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- biomass carbon density 生物量碳密度
- The microbial biomass carbon is linearly correlated with carbon availability in the Calamagrostis angustifolia soil. 大于10%25以后就几乎没有影响了.;微生物生物量碳与碳的可利用指数也存在较为显著的正相关关系
- The results showed that microbial biomass carbon were significantly higher in RS and PM treatment compared to the CF or CK (P<0.05). 发现施秸秆(RS)和施厩肥(PM)处理的微生物生物量C明显高于不施肥(CK)和施化肥(CF)处理(P<0.;05)。
- The East China belongs to the area of the high value (over (3t/hm~2)) and the agropastural ecotone in North China has the low value of carbon density which is less than (1t/hm~2). 农田C密度高值区主要分布在我国东部地区且多>3t/hm2;低值区主要分布在我国北方农牧交错带地区且普遍<1t/hm2。
- An experiment was conducted to study the variations in microbial biomass carbon (MBC) and numbers of bacteria, fungi and actinomyces of ginseng rhizosphere soil applied ferment bacteria fertilizer. 摘要研究了施用酵素菌肥的栽参土壤人参根际微生物量碳及细菌、真菌和放线菌数量的变化。
- This trend is negatively related with the change in population density in logarithmic mode, which indicates that the actual forest carbon density is prominently determined by human activities. 这种分布规律与我国人口密度的变化趋势正好相反 ;两者有一种对数关系 .;这说明我国实际森林植物C密度大小首先取决于人类活动干扰的程度
- The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated. 通过对焊缝金相显微结构的分析,结合计算机图形处理软件计算出焊缝的烧结密度。
- soil microbial biomass carbon (MBC) 土壤微生物量碳
- soil microbial biomass carbon (nitrogen) 微生物量碳（氮）
- soil microorganism biomass carbon 土壤微生物量C
- Pollution soil microbial biomass carbon 土壤微生物生物量
- soil organic carbon density (SOCD) 土壤有机碳密度（SOCD）
- Soil microbial biomass carbon (SMBC) 微生物量碳
- Soil labile organic carbon density 土壤活性有机碳密度
- A welding paste was designed according to a theoretical formula for carbonous density, and an inexpensive method of joi- ning reaction-bonded silicon carbide ceramics was provided. 以石油焦和碳化硅为主要原料,按照焊料碳密度的理论计算公式设计焊料碳含量,运用反应成型连接法焊接反应烧结碳化硅陶瓷。
- The effects of carbonous density、solid volume loading and silicon carbide particle size distribution on the microstructures and mechanical properties of the welding seams were investigated. 探讨了糊料的碳密度、固相体积含量以及碳化硅颗粒级配对焊缝显微结构和机械性能的影响。
- Keywords Mollisol;Acetochlor;Degradation;Microbial biomass carbon; 乙草胺;降解;微生物量;黑土;
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- microbial biomass carbons and nitrogens 土壤微生物量碳、氮
