The FCC catalyst which took HAY zeolite as active component got a good result in the heavy oil cracking test.
由该分子筛制备的FCC催化剂用于重油裂解试验，取得良好结果。
In this paper, the principle and application of the Japanese MR-100W type welding restraint cracking test machine was introduced.
文中介绍了从日本引进的MR - 100 W型焊接拘束裂纹试验机的原理及使用性能和应用实例。
On the basis of the principles and structures of the cold cracking implant testing machine, the study on the implant equipment of reheat cracking test is reviewed in this paper.
在深入分析冷裂纹插销试验机的原理和结构的基础上，本文进行了插销式再热裂纹试验装置的研究工作。
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