空运行

The environment wind around the air cooling condenser has a bigger influence on the efficient of air cooling condenser and the normal of the whole system.

空冷凝汽器周围的风环境状况必然会对空冷凝汽器效率和正常运行有很大影响。

In this paper, experience in energy saving via operation management of cooling plant for air- con.

介绍了某化纤厂空冷站和空压站的运行管理与节能的一些经验，提出了两套节能方案，并在实际的应用中取得了良好的效果，节约了大量的能源，同时还解决了生产中的一些相关问题。

Based on the air-cooled condenser of a 300MW unit, the factors that affect the exhaust steam pressure were analyzed.

以300MW直接空冷机组空冷凝汽器为例，分析了反映机组运行性能的汽轮机背压的影响因素。

The heat transfer coefficients of the direct air-cooled condenser under various operating conditions are of the most important basic parameters for the optimal operation of the steam power unit, which can be used to determine the heat transfer capability of the cooling system, and in further, to acquire the influences of the operating parameters and environmental conditions on the exhaust steam pressure.

不同工况下直接空冷机组空冷凝汽器的传热系数，对确定机组冷端的热负荷能力、进而确定环境条件和运行参数与机组排汽压力之间的关系具有重要意义，是进行机组优化运行最重要的基础数据。

Virtual null-modem allows user emulate virtual null modem connection and run the two applications simultaneously on the same computer.

虚拟空调制解调器允许用户学习的虚拟空调制解调器连接和运行两个应用程序，同时在同一台计算机上。

In the invention, heat exchanging pipe is washed once by water in every interval. The scale removal flow is provided with big shear stress and strong embedding ability. It can wash gruel sale of the pipe wall down and clean on line so that purposes of maintaining high-efficiency heat conduction of air cooler, prolonging the running period of air cooler and decreasing operation cost, are achieved.

本发明每间隔一段时间，通入水对换热管束冲刷一次，除垢水流的剪切应力大，裹挟能力强，能使管壁上剥落的粥样水垢冲刷掉，起到在线清洗的作用，从而达到维持空冷器高效传热、延长空冷器运行周期、降低运行成本的目的。

Energy is related to extent of water-power utilization; cavitation is related to service life of turbine; the stability not only has great effect to turbine life, but also is directly related to the normal operation of power station.

其中，效率特性关系到水能的利用程度，空蚀和空化特性关系到机组的使用寿命，而稳定性则不仅关系到机组的使用寿命而且关系到机组乃至整个电站能否正常运行。

The method to determine the limited temperature for dry/wet running conditions was presented. Multi-object frame optimization model were developed. Combined with the thermal and hydraulic correlations for dry/wet conditions of plate wet air cooler, the optimization model can be used to optimize the dry/wet limited temperature and frame parameters.

提出了湿式空冷器干湿工况运行界限温度的确定方法，建立了板式湿式空冷器多目标结构优化模型，结合实验得到的干湿工况下板束内外侧阻力、传热传质关联式以及喷淋水膜对流换热关联式，该优化模型可用于干湿工况运行界限温度与结构参数的优化。

The plate wet air cooler combines the technical advantages of plate heat exchangers with dry cooling and evaporative cooling. When hot climates in summer, water spraying runs and outlet temperature of hot fluids plays down because heat transfer is enhanced by evaporative cooling.

板式湿式空冷器结合了空冷、蒸发冷却与板式换热器的技术优点，在夏季气温较高时，启用喷淋装置湿工况运行，采用喷淋水蒸发冷却强化空冷器换热以达到降低工艺流体出口温度的目的。

Based on the simulation results, the region and the degree of cavitation occurred in the flow passage of the turbine with a low water level at the outlet of the draft tube are examined, the cavitation performance of the turbine is also evaluated.

根据模拟结果，考察了水轮机在低尾水位下运行时流道内空化发生的部位和程度，并对水轮机的空化性能进行了预估。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。