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    2021-5-19 · (2019). Continuous low dosing of cationic polyacrylamide (PAM) to enhance algal harvest from a hectare-scale wastewater treatment high rate algal pond. New Zealand Journal of Botany: Vol. 57, Special issue: Biology and biotechnological applications …

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    2021-6-8 · Polyacrylamide is a kind of linear high molecular polymer, the product is mainly in the form of dry powder. According to their average molecular weight, they can be divided into low molecular weight, medium molecular weight and high molecular weight. According to its structure, it can be divided into nonionic type, anionic type and cationic type.

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    2016-3-1 · Synergetic effects of polyacrylamide and nonionic surfactants on preventing gas hydrate formation ... the structure of gas hydrate becomes thermodynamically stable under suitable thermodynamic conditions (usually elevated pressures and/or low temperatures). ... on the induction time of natural gas hydrate formation and they suggested a new ...

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    2018-10-1 · Nonionic polyacrylamide (NPAM) and phenolic resin cross-linker were used to prepare the phenolic resin gel. The hydrolysis degree and average molecular weight of NPAM were 3.31% and 9,650,000 g/mol, respectively. The cross-linker was prepared by using phenol, formaldehyde and urotropine, and it was purchased from Yuguang Co. Ltd., China.

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    2019-5-30 · Anionic polyacrylamide (APAM, 5 million molecular weight) 99% Polymer 3331 mPa·s Xanthan gum (XC) USP Polymer 9472 mPa·s Nonionic polyacrylamide (PAM, 5 million molecular weight) 99% Polymer 3922 mPa·s Polysorbate 80 (Tween 80) 40% Polymer 493 mPa·s Figure 1. Molecular structure of the surfactants. 2.3. Foaming Process

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    Polyacrylamide Anionic Water Soluble Polymers Of Acrylamide CAS 9003-05-8. Polyacrylamide Anionic Water - Soluble Polymer Of Acrylamide CAS No 9003-05-8 Description Polyacrylamide, simply called PAM, is a water-soluble flocculant polymer, available in anionic, cationic and nonionic for different Industries Application . Get Price

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    2003-3-6 · Nonionic Polyacrylamide on Hematite L. T. LEE I AND P. SOMASUNDARAN2 Columbia University. New York. New York 10027 Received October 18. 1989; accepted September 19. 1990 The effects of inorganic anions such as chloride, sulfate, and phosphate on the adsorption of non ionic polyacrylamide on hematite are studied.

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    2019-5-25 · In conclusion, the pore size and gel structure of polyacrylamide hydrogel membranes can be significantly increased using TERIC BL8 (nonionic) surfactant. This allows large-pore-size membranes with a high cross-link density and consequently high mechanical strength to be prepared for the separation of large biomolecules.

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    2019-12-12 · Simultaneous thermal analysis of cationic, nonionic and anionic polyacrylamide. Annett Steudel. Annett Steudel. Affiliations. Ruhr Universität Bochum (RUB), Chair of Soil Mechanics, Foundation Engineering and Environmental Geotechnics, Universitätsstraße 150, 44780, Bochum, Germany. Search for articles by this author.

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    2018-11-11 · The United Kingdom, and 4Drug Delivery Unit, School of Pharmacy, The University of Auckland, Auckland, New Zealand Abstract Non-ionic surfactant vesicles, simply known as niosomes are synthetic vesicles with potential technological applications. Niosomes have the same potential advantages of phospholipid

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    2021-6-4 · Nonionic Polyacrylamide Manufacturers, Factory, Suppliers From China, Warmly welcome to cooperate and develop with us! we will continue to provide …

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    2020-7-14 · Weight Nonionic Polyacrylamide and Polyethyleneimine mixtures for indepth Water Control in Mature Oilfields Yi Qin 1, Ruiquan Liao 2, Shunshe Luo 1,*, and Junliang Li 2 1 Hubei Cooperative Innovation Center of Unconventional Oil and Gas, Yangtze University, Wuhan, 430100, China; [email protected] (Y.Q.); [email protected] (S.L.)

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    2018-11-11 · The United Kingdom, and 4Drug Delivery Unit, School of Pharmacy, The University of Auckland, Auckland, New Zealand Abstract Non-ionic surfactant vesicles, simply known as niosomes are synthetic vesicles with potential technological applications. Niosomes have the same potential advantages of phospholipid

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    2021-2-18 · 2. Polyacrylamide series products synthesized by modern organic chemical methods. 3. It is made by grafting (or copolymerizing) natural raw materials and polyacrylamide. Organic polymer flocculants are divided into two categories: natural polymer and synthetic polymer. From the chemical structure, it can be divided into the following three types:

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    Water Treatment Chemicals Friday, June 17, 2011. polyacrylamide (PAM) copolymerized on cationic monomer and polyacrylamide cationic Characteristics: Cationic polyacrylamide is copolymerized on cationic monomer and polyacrylamide .It is one kind of high molecular weight of linear polymer. Its functions include decolou, adsorption ,cloud-removing.

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    2019-7-31 · F : FTIR of branched cationic polyacrylamide. e characteristic absorption peak of NH and NH 2 groups was seen with infrared spectroscopy, and the char-acteristic chemical shi of NH and NH 2 groups was seen using H NMR spectroscopy. e structure of the branched polyacrylamide was the same as initiallyexpected... Single-Factor Experiments.

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    2015-8-17 · 2. Chemical Structure Relevant data reveal that Surfactant-grafted Polyacrylamide (S-PAM) has a framework constituted by ordinary polyacrylamide hydrocarbon chains. The aqueous solution of S-PAM is provided with the physical and chemical properties of the polymer and surfactant, as well as the new properties which are absent in two agents. the

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    The Introduction of Nonionic Polyacrylamide Sinofloc. Non-ionic polyacrylamide is a water-soluble polymer or polyelectrolyte. Due to its molecular chain contains a certain number of polar groups, it can through the adsorption of solid particles suspended in water, make the bridge between particles or by charge neutralization condensed to

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    2020-2-12 · The study herein uses vibrational sum frequency (VSF) spectroscopy to elucidate the molecular details of nonionic polyacrylamide (PAM) adsorption to the oil/water interface in the presence of surfactant. The polymer’s adsorption and conformational structure at the interface is investigated as it interacts with cationic and anionic surfactants.

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    2020-9-18 · of nonionic polyacrylamide, the molecular chains induced increases in adsorption and bridging effects to help remove particles efficiently. The process of flocculation is of great importance since the flocs structure, size and shape are all related with flocculant

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    2021-4-9 · Polyacrylamide (PAM) is water soluble polymer chemical, has unique effect to increase the viscosity of water. or to promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid. According to the different ion characteristics, PAM has three types: Anionic PAM, Cationic PAM and Nonionic PAM.

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    2020-9-17 · Evaluation of High Molecular Weight Nonionic Polyacrylamide and Polyethyleneimine Mixtures for In-Depth Water Control in Mature Oilfields Yi Qin 1, Ruiquan Liao 2, Shunshe Luo 1,* and Junliang Li 2 1 Hubei Cooperative Innovation Center of Unconventional Oil and Gas, Yangtze University, Wuhan 430100, China; [email protected]

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    A delayed crosslinked polymer gel was developed for indepth water control in mature oilfields. The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time. The gelation performance of NPAM/PEI gel system can be adjusted by the variation of NPAM or PEI concentration, and a ...

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    2019-7-31 · F : FTIR of branched cationic polyacrylamide. e characteristic absorption peak of NH and NH 2 groups was seen with infrared spectroscopy, and the char-acteristic chemical shi of NH and NH 2 groups was seen using H NMR spectroscopy. e structure of the branched polyacrylamide was the same as initiallyexpected... Single-Factor Experiments.

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    2021-5-13 · PO Box 5965, Wellesley St, Auckland 1141, New Zealand Scott Laboratory Building – AUT University t: (+649) 921 9710 19 Mount St, Auckland, New Zealand www.GlycoNZ.com SPECIFICATION . Biotinylated polymeric probe (BP) Neu5Acα6`Lac-C2-PAA-biot . 6`-Sialyllactose polyacrylamide …

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    2019-5-26 · Herein, we prepared nonionic DN and triple network (TN) hydrogels based on polyacrylamide (PAAm) and poly ( N,N -dimethylacrylamide) (PDMA) with a high mechanical strength by sequential polymerization reactions. The TN approach is based on the decrease of the translational entropy of the second monomer upon its polymerization in the first ...

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    2015-8-17 · 2. Chemical Structure Relevant data reveal that Surfactant-grafted Polyacrylamide (S-PAM) has a framework constituted by ordinary polyacrylamide hydrocarbon chains. The aqueous solution of S-PAM is provided with the physical and chemical properties of the polymer and surfactant, as well as the new properties which are absent in two agents. the

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    Poly ( N -isopropylacrylamide), maleimide terminated. Synonyms: P (NIPAM)n-NH-maleimide, functionalized polyNIPAM, functionalized polyacrylamide, Polyacrylamide, polyNIPAM. Linear Formula: (C6H11NO)n SCH2CH2NH (CO)CH2CH2CH2(C4H2NO2) Product Number.

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    2018-2-12 · The role of plant endophytic Actinobacteria remains poorly understood with no reports of these communities in New Zealand native plants. This first investigation of endophytic Actinobacteria in New Zealand targeted the culturally significant medicinal shrub Pseudowintera colorata (horopito) as a model plant. Community analysis in plant tissues collected from ten geographically distinct sites ...

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    2016-1-2 · 1. Introduction. Recent developments in the use of organic agents for soil improvement have elicited promising results. Organic agents, including polymers, biopolymers, and surfactants, have shown to improve the shear strength, stiffness, soil remediation, and erosion resistance behaviors of geomaterials [1,2,3,4,5,6,7,8].Among them, biopolymers such as polyacrylamide (PAM) and Xanthan …

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    Biopolymers are viewed as effective and eco-friendly agents in soil modification. This study focuses on the wettability analysis of polyacrylamide (PAM) solutions for soil remediation. The contact angle, surface tension, and viscosity of PAM solutions were experimentally evaluated in air- and decane-biopolymer solution systems. Furthermore, a micromodel was used to investigate the pore-scale ...

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    2015-9-5 · A complete review of the records of plant virus, viroid, liberibacter and phytoplasma in New Zealand has found evidence for 220 viruses, seven viroids, two liberibacters and two phytoplasmas. Of these, 80 viruses, one viroid and two species of liberibacter have been reported as new to New Zealand since the last review in 2006. Ten viruses and two viroids, which were previously placed in the ...

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    What is claimed is: 1. A water-in-oil microemulsion, comprising: a polyacrylamide; a fatty acid comprising a tall oil fatty acid, oleic acid, or a combination of a tall oil fatty acid and oleic acid; a surfactant; an oil continuous phase; and an aqueous discontinuous phase in the oil continuous phase, wherein the water-in-oil microemulsion contains 6 to 48 parts by weight of the polyacrylamide ...

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    2020-11-10 · PO Box 5965, Wellesley St, Auckland 1141, New Zealand Scott Laboratory Building – AUT University t: (+649) 921 9710 19 Mount St, Auckland, New Zealand www.GlycoNZ.com SPECIFICATION . Unlabelled polyacrylamide conjugate (PA) Glcβ3GlcNAcβ-C3-PAA. Glcβ3GlcNAcβ polyacrylamide …

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    A project to systematically investigate respiratory supercomplexes in plant mitochondria was initiated. Mitochondrial fractions from Arabidopsis, potato (Solanum tuberosum), bean (Phaseolus vulgaris), and barley (Hordeum vulgare) were carefully treated with various concentrations of the nonionic detergents dodecylmaltoside, Triton X-100, or digitonin, and proteins were subsequently separated ...

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    Polyacrylamide can be synthesized in either a cationic, anionic, or nonionic form with a range of charge densities and molecular weights. These PAM characteristics can affect flocculation performance for fine suspended sediments (Laird 1997; Deng et al. 2006; Nasser and James 2006).

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    Polyacrylamide (PAM) is used at rates of 1 to 2 kg ha−1 per irrigation on a half million hectares of United States irrigated farmland to prevent 94% of irrigation-induced erosion and to enhance infiltration by 15% to 50% on medium to fine-textured soils. The polyacrylamides used for this application are large (12 to 15 megagrams per mole), water-soluble anion molecules applied in the ...

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    2021-6-23 · The global Anionic and Nonionic Surfactants market is segmented by company, region (country), by Type, and by Application. Players, stakeholders, and other participants in the global Anionic and Nonionic Surfactants market will be able to gain the …

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    A 2020, 8, 5943-5951. (5) Zhang, J.; Wang, L.; Liu, S.; Li, Z. 'Phosphazene/Lewis Acids as Highly Efficient Cooperative Catalyst for Synthesis of High-Molecular-Weight Polyesters by Ring-Opening Alternating Copolymerization of Epoxide and Anhydride', Journal of Polymer Science 2020, 58, 803-810.

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    nonionic pam water treatment nonionic polyacrylamide npam. Nonionic PAM Water Treatment Nonionic Polyacrylamide NPAM . Nonionic polymers for mineral dressing NPAM. This product is a water- soluble high polymer.It’s not soluble in most organic solvents, with good flocculating activity, and can reduce the friction resistance between liquid. Get ...

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    2017-3-22 · Polyacrylamide (PAM) can stabilize soil structure but does not remediate poor soil structure. In the arid and Mediterranean climates of the world, PAM is being used quite effectively to stabilize soil structure, which leads to increased infiltration, reduction in water use, and reduced erosion on furrow irrigated fields (Lentz and Sojka, 1994;

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    Nonionic Polyacrylamide Flocculant . In addition, non-ionic polyacrylamide in other building materials, because of its ultra-high viscosity and its special molecular structure, has good water retention effect. The most common use is as a thickening agent for putty powder, Get Price. Free Inquiry

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    Potassium polyacrylamide is a white or light yellow powder. It is co-polymerized by many unsaturated monomers and retards shale hydration and dispersion. CAS No.: 25608-12-2. Molecular Formula: (C 3 H 6 O 2) n ·(C 3 H 5 KO 2) m. Structure Formula: Specifications:

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    ANIONIC POLYACRYLAMIDE (PAM) APPLICATION (Ac.) CODE 450 . DEFINITION . Application of water-soluble Anionic Polyacrylamide (PAM) to meet a resource concern. PUR

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    Second, MAA was selectively polymerized on the surfaces of the PMMA nanoparticles with the help of the nonionic surfactant Tween 20, resulting in PMAA nano-hydrogels with cores of PMMA and cross-linked shells of PMAA. The core–shell structure of the PMAA nano-hydrogels was …

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    Polyacrylamide (PAM) is used at rates of 1 to 2 kg ha−1 per irrigation on a half million hectares of United States irrigated farmland to prevent 94% of irrigation-induced erosion and to enhance infiltration by 15% to 50% on medium to fine-textured soils. The polyacrylamides used for this application are large (12 to 15 megagrams per mole), water-soluble anion molecules applied in the ...

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    Nonionic associative thickeners suitable for use in aqueous coating compositions comprise an aqueous solution polymer of (a) from about 40 percent to about 98 percent, preferably from 60 to 95 percent, by weight of a monoethylenically unsaturated monomer such as acrylamide, N,N-dimethyl acrylamide, vinyl pyrrolidone, hydroxyethyl acrylate and mixtures thereof; and (b) from about 2 percent to ...

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    New Zealand (English) Philippines (English ... Nonionic Surfactants [for Biochemistry] [Life Science] Filter. Price. ... Subscribe above to receive our eNews, featuring scientific research, new products, and exclusive promotions. You can easily unsubscribe at any time. Sign up today!

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    Polyacrylamide, 50 Percent Aqueous Solution, also called poly (1-carbamoylethylene), is a polymer formed from acrylamide subunits used to flocculate solids in a liquid. Spectrum solutions utilize the highest quality raw materials appropri. Pricing & More Info.

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    2016-3-23 · Polyacrylamide Gel Electrophoresis ... N,N’-Diallyltartardiamide is an allylic cross-linker whose 1,2-diol structure can be oxidized with 2% periodic acid, which solubilizes the gel and allows sample recovery. ... J61055 IGEPAL® CA-630 A nonionic detergent chemically equivalent to Nonidet P-40®. Useful for solubilizing membrane proteins.

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    2016-7-22 · Polyacrylamide gel electrophoresis Polyacrylamide gels are typically formed by polymerization of the monomer acrylamide crosslinked to the co-monomer, N,N’-methylenebis-acrylamide, commonly called BIS. This process is a free-radical polymerization that requires an initiator, usually ammonium persulfate, and a

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  • Efficient and “green” fabrication of pH-responsive poly ...

    Second, MAA was selectively polymerized on the surfaces of the PMMA nanoparticles with the help of the nonionic surfactant Tween 20, resulting in PMAA nano-hydrogels with cores of PMMA and cross-linked shells of PMAA. The core–shell structure of the PMAA nano-hydrogels was …

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  • Scanning Electron Micrographs of Polyacrylamide

    2021-6-23 · Scanning Electron Micrographs of Polyacrylamide-Treated Soil in Irrigation Furrows C.W. Ross 1, R.E. Sojka 2 and J.A. Foerster 2. 1 Manaaki Whenua, Landcare Research, New Zealand Limited, Palmerston North, New Zealand 2 USDA, Agricultural Research Service, Northwest Irrigation and Soils Research Laboratory, Kimberly, Idaho. Introduction

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  • Mining Reagents - Orica

    0800 734 607 within New Zealand (free call) +613 9663 2130 overseas Product Range ... Polyacrylamide Flocculants Range of nonionic, anionic and cationic polymers for thickening applications Polyaluminium Chloride Inorganic flocculant for high turbidity water treatment reFining

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  • POLY 2021 Spring Excellence in Graduate Polymer

    Excellence in Graduate Polymer Research. Presented at the Spring 2021 National ACS Virtual Meeting, April 12, 13, and 15, 2021. Organized by POLY (H. N. Cheng, Christopher Ellison, Christine Coltrain, and Timothy Long) . View student submissions from the Excellence in Graduate Polymer Research Symposium below. Student Submissions.

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  • Fabrication and Application of Cationic Polyacrylamide

    Cationic polyacrylamide (CPAM) was prepared in aqueous solution by free radical polymerization of methacryloyloxy ethyl trimethylammonium chloride (DMC) and acrylamide (AM). A redox initiator system was used. The structure of CPAM was characterized by IR and 1 H NMR. The intrinsic viscosity and cationicity of CPAM were measured by an Ubbelohde viscometer and titration experiments, …

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  • Application of Polyacrylamide in construction industry

    2019-11-9 · Application of Polyacrylamide in construction industry:. Mud treatment: A large amount of mud will be produced in construction piling and tunnel caves, and the suspension liquid containing a large number of fine mud particles in the mud will be used as mud water separator in infrastructure construction to improve the flocculation and sedimentation effect and better promote the mud water separation

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  • Running agarose and polyacrylamide gels

    2011-6-17 · The basics. Agarose gels can be used to resolve large fragments of DNA. Polyacrylamide gels are used to separate shorter nucleic acids, generally in the range of 1−1000 base pairs, based on the concentration used (Figure 1). These gels can be run with or without a denaturant. Gels that are run without a denaturant are referred to as native gels.

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