2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov tswv lag luam, nrog rau cov tuam txhab tshuaj, cov neeg xa khoom thiab cov khoom lag luam, muaj tsawg dua rau lub hlis los hloov Cov Ntaub Ntawv Kev Nyab Xeeb Cov Ntaub Ntawv (MSDS) nrog Cov Ntawv Qhia Kev Nyab Xeeb tshiab (SDS). Raws li kev ceeb toom, effective Lub Rau Hli 1, 2015, tag nrho Cov Ntaub Ntawv Kev Nyab Xeeb Cov Ntaub Ntawv (MSDS) yuav tsum tau hloov nrog Daim Ntawv Qhia Kev Nyab Xeeb tshiab (SDS).
Vim li cas lawv thiaj hloov ntawm MSDS rau SDS?
Kev hloov ntawm MSDS rau SDS hom yuav tsum txhawm rau ua kom koj qhov chaw ua haujlwm muaj kev nyab xeeb thiab ua kom yooj yim rau koj lub lag luam kom siv, khaws cia, thiab pov tseg cov tshuaj koj siv. Txawm li cas los xij, qhov kev hloov pauv tseem yuav xav kom cov tswv ntiav hloov kho lawv cov khoom siv tshuaj lom neeg kev tswj hwm.
Puas yog MSDS tam sim no SDS?
Ib qho SDS yog an MSDS Lwm qhov kev hloov pauv, ua tsaug rau GHS, yog kev hloov npe ntawm cov ntaub ntawv kev nyab xeeb ntawm MSDSs rau cov ntaub ntawv kev nyab xeeb yooj yim, lossis SDSs.
SDS yav dhau los MSDS tuaj qhov twg?
SDSs yog tsim los ntawm cov chaw tsim tshuaj lom neeg, xa tawm lossis tus xa khoom, nrog rau cov ntawv ceeb toom kev nyab xeeb, thiab muab rau cov neeg siv cov tshuaj lom neeg poob qis. Tau ntau xyoo lawm, hauv Tebchaws Meskas thiab Canada tshwj xeeb, cov ntaub ntawv no tau hu ua cov ntaub ntawv kev nyab xeeb cov ntaub ntawv lossis MSDSs - cov hnub ntawd xaus.
OSHA puas xav tau MSDS lossis SDS?
OSHA tsuas yog xav tau cov ntaub ntawv kev nyab xeeb (SDSs) rau cov khoom lag luam phom sij lossis tshuaj lom neeg. … Qhov tseeb yooj yim uas yuav tsum nco ntsoov yog tias nws muaj kev phom sijtshuaj lom neeg los yog cov khoom lag luam, yuav tsum muaj daim ntawv pov thawj kev nyab xeeb. Yog tias nws yog ib qho khoom tsim, qhov txawv ntawm SDS uas twb muaj lawm yuav yog slim.
Pom zoo:
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Yuav ua li cas hloov mus rau qhov hloov pauv ib puag ncig kev lag luam?
Dhau li ntawm cov kev siv zog loj no, koj tuaj yeem ua qhov ntsuas me me kom ntseeg tau tias koj sib haum nrog kev hloov pauv thiab hloov tau yooj yim rau nws: Txoj Kev Siv Tshuab. … Txhawb Koj Siab. … Kawm nyob nrog tsis meej pem thiab tsis paub tseeb.
Qhov kev hloov pauv no puas yuav ua rau muaj kev hloov pauv hloov pauv?
Yog li, yog tias muaj kev hloov pauv, piv txwv li, kev ntxig lossis tshem tawm ntawm nucleotide, tshwm sim, qhov no tuaj yeem ua rau kev hloov pauv ntawm kev nyeem ntawv. Nws hloov tag nrho cov amino acid ib ntus. Cov kev hloov pauv no yog hu ua frameshift mutation (tseem hu ua kev nyeem ntawv hloov pauv, nyeem ntawv hloov pauv, lossis framing yuam kev).
Lub zog hloov pauv ntawm tiam mus rau kev xa mus rau kev faib tawm li cas?
Power, tshwj xeeb tshaj yog qib voltage, xa los ntawm cov kab xa tawm raug txo, lossis "tso nqis," los ntawm kev hloov pauv thiab xa mus los ntawm cov kab xa tawm, uas txuas nrog tom tsev thiab kev lag luam. … Nws yog ceg kawg ntawm kev xa hluav taws xob los ntawm ib tiam mus rau cov neeg siv khoom.
Puas yog jurassic ntiaj teb hloov pauv hloov pauv hloov pauv?
Qee zaum, paub meej, koj yuav tau rov qab mus rau lub sijhawm dhau los - txuag manually, thiab feem ntau, raws li game's autosave yog… tsis zam txim - tab sis feem ntau ntawm cov lub sijhawm koj tuaj yeem khaws cov khoom thiab khaws cia nrog.
