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In order to select a kind of eminent grass which is adaptable to the northern China, the present thesis studies ten kinds of grasses from Gramineae, Bromus biebersteinii,Bromus inermis,Festuca arundinacea ,Festuca rubra,Dactylis glomerata ,Phleum pratense,Agropyron desertorum,Agropyron smithii,Elytrigia elongate and Phalaris arundinacea,and also explores the physiological aspects of their drought resistance, cold tolerance and barren resistance. The drought resistance experiment was conducted to study 10 grasses under water stress during seedling stage by simulating indoor drought environment.

为了能选适应我国北方地区的抗旱、耐寒、耐贫瘠特性的优良牧草，本研究以草地雀麦、无芒雀麦、苇状羊茅、紫羊茅、沙生冰草、蓝茎冰草、长穗偃麦草、猫尾草、鸭茅、草芦为材料，在抗旱、耐寒和耐贫瘠性特性三方面的生理方面进行了探索研究。

This thesis makes up the direction for Cu-Zn-Al-O catalyst, explores the perparation method and technological conditions、the reduction method and technological conditions of Cu-Zn-Al-O catalyst, investigates Cu-Zn-Al-O catalyst activity, and studies the kinetics of γButyrolactone synthesis reaction by the liquid phase dehydrocyclization from 1, 4-Butanediol on Cu-Zn-Al-O catalyst in the batch reactor.

研究了Cu-Zn-Al-O催化剂的配方、制备方法和工艺条件、活化方式和工艺条件，考察了催化剂的活性，并在全混釜反应器中研究了1，4—丁二醇在Cu-Zn-Al-O催化剂上液相脱氢环化合成γ—丁内酯的反应动力学特性。

Thus explores the process parameter of aerated biological ceramicite filter to use in the film waste water, using this system to substitute traditional process of active sludge processing film waste water, make treated sewage reach index of retrieval and utilization.

从而探索出曝气生物滤池用于胶片废水处理的工艺参数，通过此工艺取代传统的活性污泥法处理胶片废水的工艺，使处理后的污水达工业回用水的指标。

The second chapter explores the effect of policy on our citification in every stage in order to uncover the profound influence of policy change on citification development.

第二章论述了政策因素在我国城市化进程各阶段中的作用，揭示出政策的变化对城市化发展的深刻影响。

Facing to the new situation and new tasks, the accountants professions encountering many challenges, This papre combinate with current outstanding problems in it, deliberating and explores about it from the angle of accelerating the construction of accountants' career morality.

面对新形势新任务，会计工作遇到了许多新的挑战。本文结合当前会计工作中存在的突出问题，从加强会计人员职业道德建设的角度进行了初步的思考和探索。

Based on the existing works, this dissertation deeply explores the characteristics and behavior of task scheduling and load balancing in NOW, proposes and creates ten creative task scheduling and load balancing methods in NOW such as the sender and receiver combinedly initializing, process migration among nodes, runtime incremental concentrated scheduling and so on. These new ten methods are proved to be high practical.

本文在已有工作的基础上进行了探索和创新，提出和创建了包括发送者和接收者混合驱动、进程迁移、运行时增量式集中式调度等共10种新型的和被实验证明具有较高实用价值的基于NOW的任务调度和负载平衡方法。

The main concern of this dissertation is the relations between republicanism and modern political society. It demonstrates that republican commitment is the legitimacy of modern politics, which means that all members of a civic community share the political sovereignty and civic community should put more emphasize collective self-rule, but both dynamics of modern society and cotemporary dominating political social and moral language of liberalism go against the republicanism's commitment, so this dissertation explores that the civic community should renew the common good, regenerate the deliberative public sphere and foster civic virtue so as to remedy the maladies of modern society.

本文的核心问题是共和主义与现代政治的相关性，主要论点是现代政治的正当性基础在于共和政治的公民共同体全体成员共同享有政治主权，也即公民共同体集体自治原则，但是现代政治一方面是建立在对共和政治的规范性承诺基础之上，另一方面现代社会的内在动力以及现代社会的主流政治社会道德话语对于共和政治的实现和维持或者存在威胁，或者隐含缺陷，要维持和实现共和政治的规范性承诺，需要恢复公共善的优先性、重建协商的公共领域以及塑造公民德性。

Experimental study is practiced to examine AWJ cutting quality.By changing waterjet pressure and cutting speed,cutting kerf surface quality is studied.By the analysis of AWJ cutting mechanism and cutting process,the thesis explores the specific shape of the cutting section and its mechanism,and believes that the asymmetric distribution of abrasive jet's kinetic energy and jet's deflexion causing the formation of striations,waviness and cuspidate end.However,high-efficient cutting of AWJ could be achieved by...

对磨料水射流的切割质量进行了试验研究，通过改变水射流压力、切割进给速度来研究切割断面质量，对AWJ切割机理和切割过程进行了分析，探讨了AWJ切割断面的形貌特征及其形成机理，认为是射流断面磨料动能的分布不均和射流的偏转滞后造成了AWJ切割断面斜条纹和曲线及尖角处的尖端，提出了两种提高磨料水射流切割质量的方法。

The use of "the linear skill" plays an important part in the performing art of Chinese cymbalo. In this way, the thesis explores the meaning and role of "the linear skill" in the performance art of the cymbalo, through the practice of the cymbalo performance and each performing style of the four traditional schools of the cymbalo.

在中国扬琴的表演艺术中，&线性技巧&的运用占据着很重要的位置，本文以此为切入口，联系扬琴演奏的实践以及扬琴四大传统流派的各自演奏风格特点，探索&线性技巧&对于中国扬琴演奏艺术的意义和作用。

On the basis of the concept that cigarette smoke creates a molecular field of injury throughout the respiratory tract, this study explores oncogenic pathway deregulation in cytologically normal proximal airway epithelial cells of smokers at risk for lung cancer.

这是一个在肺癌早期发现领域的关键性的敲门砖，因为目前还没有方法来辨识出那些在吸烟者中的占10-20%的会生肺癌的人，而美国的当前和以前的吸烟者有9000万人之多。总的来说，这些发现可能帮助解决巨大的且在不断增长的公共卫生方面的与肺癌有关的负担问题。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！