Results 31 to 40 of about 35,118 (269)
Bifurcation analysis of a three dimensional system
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
Subcritical bifurcation and bistability in thermoacoustic systems
This paper analyses subcritical transition to instability, also known as triggering in thermoacoustic systems, with an example of a Rijke tube model with an explicit time delay.
Subramanian, Priya +2 more
core +2 more sources
Stability and activity of doped transition metal zeolites in the hydrothermal processing
This study investigates the stability and activity of HZSM-5 doped with metals such as molybdenum, nickel, copper and iron in under hydrothermal conditions used for the direct liquefaction of microalgae.
Thomas François Robin +3 more
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Effects of extraction methods on the quality of elderberry seed oil
Objective: This study aimed to compare the effects of different extraction methods including cold pressing extraction, soxhlet extraction and subcritical butane extraction on the yield, physicochemical properties, fatty acid composition and in vitro ...
XUE Qing +7 more
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Cygnus Performance in Subcritical Experiments [PDF]
Summary form only given. The Cygnus Dial Beam Radiographic Facility consists of two identical radiographic sources with the following specifications: 4-rad dose at 1 m, 1-mm spot size, 50-ns pulse length, 2.25-MeV endpoint energy. The facility is located in an underground tunnel complex at the Nevada Test Site.
J. Smith +9 more
openaire +1 more source
The physicochemical properties of chitosan obtained from the shells of swimming crab (Portunus trituberculatus) and prepared via subcritical water pretreatment were examined.
Gengxin Hao +6 more
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Kinetics of Formic Acid Decomposition in Subcritical and Supercritical Water - A Raman Spectroscopic Study [PDF]
The decomposition of formic acid is studied in a continuous sub- or supercritical water reactor at temperatures between 300 and 430°C, a pressure of 25 MPa, residence times between 4 and 65 s, and a feedstock concentration of 3.6 wt%.
Brian, Pinkard +5 more
core +1 more source
The physicochemical properties, chemical compositions, antioxidant activities, and volatile profiles of fragrant Semen Trichosanthis oil (FSTO) extracted by cold pressing (CP), solvent extraction (SE), subcritical n-butane extraction (SBE), and ...
Ling-Biao Gu +9 more
doaj +1 more source
The pulsed subcritical amplifier of neutron flux driven by high-intensity neutron generator [PDF]
The subcritical reactor driven by external neutron source could apply as useful instrument for modern nuclear energy applications requiring high-level irradiation of different materials by the high-energy and high-intense neutron flux (e. g.
Babenko Vladimir +2 more
doaj +1 more source
Global bifurcations to subcritical magnetorotational dynamo action in Keplerian shear flow [PDF]
Magnetorotational dynamo action in Keplerian shear flow is a three-dimensional, non-linear magnetohydrodynamic process whose study is relevant to the understanding of accretion processes and magnetic field generation in astrophysics.
Cossu, Carlo +11 more
core +1 more source

