Academic literature on the topic 'Thaumasit'

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Journal articles on the topic "Thaumasit"

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Yang, Chang Hui, Ben Wan Liu, Xiao Bin Xiang, and Jing Zhang. "The Influence of pH on the Formation and Stability of Thaumasite." Applied Mechanics and Materials 174-177 (May 2012): 268–74. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.268.

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The samples were prepared to study the influence of pH on the formation and stability of thaumasite using Fourier transform infrared and X-ray diffraction to analyze the composition of the samples. The erosion solutions with the pH arranged from 9.5 to 13.5 prepared by sodium bicarbonate, sodium hydroxide and 5% sodium sulfate. The experimental data for three years has been given in the paper. The result of the research indicates that the value of pH at 10.5 is the optimum pH for the forming of thaumasite and when the pH comes up to 11.5, thaumastie can form but it will decompose in the soluti
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Zhang, Feng Chen, Ruo Yu Tang, and Yun Zhao. "Deterioration of Cement Pastes Containing Limestone Powder with Different Fineness Exposed to Sulfate Environment at Low Temperature." Applied Mechanics and Materials 423-426 (September 2013): 1076–80. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1076.

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Limestone filler and aggregates are used widely in cement production and concrete mixing nowadays, which could be connected with thaumasite formation, and lead to a lack of durability further in sulfate environment. This work deals with the deterioration of cement pastes containing 35% w/w limestone powder with different fineness immersed in MgSO4 solution at 5°C±2°C for 15 weeks by. Erosion phases are discussed by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD). Test results show that visual deterioration of three kinds of cement pastes containing 400-mesh, 800-mesh an
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Wang, Feng-Hui, Qiang Xu, Bo-bo Wang, et al. "Isolation, identification and characterisation of the nematophagous fungus Arthrobotrys thaumasia (Monacrosporium thaumasium) from China." Biocontrol Science and Technology 27, no. 3 (2017): 378–92. http://dx.doi.org/10.1080/09583157.2017.1291908.

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DA SILVA, ESTEVAM L. CRUZ, and JAMES E. CARICO. "Revision of the Neotropical nursery-web spider genus Thaumasia Perty, 1833 (Araneae: Lycosoidea: Pisauridae: Thaumasiinae)." Zootaxa 3567, no. 1 (2012): 1. http://dx.doi.org/10.11646/zootaxa.3567.1.1.

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The Neotropical spider genus Thaumasia Perty, 1833 is revised. Seven of the known species are redescribed andillustrated: Thaumasia senilis Perty, 1833 (type-species); T. abrahami Mello-Leitão, 1948; T. annulipes F.O. Pickard-Cambridge, 1903; T. argenteonotata (Simon, 1898); T. heterogyna Chamberlin & Ivie, 1936; T. scoparia (Simon, 1888)and T. velox Simon, 1898. Ten new species from the neotropical region are described and illustrated: T. caxiuana sp.nov., T. onca sp. nov., T. diasi sp. nov., T. xingu sp. nov., T. acreana sp. nov., T. caracarai sp. nov., T. peruana sp.nov., T. hirsutochel
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Li, Chang Cheng, Yan Yao, and Ling Wang. "Rapid Quantitative Identification of Thaumasite." Materials Science Forum 743-744 (January 2013): 186–92. http://dx.doi.org/10.4028/www.scientific.net/msf.743-744.186.

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To establish a quantitative identification method of thaumasite, internal doping method was used to accelerate thaumasite form of sulfate attack (TSA). A cement-limestone powder paste doped 10% of magnesium sulfate was immersed in water at (5±2) °C, while the blank was in 10% magnesium sulfate solution (by weight). Paste corrosion products were analyzed by infrared spectrum (IR), thermal analysis, nuclear magnetic resonance (NMR), and X-ray diffraction (XRD)/Rietveld refinement methods. The results show that the thaumasite formation was successfully accelerated by internal doping method. A lot
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Masárová, Alexandra. "Verification of Synthetic Preparation of Thaumasite." Materials Science Forum 851 (April 2016): 80–85. http://dx.doi.org/10.4028/www.scientific.net/msf.851.80.

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AFt phases – mainly ettringite and thaumasite, as products of sulfate attack in concrete, can cause serious damage to cement binder. The second mentioned, thaumasite CaSiO3∙CaCO3∙CaSO4∙15H2O, is connected to lower temperatures. It is less common and less known. For further research of this mineral, it is fundamental to prepare thaumasite in clear form in laboratory conditions. The aim of this work was to try several possibilities of thaumasite preparation - firstly by burning of mixes consisting of stoichiometric proportions of particular components in thaumasite and secondly by method in suga
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Li, Chang Cheng, Yan Yao, and Ling Wang. "Accelerate Thaumasite Formation in Cement-Limestone Powder Paste by Internal Adding Method." Advanced Materials Research 250-253 (May 2011): 22–27. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.22.

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Cement-limestone powder pastes added with 10% magnesium sulfate, sodium sulfate, and calcium sulfate respectively were stored in water at (5±2) °C to accelerate thaumasite formation. The pastes were inspected visually at intervals. And the formation of thaumasite was identified and confirmed by X-ray diffraction (XRD), infrared spectroscopy (IR), and nuclear magnetic resonance spectroscopy (NMR). The results show that internal adding sulfate in cement-limestone powder paste is an efficient way to accelerate thaumasite formation, and the accelerated effect is magnesium sulfate> sodium sulfat
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Zhang, Feng Chen, Yun Zhao, and Fu Wan Zhu. "Erosion Phases in Two Types of Cement Pastes Containing Limestone Exposed to Sulfate Attack." Applied Mechanics and Materials 584-586 (July 2014): 1182–87. http://dx.doi.org/10.4028/www.scientific.net/amm.584-586.1182.

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Limestone filler and aggregates are used widely in cement production and concrete mixing nowadays, which could be connected with thaumasite formation, and lead to a lack of durability further. This work deals with the sulfate minerals including of thaumasite, ettringite and gypsum in two types of cement pastes containing 35% w/w limestone powder immersed in MgSO4 solution at 5°C±2°C for 15 weeks by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD). Two types of cements were used: (i) ordinary Portland cement (P·O), (ii) typeII Portland cement (P·II). Test results show tha
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Zhang, Ailian, and Linchun Zhang. "Influence of Cement Type and Water-to-Cement Ratio on the Formation of Thaumasite." Advances in Materials Science and Engineering 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/7643960.

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Cement mortar prisms were prepared with three different cement types and different water-to-cement ratios plus 30% mass of limestone filler. After 28 days of curing in water at room temperature, these samples were submerged in 2% magnesium sulfate solution at 5°C and the visual appearance and strength development for every mortar were measured at intervals up to 1 year. Samples selected from the surface of prisms after 1-year immersion were examined by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy. The results show that mortars with sulfate resisting Portland cemen
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Gemrich, Jan, Kateřina Jiroušková, and Karel Kulísek. "Synthesis of Pure Thaumasite." Applied Mechanics and Materials 723 (January 2015): 456–59. http://dx.doi.org/10.4028/www.scientific.net/amm.723.456.

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In this work, synthesis procedures to obtain thaumasite and different influences on its formation were revised. Theoretical background is compiled in this paper from published sources with focus on synthesis of pure thaumasite in laboratory environment.
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Dissertations / Theses on the topic "Thaumasit"

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Skřeček, Miroslav. "Syntetická příprava thaumasitu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240282.

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This thesis deals with problematic of thermodynamic stability of AFt phases. It is focused on studium of mineral thaumasite, mainly its possible ways of synthesis. Specific aim of the task is to prepare thaumasite by hydratation of mineral ternesite in optimal condition and consequential evalution by X-ray diffraction, DTA and SEM.
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Pospíšilová, Klára. "Studium vlastností thaumasitu v dlouhodobém horizontu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372084.

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This thesis deals with monitoring the thermodynamic stability of thaumasite and monitoring it is properties in the long term. The aim was to synthesize thaumasite under different conditions and to evaluate it using X-ray diffraction analysis and thermal analysis.
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Rybová, Alexandra. "Modifikace vlastností portlandských cementů orientovaná na snížení emisí CO2." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226734.

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The thesis is oriented on monitoring of hydration process of portland cement based on fluidized bed ash, firstly on investigation of AFt phases, mainly ettringite and thaumasite. Specific aim of the task is to prepare the scheme of these minerals synthetic preparation and to verify their laboratory preparation by different ways, using methods of RTG-diffraction analysis and scanning electron microscopy.
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Kábrtová, Denisa. "Studium vlastností synteticky připraveného thaumasitu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372197.

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The thesis is focused on the optimization of the thaumasite preparation in the way of ternesite hydration and further comparison of this approach to the other methods. The thaumasite was prepared by three different methods for this purpose - according to Aguilera et al., Purnell and the hydration method of ternesite clinkers. Finally, the X-ray diffraction analysis was particularly used to evaluate the obtained properties and results.
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Hučínová, Lenka. "Studium vlastností synteticky vyrobeného ettringitu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372215.

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Up to present, ettrigite has been prepared by two means in the Institute of Technology of Building Materials and Components of the BUT Faculty of Civil Engineering: originally by the hydration of the yeelimite clinker; recently by the direct synthesis of ettringite from calcium hydroxide and aluminum sulfate, the latter being considered more suitable in qualitative and quantitative terms. This diploma thesis focuses on the comparison of both means, using ettringite produced by the latter as control sample. This endeavor focuses on monitoring the stability of ettringite and its possible convers
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Kolaja, Filip. "Sledování termodynamické stability ettringitu v závislosti na zvolených vnitřních a vnějších parametrech." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392342.

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This diploma thesis is focused on long term monitoring of thermodynamic stability of ettringite under selected conditions and its possible destabilization or transformation into another AFt phase, especially thaumasite. Ettringite samples were made in two ways, by hydrating the yeelimite in the system with the alite and by addition of aluminium sulphate and calcium hydroxide.
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Martykán, Jiří. "Sledování vývoje AFt fází ve směsných portlandských cementech s fluidním popílkem." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240190.

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Křižanová, Lucie. "Studium vlastností ettringitu v dlouhodobém horizontu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372149.

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This thesis is focused on monitoring attributes of ettringite in long term horizon, especially on his thermodynamic stability. Ettringit was prepared in two ways. Firstly, it is a method of hydration of yeelimite, secondly, ettringit is prepared by addition of aluminium sulphate and calcium hydroxide.
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Ďurtová, Aneta. "Sledování termodynamické stability thaumasitu v závislosti na zvolených vnitřních a vnějších parametrech." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392348.

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This thesis deals with thermodynamic stability of thaumasite in dependence on selected external parameters. It focuses on optimizing preparation by ternesite hydration and comparing it with other methods in a suitable environment. Specifically, using the saccharate method, followed by the hydration of ternesite clinkers and the influence of calcium aluminate phases on the stability of thaumasite produced by the hydration of ternesite clinker. Subsequently, the phase composition was evaluated by X-ray diffraction analysis, in some cases by electron microscopy.
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Hrdina, Matěj. "Ověření možnosti syntetické přípravy ettringitu a thaumasitu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227221.

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The work is focused on the possibilities of using FBC fly ash for composite cements, monitoring their hydration processes, especially the creation of AFt phase. The possibility of preparing synthetic ettringite and thaumasite and their detection.
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Books on the topic "Thaumasit"

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Trivizas, Eugenios. Hē thaumastē kamēla. Ekdoseis Ikaros, 2014.

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Group, Thaumasite Expert. The thaumasite form of sulfate attack: Risks, diagnosis, remedial works and guidance on new construction : report of the Thaumasite Expert Group. Department of the Environment, Transport and the Regions, 1999.

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Crammond, Norah J. The thaumasite form of sulfate attack in laboratory-prepared cobcretes. Building Research Establishment, 1996.

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Halliwell, M. A. Avoiding the thaumasite form of sulfate attack, two year report BR385. BRE/CRC, 2000.

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Halliwell, Max. The thaumasite form of sulfate attack in limestone-filled cement mortars. Building Research Establisment, 1996.

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Ta thaumasia nera Andreas Kalvos: Ho romantismos, ho vyrōnismos kai ho kosmos tōn Karmponarōn. Hermēs, 2011.

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Paraxenoi phtōchoi stratiōtes: Thaumasta stoicheia tēs arvanitikēs stratiōtikēs paradosēs tōn hellēnikōn koinōn. Ekdoseis Alpheios, 2014.

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Great Britain. Department of Transport. Seaborne trade statistics of the United Kingdom. The Department, 1988.

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Kaplanoglou, Mania. To thaumasto taxidi tou phengariou stē gē: Ho mythos tēs Selēnēs kai tou Endymiōnos. Hellēnika Grammata, 2001.

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Perseidēs, Vasilēs. Hē historia mias zōēs: Hena hodoiporiko mesa sto thaumasto, to phovero, kai chaōdē aiōna mas. V. Perseidés, 1987.

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Book chapters on the topic "Thaumasit"

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Green, C. "Thaumatin: A Natural Flavour Ingredient." In Low-Calories Sweeteners: Present and Future. KARGER, 1999. http://dx.doi.org/10.1159/000059716.

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Szwacka, Maria, Magdalena Krzymowska, and Stefan Malepszy. "Thaumatin expression in transgenic cucumber plants." In Plant Biotechnology and In Vitro Biology in the 21st Century. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4661-6_137.

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Dolgov, S. V., V. G. Lebedev, A. P. Firsov, S. A. Taran, and G. B. Tjukavin. "Expression of thaumatin II gene in horticultural crops." In Developments in Plant Breeding. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4475-9_19.

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Masuda, Tetsuya. "Sweet-Tasting Protein Thaumatin: Physical and Chemical Properties." In Reference Series in Phytochemistry. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-27027-2_10.

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Masuda, Tetsuya. "Sweet-Tasting Protein Thaumatin: Physical and Chemical Properties." In Reference Series in Phytochemistry. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-26478-3_10-1.

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Henrich, Günther S. "Belisarlied (Diēgēsis tu thaumastu andros tu legomenu Belisariu)." In Kindlers Literatur Lexikon (KLL). J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_7797-1.

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Firsov, A. P., A. S. Pushin, and S. V. Dolgov. "Transgenic Plants as Producers of Supersweet Protein Thaumatin II." In Reference Series in Phytochemistry. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-27027-2_11.

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Firsov, A. P., A. S. Pushin, and S. V. Dolgov. "Transgenic Plants as Producers of Supersweet Protein Thaumatin II." In Reference Series in Phytochemistry. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-26478-3_11-1.

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Cripps, J. C., F. Abubaker, C. J. Lynsdale, and A. J. Taylor. "Weathering of Pyritic Clay in the Vicinity of Concrete Undergoing Thaumasite Sulphate Attack." In Engineering Geology for Society and Territory - Volume 5. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09048-1_255.

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Kitabatake, Naofumi, and Mitsuaki Kusunoki. "Role of Arginine and Lysine Residues in Sweetness Expression of Thaumatin." In Olfaction and Taste XI. Springer Japan, 1994. http://dx.doi.org/10.1007/978-4-431-68355-1_104.

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Conference papers on the topic "Thaumasit"

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Hao, Tingyu, Yudong Han, and Qingyu Cao. "Analysis of a thaumasite attack in a railway tunnel." In International Conference on Performance-based and Life-cycle Structural Engineering. School of Civil Engineering, The University of Queensland, 2015. http://dx.doi.org/10.14264/uql.2016.752.

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AHMED, BRARA, and TOULOUM NAIMA. "Thaumasite Formation in a Newly Built Concrete Structure in Northeastern Algeria." In Second International Conference on Advances in Civil, Structural and Construction Engineering - CSCE 2015. Institute of Research Engineers and Doctors, 2015. http://dx.doi.org/10.15224/978-1-63248-042-2-100.

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Sotiriadis, K., M. Hlobil, J. Toušek, et al. "Monitoring Durability of Limestone Cement Paste Stored at Conditions Promoting Thaumasite Formation." In XV International Conference on Durability of Building Materials and Components. CIMNE, 2020. http://dx.doi.org/10.23967/dbmc.2020.098.

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"Identification and characterization of the thaumatin-like genes in garlic." In Plant Genetics, Genomics, Bioinformatics, and Biotechnology. Novosibirsk ICG SB RAS 2021, 2021. http://dx.doi.org/10.18699/plantgen2021-009.

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Kovler, K. "Role of ettringite, thaumasite and monocarbonate in hardening and destruction of Portland cement – gypsum system." In ConcreteLife'06 - International RILEM-JCI Seminar on Concrete Durability and Service Life Planning: Curing, Crack Control, Performance in Harsh Environments. RILEM Publications SARL, 2006. http://dx.doi.org/10.1617/291214390x.009.

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Shi, Ming-Wang, Biao-Zhong Wang, Xi-Ling Cheng, Jian-Hua Wang, Rui Yang, and Qi-Li Liu. "Structure of Thaumatin-Like Protein was Predicted and Analysis by Bioinformatics Methods." In 2008 2nd International Conference on Bioinformatics and Biomedical Engineering. IEEE, 2008. http://dx.doi.org/10.1109/icbbe.2008.28.

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Ovcharenko, O. O., A. O. Potrokhov, and D. I. Sosnovska. "Agrobacterium-mediated transformation of Petunia hybrida with thaumatin II gene as a model for investigation of pleiotropic effects of the gene." In IDEAS AND INNOVATIONS IN NATURAL SCIENCES. Baltija Publishing, 2021. http://dx.doi.org/10.30525/978-9934-26-047-6-7.

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Reports on the topic "Thaumasit"

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Geologic Map of the Thaumasia Region, Mars. US Geological Survey, 2001. http://dx.doi.org/10.3133/i2650.

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Revised shaded relief map and controlled color photomosaic of the Thaumasia Quadrangle (MC-25) of Mars. US Geological Survey, 1996. http://dx.doi.org/10.3133/i2368.

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