| 1. | Experimental investigation on partial load characteristics of gas engine - driven heat pump 燃气机热泵变负荷特性的试验研究 |
| 2. | A talk about determination of the partial load factors in design of building structures 浅谈建筑结构设计中荷载分项系数的取值 |
| 3. | To develop large capacity cfb boiler , the prediction of the partial load performance of cfb is becoming more necessary 随着循环流化床锅炉的大型化发展,其负荷调节性能越来越引起人们的重视。 |
| 4. | The results show that the secondary circulating pump system of the original system consumes a lot of energy and its control performance is poor under partial load 结果表明,原有系统的二次循环水泵系统能耗大、部分负荷调节性差。 |
| 5. | Within this huge company , every division had its own truck fleet , and individual trucks frequently left the warehouse with only partial loads 在这个大公司中,每一个部门都有自己的运输队,并且每一辆卡车离开仓库时经常不是满载的。 |
| 6. | The result indicates that the dynamic stress caused by hydraulic pulse at partial load is one of the important reason of the fatigue and cracks of the runner 结果表明由于水压力脉动引起的转轮叶片上的振动交变动应力是混流式水轮机疲劳破坏的主要原因之一。 |
| 7. | During the construction of the tunnels , technical problems like small spacing between tunnels and shallow embedment causing serious partial loading in the mouths of the tunnels were successfully solved , achieving better results in quality , safety and economic benefits 施工中顺利地解决了隧道线间距小、洞口段浅埋偏压严重等技术难题,在质量、安全、经济等方面都取得了较好的效果。 |
| 8. | Generally , the calculation results are proved to be reliable . the performance of the real 135mw cfb boiler under various partial loads is investigated by this model . the calculation results provide some useful conclusions for boiler design and operation 利用本文计算软件,对更多不同负荷下的工况进行了热力计算,就135mw再热循环流化床锅炉的部分负荷调节性能进行了更为细致的分析,得到了一些有益的结论。 |
| 9. | Through adjusting the controlling fuel injection - - regulations of the two injection timings and proportions , an adequate air and fuel charge stratification was produced - we call it quasi - homogenous mixture and the lean burn was successfully realized in a product 4 - valve s . i . engine whose structures are n ' t changed at all . investigations show that twice electronic fuel injection can make the lean limit ( a / f ) increase by 1 . 5 - 2 units ; the fuel consumption and exhaust emissions are improved remarkably , in partial load , compared with the product 4 - valve s . i 研究结果表明:两次喷油可拓展发动机稀燃极限1 . 5 - 2个空燃比单位,最高达23 . 5 ;发动机燃油消耗同原电喷发动机相比可降低19 . 1 % ;整个空燃比范围内,经过优化的两次喷油稀燃的最低油耗较单次喷油稀燃下降6 . 5 %左右,各种排放物机内生成量均有大幅度下降。 |
| 10. | Based on the accumulated engineering experience of cfb technology by tsinghua university , this paper develops a pseudo - static model to study the performance of a real 135mw cfb reheating boiler under partial load . this model is a semi - theoretical model in which some key parameters are according to the engineering experiences accumulated by department of thermal engineering , tsinghua university in the last fifteen years 本文在国内外已有研究成果基础上,尤其是根据清华大学热能工程系多年来致力于流化床燃煤技术的研究与开发所积累的丰富的工程经验,采用准静态模型化方法,对135mw再热循环流化床锅炉的部分负荷性能进行了研究。 |