片语

needle coke crude material针状焦原料

needle petroleum coke针状石油焦

Calcined Petroleum needle coke煅烧石油针状焦

petroleum based needle coke针状焦

super premium needle coke超级针焦

coal-based needle coke煤系针状焦

raw needle coke针状焦生焦

NEEDLE COKE CALCINATION MECHANISM针状焦煅烧机理

英汉例句

• it is generally difficult to produce needle coke by simply coking petroleum residue because the residue is an extremely complex feedstock with a wide molecular weight distribution.

  石油渣油的组成复杂，分子量分布宽，直接焦化不能生产针状焦。采用一定的预处理技术将渣油中适宜制备针状焦的组分保留，可获得理想的焦化原料。

• therefore in comparison with the quality of the overseas needle coke, the production technique and quality of the domestic coal base needle coke shall be developed and improved.

  因此相对于国外针状焦的质量，国内煤系针状焦的生产工艺和质量还需发展和提高。

• hydrogen storage properties of anthracite-based crystallitic carbon were better than needle coke and that crystallitic carbon made from sponge coke and activated carbon.

  无烟煤基微晶碳和乙炔热解沉积碳的储氢性能要比海绵焦基微晶碳、针状焦和活性炭基微晶碳好。

• needle coke is a new material, which is developed accompanying by research of carbon mesophase theory.

  针状焦是一种新型炭材料，它是随着炭质中间相理论的研究而发展起来的。

• after adding the magnetic field, the electrochemical activity of needle coke increased. process of the electrode reaction changed from diffusion into the electrochemical control.

  添加了磁场后，其电化学活性有所增加，电极反应过程由扩散控制变为电化学控制。

• besides, it presents researching methods and applying fields of needle coke and provides some views in developing outlooks.

  此外，还对针状焦的研究手段、应用领域进行了介绍，并对其发展方向提出了几点看法。

• the mesophase transformation and process for producing needle coke from daqing thermal tar were investigated.

  以大庆热裂化渣油为原料进行了中间相转化和针状焦工艺的研究。

• needle coke is a new material, which is developed accompanying by research of carbon mesophase. the theory is carbonization of liquid phase.

  针状焦是一种新型炭材料，它是随着炭质中间相的研究而发展起来的，其理论基础是液相炭化理论。

• 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.

  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。

• petroleum-based needle coke was first invented by american great lake carbon corporation in 1950.

  1950年美国大湖炭素公司首先发明了石油系针状焦。

• 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.

  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；

• phenanthrene dynamics and influence in production process of needle coke is studied, the result shows: different process conditions have obvious influence on phenanthrene content.

  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。

• 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。

• the introduction of the magnetic field made the average crystallite size of needle coke decrease, graphite-based performances improve, density increase and transmittance reduce.

  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 formation mechanism, production technology and feedstock selection of needle coke were discussed.

  主要探讨了针状焦的生产原理、生产技术及相应的原料选择。

• the basic data of making needle coke crude from coal pitch is provided.

  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。

• currently, coal-based needle coke can be produced only in japan.

  目前全球只有日本能生产优质煤系针状焦。

• the development history, mechanism, materials, types, performance index and appraisement, mail questions in industry and new research progress of needle coke are reviewed.

  本文综述了针状焦的发展历程、成焦机理、原料和种类、性能指标和评价、工业生产主要问题以及研究新进展。

• electrochemical intercalation of lithium into pan based carbon fibers, petroleum coke, pitch coke and needle coke were studied by ac impedance method.

  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。