Mine roadways were classified on the basis of their aerodynamics aging regularities.
在对矿井巷道按空气动力学老化规律进行分类的基础上 ,运用统计分析方法 ,通过对巷道百米风阻与时间关系的拟合分析 ,得出了各类巷道百米风阻随时间变化的经验公式 ,为巷道的预防性维修 ,为分析矿井通风系统的可靠性提供了重要依据 。
Indoor Air Chemistry in Naturally Ventilated Environment and Human Exposure Modeling
自然通风下的室内空气化学与人体暴露建模
Sun, air and wind cause quick chemical changes.
太阳、空气和风引起快速的化学变化。
The Dynamic Process and Cavitation Luminescence of Transient Single Acoustic Cavitation Bubbles
瞬态单一声空化气泡的动力学过程及空化发光
A Study on Determining Gaseous n-hexane in Air Based on Cataluminescence Method
催化化学发光法检测空气中正己烷气体的研究
Iron reacts with water and air to produce rust.
铁与水和空气起化学反应而生?.
stoichiometric air addition
按化学计量组成所需的附加空气量
Determination of NO_2 in Air by Chemiluminescence Detection
化学发光法检测空气中NO_2研究
The Chemical Components in Air Condensate Water at Different Urban Regions
城市不同区域空气冷凝水的化学组成
Air is necessary if certain important chemical changes are to take place.
如果要发生重大的化学变化,必须要有空气。
liquefier for air or other gases
空气或其他气体液化器
perfect gas aerodynamics
理想气体空气动力学
upper atmosphere aerodynamics
高层大气空气动力学
reentry aerodynamics
再入大气层空气动力学
rarefied aerodynamics
稀薄气体空气动力学
Releasing harmful chemicals into the air and water endangers living things.
释放有害的化学物质到空气和水中会危害生物。
This chemical combines with air to form another substance.
这种化学制品和空气结合成另一种物体。
Study on the Kinetics of P-Xylene Liquid Air Oxidation;
对二甲苯液相空气氧化反应动力学的研究
Numerical Analysis of Single Bubble Dynamics in Ultrasonic Cavitation;
单一超声空化气泡动力学过程的数值分析
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