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  1. 7261

    Litostratigrafia spodnotriasových súvrství Západných Karpát by Mário Olšavský

    Published 2024-11-01
    “…The overlying part of the Lúžňa Formation with a transition to the Middle Triassic carbonate platform, as well as the transitions from Permian sedimentary sequences to the Lúžňa Formation, have not been systematically subjected to detailed study. …”
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  2. 7262

    Microstructure and Properties of Polyhydroxybutyrate-Chitosan-Nanohydroxyapatite Composite Scaffolds by L. Medvecky

    Published 2012-01-01
    “…Polyhydroxybutyrate-chitosan-hydroxyapatite (PHB-CHT-HAP) composite scaffolds were prepared by the precipitation of biopolymer-nanohydroxyapatite suspensions and following lyophilisation. The propylene carbonate and acetic acid were used as the polyhydroxybutyrate and chitosan solvents, respectively. …”
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  3. 7263

    Diet in the Management of Functional Dyspepsia: Controversial and Unresolved Issues by A. A. Sheptulin, S. S. Kardasheva, A. A. Kurbatova

    Published 2023-09-01
    “…Many studies have shown that spicy food, food with a high content of saturated fats, coffee, carbonated drinks can lead to symptoms of FD. Intolerance to certain foods (in particular, wheat) may be associated with their ability to act as allergens. …”
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  4. 7264

    NONCONVENTIONAL TECHNIQUE FOR PRODUCING HIGH MECHANICAL STRENGTH GLASS FOAM FROM GLASS WASTE by LUCIAN PAUNESCU, MARIUS FLORIN DRAGOESCU, SORIN MIRCEA AXINTE, ANA CASANDRA SEBE

    Published 2019-06-01
    “…By replacing the usual conventional energy source with a nonconventional energy (electromagnetic waves) the heating efficiency allows a fast and economical manufacturing process. Calcium carbonate as a foaming agent and an addition of sodium silicate (aqueous solution) as a binder were used. …”
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  5. 7265

    Effect of Chlorides on Conductivity and Dielectric Constant in Hardened Cement Mortar: NDT for Durability Evaluation by Sunkook Kim, Joowon Kang, Sang-Hyo Lee, Yong Han Ahn

    Published 2016-01-01
    “…Furthermore, the behaviors of measured EM property are investigated with carbonation velocity and strength, which shows an attempt of application to durability evaluation through EM measurement.…”
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  6. 7266

    Clean Procedure and DFT Study for the Synthesis of 2-Amino-3-ethoxycarbonyl-4-(aryl)-4H-pyrano-[3,2-c]-chromene-5-ones Derivatives: A Novel Class of Potential Antimicrobial and An... by R. Medyouni, N. Hamdi, R. Ben Said, A. S. Al-Ayed, Fethi Zagrouba

    Published 2013-01-01
    “…The structures of the obtained compounds are confirmed by analytical IR, 1H, and 13C-NMR spectra to elucidate the different positions of protons and carbons and as well as theoretic studies (DFT/B3LYP). …”
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  7. 7267

    DENSE GLASS FOAM PRODUCED IN MICROWAVE FIELD by LUCIAN PAUNESCU, MARIUS FLORIN DRAGOESCU, SORIN MIRCEA AXINTE, BOGDAN VALENTIN PAUNESCU

    Published 2018-03-01
    “…The glass foam is produced from bottle glass waste, calcium carbonate as foaming agent and borax as fluxing agent. …”
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  8. 7268

    Synthesis of Benzofuran Derivatives and their Evaluation of Antimicrobial Activity by D. R. Harish Kumar, M. D. Karvekar

    Published 2010-01-01
    “…2-Acetyl benzofuran (1) was synthesized by refluxing salicylaldehyde and dry chloroacetone in presence of potassium carbonate. The product formed was reacted with 2-aminobenzothiazole with catalyst p-toluene sulphonic acid to form N-[(1Z)-1-(benzofuran-2-yl)ethylidene]1,3-benzothiazol-2-amine (2). …”
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  9. 7269

    Synthesis of micropaleontological age constraints for the reconstruction of the Tethyan realm in the Lesser Caucasus (Armenia, Karabagh) by Danelian, Taniel, Triantaphyllou, Maria, Seyler, Monique, Galoyan, Ghazar, Grigoryan, Arayik, Sosson, Marc

    Published 2023-04-01
    “…The radiolarian results also indicate that blocks of shallow-water carbonates slid into the basin during this time interval. …”
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  10. 7270

    Autogenous Deformation of Alkali-Activated Blast Furnace Slag Concrete Subjected to Variable Curing Temperatures by Katalin Orosz, Abeer Humad, Hans Hedlund, Andrzej Cwirzen

    Published 2019-01-01
    “…Sodium silicate and sodium carbonate were used as alkali activators. The obtained results showed development of deformations consisting of both shrinkage and expansion. …”
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  11. 7271

    Modelling the Adsorption of -Nitrophenol by the Boyd Method in Conjunction with the Finite Element Method by Francisco Zamora, Eduardo Sabio, Silvia Román, Carmen María González-García, Beatriz Ledesma

    Published 2010-11-01
    “…In this work, the adsorption kinetics of p -nitrophenol onto two commercial activated carbons with different textural and geometrical characteristics was studied. …”
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  12. 7272

    Fractionation of Rare Earth Elements in Greisen and Hydrothermal Veins Related to A-Type Magmatism by Mikael Tillberg, Olga M. Maskenskaya, Henrik Drake, Johan K. Hogmalm, Curt Broman, Anthony E. Fallick, Mats E. Åström

    Published 2019-01-01
    “…REE-fractionation patterns and fluid-inclusion data suggest that chloride complexation dominated REE transport during greisenization, whereas carbonate complexation contributed to the HREE enrichment in vein calcite.…”
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  13. 7273

    Development of a novel and efficient method for synthesizing N-benzyl-substituted di-benzimidazole derivatives by Arjun Bodkhe, Dattatraya Pansare, Dnyaneshwar Karpe, Vilas Sudrik, Manohar Suryawanshi, Rahul Shinde, Shamrao Lawande

    Published 2025-01-01
    “…The intermediate dibenzimidazole derivatives (3) were further reacted with a variety of aromatic benzyl bromides or chlorides with different substituents (4) in the presence of potassium carbonate and acetonitrile at room temperature. This conventional approach resulted in the efficient production of the target compounds with high yields in a short reaction time. …”
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  14. 7274

    A Case of Hydrocele Stone with Its Composition Analysis by Masayoshi Zaitsu, Koji Mikami, Yuta Takeshima, Takumi Takeuchi

    Published 2010-01-01
    “…Crystallographical analysis of the hydrocele stone by a infrared spectrophotometer showed that the center was composed of 64% calcium carbonate and 36% calcium phosphate, while the outer portion was protein. …”
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  15. 7275

    Assessing environmental impacts in batik production through life cycle assessment by Asih Hayati Mukti, Juniati, Pratama Risky Putra

    Published 2024-01-01
    “…This impact is primarily attributed to the use of chemicals such as sulfuric acid, sodium hydroxide, and sodium carbonate, which dissolve in large quantities of water, leading to marine ecosystem pollution. …”
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  16. 7276

    Spectrphotometric Determination of Buclizine as Hydrochloride Using Various Chromogenic Reagents by V. Annapurna, G. Jyothi, A. V. Subbayamma, B. B. V. Sailaja

    Published 2010-01-01
    “…Method A involves the precipitation, charge transfer complex formation of BUCZ with tannic acid/ p-N-methyl aminophenol sulphate (PMAP)-Cr(VI), the complex formation with cobalt thiocyanate (CTC) in method B and inner complex formation of BUCZ with sodium nitroprusside hydroxylamine hydrochloride and sodium carbonate in method C were proposed. The optical characteristics such as Beers law limits, molar absorptivity and Sandell’s sensitivity for the methods (A-C) are given. …”
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  17. 7277

    A Novel Method to Prepare PolyGMA and its Application to Immobilization of β-Galactosidase by Sun Sufang, Dong Lingyun

    Published 2009-01-01
    “…The reactive, macroporous and massive epoxy group containing polyGMA was synthesized simultaneously with methanol aqueous solution and nano-calcium carbonate as porogen by bulk copolymerization. After the polymer was smashed, particles with diameters in the range of 0.30 to 0.45 mm were taken as the carrier and the scanning electron microscopy (SEM) micrographs were done to characterize its surface structure. …”
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  18. 7278

    The Partisan Glade Geosite (Western Greater Caucasus) as an Important Resource and Rising Tourist Attraction by Anna V. Mikhailenko, Dmitry A. Ruban, Svetlana O. Zorina, Fatmeh Tahhan, Konstantin I. Nikashin

    Published 2024-04-01
    “…This geosite represents Lower–Middle Jurassic deep-marine siliciclastics, and it shows Upper Jurassic carbonates, unusual landforms, landslides, and tectonic structures. …”
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  19. 7279

    Status and Causes of Soil Salinization of Irrigated Agricultural Lands in Southern Baja California, Mexico by Tsuneyoshi Endo, Sadahiro Yamamoto, Juan A. Larrinaga, Hideyasu Fujiyama, Toshimasa Honna

    Published 2011-01-01
    “…Low EC and high pH levels were observed in the profiles of sandy fields, because the salt composition of these soils can easily change when salts are leached by irrigation water that contains carbonates of sodium. On the other hand, high levels of salinity and sodicity were observed in the soils of clayey fields. …”
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  20. 7280

    Application of Electrical Resistivity Tomography Technique for Characterizing Leakage Problem in Abu Baara Earth Dam, Syria by Walid Al-Fares

    Published 2014-01-01
    “…Several subsurface structural anomalies were identified within the fractured bedrock, most of which are associated with probable karstic cavities, voids, and discontinuity features developed within the carbonates rocks. Moreover, results also showed the occurrence of a distinguished subsiding structure coinciding with main valley course. …”
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