The Sarbanes-Oxley Act presents many measures such as enhancing the independence of CPA,elevating function of committee on public accounts,and setting up public company accounting oversee committee,which aim at combating the lack of independence in the accounting regulation system.

Through the analysis of both internal control systems and theSarbanes-Oxley Act of 2002, we discuss how to improve our own internalcontrol systems and make it become a satisfying and easy link framework.

According to 404 Sarbanes-Oxley s implementation,including the premises,conditions and problems or barriers the enterprises encountered,we analyze the new 1341 Auditing Standards and attempt to obtain the prospects of the implementation of 1341 Auditing Standards,including its advantages and disadvantages,and finally point out some issues to be concerned in the implementation.

Pollution due to NO_x and SO_x,brought about by the combustion of coal, has attracted the attention of countries all over the world and,how to reduce emission of pollutants,has become a vital topic in the field of combustion research.

A brief account was given of the research results on the technology for removing a variety of pollutants, such as alkali metals, SO x and NO x through the use of activated alumina.

, had been taken to control emission of NO x, SO x, ash and slag, obtaining obvious effectiveness.