gas porosity
11Natural gas storage — Natural gas, like many other commodities, can be stored for an indefinite period of time in natural gas storage facilities for later consumption. Contents 1 Usage 2 Measures and definitions 3 Types 3.1 …
12natural gas — a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and,… …
13Inert gas — Inert gases is also used in a narrower sense for noble gases. An inert gas is any gas that is not reactive with elements.Like the noble gases an inert gas is not necessarily elemental and are often molecular gases. Like the noble gases the… …
14Oil and gas reservoir — is a geological rock containing voids of such porosity and permeability properties that identify its capability to contain fluids and ensure their mobility. The reservoir thickness, homogeneity of area and the degree of variation in depth and by… …
15Пористость — Porosity Пористость. (1) Мелкие отверстия или поры в твердом теле; количество этих пор выражено как процент от общего объема твердого тела (2) Кавернообразные несплошности в сварном соединении, сформированные выделением газов во время… …
16Газовая пористость — Gas porosity Газовая пористость. Тонкие раковины или поры в металле, которые вызваны поглощенными газами с последующим их выделением в процессе затвердевания металла. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО… …
17Spray forming — Spray forming, also known as spray casting, spray deposition[1] and in situ compaction,[2] is a method of casting near net shape metal components with homogeneous microstructures via the deposition of semi solid sprayed droplets onto a shaped… …
18Casting defect — A casting defect is an irregularity in the metal casting process that is undesired. Some defects can be tolerated while others can be repaired otherwise they must be eliminated. They are broken down into five main categories: gas porosity,… …
19Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… …
20Die casting — An engine block with aluminium and magnesium die castings. Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity. The mold cavity is created using two hardened tool steel dies… …
