查询词典 vapor

Against humidity: humidity absolute humidity and relative humidity, absolute humidity means the air per cubic meter of water vapor contained in the quality; relative humidity is the water vapor in the air to reach the degree of saturation, saturation at 100% RH.

湿度的危害：湿度分为绝对湿度和相对湿度，绝对湿度是指每立方米的空气中含有水蒸气的质量；相对湿度是指水蒸气在空气中达到饱和的程度，饱和时为100%RH。

ABSTRACT The development history and current research state of pulsed discharge-excited alkaline-earth Metal Vapor Lasers were reviewed in detail in the paper. After all those multi-mechanism lines region from ultraviolet to infrared had been successfully obtained in our experiments, a consistent model has been build up for longitudinal pulsed discharge excited He-Sr vapor laser.

详细评述了脉冲放电激励的碱土金属蒸气激光的发展历史和现状，在实验上成功实现碱土金属多种机制从紫外到红外的多条激光谱线后，对纵向脉冲放电激励的He-Sr蒸气激光建立了一个完善的、自恰的激光动力学模型。

In atomic vapor laser isotope separation, the metal is heated and melted by electron beam, and some atoms are on the metastable states. In order to analyse the influence of metastable states' deexcitation on vapor physical parameters, such as velocity, temperature, direct simulation Monte Carlo method is used to simulate the 2 D gadolinium evaporation from long and narrow crucible.

在原子法激光同位素分离工程中，金属受电子束的加热而熔化，有一部分原子处于亚稳态能级，为了分析在蒸发过程中亚稳态原子退激对原子蒸气的速度、温度等物理特性的影响，采用直接模拟蒙特卡罗法模拟钆原子蒸发过程，分析亚稳态原子退激过程对蒸气特性的影响。

In order to investigate the influence of magnetic field on the vapor-liquid equilibrium of binary azeotrope,the vapor-liquid equilibrium of n-butanol-water system was studied under magnetic field with different magnetic induction intensity.

为探讨磁场对二元共沸物系汽液平衡的影响，在不同磁感应强度的磁场中，研究了正丁醇-水物系的汽液平衡。

CCA indicates that there are strong integrated correlation between mainstream smoke and the physical and chemical properties, where canonical variable U representing information of mainstream smoke is mainly contributed by TPM, tar, nicotine, vapor, vapor content and puff times; canonical variable V representing physical and chemical information of cigarettes is mainly contributed by ventilation rate, close resistance, cigarettes weight and total sugar, total organic chlorine etc, where ventilation rate plays an important role.

典型相关分析表明：卷烟主流烟气与物理化学信息间存在显著的整体相关，其中反映主流烟气信息的U典型变量主要来自总粒相物、焦油、烟碱、水分、水分含率及抽吸口数的贡献；反映物理、化学指标信息的V典型变量主要来自稀释率、闭式吸阻、单支重及总糖、氯等化学指标的贡献，其中稀释率的作用最大。

Cataphoresis ; high repetition rate pulsed discharge ; axial metal vapor distribution ; metal vapor lasers

电泳；高重复率脉冲放电；轴向金属蒸气分布；金属蒸气激光

In this text, on the basis of analyzed the accident characteristic of combustible liquids and influence factors of combustible liquids vapor spread, the leakage of combustible liquids is studied when the vehicle is stopped because of the factors such as traffic accident etc in the highway transportation course of flammable liquid, and its vapor density spread models in the atmosphere is set up; and the leakage of combustible liquids is also studied when the vehicle is steering because of the undefined factors during the highway transportation course of flammable liquid, and its vapor density spread models in the atmosphere is set up.

本文在分析了易燃液体的事故特性及影响易燃液体蒸气扩散因素的基础上，分别研究了易燃液体在公路运输过程中因发生交通事故等因素导致运输车辆停止时的易燃液体泄漏，并建立其蒸气在大气中的浓度扩散模型；因不确定因素致使运输车辆行驶过程中易燃液体泄漏，并建立其蒸气在大气中的浓度扩散模型。

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。

Pan bottom consists of dry and wet surfaces.When heated,the pan produces vapor to sterilize.Reaching the cold bottom of condenser,vapor will be condensed into water and drained back into pan.When the temperature in condenser reaches 90℃,vapor will be released from the vent devised with a whistle alarm.

底锅分为干表面和湿表面二部分，加热时可产生过热的高温蒸汽进行灭菌，当蒸汽进入冷凝器底部时，则遇冷被冷凝成水，经回水管又流回底锅，水———汽在锅内闭路循环，直至冷凝器中水温达到90℃以上时为止，此时蒸汽则通过出气管外逸，吹动哨片发出响声报警。

The practical example indicates that the method used in complex countercurrent multi-effect evaporation system is fast and accurate.The vapor consumption of three-effect evaporation with condensed water flash is decreased by about 10% for condensation of NaOH solution. Loss of heat energy increases for preheating of feed with fresh vapor or extra vapor withdrawal.

算例表明：模型可用于复杂逆流多效蒸发系统的快速求解；对三效逆流蒸发NaOH溶液系统，采用冷凝水闪蒸可节省加热生蒸汽 10 %左右，节能效果显著；逆流多效蒸发采用生蒸汽或引出额外蒸汽预热原料液不仅不会节能，反而造成热能损失

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷