When calculating the quantity of air infiltration by a shield door, on the method, the whole dynamical process is realized which the train is gradually stoped from operating and then the shield door is opened.

In 1-D experiment, we found that without controlling the air outflow the water inflow rate was reduced compared with the water inflow rate under the condition, as observed by other researchers.

在一维入渗实验中，我们发现在控制气体出流的情况下水的入渗速率比在没有控制的情况下有所减少。

The results of the gas outburst simulation experiments showed that there was no difference in an air-flow reverse phenomenon in air inflow roadway between the upward ventilation and downward ventilation when the seam angle is ranging from 0 to 32 °.

煤层倾角在0~32°内变化，突出瓦斯相似模拟实验结果，看不出上行风和下行风对进风平巷风流逆流现象有何差别。

The air inflow in each circle is basically constant, while the diesel engine is working. So each working condition is adjusted to change the output power, by means of changing the oil injection ( changing the density of the gas mixture).

柴油发动机工作时每个循环的空气进气量基本上都是恒定的，要改变输出功率，只有通过改变喷油量（即改变混合气的浓度）来调节各个工况。

Owing to the totally elimination of the throttling action to the air inflow, this kind of unthrottled SI engine can greatly decrease the pumping loss, which makes the fuel consumption reduce 10-15% under small and medium-sized load.

由于完全取消了节气门对进气的节流作用，这种无节气门汽油机将大幅度地降低泵气损失，使中小负荷时的燃油耗降低10-15%。

The results of experiment show that this construction of ventilator has the advantage of good sealing tightness, adjustable air inflow, easy to operate, compact in construction and universal application, etc.

试验表明，这种结构具有密封性好、进风量可调、操作简单、结构紧凑、通用性强等优点。

The reasons of air inflow less than water outflow are hysteresis phenomenon exiting in unsaturated flow, and air expands and diffuses as soon as it entering sand.

造成进气流量小于出水流量的原因主要是在非饱和流中存在滞后现象和进入砂层后的空气体积膨胀和扩散。

This article discusses the problem of regulating oil inflow by feeding back the revolutions of the diesel engine and of controlling air inflow with loading signals.

本文讨论了以柴油机转速信号反馈控制进油量，并以负荷信号控制进气量的问题。

Experimental investigation on frictional loss in shrouded rotating disk with high-positioned air inflow

高位垂直进气径向出流旋转盘腔风阻效应的实验

Numerical Study on Flow and Heat Tranfer in Shrouded Rotating Disk System with Central Air Inflow

中心进气旋转盘流动与换热的数值研究

Analysis on electric field intensity distribution in air core reactor insulation can contribute to air core reactor insulation rational design.

深入分析空心电抗器绝缘的电场强度分布情况，有助于空心电抗器绝缘的合理设计。

Strategies revolve around air movement, insulation, solar gain rejection and evaporative cooling.

该战略围绕空气流动、隔离、拒绝吸收日光和蒸发式冷却进行。

By using the principle of air interlayer insulation, it is determined that the process for the insulation plate is a special forming process of air pocket through the theoretical calculation of insulation of maintaining structure composed of multi-layer homogeneous materials;

应用空气间层的保温与隔热原理，通过多层匀质材料组成的维护结构的传热方面的理论计算，确定了该保温板的制作工艺为特殊定做专用成型气袋施工法；

The initial discharge voltage using pressured air as insulation medium has different characters under diverse pressures.

空气绝缘起始放电电压在不同压力下表现出不同的特征。

A simulation experiment study on the voltage trait of initial partial discharge using pressured air as insulation medium

压力空气绝缘起始局部放电电压特性的模拟实验研究

Optimal Thickness Analysis of the Air Heat Insulation Layer Embedded in a Concrete Oil Tank

砼储油罐空气隔热层的最佳厚度分析

PASS ( Plug and Switch System) is a kind of assembled electrical equipment developed in the recent years. Its technology and economy performance index is between AIS and GIS ( the air insulation switchgear and the gas insulation switchgear).

插式开关装置PASS（Plug and Switch System）是最近几年从国外引进的一种组合电器设备，技术经济性能指标介于敞开式（AIS）设备和全封闭式（GIS）设备之间。

The paper compares the features technically and economically between mixed technology switchgear ( MTS) and air insulation switchgear ( AIS), exhibits the superiority of MTS application in ultra-high voltage substation.

分别对混合技术开关设备和常规敞开式开关设备进行了详细的技术和经济比较，并提出了混合技术开关设备在超高压变电所中应用的优越性。

Numerical Simulation and Experiment of Electron Avalanche Process for Air Insulation in Short Gap

短间隙空气绝缘电子崩过程数值模拟及实验

This paper expounds the engineering conditions and geological conditions, construction methods and main mechanical equipment of the air intake shaft of Xinyuan Coal Mine, Shanxi Province, and introduces emphatically the construction technique, construction organization and management.

阐述了山西新元矿井进风立井的工程及地质概况、施工方法和主要机械设备，重点介绍了该工程井筒的施工技术及施工组织和管理。

Quick-construction of Air Intake Shaft of Xinyuan Coal Mine

新元矿井进风立井井筒快速施工