查询词典 graphite

First, different types of graphite being chosen as raw materials are pressed into dipolar plate, which was analyzed and compared.

首先，通过选取不同类型的石墨来改性酚醛树脂，压制成双极板，并对改性酚醛树脂制成的双极板性能作了分析和比较。

The dispersity of expanded graphite particles in the composite was researched by means of SEM.

并采用SEM法研究了膨胀石墨在复合材料中的分散状态。

The development of the lead free cutting brass containing bismuth and graphite/copper composite was summarized.It can be concluded that the key points for cutting brass containing no lead are the choices of elements which can form brittle but not hard intermetallics and procedure which can make the intermetallics distribute dispersively.

详细介绍国外无铅易切削铋黄铜研究开发的一些成果和石墨/铜合金复合材料的研究情况，总结国内无铅易切削铜合金的研究情况，结合自己的研究结果，指出无铅易切削铜合金的研究方向是采用适当的元素形成脆而不硬的金属间化合物，并采用一定的加工手段使其呈弥散分布。

It was revealed that they all had better electrocatalysis than graphite electrode.

研究表明，与石墨电极相比，金属/聚吡咯电极对电解析氢反应有较好的催化性能。

The primary produces are common negative carbon,half graphite negative carbon used for the electrolytical aluminium.

公司主要生产铝电解用普通阴极碳块、半石墨质阴极碳块、30%以上高石墨质阴极碳块、100%全石墨质阴极碳块和各种异型侧部碳块以及各种糊类制品等系列产品。

The invention relates to an electrochemical method for preparing ultra-fine tantalum powder, wherein it uses the mixture slat flux with CaCl2 or CaCl2 as electrolyte; composites Ta2O5 powder/block with metal collector as solid cathode; uses graphite or inertia anode as anode; uses reference polar to control the electrolysis level, under inertia gas to electrolyze at 500-1000Deg. C; and the electrolysis time should make electrolysis electricity reach needed amount; reduces Ta2O5 into ultra-fine metal tantalum powder.

本发明涉及一种超细钽粉的电化学制备方法，以CaCl2或者含有CaCl2的混盐熔体为电解质，将Ta2O5粉末或块与金属集流体复合作为固态阴极，以石墨或惰性阳极作为阳极，用参比电极控制电解电位在惰性气氛保护下进行电解，电解温度控制在500-1000℃，控制电解时间使电解电量到达到理论所需电量及以上，将五氧化二钽电化学还原为超细金属钽粉。

Cases of jet dyeing machine for bearings, graphite bearings, bushings bakelite, various models of the chain, supporting all types of mechanical bearings, stainless steel bearings, the specifications Eleusine indica scraping pulp knife, with the market model in urgent need of special specifications of goods.

例喷射染色机专用轴承，石墨轴承，胶木衬套，各种型号链条，各类机械配套轴承，不锈钢轴承，各规格牛筋刮浆刀，具备市场急需特殊规格型号商品。

The graphite and acetylene black are added to a anode material in making Zn-Mn battery, therefore the sample solution prepared appears as feculency and the titration end point of the solution is difficult to judge when active manganese in the battery is determined by iodimetry with starch as a indicator.

在测定锌锰干电池锰粉中活性二氧化锰含量时，由于制备电池时正极锰粉中添加了乙炔黑、石墨等导电材料，使制得的样品溶液显色且混浊，影响用淀粉作为指示剂进行碘量法滴定终点的判断。

According the research, by inducing TiC into conventional carbon/ graphite materials, their flexural strength increased 13.4%, compressive strength increased 38.1%, void ratio decreased 16.9% in respective. The reason of the performance improvement is as follows: TiC decomposed during the process and hence Ti accelerate the graphitize process, which can increase the mechanical performance of the carbon/ceramic composite materials.

从研究结果可以看出，TiC掺杂可使碳陶瓷复合材料的抗折强度提高13.4%，抗压强度提高38.1%，气孔率降低16.9%；其机理在於TiC掺杂在碳陶瓷复合材料制备过程中能促进碳陶瓷石墨化，使晶体更加完整、细化，有利於力学性能的提高。

In this paper, beginning with the characteristic of space structure of graphite, we explain its layer structure and choose lattice in a layer which is called hexangular lattice as our studied object.

本论文从石墨的空间结构特点出发，说明了其层状结构，并且把石墨一层内的晶格即六角格子作为研究对象。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。