Kết quả tìm kiếm - Cheng Yan

In order to improve the detection accuracy of SSD (Single Shot MultiBox Detector), an A-SSD (Anchor-object SSD) object detection algorithm based on Anchor-object matching is proposed. In the feature extraction part of the algorithm, parallel convolution and hole convolution are used to form the rece...

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Workshop staff detection is to use the target detection technology to detect the staff in the corresponding area of the factory production workshop, to ensue the life, health and safety of the staff in the production workshop. In this paper, the improved dark channel priority processing strategy is...

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Aiming at the multiobjective cloud resource scheduling problem, with the goal of optimizing the total completion time and total execution cost of the task, a fuzzy cloud resource scheduling model is established using the method of fuzzy mathematics.Utilizing the advantage of the covariance matrix t...

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Due to unique physicochemical properties including high surface-to-volume ratio, abundant active sites, and tunable surface functionalities, two-dimensional (2D) materials have emerged as an intriguing platform for anti-inflammatory therapy. This review comprehensively explores the physicochemical c...

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Association rule mining is mainly used to discover knowledge hidden in the data. Weighted association rule mining can mine rules with different importance of the project more effectively. There is a certain subjective arbitrariness in the method of artificial weight assignment, existing the problem...

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ObjectiveTo explore the association between signal transducer and activator of transcription 3 (STAT3) expression, tumor immune microenvironment, and overall survival (OS) in breast cancer, and to develop a non-invasive radiomics model for early risk stratification using dynamic contrast-enhanced ma...

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We demonstrate a state variable fiber pulse laser based on a graphene-integrated microfiber device. A 3-D microfiber coil integrated with graphene acts as a polarization-sensitive saturable absorber. By adjusting the polarization controllers, stable Q-switched pulses and mode-locked rectangular puls...

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Hydroponic experiment was carried out to study the effects of CO₂ concentration on the growth and nutrient uptake of tomato seedlings. The results showed that CO₂ enrichment significantly increased the accumulation of dry matter of tomato seedlings, espe...

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The effects of a new fertilization method - NDSA (nitrogen depot with saturated ammonium) on the loss of nitrogen from ammonia volatilization and N leaching were studied by imitation experiments. The results showed that NDSA fertilization method led not only to delay ammonia volatilization, but also...

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The transition period is defined as 3 weeks around parturition, involving the rapid increase in the energy demand, promoting adipose mobilization and non-esterified fatty acid (NEFA) release. High NEFA levels might cause oxidative stress and associated health risks, including the disruption of the i...

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[Objective] To investigate the effects of different storage temperatures and durations on the activities of coagulation factor Ⅷ (Factor Ⅷ, FⅧ) and coagulation factor Ⅸ (Factor Ⅸ, FⅨ) after whole blood collection, so as to provide data support for the optimal storage conditions. [Methods] A total of...

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Water shortage is a serious issue threatening the sustainable development of agriculture in the North China Plain, with the winter wheat (Triticum aestivum L.) as its largest water-consuming crop. The effects of tillage practices on the water consumption and water use efficiency (WUE) of wheat under...

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The magneto-refractive properties of Er/Yb co-doped silica fiber (EYDF) are important in magnetic field sensing. Here, we proposed a theoretical calculation model of the EYDF using density functional theory (DFT) and demonstrated it by an interferometric digital hologram magneto-refractiv...

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Abstract: In the rice cytoplasmic-genetic male sterility (CMS) system, the combination of a CMS line, maintainer line and restorer line carrying the restorer gene to restore fertility, is indispensable for the development of hybrids. However, the process of screening for the trait of fertility resto...

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Changes in the soil nematode community induced by global warming may have a considerable influence on agro-ecosystem functioning. However, the impacts of predicted warming on nematode community in farmland (e.g., winter wheat field) have not been well documented. Therefore, a field experiment with f...

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Summary: Stanford type B aortic dissections often exhibit helical morphology. However, the influences of structural helicity on periprocedural and mid-to long-term adverse events after thoracic endovascular aortic repair (TEVAR) remain unclear. In this article, a total of 197 patients who underwent...

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Single spore isolation is a fundamental approach in plant pathology and mycology to isolate and identify plant fungal pathogens from diseased samples. However, routine single spore isolation procedure is time-consuming and has a high risk of contamination by other microorganisms. In this study, we d...

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