The results indicate that the content of carbon is about 90%, the degree of graphitization is 66% and the carbon of simple substance phase at the surface is 54%.
结果表明纳米石墨中碳含量为90%左右，石墨化度为66%，表面碳原子以碳单质状态存在的占54%。
Surface soil samples were collected in the deserts and Gobi regions of China. The carbonate content and carbon and oxygen isotopic composition were analyzed.
在中国的主要沙漠和戈壁等粉尘源区采集了地表沙或土壤（统称为表土）样品，分析了样品的碳酸盐含量和碳酸盐的碳氧同位素组成。
GDS testing results indicate the carbon content of the surface reaches 29.8%, the carbon content in the alloyed layer emerges in gradient distribution too.
辉光放电光电子谱仪（GDS）渗层成分检测结果表明表面含碳量可达29.8%，合金渗层的碳含量也呈梯度分布；
The results showed that the carbon content, pouring temperature and surface active elements have more effect on deformation and structure of the samples.
结果表明：碳含量、浇注温度及表面活性元素对试样的变形及组织均有较大影响。
The oxide content and surface acidic groups determine the surface chemical property of carbon black.
炭黑的氧含量、表面酸性含氧基团决定了炭黑的表面化学性质。
The non equilibrium carbon potential is defined as the carbon content of steel when the net carbon production rate at surface of steel vanishes.
非平衡气氛的碳势定义为：当渗碳反应在钢表面净产生的碳为零时碳钢表面的含碳量。
The obtained catalyst has high specific surface area, pore volume and content of the zero-valent iron; and the iron is uniformly distributed on the surface of carbon and has favorable stability.
得到的催化剂具有高比表面积、孔容和高零价铁含量，铁均匀分散在炭的表面并具有良好的稳定性。
The influence of carbon fiber cloth content, different surface treating methods and filler on the properties of PPScomposite is studied.
研究碳纤维布的含量、表面处理方法及填料等对聚苯硫醚复合材料性能的影响。
High carbon content of iron castings and defects of incompact structure and a great deal of sand holes on the surface of iron castings make it difficult for electroplating.
铸铁件含碳量高，结构疏松、表面有大量砂眼等缺陷，增加了电镀的难度。
The effects of the surface treatment and the content of carbon fiber on the mechanical properties of the carbon fiber reinforced MC (CFRMC) Nylon composite were studied.
考察了碳纤维的表面处理及加入量对碳纤维增强铸型(CFRMC)尼龙力学性能的影响。
The effects of the surface treatment and the content of carbon fiber on the mechanical properties of the carbon fiber reinforced MC (CFRMC) Nylon composite were studied.
考察了碳纤维的表面处理及加入量对碳纤维增强铸型(CFRMC)尼龙力学性能的影响。
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