447 results for "Linlin Li"
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International Trade of CITES Listed Bird Species in China
Commercial trade of wild birds may devastate wild bird populations. Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) controls the trade of wild species listed in its appendices to avoid these species being threatened by international trade. China used to be…
Also available at: DOAJ
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Minimum dispersion coefficient criteria based positioning algorithm for BDS
The BeiDou navigation satellite system (BDS) is one of the four global navigation satellite systems. More attention has been paid to the positioning algorithm of the BDS. Based on the study on the Kalman filter (KF) algorithm, this paper proposed a novel algorithm for the BDS, named as the minimum…
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Self‐Powered Drug‐Delivery Systems Based on Triboelectric Nanogenerator
Triboelectric nanogenerator (TENG) can convert mechanical energy into electricity via the coupling of triboelectrification and electrostatic induction. Due to its advantages of flexible, lightweight, high‐energy conversion efficiency and shape‐adaptive ability, implantable and wearable TENG have…
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The association between self-compassion and eating disorders among female college students, the mediating role of psychological resilience, and the moderating role of physical exercise
ObjectiveEating disorders among female college students are often accompanied by psychological adjustment difficulties. This study examined the association between self-compassion and eating disorders and investigated the mediating role of psychological resilience and the moderating role of…
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Protocol for the quantitative detection of mtDNA in the supernatants of activated human naive CD8+ T cells
Summary: Here, we present a protocol for the quantitative characterization of human T cell aging. We describe steps for sample collection; peripheral blood mononuclear cell (PBMC) isolation; and the enrichment, assessment, and activation of naive CD8+ T cells. We then detail procedures for…
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A Syllabi Analysis of Social Media for Teaching and Learning Courses
The purpose of this syllabi analysis was to explore the structure of courses focused on social media and geared towards education professionals. Fourteen course syllabi from institutions located within the United States (U.S) were analyzed as part of this investigation. The results of the analysis…
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The paleoearthquakes of the Langshan Piedmont fault, North China since late Pleistocene
The Langshan Piedmont fault (LPF) is an active Holocene normal fault that borders Langshan Mountain and the Hetao Graben in the northwest of Ordos Block of China. In this study, paleoseismic trenching was undertaken at three sites and 11 fault outcrops are well exposed. The results show that eight…
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Reconstruction of China’s Farmland Rights System Based on the ‘Trifurcation of Land Rights’ Reform
With the aim of improving farmland use efficiency without damaging the social function of farmland, Chinese policymakers have proposed the ‘trifurcation of land rights’ reform. When it comes to realization of the law, however, neither the Ownership Model nor the Bundle of Sticks Model can…
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Efficient Image Reconstruction and Recognition Based on LRC-SNN
Most of existing classification methods for image sets are costly,having high computational complexity and poor timeliness.To address the problem,this paper proposes an improved image reconstruction and recognition algorithm.The algorithm uses the Linear Regression Classification(LRC) and Share…
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Application of organic frame materials in cancer therapy through regulation of tumor microenvironment
During tumorigenesis and cancer progression, tumor microenvironment (TME) is continuously remodeled and a high intertumoral heterogeneity emerges due to hypoxia, oxidative stress and acidosis, etc., Recently, modulation of TME has received increasing attention for improving cancer therapy, which…
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Mechanical Sensors for Cardiovascular Monitoring: From Battery-Powered to Self-Powered
Cardiovascular disease is one of the leading causes of death worldwide. Long-term and real-time monitoring of cardiovascular indicators is required to detect abnormalities and conduct early intervention in time. To this end, the development of flexible wearable/implantable sensors for real-time…
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Responses of Stream Geomorphic Indices to Piedmont Fault Activity in the Northern Segment of the Red River Fault Zone
Based on a digital elevation model (DEM) and GIS technology, we extracted and analyzed stream geomorphic indices—such as the slope, relief degree of the land surface (RDLS), hypsometric integral (HI) and channel steepness index (ksn)—of the Cangshan Piedmont Fault, Fengyi–Dingxiling Fault and Midu…
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Lacustrine sedimentary response to natural hazards
Lacustrine sediments store a wealth of information and are often used to indicate climate change. Natural disasters such as earthquake, flood, landslide or collapse usually form characteristic disturbances in lacustrine sediments, which can be analyzed and identified using lake geology methods…
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Recent Progress in Nanoscale Covalent Organic Frameworks for Cancer Diagnosis and Therapy
Abstract Covalent organic frameworks (COFs) as a type of porous and crystalline covalent organic polymer are built up from covalently linked and periodically arranged organic molecules. Their precise assembly, well-defined coordination network, and tunable porosity endow COFs with diverse…
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Parallel and Nonparallel Distributed Compensation Controller Design for T-S Fuzzy Discrete Singular Systems With Distinct Difference Item Matrices
The issues of admissibility and controller design for a class of extended T-S fuzzy discrete singular systems (FDSSs) with distinct difference item matrices are discussed in this article. A new augmented system which is the equivalent of the original system is introduced to convert these distinct…
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Prediction Method and CFD Analysis of Windage Power Loss for Aerospace High-Speed Herringbone Gear Pair
Herringbone gear pairs are critical in high-speed aerospace transmissions, where windage power loss significantly impacts efficiency and thermal management. This study proposes a prediction method that decomposes the total windage loss into five components based on structural features: the tooth…