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Добірка наукової літератури з теми "Solution concentration"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Solution concentration"

Sukprasong, Saksit, Yongyut Manjit, Apichart Limpichaipanit, and Athipong Ngamjarurojana. "Inner Filter Effect on Fluorescence Dyes Spectra in Methanol Solution." Key Engineering Materials 675-676 (January 2016): 704–7. http://dx.doi.org/10.4028/www.scientific.net/kem.675-676.704.

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This research was conducted to study the inner filter effect on the fluorescence spectra of fluorescence dyes. The concentration effect on all of fluorescent dye solutions showed the same trend in terms of changes in fluorescence intensity spectra. At low concentrations, the fluorescence intensity increased when the concentration of fluorescent dye solution increased. However, at high concentrations, the fluorescence intensity decreased when the concentration of fluorescent dye solution increased. Interestingly, the result of fluorescence spectra in dye solutions showed that the fluorescence i

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Tang, Qingnong, Peter A. Munro, and Owen J. McCarthy. "Rheology of whey protein concentrate solutions as a function of concentration, temperature, pH and salt concentration." Journal of Dairy Research 60, no. 3 (1993): 349–61. http://dx.doi.org/10.1017/s0022029900027692.

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SummaryRheological properties of whey protein concentrate (WPG) solutions were studied in steady shear, using a Bohlin VOR Rheometer, as a function of concentration, temperature, shear rate, shearing time, pH, salt type, salt concentration and solution age. At 22 °C and pH 7, the WPC solutions exhibited Newtonian behaviour up to a concentration of 10% total solids, pseudoplastic behaviour between 10 and 30% and time-dependent shear thinning at 35% and above. The apparent viscosity of solutions at 22 °C and pH 7 was linearly related to concentration up to 8%. The effect of temperature on appare

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Asadova, A. H., and E. A. Masimov. "The solution-gel phase transition in aqueous solutions of agarose." Modern Physics Letters B 35, no. 08 (2021): 2150147. http://dx.doi.org/10.1142/s0217984921501475.

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Thermal hysteresis and stability of agarose–water gelling systems were studied by the spectrophotometer for different concentrations at different temperatures. Gelation temperature depends on the concentration of agarose. With the increase in the concentration of agarose gelation temperature, strength of agarose increases too. With the increase in the concentration of polymer solvent–gel phase transition, gel melting happens at higher temperatures. The price of enthalpy was determined (150.0127 KC/mol). In gelation process, the phase separation is completed and in this process, the value of th

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Evans, William B., and Darryl D. Warncke. "PHOSPHORUS UPTAKE BY SIX POTATO CULTIVARS." HortScience 27, no. 6 (1992): 614d—614. http://dx.doi.org/10.21273/hortsci.27.6.614d.

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Six potato cultivars (Atlantic, Sebago, Onaway, Russet Burbank, Lemhi Russet,and Norland) were evaluated for phosphorus uptake efficiency in solution culture. Individual rooted cuttings of each cultivar were transferred from a standard 1/5 Hoagland's solution into solutions containing one of six P concentrations (0.05,0.1,0.22,0.5,1.1 and 2.3mg/l). After a 24h adjustment period P uptake was followed over a 6h period by collecting solution aliquots every two hours. All cultivars depleted the two lowest initial P concentrations to similar stable P concentration. The P uptake rate per unit length

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Batko, Kornelia M., Izabella Ślęzak-Prochazka, Andrzej Ślęzak, Wioletta M. Bajdur, and Radomir Ščurek. "Modelling of the Electrical Membrane Potential for Concentration Polarization Conditions." Entropy 24, no. 1 (2022): 138. http://dx.doi.org/10.3390/e24010138.

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Based on Kedem–Katchalsky formalism, the model equation of the membrane potential (Δψs) generated in a membrane system was derived for the conditions of concentration polarization. In this system, a horizontally oriented electro-neutral biomembrane separates solutions of the same electrolytes at different concentrations. The consequence of concentration polarization is the creation, on both sides of the membrane, of concentration boundary layers. The basic equation of this model includes the unknown ratio of solution concentrations (Ci/Ce) at the membrane/concentration boundary layers. We pres

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Chuang, Ya-Ching, and Yao-Chien Alex Chang. "The Role of Soluble Sugars in Vase Solutions during the Vase Life of Eustoma grandiflorum." HortScience 48, no. 2 (2013): 222–26. http://dx.doi.org/10.21273/hortsci.48.2.222.

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The vase life of Eustoma cut flowers can be extended by adding sugars to the vase solution, but the exact role of sugars and how they are translocated in tissues are not clear. Thus, we observed the preserving effect of different sugars in vase solutions on Eustoma and compared sugar concentrations in vase solutions and in the flowers as well as stems and leaves of cut flowers in a solution containing 200 mg·L−1 8-hydroxyquinoline sulfate (8-HQS) with and without 20 g·L−1 sucrose during different flowering stages. Inclusion of glucose, fructose, or sucrose in the vase solution extended the vas

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García-Santiago, Valdez-Aguilar, Cartmill, Cartmill, Juárez-López, and Díaz-Pérez. "Subirrigation of Container-Grown Tomato I: Decreased Concentration of the Nutrient Solution Sustains Growth and Yield." Water 11, no. 10 (2019): 2064. http://dx.doi.org/10.3390/w11102064.

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Subirrigation of containerized vegetable crops is a promising strategy to increase water and fertilizer use efficiency. However, the nutrient solution may cause salts accumulation in the substrate top layer. The objective of this study was to determine the effect of nutrient solution concentration in container-grown tomato under surface drip-irrigation and subirrigation. The plants were irrigated with solutions at concentrations of ‒0.072, ‒0.058 and ‒0.043 MPa (100%, 80% and 60% of Steiner’s nutrient solution, respectively). Except at the highest concentration, the greatest yields occurred in

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Jia, Jing Chao, Huan Li, and Qing Tao Bi. "The Influence of Concentration of Pore Water Solution on the Swelling Characteristics of Expansive Soils." Applied Mechanics and Materials 238 (November 2012): 427–30. http://dx.doi.org/10.4028/www.scientific.net/amm.238.427.

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The influences of pore water solution concentration on the swelling properties of expansive soils were studied using the constant volume swelling pressure experiments and swelling ratio experiments under load. The results indicate that the swelling pressures decrease with the increase of solution concentration. Two specimens made by the same solutions concentration were immersed into solutions with two various concentrations to prepare specimen, one is smaller than the concentration of solution, and the other is same to that. The results show that the swelling pressures and the swelling strain

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Liu, Ziqian, Seeram Ramakrishna, Ifty Ahmed, Chris Rudd, and Xiaoling Liu. "Rheological, Surface Tension and Conductivity Insights on the Electrospinnability of Poly(lactic-co-glycolic acid)-hyaluronic Acid Solutions and Their Correlations with the Nanofiber Morphological Characteristics." Polymers 14, no. 20 (2022): 4411. http://dx.doi.org/10.3390/polym14204411.

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In this study, solutions were prepared with fixed concentrations of hyaluronic acid (HA) but varied concentrations of poly (lactic-co-glycolic acid) (PLGA) to emphasize the effects of PLGA concentration and HA addition on solution properties and to further evaluate their electrospinning performance. The dependence of specific viscosity on PLGA concentration was studied to determine the concentration regimes and evaluate the critical concentration (Ce) for successful fiber generation. The Ce of PLGA solutions is 12.07% compared to 10.09% for PLGA-HA solutions. Blending with HA results in a lowe

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Chiang, Chia-Chin, and Jian-Cin Chao. "Whispering Gallery Mode Based Optical Fiber Sensor for Measuring Concentration of Salt Solution." Journal of Nanomaterials 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/372625.

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An optical fiber solution-concentration sensor based on whispering gallery mode (WGM) is proposed in this paper. The WGM solution-concentration sensors were used to measure salt solutions, in which the concentrations ranged from 1% to 25% and the wavelength drifted from the left to the right. The experimental results showed an average sensitivity of approximately 0.372 nm/% and anR2linearity of 0.8835. The proposed WGM sensors are of low cost, feasible for mass production, and durable for solution-concentration sensing.

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Дисертації з теми "Solution concentration"

Major, Jacqueline. "A solution concentration model for CIP simulation." Thesis, Cape Technikon, 2001. http://hdl.handle.net/20.500.11838/871.

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Thesis (MTech (Chemical Engineering))--Cape Technikon, Cape Town, 2001.<br>Carbon-in-pulp technology is used extensively in the mining industry to recover metal cyanides from solution. Also this technology has found increasing application in the gold mining sector, replacing the less efficient zinc precipitation procedure. The extensive use of carbon in such processes have prompted many researchers to investigate the mechanism of metal cyanide adsorption. Not only has this provided many viable theories in the understanding of the mechanism, but has also led to an improved understanding of

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Lam, Luk Sang. "Flow conductivity of solutions of hyaluronic acid : effects of concentration and molecular weight." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28494.

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Hyaluronic acid plays an important role in regulating the transport of fluid and solutes in the interstitium. The concentration and molecular weight of hyaluronic acid in different connective tissues are different. These factors influence the hydraulic flow conductivity, K', of connective tissues. An experimental study of the effect of concentration and molecular weight of hyaluronic acid on the hydraulic flow conductivity is the subject of this work. Hyaluronic acid of different molecular weights were obtained by fractionating commercially available hyaluronic acid using ion-exchange column

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Tao, Jing. "Effects of Molecular Weight and Solution Concentration on Electrospinning of PVA." Digital WPI, 2003. https://digitalcommons.wpi.edu/etd-theses/889.

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"The effects of molecular weight (Mw) and concentration (c) on the structure of electrospun PVA have been studied. Experiments have been conducted for Mw values ranging from 9000 g/mol to 124,000 g/mol. The concentration was varied from 5 to 35 wt %. Data were acquired for several solvents including water, Dimethyl Sulfoxide, Ethylene Glycol and N-Methyl Pyrrolidone. The transient phenomena occurring during jet breakdown were examined by high speed digital photography. The structure in the electrospun polymer was analyzed by scanning electron microscopy. The fiber diameter distribution f

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Hopkinson, Jonathan M. "Glass transition, ice and the concentration of the maximally freeze concentrated solution the thermal behavior of sugar solutions /." Ann Arbor, MI : UMI, 1997. http://www.ethbib.ethz.ch/readme/ethz-etext.html.

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Wu, Min. "Effect of Nutrient Solution Electrical Conductivity Levels on Lycopene Concentration, Sugar Composition and Concentration of Tomato (Lycopersicon esculentum Mill.)." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/195203.

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Tomato is an important commodity in fresh vegetable market. Recently, there is great interest for North American hydroponic growers to improve the fruit quality by introducing better cultivation methods. Manipulation of electrical conductivity (EC) of nutrient solution is a well-known technique to increase sugar concentrations of tomato; however, the potential risk of lower yield is the drawback of introducing this technique. Therefore to find a range of EC that can enhance the fruit quality while maintaining overall yield was the goal of this research. For this purpose, plant physiologic

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Проценко, Сергій Іванович, Сергей Иванович Проценко, Serhii Ivanovych Protsenko та ін. "Тemperature and Concentration Dependences of Anisotropic Magnetoresistance Film Materials". Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42726.

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In framework the phenomenological approach the question of the temperature dependence of anisotropic magnetoresistance (AMR) at the fixed value inducing an external magnetic field (B) and the concentration dependence of AMR at the fixed B and T were analyzes. The obtained ratio to assess and predict the magnitude of thermal and concentration coefficients of AMR, virtually can not be done in the classical model, since it allows complex ratio with many uncertain parameters.

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Pape, Alicia Richelle. "Influence of Solvent Removal Rate and Polymer Concentration on Ordering Kinetics of Block Copolymers in Solution." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/85438.

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An examination of the ordering process of block copolymer microstructure with respect to concentration was performed. Specifically, the process of solution casting block copolymer films was studied using small-angle X-ray scattering (SAXS). A method for determining the volume fraction of ordered phase in solution as the system dried was developed and used to analyze the solution casting process in several different block copolymer films in the neutral solvent toluene; these polymers include poly(styrene-b-butadiene), poly(styrene-b-isoprene-b-styrene), poly(styrene-b-butadiene-b-styrene), and

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Merlin, Aurore. "Cinétiques de concentration de suspensions colloïdales par évaporation microfluidique : de la solution diluée aux cristaux colloïdaux." Phd thesis, Bordeaux 1, 2010. http://tel.archives-ouvertes.fr/tel-00564692.

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Cette thèse est consacrée à l'étude de processus de concentration de solutions colloïdales par voie microfluidique, pour former des matériaux denses et structurés. A partir d'un outil basé sur la perméation de l'eau à travers le PDMS : le microévaporateur, nous proposons de contrôler le séchage de solution pour maîtriser la concentration de solutés afin de former des états denses organisés au choix, alternant cristaux et états amorphes de colloïdes. En adaptant les outils de microévaporation à différentes techniques d'observations, la nucléation et la croissance d'états denses ont été finement

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Hamzah, Khaidzir. "A study on the effects of solution concentration, surface finish and corrosion processes on electrochemical noise." Thesis, University of Manchester, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515142.

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The aims of this research were to study the effects of electrolyte concentration, surface finish of samples and different types of corrosion on electrochemical noise. Basically, electrochemical noise is a term used to describe the spontaneous fluctuations of potential or current at electrode surfaces in electrochemical processes. In order to achieve the research aims, several experiments involving different corrosion systems were carried out. The corrosion systems were chosen to produce known types of corrosion. For the effects of varying electrolyte concentration on uniform corrosion, two sys

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Wang, Hui. "Interfacial and Solution Characterization of Rhamnolipid Biosurfactants and their Synthetic Analogues." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/217062.

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Rhamnolipid (RL) biosurfactants have been considered "green" alternatives to synthetic surfactants. Here, systematic studies of monorhamnolipids (mRLs) and their synthetic analogues are performed to characterize their interfacial and solution behaviors as surfactants. Chemical structure-surface activity relationships of rhamnolipids were probed using surface tension measurements on RLs and a series of their synthetic analogues designed by "truncation modification." Based on our study on RLs and the rationally-designed RL analogues, the key structural factor responsible for the excellent surfac

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Книги з теми "Solution concentration"

1952-, Myerson Allan S., and United States. National Aeronautics and Space Administration., eds. Concentration dependence of solution shear viscosity and solute mass diffusivity in crystal growth from solutions. National Aeronautics and Space Administration, 1995.

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Annette, Wieviorka, ed. Auschwitz: La solution finale. Tallandier, 2005.

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Wilkinson, R. Allen. Raman intensity as a probe of concentration near a crystal growing in solution. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1989.

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Mendelsohn, John. The "final solution" in the extermination camps and the aftermath. Lawbook Exchange, 2009.

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Mendelsohn, John. The "final solution" in the extermination camps and the aftermath. Lawbook Exchange, 2009.

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McGlynn, P. High concentration metal soap solutions. UMIST, 1992.

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Ludmila, Čermáková-Nesládková, and Ostravská univerzita v Ostravě. Filozofická fakulta., eds. Mezinárodní vědecká konference: Akce Nisko v historii "konečného řešení židovské otázky" k 55. výročí první hromadné deportace evropských Židů : sborník referátů ... = International academic conference : the case Nisko in the history of the "Final solution of the Jewish problem" in commemoration of the 55th anniversary of the first deportation of Jews in Europe : proceedings. Filozofická fakulta Ostravské univerzity, 1995.

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Juan, Carlos G. Designing Microwave Sensors for Glucose Concentration Detection in Aqueous and Biological Solutions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76179-0.

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Selwyn, Lyndsie. Analysis of the chloride ion concentration in aqueous solutions by potentiometric titration. Canadian Conservation Institute, 2001.

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Частини книг з теми "Solution concentration"

McMahon, Patrick E., Rosemary F. McMahon, and Bohdan B. Khomtchouk. "Solution Concentration, Molarity, and Solution Stoichiometry." In Survival Guide to General Chemistry. CRC Press, 2019. http://dx.doi.org/10.1201/9780429445828-11.

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Derzhanski, A., S. Panayotova, G. Popov, and I. Bivas. "Influence of Dissolved Additives on the Critical Micellar Concentration of Surfactants." In Surfactants in Solution. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-1831-6_26.

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Gambi, C. M. C., L. Léger, and C. Taupin. "Experimental Evidence of a Nonuniform Microemulsion in the Low Surfactant Concentration Range." In Surfactants in Solution. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4615-7990-8_9.

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Kuzmina, Liudmila I., and Yuri V. Osipov. "Inverse Filtration Problem of a Bidisperse Suspension." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4355-1_56.

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AbstractFiltration problems of suspensions and colloids in porous media are considered when designing tunnels and underground structures. To strengthen weak soil, a liquid solution is injected into the rock, the particles of which are filtered in the pores and distributed far from the well. A deep bed filtration model of 2-particle suspension in a porous material is considered. The purpose of the work is to determine the model parameters from the measured outlet concentration of suspended particles. Using an explicit solution to the direct filtration problem on the concentration front, the inv

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Moudgil, Brij M., and Dursun Ince. "Role of pH and Collector Concentration in Separation of Phosphates from Dolomitic Gangue Using DDA-HC1." In Surfactants in Solution. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4615-7990-8_35.

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Amin, Nor Azrita Mohd, Mohd Bakri Adam, and Ahmad Zaharin Aris. "Extreme Value Theory for Modeling and Prediction of High PM10 Concentration in Johor." In From Sources to Solution. Springer Singapore, 2013. http://dx.doi.org/10.1007/978-981-4560-70-2_58.

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Grosso, Jorge L., Maria I. Briceńo, Jose Paterno, and Ignacio Layrisse. "Influence of Crude Oil and Surfactant Concentration on the Rheology and Flowing Properties of Heavy Crude Oil-in-Water Emulsions." In Surfactants in Solution. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-1833-0_41.

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Shogren, R. L., A. M. Jamieson, and J. Blackwell. "Studies of PSM in Aqueous Solution Near the Overlap Concentration." In Microdomains in Polymer Solutions. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2123-1_12.

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de Weerdt, Klaartje, Barbara Lothenbach, Miriam E. Krüger, Maxime Ranger, and Andreas Leemann. "Impact of SCMs on Alkali Concentration in Pore Solution." In RILEM Bookseries. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-59419-9_1.

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Sengers, J. V., R. W. Gammon, and J. M. Ortiz de Zárate. "Thermal-Diffusion Driven Concentration Fluctuations in a Polymer Solution." In Computational Studies, Nanotechnology, and Solution Thermodynamics of Polymer Systems. Springer US, 2002. http://dx.doi.org/10.1007/0-306-47110-8_4.

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Тези доповідей конференцій з теми "Solution concentration"

Gao, Jie, and David J. Quesnel. "Stress Corrosion Cracking of Sensitized AA5083 in NaCl Solution." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11284.

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Abstract In this study, commercial AA5083 aluminum alloy was sensitized at 175oC in order to create a two-phase microstructure that is highly susceptible to stress corrosion cracking (SCC). To characterize the SCC behavior of these sensitized AA5083 alloy in NaCl solution, open circuit continuous immersion SCC tests were conducted on pre-cracked double cantilever beam (DCB) specimens with an initial stress intensity factor (KI) of 15 ksiin (16.5 MPam) in NaCl solutions with five different concentrations, i.e. 0.01, 0.1, 0.6, 1, and 3 mol/L. Three SCC characteristics, incubation time, initial c

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Hou, Zeyu, Song Lin, Enkang Wu, and Junge Liang. "A Chipless RFID Sensor for Ethanol Solution Concentration Detection." In 2024 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT). IEEE, 2024. https://doi.org/10.1109/rfit60557.2024.10812435.

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Huang, Her-Hsiung, and Wen-Ta Tsai. "Cracking Characteristics of Alloy 690 in Thiosulfate Containing Chloride Solution." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99442.

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Abstract The cracking characteristics of Alloy 690 in deaerated 1wt% NaCl solution with different Na2S2O3 concentrations, namely 0.01, 0.1, 0.2 and 0.5 M, at controlled anodic potentials was investigated by using slow strain rate testing (SSRT) with a strain rate of 1 x 10-6 s-1. The results showed that the ultimate tensile strength and the ductility increased with increasing the concentration of Na2S2O3 at the same anodic potential, but decreased with increasing potential at a fixed concentration of Na2S2O3 Pitting corrosion could occur on Alloy 690 in 1wt% NaCl solution with the concentratio

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Vazquez, R. C., G. Rios, A. Trejo, R. E. Rincon, J. Uruchurtu, and J. M. Malo. "The Effect of Diethanolamine Solution Concentration in the Corrosion of Steel." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00696.

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Abstract In the natural gas sweetening process, amine aqueous solutions are used to absorb CO2 and H2S acid gases. The resultant solution, that is the mixture of acid gases and amines, causes severe corrosion problems in process equipment such as the amine regenerating tower. In the present work the effects of concentration and residence time of diethanolamine were studied in the corrosion of 1010 steel. Electrochemical noise measurements (ENM) was used and correlated with weight loss and surface attack inspection. Tests were performed in a closed loop flow system simulating hydrodynamic condi

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Fu, Xinqiao, Jin Li, and Xiang Chen. "Numerical Simulation for Changes of Glucose Concentration and Hemoglobin Concentration in a Closed Tissue Solution System." In 2024 17th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI). IEEE, 2024. https://doi.org/10.1109/cisp-bmei64163.2024.10906270.

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Desai, P. S., and S. M. Kapopara. "Inhibitory Action of Xylenol Orange on Aluminum Corrosion in Hydrochloric Acid Solution." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01101.

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Abstract The purpose of this paper is to study the inhibition effect of xylenol orange on the corrosion of aluminum (2S Grade) in 0.4 -0.6 M HCl over the temperature range of 40-60°C. It also attempts to correlate both thermodynamic parameters and kinetic parameters with the inhibition effect. The inhibition efficiencies of xylenol orange are investigated by weight loss and potentiodynamic polarization methods. The corrosion rate of aluminum decreases with increasing inhibitor concentrations and the efficiency of inhibition increases with increasing concentration of inhibitor up to almost 87%

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Hoffman, E. N., P. E. Zapp, B. J. Wiersma, and K. H. Subramanian. "Inhibiting Localized Corrosion in Mild Carbon Steel." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09432.

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Abstract Controls on the solution chemistry are in place to prevent the initiation and propagation of pitting and stress corrosion cracking in high level waste (HLW) tanks. These controls are based upon a series of experiments performed using simulated solutions on materials used for construction of the tanks, namely ASTM A537 carbon steel. An experimental program was undertaken to investigate reducing the minimum molar nitrite concentration required to confidently inhibit pitting. The experimental results and conclusions provided herein will support a statistical basis to quantify the probabi

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Lasebikan, B. A., A. R. Akisanya, W. F. Deans, D. E. Macphee, and L. Boyle. "The Effect of Ammonium Bisulfite on Sulfide in Brine/H2S Solution." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10291.

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Abstract Ammonium bisulfite (ABS) is used as an oxygen scavenger by the oil and gas industry in water flood and production systems. ABS is injected into the wellbore production annulus to scavenge any dissolved oxygen in the brine. Such brine used, as part of the well completion process might come into contact with hydrogen sulfide (H2S). The test program evaluated different concentrations of ABS in deaerated deionized water and brine solutions bubbled with H2S. The sulfide level in the deaerated deionized water and brine solutions were measured as a function of the stepwise increase in the AB

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Horvath, J. W., and J. F. Harvey. "Corrosion Effects from High Iron Concentration in Alkaline Chelant Boiler Cleaning." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06536.

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Abstract It has frequently been observed that if the iron concentration in an alkaline chelant boiler cleaning solution reaches a high value when dissolving magnetite, it sometimes continues to increase rapidly and not level, indicating corrosion of the boiler metal. A laboratory study of “runaway iron increases” investigated the cause and the best mitigation methods. Waste chelant solutions with high iron concentrations require extra treatment steps unless evaporation is used for waste disposal.

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Chiang, Ying-Li (Howard), and Michael A. Streicher. "The Effect of Condenser Design on Stress Corrosion Cracking of Stainless Alloys in Boiling Chloride Solutions." In CORROSION 1985. NACE International, 1985. https://doi.org/10.5006/c1985-85353.

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Abstract It has been found that the design of condensers used to reflux boiling chloride solutions for stress corrosion tests on stainless alloys may have a significant effect on the time to cracking. This is a result of the different steady state concentrations of oxygen produced by various types of condensers. The condenser which provides the least amount of preheating before the condensate is returned to the solution establishes the largest concentration of air (oxygen) in the boiling solution and the shortest times to failure by stress corrosion cracking. This has been demonstrated with Mg

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Звіти організацій з теми "Solution concentration"

Rowley, J. K. Concentration increases in the isotopic germanium carrier solutions inferred from solution weights. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/515516.

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Eng, G. Thin-source concentration-dependent diffusion: A full solution. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/6441049.

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Stepinski, D. C., A. J. Youker, and G. F. Vandegrift. Plant-Scale Concentration Column Designs for SHINE Target Solution. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1132244.

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Tobias Wenzel, Tobias Wenzel. Developing a low-cost, high-sensitivity solution for phage concentration detection. Experiment, 2023. http://dx.doi.org/10.18258/50657.

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Terah, E. I. Practical classes in general chemistry for students of specialties «General Medicine», «Pediatrics», «Dentistry». SIB-Expertise, 2022. http://dx.doi.org/10.12731/er0556.13042022.

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Videos of 11 practical lessons on general chemistry are presented. The following topics are considered – chemical thermodynamics and kinetics, chemical equilibrium, methods of expressing the concentration of solutions, electrolyte solutions, pH, buffer solutions, hydrolysis, redox pro-cesses. For each topic, the main theoretical provisions are given, as well as a detailed solution of typical calculation problems is given. The total dura-tion of the video lessons is 8 hours 21 minutes.

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Watson, Mark, Martyn Wilmott, and Brian Erno. GRI-96-0452_2 Stress Corrosion Cracking Under Field Simulated Conditions II. Pipeline Research Council International, Inc. (PRCI), 1997. http://dx.doi.org/10.55274/r0011974.

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The pH of solutions found under disbonded polyethylene tape coatings in the field is generally in the range of 6.5 to 7.5. Electrochemically determining corrosion rates for pipeline steels exposed to neutral pH solutions in this pH range indicate that corrosion rates are too low to account for the observed crack growth rates from field excavation programs. This suggests that for the SCC process to be based on a simple dissolution mechanism then the pH at the crack tip would have to be lower than the bulk solution pH. A computer model was developed to determine solution chemistry changes within

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Saiwan, Chintana. Mesostructural ultra thin silica film formation through admicellar technique. Chulalongkorn University, 2003. https://doi.org/10.58837/chula.res.2003.78.

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Thin silica film formation from adsolubilization of inorganic silica precursors, letra-n-butoxysilane (TBOS) and tetraethyl orthosilicate (TBOS) in admicellar polymerization were studies. Cetyltrimethylammonium bromide (CTAB) at 700 uM and octyl phenol ethoxylate or Triton X-100 at 200 uM were used as surfactant templates for adsolubilizates TBOS and TBOS respectively. For the TBOS/CTAB system, the atomic force microscopy (AFM) topographic images showed fibers, hemispheres and flat layers existing along with increase of surface coverge on the mica surface as the TBOS feed concentration was inc

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Stepinski, Dominique C., and G. F. Vandegrift. Plant-Scale Concentration Column Designs for SHINE Target Solution Utilizing AG 1 Anion Exchange Resin. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1227397.

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Morales-Arteaga, Maria. Uncertainty propagation for the coulometric measurement of the plutonium concentration in CRM126 solution provided by JAEA. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1407930.

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Mihalczo, John. Subcriticality Measurements for a Changing Concentration Uranyl Nitrate Solution Tank by Californium Source-Driven Noise Analysis. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1887710.

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