查询词典 rare earth

With the addition amount of rare earth oxide increasing,the two exothermal peaks of AP came closer and finally merge into one strong peak with a great increase of decomposition heat.

不同稀土氧化物种类对高氯酸铵热分解的催化作用有一定的差异，轻稀土镨和钕的氧化物使分解峰表现为前弱后强的两个相连的峰，中稀土钐和钆的氧化物表现为单一的强峰，而重稀土铒和镱的氧化物表现为前强后弱的两个分立的放热峰。

It can be seen from their DTA curves that the addition of rare earth oxides could make the first exothermal peak of ammonium perchlorate hysteresised and the second exothermal peak advanced.

结果表明：所有稀土氧化物均能使高氯酸铵的第一放热峰滞后，而第二放热分解峰提前；随着稀土添加量的增加，两分解峰逐渐靠近，最终合并为一个分解放热峰，分解热也大大提高。

The practical synchronous generator designed with rare earth permanent magnetic material has notable advantages of small volume,lighter weight,excellent electric performance index,dusting and fording,energy saving; maintenance free ,high efficiency etc.

采用稀土永磁材料设计的实用型同步发电机，具有体积小、质量轻、电性能指标优良、防尘涉水、免维护、效率高、节能效果显著等优点，可广泛用于航空航天、国防、工农业生产和日常生活的各个领域。

Molecular sieve and solid acid of SO~(2-)_4/ZrO_2, ionic liquids, and rare earth perfluoro alkyl sulfosalts to formylate alkylbenzene by carbon monoxide to synthesize alkylbenzaldehyde was introduced.

介绍HCl-AlCl3、HF-BF3和CF3SO3H-SbF5等B-L复合酸，分子筛和固体酸，离子液体以及稀土全氟烷基磺酸盐作催化剂在烷基苯用CO甲酰化合成相应烷基苯甲醛工艺中的应用进展。

The developments and present situation of magneto-optical materials , especially about rare earth iron garnets, were reviewed.

本文以稀土铁石榴石为主，综述了磁光材料的发展和研究现状、着重介绍了在光通信器件中的应用。

Since its establishment 10 years, has the gold, platinum palladium, iron, manganese, copper, lead and zinc, bauxite, rare earth, coal, phosphorus, pyrite, glauberite, bentonite, asbestos, gypsum, quartz sandstone and limestone , Sand shale, granite, marble and building materials Bittern, mineral water, hot springs and many other items were assessed.

公司成立十年以来，已对金、铂钯、铁、锰、铜、铅锌、铝土、稀土、煤、磷、硫铁矿、钙芒硝、膨润土、石棉、石膏、石英砂岩、石灰石、砂泥岩、花岗石、大理石建材及盐卤、矿泉水、温泉等众多项目进行了评估。

The paper studied the application of rare earth element La in grafted watermelon production.

为稀土元素La在嫁接西瓜生产上的应用提供理论依据。

A series of studies by using X-ray monocrystal analysis as the main methods on rare earth complexes with p-amino acids, heteronuclear complexes with a-amino acids and some complexes with different ligands were reported in this paper.

本论文以单晶X-射线衍射为主要手段对β-氨基酸稀土配合物、α-氨基酸异核金属配合物和以α-氨基酸为混合配体的金属配合物进行了较为系统的研究。

At first, one kind of rare earth was pick out from four different types of material and the optimized interpolative quantity was ascertained.

论文首先对基础配方中添加的四类不同的稀土材料进行了种类筛选和最佳加入量的确定。

The experiment proves that as the method of the invention is adopted, the irradiancy of rare-earth ions can produce the reinforcement of order of magnitude, which can be compatible with the semiconductor industry; the invention has the advantages of convenient and rapid operation, low cost, mild preparation condition, good technique repeatability and obvious effect and can be fully applied to future silicon based photoelectron field.

实验证明，采用本发明的方法可以使稀土离子的发光产生数量级的增强，可以与半导体工业相兼容，具有操作方便、快捷、成本低廉、制备条件温和、工艺重复性好、效果明显等优点，完全可以应用于未来的硅基光电子领域。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。