Classification, varieties, simple synthesis process and application of cationic softeners were introduced.
介绍了阳离子柔软剂的分类、品种、简单合成方法及应用。
This paper summarized classification, functions, varieties of colorant and factors affecting coloration of salmon and bulltrout.
本文阐述了着色剂的分类及作用、着色剂种类的选择及影响鲑鳟鱼着色效果的因素。
The researches about the classification and identification of their species and varieties have provided an early, subservient and selective index for breeding work.
其种间或品种间的分类鉴定和亲缘关系的研究为育种工作提供了一个早期的、辅助的、选择性的指标。
The result of the R cluster analysis is that the most varieties of M halliana which is used in the study of the classification of appearance are independence and stability.
R型聚类分析结果表明垂丝海棠品种用于形态分类学研究的多数性状具有相对独立性和稳定性。
A quantitative classification study on the 20 species, 3 subspecies and 2 varieties of Buxus L. from China was carried out by meas of system cluster method.
本文采用系统聚类分析方法对中国黄杨属植物20种、3亚种和2变种进行了分类学研究。
A quantitative classification study on the 20 species, 3 subspecies and 2 varieties of Buxus L. from China was carried out by meas of system cluster method.
本文采用系统聚类分析方法对中国黄杨属植物20种、3亚种和2变种进行了分类学研究。
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