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Design and Study of a Novel Thermal-Resistant and Shear-Stable Amphoteric Polyacrylamide in High-Salinity Solution

Abstract : Water-soluble polymers are widely used in oilfields. The rheological behaviors of these polymers in high-salinity solution are very important for stimulation of high-salinity reservoirs. In this work, a novel thermal-resistant and

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An Experimental Study on Hydrodynamic Retention of Low and High Molecular Weight Sulfonated Polyacrylamide Polymer

This research investigates the effect of the hydrodynamic retention for low and high molecular weight (AN 113 VLM and AN 113 VHM) sulfonated polyacrylamide polymer. Two high permeability Bentheimer core plugs from outcrops were used to perform

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Comparison of the Effects of Polyacrylamide and Sodium Carboxymethylcellulose Application on Soil Water Infiltration in Sandy Loam Soils

As the common water-retention polymers, the molecular weights, and structures of polyacrylamide (PAM) and sodium carboxymethylcellulose (CMC) are obviously di”erent. Modi•ed soil water management with polymers (i.e., PAM and CMC)

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Anionic Poly-Acrylamide (aPAM) – NCSU

ANIONIC POLYACRYLAMIDE. Composition: Negatively charged copolymers of acrylamide are widely used as retention aids and dry-strength resins. However, different molecular mass ranges are used for these two roles. Anionic acrylamide copolymer reten

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Design and Study of a Novel Thermal-Resistant and Shear-Stable Amphoteric Polyacrylamide in High-Salinity Solution – MDPI

21/7/2017 · Design and Study of a Novel Thermal-Resistant and Shear-Stable Amphoteric Polyacrylamide in High-Salinity Solution Caili Dai *, Zhongliang Xu, Yining Wu, Chenwei Zou, Xuepeng Wu, Tao Wang, Xu Guo and Mingwei Zhao * School of Petroleum

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Polymers | Free Full-Text | Design and Study of a Novel Thermal-Resistant and Shear-Stable Amphoteric Polyacrylamide in High-Salinity Solution

Abstract: Water-soluble polymers are widely used in oilfields. The rheological behaviors of these polymers in high-salinity solution are very important for stimulation of high-salinity reservoirs. In this work, a novel thermal-resistant and shea

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Design Standards for Stormwater Detention and Retention

Design Standards for Stormwater Detention and Retention Supplement to Title 16, Chapter 16.48, Runoff Detention Systems Floodplain and Erosion Hazard Management Ordinance Pima County Regional Flood Control District 97 E. Congress St., 3rd Floor

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CHAPTER 6 STORAGE AND DETENTION – Charlotte, NC

permanent pool of water. Since most of the design procedures are the same for detention and retention facilities, the term storage facilities will be used in this chapter to include detention an d retention facilities. If special procedures are

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Hydrogel-based temperature sensor with water retention, frost resistance and remoldability – ScienceDirect

9/1/2020 · Secondly, the water retention effect of Gly, EG, and CaCl 2 is poor under high temperature and low humidity environment, but they can slow down the evaporation of water. Finally, it can be found that the binding ability (with water molecular) of

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Assumptions for water table height for a retaining wall design.? – Earth retention engineering – Eng-Tips

13/6/2017 · I have a project given to me to design a retaining wall. It will be back filled with gravel with weep holes to act as drainage. However the problem is how high should I assume the water table to be. If I design it for a full water table, this

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Experimental evaluation of the rainfall retention and inorganic pollutant mitigation effect by dual-layer and polyacrylamide-modified green roofs

6/7/2021 · Research on substrate layer modification and filler configuration is an important direction for improving the retention and interception efficiency of green roofs. In this study, four green roof modules were established using peat soil,

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Synthesis of graphene oxide/polyacrylamide composite membranes for organic dyes/water separation in water purification | SpringerLink

20/8/2018 · Wang’s group [] prepared a new kind of GO/polycation NF membrane; the flux and retention of the obtained membrane could reach 6.42 kg m −2 h −1 bar −1 and 99.2%, respectively during the separation of methyl blue from water at 5 bar. Polyacrylami

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Design and Study of a Novel Thermal-Resistant and Shear-Stable Amphoteric Polyacrylamide in High-Salinity Solution

Design and Study of a Novel Thermal-Resistant and Shear-Stable Amphoteric Polyacrylamide in High-Salinity Solution Caili Dai *, Zhongliang Xu, Yining Wu, Chenwei Zou, Xuepeng Wu, Tao Wang, Xu Guo

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CSIRO PUBLISHING | Animal Production Science

However, the polyacrylamide in the treated soil did not significantly increase the quantity of water released from the soil by increasing the pressure from 0.01 to 1.5 MPa. The results from the first glasshouse experiment demonstrated that the

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Eurocode 7: Geotechnical Design Worked examples

Report EUR 26227 EN, 2013 Authors: Andrew J. Bond, Bernd Schuppener, Giuseppe Scarpelli, Trevor L.L. Orr Editors: Silvia Dimova, Borislava Nikolova, Artur V. Pinto Worked examples presented at the Workshop “Eurocode 7: Geotechnical Design” Dubli

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Could the addition of hydro-retention polyacrylamide gels into a substrate really increase its available water amount? – CORE

In both cases, the water absorption capacity of the two hydrophilic polyacrylamide gels was proportional reduced with the presence of dissolved salts in the water. It was found that in the tested substrate an addition of 2 g/L of super-water-ret

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Valuation of retention/formation relationships using a laboratory pilot-paper machine

two-sidedness. The design of the headbox is important for the resulting paper formation, where a design preventing large-scale flocculation is advantageous. Both retention and formation are influenced by the stock consistency (Albinsson et al.

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Synthesis, Characterization, and Flocculation Properties of Branched Cationic Polyacrylamide

24/4/2013 · Abstract A water soluble branched cationic polyacrylamide (BCPAM) was synthesized using solution polymerization. The polymerization was initiated using potassium diperiodatocuprate, K 5 [Cu(HIO 6) 2](Cu(III)), initiating the self-condensing

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Design Of Water Retaining Structures Roger Westbrook

“Do my research paper” help is at your service 24/7 Another great feature of our custom writing service is that we are available 24/7. There is a Design Of Water Retaining Structures Roger Westbrook dedicated team of friendly customer support

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Cooking Anionic Polyacrylamide Powder MSDS – Cooking Polyacrylamide, PAM

Introduction: Polyacrylamide is a linear water-soluble polymer, and is on of the most widely used varieties of water-soluble polymer compounds. PAM and its derivatives can be used as efficient flocculants, thickeners, paper enhancers and liquid

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