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10:06 Sep 16, 2017 |
Polish to English translations [PRO] Science - Physics | |||||||
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| Selected response from: Frank Szmulowicz, Ph. D. United States Local time: 05:09 | ||||||
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3 +1 | settling down and creeping (running) along the ground vapors |
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3 | gases/vapors sinking / settling low and flowing along / hugging the ground |
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settling down and creeping (running) along the ground vapors Explanation: 1 LIQUEFIED PETROLEUM GAS (LPG) LPG is a mixture of commercial butane and commercial propane having both saturated and unsaturated hydrocarbons. LPG marketed in India shall be governed by Indian Standard Code IS-4576 (Refer Table 1.0) and the test methods by IS-1448. 1.2 PHYSICAL PROPERTIES AND CHARACTERISTICS 1.2.1 DENSITY LPG at atmospheric pressure and temperature is a gas which is 1.5 to 2.0 times heavier than air. It is readily liquefied under moderate pressures. The density of the liquid is approximately half that of water and ranges from 0.525 to 0.580 @ 15 deg. C. Since LPG vapour is heavier than air, it would normally settle down at ground level/ low lying places, and accumulate in depressions. https://www.iocl.com/products/LPGSpecifications.pdf cccccccccc LPG vapours can run for long distances along the ground and can collect in drains http://www.hsa.ie/eng/Topics/Liquid_Petroleum_Gas_LPG_/ cccccccccccccc Ethane In addition, the vapors evaporating from liquid ethane are, until they warm to room temperature, heavier than air and can creep along the ground or gather in low places, and if they encounter an ignition source, can flash back to the body of ethane from which they evaporated. http://www10.dict.cc/wp_examples.php?lp_id=1&lang=en&s=ignit... |
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gases/vapors sinking / settling low and flowing along / hugging the ground Explanation: . |
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