1. 了解酸碱概念的变迁; 2. 理解布朗斯特酸碱理论的意义和要点; 3. 理解路易斯酸碱理论的意义和要点; 4. 了解软硬酸碱的内容和应用; 5. 了解几种有代表性的路易斯酸。 5.1 布朗斯特酸碱 The Brfnsted-Lowry acid-base model 5.2 路易斯酸碱 The Lewis acid-base model
Ch. 3 Estimation 1 The Nature of statistical Inference It is argued that it is important to develop a mathematical model purporting to provide a generalized description of the data generating process. A prob bility model in the form of the parametric family of the density functions p=f(:0),0E e and its various ramifications formulated in last chapter
Some Terminology o In the simple linear regression model where y=Bo+ Bx+ u, we typically refer to y as the a Dependent variable, or a Left-Hand Side Variable. or Explained variable, or Regressand
The diffusion of new products and new processes of production within and between business enterprises is clearly one of the fundamental aspects of the process of growth and transformation of contemporary economies It is well known that the diffusion of new products and processes takes varying lengths of time: some economic agents adopt very early after the development of an innovation while others sometimes do it only after decades