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1·According to the sedimentation, a preliminary assessment was conducted on the polluted standard of the heavy metals in the deposit of the lake, in use of I geo.

对北京大学未名湖沉积物中主要重金属含量随深度的变化进行回归分析，应用地积累指数法对未名湖沉积物中重金属污染程度做出影响评价。

2·The only difference in assessing control risk at moderate or low is the difference in our preliminary assessment control procedures are somewhat more or less effective.

评估控制风险是中等还是较低，其唯一的差别是我们初步评估各种控制程序是比较有效还是比较无效。

3·Take prepared samples to the analyzer room. Make the preliminary assessment about the compound's properties and then select an appropriate PH-value system to analyse them.

将制备好的样品带到分析室，对化合物性质进行初步判断，选择合适的酸碱体系对其进行分析。

4·Objective:To establish the quick and valid primary culture method of human placental villus in vitro and set up a human trophoblastic cell line with preliminary assessment.

目的：建立快速、有效的绒毛滋养细胞体外原代培养的方法以及建立人滋养细胞株和初步评价。

5·Before communication consultation, I hope you can spend 5-10 minutes of first time through the web site, the design of our level and the ability to make a preliminary assessment.

在沟通咨询之前，希望您能先花5 - 10分钟的时间通过网站，对我们的设计水平及能力作一个初步的评估。

6·Preliminary assessment and screening of project proposals for research funds is one of the major tasks facing the department of research management in institutions of higher learning.

对科研基金申报项目进行初步评估和筛选，是高校科研管理部门的主要工作之一。

7·The Lao Foreign Affairs Ministry says a preliminary assessment of the footage suggests the 60-year-old activist may have been kidnapped because of a personal conflict or conflict in business.

老挝外交部说，对录像的初步评估是，这位60岁的活动人士可能“因为私人冲突或者经济纠纷被劫持”。

8·This article from the modern information society, the status quo, and the need for the future development trend, combined with the actual needs of the on-line title a preliminary assessment system.

本文从现代信息社会的现状、需要及未来的发展趋势出发，结合实际需要，对网上职称评审系统进行了初步的研究。

9·This paper studies the distribution characteristic of soil nitrogen and phosphorus in the new-born wetland of the Yellow river estuary, and carries on the preliminary environmental impact assessment.

研究了黄河口新生湿地土壤中氮磷的分布特征，并进行了初步环境效应评价。

10·The last part, on problem-based teaching, and through carries on the preliminary evaluation, the first semester quizzes and final assessment and the questionnaire survey to teaching are analyzed.

最后对问题式教学法进行初步尝试，并通过随堂评估、第一学期和第二学期期末评估和问卷调查的方式对教学情况进行初步分析。