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Thermoresistant stress additives were applied with the feeds to dairy buffalos, to test improvement effects of additives on milk performance of dairy buffaloes under torrid weather, and to abate impact of high temperature and humidity on milk performance of dairy buffaloes.

实验方法：采用三类抗热应激添加剂(有机铬为吡啶甲酸铬、无机盐为碳酸氢钠和碳酸钾、烟酸)添加到泌乳水牛日粮的精料中饲喂泌乳水牛。

In recent years this tubing obtained the rapid development because of its long life, good hygienic performance as well as its strong, thermostable performance .

该管材寿命长、卫生性能好以及耐高温性能强，近几年得到了迅速的发展。

High concentration white masterbatch is prepared by using different titanium dioxide, PE wax and adding nanocalcium carbonate etc. to change the formulation of masterbatch in this paper. Hiding power, tinctorial power and dispersion performance were tested by color measure instrument and IBAS, and process performance, rheology were tested by Brabender torsion rheometer and INSTRON rheometer.

本文采用不同的钛白粉、聚乙烯蜡及添加纳米碳酸钙等助剂的方法改变浓色母粒的配方，加工制备浓白色母粒，通过测色仪、图像分析仪测试母粒的着色力、遮盖力和分散性能，通过转矩流变仪和INSTRON流变仪研究了母粒的加工性能和静态流变性能。

Kent Daniel and Sheridan Titman (2006) find that while a future return is unrelated to the firm's tangible information which is defined as information related to firm's past accounting-based performance, it is strongly negatively related to the intangible information which is orthogonal to the firm's past performance through decomposition of book-to-market ratio.

Kent Daniel和Sheridan Titman（2006）通过对净资产比市值的分解发现股票收益与有形信息（定义为与账面变化有关的信息）无关，而与无形信息（定义为与账面变化无关的信息）负相关。

Taking the towline as a flexible suspended cable with the rigidization and linear spring, this paper calculates the take off performance and level flight performance of the towed system.

分别采用拖缆模型中的刚化柔性悬索和线性弹簧模型对拖曳系统的起飞性能和平飞性能进行了仿真计算。

Three approximate methods (called as scaling, rectangle and trapezia methods respectively) for performance analysis of orthogonal space-time block code with M-ary phase shift keying and M-ary quadrature amplitude modulation over flat Rayleigh fading channels are proposed, and their approximate performance expressions are given.

在平坦瑞利衰落信道下，提出了3种正交空时分组码在MPSK和MQAM调制下的近似性能分析方法(分别称为放缩法、矩形法和梯形法)，并给出其近似表达式。

Three approximate methods (called as scaling, rectangle and trapezia methods respectively) for performance analysis of orthogonal space-time block code with M-ary phase shift keying and M-ary quadrature amplitude modulation over flat Rayleigh fading channels are proposed, and their approximate performance expressions are given-The analysis of approximate results shows that OSTBC can obtain full diversity orders.

在平坦瑞利衰落信道下，提出了3种正交空时分组码在MPSK和MQAM调制下的近似性能分析方法（分别称为放缩法、矩形法和梯形法），并给出其近似表达式。通过对近似结果的分析，OSTBC能获得满分集增益。

In thisdissertation, an architecture model based on parallel treen is employed to analyze the filedistribution performance of BitTorrent-like systems. With this model, we validate that theBitTorrent system has very good properties to support a large number of downloaders, andsheds light on the effect of the number of file pieces and concurrent uploading connectionsof a peer on the file distribution performance.

本文利用n叉树的结构模型分析了BitTorrent系统的文件分布性能，证实BitTorrent系统有非常好的性能支持大规模的下载结点同时下载共享文件，并指出文件被分割的块数和结点的并发上载连接数对系统文件分布性能的影响。

According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.

作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法：根据PWM整流器网侧矢量关系，直观地描述了其四象限运行的基本原理及特征；定量分析了VSR、CSR的PWM换相过程及波形特征；引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性；提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法；并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法；在研究了VSR电流控制策略基础上，提出了影响VSR电流控制的几个要素，并进行了定量分析；根据VSR空间电压矢量的定义及分布，提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略，并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略，有效地改进了滞环PWM电流控制性能。

It's the first time that a cultural and performance venue in China arranged a performance season aiming at triumphing in both art-quality and box office.

这是第一次，一个文化和演艺中心，在中国安排了本赛季的表现，旨在战胜在艺术质量和票房。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。