Exactly comprehending and exercising LEC risk evaluation method, establishing and holding occupational safety and health management system, put an end to the divorce of the LEC risk evaluation method from practice.

Application of improved LEC method to hazard evaluation in hydroelectric project construction

Multi-hierarchy Entropy-value Comprehensive Evaluating Method of Manufacturing Informationalization;

Discussion on evaluating method of city road networks s tructure;

Study on evaluating method of academic level of scientific papers;

Study on noodles quality evaluation method by clustering analysis;

Study on evaluation method of water flooded layer in Chaoyanggou Oilfield;

Research on solution property and evaluation method of polymer gels and hydrophobic associating polymer;

Talk about appraisal method for enterprise s overall achievement index--equilibrium registration card;

Analysis and reform for index system and appraisal method in the evaluation system of student s quality;

The article gives an introduction of concept and influenc-ing factors of indoor air quality and gives analysis on influences of indoor airon human health and appraisal methods of indoor air quality to improve theindoor air quality and comfort the dwelling environment.