674 hasil untuk "Xi Lin"
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Uniqueness of the Weak Solution to a Cross-Diffusion System Without Volume Filling
We consider a system of parabolic partial differential equations with a cross-diffusion phenomenon. Previous results showed that a weak solution exists to the semiconductor model with electron-hole scattering. In this work, we show that this weak solution exists uniquely. For weak solutions of…
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First-Time Chinese Online Students’ Expectations of Their Instructors in Fully Online Learning Environments
The global COVID-19 lockdowns caused universities to shift from face-to-face instruction to online. Since online teaching was used as a supplement to the traditional in-person instruction before the pandemic in China, Chinese college students were forced to learn in fully online learning (FOL)…
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Self-regulated learning strategies of adult learners regarding non-native status, gender, and study majors
The number of adult learners is growing rapidly in the US institutions, and these learners have become an important student population in colleges. Therefore, it is important to understand their learning strategies in order to better assist them to achieve academic goals. Meanwhile, US institutions…
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Analysis of global martingale solutions to a stochastic degenerate cross-diffusion system with volume-filling
Abstract In this work, we show that a global martingale solution exists to a stochastic degenerate cross-diffusion system. Previous results showed that for some stochastic cross-diffusion systems without degeneration, martingale solutions exist. The existence of a martingale solution has to be…
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Global martingale solutions to a stochastic degenerate cross-diffusion ion transport system with volume-filling
Abstract The existence of global martingale solutions to a stochastic degenerate cross-diffusion system is shown. Previous results have shown that for some non-degenerate stochastic cross-diffusion systems, martingale solutions exist. When the degeneration phenomenon is involved, the existence of a…
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Protecting AI-Generated Images as Works of Fine Art in China: Magnifying the Legacy of Art to Copyright
Generative artificial intelligence (AI) challenges copyright by raising questions about whether AI-generated content (AIGC) qualifies as protectable works and who should own the associated rights. The Chinese judiciary addressed these issues in Li Yunkai v Liu Yuanchun (Li v Liu), a landmark case…
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The impact of innovative human capital on green growth convergence in China's regions from the perspective of space
The convergence of green growth is not only very important for the sustainable development of mankind, but also plays a key role in the coordinated development of eastern, Midwest regions of China. The effect of innovative human capital (IHC) on the convergence of regional green growth in China…
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An Optimized Gasper Consensus Protocol Resistant to Adversarial Bias Attacks
Blockchain consensus mechanisms are fundamental to the security and decentralization of distributed ledgers. In Proof-of-Stake (PoS) systems, which are lauded for their energy efficiency, the fair and unpredictable selection of block proposers is paramount and relies heavily on secure random number…
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Exploring the characteristics of adults’ online learning activities: a case study of EdX online institute
Online learning has become a prevailing trend among adult learners. Therefore, this study investigated the learning time preference and the relationship between the course completion and learning activities among adult learners based on data from one online learning platform. Results indicate that…
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An Exploratory Study of the Effect of Online Learning Readiness on Self-Regulated Learning
This exploratory quantitative study investigates the relationship between online learning readiness (OLR) and self-regulated learning (SRL), precisely the effect of OLR on SRL in an online learning context among 262 Chinese college students taking fully online courses. Results indicate that…
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Reducing local tension to repair nasal septal deviation and spur
Objectives: To introduce our method managing nasal septal spurs during endoscopic septoplasty. Methods: We conducted a prospective study of cases treated with endoscopic septoplasty between March 2022 and June 2023. We innovated a surgical method to reduce the local mucosal tension at the spur by…
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CircPRELID2 functions as a promoter of renal cell carcinoma through the miR-22-3p/ETV1 cascade
Abstract Background Emerging evidence has indicated that a number of circular RNAs (circRNAs) participate in renal cell carcinoma (RCC) carcinogenesis. Nevertheless, the activity and molecular process of circPRELID2 (hsa_circ_0006528) in RCC progression remain unknown. Methods CircPRELID2…
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Clinical analysis of 40 cases of external cephalic version without anesthesia
OBJECTIVE: This study aimed to investigate the success rate, complications, and success-related factors of external cephalic version (ECV) of singleton breech pregnancies after 37 gestational weeks without anesthesia. METHODS: We studied 40 singleton breech pregnancies in women who underwent ECV…
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Frontal Sinus Fractures: Management and Complications
Frontal sinus fractures are relatively rare maxillofacial injuries (only 5–15% of all facial fractures). The appropriate management of frontal sinus fracture and associated pathology is controversial. Diagnosis and treatment of frontal sinus fractures has improved with the advances of…
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Underwater object detection method based on learnable query recall mechanism and lightweight adapter
With the rapid development of ocean observation technology, underwater object detection has begun to occupy an essential position in the fields of aquaculture, environmental monitoring, marine science, etc. However, due to the problems unique to underwater images such as severe noise, blurred…
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Mitochondrial complex I subunit MT-ND1 mutations affect disease progression
Mitochondrial respiratory chain complex I is an important component of the oxidative respiratory chain, with the mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 1 (MT-ND1) being one of the core subunits. MT-ND1 plays a role in the assembly of complex I and its enzymatic…
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Impact of the COVID-19 pandemic on agricultural exports
The COVID-19 outbreak has shocked the world's economies in the year of 2020. As this pandemic spreads around the globe, many experts feared that the global food supplies might start running short, especially if supply chains were disrupted. COVID-19 also added to the uncertainty of the business…
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College Students’ Preferences for Milk Tea: Results from a Choice Experiment
(1) Background: Although China is one of the largest tea-producing countries in the world, the Chinese tea industry is facing a decline in profits. However, an explosive market, namely milk tea, has garnered the attention of certain famous tea companies, several of which have launched milk tea…
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Analysis of the anti-kink hydraulic system and running mode of low-floor trams
Based on the analysis of the structure and operation mode of low-floor urban trams, the structure, principle, components and technical parameters of the anti-kink hydraulic system which specially set up were described, and the application characteristics of the hydraulic system technology were…