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The factors A and the rate constants are given at temperature range of 200-1200 K.The results in-dicate that the loss of aβ-hydrogen from 2-hydroxyethyl radical to yield vinyl alcohol and that a 1,3-hydrogen shift to form ethoxy radical have close A factors and rate constants.

用量子化学结果和Eyring过渡态理论计算了200－1200K温度范围内，标题反应的A因子和速度常数，结果表明，2－羟乙基脱去β－H生成乙烯醇与其经［1，3］重排生成乙氧基有相近的A因子和速度常数，且常温下速度较慢，反应难以进行。

The film optical constants in 300~700 nm waveband are obtained and the relation between microstructure and optical constants is also discussed.

用场发射扫描电子显微镜FE-SEM研究了薄膜表面微结构，并讨论表面微结构与光学性能间的关系。

This paper clarifies the relationships between compliance coefficients and engineering elastic constants combined with orthotropic nature of wood, and twelve elastic constants of Betula platyphylla Suk.

该文结合木材的正交各向异性特征论述了木材的柔度系数与其工程弹性常数的关系，并采用电测法测试了白桦木材的12个弹性常数。

Results: The determinations of the microscopic characteristic constants of 8 samples and the study of correlation of the chemical component and the microscopic characteristic constants of Cortex Moutan are completed.

结果：完成了8个样品的显微特征常数的测定工作，并对牡丹皮中化学成分与显微特征常数进行了相关性研究。

Objective: Choosing experimental conditions of the determination of microscopic characteristic constants of Cortex Moutan by homogeneous experimental design and measuring the microscopic characteristic constants of Cortex Moutan from different areas and classes.

目的：采用均匀设计法确定牡丹皮显微常数测定的实验条件，对不同产地、不同等级的牡丹皮进行显微特征常数的测定。

Time constants do not increase but the weights of the fittings concentration de pendently enhance as the external Ba2+ concentration augments. So the inac tivati on becomes faster and faster as the external Ba2+ concentration increases. Time constants decrease and the weights of the fittings concentration dependently enh ance as the external Ba2+ concentration augments when external Ba2+ concentratio n (10 or 100 μmol/L) is higher. So the inactivation becomes faster and faster. It is showed that Ba2+ can go deeper in IRK1-T from the surface of the ch annel a s external Ba2+ concentration increases.

三级指数拟合表明：细胞外Ba2+低浓度(1和3 μmol/L)时，Ba2+与K+相互竞争同一结合位点，随着Ba2+浓度的增加，时间常数不增加但拟合的权数却浓度依赖性增加，所以失活过程随Ba2+浓度的增加越来越快；细胞外Ba 2+高浓度(10和100 μmol/L)时，时间常数随Ba2+浓度的增加而减少，拟合的权数却浓度依赖性减少，失活过程也越来越快，说明Ba2+作用位点由通道的表面部位进入通道更深的地方。

Time constants do not increase but the weights of the fittings concentration de pendently enhance as the external Ba2+ concentration augments. So the inac tivati on becomes faster and faster as the external Ba2+ concentration increases. Time constants decrease and the weights of the fittings concentration dependently enh ance as the external Ba2+ concentration augments when external Ba2+ concentratio n (10 or 100 μmol/L) is higher. So the inactivation becomes faster and faster. It is showed that Ba2+ can go deeper in IRK1-T from the surface of the ch annel a s external Ba2+ concentration increases. CONCLUSION: Two diffe rent mechanisms for external Ba2+ blocking exist.

三级指数拟合表明：细胞外Ba2+低浓度(1和3 μmol/L)时，Ba2+与K+相互竞争同一结合位点，随着Ba2+浓度的增加，时间常数不增加但拟合的权数却浓度依赖性增加，所以失活过程随Ba2+浓度的增加越来越快；细胞外Ba2+高浓度(10和100 μmol/L)时，时间常数随Ba2+浓度的增加而减少，拟合的权数却浓度依赖性减少，失活过程也越来越快，说明Ba2+作用位点由通道的表面部位进入通道更深的地方。

Time constants do not increase but the weights of the fittings concentration de pendently enhance as the external Ba2+ concentration augments. So the inac tivati on becomes faster and faster as the external Ba2+ concentration increases. Time constants decrease and the weights of the fittings concentration dependently enh ance as the external Ba2+ concentration augments when external Ba2+ concentratio n (10 or 100 μmol/L) is higher. So the inactivation becomes faster and faster. It is showed that Ba2+ can go deeper in IRK1-T from the surface of the ch annel a s external Ba2+ concentration increases. CONCLUSION: Two diffe rent mechanisms for external Ba2+ blocking exist.

三级指数拟合表明：情绪细胞外Ba2+低浓度(1和3 μmol/L)时，Ba2+与K+相互竞争同一结合位点，随着Ba2+浓度的增加，时间常数不增加但拟合的权数却浓度依赖性增加，所以失活过程随Ba2+浓度的增加越来越快；情绪细胞外Ba2+高浓度(10和100 μmol/L)时，时间常数随Ba2+浓度的增加而减少，拟合的权数却浓度依赖性减少，失活过程也越来越快，说明Ba2+作用位点由通道的表面部位进入通道更深的地方。

In this paper,we study emphatically two dimension space,the relations of pointwise nonsquare constants and the relations between the value of pointwise nonsquare constants and other geometric properties.

本文重点研究二维空间并且研究了点态非方常数之间的关系和点态非方常数的取值与其他几何性质的关系。

First of all, we present the development background and process of covex theories and geometric properties of Banach spaces, the significance of pointwise geometric constants and geometric constants of spaces, and we provide discu-ssion of content of each part of the paper.

首先，本文详细叙述了Banach空间凸性理论与空间几何性质的发展背景和进程，及空间几何常数与点态几何常数的研究意义，并给出了本文各部分所讨论的内容。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。