nitrogen的例句大全

Formaldehyde and distillation are the nitrogen determination methods in the sample.

甲醛法与蒸馏法是测定样品中氮含量的方法.

The plants keep the nitrogen in their roots , legum.

植物将氮气保存在他们的根部.

Structure, select of material, making and check of nitrogen wash column that is key equipment in cool box is described.

介绍了冷箱中的关键设备氮洗塔设计、结构、材料选择、制造与检验。

SBR process can remove organism, on the meanwhile, it has well function of nitrogen and phosphorus removal.

SBR法在去除有机物的同时，具有良好的脱氮除磷功能。

Moreover, acid rain inhibited microbial respiration, cellulose decomposition, ammonia-oxidation, and nitrogen-fixation with different degrees.

酸雨对土壤微生物的呼吸强度、纤维素分解强度、氨化作用、固氮作用、硝化作用等都存在不同程度的抑制作用。

In order to improve the transfer efficiency, CCD shift register is designed with buried channel CCD. Reducing the impurity concentration in the buried channel is found to be an effective method of improving the transfer efficiency at the liquid nitrogen operating temperature ( 77K).

为了提高转移效率，CCD移位寄存器采用埋沟CCD，并且发现，降低埋沟中的杂质浓度是提高器件在77K液氮工作温度下的转移效率的一种有效方法。

The signal of a nitrogen-centered radical adduct of DMPO was observed. The results obtained indicate that the trapped radical is a cation radical of diamine produced from diamine and photogenerated hole.

观察到DMPO与氮中心自由基加合物的ESR信号，表明捕捉到的自由基是脂二胺与光生空穴作用而产生的胺的阳离子自由基。

The contents of total nitrogen, total phosphorus, content of exchangeable cation ( CEC) and C/ N specific ratio were all improved.

施用有机肥的土壤全氮、全磷、重组磷及C/N比均呈提高趋势，pH值降低，其原土和重组复合体的阳离子交换量较高。

Main influencing factors in the research on catalytic conversion of coal-nitrogen

煤氮催化转化研究中的主要影响因素分析

Study on the factors affect removal of dissolved nitrogen and phosphorus by hydroponic bio-filter method

水耕植物过滤法溶解性氮磷去除影响因素研究

And the effects of different types intercropping and relay cropping system on qualities, such as the yield and content of protein, crude fiber, crude fat, crude ash and nitrogen free extract of organs and grain, were quite different.

不同间套作类型对秸秆和籽粒粗蛋白、粗纤维、粗脂肪、粗灰分及无氮浸出物等营养物质含量和产量的影响。

Heat production , energy and nitrogen balance were evaluated in respiration double chamber ( BAU KB-1 ).

连续7天持续灌注后用农大KB -1 型呼吸测热室测定 产热 和能氮平衡.

SOI with stacked buried layers formed by sequential nitrogen and oxygen ion implantation with multiple energy To deal with this problem, we put a new SOIM structure forward as a candidate.

为了解决SOI材料的抗辐照总剂量问题，我们提出使用氮氧共注入形成的多埋层SOIM新结构。

In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves.

在一些植物中, 包括绝大多数的木本作物, 硝态氮并非经常存在于叶片中.

Studies on Fertilization of Nitrogen, Potassium and Boron in Lotus Roots

莲藕氮、钾、硼配合施用效果

Gln group regain better positive nitrogen equilibrium at the 7th postoperative day.

术后3、7天研究组获得较好的正氮平衡。

Development of a new type of dispersant agent containing nitrogen and boron

新型氮硼分散剂的研制

Research on Dissolved Nitrogen and Phosphorus Loading Model Based on GIS

基于GIS的溶解态氮磷负荷模型研究

Simulation of Dissolved Nitrogen Load in Jialing River Basin

嘉陵江流域非点源溶解态氮污染负荷模拟研究

Biological effect of low energy nitrogen ion implantation on E.Coli

低能氮离子注入大肠杆菌诱发的生物学效应研究