ObjectiveTo analyze the relative similarity in species of Herba Dendrobii by the method of common and variant peak ratio in UV and dual-index sequence analysis.
目的采用共有峰率和变异峰率双指标序列法分析不同种石斛的相似性。
The mixing mechanism of dual-species gas in pipe is analyzed, and the effect of the purging velocity on the length of mixed region is numerically studied.
分析了管内二元气体的混合机理，对不同流速影响混合长度规律的三维数值模拟进行了研究。
The mixing mechanism of dual-species gas in pipe is analyzed, and the effect of the purging velocity on the length of mixed region is numerically studied.
分析了管内二元气体的混合机理，对不同流速影响混合长度规律的三维数值模拟进行了研究。
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