The immune system is a network of interacting cellular and soluble components. Its function is to distinguish entities within the body as \self\ or \nonself\ and to eliminate those that are nonself

Thorndike called the association between sense impressions and impulses to action a bond or a connection. This marked the first formal attempt to link sensory events to behavior. Earlier brands of associationism attempted to show how ideas became linked together; thus Thorndike's approach is quite different and can be regarded as the first modern theme, of learning. His emphasis

1918-1959, worked at Uni. of California. His stay at Uni. of California was interrupted, when he was dismissed for refusing to sign a loyalty oath. He led a fight against the loyalty oath as an infringement （违反，侵害） on academic freedom and was

The primary purpose of school is to give students the skills and knowledge necessary for them to function effectively as adults in reality

Endocrinology (1) Roughly a hundred years ago, Starling coined the term hormone to describe secretin, a substance secreted by the small intestine into the blood stream to stimulate pancreatic secretion. In his Croonian Lectures, Starling considered the endo￾crine and nervous systems as two distinct mechanisms for coordination and control of organ function

Background Carbon monoxide (CO) is a colorless, odorless gas produced by incomplete combustion of carbonaceous material CO is formed as a by-product of burning organic compounds

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

Chapter1:linear programming 1． Examples and models of LP Graphic solution of LP There are three case in Graphic solution of LP as follows: （1）a unique optimal feasible solution （2）an infinite number of optimal solution （3）unbounded feasible solution

一、本章的教学目的与要求： 价格水平的决定理论； 宏观短期均衡所决定的变量；

一、动脉硬化是动脉管壁增厚、变硬，管腔缩小的退行性和增生性病变的总称。 二、动脉粥样硬化（atherosclerosis，AS）是动脉硬化中常见的类型，为心肌梗死和脑梗死的主要病因