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From the influnce of pH change in water on the copolymerization, the copolymerization mechanism was provided. The copolymerization mechanism is that there is hydrogen bond, which can enhance the copolymerization, between acrylic acid and crotonaldehyde at low pH and there is"Charge Transfer Complex", which gives the more crotonaldehyde in P (acrylic acid-crotonaldehyde), between acrylic acid and crotonaldehyde at high pH.

根据共聚合反应介质pH值变化对丙烯酸-丁烯醛共聚合反应的影响，提出了丙烯酸-丁烯醛共聚合反应机理，即在低pH值时，丙烯酸、丁烯醛之间可形成氢键，从而使共聚合体系具有较高的聚合反应速率和转化率；在较高pH值时，丙烯酸、丁烯醛之间则有电荷转移络合物形成，从而使共聚物中含有更多的丁烯醛链段。

I don't mean that there is no need to emphasize centralism and unification by the Party, or that it is wrong to emphasize them under any circumstances, or that there is never any need to oppose decentralism or the assertion of independence.

我不是说不要强调党的集中统一，不是说任何情况下强调集中统一都不对，也不是说不要反对分散主义、闹独立性，问题都在于&过分&，而且对什么是分散主义、闹独立性也没有搞得很清楚。

In the former representation, if no restrictions are imposed on formulas, then there is no algorithm to realize the reasoning in the resulted knowledge base; in the latter representation, the reasoning in the ontology represented by the description logic is decidable, while in general, for mathematical knowledge described by the first order logic which contains the ontology represented by the description logic, there is no algorithm to realize its reasoning.

在前者的表示中，如果对公式不作任何限制，那么得到的知识库中的推理不是可算法化的；在后者的表示中，以描述逻辑描述的本体中的推理是可算法化的，而以本体为逻辑语言的一部分的一阶逻辑所表示的数学知识中的推理一般是不可算法化的。

The cardiomyocyte viability were detected by MTT assay for calculating the survival rate and the inhibitory rate of the virus. Myocardial F-actin and VEGF were analyzed by immunofluorescent staining with confocal microscopy. Mean fluorescent intensity of F-actin and VEGF were determined by flow cytometry.Results There is no toxicity on cardiomyocytes when PD is at concentration of 0.02 mmol/L and 0.2 mmol/L while there is toxicity at concentration of 2 mmol/L. CVB3 could reduce the viability of cardiomyocytes, depolymerize F-actin cytoskeleton and reorganize VEGF protein.

体外培养心肌细胞，用100 TCID50柯萨奇B3病毒（CVB3）感染心肌细胞，建立病毒性心肌炎实验模型，然后分别用0.02mmol/L、0.2mmol/L、2mmol/L三种不同浓度的PD处理感染CVB3病毒的心肌细胞，观察心肌细胞的形态和搏动，用细胞免疫荧光技术标记纤维状肌动蛋白和VEGF蛋白，四唑蓝比色法测定心肌细胞活性和病毒抑制率，流式细胞仪检测各组心肌细胞VEGF蛋白和F-actin平均荧光强度。

True, it is somewhat excrementitious in its character,and there is no end to the heaps of liver, lights, and bowels, as if the globe were turned wrong side outward; but this suggests at least that Nature has some bowels, and there again is mother of humanity.

真的，性质上这是分泌，而肝啊，肺脏啊，肠子啊，多得无底，好像大地的里面给翻了出来；可是这至少说明了大自然是有肠子的，又是人类的母亲。

6 The paper--there should not be cause business card printing and membership card to make up for bugs such as wet-exculsion, A B-I there is so much, so there should not be obvious business card printing and membership card making facular.

4.6 纸面不应有导致制卡和会员卡制作不上墨的湿排斥等缺陷，A等品、B-I等品不应有明显的制卡和会员卡制作光斑。

In ant hive, there is a kind of ant that is stronger and fightable; but there is no difference among them too.

在蚂蚁窝里，有一种蚂蚁特别雄壮，也善於打仗，它就是兵蚁。

In hive, there are no more senior or more inferior worker bees, the skills of all worker bees are the same. There is no a worker bee that is more competent for collecting honey or no a worker bee that is more fightable. Each of them can sting.

在蜜蜂窝里，工蜂就是工蜂，没有比较高级的工蜂或比较低级的工蜂；工蜂的技能也都是一样的，绝没有说哪只工蜂特别会采花蜜，或哪只工蜂武艺特别高强，因为，螫人的功夫，每只工蜂都会。

In hive, there are no more senior or more inferior worker bees, the skills of all worker bees are the same. There is no a worker bee that is more competent for collecting honey or no a worker bee that is more fightable. Each of them can sting.

在蜜蜂窝里，工蜂就是工蜂，没有比较高级的工蜂或比较低级的工蜂；工蜂的技能也都是一样的，决没有说哪只工蜂特别会采花蜜，或哪只工蜂武艺特别高强，因为，螫人的功夫，每只工蜂都会。

Occasionally you had broken up to think frowzily, new student website has a few to raise a clear profit pattern at the beginning, even if has, that no more than is advertisement, classify advertisement it may not be a bad idea, it may not be a bad idea of more accurate cent numerous advertisement, it is anyway from those advertisement large family (portal station and perpendicular station) the work of prize business, jump out this circle thinks, network advertisement market of China has how old, how many does profit have, the family status that more or less there is mature experience in this respect and perpendicular station are there?

有时候您翻过闷来想想，新生网站一开始有几个提出个明确的盈利模式来，即便有，那无非是广告，分类广告也好，更精确的分众广告也好，反正就是从那些广告大户撬生意的活，跳出这个圈子想想，中国的网络广告市场有多大，利润有多少，有多少在此方面有成熟经验的门户和垂直站？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。