Results 11 to 20 of about 495,506 (245)

Polyacrylamide and Polyacrylamide/Polysaccharide Hydrogels for Well Water Shutoff in High-Temperature Reservoirs [PDF]

open access: yesGels
Polyacrylamide and polyacrylamide/polysaccharide hydrogels exhibiting high structural and mechanical properties, along with acceptable gelation times and gelant viscosity, are proposed for water shutoff applications in high-temperature reservoirs.
Aleksey Telin   +10 more
doaj   +2 more sources

A comparative study of pH and temperature on rheological behaviour between Polyacrylamide (PAM) and its modified PAM [PDF]

open access: yesE3S Web of Conferences, 2022
Drilling waste is a problem that affects the environment, society, and health. However, the rheological additive in drilling fluid is the source of the generation of drilling waste.
Koh Jin Kwei   +4 more
doaj   +1 more source

An Assessment of Chromium (VI) Removal from Aqueous Solution Using Gelatin/PAAm-based IPN Hydrogels

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2023
In this work, gelatin (G)-polyacrylamide (PAAm)-based interpenetrating polymer network (IPN) hydrogels involving maleic acid (MA) was prepared using by radical polymerization.
Gülen Oytun Akalın
doaj   +1 more source

Study on low temperature plasma combined with AC/Mn + TiO2–Al2O3 catalytic treatment of sewage-containing polyacrylamide

open access: yesWater Science and Technology, 2023
With the introduction of tertiary oil recovery technology, polymer oil drive technology has effectively improved the recovery rate of crude oil, but the resulting oilfield wastewater-containing polyacrylamide (PAM) is viscous and complex in composition ...
Xiaobing Wang   +5 more
doaj   +1 more source

Numerical Investigation of the Anti-infiltration and Anti-Erosion Performance of Composite Layers Mixed With Polyacrylamide and Basalt Fibre for the Protection of Silt Subgrade Slopes

open access: yesFrontiers in Earth Science, 2022
In view of the failure characteristics of rainfall erosion and imbricate layered sliding of silt subgrade slopes, this paper proposes a slope surface protection technology that is a composite protection layer that combines basalt fibre for reinforcing ...
Shuangfeng Guo   +3 more
doaj   +1 more source

Simultaneous Cryogenic Radical and Oxidative Coupling Polymerizations to Polyaniline/Polyacrylamide Conductive Cryogels for Gas Sensing

open access: yesGels, 2022
The macro-porous structure of polymer cryogels provides an appropriate channel for the adsorption and transport of substances, endowing its application in the field of electrochemical sensing.
Xiao-Xiao Guo   +5 more
doaj   +1 more source

The Influence of feeding of polyacrylamide and mineral-vitamin supplements on growth indices and digestivity of nutrients of young food in young [PDF]

open access: yesТехнологія виробництва і переробки продуктів тваринництва, 2021
The effect of feeding polyacrylamide (PA) and mineral-vitamin supplements (MVD) on the average daily gain, hematological parameters, nutrient digestibility in pigs, metabolism of nitrogen, calcium, phosphorus, iron, cobalt, copper, zinc and manganese at ...
Fesenko V.   +4 more
doaj   +1 more source

Runoff Mitigation in Croplands: Evaluating the Benefits of Straw Mulching and Polyacrylamide Techniques

open access: yesAgronomy, 2023
Water loss through surface runoff is a significant constraint for rainfed agricultural lands across the Mediterranean region. Using straw-mulch cover (SMC) as a runoff mitigator has been successfully utilized to negate the impact of raindrop splashing ...
Eli Argaman, Ilan Stavi
doaj   +1 more source

Preparation of Polyacrylamide with Improved Tacticity and Low Molecular Weight Distribution [PDF]

open access: yesBIO Web of Conferences, 2022
Polyacrylamide with improved tacticity and low molecular weight distribution was obtained via stereospecific atom transfer radical polymerization (ATRP) using the mixture of Lewis acids Y(OTf)3 and AlCl3 in a certain ratio as stereospecific catalyst and ...
Jiang Jianguo   +4 more
doaj   +1 more source

Design of novel temperature-resistant and salt-tolerant acrylamide-based copolymers by aqueous dispersion polymerization

open access: yesDesigned Monomers and Polymers, 2022
Development of polymer-based flooding technology to improve oil recovery efficiency, water dispersion copolymerization of acrylamide, cationic monomer methacryloxyethyltrimethyl ammonium chloride (METAC), and anionic monomer acrylic acid (AA) were ...
Xiang Li   +9 more
doaj   +1 more source

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