Showing 101 - 120 results of 241 for search '"limestone"', query time: 0.07s Refine Results
  1. 101

    Analysis of Hydrogeochemical Characteristics of Tunnel Groundwater Based on Multivariate Statistical Technology by Chen Peng, Yuanming Liu, Huiyu Chen, Qiaowei Yuan, Qingzhi Chen, Shilong Mei, Zhonghu Wu

    Published 2021-01-01
    “…Clusters 1 and 5 of groundwater represent weathering, dissolution, and ion exchange of carbonate and sulfate rocks and are closely related to the lithologic limestone, limestone intercalated with carbonaceous mudstone, carbonaceous mudstone, and coal-measure strata in the aquifer. …”
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    Article
  2. 102

    An Influence Study of Face Length Effect on Floor Stability under Water-Rock Coupling Action by Baojie Fu, Bo Wang

    Published 2021-01-01
    “…The Taiyuan Formation limestone aquifer and Ordovician limestone aquifer are widely distributed in the coal seam floor of coal measures in North China; the water hazard safety problem of the stope floor under the influence of mining is very prominent. …”
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    Article
  3. 103

    Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China by Pinghua Huang, Xinyi Wang

    Published 2018-01-01
    “…However, δ13C increases with the rise in CO32− + HCO3− in the Cambrian limestone groundwater, and this condition indicates that organic matters produce methane due to methanogens.…”
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  4. 104

    Physicochemical characterization of soil occupied by carob tree (Ceratonia siliqua L.) in Morocco by Ismail E ttaleb, Jalila Aoujdad

    Published 2025-01-01
    “…However, in all the stations, soil is considered low in available phosphorus. Total limestone contents are higher in different stations. …”
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    Article
  5. 105

    Altitude, geological substrate, and dynamics of Natura 2000 habitat types in Cretan low-vegetation pastures by Frederic Bendali, Michel Godron

    Published 2024-10-01
    “…HT 4090 and 5430 are also characterized by calcareous geological substrates, namely hard limestone and marble. We suggest that HT 5420 is the most post-cultural vegetation and HT 5430 is a long-term pasture on noncultivable substrates.…”
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  6. 106

    Properties enhancement of asphalt mortar incorporating phosphogypsum based on surface activation by Wei Guo, Kaipeng Gu, Haiyang Xu, Yingsong Li, Wei Tian

    Published 2025-07-01
    “…To broaden the utilization of Phosphogypsum (PG), this paper involves the deployment of a silane coupling agent (SCA) to enhance the surface reactivity of PG, thereby evaluating its potential to serve as a viable alternative to traditional limestone filler within asphalt mortar compositions. …”
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  7. 107

    Study of Interface Adhesion Between Polyurethane and Aggregate Based on Surface Free Energy Theory and Molecular Dynamics Simulation by Zengping Zhang, Jiajun Ji, Xue Li, Zhongbao Shi, Junjie Wang

    Published 2025-01-01
    “…The results showed that the adhesion between PU and basalt is consistently better than that with limestone, although the adhesion between PU and aggregate decreased under acidic conditions. …”
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    Article
  8. 108

    Adhesion of Nano-ZnO Modified Asphalt and Its Influence on Moisture-Sensitive Properties of Mixtures by Xiaoming Chen, Ping Wen, Qibin Ji, Shujiang Jiang, Zhimin Zhou, Aipeng Wang, Lingyun Li, Bowen Guan

    Published 2023-01-01
    “…Within the study context, the adhesion characteristics of asphalt mixtures with different nano-ZnO to limestone, basalt, and granite contents are studied using a boiling test. …”
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    Article
  9. 109

    Quais et ouvrages portuaires romains de Rouen/Rotomagus (Seine-Maritime) by Marie-Clotilde Lequoy

    Published 2020-12-01
    “…They were then wedged with a compact limestone fill, topped with medium to large limestone blocks and sealed with clay. …”
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  10. 110

    CONTROL ALGORITMS OF BOF MELTING WITH CONSIDERING THE INFLUENCE OF UNCONTROLLED DISTURBANCE by V. S. Bogushevsky, O. E. Skachok

    Published 2016-12-01
    “…You also find numerical values of impact impurity of scrap, falling mixer slag with cast iron, limestone instead of lime and water from cooled elements on decarbonization, bathtub temperature and slag basicity. …”
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    Article
  11. 111

    Study of the mechanical properties of mortars based on organic binders used in the reproduction of outdoor artworks by Alba Cerezo, Xavier Mas-Barber, Stéphane Kröner

    Published 2014-09-01
    “…The specimens were prepared from two commonly used organic binders in the scope of Culture Heritage Conservation/ Restoration, natural aggregates of crushed Tosca Rocafort limestone and three different additives. All the mortar specimens prepared were subjected to accelerated aging tests with UV irradiation, and then subjected to a 2kn tensile tester Deben microtest and SEM, in order to quantify the resistance and cracking stress.…”
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  12. 112

    Le lieu-dit des « Trois-Piliers » : un ensemble à caractère monumental du iiie s. apr. J.-C. dans la périphérie nord-est de Reims/Durocortorum ? by Philippe Rollet, Émilie Jouhet

    Published 2022-11-01
    “…The cladding is composed of small, very neat units, mounted in opus vittatum, with calibrated pyramidal shaped fragments of limestone. And while the cladding courses are perfectly horizontal, the internal blocking is composed of small limestone fragments, bound with a tile mortar. …”
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  13. 113

    Investigation of Ecological and Economical Characteristics of Systems of Gas Outburst Cleaning from Dioxide Sulphur by V. P. Bubnov, D. A. Dovnar

    Published 2013-02-01
    “…The paper presents the ecological and economical characteristics of different ways for purifying of waste gases from sulfurous anhydride (SO2).And proved that the least expenditures for purification of 1000 m3 have: lime and limestone, but also electron beam Methods. But, electron beam Method allow at the same time to carry out the purification of smoke gases from SO2 and NOх.…”
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  14. 114

    L’aqueduc du Gier : étude des ponts-siphons du Garon à Brignais et Chaponost (Rhône) et de Beaunant à Sainte-Foy-lès-Lyon (Métropole de Lyon) by Kilian Blanc, Laurie Danielou

    Published 2023-12-01
    “…The second is imported limestone. The use of limestone is increasingly common in the Gier aqueduct near Lyon.In conclusion, the joint study of construction and materials led to new observations and new ideas about the construction technique employed on the Gier aqueduct and the materials used.…”
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  15. 115

    Compressibility characteristics and modification effect of coal reservoirs in Longtan Formation, Nanchuan area, southeast Chongqing by Jinxian LIU, Tao GUO, Yatong ZHOU, Dongyang LI, Xiaobo JIN

    Published 2025-01-01
    “…The coal seams are stably distributed, with the floor plate consisting of aluminous mudstone and the roof plate composed of mudstone, which locally transitions to argillaceous limestone and limestone. The assemblage patterns of the coal reservoir and its roof and floor plates, as well as the variations of mineral composition in roof plate, indicate a transitional sedimentary environment between land and sea. (2) Significant differences in mechanical parameters and in-situ stress of coal seams and roof and floor plates were observed, preliminarily indicating good compressibility. …”
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  16. 116

    A Multi-Disciplinary Review of Current Sea-Level Rise Research in Florida by Anna Cathey Linhoss, Lisa Gardner Chambers, Kevin Wozniak, Tom Ankersen

    Published 2013-02-01
    “…Sea-level rise is an issue of paramount importance for the state of Florida due to its lengthy coastline, low relief, high coastal population density, ecologically and economically vital beaches, estuaries, and wetlands, and porous limestone geology. The rate of sea-level rise in Florida generally follows the global average (~3 mm per year) and is slowly gaining public attention as a significant threat to the natural and socioeconomic future of the state. …”
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    Article
  17. 117

    Total Seepage Resistance Model of Water-Displacing Diffusion of Slurry in Series and Parallel Fractures by Yang Hu, Junhe Xie, Jian Ge, Gang Liu

    Published 2022-01-01
    “…With the increase in mining depth, potential water inrush in the limestone-fractured aquifers of Taiyuan formation and Ordovician formation becomes seriously threatened to the mining process. …”
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  18. 118

    Evaluation of phosphate sources using ruminal fiber transit kinetics methodology by Claudiney de Jesus Couto, Bruna Cardoso Braga, Raphael dos Santos Gomes, Wagner Pessanha Tamy, Severino Delmar Junqueira Villela, Fernando de Paula Leonel, Fernando de Paula Leonel

    Published 2025-01-01
    “…The treatments were: negative control (NC) without supplementary phosphorus; dicalcium phosphate from igneous rock with sulfuric acidulation, neutralization with limestone, and the show physical form of microgranules (ISLG); Dicalcium phosphate from igneous rock with sulfuric acidulation, neutralization with hydrated lime, and the physical form of powder (ISLhP); Dicalcium phosphate from sedimentary rock with hydrochloric acidulation, neutralization with limestone, and the micro-granulated show physical form (SeCLG); Dicalcium phosphate from the monocalcium phosphate and hydrated lime reaction adjusted with phosphoric acid, and the powder physical form (MLhPaP). …”
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  19. 119

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

    Published 2014-01-01
    “…The analysis of the inverted ERT sections revealed the presence of fractured and karstified limestone rocks which constitute the shallow bedrock of the dam reservoir. …”
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  20. 120

    A Multi-Disciplinary Review of Current Sea-Level Rise Research in Florida by Anna Cathey Linhoss, Lisa Gardner Chambers, Kevin Wozniak, Tom Ankersen

    Published 2013-02-01
    “…Sea-level rise is an issue of paramount importance for the state of Florida due to its lengthy coastline, low relief, high coastal population density, ecologically and economically vital beaches, estuaries, and wetlands, and porous limestone geology. The rate of sea-level rise in Florida generally follows the global average (~3 mm per year) and is slowly gaining public attention as a significant threat to the natural and socioeconomic future of the state. …”
    Get full text
    Article