查询词典 rare earth

Determination of total content of rare earth in rare earth drier and content of hydroxyl in solvent- free alkyd resin are introduced and then compared with the traditional methods.

介绍了稀土催干剂中总稀土含量和无溶剂醇酸树脂中羟基含量的测定，并和传统方法作了比较。

The method comprises steps: dissloving relative rare earth oxidant into nitrate to prepare rare- earth azotic acid solution, adding solid nitrate, boracic acid, citrate and urea according to proportion, mixing, calcinating with burning method and getting final product.

制备时，将相应的稀土氧化物溶于硝酸，配成稀土硝酸盐溶液，按计量比加入固体硝酸、硼酸、及柠檬酸与尿素，混合均匀，利用燃烧法灼烧，即得产品。

"In September 2008 around 99.9 percent purity cerium oxide is 18 yuan / kg, while the highest sold over the past 30 yuan / kg," said董森"high-tech electronics, laser, communications, superconducting materials, such as the need for Rare Earth, but China's rare-earth prices has not gone up, not their own pricing, it is a disadvantage."

"在2008年9月前后，纯度为99.9％的氧化铈为18元/公斤，而过去最高卖到30元/公斤，"董森华说，"高科技电子、激光、通讯、超导等材料都需要稀土，但中国的稀土价格并没有水涨船高，无法自己定价，很吃亏。"

We composed the active cyclostyle polymerand then inserted the rare-earth to the cyclostyle polymer by sol-gel method. Then weprepared the new type nanometer oganic rare-earth compounds.

我们设计合成了纳米稀土金属溶胶和活性模板聚合物，然后用溶胶-凝胶法在活性模板聚合物上导入纳米稀土金属化合物，进而制备了新型纳米有机稀土金属复合物。

The experimental results of cyclic operation indicate that, sulfuric acid concentration in feed solutions decreases and sulfuric acid concentration in dialyzate increases in the operational process, furthermore, rejection ratio of rare earth is very high, and DD can achieve the purpose of sulfuric acid separation from rare earth sulfate solutions.

循环式结果表明，渗析过程中，料液中硫酸浓度不断减小，而渗析液硫酸浓度不断增大，而且由于对稀土具有较高的截留率，扩散渗析法能达到硫酸与稀土有效分离的目的。

Rare earth mine tailing is the castoff in the course of producing rare earth.Some matter of the rare mine tailing can be extracted by rain eluviating,and turned into water to pollute the environment.

稀土尾矿是稀土的生产过程中形成的废弃物，其中很多物质都会在自然条件下如雨水淋溶而浸出，进入到水体中造成环境污染。

Some essential trace elements were reported to be involved in the normal bone metabolism. Nowadays rare earth elements are widely used in many fields and more and more rare earth elements enter the environment and food chains. They are enriched in bone and difficult to be excreted. Because the similarity between rare earth ions Ln(superscript 3+ and Ca(superscript 2+), they will intervene and regulate bone formation and remodeling.

骨骼的正常代谢涉及多种金属离子，随着稀土的应用，通过环境和经由食物链等渠道进入人体内的稀土量也有所增加，并且在骨组织中相对富集且难排出；由于稀土与钙离子的相似性，它们将干预和调控骨的形成与再造。

From the coupled simulation optimization result analysis, the 10KA drained cathode rare earth electrolysis cell may be used trying to produce in the rare earth electrolysis industry, the new direction for the new rare earth electrolysis cell structure research has been opened.

从仿真优化结果分析，该槽型可以用于稀土电解的工业试生产，这为新型稀土电解结构的研究开辟了新方向。

Part II. Synthesis, characterization and fluorescent properties of rare earthcomplexes of rutin Rare earth complexes of rutin have been synthesized by the reaction of rare earth chloride with rutin in alcohol solution (pH=7～8). The composition and thermal stability of the complexes were characterized by elemental analysis, molar conductivity, thermal analysis, IR, UV.

第二部分：稀土芦丁配合物的合成与表征及其荧光性质以稀土金属氯化物和芦丁为原料，在乙醇溶液中(pH=7～8)合成了6种稀土配合物，通过元素分析、IR、UV、热重-差热分析、摩尔电导率的测定对配合物进行了表征，确定了配合物的组成，分析了配合物的热稳定性和热分解行为。

Precious metal and rare metal reclaim use: Use at transferring the depart of metal and rare-earth element and rich collect; In rare earth at present mineral products is machined and Japan of respect of precious metal extraction has begun to apply.

贵重金属和稀有金属回收利用：用于过渡金属和稀土元素的分离和富集；目前在稀土矿产加工和贵金属提取方面日本已经开始应用。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了