Extraction of wood compounds by use of subcritical fluids [PDF]
, 2003 A study of the extraction of oak wood compounds with subcritical water-ethanol mixtures as extractant, with an ethanol content between 0-60%, is reported.
Gonzalez-Rodriguez, Jose +2 more
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Prediction of wax deposit thickness in waxy crude oil pipelines using improved GM(1,1) model
Frontiers in Chemical Engineering, 2022 In this paper, the GM(1,1) model with function arccosx transformation and GM(1,1) model with function transformation are established by using arccosine function transformation method and aarccosx function transformation method, and the GM(1,1) model with
Shiqi Xu +4 more
doaj +1 more source
Uncertainty Analysis of Feature Extraction from Expired Gas Traces [PDF]
, 2000 Noninvasive medical analyses are a convenient method to study several pathologies even though their indirect nature often requires a complex processing to determine the relevant health "indicators".
Gulotta, C., Parvis, Marco, Torchio, R.
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Mass transfer in a gas-solid packed column at trickle flow [PDF]
, 1979 The height of an overall transfer unit has been evaluated in a gas—solid packed column at trickle flow by measuring column performance during steady state adsorption experiments.
Roes, A.W.M., Swaaij, W.P.M. van
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Study on reasonable gas extraction radius based on multi-index and multi-method
Energy Reports, 2022 The gas extraction radius is affected by coal seam gas pressure, borehole diameter, extraction time, extraction negative pressure and other factors. Under the coupling of different factors, the gas extraction radius of borehole is also different.
Fengfeng Yang +6 more
doaj +1 more source
Electrochemical Process for Diazinon Removal from Aqueous Media: Design of Experiments, Optimization, and DLLME-GC-FID Method for Diazinon Determination [PDF]
, 2015 In the present study, electrochemical process was studied via removal of diazinon (O,O-diethyl O-2-isopropyl-6-methylpyrimidin-4-yl phosphorothioate) as an insecticide/ acaricide organic case study.
Daraei, H. +4 more
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Development of Head Space Sorptive Extraction Method for the Determination of Volatile Compounds in Beer and Comparison with Stir Bar Sorptive Extraction [PDF]
, 2020 A headspace sorptive extraction method coupled with gas chromatography-mass spectrometry (HSSE-GC-MS) was developed for the determination of 37 volatile compounds in beer.
Castro Mejías, Remedios +3 more
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Geofluids, 2022 Quantitative design of the optimal gas extraction engineering parameters has always been a key scientific problem to meet the predrainage target of the coal seam, which is paid great attention to and urgently expected to solve for the gas extraction ...
Tong-qiang Xia +6 more
doaj +1 more source
Meikuang Anquan, 2022 In order to solve the problem of gas overrun and low utilization rate caused by mining pressure relief gas pouring into mining working space in high gas outburst coal seam, this paper used numerical simulation and field application methods to study the ...
LI Yanhe, ZHAI Cheng, DING Xiong
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Fast computation of multi-scale combustion systems [PDF]
, 2011 In the present work, we illustrate the process of constructing a simplified model for complex multi-scale combustion systems. To this end, reduced models of homogeneous ideal gas mixtures of methane and air are first obtained by the novel Relaxation ...
Asinari, Pietro +2 more
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