It is significant in design of traction power supply systems and evaluation of relative power quality problems to build a proper electric load model for the electric multiple units ( EMU). 动车组电气负荷建模对牵引供电系统的设计以及电能质量相关问题的评估具有重要意义。
Eyes Adjust the Relative Power Ratio of Positive and Negative Changes and Myopia Study on the Relationship between the Incidence 眼正负相对调节力比值变化与近视眼发病关系的研究
Changes in the relative power of nations and continents are accelerating because of leverage provided by new technologies and previously unimaginable rates of economic growth and flows of capital. 在新技术及难以想象的经济增长率和资本流的杠杆作用下,世界各国和各大陆相对实力的变化正在加快。
The division of productivity gains between wages, profits and rents is a function of relative power as opposed to some kind of natural law. 如何在薪资、利润和地租之间分配生产率增长的成果,取决于力量对比,而不是某种自然规律。
Should the US be preparing to do more or less abroad as its relative power declines? 在美国相对实力衰落的时候,它是应该准备在国外多做一点还是少做一点呢?
Comparing the relative power of such a diverse group is slippery business. 要比较这些身份如此悬殊的人的权力大小可不是件容易的事。
As an illustration of what I mean about the relative power of programming languages, consider the following problem. 为了解释我所说的语言编程能力不一样,请考虑下面的问题。
But diplomacy is a test of relative power, not virtue. 但外交测试的是各国之间的相对力量而不是美德。
The current cleaning air conditioning system has many characteristics as follows: large air rate, lower the relative load, strong system resistance, great relative power consumption, etc. 针对当前净化空调系统风量大、相对负荷小、系统阻力大、相对能耗高等特点,研究净化空调系统的优化设计、最佳运行工况管理问题,以降低系统能耗,具有十分重要的实用价值。
There were gender differences, the relative power of α 3 in female was higher than that in male; 男女脑电活动存在差异,女生α3波的相对功率显著高于男生;
Relative power and role are core factors of power cycle theory in international politics. 国际政治的权力周期理论的核心要素是相对权力、角色。
Bilateral and multilateral arrangements make relative power consi  ̄ derations a key feature in the negotiation of trade treaties. 双边和多边协定使相关的实力因素成为贸易条约谈判中的一个关键特征。
Taking hard monohydrallite as example, two calculation methods of power consumption for grinding mill selection are described, namely direct power consumption method and relative power consumption method. 以一水硬铝石为实例,介绍了采用功耗法选择磨机的两种计算方法,即直接功耗法和相对功耗法。
Based on the six port relative power theory that for a given load the relative power ratios of different ports are left unchanged with the input power to the six port varied, characteristic parameters of detectors can be obtained through the least square method. 根据六端口相对功率理论即对某一负载各端口相对功率比值不随输入功率变化,由最小二乘法得到检波器的特征参数,结合四标准法,确定六端口网络的系统常数。
The Overview of the Development of the Speed Regulation System in AC Motor and the Relative Power Electronics Technique 交流调速系统及相应电力电子技术的发展综述
A novel heat pump ice thermal storage integration scheme based on reducing total mass ( including relative power system mass) of thermal control system of spacecraft is presented. 提出了旨在降低热控系统质量的热泵-蓄冷组合热控方案。
In order to solve the problem that the conventional PSS cannot effectively damp inter-area low frequency oscillation owing to local information, a supplementary excitation controller is designed based on the conventional PSS. This controller can feedback the relative power angles and rotor speeds. 为了解决传统阻尼控制器因限于本地信息而不能有效抑制区域间低频振荡的问题,在传统PSS的基础上设计了反馈区域间相对功角和转速的附加励磁控制器。
On the basis of Ito integral and FPK equation, the probability distribution of system relative power angle stabilization is studied. 在提出的伊藤随机微分方程的基础上,利用伊藤积分、FPK方程等数学方法,在原理上分析了系统相对功角稳态概率分布问题,即当时间充分大时,稳定态分布问题。
The inter-relation between BEAM and activities of daily life ( ADL) on the patients with acute cerebral hemorrhage ( ACH) was studied and found that there was certain value of the relative power of δ、α 1, and β 1 bands in predicting the recovery of ADL. 本文探讨了急性脑出血(ACH)患者BEAM与其日常生活活动能力(ADL)的相互关系发现,δ频带,α1;频带和β1频带的相对功率对ADL预测有一定价值;
More recently the field of research has expanded to include the effects of social factors, such as relative power, gender difference and social distance. 最近的研究领域已经扩展到社会因素对其的影响,如权力、性别差别及社交距离。
Direct and Relative Power Consumption Calculation Methods for Grinding Mill Selection 选择磨机的直接功耗计算法与相对功耗计算法
Studies about the electric railway and the safety of relative power factory 电气化铁路对相关电厂安全性的影响
It was noted that the relative power spectrum, the relative power spectrum ratio, and the number and location of the focus seemed to be good indexes for evaluating the prognosis of the patients with AICA. However, the size of the focus was not significant. 结果表明:相对功率谱、相对功率谱比值、病灶个数、病灶部位均是评估AICA认知预后的较好指标,而病灶大小的价值不大。
The system uses the phasor measurement unit ( PMU) to get the phasor of each generator, and sends these phasors to the server through the high-speed communication network to get the relative power angles in the global electrical network. 各相量测量装置(PMU)将各自量测的相量值通过高速通信网络传送到服务器上,从而得到全网范围的实测相对功角。
The differences of relative power of α frequency before and after flash stimulated in both groups were also significant. 病例组闪光刺激后α频率相对功率值降低,而对照组闪光刺激后α频率相对对功率值增高,两组刺激前后α频率相对功率值比较在大部分脑区的差异显著。
So the essence of interest is social relations and the core of it is power, especially relative power. 因此,利益的本质是社会关系,利益的核心是权力,特别是相对权力。
In the fifth meditation training process, subjects 'relative power of a brain waves were significantly increased and this increase could be remained in the five minutes after the practice ended. 在第五次冥想训练过程中,被试的大脑α波相对功率显著增加,并且这种增高在练习结束五分钟内仍然能够维持。
Therefore, we can regard the relative power in basic rhythms and the log energy entropy as valid indices for measuring mental fatigue. 因此,前额叶区的脑电各节律相对能量与脑电对数能量熵可以作为衡量精神疲劳的生理指标。