Results 11 to 20 of about 3,731,129 (307)

Effect of chemical–thermal activation on the properties of recycled fine powder cementitious materials

open access: yesCase Studies in Construction Materials
Recycled fine powder (RFP) collected from construction and demolition waste resources is difficult to use in large quantities due to its low activity. To promote the activity of RFP and maximize its economic and environmental benefits, it is necessary to
Liuyi Chen   +3 more
doaj   +2 more sources

Characterization and initial demonstration of in vivo efficacy of a novel heat-activated metalloenediyne anti-cancer agent

open access: yesInternational Journal of Hyperthermia, 2022
Background Enediynes are anti-cancer agents that are highly cytotoxic due to their propensity for low thermal activation of radical generation. The diradical intermediate produced from Bergman cyclization of the enediyne moiety may induce DNA damage and ...
Joy Garrett   +10 more
doaj   +1 more source

Iraqi bentonite as natural pozzolan

open access: yesMagazine of Civil Engineering, 2022
In this study, Iraqi high-calcium bentonite was used for the first time to prepare natural pozzolan for concrete by the thermal activation method (calcination).
Al-Hammood Amer   +2 more
doaj   +1 more source

Thermal Activation in Permanent Magnets [PDF]

open access: yesJOM, 2015
The coercive field of permanent magnets decays with temperature. At non-zero temperature the system can overcome a finite energy barrier through thermal fluctuations. Using finite element micromagnetic simulations, we quantify this effect, which reduces coercivity in addition to the decrease of the coercive field associated with the temperature ...
S. Bance   +5 more
openaire   +2 more sources

Driven activation vs. thermal activation [PDF]

open access: yesEurophysics Letters (EPL), 2007
Activated dynamics in a glassy system undergoing steady shear deformation is studied by numerical simulations. Our results show that the external driving force has a strong influence on the barrier crossing rate, even though the reaction coordinate is only weakly coupled to the nonequilibrium system.
Ilg, Patrick, Barrat, Jean-Louis
openaire   +2 more sources

Identifying signatures of thermal and non-thermal reaction pathways in plasmon induced H2 + D2 exchange reaction [PDF]

open access: yes, 2022
In this work we demonstrate a strategy for identifying experimental signatures of thermal and non-thermal effects in plasmon mediated heterogeneous catalytic chemistry, a topic widely debated and discussed in the literature.
Amaraja, Taur   +2 more
core   +2 more sources

Thermal and non-thermal fluctuations in active polar gels [PDF]

open access: yesThe European Physical Journal E, 2008
We discuss general features of noise and fluctuations in active polar gels close to and away from equilibrium. We use the single-component hydrodynamic theory of active polar gels built by Kruse and coworkers to describe the cytoskeleton in cells. Close to equilibrium, we calculate the response function of the gel to external fields and introduce ...
Basu, A.   +3 more
openaire   +3 more sources

Hydrodynamics of thermal active matter [PDF]

open access: yesPhysical Review E
Active matter concerns many-body systems comprised of living or self-driven agents that collectively exhibit macroscopic phenomena distinct from conventional passive matter. Using Schwinger-Keldysh effective field theory, we develop a novel hydrodynamic framework for thermal active matter that accounts for energy balance, local temperature variations ...
Jay Armas, Akash Jain, Ruben Lier
openaire   +4 more sources

A comparative optimisation study of activated carbon production from hazelnut shells by thermal and microwave heating methods [PDF]

open access: yes, 2014
This research has studied the optimisation of activated carbon production from waste hazelnut shells, using both conventional and microwave heating techniques.
Sharifan, Suzan
core   +1 more source

Assessment of activation energy of enthalpy relaxation in sucrose-water system : effects of DSC cycle type and sample thermal history

open access: yes, 2022
The purpose of this study is to critically analyze different methods of calculation of activation energy of relaxation in sucrose-water system from differential scanning calorimetry data.
Bogdanova, Ekaterina,   +5 more
core   +1 more source

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