Results 21 to 30 of about 52,953 (199)

A novel global hydrodynamic analysis of the molecular flexibility of the dietary fibre polysaccharide konjac glucomannan [PDF]

open access: yes, 2009
Konjac glucomannans have been widely considered in health food products although their hydrodynamic properties have been poorly understood. The weight-average molecular weight (Mw); sedimentation coefficient (s020,w) and intrinsic viscosities ([η]) have
Kok, M. S.   +4 more
core   +1 more source

Petroleum products in wastewater and their properties [PDF]

open access: yesBIO Web of Conferences
Water bodies are polluted by oil and petroleum products from various sources. The primary sources are navigation, accidents on ships and coastal areas, industrial wastewater discharges, surface wastewater from settlements, and transportation crossings of
Alekseev Evgeny Valerevich   +1 more
doaj   +1 more source

Preparation and characterization of magnetorheological suspensions with high sedimentation stability [PDF]

open access: yes, 2020
The introduced diploma thesis focuses on the preparation of magnetorheological suspensions with high sedimentation stability. The theoretical part generally describes these suspensions and their properties, it also focuses on the possibilities of ...
Oharek, Lukáš
core   +2 more sources

The Synthesis and Study of Metal Powder Stabilizer Properties in Lubrication Compositions

open access: yesИнженерные технологии и системы, 2019
Introduction. Modern manufacturing technologies of powder materials allow obtaining particles sized 0.1–0.5 μm. Powders with such dispersion have a very high surface energy and, consequently, unique properties. Powders with a given size can be used as an
Valentin V. Safonov   +4 more
doaj   +1 more source

Ultra-Lightweight Cement Slurry to Seal Wellbore of Poor Wellbore Stability

open access: yesEnergies, 2020
The article presents the recipe for ultra-lightweight cement slurry for wellbore sealing. In ordinary lightweight cement slurries, the addition of microspheres and a large amount of water are used to maintain rheological parameters.
Marcin Kremieniewski
doaj   +1 more source

Using mathematical models to assess sediment stability [PDF]

open access: yesIntegrated Environmental Assessment and Management, 2006
Abstract The application of mathematical models to a sediment stability study is presented, with an emphasis on using models as a component of an effort to develop, refine, and potentially validate a conceptual site model (CSM) for sediment transport at a study site.
openaire   +2 more sources

INVESTIGATION OF THE PROPERTIES OF THE SUSPENSIONS FOR NON-STICK COATINGS FOR FOUNDRY

open access: yesЛитьë и металлургия, 2015
The research aimed at figuring out dependence of the technological properties (density, thickness of the coating, reduced strength and sedimentation stability) of the suspensions for nonstick coatings on the for activation time powder quartz graphite ...
T. Gil’manshina   +5 more
doaj   +1 more source

Fe3O4 nanoparticles anchoring onto graphitic carbon nitrogen nanosheets for enhanced magneto-stimuli responses and sedimentation stability

open access: yesJournal of Materials Research and Technology, 2023
A kind of novel two-dimensional magnetic nanocomposites were successfully fabricated via the immobilization of Fe3O4 nanoparticles onto the surface of graphitic carbon nitrogen (g-C3N4) nanosheets by a facile liquid exfoliated method and subsequent ...
Guangshuo Wang   +11 more
doaj   +1 more source

Technological evaluation and determination of the traits stability in breeding materials in the early generations

open access: yesРастениевъдни науки, 2023
The experiment was carried out on an experimental field of Institute of Plant Genetic Resources "K. Malkov", Sadovo during the period 2016 - 2018.
Zlatina Uhr   +3 more
doaj   +1 more source

Incorporating Sediment Stability within the Management of Contaminated Sediment Sites: A Synthesis Approach [PDF]

open access: yesIntegrated Environmental Assessment and Management, 2006
Abstract At the Third International Conference on Remediation of Contaminated Sediments, a panel discussion was held to consider how best to incorporate sediment stability assessment (SSA) results when managing risks at contaminated sediment sites.
W Frank, Bohlen, Michael J, Erickson
openaire   +2 more sources

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