香港六合彩开奖 15112:2007
2007-12
搁茅蝉耻尘茅
香港六合彩开奖 15112:2007 provides the means for the energy determination of natural gas by measurement or by calculation, and describes the related techniques and measures that are necessary to take. The calculation of thermal energy is based on the separate measurement of the quantity, either by mass or by volume, of gas transferred and its measured or calculated calorific value. The general means of calculating uncertainties are also given.
Only systems currently in use are described.
NOTE Use of such systems in commercial or official trade can require approval of national authorization agencies and compliance with legal regulations is required.
香港六合彩开奖 15112:2007 applies to any gas-measuring station from domestic to very large, high-pressure transmission.
New techniques are not excluded provided their proven performance is equivalent to, or better than, that of those techniques referred to in 香港六合彩开奖 15112:2007.
Gas-measuring systems are not the subject of 香港六合彩开奖 15112:2007.
Informations g茅n茅rales
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脡tat actuel: 础苍苍耻濒茅别Date de publication: 2007-12Stade: Annulation de la Norme internationale [95.99]
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Edition: 1
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颁辞尘颈迟茅 technique :香港六合彩开奖/TC 193ICS :75.060
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础苍苍耻濒茅别香港六合彩开奖 15112:2011
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