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Relevant bibliographies by topics / Resistance gel

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Academic literature on the topic 'Resistance gel'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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Journal articles on the topic "Resistance gel"

1

邢, 晓亮. "Study on Freezing Resistance of Alginate Gel." Hans Journal of Food and Nutrition Science 10, no. 02 (2021): 87–92. http://dx.doi.org/10.12677/hjfns.2021.102012.

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Fedotov, G. N., Yu D. Tret’yakov, G. V. Dobrovol’skii, V. I. Putlyaev, E. I. Pakhomov, A. A. Fan’kovskaya, and T. N. Pochatkova. "Water resistance of soil aggregates and gel structures." Doklady Chemistry 411, no. 1 (November 2006): 215–18. http://dx.doi.org/10.1134/s0012500806110061.

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KUDO, Sho, Shin ARUGA, and Satoshi OGATA. "0612 Frictional resistance of the hydrophilic gel wall." Proceedings of the Fluids engineering conference 2015 (2015): _0612–1_—_0612–2_. http://dx.doi.org/10.1299/jsmefed.2015._0612-1_.

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Zhou, Qi, Xuan Xiao, Da Li Zhao, and En Jun Song. "Alumina Sol-Gel Films and Alodine Films on Al 2024 Alloy." Advanced Materials Research 356-360 (October 2011): 364–67. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.364.

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Development of the sol-gel films for painting pretreatment of aluminium alloy is to replace bichromate conversion films such as Alodine. Corrosion resistance of Alodine film and sol-gel film were evaluated through potentiodynamic polarization curves, electrochemical impedance spectroscopy, salt spraying and acidic dropping solution. Sol-gel film is almost the same as Alodine film at the film surface density, salt spraying resistance and adhesion with painting coating. Changing color times of dropping solution on sol-gel film is shorter than Alodine film. But the corrosion current of sol-gel film is lower than Alodine and the impedance value is higher than Alodine in 35g/L NaCl solution. Mechanism of corrosion resistance of alumina sol-gel film is that the cathode reaction and anodic reactions are restrained by sol-gel film in the Cl- corrosive medium. The EIS of sol-gel film consisted of only a single capacitive arc with one time constant. Sol-gel coating can prevent or delay the corrosive solution from infiltrating the substrate for its better isolation function, thus protecting 2024 aluminium alloy from corrosion. Sol-gel films can improve corrosion resistance of aluminum alloy and have the same adhesion as Alodine film. It will be a promising alternative pretreatment for aluminum alloys prior to painting.

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Gao, Minlan, Wen Tian, Zhihui Ma, Sanbao Dong, Congyu Ke, Jie Zhang, and Gang Chen. "Research of a Surfactant Gel with Potential Application in Oilfield." Tenside Surfactants Detergents 58, no. 5 (September 1, 2021): 360–70. http://dx.doi.org/10.1515/tsd-2020-2315.

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Abstract In this study, a viscoelastic surfactant gel was composed using erucoylamine propyl betaine and other additives. The formulation of this viscoelastic surfactant gel solution was determined as: erucamide propyl betaine:oleic acid amide propyl betaine:octadecyl hydroxyl sulfonate betaine = 1.7%:1.36%:0.01%. Then the performance of viscoelastic surfactant gel fluid was evaluated. The results showed that the viscoelastic surfactant gel has good temperature resistance and salt resistance. At 50°C, the apparent viscosity reaches the maximum value, 37 mPa · s, and it displays high shear resistance under the shear rate of 170 s–1, with the viscosity retention of 83.3%. Kerosene (1%) can completely break the gel within 2 h, which can convert the gel into a surfactant solution soon. Also the gel shows high emulsion ability, which can benefit the oil displacement in oilfield. Finally this gel can enhance the oil displacement rate as high as 28%.

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Rahayu, Resti, Intan P. Sari, Hafni Aurida, Solfiyeni Solfiyeni, Robby Jannatan, and Mairawita Mairawita. "The effectiveness of commercial gel baits against German cockroach Blattella germanica (Linnaeus, 1767) in Indonesia." Polish Journal of Entomology 90, no. 2 - Ahead of print (June 30, 2021): 63–69. http://dx.doi.org/10.5604/01.3001.0014.9056.

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Gel baits product sold commercially to the public has long been used to control German cockroach populations in urban areas. The effectiveness and resistance level of gel bait products need to be known for the successful control of German cockroaches in the field. However, there have been no reports of resistance in Indonesia. This study used toxicity tests of six gel bait products (MF, CBG, SPB, OTG, BTX, and UBA) against two populations of adult male German cockroaches (VCRU-WHO and RKMN-BKT). Fipronil, boric acid and emamectin benzoate containing gel baits were effective to knock down and kill the German cockroaches. In contrast, gel bait with imidacloprid as an active ingredient was only useful to knock down the German cockroaches. Commercial gel bait product in Indonesia are still useful in controlling German cockroaches’ populations with a time of effectiveness to cause mortality between three to four weeks after being exposed in the field and the level of cockroach resistance to gel bait are susceptible until low resistance.

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HIRAI, Shinji. "Application of Sol-Gel Method. Corrosion Resistance Coatings on Metals by the Sol-Gel Process." Journal of the Surface Finishing Society of Japan 50, no. 2 (1999): 175–81. http://dx.doi.org/10.4139/sfj.50.175.

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Bykov, G. L., V. V. Milyutin, B. G. Ershov, Yu P. Korchagin, V. M. Gelis, and A. A. Bessonov. "Radiation resistance of a composite ferrocyanide-silica gel sorbent." Radiochemistry 53, no. 2 (April 2011): 191–95. http://dx.doi.org/10.1134/s1066362211020135.

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Zhou, Qi, Ping Zhao, Chun Lin He, and Qing Kui Cai. "Alumina Sol-Gel Film for Pretreatment to Paint on Aluminum Alloy." Advanced Materials Research 239-242 (May 2011): 1678–81. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1678.

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Aluminum alloy coatings for pretreatment are developed by sol-gel method. The adhesion between sol-gel film and the paint film was measured by scratching circles and corrosion resistance of sol-gel film was tested by salt spraying experiment. The adhesion between sol-gel film made by pure alumina sol and the paint film was so poor that it is unsuitable for ground coatings, but the composite sol which ultrafine Al2O3 powder was added to pure alumina sol can improve the adhesion and corrosion resistance. If the first layer film is made of pure alumina sol and the second layer is made of composite sol, the neutral salt spraying time of double layers film is longer than the single-layer composite sol-gel film. The adhesion for both double composite film and single-layer composite sol-gel film are first-grade. When solution of potessium dichromate is dropped on double combinatorial film for 100s, the solution will change in color. The gloss of paint film on double composite sol-gel film is 0.827, flexibility is 2×10mm and impact resistance is 1kg∙50cm. It is possible that composite sol-gel film or combinatorial sol-gel film replace dichromate salt conversion film on aluminum alloy using for painting pretreatment.

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Al-Assi, Abdulwahed A., G. Paul Willhite, Don W. Green, and C. Stanley McCool. "Formation and Propagation of Gel Aggregates Using Partially Hydrolyzed Polyacrylamide and Aluminum Citrate." SPE Journal 14, no. 03 (August 26, 2009): 450–61. http://dx.doi.org/10.2118/100049-pa.

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Summary A study of the formation of gel aggregates in systems containing partially hydrolyzed polyacrylamide and aluminum citrate was completed. Under certain conditions, this system forms gel aggregates, commonly referred to as colloidal dispersion gels. Systems that formed aggregates on the exit screen of a screen viscometer also developed flow resistance when displaced through slimtubes and sandpacks. A gel system containing 1000 ppm polymer and 33.3 ppm aluminum citrate was studied in 10 darcy sandpacks 2 ft and 4 ft long. In the 2-ft sandpack, the gelant showed no significant difference in the flow resistance when compared to polymer injection when 8.7 pore volumes were injected with at residence time 0.83 hours after mixing the gelant inline prior to injection. However, a high flow resistance developed after the sandpack was shut in for 31.4 hours. The development of the high flow resistance is consistent with viscosity measurements approximately 28 hours after mixing the gelant and transistion pressures measured using the screen viscometer. In the 4-ft sandpack, gelant was injected at an interstitial velocity of 5 ft/D so that the residence time was 19.2 hours, well beyond the time where substantial gel structure was identified in screen viscometer tests. A high flow resistance developed slowly across the sandpack, beginning at the inlet section, demonstrating the formation and retention of gel aggregates in the sandpack. Our experimental data demonstrate that gel aggregates can be formed by reaction of partially hydrolyzed polyacrylamide with aluminum citrate and propagated through sandpacks. We estimate that in-depth treatment of a 10-darcy porous matrix at interstitial velocities of 5 ft/D using this gel system is limited to approximately 12 feet because retention of gel aggregates causes the permeability to decrease leading to reduction in flowrate.

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Dissertations / Theses on the topic "Resistance gel"

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Bosomworth, P. A. "Thermal stress damage resistance of gel-bonded magnesia refractories." Thesis, University of Leeds, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371841.

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Miyafuji, Hisashi. "Wood-Inorganic Composites with Fire-Resistance as Prepared by the Sol-Gel Process." Kyoto University, 2000. http://hdl.handle.net/2433/68743.

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Guadagnin, Hellen Costerano. "Corrosion resistance study of AA2524 anodized in sulphuric-tartaric acid and sealed with hybrid coatings." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/3/3137/tde-20072017-152947/.

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Aluminium alloys are widely used in the aerospace industry due to their lightweight and high specific strength. However, these alloys are particularly sensitive to localized corrosion in chloride environments and need to be protected by a robust system. One of the protection methodologies consists in anodizing. The produced layer increases the corrosion resistance and also serves as anchoring site for organic coatings application. Chromium-based anodizing has been usually employed, nevertheless, as chromate compounds are toxic for health and the environment, chromium-based surface treatments will be prohibited in the aerospace industry in a near future. Tartaric-sulphuric acid (TSA) anodizing is a promising environment compliant alternative, which is already being used at industrial level with appropriate corrosion protection and paint adhesion properties. This study aims at proposing a hybrid sol-gel treatment after TSA anodizing of AA2524 specimens in order to improve the corrosion resistance of the anodized layer while maintaining its compatibility with organic coatings. For this, anodic aluminium oxides (AAO) were produced at different anodizing voltages and protected by dip-coating with a hybrid sol-gel layer obtained from a tetraethoxysilane (TEOS) and 3-glycidoxypropyltrimethoxysilane (GPTMS) hydrolysis solution with high water content. Corrosion resistance evaluation was carried out by means of electrochemical impedance spectroscopy (EIS) in NaCl 0.1 mol L-1 and salt-spray chamber exposure (ASTM B117-11 standard). The morphology of the anodic porous layer was investigated by means of FE-SEM, whereas glow discharge optical emission spectroscopy (GDOES) was employed to evaluate the distribution of the sol-gel layer within the porous AAO. FE-SEM characterization confirmed that the layer properties (pore distribution, porosity and thickness) were strongly dependent on the anodizing conditions, whereas GDOES depth profile showed penetration of the hybrid coating within the pores of the anodized layer. The two characterization techniques showed inefficient surface sol-gel coverage for the samples anodized at higher voltage, likely due to insufficient sol-gel deposition. The results of the EIS characterization tests up to 1008 h (42 days) showed that, irrespectively to the anodizing voltage, the hybrid sol-gel protected AAO was stable with only slight evolution of the diagrams with immersion time. Moreover, the hybrid coating protected samples presented higher low frequency impedance modulus than hydrothermally sealed (HTSed) reference TSA anodized samples, which was confirmed by electrical equivalent circuit (EEC) fitting of the EIS data. EEC fitting also revealed that the resistance of the pores to electrolyte penetration was increased by the application of the sol-gel coating when compared to the resistance of the HTSed reference samples and indicated better anticorrosion performance for the sample anodized at 16 V. These results were confirmed by the salt-spray tests. Investigation on the ageing of the hybrid sol-gel hydrolysis solution showed that its viscosity hardly changed up to two weeks of test and that hybrid coatings applied from these solutions were stable and afforded good corrosion protection to the TSA anodized substrate, an improvement of the anticorrosion properties of the hybrid coating was verified for an ageing time of 168 h. Preliminary tests performed with a solvent-free organic coating (epoxy) indicated good compatibility with the hybrid TEOS-GPTMS coating characterized by very high impedance and good stability upon exposure to the salt-spray chamber.
Ligas de alumínio são muito utilizadas na indústria aeronáutica por serem materiais leves e altamente resistentes. Porém, essas ligas são particularmente sensíveis à corrosão localizada em meios que contêm cloretos, e precisam de sistemas robustos de proteção. Uma das metodologias de proteção consiste em anodização. A camada produzida aumenta a resistência à corrosão e também serve como sítio de ancoragem para aplicação de revestimentos orgânicos. A anodização crômica tem sido usualmente empregada na indústria aeronáutica. No entanto, como compostos contendo íons cromato são tóxicos para a saúde e para o meio-ambiente, tratamentos de superfície à base de cromo serão proibidos na indústria espacial em um futuro próximo. Anodização em banho de ácido sulfúrico-tartárico (TSA) é uma alternativa promissora e ambientalmente compatível, a qual já está sendo usada industrialmente com apropriada proteção à corrosão e adesão para pintura. Este estudo tem como objetivo propor um tratamento utilizando um revestimento híbrido sol-gel para melhorar a resistência à corrosão da liga AA2524 anodizada em TSA e que mantenha sua compatibilidade com revestimentos orgânicos. Para isso, camadas anodizadas de alumínio (CAA) foram produzidas em diferentes voltagens e protegidas por camada de híbrido sol-gel obtida pela hidrólise de tetraetilortosilano (TEOS) e glicidóxipropiltrimetóxisilano (GPTMS) em solução com alto teor de água e aplicada pela técnica de dip-coating. A avaliação da resistência à corrosão foi realizada através de espectroscopia de impedância eletroquímica (EIS) em NaCl 0,1 mol.L-1 e por exposição à câmara de névoa salina (norma ASTM B117-11). A morfologia da camada porosa foi investigada por MEV e a espectroscopia de emissão óptica por descarga luminescente (GDOES) foi empregada para avaliar a distribuição do híbrido sol-gel no interior dos poros da camada porosa. As caracterizações por MEV confirmaram que as propriedades da camada (distribuição dos poros, porosidade e espessura) são fortemente dependentes das condições de anodização, e a composição em profundidade obtida por GDOES mostrou que o revestimento híbrido penetrou nos poros da camada anodizada. As duas técnicas de caracterização mostraram uma cobertura ineficiente da camada sol-gel para as amostras anodizadas nas voltagens mais elevadas, provavelmente devido à deposição insuficiente do híbrido. Os testes de EIS com duração de até 1008 h (42 dias) mostraram que, independentemente da voltagem de anodização empregada, a camada anódica coberta com sol-gel ficou estável ocorrendo apenas pequenas evoluções dos diagramas com o tempo de imersão. Além do mais, as amostras protegidas com o revestimento híbrido apresentaram maiores valores de módulo de impedância em baixa frequência do que as amostras anodizadas em TSA e hidrotermicamente seladas (HTsed) usadas como referências. Essa tendência foi confirmada pelo ajuste com circuitos elétricos equivalentes (EEC) dos resultados de EIS que também mostrou que a aplicação do sol-gel híbrido torna mais difícil a penetração do eletrólito agressivo nos poros da camada anodizada quando comparada com as amostras HTSed, e indicou melhor desempenho anticorrosivo para a amostra anodizada em 16 V. Esses resultados foram confirmados pelos testes de névoa salina. A investigação do envelhecimento da solução de sol-gel mostrou pouca mudança na viscosidade da solução de hidrólise em duas semanas de testes e que os revestimentos híbridos aplicados a partir dessas soluções foram estáveis e promoveram boa proteção à corrosão para as amostras anodizadas em TSA, com melhora das propriedades anticorrosivas após 168 h de envelhecimento. Testes preliminares realizados com revestimento orgânico livre de solvente (epóxi) indicaram boa compatibilidade deste com o revestimento híbrido TEOS-GPTMS. O revestimento epóxi propiciou valores de módulo de impedância elevados e estáveis e também boa estabilidade após exposição à câmara de névoa salina quando aplicado sobre o revestimento híbrido aplicado sobre a liga 2524.

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Hendry, Jason. "The fretting corrosion resistance of sol-gel and PVD surface-modified orthopaedic implant alloys." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0002/MQ46101.pdf.

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5

Casbonne-Renaud, Frédérique. "Comportement aux cycles gel-dégel des bétons de granulats calcaires." Vandoeuvre-les-Nancy, INPL, 1998. http://www.theses.fr/1998INPL053N.

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Le but de cette étude est de caractériser le comportement aux cycles gel-dégel de bétons réalisés à base de granulats calcaires, et de le comparer à celui d'un béton classique réalisé avec des granulats siliceux. Des bétons ont été soumis à des cycles gel-dégel accélérés en enceinte climatique, différents de ceux des normes, en ajoutant des paliers de gel et de dégel. Des analyses au microscope électronique à balayage ont montré l'apparition d'ettringite secondaire dans tous les bétons dégradés (siliceux et calcaires). L’ettringite apparait au cours des paliers et peut entrainer une aggravation des désordres lors de sa cristallisation par poussée cristalline. Des mesures de vitesse des ondes ultrasonores, de perméabilité au gaz et de résistance à la compression simple ont permis de montrer différents types de comportements aux cycles gel-dégel en fonction des types de granulats utilisés et des dosages en ciment. La liaison continue entre la pate et les granulats calcaires sublithographiques supprime la zone de faiblesse existant à ce niveau dans le cas des granulats siliceux. L’utilisation de granulats calcaires sublithographiques améliore donc la résistance au gel. Pour des calcaires plus poreux oolithiques, la liaison pate-granulat est très compacte, ce qui entraine dans certains cas des gradients de contrainte pouvant conduire à la formation de fissures. Leur utilisation demandera donc des études préalables.

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Vance, Lindsey. "The Inhibitory Effects of a Novel Gel on Staphylococcus aureus Biofilms." Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/honors/435.

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Antibiotic resistance is an ever-growing topic of concern within the medical field causing researchers to examine the mechanisms of resistance to develop new antimicrobials. Bacteria’s ability to form biofilms is one mechanism which aids in antimicrobial resistance. Staphylococcus aureus is of special interest as it is one of the most frequent biofilm-forming bacteria found on medical devices causing infections and posing dangerous threats in a clinical setting. A recently developed antimicrobial gel has been shown to have profound effects on treating bacterial infections and wound healing. This research is centered upon examining the antimicrobial effects of this gel on the three different stages of biofilm formation in clinical and laboratory strains of S. aureus. Through a series of experiments examining the effects this gel has on S. aureus at the stages of biofilm attachment, maturation, and dispersion, the gel has shown significant levels of inhibition. These findings indicate that the novel gel disrupts biofilm forming processes of S. aureus, which provides useful information for fighting infections in the medical field. Further research on the uses and effects of this new gel could lead possibility using the antimicrobial compound for a variety of clinical purposes.

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Nguyen, Vinh Xuan. "Mecanismes de la resistance au gel de l'embryon de pommier (pyrus malus l. Cv. Golden delicious)." Paris 6, 1987. http://www.theses.fr/1987PA066554.

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Des pommes (pyrus malus l. Cv. "golden delicious" ont ete entreposees apres la recolte, a 0,12 et 35**(o)c. Apres 4 semaines, des lots de fruits ont ete transferes de 0 a 12**(o)c ou inversement de 12 a 0**(o)c. Les basses temperatures (0**(o)c) favorisent la levee de dormance, tandis que les temperatures elevees (12 et 35**(o)c) sont favorables a une meilleure resistance au gel et ces 2 phenomenes sont independants. L'analyse thermique differentielle a montre que l'embryon de pommier ne peut survivre au gel qu'en evitant la congelation intracellulairegrace a une surfusion prolongee. Plus la temperature de conservation des fruits est elevee, plus la temperature de surfusion est basse

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Serafini, Gabriele Maria Callegaro. "Açúcar granulado ou gel no tratamento de feridas em cães." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/10117.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Sugar is one of the most widely used products in the treatment of wounds in veterinary medicine. Its main advantage is the hygroscopic effect on tissues and the bacterial death by plasmolysis, making it a bactericidal agent due to the physical effect observed, without leading to bacterial resistance as it might occur with antibiotic therapy. The objective of this experiment was to compare cicatricial evolution in cutaneous wounds with the topical use of sugar both granulated and in the form of a gel. For such, 16 canine wounds were treated, where eight received treatment with granulated sugar (group A) and eight with sugar gel (group G). Evaluations such as mensurations of the wounded areas, bacteriological cultures and observation of the aspect of the lesions were done weekly from the moment of the first examination until the formation of enough granulation tissue to suspend the use of the products. When comparing the decline in the area between groups no statistical difference was observed at any time. However, when the areas were analyzed in each group's interval, it was possible to notice a statistically significant decline between days 1-14 and 7-14 in the group treated with sugar. In the group treated with the gel, beside those intervals, a significant decline was also noticed between days 1-7. In terms of the frequency of negative bacteriological culture, there was no statistical difference between groups, not even in the different moments of each group. The time taken for the granulation tissue to be fully formed varied from 7 to 14 days in both groups. As to applicability, the gel showed better adhesion to the wounds and filling of the product subcutaneously more effectively than the granulated sugar. The conclusion reached is that both the sugar and the gel were effective in healing the animals' wounds in this experiment, the gel having demonstrated precocity in cicatricial retraction in the first seven days.
O açúcar é um dos produtos mais utilizados para tratamento de feridas em medicina veterinária. Sua principal vantagem é o efeito higroscópico nos tecidos e morte das bactérias por plasmólise, tornando-o um bactericida pelo efeito físico realizado, sem levar à resistência bacteriana, como poderia ocorrer na terapia antibiótica. O objetivo desse experimento foi comparar a evolução cicatricial de feridas cutâneas com o uso tópico de açúcar na forma granulada e na forma de gel. Para tal, foram tratadas 16 feridas de cães, onde oito receberam tratamento com açúcar granulado (grupo A) e oito com gel de açúcar (grupo G). Avaliações como mensurações das áreas das feridas, culturas bacteriológicas e observação quanto ao aspecto das lesões foram realizadas semanalmente desde o momento do atendimento até a formação de tecido de granulação suficiente para suspender o uso dos produtos. Na comparação da diminuição da área entre os grupos não se observou diferença estatística em nenhum momento. Entretanto, quando as áreas foram analisadas nos intervalos de cada grupo, pôde-se perceber diminuição estatisticamente significativa entre os dias 1 e 14 e 7 e 14 no grupo tratado com açúcar. No grupo tratado com gel, além desses intervalos, também se percebeu diminuição significativa entre os dias 1 e 7. Com relação a frequência de cultura bacteriológica negativa, não houve diferença estatística entre os grupos, nem nos diferentes momentos de cada grupo. O tempo para completa formação de tecido de granulação variou entre sete e 14 dias em ambos os grupos. Quanto à aplicabilidade, o gel demonstrou melhor adesão nas feridas e preenchimento do produto no subcutâneo de forma mais efetiva que o açúcar granulado. Conclui-se que tanto o gel quanto o açúcar foram efetivos na cicatrização das feridas dos animais desse experimento, sendo que o gel demonstrou precocidade na retração cicatricial nos primeiros sete dias.

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Vivar, Mora Laura. "The impact on mechanical properties and corrosion resistance of silica nanoparticles on a sol-gel based coating." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/20390/.

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Corrosion has a huge impact on metallic structures which not just affect the economy but also assets, environment and society. Finding measures to reduce and prevent corrosion damage is crucial. Organic coatings (epoxies), and inorganic coatings (polysiloxanes), have long been used to mitigate corrosion. Combining the best features of both organic and inorganic coatings to create high performance protective coatings is still a challenge. Many studies have reported increased corrosion protection and durability through the use of these hybrid coatings which could be further enhanced with the incorporation of nanoparticles. Many nanoadditives are now commercially available and many more in the development stage, but integration into coatings is a key challenge since modifies its physical and mechanical properties. The purpose within this investigation was to identify preliminary design rules by studying the effect and impact of these key materials in order to start establishing a materials by design approach which can be further developed and will help the integration of novel materials into industrial applications. A sol-gel based coating was created to modify it with unfunctionalised and functionalised silica nanoparticles and study both their interaction with the coating matrix and their influence on coating morphology and mechanical durability. It was found that non-functionalised silica led to improved barrier properties, however, when the same silica was surface treated the corrosion resistance was further enhanced. Following that line of investigation, three functionalisation levels as well as three loading levels of functionalised silica were examined. This study showed that the highest loading (20 wt.%) of the lowest functionalised silica (T0.1) led to coatings with improved properties and durability. This functionalised silica was homogeneously distributed within the polysiloxane-based matrix with no signs of agglomeration, highlighting the importance of the relation between nanoparticles, matrix and nanoparticle distribution as a key factor to improve coating performance.

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Kang, Min. "Alkali/steam corrosion resistance of commercial SiC products coated with sol-gel deposited Mg-doped Al₂TiO₅ and CMZP." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42006.

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The corrosion resistance of two commercially available SiC filter materials coated with Mg-doped Al₂ Ti0₅ and (Ca _0.6.6' Mg_0.52) Zr₄P₆0₂₄ (CMZP) was investigated in high-temperature high pressure (HTHP) alkali-steam environments. Coated specimen properties, including cold and hot compressive strengths, bulk density, apparent porosity, permeability, and weight change, dete~ed after exposure to 92% air-S% steam 10 ppm Na at 8OOÂ°C and 1.8 MPs for 500 h were compared with those of uncoated specimens. Procedures for applying homogeneous coatings of Mg-doped Al₂ Ti0₅ and CMZP to porous SiC filters were established and coating of the materials was successfully accomplished. Efforts to stabilize the Al₂ Ti0₅ coating composition at elevated temperature were successful. Coatings show promise for providing improved corrosion resistance of the materials in pressurized fluidized bed combustion (PFBC) environments as evidenced by higher compressive strengths exhibited by coated SiC specimens than by uncoated SiC specimens following HTHP alkali-steam exposure.
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Books on the topic "Resistance gel"

1

Hendry, Andrew Jason. The fretting corrosion resistance of sol-gel and PVD surface-modified orthopaedic implant alloys. Ottawa: National Library of Canada, 1999.

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Krasowski, Marek J. Winter freezing injury and frost acclimation in planted coniferous seedlings: A literature review and case study from northeastern British Columbia. Victoria, B.C: Forestry Canada, 1993.

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Thomas, Barbara Ruth. Guidelines for seed transfer of western white pine in B.C. based on frost hardiness. [Victoria, B.C.]: Forestry Canada, 1993.

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Lavallée, André. Winter drying and spring frost damage. Sainte-Foy, Québec: Forestry Canada, Quebec Region, 1992.

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Hawkins, Christopher David Borden. SIVE, a new stock quality test: The first approximation. Victoria, B.C: Forestry Canada, 1992.

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Manual for the seismic design of steel and concrete buildings to Eurocode 8 (Oct 2010): Guide pour la conception parasismique des ba timents en acier ou en be ton selon l'Eurocode 8. Octobre 2010. London: Institution of Structural Engineers, 2010.

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Tom, Badgett, ed. Official Sega Genesis and Game Gear strategies, 2ND Edition. Toronto: Bantam Books, 1991.

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Sandler, Corey. Official Sega Genesis and Game Gear strategies, 3RD Edition. New York: Bantam Books, 1992.

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Rivers, Larry Eugene. Day-to-Day Resistance. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252036910.003.0002.

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This chapter examines the various forms of conservative resistance used by slaves in Florida and often elsewhere within the slave empire of the United States. William Dusinberre called these types of actions or inactions nonviolent “dissidence.” Indeed, bondservants actively, though discreetly, resisted their owners on a day-to-day basis. In doing so, many slaves believed that they could either get away with their recalcitrance or use it to negotiate concessions from their masters. Since enslaved blacks knew that violent attacks could mean immediate death, they naturally and intelligently sought other means of expressing their discontent concerning plantation or farm regimens. Sometimes they made life uncomfortable for their masters, and sometimes, in the process, they made life uncomfortable for themselves.

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Threlfall, E. J., J. Wain, and C. Lane. Salmonellosis. Oxford University Press, 2011. http://dx.doi.org/10.1093/med/9780198570028.003.0030.

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Salmonellosis remains the second most common form of bacterial food-poisoning in the UK and in most of the developed economies. Although the number of isolations per annum has declined since 2000, over 10,000 laboratory-confirmed cases are recognised each year in England and Wales, and over 150,000 in Europe. Most of infections are associated with contaminated food, particularly of poultry origin, but also may originate from cattle and pigs, and to a lesser extent, sheep. The most common serovars from cases of human infection is Enteritidis, followed by Typhimurium. Contact with pets, particularly reptiles and amphibians is becoming an increasing problem and infections can be severe, particularly in children. Accurate and reproducible methods of identification and subtyping are crucial for meaningful epidemiological investigations, and traditional phenotypic methods of typing are now being supplemented by DNA- based methods such as pulsed-field gel electrophoresis, variable number of tandem repeats analysis, and multilocus sequence typing. The use of such methods in combination with phenotypic methods has been invaluable for outbreak control at the international level. The occurrence of resistance to antimicrobial drugs is an increasing problem, particularly in relation to the development of resistance to antimicrobials regarded as ‘critically-important’ for last resort therapy in humans. Control measures such as vaccination of poultry flocks appear to have had a substantial impact on the number of infections with Salmonella Enteritidis. Nevertheless good hygiene practices in both catering establishments and the home remain essential for the control of infections at the local level.

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Book chapters on the topic "Resistance gel"

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Xu, Zhongliang, Caili Dai, Mingwei Zhao, Xu Guo, and Bing Liu. "Preparation and Evaluation of Acid Gel Fracturing Fluid with Temperature Resistance." In Springer Series in Geomechanics and Geoengineering, 1127–37. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7560-5_103.

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Toleman, Mark A. "Direct in Gel Genomic Detection of Antibiotic Resistance Genes in S1 Pulsed Field Electrophoresis Gels." In Methods in Molecular Biology, 129–36. New York, NY: Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4939-7638-6_12.

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Mei, Le Fu, Kai Ming Liang, and Hai Bin Li. "The Effect of Zirconia Sol-Gel Coatings on Mild Steel Oxidation Resistance." In High-Performance Ceramics III, 1005–8. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.1005.

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Friedrich, Malena Soledad, Alicia Esther Ares, and Claudia Marcela Méndez. "Corrosion Inhibition Effect of Aloe Saponaria Gel on the Corrosion Resistance of Aluminum." In Light Metals 2020, 452–59. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36408-3_64.

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Chwa, Edmund, Linda Wu, and Z. Chen. "Factors towards Pencil Scratch Resistance of Protective Sol-Gel Coatings on Polycarbonate Substrate." In Fracture of Materials: Moving Forwards, 339–44. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-994-6.339.

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Tao, Jiaping, Caili Dai, Guang Zhao, and Wanli Kang. "Experimental Study of Temperature Resistance and Salt Tolerance Dispersed Particle Gel Three-Phase Foam." In Springer Series in Geomechanics and Geoengineering, 1041–54. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7560-5_95.

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Xu, Yue, Ying Jie Li, and Sha Li. "The Effects of Rare Earth Elements on Corrosion Resistance of Sol-Gel Coatings for 2024 Aluminum Alloy." In Materials Science Forum, 1801–4. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-432-4.1801.

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Shin, Dae Yong, Kyung Nam Kim, In-Tak Nam, and Sang Mok Han. "Improvement of Corrosion Resistance of Stainless Steel by ZrO₂-SiO₂ Sol-Gel Coatings." In Materials Science Forum, 442–45. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-995-4.442.

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Helsch, G., and G. H. Frischat. "Scratch Resistant Coatings." In Sol-Gel Technologies for Glass Producers and Users, 217–21. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-0-387-88953-5_29.

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Rizzardo, David. "Resistance, Demotivation, and Motivation." In Lean – Let’s Get It Right!, 153–208. New York, NY : Routledge, 2020.: Productivity Press, 2020. http://dx.doi.org/10.4324/9781003000556-6.

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Conference papers on the topic "Resistance gel"

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Katsantonis, John C., Savas K. Georgiou, Mary G. Providaki, John G. Vlahonikolis, and Andronicki D. Tosca. "Collagen-gel-induced resistance of overlying keratinocyte cultures to photosensitization." In BiOS Europe '97, edited by Kristian Berg, Benjamin Ehrenberg, Zvi Malik, Johan Moan, and Abraham Katzir. SPIE, 1997. http://dx.doi.org/10.1117/12.297792.

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Olson, Gerald, Clive Davies, Gourab Sen Gupta, Rose Davies, and Luke Fullard. "Resistance measurements of polydimethylsiloxane (PDMS) stretch-sensors embedded with a conductive gel." In 2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, 2021. http://dx.doi.org/10.1109/i2mtc50364.2021.9460011.

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Zhang, Ruisi, Niloofar Hashemi, Maziar Ashuri, and Reza Montazami. "Advanced Gel Polymer Electrolyte for Lithium-Ion Polymer Batteries." In ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18386.

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We report improved performance of Li-ion polymer batteries through advanced gel polymer electrolytes (GPEs). Compared to solid and liquid electrolytes, GPEs are advantageous as they can be fabricated in different shapes and geometries; also ionic properties are significantly superior to that of solid and liquid electrolytes. We have synthetized GPE in form of membranes by trapping ethylene carbonate and propylene carbonate in a composite of polyvinylidene fluoride and N-methylpyrrolidinore. By applying phase-transfer method, we synthetized membranes with micro-pores, which led to higher ionic conductivity. The proposed membrane is to be modified further to have higher capacity, stronger mechanical properties, and lower internal resistance. In order to meet those requirements, we have doped the samples with gold nanoparticles (AuNPs) to form nanoparticle-polymer composites with tunable porosity and conductivity. Membranes doped with nanoparticles are expected to have higher porosity, which leads to higher ion mobility; and improved electrical conductivity. Four-point-probe measurement technique was used to measure the sheet resistance of the membranes. Morphology of the membranes was studied using electron and optical microscopies. Cyclic voltammetry and potentiostatic impedance spectroscopy were performed to characterize electrochemical behavior of the samples as a function of weight percentage of embedded AuNPs.

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Marshall, K. L., E. Glowacki, C. Sileo, L. Chockalingam, J. Lee, V. Guiliano, and A. Rigatti. "Improving the Abrasion Resistance of Organosilane-Modified Sol-Gel Coatings for High-Peak-Power Laser Applications." In Optical Interference Coatings. Washington, D.C.: OSA, 2010. http://dx.doi.org/10.1364/oic.2010.ma4.

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Hsu, Chih-Chieh, Po-Yang Chuang, Jung-En Tsai, and Yu-Han Chen. "A study of negative resistance effect of CuxO RRAM fabricated by using a sol-gel method." In 2018 7th International Symposium on Next Generation Electronics (ISNE). IEEE, 2018. http://dx.doi.org/10.1109/isne.2018.8394740.

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Lima, C. R. C., U. Senturk, R. S. Lima, and C. C. Berndt. "Thermal Conductivity Behavior of Sol-Gel Post-Treated Thermal Barrier Coatings." In ITSC 2000, edited by Christopher C. Berndt. ASM International, 2000. http://dx.doi.org/10.31399/asm.cp.itsc2000p1057.

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Abstract Thermal barrier coatings have been extensively used in several industrial segments. The material used as an insulator in such systems has been partially stabilized zirconia (PSZ) plasma sprayed over a metallic bond coat layer. The ceramic layer is usually porous, thus improving insulation properties. The porosity also increases gas permeability and, therefore, reduces oxidation resistance of the coating. Post-treatments have been applied to reduce the open porosity and improve oxidation resistance. In this work thermal barrier coatings were applied on low carbon steel substrates using two sets of bond coat, i.e., metallic and metal-ceramic. The metallic bond coat was NiCrAlY. The metal-ceramic bond coat was a mixture of NiCrAlY and 8% yttria partially stabilized zirconia, which were applied by simultaneous feeding to the plasma torch from two powder feeders. A sol-gel method was employed to impregnate the porous ceramic top coat with alumina or zirconia. The samples in the as-sprayed and post-treated condition were characterized using mercury intrusion porosimetry (MIP), thermal conductivity. KEY WORDS: Thermal Conductivity, TBCs, Sol-Gel.

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Hou, Lisong, Martin Mennig, and Helmut K. Schmidt. "Improvement of photofatigue resistance of spirooxazine entrapped in organic-inorganic composite synthesized via the sol-gel process." In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, edited by John D. Mackenzie. SPIE, 1994. http://dx.doi.org/10.1117/12.188966.

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Chen, Lifeng, Guicai Zhang, Jijiang Ge, Ping Jiang, Xiaoming Zhu, Yang Lin, and Shengxia Han. "A Novel Thermal-Resistance and Salt-Tolerance Gel with Low-Concentration Crosslinkers for Water Shutoff in Tahe Oilfield." In SPE Asia Pacific Unconventional Resources Conference and Exhibition. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/176848-ms.

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Imqam, Abdulmohsin, Baojun Bai, and Mojdeh Delshad. "Preformed Particle Gel Propagation Through Super-K Permeability Sand and Its Resistance to Water Flow During Conformance Control." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/176429-ms.

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Kim, J. H., K. H. Nam, T. J. Ha, W. J. Cho, and H. B. Chung. "Rectifying Characteristics of Sol-gel derived TiO_x thin films for 1D-1R Resistance Switching Memory Applications." In 2014 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2014. http://dx.doi.org/10.7567/ssdm.2014.ps-4-3.

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Reports on the topic "Resistance gel"

1

Yordanov, Stancho I., Luben I. Lakov, Irina D. Stambolova, Vladimir N. Blaskov, Sasho V. Vassilev, Vanya L. Dyakova, and Alexander E. Elyas. Surface Morphology and Corrosion Resistance of Neodimium Doped TiO2 Sol-gel Coatings. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, May 2018. http://dx.doi.org/10.7546/crabs.2018.05.05.

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Yordanov, Stancho I., Irina D. Stambolova, Luben I. Lakov, Sasho V. Vassilev, and Bojidar T. Jivov. Sol-gel CeO2 and ZrO2 Coatings on CeO2: Study of the Phase Composition, Morphology and Corrosion Resistance. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, February 2019. http://dx.doi.org/10.7546/crabs.2019.01.07.

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Amzeri, Achmad, Kaswan Badami, and Gita Pawana. Inheritance of resistance to downy mildew (Peronosclerospora maydis) in crossing of Madura Maize Plant (Zea mays L.). Innovative Scientific Information & Services Network, May 2019. http://dx.doi.org/10.21107/amzeri.2019.1.

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Hybridization of Back cross is one method to get varieties that are resistant to downy mildew. The purpose of this study was to obtain information on inheritance characteristics of downy mildew resistance. This research was conducted at the experiment center of Agro-Technology Study Program of Agriculture Faculty, University of Trunojoyo Madura. Research of Assessment of resistance to Downy Mildew used a randomized block design with 18 treatments (P1, P2, F1, F2, BC1P1 and BC1P2 in three sets of crosses, namely LGL x Mdr-3, T12 x Mdr-1 and E02 x Mdr-2) and three replications so there were 54 experimental units. Identification of polymorphic RAPD markers for endurance to downy mildew through Bulk Segregant Analysis (BSA) was done by amplifying the DNA in the resistant pool and susceptible pool. The random primers used were 120 primers from 6 operon groups, namely OPA, OPB, OPC, OPD, OPF and OPG. The results showed that the inheritance pattern of maize genetic resistance to downy mildew followed a segregation pattern of 3:1 with a degree of dominance between -1 and 0, and was controlled by incomplete partially negative dominant gene. OPC-07 was a marker that was linkage close to the resistance to downy mildew with a genetic distance of 1.9 cM.

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