rare earth 中文意思是什麼

rare earth 解釋
稀土的
  • rare : adj 1 稀少的；（空氣等）稀薄的；（群島、星等）稀疏的。2 稀有的，珍奇的；極好的，珍貴的。3 〈口語...
  • earth : n 1 〈常E 〉 地球。2 大地，陸地，地面，地上。3 土壤，土。4 【化學】土類；泥。5 世界人類；人的軀體...
  1. Syntheses and crystal structures of rare earth complexes with n - p - tolysulfonyl - - alanine

    配合物的合成及晶體結構
  2. The magnet of kaiyuan ct permanent canister magnetic dressing machine is made of the high quality ferrite material or rare earth alnico. magnetic separator the average magnetic induction of the canister surface is 100 - 600mt

    磁選機-豫重牌ct永磁筒式磁選機的磁系，採用優質鐵氧體材料或與稀土磁鋼復合而成，磁選機筒表平均磁感應強度為100 600mt 。
  3. The company deals in all sorts of rare earth compounds, individual rare earth oxides and rare earth permenent magnetism materials, etc. in addition, the company supplies all kinds of omniberaing service including technology consultation, technology service and achievement attorn in rare earth research, production and application

    公司還經營各種稀土化合物、單一稀土氧化物和稀土永磁材料等。此外，公司還為稀土企業和其他投資者提供全方位的技術咨詢、技術服務和科研成果轉讓等各種服務，包括稀土科研、生產和應用等各方面。
  4. The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed

    摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。
  5. The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed

    摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。
  6. Activation of calix 6 arene in the ring - opening polymerization of - caprolactone catalyzed by rare earth aryloxide catalysts in low temperature

    己內酯低溫開環聚合中的活化作用
  7. The lighter rare-earth metals, from cerium to europium in the first half of the series, have more complex crystal structures than the heavier elements.

    輕的稀土金屬，從鈰到銪的前一半序列比重元素具有更為復雜的晶體結構。
  8. Basing on the government s support and our effort for these years, the output has gradually increased from 800 ton in 1994 to 3000 ton in 2000. especially in 1999, the company invested 2. 8 million yuan rmb emphasizing in technical reform, and set up a neodymium and samarium grouped separation production line to produce a new serious products of low - zinc and low - magnesium rare earth chloride. now the company formed a complete set of service system production to marketing. presently our products has saled covering shandong, shanghai and jiangsu province etc. the company totally possesses 7 million yuan of fized assets and 6 million yuan of circulating capital, and a steady and experienced technical and management team including 2 senior engineer, 3 engineers and 5 other technicians

    1999年以來加大了技術改造，新投入280萬元建成了釹釤分組線一條，生產低鋅、低鎂氯化稀土。 2000年追加技改投資580多萬元，建成了3000噸萃取分離線，可生產稀土系列產品。企業現有固定資產1480多萬元，流動資金1000多萬元，高級工程師5名，工程師3名，大中專專業人才20餘名。
  9. The rare - earth - zirconium composite oxides which have high thermal stability and high storage of oxygen are getting more and more attention in the automotive exhaust cleaning field

    摘要由於其良好的儲放氧能力和熱穩定性，以鈰為主的鈰鋯氧化物在汽車尾氣的處理中得到了越來越廣泛的應用。
  10. The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted

    分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮（鉭）鐵礦包裹體為主，而巨晶中的「晶核」部位則以大量的熔體包裹體為主，反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中，而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中
  11. Situation and developing trend of rare - earth countercurrent extraction processes control

    稀土萃取分離過程自動控制研究現狀及發展趨勢
  12. Application of rare - earth compounds in fine - denier polyamide fiber dyeing with reactive dyes

    稀土在細旦錦綸活性染料染色中的應用
  13. Based on an analysis of geochemical characteristics of rocks and trace elements as well as rare earth elements, this paper holds that they are products of crystallization differentiation of the same magma, that the major ore resource of this area is copper, and that gabbro - diabase is the main ore - bearing horizon

    通過對巖石化學特徵和微量元素、稀土元素地球化學特徵的剖析，表明其是同一巖漿結晶分異的產物，本區主要礦產應為銅，輝長輝綠巖是主要的含礦層位。
  14. The syntheses and properties characterization of rare - earth complexes with aromatic dicarboxylic acid

    二元芳香羧酸稀土配合物的合成與性質表徵
  15. Yttrium serves as an ideal non-magnetic diluent for the rare-earth metals.

    釔被用作稀土金屬一種理想的非磁性稀釋劑。
  16. Research on rare earth eu, dy doped long luminescence glass

    摻雜長余輝發光玻璃的研究
  17. Of precious metals, of rare - earth metals, of

    服裝飾品，編織或鉤織95 ， 462
  18. Inner mongolia baotou wanbao rare earth metal co., ltd

    內蒙古包頭市萬寶稀土金屬有限公司
  19. Baotou wanbao rare earth metal co., ltd

    內蒙古包頭市萬寶稀土金屬有限公司
  20. Rare - earth metals and their oxides - determination of ignition loss - gravimetric method

    重量法測定灼減量
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