Noise is additional\unwanted \signal that interferes with the transmitted signal Generated by electronic devices The noise is a random process Each\sample \ of n(tis a random variable Typically, the noise process is modeled as\Additive White Gaussian noise”(AWGN) White: Flat frequency spectrur Gaussian noise distribution

HEAT EXCHANGER NETWORK SYNTHESIS 1: TARGETING OBJECTIVES: 1 Determine the minimum energy inputs required for a process 2Determine the minimum number of heat exchangers required to transfer this energy 3Develop a methodology for determining where these heat exchangers should be placed in the process

Module 4: Processes进程 1、Process Concept进程概念 2、Process Scheduling进程调度 4、Operation on Processes进程上的操作 5、Cooperating Processes协同进程 6、Interprocess Communication进程间通信

Module 7: Process Synchronization 1、Background(背景) 2、The critical- Section Problem(临界区问题) 3、Synchronization Hardware(同步的硬件实现) 4、Semaphores(信号量) 5、Classical Problems of Synchronization(经典同步问题) 6、Monitors(管程) 7、Java Synchronization(Java中的同步机制) 8、Synchronization in Solaris2( Solaris2的同步机制) 9、Synchronization in Windows NT( Windows NT的同步机制)

ESIGN METHODOLOGY III: RECYCLE STRUCTURE OF THE PROCESS goAL-- Determine alternate recycle structures for the process based on reactor operating requirements

WHAT IS ASPEN? A computer program for steady-state process simulation (a.k. process Flowsheeting) Developed for the simulation of Chemical Petrochemical Processes Coal-based Processes Petroleum Refining Polymer Processes One of many commercially available flowsheeting programs such as PROII (Simulation Sciences) HYSIM (Hyprotech)

CONTENTS INTRODUCTION A. Types of Material Balance Problems B. Historical Perspective CONSERVATION OF MASS A. Control volumes B. Holdup or Inventor C. Material Balance Basis D. Material balances I. PROCESSES The Concept of a process Basic processing functions C. Unit Operatic Modes of process Operations

4.1 进程(PROCESS) 4.2 进程控制 4.3 线程(THREAD) 4.4 进程互斥和同步 4.5 进程间通信(IPC, INTER-PROCESS COMMUNICATION) 4.6 死锁问题(DEADLOCK) 4.7 进程其他方面的举例

审计学（英文）_01 Summary of the Audit Process

风化作用( weathering) 在地表条件下,自然界的岩石受大气、水、生物 等因素影响,在原地发生机械崩解或化学分解,形 成松散堆积物的过程