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Molecular weight of Chodatells sp. is about 6000, and about 9700 for Nitzschia sp.. After treatment with potassium permagnate and ozone, no significant change was found in the MW of their EPS.

经实验分析绿藻的分子量约为6000；矽藻的分子量约为9700，使用高锰酸钾或臭氧进行氧化试验后，其胞外物分子量并没有显著的变化。

With the practice and research on the grade-determination of the cultivated land , the paper, based on the concept and purpose of the grade-determination of the cultivated land , has analysed the problems existing in the course of practice and summarized the reasons about " the rules of the grade-determination of farming land " which the Ministry of Land and Natural Resources had issued , including the issues about dependence between grading index of cultivated land and utilizing index ,or dependence between grading index of cultivated land and natural index , lack of the nationwide comparativity of the achievement on grade-determination of the cultivated land ,the sudden change indexes between the paddy field and its adjoint nonirrigated farmland, the representativeness of appointed crop and so on.

通过耕地分等的实践和研究，文章从耕地分等的内涵和目的出发，对国土资源部颁布的《农用地分等定级规程》在实践过程中所存在的问题及其原因进行了归纳和分析，其中包括耕地等指数与自然等指数、利用等指数的相关性问题，耕地分等成果在全国范围内缺乏可比性问题，相邻地块间水田和旱地的等指数出现突变问题，指定作物的代表性问题以及熟制问题等。

ABSTRACT The research about Chinese social history from 1949 to 1956 of academic circles was rankly concentrated on the gradation of social formation change, but the deepening of research about social history in those years can not be obtained unless the study penetrate into depth of social life from outward appearance.

学界对1949年至1956年中国社会历史的研究主要集中在社会形态变革这一层面上，然而，这一时期社会历史研究的深化，唯有在研究由社会形态变革的外表深入到社会生活的深处时才可取得。

I am stilleager to go back home , never ever change, however, they wont read through what in my mind, we have different concerns about life. I know i should spare a thought for them, too.What's my ideal job? but life is so realistic thing,the more wishes u have, the disappointteru will feel about it.....So what's the way to come over it? Just be sackless!!!! And just learn how to let all things go!!!!!!

都是这份工作压力很大，很多人都担心我做不好，不过看到老板那么有诚意的邀请我，我希望我不会让他失望，一定要成功，在怎么样都不能丢脸，来新加坡都要三年了，不作出点成绩无颜见江东父老！！

It is discussed about some new characteristics of MIS of tobacco collectivize enterprise in reform times. It is studied the relation about the change and unchange of information system scheme, and put forward a new model of information syetem based on 3-Tier.

变革时期的企业信息化具有一些新的特点，本文对此问题进行了探讨，研究了信息系统结构中变与不变的问题，并在此基础之上提出了一种具有良好灵活性与扩展性的三层架构的信息系统模型。

Methods The degree of knowing about the prevention and control of AIDS, the rate of high risk behavior, the number of condom use, and the change of the incidence rate of veneral disease were investigated and analysed before and after the programme. The effect on prevention anti control was apprasied. Results 16 months after the programme, pepole were more active to take part in the movement to prevent AIDS, showed more understanding and supporting to those who were engaged in preventing and curing AIDS, and more willing to accept patients with AIDS. The degree of knowledge about AIDS had risen up obviously, while the rate of the high risk behavior had fallen down.

调查分析临湘市爱滋病综合防治示范区实施爱滋病综合防治措施前后，社会人群对爱滋病防治工作的认知程度、爱滋病知识知晓率、高危行为率、安全套消耗量、性病发病率的变化，评价其防治效果结果实施综合防治措施16个月后，社会人群对爱滋病防治工作的积极参与、对爱防工作人员的理解支持、对爱滋病病人的接纳等认知程度显著提高，爱滋病知识知晓率明显上升，高危人群的高危行为率明显下降，市场安全套消耗量明显增加，性病发病率显著下降。

The third part: with the reference of teaching practice, first, it is emphasized that the rural junior Chinese teachers should have the modern education idea, strengthen their study, improve themselves and at the same time have the strong scientific research consciousness. Next, it is suggested that the government and educational administration department must consider the shortage of education funds, have the correct idea about rural talent and quality, that parents should change their backward ideas, correctly guide their children, care more about children's growth. Third, the rural junior students'interest in composition should be mainly stimulated from the following aspects: why do the rural junior students have to write, desalinating the composition concept, the composition teaching should be suited to the rural junior students

第三部分：结合教学实践，首先强调农村初中语文教师必须树立现代的教育理念，加强学习，不断提高自身的素质，同时要有较强的作文科研意识；其次，建议政府及教育行政部门必须考虑农村基础教育的经费不足的问题，树立正确的农村人才观、质量观，建议家长改变落后的观念，多引导、关心子女的成长；第三，着重从农村初中学生什么要写作文，淡化作文概念，作文教学要切合农村初中学生的实际，联系社会生活，利用学生的好奇感，创造农村学生作文成功的机会，成立作文&互助&小组等方面来激发农村学生作文兴趣；第四，着重从扩大农村学生阅读面，开阔视野，引导农村学生摘录、背诵、写日记、办手抄报和开设信息交流课，同时指导农村学生观察农村独特风貌，指导农村学生开展社会实践活动等途径来扩大农村学生校内外作文素材的积累；最后，着重根据农村学生的实际，狠抓识字、写字训练和口语训练，并通过范文引路，指导农村学生多练和作文评改等方面来提高农村学生的作文水平。

The next hand has a point about finessing and also one about 'change your tack'.

下一局牌既有飞牌的要点也有&随风转舵&的要点。

This is the team that pleased moderates and even some Republicans, reassured financial markets -- and made the party's liberals complain about 'retreads' and wonder what all that change rhetoric was about.

这一团队的人选使温和派人士甚至一些共和党人感到欣喜，对金融市场起到了安抚作用，却也导致民主党内的自由派人士抱怨新班子是&换汤不换药&，并质疑奥巴马所宣称的变革究竟体现在哪里。

Only a small minority of those surveyed, about 8 percent, said they have not thought about a change.

只有小部分的人，大约8%的人说，他们没想过要换工作。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。