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Fatigue lifetime assessment for an aircraft engine disc is important for the assessment of the engine reliability. This paper provides a new opinion to the fatigue lifetime assessment for aircraft engine disc based on the multi-source information fusion method using Bayesian inference. Subjective information quantifying method is used to transform the expert knowledge into prior distribution. Different...
In the paper, we first put forward an uncertain transportation model for transhipment not permitted when the pessimistic value criterion is true. Secondly, balanced condition of an uncertain transportation model is presented. Thirdly, we conduct the numerical experiments. Lastly, we analyze the changes of the total cost, the total number of shipping products and the average cost of shipping one unit...
The rural ecosystem environment is an item easy neglected for its taking effect slow, but it should be listed as an important content. The purpose of this study is to investigate the rural environment system of the new countryside construction in China. The incompatibility of the existing environmental management mode and rural environmental management system was discussed in detail. The results show...
The energy shortage and energy waste have created a bottleneck in economic growth in China. The energy management contracting (EMC) provides a solution to overcome the difficulty. In this study, the mechanism and operation mode of EMC were investigated, and the development and application of EMC in China were analyzed with the SWOT (Strengths, Weaknesses, Opportunities, and Threats) method. The results...
The connotation and characteristics of core curriculum were analyzed, and specialty course setup and construction of building environment and facilities engineering were investigated. The ideas and methods of strengthen the construction of core curriculum and promote the speciality teaching reform were presented. Practive have proved that the model has taken a significant role in promoting the explorative...
The chief purpose of the present study is to evaluate the training heating, ventilating, and air conditioning (HVAC) engineers and technicians in China. History of Chinese HVAC professional education was analyzed. Evolution of HVAC education mode was discussed. The results show that the fast renew of technology required new technology structure of HVAC technical personnel. Considering the current...
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