Nūhou

  • ʻEleʻele honua laha ʻole | gadolinium (Gd)

    ʻEleʻele honua laha ʻole | gadolinium (Gd)

    I ka makahiki 1880, ua hoʻokaʻawale ʻo G.de Marignac o Switzerland i ka "samarium" i ʻelua mau mea, ua hōʻoia ʻia kekahi e Solit e like me ka samarium a ua hōʻoia ʻia kekahi mea e ka noiʻi a Bois Baudelaire. I ka makahiki 1886, kapa ʻia ʻo Marignac i kēia mea hou he gadolinium no ka hoʻohanohano ʻana i ke kemika Dutch ʻo Ga-do Linium, nāna ...
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  • Elements Ka Honua | Eu

    I ka makahiki 1901, ua ʻike ʻo Eugene Antole Demarcay i kahi mea hou mai "samarium" a kapa ʻia ʻo ia ʻo Europium. Kapa ʻia paha kēia ma muli o ka huaʻōlelo ʻEulopa. Hoʻohana ʻia ka hapa nui o ka europium oxide no nā pauka fluorescent. Hoʻohana ʻia ʻo Eu3+ ma ke ʻano he mea hoʻoikaika no nā phosphors ʻulaʻula, a hoʻohana ʻia ʻo Eu2 + no nā phosphors uliuli. I kēia manawa, ...
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  • ʻEleʻele honua laha ʻole | Samarium (Sm)

    ʻEleʻele honua laha ʻole | Samarium (Sm) I ka makahiki 1879, ua ʻike ʻo Boysbaudley i kahi mea hou o ka honua i loko o ka "praseodymium neodymium" i loaʻa mai ka niobium yttrium ore, a ua kapa ʻia ʻo ia ʻo samarium e like me ka inoa o kēia ʻala. ʻO Samarium kahi kala melemele māmā a ʻo ia ka mea maka no ka hana ʻana iā Samari...
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  • ʻEleʻele honua laha ʻole | Lanthanum (La)

    ʻEleʻele honua laha ʻole | Lanthanum (La)

    Ua kapa ʻia ka mea 'lanthanum' i ka makahiki 1839 i ka wā i ʻike ai kahi Swede i kapa ʻia ʻo 'Mossander' i nā mea ʻē aʻe o ka ʻāina o ke kūlanakauhale. Ua ʻaiʻē ʻo ia i ka huaʻōlelo Helene 'huna' e kapa i kēia mea 'lanthanum'. Hoʻohana nui ʻia ka Lanthanum, e like me nā mea piezoelectric, nā mea electrothermal, thermoelec...
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  • ʻEleʻele honua laha ʻole | Neodymium (Nd)

    ʻEleʻele honua laha ʻole | Neodymium (Nd)

    ʻEleʻele honua laha ʻole | Neodymium (Nd) Me ka hānau ʻana o ka mea praseodymium, ua puka pū kekahi ʻano neodymium. ʻO ka hōʻea ʻana mai o ka mea neodymium ua hoʻāla i ka māla honua laha, hoʻokani i kahi hana koʻikoʻi i ka māla honua, a hoʻomalu i ka mākeke honua. Ua lilo ʻo Neodymium i mea wela wela...
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  • ʻEleʻele honua laha ʻole | yttrium (Y)

    ʻEleʻele honua laha ʻole | yttrium (Y)

    I ka makahiki 1788, ua loaʻa ʻo Karl Arrhenius, he luna Suedena i aʻo i ka chemistry a me mineralogy a hōʻiliʻili i nā ores, i loaʻa nā mineral ʻeleʻele me ke ʻano o ka asphalt a me ka lanahu ma ke kauhale o Ytterby ma waho o Stockholm Bay, i kapa ʻia ʻo Ytterbit e like me ka inoa kūloko. I ka makahiki 1794, ʻo ka Finnish c...
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  • ʻO ke ʻano hoʻoheheʻe ʻana no nā mea ʻeleʻele koʻikoʻi

    ʻO ke ʻano hoʻoheheʻe ʻana no nā mea ʻeleʻele koʻikoʻi

    ʻO ke ʻano o ka hoʻohana ʻana i nā mea hoʻoheheʻe organik e unuhi a hoʻokaʻawale i ka mea i unuhi ʻia mai kahi ʻano wai immiscible ua kapa ʻia ke ʻano hoʻoheheʻe wai-wai-wai hoʻoheheʻe organik, i hoʻopau ʻia ma ke ʻano he solvent extraction method. He kaʻina hoʻoili nui ia e hoʻoili i ka sub...
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  • Elements Ka Honua | Scandium (Sc)

    Elements Ka Honua | Scandium (Sc)

    I ka makahiki 1879, ua loaʻa i nā polopeka kemika Suedena ʻo LF Nilson (1840-1899) a me PT Cleve (1840-1905) i kahi mea hou i loko o nā minerale gadolinite a me nā ʻeleʻele gula ʻeleʻele i ka manawa like. Ua kapa lākou i kēia mea "Scandium", ʻo ia ka "boron like" element i wānana ʻia e Mendeleev. ʻO kā lākou ...
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  • He aha ka gadolinium oxide Gd2O3 a he aha ia e hoʻohana ai?

    He aha ka gadolinium oxide Gd2O3 a he aha ia e hoʻohana ai?

    Dysprosium oxide Inoa huahana: Dysprosium oxide Molecular formula: Gd2O3 Molecular kaumaha: 373.02 Maʻemaʻe: 99.5% -99.99% min CAS: 12064-62-9 Packaging: 10, 25, a me 50 kilokani no kēlā me kēia ʻeke, me ʻelua papa o nā ʻeke plastik i loko, a me nā barela i ulana ʻia, hao, pepa, a i ʻole ka pahu plastik ma waho. ʻAno: Keʻokeʻo a i ʻole li...
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  • Nā mea noiʻi SDSU e hoʻolālā i ka maʻi bacteria e unuhi ana i nā mea ʻenehana honua

    Nā mea noiʻi SDSU e hoʻolālā i ka maʻi bacteria e unuhi ana i nā mea ʻenehana honua

    kumu:newscenter Rare earth elements (REEs) like lanthanum a me neodymium he mau mea pono ia o ka uila uila hou, mai ke kelepona hele a me na panela o ka la i na ukali a me na kaa uila. Aia kēia mau metala kaumaha a puni mākou, ʻoiai he liʻiliʻi. Akā ke piʻi mau nei ka noi a lilo i ...
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  • He aha ka Amorphous boron pauka, kala, noi?

    He aha ka Amorphous boron pauka, kala, noi?

    Hoʻopuka huahana inoa huahana: Monomer boron, boron pauka, amorphous element boron Hōʻailona ʻeleʻele: B ʻAtoma kaumaha: 10.81 (e like me ka 1979 International Atomic Weight) kūlana maikaʻi: 95% -99.9% HS code: 28045000 CAS helu: 7440-42- 8 Kapa ʻia ka pauka boron amorphous amorphous bo...
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  • He aha ka tantalum chloride tacl5, kala, noi?

    He aha ka tantalum chloride tacl5, kala, noi?

    ʻO Shanghai Xinglu kemika hoʻolako kiʻekiʻe Purity tantalum chloride tacl5 99.95%, a ʻo 99.99% Tantalum chloride ka pauka keʻokeʻo maʻemaʻe me ka molecular formula TaCl5. Molecular kaumaha 35821, helu hehee 216 ℃, paila paila 239 4 ℃, hoʻoheheʻe ʻia i loko o ka waiʻona, ether, carbon tetrachloride, a hoʻopili ʻia me ka wa...
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