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201
Risk Assessments of Water Inrush from Coal Seam Floor during Deep Mining Using a Data Fusion Approach Based on Grey System Theory
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. …”
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202
Occurrence Characteristics and Threshold Pore Throat Radius of Movable Fluids for Dolomite Intercrystalline Pores of Lacustrine Carbonate Rocks
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%). …”
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203
Investigation of the Operations of Open Pit Iron Mineralization for Acid Mine Drainage (Adana/Saimbeyli)
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. …”
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204
Moisture Susceptibility of Warm Mix Asphalt (WMA) with an Organic Wax Additive Based on X-Ray Computed Tomography (CT) Technology
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. …”
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205
Phenetic analysis of natural apricot populations in the Mountainous Dagestan for endocarp (stone) features
Published 2019-06-01“…They prefer crushed limestone hillsides, where they form the so-called ‘apricot savannah’, rarely assembling into dense massifs. …”
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206
Litho-structural framework of mineralization along the Ait Atmane fault zone (High Atlas, Morocco): Insights from remote sensing and field data
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. …”
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207
Smelting of low-grade saprolitic nickel ore in DC-arc furnace
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. …”
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208
A Study on Excavation Characteristics of Tunnel with Upper-Soft Lower-Hard Stratum
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. …”
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209
Elucidation of novel, alternative, fiber-reinforced iron-based pozzolanic composites as SCMs
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). …”
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210
Commissioning and analysis of new desulfurization wastewater treatment system in a coal-fired power plant
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). …”
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211
Les caves de Reims/Durocortorum à travers les exemples de la fouille du tramway
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. …”
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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...
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. …”
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213
Assessment of slag incorporation in cold recycled mixtures emulsified asphalt: Mechanical performance and environmental impact
Published 2025-07-01“…RAP material varies and can include limestone, granite, gravel, and sometimes recycled materials like slag. …”
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214
Determinación de la absorción de agua de una pieza termoplástica modular impresa = Determination of water absorption of a printed modular thermoplastic part
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. …”
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215
Dissolution of Different Reservoir Rocks by Organic Acids in Laboratory Simulations: Implications for the Effect of Alteration on Deep Reservoirs
Published 2021-01-01“…Observation under SEM showed that the limestone dissolved homogenously, whereas the dolostone showed honeycomb-like dissolution. …”
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216
Particle-bound PAHs and Chemical Composition, Sources and Health Risk of PM2.5 in a Highly Industrialized Area
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. …”
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217
Experimental and Theoretical Investigations of Hard Rocks at High Temperature: Applications in Civil Engineering
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. …”
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218
Nouveaux éléments concernant l’amphithéâtre antique de Saintes (Charente-Maritime) : l’arène aux iiie et ive s. apr. J.-C.
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. …”
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219
Les installations portuaires romaines d’Incarville (Eure)
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. …”
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220
A mixed media approach using locally available neutralizing materials for the passive treatment of acid mine drainage
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. …”
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