nitrate的例句大全

The fertilizer product contains nitrate nitrogen and urea nitrogen and thus has high fertilizer effect.

该方法生产的产品中同时含有硝态氮,尿态氮,因此肥效显著.

Differences of nitrate accumulation among some Chinese flowering cabbage varieties

几个菜心品种硝酸盐累积差异的研究

As soil depth increased, the peak values of BTC decreased, but the total time of nitrate transported vertically increased.

随土壤深度的增加，穿透曲线的峰值减小，硝态氮总的运移时间增加。

CAMP test presents positive reaction. It is in line with the biochemical character of APP that can ferment amylaceum, amylomaltose, saccharobiose, xylose, fructose, carbamide, ONPG, manicol and nitrate reductase.

CAMP试验阳性，微量生化管进行生化试验得到该菌基本符合APP生化特征，能够发酵葡萄糖、麦芽糖、蔗糖、木糖、果糖、尿素、ONPG，甘露醇和硝酸盐还原酶。

There were spatial differences between the breakthrough curves ( BTC) of nitrate transported vertically.

土壤中硝态氮垂直运移的穿透曲线存在空间差异性。

It is well known that the nitrate and nitrite from environment is causally related to infant methemoglobinemia and esophageal cancer.

环境中的硝酸盐暴露与婴儿高铁血红蛋白血症及食管癌的病因关联已为人们熟悉。

The absorption, utilization and distribution of nitrate~ ( 15) n and ammonium~ ( 15) nin Populus tomentosa seedlings

毛白杨对~（15）N-硝态氮和铵态氮的吸收、利用及分配

"The iodide is added to table salt to protect against iodine deficiency. The nitrate is also called saltpetre, and the carbonate is called potash." Experimental study on the effects of KI and KIO_3 on thyroid hormone

在食盐中加入碘化钾以防碘缺乏。硝酸盐亦称硝石，碳酸盐亦称钾碱。碘化钾、碘酸钾对缺碘大鼠甲状腺激素作用的实验研究

The results showed that DCD and Mo could obviously reduce nitrate accumulation in vegetables.

结果表明:施用钼肥和双氰胺能够显著降低蔬菜硝酸盐的积累.

NH 4 NO 3 used to be the main raw material for producing nitrate-compound fertilizer.

硝酸铵是硝基复合(混)肥生产的主要原料.

In this paper, the process of the thermal pyrolysis of waste polystyrene ( WPS) was studied of with catalysts in existence such as cerous nitrate, composite catalyst and rare earth chloride etc.

本文研究了废聚苯乙烯在氯化稀土、硝酸铈和复合催化剂等催化剂存在下的裂解情况。

Butyl methacrylate was synthesized from methacrylic acid and n-butyl alcohol with esterification reactions by the catalytic activey of cerous nitrate.

以甲基丙烯酸和正丁醇为原料，硝酸亚铈为催化剂，合成了甲基丙烯酸丁酯。

An effective process which uses starch as basic material, ammonium cerous nitrate as initiatingagent and acrylonitrile as monomer to produce super-absorbent polymer is introduced.

介绍了一种以淀粉为基本原料、以硝酸铈铵为化学引发剂、以丙烯腈为单体制备高吸水树脂的有效方法。

In anoxic condition, denitrifying polyphosphate accumulating organisms ( DNPAOs) can simultaneously denitrify and excessively remove phosphorus by using nitrate as terminal electron acceptor.

反硝化聚磷菌可以在缺氧条件下，利用硝酸盐作为电子受体，实现同步反硝化和过量吸磷。

R The results show that cerous nitrate has better catalytic activity for the esterification reaction of methacrylic acid and n-butyl alcohol.

实验结果表明硝酸亚铈具有良好的催化性能。

Nanometer CeO_2 powders were prepared by means of microwave radiation using cerous nitrate and ammonium hydrogen carbonate.

以硝酸铈为原料，碳酸氢铵为沉淀剂，用微波加热的方法制备了纳米CeO2超细粉体。

The application of ceric ammonium nitrate in organic synthesis

硝酸铈铵在有机合成中的应用

There was a tendency of increase of nitrate-nitrogen and decrease of ammonia-nitrogen along the FPB column, indicating a significant nitrification activity.

沿流化床高度，水中氨氮浓度呈沿程降低的趋势，而硝态氮浓度呈增大趋势，表明硝化作用比较明显。

The results showed that when the molar ratio of phenol to ceric ammonium nitrate was 1 ∶ 1.05, the yield of 2,4-dinitrophenol was 72% at a reaction temperature of 50 ℃ and a reaction time of 1.5 h.

最佳反应条件为：苯酚与硝酸铈铵的物质的量比为1∶1.05，反应温度为50℃，反应时间为1.5h，产率达72%。

The grafting of butyl acrylate ( BA) onto gelatin, using ceric ammonium nitrate ( CAN) as redox initiator in aqueous medium, has been studied.

在明胶上接枝丙烯酸丁酯是以硝酸铈铵为引发剂在水介质中进行的。