用复合铸造及压铸法制备了石墨颗粒铝基复合材料。
The graphite particulate-aluminium matrix composites are developed by compocasting followed by pressure casting.
从球粒陨石的酸不溶残渣中分离出了携带有惰性气体同位素异常的金刚石、碳化硅和石墨颗粒。
The diamond, SiC and graphite grains with isotopic anomaly of noble gas are separated from original residue of chondrites.
基体中加入与铝合金基体电位不同、高体积分数的碳化硅和石墨颗粒增强材料，可能导致材料的耐蚀性降低。
Anticorrosion of aluminum material may decrease when it is reinforced using SiC and graphite particles with high volume fraction and potential different from substrate.
随着石墨颗粒含量从5%增加到20%，镁合金基复合材料的耐磨性得到明显的改善，磨损质量损失与摩擦系数都降低到较低水平。
With graphite particle content increasing from 5% to 20%, wear weight-loss and friction coefficient of the composites are obviously declined, greatly improving wear resistance of the composites.
频繁接触石墨的微小颗粒可能已使他的肺变得虚弱了。
Frequent contact with minute particles of graphite may have weakened his lungs.
目的：观察石墨碳纳米颗粒对体外培养细胞的生长增殖、细胞周期及凋亡的影响。
OBJECTIVE: to investigate the effects of graphite carbon nanoparticles on cell growth, cycle, and apoptosis in vitro.
我们正在寻求无定型石墨，要求碳粉含量达到90%，灰分含量低，颗粒直径达到20毫米。
We are looking for amorphous graphite with fixed carbon up t0 90% , low ash content, particle size diameter up to 20 mm.
综述了无机粉末如石墨粉末、陶瓷粉末、铝粉、金刚石颗粒、空心玻璃微球等材料的化学镀镍研究及发展趋势。
Electroless nickel plating process and its study trends on inorganic powder such as graphite powder, ceramic powder, aluminum powder, diamond, hollow glass microsphere were reviewed.
对有特殊要求的粉状，颗粒状物料的干燥。如：h p发泡剂、酒糟渣、轻质碳酸钙、活性白土、磁粉、石墨、药渣。
Dry powder granule raw materials which have special requirements to drying. for example: HP vesica nt lees light calcium carbonate active white earth magnetic powder graphite medical slag and so on.
用氮气吸附法和压汞法测量膨胀石墨（EG）的孔结构，用SEM观察EG颗粒间的孔隙结构和EG的孔隙率。
The pore structure of EG was measured by nitrogen adsorption and mercury porosimeter methods. The space around EG particle was observed by SEM and the porosity of EG was measured by pycnometer method.
碳颗粒包括非膨化石墨和膨化石墨二者的混合物。
The carbon particles include a blend of both non-expanded graphite and expanded graphite.
在相同工艺条件下，采用细颗粒配料方式的石墨力学性能更好；
The mixing techniques of small grain are related to the quality of a fine grain graphite.
结果表明：化学气相沉积炭，尤其是在高温沉积情况下，可明显提高细颗粒石墨材料的氧化性能，但对于粗颗粒石墨氧化性能的影响较小。
The results show that the chemical vapor deposited carbon can apparently improve the oxidation property of fine grain graphite, especially for high temperature deposition.
此外，在金刚石薄膜中还观察到存在于金刚石颗粒间的非金刚石型碳（C），即无定形碳及微晶石墨。
There was higher dislocations density in middle of diamond crystalline than that in baundary. Finally the non-diamond type carbon impurities was found between the diamond grains in the diam…
此外，在金刚石薄膜中还观察到存在于金刚石颗粒间的非金刚石型碳（C），即无定形碳及微晶石墨。
There was higher dislocations density in middle of diamond crystalline than that in baundary. Finally the non-diamond type carbon impurities was found between the diamond grains in the diamond fi…
这些小凹坑增添了金刚石颗粒的外表系数，成果使石墨化的速度加速。
These small pits cause an increase of the specific surface of diamond particles, which results in an acceleration of graphitization.
这些小凹坑增添了金刚石颗粒的外表系数，成果使石墨化的速度加速。
These small pits cause an increase of the specific surface of diamond particles, which results in an acceleration of graphitization.
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