...术研究Theory and Technology Research of 轨道交通用牵引电动机转子铜合金部件制备及其相关基础研究Preparation and Its Basic 电流变液力学性能研究Studies on Mechanical Property of Electrorheological Fluids ..
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The technological process and basic physical indexes of water soluble polyester sizing agent in experiment preparation are introduced. Its chemical structure characteristics are certified.
介绍了试验室制备水溶性聚酯浆料的工艺过程及其基本物理指标，并验证了其化学结构特征。
The basic principle, characteristic and its application of PCR in the preparation of target genes, medicine, forensic medicine, paleontology and ecology research are introduced in this paper.
本文综述了P CR技术的基本原理、特点及在目的基因制备、医学、法医学、古生物学及生态学中的应用。
The significance of developing basic magnesium hypochlorite, its preparation, character and application were stated.
论述了国内尚属空白的碱式次氯酸镁开发的意义及制备条件。
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