查询词典 cobalt

STELLITE -- Cobalt base alloy, one of the best all-purpose hard facing alloys.

钨铬钴合金--钴基合金，一种最好的多用途坚硬表面的合金。

The Company are the production of forged steel valve series of professional firms, using international standards and national standards, a modern scientific management as the goal, actively introduce advanced technology and equipment, the use of CNC machining to ensure accuracy and interchangeability Products , valve sealing the introduction of automatic welding equipment and high temperature wear-resistant cobalt-base Stellite hard alloy material, the valve can be assured that the main components and quality of physical and chemical properties.

本公司是生产锻钢系列阀门的专业公司，采用国际标准和各国家标准，以现代化科学管理为目标，积极引进国内外先进技术和设备，采用数控机床加工，确保产品精度与互换性，阀门密封采用自动堆焊设备和耐磨高温的司太钴基硬质合金材料，确实保证阀门主要零件的理化性能和质量。

The surface morphology was observed by means of SEM. The EDX results show that the coating's sulphur content increase and cobalt content decrease with the sulphourea concentration increasing. A gradient structure with solphur content increase from inside to outside was formed.

用SEM观察镀层表面形貌，面能谱测试镀层的结果表明，随着镀液中硫脲浓度的升高，镀层中S元素的含量逐渐提高，钴元素的含量逐渐降低，镀层由内到外形成了S元素含量不断增加的梯度结构。

The observed enthalpy changes for above compounds, and measured cobalt-carbon bond dissociation energies, fall within the expected range of 80-180kJ/mol consistent with that from thermolytic kinetic and thermodynaminc equilibrium measurements.

值得注意的是，我们所得的〓的Co-C键离解能为176 kJ／mol，这是目前为止辅酶〓及其模型化合物中精确测定的Co—C键离解能最大值。

Preparation of o toluic acid from o xylene over cobalt naphthenate catalyst in the presence ofair in liquid phase oxidation is presented.

对采用空气作氧化剂，环烷酸钴作催化剂，由邻二甲苯液相氧化制备邻甲基苯甲酸的反应条件，在中型半连续鼓泡床反应器上，评价了反应温度、反应压力、空气流量以及反应时间对产物邻甲基苯甲酸单程质量收率的影响。

A method of preparing o - toluic acid from o - xylene with air as oxidiaing agent, cobalt naphthenate as catalyst by liquid - phase oxidation was introduced.

介绍了采用空气作氧化剂、环烷酸钴作催化剂，由邻二甲苯液相氧化制备邻甲苯甲酸的方法。

The optical system adopts special design and you can change the light filter simply, then the instrument can be used in other element"s analysis besides Cobalt. The design of instrument"s appearance adopts trapeziform framework, which looks beauty and is convenient in using.The instrument cannot only be used in on-line analysis but also be used in off-line analysis.

接着介绍了光路部分，其光路部分的独特设计可以通过简单的更换滤光片而将该仪器用于钴以外的其它元素的分析，最后在仪器的外观设计上提出梯形结构，将该仪器的四个部分结合为一个整体，具有美观实用、方便操作的特点。

Two novel tridentate polypyridyl mixed-ligand cobalt [Co(H2Bzimpy)]3+ and ruthenium complexes were synthesized and characterized via elemental analysis and 1H NMR. The crystal structure of complex B was determined.

合成了两种新型三齿多吡啶钴 [Co(H2Bzimpy)]3+和钌混配配合物，用元素分析和1H NMR等对其结构进行了表征，测定了配合物B的晶体结构。

Two novel tridentate polypyridyl mixed-ligand cobalt [Co (H2Bzimpy)(superscript 3+)] and ruthenium complexes were synthesized and characterized via elemental analysis and (superscript 1)H NMR. The crystal structure of complex B was determined. The interactions between the complexes and calf thymus DNA were investigated with absorption and fluorescence spectroscopys. Photoactivated cleavage of pBR322DNA by the synthesized complexes were studied.

合成了两种新型三齿多吡啶钴[Co(H2Bzimpy)](上标 3+)和钌混配配合物，用元素分析和1HNMR等对其结构进行了表征，测定了配合物B的晶体结构用电子吸收光谱和荧光光谱等方法研究了配合物与小牛胸腺DNA的相互作用以及配合物对pBR322DNA的断裂作用。

Because the BPE molecule is long enough to eliminate the interlayered antiferromagnetic interaction, B2 become ferrimagnatic based on the faced-shared trimeric cobalt units below 20K.

因为BPE分子够长足以消除无机层间的反铁磁作用，使得化合物B2显现无机层的氧铁磁性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。