查询词典 rare

The method of preparation heavy rare-earth carbonate crystal was expounded, which used ammonium bicarbonate to precipitate yttrium-based heavy rare-earth solution.

文章阐述了钇基重稀土溶液用碳酸氢氨沉淀得到晶型重稀土碳酸盐的方法。

Besides the Animal Living Fossil Giant Panda ,there are Plant Living Fossil Dove Tree,Insect Living Fossil David Cheloniidate and tens of Rare and Endangered Plants and National Conservative Plants including katsura tree ,Lacy tree philodendron,and Minjiang Chinese Weeping c、Cypress ,and hundreds of Rare Wild Protection Animals including Red Panda,Golden Monkey,and White-lipped Deer.

在雅安不仅有&动物活化石&大熊猫，更有&植物活化石&珙桐、&昆虫活化石&大卫两栖甲虫，以及连香树、光叶蕨、岷江柏木等数十种国家保护珍稀濒危植物，小熊猫、金丝猴、白唇鹿等近百种珍稀野生保护动物。

Inner Mongolia Rare nickel-hydrogen battery Bioko RE Transtech Services Limited is the holding of the Sino-US joint venture, registered capital of 32 million U.S. dollars, with an annual output of 7 million, or D-C-10 million nickel-hydrogen battery company Improve the management and technical research and development system, is currently China's largest rare earth nickel-hydrogen battery production enterprises.

内蒙古稀奥科镍氢动力电池有限公司是稀土高科控股的中美合资企业，注册资本为3200万美元，可年产700万只D型或1000万只C型镍氢动力电池；公司拥有完善的经营管理及技术研发体系，是目前国内最大的稀土镍氢动力电池生产企业。

Study on temperature field in rare earth electrolysis cell by finite element method;2. The numerical analysis method of temperature field in rare earth electrolysis cell of fluoride system was studied in this paper.

研究了氟化体系稀土电解槽温度场问题的数值模拟分析方法，采用有限元法计算了新的电解槽温度场，其分析结果，为新槽体的开发设计提供了参考依据。

The rare earth electrolysis cell is a main equipment to produce rare earth metals and its alloy by molten salt electrolysis method.

稀土电解槽是熔盐电解法生产稀土金属及其合金的主要设备。

In the electric field researched foundation, we had carried on the optimized design in using the ANSYS optimized module to the 3KA rare earth oxide electrolysis cell of the fluoride salt system , the design result parameter tallies with the actual rare earth electrolysis cell, the reliability of the optimized design result has been confirmed.

在电场研究的基础上，利用ANSYS的优化模块对3KA稀土氟盐体系氧化物电解槽进行优化设计，设计结果参数跟实际电解槽吻合，验证了优化设计的结果可靠性。

Through the processes of grinding bastnaesite ore concentrate, mixing the ore powder with NaCO3 in the ratio of 1 to 0.1-0.4, roasting the mixture at 400-800 deg.c for 1-6 hr, elution of the roasted sand with hot water to obtain NaF, drying filtered drag after eluting NaF and mixing the dried drag with ammonium chloride, roasting the mixture at 300-600 deg.c for 1-3 hr, hot water soaking to obtain rare earth chloride solution, extraction with 20% kerosine solution of naphthenic acid, and hydrochloric acid counter extraction to obtain rare earth chloride product.

本发明涉及一种氯化铵法从氟碳铈精矿提取氯化稀土的方法，首先将氟碳铈原精矿磨细，并与NaCO 3 混合，其比例为原矿∶NaCO 3 ＝1∶0.1～0.4，混合均匀后在400℃～800℃焙烧1～6小时，焙砂用热水洗出NaF，洗出NaF的滤渣干燥后与氯化铵混合，于300℃～600℃焙烧1～3小时，再用热水浸取得到氯化稀土溶液，用20％的环烷酸煤油液萃取，再采用盐酸反萃得到氯化稀土产品。

Statistics based on the List of Rare and Endangered P lants in China and the List of the Important Wild Plants fo r Conservation in China, there exists 95 rare and endangered species in Jiangxi Province .

综合《中国珍稀濒危保护植物名录》（第 1 册）和《国家重点保护野生植物名录》（第 1 批），江西省有珍稀濒危植物 95 种。

Rare is its lowliest seat, rare is its meanest of lives.

最低的座位是极其珍奇的，最生的生物也是世间少有的。

Rare is its lowliest seat, rare is its meanest of lives.

最低的座位是极其珍奇的，最生的生物也是世间少

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。