The parallel-connection and variable-speed operation characters of the centrifugal pump groups are studied by conics fitting of the character curves in the high efficiency area.
通过对离心式水泵高效工作区的性能曲线进行二次拟合，分析了离心式水泵机组并联调速运行特性。
How to increase the efficiency, usability and convenience of clusters is a task in high performance computing area.
如何提高集群系统的运行效率、可用性和易用性是集群计算领域的一个重要的课题。
High heat conducting efficiency: the diameter-altered cooling end is able to increase the heat loss area and heat conducting efficiency.
传热效率高。变径后的冷凝端增加了散热面积，散热效率更快，传热效果更好。
The application of value engineering to logistics area performs an impressive role in solving the problems of low efficiency and high cost in logistics sector.
价值工程在物流领域中的应用对于解决物流行业存在的成本高、效率低的问题具有重要意义。
The fabrication of the steel pipe piles of the Bridge features small land occupancy area, high automization degree, high fabrication efficiency and stable fabrication quality.
大桥钢管桩制造具有占地面积小、自动化程度高、生产效率高和质量稳定等特点。
Screw compression refrigeration unit is one kind of large scale compression refrigerator with characteristics of big refrigeration capacity, small floor area and high efficiency.
螺杆压缩制冷机是一种制冷能力大、占地面积小、效率高的大型制冷机。
The result indicates:(1)The value of R grade means of the 3 Comprehensive Forecasting Methods is high in every area of the East China region, but the forecast efficiency is different from each other.
结果认为：13种综合预报方法在华东地区各区域的R评分值普遍较高，但预报效能各区域仍有差别；
It fits especially for mapping of large area of seafloor because of its high efficiency, high accuracy and fine terrain resolution.
它是一种高测量效率、高测量精度、高分辨率的海底地形测量设备，特别适合大面积的扫海测量作业。
System efficiency results in high yields per cultivated area.
有效的系统可以导致单产的增加。
Synthetic resin watts leaflet large area, pavement of high efficiency, process simple, supporting products are complete, fast installation province viz.
合成树脂瓦单张面积大，铺装效率高，工序简单，配套产品齐全，安装快捷省工省时。
The process is simple, high in extracting efficiency, small in covered area, and low in cost, and can raise the antioxidant performance of oil product without producing secondary pollution.
本发明脱酚方法简单，萃取效率高，占地面积小，成本低，且可提高油品的抗氧化性能，不造成二次污染。
The slicing method of the invention is capable of implementing high area utilization efficiency of the photovoltaic wafer.
本发明的切片方法，可以实现更高的光伏晶片的面积利用效率。
In traditional charge pump circuits, the output voltage is limited with the threshold voltage, and has to use high stairs to realize. It leads to low power efficiency and large layout area.
在传统的电荷泵电路中，输出电压受阈值电压限制，不得不用高阶电路来实现，致使电路效率低下、面积大。
The structure of oil cooler has the advantage of small size, light weight, heat dissipation area, and high cooling efficiency.
该结构油冷器的优点在于体积小，重量轻，散热面积大，散热效率高。
It has the advantages of small occupied area, with friendly man-machine interface, a high intelligence and efficiency, energy conservation and high production efficiency.
具有占地面积小，人机界面友好，智能化程度高，高效，节能及生产效率高等优点。
Efficiency enhanced si PIN detector and high sensitivity, large area si PIN detectors array has been developed and their sensitivity and relative error have also been simulated comprehensively.
提出了一种效率增强型硅pin探测器和新型高灵敏大面积硅pin探测器阵列的设计思想，并且对它们的探测灵敏度和相对误差进行了详细的理论模拟计算。
A method for the high efficient power coupling of large emitting area pulsed semiconductor laser and standard communication fiber is given and its measured coupling efficiency is up to 21%.
给出一种实现大发光面脉冲半导体激光器与标准通信光纤的高效耦合方案，实测耦合效率达21％。
Compared with tradition tractor and implement unit, a self propelled machine not only has simple structure, small unit and high efficiency, but also can be used in the paddy field and special area.
自推进耕耘机械与传统的拖拉机农具机组相比，其结构简单，机组短，效率高，适合在水田和特殊地块作业。
The utility model is a laser therapeutic equipment with large laser radiation area, high therapeutic efficiency and applicability to treatment of large focal area or wound surface of human skin.
本实用新型是一种激光辐射面积大、治疗效率高、特别适用于治疗人体皮肤大面积病灶区或创面的激光治疗机。
The invention discloses a screen filter, aiming to provide a screen filter that has the characteristics of large effective filtering area, high filtering efficiency and large flow.
本发明公开了一种网式过滤器，本发明的目的是提供一种有效过滤面积大，过滤效率高和流量大的网式过滤器。
In order to ascertain the high efficiency working area, it needs to draw its work character figure, traditionally, it must have a great number of testing data.
为了确定液压泵的高效率工作区域，需要做出其工作特性图，传统的作法需要大量的测试数据。
The utility model has the advantages of simple structure, low cost and high productive efficiency, having the application of dibbling wide large area of farmland.
本实用新型结构简单，成本较低，适于点种宽幅大面积的农田，生产效率很高。
The utility model has the advantages of low manufacturing cost, broad cleaning range, small occupied area, high operating efficiency, simple and convenient arrangement and attractive appearance.
本实用新型具有制造成本低，清洗范围广，占地面积小，工作效率高，布置简便、美观的优点。
The invention manyfold increases the area and the space of electrostatic precipitation, and has large air quantity, high precipitation efficiency and favorable air purification effect.
本发明成倍增加静电除尘面积和空间、风量大、除尘效率高、空气净化效果好。
The purifier has the advantages of small occupied area, high absorption efficiency and capability of cleaning the solid impurities in the exhaust gas.
本实用新型净化器占地面积小、吸附效率高、并能清除废气中固体杂质。
The invention has the advantages of high sewage treatment efficiency, good water outlet quality and small land occupation area.
本发明污水处理效率高、出水水质好、占地面积小。
Organic electroluminescent devices (OELD) have such advantages as low-voltage driving, high luminosity, high efficiency and large-area color display which can be realized.
有机电致发光(OELD)是近年来国际上的一个研究热点。有机电致发光器件具有低压驱动、高亮度、高效率以及能实现大面积彩色显示等优点。
Organic electroluminescent devices (OELD) have such advantages as low-voltage driving, high luminosity, high efficiency and large-area color display which can be realized.
有机电致发光(OELD)是近年来国际上的一个研究热点。有机电致发光器件具有低压驱动、高亮度、高效率以及能实现大面积彩色显示等优点。
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