This paper discusses the operating characteristics of palladium catalyst and the purity standard and measuring etc. problems of hydrogen after the usage of palladium catalyst.
本文讨论把触媒的使用特性及使用后氢气纯度的标准、计量等问题。
The crystal shape, whiteness, purity of products are up to quality standard.
产品的晶型、白度和纯度等达到质量标准。
When we adopt the amount of settling matter as a checking standard, substrate purity 10%, we can have a highest yield rate.
当以下层沉淀物得率为考察指标时,底物纯度为10%时,大豆异黄酮得率最高。
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