空气流动

The mixed gas-air flow characteristics of gas-air mixer which is used in premixed combustion were studied in this paper. The mixer basic law to determine the minimum required pressure when select a fan was established and the influence factors were analyzed.

对一种用于预混燃烧的空气引射燃气型混合器的流动特性进行研究，通过分析混合器基本公式来确定在满足一定混合器背压条件下选配风机所需的最小压力及其影响因素。

If more than the upper one-third of the medium has acquired a pink color, the medium may be restored once by heating the containers in a water-bath or in free-flowing steam until the pink color disappears and by cooling quickly, taking care to prevent the introduction of nonsterile air into the container.

如果超过上部三分之一的培养基已经呈粉色，可以用以下方法恢复该培养基一次：在水浴锅中或者自由流动蒸气中加热该容器，直至粉色消失，并迅速放凉，须小心防止非无菌空气进入到容器中。

To obtain more uniform temperature distribution and relative lowest temperature over cross section of the rotor, on the basis of test data of a given example of a 150MW turbo generator with air coolant, numerical solution of two dimensional modelling equations of air turbulent flow and heat transfer in and between cooling duct and rotor were carried by the Finite Volume Method at condition of varying configuration parameters of sub slot, the number of winding's cooling ducts and center distance of them, and the diameter of slot wedge.

为了能够得到转子截面较均匀并且最高温度值较低的优化温度分布，文中在150MW空冷汽轮发电机转子实验研究基础上，改变副槽的几何形状、径向通风沟的条数及间距、槽楔出风口直径等几何量，采用有限体积法求解转子本体及通风道内空气的传热及紊流流动等二维离散方程组。

The research on the flow and heat transfer performance outside single row tube is of great important for the optimal design and safe operation of air cooled condensers.

单排管外空气侧的流动和传热性能研究，对于直接空冷凝汽器的优化设计和安全运行具有重要的意义。

Boundary layer flow state of the relationship between how much air power, especially the emergence of boundary layer separation, or

就会分离。附面层内的流动状态如何与空气动力关系极大，尤其是附面层出现分离后，升

Yet another innovation in the design of this saloon is the centrepiece along the roof line of the BMW Concept CS slightly drawn in at the rear. This exceptional contour design visible only from behind but nevertheless unusually powerful in its look optimises the flow of air in and around the roof area.

另一个在本轿车设计创新，是沿着宝马CS概念车的车顶线的核心略有制定后部英寸这个特殊的外形设计只是从落后，但仍然非常强大的查询优化了其在流动空气和周围的屋顶面积。

The compound tray holds excellent features , it has been successfully used in industry namely , methane alcohol ethanol , methyl aeetyl distillations and etc It is also expected to have a broad prospect for applications in other chemical industry field In this paper , many studies are concerned with the gas liquid duallowing the hole and oscillating regulation of the compound tray by experiments These studies will provide theoretical and experimental foundation for the design and improvement of the compound tray The main part of which is a 500 mm inner diameter three compound trays column , serving as a hydrodynamic model , the system air ?

复合塔板以其优良的性能，在甲醇、乙醇和丙酮等生产精馏装置中获得了成功的应用，并在其它化工生产领域有着广泛的应用前景。本论文旨在通过实验研究复合塔板上气液穿孔流动及波动波动规律，为复合塔的设计和结构改进提供理论和实验依据。实验是在一塔径500mm的冷模塔内，以空气—水为物系，在常压下进行实验。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。