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Статті в журналах з теми "Hemihydrate de sulfate de calcium"
MATSUI, Hiroshi, Kayoko AMITA, Genzo HASHIZUME, Gin-ya ADACHI, and Jiro SHIOKAWA. "The formation of needlelike .ALPHA.-calcium sulfate hemihydrate from calcium sulfite hemihydrate." NIPPON KAGAKU KAISHI, no. 12 (1987): 2279–85. http://dx.doi.org/10.1246/nikkashi.1987.2279.
Повний текст джерелаLiu, Xian Feng, Jia Hui Peng, Jian Xin Zhang, Ming Zheng Chen та Qian Dong. "Effect of Polycarboxylicacid Plasticizer on Characteristics of α-Calcium Sulfate Hemihydrate". Applied Mechanics and Materials 423-426 (вересень 2013): 1085–89. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1085.
Повний текст джерелаFeng, Yan, Rongxin Guo та Zhiwei Lin. "Effect of Aluminum Sulfate and Succinic Acid on the Growth Law of α-Calcium Sulfate Hemihydrate under Microwave Irradiation". Advances in Materials Science and Engineering 2021 (12 квітня 2021): 1–13. http://dx.doi.org/10.1155/2021/6630638.
Повний текст джерелаMATSUI, Hiroshi, Genzo HASHIZUME, Gin-ya ADACHI, and Jiro SHIOKAWA. "Formation of prismatic .ALPHA.-calcium sulfate hemihydrate during oxidation of calcium sulfite hemihydrate." NIPPON KAGAKU KAISHI, no. 6 (1988): 892–98. http://dx.doi.org/10.1246/nikkashi.1988.892.
Повний текст джерелаWang, Yu Bin, Le Yu, Hua Wang, and Ting Shu He. "Effect of Sodium Citrate on the Hydration Capacity of Hemihydrate Calcium Sulfate Whiskers." Applied Mechanics and Materials 584-586 (July 2014): 1618–21. http://dx.doi.org/10.4028/www.scientific.net/amm.584-586.1618.
Повний текст джерелаLiu, Xian Feng, Jia Hui Peng, Ming Zheng Chen, Leng Bai та Liu Liu. "Effect of Butane Diacid on Crystal Morphology and Reaction Process of α-Calcium Sulfate Hemihydrate in Preparation from Flue Gas Desulphurization Gypsum". Advanced Materials Research 838-841 (листопад 2013): 2681–84. http://dx.doi.org/10.4028/www.scientific.net/amr.838-841.2681.
Повний текст джерелаZhu, Xin Feng, Yu Bin Wang, Xiao Wang, and Liu Shuan Yang. "Integration of Preparation and Stabilization for Hemihydrate Calcium Sulfate Whiskers." Advanced Materials Research 239-242 (May 2011): 3074–77. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.3074.
Повний текст джерелаChen, Chang, Yu Bin Wang, Le Yu, Ying Jie Song, Shan Shan Zhang, and Ai Zhang. "Hydration Ability of Hemihydrate Calcium Sulphate Whiskers with Different Content of Sodium Phosphate." Applied Mechanics and Materials 638-640 (September 2014): 1346–49. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.1346.
Повний текст джерелаWang, Xiao, Yu Bin Wang, Liu Shuan Yang, Xiao Fei Wang, and Jia Kuan Yang. "Stabilization Effect of Sodium Phosphate on Hemihydrate Calcium Sulfate Whiskers." Advanced Materials Research 287-290 (July 2011): 535–38. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.535.
Повний текст джерелаDai, Hao, Shu Peng Zhang, Cheng Lan Ju, and Dong Xu Li. "Influence of Calcium Sulfate Varieties on Properties of Calcium Aluminate Cement-Based Self-Leveling Mortars." Key Engineering Materials 680 (February 2016): 455–61. http://dx.doi.org/10.4028/www.scientific.net/kem.680.455.
Повний текст джерелаДисертації з теми "Hemihydrate de sulfate de calcium"
Chan, Kwok-chu Timmy. "Calcium sulphate hemihydrate effect of humidity in storage /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21129526.
Повний текст джерелаLing, Yuanbing 1970. "Direct preparation of alpha-calcium sulfate hemihydrate from sulfuric acid." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84283.
Повний текст джерелаFor the standard preparation procedure of adding lime into hot sulfuric acid, alpha-hemihydrate grows in the c-axis direction much more rapidly than in other directions ending in the form of fine needle crystals. Also, independent of the shape of the seed particles, the resultant crystals of hemihydrate are needle-shaped, which suggests a "dissolution-recrystallization" mechanism. Upon prolonged equilibration in their acid-preparation solution hemihydrate needle-shape crystals become fibrous and eventually convert to anhydrite. It is believed that uptake of SO42- instead of Ca2+ is the rate-determining step in the hemihydrate crystallization process. The hot SO42--rich environment rendered most of the additives (particularly organic) tried ineffective. Trivalent cations such as Fe3+ and Al3+, are the only ones found to modify the crystal morphology from needle-shape to small "grain" type morphology.
Slow addition of H2SO4 solution to slaked lime - reverse procedure was found to favor the production of alpha-hemihydrate with column-shaped as opposed to needle-shaped crystal morphology within otherwise the same operating window, 0.6--1.1M H2SO4. Preliminary assessment of the properties of the alpha-hemihydrate materials synthesized in this work showed them to compare satisfactorily with other materials produced by conversion of dihydrate to hemihydrate.
Nilles, Vera [Verfasser]. "Insights into the Retarding Mechanism of Linear Sodium Polyphosphates on the Hydration of α-Calcium Sulfate Hemihydrate / Vera Nilles". München : Verlag Dr. Hut, 2012. http://d-nb.info/1021072931/34.
Повний текст джерелаAlvarez-Dalama, Alina 1960. "CALCIUM-SULFITE HEMIHYDRATE CRYSTALLIZATION IN LIQUORS WITH HIGH TOTAL DISSOLVED SOLIDS (GROWTH, SIZE DISTRIBUTION, NUCLEATION, HABIT)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/275528.
Повний текст джерелаRong, Yi. "Formation du sulfate de calcium hémihydrate de type α à partir de gypse par un procédé de dissolution-cristallisation : étude cinétique expérimentale et modélisation". Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEM070/document.
Повний текст джерелаIn mineral or pharmaceutical industry, many transformations of solids in solution (polymorphic or not), take place by the dissolution of the first solid and the crystallization of the second solid. Instead of the traditional drying process, the conversion of gypsum (calcium sulfate dihydrate) to alpha-bassanite (calcium sulphate hemihydrate) can be carried out in aqueous solution by increasing the temperature sufficiently. At this moment, the gypsum becomes more soluble in water than the hemihydrate, which then has the possibility to crystallize. An apparatus and an original procedure have been designed to investigate the sensitivity of the kinetics of transformation and the characteristics of the hemihydrate crystals obtained under its operating conditions. In fact, this dissolution-recrystallization route allows to control the aspect ratio of the hemihydrate crystals, and even their average size and size dispersion, by the choice of its physicochemical conditions such as temperature, pH, use of additives, and seeding the solution with the appropriate hemihydrate particles. Image analysis techniques are developed to identify the aspect ratio of the particles.A kinetic model taking into account the dissolution of gypsum, the nucleation and the growth of calcium sulphate hemihydrate and their equilibrium in aqueous phase and solubility had been developed and the equations of this model are solved with the help of MATLAB software. Coupled with a numerical optimization method, this resolution under MATLAB makes it possible to examine the validity of the assumptions on the selected processes and to identify their kinetic parameters
SIDQUI, MUSTAPHA. "Etude du comportement des osteoblastes et des osteoclastes de rat en culture au contact de biomateriaux a usage odontologique." Paris 7, 1998. http://www.theses.fr/1998PA07GA01.
Повний текст джерела陳國柱 and Kwok-chu Timmy Chan. "Calcium sulphate hemihydrate: effect of humidity in storage." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B21129526.
Повний текст джерелаGirgin, Seref. "Crystallization of alpha-calcium sulphate hemihydrate by aqueous reaction of calcium chloride with sulphuric acid." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=102980.
Повний текст джерелаIn the reactive crystallization study H2SO4 was the limiting reactant added to the CaCl2 solution up to 0.8 SO 4/Ca molar ratio. The nucleation and growth stages were successfully separated via supersaturation control achieved by regulated addition of the limiting reactant in multiple steps. This separation permitted the growth of the homogeneously nucleated crystals within the metastable zone to needle-shaped hexagonal crystals (acicular habit). Upon recycling (seeding) of the product further growth was achieved, producing crystals with 80 mum - volume based mean crystal diameter- or 100-120 mum length and 10-15 mum diameter. Growth of the seed crystals appeared to follow an agglomeration mechanism. However, in the presence of foreign metal cations (in particular divalent, Mg 2+, Fe2+, Ni2+ and trivalent, Al 3+, Fe3+) crystal growth was severely retarded via their apparent adsorption. Some of the metal cations, namely Na+, Ni2+, Al3+ were found to incorporate into the hemihydrate crystal structure to a variable extent from 0.3g/t for Na to 7g/t for Ni and 11g/t for Al. The chloride uptake was less than 10 ppm.
Pierre, Alexandre. "Rhéologie de suspensions concentrées de sulfate de calcium." Phd thesis, INSA de Rennes, 2013. http://tel.archives-ouvertes.fr/tel-00910334.
Повний текст джерелаKuthadi, Sandeep Kumar. "Laboratory Scale Study of Calcium Sulfate Hydration Forms." TopSCHOLAR®, 2014. http://digitalcommons.wku.edu/theses/1467.
Повний текст джерелаКниги з теми "Hemihydrate de sulfate de calcium"
Ragin, Margaret M. Recovery of sulfur from phosphogypsum: Conversion of calcium sulfate to calcium sulfide. Washington, D.C. (2401 E St., N.W., MS #9800, Washington 20241): U.S. Dept. of the Interior, Bureau of Mines, 1990.
Знайти повний текст джерелаRagin, Margaret M. Recovery of sulfur from phosphogypsum: Conversion of calcium sulfate to calcium sulfide. Pgh. [i.e. Pittsburgh] PA: United States Dept. of the Interior, Bureau of Mines, 1990.
Знайти повний текст джерелаGötz-Neunhoeffer, Friedlinde. Modelle zur Kinetik der Hydratation von Calciumaluminatzement mit Calciumsulfat aus kristallchemischer und mineralogischer sicht. Erlangen: Universitätsbund Erlangen-Nürnberg, 2006.
Знайти повний текст джерелаZhang, Zhongjie. Stability of calcium sulfate base course in a wet environment. Baton Rouge, LA: Louisiana Transportation Research Center, 2006.
Знайти повний текст джерелаA, Rice David, ed. Recovery of sulfur from phosphogypsum: Conversion of calcium sulfide to sulfur. [Washington, D.C.]: Bureau of Mines, U.S. Dept. of the Interior, 1990.
Знайти повний текст джерелаA, Tyburczy James, Ahrens T. J. 1936-, and United States. National Aeronautics and Space Administration., eds. Shock-induced devolatization of calcium sulfate and implications for K-T extinctions. [Washington, DC: National Aeronautics and Space Administration, 1993.
Знайти повний текст джерелаA, Tyburczy James, Ahrens T. J. 1936-, and United States. National Aeronautics and Space Administration., eds. Shock-induced devolatization of calcium sulfate and implications for K-T extinctions. [Washington, DC: National Aeronautics and Space Administration, 1993.
Знайти повний текст джерелаA, Tyburczy James, Ahrens T. J. 1936-, and United States. National Aeronautics and Space Administration., eds. Shock-induced devolatization of calcium sulfate and implications for K-T extinctions. [Washington, DC: National Aeronautics and Space Administration, 1993.
Знайти повний текст джерелаHao, Yue-Li. Inhibition of acid production in coal refuse amended with calcium sulfate and calcium sulfite-containing flue gas desulfurization by-products. Columbus, OH: Graduate School, Ohio State University, 1998.
Знайти повний текст джерелаNewton, Peter J. Sodium sulfate corrosion of silicon carbide fiber-reinforced calcium aluminosilicate glass-ceramic matrix composites. Monterey, Calif: Naval Postgraduate School, 1994.
Знайти повний текст джерелаЧастини книг з теми "Hemihydrate de sulfate de calcium"
Gooch, Jan W. "Calcium Sulfate Hemihydrate." In Encyclopedic Dictionary of Polymers, 111. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1844.
Повний текст джерелаDong, Faqin, Hua He, Ping He, Wei Yang, and Longhua Xu. "The Optimal Conditions of Preparation of Phosphogypsum-Based Calcium Sulfate Hemihydrate Whiskers by Hydrothermal Method Using Phosphogypsum." In Springer Geochemistry/Mineralogy, 81–89. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13948-7_9.
Повний текст джерелаBährle-Rapp, Marina. "Calcium Sulfate." In Springer Lexikon Kosmetik und Körperpflege, 83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_1519.
Повний текст джерелаGooch, Jan W. "Calcium Sulfate." In Encyclopedic Dictionary of Polymers, 111. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1842.
Повний текст джерелаGooch, Jan W. "Calcium Sulfate, Anhydrous." In Encyclopedic Dictionary of Polymers, 111. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1843.
Повний текст джерелаGooch, Jan W. "Dead Burned Calcium Sulfate." In Encyclopedic Dictionary of Polymers, 195. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3309.
Повний текст джерелаSumi, Lucy, Ann Corkery, and J. L. Monkman. "Calcium Sulfate Content of Urban Air." In Atmospheric Chemistry of Chlorine and Sulfur Compounds: Proceedings of a Symposium Held at the Robert A. Taft Sanitary Engineering Center, Cincinnati, Ohio, November 4-6, 1957, 69–80. Washington D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm003p0069.
Повний текст джерелаWitkamp, G. J., and G. M. Rosmalen. "Cadmium Incorporation in Calcium Sulfate Modifications." In Environmental Technology, 148–50. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3663-8_18.
Повний текст джерелаVan Driessche, Alexander E. S., Tomasz M. Stawski, Liane G. Benning, and Matthias Kellermeier. "Calcium Sulfate Precipitation Throughout Its Phase Diagram." In New Perspectives on Mineral Nucleation and Growth, 227–56. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45669-0_12.
Повний текст джерелаIwata, H., S. Nishio, and M. Takeuchi. "The Inhibitory Effect of Urinary Heparan Sulfate and Chondroitin Sulfate on Calcium Oxalate Crystal Growth." In Urolithiasis 2, 185–87. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2556-1_60.
Повний текст джерелаТези доповідей конференцій з теми "Hemihydrate de sulfate de calcium"
"Phosphated Superplasticizers as Effective Water Reducing Agent for α-Calcium Sulfate Hemihydrate Systems". У SP-354: Superplasticizers and Other Chemical Admixtures in Concrete - Conference Proceedings. American Concrete Institute, 2022. http://dx.doi.org/10.14359/51736070.
Повний текст джерелаAufort, Julie, and Raffaella Demichelis. "Magnesium impurities decide the structure of calcium carbonate hemihydrate." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.5573.
Повний текст джерелаGibson, Gregory, Max Fazel, and Stephen P. Chesters. "Cleaning Calcium Sulfate in Mine Water Membranes." In The 5th World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2019. http://dx.doi.org/10.11159/mmme19.127.
Повний текст джерелаRodríguez-Sendra, Josep, Noé Jiménez, Rubén Pico, Joan Faus, and Francisco Camarena. "Calcium sulfate setting monitoring with ultrasonic backscattering analysis." In 2019 International Congress on Ultrasonics. ASA, 2019. http://dx.doi.org/10.1121/2.0001093.
Повний текст джерелаMarchal, C., A. Noel, P. Bey, P. Aletti, and M. Nadi. "Use of calcium sulfate for thermoluminescent thermal dosimetry." In 1992 14th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.5760939.
Повний текст джерелаMarchal, Noel, Bey, Aletti, and Nadi. "Use Of Calcium Sulfate For Thermoluminescent Thermal Dosimetry." In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.589656.
Повний текст джерела"Production of Sulfate-Resistant Concrete Containing High-Calcium Fly Ash and Sodium Sulfate Admixture." In "SP-153: Fly Ash, Silica Fume, Slag, and Natural Pozzolans in Concrete Proceedings Fifth International Conference Milwauk". American Concrete Institute, 1995. http://dx.doi.org/10.14359/1068.
Повний текст джерелаAlOtaibi, Fares, Mohammed Dahlan, Abdulaziz AlGhamdi, Almaz Sadykov, and Karim Mechkak. "Mitigation of Calcium Sulfate Scale Deposition During Fracturing Treatments." In SPE Kuwait Oil & Gas Show and Conference. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/198007-ms.
Повний текст джерелаAl-khaldi, Mohammed H., Ahmad AlJuhani, Saleh Haif Al-Mutairi, and Mehmet Nihat Gurmen. "New Insights into the Removal of Calcium Sulfate Scale." In SPE European Formation Damage Conference. Society of Petroleum Engineers, 2011. http://dx.doi.org/10.2118/144158-ms.
Повний текст джерелаAlissa, Faisal M., Norah W. Aljuryyed, Salem A. Balharth, and Matteo Leoni. "Calcium Sulfate Scale Dissolution Efficiency by Various Chemicals Additives." In SPE International Conference and Exhibition on Formation Damage Control. SPE, 2022. http://dx.doi.org/10.2118/208819-ms.
Повний текст джерелаЗвіти організацій з теми "Hemihydrate de sulfate de calcium"
Langton, C., and D. Stefanko. BLENDED CALCIUM ALUMINATE-CALCIUM SULFATE CEMENT-BASED GROUT FOR P-REACTOR VESSEL IN-SITU DECOMMISSIONING. Office of Scientific and Technical Information (OSTI), March 2011. http://dx.doi.org/10.2172/1011327.
Повний текст джерелаCurcio, L. A., and E. F. Somerscales. Pool boiling of enhanced heat transfer surfaces in refrigerant-oil mixtures and aqueous calcium sulfate solutions. Office of Scientific and Technical Information (OSTI), August 1994. http://dx.doi.org/10.2172/10176548.
Повний текст джерелаHao, Y. L., W. A. Dick, R. C. Stehouwer, and J. M. Bigham. Production development and utilization of Zimmer Station wet FGD by-products. Final report. Volume 4, A laboratory study conducted in fulfillment of Phase 2, Objective 1 titled. Inhibition of acid production in coal refuse amended with calcium sulfite and calcium sulfate - containing FGD solids. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/1184771.
Повний текст джерелаPines, Mark, Arieh Bar, David A. Carrino, Arnold I. Caplan, and James A. Dennis. Extracellular Matrix Molecules of the Eggshell as Related to Eggshell Quality. United States Department of Agriculture, 1997. http://dx.doi.org/10.32747/1997.7575270.bard.
Повний текст джерелаCram, Jana, Mary Levandowski, Kaci Fitzgibbon, and Andrew Ray. Water resources summary for the Snake River and Jackson Lake Reservoir in Grand Teton National Park and John D. Rockefeller, Jr. Memorial Parkway: Preliminary analysis of 2016 data. National Park Service, June 2021. http://dx.doi.org/10.36967/nrr-2285179.
Повний текст джерелаShenker, Moshe, Paul R. Bloom, Abraham Shaviv, Adina Paytan, Barbara J. Cade-Menun, Yona Chen, and Jorge Tarchitzky. Fate of Phosphorus Originated from Treated Wastewater and Biosolids in Soils: Speciation, Transport, and Accumulation. United States Department of Agriculture, June 2011. http://dx.doi.org/10.32747/2011.7697103.bard.
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