89,the average number of useful embryos per goat is 14.

Study on High Availability BOP Control Network in the Power Plant;

An Sample of Database High Availability on HP-UX;

Application of virtual mechanism in high availability system based on autonomic computing;

On the basis of analysis of the reliability of coal bin, the model on the reliability of extraction and conveyance system is established in the high output and high efficiency mines which have one face or two faces, and the calculating formulas of effectiveness and relative rate of utility of the system are also given.

On the basis of analysis of the structure of fully mechanized face system, the mathematic model for studying the reliability of the man machine environment system of fully mechanized face is established with the application of systematic reliability, ergonomics and grey system theory, and the calculating formulas of the effectiveness of the system are also given.

Based on the application of systematic reliability and grey system theory and fuzzy mathematics method, the reliability of the man machine environment system of caving fully mechanized face is studied, and the calculating formulas of the effectiveness of extraction system and caving system are also give

Analyzing usable fluid volume and proposal of accumulator bottles;