nitrogen的例句大全

Analysis on Nitrogen form in Bleeding Sap of Three Fruit Trees

3种果树伤流液中氮素形态分析

Experimental Study on Nitrogen Release During Combustion of Blended Coal

煤掺混燃烧时氮析出特性的试验研究

Gene Loci of Enzymes Related to Nitrogen Metabolic Pathways in Cotton Boll Rot Disease Pathogen

棉花红腐病菌氮代谢途径相关酶的基因位点测定

Nitrogen dressing in booting stage can increase number of grains per ear.

孕穗期追施氮肥可增加可育小穗数，能显著增加穗粒数。

Research on Braze Welding Procedure of Automobile Heat Exchanger in Nitrogen Oven

汽车空调热交换器氮气炉钎焊工艺的研究

Furnace Brazing Technique of Aluminium-alloy Case for Airborne Electronics in Nitrogen Atmosphere

机载电子设备铝合金箱体氮气保护钎焊工艺

Piezometric technique with capillary tubing is a kind of technique which transfers downhole pressure onto surface by taking nitrogen as the pressure transfer medium, tests the pressure, and then based on it reckons the pressure at the piezometric depth.

毛细管测压技术是以氮气作压力传递介质，将井下压力传递到地面，在地面完成压力的测试，再将所测压力推算至井下测压深度处压力的一种测压技术。

They always connected water with their attitude. Studies on interactions between soil moisture and nitrogen and yield models in rice

水稻水氮互作效应与产量模型研究

The nitrogen and phosphorus element carried by soil erosion were the substantial clause which caused entrophication ( for example lake, rivers and so on).

水土流失携带的氮磷元素是导致受纳水体（如湖泊、河流等）发生富营养化的重要原因。

Each component of energy budget, nitrogen and carbon budget in red sea bream was measured and calculated.

对其摄食量、生长及粪便进行直接测定，对能量收支、氮和碳收支各组份进行估计和计算。

It is summarized that the seedling's tolerance of half lethal salt concentration, the seed vigour index, and the seed nitrogen content could be regarded as the physiological index for assessing the level of the seed salt tolerance and whether it be selected for breeding.

初步认为种子耐盐半致死浓度、种子活力指数和含氮量可以作为种子耐盐性评价和选育的生理指标。

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

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。

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。

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。

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。

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。

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。

The plants keep the nitrogen in their roots , legum.

植物将氮气保存在他们的根部.

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.