1950年美国大湖炭素公司首先发明了石油系针状焦。
Petroleum-based needle coke was first invented by American Great Lake Carbon Corporation in 1950.
为利用煤沥青制取针状焦原料提供了有参考价值的基础数据。
The basic data of making needle coke crude from coal pitch is provided.
研究了煤系针状焦原料煤沥青中间相的生成机理及成焦过程；
The paper compared and analyzed the micro structure differences of the coal base needle coke products produced with the different production techniques at home and abroad.
用交流阻抗法对PAN基碳纤维、石油焦、沥青焦、针状焦进行了嵌锂过程的研究。
Electrochemical intercalation of lithium into PAN based carbon fibers, petroleum coke, pitch coke and needle coke were studied by AC impedance method.
磁场的引入，使得针状焦的平均微晶尺寸降低、石墨化性能提高、致密度增大、透光率降低。
The introduction of the magnetic field made the average crystallite size of needle coke decrease, graphite-based performances improve, density increase and transmittance reduce.
针状焦的真密度强烈地影响着石墨电极的体积密度：真密度高的焦炭往往产生低密度的电极。
The real density of needle coke strongly influences the bulk density of graphite electrodes: a coke of high real density tends to yield low density rods.
研究了在针状焦生产过程中菲的动态及影响，结果表明：不同的工艺条件对菲含量有明显影响。
Phenanthrene dynamics and influence in production process of needle coke is studied, the result shows: different process conditions have obvious influence on phenanthrene content.
过滤后的油浆可作为炭黑针状焦、碳素纤维材料、增塑剂等产品的原料，最后对催化裂化油浆过滤技术进行了展望。
Catalytic cracking oil slurry after filtration separation can be used to manufacture carbon black, needle coke, carbon fibrous material, plasticizer and so on.
本文采用图像分析的方法，系统地研究了一种优等石墨电极中针状焦晶粒的取向与其在电极中的径向位置的依赖关系。
This paper reports a systematic study on the needle-coke grain orientation as a function of radial position of a premium grade graphite electrode using image analysis.
测定了几种国产原油中重油的结构，并对几个针状焦原料及其中间产物的结构进行了测定，为其原料选择提供了基础数据。
Structures of a few heavy ends from domestic etudes and some of thefeedstocks for needle coke manufacture and their intermediate are given.
辽河催化裂化澄清油中芳烃含量高、沥青质含量低、分子量分布窄，是生产针状焦的优质原料，但其所含的灰分对澄清油的加工利用有着较大影响。
Liaohe FCCDO is a better raw material to produce needle coke because it has a high content of aromatics, low content of asphalt and narrow distribution of molecular weight.
辽河催化裂化澄清油中芳烃含量高、沥青质含量低、分子量分布窄，是生产针状焦的优质原料，但其所含的灰分对澄清油的加工利用有着较大影响。
Liaohe FCCDO is a better raw material to produce needle coke because it has a high content of aromatics, low content of asphalt and narrow distribution of molecular weight.
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