Showing 201 - 220 results of 241 for search '"limestone"', query time: 0.06s Refine Results
  1. 201

    Risk Assessments of Water Inrush from Coal Seam Floor during Deep Mining Using a Data Fusion Approach Based on Grey System Theory by Yaru Guo, Shuning Dong, Yonghong Hao, Zaibin Liu, Tian-Chyi Jim Yeh, Wenke Wang, Yaoquan Gao, Pei Li, Ming Zhang

    Published 2020-01-01
    “…The results of risk analysis illustrated that three water inrushes from Ordovician limestone occurred in mining face 2127, 2125, and 2222 in the study area were all located in the area with a risk score higher than 65. …”
    Get full text
    Article
  2. 202

    Occurrence Characteristics and Threshold Pore Throat Radius of Movable Fluids for Dolomite Intercrystalline Pores of Lacustrine Carbonate Rocks by Shiming Zhang, Xiaojun Zhang, Tingjing Zhang, Yongxian Zheng, Jun Cui, Juerong Fu, Chao Wang, Xiaofeng Yu

    Published 2022-01-01
    “…Results show that pores of samples in the study area are dolomite intercrystalline pores, intercrystalline dissolved pores, framework dissolved pores of algal limestone (dolostone), dissolved pores of saline minerals, and interlayer fractures, among which dolomite intercrystalline pores and intercrystalline dissolved pores are found with the highest proportions (60%). …”
    Get full text
    Article
  3. 203

    Investigation of the Operations of Open Pit Iron Mineralization for Acid Mine Drainage (Adana/Saimbeyli) by Ayşe Dokuzlar, Nil Yapıcı

    Published 2021-01-01
    “…An iron ore formation in the studied region is located in a trap in the dolomitic limestones of the middle Devonian at the base of the shale sandstone-limestone sequences of the upper Devonian. …”
    Get full text
    Article
  4. 204

    Moisture Susceptibility of Warm Mix Asphalt (WMA) with an Organic Wax Additive Based on X-Ray Computed Tomography (CT) Technology by Jie Ji, Hui Yao, Zhikai Yuan, Zhi Suo, Ying Xu, Pengfei Li, Zhanping You

    Published 2019-01-01
    “…The warm mix asphalt was fabricated with different moisture contents (0%, 1%, 2%, and 3%) of limestone aggregates using the Superpave gyratory compactor. …”
    Get full text
    Article
  5. 205

    Phenetic analysis of natural apricot populations in the Mountainous Dagestan for endocarp (stone) features by D. M. Anatov

    Published 2019-06-01
    “…They prefer crushed limestone hillsides, where they form the so-called ‘apricot savannah’, rarely assembling into dense massifs. …”
    Get full text
    Article
  6. 206

    Litho-structural framework of mineralization along the Ait Atmane fault zone (High Atlas, Morocco): Insights from remote sensing and field data by Ijaajaane Abdelhak, Ait Ali Abdelkhiar, Kajji Souhaila, Si Mhamdi Hicham, Baidder Lahssen, Raji Mohammed

    Published 2025-01-01
    “…The Pb+ Zn ± Fe mineralization occurs in veins hosted in Pliensbachian reef limestone formations and is carried by faults trending ENE-WSW and ESE-WNW with a subvertical dip. …”
    Get full text
    Article
  7. 207

    Smelting of low-grade saprolitic nickel ore in DC-arc furnace by Nurjaman F., Hakim H.Z., Septiansyah B., Arham L.O., Handoko A.S., Bahfie F., Suherman I., Haryadi H., Suseno T., Sari Y., Suharno B.

    Published 2023-01-01
    “…A 5 kg of low-grade saprolitic nickel ore (1.92 Ni-12.97 Fe), some coke as reductant, and some limestone as flux were smelted in a DC-arc furnace for about one hour. …”
    Get full text
    Article
  8. 208

    A Study on Excavation Characteristics of Tunnel with Upper-Soft Lower-Hard Stratum by Jun Feng, Hui-juan Yang, Yu Zhang

    Published 2022-01-01
    “…In view of the geological environment, in which the upper part is the “soft” layer of completely weathered siliceous rock and the lower part is the “hard” layer of weakly weathered limestone, the rail surface line is designed to pass through the interface between the upper “soft” layer and lower “hard” layer. …”
    Get full text
    Article
  9. 209

    Elucidation of novel, alternative, fiber-reinforced iron-based pozzolanic composites as SCMs by Hafiz Muhammad Nadir, Ash Ahmed, Ikram Moshi

    Published 2024-07-01
    “…The composites incorporated iron powder (Fe), metakaolin (MK), pulverized fly ash (PFA), ground granulated blastfurnace slag (GGBS), palm ash, silica fume, and limestone, which are anticipated to absorb CO2 while producing siderite (ferrous carbonate FeCO3). …”
    Get full text
    Article
  10. 210

    Commissioning and analysis of new desulfurization wastewater treatment system in a coal-fired power plant by LIU Guidong, HU Yangyang, WANG Jing, CHEN Yang, WANG Zhiyong, DANG Yulu, XU Hao

    Published 2025-01-01
    “…The effluent quality could meet the relevant indicators of the Discharge Standard of Wastewater from Limestone-Gypsum Flue Gas Desulfurization System in Fossil Fuel Power Plants (DL/T 997-2020). …”
    Get full text
    Article
  11. 211

    Les caves de Reims/Durocortorum à travers les exemples de la fouille du tramway by Magalie Cavé

    Published 2022-11-01
    “…The walls’ masonry is composed of gritstone (sometimes, though, rarely of limestone rubblestone) and/or of chalk rubble with, in some cases, terracotta used, especially in niches or along the top level. …”
    Get full text
    Article
  12. 212

    Experimental Investigation of Mechanical and Electromagnetic Performance of Asphalt Concrete Containing Different Ratios of Graphite Powder as a Filler to be Potentially Used as Pa... by Orhan Kaya, Hatice Merve Annagur, Olcay Altintas

    Published 2023-12-01
    “…Possible reasons for this could be: (1) lower bulk specific gravity of graphite powder, (2) higher asphalt absorbance, (3) having greater surface area compared to that of limestone filler, and (4) weak bonds between sheet-like graphite layers. …”
    Get full text
    Article
  13. 213

    Assessment of slag incorporation in cold recycled mixtures emulsified asphalt: Mechanical performance and environmental impact by Putri Adhitana Paramitha, Shih-Huang Chen, Emil Adly, Handy Prasetyo, Wei-Lun Tsai

    Published 2025-07-01
    “…RAP material varies and can include limestone, granite, gravel, and sometimes recycled materials like slag. …”
    Get full text
    Article
  14. 214

    Determinación de la absorción de agua de una pieza termoplástica modular impresa = Determination of water absorption of a printed modular thermoplastic part by Sandra Moyano-Sanz, Amparo Verdú-Vázquez, Mercedes Valiente-López

    Published 2022-12-01
    “…Part 21: Determination of water absorption of baked clay and silico-limestone masonry parts by cold water absorption. Likewise, the same operation is carried out with an exposed brick and a rough brick, both with similar dimensions to the previous one. …”
    Get full text
    Article
  15. 215

    Dissolution of Different Reservoir Rocks by Organic Acids in Laboratory Simulations: Implications for the Effect of Alteration on Deep Reservoirs by Jian Chen, Jie Xu, Susu Wang, Zhenyu Sun, Zhong Li, Wanglu Jia, Ping’an Peng

    Published 2021-01-01
    “…Observation under SEM showed that the limestone dissolved homogenously, whereas the dolostone showed honeycomb-like dissolution. …”
    Get full text
    Article
  16. 216

    Particle-bound PAHs and Chemical Composition, Sources and Health Risk of PM2.5 in a Highly Industrialized Area by Elizabeth Vega, Diego López-Veneroni, Omar Ramírez, Judith C. Chow, John G. Watson

    Published 2021-07-01
    “…Abstract PM2.5 monitoring campaigns were conducted in 2006, 2010, and 2011 in Tula, Hidalgo, Mexico, a highly industrialized area which includes a refinery, a thermoelectric power plant, five cement plants, limestone mining, and industrial waste combustion. …”
    Get full text
    Article
  17. 217

    Experimental and Theoretical Investigations of Hard Rocks at High Temperature: Applications in Civil Engineering by Mambou Ngueyep Luc Leroy, Foguieng Wembe Marius, Ngapgue François

    Published 2021-01-01
    “…This review paper aims to survey and discuss recent theoretical and experimental works reporting the temperature effects on the mechanical properties of rocks like granite, gabbro, gneiss, marble, sandstone, basalt, limestone, and argillite to permit the new challenge in this domain. …”
    Get full text
    Article
  18. 218

    Nouveaux éléments concernant l’amphithéâtre antique de Saintes (Charente-Maritime) : l’arène aux iiie et ive s. apr. J.-C. by Bastien Gissinger

    Published 2024-12-01
    “…Several holes and structures that were only partially studied, the most eloquent being a massive block of limestone pierced for the installation of a removable mast, seem to have been linked to the shows staged in the arena. …”
    Get full text
    Article
  19. 219

    Les installations portuaires romaines d’Incarville (Eure) by Laurent Paez-Rezende

    Published 2020-12-01
    “…The 20-metres-long quay front, built along the axis of the channel, was made by a single alignment of sixteen blocks and three piles of limestone rubbles. The blocks were set on the first deposits of peat that silted up the bank. …”
    Get full text
    Article
  20. 220

    A mixed media approach using locally available neutralizing materials for the passive treatment of acid mine drainage by Joshua Pocaan, Casey Oliver A. Turingan, Carlito Baltazar Tabelin, Joshua B. Zoleta, Takahiko Arima, Ilhwan Park, Mayumi Ito, Aileen H. Orbecido

    Published 2025-02-01
    “…Recent studies of the authors have explored the use of limestone and waste materials like low-grade ores (LGO), fly ash (FA), and concrete wastes (CW) for AMD treatment and found that although these materials generated alkalinity individually, they could only partially remove sulfate (SO42−) and some heavy metals. …”
    Get full text
    Article