Relevant bibliographies by topics / Colloid content

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Colloid content'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 July 2025

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Journal articles on the topic "Colloid content"

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Kunberger, T., and M. A. Gabr. "Laboratory testing and microanalysis of colloidal mobilization from a glacial till." Canadian Geotechnical Journal 48, no. 7 (2011): 1116–24. http://dx.doi.org/10.1139/t11-030.

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The effect of the dispersion and piping of clay fines — colloid mobilization — as a means of remediating subsurface contamination was investigated. Prior colloid mobility research has focused on mitigating colloidal movement to reduce contaminant transport or monitoring colloids to determine the extent of mobility and contamination transport. To date, limited work has been performed to evaluate remediation efficiency associated with the removal of clay-sized (colloidal) particles and related sorbed contamination. Laboratory flow-through tests were performed on a glacial till from a radioactive
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Nikishina, Maria B., Evgenia V. Ivanova, Yury M. Atroschenko, et al. "Biological activity of colloidal solutions of silver, obtained by means of sálix cáprea extract." Butlerov Communications 60, no. 10 (2019): 54–59. http://dx.doi.org/10.37952/roi-jbc-01/19-60-10-54.

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The presented publication is devoted to the study of the biological activity of silver colloids synthesized based on extracts obtained from various parts of the goat willow plant (Sálix cáprea). The ability of colloidal silver solutions of various concentrations to stimulate growth processes in wheat seeds at the germination stage is analyzed. The effect of colloidal solutions on the catalytic effect of amylase was studied. The fungicidal activity of synthesized silver particles was studied. For the study, colloidal silver particles were obtained by the "green synthesis" method. Extracts of go
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Sepehrnia, Nasrollah, Olga Fishkis, Bernd Huwe, and Jörg Bachmann. "Natural colloid mobilization and leaching in wettable and water repellent soil under saturated condition." Journal of Hydrology and Hydromechanics 66, no. 3 (2018): 271–78. http://dx.doi.org/10.1515/johh-2017-0058.

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AbstractThe coupled transport of pollutants that are adsorbed to colloidal particles has always been a major topic for environmental sciences due to many unfavorable effects on soils and groundwater. This laboratory column study was conducted under saturated moisture conditions to compare the hydrophobic character of the suspended and mobilized colloids in the percolates released from a wettable subsoil and a water repellent topsoil. Both soils with different organic matter content were analyzed for wettability changes before and after leaching using sessile drop contact angles as well as wate
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Cheng-bin Du, Bing Liu, Fei Guo, and Guo-jun Yu. "A New Magnetorheological Composite Gel and Its Controllable Rheological Behaviour." Journal of Modern Mechanical Engineering and Technology 5 (September 11, 2018): 83–91. http://dx.doi.org/10.31875/2409-9848.2018.05.9.

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A series of magnetorheological composite gels (MRCG) were prepared using carbonyl iron powder as the magnetic particles, a complex of methyl silicone oil and gelatin/agaropectin colloids as the matrix and various additives. The rheological behaviour of the samples was tested using a rheometer in rotary and oscillatory shear modes. The results demonstrate that rheological behaviour is significantly dependent on the colloid content of the matrix. The shear yield strength increases with increasing colloid content of the matrix and reaches a maximum of 92.1 kPa. The linear viscoelastic range of th
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Zhang, Yu, Boxin Dou, Jianhui Jia, Ying Liu, and Na Zhang. "A Study on the Structural and Digestive Properties of Rice Starch–Hydrocolloid Complexes Treated with Heat–Moisture Treatment." Foods 12, no. 23 (2023): 4241. http://dx.doi.org/10.3390/foods12234241.

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Rice starch-hydrophilic colloid complexes (SHCs) were prepared by incorporating xanthan gum and locust bean gum into natural rice starch. Subsequently, they underwent hygrothermal treatment (H-SHC) to investigate their structural and digestive properties with varying colloid types and added amounts of H-SHC. The results demonstrated that heat–moisture treatment (HMT) led to an increase in resistant starch (RS) content in rice starch. This effect was more pronounced after the addition of hydrophilic colloid, causing RS content to surge from 8.42 ± 0.39% to 38.36 ± 3.69%. Notably, the addition o
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Lyu, Xin, Ke Yang, Qiang Fu, Zhen Wei, and Shuai Liu. "Experimental Study of Reinforcing Broken Gangues by Colloid Cement Slurry." Shock and Vibration 2021 (April 22, 2021): 1–14. http://dx.doi.org/10.1155/2021/5522809.

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Studies on jet grouting materials mainly focus on the aggregates in cement or the environment where they are maintained and rarely deal with the cohesiveness, reinforcement load-bearing characteristics, and surface spalling. In this study, cement slurries with different colloid contents were prepared to explore the characteristics and reinforcement effect of broken gangues. These were then subjected to mechanical testing to measure the strength and axial strain performance, and the failure modes and failure patterns were discussed. The results indicated that the colloid component has a signifi
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Park, Jong-Min, Chan-Woo Lee, Wan-Sul Lee, et al. "MONTMORILLONITE-REINFORCED NATURAL RUBBER NANOCOMPOSITES THROUGH EMULSION STABILIZATION–DESTABILIZATION METHOD." Rubber Chemistry and Technology 85, no. 2 (2012): 165–79. http://dx.doi.org/10.5254/rct.12.88978.

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Abstract A nanoplatelet of montmorillonite (MMT) was incorporated in the natural rubber (NR) matrix at a high loading content using a newly developed stabilization–destabilization process in the colloid states. Examination of the surface charge of the colloid drops by zeta potential measurement led to the identification of the stable and unstable conditions of the colloid mixture as well as each colloid system as a function of pH. The stabilized mixture of the MMT and NR colloids was subsequently destabilized by changing the pH of the mixture to achieve a well-dispersed and intercalated NR/MMT
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Fan, Shixing, Hu Wen, Duo Zhang, and Zhijin Yu. "Experimental Research on the Performance of the Macromolecule Colloid Fire-Extinguishing Material for Coal Seam Spontaneous Combustion." Advances in Materials Science and Engineering 2019 (August 15, 2019): 1–10. http://dx.doi.org/10.1155/2019/6940985.

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Coal resources are rich in China. They are mainly concentrated in the northwest region. But these resources also make the situation of spontaneous coal combustion hazards most serious in this area. Affected by the arid and semiarid climate, the water resource in this area is relatively scarce. In order to improve the utilization rate of water, a macromolecule colloid for coal mine fire fighting was developed in this research. The main components of the macromolecule colloid and the principle of gel formation were analyzed. The physical and chemical properties of the macromolecule colloid were
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Wang, Jinsheng, Weihai Cai, Rui Zuo, and Can Du. "A Study of Sr Sorption Behavior in Claystone from a Candidate High-Level Radioactive Waste Geological Disposal Site under the Action of FeOOH Colloids." International Journal of Environmental Research and Public Health 19, no. 16 (2022): 9970. http://dx.doi.org/10.3390/ijerph19169970.

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Colloids have a significant influence on the migration of nuclides in claystone, which is an important geological barrier. The sorption of strontium on claystone in the presence of FeOOH colloids was investigated in samples from the Suhongtu site, a candidate high-level radioactive waste disposal site in China. The effects of colloid amount, solid content, and pH were investigated by batch tests, and the sorption reaction mechanism was analyzed by kinetic modeling and microscopic characterization techniques. The results indicate that the sorption of Sr by claystone increased with the solids co
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Ding, Jue, Yu Cheng, Zulin Hua, Cong Yuan, and Xiaoju Wang. "The Effect of Dissolved Organic Matter (DOM) on the Release and Distribution of Endocrine-Disrupting Chemicals (Edcs) from Sediment under Hydrodynamic Forces, A Case Study of Bisphenol A (BPA) and Nonylphenol (NP)." International Journal of Environmental Research and Public Health 16, no. 10 (2019): 1724. http://dx.doi.org/10.3390/ijerph16101724.

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Endocrine-disrupting chemicals (EDCs) that exist in the aquatic system bring severe environmental risks. In this study, we investigate the dissolved organic matter (DOM) effect on the release and distribution of EDCs under varied hydrodynamic conditions. A water chamber mesocosm was designed to simulate the hydrodynamic forces in a shallow lake. The contents of bisphenol A (BPA) and nonylphenol (NP) in colloid-bound and soluble phases were measured under four increasing hydrodynamic intensities that were 5%, 20%, 50%, and 80% of the critical shear stress. The total BPA and NP contents in overl
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Dissertations / Theses on the topic "Colloid content"

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Lundin, Maria. "Adsorption of biopolymers and their layer-by-layer assemblies on hydrophilic surfaces." Doctoral thesis, KTH, Yt- och korrosionsvetenskap, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11058.

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It is widely known that surfaces play an important role in numerous biological processes and technological applications. Thus, being able to modify surface properties provides an opportunity to control many phenomena occurring at interfaces. One way of controlling surface properties is to adsorb a polymer film onto the surface, for example through layer-by-layer (LbL) deposition of polyelectrolytes. This simple but versatile technique enables various polymers, proteins, colloidal particles etc. to be incorporated into the film, resulting in a multifunctional coating. Due to recent legislations
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Bonacci, Francesco. "Contact and macroscopic aging in dense suspensions at the colloidal edge." Thesis, Paris Est, 2019. http://www.theses.fr/2019PESC2047.

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Les suspensions (ou pâtes) colloïdales denses constituent une vaste catégorie de matériaux utilisés dans des domaines allant des systèmes environnementaux (tels que les limons, les argiles) à l'industrie (céramique, boues de forage, boues), à la construction (plâtre, ciments), aux produits alimentaires, aux cosmétiques, aux produits pharmaceutiques. Leur caractéristique la plus remarquable est la thixotropie: une lente évolution des propriétés mécaniques lors du passage du repos à l'écoulement (à densité fixe et sains drainage). Ainsi, leur viscosité sous écoulement, ou leur module de cisaille
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Floge, Sheri Ann. "Seasonal Variations in Colloidal Chromophoric Dissolved Organic Matter (CDOM) in the Damariscotta River Estuary, Maine." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/FlogeSA2005.pdf.

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Silva, Eid Cavalcante da. "Síntese e propriedades ópticas de sistemas coloidais contendo nanopartículas de ouro dispersas em óleo de mamona." Universidade Federal de Alagoas, 2008. http://repositorio.ufal.br/handle/riufal/1096.

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This dissertation of master s degree presents the results and discussions related to the synthesis, characterization, and stability of a new colloidal system containing gold nanoparticles (AuNP) dispersed in castor oil. In parallel, the stability of the system against agglomeration, after addition of other organic solvents in the medium was evaluated. In collaboration with the Laboratory of Optics and Materials of the Institute of Physics of the Federal University of Alagoas, the non linear optical properties of the new colloidal system were evaluated. The colloids were synthesized via wet che
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Bhandari, Khagendra P. "Characterization and Application of Colloidal Nanocrystalline Materials for Advanced Photovoltaics." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1430327894.

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Rio, Emmanuelle. "Gouttes, Flaques et Arches sèches : des lignes de contact en présence d'un écoulement." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2005. http://tel.archives-ouvertes.fr/tel-00010466.

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L'interaction entre des lignes de contact et un écoulement hydrodynamique intervient dans de nombreuses situations industrielles ou fondamentales. Nous etudions la dynamique de gouttes ruisselantes, tout d'abord le long de leur axe de symétrie (Partie I) puis a trois dimensions (Partie II) en mesurant la distribution d'angle de contact autour de cette goutte par réfraction d'une nappe laser et le champ de vitesse a la surface. Nous montrons que la situation est localement à deux dimensions, dans la direction perpendiculaire à la ligne de contact. L'angle de contact ne dépend que de la vitesse
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Setu, Siti Aminah. "Interfacial instabilities and wetting behaviour in confinement." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:7848f713-437b-4be8-b5f8-8232fcd59667.

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Interfacial instabilities and wetting phenomena of phase separated colloid-polymer mixtures are addressed in this study. Colloidal particles offer certain advantages over molecular systems, due to their larger lengthscales and slower timescales. Moreover, the phenomena can be directly visualised using laser scanning confocal microscopy, and a perfect match with soft-lithography fabrication techniques can be exploited. In particular, we study the viscous fingering instability in three dimensions, focusing on the role of wetting conditions and of thermal fluctuations. Combined with results obtai
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Hammond, Christian B. "Real Time Investigations of Aggregation of Sulfur-Rich Asphaltene." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1587405713284981.

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McConville, Patrick James. "A study of water binding, mobility and dehydration in contact lens hydrogels using NMR." Thesis, Queensland University of Technology, 2000. https://eprints.qut.edu.au/37049/6/37049_Digitised%20Thesis.pdf.

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Hydrogel polymers are used for the manufacture of soft (or disposable) contact lenses worldwide today, but have a tendency to dehydrate on the eye. In vitro methods that can probe the potential for a given hydrogel polymer to dehydrate in vivo are much sought after. Nuclear magnetic resonance (NMR) has been shown to be effective in characterising water mobility and binding in similar systems (Barbieri, Quaglia et al., 1998, Larsen, Huff et al., 1990, Peschier, Bouwstra et al., 1993), predominantly through measurement of the spin-lattice relaxation time (T1), the spinspin relaxation time
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Kolacz, Jakub. "Energy Minimization in Nematic Liquid Crystal Systems Driven by Geometric Confinement and Temperature Gradients with Applications in Colloidal Systems." Kent State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=kent1448898699.

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Books on the topic "Colloid content"

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Eric, Dickinson, and Royal Society of Chemistry (Great Britain), eds. Food polymers, gels and colloids: Based on the proceedings of an international symposium organized by the Food Chemistry Group of the Royal Society of Chemistry of Norwich, from 28th-30th March, 1990. Royal Society of Chemistry, 1991.

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Eric, Dickinson, and Royal Society of Chemistry (Great Britain). Food Chemistry Group., eds. Food emulsions and foams: Based on the proceedings of an international symposium organised by the Food Chemistry Group of the Royal Society of Chemistry at Leeds from 24th-26th March 1986. Royal Society of Chemistry, 1987.

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D, Bee R., Richmond P, Mingins J, and Royal Society of Chemistry (Great Britain). Food Chemistry Group., eds. Food colloids: The proceedings of an International Symposium Organized by the Food Chemistry Group of the Royal Society of Chemistry, Unilever Research, Colworth, UK, 13th-15th April 1988. Royal Society of Chemistry, 1989.

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Agency, OECD Nuclear Energy, and Paul Scherrer Institut, eds. Binding models concerning natural organic substances in performance assessment: Proceedings of an NEA workshop organised in co-operation with the Paul Scherrer Institute : Bad Zurzach, Switzerland, 14-16 September 1994. Nuclear Energy Agency, Organisation for Economic Co-operation and Development, 1995.

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T, Teahan James, ed. The Pinocchio of C. Collodi. Schocken Books, 1985.

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Rossi, Ann. Cultures collide: Native American and Europeans, 1492-1700. National Geographic, 2004.

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Belyaev, pavel, Mihail Sokolov, and Viktor Frolov. Recycling of polymer waste to produce composites for road construction. INFRA-M Academic Publishing LLC., 2025. https://doi.org/10.12737/2155924.

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The monograph examines the problem of polymer waste disposal using the example of obtaining polymer-bitumen binders (PBBs) for road construction using large-tonnage packaging waste from high-pressure (low density) polyethylene. The composition of a complex modifier has been developed, in which expensive thermoplastic is partially replaced by cheaper high-pressure polyethylene or its waste. The possibility of obtaining polymer-bitumen binders using such a modifier in cheaper and more reliable standard vertical mixing apparatuses with paddle agitators is substantiated, which reduce energy consum
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Fin, Monica, and Han Steenwijk, eds. Gerasim Zelić e il suo tempo. Firenze University Press, 2019. http://dx.doi.org/10.36253/978-88-6453-979-9.

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Gerasim Zelić (1752-1828) è una delle figure più emblematiche del panorama culturale serbo a cavallo fra Sette e Ottocento. Archimandrita del monastero serbo-ortodosso di Krupa, diplomatico e scrittore, dal 1794 al 1811 Zelić ricoprì la carica di Vicario generale dei serbi di Dalmazia e, come tale, fu uno degli attori principali degli eventi legati alla polemica confessionale che al tempo agitava la regione. La sua autobiografia, intitolata Žitije e pubblicata a Budapest nel 1823, lo colloca inoltre fra i protagonisti di un’epoca cruciale per la nascita della nuova letteratur
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Food polymers, gels, and colloids. Royal Society of Chemistry, 1991.

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Food Polymers, Gels, and Colloids: Based on the Proceedings of an International Symposium Organized by the Food Chemistry Group of the Royal Society (Special ... Society of Chemistry (Great Britain))). Royal Society of Chemistry, 1991.

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Book chapters on the topic "Colloid content"

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Tadros, Tharwat. "Contact Angle." In Encyclopedia of Colloid and Interface Science. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-20665-8_55.

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ElSherbini, A. I., and A. M. Jacobi. "Critical contact angles for liquid drops on inclined surfaces." In Surface and Colloid Science. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b97081.

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Porto, M. F., E. M. Girotto, M. H. Kunita, et al. "Atomic force microscopy, scanning electric potential microscopy and contact-angle surface analysis of low-density polyethylene grafted with maleic anhydride." In Surface and Colloid Science. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b97088.

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Staedler, Thorsten, Katharina Diehl, Regina Fuchs, Jan Meyer, Aditya Kumar, and Xin Jiang. "Nanoindentation Based Colloid Probe Technique: A Unique Opportunity to Study the Mechanical Contact of Individual Micron Sized Particles." In Particles in Contact. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15899-6_15.

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Shchukin, Eugene D. "Some Colloid-Chemical Aspects of the Small Particles Contact Interactions." In Fine Particles Science and Technology. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0259-6_18.

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Abe, Masahiko. "Contact Angle Measurement for Solid Surface." In Measurement Techniques and Practices of Colloid and Interface Phenomena. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-5931-6_18.

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Magee, Kimberly Clauss. "When Human Resources Practices and Organizational Culture Collide: A Performance Management Case Study." In The Cultural Context of Human Resource Development. Palgrave Macmillan UK, 2009. http://dx.doi.org/10.1057/9780230236660_13.

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Soosai, Ananthan, Sivakumar Sivanesan, Suresh Muniandy, and Teow Hsien Loong. "Influence of Zirconia Content to the Mechanical Behaviour of Alumina Zirconia Composite Prepared via Colloidal Method." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3179-6_23.

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Nicklas, Jan, Lisa Ditscherlein, Shyamal Roy, Stefan Sandfeld, and Urs A. Peuker. "Microprocesses of Agglomeration, Hetero-coagulation and Particle Deposition of Poorly Wetted Surfaces in the Context of Metal Melt Filtration and Their Scale Up." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_15.

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AbstractIn this chapter the fundamental principles of the interaction of poorly wetted particles with interfaces of particles and bubbles are investigated in a water-based model system in which the similarity of poor wettability of non-metallic inclusions by molten metal and the poor wettability of silanized metal-oxide-particles by water is utilized. Capillary forces, the presence of nanobubbles and absorption of gas layers accompany the decreased wettability and lead to strong attractive forces. The combined effect of wettability and surface roughness is analyzed in detail, employing a varie
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Kamiya, H., J. Yoneyama, Y. Fukuda, H. Abe, and M. Naito. "Analysis of Anionic Polymer Dispersant in Dense Alumina Suspension with Various Additive Content by Using Colloidal Probe AFM." In Improved Ceramics through New Measurements, Processing, and Standards. The American Ceramic Society, 2012. http://dx.doi.org/10.1002/9781118371480.ch9.

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Conference papers on the topic "Colloid content"

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Kolencik, Marek, David Ernst, Martin Sebesta, Viktor Straka, and Luba Durisova. "IMPACT OF COLLOIDAL PROPERTIES OF PHOSPHORUS-BASED NANOFERTILIZERS IN FOLIAR APPLICATION ON PRODUCTION PARAMETERS, PHYSIOLOGY, AND MINERAL NUTRIENT CONTENT OF SUNFLOWER." In SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/6.1/s24.16.

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In contemporary agricultural practice, ensuring sufficient bioavailable macronutrients, particularly phosphorus, for plants in phosphorus-deficient soils remains a significant challenge. As a promising alternative, the application of phosphate-calcium-based nanofertilizers (NFs), with or without zinc, emerges as a suitable solution, offering targeted effects through foliar dispersion. However, current knowledge gaps persist regarding the development and colloidal properties of applied NFs and their impact on sunflower (Helianthus annuus L.), a globally significant oilseed crop known for its br
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Shishkov, Toma, and Emil Dimitrov. "SOIL PROPERTIES OF CHROMIC LUVISOLS FROM KREMIKOVTSI AREA IN SOFIA MUNICIPALITY." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s13.24.

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The result of the survey carried out on the territory of the Sofia-city municipality is presented, in relation to the application of the Program for the protection, sustainable use and restoration of soils as a limited and non-renewable natural resource. The obtained data on the Chomic Luvisols nearby the area of Kremikovtsi debate the basic physical and chemical soil characteristics. The priority task on the soil protection in the region aimed at the sustainable development, restoration and improvement of the soil resource. To fulfill this aim, samples from soil profile and additional sites f
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Hariharan, Krishnan, Qiang Liu, Luigi Esposito, and Shoba Kanda. "Organics Fouling and Associated Corrosion in Field SAGD Boilers." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00185.

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Abstract For oil sands reservoirs in Canada, Steam Assisted Gravity Drainage (SAGD) has been widely used for in-situ bitumen production. Boiler feed water (BFW) is utilized for steam generation in Once Through Steam Generator (OTSG). As the main source of BFW (~85%), produced water (PW) separated from produced emulsion is treated to lower the content of silicates, oil and grease, and clays, and is softened by anionic cation resin. However, it is hard to remove the colloidal/dissolved organic compounds, which causes fouling and corrosion issues in the boilers and boiler external piping. Unlike
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Wagberg, Lars, Lars Winter, and Tom Lindstrom. "Determination of Ion-Exchanged Capacity of Carboxymethylated Cellulose Fibers Using Colloid and Conductometric Titrations." In Papermaking Raw Materials, edited by V. Punton. Fundamental Research Committee (FRC), Manchester, 1985. http://dx.doi.org/10.15376/frc.1985.2.917.

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The carboxyl group content of a series of carboxymethylated pulps has been determined by a colloid titration method, by conductometric titration and by means of 14C-labelling and the values obtained by the different methods have been compared. It is shown that, under certain experimental conditions, the colloid titration method can be used to determine the carboxyl group content of cellulose fibers.
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Yudin, I. K., G. L. Nikolaenko, E. E. Gorodetsky, and V. I. Kosov. "Colloid Aggregation Kinetics in Opaque Petroleum Mixtures." In Photon Correlation and Scattering. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/pcs.1996.saa.1.

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The general problem of enhancing the oil recovery is directly connected with the problem of decreasing the viscosity of the crude oil. The complex colloid-like structures are responsible for the viscosity of oil. Asphaltenes are the main surfactant components of a heavy oil fraction, capable of forming the colloid structures. The content of asphaltenes in different crude oils varies in a wide range and accounts for 25-30 % of weight. The study of asphaltene aggregation kinetics is a reliable way for investigation of colloid properties of crude oil [1]. We studied this process in toluene/heptan
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Cardenas, J. C., M. G. Jaimes, R. Castillo, et al. "Nanofluids as a Promising Solution for Stabilizing Asphaltenes and Improving Oil Recovery in Mature Fields." In SPE International Conference and Exhibition on Formation Damage Control. SPE, 2024. http://dx.doi.org/10.2118/217929-ms.

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Abstract The objectives of this study are to investigate the potential of nanofluids in stabilizing asphaltenes and enhancing oil recovery in mature fields. The research involves evaluating nanofluid colloid stability, characterizing formation fluid properties, assessing nanofluid-crude oil interaction, and examining its interaction with the rock matrix. By addressing these objectives, we contribute to understanding the practical application of nanofluids in mitigating asphaltene challenges and improving oil production in mature fields. The overall approach of this study involves conducting a
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Denton, Mark S., and William D. Bostick. "New Innovative Electrocoagulation (EC) Treatment Technology for BWR Colloidal Iron Utilizing the Seeding and Filtration Electronically (SAFE™) System." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7186.

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The presence of iron (iron oxide from carbon steel piping) buildup in Boiling Water Reactor (BWR) circuits and wastewaters is decades old. In, perhaps the last decade, the advent of precoatless filters for condensate blow down has compounded this problem due to the lack of a solid substrate (e.g., powdex resin pre-coat) to help drop the iron out of solution. The presence and buildup of this iron in condensate phase separators (CPS) further confounds the problem when the tank is decanted back to the plant. Iron carryover here is unavoidable without further treatment steps. The form of iron in t
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Amme, M., H. Lang, and M. Sto¨ckl. "Different Pathways of Secondary Phase Formation Induced by Colloidal and Dissolved Silica During the Dissolution of UO2 Nuclear Fuel in Leaching Tests." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4504.

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We investigated the different dissolution behaviour of UO2 nuclear fuel material in waters containing silica in two different physical and chemical forms (dissolved ions and as SiO2 colloids, respectively) at elevated temperatures (95 °C in autoclaves). It was investigated if SiO2 colloids can act as carrier material for U ions during a interface geochemical dissolution process, a process that might possibly enhance the mobilization of uranium. Herefore, leaching / dissolution tests were conducted in batch reactors, using both dissolved Si (sodium metasilicate solution), as well as synthetic S
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Fameau, Anne-Laure. "Edible oleofoams stabilized by fatty acid and fatty alcohol crystalline particles." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/isqv7867.

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Liquid foams are colloidal systems based on gas bubbles dispersed in a liquid continuous phase. Two different categories of foams exist: aqueous or non-aqueous. In contrary to aqueous foams, which have been extensively studied, non-aqueous foams represent a new promising emerging field, especially for edible applications [1]. Oleofoams based on edible oils are more difficult to obtain in comparison to aqueous foams due to the lower surface-activity of most edible emulsifiers at the oil-air interface in comparison to air-water interface [2]. Nevertheless, the fundamental research in this area i
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Zhang, Jianming, Xiaolin Wang, Lei Shi, et al. "Prediction of Crude Oil Viscosity for Pipeline Operation Safety Using Optimized GRNN Model." In ASME 2023 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/pvp2023-106016.

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Abstract In the whole process of crude oil storage and transportation, the obtaining of the viscosity of crude oil timely and accurately is very important for the safe operation of crude oil pipelines. This paper proposes a new method to predict crude oil viscosity based on Generalized Recurrent Neural Network (GRNN), Particle Swarm Optimization (PSO) and K-Means Clustering Algorithm, which are different from the normal measurement in the laboratory. Feature selection, focusing on obtaining most closely related components to the viscosity of crude oil at 50 °C from the content of Kantian resid
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Reports on the topic "Colloid content"

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Wallach, Rony, Tammo Steenhuis, Ellen R. Graber, David DiCarlo, and Yves Parlange. Unstable Flow in Repellent and Sub-critically Repellent Soils: Theory and Management Implications. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7592643.bard.

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Water repellency causes unstable wetting fronts that result in water moving in preferential flowpaths through homogeneous soils as well in structured soils where macropores enhance the preferential flow pattern. Water repellency is typically associated with extended water ponding on the soil surface, but we have found that repellency is important even before the water ponds. Preferential flow fingers can form under conditions where the contact angle is less than 90o, but greater than 0o. This means that even when the soil is considered wettable (i.e., immediate penetration of water), water dis
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