puts forward the polymorphism of particle group movement in the CFB,conception of oxygen utilization efficiency and the wear controll ability prineiple,analyzes the main problems existing on the CFB boilers,such as the irrationality of particle diameter distribution, few coal feeding points,high carbon content in fly ash,and the draft fans being on large side etc.

In order to enhance the the service efficiency of laboratory housing,many universities are carrying on the laboratory housing management reform.

In this paper, based on brief analysis of the situation of human resource in China, through qualitative and quantitative methods, the research on service efficiency and economic benefit of human resource in China is made.

Using the shortage of teacher resource,the real situation of low service efficiency and its features in Inner Mongolia as a logical starting point,this paper evaluates teachers service efficiency with real data.

A Study on Efficiency in the Use of Agricultural Fertilizers and Farmers Behavior of Fertilization Based on Hubei Province;

According to the energy conversion process of the electric motor,the reason for the wastage of electric motor was elaborated,the concrete measures for decreasing various wastage were putted forward,and the method of increasing the(using) efficiency was discussed.

Based on the reason and precondition of universities instrument investment, through the analysis of outcomes of universities “key investment” in lab construction, this article focuses on the assessment of improving lab instruments using efficiency.

Some Suggestions about Increasing the Utilization Efficiency of Large-scale Medical Equipment;

In this article,the author intends to discuss how to promote the utilization efficiency of these equipments.

On such a scale, the administrative system, material resources and human resources become best availability factors.