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Repurchase of B share is the key of study and discussion.The author thinkthat securities repurchase has been an convention of international capitalmarket and that B share public enterprises should be allowed to repurchasetheir shares according to the adjustment of their capital requirement in order touphold share price and the image of enterprises.The sixth chapter,thedemerger of A Share and B Share,proposes the demerger of the equity of anenterprise which has issued both B share and A share under special conditions,in the situation that the phenomena of different prices for the same equity isdeteriorating,and the tentative plan to set up one pure B-share publicenterprise and one A-share enterprise.In the end,this chapter demonstratesthe feasibility from the view of law and finance.

而B股回购是目前研究和争论的焦点，笔者认为，证券回购已成为国际资本市场上通行的惯例，应当允许符合条件的B股上市公司根据公司资本结构调整需要，维护股价和公司市场形象等原因进行B股回购；第六章A、B股分立，针对目前A、B股同股不同价现象日益严重，特提出有条件的A、B股上市公司进行股权分立，成立纯粹的A股上市公司和B股上市公司的设想，并从法律、财务等方面进行论证。

The amplified fragment was inserted into pRSET-A to generate the first double repeat of the precursor gene. By utilizing a pair of isocaudamer BamH I and Bgl II sites, and another downstream Hind III site of plasmid pRSET-A, following a series of simple double digestions and ligation of the resulted products, a series of repeat (3, 4 and 6) precursor peptide fragment genes were derived.

本实验设计一对两侧含编码疏水性氨基酸密码子的引物，经过扩增前导序列10~34aa基因序列，并重新克隆入质粒pRSET-A构建串联二聚体后，再利用质粒pRSET-A的BamH I / Bgl II同尾酶克隆位点，经一系列简单的酶切和连接，快速构建这一前导肽中不含组氨酸标签序列的串联多聚体基因，并成功表达其六聚体重组蛋白。

In a preferred embodiment, the Protein A eluant contains Protein A at a purity of greater than 95% and most preferably, at a purity of 97 to 99%.

在优选实施方案中，蛋白A洗脱液含有的蛋白A纯度高于95％，且最优选纯度为97至99％。

In one embodiment of the invention, anion exchange chromatography of the vegetarian Protein A media produces a vegetarian Protein A eluant that contains an at least 95% pure Protein A.

在本发明的一个实施方案中，植物蛋白A培养基的阴离子交换色谱产生含有至少95％纯蛋白A的植物蛋白A洗脱液。

The vegetarian Protein A eluant can be concentrated using a 10,000 MWCO filter to achieve a 5 to 20 mg/mL vegetarian Protein A preparation in a preferred embodiment of the invention.

在本发明的优选实施方案中，可以使用10，000MWCO的过滤器浓缩植物蛋白A洗脱液使植物蛋白A制剂达到5至20mg／mL。

Preliminary research shows that supplemental vitamin A improves the likelihood that the measles vaccine will provide protection. 6 Vitamin A has, since the 1920s, been the subject of much research into the prevention and treatment of childhood exanthems, particularly measles. 7 This nutrient has a critical role in proper immune function , and there is evidence that supplementation with vitamin A reduces the incidence and severity of, and deaths from, childhood measles. 8 9 The World Health Organization has therefore recommended that children with signs of deficiency receive supplementation with vitamin A. The recommended amounts are 100,000 IU for children younger than one year and 200,000 IU for children older than one year, immediately upon diagnosis, and repeated once the next day and once in one to four weeks.

11初步研究表明，补充维生素A的可能性，提高麻疹疫苗将提供保护。6维生素A已自20世纪20年代，被纳入预防和童年exanthems，特别是麻疹治疗中的许多研究课题。7本养分有在适当的关键作用免疫功能，并有证据表明，补充维生素A减少发病率和严重程度，以及，儿童麻疹死亡。8 9世界卫生组织已因此，建议与不足的迹象儿童得到补充与维生素A的建议金额10万国际单位的儿童未满一年，20万国际单位的儿童一年以上，立即诊断，重复一遍，第二天，一次在1至4周。

Part of program-controlled automatic traps (square design, automatic control) CBS-A 358 × 345 × 250 in vitro collection: 100, the maximum capacity of each: 12ml timing range: 1 second -9999 seconds, choose a sub--- 9999 points, arbitrary choice movement: a programmable control program number: 10 in vitro disk: Optional, 16/36/100/169, free combination (matching A disc-type tube can be resistant to organic solution)(L-type matching in vitro expansion of the collection plate may be) power-off function to preserve data and programs, retention time: Ten years characteristics: square design, XY movement, high-precision liquid crystal display a blue screen, the whole operation of the Chinese menu.

程控全自动部份收集器 CBS-A 358×345×250 收集试管：100支，每支最大容量：12ml 定时范围：1秒—9999秒，任意选择 1分—9999分，任意选择移动方式：可编程控制程序数：10个试管盘：可选配，16/36/100/169，自由组合（选配A型试管盘可耐有机溶液）（选配L型试管盘可扩容收集）断电数据和程序保存功能，保存时间：十年特点：方型设计，X-Y移动方式，高精度液晶蓝屏显示，全中文菜单操作。

To tune to this tuning on a standard six string guitar the low E string is lowered to a B; the A string is lowered to a D, the D string is left the same, the G string is lowered to a D, the B string is raised to a D, and the high E string is lowered to a D.

在一般吉他上调这个调弦低音E要调低成B，A弦调低成D，D弦保留，G弦调低成D，B弦调高到D，最高弦E调低到D。

This Program Project is composed of five projects and an administrative core unit. The specific aims of Project 1 are to study the roles of SPE B, SPE A, M protein and NADase to correlate with bacterial virulence and disease severity in different clinical spectra of GAS infections. We will also study the pathogenic factors of a unique virulent clone of Ml strain caused dominant invasiue GAS disease in Taiwan in the past two years. The effects of penicillin and clindamycin on the production of SPE A and SPE B will also be determined.

本群体计画包含有5个子计画及一个行政核心计画，第一子计画的目标在於研究热原性外毒素A，B和M蛋白及NADase在A群链球菌感染中的功能及其与细菌致病力、疾病严重性的相关性，同时将针对一株最近在台湾造成侵犯性较强的A群链球菌菌株研究其致病因子的异同，并将探讨抗生素penicillin及clindamycin对於热原性外毒素A及B产生的影响。

Now the social pressure is too great, a few days before I see the Internet now most people are like you and the like, I think that it is estimated that only a dream, in reality, or bow to the will, to look for a High-tech high-duty work it up, in the community, Big Wave sharpen your own, then I wish you a happy ah work. B: Now as we have such a high responsibility to young people looking for high-tech work has become a trend, and pressure from all sides is too great, not a well-paid work and life issues are ah, I get to a job fair , High-tech high responsibility to find someone still does not look at it. A: Yes, I wish you good luck, good-bye. B: good-bye.

现在社会压力太大了，前几天我上网看现在大多数人也都和你想的一样，我的那个想法估计也就只是梦想了，在现实社会中还是会低头的，去找个高新高责任的工作努力吧，在社会的大浪里磨砺自己吧，那祝你找到一个称心的工作啊 B：现在像我们这样的年轻人想找高新高责任的工作已经成为一个趋势了，来自各方面的压力太大了，没有一份高薪的工作生活都是问题啊，我还是赶快去招聘会了，高新高责任的工作有人想找还找不上呢 A：好的，祝你好运，拜拜 B：拜拜

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。