Kev lag luam 2024, Hlis ntuj nqeg
Ulan-Ude Locomotive Tsheb Kho Cog: chaw nyob, ntau lawm, hom kev ua haujlwm
Kawg hloov kho: 2023-12-17 10:12
Ulan-Ude Locomotive Car Repair Plant (Zheldorremmash ceg) yog lub koom haum loj hauv Buryatia. Lub cheeb tsam tau txais kev pab los ntawm cov nroj tsuag npog ib qho kev ncua deb (los ntawm sab qaum teb mus rau Far Eastern railway), thiab cov khoom seem raug xa mus muag txawv teb chaws
Mobile feed mills: piav qhia, txheej txheem thev naus laus zis
Kawg hloov kho: 2023-12-17 10:12
Hnub no koj tuaj yeem hnov txog ntau qhov kev sib tham txog kev txhim kho txuas ntxiv siv hauv kev ua liaj ua teb, uas yog mobile feed mills. Cov hauv paus ntsiab lus ntawm cov cuab yeej, cov txiaj ntsig ntawm kev siv thiab kev txheeb xyuas cov neeg siv khoom ntawm cov cuab yeej no tuaj yeem pom hauv kab lus
Sanding ntawv: GOST, loj, cim, hom, chaw tsim tshuaj paus
Kawg hloov kho: 2023-12-17 10:12
Thaum lub sij hawm tsim kho lossis lwm yam haujlwm, qee zaum nws yuav tsum ua kom cov khoom smoother, tshem tawm tag nrho cov hooks ntawm nws, thiab lwm yam. Nws yog rau cov hom phiaj uas siv cov ntawv xuab zeb
Associated petroleum gas: muaj pes tsawg leeg. Natural thiab txuam roj av roj
Kawg hloov kho: 2023-12-17 10:12
Roj thiab roj yog cov khoom siv tseem ceeb tshaj plaws hauv ntiaj teb. Associated petroleum gas occupies ib qho chaw tshwj xeeb hauv kev lag luam roj thiab roj. Cov peev txheej no yeej tsis tau siv ua ntej. Tab sis tam sim no tus cwj pwm ntawm qhov muaj txiaj ntsig zoo li no tau hloov pauv
Phom phom pneumatic: txheej txheem cej luam thiab kev qhia tshwj xeeb
Kawg hloov kho: 2023-12-17 10:12
Riam phom pneumatic feem ntau cuam tshuam nrog rab yaj phom thiab phom ntev. Tsawg tus neeg paub, tab sis kuj muaj cov phom tua roj. Niaj hnub no peb yuav tham txog hom riam phom tshwj xeeb no, uas yog tus qauv W alther SG9000 los ntawm lub tuam txhab riam phom uas paub zoo Umarex. Qhov no yog rau qee yam khoom tshwj xeeb, vim tias nws tsuas yog ib qho ntawm nws hom
Kev ua siab ntev thiab haum hauv kev tsim kho tshuab
Kawg hloov kho: 2024-01-02 13:01
Metrology yog kev tshawb fawb ntawm kev ntsuas, txhais tau tias thiab cov txheej txheem ntawm kev ua kom lawv kev sib koom siab, nrog rau txoj hauv kev kom ua tiav qhov tseeb. Nws cov ntsiab lus yog xaiv cov ntaub ntawv ntau txog cov khoom tsis muaj kev ntseeg siab thiab raug. Cov txheej txheem tswj hwm rau metrology yog cov qauv. Nyob rau hauv tsab xov xwm no, peb yuav xav txog cov txheej txheem ntawm kev zam thiab kev tsaws, uas yog ib feem ntawm qhov kev tshawb fawb no
Platinum pab pawg hlau: txheej txheem cej luam, npe, khoom thiab daim ntawv thov
Kawg hloov kho: 2024-01-02 13:01
Platinum pab pawg hlau yog rau cov tshuaj muaj txiaj ntsig zoo uas nyob ib sab ntawm lub rooj zaum. Tag nrho cov ntawm lawv yog cov hlau hloov pauv ntawm 8-10 pawg ntawm 5-6 lub sijhawm
Cov qauv kos duab: hom, kev faib tawm, kev tsim kho, tu, ua haujlwm thiab kho
Kawg hloov kho: 2023-12-17 10:12
Lub tswv yim ntawm "cov khoom siv dag zog" yog siv los ua lub npe generic rau ntau yam khoom uas tau tsim los ntawm kev sib tshuam ntawm txoj kev nrog dej, kwj deg, lwm yam kev thauj mus los, yaj thiab dej nag ntws, qhov tob tob, hauv nroog, roob. thaj tsam. Qhov no yog dab tsi?
ACS yog dab tsi? Self-propelled artillery installation: kev faib, hom phiaj
Kawg hloov kho: 2023-12-17 10:12
Tus kheej-propelled artillery mounts (ACS) yog artillery pieces mounted rau tus kheej-propelled chassis. Niaj hnub no peb yuav kawm paub ntau ntxiv txog cov phom tus kheej yog dab tsi thiab vim li cas lawv thiaj li xav tau
Daim ntawv pov thawj yeem. Voluntary certification system
Kawg hloov kho: 2023-12-17 10:12
Nyob rau hauv kev lag luam niaj hnub no, kev sib raug zoo ntawm cov neeg tsim khoom thiab cov neeg siv khoom tau mus txog qib tshiab. Kev nplua nuj ntau ntawm cov khoom sib txawv ua rau tus neeg yuav khoom xav thiab ua tib zoo ntsuas txhua yam txhawm rau xaiv cov khoom zoo. Nyob rau hauv cov ntaub ntawv no, kev pom zoo los ntawm ib tug thib peb tus neeg sab nrauv ntawm kev ua raws ntawm cov khoom mus rau lub declared yuav tsum tau. Muab qhov yuav tsum tau ua thiab daim ntawv pov thawj yeem
Mineral enrichment: cov txheej txheem yooj yim, thev naus laus zis thiab khoom siv
Kawg hloov kho: 2023-12-17 10:12
Cov kab lus no mob siab rau kev siv thev naus laus zis ntawm kev ua ntxhia. Cov theem thiab cov txheej txheem rau kev ua tau zoo li no tau piav qhia
Txhim kho 12. Lub tsev txhawb nqa: ntau lawm, hnyav, nqi
Kawg hloov kho: 2023-12-17 10:12
12 hli rebar yog ib qho ntawm cov xav tau tshaj plaws ntawm cov hlau dov hnub no. Lawv siv nws los txhim kho qhov zoo ntawm cov pob zeb hauv paus, nteg phab ntsa, ntxiv dag zog rau hauv pem teb, thiab lwm yam. Muaj ntau hom kev txhawb nqa, uas txawv ntawm txoj kev tsim khoom, qib steel siv, hom nto, thiab lwm yam
Riam phom Psychotronic. Txwv tsis pub riam phom
Kawg hloov kho: 2023-12-17 10:12
Riam phom Psychotronic raug txiav txim siab txwv thoob ntiaj teb. Nws yog riam phom ntawm kev puas tsuaj loj uas ua rau lub siab ntawm tus neeg lossis tsiaj
Kev tua nyuj ntawm cov nqaij ua cov nroj tsuag: cov cai, thev naus laus zis, txoj hauv kev thiab txoj hauv kev
Kawg hloov kho: 2023-12-17 10:12
Muab cov khoom siv pob tawb nrog cov khoom siv nqaij ncaj qha nyob ntawm kev tua tsiaj thiab ua cov nyuj. Cov nqaij nyuj thiab nqaij nyug qab yog qhov zoo ntawm cov tsiaj nyeg yug tsiaj uas paub yuav ua li cas tua nyuj thiab nyuj. Muaj ntau yam thev naus laus zis, cov txheej txheem thiab cov txheej txheem rau kev tua nyuj, uas ua rau kom tau txais cov khoom noj nqaij zoo
Kev lag luam hauv Suav teb. Kev lag luam thiab kev ua liaj ua teb hauv Suav teb
Kawg hloov kho: 2023-12-17 10:12
Tuam Tshoj txoj kev lag luam pib loj hlob sai hauv xyoo 1978. Nws yog thaum ntawd tsoomfwv tau pib ua kom muaj kev hloov pauv nyiaj txiag ywj pheej. Yog li ntawd, nyob rau hauv peb lub sij hawm lub teb chaws yog ib tug ntawm cov thawj coj nyob rau hauv zus tau tej cov yuav luag txhua pawg ntawm cov khoom nyob rau hauv lub ntiaj teb no
Non-ferrous hlau: nta thiab thaj chaw siv. Tsis-ferrous hlau ua
Kawg hloov kho: 2023-12-17 10:12
Non-ferrous hlau thiab lawv cov alloys tau siv dav hauv kev lag luam. Lawv yog siv los ua cov tshuab, cov cuab yeej ua haujlwm, cov khoom siv thiab cov khoom siv. Lawv siv txawm nyob rau hauv kos duab, piv txwv li, rau kev tsim kho ntawm monuments thiab sculptures. Dab tsi yog cov hlau tsis-ferrous? Lawv muaj dab tsi? Cia peb kawm paub
USSR tso tsheb hlau luam - qhov muaj txiaj ntsig zoo thiab muaj txiaj ntsig zoo tshaj
Kawg hloov kho: 2023-12-17 10:12
Thaum kawg ntawm peb caug xyoo, cov tso tsheb hlau luam ntawm lub USSR muaj tag nrho cov cim ntawm cov niaj hnub armored tsheb ntawm lub lig nees nkaum thiab thaum ntxov xyoo pua. Cov no suav nrog cov hauv qab no: rab phom ntev ntev, lub cav diesel, cov phom phom muaj zog ua tsis muaj rivets, thiab kev sib kis tom qab
Lub iav log yog ib qho tseem ceeb ntawm lub tshuab
Kawg hloov kho: 2023-12-17 10:12
Ib qho ntawm feem ntau thiab muaj txiaj ntsig txoj hauv kev xa tawm thiab hloov pauv kev txav yog tseem yog iav lossis iav iav, lub ntsiab tseem ceeb uas yog iav
Aviation niaj hnub. Niaj hnub nimno tub rog aircraft - PAK-FA, MiG-29
Kawg hloov kho: 2023-12-17 10:12
Hnub no, lub luag haujlwm ntawm aviation hauv kev ua tub rog tsis sib haum xeeb yog qhov nyuaj rau overestimate. Niaj hnub aviation yog lub kaus mom ntawm kev tshawb fawb thiab thev naus laus zis. Niaj hnub no peb yuav pom tias qhov kev cia siab no ntawm cov tub rog kev lag luam muaj dab tsi thiab cov qauv dav hlau twg suav tias yog qhov zoo tshaj plaws hauv ntiaj teb
Thawj lub nkoj hauv ntiaj teb: keeb kwm, kev piav qhia thiab qhov tseeb nthuav
Kawg hloov kho: 2023-12-17 10:12
Thawj lub nkoj hauv ntiaj teb: kev tsim, nta, kev ua haujlwm. Thawj cov neeg nrog caij steamship: piav qhia, keeb kwm ntawm creation, nthuav tseeb, duab
Potassium ntsev - chiv pub los ntawm xwm
Kawg hloov kho: 2023-12-17 10:12
Hnub no, tag nrho cov pob zeb hauv av chiv tau siv dav hauv kev ua liaj ua teb, uas tau koom ua ke los ntawm cov hauv paus - potassium ntsev. Tsis tas li ntawd, cov tshuaj no yog siv ntau heev hauv lwm cov kev lag luam
Anti-tank mine: specifications. Hom thiab npe ntawm cov mines anti-tank
Kawg hloov kho: 2023-12-17 10:12
Anti-tank mine, raws li nws lub npe qhia, yog siv los rhuav tshem cov tsheb armored. Cov hauj lwm uas cov sappers teem thaum txhim kho nws yog tsawg kawg kom puas lub chassis ntawm lub tank
V-siv kis tau tus mob: xam, daim ntawv thov. V-siv
Kawg hloov kho: 2023-12-17 10:12
Hnub no, tib neeg siv ntau yam txheej txheem hauv ntau qhov chaw ntawm nws txoj haujlwm. Ib qho ntawm cov tshuab nrov yog V-siv kis tau tus mob. Qhov no mechanism yog dab tsi, nrog rau nws cov yam ntxwv, yuav tau tham nyob rau hauv tsab xov xwm
Detachable txuas: yees duab, kos duab, piv txwv, installation. Hom detachable thiab mus tas li kev sib txuas
Kawg hloov kho: 2023-12-17 10:12
In mechanical engineering thiab instrumentation, tsis yog tsuas yog cov khoom siv hauv kev tsim khoom, tab sis kuj lawv cov kev sib txuas ua lub luag haujlwm tseem ceeb heev. Nws yuav zoo li tias txhua yam yuav tsum yooj yim heev, tab sis qhov tseeb, yog tias koj delve rau hauv cov ncauj lus no, koj yuav pom tias muaj ntau ntau cov sib txawv, txhua tus muaj nws qhov zoo thiab qhov tsis zoo
Merkava lub ntsiab sib ntaus sib tua tank (Israel): specifications, armament
Kawg hloov kho: 2023-12-17 10:12
Merkava yog lub tank uas tau tsim tshwj xeeb rau cov tub rog Israeli. Thawj tus qauv ntawm lub tsheb dov tawm ntawm cov kab sib dhos hauv xyoo 1979. Txij thaum ntawd los, plaub tiam ntawm lub tank tau tsim, qhov kawg ntawm cov khoom tseem niaj hnub no. Los ntawm tsab xov xwm no koj yuav tau paub txog cov yam ntxwv ntawm lub tank Merkava thiab nws qhov sib txawv ntawm cov neeg sib tw
Rubber shock absorber: siv ntau yam khoom
Kawg hloov kho: 2023-12-17 10:12
Tam sim no, tib neeg siv ntau yam khoom siv, suav nrog ntau yam. Cov ntsiab lus nrov nrov niaj hnub no yog roj hmab shock absorber. Nws yog siv nyob rau hauv ntau yam khoom siv
Niobium ntawv ci: ntau lawm thiab daim ntawv thov
Kawg hloov kho: 2023-12-17 10:12
Tsis yog tag nrho cov ntsiab lus ntawm lub sijhawm teem sijhawm tau txais lawv lub hlwb tam sim tom qab qhib. Piv txwv li, niobium. Nws tau pom nyob rau hauv 1800, tab sis pom tau tias tom qab 150 xyoo. Hauv kev lag luam, niobium ntawv ci tau nyob hauv ib qho niche thiab ntxiv dag zog rau nws tus kheej hauv nws, vim nws muaj txiaj ntsig zoo. Nws lub peev xwm tau tshwm sim thaum siv los ua cov khoom siv raw rau kev tsim cov alloys, kev daws teeb meem thiab cov tshuaj tov tshuaj
Tsim thiab teeb tsa cov qauv hlau. Ntau lawm nta
Kawg hloov kho: 2023-12-17 10:12
Prefabricated lub tsev yog qhov kev xaiv zoo tshaj plaws rau ntau lub lag luam, uas yog vim li cas cov neeg siv khoom niaj hnub no feem ntau nyiam cov qauv hlau. Kev tsim khoom, kev tsim khoom thiab kev teeb tsa yuav raug ua los ntawm cov koom haum tsim kho tshwj xeeb uas lav kev tsim kho zoo ntawm txhua yam khoom siv
Chaw nres tsheb ciav hlau. RZD: map. Railway chaw nres tsheb thiab nodes
Kawg hloov kho: 2023-12-17 10:12
Cov chaw nres tsheb ciav hlau thiab cov kev sib tshuam yog cov chaw siv tshuab. Cov ntsiab lus no tsim ib qho kev sib txuas ib leeg. Tom qab ntawv hauv tsab xov xwm peb yuav xav txog cov ntsiab lus no kom ntxaws ntxiv
Ntawm whaling: piav qhia, keeb kwm thiab kev nyab xeeb
Kawg hloov kho: 2023-12-17 10:12
Kev lag luam whaling pib nyob rau xyoo pua 12th, hloov pauv loj heev nyob rau xyoo pua 19th, thiab tsis tau hloov ntau npaum li cas txij thaum ntawd los. Technology tau dhau los ua niaj hnub, cov khoom ntim tau loj hlob thiab tom qab ntawd poob, lawv thawj zaug kawm siv cov carcasses ntawm cov tsiaj loj yuav luag tag nrho, tom qab ntawd lawv tau hloov ntau yam khoom siv hluavtaws, tab sis txawm tias niaj hnub no whalers mus yos hav zoov ntawm cov nkoj uas siv tau siv lub harpoon thiab cannon
Sapphire Crystal yog dab tsi? Properties, kev sib piv thiab kev siv
Kawg hloov kho: 2023-12-17 10:12
Txoj kev kom tau txais iav zoo tib yam tau paub ntev. Cov thev naus laus zis tseem tsis tau hloov pauv txawm nyob hauv lub ntiaj teb niaj hnub no. Yog li dab tsi yog sapphire siv lead ua?
Cov kev sim yooj yim rau asph alt pob zeb
Kawg hloov kho: 2023-12-17 10:12
Qhov teeb meem ntawm txoj kev zoo ntawm txoj kev hauv peb lub tebchaws yog qhov mob hnyav heev. Yog li ntawd, nws yog ib qho tseem ceeb heev thaum lees txais kev ua haujlwm ntawm kev tsim kho cov kev pab cuam kom ua tau zoo thiab raug kev sim ntawm cov pob zeb ntxiv. Thiab raws li cov txiaj ntsig ntawm cov haujlwm no, kev txiav txim siab yuav tsum tau ua los ntawm kev ua haujlwm ntawm kev thauj mus los hauv kev tsim kho vaj tse. Hauv tsab xov xwm no, peb tsuas yog tham txog cov yam ntxwv thiab cov cai (GOST) ntawm kev sim asph alt pob zeb
Cov cim qhia thiab tsis lees paub tus nqi ntawm cov hlua hlau
Kawg hloov kho: 2023-12-17 10:12
Cov qauv tsis lees txais txoj hlua hlau feem ntau ua txhaum los ntawm cov neeg ua haujlwm. Thiab qhov no ua rau muaj qhov tshwm sim tsis zoo. Yog li, piv txwv li, kev ua haujlwm ntawm cov hlua khi hnyav tuaj yeem ua rau muaj kev sib tsoo thiab raug mob (thiab tej zaum yuav tuag) rau tib neeg. Ntawm qhov tod tes, yog tias tus nqi ntawm cov cim qhia ntawm kev tsis lees txais cov hlua hlau tau nthuav dav heev, ces qhov no yuav ua rau cov nuj nqis tsis tsim nyog rau kev lag luam. Kab lus no yuav muaj txiaj ntsig zoo rau cov engineers thiab cov neeg ua haujlwm uas cuam tshuam nrog cables
Tseeb thiab lwm txoj hauv kev los tsim hluav taws xob
Kawg hloov kho: 2023-12-17 10:12
Tam sim no, tib neeg siv txhua txoj hauv kev los tsim hluav taws xob. Nws yog ib qho nyuaj rau overestimate qhov tseem ceeb ntawm cov peev txheej no. Ntxiv mus, kev siv hluav taws xob tau loj hlob txhua hnub. Vim li no, ntau thiab ntau cov xim yog them rau cov txheej txheem uas tsis yog ib txwm ua los ntawm kev tsim hluav taws xob. Nyob rau tib lub sijhawm, cov peev txheej no nyob rau theem ntawm txoj kev loj hlob no tsis tuaj yeem ua tiav cov kev xav tau ntawm cov neeg hauv ntiaj teb. Kab lus no luv luv tham txog cov kev cai tseem ceeb thiab lwm txoj hauv kev tau txais hluav taws xob
Gaseous roj: piav qhia, yam ntxwv, ntau lawm txoj kev, daim ntawv thov
Kawg hloov kho: 2024-01-02 13:01
Roj roj tau paub txij li nruab nrab xyoo pua 19th. Nws yog thaum ntawd tus kws ua choj nto moo Lenoir ua nws thawj lub tshuab hluav taws xob hauv combustion. Cov cuab yeej no yog qhov qub thiab ua haujlwm yam tsis muaj kev sib xyaw ua ntej ntawm lub combustion chamber. Cov tshuab niaj hnub no tsis sib xws rau nws. Niaj hnub no, kev siv roj av tsis txwv rau tsheb. Qhov no ib puag ncig tus phooj ywg, pheej yig thiab pheej yig hom roj yog nquag kov yeej ntau thiab ntau dua tshiab niches
Oxyfuel txiav ntawm hlau: thev naus laus zis, khoom siv tsim nyog, kev ceev faj txog kev nyab xeeb
Kawg hloov kho: 2023-12-17 10:12
Oxy-roj txiav ntawm cov hlau (hauv cov ntaub ntawv koj tuaj yeem nrhiav tau lub sij hawm "oxy-fuel cutting") yog nquag siv hauv kev lag luam rau kev txiav cov ntaub ntawv los ntawm cov hlau thiab lwm yam alloys rau hauv workpieces ntawm qhov xav tau ntev. Tsab ntawv xov xwm muaj cov ntaub ntawv hais txog kev siv tshuab nws tus kheej, hais txog cov cuab yeej tsim nyog thiab kev ceev faj txog kev nyab xeeb rau oxygen txiav cov hlau thiab lwm yam ntaub ntawv
Txoj cai rau kev ua haujlwm ntawm cov tso tsheb hlau luam: cov cai thiab cov cai
Kawg hloov kho: 2023-12-17 10:12
Kab lus no piav qhia txog cov kev cai yooj yim, cov qauv thiab cov cai rau kev ua haujlwm ntawm cov tso tsheb hlau luam npaj rau kev khaws cov roj thiab cov khoom siv roj. Tsis tas li ntawd, cov kev cai tseem ceeb tau muab los ntawm kev siv ntau txoj hauv kev uas tsis muaj kev puas tsuaj rau kev saib xyuas cov xwm txheej ntawm cov tso tsheb hlau luam, kev tiv thaiv cov qauv ua los ntawm cov hlau tshwj xeeb los ntawm kev xeb thiab kev puas tsuaj ntawm ib puag ncig, txo cov roj poob thaum siv thev naus laus zis. kev ua haujlwm, thiab kev tiv thaiv cov roj nchuav
Electroerosive tshuab: Scope thiab txoj cai ntawm kev ua haujlwm
Kawg hloov kho: 2023-12-17 10:12
Yog tias ua ntej lub tshuab EDM yog qhov tsis tshua muaj, niaj hnub no cov khoom siv tsis yog qhov xav tsis thoob. Electroerosion yog to taub raws li kev puas tsuaj ntawm interatomic rog ntawm kev sib cuam tshuam nyob rau hauv cov hlau nyob rau hauv lub zog ntawm ib tug nqi hluav taws xob. Lub tshuab electroerosive tshuav nws cov tsos rau kev txhim kho ntawm Soviet kws tshawb fawb B.R. Lazarenko thiab N. I. Lazarenko. Xws li cov cuab yeej yog universal. Nws tso cai rau koj los ua cov txheej txheem thiab tsim txhua qib ntawm cov hlau thiab alloys
Chaw nres nkoj ntawm Antwerp - qhov chaw thauj khoom tshwj xeeb
Kawg hloov kho: 2023-12-17 10:12
Qhov chaw nres nkoj ntawm Antwerp impresses nrog nws cov nplai. Nws yog qhov chaw nres nkoj loj thib ob hauv Tebchaws Europe. Thawj qhov chaw rau Rotterdam. Txhawm rau moor ntawm nws cov berths, cov nkoj loj loj hauv hiav txwv tau yuam kom npog qhov deb ntawm 90 kilometers tiv thaiv qhov ntws ntawm Scheldt River, uas ntws mus rau Hiav Txwv North
Electrified railway yog dab tsi
Kawg hloov kho: 2023-12-17 10:12
Kev nce hauv ntim ntawm cov khoom thauj thiab kev siv tsheb ciav hlau ntawm cov kev thauj tseem ceeb tau ua rau muaj kev tsim hluav taws xob railways. Cov khoom zoo li no nyuaj heev rau kev siv thev naus laus zis. Tsis zoo li thawj electrified railways, niaj hnub txoj kev loj yog cov infrastructure chaw uas complex los ntawm ib tug engineering point ntawm view thiab ua ib tug xov tooj ntawm cov dej num uas tseem ceeb rau cov pej xeem thiab kev khwv nyiaj txiag ntawm lub xeev
Porcelain pobzeb los ntawm Tuam Tshoj: nta, hom thiab tshuaj xyuas
Kawg hloov kho: 2023-12-17 10:12
Nyob rau xyoo tas los no, porcelain stoneware tau nrov zuj zus ntawm cov neeg ua tiav thiab cov tswv cuab. Tuam Tshoj yog ib qho ntawm cov thawj coj hauv kev tsim cov khoom siv hauv tsev ntau yam. Thiab yog tias ua ntej txhua yam uas tau tsim nyob rau hauv Suav teb tau suav tias yog cov khoom siv tsis zoo, tam sim no cov ntawv sau "Ua hauv Tuam Tshoj" tsis muaj lub tswb nrov rau cov neeg yuav khoom. Ntau qhov tseeb thiab zoo tshuaj xyuas ntawm cov tsim thiab cov neeg siv khoom yog pov thawj ntawm qhov no
Kub ua haujlwm thiab kub ua haujlwm yog cov yam ntxwv tseem ceeb ntawm cov hlau
Kawg hloov kho: 2023-12-17 10:12
Cov qauv hlau zoo ib yam, thaum rhuab, hloov pauv sai sai rau lawv cov khoom siv kho tshuab thiab lub cev, pib ua haujlwm oxidize thiab daim ntawv teev, uas yog qhov tsis txaus ntseeg thiab tsim kev hem thawj ntawm kev ua tsis tiav ntawm tag nrho cov rooj sib txoos, thiab tej zaum yuav muaj xwm txheej loj. Txhawm rau ua haujlwm ntawm qhov kub siab, cov khoom siv engineers, nrog kev pab los ntawm metallurgists, tsim ib tug xov tooj ntawm tshwj xeeb steels thiab alloys. Kab lus no qhia luv luv txog lawv
Yuav ua li cas xaiv cov hniav hlau rau miter saw
Kawg hloov kho: 2023-12-17 10:12
Cov cuab yeej zoo li no tau tshwm sim hauv khw tsis ntev los no. Hlau txiav hniav rau miter saw? Rau ntau tus neeg siv khoom, txawm tias muaj kev paub dhau los, qhov no ua rau luag nyav thiab tsis ntseeg. Tsis ntev dhau los, steel succumbed tsuas yog rau nplaim taws txiav, lub voj voog grinder thiab hacksaw. Ntawm cov tshuab txiav ntoo, tsuas yog cov ntaub ntawv ntoo thiab yas tuaj yeem ua tiav. Txawm li cas los xij, lub sijhawm tsis nyob twj ywm. Cov ntaub ntawv engineers nyob rau hauv tandem nrog toolmakers yog tas li ua hauj lwm nyob rau hauv lub synthesis ntawm tshiab alloys
Txoj cai rau kev sib tham thaum lub sijhawm ua haujlwm shunting. Cov lus qhia rau kev txav ntawm cov tsheb ciav hlau thiab kev ua haujlwm shunting
Kawg hloov kho: 2023-12-17 10:12
Txoj cai tam sim no ntawm kev sib tham thaum lub sijhawm ua haujlwm shunting hloov cov kev cai dhau los (ntawm 1999) thiab tau muab tso rau hauv kev txiav txim los ntawm Minister of Railways ntawm lub Cuaj Hli 26, 2003 Morozov
PVC daim kab xev: yam ntxwv
Kawg hloov kho: 2023-12-17 10:12
PVC insulating daim kab xev tau pom daim ntawv thov dav hauv ntau qhov chaw - los ntawm kev ua haujlwm hauv tsev mus rau cov roj thiab cov kav dej rwb thaiv tsev
Dewar nkoj: txij xyoo pua 19 txog rau tam sim no
Kawg hloov kho: 2023-12-17 10:12
James Dewar (1842-1923) yog Scottish physicist thiab chemist nyob hauv London. Thaum lub sij hawm nws lub neej, nws tau tswj kom yeej ntau yam khoom plig thiab medals, ua ib tug zoo kawg li kev tshawb pom, ntau yam uas ua lub luag hauj lwm tseem ceeb nyob rau hauv txoj kev loj hlob ntawm lub caij nyoog sciences. Ntawm nws cov kev ua tiav hauv physics, qhov tseem ceeb yog nws txoj kev koom tes rau kev kawm txog kev txuag kub nrog kev pab los ntawm cov cuab yeej uas nws tsim, uas yog hu ua "Dewar nkoj"
Khoom noj khoom haus silicone: muaj pes tsawg leeg, daim ntawv thov
Kawg hloov kho: 2024-01-07 20:01
Khoom noj khoom haus qib silicone feem ntau yog siv rau ci pwm. Tsis tas li ntawd, cov tais diav thiab ntau yam khoom siv hauv chav ua noj yog tsim los ntawm nws. Qhov zoo ntawm cov khoom no suav nrog, ua ntej ntawm tag nrho cov, zoo heev uas tsis yog-stick zog thiab hypoallergenicity
Tshuab engraving. CNC Router
Kawg hloov kho: 2023-12-17 10:12
CNC tshuab tau maj mam nkag mus rau txhua qhov chaw ntawm lub neej. Tsis muaj kev tsim khoom ua tiav yam tsis muaj qhov chaw ua haujlwm automated. Engraving yog tsis muaj kev zam. Ua tsaug rau qhov tseeb txav ntawm lub cuab yeej, cov duab kos tau txais uas xav tsis thoob nrog lawv qhov tshwj xeeb
Magnesium alloys: daim ntawv thov, kev faib tawm thiab cov khoom
Kawg hloov kho: 2023-12-17 10:12
Magnesium alloys muaj ntau lub cev thiab tshuaj lom neeg tshwj xeeb, lub ntsiab ntawm cov uas tsis tshua muaj zog thiab siab zog. Kev sib xyaw ua ke ntawm cov khoom zoo hauv cov ntaub ntawv nrog kev sib ntxiv ntawm magnesium ua rau nws muaj peev xwm tsim cov khoom thiab cov qauv nrog cov yam ntxwv siab zog thiab qhov hnyav
Corrosion ntawm aluminium thiab nws cov alloys. Cov txheej txheem rau kev sib ntaus sib tua thiab tiv thaiv aluminium los ntawm corrosion
Kawg hloov kho: 2024-01-02 13:01
Txhuas, tsis zoo li hlau thiab hlau, yog qhov tiv taus corrosion heev. Cov hlau no tiv thaiv los ntawm xeb los ntawm cov yeeb yaj kiab oxide tuab uas tsim los ntawm nws qhov chaw. Txawm li cas los xij, nyob rau hauv cov ntaub ntawv ntawm kev puas tsuaj ntawm lub tom kawg, cov tshuaj lom neeg kev ua si ntawm txhuas zoo heev nce
Pitting corrosion: ua rau. Txoj kev tiv thaiv cov hlau los ntawm corrosion
Kawg hloov kho: 2023-12-17 10:12
Thaum lub sijhawm ua haujlwm ntawm cov khoom siv hlau, lawv raug rau ntau hom kev puas tsuaj, ntawm cov pitting corrosion sawv tawm raws li qhov txaus ntshai tshaj plaws thiab tsis muaj kev cia siab
Tshav kub-resistant alloys. Tshwj xeeb steels thiab alloys. Kev tsim khoom thiab siv cov khoom siv hluav taws xob kub-resistant
Kawg hloov kho: 2023-12-17 10:12
Kev lag luam niaj hnub tsis tuaj yeem xav txog yam tsis muaj cov khoom siv hlau. Peb ntsib nws ntawm yuav luag txhua qhov tig. Los ntawm kev qhia ntau yam tshuaj nyob rau hauv nws cov muaj pes tsawg leeg, nws muaj peev xwm txhim kho cov khoom siv kho tshuab thiab kev ua haujlwm zoo
Tsawg carbon steel: muaj pes tsawg leeg thiab cov khoom
Kawg hloov kho: 2023-12-17 10:12
Cov pa roj carbon tsawg yog ubiquitous. Nws cov koob meej yog raws li lub cev, tshuaj lom neeg thiab tus nqi qis. Cov alloy no tau siv dav hauv kev lag luam thiab kev tsim kho. Cia peb saib ze dua ntawm hom hlau no
Steel 3: GOST, ligature thiab yam ntxwv
Kawg hloov kho: 2023-12-17 10:12
Nyob hauv kev lag luam niaj hnub no, ob peb qib steel yuav nrov li steel 3. Txawm hais tias nws tsis muaj cov khoom tshwj xeeb, txawm li cas los xij, nws tseem siv thoob ntiaj teb siv ntau ntau hauv txhua lub lag luam, txawm tias ib feem cuam tshuam nrog kev siv hlau thiab dov. cov khoom. Yog li dab tsi yog qhov deal?
Cia peb tham txog cov qauv hlau
Kawg hloov kho: 2023-12-17 10:12
Cov qauv hlau yog ib hom hlau uas muaj dav heev niaj hnub no. Nws yog siv nyob rau hauv ntau lub lag luam
Novoshakhtinsky Refinery: keeb kwm, khoom, ntau lawm
Kawg hloov kho: 2023-12-17 10:12
Novoshakhtinsk Refinery yog lub chaw tsim khoom roj hauv thaj av Rostov, nyob rau sab hnub poob ntawm lub nroog Novoshakhtinsk. Lub tuam txhab hluas, nrhiav tau nyob rau hauv 2005, belongs rau cov chav kawm ntawm mini-refineries. Cov npe ntawm cov khoom muaj xws li marine, diesel thiab cua sov roj, roj roj, roj av
Qhov chaw nres tsheb compressor yog dab tsi? Hom chaw nres tsheb compressor. Kev ua haujlwm ntawm cov chaw nres tsheb compressor
Kawg hloov kho: 2023-12-17 10:12
Cov kab lus no mob siab rau cov chaw nres tsheb compressor. Hauv particular, cov khoom siv xws li cov khoom siv, kev siv thiab cov yam ntxwv ntawm kev ua haujlwm raug txiav txim siab
Gas production. Gas txoj kev tsim khoom. Gas ntau lawm nyob rau hauv Russia
Kawg hloov kho: 2023-12-17 10:12
Natural gas yog tsim los ntawm kev sib xyaw ntau yam roj hauv lub ntiaj teb pob zeb. Feem ntau, qhov tob ntawm qhov tshwm sim yog los ntawm ob peb puas meters mus rau ob peb kilometers. Nws yog tsim nyog sau cia tias cov roj tuaj yeem tsim ntawm qhov kub thiab txias. Hauv qhov no, tsis muaj oxygen nkag mus rau qhov chaw. Txog rau tam sim no, kev tsim roj tau siv ntau txoj hauv kev, txhua qhov peb yuav xav txog hauv kab lus no. Tab sis cia peb tham txog txhua yam nyob rau hauv kev txiav txim
Caij nplooj ntoos hlav steels: yam ntxwv, khoom, qib, GOST. Spring steel khoom
Kawg hloov kho: 2023-12-17 10:12
Tam sim no, ntau yam khoom siv sib txawv khiav ntawm cov nplooj hlav, nplooj hlav, thiab lwm yam. Cov khoom no raug rau cov kev xav tau siab. Caij nplooj ntoos hlav steels yog cov khoom tsim nyog rau lawv siv
Goryunov tshuab rab phom: specifications thiab duab
Kawg hloov kho: 2023-12-17 10:12
7.62-mm tshuab rab phom Goryunov (SG-43) yog Soviet tsis siv neeg riam phom me me qauv xyoo 1943. Mounted ntawm lub cav log, tig thiab armored tsheb
Cov phom loj-caliber ntawm Russia thiab ntiaj teb. Kev sib piv ntawm cov phom tshuab hnyav
Kawg hloov kho: 2024-01-17 18:01
Txawm tias thaum Tsov Rog Thoob Ntiaj Teb thib 1, ib qho riam phom tshiab thiab txaus ntshai tshwm sim hauv kev sib ntaus sib tua. Loj-caliber tshuab phom. Nyob rau xyoo ntawd, tsis muaj cov cuab yeej cuab tam uas tuaj yeem tiv thaiv lawv, thiab cov chaw nyob uas ib txwm siv los ntawm cov tub rog (ua los ntawm lub ntiaj teb thiab ntoo) feem ntau ua rau lawv txoj kev nrog cov mos txwv hnyav
Asph alt qhob pavement: thev naus laus zis thiab cov lus qhia
Kawg hloov kho: 2023-12-17 10:12
Txoj kev, ua los ntawm asph alt pob zeb sib tov, suav hais tias yog ib qho ntawm cov txiaj ntsig zoo tshaj plaws. Nws yog cov tswv yim, pheej yig thiab feem ntau tso cai rau koj los muab cov yam ntxwv tsim nyog rau kev ua haujlwm
Polyester fibers. Polyester fiber ntau lawm
Kawg hloov kho: 2023-12-17 10:12
Polyester fibers. Txoj kev tsim khoom, tsim cov fibers thiab fabrics, thaj chaw ntawm kev siv cov khoom. Chemical lub hauv paus, cov khoom thiab cov yam ntxwv technical. Kev tshuaj xyuas cov khoom polyester
Crushed pob zeb: hom, yam ntxwv, daim ntawv thov thiab tshuaj xyuas
Kawg hloov kho: 2023-12-17 10:12
Crushed pob zeb, hom uas yuav piav qhia hauv qab no, yog cov khoom siv hauv tsev uas tau txais los ntawm kev sib tsoo thawj zaug thiab tom qab sifting ntawm pob zeb
Tig ntau qhov chaw
Kawg hloov kho: 2023-12-17 10:12
Tig hnub no tso cai rau koj ua ntau yam khoom. Qhov kev tsim khoom no siv ob qho tib si ntoo thiab hlau
Stainless hlau ua: cov txheej txheem nrov, txoj hauv kev thiab cov lus pom zoo
Kawg hloov kho: 2023-12-17 10:12
Hnub no, tib neeg siv ntau yam khoom. Ib qho ntawm feem ntau yog stainless hlau. Cov khoom siv yog cov yam ntxwv ntawm kev ua haujlwm siab, thiab yog li ntawd tau dhau los ua neeg nyiam. Tsis tas li ntawd, kev ua haujlwm ntawm cov hlau tsis muaj steel kuj pab ua kom cov hlau zoo li qub
Corrosion inhibitors. Txoj kev tiv thaiv corrosion
Kawg hloov kho: 2023-12-17 10:12
Txhua xyoo, kwv yees li ib feem peb ntawm tag nrho cov hlau uas tsim nyob rau hauv lub ntiaj teb no tau ploj vim kev txhim kho thiab tshwm sim ntawm corrosion txheej txheem. Cov nqi cuam tshuam nrog kev kho thiab hloov khoom siv thiab kev sib txuas lus ntawm kev lag luam tshuaj feem ntau yog ntau zaus ntau dua li cov nqi ntawm cov khoom siv rau lawv cov khoom siv
Slag crushed pob zeb: piav qhia, yam ntxwv, siv
Kawg hloov kho: 2023-12-17 10:12
Crushed slag yog cov khoom siv hauv tsev pheej yig heev. Raws li cov yam ntxwv, nws txawv me ntsis ntawm granite, ob qho tib si rau qhov zoo dua thiab qhov tsis zoo. Siv hauv kev tsim kho kev lag luam
Dab tsi yog crushed dolomite. Nws cov feem thiab siv
Kawg hloov kho: 2023-12-17 10:12
Crushed dolomitic pob zeb yog ntau yam khoom siv hauv tsev siv ntau yam ntawm tib neeg kev ua haujlwm. Feem ntau siv rau hauv kev tsim kho thiab kho kom zoo nkauj
Industrial robot. Robots hauv kev tsim khoom. Automata-neeg hlau
Kawg hloov kho: 2023-12-17 10:12
Cov khoom siv no tshwj xeeb tshaj yog xav tau niaj hnub no hauv kev lag luam hauv tebchaws. Ib qho kev lag luam neeg hlau uas dais me ntsis zoo li nws cov qauv hauv K. Chapek phau ntawv "Rise of the Robots" tsis pub cov tswv yim hloov pauv txhua
Air-foam fire extinguishers. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov cuab yeej thiab cov cai ntawm kev siv
Kawg hloov kho: 2023-12-17 10:12
Cua-ua npuas dej tua hluav taws thiab nws cov peev txheej, phau ntawv qhia. Qhov tsis zoo ntawm kev siv tshuaj tua hluav taws ua npuas ncauj. Kev Tiv Thaiv Kev Nyab Xeeb Thaum Siv Lub Tshuab Hluav Taws Xob Hluav Taws Xob
Diesel roj: GOST 305-82. Cov yam ntxwv ntawm cov roj diesel raws li GOST
Kawg hloov kho: 2024-01-17 18:01
GOST 305-82 yog qhov qub thiab hloov pauv, tab sis cov ntaub ntawv tshiab, uas tau pib siv thaum pib xyoo 2015, tsis tau hloov pauv cov kev cai rau cov roj diesel rau cov cav ceev ceev heev. Tej zaum muaj ib hnub xws li roj yuav raug txwv tsis pub siv tag nrho, tab sis hnub no nws tseem siv tau ob qho tib si hauv cov chaw tsim hluav taws xob thiab hauv cov tshuab hluav taws xob, cov cuab yeej siv tub rog hnyav thiab cov tsheb thauj khoom, cov nkoj uas tau khaws cia txij li hnub ntawm Soviet Union vim nws muaj ntau yam. thiab pheej yig
Cov khoom sib txhuam: xaiv, yuav tsum tau ua
Kawg hloov kho: 2023-12-17 10:12
Niaj hnub nimno mechanisms muaj cov qauv tsim, siab ceev. Yog li ntawd, lawv siv ntau yam kev sib txhuam zoo. Lawv yog dab tsi, hom twg muaj, nrog rau dab tsi yog cov yam ntxwv ntawm lawv daim ntawv thov, tau tham hauv kab lus
Dab tsi yog chav sib dhos: txhais, faib thiab hom
Kawg hloov kho: 2023-12-17 10:12
Tam sim no, cov kev lag luam tau tsim heev, thiab cov thev naus laus zis rau kev sib sau ua ke ntau yam khoom siv, tshuab, thiab lwm yam. muaj cov txheej txheem zoo. Txawm li cas los xij, lawv txhua tus muaj ob peb yam sib txawv. Ib qho ntawm cov xwm txheej no yog qhov tseeb tias kev sib dhos ntawm cov chav loj loj yog nqa los ntawm kev sib dhos ntawm cov khoom sib dhos
Reservoir chaw ua si: khoom siv, lub hauv paus ntawm kev ua haujlwm, ntim
Kawg hloov kho: 2023-12-17 10:12
Kev rho tawm cov khoom siv roj yog tsim tau zoo heev niaj hnub no. Txhawm rau tsim cov kav dej loj, muaj ntau yam yuav tsum tau ua, ntawm cov uas yog kev tsim lub tank ua liaj ua teb. Tab sis yog dab tsi? Nyob rau hauv nws tus kheej, xws li ib lub tiaj ua si yog ib pawg ntawm ob peb cais tso tsheb hlau luam siv los khaws cov roj, ua ke rau hauv ib chav tsev
Chav boiler DKVR-20-13: piav qhia, specifications, khiav hauj lwm thiab kho cov lus qhia
Kawg hloov kho: 2023-12-17 10:12
Hnub no, ntau yam khoom siv cua sov tau siv. Lub chav boiler DKVR-20-13 yog npaj rau kev khiav hauj lwm hauv cua sov thiab ntau lawm boiler tsev thiab fais fab nroj tsuag. Kev tso tawm ntawm cov cuab yeej no tau pib xyoo 1961, txawm li cas los xij, tom qab ntawd raug txiav tawm vim qee qhov xwm txheej
Detergents rau kev lag luam zaub mov: txheej txheem cej luam, piav qhia, daim ntawv thov
Kawg hloov kho: 2023-12-17 10:12
Muaj ntau lub lag luam tsim ntau yam khoom noj khoom haus. Tag nrho lawv tau koom ua ke los ntawm kev xav tau cov tshuaj detergents rau kev lag luam zaub mov. Hauv kev lag luam niaj hnub no, ntau ntau txoj kev siv los tswj kev huv
Nruam nruam ntawm cov hlau: txoj hauv kev ntawm kev ua haujlwm, cov khoom tsim nyog, qhov zoo thiab qhov tsis zoo ntawm txoj kev
Kawg hloov kho: 2023-12-17 10:12
Hnub no, ntau ntau yam khoom, qhov chaw, thiab lwm yam yog ua los ntawm cov hlau, Yog lawm, qhov no yuav tsum muaj ntau yam khoom siv. Yog li ntawd, cov nroj tsuag tau ntev tau siv txoj kev nruam nruam ntawm cov hlau, uas yog qhov tseem ceeb tshaj plaws feature - high productivity
Kev tsim cov ntsiab lus alloying hauv steel: kev faib tawm, cov khoom, cim, daim ntawv thov
Kawg hloov kho: 2023-12-17 10:12
Hnub no, ntau yam steels tau siv ntau yam kev lag luam. Ntau yam zoo, txhua yam thiab lub cev muaj zog yog ua tiav los ntawm alloying cov hlau. Lub npe ntawm alloying ntsiab nyob rau hauv steel pab txiav txim seb lub Cheebtsam tau nkag mus rau hauv lub composition, nrog rau lawv cov ntsiab lus ntau
Plastics: kev faib tawm, cov yam ntxwv tseem ceeb, kev tsim khoom thiab kev siv thev naus laus zis
Kawg hloov kho: 2023-12-17 10:12
Plastics, lossis tsuas yog cov yas, yog cov khoom sib xyaw ua ke uas ua los ntawm cov khoom ntuj lossis hluavtaws. Lub ntsiab feature ntawm xws li tshuaj yog muaj peev xwm ntawm kev hloov mus rau ib lub xeev yas nyob rau hauv tus ntawm ob yam - kub thiab siab. Tsis tas li ntawd, nws tseem yog ib qho tseem ceeb uas tom qab no qhov loj muaj peev xwm tswj tau cov duab muab rau nws
Duplex steel: piav qhia, specifications thiab nta
Kawg hloov kho: 2023-12-17 10:12
Hnub no, cov hlau duplex tau txais ntau thiab nrov dua. Yuav luag txhua lub tuam txhab uas, nyob rau hauv txoj cai, yog koom nyob rau hauv lub tsim ntawm cov khoom no yog koom nyob rau hauv zus tau tej cov hom ntawm stainless hlau. Qhov no yog vim muaj ntau yam
Hluav taws xob locomotive 2ES6: keeb kwm ntawm kev tsim, kev piav qhia nrog cov duab, cov yam ntxwv tseem ceeb, lub hauv paus ntsiab lus ntawm kev ua haujlwm, cov yam ntxwv ntawm k
Kawg hloov kho: 2024-01-02 13:01
Hnub no, kev sib txuas lus ntawm cov nroog sib txawv, kev thauj neeg caij tsheb, kev xa khoom yog nqa tawm ntau txoj hauv kev. Ib txoj hauv kev no yog txoj kev tsheb ciav hlau. Hluav taws xob locomotive 2ES6 yog ib yam ntawm cov kev thauj mus los uas tam sim no nquag siv
Steel designation: kev faib tawm, cim thiab txhais lus
Kawg hloov kho: 2023-12-17 10:12
Hnub no, muaj ntau yam ntawm cov hlau tsim. Txhua tus kws tshaj lij uas cuam tshuam nrog lawv yuav tsum paub qhov txawv ntawm lawv thiab ua kom sai txaus. Txhawm rau txiav txim siab cov tshuaj muaj pes tsawg leeg thiab cov khoom siv lub cev, cov npe steel tau tsim los uas koj yuav tsum paub
Cawv-rosin flux: cov khoom, daim ntawv thov, kev tsim tus kheej
Kawg hloov kho: 2023-12-17 10:12
Hnub no, soldering tsis yog txoj kev sib txuas ntau tshaj plaws, tab sis nws tseem siv ntau zaus. Flux ib txwm siv rau qhov haujlwm no. Nws tuaj yeem ua tsis tau tsuas yog rosin nkaus xwb, tab sis kuj yog kev daws teeb meem raws li nws. Nws yog hais txog cawv-rosin flux
Kev ntsuas hluav taws xob siab: hom, txoj hauv kev thiab cov cai rau kev coj ua
Kawg hloov kho: 2023-12-17 10:12
Hnub no, tib neeg nquag siv ntau yam khoom siv hluav taws xob, hluav taws xob cables, hluav taws xob sib txuas thiab lwm yam. Txij li thaum nyob rau hauv qee cov khoom siv hluav taws xob tuaj yeem ncav cuag qhov tseem ceeb loj uas tuaj yeem ua rau muaj kev phom sij rau tib neeg kev noj qab haus huv, yuav tsum tau saib xyuas ib ntus. Kev ntsuas hluav taws xob siab yog ib txoj hauv kev txhawm rau txhawm rau txhawm rau tiv thaiv kev puas tsuaj
Kev faib tawm ntawm cov excavators, lawv cov yam ntxwv thev naus laus zis thiab lub hom phiaj
Kawg hloov kho: 2023-12-17 10:12
Tam sim no, tib neeg siv ntau hom kev siv tshuab ntau yam. Cov cuab yeej no, xws li excavators, yog tam sim no nrov heev, raws li kev ua haujlwm hauv av tau nrawm nrawm thiab tsis yog xwb. Kev faib tawm ntawm excavators yog qhov dav heev thiab nws tsim nyog xav txog
Hnub ci vaj huam sib luag ntawm lub ru tsev: piav qhia, kev teeb tsa, txoj cai ntawm kev ua haujlwm, tshuaj xyuas
Kawg hloov kho: 2023-12-17 10:12
Txog tsis ntev los no, kev siv lub hnub ci hloov pauv rau cov khoom siv hluav taws xob ib txwm pom tau tias yog qee yam zoo heev lossis ua tau tsuas yog nyob rau hauv cov xwm txheej tshwj xeeb. Niaj hnub no, cov kev daws teeb meem zoo li no tsis zoo li tsis txaus ntseeg, tab sis cov teeb meem ntawm lawv qhov kev siv hauv kev coj ua rau cov neeg siv khoom zoo tib yam kuj tseem nyob. Los ntawm nws tus kheej, kev teeb tsa ntawm lub hnub ci vaj huam sib luag ntawm lub ru tsev yog qhov yooj yim heev thiab ua kom zoo, tab sis qhov no tsis tshem tawm cov teeb meem hauv kev teeb tsa lub lag luam ntawm cov roj teeb
Hydraulic xovxwm lub tog raj kheej yog dab tsi?
Kawg hloov kho: 2023-12-17 10:12
Cov kab lus no tau mob siab rau hydraulic lub tog raj kheej rau cov xovxwm. Cov cuab yeej ntawm cov units, cov yam ntxwv tseem ceeb, manufacturers, thiab lwm yam yog xam
Cav MeMZ 245: specifications, piav qhia
Kawg hloov kho: 2024-01-17 18:01
MeMZ 245 lub cav - piav qhia ntawm cov yam ntxwv tseem ceeb. Paub meej txog kev tu thiab kho cov haujlwm. Cov kev xaiv muaj peev xwm ua kom tiav chav tsev fais fab. Cov lus piav qhia ntxaws txog cov txheej txheem rau kev hloov cov roj cav, lub twj tso kua mis dej thiab lub sijhawm siv
Kama Automobile Plant, Naberezhnye Chelny: keeb kwm, khoom, ntsuas
Kawg hloov kho: 2023-12-17 10:12
Kama Automobile Plant yog ib lub tuam txhab tshwj xeeb tshaj plaws hauv ntiaj teb thiab Russia. Pab pawg KamAZ suav nrog ntau lub tuam txhab lag luam hauv Lavxias thiab txawv teb chaws. Cov nroj tsuag cov khoom raug xa tawm mus rau 80 lub teb chaws ntawm lub ntiaj teb
Cov khoom siv pabcuam: hom, kev ua haujlwm, suav
Kawg hloov kho: 2023-12-17 10:12
Cov khoom siv pabcuam tuaj yeem siv tau rau ntau qhov chaw ntawm kev lag luam hauv tebchaws, hauv lub neej txhua hnub, txhawm rau txhim kho kev ua haujlwm ntawm ntau yam ntawm cov txheej txheem. Thaum lub sij hawm tsim kho, piv txwv li, cov thoob rau pob zeb lossis cov log tsheb tuaj yeem siv tau, ntau yam ntsuas thiab cov ntxaij lim dej yog siv hauv chav boiler, thiab lwm yam
Kev faib tawm ntawm kev tsim khoom thiab kev siv pov tseg. Kev faib cov khoom pov tseg los ntawm chav kawm phom sij
Kawg hloov kho: 2023-12-17 10:12
Tsis muaj kev faib tawm dav dav ntawm kev noj thiab cov khoom pov tseg. Yog li ntawd, kom yooj yim, cov hauv paus ntsiab lus ntawm kev sib cais yog feem ntau siv, uas yuav tau tham hauv tsab xov xwm no
Soda tshauv - ib qho tseem ceeb reagent rau kev lag luam
Kawg hloov kho: 2023-12-17 10:12
Ib yam tshuaj siv dav hauv kev lag luam thiab hauv tsev yog dej qab zib tshauv. Keeb kwm ntawm nws siv rov qab mus rau lub sij hawm ancient
HPP Cheboksarskaya: duab, keeb kwm, ib puag ncig cuam tshuam
Kawg hloov kho: 2023-12-17 10:12
Keeb kwm ntawm Cheboksary HPP yog sib cuam tshuam nrog keeb kwm ntawm lub nroog uas nws tau tsim. Nws yuav zoo li xav tias peb tab tom tham txog Cheboksary (tom qab tag nrho, HPP yog Cheboksary). Txawm li cas los xij, qhov no tsis yog li ntawd: Novocheboksarsk tau suav tias yog lub nroog ntawm cov kws tsim hluav taws xob. Tsis tas li ntawd, lub tshuab hluav taws xob hluav taws xob no yog ib feem ntawm txoj haujlwm loj loj, xeeb hauv xyoo pua dhau los. Tag nrho cov no thiab ntau ntxiv yuav tau tham hauv qab no
Sheath - yog dab tsi? Cov txheej txheem tsim khoom
Kawg hloov kho: 2023-12-17 10:12
Sheath - yog dab tsi? Rau ib tus neeg zoo tib yam, lo lus no yuav ua rau muaj kev txaus siab. Nws tsis paub meej tias nws txhais li cas. Txawm li cas los xij, qhov no yog qhov tsim nyog heev hauv kev tsim khoom. Nws yog ib qho yooj yim los ua nws yog tias koj muaj cov txuj ci tsim nyog. Yog li, teb cov lus nug, lub plhaub - nws yog dab tsi, nws yuav tsum tau hais - yog ib qho dawb paug uas yog siv los tsim cylindrical thiab conical lug. Nws yog tsim los ntawm cov ntawv hlau los ntawm welding
Synthetic fibers. Synthetic polyamide fiber ntau
Kawg hloov kho: 2023-12-17 10:12
Synthetic fibers tau pib tsim tawm hauv xyoo 1938. Tam sim no, twb muaj ob peb lub kaum os. Tag nrho cov ntawm lawv muaj nyob rau hauv ntau hais tias cov khoom pib rau lawv yog cov tsis tshua muaj molecular hnyav tebchaw uas hloov mus rau hauv polymers los ntawm cov tshuaj synthesis. Los ntawm dissolving los yog melting lub resulting polymers, ib tug spinning los yog spinning tov yog npaj. Fibers yog tsim los ntawm kev daws los yog yaj, thiab lawv tsuas yog tom qab ntawd ua tiav
US spaceports: nta thiab duab
Kawg hloov kho: 2023-12-17 10:12
Raws li thaum kawg ntawm xyoo 2015, muaj 19 lub chaw pib ua haujlwm hauv Tebchaws Meskas, ntawm 8 yog tsoomfwv, 9 yog kev lag luam, ua haujlwm los ntawm tsoomfwv cov koomhaum koom tes nrog cov tuam txhab ntiag tug, thiab ib qho yog los ntawm tsev kawm qib siab. . Ntawm cov no, 4 yog tsim los rau kev xa mus rau lub ntiaj teb nyob ze, 9 tsuas yog siv rau suborbital launches thiab 5 yog universal
Cov pa roj yog cov roj ntawm lub neej yav tom ntej
Kawg hloov kho: 2023-12-17 10:12
Kev siv hluav taws xob thoob ntiaj teb yuav luag tag nrho raws li kev siv cov khoom siv hluav taws xob tsis hloov pauv tau: thee, natural gas, peat, roj, thiab lawv cov derivatives, uas yog ntau yam khoom siv roj av. Liquefied gas, suav hais tias yog ib qho kev cog lus zoo tshaj plaws thiab ib puag ncig tus phooj ywg roj, tuaj yeem daws ntau yam teeb meem ntawm lub zog thiab nyiaj txiag ntawm tib neeg
Yuav ua li cas thiab vim li cas thiaj li ua kua roj
Kawg hloov kho: 2023-12-17 10:12
Lub liquefaction ntawm cov nkev yog hu ua nws hloov mus rau lub xeev ua kua nyob rau hauv tus ntawm qhov kub thiab txias uas qis dua qhov tseem ceeb. Cov txheej txheem no ua rau nws muaj peev xwm khaws cov roj thiab txuag nws rau kev siv tom qab, nrog rau kev npaj kev thauj mus los los ntawm txhua hom kev thauj mus los
Kub shrink tube: cov yam ntxwv, qhov dav thiab cov txiaj ntsig
Kawg hloov kho: 2023-12-17 10:12
Kub shrink tubing yog ib qho ntawm cov khoom nrov tshaj plaws thiab nthuav dav ntawm cov khoom cua sov shrinkable nyob rau hauv Russia. Los ntawm nws tus qauv tsim, lub ntsiab lus no yog qhov muaj txiaj ntsig zoo ntawm kev ntseeg tau thiab yog siv los hloov txoj kab uas hla ntawm ib feem (ntawm nws yog mounted) mus rau ib qho degree lossis lwm qhov