rare-earth metal 中文意思是什麼

rare-earth metal 解釋
稀土金屬
  • 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...
  • metal : n 1 金屬；金屬製品；金屬合金。2 【化學】金屬元素；（opp alloy）；金屬性。3 【徽章】金色；銀色。4 ...
  1. 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。
  2. 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
  3. Baotou wanbao rare earth metal co., ltd

    內蒙古包頭市萬寶稀土金屬有限公司
  4. Property investigation of a kind of three - way catalyst containing rare earth metal

    一種富稀土型三效催化劑的性能考察
  5. 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。
  6. From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops

    摘要從農業經濟效應和環境生態效應二方面，論述了稀土肥料促進作物生長、發育，提高作物產量，改善作物品質的效應與機理；影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能，繼而反饋調節作物生長；緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應；並以稀土在作物體內分佈與富集規律為參考，探討了稀土農用的安全性。
  7. Effect of rare earth metal yttrium on microstructure and wear resistance of vacuum fusion sintered ni - based coating

    基塗層顯微組織和耐磨性的影響
  8. Synthesis and spectrum study of 5 - bromosalicylaldehyde contract semicarbazided hydrochloride and its rare earth metal complexes

    溴水楊醛縮鹽酸氨基脲稀土配合物的合成及光譜研究
  9. By the stational environmental protection administration in mar. reecat decide to devoted to exhaust gas converters of motorcycles and auto. sweden recsab company invested our company. reecat developed rare - earth - precious metal composite catalysts as the core techology, and formed big three seriese products

    利凱特公司研製開發出高效稀土-貴金屬復合型催化劑，以此為核心技術，逐步形成三大系列主導產品，為全面進入國內尾氣治理市場奠定了堅實的基礎。
  10. La3 + has greater ability of relieving the toxic effect of ni3 + to hydrocharis dubia b l. backer than that of ce3 +. however, the relif ability of rare earth to the stress of heavy metal was limited

    在狐尾藻葉片細胞超微結構水平上也能見到cr ~ （ 6 + ）的毒害作用在稀土元素la ~ （ 3 + ）的作用下得到緩解。
  11. 2 projects on rare earth thermometallurgy, including rare earth metal electrolysis, reduction and the production of rare earth silicon, iron and magnesium alloy, etc

    稀土火法冶金項目，包括金屬電解、還原和稀土硅鐵及鎂合金的生產等方面；
  12. Projects on rare earth thermometallurgy, including rare earth metal electrolysis, reduction and the production of rare earth silicon, iron and magnesium alloy, etc

    稀土火法冶金項目，包括金屬電解、還原和稀土硅鐵及鎂合金的生產等方面；
  13. Magnetic properties and spin density maps for rare earth - transition metal complexes : a density functional study

    密度泛函理論方法研究稀土-過渡金屬化合物的磁性和自旋密度圖
  14. Main products are w crucible, w electrode, w tube, w target, applying to rare earth metal extracting quartz glass. x - rary tuck. we can and shape according to users request

    主要產品有鎢坩堝、鎢電極、鎢筒、鎢靶、適用於稀土冶煉、石英玻璃行業、 x光管等，也可根據客戶要求，製作不同規格，形狀的鎢製品。
  15. 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。
  16. Rare - earth metal oxides determination of chlorine content - mercury sulphoeyanie - iron nitrate spectrophotometric method

    硝酸鐵分光光度法測定氯量
  17. The main products of the company are individual rare earth metal, mischmetal and rare earth metal wire and rod with different specification which are mainly used in rare earth steel, etc. the company also supplies all sorts of rare earth alloy and metal material for cast iron, non - ferrous metal, magnetism material, cathod mateial of ni - h battery and other hi - tech products

    公司主要產品有單一稀土金屬、混合稀土金屬及其主要用於各種稀土處理鋼中的不同規格的稀土金屬絲棒等，並為鑄鐵、有色金屬、磁性材料、鎳氫電池負極材料及其它高新技術產品提供所需的高質量的各種稀土合金和金屬材料。
  18. Yixing baodeng alloy co., ltd established in dec, 1998. we concentrates on the technic innovation, production, and trade of colourful mo product, automotive lighting material, rare earth metal, magnetic alloy and alloy used for electrician. in 2005 our turnover is more than rmb40million

    是一家致力於有色金屬鉬製品汽車照明工業材料稀土金屬稀土永磁合金材料電工合金材料的生產技術開發及貿易的高科技生產型企業，創建於
  19. Yixing baodeng alloy co., ltd established in dec, 1998. we concentrates on the technic innovation, production, and trade of colourful mo product, automotive lighting material, cold bending material, rare earth metal, magnetic alloy and alloy used for electrician. in 2005 our turnover is more than rmb40million

    是一家致力於有色金屬鉬製品汽車照明工業材料冷彎型材稀土金屬稀土永磁合金材料電工合金材料的生產技術開發及貿易的高科技生產型企業，創建於
  20. Inner mongolia baotou wanbao rare earth metal co., ltd the old name is baotou wanbao rare earth metal factory has been engaged in the production of rare earth metal by dry method from the middle of 1980s. it is one of the biggest companys that engage in the production of the rare earth metal and single rare earth metal in baotou zone, inner mongolia, china

    內蒙古包頭市萬寶稀土金屬有限公司原包頭市萬寶稀土金屬廠從80年代中期開始從事火法稀土金屬生產。是包頭市地區專門從事稀土金屬和單一稀土金屬生產最大的企業之一。經過近二十年的發展，總裝機容量已擴大到2000kva 。
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