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Failure Mechanism and Control Technology of Thick and Soft Coal Fully Mechanized Caving Roadway under Double Gobs in Close Coal Seams
Published 2020-01-01“…From on-site measurement, the roadway was seen to be arranged in the lateral stress stabilization area of the stepped coal pillars, the combined support technology of the grouting anchor cable (bolt) + U type steel + a single prop was adopted, the roadway deformation was small, the gas influx was reduced, and the drawing force of the anchor bolt and the anchor cable was increased to approximately 160 kN and 350 kN, respectively. …”
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Evaluation of the vibration state and determination of the stress-strain state of the trash-rack structure of the hydroelectric power plants
Published 2024-02-01“…The stresses in the metal struts do not exceed the standard values for the steel used. The performed direct measurement of vibration of structural elements demonstrated that the most dangerous frequency range is 40.30–41.75 Hz.Conclusions. …”
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Application of simulation of needle puncture with banana model in the teaching of straight buttonhole technique (香蕉模拟穿刺模型在直行式扣眼穿刺教学中的应用)
Published 2021-05-01“…Methods The banana model was used to replace the buttonhole of human arteriovenous fistula, 16G steel needle was used for escharectomy and 16G blunt needle was used for puncture. …”
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Work conditions and determinants of health status among industrial shift workers: a cross-sectional study
Published 2025-01-01“…IntroductionThis study investigated potential health status differences among forging, manufacturing, and logistics workers.MethodsWe included 403 participants (age: 41 ± 12 years) from a medium-sized steel company (forge: 64, manufacturing: 299, logistics: 99). …”
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Analysis of Fatigue Crack Propagation of an Orthotropic Bridge Deck Based on the Extended Finite Element Method
Published 2019-01-01“…As one of the most fatigue-sensitive parts of an orthotropic steel bridge deck, the weld between the U-rib and the top deck is prone to fatigue cracking under the actions of the stress concentration, welding residual stress, and vehicle load. …”
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Method for Rapid Labeling of Waste Sludge from a Food Factory with 15N-Glycine and Evaluation of N Use Using Komatsuna (Brassica rapa Var. perviridis)
Published 2021-01-01“…This sludge was mixed with 25 g of newspaper chips, packed between two steel meshes, and placed at 20 cm depth in the reactor composting 200 kg of unlabeled sludge-paper mixture. …”
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Antibiofilm activity of 3,3'-diindolylmethane on Staphylococcus aureus and its disinfection on common food-contact surfaces
Published 2022-09-01“…DIM exhibited a strong inhibition to S. aureus biofilm formation on common food-contact surfaces, including 304 stainless steel, glass, and polyvinyl chloride (PVC) but not disperse the mature biofilm. …”
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