对中国旅行社业的经济分析与再定位

我国的旅行社业发育于当时特殊经济、政治环境和要求下，经历了计划经济到市场经济的转型。在这个过程中，旅行社行业出现了不少现实问题，如核心能力流失、产品单一、组织安排缺乏经济效率、规模过小、集团化虚设等问题。结合旅游经济学的理论和实践，从我国现在和今后的宏观经济走势出发，笔者探索和分析了未来我国旅行社业发展的各种趋势，主要表现在企业向产业纵深发展和产品向消费差异发展。     

原油脱盐工艺技术探讨

分析了原油稳定系统发生盐堵的机理,并在总结"盐堵三要素"的基础上对比分析了常规防堵解堵工艺,对解决凝稳装置盐堵问题进行了探讨。并在此基础上介绍了雅克拉集气处理站(简称:雅站)凝析油水洗脱盐工艺技术,分析总结了其优缺点,具有较强的借鉴意义。     

浅谈室内排水管道堵塞的原因及防止措施

从设计过程、施工环节、后期使用维护等三方面分析室内排水管道堵塞的原因,并提出有效地防止措施。     

探讨加气粉煤灰混凝土砌块墙体裂缝中若干问题的研究

粉煤灰加气混凝土砌块是一种轻质墙体材料,具有良好的隔热性能,施工较为简便,价格低廉。是我国夏热冬冷地区唯一能以单一材料方式满足建筑节能要求的墙体材料。分析了粉煤灰加气混凝土砌块墙体裂缝形成原因,并提出了解决墙体裂缝的各种技术措施。     

Block trades and the benefits of control in Slovenia1

Ownership and control have been concentrating in most transition countries. The consolidation of control introduces changes in the power distribution within privatized firms and, most importantly, redirects the corporate governance problem to a conflict between large and small shareholders. In this study, we evaluate the ownership changes in Slovenian privatized firms through an analysis of stock price reactions to the entrance of a new blockholder (the shared benefits of control) and through an estimation of the premiums paid for large blocks (the private benefits of control). We provide evidence of and discuss the reasons for the failures of the privatization investment funds in implementing control over firm managers and in promoting the restructuring of firms in the first post‐privatization years.     

艾柯夫采煤机牵引块壳体螺纹孔修复方法

介绍了艾柯夫采煤机牵引块壳体取断丝及失效螺纹孔的修复方法,采用合理的修复工艺,有效地解决了螺纹孔修复问题,提高了螺纹强度。     

Optimal variance- and efficiency-balanced designs for one- and two-way elimination of heterogeneity

Summary In this paper, a series ofE-optimal non-binary variance balanced (block or row-column) designs and a series ofE-optimal non-binary efficiency balanced (block or row-column) designs are provided in certain broad classes of competing designs. Furthermore, their high efficiencies by the usualA- andD-optimality criteria are shown.     

市场均衡就业区间与区间内两种特殊的就业失衡

现代市场经济运行中的社会均衡就业量并不只是一个孤立的点,而是一个区间。该区间具有较为复杂的性质与结构,其内部一般还存在两种特殊的、长期以来一直未引起人们注意的就业失衡－－区间内就业不足和区间内过量就业。从理论上阐明“市场均衡就业区间”的形成机理,并对其内部特殊的就业失衡进行必要的分析,将有助于我们深化对现代市场经济条件下社会就业规律的认识,同时,对在总量波动背景下进一步完善就业管理、实现充分就业,也将起到重要的理论指导作用。     

Corporate Governance: A Critical Survey of Key Concepts,Issues, and Recent Reforms in the US

This paper critically surveys basic corporate governance concepts and theories, assesses recent international empirical support of theories, and analyzes the impact of major, recent corporate governance reforms in the US. Comparing representative economies identifies the essential features of different corporate governance systems. Therefore, the corporate governance structures of a few countries (England, US, Germany, and Japan) are explored. In second part of the paper, some emergent issues of corporate governance such as the impact of block holders and emergent market regulatory changes are assessed. Finally, the effectiveness of the Sarbanes-Oxley act is evaluated.