Methods of testing China uplands cotton fibre fineness and maturity coefficient rapidly by constant pressure airometer is discussed.
对采用定压式气流仪快速测定我国陆地棉纤维细度和成熟度系数的方法进行了探讨。
The article analyses the testing method of vegetable fibre fineness;
本文分析了植物纤维的细度检验方法；
The test studied the effects of expanding admixtures of various additive rates and fineness on HPC. The testing result shows that finer expanding …
试验研究了不同掺量和不同细度的膨胀剂对高性能混凝土的影响。
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