LIMESTONE

作品数：334被引量：480H指数：10
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Slag formation in silicon and ferrosilicon production using quartz, limestone and iron source
《International Journal of Minerals,Metallurgy and Materials》2025年第4期859-868,共10页Sarina Bao Eli Ringdalen 
financially supported by the Norwegian Ferroalloy Producers Research Association (FFF) and the Research Council of Norway through KSP project 326581 Recursive。
The production processes for Si and FeSi have traditionally been considered slag-free.However,recent excavations have revealed significant accumulation of CaO–SiO_(2)–Al_(2)O_(3)slag within the furnaces.This accumul...
关键词：slag formation silicon and ferrosilicon production QUARTZ LIMESTONE iron source CONDENSATE CRISTOBALITE 
An Analytic Solution of Stress Distribution Around a Shallow Buried Hollow Cylinder Karst Cave in Limestone Strata
《International Journal of Plant Engineering and Management》2025年第1期1-16,共16页DU Luyi LI Wu LI Zhaojie LI Xiang DONG Jinshuang XIE Peng 
supported by National Natural Science Foundation of China(42002293,52068019);Hainan Provincial Natural Science Foundation of China(520QN229,422RC599);Independent Innovation Fund Project of Tianjin University and Hainan University(KF2022⁃03);Scientific Research Startup Foundation of Hainan university(KYQD(2R)1969);Systematic Project of Key Laboratory of Geological Hazards on Three Gorges Reservoir Area(Three Gorges University),Ministry of Education(2020KDZ04).
The chief objective of the article is to learn the spatial characteristics of stress distribution around a shallow buried cylinder Karst cave in limestone strata.Firstly,taking into account the geometry of limestone f...
关键词：cylinder Karst cave shallow buried spatial stress distribution of surrounding rock love displacement function three⁃dimensional explicit finite difference 
A unique time-dependent deformation behavior of coral reef limestone
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第3期1862-1875,共14页Kai Wu Qingshan Meng Le Luo Qinglong Qin Chi Wang Xinzhi Wang Tianli Shen Haozhen Ding 
supported by the National Natural Science Foundation of China(Grant Nos.41877267,41877260);the Priority Research Program of the Chinese Academy of Science(Grant No.XDA13010201).
Catastrophic failure in engineering structures of island reefs would occur when the tertiary creep initiates in coral reef limestone with a transition from short-to long-term load.Due to the complexity of biological s...
关键词：Coral reef limestone Time-dependent deformation Creep mechanism Constitutive model 
Holiday Adventures In China’s Karst Kingdom
《Beijing Review》2025年第8期46-47,共2页Wei Yao(Text/photos) 
Guangxi Zhuang Autonomous Region in south China has many areas of karst landforms.Towering above Guangxi's tropical forests,fields and rice paddies,these karst formations are created by the erosion of water-soluble ro...
关键词：KARST LIMESTONE formations 
Large-scale laboratory investigation of pillar-support interaction
《Journal of Rock Mechanics and Geotechnical Engineering》2025年第1期71-93,共23页Akash Chaurasia Gabriel Walton Sankhaneel Sinha Timothy J.Batchler Kieran Moore Nicholas Vlachopoulos Bradley Forbes 
the funding support from Alpha Foundation for the Improvement of Mine Safety and Health Inc.(ALPHAFOUNDATION,Grant No.AFC820-52)。
Underground mine pillars provide natural stability to the mine area,allowing safe operations for workers and machinery.Extensive prior research has been conducted to understand pillar failure mechanics and design safe...
关键词：Grouted rockbolt Welded wire mesh Porous limestone Digital image correlation Distributed fiber optic sensing Large-scale laboratory tests 
Effects of Formation Mineral Compositions on the Performance of High- & Low-Salinity Brine Injection in Carbonate Reservoirs
《World Journal of Engineering and Technology》2024年第4期1008-1023,共16页Abdulrazag Y. Zekri Mamdouh Taha Ghannam Musaab Ibrahim Magzoub 
Low-salinity flooding has been extensively investigated. However, the effects of several variables, such as mineralogical composition, have been neglected. In this regard, the main objective here was to optimize low-s...
关键词：Water Flooding Low Salinity Carbonate Reservoirs Rock Mineralogy LIMESTONE 
Hydrochemical Constraints on the Flowing Paths of Groundwater in Limestone Reservoirs beneath the Pingdingshan Coalfield in North China
《Acta Geologica Sinica(English Edition)》2024年第6期1615-1636,共22页WU Zhanhui WANG Xinyi LI Jiexiang CUI Junchao ZHANG Bo 
granted by the National Natural Science Foundation of China(42102297,41972254);Innovative Science and Technology Talents Team Construction Project of Henan Province(CXTD2016053);China Postdoctoral Science Foundation(2021M701098);Special Funds for Higher Education Basic Scientific Research Funds of Henan Province(NSFRF200103;NSFRF210304)。
The karst groundwater of Cambrian limestone may become an important water source for industry and agriculture in the Pingdingshan area,and is also a potential threat to mining safety.Therefore,to find out the origin,f...
关键词：GROUNDWATER flowing path HYDROCHEMISTRY strontium isotope Pingdingshan coalfield 
Effect of Limestone on NO Emission during the Co-Combustion of Semi-Coke and Bituminous Coal
《Journal of Thermal Science》2024年第6期2413-2425,共13页LIU Yanquan TAN Wenyi LIANG Shaohua BI Xiaolong 
financially supported by the Scientific Research Startup Foundation of High-level Introduction Talents of Nanjing Institute of Technology(No.YKJ201914);National Natural Science Foundation of China(NSFC)(No.51678291).
When semi-coke is co-combusted with bituminous coal with higher sulfur content in a circulating fluidized bed(CFB)boiler,the necessity of desulfurization in furnace increases.Meanwhile,limestone,which is a widely used...
关键词：SEMI-COKE CO-COMBUSTION LIMESTONE NO emission 
圣马塞尔洞穴之谜
《疯狂英语(新悦读)》2024年第12期23-27,75,76,共7页孙启禄 
1Dive into the depths of the Earth and you'll find a world of quiet mystery:caves.Actually,these are not just dark holes.Imagine the Saint-Marcel Cave in France,a place that's been a human hangout for thousands of yea...
关键词：BENEATH PASSAGE LIMESTONE 
Control effect and optimization scheme of combined rockbolt-cable support for a tunnel in horizontally layered limestone:A case study
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4586-4604,共19页Jiachen Wang Dingli Zhang Zhenyu Sun Feng Peng 
supported by the Fundamental Research Funds for the Central Universities (Grant No.2023JBZY024);Beijing Natural Science Foundation (Grant No.9244040);opening Fund of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology (Grant No.SKLGP2023K015).
This study focused on the mechanical behavior of a deep-buried tunnel constructed in horizontally layered limestone,and investigated the effect of a new combined rockboltecable support system on the tunnel response.Th...
关键词：Giant karst cave Multi-objective optimization model Numerical simulation Combined rockbolt-cable support Field monitoring 
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