蒸汽密度

A phase function of laser light scattering has been calculated based on Mie electromagnetic wave scatter theories aiming at case of undetermined enthalpy because of superposition between isotherm and isobar when low-pressure cylinder of turbine works in wetness vapor.

气相部分通过压力和温度的测量和理想气体状态方程计算出干蒸汽密度，从而计算出湿蒸汽的干度。

The "supersaturation ratio" is the ratio of the excess vapor density to the saturation value.

"过饱和比"是超过饱和值的蒸汽密度与饱和值的比。

Based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer.

文摘：在分析饱和蒸汽和过热蒸汽密度的数学模型的基础上指出，温度检测的偏差对智能流量积算仪的精度影响极大，尤其是饱和蒸汽，测温电路的精度应设计为远高于仪表的精度，同时引入一种基于比率法的高精度测温电路。

But the miniaturization does come at the price of reduced stability: 2 parts in 1010 because in a miniature clock, the vapour cell is so short that the vapour density must be increased.

但是小型化的确是以牺牲稳定性为代价的，精度只有2/1010。这是因为小型钟里的蒸汽元件太小了，必须提高蒸汽密度。

The steam and nitrogen push uses steam as the heat source ,extra heavy oil or bitumen has been mobilized by conductive heating and rely on the action of gravity of condensed liquid to recovery heavy oil. Because nitrogen is noncondensible gas and its density is lower, nitrogen rise and accumulates in the top of the reservoir.

蒸汽―氮气辅助重力泄油的开采机理是以蒸汽作为热源加热油层，使高粘度的原油、沥青获得较好的流动性，利用气体和液体由于密度不同而产生的垂向分异作用，靠油的重力开采。

The steam generator, in the incorporate type of the high-temperature gas-cooled reactor, should be of the compact structure, the least heating surface and the higher power density in order to decrease the volume of the initial-stress concrete pressure vessel, there by the steam generator with the uniflow multi-start helical coiled tubes is used generally for it possessing all these characteristics.

该下载资料由本站会员上传，如果侵犯了您的权力，请通知我们，将立即删除！摘要在采用一体化布置的高温气冷堆中，为了使预应力混凝土压力容器体积不致过大，蒸汽发生器应尽量紧凑，严格限制受热面空间布置，并要求其具有较高的功率密度。因此，一体化布置的高温气冷反应堆主要选用直流型多头螺旋管式蒸汽发生器。

The steam generator, in the incorporate type of the high-temperature gas-cooled reactor, should be of the compact structure, the least heating surface and the higher power density in order to decrease the volume of the initial-stress concrete pressure vessel, there by the steam generator with the uniflow multi-start helical coiled tubes is used generally for it possessing all these characteristics.

在采用一体化布置的高温气冷堆中，为了使预应力混凝土压力容器体积不致过大，蒸汽发生器应尽量紧凑，严格限制受热面空间布置，并要求其具有较高的功率密度。因此，一体化布置的高温气冷反应堆主要选用直流型多头螺旋管式蒸汽发生器。

The "supersaturation ratio" is the ratio of the excess vapor density to the saturation value.

&过饱和比&是超过饱和值的蒸汽密度与饱和值的比。

The model is based on the Nusselts solutions by considering the factors of vapor-liquid interfacial shear stress, the super-cold and the density of the vapor which have important influence on the heat transfer performance of the thermosyphon.

模型建立在Nusselt纯净饱和蒸汽层流膜状凝结理论的基础上，考虑了对热虹吸管的传热性能有重要影响的气液界面剪切应力、过冷度和蒸汽密度这几个因素。

Based on the characteristics of phasing switch, the dielectric recovery characteristics for short gap vacuum arc were discussed, a vapor density model was applied under the special boundary conditions to get some relations between arcing time and the surface temperature, vapor density.

讨论了真空短间隙及其对应的短燃弧时间对相控真空开关介质恢复特性的影响，应用金属蒸汽密度模型和不同的间隙边界条件，得到燃弧时间与电极表面温度、金属蒸汽密度的关系。

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。