2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kuv puas tuaj yeem ua mob rau kuv tus kheej thiab kuv tsev neeg los ntawm kev ua nuv ntses lossis lub dab dej hauv tsev? Yes. Cov menyuam yaus thiab cov neeg laus tuaj yeem tsim teeb meem kev noj qab haus huv hnyav thaum cov hmoov lead hmoov av lossis fume kis thoob plaws hauv koj lub tsev. Kev txiav, sib tsoo, lossis melting ntawm txhuas hauv tsev yog ib qho kev xyaum tsis zoo.
Nws puas txaus ntshai ua rau cov hmoov txhuas?
Lub tsev tsim cov khoom siv nuv ntses tsis pom zoovim nws yog ib qho ua rau muaj kab mob lom. Qhov phom sij tshwm sim thaum cov hlau lead yog yaj thiab nchuav rau hauv pwm. Nws yog nyob rau theem no uas cov pa taws ua pa lom lom tau tsim thiab nqus tau thiab nqus tau.
Vim li cas cov hlau lead sinker tsis raug cai?
Qhov laj thawj tseem ceeb ntawm cov hmoov txhuas tau raug cai hauv qee lub xeev yog vim nws ua rau cov kab mob tuag taus thaum noj. Qhov teeb meem yog thaum noog nqos me me cov hlau lead nuv ntses qhov hnyav pom nyob rau hauv dej cov hlau lead lom lawv, ua rau tuag. … Feem ntau, txoj cai txwv tsis pub siv lead jigs thiab cov dab dej uas hnyav dua ib ooj.
Yuav ua li cas yog tias koj nqus cov pa txhuas?
Qhov kev pheej hmoo loj tshaj plaws yog b hlwb kev loj hlob, qhov twg qhov kev puas tsuaj tsis tuaj yeem tshwm sim. Cov qib siab tuaj yeem ua rau lub raum thiab lub paj hlwb puas rau ob leeg menyuam thiab cov laus. Cov hlau lead ntau heev tuaj yeem ua rau qaug dab peg, tsis nco qab thiab tuag.
Yuav ua li cas hnyav hnyav?
Yog vim li cas cov hlau lead tseem siv rau nuv ntses, thiab puas tsim kev puas tsuaj rau ib puag ncig? raws licov dab dej no lom rau cov tsiaj qus. … Cov dab dej no maj mam tso cov hmoov txhuas mus rau hauv dej uas cuam tshuam rau cov ntses thiab cov tsiaj qus nyob rau lub sijhawm, ua rau lawv raug mob thiab, qee zaum, muaj tshuaj lom lead ua rau tuag.
Pom zoo:
Puas yog xeb hmoov av txaus ntshai?
Thaum xeb nkag mus rau saum huab cua, nws tuaj yeem ua rau lub qhov muag ua rau khaus, zoo ib yam li cov hmoov av ua. Nws kuj tuaj yeem ua rau mob plab yog tias noj tsis raug. Kev nqus cov kab xeb yog tshwj xeeb tshaj yog hais txog, vim tias qhov ntev ntev tuaj yeem ua rau siderosis, ib qho xwm txheej uas cov hlau tso rau hauv lub ntsws.
Kuv puas tuaj yeem ua cov txhuas txhuas?
Koj tuaj yeem ua tau siv Aluminium braze kho cov kab nrib pleb, qhov, ntws, rivets, pob ntseg tawg, xov lossis fabricate aluminium, cam khwb cia txhuas, thiab cam khwb cia hlau sai, yooj yim, thiab muaj zog dua tshiab. Nws tsis nyuaj kiag li.
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.
Qhov twg kom tau txais cov hmoov av nag lossis cov neeg tseem ceeb txaus ntshai?
Known Sources Nkoj khaws cia (tub rog thiab tub ceev xwm nkoj) Mission nqi zog. Yuav ua li cas koj thiaj li tau txais theem alloys hauv cov neeg tseem ceeb txaus ntshai? Known Sources Nkoj cawm (Sib ntaus sib tua) Signal sources (Boom system states) Abandoned Settlement Salvage.
Thaum twg nyiaj npib txaus ntshai txaus ntshai hauv tebchaws Askiv?
Lub nyiaj npib txaus ntshai tau tshwm sim hauv xyoo 1830, ua rau cov neeg ua haujlwm txawj nyeem ntawv ntau ntxiv thiab ua tau los ntawm kev siv thev naus laus zis hauv kev luam ntawv thiab kev faib tawm. Nws lub hnub tseem ceeb tuaj nyob rau xyoo 1860 thiab 1870, thaum cov phau ntawv no tau sau rau lub teb chaws cov ntawv xov xwm.
