air drop

The longitudinal dynamic analysis of y 8 airplane in continuous air drop

Y&8飞机连续空投纵向动态分析

They is request air drop of foodstuffs to the flooded area .

他们要求对洪灾地区空投食品。

Several cushion systems for air drop of heavy equipment and the cushion designed with platform were introduced .

介绍了空投过程中的主要几种缓冲形式以及在有货台情况下缓冲垫的设计。

Characteristics of air pressure drop between flat parallel plates

空气流经光滑平行平板通道的阻力特性

A Mathematical model on the performance of heat transfer and air pressure drop for automobile radiators is established . A simulation model is also developed in MATLAB / SIMULINK environment .

针对常用的汽车发动机散热器，在大量试验和分析计算的基础上，建立散热器传热及阻力特性的数学模型，并在MATLAB/SIMULINK环境中建立其仿真模型。

Frost of finned-tube evaporator will increase air pressure drop and heat transfer resistance . It affects the efficiency of the evaporator and the average heat transfer coefficient of air part .

翅片管蒸发器的结霜将增加空气压降，增大传热热阻，从而直接影响到蒸发器的效率及空气侧平均换热系数。

The results indicate that the formation and developing of frost are rapid in high humidity district . The evaporating temperature and the air pressure drop are the important parameters to the choice of the reasonable defrosting cycle .

研究表明，在高湿地区，霜层的形成及霜厚的增加较快，以蒸发温度及空气压降作为除霜控制参数是合理选择化霜周期的重要依据。

Over the next two hours , the air would drop to below-zero temperatures . 4,5 Assuming for a moment that you survived the oxygen deprivation , at some point you 'd succumb to hypothermia .

在接下来的2个小时内，空气温度也跌到0℃以下4，5。现在即使你没有窒息而死，那么用不了多久你就会被冻死。

The results show that these formulae are able to predict accurately not only the pressure drop caused by both bends and straight sections of pipe at different locations , but also the total pipeline air pressure drop in pipelines of different length , diameter , bend number and step .

研究结果表明，这些公式不但能够精确地预测不同位置直管段和弯管引起的压降，还能够精确地预测不同长度、管径、弯管数和分段的总管道压降。

By simulating the real operating condition of reactor , the CRDM air flow pressure drop in cooling channel , allowed minimun air cooling speed and the relationship between heat ejection and air cooling speed are determined .

通过模拟反应堆实际运行条件，确定了驱动机构冷却风道的压力损失、所需的最小风冷速度以及驱动机构发热量与风冷速度的关系；

Based on approximately transforming boundary condition and applying a model of semi-infinity body , the calculation formulas of surface temperature of mass concrete during air temperature sudden drop and linear cold wave are derived and a method of surface protection design is suggested .

本文采用边界条件的近似变换和半无限体模型，导出了大体积混凝土结构在气温骤降和线性寒潮期间表面温度的计算公式，并提出了表面保护设计计算方法。

Environmental authorities recently said Beijing 's air quality won 't drop to healthy levels until 2030 .

环保部门最近称，北京的空气质量达标要等到2030年。

The Southern-Northern Dynasty air temperature started to drop .

南北朝中期气温开始下降。

A kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well .

提出了竖井空腔段螺旋水流水力计算方法，其计算结果与实测值吻合良好；

Dust system part can calculate the air consumption , pressure drop , diameter of duct , filter area , when input enter parameters of inlet cross-sectional area , inlet velocity , duct design speed , length and the filter velocity to the system .

除尘系统模块可以根据入风口截面积、入风口风速、风管设计速度、风管长度、除尘器的过滤风速等设计参数完成系统消耗风量、压损、风管直径以及所需过滤面积的计算。

Acting very much like their movie counterparts , the Xenomorphs will hide in shadows , burst from air vents , and drop from ceilings , doing what they can to get the jump on you .

就像它们在电影中表现的一样，异形会躲在阴影中，从排气管中冲出来，从天花板上掉下来，总之它们会想尽办法跳到你身上。

And in the selection of the feeder and the air compressor , the rated pressure value , air leakage , pressure drop , flow control etc. are the factors to be depend upon for determination .

而供料器和空压机的选择则应依据额定压力值、空气泄漏量、压力降、流量控制等综合因素来确定。

The premise sounds simple enough : dry air absorbs moisture , and in doing so causes the air 's temperature to drop .

该原理听上去十分简单：干空气吸收水分，这样一来空气的温度就降低了。

It is verified that the application of electrostatic precipitator in tobacco air conditioning system can increase the dust collection efficiency and decrease the air pressure drop , and with the advantage of self-cleaning .

根据现场使用实例的测试数据，说明静电集尘器用于烟厂空调系统时具有集尘效率高、阻力损失低、可实现自清洁的优点。

With the instrument developed successfully , a balancing experiment on a Air - blower is conducted . It made the vibration of the air - blower drop from 10.0mm/s to 0.8 mm / s.

用开发成功的仪器在现场对型号为QY1的风机进行了动平衡试验，使风机的振动从10.0mm/s降至0.8mm/s，取得了十分满意的效果。