石墨

Results showed that after the addition of graphite the friction coefficient of composites decreased and the wear resistance increased by 170 to 340 times.

结果表明，随着石墨的加入，复合材料的摩擦系数降低，磨损抗力提高170~340倍。

A model of friction coefficient of aluminum matrix hybrid composite was proposed.

建立了碳化硅、石墨颗粒混杂增强铝基复合材料的摩擦系数模型。

The field electron emission measurement indicates that this kind of film can be a new cold cathode material.

场致电子发射实验显示类石墨薄膜作为冷阴极电子材料具有潜在的应用价值。

A new method to reduce the contact resistance between metal current collector and graphite plate for PEMFC has been proposed.

建立一种降低质子交换膜燃料电池金属集流板与石墨单极板接触电阻的新方法。

Dipping colophony, nanometer graphite adding Density, which can avoid the leak of liquid and

浸渍树脂，纳米级石墨增加了密度，可以阻止液体和气体的渗漏。

In commensuration case, firstly carbon nanotube slides on graphite, then switches between sliding and rolling due to the periodic change of atomic configuration during the motion.

结果表明：在公度条件下，碳纳米管先在石墨基底上滑动，动能降低到一定值后出现翻转、滚动、滑动交替进行的现象。

In chapter seven, we study the conductance and local density of states of four kinds of L graphene nanoribbon.

在第七章中，研究了四种L型石墨纳米带的电导和局域态密度。

Comparison was carried out to the conductance of copper graphite material made with traditional method.

为了改善金属石墨电刷的滑动磨损性能，在其中添加少量的铅、锡等低熔点金属是常用的方法[1] 。

The influences of the two methods of MM and SI on the microstructure and the electrical properties were investigated by scanning electron microscopy and conductivity measurement. The results show that EG is easier to exfoliate into nanosheets using SI method than MM method, thus the latter have more outstanding conductibility.

运用电导率测试、SEM研究了MI和SI两种制备方法对复合材料的导电性能和形态结构的影响，发现插层作用和超声作用使得SI法较MI法更容易使EG剥离为纳米级厚度的石墨片，所以具有更佳的导电性能。

Conte's idea was to make a little graphite go a long way.

孔泰是个很有发明才华的军官，想到制造石墨不多而耐用的铅笔。

If you are committed to an education career, then the Master of Arts in Education from Ashford University is for you.

如果你是致力于教育事业，那么，艺术教育硕士学位阿什福德大学是给你的。

objective:to explore the expression of survivin protein and its mrna in rectal cancer and their clinic significance.

目的：研究凋亡抑制因子survivin蛋白及其mrna在直肠癌组织中的表达及其与临床病理关系。