.Unsteady, aperiodic motion in which all three velocity components fluctuate→ mixing matter, momentum, and energy. Decompose velocity into mean and fluctuating parts:

DESIGN METHODOLOGY: CHOICE OF PROCESS TYPE goaL-- Choose the process type appropriate to the plant to be designed

ENGINEERING ECONOMICS ESTIMATING THE PROFITABILITY OF A CHEMICAL PLANT Estimating Investment Estimating Cost of Production Profitability Evaluation Return on Investment (ROD) Payout time(Tpay) DCF Rate of Return(DCFROR) Transfer Price

目的：制作如图 93.1 所示的金属铭牌。 要点：调整好线性渐变的色彩是关键。本例 主要应用 Gradient Tool 工具来制作 完成

CONCEPTUAL DESIGN OF SIMPLE DISTILLATION COLUMNS Goals: Determine feasibility of proposed separation Estimate tray and reflux requirements Estimate column diameter and height

SEPARATION OPERATIONS: INTRODUCTION What are separation operations? Typical applications of separation operations Physical basis for separation operations Basic types of separation operations Performance characterization of separation operations Choice of separation operations

8.1明确检索需求 8.2确定对口网址 8.3登录门户站点 8.4选择搜索引擎 8.5确定检索方法 8.6信息检索技巧

文献检索_netlibrary 数据库使用说明

文献检索_EBSCO 全文数据库使用指南

感受的一般生理特性 1、适宜刺激 2、换能作用 3、编码作用 4、适应现象