Results 31 to 40 of about 139,180 (187)

Role and variations of supernatant compounds in submerged membrane bioreactor fouling [PDF]

open access: yes, 2005
Many studies have been performed to analyze the influence of extracellular polymeric substances (EPS) in membrane fouling. Most of these works deal with the impact of solid contents in the fouling, and some of them have studied the role ofsupematant ...
Albasi, Claire   +3 more
core   +1 more source

Thermally safe operation of a cooled semi-batch reactor: slow liquid-liquid reactions [PDF]

open access: yes, 1988
Thermally safe operation of a semi-batch reactor (SBR) implies that conditions leading to strong accumulation of unreacted reactants must be avoided. All thermal responses of a SBR, in which a slow liquid-liquid reaction takes place, can be represented ...
Steensma, M., Westerterp, K.R.
core   +2 more sources

Measurements of 235U(nth,f) Spectrum Averaged Cross Sections (SACS) in zero power reactors [PDF]

open access: yesEPJ Web of Conferences
This paper deals with the measurement of Spectrum Averaged Cross Sections in two different neutron fields formed in zero power reactors. The first was Benchmark Neutron Reference Field in the LR-0 reactor, and the second field was in the center of the ...
Košťál Michal   +12 more
doaj   +1 more source

Stoichio-kinetic modeling and optimization of chemical synthesis: Application to the aldolic condensation of furfural on acetone [PDF]

open access: yes, 2008
The condensation reaction of furfural (F) on acetone (Ac) gives a high added value product, the 4-(2-furyl)-3-buten-2-one (FAc), used as aroma in alcohol free drinks, ice, candies, gelatines and other products of current life.
Cabassud, Michel   +4 more
core   +1 more source

Switchable opening and closing of a liquid marble via ultrasonic levitation [PDF]

open access: yes, 2015
Liquid marbles have promising applications in the field of microreactors, where the opening and closing of their surfaces plays a central role. We have levitated liquid water marbles using an acoustic levitator and, thereby, achieved the manipulation of ...
Binks, Bernard P.   +5 more
core   +1 more source

DIAMOND DETECTORS FOR FAST TRANSIENT SCRAM MEASUREMENTS – THE DETECTOR DEVELOPMENT

open access: yesActa Polytechnica CTU Proceedings, 2019
This paper presents a development of special diamond detector for time dependent neutron flux measurements in a nuclear reactor. Neutron flux changes during SCRAM are difficult to measure by existing detector technologies.
Ondřej Novák   +3 more
doaj   +1 more source

Parametrization of Seesaw Models and Light Sterile Neutrinos [PDF]

open access: yes, 2011
The recent recomputation of the neutrino fluxes from nuclear reactors relaxes the tension between the LSND and MiniBooNE anomalies and disappearance data when interpreted in terms of sterile neutrino oscillations.
Abe   +43 more
core   +2 more sources

Determination of the Clean Air Delivery Rate (CADR) of Photocatalytic Oxidation (PCO) Purifiers for Indoor Air Pollutants Using a Closed-Loop Reactor. Part II: Experimental Results

open access: yesMolecules, 2017
The performances of a laboratory PhotoCatalytic Oxidation (PCO) device were determined using a recirculation closed-loop pilot reactor. The closed-loop system was modeled by associating equations related to two ideal reactors: a perfectly mixed reservoir
Valérie Héquet   +5 more
doaj   +1 more source

Towards distributed diagnosis of the Tennessee Eastman process benchmark [PDF]

open access: yes, 2002
A distributed hybrid strategy is outlined for the isolation of faults and disturbances in the Tennessee Eastman process, which would build on existing structures for distributed control systems, so should be easy to implement, be cheap and be widely ...
Basseville   +34 more
core   +1 more source

Calculation and measurement of Al prompt capture gammas above water in a pool-type reactor

open access: yesNuclear Engineering and Technology, 2022
Prompt capture gammas are an important part of the fission reactor gamma field. Because some of the structural materials after neutron capture can emit photons with high energies forming the dominant component of the gamma spectrum in the high energy ...
Tomáš Czakoj   +6 more
doaj  

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