Long Yu
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View article: Evaluating the student nutrition improvement program: regional disparities and nutritional trends in Yunnan, China (2019–2023)
Evaluating the student nutrition improvement program: regional disparities and nutritional trends in Yunnan, China (2019–2023) Open
Background In order to improve the nutrition and health status of rural school-age children and to reduce malnutrition. This study evaluated the effects of the National Nutrition Improvement Program for Rural Compulsory Education Students …
View article: Multi-step optimization with operational scenarios for hull form and propulsor design for pod-driven cruise ships
Multi-step optimization with operational scenarios for hull form and propulsor design for pod-driven cruise ships Open
View article: Health Risk Assessment of Park Environment Based on Particulate Matter (PM2.5) - A Case Study of Mianyang City
Health Risk Assessment of Park Environment Based on Particulate Matter (PM2.5) - A Case Study of Mianyang City Open
Air pollution seriously harms human health, especially the fine particulate matter (PM 2.5 ) in pollutants is more harmful to the human body. Urban parks are important public places for residents’ activities, and the air quality of the par…
View article: Research on machining technology of stepped boring for intersecting holes in aircraft
Research on machining technology of stepped boring for intersecting holes in aircraft Open
During the assembly process of a large-scale aircraft fuselage, critical bearing areas require the drilling of intersecting holes, which are commonly processed using traditional single-edged reamers by most domestic manufacturers. To impro…
View article: Numerical and Experimental Analysis of Lifting Forces of Fin Stabilizers with Fin–Hull Interaction
Numerical and Experimental Analysis of Lifting Forces of Fin Stabilizers with Fin–Hull Interaction Open
A fin stabilizer is one of the most effective and frequently used anti-roll devices for maintaining a ship’s operational safety and passengers’ comfort. However, the discrepancy between theoretical hydrofoil-based predictions and the actua…
View article: An Equivalent Linear Method to Predict Nonlinear Bending Mechanics of Dredging Floating Hose String
An Equivalent Linear Method to Predict Nonlinear Bending Mechanics of Dredging Floating Hose String Open
Dredging hoses are flexible and are particularly suitable for slurry transportations for mud or sand in dredging projects. To achieve sufficient bending stiffness and to prevent the pipe body from collapsing, this type of hose segment is a…
View article: Electroacupuncture on GB acupoints improves osteoporosis via the estradiol–PI3K–Akt signaling pathway
Electroacupuncture on GB acupoints improves osteoporosis via the estradiol–PI3K–Akt signaling pathway Open
Recent studies have reported that electroacupuncture (EA) can treat osteoporosis, but most of which were based on the “kidney governing bones” theory. However, the ancient Chinese medical textbook Huangdi Neijing pointed out that “Gallblad…
View article: Rose Bengal induced formation of thrombosis in rats and an investigation of cardiovascular worries by haematological changes
Rose Bengal induced formation of thrombosis in rats and an investigation of cardiovascular worries by haematological changes Open
Background: The present investigation planned to study the cardiovascular worries in Rose Bengal (RB) induced thrombotic rats by analysing biochemical profile of plasma, platelet membrane and cardiac tissue. Methods: Male Wistar rats were …
View article: Experimental and Numerical Resistance Analysis for a Cruise Ship W/O Fin Stabilizers
Experimental and Numerical Resistance Analysis for a Cruise Ship W/O Fin Stabilizers Open
Applying fin stabilizers is an effective solution for ship rolls on waves in a seaway. They generally consist of one or two pairs of retractable fins that are symmetrically mounted to both sides of the ship, effectively reducing the roll m…
View article: Extraction of Fracture Toughness Parameters by Ring-Notched Small Punch Specimen Using Cohesive Model
Extraction of Fracture Toughness Parameters by Ring-Notched Small Punch Specimen Using Cohesive Model Open
The fracture toughness of in-service equipment and irradiation materials can be obtained from the ring-notched small punch specimen. The cohesive model was used to describe the ductile fracture behavior and crack propagation process of T91…
View article: Dynamic Response of 6MW Spar Type Floating Offshore Wind Turbine by Experiment and Numerical Analyses
Dynamic Response of 6MW Spar Type Floating Offshore Wind Turbine by Experiment and Numerical Analyses Open