| 1. | Uniformly varying load 均匀变负载 |
| 2. | The high - inertia time - varying load pump - control - motor hydraulic test system based on computer control 基于计算机控制的大惯量时变负载泵控马达液压试验系统 |
| 3. | Waste - determination of the permeabiblity coefficient of field by a varying load test in a covered boring 废物.采取在带盖的钻孔中进行变化载荷试验测定现场渗透性系数 |
| 4. | The analytical solution for the case under the constant loading is obtained , and the iteration formulae of the effective stress for the case under the varying loading are also done by dividing the varying loading into instantaneous ramp loading 在变荷载作用下,把变化阶段的荷载划分为一系列不连续的剧加荷载,导出有效应力的递推公式。 |
| 5. | Theoretical analysis and simulation results show that the controlled system has stronger robustness and high - speed for constant tension control , and it has better control efficiency even under bigger vary loads 理论分析和仿真结果都表明该系统对带钢恒张力控制具有很强的鲁棒性和实时性,即使在变工况下(大范围变负荷下)也保持了良好的控制性能。 |
| 6. | This paper adopts sequential monte carlo simulation technique and time - varying load model to assess multi - fault reliability of typical distribution network considering line capacitance constraint and power flow of distribution system 本文在考虑线路容量约束和潮流分布的条件下,采用序贯蒙特卡罗仿真和全年时变负荷模型评估典型配电网多重故障模式的可靠性。 |
| 7. | The combustion - optimizing and automatic control system is being adopted on boiler no . 2 in jiaozuo power plant , successfully realizing the combustion optimizing control of said boiler under constant load and varying load conditions , the on - line combustion debugging test , and the monitoring analysis of operation economic behavior , making the said boiler always to be safe operation with highest efficiency , enhancing averagely the boiler efficiency to more than 0 . 5 % , economic benefit being obvious 摘要焦作电厂2号炉采用燃烧优化与自动控制系统,成功地实现了锅炉定负荷和变负荷过程的燃烧优化控制、锅炉在线燃烧调整试验和运行经济监测分析,使锅炉时刻在最高效率下安全运行,锅炉效率平均提高0 . 5 %以上,经济效益显著。 |
| 8. | In such cases , shakedown analyses are of practical significance . shakedown analyses are aimed to evaluate ultimate bearing capacity of soil structures or foundations under varied loads . shakedown theorems , which are generalizations of the limit theorems , can provide appropriate bounds of externally - applied loads for such complex loading programs 究其原因,一方面安定性分析的应用研究还不够充分,实验验证也不够多;另一方面安定性分析在处理复杂结构时的计算规模非常大,使得实际问题变得不可求解。 |
| 9. | According to our experimental investigations of varying load amplitude , it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles , the ratio of peak value of overload to that of the regular cycles should be over at least 1 . 35 to make the retardation taking effect . the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc . ) 本文试验分析了变幅载荷对裂纹扩展的影响,证实了有机玻璃也存在超载迟滞现象,通过金相观察分析,提出超载迟滞的过程实际上是裂纹前缘萌生新的裂纹的过程的观点,同时提出超载迟滞的合理的解析,并且给出超载迟滞比,为随机载荷下疲劳扩展模型的建立提供了一个重要的参数。 |
| 10. | Comparing with passive control , active control is more complicated and it need large amount of energy , although its performance is better than other control me thods in theory . semi - active control is a new control method that its control rely on the structural responses or external disturbances , and its control devices can change working status to adapt the vary loads comparing with passive control . and it does not need the large amount of external energy supply 与被动控制相比,半主动控制的特点是能随结构动力反应或外界载荷的变化及时调整控制状态,使控制装置的减振作用更好地发挥出来,因而其控制效果更显著;与主动控制相比,半主动控制不需要外部巨大能源的保证,也不存在控制失稳问题,因而半主动控制已成为结构振动控制新的研究方向。 |