在畜牧业生产以农户小规模饲养为主的时期粗放散养的小规模畜牧场饲养家畜头数不多,其粪尿 大多数作肥料就地施用,对周围环境污染不大。集约化工厂化规模化的畜牧业生产一方面大幅度地提高 了畜牧业生产水平,增加了畜产品的数量,另一方面产生了大量畜禽粪尿、污水等畜牧业生产废弃物,不 仅给家畜环境控制、改善以及家畜疫病的预防带来新的困难,而且,这些废弃物如不经处理,还会危害 家畜健康和生产,污染周围环境,形成畜产公害

Module 1-2-Examples

[本章概要] 8.1基本概念 8.2变量 8.3函数 8.4流程控制语句 8.5游标 8.6事务

本课程是电气学科大类平台的必修课程,适用于电气学科大类的电气工程及其 自动化、水利水电工程两个专业,为学科大类的主要技术基础课程。 理论课程教学为56学时/3.5学分;课程编码为800319采用英文原版教材、 双语授课

9.1 Routh's Stability Criterion About Stability: (P145. Section 1) 9.1.1 Define on the Stability of Closed-loop System: When the transfer function of system is(s), the output

Module 7 Higher -Order Systems (1 hour) TF in Evans or Bode form Approximate a higher order system with a first or second order one Effect of zeros and poles on the transient response Origins of zeros

Module 5 Second-Order System Time-Domain Response (2 hours) Ramp response Harmonic response Transient response as a function of the location of the poles

Module 3 First Order System (1 hours) First order systems .Time response of first order systems .Proportional feedback control of first order systems

Plot the bode diagram of a complex system Write the transfer function of system through the bode diagram

13.1 Conformal Mapping: Cauchy's Theorem (保角映射:柯西定理) Recall Stability Problem: To determine the relative stability of a closed-loop system we must investigate the characteristic equation of the system