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Новости за 07.10.2024

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Target detection of helicopter electric power inspection based on the feature embedding convolution model

Plos.org 
En

by Dakun Liu, Wei Zhou, Linzhen Zhou, Wen Guan

This study aims to improve the helicopter electric power inspection process by using the feature embedding convolution (FEC) model to solve the problems of small scope and poor real-time inspection. First, simulation experiments and model analysis determine the keyframe and flight trajectory. Second, an improved FEC model is proposed, extracting features from aerial images in large ranges in real time and accurately identifying and classifying electric power inspection targets. Читать дальше...

Ameliorative effects of Penthorum chinense Pursh on insulin resistance and oxidative stress in diabetic obesity db/db mice

Plos.org 
En

by Jilei Hu, Leyu Zheng, Xi Fan, Hongmei Lang, Huibo Xie, Ning Lin

Background

Penthorum chinense Pursh (PCP), a medicinal and edible plant, has been reported to protect against liver damage by suppressing oxidative stress. Type 2 diabetes mellitus (T2DM) is associated with liver dysfunction and oxidative stress. In the present study, we aim to investigate the hypoglycemic effect of PCP on db/db mice and further explore the underlying mechanisms.

Methods

Thirty-two db/db mice were randomized into four groups... Читать дальше...

The association of mental health with physical activity and its dimensions in Chinese adults: A cross-sectional study

Plos.org 
En

by Changming Shen, Yan Li

Background

Selecting the most efficient type of physical activity that improves mental health can assist in choosing appropriate interventions. Hence, the objective of this study was to evaluate the associations between physical activity and its various aspects, including weekly physical activity, weekly walking and exercise sessions, and the frequency of walking and exercise per week, with the mental health of Chinese adults.

Methods

This cross-sectional... Читать дальше...

A bidirectional pedestrian macroscopic speed model construction based on pedestrian microscopic simulation experiments

Plos.org 
En

by Xiaocheng Gao, Hui Zhang, Hui Qi, Bin He

Studies of macroscopic speed modeling of bidirectional pedestrian cross-flows have relied heavily on scenario experiments, but the data itself may be deficient because large-scale scenario experiments are not easy to organize and subjects may not be walking under normal conditions. In order to explore the possibility of using microscopic pedestrian flow simulations for macroscopic speed modeling of pedestrian flows, a series of two-way pedestrian... Читать дальше...

Optimization of household medical waste recycling logistics routes: Considering contamination risks

Plos.org 
En

by Jihui Hu, Ying Zhang, Yanqiu Liu, Jiaqi Hou, Aobei Zhang

The escalating generation of household medical waste, a byproduct of industrialization and global population growth, has rendered its transportation and logistics management a critical societal concern. This study delves into the optimization of routes for vehicles within the household medical waste logistics network, a response to the imperative of managing this waste effectively. The potential for environmental and public health... Читать дальше...

miR-335-3p attenuates transforming growth factor beta 1-induced fibrosis by suppressing Thrombospondin 1

Plos.org 
En

by Dong-Hee Han, Min Kyoung Shin, Jung-Suk Sung, Min Kim

Pulmonary fibrosis is characterized by excessive extracellular matrix (ECM) accumulation caused by detrimental stimuli. The progressive impairment in lung functions is chronic and highly fatal, presenting itself as a global health challenge. Because of the lack of efficacious treatments, the underlying mechanism should be investigated. The progression of fibrosis involves transforming growth factor-beta 1 (TGF-β1), which accelerates... Читать дальше...



Why high-speed rail causes heterogeneous spatial patterns in firm innovation: Perspectives from intensive and extensive margins

Plos.org 
En

by Longfei Zheng, Huasheng Zhu, Kwok Yuen Fan, Zheng Chang

This study examines the impact of high-speed rail (HSR) on corporate innovation in China, analyzing county-level patent applications. Utilizing difference-in-differences regression, we break down the overall impact of HSR connectivity on innovation into two categories: extensive margins, where a greater number of firms become innovative, and intensive margins, where individual firms increase their level of innovation. HSR access has increased patent applications... Читать дальше...

Deprescribing of proton pump inhibitors in older patients: A cost-effectiveness analysis

Plos.org 
En

by Mingxi Xie, Joyce H. S. You

Over-prescribing of proton-pump inhibitors (PPIs) is widely observed in older patients. Clinical findings have showed that deprescribing service significantly decreased inappropriate PPIs utilization. We aimed to examine the cost-effectiveness of PPI deprescribing service from the perspective of Hong Kong public healthcare provider. A decision-analytic model was constructed to examine the clinical and economic outcomes of PPI deprescribing service (deprescribing... Читать дальше...

Genotype-phenotype correlation of ocular von Hippel-Lindau disease in Koreans

Plos.org 
En

by Sungsoon Hwang, Se Woong Kang, Jong-Won Kim, Sang Jin Kim

This scientific report aims to investigate the genotype-phenotype correlations of retinal hemangioblastoma (RH) in von Hippel-Lindau (VHL) disease. The study included 77 patients with genetically confirmed VHL disease who visited an ophthalmology clinic for the evaluation of RH. The presence, location, and size of RH were evaluated, Patients were categorized into three groups based on variants: HIF-1α binding site missense (HM)... Читать дальше...

Protein localization and potential function of lipocalin in Reticulitermes speratus queens

Plos.org 
En

by Takumi Hanada, Anji Kobayash, Hajime Yaguchi, Kiyoto Maekawa

To understand the mechanisms underlying social evolution and caste development in social insects, caste-specific organs and genes should be investigated. In the rhinotermitid termite, Reticulitermes speratus, the lipocalin gene RS008881, which encodes a protein transporter, is expressed in the ovarian accessory glands of primary queens. To obtain additional data on its expression and product localization, we conducted real-time... Читать дальше...

Новости России
Москва

С начала 2024 года сотрудники контакт-центра Отделения СФР по Москве и Московской области проконсультировали более 880 тысяч граждан


Molecular epidemiology and population genetics of Schistosoma mansoni infecting school-aged children situated along the southern shoreline of Lake Malawi, Malawi

Plos.org 
En

by John Archer, Lucas J. Cunningham, Alexandra Juhász, Sam Jones, Angus M. O’Ferrall, Sarah Rollason, Bright Mainga, Priscilla Chammudzi, Donales R. Kapira, David Lally, Gladys Namacha, Peter Makaula, James E. LaCourse, Sekeleghe A. Kayuni, Bonnie L. Webster, Janelisa Musaya, J. Russell Stothard

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Елена Рыбакина

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