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net impacts
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     Net.
     Net开发工具编制了该解决方案的应用程序 .
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     NET.
     NET平台上构建故障提示系统。
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     DROUGHT AND ITS IMPACTS
     干旱及其影响
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     The Impacts of Monoculture
     农作物品种单一化的影响
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     (3) Climatic impacts.
     ( 3)对气候的影响。
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  net impacts
What this criterion is used to evaluate is the net impacts of GM trait.
      
The final reported statistics are the net impacts, considering that there will be a degradation in performance during the reconstruction period.
      
The emphasis of this approach is on assessing the gross and net impacts of a particular climate policy.
      
Thus the net impacts of flow 2 and 3 are likely to be net negative a negative acting on a positive.
      
Table 2 presents the decomposed and net impacts of imports on price-cost margins for each of the 24 industries in the sample.
      
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A binding force is introduced to present the net impact of various forces on moving particles that result in particle clustering. The cluster collision, break-up and reforming models are obtained by treating particle cluster as one discrete phase. These models are used to numerically study the two-phase flow in a Circulating Fluidized Bed(CFB), and detailed results regarding the dense two-phase flow characteristic in a CFB are obtained. Calculated results show that this method is feasible and can be used...

A binding force is introduced to present the net impact of various forces on moving particles that result in particle clustering. The cluster collision, break-up and reforming models are obtained by treating particle cluster as one discrete phase. These models are used to numerically study the two-phase flow in a Circulating Fluidized Bed(CFB), and detailed results regarding the dense two-phase flow characteristic in a CFB are obtained. Calculated results show that this method is feasible and can be used to study the two-phase flow in a CFB efficiently.

本文引入聚合力来表征稠密气固两相流动中颗粒所受到的团聚效应,井将颗粒团视为床内的离散相,建立了颗粒团的碰撞、形成及破碎模型。用此模型对循环流化床的两相流动进行数值模拟,得到了较详细的床内流动特性。计算结果表明,用本文的模型和算法模拟工程意义上的循环流化床内的两相流动是可行的。

This paper studies whether M&A creates value in China.Using the event study method and accounting indicators,it investigates 1216 cases covering all major M&A events related to listed companies from 1993 to 2002.The stock prices and financial performances of targeted companies are found to have both improved significantly after M&A deals;the reverse impact is seen on purchasing companies;and the net impact on purchasing and targeted companies as a whole is not statically significant.Therefore M&A...

This paper studies whether M&A creates value in China.Using the event study method and accounting indicators,it investigates 1216 cases covering all major M&A events related to listed companies from 1993 to 2002.The stock prices and financial performances of targeted companies are found to have both improved significantly after M&A deals;the reverse impact is seen on purchasing companies;and the net impact on purchasing and targeted companies as a whole is not statically significant.Therefore M&A creates value to Chinese securities markets since most listed companies are targeted companies,but it is doubtufl that M&A creates net value for the society as whole.Synergy effect explains why M&A is popular in China,and hubris hypothesis and agency motives explain why purchasing companies lose value.We also propose two new theories—“value redistribution hypothesis” and “internal decision mechanism hypothesis”.We show that they explain best the empirical results in the Chinese market.

本文采用事件研究法和会计研究法 ,对 1 993— 2 0 0 2年中国上市公司的1 2 1 6个并购重组事件是否创造价值进行了全面分析。实证研究表明 ,并购重组为目标公司创造了价值 ,目标公司股票溢价达到 2 9 0 5% ,超过 2 0 %的国际平均水平 ;对收购公司股东却产生了负面影响 ,收购公司股票溢价为 -1 6 76% ;对目标公司和收购公司的综合影响 ,也即社会净效应不明朗。理论分析表明 ,我国经济的转轨加新兴市场的特征为并购重组提供了通过协同效应创造价值的潜力 ,狂妄假说和代理问题等传统的并购动因理论有助于解释收购公司的价值受损 ,而本文提出的新的理论假说“体制因素下的价值转移与再分配”和“并购重组交易的决策机制” ,更直接地解释了并购重组对目标公司、收购公司和社会总体的不同效应。

By pooling or slowing flow behind a dam, there are temperature changes both within the reservoir and downstream. Analysis of these changes have important significance in estimating effects of hydroelectric powers on the local climate, aquatics and crops. Based on long-term monitoring data, stratified temperature patterns occurred in Longyangxia reservoir on the upper sections of the Yellow River in Qinghai province is analyzed. Because of important impacts of air temperature on the top layer water temperature...

By pooling or slowing flow behind a dam, there are temperature changes both within the reservoir and downstream. Analysis of these changes have important significance in estimating effects of hydroelectric powers on the local climate, aquatics and crops. Based on long-term monitoring data, stratified temperature patterns occurred in Longyangxia reservoir on the upper sections of the Yellow River in Qinghai province is analyzed. Because of important impacts of air temperature on the top layer water temperature of a reservoir and a river, a new model is established to assess net impacts of Longyangxia reservoir on the water temperature within the reservoir and downstream of the dam. In comparison with conventional models, the new model adds correctional factor for relations of the air and water temperature and avoids impact of natural factors on changes of the water temperature, thus, resulting in exact calculating results.

分析水库蓄水对水温的影响对于研究水库气候效应,探讨水库建设对水生生物和下游农作物灌溉的影响具有重要意义。本文建立了计算分层型水库对水温净影响的数学模型,并利用龙羊峡水库和下游河道实测水温和气温成果,在深入分析了龙羊峡水库水温类型和水温铅直分布规律的基础上,采用该模型计算了龙羊峡水库蓄水对坝前和下游河道水温的净影响。与传统的差值法相比,该模型引入了基于气温与水温相关关系的修正因子,扣除了自然因素引起的水温背景值的变化,可以获得更为准确的计算结果。

 
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