查询词典 nitrate

Addition of nitrate and sulfate as electron acceptor caused a decrease in dechlorination rate.

废水中硝酸盐和硫酸盐等电子受体的存在降低了PCP的脱氯速率。

The strain could denitrify sodium nitrate in aerobic environment and nitrify in the culture media with sodium acetate as carbon source and ammonium sulfate as nitrogen source , as well as acetamide as the sole carbon and nitrogen sources .

该菌株以硝酸钠为氮源时能进行好氧反硝化作用；以乙酸钠和硫酸铵分别为碳源和氮源能进行异养硝化作用，能以乙酰胺为唯一碳源和氮源进行生长。

The effects of all react areas and their features were also discovered. In anaerobic cells the organic matters acidify and hydrolyze, phosphate are released, nitrate will be denitrified if it exits.

揭示了MSBR各反应区自身特点及在整个流程中作用：厌氧池承担有机物的酸化水解、厌氧释磷和部分反硝化的功能。

The main body of a book is adopt to follow different condition of admeasurement in vitro to active effect of stem tumour mustard hydrogen nitrate reductase.

本文采用离体法测定不同条件对于茎瘤芥硝酸还原酶活性的影响。

METHODS: Nitrate reductase method was used to detect the NO content of the patients on the admission day, the 3rd day, 7th day, and 21st day after onset. The results were compared with that of the control group.

采用硝酸还原酶法分别测定研究对象入院时、发病后的第3，7，21天的一氧化氮含量，并与健康体检者进行对照。

The nitrate content was higher in stem than leaf in harvest anaphase, and higher in acidic soil than in alkali one.

在酸性土壤上莴笋中的硝酸盐含量高于碱性土壤。莴笋采收后期茎的硝酸盐含量高于叶片。

Ammonium nitrate and potassium chloride are mainly used as raw materals for the production of agriculture-grade potassium nitrate by double decomposition method.

复分解法生产农用硝酸钾的主要原料一般为硝酸铵和氯化钾。

The research of produce potassium nitrate by using ammonium nitrate (NH 4NO 3) potassium chloride as raw materials, the methodology was double decomposition reaction and non-circulation.

研究了以硝酸铵和氯化钾为原料复分解非循环生产硝酸钾的工艺；实验制得了农业级的硝酸钾。

High four devices using advanced liquid-phase double decomposition process of agricultural production of potassium nitrate and agro-ammonium chloride, devices the size of annual production capacity of 80,000 tons of agricultural potassium nitrate, 44000 tons of agricultural ammonium chloride, technologically advanced, reliable technology, no "three wastes" pollution.

四川米高化肥有限公司装置采用先进的液相复分解工艺生产农用硝酸钾和农用氯化铵，装置规模为年产8万吨农用硝酸钾、4.4万吨农用氯化铵，技术先进，工艺可靠，无&三废&污染。

In general,nitrate concentrations in lakes are lower i n summer than in spring because algae consume nitrate in summer.

湖泊在夏季由于藻类生长而消耗大量硝酸盐，水体硝酸盐含量一般要低于春季。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。