Research of vibration locator mass adjustment based on laser technology;

With the emergence of the high voltage power electronic devices, the technique of dynamic power quality regulation is an effective way to solve the above problems.

This paper stresses the adoptable method of quantitative regulation and qualitative regulation, explains the way of comprehensive use of the geotherm.

Study on rice quality investigation and quality analysis of early and late long-grain nonglutinous rice in Guangdong province;

Based on the quality investigation of the on- site engineering accidents in well logging and drilling in Xianhe Production Plant of Shengli oil field in recent years, the analysis focuses on the main causes of the accidents, thus a series of preventive mea- sures are putting forth.

To roundly assess cultivator quality level,many technical specifications prescribe that quality investigation should be conducted so that cultivator quality information and its customers’ potential demands can be obtained.