查询词典 nitrate

Injecting calcium nitrate into sediments is a new technology of in-situ treatment developed in the late 10 years.

受污染底泥的修复已经成为水环境修复中的重要组成部分，在底泥中注入硝酸钙则是近10多年来发展起来的一种污染底泥原位处理技术。

Therefore, 5 mmol/L calcium nitrate and treated for 12 h could delayed the maturation and consenescence process of muskmelon.

因此，5 mmol/L硝酸钙，并且处理12 h具有较好地减缓网纹甜瓜果实衰老的作用。

At doses less than 200 mg·kg-1, urea and calcium nitrate significantly reduce Cd content in mustard shoot in the range of 13%~29% and 24%~30% respectively.

在≤200 mg·kg-1的施氮水平下， CO(NH2)2和Ca(NO3)2处理能显著降低芥菜地上部Cd含量，降低幅度分别为13%~29%和24%~30%。

Muskmelon discs taken at ripening stage were used by different concentrations of calcium nitrate (1, 3, 5 mmol/L) and various time (4, 8, 12, 16, 20, 24 h) in order to investigate related to maturation and consenescence physiological parameters.

为明确钙在调节网纹甜瓜果实成熟衰老中的生理作用，以网纹甜瓜果实圆片为材料，研究了不同浓度硝酸钙(1，3，5 mmol/L)处理4，8，12，16，20和24 h情况下，甜瓜果实成熟衰老相关生理指标的变化。

Muskmelon discs taken at ripening stage were treated with different concentrations of calcium nitrate 1, 3 and 5 mmoloL^(-1 and various time (4, 8, 12, 16, 20 and 24h) in order to investigate the fruit softness and the relative physiological parameters.

以网纹甜瓜果实圆片为材料，研究了不同浓度硝酸钙1， 3， 5mmolL^(-1处理4，8，12，16，20，24h情况下，甜瓜果实软化及其相关生理指标的变化。

CaTiO3 powder was synthesized by solid-state reaction of calcium nitrate with TiO2 formed by hydrolysis of tetrabutyl titanate.

以钛酸四丁酯的水解产物TiO2和硝酸钙为原料，固态反应合成CaTiO3。

Chemical treatment in calcium nitrate solution and oxygen plasma treatment are used to modify mulberry silk in the thesis. The morphology, structure and mechanical properties of the silk fiber treated by the above two methods are studied.

基于这一目的，本论文研究了Ca(NO_3)_2化学改性法和低温氧等离子体处理法两种改性作用下的真丝纤维的形态、结构和力学性能等特征。

Calcium sprays were effective ifdone correctly, and our results indicated both calcium nitrate and calciumchloride were effective calcium sources Fig.

我们试验结果显示硝酸钙和氯化钙是十分有效的钙来源。

Key words: calcium ammonium nitrate; process; application; market

硝酸铵钙；生产方法；应用；市场

Surface tension of water and saturated calcium hydroxide solution which added sodium chloride,calcium chloride,sodium sulfate and calcium nitrate were tested by ring method to study the effects of these salts on concrete performance.

为研究混凝土中常用的无机盐类外加剂对混凝土性能的影响，采用吊环法测试了不同浓度氯化钠、氯化钙、硫酸钠和硝酸钙水溶液和饱和氢氧化钙溶液的表面张力。

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。