1.先发生二维不稳定性T-S波 2.三维不稳定性l,k波 3.底层发生涡的伸长卷起, 4.漩涡猝发和溅射後平静交替.湍流斑形成

Example 1. 1. The iterative rule po 1 and pk+1= 1.001pk for k=0, 1,..pro- duces a divergent sequence. The first 100 terms look as follows: P1=1.0170=(1.001010001.00100 p2=1011=(1001)(1.0000001 3=1012=(1001)(1.002011.00300 p100=1.0019(1.001)(1.104012)=1.105116

Determine a star for each seed against the other seed events By appropriately modifying and selecting complexes from stars, construct a disjoint cover of E that optimizes the criterion LEF Is the termination Criterion satisfied?

Digital Signatures and Message Authentication Code (MAC) overview Suppose Alice and Bob share a secret key k which determines hash function hk Alice sends (x, y) to Bob where y = hk

简化条件:双轴四自渡模型 Z S 若质量分配系数=p1l2≈1,msr 则前后悬架几乎是独的的。 K美C 作用:分析车身的动鼭性

Quiz: Section K, L, M and N, 40 min, English answer only 1. Please list the important cis-acting elements and transacting enzymes/factors in prokaryotic transcription including initiation, elongation and termination, and briefly describe their corresponding roles (35 point)

1、反应 NO2（g）21O2(g) + NO（g）在某温度下（设 T=300K）的Ø Kp=1.2×10-2，计算该温度下，下面两个反应的Ø Kp

一、化学是中心科学 1.材料：高纯Si、 GaN、超导材料、塑料、医药、仿生材料 2.生命：Hem + O2= HemO2 （血红蛋白Hem）CO (g) + HemO2 (aq) = O2(g) + Hem(CO) (aq)K = 210 3.环境：环境污染治理 4.能源：煤、石油、核燃料发电

9、(15分)简单计算题,直接计算出结果即可。(每小题5分) (2).已知系统状态空间表达式为=[-20+y=[01x,求使闭环极点为-1、-1-1-2的状态反馈阵K

尖峰电流是指单台或多台用电设备持续 1～2s的短时最大负荷电流,尖峰电流一般出现在电动机起动过程中。 （1）单台电动机的尖峰电流=K (A) （2）多台电动机供电回路的尖峰电流是最大一台电动机的起动电流与其余电动机的计算电流之和。 (A)