bulk density是什么意思

网络释义

用法例句

Preference of Bemisia tabaci adults for cucumber leaf age and its relationship with offspring performance in terms of duration and survivorship were investigated in this experiment, and preference of whitefly adults was correlated to trichome density on leaves of different ages.

在室内采用笼罩和发育测定方法,研究了烟粉虱成虫对黄瓜叶龄的喜好性及其与后代生长发育、存活之间的关系,同时调查了叶毛密度与成虫喜好性之间的相关关系。

Analysis of genetic variation and combining ability of the density of glandular trichome of flue-cured tobacco;

烤烟腺毛密度的遗传变异及配合力效应分析

The Variation and Genetic Characteristics of the Density of Glandular Trichome and the Weight of the Exudates Per Unit Area on the Surface of Tobacco Leaf;

烟草叶面腺毛密度和分泌物量的变异与遗传特性