nitrate

high levels of nitrates in drinking water

饮用水中的大量硝酸盐

The test items included organic phosphorus, organic chlorine, pyrethroids , dicofol, nitrate and heavy metal plumbum.

检测项目包括有机磷 、 有机氯 、 菊酯、三氯杀螨醇 、 硝酸盐和重金属铅.

When molybdenum is deficient, nitrate may accumulate to a toxic level in the plant.

当钼不足时, 硝酸盐会积累在植物中达到毒害的程度.

Some commercial laboratories use periodic nitrate tests as guides.

许多商业性的试验室已应用定期的硝态氮分析作为指导.

The contents of zinc nitrate and zinc dihydrogen phosphate thus could be obtained.

按理论方法分别求得磷酸、磷酸二氢锌、硝酸锌的含量.

potassium nitrate

硝酸钾

High levels of nitrate occur in eastern England because of the heavy use of fertilizers.

英格兰东部因大量使用化肥导致土壤硝酸盐浓度过高。

We need to cut nitrate levels in water.

我们需要降低水中的硝酸盐含量。

The computer simulation was performed in the potassium nitrate electrolyte solution using molecular dynamics method.

对硝酸钾电解质溶液进行了分子动力学计算机模拟研究.

To use nitrate as electron donor in the electron transport chain during chemosynthesis.

利用硝酸盐作为化学合成作用中,电子传递链之电子提供者.

Agricultural potassium nitrate and ammonium chloride are produced double decomposition from potassium chloride and ammonium nitrate.

用氯化钾与硝酸铵为原料,采用复分解法生产农用硝酸钾与氯化铵.

Residual heavy metal, nitrate and nitrite don t exceed national standard.

重金属 、 硝酸盐、亚硝酸盐含量均未超过国家标准.

Description: Lanthanum Nitrate is soluble in water and moisture in wet air.

说明: 硝酸镧溶于水,在潮湿的空气中易潮解.

The rules of nitrate accumulation in Dian lake drainage area in intensive cultivation are studied.

研究了滇池流域集约化地区设施条件下氮磷化肥对土壤硝酸盐的累积规律.

However, remained organic matter was not enough for the denitrification of nitrogen nitrate.

然而, 有机物过早消耗对硝化后产生的硝酸氮再行反硝化作用不利.

The preparation principle, synthetic method and the optimum processing of nickelous hydrazine nitrate is displayed.

介绍了一种络合物起爆药——硝酸肼镍的制备原理 、 合成方法,通过实验确定了最佳工艺条件.

Silver nitrate is a salt.

硝酸银是一种盐类化合物.

D . To use nitrate as electron acceptor in the electron transport chain during respiration.

利用硝酸盐作为呼吸作用中,电子传递链之电子接受者.

And ammonia had effective selectivity for the separation of potassium nitrate.

氨对硝酸钾的选择分离结晶效果较好.

Weekly testing for ammonia, nitrite, nitrate, turbidity, iodide, and strontium.

每周测试氨氮, 亚硝酸盐, 硝酸盐氮, 浊度, 碘, 锶.

Objective To introduce a new method to prepare miconazole nitrate cream.

目的介绍一种制备硝酸咪康唑乳膏的新方法.

It indicates that lead nitrate and nickel chloride have obvious reproductive toxicity.

提示,硝酸铅、氯化镍有明显的生殖毒性.

This nitrate opalesces under certain conditions.

这种硝酸盐在特定条件下会发出乳白色光.

Self sensitization theory of expanded ammonium nitrate AN is the key point of the present innovation.

膨化硝酸铵自敏化理论是膨化技术发明的核心,它是基于热点理论把微气泡植入硝酸铵炸药中.

The valence of cation combined with nitrate had basically no influence on the nitrate vertical transport.

与硝态氮结合的阳离子价数对硝态氮的垂直运移没有影响.

Cellulose ether nitrate as novel energetic adhesive for solid propellant was synthesized.

以棉纤维为原料,合成了一种新型推进剂用含能黏合剂纤维素醚硝酸酯.

Nitric oxide ( NO ) content in pulmonary tissues was determined using nitrate enzyme reduction method.

同时用硝酸还原酶法测定肺动脉组织一氧化氮 ( NO ) 含量.

A two years study indicated that nitrate reductase activity ( NRA ) in vivo sharply decreased after harvest.

两年的试验结果表明,深色晾烟采收晾制后,体内硝酸还原 酶 活性剧烈下降.

Under favorable conditions the ammonium ion is converted to nitrate.

在适宜条件下,铵离子转化为硝酸盐离子.

Both groups are working on antimicrobial therapies based on nitrate chemistry.

现在,这两个研究团队都致力开发以硝酸盐化学为基础的抗菌疗法.