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The emerging role of exercise as a cancer treatment

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Journal of sport and Health science 2024年第4期13卷 443-444页

作者： Kerry s.Courneya Faculty of Kinesiology Sportand RecreationCollege of Health SciencesUniversity of AlbertaEdmontonAlbertaT6G 2H9Canada

Over the past few decades,exercise oncology has emerged as an important subfield within exercise *** that time,substantial progress has been made in understanding the role of exercise in people newly diagnosed with ca... 详细信息

关键词： cancer treatment exercise

A Review on the Recent Trends of Image steganography for VANET Applications

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Computers, Materials & Continua 2024年第3期78卷 2865-2892页

作者： Arshiya s.Ansari Department of Information Technology College of Computer and Information SciencesMajmaah UniversityAl-Majmaah11952Saudi Arabia

Image steganography is a technique of concealing confidential information within an image without dramatically changing its outside *** vehicular ad hoc networks(VANETs),which enable vehicles to communicate with one another and with roadside infrastructure to enhance safety and traffic flow provide a range of value-added services,as they are an essential component of modern smart transportation *** steganography has been suggested by many authors for secure,reliable message transfer between terminal/hope to terminal/hope and also to secure it from attack for privacy *** paper aims to determine whether using steganography is possible to improve data security and secrecy in VANET applications and to analyze effective steganography techniques for incorporating data into images while minimizing visual quality *** to simulations in literature and real-world studies,Image steganography proved to be an effectivemethod for secure communication on VANETs,even in difficult network *** this research,we also explore a variety of steganography approaches for vehicular ad-hoc network transportation systems like vector embedding,statistics,spatial domain(sD),transform domain(TD),distortion,masking,and *** study possibly shall help researchers to improve vehicle networks’ability to communicate securely and lay the door for innovative steganography methods.

关键词： steganography image steganography image steganography techniques information exchange data embedding and extracting vehicular ad hoc network(VANET) transportation system

structural effects of reedbed grazing and its cessation on reed-nesting songbird densities

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Avian Research 2024年第2期15卷 238-248页

作者： thomas Pagnon Clemence Pechinot Lea sgro Jeremie Demay Remi Jullian Regis Gallais Brigitte Poulin Cyril Marmoex Theria Ecologie 6 avenue des martyrs05400VeynesFrance UMR 6249 Chrono-Environnement CNRSUniversite de Franche-Comte16 route de Gray25000BesanconFrance Conservatoire d’Espaces Naturels d’Occitanie 26 alle de Mycenes34000MontpellierFrance Office Français de la Biodiversite 12 cours Lumiere94300VincennesFrance Tour du Valat Research Institute for the Conservation of Mediterranean Wetlands Le Sambuc13200ArlesFrance

Reedbeds are crucial breeding habitats for vulnerable songbird *** of their protection status,these habitats may be threatened by organic matter accumulation,progressively leading to structural homoge-nization and habitat succession towards *** prevent excessive litter build-up with various in-terventions opening-up the reedbeds,such as grazing,which may be detrimental or suitable for some reed bird *** assessed the effects of extensive grazing by horses and its cessation in the medium and long terms on reedbed structure,and the consequences on reed-nesting songbird densities in Estagnol Nature Reserve,a pro-tected wetland near the French Mediterranean *** compared reedbed structural features between grazed,newly ungrazed and old-ungrazed *** nine years,we censused four songbird species in spring and collected water level data in the same survey *** reduced reedbed extent,rejuvenated the vegetation with more short green stems on a thinner litter,and produced higher structural heterogeneity and discontinuity compared to long-lasting non *** ungrazed plot showed intermediate *** surveyed songbird total densities were similar among plots while species numbers and densities *** reedbed was more attractive to Moustached Warblers(Acrocephalus melanopogon)and Great Reed Warblers(Acrocephalus arundi-naceus),likely due to the large edges and the high vegetation structural ***,Moustached Warblers were more negatively affected by higher water level in grazed reedbed,presumably because flooding prevents litter *** newly ungrazed reedbed was not preferred by any *** warbler species were found under low density in the old-ungrazed reedbed,where Reed Buntings(Emberiza schoeniclus)were exclu-sively *** availability related to thick litter layer may explain this *** Reed Warblers(Acrocephalus scirpaceus)were found everywhere in similar

关键词： Bird conservation Edge complexity Fragmentation Habitat management Horse grazing Phragmites australis Reed passerine

Tensor force impact on shell evolution in neutron-rich si and Ni isotopes

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Chinese Physics C 2024年第4期48卷 95-106页

作者： s.V.sidorov A.s.Kornilova T.Yu.Tretyakova Faculty of Physics Lomonosov Moscow State UniversityMoscow 119991Russia skobeltsyn Institute of Nuclear Physics Lomonosov Moscow State UniversityMoscow 119991Russia

The influence of the tensor interaction of nucleons on the characteristics of neutron-rich silicon and nickel isotopes was studied in this *** forces are considered within the framework of the Hartree-Fock approach with the skyrme *** addition of a tensor component of interaction is shown to improve the description of the splittings between different single-particle states and decrease nucleon-nucleon pairing correlations in silicon and nickel *** attention was directed toward the role of isovector tensor forces relevant to the interaction of like nucleons.

关键词： nuclear shell model tensor interaction silicon isotopes nickel isotopes

^(4)He monolayer on graphene:a quantum Monte Carlo study

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Communications in Theoretical Physics 2024年第9期76卷 149-157页

作者： s Yu M Boninsegni Department of Physics University of AlbertaEdmontonAlbertaT6G 2H5Canada

We revisit the problem of adsorption of a single^(4)He layer on graphene,focusing on the commensurate(C_(1/3))crystalline phase,specifically on whether it may possess a nonzero superfluid response,and on the existence of superfluid phases,either(metastable)liquid or vacancy-doped *** make use of canonical quantum Monte Carlo simulations at zero and finite temperature,based on a realistic microscopic model of the *** results confirm the absence of any superfluid response in the commensurate crystal,and that no thermodynamically stable uniform phase exists at lower *** evidence of a possibly long-lived,metastable superfluid phase at C_(1/3)coverage is ***,the results of ground-state projection methods and finite-temperature simulations are entirely consistent.

关键词： superfluidity low-dimensional systems quantum Monte Carlo helium supersolids

FEA-based Geometrical Modification of switched Reluctance Motor for Radial Force Reduction

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Chinese Journal of Electrical Engineering 2024年第1期10卷 124-135页

作者： Rani s Jayapragash R school of Electrical Engineering Vellore Institute of TechnologyChennai 600127India

switched reluctance motors(sRMs)are becoming increasingly popular in the automotive sector owing to their robust ***,sRMs are preferred particularly for EV applications owing to their fault tolerance,magnet-free structure,and high power/torque *** main concerns of sRM compared to other machines include torque ripple and *** primary cause of vibration is the radial force created by the sRM.A geometry-based modification of the sRM to reduce the radial force without significantly changing the average torque produced is *** primary goal is to design a 4-phase,8/6 sRM with a lower radial *** possible geometrical alterations are proposed:one with square windows and the other with circular holes on the rotor *** windows are sized and positioned to avoid flux *** criteria are developed for the optimal window size and *** element analysis(FEA)modelling of the sRM is used to validate its *** FEA results are compared with the performance parameters obtained using the analytical *** the multiphysics design tool ANsYs to obtain the natural frequencies and associated deformations through modal *** to the conventional geometry,the radial force is significantly reduced by providing windows.

关键词： 8/6 sRM radial force modal analysis FEA analysis natural frequencies sRM with windows

Decomposition solutions and Bäcklund transformations of the B-type and C-type Kadomtsev-Petviashvili equations

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Communications in Theoretical Physics 2024年第6期76卷 34-44页

作者： Xiazhi Hao s Y Lou College of science Zhejiang University of TechnologyHangzhou 310014China school of Physical science and Technology Ningbo UniversityNingbo 315211China

This paper introduces a modified formal variable separation approach,showcasing a systematic and notably straightforward methodology for analyzing the B-type Kadomtsev-Petviashvili(BKP)*** the application of this approach,we successfully ascertain decomposition solutions,Bäcklund transformations,the Lax pair,and the linear superposition solution associated with the aforementioned ***,we expand the utilization of this technique to the C-type Kadomtsev-Petviashvili(CKP)equation,leading to the derivation of decomposition solutions,Bäcklund transformations,and the Lax pair specific to this *** results obtained not only underscore the efficacy of the proposed approach,but also highlight its potential in offering a profound comprehension of integrable behaviors in nonlinear ***,this approach demonstrates an efficient framework for establishing interrelations between diverse systems.

关键词： decomposition solution Backlund transformation Lax pair linear superposition solution

Effect of vaccinations and school restrictions on the spread of COVID-19 in different age groups in Germany

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Infectious Disease Modelling 2024年第4期9卷 1250-1264页

作者： Christiane Dings Dominik selzer Nicola Luigi Bragazzi Eva Mohler Markus Wenning thomas Gehrke Ulf Richter Alexandra Nonnenmacher Folke Brinkmann Tobias Rothoeft Michael Zemlin thomas Lücke Thorsten Lehr Department of Clinical Pharmacy Saarland University66123SaarbrückenGermany Department of Child and Adolescent Psychiatry Saarland University Hospital66421HomburgGermany Medical Association Westfalen-Lippe48151MünsterGermany school of Education and Psychology Siegen University57072SiegenGermany University Children's Hospital Ruhr University44791BochumGermany University Children's Hospital Airway Research Center North(ARCN)German Center for Lung Research(DZL)LübeckGermany Department of General Pediatrics and Neonatology Saarland University Hospital66421HomburgGermany

With the emergence of sARs-CoV-2,various non-pharmaceutical interventions were adopted to control virus transmission,including school ***,the introduction of vaccines mitigated not only disease severity but also the spread of *** study leveraged an adapted sIR model and non-linear mixed-effects modeling to quantify the impact of remote learning,school holidays,the emergence of Variants of Concern(VOCs),and the role of vaccinations in controlling sARs-CoV-2 spread across 16 German federal states with an age-stratified *** highlight a significant inverse correlation(spearman's ρ=0.92,ps and peak incidence rates across all age ***-parameter estimation using the observed number of cases stratified by federal state and age allowed to assess the effects of school closure and holidays,considering adjustments for vaccinations and spread of VOCs over ***,modeling revealed significant(ps in the virus's spread among pre-school children(0-4),children(5-11),adolescents(12-17),adults(18-59),and the elderly(60+).The transition to remote learning emerged as a critical measure in significantly reducing infection rates among children and adolescents(ps an increased infection risk was noted among the elderly during these periods,suggesting a shift in infection networks due to altered caregiving ***,during school holiday periods,infection rates among adolescents mirrored those observed when schools were *** exercises based on the model provided evidence that COVID-19 vaccinations might serve a dual purpose:they protect the vaccinated individuals and contribute to the broader community's safety.

关键词： COVID-19 Vaccination Non-pharmaceutical interventions Age Mathematical modeling

Effects of early postnatal gastric and colonic microbiota transplantation on piglet gut health

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Journal of Animal science and Biotechnology 2024年第2期15卷 645-658页

作者： Christina Larsen simone Margaard Offersen Anders Brunse Mattia Pirolo soumya Kanti Kar Luca Guadabassi thomas Thymann Department of Veterinary and Animal science University of CopenhagenDyrlagevej 681870 Frederiksberg CDenmark Animal Nutrition Wageningen Livestock ResearchWageningen University&Research1 De Elst6708 WageningenThe Netherlands

Background Diarrhea is a major cause of reduced growth and mortality in piglets during the suckling and weaning periods and poses a major threat to the global pig *** and gut dysbiosis may in part be prevented via improved early postnatal microbial colonization of the *** secure better postnatal gut colonization,we hypothesized that transplantation of colonic or gastric content from healthy donors to newborn recipients would prevent diarrhea in the recipients in the post-weaning *** objective was to examine the impact of transplanting colonic or gastric content on health and growth parameters and paraclinical parameters in recipient single-housed piglets exposed to a weaning transition and challenged with enterotoxigenic Escherichia coli(ETEC).Methods seventy-two 1-day-old piglets were randomized to four groups:colonic microbiota transplantation(CMT,n=18),colonic content filtrate transplantation(CcFT,n=18),gastric microbiota transplantation(GMT,n=18),or saline(CON,n=18).Inoculations were given on d 2 and 3 of life,and all piglets were milk-fed until weaning(d 20)and shortly after challenged with ETEC(d 24).We assessed growth,diarrhea prevalence,ETEC concentration,organ weight,blood parameters,small intestinal morphology and histology,gut mucosal function,and microbiota composition and *** Episodes of diarrhea were seen in all groups during both the milk-and the solid-feeding phase,possibly due to stress associated with single ***,CcFT showed lower diarrhea prevalence on d 27,28,and 29 compared to CON(all Pso showed a lower ETEC prevalence on d 27(Pshowed a higher alpha diversity and a difference in beta diversity compared to CON(Ps were similar across *** In conclusion,only CcFT reduced ETEC-related post-weaning ***,the protective effect was marginal,suggesting that higher doses,more effective modalities of administration

关键词： Colonic content filtrate transplantation Colonic microbiota transplantation Gastric microbiota transplantation Gut microbiota Mucosa Neonatal Post-weaning diarrhea