1. Bonding & Molecular Orbital 2. Hybridization & Molecular Shapes 3. 3D Molecules Drawing 4. Isomerism 5. Polarity of Bonds & Molecules 6. Intermolecular Forces & their effects

Sec 1 Definitions Sec 2 Atomic Structure Sec 3 Bond Formation Sec 4 Resonance Sec 5 Acids and Bases

定理如果函数(x)和g(x)满足如下条件: (1)(x)和gx)都是当x-a时的无穷小(或无穷大); (2)x)和g(x)在点a的某去心邻域内都可导且g(x)≠0; (3m/(x)存在或为无穷大

1、了解在TC环境中如何编辑、编译、连接和运行一个C程序。 实验目的。 2、掌握输入输出语句中格式符的使用。 3、通过运行简单C程序,初步了解C程序的特点

5 points/problem(20 points total) 1. Two hydrogels are prepared from two different candidate polymers for controlled release of a protein drug, interleukin-2(IL-2). The gels exhibit the same swelling ratio at equilibrium, but jel a (formed by cross-linked polymer A, repeat unit molecular weight Mo= 100 g/mole)has a molecular weight between cross-links of 3,000 g/mole, while gel B (formed from cross linked polymer B, Mo=95 g/mole) has a molecular weight between crosslinks of

一、解释下列名词(共40分,每题4分) 1、激光共焦点扫描显微镜(laser scanning confocal microscopy) 2、功能基因组学(functional genomics) 3、胶原(collagen) 4、G蛋白偶联受体( protein-linked- receptor)

3定积分的性质 性质1(线性性质)若(x),g(x)均在a的上可积,则g(x)+角()也在[a,列上可积,且[af (x)+Bg(x)]dx=a f(x)dx+8 g(x)dx

一、选择题 1.反应H2(g)+Br2(g)2HBr(g)的K=1.86.若将3molH2,4 mol Br22和5molHBr放在10dm3烧瓶中,则…() (A)反应将向生成更多的HBr方向进行 (B)反应向消耗H2的方向进行 (C)反应已经达到平衡 (D)反应向生成更多Br2的方向进行

1 An introduction to biotechnological innovations Industry G. Mijnbeek and C. K. Leach 2 Biocatalyst in organic chemical synthesis R O. Jenkins 3 Efficiency of growth and product formation R.O. Jenkins

采用碱性氢化物体系发生原子吸收方法测定了钢铁中的微量铅.选择铁氰化钾-酒石酸钠为氢化物发生的氧化剂和配位剂,还原剂硼氢化钾的质量浓度为1g,L,测定液中氢氧化钠的质量浓度为3.6g/L,用12.5g/L的草酸酸化,方法特征浓度为0.073ng/mL,检出限为0.20ng/mL.此体系允许2.5 mL测定液中含铁、钴、镍的量为30,3,3 mg,可以满足直接测定钢铁中的微量铅的需要.通过对含铅0.002%(质量分数)的样品测定实验,得到了满意的结果