Boron has catalytic effect of graphitization.
硼具有催化石墨化作用。
The carbon nanostructures exhibit high surface area, high porosity, and high graphitization.
该碳纳米结构表现出高表面积、高孔隙率和高石墨化程度。
The presence of water is unfavorable to the graphitization (ordering) of carbonaceous matter.
高温高压条件下，水的存在不利于碳质物的石墨化(有序化)。
Bulk graphite was prepared from calcined coke and coal tar pitch precursors by hot pressing and graphitization.
用煅烧石油焦和煤沥青为基本原料，采用热压和石墨化工艺制备了几种纯石墨材料。
The graphitization apparatus and high temperature heat treatment are the key points in the manufacture of carbon fiber.
碳纤维石墨化的关键是石墨化设备和高温热处理技术。
A difficulty that the power of the transformer during the later period of graphitization is not enough exists long term.
石墨化炉用变压器后期输出功率不足，是长期困扰石墨化工序的难题。
Besides metamorphic grade, the nature of original rocks and the precursor of carbonaceous material may also influence graphitization.
除了变质程度以外，原岩的类型和碳的原始物质的种类也会影响碳的石墨化作用。
After the catalytic graphitization, the frictions of the samples with Boron and Iron are 0.27 and 0.28, but that of the blank sample is 0.71.
硼催化试样和铁催化试样经过催化石墨化后，摩擦系数较低，分别为0.27和0.28，而空白试样的摩擦系数为0.71。
The titanium of content less than0.10%has graphitization effect, it, however, will have carbide stabilization effect when its content is more than0.10%.
钛的质量分数低于0.10%时，显示石墨化作用；超过0.10%时则显示出稳定碳化物作用。
The effect of alloying element on the graphitization was analyzed on the basis of thermodynamics. Deformation can accelerate the rate of graphitization.
从热力学角度分析了元素对石墨化的影响，得出变形可促进石墨的形成。
The pyrogenic decomposition property, porosity and graphitization extent of petroleum coke were investigated by analyzing the petroleum coke raw material.
从分析石油焦原料着手，考察了其热解特性、孔隙率和石墨化程度。
An experimental study of the graphitization resistance of synthetic polycrystalline diamonds is reported in this paper, Two groups of specimens were chosen.
本文对常压高温下人造多晶金刚石的抗石墨化性能进行了实验研究。
The results show that the graphitization of the bent, HAZ and tee of the main steam pipeline stand is severe, and the relevant components should be replaced.
结果表明，该主蒸汽管道的弯头、焊缝热影响区和三通等部位石墨化严重，部分部件需要更换。
The effects of heat-treated temperature, the catalyst types and relevant content on carbon fiber catalytic graphitization are discussed in detail in this paper.
论述了催化剂种类、含量及石墨化温度三因素对碳纤维催化石墨化反应的影响。
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%。
Carbon foam is a novel thermal management material which is produced from mesophase pitch, and possesses high thermal conductivity after carbonization and graphitization.
具有高导热、低密度的新型高性能碳泡沫是最近发现的一种高新材料，它以中间相沥青为前驱体，然后发泡、碳化、石墨化制得。
The gold metallogeny is characterized by auriferous pyrite and occurred in the alternating layer of heavy-layer metasandstone, flaggy metasandstone and graphitization schist.
金矿化以含金黄铁矿为特征，产出于盖县组变质砂岩段厚层状变质砂岩、薄层状变质砂岩和石墨化片岩的互层带中， 矿体产状与地层一致；
The PAN based high modulus carbon fiber(HMCF) has been produced by high speed heating and continuous graphitization apparatus with the high frequency induction heating method.
采用高频感应快速加热连续石墨化装置，制备PAN基高模量炭纤维（HMCF）。
The results show that the fracture failure is the insufficient strength caused by pearlite graphitization. Material selection inappropriate is the main reason of pearlite graphitization.
结果表明，弹簧断裂的主要原因为珠光体石墨化导致强度不足，选材不当是发生珠光体石墨化的主要原因。
In comparison with the carbonized fibers, the carbon fibers after graphitization treatment display more perfect crystal orientation along the main surface of ribbon-shaped carbon fibers.
与炭化处理纤维相比，石墨化纤维晶体结构更加完整，沿纤维主表面的取向程度更高。
The changes of preferred orientation of PAN-based carbon fibers during continuous high temperature graphitization and hot stretching graphitization were investigated by X-ray diffraction (XRD).
利用XRD研究了PAN基碳纤维在连续高温石墨化和热牵伸石墨化过程中纤维内石墨微晶沿纤维轴择优取向性的变化。
Experimental results showed that the thermal conductivity and electrical conductivity improved, but bending strength decreased with increasing graphitization temperature by the same amount of si.
实验结果表明，对于掺硅组分相同的再结晶石墨，材料的导电、导热性能随着石墨化温度的升高而增强，但其力学性能却随之降低。
Graphitization experiments are carried out on PAN-based carbon fibers manufactured in China to prepare high modulus carbon fibers.
使用国产聚丙烯腈基碳纤维进行石墨化实验，制备高模量的碳纤维。
Graphitization experiments are carried out on PAN-based carbon fibers manufactured in China to prepare high modulus carbon fibers.
使用国产聚丙烯腈基碳纤维进行石墨化实验，制备高模量的碳纤维。
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