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Collaborative control technology and application of support and modification for soft-rock roadway in a kilometer-deep coal mine.
Sci Rep
January 2025
School of Mine Safety, North China Institute of Science and Technology, Langfang, 065201, China.
The soft-rock roadways in kilometer-deep coal mines are often damaged by large deformation and have to be periodically expanded and repaired, which seriously restricts the safe and efficient production of coal mines. A typical soft-rock roadway in a kilometer-deep coal mine is selected as the engineering, and the main reasons for roadway deformation are analyzed, and the ground stress and mechanical characteristics are obtained. The Flac numerical model, which can accurately reflect the deformation characteristics of surrounding rock in kilometer-deep soft-rock roadway, has been constructed, and the evolution laws of stress field and its damage mechanism have been analyzed with the vertical stress, vertical displacement and plastic zone.
View Article and Find Full Text PDFDynamic Methane Emissions from China's Fossil-Fuel and Food Systems: Socioeconomic Drivers and Policy Optimization Strategies.
Environ Sci Technol
January 2025
State Key Laboratory of Marine Resources Utilization in South China Sea, School of Marine Science and Engineering, Hainan University, Haikou 570228, China.
In response to the 2023 "Action Plan for Methane Emission Control" in China, which mandates precise methane (CH) emission accounting, we developed a dynamic model to estimate CH emissions from fossil-fuel and food systems in China for the period 1990-2020. We also analyzed their socioeconomic drivers through the Logarithmic Mean Divisia Index (LMDI) model. Our analysis revealed an accelerated emission increase (850.
View Article and Find Full Text PDFAluminum Induces Neurotoxicity through the MicroRNA-98-5p/Insulin-like Growth Factor 2 Axis.
ACS Chem Neurosci
January 2025
Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China.
Aluminum is a well-known and widely distributed environmental neurotoxin. This study aimed to investigate the effect of miR-98-5p targeting insulin-like growth factor 2 (IGF2) on aluminum neurotoxicity. Thirty-two Sprague-Dawley rats were randomly divided into four groups and administered 0, 10, 20, and 40 μmol/kg maltol aluminum [Al(mal)], respectively.
View Article and Find Full Text PDFAnalysis of Mortality and Life Expectancy Determinants Among 5,791 Deceased Pneumoconiosis Patients - Jiangsu Province, China, 2011-2023.
China CDC Wkly
December 2024
Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing City, Jiangsu Province, China.
Pneumoconiosis is the occupational disease with the highest proportion in China. This study conducted a retrospective analysis of 5,791 deceased pneumoconiosis patients. In this study, males comprised 93.
View Article and Find Full Text PDFTranscriptomic analysis reveals the crucial role of YABBY genes family in hormonal induced parthenocarpy in Cucumis sativus L.
BMC Plant Biol
January 2025
Key Laboratory of Biology and Genetic Resources of Tropical Crops, Sugarcane Research Center, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Ministry of Agriculture, Haikou, Hainan, 571101, China.
Background: The plant-specific YABBY transcription factor family plays several activities, including responding to abiotic stress, establishing dorsoventral polarity, and developing lateral organs. Cucumis sativus L. commonly referred to as cucumber and one of the first vegetable crops with a fully sequenced genome.
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