石墨

By means of SEM , the surface of coated graphite is investigated,showing that graphite has been coated by aluminum hydroxide evenly

通过SEM对石墨试样的表面形貌观察表明，改性石墨表面均匀地包覆了一层Al 3。

The results show that in Cu/Copper-coated graphite composite,the volume density and the electrical conductivity decreased with the increasing of copper-copper-coated graphite,while the graphite in it is fairly well-distributed and the copper helps to form the three dimensional net-shape,thus making the composite have better electrical conductivity than the c...

结果表明，随镀铜石墨含量的增加，铜-镀铜石墨复合材料的密度和导电性降低，但其组织中石墨分布更均匀，并且铜有利于构成三维网状，使该复合材料具有更好的导电性。

The preparation of the low expansion graphite intercalated compound and the selection or development of the catalyser were involved in the research.

在国内外首次研究成功以无硫低倍膨胀石墨层间物为原料合成氟化膨胀石墨和低温催化合成氟化石墨新技术。

Amorphous graphite is widely used in making pencils, welding rods, graghite emulsions, desulphurizing agents, lubricants, carbon rode in the batter ycoating in casting, refractory, colourant, paint , electrode compund.

微晶石墨广泛应用于铅笔、电池、焊条、石墨乳剂、脱硫剂、防腐剂、润滑剂、冶炼增碳剂、注锭保护渣、石墨轴承等作配料；用于电池炭棒、铸造材料、耐火材料、染料、颜料、电极糊等作原料。

A finite element model of half drained aluminum reduction cell in gas preheating process was developed by software ANSYS.

以有限元分析软件ANSYS为平台，建立导流槽半槽有限元模型，对普通炭块、半石墨质、半石墨化和石墨化4种阴极炭块在燃气预热过程中的温度、位移与热应力分布进行数值模拟研究。

Machine —— Gasket Cutting Machine, Common Spiral Machine, Numerical Control Spiral Maching Machine, No Core Spiral Making Machine, Metal ring rolling machine(make big size rings for spiral wond gasket), Metal Ring Notch Milling Machine spiral wound gasket rings kerve and angle

机器——垫片切割机，普通缠绕机，数控缠绕机，无芯模缠绕机，金属盘环机，金属环铣槽机，钢带成型机，垫片包边机☆盘根——膨胀石墨盘根碳化纤维盘根芳纶盘根碳纤维石墨盘根碳纤维四角，膨胀石墨混编盘根

Then, we disperse it in polymer matrix to form nanometre compound system, in order to prepare polymer nanometre compound conductive material.

通过将石墨加工成纳米石墨薄片，并将纳米石墨薄片分散于聚合物基体中形成纳米复合体系，制备聚合物纳米复合导电材料。

The self-lubricanting coating of nickel-coated graphite was prepared by oxygen-acetylene flame spraying technology and its friction and wear properties at room temperature were studied in a ball on disk test rig.

选用镍包石墨粉末，采用氧-乙炔火焰喷涂技术制备镍包石墨自润滑涂层，在球-盘摩擦磨损试验机上探讨了室温条件下镍包石墨自润滑涂层的摩擦磨损性能。

5Mm and perchloric acid with various concentration ranging from 20%-72% were used as host material and oxidating/intercalating agents respectively to fabricate expanded graphite by direct thermooxidative conversion method.

以粒径约0.5mm的天然鳞片石墨为宿主材料，以高氯酸液为氧化、插层剂，通过简单的酸液浸泡法直接热氧化转化天然鳞片石墨为膨胀石墨。

The effects of expanded volume and thickness of EG on volume resistance and contact resistance were investigated.

考察了膨胀石墨的膨胀体积、膨胀石墨层厚度等因素对膨胀石墨改性复合板的接触电阻和体积电阻的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。