查询词典 water vapor

Factory remaining hot water, remaining vapor and boiler heating system, were adopted in tilapia overwintering. Every step, such as site selection, pond and fish preparation, cultivation of fish, fish selection, timing of overwintering, stocking density and managements during overwintering, was compared among three systems. The results of data analysis showed that the survival rate in remaining hot water system was 12% higher than in remaining vapor system and 21.25% higher than in boiler heating system. The overwintering cost in remaining hot water system was 735 Yuan/m~3, which was 18 Yuan lower than in remaining vapor system and 71.4 Yuan lower than in boiler heating system. The profit in remaining hot water system was 201 Yuan/m~3, which was 162 Yuan higher than in remaining vapor system and 275.4 Yuan higher than in boiler heating system.

本论文采取了余热水、余热气、锅炉加温三种方式对进行罗非鱼越冬保种，从地点选择、越冬池、鱼的准备、越冬苗种的培育、越冬前催肥、越冬鱼的选留、越冬鱼进池时间和密度、越冬期间饲养管理等环节进行对比试验获得了三种方式的试验数据并进行了分析讨论，结果显示：余热水越冬雌亲鱼的成活率比余热气越冬高出12％、比锅炉加温越冬高出21.25％；余热水越冬雌亲鱼的成本每立方米为735元比余热气越冬的成本每立方米低18元、比锅炉加温越冬的成本每立方米低71.4元；余热水越冬雌亲鱼的利润每立方米为201元比余热气越冬的利润每立方米高162元、比锅炉加温越冬的利润每立方米高275.4元。

The mathematical model of complex countercurrent multi-effect evaporation with condensed water flash is established, which aims at minimum annual cost (including cost of fresh vapor, vacuum pump power, evaporator, maintenance and depreciation).Based on such decisive variables as the pressure of fresh vapor, the pressure of condenser and heat-transfer mean temperature difference of vari-effect,the model is solved by the complex method,Lagrangian multiplier method, iteration method and matrix method.The practical example indicates that the influence of the pressure of fresh vapor, the pressure of condenser and flash of condensed water on the optimum design results is notable.

建立了带有冷凝水闪蒸的复杂逆流多效蒸发系统优化设计的数学模型，该模型以整个蒸发系统的年总费用(包括加热蒸汽年费用、真空泵年动力费用以及蒸发器和辅助设备的年折旧维修费用等)最小为优化目标，以生蒸汽压力、冷凝器真空度及各效有效传热温度差为决策变量，提出一种新算法———复合形法结合Lagrangian乘子法、迭代法和矩阵法求解模型。

Forecast of river runoff has been one of the objectives that hydrologists persevere to pursue for decades. However, because of different sources of water vapor throughout the country and the features of different rivers, using a common set of forecasting options can not give an accurate and timely prediction for flood prevention and drought controlling capabilities.

多年来对河流径流量进行预报，一直是水文工作者追求的目标之一，但由于全国各地水汽来源不同，河流特性千差万别，因而用一套通用的预报方案不能够准确、及时地预报，以达到防洪抗旱的能力。

John Tyndall wrote in 1861 that slight changes in the amount of any of the radiatively active constituents of the atmosphere—water vapor, carbon dioxide, ozone or hydrocarbons—may have produced "all the mutations of climate which the researches of geologists reveal … they constitute true causes, the extent alone of the operation remaining doubtful."

35年后斯凡特·阿伦尼乌斯发表了划时代的论文，详细分析了大气中CO2的不同浓度对地球温度的影响。

The tropospheric delay is a function of elevation and altitude of the receiver, and is dependent on many factors such as the atmospheric pressure, temperature, and water vapor content.

对流层的耽搁是一个海拔和收件人那一级的功能和是依靠例如大气压力，温度和水蒸汽内容很多因素。

With the assimilation of dropsonde/QuikSCAT data, the simulated environmental flow becomes more northerly/southerly, resulting in better tracks. The data assimilation also helps to produce better water vapor mixing ratio in the simulations of the Bilis and Mei-yu cases. As a result, the radar reflectivity is better captured in the simulations.

雷达回波强度方面，碧利斯台风及6月中旬梅雨锋面个案之模拟前期同化该两种资料后，有较大的水气混合比，因为有较大的湿度及较多云水含量的缘故，使其模拟有较强的最大回波值，与观测较为接近。

The results show that the ion mobility increases as temperature rises; the influence of water vapor on product ions was reduced and the system resolution was enhanced at a higher temperature. In addition, the reactant ion yield can be effectively increased by choosing a proper temperature in drift tube, and improves the sensitivity and selectivity of system.

本研究在不同温度下进行了离子迁移率实验，结果表明，离子迁移率随温度的升高而增大，而提高工作温度可以减少水分子对产物离子的影响，有利于改善系统检测的分辨率；选择合适漂移管工作温度，能有效地增加反应物离子的产量，从而提高系统检测的灵敏度和选择性。

For example, nylon hasa high permeability to water vapor.

例如，尼龙具有很高的水蒸汽渗透性。

And the catalytic activity of the sample doped with Ni was enhanced in water vapor above 400 oC.

为了提高Cu-Al-MCM-41的催化活性还采用了提高酸性和担载过渡金属等处理方法。

Sunny day, standing on a bridge overlooking the Rhine at Ludwigshafen base of over, although there are torch, there are cooling towers around the transpiration of white water vapor, but the sky is blue, cloud white, and the air did not we do at home chemical industrial zone in the vicinity often smell the odor.

晴朗的日子，站在俯瞰在路德维希港基对莱茵河大桥，虽然有火炬，有冷却周围的白色水汽蒸腾塔，但天是蓝的，云白，空气中并没有我们做家在附近的化学工业区常闻到的气味。

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。