| 1. | The second flow control technique available in j2ee is an
J2ee中第二种流控制技术是 |
| 2. | The design second flow formula in our country is used in the sovia union before . but the sovia used the probability method in the 1960s
如我国设计秒流量公式是沿用前苏联的计算方法，但苏联早在七十年代就以废除，并使用概率法。 |
| 3. | The methods of deciding water and hot watersupply design second flow imside of buildings include square root method , experience method and probability method
建筑内部给水、热水设计秒流量计算方法有平方根法、经验法和概率法等。 |
| 4. | The rib geometries have remarkable influence on the discharge coefficients of the film holes , by affecting the second flow pattern in the passage and reattachment point of the main flow ; 2
通道内不同位置处的气膜孔的流量系数不同，通道中后部的气膜孔的流量系数最高，而通道进口处的较低； 3 |
| 5. | The determination of water supply design second flow is one of the most important subject in building water supply and drainage and is the moist frequent question in designing
给水设计秒流量的计算是建筑给水排水中最重要的课题之一，是设计中使用最频繁的工作，如何将设计秒流量计算更符合实际情况是一个值得探讨的问题。 |
| 6. | The hot water and the watersupply second flow formula is the same in the existing criterion . but the veicle , the law , the time and the probability that the people using hot water is deflsrent from that of the water . so it should have a method
现行规范中热水设计秒流量计算方法与给水计算方法一样，但热水的用水器具、用水规律、使用时间和用水概率都与给水不同，应有不同的计算方法。 |
| 7. | Main contents for studying of the paper is : ( 1 ) analysing the outcome , characteristic and the problem of the hot water supplydesign second flow method in the europe and the usa . ( 2 ) it is determined that value frequenly of different fixture use in the period of using water high peak . ( 3 ) the relation between the n and the hot watersupply design second flow is got by applying program to computer under the different probablity
本课题研究的主要内容为： ( 1 )分析对比欧美主要国家热水设计秒流量计算方法的结果、特点及存在的问题； ( 2 )根据我国居民生活用热水特点，由用水量标准推算出各类型水用户用水高峰期的卫生器具使用概率； ( 3 )编制计算机程序，计算不同使用概率情况下，给水当量与热水设计秒流量的关系表； ( 4 )建立热水设计秒流量q _ g和给水当量n与使用概率p之间的相关关系； ( 5 )绘制《建筑给水排水设计规范》中有关热水设计秒流量计算方法的计算用图表。 |
| 8. | Based on it , the performances of all kinds of supersonic ejectors are compared and the effects of variety of input parameters on the performances of supersonic ejectors are discussed . the conclusion is reached , that the design scheme of small ejecting coefficient , high ejecting mach - number , combustion - gas driving should be adopted to develop high performance , high compression - ratio prs . thirdly , the method of computational fluid dynamics is used to numerically solve the flow - field of the annular supersonic ejector with or without a second flow
接着，推导了超声速引射器各种一维理论模型，并应用一维理论公式分析、比较了各种超声速引射器的性能及其变化规律，全面探讨了各设计参数对超声速引射器性能的影响，得到了高性能、大压缩比引射器系统应该采用小引射系数、高引射马赫数、燃气引射、优化超声速引射器设计方案的结论。 |
| 9. | The thesis analyse the dynamic characteristic of heat - exchange equipment from the regulation channels and interference channels by the way of system simulation , and confirm the law of dynamic response of the second average temperaure when the first flow ( or temperature ) or the second flow change , and finish the design of heat power station ' s energy regulation system hereby it . at last , it simulate heat - exchang equipment and heat power station ' s energy regulation system by using matlab / simulink
本文用系统辨识的方法分别从调节通道、干扰通道对换热器动态特性进行了分析，确定了当一次侧流量(或温度)或二次侧流量变化时，换热器二次侧供回水平均温度的动态响应规律，并据此建立了换热器数学模型组成了热力站能量控制系统。最后用maflab / simulink对换热器和热力站能量控制系统进行了动态仿真。 |
