主要组成部分 [统计] key component ; Major components ; part and parcel ; chief component
付立叶主组分回归法 principal component regression in the fourier domain
主要组分 chief constituents ; essential constituent ; essential component ; chief component
词的主要组成部分 root
主动分组 ActivePacket
主要化学组分 Chemical component ; main chemical constituent ; Main chemical component
主要有用组分 essential useful component
分组主任 Operation Officer
目的建立一种适用于硫氰酸红霉素相关物质分析及主组分含量测定的质控分析方法。
OBJECTIVE To develop a method for the determination of erythromycin thiocyanate and its related substances by RP-HPLC, and investigate the influence factors on chromatographic parameters.
方法：制霉素甘油在不同光线及温度条件下放置，定时取样，采用HPL C法测定制霉素中三个主组分的含量。
METHOD: the contents of the three ingredients of nystatin glycerol after stored at different light and temperature were determined by HPLC.
从土壤-地下水主组分的垂向变化及其动态分析，它们反映了所处的河流微地貌部位、气候和人为措施等的影响，并遵循着地球化学组分的迁移规律。
The dynamics of the vertical variations for main component in the soil groundwater reflects the influences of landform, climate, man made measures and the migration law of geochemical components.
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