Search Results - "Li, Keqing"
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Feasibility of using fly ash–slag-based binder for mine backfilling and its associated leaching risks
Published in Journal of hazardous materials (05-12-2020)“…[Display omitted] •MSWI fly ash–SS–BFS–FGD gypsum binders could replace conventional cement.•MSWI fly ash and FGD gypsum promote hydration (SS, BFS),…”
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Slab Segmentation and Stacking in Mantle Transition Zone Controls Disparate Surface and Lower Mantle Subducting Rates and Complex Slab Morphology
Published in Geophysical research letters (16-09-2024)“…The contradiction of high subducting plate rate (ranging from 4 to 9 cm/yr on Earth's surface) and low slab sinking rate (about 1 and 2 cm/yr in lower mantle)…”
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3
Development of Cemented Paste Backfill with Superfine Tailings: Fluidity, Mechanical Properties, and Microstructure Characteristics
Published in Materials (27-02-2023)“…Previous studies have shown that the effectiveness of superfine tailings cemented paste backfill (SCPB) is influenced by multiple factors. To optimize the…”
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Strength Investigation and Prediction of Superfine Tailings Cemented Paste Backfill Based on Experiments and Intelligent Methods
Published in Materials (26-05-2023)“…The utilization of solid waste for filling mining presents substantial economic and environmental advantages, making it the primary focus of current filling…”
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Preparation and Basic Properties of Praseodymium-Neodymium-Chromium Containing Imitation Gemstone Glass
Published in Materials (01-10-2022)“…Imitation gemstone glass has numerous characteristics, including low cost, rich colour, stable colouring, and the formation of colour-changing effects that can…”
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Study on Mineral Compositions of Direct Carbonated Steel Slag by QXRD, TG, FTIR, and XPS
Published in Energies (Basel) (01-08-2021)“…Steel slag CO2 sequestration helps mitigate global warming and decrease the stockpile of steel slag (SS). Through orthogonal design tests and single-factor…”
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Effect of Ammonia-Soda Residue on the Strength and Chloride-Resistance Performance of Steel Slag-Granulated Blast Furnace Slag-Based Concrete after Immersion in Artificial Seawater
Published in Materials (13-10-2021)“…Ammonia-soda residue (ASR) is the main solid waste generated from soda manufacturing and is hard to reuse due to its complex chemical composition. This study…”
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Recovering Iron from Iron Ore Tailings and Preparing Concrete Composite Admixtures
Published in Minerals (Basel) (01-04-2019)“…Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs…”
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Study on Effects of Refining Slag on Properties and Hydration of Cemented Solid Waste-Based Backfill
Published in Materials (23-11-2022)“…This study used refining slag (RS), ground granulated blast furnace slag (GGBS), steel slag (SS), and desulfurized gypsum (DG) to prepare a mine-filling…”
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10
Distinguishing the Associations Between Evening Screen Time and Sleep Quality Among Different Age Groups: A Population-Based Cross-Sectional Study
Published in Frontiers in psychiatry (24-06-2022)“…Objective The age differences in the association between screen time and sleep problems have been implied in many studies, and this study aims to distinguish…”
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11
Characterization and Hydration Mechanism of Ammonia Soda Residue and Portland Cement Composite Cementitious Material
Published in Materials (24-08-2021)“…The use of ammonia soda residue (ASR) to prepare building materials is an effective way to dispose of ASR on a large scale, but this process suffers from a…”
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Carbon Monoxide Poisoning was Associated With Lifetime Suicidal Ideation: Evidence From A Population-Based Cross-Sectional Study in Hebei Province, China
Published in International journal of public health (15-06-2022)“…Objectives: We want to test the association between carbon monoxide poisoning (CMP) experiencing and lifetime suicidal ideation/suicide plan among community…”
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Impact of Internet Use on Elderly Health: Empirical Study Based on Chinese General Social Survey (CGSS) Data
Published in Healthcare (Basel) (12-11-2020)“…In the current era, the rapid spread of Internet technology has combined with various traditional industries; this provides new research perspectives and…”
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Comprehensive utilization of solid waste resources: Development of wet shotcrete for mines
Published in International journal of minerals, metallurgy and materials (01-09-2023)“…The development of solid waste resources as constituent materials for wet shotcrete has significant economic and environmental advantages. In this study, the…”
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Sleep-related healthcare use prevalence among adults with insomnia symptoms in Hebei, China: a population-based cross-sectional study
Published in BMJ open (17-08-2022)“…ObjectiveThis study investigated the prevalence of sleep-related healthcare use and the factors associated with it among adults with different insomnia…”
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Preparation and Hydration Mechanisms of Low Carbon Ferrochrome Slag-Granulated Blast Furnace Slag Composite Cementitious Materials
Published in Materials (16-03-2023)“…Low carbon ferrochrome slag (LCFS) is the metallurgical waste slag from the carbon ferrochrome alloy smelting process. Compared with high carbon ferrochrome…”
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Probing Study on Separating Pb, Zn, and Fe from Lead Slag by Coal-based Direct Reduction
Published in ISIJ International (01-01-2017)“…Water-quenched lead slags are classified as hazardous materials because they contain a certain amount of heavy metals. In this study, coal-based direct…”
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Formation mechanism and thermal decomposition properties of hydration products of superfine tailings cemented paste backfill
Published in Arabian journal of chemistry (01-08-2023)“…Filling mining with solid waste resources as aggregates is an important development direction for cleaner production in mines. The hydration products have an…”
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Force Analysis and Strength Determination of the Cemented Paste Backfill Roof in Underhand Drift Cut-and-Fill Stopping
Published in Applied sciences (01-01-2023)“…The stability of the cemented paste backfill roof (CPB roof) is critical to safe production in mines using the underhand drift cut-and-fill stopping. To…”
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A Method Based on GA-CNN-LSTM for Daily Tourist Flow Prediction at Scenic Spots
Published in Entropy (Basel, Switzerland) (25-02-2020)“…Accurate tourist flow prediction is key to ensuring the normal operation of popular scenic spots. However, one single model cannot effectively grasp the…”
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