助焊剂的分类及基础知识 一．助焊剂分类(Flux Classification) 助焊剂分类是基于其活性和成分(它决定活性)。而助焊剂活性又是其除去表面污物有效性的指标。
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Classification, work principle and performance of various air compressor, choice principle of air compressor are introduced in the paper. And how to determine flux and pressure is discussed.
介绍了各种空压机的分类和工作原理及其性能特点和空压机的选用原则。并且讨论了如何确定空压机的流量和压力。
AIM: To observe the alteration of gene expression of depression rat models by gene chips of high flux, and explore the pathogenesis of depression combining with classification system of gene function.
目的：采用高通量基因芯片观察大鼠抑郁症模型基因表达的变化，结合基因功能分类体系探讨抑郁症的发病机制。
The operation principle of the transverse flux permanent motor, classification, characteristics and the developing situation have been introduced by the paper.
文章详细介绍了横向磁场永磁电机的工作原理。
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