Kev nyab xeeb hauv kev tsim khoom yog qhov tseem ceeb - Kev Tiv Thaiv - Kev Ntsuas Zoo
Vim li cas cov pob zeb tawg tau tshwm sim ntau zaus? Tom qab xyoo ntawm kev tshuaj xyuas thiab kev tshawb fawb, qhov teeb meem ntawm kev tiv thaiv - ntsuas qhov zoo li qub feem ntau yog qhov yooj yim tshaj plaws.
Ntau lub lag luam hauv kuv lub teb chaws kev lag luam thee tsis muaj kev nkag siab txaus txog kev phom sij ntawm hluav taws xob zoo li qub rau tib neeg lub cev, lossis tuav cov kev xav tsis raug, yog li ua tsis tau zoo los tiv thaiv kev ntsuas. Qhov no yog qhov txaus ntshai heev thiab yuav tsum tau kho kom sai li sai tau. Cia peb ua tib zoo txheeb xyuas qhov ua rau cov pa roj carbon monoxide tawg: ua ntej, cov hluav taws xob hluav taws xob tuaj yeem ua rau cov pa tawg; Thib ob, sparks generated los ntawm hluav taws xob zoo li qub ntawm tib neeg lub cev tuaj yeem ua rau cov pa tawg. Yog hais tias qhov kev ntsuam xyuas saum toj no yog qhov tseeb, tab sis peb nyob twj ywm tsis muaj kev phom sij ntawm cov hluav taws xob zoo li qub ntawm tib neeg lub cev, kev txom nyem yog qhov tsis muaj tseeb. Yog tias peb paub txog cov kev phom sij uas tshwm sim los ntawm hluav taws xob zoo li qub rau tib neeg lub cev, tab sis ua yuam kev ntseeg tias cov paj rwb ntshiab tuaj yeem tiv thaiv hluav taws xob zoo li qub, qhov no yuav cuam tshuam rau kev nyab xeeb hauv av. Qhov no yog vim ntshiab paj rwb fibers lawv tus kheej yog insulators; thaum tus txheeb ze av noo qis dua 50%, tus nqi zoo li qub ntawm cov paj rwb ntshiab yog qee zaum siab dua li ntawm cov ntaub hluavtaws fiber ntau. Yog li ntawd, cov khaub ncaws ua haujlwm ntshiab tsis tuaj yeem hloov cov khaub ncaws ua haujlwm zoo li qub. Qhov no yog ib qho tseem ceeb tshwj xeeb uas yuav tsum nco ntsoov nyob rau hauv lub caij qhuav thiab cov cheeb tsam qhuav. Tam sim no, ntau tus neeg siv hluav taws xob hauv Suav teb siv cov khaub ncaws ua haujlwm zoo li paj rwb los tiv thaiv- cov khaub ncaws ua haujlwm zoo li qub thaum ua haujlwm hauv av, uas ua rau muaj kev kub ntxhov thiab cuam tshuam loj heev rau kev nyab xeeb hauv av. Coal mining lag luam hauv kuv lub teb chaws yuav tsum ua tib zoo muab lawv tus kheej nrog kev tiv thaiv- khaub ncaws, khau, thiab thom khwm muaj peev xwm dissipating hluav taws xob zoo li qub los ntawm tib neeg lub cev, ua kom muaj zog tiv thaiv{13}} zoo li qub hauv av, raws li tus neeg ua haujlwm, tshem tawm lossis txo cov pa hluav taws xob los ntawm tib neeg lub cev.