Comment on the Envelope Theorem in Microeconomics;

A Microeconomics-based Fuzzy Unicast QoS Routing Scheme in NGI;

Instead of the traditional research on sustainable development capacity with the conceptual description,on the basic of the establishment of the dual social system this paper made a micro-economics explain and mathematical characterization respectively for the sustainable development capacity r with the theory of EKC.

As a key subject for economic management majors,micro-economics has some features,such as abstract contents,complicated structure and milti-models,and it has become a difficult point for learners.

That micro-economics had come into being by the end of the 19~(th) century does not necessarily mean that its contents and system are already mature.

Applying principles of mining technical economics to the calculation and analysis of time value of ure remaining and funds overstockin in the employment of shrinkage stoping method;

Interpretions on Technology,Technical change, Technical Economics and Quantitative Economics;

Research on the Paradigm and the Periodical Division of Technical Economics;

On technological economics penetrated in enterprise;

Analyzing the means and deficiency of our universities teaching program in technological economics course on the basis of the investigation to some colleges and universities,introduces the development of the software for the financial evaluation of project and its application to teaching program, proves that the advantages and the application prospects of the software.

Based on this status,the authors of this paper analyse the necessity and imminence of founding the science system for information technological economics.