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Based on relationship marketing paradigm the trust mechanism of the impact of customer retention, trust are creatively divided into two dimensions of personal and enterprises, moreover it adds commercial friendship variable, then develops a structural equation model involving commercial friendship, trust of personal and enterprises and customer retention. The relationship among trust, commercial friendship...
High interaction is an important feature of service industry. During the process of service, staff would have high-frequently contact with customers, and the value of the corporation is delivered through these interactions. Normally there are some emotional events accompanying the process of service which will affect the emotion and attitude of the staff. Through reviewing literatures, the authors...
In case of the vortex pump, the paper simulated numerical value of three dimensional flow field under turbulence incompressible condition, applying Pro/E to sculpt the model, adopting SIMPLEC algorithm, RNG k-ε turbulence model and partitioning non-structure hex grid in the area of flow passage in the pump. The paper obtained distribution of velocity and pressure in whirl cavity of vortex pump, and...
For supplying optimal scheduling of Zhengzhou city with short-term water consumption data, this paper builds three types of forecasting model according to moving arithmetic mean method, regression analysis method and BP neural network. As a result, forecasting result is obtained by water supply data and meteorological data. The study shows that three different methods all can meet the need of urban...
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