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- Among the blue-green algae are many species of nitrogen fixation. 许多种蓝藻有固氮的能力。
- chemistry of nitrogen fixation 固氮化学
- Mycorhizae perform the function of nitrogen fixation and storage. 菌根起着固氮和贮氮的作用。
- The influence of pesticide on effect of nitrogen fixation of abiogenous Azotobacter was also determined. 还运用茚三酮显色反应检测农药对自生固氮菌固氮效果的影响。
- The structural properties and surface chemistry of the samples with different treatments were characterized by using sorption of nitrogen and Boehm titration , respectively. 实验所选活性炭及相应的表面改性炭使用氮气吸附和Boehm滴定分别进行了结构性质和表面化学表征。
- The root nodule of the legume plant's ability of nitrogen fixation from air makes it grow in the poor soil very well. 摘要豆科植物的根瘤可以从空气中固定氮气而在贫痔的土壤中生长。
- The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decompostion, nitrificattion and denitrification. 土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。
- The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decomposition, nitrification and denitrification. 土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。
- The macroelement factor was higher in Leguminosae plants than in Gramineae plants as the plants of Leguminosae had the capacity of nitrogen fixation. 豆科与禾本科相比,豆科植物因其具固氮能力,所含大量元素水平较高,而禾本科植物因细胞壁硅质化,含微量元素稍高;
- SMB C_(15) had the ability of nitrogen fixation,and C_4,C_5,C_7,C_9,C_(14) and C_(15) showed the ability of phosphorus solubilization. C15保持了固N能力;C4、C5、C7、C9、C14和C15保持了解P能力.
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- The chemistry of stars and interstellar space. 天体化学关于星和星际空间的化学
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Under the different indoor environment, choose the best plant in the function of nitrogen fixation and oxygen release,transpired water release, absorbed caloric, bacteriostatic action . 在不同的室内环境条件下,选择在固碳释氧、蒸腾释水、蒸腾吸热、自然挥发物抑菌作用等改善环境效益方面突出的功能植物,对于室内植物设计具有重要的意义。
- He is familiar with the chemistry of metals. 他对金属的化学性质知之甚多。
- The chemistry of compounds containing carbon. 含炭化合物的化学。
- The chemistry of radioactive materials. 放射化学研究放射性物质的化学
- He is knowledgeable about the chemistry of metals. 他对金属的化学性质知之甚多。
- The chemistry of intracellular immunosuppression. 细胞内的免疫抑制的化学。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。