查询词典 power-driven

If reject heat is employed as useful heat, for industrial processes or district heating, the power plant is referred to as a cogeneration power plant or CHP (combined heat-and-power) plant.

如果释放的热量作为有用的热能，工业处理或区域供暖，这样的电厂被称为综合热电厂，或者成为CHP工厂。

To power grid parameter and topology error which are two main factors for the compute result of power system analysis software , research and develop the parameter identification and topology error identification system of power grid.

针对电网参数和网络拓扑影响电力系统高级应用软件计算结果的两个主要因素，以开关有功潮流估计算法和多断面参数辨识算法为核心，研究开发了电网参数辨识与实时拓扑检错系统，并在福州电网得到了应用。

For the ill conditioned load flow caused by the error produced in the transformation from electricity quantities to average power, direct current load flow and sensitivity vector are presented to find out the ill node, then by adjusting the load curve and generation curve in a certain principle, which is shown in detail with several flow charts, a new operation mode is reestablished to ensure the convergence of the calculation. Optimal multiplier method is proposed to work out the least square solution according to ill conditioned structural power network. The electricity quantities flow method enhances the reliability and accuracy of the calculation of the power transmission losses.

该方法可根据当前输电网中各个变电站24小时的电量记录，利用电量潮流计算对输电网总线损和各条线路损耗进行计算，使计算的精度满足降损措施分析和指标考核的要求；并且对于由负荷出力曲线转化成平均功率计算潮流时引入的误差，进而导致潮流计算不收敛的情况，采用直流潮流法，依据相角对有功功率的灵敏度向量判断出"网络异常点"，并且给出了解决此种情况的方法流程图；针对结构病态的电力系统潮流计算不收敛的情况，运用非线性约束优化方法中的最优乘子法求解潮流方程的最小二乘解，从而解决了电量潮流法计算理论线损时的收敛性问题，增强了该方法的适用性。

ABSTRACT With the development of modern industry, more and more production processes and assemblies (like semiconductor manufacturing, computer integrated manufacturing system and paper making, etc) rely on those equipments whose kernels are CPU chips or power electronics devices. Moreover, owing to rapid use of large numbers of nonlinear or impactive loads and various faults in power system, many power quality problems will be caused, such voltage as sag, swell, unsymmetry, flicker, fluctuation, harmonics and so on.

随着科学技术及社会文明的不断进步和发展，尤其是以信息技术为先导的知识经济时代的到来，越来越多的自动化生产设备以对电能质量十分敏感的计算机或微处理机等为核心，这就对电能质量提出了更高的要求。

This paper expounds the causes of market power, indices of market power and mitigation of market power.

然后重点研究了不同市场模式和结算方式下市场力的影响。

We are a professional factory to produce Inverter Transformer、Power Factor Corrector、electronic power transformer、audio frequency transformer、 switching power transformer and inductance coil , main products are exported to America, Japan and Taiwan mostly.

本公司是生产各种贴片变压器、功率因素校正器、电子电源变压器和音频变压器的专业厂家，产品大部份与国内名牌整机厂家配套、出口美国、日本和台湾等地。

A series of researches have been developed on cathode design, process control and machining gap control etc. Several results that are valuable to applications and instructively significant have been gained.PECM is a new technology that the pulse power, especially the high frequency and short pulse current power, is applied and the traditional direct current power is replaced instead.

脉冲电化学加工是用脉冲电源代替传统的直流电源，尤其是高频、窄脉冲电流的引入，使脉冲电化学加工中间隙过程的电化学特性、流场特性和阳极溶解特性等都得到了很大的改善，其加工精度、表面质量和加工效率都有了很大的提高。

With the rapid development of power system and the interconnections of some power systems, stabilization monitoring and control of power system get more and more important.

随着我国电力系统发展和大区电网互联，电网的安全稳定控制越来越重要。

The practices of the power of detention and search back to the court indicated that the mechanism of the judicial review could protect the accused and the common citizen against the inurbane infringe of the national power,while the rough practice of the judicial review on the arrest and detention in Russia bear out that the realization of the judicial review should overcome many difficulties,especially change the old structure of national power and establish the new one.

我国台湾地区羁押权、搜查权收归"法院"的成功实践表明，司法审查机制能够成为保护被追诉者乃至普通公民免受国家权力无理侵犯的甲胄；俄罗斯建立法院对逮捕、羁押的司法审查机制的艰难实践却证明，司法审查制度最终得以实现需要突破重重难关，尤其是改变旧的权力格局，确立新的权力结构。

This paper is generaly devided into three parts,The first prepare knowledge,introduceing some conceptions asssociated with the polynomial ring and ring of power series such as power-zero element,inverse element and primitive polynomia and so on,prepare to introduce characters of power series.

本文主要分为以下三部分：首先介绍与环、多项式环、幂级数环密切相关的一些概念，如幂零元、可逆元、本原多项式等，为接下来介绍幂级数环的定义及其性质做下铺垫；然后着重讨论了环的性质，加深对多项式环与幂级数环的理解；最后讨论了多项式的性质，并将这些性质推广到幂级数环中，这也是本文的重点所在。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。