2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ferberite feem ntau tshwm sim hauv pegmatites, granite greisens, thiab kub hydrothermal deposits. Nws yog ib qho me me ntawm tungsten. Ferberite tau pom nyob rau hauv 1863 hauv Sierra Almagrera, Spain, thiab muab lub npe tom qab German mineralogist Moritz Rudolph Ferber (1805–1875).
Wolframite pom nyob qhov twg hauv ntiaj teb?
Wolframite, tus thawj ore ntawm tungsten, feem ntau txuam nrog tin ore hauv thiab ib ncig ntawm granite. Cov xwm txheej zoo li no suav nrog Cornwall, Eng.; qaum teb sab hnub poob Spain thiab sab qaum teb Portugal; Lub teb chaws Yelemees sab hnub tuaj; Myanmar (Burma); Malay Peninsula; thiab Australia.
Tungsten ore nyob qhov twg?
Tungsten deposits tshwm sim hauv koom nrog cov pob zeb metamorphic thiab granite igneous pob zeb. Cov mines tseem ceeb tshaj plaws yog nyob rau hauv roob Nan nyob rau hauv Kiangsi, Hunan, thiab Kwangtung xeev ntawm Tuam Tshoj, uas muaj txog 50 feem pua ntawm lub ntiaj teb reserves.
Wolframite tau txais nws lub npe li cas?
Lub npe wolfram los los ntawm cov pob zeb hauv lub caij tau pom nyob rau hauv, wolframite. Wolframite txhais tau tias "tus devourer ntawm tin," uas yog qhov tsim nyog vim tias cov ntxhia cuam tshuam nrog cov smelting ntawm tin.
Puas wolframite tsawg lossis ntau?
Wolframite yog ib qho piv txwv tsis tshua muaj, thiab feem ntau pom muaj feem ntau nrog cassiterite thiab txuam nrog scheelite, bismuth, quartz, pyrite, galena, sphalerite, thiab lwm yam.
Pom zoo:
Thaum twg dystrophic epidermolysis bullosa nrhiav tau?
Epidermolysis bullosa tau pom thawj zaug hauv lig 1800s. Nws yog ib tug tswv cuab ntawm tsev neeg ntawm cov kab mob hu ua blistering disease. Puas yog dystrophic epidermolysis bullosa ib yam kab mob tsawg? Epidermolysis bullosa acquisita (ib daim ntawv tau txais ntawm EB) yog ib yam tsis tshua muaj autoimmune tsis meej thiab tsis tau txais txiaj ntsig.
Thaum twg nrhiav tau dysarthria?
Early in 1969 , Darley et al. txhais tau tias dysarthria yog ib lo lus sib sau ua ke rau kev hais lus tsis zoo. Kev faib tawm ntawm dysarthria suav nrog flaccid dysarthria, spastic dysarthria, ataxic dysarthria, hypokinetic dysarthria, hyperkinetic hyperkinetic Hyperkinesia yog ib lub xeev ntawm kev ntxhov siab ntau dhauuas muaj ntau yam kab mob uas cuam tshuam rau lub peev xwm.
Ferberite nyob qhov twg?
Ferberite feem ntau tshwm sim hauv pegmatites, granite greisens, thiab kub kub hydrothermal deposits. Nws yog ib qho me me ntawm tungsten. Ferberite tau pom nyob rau xyoo 1863 hauv Sierra Almagrera, Spain, thiab muaj npe tom qab German mineralogist Moritz Rudolph Ferber (1805-1875).
Thaum twg tau txais kev pom zoo nrhiav tau?
In 2009, peb tus tsim thiab CEO Steve Marshall tau txheeb xyuas lub sijhawm hauv kev lag luam pov hwm lub neej thiab Reassured tau tsim. Peb pab tsev neeg tiv thaiv qhov tseem ceeb tshaj plaws rau lawv; Peb Lub Hom Phiaj rau 2020 yog los tiv thaiv ntau dua 200,000 tsev neeg hauv tebchaws Askiv.
Puas nrhiav tau lossis nrhiav tau?
Yog li, koj yuav tsum tau siv "could find". Lub modal verb, tau yog twb nyob rau hauv nws paste-form: ua. Yog li koj tsis tas yuav hloov pauv los nrhiav. Yuav nrhiav tau lossis nrhiav tau? "Ntaus" yog sib npaug. "
