一、填空 1.五阶行列式中某项a1a2an1a,a3取正号,则s=_t 2.若 kx+y=0

The causes of acceleration of a system--The first law of motion states that zero total force exists when the system has a constant velocity; a nonzero total force on the system causes its acceleration

一、判断题:试判断对错,并写出原因或相应的公式(2分×5=10分) 1.熵增原理的表达式为:△S≥0() 2.二阶舍项维里方程可用于计算纯物质的逸度系数()

[3-11单组元流体的热力学基本关系式有哪些? [3-2]本章讨论了温度、压力对H、S的影响,为什么没有讨论对U的影响?

4.1粘性流体的两种状态是什么?其各自的定义是什么?(参考分数:5分) 4.2流态的判断标准是什么?(参考分数:5分) 4.3某管道直径d=50mm,通过温度为1℃的中等燃料油,其运动粘度v=5.06×10-m2/s试求:保持层流状态的最大流量。(参考分数:6分)

10.1 The Regulation of Markets and Institutions Financial system is one of most intensely regulated sectors of the U.S economy

The lever arm is the perpendicular distance from the axis of rotation to a line drawn along the direction of the force

The Stock Price Assumption Consider a stock whose price is s In a short period of time of length 8t, the return on the stock is normally distributed

Standard approach to Estimating Volatility Define on as the volatility per day between day n-1 and day n, as estimated at end of day Define S: as the value of market variable at end of day i