Today's Topics What are we going to study this course? Design Process OCourse information and requirement. How to be an engineer? Methods of learning A brief review of the machine history OHomework

Why is the element stiffness matrix singular in a finite element formulation? 1. So that it can accomodate rigid element dis- placements without introducing spurious nodal 2 Because we made a mistake in the formula- tion the stiffness matrix should not be sin- g 3. Because we havent enforced any displace ment boundary conditions(it's a variational approach after all) Statement(1)

Learning objectives Explain what a project is and provide examples of information technology projects Describe what project management is and discuss key elements of the project management framework

一、选择选择正确答案填在相应的括符内。 1、细胞工程、()、酶工程、发酵工程是生物技术的主要范畴。 A、蛋白质工程B、基因工程C、微生物工程D、生化工程

一、选择:选择正确答案填在相应的括符内。 1、生物技术的主要范畴是:()、基因工程、酶工程、发酵工程。 A、蛋白质工程 B、细胞工程 C、微生物工程D、生化工程

1. Remember the following useful expressions and translate them into Chinese: 1. With a view to supporting your sales, we have specially prepared some samples of our new makes and are sending them to you, under separate cover, for your

Goal of the Firm 1) Profit Maximization? this goal ignores: a) TIMING of Returns (Time Value of Money Ch. 5) b) UNCERTAINTY of Returns (Risk- Ch. 6)

1.证明以下各式 (1). AUB=(AB). (2).,-UB, =UN(A,-B,)

第六章习题 1)苯酚(CHOH)(A)和对甲酚(CH4(CH2)OH)(B)的饱和蒸汽

1、求出下表中序号1、4、7的选择性系数。[429:87.5:703] 丙酮(A)一水(B)一三氯乙烷(S)在25℃下的平衡数据(质量%) 三氯乙烷相