查询词典 nitrate

M obtained from the Guanting Reservoir were mixed with nitrate copper solution to study the distribution characteristics of copper ions adsorbed on the surface of sediment particle s.

现有的水体中泥沙与污染物质关系方面的研究，多着重于吸附模式的理论探讨和吸附总量的实验研究，而对泥沙颗粒的表面形态和污染物质在泥沙颗粒表面的分布研究较少。

Exploratory study was made on the Guanting reservoir influent treatment by using two-stage BAF at extreme low temperature.The results show that the removal of organics and ammonia nitrogen is seriously inhibited due to low temperature,and the conversion of nitrite into nitrate is no longer a limiting factor of complete nitrification.One possible hypothesis is that the activity of nitrobacter is hi gher than that of nitrosomonas at extreme low temperature.

摘 要：两级曝气生物滤池在极低温度下(1℃以下)处理官厅水库入库水的探索性研究试验结果表明，有机物和氨氮的去除受到了低温的严重抑制，亚硝酸盐转化成硝酸盐不再是完全硝化反应的限制步骤，这可能是在极低温度条件下硝酸菌的活性高于亚硝酸菌活性的缘故。

To establish the method for the determination of nitrate concentration in food by using thymol.

目的 建立用麝香草酚法测定食品中硝酸盐的方法。

Total hardness and total solids appear positive correlation with nitrate, but no correlation with ammonium.

总硬度和总固体与硝酸盐氮呈显著正相关，与氨氮未表现出相关关系。

In this study, column experiments, including measurements of corrosion potential, were conducted to determine the effects of nitrate on trichloroethylene degradation by granular iron.

为研究硝酸根对颗粒状铁降解三氯乙烯的影响，进行了柱实验和相应的反应铁腐蚀电位测定。

Triphenyl phosphite provided prominent stabilization only when used in combination with other stabilizers. Good results have been obtained for both polyether-urethane and nitrate esters when using 2,6-di-t-butyl-4-methyl-phenol as stabilizer.

亚磷酸三苯酯单独使用时效果较差，但与其它种类的稳定剂混合使用能得到较好的效果。2，6-二叔丁基-4-甲基酚对硝酸酯和聚氨酯粘结剂均具有良好的稳定作用。

The effects of different fertilizer combinations on the yields and their nitrate contents of tumorous stem mustard were studied under field experiment.

采用田间试验研究不同肥料组合对茎瘤芥产量和硝酸盐含量的影响。

Using field experiment and chemical analysis,the yield and nitrate content of various organ in tumorous stem mustard under different forms of nitrogen and different nitrogen levels were studied.

采用田间试验和化验分析等方法，研究了不同形态氮、不同氮水平下，茎瘤芥各器官产量和硝酸盐含量的变化特征。

Methods:Forty patients suffering from ulcerous colonitis and 40 normal people were tested by nitrate reductase methods and bistin streptavidin.

采用硝酸还原酶法和生物素链亲和素ELISA法测定40例溃疡性结肠炎患者和40例正常人血清NO和TNFα。

The concentrations of TNF-α,IL-10 in serum,ultrafiltrate weremeasured 0,1,12,and the end of CVVH by ELISA, the concentration of NO was measured by nitrate reductase method.

CVVH过程中临床指标的观察与检测：生命体征、肾功能、动脉血氧分压及血氧饱和度等。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。