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.

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。

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The paper inhibitor was heavy premium grade art paper of 0.0095 inch (0.24mm) thickness.

文件抑制剂是沉重的保费级铜版纸的0.0095英寸(0.24毫米)厚度。

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Types ASPA-1 and ASPA-2 alumina-silica fiber paper are premium grade lightweight refractory material made from high-purity alumina-silica fibers formed into highly flexible sheets.

ASPA - 1型和aspa - 2型的氧化铝—氧化硅纤维纸是优质的轻质耐火材料，它们由高纯度的氧化铝—氧化硅纤维制造成高弹性的薄片状的。

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