The assessing of the measuring uncertainty of air kerma rate;
空气比释动能率测量不确定度评定
The Air Kerma Rate which is 1 meter from the source was measured.
对距源 1m处空气比释动能率测量 ,结果表明 :1 8。
Results Air kerma rates of the storing container surface and environment met with national standards,one of the performance parameters after tested reached the requirements of national standards.
结果治疗机储源器泄漏辐射的空气比释动能率及环境泄漏辐射的空气比释动能率均符合国家标准要求,一项性能指标经调试后达到国家标准要求。
Influence of Atmospheric Rainfall to the γ Radiation Kerma Rate in Surface Air
大气降雨对环境地表γ空气比释动能率测量影响规律的研究
EXPERIMENTAL STUDY ON PROPERTIES OF A KIND OF AIR SUSTAINED-RELEASE DISINFECTANT
一种空气缓释消毒剂性能的实验研究
The regulator holds a constant air-fuel ratio from cold start-up through hot air operation.
调节阀能够保证从冷启动到预热空气一直保持恒定的空气-燃料比例。
sample collection bag for dilution air
稀释空气样气收集袋
Air at higher levels may remain warmer than that near the ground.
高层的空气可能比接近地面的空气较为暖和。
Energy Analysis of High Temperature Air Combustion;
高温空气燃烧系统的能量利用率分析
A comparison study of two types of solar air collector performance
两种太阳能空气集热器性能比较研究
Aerodynamics of the Vocal Tract, Turbulence Noise, Abrupt Release, Bursts.
声道的空气动力学，紊流噪音，瞬间释放，突发音。
No, that's not it! The air pushes up on the cardboard,@ explains Brian.
“不，不是的！空气能够托住纸板，” 布赖恩解释说。
Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.
飞机各种能够飞行的带翼交通工具，通常比空气重，用喷气式发动机或螺旋桨驱动
The resulting enhancement in overall aero efficiency has been shown in Ferrari's highly improved form in the last two races.
法拉利在最近两站比赛中的优异表现也证明他们整体的空气动力学效率得到了极大加强。
ENERGY AND EXERGY EFFICIENCY ANALYSIS OF A SOLAR CONCENTRATING PV/T AIR HEATING COLLECTOR
聚光太阳能PV/T空气集热器能量和(?)效率分析
As a result, a more even air-fuel ratio is maintained.
因此，能维持合适的空气与燃料之比。
Inert gases, when released in sufficient quantity, can displace the oxygen in the atmosphere and introduce the potential hazard of asphyxiation.
当释放出足够数量时，能够取代空气中的氧气，从而带来窒息的危险。
A balloon rises because it is lighter than air.
气球之所以能够飘升，是因为它比空气轻。
air transmission coefficient
透气系数，空气透过率
void space ratio
空穴空间所占的比率
the ratio of the amount of water in the air at a give temperature to the maximum amount it could hold at that temperature; expressed as a percentage.
给定温度空气中湿度与其平常最大湿度的比率；用百分比表示。