ZhenYu Yuan

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Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology, Nanjing University, Nanjing, 210093, China Urban and Regional Research Centre Utrecht, Faculty of Geosciences, Utrecht University, Utrecht, 3584 CS, The Netherlands Geoinformatics, Royal Institute of Technology, 10044, Stockholm, Sweden State Key Laboratory of Resources and(More)
Chitosan has been used to cross-link poly(acrylic acid) to give three pH-sensitive hydrogels designed to control the release of the drugs amoxicillin and meloxicam. The extent of cross-linking and solution pH was found to dominate the swelling behavior of these hydrogels as shown by scanning electron microscopy and swelling time dependencies. The rates of(More)
This paper developed a fast and adaptive method for SAR complex image denoising based on l k norm regularization, as viewed from parameters estimation. We firstly establish the relationship between denoising model and ill-posed inverse problem via convex half-quadratic regularization, and compare the difference between the estimator variance obtained from(More)
Job engagement has received widespread attention in organizational research but has rarely been empirically investigated in the context of safety. In the present study, we examined the mediating role of job engagement in the relationships between job characteristics and safety performance using self-reported data collected at a coal mining company in China.(More)
The buffering effect of core self-evaluation (CSE) in stress research has received academic attention. However , most research in this area focused on its moderating effect on well-being. In the present study, we take a closer look at the moderating role of CSE in the relationship between challenge/hindrance stress and safety performance. Results indicated(More)
A novel platform for the development of highly efficient magnetic resonance imaging (MRI) contrast agents has been demonstrated. New contrast agents are designed and produced through electrostatic self-assembly of cationic gadolinium(III) complexes onto anionic spherical polyelectrolyte brushes (SPB). The structurally well-defined SPB are composed of(More)
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