According to the teaching and management of CET4 in Xi an Petroleum University,on the premise of enough teachers and necessary teaching situation as well,some measures are taken to improve the passing rate of CET4.

After analyzing the relationship between the pass rate of TEM4 and teacher staffing via gray correlation analysis method,this thesis reveals the influence of the structure of teachers technical level and diploma as well as teacher-student ratio on the pass rate of TEM4.

On the Innovation of the English Teaching on the Basis of the Passing Rate of PRETCO;

Prediction for the passing rates of the national computer grade examination with time series analysis

Based on the data from the network,this article discusses the qualified standard,members passed,passing rate,test characteristic and item of exam of vocational qualification test of registered nuclear safety engineer from 2004 to 2007,which can bc used as a reference for technicians engage in nuclear safety in nuclear power industry.

The article analyzes the causes of students factors and teaching factors and brings forward the corresponding measures to increase the examinations (Grade B) pass rate of students English application ability.

This paper has made a thorough analysis of the past and present situation of the CET-4 and the principal factors that affect the students pass rate in our institute.

The new theory in this field is introduced and tried to get an effective access to the higher pass rate of College English Test Band Four and Six.

Using the flexible material shear performance tester,the shear performance of graded crushed stone was tested,the influences of variety sieve pores and their passage rates on the shear performance were analyzed.

Rules that govern the movement of flue gas gas particles, crossing bundles of smooth tubes in aligned arrangement, were obtained by numerical calculation, and a mathematical model of the passage rate of flue gas particles elaborated, which may serve as a guide, .