Cov txheej txheem:
Video: Dab tsi yog cov cim kev nyab xeeb hauv chav kuaj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hazard Cov Cim
- Kev Ceeb Toom. Kev ceeb toom dav dav lab kev nyab xeeb cim muaj ib tug dub exclamation point nyob rau hauv daim duab peb sab daj.
- Health Hazard.
- Biohazard.
- Ua phem Irritant.
- Tshuaj lom/Toxic Material.
- Corrosive Material Hazard.
- Carcinogen Hazard.
- Explosive Hazard.
Tib neeg kuj nug, cov cim kev nyab xeeb yog dab tsi?
Cov cim kev nyab xeeb , txaus ntshai cim los yog kev nyab xeeb daim ntawv lo yog cov ntsiab lus thiab pom tau graphical cim uas ceeb toom lossis txheeb xyuas qhov xwm txheej cuam tshuam nrog qhov chaw lossis khoom.
Ib yam li ntawd, koj yuav ua li cas thaum koj pom lub cim kev nyab xeeb hauv kev ua haujlwm (lab)? Thaum twg koj pom qhov no cim koj yuav tsum paub uas Koj yuav tsum Muab cov hnab looj tes tiv thaiv tshav kub kom tsis txhob hlawv koj tes. Thaum twg koj pom qhov no cim koj yuav paub uas koj ua haujlwm nrog cov tshuaj uas tuaj yeem ua tau ua phom sij. Tsis txhob hnov qab cov tshuaj ncaj qha los ntawm nws lub thawv.
Tsis tas li ntawd, vim li cas cov cim kev nyab xeeb yog qhov tseem ceeb?
Yuav kom tswj tau a nyab xeeb chaw ua haujlwm thiab zam kev raug mob, lab cov cim kev nyab xeeb thiab kos npe yuav tsum tau tshaj tawm thoob plaws hauv chaw ua haujlwm. Hauv qab no Laboratory cim kev nyab xeeb ceeb toom txog tej yam txaus ntshai nyob rau hauv chav kuaj pab lab cov kws tshaj lij khaws cia nyab xeeb thiab qhia.
Laboratory Safety yog dab tsi?
Laboratory kev nyab xeeb . Kev ntsuas los tiv thaiv chav kuaj xwm txheej suav nrog kev nyab xeeb kev cob qhia thiab kev tswj hwm ntawm kuaj kev nyab xeeb txoj cai, kev nyab xeeb kev tshuaj xyuas ntawm kev sim tsim, kev siv cov cuab yeej tiv thaiv tus kheej, thiab kev siv cov kev sib raug zoo rau kev ua haujlwm tshwj xeeb.
Pom zoo:
Dab tsi yog 5 txoj cai kev nyab xeeb hauv kev tshawb fawb?
Cov cai tswj kev nyab xeeb hauv chav kawm txuj ci muaj xws li cov hauv qab no: Tsis muaj roughhouses, thawb, khiav, lossis lwm yam kev ua si nees hauv chav kawm lossis chav kuaj. Ua haujlwm ntsiag to, thiab ua siab zoo rau lwm tus thiab hwm lawv qhov chaw. Tsis txhob noj, haus, lossis zom cov pos hniav hauv chav kawm. Ib txwm hnav koj cov iav kev nyab xeeb
Kev nyab xeeb nyob rau hauv cov tiaj tiaj sab hauv yog dab tsi?
Kev nyab xeeb. Kev nyab xeeb ntawm Sab Hauv Plains yog kev nyab xeeb continental, thiab cuam tshuam los ntawm nws qhov chaw. Sab hauv Plains tsis cuam tshuam los ntawm dej hiav txwv, vim lawv nyob deb. Lawv muaj lub caij ntuj sov ntev, sov sov, thiab lub caij ntuj no txias nrog nag lossis daus tsawg heev
Txoj kev faib cov ntaub ntawv twg muab cov ntaub ntawv sib npaug ntawm cov ntaub ntawv lossis cov kev tshuaj xyuas hauv txhua chav kawm cov ntaub ntawv?
Quantile. txhua chav kawm muaj cov yam ntxwv sib npaug. Ib qho kev faib tawm ntau yog zoo haum rau cov ntaub ntawv faib tawm. Quantile muab tib tus lej ntawm cov ntaub ntawv muaj nuj nqis rau txhua chav kawm
Lub npe ntawm cov enzyme uas kuaj pom hauv qhov kev kuaj pom zoo catalase yog dab tsi?
Catalase Test- Ntsiab Cai, Siv, Txheej Txheem, Txhais Lus Txhais nrog ceev faj. Qhov kev sim no qhia pom tias muaj catalase, ib qho enzyme uas ua rau cov pa tawm ntawm cov pa oxygen los ntawm hydrogen peroxide (H2O2)
Yam khoom siv kev nyab xeeb twg hauv tsev kawm chav kuaj yuav tsum muaj?
Looj tsom iav dub. Raws li ib qho ntawm feem rhiab heev ntawm koj lub cev, koj ob lub qhov muag yog qhov tshwj xeeb tshaj yog muaj kev phom sij thaum koj ua haujlwm nrog cov tshuaj phem thiab cov khoom siv. Qhov chaw ntxuav qhov muag. Kev nyab xeeb da dej. Lab coats. Cov hnab looj tes tiv thaiv. Cov hluav taws tua hluav taws. Chemical fume hoods. Cov khoom siv thawj zaug