Results 21 to 30 of about 218,527 (181)

Operation Control and Simulation of Supercritical Reheat Back Pressure Turbine

open access: yes南方能源建设, 2023
[Introduction] In order to meet the needs of the rapid development of China's industry for high parameters and high-quality heat load, make full use of the advantages of the high efficiency of supercritical large-capacity units and the high thermal ...
Honglei YUAN   +3 more
doaj   +1 more source

Supercritical carbon dioxide pasteurization to reduce the activity of muscle protease and its impact on physicochemical properties of Nile tilapia [PDF]

open access: yesResearch Ideas and Outcomes, 2020
The studies of the effect of supercritical carbon dioxide (scCO2) pasteurization on solid food from fish origin are scarcely available. This study was intended to address that gap by investigating the effect of scCO2 on the reduction of muscle protease ...
Sugeng Sugiharto   +3 more
doaj   +3 more sources

Using Static Culture Method to Increase the Production of Acetobacter Xylinum Bacterial Cellulose

open access: yesJournal of Natural Fibers
Bacterial cellulose is a natural polymer, usually produced through synthetic (chemically defined) or natural media. However, the current methods of bacterial cellulose production are not ideal because of their low productivity and large number of ...
Jialing Chen   +4 more
doaj   +1 more source

The No-Negative Mode Theorem in False Vacuum Decay with Gravity [PDF]

open access: yes, 1999
The so-called negative mode problem in the path integral approach to the false vacuum decay with the effect of gravity has been an unsolved problem. Several years ago, we proposed a conjecture which is to be proved in order to give a consistent solution ...
Bucher   +24 more
core   +2 more sources

A comparative study for the pair-creation contact process using series expansions

open access: yes, 2007
A comparative study between two distinct perturbative series expansions for the pair-creation contact process is presented. In contrast to the ordinary contact process, whose supercritical series expansions provide accurate estimates for its critical ...
C E Fiore   +9 more
core   +1 more source

Multimodal oscillations in systems with strong contraction [PDF]

open access: yes, 2007
One- and two-parameter families of flows in $R^3$ near an Andronov-Hopf bifurcation (AHB) are investigated in this work. We identify conditions on the global vector field, which yield a rich family of multimodal orbits passing close to a weakly unstable ...
Arnold   +35 more
core   +3 more sources

EXPLORATORY STUDY OF NEAR AND SUPERCRITICAL CARBONDIOXIDE WARM PASTEURIZATION ON NILE TILAPIA

open access: yesAgrointek, 2020
Effects of both near critical and supercritical CO2 pasteurization on inactivation of muscle protease and lipase of red tilapia (Oreochromis niloticus) were investigated along with its impact on microbial reduction and physical appearance.
Sugeng Pondang Sugiharto   +3 more
doaj   +1 more source

On the role of Riesz potentials in Poisson's equation and Sobolev embeddings [PDF]

open access: yes, 2014
In this paper, we study the mapping properties of the classical Riesz potentials acting on $L^p$-spaces. In the supercritical exponent, we obtain new "almost" Lipschitz continuity estimates for these and related potentials (including, for instance, the ...
Garg, Rahul, Spector, Daniel
core   +1 more source

Bifurcation analysis of a three dimensional system

open access: yesJournal of Hebei University of Science and Technology, 2018
In order to enrich the stability and bifurcation theory of the three dimensional chaotic systems, taking a quadratic truncate unfolding system with the triple singularity equilibrium as the research subject, the existence of the equilibrium, the ...
Yongwen WANG, Zhiqin QIAO, Yakui XUE
doaj   +1 more source

VAN DER WAALS MIXING RULES FOR THE REDLICH-KWONG EQUATION OF STATE. APPLICATION FOR SUPERCRITICAL SOLUBILITY MODELING

open access: yesReaktor, 2006
A solid-supercritical fluid system is highly asymmetric in terms of the size and energy differences of the components. The key point in extending a cubic equation of state to such system is on the choice of proper mixing rules.
Ratnawati Ratnawati
doaj   +1 more source

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