点击切换搜索课件文库搜索结果(990)
文档格式:PPT 文档大小:779KB 文档页数:56
1. Kinematics of Mechanism: the study of motion without regard to forces That is about motion of the components and the basic geometry of the mechanism, and is not concerned with the forces which cause or affect the motion all the components of the mechanism are, in general considered rigid member 2. Kinetics or Dynamics of Mechanisms: the study of forces on the system in motion
文档格式:PPT 文档大小:179KB 文档页数:26
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
文档格式:PDF 文档大小:2.75MB 文档页数:28
The zeroth law of thermodynamics: The expression of the fundamental experiment fact. The first law of thermodynamics: The a statement of conservation of energy for pure thermodynamic system. The second law of thermodynamics: Why we need the second law of thermodynamics?
文档格式:PPT 文档大小:685.5KB 文档页数:79
10.3.1.4 Reaction of amide with formaldehyde 10.3.2 Catalysis 10.3.2.1 Theory of proton catalysis 10.3.2.2 Theory of Louis-acid Catalysis 10.3.3 Reaction on the agents of amide/ formaldehyde with cellulose 10.4 Principle of anti-crease 10.5 Quality of finished fabric 10.6 其它整理方法 10.7 Finish of lower formaldehyde and super lower formaldehyde as well as non-formaldehyde
文档格式:PDF 文档大小:466.82KB 文档页数:81
The Economics of Public International Law Alan O. Sykes\ Abstract: This paper is a preliminary draft for eventual inclusion in the Handbook of Law and Economics, A. Mitchell Polinsky Steven Shavell editors. It reviews and synthesizes the work of economists and law and economics scholars in the field of public international law. The bulk of that work has been in the area of international trade, but many of the ideas in the trade literature have implications for other subfields
文档格式:PDF 文档大小:111.54KB 文档页数:6
Lyapunov analysis, which uses monotonicity of a given function of system state along trajectories of a given dynamical system, is a major tool of nonlinear system analysis It is possible, however, to use monotonicity of volumes of subsets of the state space to predict certain properties of system behavior. This lecture gives an introduction to suc methods
文档格式:PDF 文档大小:77.72KB 文档页数:17
Nobel Lecture december 13. 1946 The history of the discovery of the exclusion principle m, for which I have received the honor of the Nobel Prize award in the year 1945, goes back to my students days in Munich. While, in school in Vienna, I had already ob- tained some knowledge of classical physics and the then new Einstein rel- ativity theory, it was at the University of Munich that I was introduced by Sommerfeld to the structure of the atom- somewhat strange from the point of view of classical physics. I was not spared the which every
文档格式:PDF 文档大小:2.37MB 文档页数:9
Equilibrium between slag and molten iron at 1600℃ was investigated for the direct alloying of steel with Nb2O6-bearing slag. The activity of niobium oxide in the slag was measured. The αNb2O5 is in the range of 10-2-10-4. TheδNb2O5 is ranged in 100-10-2.Niobium partition decreases with the increase of[Si]% and CaO/SiO2. When α[0] and ΣFeO decrease, niobium partition decreases too. The δNb2o5 and the ratio of γsiO2 to γNb2O5 decrease with the incre-ase of slag basicity. The suitable thermodynamic conditions in direct alloying of steel with Nb2O5-bearing slag have been found
文档格式:PDF 文档大小:107.82KB 文档页数:20
Preservative packagings for fresh meats should maintain acceptable appearance odour and flavour for product, while allowing the development of desirable characteristics associated with ageing and retarding the onset of microbial spoilage(Taylor, 1985). Such effects can be achieved by packaging meats under various atmospheres of oxygen, carbon dioxide, carbon monoxide and/or nitrogen. The atmosphere within a pack may alter during storage, because of reactions between components of the atmosphere and the product, and/or because of transmission of gases into or out of the pack through the packaging
文档格式:PPT 文档大小:2.9MB 文档页数:226
1. Automatic Control System 1.1 Introduction 1.2 An example 1.3 Types of control system 2. Mathematical Foundation 2.1 The transfer function concept 2.2 The block diagram. 2.3 Signal flow graphs 2.4 Construction of signal flow graphs 2.5 General input-output gain transfer 3. Time-Domain Analysis Of Control System 3.1 Introduction 3.2 Typical test signals for time response of control systems 3.3 First –Order Systems 3.4 Performance of a Second-Order System 3.5 Concept of Stability 4. The Root Locus Techniques 4.1 Introduction 4.2 Root Locus Concept 4.3 The Root Locus Construction Procedure for General System 4.4 The zero-angle (negative) root locus 5. Frequency-Domain Analysis of Control System 5.1 Frequency Response 5.2 Bode Diagrams 5.3 Bode Stability Criteria 5.4 The Nyquist Stability Criterion 6. Control system design 6.1 Introduction 6.2 Cascade Lead Compensation 6.3 Properties of the Cascade Lead Compensator 6.4 Parameter Design by the Root Locus Method
首页上页4567891011下页末页
热门关键字
搜索一下,找到相关课件或文库资源 990 个  
©2008-现在 cucdc.com 高等教育资讯网 版权所有