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The heat generation curves of seven rubber materials used in tires with the changes of temperature have been obtained by using Dynamic Mechanics Analysis technique on NETZSCH DMA242 instrument, knowing that the heat generation of every other rubber materials except inner liner rubber changes lightly alone with the temperature within 10℃～80℃. According to the Fourier law, the heat transfer coefficients of tire rubber are measured by stable method on self-made experiment instrument. The coefficients changes lineally within 20℃～80℃ and the relation formulas λ=λ〓+bt are given out attached with λ〓 and b. The specific heat of tire rubber are measured on Differential Scanning Calorimeter NETZSCH DSC204 and the relations with temperature are linear and the formula is c=c〓+bT, where c〓 and b gained from experiment result data are presented in the paper. The heat convection coefficients on the surface of rolling tire are measured according to the principle of heat-mass transfer analogy principle after simplifying rolling tire into rotating disk with straight movement on wind channel. The relation with rotation speed of disk is linear as h=5. 399+0.0258n and the relation with straight line speed of tire is linear too, h=

论文采用动态力学分析技术，使用NETZSCH DMA 242型实验仪，获得了轮胎用七种胶料的生热率随温度变化曲线，确知除内衬层胶以外，其它各种胶料在一般胎温范围内（10℃～80℃）的生热率随温度变化不大；轮胎胶料的导热系数根据傅立叶定律的基本原理，采用稳态法在自行搭建的实验台上进行测试，结果表明，材料的导热系数在20℃～80℃的温度范围内随温度呈线性变化，论文给出了各种材料导热系数的线性变化的关系式λ=λ〓+bt及其λ〓和b的值；轮胎胶料的比热运用差式扫描量热原理，在NETZSCH DSC204型DSC实验仪上进行测试，结果表明，胶料的比热随温度的变化呈线性变化，其关系可用c=c〓+bT表示，文中给出了根据实验数据拟合的c〓、b的值；对轮胎表面的对流换热系数的测定，本文先将滚动的轮胎简化为有直线运动的旋转圆盘，而后采用萘升华热质比拟技术，在风洞中测量了滚动轮胎表面的对流换热系数，结果表明，圆盘表面对流换热系数与转速呈线性关系，即h=5.399+0.0258n，轮胎表面对流换热系数与其直线运动的速度呈线性关系，即h=

In order to obtain more general solution of second order linear differential equation with constant coefficients, which is important in theory and practice, on the basis of knowing a special of the second order linear differential equation with constant coefficients and by using the method of variation of constant, the second order linear differential equation with constant coefficients is transferred to the reduced differential equation and a general formula of the second order linear differential equation with constant coefficients is derived.

为了更多地得到理论上和应用上占有重要地位的二阶常系数线性非齐次微分方程的通解，这里使用常数变易法，在先求得二阶常系数线性齐次微分方程一个特解的情况下，将二阶常系数线性非齐次微分方程转化为可降阶的微分方程，从而给出了一种运算量较小的二阶常系数线性非齐次微分方程通解的一般公式，并且将通解公式进行了推广，实例证明该方法是可行的。

Don't get your lady lingerie for knowing her 3 days.

不知道她找女胸衣为3天。

Not knowing what was going to happen to me, or how rapidly the disease would progress, I was a loose end.

不知道将会有什么发生在我身上，也不知道我得的这个病的进展如何，我完全没有着落。

And this Alice would not allow without knowing how old it was, and, as the lory positively refused to tell its age, there was no more to be said

可爱丽丝不同意这点，因为爱丽丝压根儿不知道它的年龄，而鹦鹉又拒绝说出自已的年龄，她们就再没话可说了。

Indeed, she had quite a long argument with the Lory, who at last turned sulky, and would only say, 'I am older than you, and must know better'; and this Alice would not allow without knowing how old it was, and, as the Lory positively refused to tell its age, there was no more to be said.

你瞧，爱丽丝已经同鹦鹉辩论了好长时间了，最后鹦鹉生气了，一个劲儿地说："我比你年龄大，也就肯定比你知道得多。"可爱丽丝不同意这点，因为爱丽丝压根儿不知道它的年龄，而鹦鹉又拒绝说出自已的年龄，她们就再没话可说了。

Indeed, she had quite a long argument with the lory, who at last turned sulky, and wouldonly say, 'i am older than you, and must know better; and this alice would not allow without knowing how old it was, and, as the lory positively refused to tell its age, there was no more to be said.

你瞧，爱丽丝已经同鹦鹉辩论了好长时间了，最后鹦鹉生气了，一个劲儿地说："我比你年龄大，也就肯定比你知道得多。"可爱丽丝不同意这点，因为爱丽丝压根儿不知道它的年龄，而鹦鹉又拒绝说出自已的年龄，她们就再没话可说了。

To a scientist,the most important thing is knowing he does not lose track of what he is

对于一个科学家来说，最重要的是他清楚自己在做什么。

To a scientist, the most important thing is knowing he does not lose track of what he is doing.

对于一个科学家来说，最重要的是他清楚自己在做什么。

To a scientist, the most important thing is knowing he does not lose track of what he is T%n2

对于一个科学家来说，最重要的是他清楚自己在做什么。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。