硝酸钙

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。

Many growers spend considerable time choosing among sidedressers such as calcium nitrate, sodium nitrate, 30 percent UAN liquid, and 24 percent UAN liquid.

许多种植者花费了相当多的时间选择侧施肥料，比如硝酸钙、硝酸钠、30％的UAN液体肥料和24%的UAN液体肥料。

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。

Many growers spend considerable time choosing among sidedressers such as calcium nitrate, sodium nitrate, 30 percent UAN liquid, and 24S UAN liquid.

许多种植者花费了相当多的时间选择侧施肥料，比如硝酸钙、硝酸钠、30％的UAN液体肥料和24S的UAN液体肥料。

The results showed that calcium nitrate treatment apparently slowed down the consenescence rate, made the flesh firmness higher than the control, elevated the activities of POD, SOD and CAT, retarded the ethylene production, reduced the soluble protein content, and declined the increased speed of electrical conductivity and LOX activity.

结果表明：硝酸钙具有明显延缓甜瓜果实衰老的作用，使果肉硬度显著高于对照，并提高过氧化物酶、超氧化物歧化酶和过氧化氢酶活性，同时降低果肉乙烯释放量、可溶性蛋白含量、外渗电导率的升高速度和脂氧合酶活性的作用。

The main conclusions are as following:(1) Befor the frozen depth reach to the maximum, the frozen depth of different treatments of groundwater, 0.6% of calcium nitrate, 0.6% of potasium sulphate and no irrigation are 132 cm, 130 cm, 129 cm and 108cm in sequence respectively.

得到的主要结论如下：(1)不同冬灌水质处理在冻深达到最大以前，采用地下水灌溉的处理最大冻深最大，为132cm，冻结速率最高，为1.16cm·d~(-1)；加入0.6%的硝酸钙的处理最大冻深次之，为130cm，冻结速率为1.13cm·d~(-1)；加入0.6%的硫酸钾的处理最大冻深排第三，为129cm，冻结速率为1.10cm·d~(-1)；自然条件下未灌溉处理的最大冻深第四为108cm，冻结速率为0.94cm·d~(-1)。

In this study, the aged watermelon seeds were selected as material, soaked by different concentrations of salicylic acid, calcium nitrate and gibberellic acid (GA3), to study the effects on germination rate, related physiological and biochemical indexes of aged watermelon seeds. The results show that the activity of aged watermelon seeds was obviously increased after soaking, and the best treatment to promote germination was Ca(NO3)210mmol/L. Besides, conductivity and soluble sugar content of seeds lixivium, and MDA content of seeds were decreased obviously after treated by SA, Ca(NO3)2 and GA3, and SA treatment had the best obvious effects.

本试验以自然老化的西瓜种为试材，采用不同浓度的水杨酸、硝酸钙、赤霉素预浸种处理，研究其对老化西瓜种子萌发及相关生理生化指标的影响，结果表明：不同处理均可显著提高老化西瓜种子活力，以10mmol/L的Ca(NO3)2处理促进萌发的效果最为明显；不同处理均能明显降低种子浸出液电导率、可溶性糖含量及种子中丙二醛含量，以水杨酸的各处理效果最好。

When the pH decreased to 10.95,8-hydroxyl quinoline lost its corrosion inhibition effect,and methenamine could work with high concentration.

以亚硝酸钙为主导的钢筋阻锈剂已在工程上有较长的应用史，但是由于其毒性，使应用受到了限制。

The effect of additives on synthesis of xonotlite fiber with nano diameter is studied using industrial lime and quartz powder,selecting calcium chloride,strontium nitrate,zirconium oxychloride as additives.

采用工业石灰和石英粉，选用氯化钙、硝酸锶、氧氯化锆为添加剂，研究添加剂对合成纳米直径硬硅钙石纤维的影响，结果表明，几种添加剂均对生成硬硅钙石纤维有一定的帮助，加入适量的氧氯化锆添加剂，可以制备出纳米直径的硬硅钙石纤维，氧氯化锆的添加量为Zr4+/(Ca2++Si4+)=0.02时，可获得结晶良好、直径为70～100 nm的硬硅钙石纤维。

The product of high-purity strontium oxide can be acquired after stoving and burning the precipitate of high-purity strontium oxalate,which is formed by means of adding high-purity oxalic acid under the condition of appropriate pH range.

以分析纯硝酸锶为原料，采用硝酸锶分次重结晶同时加入适量的硫酸除去钡及其它杂质，加入适量草酸除去钙杂质，然后选择合适的pH值加入高纯草酸制得高纯草酸锶沉淀，经烘干灼烧后得到高纯氧化锶产品。

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。