其物理意义为:压强x体积/时间。漏率的国际单位为“瓦特”(W)或Pa.m3/s。1W=1Pa.m3 / S=103Pa.L/S=7.5Torr.L/S。漏孔的漏率也就是通过漏孔的气体流量,这个气体流量受环境温度、漏孔两端的压差(即工件内外压差)和气体各类等因素的影响。从漏率单位的量纲我们可以看到:由于 1Pa=1N / m2 , 1J=1N.m;...
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二氧化碳在通常状况下是一种无色、无臭、无味的气体能溶于水,溶解度为0.144g/100g水(25℃)。在20℃时,将二氧化碳加压到5.73×106 Pa即可变成无色液体,常压缩在钢瓶中存,在-56.6℃、5.27×105 Pa时变为固体。液态二氧化碳碱压迅速蒸发时,一部分气化吸热,二另一部分骤冷变成雪状固体,将雪状固体压缩,成为冰状...
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。样一置设性属的态状面 前同用作和义意的者两 �段字 kniL t nemucoD 和段字 noitpircseD 有只容 内的中框话对 模建统系辑逻 wolfetatS·04 · �)示所 02-2 图如(是法方的签标加添移转给 �签标加添以可样同移转 。容 内的中 oD snoitisnarT t ramsnoN tahW :strahC h tiw...
Rainer Dumke1,7 Hybrids consisting of macroscopic superconducting circuits and microscopic components, such as atoms and spins, have the potential of transmitting an arbitrary state between different quantum species, leading to the prospective of high-speed operation and long-time storage of quantum ...
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sustainability Review State-of-the-Art Review on Sustainable Design and Construction of Quieter Pavements—Part 1: Traffic Noise Measurement and Abatement Techniques MD Ohiduzzaman 1, Okan Sirin 1,*, Emad Kassem 2 and Judith L. Rochat 3 1 Department of Civil and Architectural Engineering, Qatar ...
sensors Article The Role of Visual Noise in Influencing Mental Load and Fatigue in a Steady-State Motion Visual Evoked Potential-Based Brain-Computer Interface Jun Xie 1,2,*, Guanghua Xu 1,2,*, Ailing Luo 1, Min Li 1, Sicong Zhang 1, Chengcheng Han 1 and Wenqiang Yan 1 1 School of...
Massachusetts FY 2025 Budget: Tax Amnesty Program, IRC Conformity, and Joint Filing Changes Read More Insights July 18, 2024 From NOL Limits to Childcare Credits: What Pennsylvania’s New Tax Law Means for You Read More Insights July 8, 2024 New York Small Manufacturer Modernization Pro...