查询词典 evaporation

The influence of those main design parameterssuch as evaporation saturation temperature t_s、heat dissipated power Q and charge ofworking fluid L on the temperature distribution of evaporation"s bottom and boiling heat transfer inside the evaporation has been calculated and analyzed concretely. The method that uses channels to enhance boiling heat transfer of evaporation"s bottom has also been analyzed and calculated preliminarily.

具体计算和分析了蒸发饱和温度t_s、散热功率Q和充液量L等主要设计参数对蒸发段底面温度分布和蒸发段内部沸腾传热特性的影响，对用槽道强化蒸发段底面沸腾换热也做了初步的数值计算和分析。

A mathematic model of soil evaporation based on water surface evaporation by using the method of energy balance equation and microclimatology was established to precisely estimate the soil evaporation.

为了准确估算土壤在实际条件下的蒸发量，该文以水面蒸发量为参考，结合能量平衡方程及微气象学方法，推导计算土壤实际蒸发量的数学模型。

This paper established a mathematic model of soil evaporation based on water surface evaporation, energy balance equation and microclimatology method to precisely estimate the soil evaporation.

为了准确估算土壤在实际条件下的蒸发量，该文以水面蒸发量为参考，结合能量平衡方程及微气象学方法，推导出了一个计算土壤实际蒸发量的数学模型。

The results showed that there was good linear relation of cumulative evaporation with square root of evaporation time, and the coefficients of them had good relation with the open hole ratio, thus the two-factor function of cumulative evaporation was obtained.

累积蒸发量与时间平方根的线性关系符合Gardner的理论关系，而两者关系的系数又与覆膜开孔率之间存在良好的对数关系，从而得出了累积蒸发量的两因素函数关系。

Microbiotic crusts had a high capacity of evaporation than the shifting sand dunes. During the evaporation process of one week after rainfall, the total evaporation in artificial vegetation regions constructed in 1956, 1964, and 1981 were 6.05, 4.99 and 4.23 times respectively as the total evaporation in shifting sand dunes.

微生物结皮有着比流沙区更高的蒸发能力，在雨后一周的蒸发过程中，1956、1964和1981年人工植被区的总蒸发量分别是流沙区总蒸发量的6.05、4.99和4.23倍。

The evaporation of some oils and their emulsifies was modeled with pan evaporation method, and the characteristics of the evaporation in different states was inspected. The equations of evaporation rate and the factors of inhibitory action of emulsification on evaporation have been obtained. The dynamics mechanism of emulsification has been discussed based on the observation and analysis of the characteristics of oil and water motion. The processes of spilt oils weathering have been integrated by the composition and states of oils in this prediction model.

本文主要是从目前研究的薄弱环节作为研究突破口，用浅盘蒸发法对原油及其乳化物的蒸发进行模拟，考察不同原油在不同阶段和乳化状态下的蒸发特征，得出蒸发速率方程及乳化对蒸发抑制作用因子；观测和分析油水运动规律，分析乳化动力学过程；以组成和状态是决定风化特征的主要因素和联系各风化过程的纽带这一思想为基础建立溢油风化预测模型。

The result showed that the conventional and optimum design model of complex multi-evaporation had good universality. The new algorithm could be used to solve model more stably and more effectivly. The energy-saving effect was notable when all kinds of energy-saving measure were adopted and T0, Tk, tpj,Δti were optimized. In these conditions, the annual cost of optimum design decreased by 36.44% and 40.76% respectively than conventional design for the complex cross-feed and parallel-feed quadruple-effect evaporation system with solid separation. An optimum design software for multi-evaporation was developed, which had strong function, amity interface and easy maneuverability. This software may be applied to conventional and optimum design of multi-evaporation system under different conditions.

研究结果表明，复杂多效蒸发系统常规及优化设计的数学模型具有很强的通用性，求解模型的新算法稳定且高效；同时采用各种节能措施且对T_0、T_k、t_、Δti进行优化的系统节能效果最显著，对有固相析出的复杂错流、平流四效蒸发系统在上述情况下的优化设计比没有节能措施的常规设计可分别节省年总费用36.44%和40.76%；用可视化语言Visual Basic 6.0 编制的多效蒸发设计软件，功能强大、界面友好、使用方便，可用于多种流程、不同情况组合的多效蒸发系统常规及优化设计计算。

Bellows Gate Valves However, in large differential pressure operating conditions, evaporation pressure has eased, the evaporator load requirements of the fluid volume decreased, but the actual situation the contrary, in the suction superheat unchanged, due to evaporation pressure has eased, the evaporator outlet pressure be reduced accordingly, pressure changes above and below the diaphragm, causing the main valve opening increases for increased fluid; but in a small pressure operating conditions, evaporation pressure rise, evaporator load demand for fluid volume increased, but the reality is that in the suction gas superheat unchanged, due to evaporation pressure rise, a corresponding increase in the evaporator outlet pressure, pressure difference above and below the diaphragm smaller, so that the main valve opening decreased for the reduction of liquid volume; in variable load is all about.

但在大压差工况下，蒸发压力降低，蒸发器负荷需求的液量减少，但实际情况相反，在吸气过热度不变的情况下，由于蒸发压力降低，蒸发器出口压力相应降低，膜片上下的压差变大，使主阀开度增大，供液量增加；但在小压差工况下，蒸发压力上升，蒸发器负荷需求的液量增多，但实际情况是在吸气过热度不变的情况下，由于蒸发压力上升，蒸发器出口压力相应提高，膜片上下的压差变小，使主阀开度减小，供液量减少；在变负荷下亦如此。

However, in large differential pressure operating conditions, evaporation pressure has eased, the evaporator load requirements of the fluid volume decreased, but the actual situation the contrary, in the suction superheat unchanged, due to evaporation pressure has eased, the evaporator outlet pressure be reduced accordingly, pressure changes above and below the diaphragm, causing the main valve opening increases for increased fluid; but in a small pressure operating conditions, evaporation pressure rise, evaporator load demand for fluid volume increased, but the reality is that in the suction gas superheat unchanged, due to evaporation pressure rise, a corresponding increase in the evaporator outlet pressure, pressure difference above and below the diaphragm smaller, so that the main valve opening decreased for the reduction of liquid volume; in variable load is all about.

但在大压差工况下，蒸发压力降低，蒸发器负荷需求的液量减少，但实际情况相反，在吸气过热度不变的情况下，由于蒸发压力降低，蒸发器出口压力相应降低，膜片上下的压差变大，使主阀开度增大，供液量增加；但在小压差工况下，蒸发压力上升，蒸发器负荷需求的液量增多，但实际情况是在吸气过热度不变的情况下，由于蒸发压力上升，蒸发器出口压力相应提高，膜片上下的压差变小，使主阀开度减小，供液量减少；在变负荷下亦如此。因此热力膨胀阀在变工况下供液量的调节方面需进一步改进。

Among them, the first quarter of the market value of fund holdings evaporation 453.213 billion yuan, with the end of 2007 the market value of 2.400673 trillion yuan of holding 18.88 percent compared to大亏; the second quarter, holding the market value of 225.916 billion yuan evaporation, shrinking the market value of 20.24 percent margin; third quarter of the market value of evaporation of 259.503 billion yuan shares, value shrank by 20.6 percent rate; by three at the end of the shareholding and the December 16 closing price, the fund market value of 609.437 billion yuan holdings, since the fourth quarter the market value of re-evaporation of the fund holdings 679.89 billion.

其中，该基金持有的蒸发四五三二一三○○○○○○元市值第一季度，与2007年底2400673000000持有18.88亿美元，比大亏元的市场价值，第二季度，持有的225.916亿美元的市场价值人民币蒸发，减少了百分之利润20.24市场价值；有关的2595.03亿元的股票市值蒸发第三季度，价值缩减率百分之20.6；由三个股份制年底和12月16日收盘价计算，该基金市值6094.37亿元持有，第四季度以来的转口市场价值基金持股6798.90亿蒸发。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。