Добірка наукової літератури з теми "Film-forming system"
Оформте джерело за APA, MLA, Chicago, Harvard та іншими стилями
Ознайомтеся зі списками актуальних статей, книг, дисертацій, тез та інших наукових джерел на тему "Film-forming system".
Біля кожної праці в переліку літератури доступна кнопка «Додати до бібліографії». Скористайтеся нею – і ми автоматично оформимо бібліографічне посилання на обрану працю в потрібному вам стилі цитування: APA, MLA, «Гарвард», «Чикаго», «Ванкувер» тощо.
Також ви можете завантажити повний текст наукової публікації у форматі «.pdf» та прочитати онлайн анотацію до роботи, якщо відповідні параметри наявні в метаданих.
Статті в журналах з теми "Film-forming system"
1
Xue, Fei, Yun Sheng Jiang, Yu Chen Han, and Chun Jing Wang. "Membrane System Processes of Edible Gelatin Film." Applied Mechanics and Materials 364 (August 2013): 804–8. http://dx.doi.org/10.4028/www.scientific.net/amm.364.804.
Повний текст джерелаАнотація:
Using food grade gelatin as a substrate in combination with edible film-forming agent, it can be made ;the edible film which thickness is about 0.16mm is homogeneous, transparent, and have a certain strength . Experiments explore the preferred film-forming process of the gelatin film, through the comprehensive consideration of several aspects from hygroscopicity, transparency, mechanical properties, determination of the best film-forming solution pH of about 7, with temperature of 55 ° C ,drying out for around 9h.After 10h post treatment of drying,the best integrity of membrane can be obtained.
2
Nigam, Parul, Ajay K Gupta, and Akhilesh Vats. "Film forming transemulgel- A novel drug delivery system." IP International Journal of Comprehensive and Advanced Pharmacology 5, no. 3 (October 15, 2020): 100–104. http://dx.doi.org/10.18231/j.ijcaap.2020.022.
Повний текст джерела
3
Bornare, Swapnil S., Smita S. Aher, and Ravindranath B. Saudagar. "A REVIEW: FILM FORMING GEL NOVEL DRUG DELIVERY SYSTEM." International Journal of Current Pharmaceutical Research 10, no. 2 (March 15, 2018): 25. http://dx.doi.org/10.22159/ijcpr.2018v10i2.25886.
Повний текст джерелаАнотація:
Film forming gels are a novel approach in this area that might present an alternative to the conventional dosage forms used on the skin, such as ointments, creams, gels or patches. The polymeric solution is applied to the skin as a liquid and forms an almost invisible film in situ by solvent evaporation. Transdermal drug delivery system (TDDS) and dermal drug delivery system can provide some desirable performances over conventional pharmaceutical dosage formulations, such as avoiding gut and hepatic first-pass metabolism, improving drug bioavailability, reducing dose frequency and stabilizing drug delivery profiles. The aim of this review was to search for alternatives to the conventional forms in order to reduce skin irritation, improve skin adhesion properties, enhance the drug release and increase the patient acceptability from an aesthetic perspective. Because of their peculiar rheological behaviour, polymeric gels are beneficial in terms of ease of preparation, ease of application, adhesion to the application surface and ability to deliver a wide variety of drugs.
4
Kolotayev, Vladimir Alexeyevich. "Film Art in the System of Forming a Stage Identity Model." Journal of Flm Arts and Film Studies 2, no. 3 (October 15, 2010): 6–29. http://dx.doi.org/10.17816/vgik236-29.
Повний текст джерелаАнотація:
The article examines the processes of forming stage identity models in the artistic space of cinema that possesses a modeling function, the ability to create new identity types, to influence the formation of a personality and change social relations. A screen art work both reflects the inner identity changes and offers the culture subjects some plausible behavior models for self-identifying in everyday life. By analyzing a number of ilms the author singles out four stages of identity development and deines their main characteristics. The structure and process of identity formation are treated as the result of interaction with culture. The configuration of identity depends on the prevalent cultural system. The notions "Culture 1" and "Culture 2" are revised and such concepts as "product culture" and "conlict culture" are introduced.
5
Biehl, Saskia, Sebastian Staufenbiel, Frank Hauschild, and André Albert. "Novel measurement and monitoring system for forming processes based on piezoresistive thin film systems." Microsystem Technologies 16, no. 5 (March 13, 2010): 879–83. http://dx.doi.org/10.1007/s00542-010-1058-0.
Повний текст джерела
6
Kis, Nikolett, Anita Kovács, Mária Budai-Szűcs, Attila Gácsi, Erzsébet Csányi, Ildikó Csóka, and Szilvia Berkó. "Investigation of Silicone-Containing Semisolid in Situ Film-Forming Systems Using QbD Tools." Pharmaceutics 11, no. 12 (December 7, 2019): 660. http://dx.doi.org/10.3390/pharmaceutics11120660.
Повний текст джерелаАнотація:
The aim of our research work was to develop dermally applicable, semisolid film-forming systems (FFSs) containing silicones, which form a film on the skin in situ, with suitable mechanical properties for skin application. FFSs were developed and investigated by means of the Quality by Design (QbD) methodology. With this QbD approach, the initial risk assessment defines the critical quality attributes (CQAs), the critical material attributes (CMAs) and the critical process parameters (CPPs) to ensure the required quality. Different semisolid systems were formed with or without silicones. During the initial risk assessment, three CQAs, namely skin adhesion, film flexibility and burst strength, were found to be critical attributes, while film appearance, film integrity and the drying time of the semisolid system, were found to be medium attributes. These parameters were investigated. The initial risk assessment also showed that there are three high CMAs: the type of silicones, film-forming excipients, drying excipients, and that there was one medium CMA: viscosity-enhancing excipients. Based on our results, the silicone content had a great effect on the film-forming systems. Different silicones affected the mechanical properties of the films in varying ways, decreased the drying time and showed promising results regarding the drying mechanism.
7
Gots, V. І., О. V. Lastivka, О. О. Tomin, and V. S. Mehet. "FORMATION OF POWDER COATING PROPERTIES IN THE SYSTEM "FILM-FORMING ‒ CROSS-LINKING AGENT"." Bulletin of Odessa State Academy of Civil Engineering and Architecture, no. 87 (June 3, 2022): 57–64. http://dx.doi.org/10.31650/2415-377x-2022-87-57-64.
Повний текст джерелаАнотація:
The results of the influence of film formers of different types on the formation of the properties of powder paints and coatings based on them was showed. Powder coating are one of the most promising types of paints and varnishes for industrial use. Their main advantages are the absence of solvents, virtually waste-free coating technology (the degree of utilization of the powder in the application is close to 100 %), relative simplicity and efficiency in the production process of the coating. As a result of study it has been revealed that the use of powder coating systems of different chemical nature provides higher physical and mechanical characteristics of coatings in comparison with traditional systems based on liquid acrylic resin, which in its turn allows to consider such systems as an alternative for protection of construction metal products and structures against the mechanical influences. At the same time, it has been shown that a change in the film former and crosslinking agent in the composition of powder systems differently influences the formation of powder coating properties depending on the type of the film former and its characteristics (viscosity, glass transition temperature) as well as the type of the crosslinking agent. The use of systems "polyester film forming – TGIC", "polyester film forming – НАА" provide high physical and mechanical properties of coatings without deterioration of technological properties of systems, when using film forming with dynamic Brookfield viscosity values within 30oC). In turn, the decrease of the glass transition temperature index and the increase of the resin viscosity index negatively affect the formation of the technological properties of the powder systems and, accordingly, the physical and mechanical characteristics of the coating.
8
Sun, Yuxue, Fei Teng, and Jingyuan Zhao. "Study and Application of Polymer Film-Forming Shielding Plugging Drilling Fluid System." Journal of Petroleum Engineering 2014 (February 13, 2014): 1–5. http://dx.doi.org/10.1155/2014/824020.
Повний текст джерелаАнотація:
To solve the low cementing quality of acoustic logging and some distensible well diameters in high permeable layer of Daqing Lamadian oilfield, we have carried out the study and field application of polymer film-forming shielding plugging drilling fluid system. By adding this polymer film-forming shielding plugging agent to macromolecule emulsion drilling fluid, the shielding and plugging effect will be improved. Combined with the experiment and analysis, we optimize the adding amount of this agent to improve the performance of drilling fluid system. From the application effect, the cementing quality of acoustic logging has been improved obviously. This system has been applied in 20 wells and there are 15 high quality wells. The merit factor of well cementing reaches 75%.
9
Zhang, Jiaqing, Fengju Shang, Wencheng Zhou, Fei Xiao, and Dengfeng Cheng. "Fire-extinguishing performance and gas-phase pollution characteristics of different foam agents in extinguishing transformer oil pool fire." Journal of Fire Sciences 40, no. 6 (November 2022): 463–78. http://dx.doi.org/10.1177/07349041221142509.
Повний текст джерелаАнотація:
In this study, aqueous film-forming foam, fluoroprotein foam, and synthetic foam were applied to extinguish the transformer oil pool fires. The fire-extinguishing performance and burn-back resistance were investigated using a laboratory fire-extinguishing system. Moreover, the emission products were analyzed to evaluate the gas-phase pollution characteristics. Results show that aqueous film-forming foam presents the highest fire-extinguishing efficiency, while fluoroprotein foam has the best burn-back performance. Flue gas and gas chromatography–mass spectrometer analyses demonstrate that the use of fluoroprotein foam results in much higher CO emissions than other foams, and the pollutants are mainly from various hydrocarbons produced by incomplete combustion of transformer oil. Synthetic foam and aqueous film-forming foam lead to higher SO2 and NO emissions, and pollutants are mainly dominated by alcohols and ethers. Noteworthily, when using aqueous film-forming foam to extinguish oil pool fire, a persistent organic pollutant, perfluorooctanoic acid, is detected in the gas phase.
10
Kwon, Youngkyu, Jeachun Sa, Jaeyoung Kim, and Sehong Min. "Study on Environmental Regulation of Aqueous Film Forming Foam and Use of C4-Based Eco-Friendly Aqueous Film Forming Foam." Journal of the Korean Society of Hazard Mitigation 22, no. 2 (April 30, 2022): 125–31. http://dx.doi.org/10.9798/kosham.2022.22.2.125.
Повний текст джерелаАнотація:
The C8-based aqueous film forming foam (AFFF) was developed by 3M in 1960, initially for military purposes, and was then used in all U.S. Navy vessels until the late 1960s. The U.S. Department of Defense used the AFFF for fuel fire suppression in all military facilities in the 1970s. The AFFF was classified as a special fire extinguishing chemical used for an airplane hangar or an aircraft carrier. Despite its strong fire extinguishing capacity, the AFFF is not commonly used by civilians, mainly due to the cost factor and environmental issues. In particular, the main organic chemical component of the AFFF is resistant to degradation; it tends to persist in the ecological system and in the human body, consequently having grievous effects. The paper describes the causes and measures of the AFFF use regulations by the Stockholm Convention concerning persistent organic chemicals. The manuscript also introduces the C4-based eco-friendly AFFF, a fire extinguishing chemical developed in China, as a part of the measure and addresses the meaning of “C4-Based.” Moreover, the study verifies that the representative regulation targets for perfluorooctane sulfonates (PFOS) and perfluorooctanoic acid (PFOA) are not detected in the C4-based eco-friendly AFFF fire extinguishing chemical, as revealed by a test on “the method for analyzing PFOS/PFOA” in the chemical product based on the National Standard Test KS M 9722:2017. Accordingly, various fire extinguishers using the C4-based eco-friendly AFFF with strong and extensive fire extinguishing capacity are proposed, and the other use methods.
Дисертації з теми "Film-forming system"
1
Reichman, Aaron Michael. "Development of nano-characterization system for polymer film measurement and single BGA solder joint forming experiment." Diss., Online access via UMI:, 2007.
Знайти повний текст джерела
2
Barnard, Carla. "Investigating the effect of various film-forming polymers on the evaporation rate of a volatile component in a cosmetic formulation." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1498.
Повний текст джерелаАнотація:
The topical application of many substances, including drugs, enzymes, moisturizers and fragrances, contributes largely to the cosmetic and pharmaceutical industries. These components are often volatile in nature and dissipate in a matter of hours. When considering the different types of slow release systems, an overwhelming variety of these systems is available. Each one of the systems is unique in a way, and is designed to perform a particular function, whether it facilitates the controlled release of an active into the body via the skin surface (transdermal delivery) or whether it reduces the rate of loss of an active from the skin surface to the surrounding environment. For the purpose of this study, a previously existing fixative formulation which is believed to reduce the rate of loss of an active component to the environment, through film formation on the skin surface, was investigated. Alternative ingredients or components were incorporated together with the original fixative formulation ingredients into an experimental design which investigates the effect of each group of the components present. 18 formulations with various concentrations of the components within the groups and specified upper and lower limits for each component were formulated. The fixative properties of the formulations were analysed through the incorporation of a fixed amount of a simple fragrance molecule, 4- methoxybenzaldehyde, into each formulation and evaporation studies were conducted in an environmental room at 28±1° C over a period of 5 hours followed by gas chromatography analysis and finally data analyses using statistical methods. The most efficient fixative formulation was established using regression analysis. The fragrance compound in this formulation was found to evaporate at a rate of 0.47 g/L per hour. The least efficient fixative formulation lead to the loss of 0.78 g/L of the fragrance component per hour. From the calculated fragrance concentrations, the rate constant for each individual fixative formulation could be calculated and response surface 8 modelling by backward regression was used in order to determine how each component contributes to the rate of loss of the fragrance compound. Since the sum of the original ingredient and its alternative was constant, each of the original ingredients was coupled directly to its alternative and no conclusion could be made about the contribution of individual components. By increasing the concentration of Hydroxypropylcellulose (HPC) 100K and its alternative HPC 140K, while keeping the effects of the other components constant, a decrease in the rate of fragrance loss was observed. The same conclusion could be made when increasing the concentrations of PEG-12 Dimethicone and its alternative cetyl dimethicone (decreases the evaporation rate). An interaction took place between HPC 100K and PEG-12 dimethicone and their alternatives. The negative effect was, however, not as strong as the combined positive effect on the rate of fragrance loss of the individual components HPC and PEG-12 dimethicone. Evidence suggested that the removal of the components polyvinylpyrrolidone and its alternative, polyurethane-32 (Baycusan® C1003), would improve the effectiveness of the fixative formulation in terms of its slow release properties. A confirmation experiment established that the exclusion of these components from the fixative formulation does improve the “slow release” properties thereof. A larger, more intricate design is required to investigate the effect of each one of the individual components and where the sum of the components (original and its alternative) is not constant.
3
Kapilashrami, Abha. "Interfacial Phenomena in Two-Phase systems: Emulsions and slag Foaming." Doctoral thesis, Stockholm, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-88.
Повний текст джерела
4
Xu, Jia-Hong, and 許家弘. "The study of forming Y-Sr-Cu-O system thin film by using pulsed COLaser." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/77779001213229502999.
Повний текст джерела
5
Chung, Yi-Lin, and 鍾依林. "Starch film-forming technique and MRI studies of its water-barrier property in the model system." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/07161250581527868929.
Повний текст джерелаАнотація:
碩士國立臺灣大學
農業化學研究所
91
Bio-based material from nature has potential as a conventional material replacing petrochemical materials as it is a biodegradable, edible, biocompatible and various physi-chemical material. Starch as it is one of the most abundant and cost-effective biopolymers in the world and has film-forming ability is suitable for film manufacture. Although starch film made of high amylose corn starch had low hydrophilic property at high water activity (Aw) but it was hard to be completely gelatinized when film forming solution was prepared for. The water absorption of starch film increased as starch concentration decreasing at high Aw environment. The addition of plasticizer increased the water absorption of normal corn starch film at Aw＞0.54. To improve the poor moisture barrier property of starch film, the highly hydrophobic materials such as stearic acid and beeswax was added. The composite starch-lipid films improved the water vapor transmission rate (water vapor transmission rater, WVTR), i.e. the WVTR of composite starch-lipid film was slower than that of starch film. However, increasing the concentration of lipid fastened the WVTR, and reduced the elongation and breaking strength of film. It is found that the composite starch-lipid film with 0.79%stearic acid and 1.11% beeswax had the slowest WVTR as 6.59 and 6.17 × 10-3 gm-2s-1, respectively. The water-barrier property of film is generally evaluated by WVTR, but WVTR can not completely reflect the water-barrier property of film in the real environment. Therefore, the gelatin gel was used to monitor the medium to high Aw solid type food or biology system and magnetic resonance imaging (MRI) technique was used to investigate the water-barrier property of film in a two-gelatin-gel model system during storage. The results show that the composite starch-lipid film did show better water-barrier property than starch film at the beginning. However, in the late period of storage, the difference of water-barrier property between starch film and composite starch-lipid film decreased. MRI T2 image of the two-gelatin-gel model system can reflect the water-barrier property of film during storage nondestructively and is suitable be used as an evaluated method of water-barrier property of fil
6
YAO, CING-CHANG, and 姚慶昌. "The Effects of Plant Extracts and Film Forming Agent on Sunscreen Efficacy in Different Emulsion System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7v26e2.
Повний текст джерелаАнотація:
碩士靜宜大學
化粧品科學系
106
UVA can reach the dermis layer and cause the elastin and collagen of the dermis to deteriorate,lose the elasticity and tension of the skin,increase the lipid peroxide and free radicals,promote skin aging,further darken the skin, skin cancer and other diseases;UVB irradiation can make the skin inflamed,red and swollen,blisters,and stimulate the growth of melanin secretion,causing damage to the DNA of skin cells.Therefore,the importance of the sunscreen efficacy has become a global concern.In this experiment,different plant extracts and film forming agents were used in the different emulsifier systems (W/O, O/W), and the SPF value was used to determine the UV defense ability in vitro using the Screen Analyzer (SPF-290AS).The test results were calculated for SPF value, critical wavelength, UVA/UVB ratio. In the water-in-oil plant extract/film former formulation(EM90+C1004+Rosemary) has the highest SPF value of 43.73,which is 2.98 times higher than Base (Tegocare 450),which is the highest of all the SPF values;In the water-in-oil plant extract/film former formulation,(ES-5300+C1004+Rosemary)has the highest UVA/UVB ratio of 1.147,which is 18.49% higher than Base(Tegocare 450),which is the highest of all the UVA/UVB ratio;in the water-in-oil plant extract formulation,(GI34+Rosemary)can get the highest Crit.Wavelength of 385.2nm,which is 4.5nm higher than Base (Tegocare 450),which is the highest of all Crit. Wavelength values.In the oil-in-water plant extract formulation,(Brij S2+Apple) can obtain the highest SPF value of 53.28, which is 3.86 times higher than Base(Tegocare 450), which is the highest group of all the SPF values.In the oil-in-water plant extract/film former formulation,(Brij S2+C1000+Xeradin)has the highest UVA/UVB ratio of 1.163,which is 20.1% higher than the Base(Tegocare 450), which is the highest of all the UVA/UVB ratio。In all oil-in-water formulations, the highest critical wavelength for both (E2+C1000) and (E2+C1000+Xeradin) are 384.9 nm, which is 4.2nm higher than Base (Tegocare 450), which is the highest of all the Crit. Wavelength values.
7
PARISI, ERICA ISABELLA. "Sistemi film-forming a base di PVA per la rimozione di prodotti di corrosione da leghe base-Cu (Film forming PVA-based cleaning systems for the removal of corrosion products from Cu-based alloys)." Doctoral thesis, 2016. http://hdl.handle.net/2158/1073126.
Повний текст джерелаАнотація:
This PhD thesis presents an innovative poly(vinyl)alcohol-based film forming system, specifically devised to obtain a controllable and selective cleaning of ancient copper-based artifacts. Traditional cleaning procedures of metallic artifacts are commonly performed by mechanical and/or chemical methods. Unfortunately, both these methods present some limits, mainly related to poor selectivity, high invasiveness and scarce control over the cleaning procedures. The main advantage of the cleaning system presented here, consists in the simultaneous chemical and mechanical action, guaranteed respectively by the presence of a confined complexing agent specific for Cu(II) ions (EDTA, Rochelle salt, polyamines) and by the removal of the final film through a peeling action. The physico-chemical characterization of the cleaning system was carried out through different methods (gravimetry, thermal analysis, rheology and ATR-FTIR spectroscopy) in order to study the kinetics of films formation and their mechanical properties. Finally, cleaning tests were firstly performed on different artificially aged samples, then on real cases of study. Questa tesi di dottorato presenta un innovativo sistema filmante a base di polivinilalcol, sviluppato specificamente per ottenere una pulitura controllabile e selettiva su manufatti antichi in lega base-rame. Le tradizionali procedure di pulitura di manufatti metallici sono comunemente eseguite tramite metodi chimici e/o meccanici. Sfortunatamente, entrambi questi metodi, presentano alcuni limiti legati principalmente a scarsa selettività, elevata invasività e assenza di controllo sulle procedure di pulitura. Il principale vantaggio del sistema pulente qui presentato consiste nella simultanea azione chimica e meccanica, garantita rispettivamente dalla presenza di un agente complessante confinato, specifico per gli ioni Cu(II) (EDTA, sale di Rochelle, poliammine) e dalla rimozione del film finale tramite un'azione di peeling. La caratterizzazione chimico-fisica del sistema pulente è stata eseguita tramite diversi metodi (gravimetria, termoanalisi, reologia, spettroscopia ATR-FTIR) in modo da studiare le cinetiche di formazione dei film e le loro proprietà meccaniche. Infine, test di pulitura sono stati eseguiti inizialmente su provini invecchiati artificialmente e poi su casi studio reali.
8
Ramarathnam, Jaganath. "Control and monitoring of sheet and film forming processes." Master's thesis, 2009. http://hdl.handle.net/10048/766.
Повний текст джерелаАнотація:
Thesis (M. Sc.)--University of Alberta, 2009.Title from pdf file main screen (viewed on Dec. 30, 2009). "A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science in Process Control, Department of Chemical and Materials Engineering, University of Alberta." Includes bibliographical references.
9
Zurdo, Schröder Ines [Verfasser]. "Film forming polymeric solutions as drug delivery systems for the skin / von Ines Zurdo Schröder." 2007. http://d-nb.info/98360522X/34.
Повний текст джерела
10
Almeida, Beatriz Santos de. "Design Gel-Patch Systems for Enhanced Topical Delivery." Master's thesis, 2019. http://hdl.handle.net/10451/43409.
Повний текст джерелаАнотація:
Trabalho Final de Mestrado Integrado, Ciências Farmacêuticas, Universidade de Lisboa, Faculdade de Farmácia, 2019O linfoma é um dos tipos de cancro e tem origem nos nódulos linfáticos e outros tecidos do sistema imunitário. Um dos linfomas cada vez mais presente é o linfoma cutâneo das células B. Este tipo de linfoma ataca essencialmente a pele, tendo como principal manifestação o aparecimento de placas eritematosas e nódulos (não ulcerados). O tratamento baseia-se na radioterapia ou quimioterapia, no entanto, quando as lesões são extensas ou em múltiplos locais, esses tratamentos tornam-se pouco viáveis. Assim sendo, tem-se procurado novas abordagens terapêuticas, nomeadamente a utilização do anticorpo monoclonal rituximab. Esta terapia demonstrou ter efeito se combinada com quimioterapia ou mesmo em monoterapia. Mais recentemente foi administrada via intralesional e demonstrou ser eficaz, tendo levado à remissão quase total dos linfomas. No entanto, esta injeção é dolorosa para os doentes, o que pode levar a uma menor adesão à terapêutica. Assim, pretendeu-se desenvolver novas formulações film forming, com base num gel, que permitissem incorporar o rituximab, de forma a constituir uma alternativa ao tratamento convencional. Desta forma, foram preparados vários hidrogeles, com recurso a vários polímeros, agentes gelificantes e agentes plastificantes, entre outros excipientes. No fim, quatro hidrogeles foram selecionados: dois patch-like, para tratamento dos doentes oncológicos e outros dois patch, com sistema film forming, como alternativa inovadora. Depois das formulações otimizadas foi incorporado um fármaco modelo, a cafeína e posteriormente, os hidrogeles foram caracterizados de acordo com as suas propriedades físicas e estruturais, propriedades adesivas e de espalhabilidade, bem como foi medida a capacidade de libertação da cafeína in vitro.
Lymphoma is one of the types of cancer and originates in lymph nodes as well as in other tissues of the immune system. One of the increasingly present lymphomas is primary cutaneous B-cell lymphoma. This type of lymphoma essentially spreads on the skin, with the appearance of erythematous plaques and nodules (non-ulcerated). The treatment is based on radiotherapy or chemotherapy but, when lesions are extensive or in multiple locations, these treatments become unviable. Therefore, new therapeutic approaches are necessary. One is to use the monoclonal antibody rituximab. This therapy has been shown to have an effect when combined with chemotherapy or even in monotherapy. More recently, it has been administered by intralesional injection and has proved to be effective, leading to almost total remission of the lymphoma. However, intralesional injection is painful for patients and it can lead to low adherence to the therapeutics. Thus, it was intended to develop a new gel-based film forming formulation to incorporate rituximab as an alternative to conventional treatment. This way, various hydrogels were developed using different polymers, gelling agents and plasticizers, as other excipients. Four final formulations were achieved: two patch-like gels, for treatment of cancer patients, and another two patch gels, with a film forming system, as an innovative alternative. After the development of the optimized formulations, various active substances were incorporated, like caffeine. Organoleptic characteristics, physical and structural stability, adhesive properties and spreadability as well as the caffeine released profile in vitro were studied.
Книги з теми "Film-forming system"
1
Lee, Sangjoon. Cinema and the Cultural Cold War. Cornell University Press, 2020. http://dx.doi.org/10.7591/cornell/9781501752315.001.0001.
Повний текст джерелаАнотація:
This book explores the ways in which postwar Asian cinema was shaped by transnational collaborations and competitions between newly independent and colonial states at the height of Cold War politics. The book adopts a simultaneously global and regional approach when analyzing the region's film cultures and industries. New economic conditions in the Asian region and shared postwar experiences among the early cinema entrepreneurs were influenced by Cold War politics, US cultural diplomacy, and intensified cultural flows during the 1950s and 1960s. The book reconstructs Asian film history in light of the international relationships forged, broken, and re-established as the influence of the non-aligned movement grew across the Cold War. The book elucidates how motion picture executives, creative personnel, policy makers, and intellectuals in East and Southeast Asia aspired to industrialize their Hollywood-inspired system in order to expand the market and raise the competitiveness of their cultural products. They did this by forming the Federation of Motion Picture Producers in Asia, co-hosting the Asian Film Festival, and co-producing films. The book demonstrates that the emergence of the first intensive postwar film producers' network in Asia was, in large part, the offspring of Cold War cultural politics and the product of American hegemony. Film festivals that took place in cities as diverse as Tokyo, Singapore, Hong Kong, and Kuala Lumpur were annual showcases of cinematic talent as well as opportunities for the Central Intelligence Agency to establish and maintain cultural, political, and institutional linkages between the United States and Asia during the Cold War. This book reanimates this almost-forgotten history of cinema and the film industry in Asia.
Частини книг з теми "Film-forming system"
1
McAuley, William J., and Francesco Caserta. "Film-Forming and Heated Systems." In Novel Delivery Systems for Transdermal and Intradermal Drug Delivery, 97–124. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118734506.ch5.
Повний текст джерела
2
Kianpisheh, Milad, Bahareh Rezaei, and Faramarz Afshar-Taromi. "Improved Conductivity and Film Forming of Transparent PEDOT:PSS Electrodes Using Non-ionic Surfactants." In Eco-friendly and Smart Polymer Systems, 181–83. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45085-4_43.
Повний текст джерела
3
Zhong, Ling, Yongchun Chen, Michael Tate, and Zeyu Zhong. "A New Film-Forming Agent Used to Improve Seed Coating Application Performance." In Pesticide Formulation and Delivery Systems: 41st Volume, Formulation and Application Challenges of Diverse Agricultural Agrochemicals, 110–18. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2022. http://dx.doi.org/10.1520/stp164120210058.
Повний текст джерела
4
Garnjanagoonchorn, W., A. Yimjaroenpornsakul, N. Poovarodom, and S. Praditdoung. "Film-Forming Ability of Duck Egg White and Its Water-Vapor Barrier Property." In Water Properties in Food, Health, Pharmaceutical and Biological Systems: ISOPOW 10, 453–58. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780470958193.ch35.
Повний текст джерела
5
"3. Coating Systems, Formulation, Film-Forming." In European Coatings Handbook, 187–228. Hannover, Germany: Vincentz Network, 2019. http://dx.doi.org/10.1515/9783748602255-004.
Повний текст джерела
6
Case, Steve, Phil Johnson, David Manlow, Roger Smith, and Kate Williams. "7. Crime and the media." In Criminology. Oxford University Press, 2017. http://dx.doi.org/10.1093/he/9780198736752.003.0007.
Повний текст джерелаАнотація:
This chapter examines media representations of crime and criminals. It first considers the public's fascination with crime before turning to two main methods traditionally used by criminologists to record the reporting of crime: content analysis and discourse analysis. It then assesses the capacity of media to distort and shape public perceptions of crime, criminality, and the criminal justice system. It also explores the importance of media in forming new narratives such as citizen journalism; how young people and migrants are portrayed in the media; the depiction of crime in novels, television, and film; media classification and censorship; and the fear and panic caused by new technology and new media such as video games. The chapter concludes by describing different kinds of cybercrime such as hacking and identity theft, along with young people's use of the Internet.
7
Yuzevych, Volodymyr, and Bohdan Koman. "MATHEMATICAL AND COMPUTER MODELING OF INTERPHASE INTERACTION IN HETEROGENEOUS SOLID STRUCTURES." In Theoretical and practical aspects of the development of modern scientific research. Publishing House “Baltija Publishing”, 2022. http://dx.doi.org/10.30525/978-9934-26-195-4-14.
Повний текст джерелаАнотація:
The aim of this work was to develop a mathematical model and computer modelling of interphase interaction, mechanical stresses and adhesion mechanisms between mechanically inhomogeneous media (different phases). Methodology. For the system "metal – dielectric" we use a macroscopic approach, which corresponds to the ratio of non-equilibrium thermodynamics and physics of solid surfaces. Let’s consider the system of equations and boundary conditions for describing the change of energy parameters (σh, γ), which characterize the thermodynamic state of the system of contacting bodies. Method for calculating the main energy parameters (interfacial energy – γm, interfacial tension – σm, work of adhesion – Aadand energy of adhesive bonds – γad) in complex solid-state structures containing boundary phases is proposed. Based on the basic equations of nonequilibrium thermodynamics and surface physics a mathematical model of the interphase boundary is designed. A comparative analysis of the features of interphase interaction in the systems "metal-metal", "metal-semiconductor" and "metal-dielectric" on the example of interacting systems "Cu – Zn", "Cu – Si" and "Cu – quartz". It is established that the most sensitive parameter in the analysis of interphase interactions is the interphase energy γm.A model of mechanical stress formation in the "condensate-substrate" system is proposed. In particular, internal stresses in metal condensates are caused by changes in the value of interphase energy parameters (primarily interfacial tension) in the substrate-nanocondensate system and due to phase-forming processes accompanied by changes in surface energy in the condensate volume during its formation. The resulting internal stresses in metal condensates are an integral result of the action of statistically distributed on the plane of the film local stresses. Such phenomena are due to the anisotropy of the energy parameters of the interphase interaction in the condensate plane. Behavior analysis of energy and adhesion parameters can be used to predict the results of interphase interaction in order to select contact pairs to create thermodynamically stable structures with predicted values of energy parameters of interphase interaction, a certain type of chemical bond and a given level of mechanical stresses.
8
Marievskaya, Natalia. "Социальные пространства в динамике сюжета. Анализ драматургии современного фильма." In Tożsamość (w) przestrzeni: Studia dedykowane Profesorowi Wasilijowi Szczukinowi, 435–47. Ksiegarnia Akademicka Publishing, 2022. http://dx.doi.org/10.12797/9788381387316.32.
Повний текст джерелаАнотація:
The world of poverty and the world of wealth form absolutely different spaces that are deeply separated from each other. It is difficult to overcome their dividing line. This statement seems to be almost evident. What is less evident is that these spaces actively interact with each other forming networks of the whole through multiple communication channels. For example, for such interaction channel current media can become provoking and sustaining example of the concept of “ressentiment” introduced by Nietzsche. The research focuses on the dynamics of social spaces within film structure. Particularly, the author analyses the situation when money investment in information processing for those people who exist within the space of poverty triggers an unpredictable response which changes the space of wealth. It is spacial dynamics that has been reproduced in such films as Joker (2019) by Todd Phillips, Parasites (2019) by Pon Joon-Ho, Once upon a time... in Hollywood (2019) by Quentin Tarantino. Is it possible nowadays to talk about the response of the humiliated and the insulted to the world wealth’s massive impact aimed at jeopardizing the current social system based on the inequality of people?
9
Imai, Tsuyoshi, and Hua Zhu. "Improvement of Oxygen Transfer Efficiency in Diffused Aeration Systems Using Liquid-Film-Forming Apparatus." In Mass Transfer - Advanced Aspects. InTech, 2011. http://dx.doi.org/10.5772/22908.
Повний текст джерела
10
V. S., Chitra. "Theorising the Politics of Yakshi in Malayalam Cinema." In Handbook of Research on Social and Cultural Dynamics in Indian Cinema, 51–63. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-3511-0.ch005.
Повний текст джерелаАнотація:
The fear of the monstrous feminine, yakshi, may be read as an element of collective political fear, threatening the stability and functioning of established systems of power and normalcy. Films attempted a curious balancing of tradition with modernity. The film representations of female ghosts mark a transformation of Kerala's cultural psyche in its relation with the supernatural. One of the common characteristics of yakshi legends and their film representations in Malayalam is that class/caste identity of the woman plays a significant role in the experiences narrated. The myth of yakshi—a cultural fantasy still popular in Kerala, forming an integral part of Malayalam film industry from 1964 to 2017—is analysed through the subaltern theory popularised by Gayathri Spivak and various other theorists together with the psychological theories of the conscious evolved by Freud and Jung. The refashioning of the image from the voluptuous and monstrous one to a more realistic and relatable image proclaims the politics and the social context of fear evoked through this terrible concept.
Тези доповідей конференцій з теми "Film-forming system"
1
Biehl, Saskia, Sebastian Staufenbiel, and Frank Hauschild. "Novel measurement and monitoring system for forming processes based on piezoresistive thin film systems." In SPIE Europe Microtechnologies for the New Millennium, edited by Ulrich Schmid. SPIE, 2009. http://dx.doi.org/10.1117/12.821729.
Повний текст джерела
2
Umezawa, Takao, Masayuki Ito, Yosuke Fukasawa, Katsuo Matsunaga, Ryuichi Kowada, and Motosuke Ishizawa. "Development of Production System for Automotive Lamps Using a Film Forming Technology within Injection Molds." In SAE World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2009. http://dx.doi.org/10.4271/2009-01-1300.
Повний текст джерела
3
Neupert, Niklas, Janneck Christoph Harbeck, and Franz Joos. "An Experimentally Derived Model to Predict the Water Film in a Compressor Cascade With Droplet Laden Flow." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64121.
Повний текст джерелаАнотація:
In recent years overspray fogging has become a powerful means for power augmentation of industrial gas turbines. Despite the positive thermodynamic effect on the cycle droplets entering the compressor increase the risk of water droplet erosion and deposition of water on the blades leading to an increase of required torque and profile loss. Due to this detailed information about the structure and the amount of water on the surface is key for compressor performance. Experiments were conducted with a droplet laden flow in a transonic compressor cascade focusing on the film formed by the deposited water. Two approaches were taken. In the first approach the film thickness on the blade was directly measured using white light interferometry. Due to significant distortion of the flow caused by the measurement system a transfer of the measured film thickness to the undisturbed case is not possible. Therefore, a film model is adapted to describe the film flow in terms of height averaged film parameters. In the second approach experiments were conducted in an undisturbed cascade setup and the water film pattern was measured using a non-intrusive quantitative image processing tool. Utilizing the measured flow pattern in combination with findings from literature the rivulet flow structure is resolved. From continuity of the water flow a film thickness is derived showing good agreement with the previously calculated results. Using both approaches a 3D reconstruction of the water film pattern is created giving first experimental results of the film forming on stationary compressor blades under overspray fogging conditions.
4
Simmons, Kathy, Dan Guymer, and Adam Turner. "CFD Investigation Into Oil/Air Behaviour Near a Shrouded Spiral Bevel Gear." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26146.
Повний текст джерелаАнотація:
The capability to model an aeroengine internal gearbox in its entirety using CFD is currently hampered by the complexity of the two-phase, highly rotating system and the computational resource required. The University of Nottingham Technology Centre in Gas Turbine Transmission Systems has established modeling capability for an unmeshed, shrouded spiral bevel gear and has conducted a number of experimental investigations for such a gear operating within a cylindrical chamber [1, 2]. In this paper a CFD model is created of an external chamber geometry comparable to that on the experimental test rig using the commercial CFD code Fluent. Droplets are introduced into this chamber at a range of diameters and their trajectories tracked. Small droplets (0.1 μm to 1μm) are representative of mist within the chamber and essentially follow the highly rotating air flow. Droplets in the range 1 μm to 100 μm travel to the chamber walls but interact with the flow such that they may be in the core flow some time before impact. Larger droplets in the range 100 μm to 5000 μm are largely undeflected, travelling directly to the walls. The Fluent thin film model is used to generate wall films from droplet impacts and the simulation shows how film is likely to be driven away from the gear by the air flows within the chamber forming a thicker film away from the gear axial location.
5
Boughner, Kyle J., John E. Wentz, and Benton J. Garske. "Development and Validation of a Mathematical Model of Microfilm Formation in Atomization Cooling of Micromachining." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65302.
Повний текст джерелаАнотація:
Traditional flood cooling processes can cause problems in micromachining due to the collision force between the fluid stream and the tool being greater in magnitude than the cutting forces. The traditional processes produce insufficient cooling rates and are unable to effectively evacuate chips from the cutting zone. Atomization-based cooling addresses these issues through high evaporative cooling rates, low impact forces, and the use of a high velocity air stream to clear the cutting zone of chips. This paper presents a probabilistic model to determine the thickness of a microfilm forming on a rotating cylindrical surface, such as a microturning workpiece or a microendmill, and the relative importance of system parameters on film formation. The rate of microfilm formation is dependent upon droplet losses in the tube, at the nozzle, and the scatter of the atomized spray. Droplet diameters and Weber numbers in the tube and at the cylinder were experimentally determined and modeled as lognormally distributed. Parameters investigated in this model are fluid and mist properties (surface tension and droplet size) and system parameters (delivery tube air velocity, spray air velocity, spray geometry, cylinder diameter, and cylinder rotational velocity). A maximum film thickness effect was found for the variables of delivery tube velocity, droplet diameter, and surface tension with a value for each variable that provided a thickest film. As the variables increased or decreased from that value the film thickness decreased.
6
Hee, Jee Loong, R. Santhosh, Kathy Simmons, Graham Johnson, David Hann, and Michael Walsh. "Oil Film Thickness Measurements on Surfaces Close to an Aero-Engine Ball Bearing Using Optical Techniques." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63813.
Повний текст джерелаАнотація:
In a civil aero-engine transmission system a number of bearings are used for shaft location and load support. A bespoke experimental test facility in the University of Nottingham’s Gas Turbine and Transmissions Research Centre (G2TRC) was created to investigate oil shedding from a location bearing. An engine representative ball bearing was installed in the rig and under-race lubrication was supplied via under-race feed to three locations under the inner race and cage. The oil was supplied in an engine representative manner but the delivery system was modified to provide circumferentially even flow. An electromagnetic load system was designed and implemented to allow engine representative axial loads between 5 and 35 kN to be applied to the bearing. In this phase of testing the rig was operated at shaft speeds between 1,000 rpm and 7,000 rpm for a range of oil flow rates and low and high load conditions. The rig was designed with good visual access and high speed imaging was used to investigate film formation and movement on surfaces close to the bearing. This paper presents images and qualitative observations of thin film formed on the static surfaces forming the outer-periphery of the bearing compartment as well as the gap between orbiting cage and static outer race. Quantitative film thickness was obtained at two circumferential locations (90° and 270° from top dead centre) and three axial locations, through sophisticated analysis of the high speed images. The effect on film thickness of the varied parameters rotational speed, axial load and oil feed input flow rate are presented in this paper. It was observed that for all axial planes of measurement in both co-current and counter-current regions film thickness decreases with increase in shaft rotational speed. At 5,000 and 7,000 rpm film thicknesses are around 0.75 mm – 1 mm and are similar at 90° and 270°; at 3,000 rpm films tend to be somewhat thicker at around 1.5 mm – 2 mm and are thicker in the counter current region, particularly closer to the bearing. It is suggested that at higher shaft speeds interfacial shear dominates whereas at lower speed the effect of gravity in slowing the film in the counter-current region causes a measureable difference. It was further observed that increasing the input oil flow rate from 5.2 litres per minute to 7.3 litres per minute did not produce significant effect on film thickness. However, the increase of axial bearing load from 10 kN to 30 kN yielded thicker films at the location above the cage. In all cases there was waviness on the film surface at the bearing outer periphery; imaging was not sufficient to see if the film surface close to the bearing is wavy.
7
Morice, Sara, Andriy Sherehiy, Danming Wei, and Dan O. Popa. "Characterization of the Direct Write Inkjet Printing Process for Automated Fabrication of PEDOT: PSS Thin Films." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85409.
Повний текст джерелаАнотація:
Abstract Direct write Inkjet Printing is a versatile additive manufacturing technology that allows for the fabrication of multiscale structures with dimensions spanning from nano to cm scale. This is made possible due to the development of novel dispensing tools, enabling controlled and precise deposition of fluid with a wide range of viscosities (1 – 50 000 mPas) in nanoliter volumes. As a result, Inkjet printing has been recognized as a potential low-cost alternative for several established manufacturing methods, including cleanroom fabrication. In this paper, we present a characterization study of PEDOT: PSS polymer ink deposition printing process realized with the help of an automated, custom Direct Write Inkjet system. PEDOT: PSS is a highly conductive ink that possesses good film forming capabilities. Applications thus include printing thin films on flexible substrates for tactile (touch) sensors. We applied the Taguchi Design of Experiment (DOE) method to produce the optimal set of PEDOT:PSS ink dispensing parameters, to study their influence on the resulting ink droplet diameter. We experimentally determined that the desired outcome of a printed thin film with minimum thickness is directly related to 1) the minimum volume of dispensed fluid and 2) the presence of a preprocessing step, namely air plasma treatment of the Kapton substrate. Results show that an ink deposit with a minimum diameter of 482 μm, and a thin film with approximately 300 nm thickness were produced with good repeatability.
8
Divakaran, Adarsh, K. Vijayan, and A. Kartheek. "Experimental and Numerical Study of Oil Whip in Propeller Shaft." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95331.
Повний текст джерелаАнотація:
Abstract An experimental study and theoretical study is carried out to understand the vibration signature of a propeller shaft. A test rig consists of a rotor shaft and three-disc supported on hydrodynamic bearing was analyzed. Presence of hydrodynamic bearing makes the systems natural frequency speed dependent. A theoretical model of the rotor disc system was developed using FEM. The rotor was formulated on Euler–Bernoulli beam theory. Proportional damping was assumed for the shaft. The stiffness and damping coefficients of the bearing are calculated by short bearing assumption. A Campbell diagram was plotted to observe the variation in natural frequencies with rotational speed. There was an indication of mode approaching each other with a speed which could result in the self-excited phenomena such as “Oil whip”. The hydrodynamic forces in the fluid film produce Oil whip. The presence of Oil whip was ascertained by carrying out the experimental study. The time-frequency plot during the run-up indicated the presence of a whip. The study indicated the influence of modes on the whip phenomena. This can be used in forming guidelines for the safe operating regime for the propeller shaft.
9
Anand, M., M. Hadfield, JL Viesca, and B. Thomas. "Experimental Study on the Effect of Marine Engine Lubricant Degradation on Tribological Performance of Cylinder Liner and Piston Rings Contact Using a Tuning Fork Technology Based Oil Sensor." In International Conference on Marine Engineering and Technology Oman. London: IMarEST, 2019. http://dx.doi.org/10.24868/icmet.oman.2019.009.
Повний текст джерелаАнотація:
An investigation was carried out to study the effect of changes in oil quality on its tribological performance using a tuning fork technology based oil sensor. In this research, a tribological testing system was commissioned, to simulate the piston ring-cylinder liner sliding contact, and to measure the lubricant condition in real-time using an oil sensor. Tribological contact between cylinder liners and piston rings in marine engines is the most affected region due to excessive thermo-mechanical stresses. At top dead centre, the effect of such stresses is at a maximum where piston-sliding speed is lowest, while the temperature is high due to fuel combustion, and radial load behind the piston rings compressing against the cylinder liner surface is at a maximum due to gas pressure and the compression fit of piston rings within the cylinder liner. At bottom dead centre, this effect is less severe due to a reduction in temperature and gas pressure on the piston rings, as the piston is positioned away from the combustion chamber. These two regions experience boundary lubrication conditions, where anti-wear and anti-friction additives are responsible for forming a protective lubricious film on sliding surfaces. At mid-stroke, piston-sliding speed is maximum, therefore, a full hydrodynamic film is formed in this region separating the piston rings and cylinder liner. The formation of oil film depends upon, the physical properties of oil (such as viscosity and density) under hydrodynamic lubrication conditions, and the oil chemistry (such as presence of additives in oil) under mixed or boundary lubrication conditions. Lubricants in marine engines undergo intense degradation in quality due to contamination with wear particles, water, soot, un-burnt fuel, coolant, and additives depletion. Such degradation of lubricants leads to a reduction in their capability to form a minimum thickness of oil film between two moving engine components to avoid direct metal-to-metal contact, which may cause wear. Therefore, monitoring the condition of marine engine lubricants is vital in order to predict any significant change in its quality. The results obtained from tribology testing and oil condition monitoring in the current research showed a good correlation and are useful to understand the performance of lubricants for piston ring-liner contacts.
10
Zaitoun, Alain, Nazanin Salehi, Jerome Bouillot, Louis Hernando, Budi Rivai Wijaya, Winner Reynold, Frans Samuel Samosir, Adrianus Pradipta, Arief Witjaksono, and Wery Kurniadi. "Mitigating Sand Production by Polymer Injection in Indonesian Offshore Field." In SPE Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210731-ms.
Повний текст джерелаАнотація:
Abstract Several fields in South East Asia are suffering from excessive sand production due to clayey unstable reservoir rock. Sand production induces undesirable phenomena such as production loss due to sand accumulation in the well, damage of the pump and of the surface equipment, frequent well shut-in and heavy costs for cleanout jobs and pump changes. The operators are looking for an easy and cost-effective technique that could be deployed in the field, if possible rigless. In a previous paper5, a pilot treatment consisting of specific water-soluble polymer injection showed good results in terms of sand production reduction and preservation of well performances. The polymer adsorbs strongly on the reservoir rock, forming a continuous film on pore walls. The film has a consistency of thin sticky gel stabilizing the rock. Moreover, the polymeric film acts as Relative Permeability Modifiers (RPM) and thus maintain oil permeability while reducing water permeability. This RPM property enables the deployment by bullhead injection into the whole open interval. Field extension has been scheduled and similar treatments have been performed in 4 new wells. In the field, the polymer is injected by coiled tubing in each open interval selectively. The polymer is pushed in the formation by diesel/water postflush, which also re-saturates with oil the near-wellbore area and help production re-start. The feedback obtained so far can be listed as follows: No production loss occurred in all the treated wells.Sand-free production rate could be increased after the polymer treatmentSand production was totally stopped for a few months before coming back again after 4-12 months, at much lower rate than before.A re-treatment induced new period of sand-free production for several months. Such results confirm the sustainability of the polymer technology. The field methodology has been optimized. It opens new perspectives and could become a new sand control system in the toolbox of the profession.
Звіти організацій з теми "Film-forming system"
1
Waisner, Scott, Victor Medina, Charles Ellison, Jose Mattei-Sosa, John Brasher, Jacob Lalley, and Christopher Griggs. Design, construction, and testing of the PFAS Effluent Treatment System (PETS), a mobile ion exchange–based system for the treatment of per-, poly-fluorinated alkyl substances (PFAS) contaminated water. Engineer Research and Development Center (U.S.), March 2022. http://dx.doi.org/10.21079/11681/43823.
Повний текст джерелаАнотація:
Poly-,Per-fluorinated alkyl substances (PFAS) are versatile chemicals that were incorporated in a wide range of products. One of their most important use was in aqueous film-forming foams for fighting liquid fuel fires. PFAS compounds have recently been identified as potential environmental contaminants. In the United States there are hundreds of potential military sites with PFAS contamination. The ERDC designed and constructed a mobile treatment system to address small sites (250,000 gallons or less) and as a platform to field test new adsorptive media. The PFAS Effluent Treatment System (PETS) has cartridge filters to remove sediments and a granular activated carbon (GAC) media filter to remove organic compounds that might compete with PFAS in the ion exchange process, although it may also remove PFAS too. The last process is an ion exchange resin specifically designed to remove PFAS to a target level of 70 ng/L or less (equivalent to the US Environmental Protection Agency (EPA) Drinking Water Health Advisory). The system was tested at Hurlburt Field, a US Air Force facility in Florida and at Naval Support Activity (NSA) Mid-South in Millington, TN.