查询词典 single phase

It is found by the numerical calculation of single phase flow and the experimental results of two-phase flow that the fairing rings in the inlet and outlet of the vertical parts of inverse U tube can increase the flow stability of gas-liquid flow.

通过对单相流体在倒U型管内的流动进行数值计算，结合两相流体流动的实验结果，发现在倒U型管垂直段两端内置整流环可以增强倒U型管内气液流动稳定性。

One structure of using V/v connection and three phase three leg converter under direct or BT supply, one structure of using two single phase converter and V/x connection under AT supply are both researched and simulated detailed.

系统整体结构设计后，以直接供电或BT供电方式下，采用V/v接线变压器和三相三桥臂变流器，及AT供电方式下，采用V/x接线变压器和两个共用一直流环节的单相变流器的系统结构为对象，分别进行详细研究和仿真。

For the condition where both outlet states of cold plate are at superheated states, the mass flowrate for the fixed heating load is marginally higher than that of the smaller heating load, and the difference is insensitive to the rise of heating load. For this situation, the effect of accelerational pressure is negligible, and it is mainly attributed to two-phase/single-phase distribution pertaining to the effect of heating load.

若两冷板的出口均为过热状态下，固定热负载一端的流量会略多於施加瓦数较高的一端，且其差异量会随热负载不同而缓慢增加，在此一状况下，则加速度压降可以忽略不计，其原因在於单相／两相流在热负载下单相区与两相区所占的比重不同所致。

The main products has:§105mm -§1000mm large, medium and small diameter concrete, granite, marble, diamond saw blade;§20mm -§300mm hollow thin-walled diamond bit; various sizes of single-phase, three-phase drill reinforced concrete and concrete strength Qing Java machine, concrete pavement cutting machine and vibration rammers, petrol rammers, reinforcing steel cutting machine, bending machine, tamping machines and other frogs.

主要产品有：ф105mm--ф1000mm大、中、小直径混凝土、花岗岩、大理石、金刚石锯片；ф20mm--ф300mm金刚石空心薄壁钻头；各种规格单相、三相钢筋混凝土钻孔机以及混凝土强力清渣机，混凝土路面切割机和振动冲击夯，汽油冲击夯、钢筋切断机、弯曲机、蛙夯机等。

The effect of buoyancy is considered in the momentum equation of the CO transport model. The 3-D dust concentration field in the diversion tunnel with 50m long is simulated using the 3-D quasi-single phase models and a 3-D two phase flow model.

在粉尘扩散模型的动量源项中考虑了相间曳力、升力和虚拟质量力的作用，在CO运移模型的动量方程中考虑了浮力的影响。

It overcomes disadvantages of the qualitative engineering analogy and empirical method of ventilation time. It offers the theoretical basis to construction schedule simulation and construction scheme optimization.(2) The 3-D transient quasi-single phase models and a 3-D two phase flow model are proposed together with k-εequations.

采用数学模型解析的方法得到了定量的施工期通风时间参数，克服了传统分析中通风时间参数依据定性工程类比和经验确定的弊端，为施工仿真和施工方案优化提供了理论基础。

From Edison's 220-V three-wire dc grid to 4-kV single-phase and 2.3-kV three-phase transmission, ac transmission voltages in the United States have risen progressively to 150, 230, 345, 500, and now 765 kV.

从爱迪生的220V三相直流电网到单相4kV和三相2.3kV输电，美国的交流输电电压已经逐步上升到150，230，345，500和现在的765kV。

The Company produced the second Pulse-exchange spot welding, spot welding machine-energy storage capacitors, three-phase (single-phase) secondary rectification welding, spot welding and precision desktop higher degree of automation specialist machine, has been batteries, glasses, low-voltage electrical appliances, Household appliances, automobiles, stainless steel products, refrigeration industry, electric appliances and cable industries such as shelves widely recognized, southern China and Hong Kong and Taiwan has now become the largest production base of specialist welder Shide Qingli dedication over the years the product, without exception, Engraved with "use-based" imprint.

本公司出品的二次脉冲交流式点焊机、电容储能式点焊机、三相次级整流焊机，精密台式点焊机以及自动化程度较高专科机，得到了电池、眼镜、低压电器、家电、汽车、不锈钢制品、制冷业，电热器具和网线货架等行业的广泛认同，现已成为华南及港台地区最大的专科焊机生产基地

It is misunderstood that the backup impedance protection is high-ly sensitive to the inter-phase fault,inter-turn fault and single phase-to-ground fault at star winding of the windings of generator and transformer.

有些人误认为，后备阻抗保护对发电机定子绕组和变压器各侧绕组的相间、匝间短路、YN侧的单相接地短路有很高的灵敏度。

Because of this, the characteristics of three phase apparatus, in general, are superior to those of similar single-phase apparatus.

鉴于此，一般来讲，三相装置的性能比同等条件下单相电路的性能要好。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。