空气流动

It is shown that the experiments were done with good repeatability and the tested results of air age were reasonable, which indicate the flow pattern and freshness of the outdoor air in the ventilated space.

实验结果表明，示踪气体用于强制通风研究时实验可重复性较好，实验结果正确合理，测得的空气龄反映了房间各点空气的新鲜程度，也提示了室内空气的流动形态。

In this paper, simulated the air flow by use the fluid flow theoretics, based on the configuration and function of F8 distribution valve, established the air brake system model with F8 distribution valve.

本文采用气体流动理论模拟制动系统内空气的流动，并基于F8阀结构和功能建立了带有F8阀的列车制动系统物理模型。

Abstract］ Objective To evaluate the effect of regulating bloodmobile sterilization management.Methods Making a statistical contrast to the number of bacterial in the air flow,on object surface in the bloodmobile car before and after regulating sterilization management.

摘要］ 目的评价规范流动采血车消毒灭菌管理的效果方法对流动采血车内的空气、物表在规范消毒灭菌管理后细菌培养量的统计对比。

Abstract］ objective to evaluate the effect of regulating bloodmobile sterilization management.methods making a statistical contrast to the number of bacterial in the air flow,on object surface in the bloodmobile car before and after regulating sterilization management.results before regulating management,the total excess rate of bacteria in the air is 41.67% while the rate of object surface is 20.83% in the car.after regulating management,the total excess rate of bacteria in the air is 4.17% while the rate of object surface is 0.00%.the differences were significant.conclusion to realize regulative and effective sterilization management,consolidate sterilization measures,guarantee the quality of blood and the safety of blood collection is of important significance.

摘要］ 目的评价规范流动采血车消毒灭菌管理的效果。方法对流动采血车内的空气、物表在规范消毒灭菌管理前后细菌培养数量的统计对比。结果规范管理前车内空气细菌总数超标率达41.67%，物表达20.83%。而规范管理后车内空气细菌超标率是4.17%，物表细菌超标率是0，差异有统计学意义。结论对流动采血车实施规范有效的消毒灭菌管理，务实消毒灭菌措施，对保证血液质量和采血安全具有重要的意义。

By the analysis of heat transfer between air and wall in vertical direction and the mechanism of air flow in large space building, this paper provides a theoretical model that the air temperature in vertical direction can be divided into three zones: temperature-constant air-conditioning zone, main convection zone and top heat stagnation zone.

通过对大空间建筑室内垂直方向上空气与壁面换热和流动机理分析，提出了空气温度在垂直方向上划分为等温空调区、对流主区域、顶部热滞留区域三个区域，建立了对流主区域、顶部热滞留区域求解空气温度的数学模型，推导得到了相应的分析解，提出了计算大空间建筑室内垂直温度分布简易模型。

Air resistance of counterflow closed circuit cooling tower is detailed tested, air flow regularity inside of the new tower is discussed and air flow characteristics through cooling bundle of tubes is analyzed.

在该实验台上详细测试了在封闭式冷却塔内空气与水逆向流动条件下，空气流经冷却盘管的阻力，探讨了封闭式冷却塔内空气的流动规律，分析了空气流过正三角排列管束的特性。

The principle, process, influence factors, advantages and disadvantages of dry air exsiccation in flowing gas evaporation method and the preparation of dry air are introduced mainly.

综述了天然气管道常用的干燥剂法、流动气体蒸发法和真空干燥法的原理、优缺点、影响因素，对流动气体蒸发法中的干空气干燥法的原理、工艺、影响因素、优缺点、干空气的制取进行了重点介绍。

Among them very multinomial and direct or indirect design reachs relevant industry to sensor, detailed situation is as follows: The computer reachs peripheral equipment: Hold pattern recognition of GPS receiver, graph and processing system; Microelectronics and photoelectron yuan parts of an apparatus: Cadmium of parts of an apparatus of coupling of CCD photoelectricity carry on one's shoulder, tellurium is mercuric , infra-red detector; CMOS image sensor; Communication equipment reachs a product: Smooth communication is metric with the instrument that monitor; Civil spacecraft reachs ground facilities: Spacecraft is lukewarm control a product; Automation machinery reachs device: Industrial robot and intelligent robot; Electromechanical key foundation: Intelligent air cylinder, intelligence changes model carapace breaker (voltage 380V, 660V, voltaic 1000A), prevent adopt device of dead apply the brake , the electron controls vehicle of the automatic gear-box, dynamoelectric steering gear that help strength, car to carry diagnostic system, gasoline engine electronic-controlled engine of device, derv is electronic-controlled car of device, alternative fuel changes device, car; Instrument appearance reachs a system: GPS car fixed position, monitoring calls the police attemper system, colliery installs all inspection to measure general management system, hydroelectric station to monitor control system, automatic cruise automatically to control a system (the car is auxiliary drive system), the electron collects fees administrative system (ceaseless car electron pays cost the system), two-phase; New-style medical apparatus and instruments: Medical sensor; Inorganic metalloid material: Component of the pottery and porcelain that suppress report, lukewarm characteristic thermal resistor ; New-style the sources of energy reachs equipment: The solar battery reachs package; The environment monitors an instrument: Monitor appearance, CO automatically to monitor appearance, automatic acid rain automatically sampler and determine appearance, soot, dust is automatic sampler and determine appearance, flue gas is automatic sampler and determine steam of end of appearance, car determines automatically appearance, portable poisonous and harmful gas determines quality of air of type of appearance, flow; The exploration of the sources of energy and mineral products resource develops device: MWD is followed get oil of logging instrument, numerical control monitor below well of deep well logging instrument, colliery reach calamity to forecast; The project measures and equipment of earthly physics observation: Project acceleration measures system, much general to strap weather radar (use be concerned with or double polarization technology), intelligence atmosphere sensor (contain lukewarm, press, irradiation level of wet, wind, precipitation, dew point, sun), personal computer control is automatic and perpendicular artesian well system , marine atmosphere; 1 2 of on one page issues one page

主动化机械及行动措施：工业机械人和智能机械人；机电要害根本件：智能气缸、智能化塑壳断路器（电压380V、660V，电流1000A）、防抱死制动安装、电子节制主动变速箱、电动助力转向安装、汽车车载诊断系统、汽油策念头电控安装、柴油策念头电控安装、代用燃料汽车转换安装、汽车前进前辈电子传感器、高效汽车尾气净化安装、柴油策念头高压供油系统（≥1600Bar）、车辆动静节制系统、被动悬架系统、汽车防碰撞安装、汽车电子防盗安装、车内情况智能节制系统、汽车能源多能源治理系统、空气悬架系统、电子制动系统；仪器仪表及系统：GPS汽车定位、监控报警调剂系统、煤矿安好检测综合治理系统、水电站主动监测节制系统、主动巡航节制系统、电子收费治理系统、两相流量固体流量计、现场总线智能仪表；新型医疗器械：医用传感器；无机非金属材料：压电陶瓷元件、正温特征热敏电阻；新型能源及装备：太阳能电池及组件；情况监测仪器：主动监测仪、CO主动监测仪、主动酸雨采样器及测定仪、烟尘、粉尘主动采样器及测定仪、烟气主动采样器及测定仪、汽车尾汽主动测定仪、便携式有毒有害气体测定仪、流动式空气品质监测车、间歇式空气中有机传染物主动分析仪、COD主动在线监测仪BOD主动在线监测仪、浊度和电导主动在线监测仪、DO主动在线监测仪、TOC主动在线监测仪、TOD主动在线监测仪、氨氮主动在线监测仪、油份测定仪、多性能水质现场监测仪、车载型X萤光测试仪、噪声频谱分析仪、振动仪、辐射剂量监测仪、射线分析测试仪、CH主动监测仪；能源和矿产资本的勘察开辟行动措施：MWD随钻测井仪、数控石油深井测井仪、煤矿井下监测及灾难预告；工程测量和地球物理观测行动措施：工程加速度测量系统、多普勒天气雷达、智能型气象形象传感器(含温、压、湿、风、降水、露点、太阳辐照度)、微机节制主动垂直钻井系统、船用气象形象仪、磁通门罗盘和电位计罗盘、测波仪、智能型大陆水质监测用化学传感器(陆续工作3-6个月)、海流测量仪器（操纵声学、机械、电磁办法）、走航式声学多普勒海流剖面仪、声学应答开释器、声学水位计、近海深浪潮汐测量系统；农业工程行动措实行动措施：农业工程行动措施情况计较机主动节制行动措施、温室浇灌营养液主动设置装备摆设与施肥行动措施、巷道式智能化孵化器。

The discussion is focused on the determination of the minimum air rate when there is reservoir fluid influx during air drilling, injection pressure at standpipe, and bit nozzle pressure.

应用气体状态方程、热力学定律对空气钻井中各个流动参数进行分析，重点讨论储层流体涌入时空气钻井过程中最小空气流量的确定，以及立管注入压力和钻头喷嘴压力等问题。

The geometry of the air spaces and fixed resonance chambers is "streamlined"; there is only one set of functional vocal cords; the vocal cords are mounted in the air tunnel in such a way that, when adducted, they can produce sound only on expiration, instead of allowing both inspiratory and expiratory voice; and the epiglottis has moved so far below the pharynx as to allow the air from the larynx to stream freely through both nasal and oral cavities.

空气空间的几合学及固定共鸣室是流线型的；只有一组实用的声带；声带以这样的方式（当合陇时，他们只能在吐气时产生声音，而不是允许吸气及吐气声音）镶嵌在空气的通道上；且会厌到现在已移到咽头下方让从喉头来的空气自由地流动通过鼻腔及口腔。

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。