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2020-8-31 · Polyacrylamide, Mv 6,000,000 (9003-05-8) Listed on the United States TSCA (Toxic Substances Control Act) inventory EPA TSCA Regulatory Flag XU - XU - indicates a substance exempt from reporting under the Inventory Update Reporting Rule, i.e, Partial Updating of the TSCA Inventory Data Base Production and Site Reports (40 CFR 710(C)).
Get Price2021-6-26 · This study summarizes the main parameters acting on the stability of hydrolyzed polyacrylamides in brines containing divalent ions. For dilute solutions the critical hydrolysis degree (CHD) above which the polymer may be precipitated by Ca ions is 35% at room temperature and 33% at 80/sup 0/C.
Get PricePolyacrylamide; Acrylamide resin; Acrylamide gel solution; Polyacrylamide,hydrolyzed; PAM; Polyacrylamide dry powder,cationic; yacrylamide dry powder,non-ionic; Cationic Polyacrylamide; anionic polyacrylamide; non-ionic polyacrylamide: CAS RN.: 9003-05-8: EINECS: 201-173-7: Molecular Weight: 71.0785: Molecular Formula: (C 3 H 5 NO)n: Density: 1.3: Water Solubility:
Get Price2018-9-7 · Full size table. The molecular weight (MW) of commercial PAM ranges from 10 5 to >10 7 Da. High MW PAM (>10 6 Da) has a wider range of …
Get PriceThe term 'partially hydrolyzed polyacrylamide having a high molecular weight and high or good water solubility' as used in this specification means a polyacrylamide having a molecular weight higher than about 5,000,000 up to about 12,000,000 in which the hydrolysis percentage ranges from about 5 mol percent to about 50 mol percent with a viscosity ranging from about 100 to …
Get PriceWater solubility 2150 g/l at 30 °C 1.3 Major uses Most of the acrylamide produced is used as a chemical intermediate or as a monomer in the production of polyacrylamide. Both acrylamide and polyacrylamide are used mainly in the production of flocculants for the clarification of …
Get PricePolyacrylamide (PAM) is a general designation of acrylamide polymer or polymer with other monomers. The has good thermal stability. Because of the structural elements that contain polar groups, it is easy to form hydrogen bonds, so that it has good water solubility and …
Get PriceThe study and production of polyacrylamide began in the 1960s, production process mainly uses the traditional aqueous solution polymerization, colloidal mining 8 -- 10%AM aqueous solution and in initiating agent under the action of direct polymerization, dry powder with 20 - polymerization concentration 30%AM aqueous solution, colloid aggregation after granulation, kneading, drying, …
Get PriceAnionic polyacrylamide amine has high water solubility and highmolecular chain viscosity, which can improve the mobility ratio of displacementfluid... 01,2021 Coalwashing polyacrylamide washing is a kind of industrial polyacrylamide.
Get PriceUnited States polyacrylamide Suppliers & Manufacturers , include Western Excelsior Corp. , BOC Sciences , Cross Border Management , Fischbach; and more LLC , , , , , .
Get Price2021-7-4 · Water solubility 371 g/L at 20°C Vapor pressure 7 × 10–3 mm Hg at 25°C ... including 4 in the United States (SRI 2009), and was available from 55 suppliers, including 28 ... and textiles resulting from the use of polyacrylamide in these products (Manson et al. 2005). Acrylamide …
Get PriceInformation for Polyacrylamide 9003-05-8 including Polyacrylamide CAS NO 9003-05-8, United Polyacrylamide Suppliers, United Polyacrylamide Manufacturers, related products of Polyacrylamide.
Get PriceAt present, the major countries in Europe and the United States, drinking water treatment and food with PAM AM content in the following 0.05%, and control the amount of PAM. Recently, the application of polyacrylamide organic product as water treatment agent will be expanded with the increase of water quality and water demand.
Get PriceDetermination of acrylamide monomer in mushrooms grown on polyacrylamide gel Data provider: ... The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. ... due perhaps to a high water solubility …
Get PriceHydrogels are polymeric networks those imbibe large quantity of water without dissolving themselves. Hydrogels contain water solubility groups such as –OH, -COOH, -NH2, -CONH2, andSO3H. Polyacrylamide hydrogel is widely used in ophthalmic operations, drug treatment, food packaging products, and water purification.This review describes the various methods of synthesis of polyacrylamide …
Get Price2016-12-1 · Next, according to the China national standard GB-T12005. 1–89, the dilution method was applied in order to determinate the intrinsic viscosity of polyacrylamide in the polymer solutions, and the acrylamide polymer molecular weight of degradation was calculated at 0 h (i.e., without the addition of acid), 1 h, 10 h, and 100 h.
Get Price2021-7-4 · Water solubility 371 g/L at 20°C Vapor pressure 7 × 10–3 mm Hg at 25°C ... including 4 in the United States (SRI 2009), and was available from 55 suppliers, including 28 ... and textiles resulting from the use of polyacrylamide in these products (Manson et al. 2005). Acrylamide …
Get PriceUnited States polyacrylamide Suppliers & Manufacturers , include Western Excelsior Corp. , BOC Sciences , Cross Border Management , Fischbach; and more LLC , , , , , .
Get PriceHydrogels are polymeric networks those imbibe large quantity of water without dissolving themselves. Hydrogels contain water solubility groups such as –OH, -COOH, -NH2, -CONH2, andSO3H. Polyacrylamide hydrogel is widely used in ophthalmic operations, drug treatment, food packaging products, and water purification.This review describes the various methods of synthesis of polyacrylamide …
Get Price2019-11-2 · Identification of United States Barley Cultivars by Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis of Hordeins' SCOTT E. HEISEL,2 DAVID M. PETERSON,2'3 and BERNE L. JONES2'3 ABSTRACT Cereal Chem. 63(6):500-505 The possibility of identifying United States barley cultivars by the solubilization.
Get PriceUnited States Prior art keywords weight polyacrylamide composition water viscosity Prior art date 1995-08-14 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US09 ...
Get PriceUnited States Patent 5401333 ... Because of the high solubility and the strongly oxidizing character of hexavalent chromium ions, conventional chromate conversion coating processes require extensive waste treatment procedures to control their discharge. ... The preferred polyacrylamide treatment concentrate comprises 1% anionic polyacrylamide ...
Get Price2010-10-22 · OBJECTIVE To evaluate the safety and efficacy of a 2.5% polyacrylamide hydrogel in the aesthetic enhancement of nasolabial folds. METHODS AND MATERIALS The safety and efficacy of a polyacrylamide hydrogel were compared with those of nonanimal stabilized hyaluronic acid (NASHA) in 315 subjects in a double‐blind, randomized, multicenter, noninferiority trial with a …
Get PricePolyacrylamide PAM, with the chemical formula of (C3H5NO)n and the CAS NO. of 9003-05-8, is a linear polymer. Polyacrylamide polymer has good thermal stability, can be dissolved in water in any proportion, and the aqueous solution is a uniform and transparent liquid. PAM is one of the most widely used water-soluble polymers.
Get PriceLandscaping Uses of Cross-linked Polyacrylamide in the Western United States. 'Xeriscape-related applications for cross-linked polyacrylamide, a water-absorbing polymer with a proven lifespan of six years and the capability of absorbing up to 400 times its weight in deionized water.' more; Polyacrylamide Gel and Compost.
Get Price2015-9-10 · Polyacrylamide belongs to a highly versatile group of polymers that can find use in a wide range of applications including wastewater treatment,1 oil recovery,2,3 soil conditioning, agriculture,4 biochemistry, and biomedical applications5,6 and even as a subdermal filler for aesthetic surgical procedures.7
Get Price2017-10-20 · Cationic polyacrylamide flocculant has been widely used in sludge dewatering, industrial wastewater treatment and municipal wastewater treatment. At present, the use of cationic polyacrylamide flocculant in the United States, Japan and European countries has occupied 75% ~ 80% of the total amount of flocculant.
Get PricePolyacrylamide emulsion is prepared by dispersion or inverse emulsion polymerization, which is a form of polyacrylamide liquid present. Besides the characteristics of solid polyacrylamide flocculants, through the molecular chain of polar groups to adsorb suspended solids in the water particles, the emulsion could formats the large flocs through bridge between the particles or …
Get Price2017-8-27 · molecular weight anionic polyacrylamide and achieve high conversion rates during polymerization, and the anionic polyacrylamide has good solubility. But it will result in secondary pollution to the environment as it has organic solvents and emulsifi ers added in the reaction system. Dispersion polymerization can be defined as a special
Get PriceUnited States Patent 4105824 . Abstract: Adhesive composition comprising starch, dextrine and a polyacrylamide. ... said dextrine having a cold water solubility of at least 90% (77° F) and being employed in amounts such that a final dry adhesive will have a dextrine content between about 15 and 40% dry weight, said polyacrylamide having an ...
Get Price2010-10-22 · OBJECTIVE To evaluate the safety and efficacy of a 2.5% polyacrylamide hydrogel in the aesthetic enhancement of nasolabial folds. METHODS AND MATERIALS The safety and efficacy of a polyacrylamide hydrogel were compared with those of nonanimal stabilized hyaluronic acid (NASHA) in 315 subjects in a double‐blind, randomized, multicenter, noninferiority trial with a …
Get PriceUnited States Globally. Showing 1-30 of 43 results for 'polyacrylamide' Advanced Search. Structure Search. Relevance. Compare. Polyacrylamide. Polyacrylamide. CAS ... functionalized polyNIPAM, functionalized polyacrylamide, Polyacrylamide, NIPAM polymer, polyNIPAM. Linear Formula: (C 6 H 11 NO) n SCH 2 CH 2 CO 2 H. Product Number Product ...
Get PriceLandscaping Uses of Cross-linked Polyacrylamide in the Western United States. 'Xeriscape-related applications for cross-linked polyacrylamide, a water-absorbing polymer with a proven lifespan of six years and the capability of absorbing up to 400 times its weight in deionized water.' more; Polyacrylamide Gel and Compost.
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Get Price2012-12-12 · water. Polyacrylamide has been studied extensively for use in furrow irrigation (Lentz et al., 1992; Lentz and Sojka, 1994;Trout et al, 1995; Sojka et al., 1998; Lentz and Sojka, 2000),and this technology is now being used throughout regions of the western United States and elsewhere. Research studies have also examined the potential for use of PAM
Get Price2018-6-28 · in lapan, three each in Mexico and the USA, two in the United Kingdom and one each in Brazil, China, the Netherlands and Switzerland (Chemical Information Services Ltd, 1991). 1.2.2 Use Acrylamide is a vinyl monomer which improves the aqueous solubility, adhesion and cross-linking of polymers. Water-soluble polyacrylamides are the largest ...
Get Price2017-5-4 · Polyacrylamide (PAM) is a long chain, linear, water soluble polymeric substance formed from acrylamide (C 3 H 5 NO) subunits, has a high molecular weight of typically from few 1000 to 20 × 10 6 g/mol, and has a very high viscosity in aqueous solutions, depending on the concentration and the degree of polymerization (Sojka et al. 2007).All those qualities make PAM an excellent …
Get Price2019-12-12 · We describe here the development of multifunctional nanocarriers, based on amine-functionalized biodegradable polyacrylamide nanoparticles (NPs), for cancer theranostics, including active tumor targeting, fluorescence imaging, and photodynamic therapy. The structural design involves adding primary amino groups and biodegradable cross-linkers during the NP …
Get Price2021-6-27 · 0.05% (weight/weight) when polyacrylamide is added to drinking water at a concentration of 1 ppm (1 mg/L) to remove particulate contami-nants. According to the Toxics Release Inven-tory database, 8.7 million pounds of acrylamide were released into the environment from United States manufacturing and processing facilities in 2000.
Get PriceCurrent studies showed that UV LED system is a green technology and highly efficient as compared to UV Mercury (UV Hg) system. In this study, the UV LED curing formulations of polyacrylamide (PAAm) hydrogels were developed. The formulations consisted of acrylamide (AAm) as a main monomer, N,N’-methylenebisacrylamide as a crosslinker and photoinitiator.
Get Price2016-11-9 · To promote the application of polyacrylamide (PAM) in carbon dioxide flooding to enhance oil recovery, the solubility of PAM with different molecular weight (5 million, 7 million, 14 million, g·mol–1) was measured using dynamic method in supercritical carbon dioxide (SCCO2) at temperatures of 313, 323, and 333 K and pressures from 9.0 to 18.0 MPa.
Get PriceAnionic polyacrylamide with high molecular weight and good solubility property can be an important kind of flocculants. And it has been widely used in water treatment because of good flocculation performance . Generally, molecular weight of polysaccharide polymer is determined by …
Get PriceRecover the polymer by centrifugation, and dissolve the pellet in 10 mM Tris-HCl (pH 8.0), 1 mM EDTA to make a final polyacrylamide concentration of 5 mg/ml. The linear polyacrylamide solution can be stored in the refrigerator for several years. Add 10-20 micrograms of the linear polyacrylamide into nucleic acid solution before ethanol ...
Get Price2018-6-28 · in lapan, three each in Mexico and the USA, two in the United Kingdom and one each in Brazil, China, the Netherlands and Switzerland (Chemical Information Services Ltd, 1991). 1.2.2 Use Acrylamide is a vinyl monomer which improves the aqueous solubility, adhesion and cross-linking of polymers. Water-soluble polyacrylamides are the largest ...
Get Pricepolyacrylamide, an acrylic resin that has the unique property of being soluble in water. It is employed in the treatment of industrial and municipal wastewater. Polyacrylamides are produced by the polymerization of acrylamide (C3H5NO), a compound obtained by the hydration of acrylonitrile.
Get PriceCurrent studies showed that UV LED system is a green technology and highly efficient as compared to UV Mercury (UV Hg) system. In this study, the UV LED curing formulations of polyacrylamide (PAAm) hydrogels were developed. The formulations consisted of acrylamide (AAm) as a main monomer, N,N’-methylenebisacrylamide as a crosslinker and photoinitiator.
Get Price2017-5-4 · Polyacrylamide (PAM) is a long chain, linear, water soluble polymeric substance formed from acrylamide (C 3 H 5 NO) subunits, has a high molecular weight of typically from few 1000 to 20 × 10 6 g/mol, and has a very high viscosity in aqueous solutions, depending on the concentration and the degree of polymerization (Sojka et al. 2007).All those qualities make PAM an excellent …
Get PriceSolubility and composition of sodium polyacrylate Sodium polyacrylate is the water-soluble macromolecular compound, dissolves in water to form highly viscous transparent solution.The use and role of the flocculant: composite flocculants by two agents of calcium oxide and anionic polyacrylamide.When used in the first two agents dubbed the 5-10% ...
Get PriceSolubility study of polyacrylamide in polar solvents - Wu - 2004 - Journal of Applied Polymer Science - Wiley Online Library. According to Van Oss, Chaudhury, and Good (VCG) theory, the surface tension components were used to calculate the PAM solubility in five different polar solvents: water, ethylene glycol (EG), acetone, ethanol, and dimethyl formamide (DMF).
Get PriceLandscaping Uses of Cross-linked Polyacrylamide in the Western United States. 'Xeriscape-related applications for cross-linked polyacrylamide, a water-absorbing polymer with a proven lifespan of six years and the capability of absorbing up to 400 times its weight in deionized water.' more; Polyacrylamide Gel and Compost.
Get PriceFind out the latest United States polyacrylamide buyers. Send Inquiry. Anionic Polyacrylamide Suppliers go4WorldBusiness. Anionic Polyacrylamide: It is the white powder. The APAM with the molecular weight of 4,000,000-26,000,000 has good water solubility, and …
Get PriceA factory directly 2017 hot exporting good solubility polyacrylamide polymers for United Arab Emirates . Buy Cheap Polymer Rubber Gel from Global Polymer Rubber. Alibaba offers 836 polymer rubber gel products. About 1% of these are bottles. A wide variety of polymer rubber gel options are available to you, such as construction, coating ...
Get Price2012-11-28 · New glycoconjugate polyacrylamide with water-solubility and additional activated groups: synthesis and characterization 来源： 张新歌副教授个人网站 发布日期：2012-11-28 作者：Dayong Teng, Weibin Yin, Xinge Zhang*, Zhen Wang, Chaoxing Li*.
Get Price2021-6-23 · Ciba's epoxy business was spun off as Vantico in the late 1990s, which was subsequently sold in 2003 and became the Advanced Materials business unit of Huntsman Corporation of the United States. In 1946, Sylvan Greenlee, working for the Devoe & Raynolds Company, patented resin derived from bisphenol-A and epichlorohydrin.
Get Price2016-10-18 · BMP C126: Polyacrylamide (PAM) for Soil Erosion Protection. Purpose Polyacrylamide (PAM) is used on construction sites to prevent soil erosion. ... PAM has infinite solubility in water, but dissolves very slowly. ... a value of 18 percent is typical. Studies conducted by the United States Department of Agriculture (USDA)/ARS demonstrated that ...
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Get Price2017-5-8 · POLYACRYLAMIDE GEL Delete the following: ELECTROPHORESIS DENATURING POLYACRYLAMIDE GEL ELECTROPHORESIS The method cited as an example is limited to the analysis of monomeric polypeptides with a mass range of Delete the following: 14,000–100,000 Da. It is possible to extend this mass range by various techniques (e.g., gradient gels and partic-
Get PriceEgg yolk powder (EYP) is widely used in food processing due to its excellent emulsifying properties, but its poor solubility limits its market application as a powdered beverage. In this study, papain, trypsin, and subtilisin were used to hydrolyze egg yolk, and the effects of enzymatic hydrolysis on the solubility of EYP was investigated.
Get PriceSolubility study of polyacrylamide in polar solvents. Solubility study of polyacrylamide in polar solvents Article in Journal of Applied Polymer Science 93(3):1493 1499 · August 2004 with 2,475 Reads DOI: 10.1002/app.20608. Best Price Of Polyacrylamide, Wholesale & Suppliers Alibaba. Alibaba offers 1,430 best price of polyacrylamide products.
Get Price2018-5-7 · • Water-solubility of organic aerosols from different sources is different – possible to understand the sources of atmospheric OA from the perspective of water-solubility. ... Contrasting Rural and Urban Environments in the Southeastern United States, Environ. Sci. Technol., 51, 78-88,
Get PricePolyacrylamide(PAM) 9003-05-8 direct manufacturer by BaiFuChem in China. Min.Order: 1 Kilogram FOB Price: USD 1.5-1.5/Kilogram 1.Anionic polyacrylamide (APAM) 1). Used for industrial wastewater treatment, especially for suspended particles, coarser, high-concentration, positively charged particles, and the pH of the water is neutral and alkaline, such as iron and steel
Get PriceAsian Drill Chem Solutions - Offering Polyacrylamide Powder Chemical, 9003-05-8, पॉलीएक्रिलएमाइड at Rs 150/kg in Ahmedabad, Gujarat ...
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Get PriceRedox-controlled ‘smart’ polyacrylamide solubility† Hui Fu , Danielle M. Policarpio , James D. Batteas * and David E. Bergbreiter * Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842-3012, USA.
Get Price2017-7-21 · Polyacrylamide Mulch . Design Specifications PAM may be applied in dissolved form with water, or it may be applied in dry, granular, or powered form. The preferred application method is the dissolved form. PAM is to be applied at a maximum rate of ½ pound PAM per 1000 gallons water per 1 acre of bare soil.
Get Price2021-6-3 · Anionic Polyacrylamide is produced when acrylamide is polymerized with an anionic comonomer. Water soluble Polyacrylamide have been used for decades to facilitate solidliquid separations in wastewater and drinking water treatment, the pulp and paper industry, aquaculture, and many other industrial processes.
Get Price2013-8-8 · A Guide to Using Polyacrylamide (PAM) Polymers for Control of Irrigation Run-off on the Central Coast Michael Cahn, Irrigation and Water Resources Advisor, Monterey County Introduction Federal and state water quality regulations require that growers implement management practices to minimize impairments to surface and ground water quality.
Get Price2010-11-20 · Polyacrylamide (PAM) has been sold in the United States since 1995 for reducing irrigation-induced erosion and enhancing infiltration. PAM's soil stabilizing and flocculating properties have also substantially improved runoff water quality by reducing sediments, N, ortho and total P, COD, pesticides, weed seeds, and microorganisms in runoff.
Get PriceA comprehensive study of the chemical stability of polyacrylamide (PAA) polymers was conducted. The primary emphasis of the study was to determine the stability of Dow Pusher TM 500 PAA in Sundance brine a 115 deg. 17 (46 deg. C).
Get Price2021-7-6 · Acrylamide is a chemical used primarily to make substances called polyacrylamide and acrylamide copolymers. Polyacrylamide and acrylamide copolymers are used in many industrial processes, such as the production of paper, dyes, and plastics, and in the treatment of drinking water and wastewater, including sewage.
Get Price2021-5-22 · Polyacrylamide-Weifang Starwin New Materials Company. Polyacrylamide (PAM) is a high molecular polymer, which has good solubility in water, and good flocculability. It can reduce the friction between fluids. According to the ion properties, polyacrylamide could be characterized as 4 types—anionic . Get Price
Get PriceSDS-Polyacrylamide Gel Electrophoresis as it appears in the Japanese Pharmacopoeia Fifteenth Edition (March 31, 2006, The Ministry of Health, Labour and Welfare Ministerial Notification No. 285). 5.2.3 United States Pharmacopeia (USP): <1056> Biotechnology-derived Articles – Polyacrylamide Gel Electrophoresis official in USP 32, May 1, 2009.
Get Price2015-8-15 · SIX-MONTH IMPLEMENTATION GUIDELINE The United States Pharmacopeia-National Formulary and its supplements become official six months after being released to the public. The USP-NF, whicn is released on November 1 of each year, becomes official on May 1 of the following year. This six-month implementation timing gives users more time to bring their methods and …
Get Price2016-11-30 · The wastewater treatment and oil and gas recovering industries holds major share in the usage of water soluble polymers in the United States. Moreover, different types …
Get Price2018-10-8 · SDS-Polyacrylamide Gel Electrophoresis, and USP <1056> Biotechnology-derived Articles – Polyacrylamide Gel Electrophoresis, can be used as ... (5.2.3) United States …
Get Price2020-2-21 · sustainability Article E ectiveness of Polyacrylamide in Reducing Runo and Soil Loss under Consecutive Rainfall Storms Birhanu Kebede 1,2,*, Atsushi Tsunekawa 3, Nigussie Haregeweyn 4, Amrakh I. Mamedov 3, Mitsuru Tsubo 3, Ayele Almaw Fenta 3, Derege Tsegaye Meshesha 5, Tsugiyuki Masunaga 6, Enyew Adgo 5, Getu Abebe 1 and Mulatu Liyew Berihun 1,2 1 The United …
Get PriceThe United States Pharmacopeia Angela G. Long, M.S. Senior Vice President, Global Alliances and Organizational Affairs Roger L. Williams, M.D. CEO and Chair, Council of Experts INTERNATIONAL MEETING OF WORLD PHARMACOPOEIAS 29 February to 2 March 2012
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Get Price2021-6-24 · BASF Sokalan® Acrylic Polymers. Sokalan® offers great dispersing properties and is compatible with inorganic and organic solids. Sokalan offers grades for soil anti-redeposition, scale encrustation inhibition and rinse aids to remove dull spots and streaks. Read Article. View All Sokalan® Acrylic Polymers Resources.
Get Price2017-5-8 · United States Pharmacopeia (USP) and the National Formulary An official article is an article that is recognized in USP or (NF). NF. An article is deemed to be recognized and included in a Requirements stated in these General Notices apply to all compendium when a monograph for the article is published
Get Price2011-12-3 · The solubility of the main component is obtained by ex-possible, would be advantageous. tending the solubility line (BC) through the y-axis. The pointWith this goal in mind, the most frequently used methods of interception on the y-axis is the extrapolated solubility, inare discussed below. Important experimental considerations
Get Price2015-8-15 · SIX-MONTH IMPLEMENTATION GUIDELINE The United States Pharmacopeia-National Formulary and its supplements become official six months after being released to the public. The USP-NF, whicn is released on November 1 of each year, becomes official on May 1 of the following year. This six-month implementation timing gives users more time to bring their methods and …
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