例1设x2=vw,y2=uw,z=uv及f(x,y,z)=F(uvw),证明 2 x =ww x=x(u,v,w) 证方程组{y2=uw确定了函数组{y=yu,vw),先求这个函数组对各变元的偏导

Problem set 1 Solutions Due: Monday February 7 at 9 PM Problem 1. The connectives A(and), V(or), and =(implies)come often not only in com uter programs, but also everyday speech. But devices that compute the nand operation

VOCABULARY Section A Directions: There 80 sentences in this exercise. Beneath each sentence there are four choices. Choose the one word or phrase that you think best completes the sentences

3-1一台四极直流电机,元件数S=120,每元件电阻为0.2,当转速为1000r/min时,每元件的平 均电动势为10V。求当电枢绕组分别为单叠和单波时,正负电刷间的电压U和电枢绕组电阻R各 为多少?

VOCABULARY Section A Directions: There 80 sentences in this exercise. Beneath each sentence there are four choices. Choose the one word or phrase that you think best completes the sentences

Check n. A written order to a bank to pay the amount specified from funds on deposit;, a draft. 支票给银行从存款中支付具体款项的书面支票;汇票 Issue v.tr. To circulate or distribute in an official capacity:

Sputter deposition: Read Plummer Chap 9, Sections 9.2.2.2 to 9.3.10. Consider reading Ohring 1. You need to deposit a high quality (low electrical resistivity) Al film at a very high rate(v> I micron/min) and achieve good step coveage using sputter deposition

A Comparison of Tort Law(Example Sjef van Erp(Maastricht University/e)and Property Law(1) Fairchild v Glenhaven Funeral Services) Readers are reminded that this work is protected by copyright. while they are free to use the ideas expressed in it, they may not copy, distribute or publish the work or part of it, in any form, printed electronic or otherwise, except for reasonable quoting, clearly indicating the source. Readers are permitted to make copies, electronically or printed, for personal and classroom use Contents

Lecture 13: Molecular Devices Last time biological strategies for inorganic templating by organic materials Biomimetic organic template materials Biomimesis of bone Today Reading V Vogel, 'Reverse engineering: Learning from proteins how to enhance the performance

一、表面解剖 二、血管:股A及其分支;大隐V 三、神经:腰丛的分支;骶丛的分支 四、臀部:境界、层次、梨状肌上下孔、坐骨小孔