查询词典 bimetallic strip

The catalyst was applied to hydrogenateα-octene in normal temperature and pressure, the conversion ofα-octene was 98.6%, and the yield of octane was 63.1% by the bimetallic catalyst.

CTS-ACRPd用于常温常压下α-辛烯的催化氢化，并在催化氢化过程中添加Ni~(2+)，Ni~(2+)-pd双金属催化剂催化α-辛烯的加氢反应150 min时α-辛烯的转化率为98.6%，正辛烷产率63.1%。

The structures and stabilities of the ground-states for Cu13-nAgn clusters have been studied by Gupta model potential based on tight binding second moment approximation in combination with a genetic algorithm. It is found that the lowest energy structures of the pure clusters (n=0,13) are perfect icosahedron, and the structures for the bimetallic clusters (n=1～10) have stable structure which are slightly deformed with respect to the perfect icosahedron, The Cu atom prefers to occupy the center of the clusters with higher coordination numbers.

在混合团簇基态结构优化的遗传算法方案中增加了交换算子，结合Gupta紧束缚模型势研究了Cu13-nAgn团簇的最低能量结构，选择合适的交换和杂交概率，可有效地提高优化效率，优化结果表明，Cu13和Ag13是全对称的二十面体，n=1～10的混合团簇能形成稳定结构，其构型是在二十面体基础上发生畸变，Cu原子趋于处在团簇中心，随着Ag原子数目的增加，原子间的平均距离单调增加，团簇的结合能单调减小，Cu2Ag12和CuAg12只存在亚稳结构。

When the animal was intact, it could be made to tremble only when struck by a discharge from a Leyden jar, or when it was no longer living and was a part of a bimetallic circuit.

当动物是完整的时，只发抖可能被做出当从莱顿瓶被一个排出物撞上时，这不再是生活模式，并且是A 一条双金属的电路的部分。

The experimental results show great catalytic performance, and compared with monometallic catalysts, bimetallic catalysts exhibit more excellent photocatalytic reduction activity and selectivity.

实验结果证明光催化反应能快速且有效的降解硝酸盐，且负载复合金属之光催化剂比单金属拥有更高的催化活性及产氮气选择性。

Therefore, the axially chiral monometallic or bimetallic complexes could be formed by the chelation-induction concept upon complexing process of axially achiral ligands.

因此通过金属配位诱导，在配位基团上手性元素的影响下得到轴手性金属配合物。

It was found that the samples PVP-PdCl2-CdCl2 and PVP-PdCl2-HgCl2, compared with PVP-PdCl2, exhibited much higher catalytic activity and dechlorination selectivity, and the yields of the coupling by-products were obviously decreased. For example, when p-chloroaniline was used as substrate, the reaction time was shortened to 1/8, and the yield of dechlorination product was about 25 times as much as the original one, and when p-chlorotoluene was used as substrate, the yield of coupling by-product catalyzed by bimetallic catalyst was 1/390 of that catalyzed by monometallic catalyst.

与负载型单金属催化剂PVP-PdCl2相比， PVP-PdCl2-CdCl2和PVP-PdCl2-HgCl2对氯代芳烃脱氯有高得多的催化活性和脱氯选择性，且偶联副产物显著减少；以对氯苯胺为底物时，双金属催化下的反应时间缩短为单金属催化下的1/8，而脱氯产物收率提高25倍；底物为对氯甲苯时，双金属催化下的偶联副产物仅为单金属催化下的1/390。

However, the formation of metal chelation at one or two side of biphenyl resulted a pair of enantiomers of monometallic or bimetallic complexes. Moreover, if the coordinating groups have chiral element (e.g., chiral oxazolines), the diastereomeric metal complexes will be formed.

而且，如果配位基团上带有手性元素，它们跟金属配位后得到一对非对映异构体，由于手性元素的影响，形成这一对非对映异构体的能量是有差异的。

The tetraoxazoline ligands only afforded the-configuration whether monometallic and/or bimetallic palladium complexes were formed upon the complexing process. Using the chelation-induced axially chiral palladium complex as a catalyst, excellent catalytic activities and enantioselectivities in the Wacker- type cyclization of allylphenols with up to 99% ee were gained.

当它与钯离子配位后只得到了轴构型为S的单金属或双金属配合物，并将该配体应用于钯催化的邻烯丙基苯酚的Wacker-type环化反应中，获得了很好催化活性和高达99% ee。

After tiny amount of platinum was deposited onto the NPG substrate,not only the structure stability of NPG was greatly improved,but also the Pt-Au bimetallic catalysts displayed the better catalytic activity and the stronger poison resistance towards the electrooxidation of small or...

如在NPG基体再沉积微量的铂，不仅明显改善了NPG的结构稳定性，而且由于Pt、Au两组分之间的协同效应而使该催化剂对有机小分子的电催化氧化具有比纯铂更高的催化活性和更强的抗催化毒物能力。

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I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网