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49881
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49882
An Elastoplastic Softening Damage Model for Hydraulic Fracturing in Soft Coal Seams
Published 2018-01-01“…The model then was implemented to FLAC3D finite difference software to be verified with the on-site results of the Number 2709 coalface in Datong coal mine, China. The modelling results of fracture-influenced radius show good consistency with on-site results. …”
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49885
Safety Risk Evaluation of Large and Complex Bridges during Construction Based on the Delphi-Improved FAHP-Factor Analysis Method
Published 2022-01-01“…With the increase in construction scale and difficulty of large and complex bridges in China, it has become increasingly difficult to assess the safety risks of bridges during the construction period. …”
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49886
Optimization of a two-stage emergency logistics system considering public psychological risk perception under earthquake disaster
Published 2024-12-01“…Abstract To enhance the level of emergency supplies deployment during earthquake disaster, this study focuses on emergency logistics in China. An integrated two-stage optimization framework is adopted to incorporate demand and time satisfaction indicators into the supply allocation and route optimization models, respectively. …”
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49887
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49888
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49890
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49891
Comparative metagenomics reveals the metabolic flexibility of coastal prokaryotic microbiomes contributing to lignin degradation
Published 2025-01-01“…Here, we developed two groups of lignin degrading consortia, L6 and L18, through the 6- and 18-month in situ lignin enrichments in the coastal East China Sea, respectively. Lignin degradation by L18 was 3.6-fold higher than L6. …”
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49892
Deep Neural Learning Adaptive Sequential Monte Carlo for Automatic Image and Speech Recognition
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49893
Assembly and characterization of the complete mitogenome of Bauhinia purpurea (Leguminosae)
Published 2025-01-01“…Bauhinia purpurea, a species from the legume family Leguminosae, is widely distributed in South China and has high ornamental value. Here, we sequenced and assembled the mitogenome of B. purpurea to provide a useful genetic resource for further evolutionary studies. …”
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49894
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49895
Statistical Downscaling of ERA-Interim Forecast Precipitation Data in Complex Terrain Using LASSO Algorithm
Published 2014-01-01Get full text
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49896
Preparation and Corrosion Resistance of Superhydrophobic Coating on AZ31 Magnesium Alloy
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49897
Intelligent Video Surveillance Technology in Intelligent Transportation
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49898
Intercultural and Intertextual Crossings in Sarah Howe’s Loop of Jade (2015)
Published 2022-11-01“…It also explores the political dimensions of Howe’s use of intertextuality, denouncing China’s history of repression and censorship, as well as the violence against women and the anxiety of miscegenation in traditional culture. …”
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49899
Diversity, Distribution, and Evolution of Bioluminescent Fungi
Published 2024-12-01“…With the caveat that most regions of the world have not been extensively sampled for bioluminescent fungi, the areas with the most known species are Japan (36), South America (30), North America (27), Malesia, South Asia, and Southeast Asia (26), Europe (23), Central America (21), China (13), Africa (10), Australasia, Papua New Guinea, and New Caledonia (11), and the Pacific Islands (5). …”
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49900
FATIGUE STRENGTH ANALYSIS AND OPTIMIZATION OF FSC RACING EXHAUST SYSTEM
Published 2020-01-01“…The exhaust pipe of engine is subjected to alternating load of low and high temperatures during operation,which is prone to fatigue damage.For the FSC(Formula Student China) racing engine with the highest speed of 11 000 r/min~13 OOOr/min,the exhaust pipe fatigue problem is more serious.In this paper,the FSC racing exhaust system is taken as the research object to analyze its fatigue strength and optimize the exhaust pipe thickness.Firstly,the Fluent software is used to analyze the conjugate heat transfer of the exhaust system to determine the temperature distribution of the exhaust system.Then the temperature distribution is mapped to the finite element mesh of the exhaust system,and the thermal stress and thermal strain are analyzed by finite element technology.Subsequently,two schemes including exhaust manifold " normal operation-parking cooling" cycle and extreme working condition cycle are designed to carry out the thermal cycle simulation.It is found that the exhaust gas accumulates plastic deformation under the alternating load of each cycle,and the exhaust system will eventually crack and be destroyed.Finally,the fatigue life of the two schemes is studied by using Ansys nCode DesignLife fatigue analysis software.The results show that both schemes effectively reflect the life expectancy of low-cycle fatigue damages under the combined action of exhaust manifold temperature field,thermal stress and strain.Based on the above analysis,the exhaust thickness is optimized by the extreme working condition circulation scheme.and it is verified by experiments that the 1.2 mm thickness steel pipe meets the FSC exhaust requirements.…”
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