查询词典 graphite

Because alloy cast iron is made of 15 ~ 25% cementite,5 - 10% pellet~shaped graphite, pearlitic matrix.

这是因为合金铸铁的材质是由？5-25％渗碳体、5—10％球状石墨、珠光体基体所组成。

The acceleration of cementite decomposition and the transformation of ferrite result from the increase of graphite nucleation rate by electropulsing.

脉冲电流处理后石墨形核率的增加是加速渗碳体分解和铁素体转变的主要原因。

Methods The blood samples were treated with HNO3 and the blood allumin was removed centrifugally. The content of aluminum was determined by Zeeman Graphite Furnace Atomic Absorption Spectrometry.

血样经HNO3浸出离心去蛋白处理，采用塞曼石墨炉原子吸收光谱法测定铝元素含量。

Firstly, the preparation and characterization of graphite oxide have been discussed.

首先，本文论述了氧化石墨的制备和表征。

According to the crystal structure of the n=1, 2 and 5 compounds, the structural principle of this family was proposed, which is based on alternate stacking of close-packed arrays and graphite-like sheets.

n=2和5化合物中的La也可以部分被其它稀土离子所取代，但相对于n=1化合物而言要困难一些，其中的La只能部分被取代，即使Nd和Sm也不能完全取代形成这两种结构类型的化合物。

The coacervate particle of carbon black consists of lied graphite layers.

炭黑原生粒子是由同心石墨层排列组成。

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 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。

John Robbins lives with his family in Santa Cruz, California.

约翰罗宾和家人居住在加利福尼亚州的圣克鲁斯县。

The international background is mainly the economic ties among different nations tented to be widen and deepen at the peace and development times.

国际背景主要是和平与发展时代条件下的世界各国经济贸易联系的日益加深。