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Pretreatment with CGRP at the concentration of 5 nmol/L for 5 min markedly reduced the attenuation of CF and cardiac function and inhibited the elevation of MDA content induc...

CGRP（5nmol／L）灌流预处置5分钟能增加冠脉流量，改善心脏功能及抑制MDA的升高。

Using 800MeV/c electron beam, the time resolution and attenuation length of light transition in plastic scintillators, BC408 and EJ200 packed with Al foil and Tyvek paper, are measured respectively.

利用动量为800MeV/c的电子束，对应用不同包装材料的不同闪烁体(BC408和EJ200)的时间分辨率和光传输衰减长度分别进行测量，以铝膜包装EJ200为最佳选择，其本征时间分辨率好于90ps，达到BESⅢ的设计指标。

Using fluid dynamics FEM (two dimensional, three dimensional andaxisymmetric) and three dimensional acoustic FEM in meticulous analysis ofexpansion muffler structure, this paper studies the influences of each mufflercomponents' position, dimension, form and quantity on the fluid dynamic andacoustic performances;therefore the paper indicates that the end of the intruding tubeis the linchpin of the fluid dynamic performance of the whole muffler structure, thespringhead of muffler fluid dynamic performance is the smoothness of air current, themain factor which affects the acoustic attenuation value of expansion chamber muffleris the grade of saltation of the section of air conducting access, and the attenuationvalue of specific frequency can be dramatically enhanced by carefully designing thelength of expansion chamber.

本文通过流体力学有限元方法和三维声学有限元方法对扩张腔消声结构的参数化模型进行了细致的分析，研究了这种结构的各个组成部份的位置、大小、形状和数量对其流体力学与声学性能的影响，指出插入管端口是影响整个结构流体力学性能的关键，消声结构流体力学性能的根源是气流通过时的平稳程度；影响扩张腔消声量的主要因素为声波传播通路截面突变的程度，并可以通过精细的设计扩张腔轴向长度获得宽频或指定频率消声量的大幅度提高。

On the basis of numerical calculation of ultrasonic field of a spherically focusing radiator for various excitations such as continuous waves, attenuation waves and pulse waves, the characteristics of focal speckles for different excitations have been compared and the various factors which cause the changes of the characteristics of focal speckles have been studied.

数值计算了在连续波、衰减波以及脉冲波等不同激励方式下凹球辐射面的聚焦声场，在此基础上，对不同激励源的焦斑特性进行了分析比较，对影响焦斑特性变化的因素进行了分析研究。

"Please accept this talisman as a token of our thanks."

请收下这个护身符以表达我们的感谢。

If I have that magic, I will be more acceptable in the society.

如果我拥有那种魔法，我将更加被这个社会所容纳。