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The impacts of the COVID-19 pandemic on Australia's myasthenia gravis patients: A self-reported survey study.
Neurol Sci
December 2024
Eastern Health Clinical School, Monash University, Box Hill Hospital, Melbourne, VIC, 3128, Australia.
Introduction/aims: Previous studies have demonstrated high morbidity and mortality in patients with myasthenia gravis (MG) who acquired COVID-19. We aimed to identify the impact of the pandemic on MG disease control, treatment and quality of life.
Methods: A prospective observational cohort study was conducted to identify the impact of the COVID-19 pandemic on Australian patients with MG.
A Gaussian convolutional optimization algorithm with tent chaotic mapping.
Sci Rep
December 2024
Hangzhou Dianzi University, Baiyang Street, Hangzhou, 310018, China.
To solve the problems of the traditional convolution optimization algorithm (COA), which are its slow convergence speed and likelihood of falling into local optima, a Gaussian mutation convolution optimization algorithm based on tent chaotic mapping (TCOA) is proposed in this article. First, the tent chaotic strategy is employed for the initialization of individual positions to ensure a uniform distribution of the population across a feasible search space. Subsequently, a Gaussian convolution kernel is used for an extensive depth search within the search space to mitigate the likelihood of any individuals converging to a local optimum.
View Article and Find Full Text PDFRevealing urban area from mobile positioning data.
Sci Rep
December 2024
ANETI Lab, Corvinus Institute for Advanced Studies, Corvinus University of Budapest, Budapest, 1093, Hungary.
Researchers face the trade-off between publishing mobility data along with their papers while protecting the privacy of the individuals. In addition to the anonymization process, other techniques, such as spatial discretization and location concealing or removal, are applied to achieve these dual objectives. The primary research question is whether concealing the observation area is an adequate form of protection or whether human mobility patterns in urban areas are inherently revealing of location.
View Article and Find Full Text PDFScheduling optimization of ship plane block flow line considering dual resource constraints.
Sci Rep
December 2024
College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin, People's Republic of China.
A well-designed scheduling plan that meets the practical constraints of the workshop is crucial for enhancing production efficiency in ship plane block assembly. Unlike traditional flow line scheduling problems, the scheduling optimization problem for ship plane block flow line involves dual resource constraints, including work teams and spare parts supply limitations. This can be seen as a Dual Resource Constrained Blocked Flow Shop Scheduling Problem (DRCBFSP).
View Article and Find Full Text PDFDetermination of carbonation rate of precipitated calcium carbonate in carbonation process based on headspace gas chromatography.
J Chromatogr A
December 2024
School of Chemical Engineering, Guizhou Minzu University, Guiyang, China. Electronic address:
This paper reports a method for determining the carbonation rate (CR) of precipitated calcium carbonate (PCC) during carbonation process based on headspace gas chromatography technique. The method was carried out by simultaneously detecting the signal values of carbon dioxide and oxygen. Then the carbonation rate of precipitated calcium carbonate in the carbonation process can be calculated by the ratio (γ) of carbon dioxide to oxygen based on a new mathematical model.
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