dead air是什么意思

网络释义

用法例句

The results showed that the capacity of disc filter will increase dramatically as the white-water consistency decreases or air content decrease in the white-water.

对泰格林纸集团公司20万t/a文化纸机的多盘白水过滤机进行了工艺改进,从垫层浆、白水浓度和白水的空气含量等方面进行了优化,提高了多盘白水过滤机的白水处理能力。

With and without air content in water, the pressure change of HDPE pipe hydraulic test is analyzed to show the relationship between the air content, strain and the pressure,based on the viscous-elastic of HDPE pipe, the result is used to explain the method and measure of HDPE pipe hydraulic test .

在管中掺杂空气和无空气两种情况下,从热塑性HDPE管在试压压力作用下的粘弹性应变特性出发,对试压时压力变化进行研究,分析HDPE管试压时压力变化规律与管道中空气含量及应变的关系,并根据分析结果说明HDPE试压方法和相应对策。

testing method for air content of hydraulic cement mortar

水泥空气含量测定法

Experimental Study of Induced Ship Hull Excitation Force Prediction at different gas content

不同空气含量下螺旋桨激振力预报的试验研究

humidity ratio of moist air in the free stream

自由气流湿空气的湿含量

Improvement on the Experiment of " Determining Oxygen Content in the Air";

“空气中氧气含量的测定”实验的改进

measurement of airborne dust by the membrane filter method

以薄膜过滤法测量空气含尘量

The quantity of oxygen in the air is known in this way.

空气中含氧量是用这种方法测出的。

ambient hydrocarbon analyzer

环境空气中碳氢化物含量分析仪

plutonium-in-air filter paper monitor

滤纸法空气含钚量监测仪

Humidity is a measure of moisture in the atmosphere.

湿度是空气内含水分多少的量度.

Investigation of indoor air formaldehyde pollutants in Shanghai

上海市室内空气污染物甲醛含量调查

Both contribute to the amount of particle pollution in the air.

这都会增加空气中的微粒含量，对大气造成污染。

a colorless element that is one of the six inert gasses; occurs in trace amounts in air.

无色元素，六种惰性气体之一，空气中含量较少。

Analysis of benzene content in indoor air by gas chromatography

室内空气中苯含量的气相色谱分析方法的比较

ambient sulphur dioxide concentration

周围空气的二氧化硫含量；外围空气的二氧化硫浓度

Measurement of Atmosphere NO_2 Amounts and Angle Spacial Distribution Using Zenith-Light Spectra and Sky-Light Spectra

利用天顶光光谱和天空光光谱测量大气NO_2含量和角空间分布

The shape depends mainly on the temperature and water levels in the air.

形状主要取决于温度和空气中的水含量。

The dew point is the highest temperature to which the air cools to saturation moisture content.

露点是空气降温到含水量饱和的(最高)温度。

Determination of High Content Chromium in Iron and Steel by Air-Acetylene Flame AAS

空气-乙炔火焰原子吸收法测定钢铁中高含量铬