查询词典 nitrogen

Many other free-living organisms have the capacity to fix nitrogen in the soil, but their contributions to crop N uptake is small.

许多其它自生型微生物也可以在土壤里固定氮素，可是他们对作物氮吸收的作用却不大。

Forexample, the group 2, 4 and 10 of BOX-PCR were good agreement with group 5, 13 and12 of numerical analysis, and the group 3, 4 and 8 of RAPD were equal to group 6, 12and 8 of numerical analysis, and the group 5, 6 and 8 were identical with group 6, 12 and8 of numerical analysis, which indicated the 4 methods used could reveal the biodiversityamong the tested free-living nitrogen fixation strains.

总的来说，本研究所采用的表型分群和遗传型分群的结果在总体趋势上是一致的，BOX-PCR的群2、4和10分别与数值分类中的第5、13和12表观群一致；RAPD的群3、4和8分别与数值分类的群6、12和8相对应，16S rRNA PCR-RFLP中的群5、6和8则数值分类的群6、12和10完全吻合，说明本实验所获得的研究结果可信。

Concrete and other hydraulic cylinder used new technology and new technologies, using concrete cylinder block IF processing technology, using carbon and nitrogen sulfur fuel tank rod permeation technology, the service life of the fuel tank and concrete cylinder life greatly increased.

另外液压油缸和砼缸采用新工艺和新技术，砼缸缸体采用中频处理技术，油缸活塞杆采用碳氮硫共渗技术，使油缸使用寿命和砼缸使用寿命大大增加。

In this paper, advances in functional gene diversity in relation to soil nitrogen cycling are reviewed and future areas of improvement identified.

本文综述了参与土壤氮循环的微生物功能基因多样性研究进展，并展望了未来发展方向。

In this paper, advances in functional gene diversity in relation to soil nitrogen cycling are reviewed and future areas ofimprovement identified.

本文综述了参与土壤氮循环的微生物功能基因多样性研究进展，并展望了未来发展方向。

The formation of fusel oil reached the lowest with the total content of α-amino nitrogen as 180～195 mg/L.

葡萄汁中α－氨基氮总量为180～195 mg/L时，杂醇油的生成量较低。

The alumina carrier has medium pore size of 25-35 nm, pore volume of 1.2-2.0 ml/g, and specific surface area 200-350 sq m/g, and is prepared through mixing ammonium aluminum carbonate and one kind of nitrogen containing compounds except acid, forming and roasting.

其中所述载体的中值孔径为25-35纳米，孔容为大于1.2至2.0毫升/克，比表面积为200-350米 2 /克，所述载体由包括将一种碳酸铝铵与一种除酸以外的含氮化合物混合、成型并焙烧的方法制备。

Under mild ambient conditions gallium phosphide nanoparticles were employed to carry out the reduction of nitrogen.

在温和条件下，利用磷化镓纳米粒子进行了氮的还原反应，即氮氨转化。

The results showed that the liquid?solid ratio of 1.6: 1, temperature of 30°C, initial pH of 6.0 were the optimal conditions for tannase production under uncooked material fermentation with gallnut content of 20% and (NH4)2SO4 for nitrogen sources.

结果表明，在生料发酵过程中，采用20%五倍子并且以(NH4)2SO4为氮源制备单宁酶的最佳条件为：液固比=1.6：1、温度30°C、初始pH 6.0。

Dr Galloway says the aim is to maximise the effectiveness of nitrogen in food production while minimising the effects on the environment and human health.

Galloway博士表示目标是将氮对粮食生产的效用最大化，而将其对自然环境和人类健康的效应最小化。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。