This study investigates the supply conditions of college and university graduates in terms of total quantity and incremental quantity,analyzes the influencing factors of college and university enrollments,including re...This study investigates the supply conditions of college and university graduates in terms of total quantity and incremental quantity,analyzes the influencing factors of college and university enrollments,including regional population and GDP level,and finally,probes into the specialty construction situation of colleges and xiniversities in Liaoning Province,in order to further investigate the construction situation in each discipline,and thereby making an in-depth analysis of its development.展开更多
The traditional ventilation mode of subway vehicles adopts the form that the inlets and outlets are placed on the upper part of the cabin.The air distribution formed in this mode often cause serious problems of therma...The traditional ventilation mode of subway vehicles adopts the form that the inlets and outlets are placed on the upper part of the cabin.The air distribution formed in this mode often cause serious problems of thermal comfort and energy consumption.In order to solve these problems caused by the traditional ventilation mode,a new hybrid ventilation mode was proposed.The hybrid ventilation mode uses both upper and underside air supply inlets.A method for evaluating the air distribution performance of subway air conditioning was developed.The method applies non-uniformity coefficients,maximum temperature difference,air diffusion performance index,modified energy utilization coefficient and Air short-circuit comprehensive coefficient.Air short-circuit comprehensive coefficient was a new index to evaluate the degree of air short-circuit of supply air.Based on the airflow simulation,the air distribution performance for the hybrid ventilation mode was evaluated using these indexes,and compared with the traditional ventilation mode.The results show that compared with the traditional ventilation mode,the hybrid ventilation mode has more uniform temperature distribution,better thermal comfort,higher energy utilization efficiency and lower degree of air short-circuit of supply air.展开更多
基金Study on the Smooth Connection Between the Employment and the Industrial Demand for the Graduates from Universities in Liaoning,Investment Securities of the Demonstration Project of the Courses of Ideological and Political Education(Grant Number:202103018)launched by Liaoning Institute of Science and TechnologyTeaching Reform Program of Research and Practice on the Evaluation Standards of College and University Students' Academic Level(Grant Number:202101011)。
文摘This study investigates the supply conditions of college and university graduates in terms of total quantity and incremental quantity,analyzes the influencing factors of college and university enrollments,including regional population and GDP level,and finally,probes into the specialty construction situation of colleges and xiniversities in Liaoning Province,in order to further investigate the construction situation in each discipline,and thereby making an in-depth analysis of its development.
文摘The traditional ventilation mode of subway vehicles adopts the form that the inlets and outlets are placed on the upper part of the cabin.The air distribution formed in this mode often cause serious problems of thermal comfort and energy consumption.In order to solve these problems caused by the traditional ventilation mode,a new hybrid ventilation mode was proposed.The hybrid ventilation mode uses both upper and underside air supply inlets.A method for evaluating the air distribution performance of subway air conditioning was developed.The method applies non-uniformity coefficients,maximum temperature difference,air diffusion performance index,modified energy utilization coefficient and Air short-circuit comprehensive coefficient.Air short-circuit comprehensive coefficient was a new index to evaluate the degree of air short-circuit of supply air.Based on the airflow simulation,the air distribution performance for the hybrid ventilation mode was evaluated using these indexes,and compared with the traditional ventilation mode.The results show that compared with the traditional ventilation mode,the hybrid ventilation mode has more uniform temperature distribution,better thermal comfort,higher energy utilization efficiency and lower degree of air short-circuit of supply air.
