43,320 Result(s)
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**li Meng
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Article
Magnetocaloric effect and phase transition critical behavior of La0.75Sr0.25Mn0.9Co0.1O3 compound synthesized under the high pressure
In this study, a novel method is proposed for producing perovskite rare-earth manganese oxide magnetic refrigeration materials that exhibit superior properties compared to similar materials. The maximum magnet...
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Experimental Study on the Variation of Optical Imaging Characteristics with Zenith Angle due to Internal Solitary Waves in Sunglint
Internal solitary waves (ISWs) change the roughness of the sea surface, thus producing dark and bright bands in optical images. However, reasons for changes in imaging characteristics with the solar zenith ang...
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Cimifugin Mechanism of Action from Saposhnikovia divaricata in the Treatment of Atopic Dermatitis
The present study aimed to explore the mechanism of action of cimifugin, the primary active ingredient in Saposhnikovia divaricata (Turcz.) Schischk., Apiaceae, in treating atopic dermatitis. BALB/c mice were gro...
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Effect of Fluoride on the Ion-association of Calcium Phosphate and Crystallization of Hydroxyapatite
Using a titration setup to accurately control the reaction conditions and in situ monitor the reaction, we showed that fluoride exhibited negligible effects on the ion association process of calcium and phosph...
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Article
Regulation of fadR on the ROS defense mechanism in Shewanalla oneidensis
Protein FadR is known as a fatty acid metabolism global regulator that sustains cell envelope integrity by changing the profile of fatty acid. Here, we present its unique participation in the defense against r...
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Long-Term Survival and Recurrence Patterns in Locally Advanced Esophageal Squamous Cell Carcinoma Patients with Pathologic Complete Response After Neoadjuvant Chemotherapy Followed by Surgery
The higher pathologic complete response (pCR) after neoadjuvant chemoradiotherapy compared with neoadjuvant chemotherapy for locally advanced esophageal squamous cell carcinoma (ESCC) has not translated into s...
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Preparation of (S)-epichlorohydrin using a novel halohydrin dehalogenase by selective conformation adjustment
Chiral epichlorohydrin (ECH) is an attractive intermediate for chiral pharmaceuticals and chemicals preparation. The asymmetric synthesis of chiral ECH using 1,3-dicholoro-2-propanol (1,3-DCP) catalyzed by a h...
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Article
Dynamic rotation medical image encryption scheme based on improved Lorenz chaos
With the rapid development of AI technology and the continuous improvement of Internet technology, information technology and intelligent technology are gradually combined with medical treatment, which has giv...
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Article
A novel de-noising method for NMR echo data obtained from tight sandstone reservoirs
To improve the signal-to-noise ratio (SNR) of nuclear magnetic resonance (NMR) echo data with SNR below 8 obtained from tight sandstone reservoirs and improve the accuracy of the porosity obtained from ...
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Article
Digital twin enhanced fault diagnosis reasoning for autoclave
Autoclave is the most important equipment in the composite curing process, and its real-time condition has a direct impact on the quality of composite materials. Therefore, rapid and precise fault diagnosis re...
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Article
Dual stage black-box adversarial attack against vision transformer
Relying on wide receptive fields, Vision Transformers (ViTs) are more robust than Convolutional Neural Networks (CNNs). Consequently, some transfer-based attack methods that perform well on CNNs perform poorly...
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Article
Hydrogeochemical Characteristics and Evolution Processes of Multilayer Karst Aquifer in the Huayingshan Coalfield, Southwest China
The Huayingshan coalfield is one of the most important coal districts in Southwest China. Coal mining may have an impact on the hydrochemical characteristics and regional evolution of karst groundwater. This s...
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Article
A new finite-time tracking strategy for DC motor servo system and its application in vehicle active steering
This paper aims to address a challenging problem in tracking control of the brushless direct current (DC) motor servo systems: achieving the desired tracking accuracy within a prescribed time between the motor...
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Small target detection in drone aerial images based on feature fusion
The use of object detection technology in unmanned aerial vehicles is a crucial area of research in computer vision. Aerial images captured by drones exhibit differences in object shape and size compared to tr...
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Article
Solidification/Stabilization of Chromium in Red Mud-based Geopolymer
Up to 1.5wt% of Cr(III) salts (CrCl3, and Cr2O3) and Cr(VI) salts (Na2CrO4, and CaCr2O7) were incorporated into red mud-based geopolymers, respectively. The solidification/stabilization, compressive strength, and...
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Article
A multi-scale feature extraction and fusion method for bearing fault diagnosis based on hybrid attention mechanism
Bearing failure is one of the most common failures in rotating mechanical. Therefore, rapid and accurate diagnosis of bearing faults is of great significance for ensuring the reliability of equipment. In recen...
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Article
Classic and alternative disinfection practices for preventing of hospital-acquired infections: a systemic review
Ultraviolet (UV) disinfection technologies are well-known tools for microbial prevention in indoor public places which are frequently employed for disinfecting air, surfaces, and water. Such technologies have ...
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Article
A computation offloading strategy for multi-access edge computing based on DQUIC protocol
Computation offloading can efficiently expand edge resources and is widely used to perform computing-intensive and delay-sensitive tasks. The inability of existing offloading strategies to pay attention to bot...
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Article
Textile production by additive manufacturing and textile waste recycling: a review
The rapid growth of textile industry and fast-fashion has led to the production of about 92 million ton of textile waste per year. Nearly 85% of textile waste is disposed of by landfill and incineration, causi...
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Understanding Chinese teachers’ informal online learning continuance in a mobile learning community: an intrinsic–extrinsic motivation perspective
While extensive studies on informal online learning have been well documented to afford teachers’ collaborative learning and knowledge sharing, little is still known about their motivational factors regarding ...
