Results 71 to 80 of about 115,557 (199)

Unveiling the Chemistry of Citrus Peel: Insights into Nutraceutical Potential and Therapeutic Applications

open access: yesFoods
The recent millennium has witnessed a notable shift in consumer focus towards natural products for addressing lifestyle-related disorders, driven by their safety and cost-effectiveness.
Hussan Munir   +8 more
doaj   +1 more source

Thermal-hydraulic Code Development and Analysis of HTGR Helical Tube Supercritical Steam Generator

open access: yesYuanzineng kexue jishu, 2022
Supercritical steam generator can further improve the power generation efficiency of high temperature gas-cooled reactor (HTGR). A supercritical steam generator design is proposed based on the experience of the subcritical once through steam generator ...
FAN Hongyi;LI Xiaowei;WU Xinxin;SUN Libin
doaj  

Continuous Production of Biodiesel with Supercritical Methanol: a Simple Compressible Flow Model for Tubular Reactors [PDF]

open access: yes, 2011
From an industrial point of view, the continuous process for biodiesel production with supercritical methanol (SCM) is more appropriate than the batch process.
Sawangkeaw, Ruengwit   +11 more
core   +1 more source

Supercritical Hénon-type equation with a forcing term

open access: yesAdvances in Nonlinear Analysis
This article is concerned with the structure of solutions to the elliptic problem for a Hénon-type equation with a forcing term: −Δu=α(x)up+κμ,inRN,u>0,inRN,(Pκ)\hspace{11.3em}-\Delta u=\alpha \left(x){u}^{p}+\kappa \mu ,\hspace{1.0em}\hspace{0.1em}\text{
Ishige Kazuhiro, Katayama Sho
doaj   +1 more source

A Modified NRTL Equation for the Solubility of Sterols in Supercritical Carbon Dioxide

open access: yes, 2014
The evaluation of the solubility of solid solutes in supercritical carbon dioxide is of paramount interest for the optimization of different supercritical based technologies.
KIKIC, IRENEO   +5 more
core  

Biodiesel production from supercritical carbon dioxide extracted Jatropha oil using subcritical hydrolysis and supercritical methylation

open access: yes, 2010
This study investigates supercritical carbon dioxide (SC-CO(2)) extraction of triglycerides from powdered Jatropha curcas kernels followed by subcritical hydrolysis and supercritical methylation of the extracted SC-CO(2) oil to obtain a 98.5% purity ...
Chen, W.H.   +10 more
core   +1 more source

Development and optimisation of supercritical fluid deposition of semiconductor films

open access: yes, 2010
This thesis is concerned with the deposition, and characterisation, of semiconductor thin films and microstructures deposited from a supercritical fluid.
Wilson, James W.
core   +1 more source

Experimental Investigation of Deposition of Silica Nanocolloids by Depressurizing Supercritical Water Vapor

open access: yesEnergies
This article presents the results of an experimental investigation of silica deposition from depressurized supercritical steam. The case investigated is relevant for supercritical geothermal reservoirs with high temperature and pressure, where silica ...
Silje Bordvik   +2 more
doaj   +1 more source

Convection Heat-Transfer Characteristics of Supercritical Pressure RP-3 in Horizontal Microchannels

open access: yesEnergies
To enhance the heat-transfer performance of scramjet engines, a numerical simulation was conducted on the heat-transfer process of RP-3 aviation kerosene under supercritical pressure within a horizontal micro-fine circular tube.
Qiaoling Zhang   +4 more
doaj   +1 more source

Coumarin solubility and extraction from emburana (Torresea cearensis) seeds with supercritical carbon dioxide

open access: yes, 2015
Coumarin is an active principle found in several vegetable species with a characteristic smell of vanilla. It is widely used as a perfume fixer, paint and spray additive, and in cleaning products.
Mohamed, RS   +4 more
core   +1 more source

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