3) Biomass density
生物量密度
4) biofilm thickness
生物膜厚度
1.
Study on the effect of biofilm thickness on the treatment efficiency of phenol containing wastewater;
生物膜厚度影响含酚废水处理效果的研究
2.
The biofilm thickness in different layers of the su.
从基质生物膜量、生物膜厚度和脱氢酶活性等方面研究了以复合垂直流人工湿地中基质颗粒作为附着生长载体的生物膜的特性。
3.
The kinetics of bio-desulfurization is researched preliminarily in this paper, under experimental result the method to determine the biofilm thickness and zero order reaction rate constant are given.
本文对生物脱硫动力学进行了初步的探讨 ,在试验研究的基础上 ,给出了生物膜厚度的测定方法以及对零级反应速率常数k的确
5) aboveground biomass density
地上生物量密度
6) biomass carbon density
生物量碳密度
1.
Based on the consecutive forest resource inventory data,the biomass carbon density(BCD)of dark coniferous forests(DCF)in the upper reaches of Minjiang River was calculated by using biomass expansion factors(BEF)method and its variation with age class,elevation and aspects were also examined.
利用森林资源连续清查的样地数据,基于生物量与蓄积量之间的关系模型,估测岷江上游亚高山暗针叶林地上部分生物量碳密度、碳密度年增长率及其随林龄、海拔和坡向变化的分布规律。
2.
Based on field investigation and laboratory data,spatial distribution and temporal variations of biomass carbon density(BCD) in Pinus armandi forest ecosystem in Qinling Mountains were studied in this paper.
519 8之间,顺序为叶>根>干>枝>皮;华山松林生态系统的生物量碳密度为133。
3.
Based on data in a field investigation and laboratory analysis,the spatial distribution and temporal variations of biomass carbon density(BCD) in Pinus tabulaeformis forest ecosystem in the Qinling Mountains were studied.
结果表明:碳在油松各器官中的分配以树干所占比例最大,其次为树枝,树皮最小;不同器官生物量碳密度在0。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条