The results is:the design parameters of step cylinder, weight, size of opposite hole et al, determines the flow margin.
结果表明:步进缸的设计参数(重量、对孔尺寸)确定其静态保持流量范围;
Danone said it would increase its outlook for 2010, targeting sales growth of 6%, a stable operating margin and free cash flow growth of at least 10%.
达能公司表示,将提高2010年预期,把销售额目标增长率定为6%,营业毛利稳定,现金流增长至少达到10%。
While trading velocity was strong in the third quarter due to all the volatility in the markets, much of the flow seem to be coming from lower-margin electronic trading activity.
虽然第三季度由于市场动荡,交易呈现快进快出的特点,但不少交易量似乎都来自毛利较低的电子交易。
A algorithm for optimal power flow with transient stability constraints (OPFTSC) based on transient energy margin is presented in the paper.
本文提出了一种基于能量裕度灵敏度下的含有暂态稳定约束的优化潮流算法。
Pressures under the margin of a deep cavity would similarly cause the underlying material to flow into it.
在一个深凹形体边缘的压力,同样会导致边缘部分物质的流入。
By combining the continuous power flow method with improved differential evolution calculation, the static voltage stability margin is found via optimal grouping of relevant variables.
在连续潮流法的基础上,结合经过改进的差异进化算法,通过对变量的组合优化,求取系统静态电压稳定安全裕度。
Results:Location, size, shape, density, margin and peritumorous edema could be shown by plain CT scan and state of blood flow by enhance CT scan.
结果:平扫可显示肿瘤的发生部位、大小、形态、密度、边缘及瘤周水肿,增强扫描可显示病变的血运情况。
An approach to congestion problem is presented, which combines OPF (Optimal Power Flow) and CPF (Continuation Power Flow) and maintains the system operating within voltage security margin.
采用将最优潮流与连续潮流相结合的方法解决阻塞问题,并使系统运行在电压安全裕度之内。
The minimum singular value of the power flow Jacobin matrix can be used to evaluate the voltage stability margin.
潮流雅可比矩阵最小奇异值可用来评估系统电压稳定裕度。
An experimental study on distinguishing stability margin of two phase flow by means of system correlation identification is described.
进行了用相关分析系统辨识方法判别两相流稳定裕度的实验研究。
Firstly, the problem of reactive power constrains of generator at slack bus is studied, and a load margin algorithm of continuation power flow of reactive power constrain at slack bus is proposed.
首先,针对传统连续潮流算法在计算负荷裕度时遇到的平衡节点发电机无功约束问题进行了研究,提出了平衡节点无功约束的连续潮流负荷裕度算法。
The results indicate that this kind of energy dissipation function can improve the water flow regime in the stepped spillways and reduce the flow velocity by a wide margin.
结果表明:此种消能工能改善台阶式溢洪道的水流流态,大幅度地减小水流流速。
The western margin of the basin was close to the source regions and very steep, so that pebbly subaquatic alluvial fans were formed that were deposited from a gravity flow.
盆地西缘距蚀源区近,坡度陡,形成了重力流成因的砾石质水下冲积扇。
A new approach to solve the stability-constrained optimal power flow (SCOPF) based on a novel transient stability margin index and its sensitivities is proposed.
基于一种新型暂态稳定裕度指标,提出了求解含暂态稳定约束的最优潮流(SCOPF)新方法。
The existence of NW-SE direction mantle flow under the continental crust in the north continental margin of South China Sea made the extension activities migrate from north to south.
南海北部陆缘下NW-SE方向流动的地幔流的存在使得伸展活动具有由北向南发育的机制。
We drove strong results in the second quarter, exceeding our own expectations for operating profit margin gains and free cash flow.
我们第二季度的业绩强劲,超过我们自己对经营利润收益和自由现金流的预期。
So, the problem of reactive power constrains of generator at slack bus should be considered when calculating the load margin and critical voltage by using the method of continuation power flow.
因此,在应用连续潮流法计算负荷裕度和临界电压时应考虑平衡节点发电机无功约束问题。
Research contents are as follows: a method to calculate security margin of operation state is proposed based on optimal power flow sensitivities.
研究内容如下:提出了一种基于最优潮流的运行安全裕度求解方法。
Restrained by the field monitoring conditions, the import and export gas flow may differ in a large margin, which can not reflect the true situation of aust removal facilities.
因现场监测条件的制约,会出现除尘系统进出口烟气流量差距过大的现象,由此不能真实反映除尘系统的状况。
The main reason of extended stall margin was that about 75% axial chord of the tip flow field has been improved.
②第一套方案对离心叶轮大叶片75%左右轴向弦长前尖部流场的改善是失速裕度提高的主要原因;
The main reason of extended stall margin was that about 75% axial chord of the tip flow field has been improved.
②第一套方案对离心叶轮大叶片75%左右轴向弦长前尖部流场的改善是失速裕度提高的主要原因;
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