查询词典 co-altitude

Compared with the unpromoted catalyst, the presence of BaO increased the initial activity and Co dispersion, but decreased the Co particle size.

氧化钡提高了Co/SiO2的初活性和钴的分散度，降低了钴的颗粒度；添加0.5%~1.5%氧化钡有利于提高Co/SiO2的稳定性。

The result indicated that the σ-AgFeO2 phases are the main att ribution to the surface oxygen property and CO oxidation activity of catalysts.M eanwhile,the Ag/Fe(1∶1)catalyst exhibited the highest reducibility and CO oxid ation activity among the other ratio of catalysts which resulted with the cr ystal of the σ-AgFeO2 in catalysts.

研究结果表明，催化剂上生成的σ-AgFeO2晶相结构对催化剂的表面氧性能及CO氧化反应贡献较大，同时发现，Ag/Fe(1∶1)催化剂的还原能力、氧脱附能力明显优于其他比例的催化剂，并与 CO氧化活性相对应。

The results show that dynamic leaching of heavy metals increases with decreasing pH values on the whole, but the relativity is not significant. The leaching concentration is negatively correlated with time. The calculation results show that the elements with the largest cumulative leaching amount are Fe, Mn, Zn and As, and those with the smallest amount are Pb, Sn, Hg and Cd. The elements with the highest stage lixiviating rate are Ni, Co, Cr, Mn, Cd and Cu, and that with the lowest rate is Fe. The elements with the highest values of cumulative lixiviating rate and cumulative lixiviating intensity are Cr, Mn, Co, Ni and Zn, and that with the lowest ones is Fe.

结果表明，重金属元素的动态浸出整体随pH值下降而升高，但相关性不明显，浸出浓度与时间整体上呈负相关关系；浸出总量效果较好的元素为Fe、Mn、Zn、As，较差的为Pb、Sn、Hg、Cd，其他元素中等；阶段浸出率较高的元素有Ni、Co、Cr、Mn、Cd、Cu，较低的元素有Fe，Sn、Zn介于中间水平；累积浸出率和累积浸出强度较高的元素有Cr、Mn、Co、Ni、Zn，较低的元素为Fe，Cu、Cd、Sn居于中间水平。

Secondly, by studying on the effect of metalized diamond on improving the composites bending strength, whose diamonds were coated by magnetron sputter Ti, Mo and TiN, electroless polyalloy Ni-Cr-P and Ni-W-P, molten salt coating Ti-Co-Cu, Cr-Ni-Cu and W-Cu-Co etc., some basic characteristics of ideal metalizing coating were presented. An original molten salt coating technology was also developed, and the coating equipment required is only a muffle oven and an alumina capsule, which is very suitable for tool factories in China.

其次，通过对磁控溅射镀Ti、Mo、TiN，化学镀Ni-Cr-P、Ni-W-P及熔盐沉积Ti-Co-Cu、Cr-Ni-Cu、W-Cu-Co等镀层对提高复合材料抗弯强度等方面的较系统的研究，提出了理想镀层应具备的几个基本特征；并针对我国金刚石工具厂家多、规模小的特点，创造性地开发出了一种不需要真空设备和保护气氛，只需要马弗炉和坩锅就可以进行镀膜的熔盐金属化技术。

Correlating the FT-IR results with the CO hydrogenation performance suggested that the linear CO might be mainly responsible for the formation of C2 oxygenates.

结合催化剂对CO加氢的催化性能，可以认为线式吸附的CO对生成q含氧化物有贡献。

Similar to Pt/Co multilayers, the PMA in the Co-Pt alloy film originates from the reduction of symmetry in the interface between magnetic and non-magnetic layers. Addition of a small amount of Ni in the Co-Pt alloy film leads to an obvious decrease in the Curie temperature, but the decreases in Kerr rotaion and PMA are quite limited. Furthermore, it promotes the growth of grains and roughens the film surface and thus enhances the coercivity of the film, which are of advantage for short-wavelength MO recording.

在Co-Pt合金薄膜中加入少量的Ni可促进晶粒生长、增加表面粗糙度、提高矫顽力，并且在不明显减弱垂直磁各向异性和极克尔角的情况下，能有效地降低居里温度，有利于短波长高密度磁光存储。

It can be proposed that the chargecompensation effect between Co~(2+) and Ti~(4+) ions in raw materials make them tendto co-occupy uniformly B site in perovskite both as the forms of +3 valence, which isresponsible for the lower temperature synthesis.

分析认为，原料中的Co~(2+)和Ti~(4+)离子通过电荷补偿作用(charge compensation effect，CCE)使二者均易于形成Co~(3+)和Ti~(3+)离子去共同占据ABO_3型钙钛矿结构的B位，这种电荷补偿作用导致样品具有较低的合成温度。

The TPD results with methanol, CO, CO〓 as adsorbates showed that in house catalysts had the suitable adsorption intensity, which resulted in their better methanol oxidation activity and stability.

以甲醇、CO和CO〓为吸附质的TPD结果表明，制备催化剂具有适宜的吸附强度，导致其具有较好的甲醇氧化活性和稳定性。

Fe-Co and Fe-Co particles have similar surface, which all consist of iron oxides rather than cobalt oxides. Borides can not be formed by the boron atoms from FeB alloy.

Fe-Co和Fe-Co超微粒子的表面结构很相似，都存在铁氧化物层，两种粒子表面都不存在钴氧化物。

The current decay of CO oxidation at Pt SPE gas sensing electrode in short time scale has been studied.

对短时间内Pt－SPE气敏电极上CO氧化电流的衰退现象的研究表明，Pt表面无CO吸附态情况下，衰退主要与电极阳极极化后Pt表面氧化程度加深有关；采用动电势扫描法可使电极对CO氧化的催化活性基本恢复，但随着电极的进一步极化，衰退仍会继续。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐