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Title: Discussion On The Trend Of Natural Gas Primary Standard In China Mainland
Author: Duan Jiqin, Ren Jia, Chen Huiyu,Peng Liguo
Source: Flomeko 2010
Year Published: 2010
Abstract: Presently there are several types of natural gas primary standards, such as the high pressure piston prover(HPPP), mass-time gravimetric flow standard(mt), PVTt, New optical primary standard with LDA-System (LDA )etc. Base on the analysis of advantages and disadvantages, the affection factors of these gas flow standards, the developing trends of natural gas flow primary standards in China are discussed in the paper. In addition suggestions for the future research directions on gas flow standard are given, so as to reduce the measurement uncertainty and approach a higher level of natural gas flow measurement.

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