In this study, sodium phosphate and calcium nitrate were used as reagents, and NaOH was used for adjusting pH value, nano-hydroxyapatite was prepared in water media, without any solvent or dispersant.

Calcium nitrate 4 hydrate and diammonium hydrogen orthophosphate are selected as initial materials; needle like carbonate containing hydroxyapatite crystals are synthesized by homogeneous precipitation method with urea is used as additive.

选用可溶性的硝酸钙和磷酸氢二铵，在尿素用作添加剂的条件下用均相沉淀法合成了含部分碳酸根的针状羟基磷灰石晶体。

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The main research works were as follows: Firstly, hydroxyapatite nanoparticles were successfully synthesized in water solution system by homogeneous co-precipitation method with calcium nitrate and diammonium hydrogen phosphate as precursors.

具体研究内容如下：1.采用均相共沉淀法，以硝酸钙和磷酸氢二铵作为前驱体，在水溶液体系中成功合成出纳米级羟基磷灰石粒子。

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The interferences of phosphate were excluded by the addition of calcium nitrate. A accurate and fast method of direct titration chloride by sliver nitrate in compound fertilizer was established.

用硝酸钙排除磷酸盐干扰，拟定了以硝酸银直接滴定复混肥料中氯化物测定的方法，具有准确、快速、简单。

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Secondly, the ordinary mulberry silk, slightly dissolved silk and calcium nitrate treated silk are modified by the chitosan solution and the treatment procedure of soaking-rolling-baking.

然后利用壳聚糖溶液，通过浸轧焙的流程整理工艺分别对普通桑蚕丝纤维、微溶丝纤维及盐缩丝纤维进行了改性处理。

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The characteristic and operation problems of double drum filter for calcium nitrate are examined, the filter is proved efficient in nitrophosphate production and some problems and their countermeasures are presented.

通过对硝酸钙双转鼓过滤机的特点及其操作故障分析，说明双转鼓过滤机应用在硝酸磷肥装置非常有效，分析许多故障原因并提出其解决办法。

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Advance in enzymes about senescence and antioxidase of fruit and vegetable Effect of Calcium Nitrate on Related to Maturation and Consenescence Physiological Parameters of Muskmelon

果蔬采后成熟衰老酶与保护酶类系统的研究进展硝酸钙对网纹甜瓜果实成熟衰老相关生理因素的影响

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Study on filterability of crude calcium nitrate& the byproduct of nitrophosphate by Odda process

冷冻法硝酸磷肥副产品粗硝钙的过滤性能研究

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Study on the Complex Adsorptive Wave of Europium-Cal-red and Its Application Chemical reagent& Calcium nitrate

铕（Ⅲ）-钙试剂络合物吸附波及其应用研究

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Factors Influencing Crystallization Process of Calcium Nitrate in Nitrophosphate Plant

影响硝酸磷肥硝钙结晶过程的因素

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Leakage Causes and Protection Methods of Piping for Calcium Nitrate Salt Water

直硝盐水管系泄漏原因及对策

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Finally, each Web application gets its own loader for its private classes.

最后，每个Web应用程序有自己的装入器用于其私有类。

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Development and Application of Excavating Loader SIDE-SLOPE MANAGEMENT FOR OPENCAST MINING

挖掘装载机的发展及应用前景露采边坡的管理

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Review on Virtual Prototyping Technology Application to Wheel Loader

装载机虚拟样机技术应用现状及展望

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This network has a quite good application in ship loader in the coal terminal.

该系统在煤码头装船机上应用取得了很好的效果。

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The system class loader ( also known as the application class loader) is the class loader responsible for loading code from the path specified by the CLASSPATH environment variable.

系统（system）类装入器（也称作应用程序类装入器）负责从CLASSPATH环境变量指定的路径装入代码。

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This is called the system domain and includes classes loaded by the system ( application) loader, the extensions loader, and the bootstrap loader.

这称为系统域并包括由系统（应用程序）装载器、扩展装载器和bootstrap装载器装载的类。

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Development and application of loader bucket teeth of new type Bainite cast steel

新型贝氏体钢铲齿的研制与应用

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Otherwise, consider writing a memo of understanding, or, if that is too formal, at least ane-mail about who is responsible for what.

为此可以考虑制订理解备忘录，如果觉得这个过于正式，至少可以发一封电子邮件告诉大家各自的任务。

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A total of 19 per cent of the worlds population was able to enter a destination without a visa, while 16 per cent could receive a visa on arrival ( compared to 17 per cent and 6 per cent in 2008).

另外，世界上有19%的人口能够入境免签，16%的人口能够享受落地签，而2008年这两项的比例分别为17%和6%。

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Ctrip said China ranked 70th last year based on the global passport power rankings, which were created by calculating how many countries and regions passport holders can visit without a visa, or by obtaining a visa on arrival.

据携程网表示，在去年的全球护照效力排行榜上，中国排在第70位，这一排名是通过对持护照者可以免签前往的国家和地区数量、或者抵达后可以获得签证的数量计算得出的。

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