pareto diagram การใช้

• Apply both the principle of risk disposition and pareto diagram in the process of risk disposition could obtain the handle way and the according strategy from the railway reconstruction on construction safety
• Based on the technical parameters , quality matter and character of polymeric materials and its products , the statistical method such as orthogonal array design , pareto diagram , histogram , significance testing , fuzzy mathematics have been used to carry out a series of study . by doing so , the inherence relationship and variance property , degree and reason of polymeric materials and its products have been obtained ; it could get better improved by adopting correcting measure