稀土金屬礦 的英文怎麼說

中文拼音 [xītǔjīnzhǔkuàng]
稀土金屬礦 英文
ores of rare-earth metals
  • 稀 : Ⅰ形容詞1 （事物出現得少） rare; scarce; uncommon 2 （事物之間距離遠; 空隙大） sparse; scattered 3...
  • 金 : Ⅰ名詞1 （金屬） metals 2 （錢） money 3 （古時金屬制的打擊樂器） ancient metal percussion instrum...
  • 屬 : 屬名詞1 （類別） category 2 [生物學] （生物分類系統上所用的等級之一） genus 3 （家屬; 親屬） fami...
  • 礦 : 名詞1. （礦床） ore [mineral] deposit 2. （礦石） ore 3. （開采礦物的場所） mine
  • 金屬 : metal
  1. In recent years, the colossal magneto - resistance effect in rare - earth manganite perovskites of the type lni. xaxmno3 ( where ln is rear - earth irons la2 +, nd2 +, p2 + ; a is alkaline earth iron ca2 +, sr2 +, ba2 + ) has attract considerable attention in scientific studies due to its potential application. however, the poor temperature dependence of mr and the low - temperature mr effect and the ideal mr only in high field severely limit their practical utility. in this work, we prepared manganite perovskite lai - xsrxmno3 and soft - magnetic ferrite materials fe2o3 and ( ni, zn ) fe2o4 by using sol - gel method separately

    近些年來，人們發現在鈣鈦礦錳氧化物ln _ （ 1 - x ） axmno _ 3 （ ln為la ， nd ， pr等稀土金屬元素； a為ca ， sr ， ba等堿土金屬元素）中具有磁電阻（ magnetoresistance ）效應，由於它在磁記錄，磁傳感器方面具有廣泛的應用前景，同時也向傳統的磁記錄材料提出了挑戰，因而引起了物理學界的廣泛關注。
  2. The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done

    自1989年在摻雜鈣鈦礦型錳氧化物ra _ （ 1 - x ） m _ xmno _ 3 （其中m為金屬離子， ra為三價稀土離子）中發現龐磁電阻（ cmr ）以來由於其在磁記錄、磁傳感器等方面潛在的應用前景，以及金屬?絕緣體相變等所涉及的強關聯效應，使該類化合物吸引了物理學界的廣泛注意。
  3. Based on the studies of microthermometry, gas composition, liquid composition, rare earth elements, ore - forming elements and 13c, d, 18o of fluid inclusions from the mineralization district and the representative deposits, such as zacun gold deposit, shuixie copper - cobalt deposit, shiyancun stibium deposit and bijiashan stibium deposit, two metallogenic fluid systems have been distinguished, i. e., zijinshan metallogenic fluid system and gonglang metallogenic fluid system in weishan - yongping mineralization district

    礦化集中區及扎村金礦、水泄銅鈷礦、石巖村銻礦、筆架山銻礦等典型礦床流體包裹體的顯微測溫、氣相成分、液相成分、稀土元素、重金屬元素及~ （ 13 ） c ， d ， ~ （ 18 ） o穩定同位素的研究表明，雲南巍山-永平地區銅金多金屬礦化集中區存在兩個成礦流體系統：紫金山背斜成礦流體系統與公郎弧成礦流體系統。
  4. The study covers regional geology, the physicochemical conditions of cu - ag polymetallic mineralization area, transport forms of copper and silver, the ore - forming geochemical mechanism of cu & ag, the geochemical characters of major element, trace element and lanthanon in mineralization field, the ore - forming age and geochemical mode, and so on

    研究內容包括：區域地質和礦田地質，銅銀多金屬礦形成的物理化學條件，銅銀遷移形式，銅銀富集的地球化學機理，礦田常量元素、微量元素和稀土元素地球化學特徵，白秧坪銅銀多金屬礦田成礦時代和地球化學模式等。
  5. Cu - ni sulfided mine complex locate in baimazai of jinping county is sub alkali iron - super iron, it ' s zoning is clear and it ' s ni - cu - co melting first and enrichment, its rare earth is rich in right lean light rare earth, but eu in olive rock is serious to be bad, gd - tb is tittles negative abnormity. above - mentioned show that the mineral is cone from mantle, and didn " t mix with crustal substance, and continent tholeiite magma turning into continent tholeiite emplacement after by surging

    金平白馬寨銅鎳硫化礦床雜巖體分帶明顯、屬亞堿性鐵質-超鐵質巖、具ni - cu - co三元素先熔離，后富集的規律、稀土配分為右傾斜輕稀土富集型，但橄欖巖銪虧損顯著， gd - tb微小負異常，顯示成礦物質來源地幔，與地殼物質無混染和大陸拉斑玄武巖漿上涌后變為大洋拉斑玄武巖漿侵位特點。
  6. Most of them take the lead on some subjects. the company is based on science and technologhy and develops continuously new products and new processes. they researched and developed a new precess " producing mixing rare earth metal directly from bastnaesite " which has advanced stage in the world and has applied for china patent

    公司以科研和技術開發為基礎，不斷開發新產品和新工藝，研製開發了「氟碳鈰礦直接電解生產混合稀土金屬」這項具有國際先進水平的新工藝，並申請了專利。
  7. There exist large au, cu, pb - zn, ni, rare metals, rare earth, sn, mo, v, ti, w and some other types of ore deposits

    具有大型、超大型規模的礦產為金、銅、鉛鋅、鎳、稀有金屬、稀土金屬、錫、鉬以及釩、鈦、鎢等。
  8. Discovery of high - ree calcites in the dachang superlarge tin - polymetallic ore deposit, nandan, northwestern guangxi

    桂西北南丹地區大廠超大型錫多金屬礦床中發現高稀土元素方解石
  9. The ministry of finance and the state administration of taxation jointly determined to adjust export refund rates of the following products as of 1 may 2005 : ( 1 ) export refund rates of coal, tungsten, tin, antimony and their products decreased to 8 % ; ( 2 ) abolishing of the export refund tax of thulium, thulium oxide, salts of lanthanum, silicon metal, molybdenum ores and its fine ores etc

    中國財政部、國家稅務總局決定自2005年5月1日起調整下列產品的出口退稅率： （ 1 ）將煤炭，鎢、錫、鋅、銻及其製品的出口退稅率下調為8 % ； （ 2 ）取消稀土金屬、稀土氧化物、稀土鹽類，金屬硅，鉬礦砂及其精礦，輕重燒鎂，氟石、滑石、碳化硅，木粒、木粉、木片的出口退稅政策。
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