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السجلات المعروضة 21 -- 30 من 268
Effect of the support on physicochemical properties and catalytic performance of cobalt based nano-catalysts in Fischer-Tropsch reaction
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Elsevier Ltd
, 2017 , Article)
In this paper, comparative investigations of the effects of CNTs and ?-Al2O3 on the physicochemical properties and catalytic performances of Co based nano-catalyst during FTS have been presented. Catalysts were prepared ...
Fuzzy Logic-Based Model to Predict the Impact of Flow Rate and Turbidity on the Performance of Multimedia Filters
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American Society of Civil Engineers (ASCE)
, 2017 , Article)
This paper uses fuzzy logic-based models to predict and evaluate the performance of multimedia filters utilized in wastewater treatment. A fuzzy logic-based model is constructed and trained to predict the operating time ...
Functionalization of zinc oxide (ZnO) nanoparticles and its effects on polysulfone-ZnO membranes
(
Taylor and Francis Inc.
, 2016 , Article)
Incorporation of nanoparticles in membranes has recently been reported to lead to enhancement of the membrane performance for various applications. In this study, ZnO nanoparticles were synthesized via sol-gel method using ...
Thermochemical Upgrading of Calcium Bentonite for Drilling Fluid Applications
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American Society of Mechanical Engineers (ASME)
, 2019 , Article)
The rheological properties of bentonite suspensions depend on the chemical composition and the contained dominant element, such as calcium (Ca), potassium (K), and sodium (Na). Na-bentonite type is the one used in drilling ...
Distinguishing characteristics and usability of graphene oxide based on different sources of graphite feedstock
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Academic Press Inc.
, 2019 , Article)
Graphene oxide (GO) has gained popularity in scientific research and industry due to its superior properties, which can be controlled by the synthesis method and graphite feedstock. Despite the availability of different ...
Reprint of “The effect of site-specific spectral densities on the high-dimensional exciton-vibrational dynamics in the FMO complex”
(
Elsevier B.V.
, 2018 , Article)
© 2017 Elsevier B.V. The coupled exciton-vibrational dynamics of a three-site model of the FMO complex is investigated using the Multi-layer Multi-configuration Time-dependent Hartree (ML-MCTDH) approach. Emphasis is put ...
Effect of electrolytes on electrokinetics and flocculation behavior of bentonite-polyacrylamide dispersions
(
Elsevier Ltd
, 2018 , Article)
© 2018 Elsevier B.V. In this study, the influence of electrolytes on bentonite dispersions flocculated with different polyacrylamides varying in charge type, density and molecular weights has been investigated. The presence ...
Arabic gum as green agent for ZnO nanoparticles synthesis: properties, mechanism and antibacterial activity
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Springer New York LLC
, 2017 , Article)
The size and morphology of ZnO nanoparticles (ZnO NPs) were controlled in the presence of the natural and green agent, Arabic gum. Lower amounts of Arabic gum showed a greater effect on the size and morphology as well as ...
Synthesis and characterization of poly(vinyl alcohol): Cloisite 20A nanocomposites
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John Wiley and Sons Ltd
, 2017 , Article)
Polymeric nanocomposite materials are very important materials because of their promised applications. However, many of their fundamental physical, mechanical, and chemical behaviors have not been quantified. Depending on ...
Self-assembly of a surfactin nanolayer at solid-liquid and air-liquid interfaces
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Springer Verlag
, 2016 , Article)
Surfactin, a sustainable and environmentally friendly surface active agent, is used as a model to study the adsorption of biosurfactants at hydrophobic and hydrophilic solid–liquid interfaces as well as the air–liquid ...