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Qhov chaw dysprosium: tau ua rau hauv lub teeb ci los txhawb cov cog kev loj hlob
Dysprosium, Elemory Rooj Zaum Jia Yi ntawm Han Dynasty tau sau hauv "ntawm kaum cov tub rog ntawm lub ntiaj teb, sib sau ua ke hauv Xianyang, thiab muag lawv". Ntawm no, 'dysprosium' yog hais txog taw tes xaus ntawm ib tug xub. Xyoo 1842, tom qab mossander sib cais ib ...Nyeem ntxiv -
Lub ntiaj teb tsawg ntxiv xim thiab radiance rau cov khoom siv hluav taws xob
Nyob rau hauv qee thaj chaw ntug hiav txwv, vim yog bioluminescence plankton tsoo hauv nthwv dej, hiav txwv thaum qee zaum teal teeb. Tsis tshua muaj cov hlau me kuj pom lub teeb thaum ua kom muaj, ntxiv xim thiab radiance mus rau cov khoom siv hluav taws xob. Qhov ua kom yuam kev, hais tias dias stotencourt dias, yog kom zuam lawv lub f electrons ...Nyeem ntxiv -
Daim ntawv thov ntawm cov khoom tsis tshua muaj cov av hauv niaj hnub no
Daim ntawv thov ntawm cov khoom tsis tshua muaj cov khoom siv tub rog niaj hnub no, muaj cov khoom muaj nqis ntawm lwm cov khoom lag luam, thiab yog lub npe hu ua "vitamin" ntawm kev lag luam niaj hnub. Nws tsis yog dav xwb ...Nyeem ntxiv -
Daim Ntawv Thov thiab Ntau Lawm Technology ntawm Tsis tshua muaj lub ntiaj teb Nanomaterials
Lub ntiaj teb tsis tshua muaj lawv tus kheej muaj cov qauv hluav taws xob nplua nuj thiab nthuav tawm ntau qhov kho qhov muag, hluav taws xob, thiab cov khoom sib nqus. Tom qab tsis tshua muaj lub ntiaj teb Nanomatisation, nws ua rau muaj ntau tus yam ntxwv me, xws li cov nyhuv me me, qoj meem, Quantum muaj zog, ...Nyeem ntxiv -
Qhov no tsis tshua muaj lub ntiaj teb cov khoom muaj peev xwm zoo!
Tsis tshua muaj lub ntiaj teb Nanomaterials tsis tshua muaj lub ntiaj teb muaj cim tau 4F SOLTRACTATION thiab lwm yam kev sib tw hluav taws xob txuas ntxiv, hluav taws xob, sib nqus thiab lwm yam khoom. Lawv yog qhov tsis tau ...Nyeem ntxiv -
Tej yam yees siv tsis tshua muaj ntiaj teb compound: preasemium oxide
Cov roj pleev cov roj preasodymium, cov mis lug molecular pr6o11, hnyav hnyav 1021.44. Nws tuaj yeem siv rau hauv iav, metallurgy, thiab raws li ib qho ntxiv rau cov hmoov fluorescent. Oxide Oxide yog ib qho ntawm cov khoom tseem ceeb hauv lub teeb tsis tshua muaj cov khoom hauv ntiaj teb tsawg. Vim nws lub cev nqaij daim tawv thiab tshuaj lom neeg, nws muaj ...Nyeem ntxiv -
Txoj kev loj hlob ntawm Tuam Tshoj qhov kev xa tawm ntawm lub ntiaj teb tsis tshua muaj cov hlau nplaum ruaj khov rau Tebchaws Meskas txo txij lub Ib Hlis mus txog Lub Plaub Hlis mus txog Lub Plaub Hlis
Txij Lub Ib Hlis mus txog Lub Plaub Hlis, txoj kev loj hlob ntawm Tuam Tshoj qhov kev xa tawm ntawm lub ntiaj teb tsis tshua muaj zog rau Tebchaws Asmeskas txo qis. Kev lis kev cai ntsuas cov ntaub ntawv qhia tau hais tias txij lub Ib Hlis 2023, Tuam Tshoj cov hlau nplaum tsis tshua muaj zog rau Tebchaws Meskas tau mus txog 2195 tons, ib xyoos-nyob rau-xyoo ...Nyeem ntxiv -
Cov lus teb ceev ceev rau zirconium tetrachloride Zrcl4
Zirconium tetrachloride yog dawb, ci crystal lossis hmoov hmoov uas yog nquag mus rau deliquescence. Feem ntau siv nyob rau hauv kev ntau lawm cov hlau zirconium, pigments, textile waterproof me nyuam, thiab lwm yam, nws muaj qee yam phom sij. Hauv qab no, cia kuv qhia cov lus teb kom muaj xwm ceev ntawm Z ...Nyeem ntxiv -
Zirconium Tetrachloride Zrcl4
1, Qhia txog cov lus qhia: ntawm Tetrachloride yog hmoov dawb huv nrog cov qauv muaj lotice bearing rau ntawm cubic Crystal system. Lub sublimation kub yog 331 ℃ thiab melting point yog 434 ℃. Lub gaseous zirconium tetrachloride molecule muaj tetraedral stru ...Nyeem ntxiv -
Lub cev muaj nuj nqis ntawm lub ntiaj teb tsawg ntawm cov nroj tsuag?
Kev tshawb fawb ntawm lub ntiaj teb tsawg ntawm lub ntiaj teb tsis tshua muaj ntawm kev cog cov physiology tau qhia tias tsis tshua muaj cov ntsiab lus ntawm cropshyll thiab photoynthetic tus nqi hauv cov qoob loo; Tseem ceeb pab cog rooting thiab nrawm hauv paus kev loj hlob; Ntxiv dag zog rau lub ion nqus kev ua haujlwm thiab thev ...Nyeem ntxiv -
Cerium oxide yog dab tsi? Nws siv yog dab tsi?
Creium ox oxide, tseem hu ua cerium dioxide, muaj cov molecular formula CEO2. Yuav siv tau ua cov ntaub ntawv polishing, uralalts, UV nqus, roj ceramics, cov cuab yeej siv hluav taws xob tsis kawg siv cov khoom siv ceramics los ua cov roj flucose ...Nyeem ntxiv -
Kev npaj ntawm nano cillex oxide thiab nws daim ntawv thov hauv kev kho dej
CEO2 yog ib qho tseem ceeb ntawm cov ntaub ntawv tsis tshua muaj cov ntaub ntawv. Lub Ntiaj Teb Tsis Muaj Ciab muaj ib tus qauv txheej txheem txheej txheem txheej txheem hluav taws xob - 4F15d16s2. Nws cov txheej txheem 4F tshwj xeeb yuav tau txais cov khoom siv thiab tso cov hluav taws xob, ua cerium ions coj tus coj hauv lub xeev thiab + 4 lub xeev valence. Yog li ntawd, CEO2 mater ...Nyeem ntxiv