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Новости за 06.12.2024

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Control strategy of the novel stator free speed regulating wind turbine generation system

Plos.org 
En

by Yanan Li, Jianhui Cui, Hongna Li, Bin Zhao

Building a high-proportion renewable energy power system is a key measure to address the challenges of the energy revolution and climate change. However, current high-proportion renewable energy systems face issues of frequency instability and voltage fluctuations. To address these challenges, this paper proposes a novel topology for a stator free speed regulating wind turbine generation system. The stator free speed regulating machine connects a gearbox and a synchronous generator... Читать дальше...

Non-fixation versus fixation of mesh in laparoscopic transabdominal preperitoneal repair of inguinal hernia: A systematic review and meta-analysis of randomized controlled trials

Plos.org 
En

by ChenXin Zhang, Jia Li, HaiJin Suo, JianPing Bai

Purpose

The impact of non-fixation of mesh in transabdominal preperitoneal (TAPP) inguinal hernia repair has not been fully assessed. The aim of this meta-analysis was to comprehensively compare the clinical outcomes of non-fixation and fixation of mesh in TAPP to determine whether non-fixation could affect the outcomes.

Methods

PubMed, Embase and CENTRAL were searched for studies on TAPP repair of inguinal hernia and mesh fixation published up to June 2023. Читать дальше...

Population evacuation path optimization based on potential field ant colony and extended cellular automata

Plos.org 
En

by Tiechao Liu, Chao Sun, Ning Sui, Mingxin Shen

An effective safety evacuation program is an important basis for safeguarding the lives of people, and reasonable planning of evacuation routes is of great significance for formulating personnel evacuation plans. This article considers the global search ability of the ant colony algorithm and the local search ability of the artificial potential field. The artificial potential field is integrated into the ant colony algorithm, and combined with the extended Moore type cellular automata... Читать дальше...



Research on complex dynamic behavior of automakers based on complex system theory

Plos.org 
En

by Jinhuan Tang, Xinying Si, Qiong Wu, Xiangchen Li

"Prevent minor issues before they become major problems, and prepare for the future." This study utilizes complex system theory to introduce a nonlinear dynamic system for examining the production and emission reduction strategies of new energy vehicle (NEV) and gasoline vehicle (GV) manufacturers under the dual credit (DC) policy over a long-term game process. By considering production delays, we analyze dynamic behaviors within a duopoly automotive system... Читать дальше...

Assessment of the viability of photovoltaic system implementation on the New Media Tower of Universitas Multimedia Nusantara using PVSyst software: A feasibility study

Plos.org 
En

by Fahmy Rinanda Saputri, Nicholas Robert, Agie Maliki Akbar

The urgency of addressing climate change, exacerbated by greenhouse gas emissions, necessitates sustainable solutions, including green building practices and renewable energy adoption. This study focuses on the feasibility of implementing solar photovoltaic systems at Universitas Multimedia Nusantara (UMN), particularly in Building C, known as the New Media Tower, which is designed with green building principles. Solar energy, an increasingly prominent renewable source... Читать дальше...

Cell modeling using frequency modulation

Plos.org 
En

by Jerry Jacob, Nitish Patel, Sucheta Sehgal

Computational models of the cell can be used to study the impact of drugs and assess pathological risks. Typically, these models are computationally demanding or challenging to implement in dedicated hardware for real-time emulation. A new Frequency Modulation (FM) model is proposed to address these limitations. This model utilizes a single sine generator with constant amplitude, while phase and frequency are modulated to emulate an action potential (AP). Читать дальше...

Somatic embryogenesis and shoot organogenesis in peanut cv. ‘Georgia-12Y’ and successful transfer to the soil

Plos.org 
En

by Poonam Khatri, Nirmal Joshee

An efficient regeneration system was established through somatic embryogenesis and shoot organogenesis using mature embryos explants of peanut cultivar ‘Georgia-12Y’. The role of plant growth regulator combinations was investigated for embryogenic callus and somatic embryo induction. Results showed that Murashige and Skoog (MS) medium supplemented with 20 μM picloram (4-amino 3, 5, 6-trichloropicolinic acid), casein hydrolysate (0.2 g/L), sucrose (30 g/L) and... Читать дальше...

Plantar sensory stimulation and its impact on gait and lower limb motor function in individuals with stroke: A systematic review and meta-analysis

Plos.org 
En

by Adamu Adamu Ahmad, Duangporn Suriyaamarit, Akkradate Siriphorn

Background

Stroke frequently leads to motor impairments, with almost half of the affected individuals experiencing diminished sensation, impacting their overall quality of life and autonomy. Rehabilitation efforts, however, often overlook somatosensory functions of the lower limbs. While plantar sensory stimulation activates receptors in the foot sole, its precise impact on the motor functions and gait of individuals with stroke is yet to be ascertained. Читать дальше...

Multiple factors on driving load in mountain area at night based on factor analysis

Plos.org 
En

by Hao Li, Heng Jiang, Jiabao Yang

Different driving environments may lead to increased mental workload and fatigue among drivers, consequently diminishing driving safety. To investigate the impact of various factors on drivers’ driving load, this study approaches the issue from three perspectives: external weather environment, road driving environment, and in-vehicle driving environment. Through the experimental modeling of the mountainous road section of Provincial Highway S208 in Chongyang County... Читать дальше...

Responses of fisheries ecosystems to marine heatwaves and other extreme events

Plos.org 
En

by Anthony R. Marshak, Jason S. Link

Marine ecosystems and their living marine resources (LMRs) continue to respond to the effects of global change, with environmental factors impacting marine fisheries biomass, distribution, harvest, and associated economic performance. Extreme events such as high-category hurricanes, harmful algal blooms, marine heatwaves, and large-scale hypoxia affect major regions and subregions of United States waters, with their frequency expected to increase over the next decades. Читать дальше...

Cultural, social, and economic influences on academic field choice among Jewish and Muslim students

Plos.org 
En

by Michael Zouari, Zeev Shtudiner

This study investigated the complex cultural, social, and economic factors influencing the choice of academic field among Jewish and Muslim students in Israeli higher education. By employing a mixed-methods approach, combining quantitative surveys and conjoint analysis, this research revealed significant differences between the two groups. Our findings indicate that Muslim students exhibit significantly higher levels of individualism compared to Jewish students, as measured by the individualism scale. Читать дальше...

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На северо-западе Москвы благоустроили Сходненскую набережную для прогулок


Study on the coupling coordination characteristics and influencing factors of ecological environmental civilization and resident public health in China—based on a modified coupling coordination model

Plos.org 
En

by Qian Xie, Yongkai Wang, Yingchun Zhang

As industrial technologies advance, climate change and environmental pollution increasingly pose threats to human health. This study examines the coupling coordination characteristics between ecological environmental civilization (EEC) and resident public health (RPH) to promote both higher public health standards and enhanced societal sustainability. Utilizing panel data from 31 provinces in China spanning from 2010 to 2022, this paper constructs evaluation indices for EEC and RPH. Читать дальше...


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