查询词典 ru

It is showed that the properties of CMK-3 mesoporous carbon molecular sieve synthesized by hard template method have great influence on Ru dispersion. Higher specific surface area and appropriate pore size distribution is advantageous for sufficient dispersion of Ru on the supports.

采用固相热分解方法成功的合成了介孔氧化铬材料，考察了反应的温度、反应时间、前驱体和表面活性剂配比以及表面活性剂的种类等制备条件对纳米介孔氧化铬材料结构性能的影响。

The main results are as follows: 1 Taking advantage of the porosity and being carrier of anodic alumina, we reported the luminescence of Eu , dye Ru L〓X〓 Ru (Ⅱ(4, 4'-dicarboxyl-2, 2'-bipyridyl)〓〓, and silica gel film anchored porous anodic alumina prepared by self-assembling and deposition.

主要内容如下： 1 利用多孔氧化铝非常高的孔隙率以及它作为载体的优点，采用自组装及沉积的方法将稀土Eu离子、凝胶和有机染料镶嵌于其中，研究了多孔氧化铝复合材料的光致发光。

The most significant improvement was obtained upon introducing Co(superscript 2+) as a modifier. The yield of crotyl alchol reached 5.5%, however the activity lowered from 150.4 mol CAL/mol Ru·h to 96.7 mol CAL/mol Ru·h.

尤其是经Co(上标 2+)修饰后，巴豆醇的最高产率为5.5%，而催化活性由150.4 mol巴豆醛／mol Ru·h降至96.7 mol巴豆醛／mol Ru·h。

Both catalytic activity and selectivity of Ru(PPh_3)_3Cl_2 were improved in ionic liquid BMImPF_6/DME medium.The conversion of hexene and selectivity ofβ-adduct for the hydrosilylation reaction of 1-hexene with triethoxysilane catalyzed by Ru(PPh_3)_3Cl_2 in ionic liquid BMImPF_6DME (V/V=1/4) medium at 90℃were 100% and 89.0%,respectively.

实验结果表明，在乙二醇二甲醚/离子液体1-丁基-3-甲基咪唑六氟磷酸盐(BMImBF_6)(V/V =1/4)介质中，于90℃下，己烯与三乙氧基硅烷反应的转化率为100%，β加成物的选择性可达89.0%，而用Rh(PPh_3)_3Cl作为反应的催化剂，在纯离子液体BMImPF_6中，就可以高效催化烯烃与三乙氧基氢硅烷的加成反应，过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化剂/离子液体BMImPF_6催化体系，不仅解决了产物与催化剂分离困难这一难题，同时，离子液体BMImPF_6的存在提高了过渡金属Rh(PPh_3)_3Cl，Ru(PPh_3)_3Cl_2催化硅氢加成反应的活性，特别是β加成物的选择性。

In this project, a series of novel polypyridine ligands and their ruthenium complexes were synthesized. The scope of this work is focused on the construction of multinuclear complexes, the controlling of electron and energy transfer in polynuclear complexes, NLO materials and molecular recognition, The results should be of value in further understanding the properties of the Ru complex, as well as laying the foundation for the rational design of Molecular devices based on Ru complexes.

本课题的主要目的是应用化学手段，设计合成出一系列结构新颖的多吡啶配体及其钌配合物，在多核配合物的构筑、电子和能量转移调控、非线性光学材料和分子识别等方面进行重点研究，旨在进一步丰富和发展钌多吡啶配合物化学。

If that day-ru Wang him a look back, and if the return-to say, RU I love you, it will be this really the outcome of the margin of error if the feedback will become fate of people, and Predestiny no issue too much, but Predestiny out相守acquaintance, a defective love Although not perfect, but adequate recalled.

如果那天茹回头望他一眼，而伟如果返回去说，茹我爱你，那结局还会这样吗错失的缘如果有份一定会成为有缘份的人，而有缘无份的太多了，有缘相识却无缘相守，残缺有恋情虽说不完美，但也足够回忆了。

Trace Ru could sensitively catalyze the fading reaction of chlorosulphophenol azo rhodanine with KClO3 in H2SO4 medium in water bath at 85 ℃, and the fading level was in direct proportion to Ru in certain content range. Based on this, a novel determination method of trace ruthenium was established by catalytic kinetic spectrophotometry.

H2SO4介质中，水浴85℃条件下，痕量Ru能灵敏地催化KClO3氧化氯磺酚偶氮罗丹宁的褪色反应，且褪色程度与钌含量在一定范围内成正比，据此建立了催化动力学光度法测定痕量钌的新方法。

In chapter 1, the progress in study of the ruthenium complex oxides. especially the coexistance of magnetism and superconductivity in 〓 and 〓 are introduced. The introduction makes conclusion that all of the Ru-1212 and Ru-1222 compounds reported are accompanied by small amounts of SrRuO〓 impurities, this is to say that, it is difficult to synthesize pure samples of these two compounds by traditional solid state reaction. So the author think that the studies for new synthesis methods of ruthenate superconductors which is beneficial to the synthesis of new type precious metals superconductivity is very important till now.

第一章重点综述了钌系复合氧化物的研究进展，特别是其中超导电性的发现及其钌系1212、1222相铜氧化物超导电性和铁磁性共存的特征，在此基础上可以看出，至今文献报道所获得的Ru-1212和Ru-1222相化合物都含有少量的SrRuO〓杂相，即很难通过原有的固相反应方法得到纯相化合物，由此作者提出，现有钌系超导氧化物合成的新方法研究仍具有重要的现实意义，这也将更有利于探索合成新型贵金属超导体。

The phenomenon of MC concentrated around the thrombosed vessels occurs after PTE. Maintaining the duration of a certain ru-PA concentration in blood is contribute to MC concentration around the thrombosed vessels, thrombolysis and repair induce by ru-PA after PTE.

PTE血管栓塞处有MC聚集现象；维持ru-PA在血中一定浓度的持续时间，促进MC聚集于栓塞血管部位，该时间越长，趋化MC向栓塞处迁移、聚集越多，并加强ru-PA的溶栓效果。

The influence of plasma treatment on phase of catalysts, redox properties and catalytic activities were investigated. In Ni-Ru/ZnO bimetallic catalysts Ni-Ru alloy maybe formed in the catalysts and the reduction of ruthenium oxide enhanced reduction of nickel oxide.

本文还初步研究了等离子体处理制备Ni基催化剂在乙醇水蒸气重整制氢中的应用，考察了等离子体处理对催化剂的晶相，还原能力以及催化活性的影响。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。