制备出单质碘掺杂聚苯胺催化剂I2/PAn,并以I2/PAn为催化剂对以乙酰乙酸乙酯、环己酮、丁酮、苯甲醛和正丁醛与二元醇(乙二醇,1,2-丙二醇)为原料合成10种缩醛(酮)的反应条件进行了研究,重点考察了影响苯甲醛1,2-丙二醇缩醛合成的各种因素．在确定的n(醛/酮)：n(乙二醇/1,2-丙二醇)=1∶1．6(物质的量的比),催化剂的用量占反应物料总质量的0．2%,反应时间为1h条件下,10种缩醛(酮)的收率在47．3%～94．2%之间．

一、选择与填空（50 分） 1. 某常压湿空气由 t1 被加热到 t2，则空气的性质参数变化为： H1（）H2、φ1（）φ2、I1（）I2、td1（）td2、tw1（）tw2、tas1（）tas2、cH1（）cH2、vH1（）vH2

I. Characteristics of Business I. Characteristics of Business Markets Markets II. Model of Business Buying II. Model of Business Buying Behavior Behavior III. Business Buying Situations III. Business Buying Situations and Process and Process IV. Value Building and Relationship IV. Value Building and Relationship Marketing Marketing V. Internal Marketing V. Internal Marketing

I. Levels & Structure of Demand I. Levels & Structure of Demand II. Measuring Current Demand, II. Measuring Current Demand, Area Demand, Future Demand Area Demand, Future Demand III. Sales Forecasting III. Sales Forecasting Techniques Techniques

I. Managing Marketing Efforts I. Managing Marketing Efforts II. Organizing the Marketing II. Organizing the Marketing Department Department III. Four skills needed for III. Four skills needed for effective implementation effective implementation IV. Types of Control IV. Types of Control V. Marketing Control Process V. Marketing Control Process VI. Marketing Audits VI. Marketing Audits

I. Discussion on Strategy I. Discussion on Strategy II. What is Strategic Planning II. What is Strategic Planning III. Steps in Strategic Planning III. Steps in Strategic Planning IV. Planning Functional IV. Planning Functional Strategies Strategies

I. The Importance of I. The Importance of information information II. The Marketing Information II. The Marketing Information System III. The Marketing Research III. The Marketing Research Process Process IV. Research Plan Designing IV. Research Plan Designing and Execution and Execution

I. Factors Affecting Consumer I. Factors Affecting Consumer Behavior Behavior II. Types of Buying Decision II. Types of Buying Decision Behavior Behavior III. The Buyer Decision Process III. The Buyer Decision Process IV. The Buyer Decision Process IV. The Buyer Decision Process for New Products for New Products

1997年在职研究生作文 Part Writing(30 minutes,15 points) Directions: In this part, you are allowed 30minutes to write a composition of no less than 100 words on The problem s I have in my English study. Your composition should be based on the following outline given in Chinese. Outline:①遇到哪些困难 ②产生原因 ③如何克服 The problems I have in my English study During my study of English, meet with some problems

1、准备压油过程： 随着喷油泵凸轮轴 的旋转，偏心轮推 动滚轮、推杆和活 塞向外运动，泵腔I 因容积减小而油压 升高，关闭进油阀3， 压开出油阀15，柴 油便由泵腔I通过出 油阀流向泵腔II