1) root biomass concentration
生物量集度
2) biomass concentration
生物量浓度
1.
A method and a device were developed to monitor biomass concentrations on line and in situ in a fermentation process.
微生物的存在会改变发酵液的电特性 ,发酵液在无线电频率范围内的电容率增量是测量频率和生物量浓度的函数 。
2.
The light absorption and scattering are related to the light distance and incidence energy,and the change of the biomass concentration makes the changes of the light absorption and scattering,and leads to the change of the receiving energy.
建立了一种新的生物量浓度测量方法,并对传感器的设计进行了研究,介绍了传感器的组成原理、光路、理论分析和相关实验。
3.
Aimed at detecting the biomass concentration in process of biochemical reaction on-line,the research,from physical phenomena of light reflecting,finds that the energy of reflecting light,on interface of two kinds of mediums,is related with several factors.
研究表明,生物量浓度的变化会引起溶液的折射率变化,从而导致反射光能量的变化。
3) Biomass density
生物量密度
4) aboveground biomass density
地上生物量密度
5) 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：生物量
分子式：
CAS号：
性质：就是一个群体活质（如称活性物质，例如活的细胞等等）的质量。通常是以在该群体所赖以生存的单位面积或单位体积的栖息场所中所含的活质的干质量来表示，例如g/cm2或g/L等等。
CAS号：
性质：就是一个群体活质（如称活性物质，例如活的细胞等等）的质量。通常是以在该群体所赖以生存的单位面积或单位体积的栖息场所中所含的活质的干质量来表示，例如g/cm2或g/L等等。
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