Sökresultat - Qian Li

In recent years, China has been vigorously strengthening its international authority, consistently building its image as a responsible great power. One of the vivid manifestations of these efforts has been China’s active involvement in peacekeeping activities under the auspices of the United Nations...

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This paper presents the synthesis and characterization of Ni-TiN@CN nanocomposites fabricated via arc discharge, followed by dopamine polymerization and pyrolysis. The cubic morphology of the Ni-TiN cores and uniform CN encapsulation were confirmed by structural analyses. Electromagnetic evaluations...

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Objective: This study explored the mechanisms underlying eating behaviors among Chinese older adults using the COM-B model, which conceptualizes behavior through Capability, Opportunity, and Motivation components. Methods: A qualitative descriptive design was adopted. Semi-structured interviews were...

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Path planning in complex environments presents a substantial research challenge for mobile robots. This study introduces an enhanced ant colony algorithm based on islands (EACI) for mobile robot path planning. First, the original map’s grid cells—which could potentially cause ants to become trapped...

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The picosecond pulse can be directly generated in the integrated mode-locked laser, which reduces the size of light source to the optical chip. However, it is still a challenge to directly generate femtosecond pulses in the integrated scheme. In this work, we theoretically propose nearly self-simila...

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Trajectory reconstruction from sparse and noisy GPS data is critical for applications such as urban mobility analysis, transportation planning, and navigation systems. However, large sampling intervals and the typically long output sequences required to reconstruct coherent travel trajectories signi...

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Stimulated Brillouin scattering (SBS) is experimental investigated in several hundred microns in diameter microspheres with a little eccentricity by melting a fiber tip in a fusing splicer. Fourth order cascaded SBS at C-band (∼1540 nm) with 27 mW can be achieved with the abund...

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Excessive carbon dioxide (CO₂) emissions represent a critical challenge in mitigating global warming, necessitating advanced separation technologies for efficient carbon capture. Silica-based membranes have attracted significant attention due to their exceptional chemical, the...

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Effects of dietary iodine level on reproduction performance of gestation sow, serum parameters of sow and newborn piglets were studied. The results showed that iodine deficiency of sow could be avoided by adding 0.15 mg/kg iodine in diet. But the litter size could be increased 0.99, 0.78, 0.25 pigle...

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Composite tea plant features great annual growth and increase in the number of shoots. In the second year after grafting, the annual length of sprout ranges from 70 to 100 cm. The number, length and thickness of shoots all exceed those of the collar-pruned ones, which can play a positive role in dev...

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Experiments were carried out to study on the content of moisture, crude protein and lipid of muscle and fatty block, and of mineral element and amino acid of muscle, and on the fatty acid composition of muscle and fatty block in Chinese soft-shelled turtles (Trionyx sinensis). Results showed that pr...

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Lameness significantly compromises dairy cattle welfare and productivity. Early detection enables prompt intervention, enhancing both animal health and farm efficiency. Current computer vision approaches often rely on isolated lameness feature quantification, disregarding critical interdependencies...

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Recently, visible light communication (VLC) based on LEDs has attracted much attention. In order to realize multiusers indoor VLC systems, a reasonable channel model considering random shadowing, which is first proposed to the best of our knowledge, is significant. Taking the nonquantitative obstruc...

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Two hundreds and seventy chicks were randomly divided into three groups with ninety chicks in each group to study the effects of enzymes on carcass composition and calcium phosphorus metabolism in broiler chicks. The results showed that the enzymes increased the percentage of dissected breast and de...

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In this experiment, 600 Lingnan yellow broilers were selected to study the effect of different dosage methionine selenium (Met-Se) on growth performance, selenium retaining percentage and carcass composition. The results were as follows: in test 1, 2, 3 and 4, where the basic diet was supplemented w...

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<h4>Background</h4>Ankle instability, often secondary to anterior talofibular ligament (ATFL) injury, poses significant challenges in orthopedic management. This study aimed to evaluate the effectiveness and safety of arthroscopic suture anchor repair for ATFL in patients with ankle inst...

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A novel design of a tunable optical switch based on epsilon-near-zero (ENZ) metasurface is proposed, which can work as an electro-optical or an all-optical switch, and be tuned by gate-voltages, incident angles, and intensity of pump light. The result shows that the coupling of the ENZ mode and plas...

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Body temperature detection of pigs is vital for efficient pig breeding. In this study, a novel approach for individual pig temperature detection in a group-raised environment is proposed. The methodology includes three approaches: (1) a Porcine-ESRGAN algorithm based on generative adversarial networ...

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ObjectiveThis study aims to develop a machine learning (ML) model that integrates computed tomography (CT) radiomics with clinical features to predict the progression of pulmonary interstitial fibrosis in patients with coalworker pneumoconiosis (CWP).MethodsClinical and imaging data from 297 patient...

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Summary: Climate change threatens seagrass ecosystems, which are vital for blue carbon sequestration and associated co-benefits. Our study on Hainan Island in the South China Sea assessed climate impacts on seagrass habitats using ensemble modeling under two scenarios (RCP4.5 and RCP8.5) for 2050 an...

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