2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kimberlite kav: Qhov chaw lawv nyob ntawm pob zeb diamond mines tuaj yeem pom hauv South Africa, Botswana, Angola, Russia, Canada thiab Australia, yog li pib muaj qhov zoo thawj koom ruam. Uas tau hais tias, tsuas yog nthuav tawm hauv lub tebchaws uas tsim cov pob zeb diamond thiab vam tias yuav nrhiav tau ib thaj chaw kimberlite tsis yog ib qho kev ua suab nrov.
kimberlite feem ntau pom nyob qhov twg?
Kimberlite tshwm sim nyob rau hauv lub ntiaj teb lub crust nyob rau hauv ntsug lug hu ua kimberlite kav, as well as igneous dykes. Kimberlite kuj tshwm sim raws li kab rov tav sills. Kimberlite kav yog qhov tseem ceeb tshaj plaws ntawm mined pob zeb diamond niaj hnub no. Kev pom zoo ntawm kimberlites yog tias lawv tau tsim tob hauv lub mantle.
kimberlite pom nyob qhov twg hauv Asmeskas?
Lawv tshwm sim hauv sab hnub poob ntawm Appalachians los ntawm New York mus rau Tennessee; nyob rau hauv cheeb tsam nruab nrab ntawm Teb Chaws Asmeskas suav nrog Kentucky, yav qab teb Illinois, Missouri, Kansas thiab Arkansas, thiab nyob rau sab hnub poob ntawm Montana, Colorado, Wyoming thiab Colorado Plateau.
Lub teb chaws twg muaj cov kav dej kimberlite tshaj plaws?
South Africa muaj ntau hom pob zeb diamond ntau ntau hauv ntiaj teb. Cov kev tso nyiaj muaj xws li qhib qhov av thiab hauv av kimberlite yeeb nkab / dyke / fissure mining, alluvial mining, thiab nyob rau thiab offshore marine mining. Pob zeb diamond mines hauv South Africa yog ua los ntawm De Beers.
kimberlite nqi npaum li cas?
qauv tus nqi rangednruab nrab ntawm US $ 129 thiab US $ 355 ib ct rau cov pob zeb diamond pejxeem ntawm cov kimberlite loj units ua lub Hnub Qub thiab Orion South kimberlites.
Pom zoo:
Thaum twg kuv tuaj yeem tuaj yeem mus rau Tebchaws Yelemees?
Yog. Rau Lub Rau Hli 20, 2021, cov neeg nyob hauv Tebchaws Meskas tau tso cai nkag tebchaws Yelemes rau txhua lub hom phiaj. Kev Sau Npe Digital ntawm Kev Nkag Nkag: Cov neeg nkag mus hauv lub tebchaws Yelemes uas tau siv sijhawm nyob rau hauv RKI-tsim muaj kev pheej hmoo siab lossis kab mob sib txawv hauv 10 hnub ua ntej nkag yuav tsum xa daim ntawv sau npe digital ntawm kev nkag.
Cov neeg txawv tebchaws puas tuaj yeem nkag mus hauv lub tsev teev ntuj?
Tsuas yog cov pov thawj thiaj nkag tau mus rau hauv lub Tuam Tsev sab hauv. Txawm tias cov neeg Yudais txoj kev cai dab qhuas ntshav puv nkaus tsuas tuaj yeem mus ze, tsuas yog mus rau sab nrauv ntawm lub Tuam Tsev. Ntxiv mus, txawm tias cov neeg txawv tebchaws tuaj yeem tuaj koom….
Kuv puas tuaj yeem xyaum txoj cai hauv lwm lub tebchaws?
Yog, tab sis koj yuav tsum tau ntawv tso cai. Lub National Committee of Accreditation yuav raug nqi los ntsuas koj cov degree. Lawv yuav txiav txim siab seb koj yuav tsum xeem npaum li cas (xav tias 6-12). Thaum koj tau dhau cov ntawd lawm koj yuav tsum tau mus dhau cov txheej txheem ntawv tso cai txhua tus kws lij choj dhau mus.
Koj puas tuaj yeem pom fovea centralis nrog lub qhov muag pom?
Saib ntawm Retina Los ntawm Ophthalmoscope Nyob rau sab xis yog daim duab ntawm tus neeg saib xyuas qhov muag pom thaum saib koj lub retina nrog ophthalmoscope. Qhov tsaus ntuj ze ntawm qhov chaw yog lub fovea. … Thaum peb kho (saib ncaj qha ntawm) cov khoom, cov duab ntawm cov khoom no yog npaj rau ntawm fovea.
Ntawm bail koj tuaj yeem tawm hauv lub tebchaws?
Raws li thawj zaug kev tso cai, tus kws txiav txim plaub ntug yuav kom tus neeg foob tsis txhob tawm hauv lub tebchaws, thiab lub tsev hais plaub kuj tseem tuaj yeem tuav daim ntawv hla tebchaws. Tsis tas li ntawd, tus kws txiav txim plaub ntug yuav kom tus neeg foob tsis txhob tawm hauv lub xeev, lossis txawm lub nroog, lossis lub nroog.
