一、比拟放大的内容: 罐的几何尺寸,通风量,搅拌功率,传热面积 和其他方面的放大问题,这些内容都有一定的 相互关系

发酵已经从过去简单的生产酒精类饮料、生产醋酸 和发酵面包发展到今天成为生物工程的一个极其重要 的分支,成为一个包括了微生物学、化学工程、基因 工程、细胞工程、机械工程和计算机软硬件工程的一 个多学科工程

The Lathe And Its Construction A lathe is a machine tool used primarily for producing surfaces of revolution and flat edges. Based on their purpose, construction, number of tools that can simultaneously be mounted and degree of automation, lathes-or, more accurately, lathe-type machine tools-can be classified as follows:

The Fourth method: Definition a dictionary will give you two different definitions of the word definition: ( \a statement of what a thing is\and(2)a\a statement or explanation of what a word or phrase means or has meant. \ In the strict sense a definition as we shall use the word here is not of a thing. but of a word or of a process The process of making a definition is not, however, a mere game of words. It is clear that we cannot make a usefu

Product quality is al ways a matter of prime importance in manufacturing. It should be given parameter the highest priority in process planning. The quality of a machined part can be expressed in coordination geometrical parameters( dimension

There are two basic methods of generating process manufacturing gear teeth,the generating process and the forming forming process process. When a gear tooth is generated, the workpiece and the grinding cutting or grinding tool are in continuous mesh and the tooth form is mesh

conical roller Bearings With rolling Contact In bearings with rolling contact, the shaft is needle idirectly or indirectly supported by rolling elements, cylindrical such as balls, cylindrical or conical rollers, orroller needles (i.e, ylindrical rollers with a high

transmission or many years a hydraulic system was plumbing considered the result of plumbing together number of components. Also, a hydraulic component system has been considered merely the of power for control servos. Each of these servo 1aB concepts can lead to basic errors

给水工程:取水一一给水处理一一配水 针对不同的水源水水质,经处理后满足工农业和生活的对水质与水量的要求。 排水工程:废水收集(来源于生活、工业和农业)一一废水处理一一排放或回用 水污染现状及来源

(1)了解物化处理的主要方法,掌握粗大颗粒去除的原理,掌握悬浮物质和胶体物质去除的基本原理和常用方法 （2)了解溶解物质的处理方法,掌握几种重要方法的去除机理,掌握消毒原理,熟悉常用的几种消毒方法;