查询词典 Boolean calculation

He included in his column of air the way convective updrafts carry heat up from the surface, a basic process that nearly every earlier calculation had failed to take into account.

在他的模型中，他加入了上升气流携带的热力的影响。这个基本的过程是几乎早期的每个计算方法都忽略了的。

On the basis of previous study, the available procedure for two-dimensional steam flow and heat transfer prediction is modified in the aspects of boundary condition processing method and the matching technique of condenser and air pump performances. The procedure is verified by comparing calculation results of condensers with available experimental data, and a good agreement is achieved.

在前人发展的汽相流动与传热特性二维计算程序基础上，完善了二维计算方法的功能，探讨了各种特殊情况下的边界条件合理给定方法及凝汽器工作性能与抽气器工作性能匹配的方法，并采用制造厂和文献的实验数据验证了物理模型和计算程序的适用性，最后完善了程序的前后处理功能。

In order to verify the validity of the mathematical models and the calculation method, a series of experiments on the performance of an air-conditioner under variable conditions was conducted in the psychrometric rooms.The performances of the proto type under the different inlet air temperature of the condenser and evaporator, as well as the different face velocity of the condenser and evaporator was measured.

为了验证数学模型及计算方法的正确性，在焓差法空调器性能实验台上对一台房间空调器变工况性能进行了实验研究，测量了该空调器在不同的蒸发器和冷凝器进口空气温度、蒸发器和冷凝器迎面风速下的工作特性。

The calculation of the air cooling system is very complex due to the complexity of the motor configuration.

由于电机内部结构复杂，通风系统的计算尤其是风路的计算也十分复杂。

In this paper, the investigation concerning the mechanism and numerical calculation of flow and heat transfer of the cold air curtain in an open display cabinet is introduced.

本文介绍了敞开式食品陈列柜的冷风幕流动及换热机理和数值计算方面的研究状况，并分析了陈列柜冷风幕研究过程中存在的问

The investigation status concerning the mechanism and numerical calculation of flow and heat transfer and mass exchange of the cold air curtain in the open display cabinet are introduced.

介绍了水平低温展示柜内冷风幕流动及热质交换机理和数值计算两方面的研究现状，并分析了研究过程中存在的问题及其进

The air volume, tuyere width and jet velocity in the air curtain experiment are designed according to the theoretical calculation model.

根据防烟空气幕的理论计算确定空气幕流量、吹风口宽度和风口射流速度并进行实验。

The gas and air resistance calculation is an important part of boiler design.

烟风阻力计算是锅炉产品设计工作的重要内容之一。

Research on water hammer characteristics of air valves Research on water hammer characteristics of air valves has been studied in experiments by establishing mathematical model of the air valve, using suitable method of numerical calculation, and comparing the experimental outcomes with theoretical analysis.

空气阀特性研究试验研究了作为水锤防护装置的空气阀的特性，建立了空气阀数学模型，通过合适的计算方法进行数值计算，并与试验进行了比较。

An introduction is made of air springs Model S-200-2 with dual barrels developed by Nanchang University,and of structure and calculation of vibration i solation system for 75kg air hammer with a inertial block support by the springs .

本文介绍了南昌大学所开发的S 2 0 0 2型双曲囊式空气弹簧，以及以该空气弹簧为隔振元件的 75kg 空气锤惯性快式隔振系统的结构特点和设计计算。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。