发动机测试数据采集与处理系统的设计及实现

文章探索的是有关发动机性能测试数据方面的技术。对发动机需要测量的数据有转速、扭矩、功率、耗油率、耗油量、机油压力、机油温度、冷却水温等参数。发动机测试数据采集与处理系统由上位机和下位杌组成。下位机主要采用AT89C52单片机，用汇编语言编写相应的程序，用模一数转换器ADC0809把模拟量转换为数字量；而上位机采用PC机，程序语言用VB，存储数据采用Access数据库，最终实现试验数据的显示、存贮与打印等功能。     

单片机在语音存储与回放中的应用

本系统以单片机 ８９Ｃ５１为核心，选用闪速存储器（Ｆｌａｓｈ Ｍｅｍｏｒｙ）ＡＴ２９Ｃ０４０作为语音的数字化信号的存储器件。阐述了一种实用可靠的设计方案。     

Recycling consumer solid waste: A commentary on selected channel alternatives

The recycling of consumer solid waste presents special problems for reverse marketing channels. Specifically, the accumulation of bulk quantities of homogenous materials from consumer-generated sources that are highly heterogenous in nature represents a major functional problem that must be overcome through the development of appropriate reverse marketing channels. In this article, factors influencing reverse channels development are outlined, and specific marketing implications concerning the three basic channel types that primarily handle consumer solid waste are discussed.     

Sales recruiting—A major area of underinvestment

How does a firm decide whether the amount now being spent to generate sales force applicants is too much, not enough, or about right? This question can be answered by using information routinely generated by corporate activities and a relatively straight forward decision theory technique. To illustrate that technique, an analysis was conducted for a hypothetical but by no means atypical firm. The results suggest that many corporations could appreciably increase their overall profitability by spending more on sales force recruitment and selection.     

CORRECTING FOR SAMPLING BIAS IN EDUCATION PRODUCTION FUNCTIONS

Sample selectivity bias arises in the estimation of education production functions when the process of selecting the sample is not independent of the value of the dependent variable. In this study, the dependent variable was a student's retention of microeconomics knowledge after a period of 6 weeks following the final examination. Potential sampling bias arises from a student's decision to participate or not to participate in the research. Results obtained from the Heckman selection model indicated minor sampling bias. Student ability and the male dominance in economics performance were overestimated in the OLS model. Student effort was underestimated.     

国际税务会计模式比较研究及对我国的启示

世界范围内大致形成了三种不同的税务会计模式,即财税完全独立的税务会计模式、财税完全同意的税务会计模式和财税相互协调的税务会计模式,本文选取了三种模式的代表国家美国、法国和日本作为研究对象进行比较分析。通过对三国会计环境的分析以及结合当前国内外经济发展形势指出我国税务会计的发展路径并为完善我国税务会计带来一点启示。     

并购式内创业中的人力资源整合水平和模式研究

When firms start intrapreneurship by merger or acquisition, the level and pattern of human resource integration becomes a critical issue. However, extant literature has paid scant attentions to this issue. Drawing on the previous researches on M&A intrapreneurship, the present article collected primary data of the level and pattern of human resource integration in M&A intrapreneurship by means of in-depth interviews and used content analysis method to structurally analyze the data. The results showed that enterprises engaging in M&A intrapreneurship generally choose a high or intermediate level of HR integration. Specifically, enterprises at high level of HR integration tend to absorb employees from the acquired directly or recruit afresh employees, while enterprises at intermediate level of HR integration are inclined to adopt an agent-type of integration pattern. Translated from Zhejiang daxue xuebao(Renwen shehui kexueban) 浙江大学学报(人文社会科学版) (Journal of Zhejiang University (Humanities and Social Sciences)), 2007, 37(1): 178–189     

The effective use of marketing research consultants

Relatively little has been written about effectively managing the buyer-seller relationship for marketing research services. To provide insights into effectively managing this relationship, a survey of both buyers and sellers of marketing research services was conducted. Major findings were that proper problem definition, a familiarity with research methods by the research buyer, and continuous communication between buyer and seller were critical determinants of a successful consultant relationship. For best results the market research buyer-seller relationship should be treated as a mutually beneficial one, not one of conflict or acrimony.     

Marketing research by a small industrial firm: A case study

There is a growing need today for industrial marketers to conduct marketing research and use the results in making profitable business decisions. This paper describes a marketing research study conducted by a small industrial firm and discusses the nature and extent of its impact on the firm's operations. Several implications and practical guidelines are derived for industrial marketers in general, based on the firm's marketing research experience.     

Analyzes on overseas investment way of the oil-gas field enterprise

Investment overseas for Chinese oil and gas enterprises can help them find more stable sources of oil, diversify oil import, and disperse oil supply security. It is an important means of oil security and also can enhance oil company＇s international competitiveness. Selection of the pattern plays an important role. So while making decision, investment pattern＇s features and influencing factors must be considered.