检测纯度的标准 criteria for checking purity ; criteria a for checking purity
指用于检测质量的标准 criteria
裂纹检测的参考标准 Crackle Test References
检测的模式标准差 Pattern Standard Deviation
结论建立一套以小鼠为试验对象，以霍恩法和限量法相结合的土肥急性毒性检测的标准方法。
Conclusion Established a standard method of acute oral toxicity for soil fertilizer through the acute health lesion of mouse, which was detected by Horn's and limited dose method.
以G级水泥为例阐述了油井水泥质量检测的标准，讨论了水泥化学组成、熟料矿物组成及物理性能对水泥浆工程性能的影响。
The paper tries to explain the standards with Grade G cement as an example, and discusses the influence of chemical and mineral composition and physical characteristics on cement slurry performance.
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