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The borohydride is hydrogen source for an advanced fuel cell, Imol borohydride with water produces 4mol hydrogen and Imol of side product sodium metaborate. Regeneration of metaborate for recycle of boron brings forth a bright future to the new fuel cells. In this paper, a method for the preparation of sodium borohydride from sodium metaborate was proposed.

硼氢化钠是一种燃料电池的氢源，1mol硼氢化钠催化水解产生4mol的氢气及副产物偏硼酸钠，若能实现偏硼酸钠的循环利用，该燃料电池将有广泛的应用前景。

No entire nitrendipine crystals were observed visually in SEM photos. The results of X-ray diffraction and differential scanning calorimetry analysis indicated that the crystalline form of nitrendipine was highly dispersed in microspheres, so as amorphous state. The drug release rate of microspheres could be controlled with adjusting the ratio of solid dispersion carriers and retarding agents formulated. The agitation speed and temperature of the preparation process have distinct effect on micromeritic properties of microspheres. The release profiles of the microspheres were mainly affected by the stirring rate of paddle, the concentration of SDS and pH of dissolution medium. Cooling speed and time, however, have no evident influence on the drug release rate of the microspheres. The dissolution data showed that the mechanism of drug release from microsphers was mainly diffusion-controlled. The incorporation efficiencies of 3 batches sample were exceed 96. 8％, which implied that the current method was suitable for design sustained-release dosage form for poorly water-soluble drug.

在扫描电子显微镜下观察，在微球内外未发现尼群地平的完整结晶，X-射线粉末衍射和差示扫描量热试验结果也显示，尼群地平已经被高度分散在微球中；微球的释药速度可通过调整处方中固体分散体载体和阻滞剂的比例控制；制备温度和搅拌速度对微球的质量影响较大；溶出仪的搅拌速度，释放介质的浓度和pH对微球的释放有较大的影响；制备过程中的冷却速度和冷却时间对微球的释放行为影响不很明显；方程拟合的结果表明缓释微球的释药行为符合扩散机制；测定三批微球样品的包封率均在96.8％以上，表明该法适合于制备难溶性药物的缓释微球。

In order to increase the practical application of this waster water treating technology, in this text, we tried to improvement the feasible on economy and technology from preparation of photocatalysists, design of reactor and the influence of different reaction conditions etc.A P25 TiO2 film supported on UV light surface was prepared using sol-gel method at 200℃ calcinations temperature, and the photocatalyst has shown a good stability and performance for the photodegradation of orthocresol solution irradiated with UV light of 254nm, when reaction for 30min, the photodegradation still more then 85%.

为了更快地将这种处理技术用于大规模生产当中，本文以焦化废水中的邻甲酚作为目标污染物，试图从催化剂薄膜的制备、反应器的设计、反应条件的影响等各方面来深入研究TiO_2膜催化剂的催化降解作用以便促进提高其实际应用中的经济技术可行性。

Typical metal supports for use in the preparation of printing plates for planographic printing, wherein an image-wise hydrophility-hydrophobity differentiation is produced, are so-called "bimetal" and "trimetal" metal supports, which are built up by superposed metal layers or sheets differing in wettability by water.

典型的金属支持在为平版印刷，其中一个映像明智的亲水性，hydrophobity分化制作印版准备利用，这是所谓的&双金属&和&trimetal&金属的支持，这些全部由金属层或重叠了张在不同水润湿。

Milk formula in the composition is the most important and what for what ingredients to add, we should add the number, composition ratio between the amount of how much, and so on in strict accordance with the provisions of a need for expert preparation.

配方奶粉中的组合成分是最主要的，什么适合添加什么成分，应该添加多少，成分之间量的比例是多少等等，都需要专家严格按照规定配制。

All the preparation I did minded me alot of my memory of heading for Singapore 7 years ago . Seven years! Time really can fly really fast when I realized it, Then I was also busy with packing, so many clothes I took with me and most of which are formal dress, ridiculous! Due to the fact I had worked in insurance company before I got the job in Star Crusies, almost all my clothes were suits for formal occasions.

想起7年前，也是夏天，我第一次走出国门，飞往我曾经梦想之地新加坡，也是准备大包小包的行李，那时好傻，带了好多衣服，因为之前在保险公司工作，衣柜里全是正装，就带去了大量的套装，到了那里几乎都没穿，最后扔了一部分，剩下的那部分一年后原封不动地背回来。

Secondly, for preparation of reference sera for serotyping, fifiteen serotypes of Haemophilus parasuis reference strains were cultured, harvested and inactivated prior to being emulsed with adjuvants for raising antibody in rabbits.

试验中，我们将引进的副猪嗜血杆菌15种血清型标准菌株在TSA培养基上增殖，收获菌体，灭活后用于免疫家兔，制备了分型血清。

Since tests prescribed in monographs have been developed using thioacetamide reagent R, if sodium sulphide solution R1 is used instead, it is necessary to include also for methods A and B a monitor solution, prepared from the quantity of the substance to be examined prescribed for the test, to which has been added the volume of lead standard solution prescribed for preparation of the reference solution.

由于专论中的试验描述使用硫代乙酰胺试液，如果用硫化钠溶液R1(0.1ml)代替，方法A和方法B的控制溶液应按照试验中待测供试品要求的数量加入到方法规定体积的标准铅对照溶液中。

Since tests prescribed in monographs have been developed using thioacetamide reagent R, if sodium sulphide solution R1 is used instead, it is necessary to include also for methods A and B a monitor solution, prepared from the quantity of the substance to be examined prescribed for the test, to which has been added the volume of lead standard solution prescribed for preparation of the reference solution.

各论中规定使用硫代乙酰胺试液，因此若要改用硫化钠溶液，无论是方法A还是方法B都应制备控制溶液。控制溶液的制法：取规定量的供试品，加入制备对照溶液所需的铅标准溶液。monograph可以翻译成&各论&，即具体品种的药典标准。

Sichuan cord blood stem cells Centre Ltd is mainly engaged in cord blood collection, preparation, cryopreservation, genetic testing, clinical applications and related biotechnology development and utilization of the high-tech enterprises, under the "Sichuan cord blood stem cell bank" by the Ministry of Health Approved setting, which includes the functions of the public library and the library in two parts, the public library for the vast number of patients as a source of hematopoietic stem cell cord blood, cord blood stem cell transplantation since the body can be frozen cord blood for the needs of individuals and Family members provide services.

四川省脐血干细胞中心有限公司是主要从事脐血采集、制备、冻存，基因检测、临床应用及相关生物技术开发利用的高新技术企业，下属的&四川省脐带血造血干细胞库&由卫生部批准设置，该库的功能包括公共库和自体库两部分，公共库可为广大患者提供作为造血干细胞来源的脐血，进行脐血造血干细胞移植；自体库可为需要冻存脐血的个人及家庭成员提供服务。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。