检索结果-南通市图书馆

Building Simulation 2024年第6期17卷 893-906页

作者： Deepak Amaripadath Mattheos Santamouris Shady Attia School of Geographical Sciences and Urban Planning Arizona State UniversityTempeAZUSA Urban Climate Research Center Arizona State UniversityTempeAZUSA School of Built Environment University of New South Wales2052SydneyAustralia Sustainable Building Design Lab Department of UEEFaculty of Applied SciencesUniversity of Liege4000LiegeBelgium

Changing climate intensifies heat stress,resulting in a greater risk of workplace productivity decline in timber office buildings with low internal thermal *** impact of climate change induced heat exposure on indoor workplace productivity in timber office buildings has not been extensively ***,further investigation to reduce the work capacity decline towards the end of the century is ***,heat exposure in a net zero-carbon timber building near Brussels,Belgium,was evaluated using a reproducible comparative approach with different internal thermal mass *** analysis indicated that strategies with increased thermal mass were more effective in limiting the effects of heat exposure on workplace *** medium and high thermal mass strategies reduced workplace productivity loss to 0.1%in the current,0.3%and 0.2%in the midfuture,and 4.9%and 3.9%for future *** comparison,baseline with low thermal mass yielded a decline of 2.3%,3.3%,and 8.2%.The variation in maximum and minimum wet-bulb globe temperatures were also lower for medium and high thermal mass strategies than for low thermal mass *** study findings lead to the formulation of design guidelines,identification of research gaps,and recommendations for future work.

关键词： heat exposure office buildings work capacity thermal mass climate change

Exploring the mass gap:Black holes in green pea galaxies

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China(Physics,Mechanics & Astronomy) 2024年

作者： James E.Rhoads School of Earth and Space Exploration Arizona State University

We know about black holes primarily on two mass scales(e.g., see Figure 22 of ref.[1]). Supermassive black holes inhabit the centers of galaxies, where they sometimes power active galactic nuclei (AGN). Their populations can be probed through AGN surveys, tidal disruption event surveys, and (in the closest galaxies) stellar and gas dynamics in the innermost regions where the black hole dominates the gravitational potential.

关键词：

Pipeline thickness estimation using the dispersion of higher-order SH guided waves

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics B 2024年第7期33卷 389-396页

作者：代政辰刘金霞龙云飞张建海 Tribikram Kundu 崔志文 Department of Acoustics and Microwave Physics College of PhysicsJilin UniversityChangchun 130012China School of Mechanical and Aerospace Engineering Jilin UniversityChangchun 130025China Department of Civil and Architectural Engineering and Mechanics University of ArizonaTucsonArizona 85721USA College of Aerospace and Mechanical Engineering University of ArizonaTucsonAZ 85721USA state Key Laboratory of Acoustics Institute of AcousticsChinese Academy of SciencesBeijing 100190China

Thickness measurement plays an important role in the monitoring of pipeline corrosion damage. However, the requirement for prior knowledge of the shear wave velocity in the pipeline material for popular ultrasonic thickness measurement limits its widespread application. This paper proposes a method that utilizes cylindrical shear horizontal(SH) guided waves to estimate pipeline thickness without prior knowledge of shear wave velocity. The inversion formulas are derived from the dispersion of higher-order modes with the high-frequency approximation. The waveform of the example problems is simulated using the real-axis integral method. The data points on the dispersion curves are processed in the frequency domain using the wave-number method. These extracted data are then substituted into the derived formulas. The results verify that employing higher-order SH guided waves for the evaluation of thickness and shear wave velocity yields less than1% error. This method can be applied to both metallic and non-metallic pipelines, thus opening new possibilities for health monitoring of pipeline structures.

关键词： pipeline wall thickness higher-order modes SH guided waves dispersion

The Visual Analytics and Data Exploration Research Lab at arizona state university

在线全文

学校读者我要写书评

暂无评论

Visual Informatics 2021年第1期5卷 14-22页

作者： Ross Maciejewski Yuxin Ma Jonas Lukasczyk arizona state university United States of America

This article describes the research agenda for the Visual Analytics and Data Exploration Research(VADER)Lab at arizona state *** the past decade,the VADER Lab has focused on creating novel algorithms,tools and visualizations for spatiotemporal *** article will highlight past success in spatiotemporal analysis,explainable AI,graph mining,and mathematical ***,at first,these topics seem largely disjoint,we will describe how the underpinnings of spatiotemporal analysis has informed the various research directions in the VADER Lab,and how this research agenda has served to form a network of strong international ***,we will outline a vision for the Lab’s future research.

关键词： Visualization Spatiotemporal Explainable AI Topology

Functional assessment of cadherin as a shared mechanism for cross/dual resistance to Cry1Ac and Cry2Ab in Helicoverpa zea

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Integrative Agriculture 2024年第5期23卷 1604-1617页

作者： Jizhen Wei Min Zhang Pin Li Zhongyuan Deng Xinming Yin Shiheng An Xianchun Li state Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection Henan Agricultural UniversityZhengzhou 450046China Department of Entomology and BIO5 Institute University of ArizonaTucsonAZ 85721USA School of Agricultural Sciences Zhengzhou UniversityZhengzhou 450001China

Helicoverpa zea is a major target pest of pyramided transgenic crops expressing Cry1,Cry2 and/or Vip3Aa proteins from Bacillus thuringiensis(Bt)in the United ***-selected Cry1Ac/Cry2Ab cross resistance and fieldevolved practical dual resistance of *** to these two toxins have been widely *** the widespread Cry1Ac/Cy2Ab dual resistance of *** has resulted from the selection of one shared or two independent resistance mechanisms by pyramided Bt crops remains *** is a well-confirmed receptor of Cry1Ac and a suggested receptor of Cry2Ab in at least three Lepidopteran *** test whether cadherin may serve as one shared mechanism for the cross and dual resistance of *** to Cry1Ac and Cry2Ab,we cloned *** cadherin(HzCadherin)cDNA and studied its functional roles in the mode of action of Cry1Ac and Cry2Ab by gain-and lossof-function *** expression of HzCadherin in *** midgut,*** fat body and Sf9 cells made all three of these cell lines more susceptible to activated Cry1Ac but not activated Cry2Ab,whereas silencing HzCadherin of *** midgut and fat body cells significantly reduced the susceptibility to Cry1Ac but not ***,suppressing HzCadherin with siRNA made *** larvae resistant to *** results clearly demonstrate that HzCadherin is not a receptor for Cry2Ab,and thus it is unlikely to serve as one shared mechanism for the cross and dual resistance of *** to Cry1Ac and Cry2Ab.

关键词： Bt crops cadherin Cry toxin receptor resistance mechanism

Spontaneous mutations and mutational responses to penicillin treatment in the bacterial pathogen Streptococcus pneumoniae D39

在线全文

学校读者我要写书评

暂无评论

Marine Life Science & Technology 2024年第2期6卷 198-211页

作者： Wanyue Jiang Tongtong Lin Jiao Pan Caitlyn ERivera Clayton Tincher Yaohai Wang Yu Zhang Xiang Gao Yan Wang Ho‑Ching T.Tsui Malcolm E.Winkler Michael Lynch Hongan Long Institute of Evolution and Marine Biodiversity KLMMEOcean University of ChinaQingdao 266003China Laboratory for Marine Biology and Biotechnology Laoshan LaboratoryQingdao 266237China Department of Biology Indiana UniversityBloomingtonIN 47405USA School of Mathematics Science Ocean University of ChinaQingdao 266000China state Key Laboratory of Microbial Technology Microbial Technology InstituteSchool of Life ScienceShandong UniversityQingdao 266237China Biodesign Center for Mechanisms of Evolution Arizona State UniversityTempeAZ 85281USA

Bacteria with functional DNA repair systems are expected to have low mutation rates due to strong natural selection for genomic ***,our study of the wild-type Streptococcus pneumoniae D39,a pathogen responsible for many common diseases,revealed a high spontaneous mutation rate of 0.02 per genome per cell division in mutation-accumulation(MA)*** rate is orders of magnitude higher than that of other non-mutator bacteria and is characterized by a high mutation bias in the A/T *** high mutation rate may have resulted from a reduction in the overall efficiency of selection,conferred by the tiny effective population size in *** line with this,*** D39 also exhibited the lowest DNA mismatch-repair(MMR)efficiency among *** with the antibiotic penicillin did not elevate the mutation rate,as penicillin did not induce DNA damage and *** lacks a stress response *** findings suggested that the MA results are applicable to within-host scenarios and provide insights into pathogen evolution.

关键词： Neutral evolution Mutation spectrum Antibiotics DNA mismatch repair Oxidative damage repair

Use of infrared thermography to detect reactions to stressful events:does animal personality matter?

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Integrative Zoology 2024年第2期19卷 224-239页

作者： Maria Vittoria MAZZAMUTO Marina MORANDINI William LAMPMAN Lucas Armand WAUTERS Damiano PREATONI John Lad KOPROWSKI Adriano MARTINOLI School of Natural Resources and Environment College of Agriculture and Life ScienceUniversity of ArizonaArizonaUSA Unitàdi Analisi e Gestione delle Risorse Ambientali Dipartimento di Scienze Teoriche e ApplicateGuido Tosi Research GroupUniversitàdegli Studi dell’InsubriaVareseItaly Haub School of Environment and Natural Resources University of WyomingWyomingUSA

The study of the relationship between animal stress and personality for free-ranging animals is limited and provides contrasting *** perception of stressors by an individual may vary due to its personality,and certain personality traits may help individuals to better cope with *** non-invasive infrared thermography(IRT),we investigated the link between physiological and behavioral components expressed during an acute stress event by free-ranging Fremont’s squirrels(Tamiasciurus fremonti).We expected that,during the acute stress event of being approached by the researcher,individuals that showed a fast pace-of-life syndrome(bolder,more active,and less social/more aggressive)based on an arena test would exhibit stronger sympathetic-adrenal-medullary system reactivity showing a more intense stress-induced hyperthermia(high core body temperature and low peripheral temperature)than individuals with a slow pace of life(shy,less active,and more social).We successfully employed IRT technology to images of Fremont’s squirrels with identification of the individuals’body parts(eye,nose,ear,hind foot).However,we found no support for our ***’body surface temperatures told us more about a squirrel’s external environment and less about the thermal state of the body in that environment following a stressful *** studies need to assess how to make IRT effective and efficient in the field and improve its performance in studying the relationships between physiology and personality in wildlife.

关键词： non-invasive method open field test physiology stress-induced hyperthermia Tamiasciurus fremonti

Structural transition, electric transport, and electronic structures in the compressed trilayer nickelate LaNiO

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China(Physics,Mechanics & Astronomy) 2024年

作者： Jingyuan Li Cuiqun Chen Chaoxin Huang Yifeng Han Mengwu Huo Xing Huang Peiyue Ma Zhengyang Qiu Junfeng Chen Xunwu Hu Lan Chen Tao Xie Bing Shen Hualei Sun Daoxin Yao Meng Wang Center for Materials of the universe School of Molecular Sciences Arizona State University Center for Neutron Science and Technology Guangdong Provincial Key Laboratory of Magnetoelectric Physics and Devices School of Physics Sun Yat-sen University School of Sciences Sun Yat-sen University

Atomic structure and electronic band structure are fundamental properties for understanding the mechanism of superconductivity. Motivated by the discovery of pressure-induced high-temperature superconductivity at 80 K in the bilayer Ruddlesden-Popper nickelate La3Ni2O7, the atomic structure and electronic band structure of the trilayer nickelate La4Ni3O10under pressure up to 44.3 GPa are investigated. A structural transition from the monoclinic P21/a space group to the tetragonal I4/mmm around 12.6-13.4 GPa is identified, accompanied by a drop of resistance below 7 K. Density functional theory calculations suggest that the bonding state of Ni 3dz2orbital rises and crosses the Fermi level at high pressures, which may give rise to possible superconductivity observed in resistance under pressure in La4Ni3O10. The trilayer nickelate La4Ni3O10shows some similarities with the bilayer La3Ni2O7and has unique properties, providing a new platform to investigate the underlying mechanism of superconductivity in nickelates.

关键词：

A systematic scoping review of study methodology for randomized controlled trials investigating probiotics in athletic and physically active populations

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Journal of Sport and Health Science 2024年第1期13卷 61-71页

作者： Alex E.Mohr David B.Pyne Geovana Silva Fogaça Leite Deborah Akins Jamie Pugh College of Health Solutions Arizona State UniversityPhoenixAZ 85004USA Research Institute for Sport and Exercise University of CanberraCanberraACT 2617Australia Laboratory of Functional Fermented Food Faculty of Pharmaceutical SciencesUniversity of São PauloSão Paulo 05508-030Brazil Research Institute for Sport and Exercise Sciences Liverpool John Moores UniversityLiverpool L33AFUK

Background:The purported ergogenic and health effects of probiotics have been a topic of great intrigue among researchers,practitioners,and the lay public *** has also been an increased research focus within the realm of sports science and exercise medicine on the athletic gut ***,compared to other ergogenic aids and dietary supplements,probiotics present unique study *** objectives of this systematic scoping review were to identify and characterize study methodologies of randomized controlled trials investigating supplementation with probiotics in athletes and physically active ***:Four databases(MEDLINE,CINAHL,Cochrane CENTRAL,and Cochrane Database of Systematic Reviews)were searched for randomized controlled studies involving healthy athletes or physically active *** intervention with probiotics and inclusion of a control and/or placebo group were *** peer-reviewed articles in English were considered,and there were no date *** were extracted and presented in tabular form to detail study protocols,characteristics,and *** in randomized controlled trials was determined with the RoB 2.0 ***:A total of 45 studies were included in the review,with 35 using a parallel group design and 10 using a cross-over *** half the studies used a single probiotic and the other half a multi-strain *** probiotic dose ranged from 2×10^(8)to 1×10^(11)colony forming units daily,and the length of intervention was between 7 and 150 *** than half the studies directly assessed gastrointestinal symptoms,gut permeability,or the gut *** sex ratio of participants was heavily weighted toward males,and only 3 studies exclusively investigated ***-level adverse events were reported in only 2 studies,although the methodology of reporting varied *** risk of bias was generally low,although details on randomization were lacking in some s

关键词： Exercise Experimental methodology Gastrointestinal symptoms Gut microbiota Probiotic supplementation

New dating indicates intermittent human occupation of the Nwya Devu Paleolithic site on the high-altitude central Tibetan Plateau during the past 45,000 years

在线全文

学校读者我要写书评

暂无评论

Science China Earth Sciences 2024年第2期67卷 531-551页

作者： Junyi GE Xiaoling ZHANG Shejiang WANG Linhui LI Wei HE Yingshuai JIN Peiqi ZhANG Bing XU Chenglong DENG John WOLSEN Zhengtang GUO Xing GAO Institute of Vertebrate Paleontology and Paleoanthropology Chinese Academy of SciencesBeijing 100044China university of the Chinese Academy of Sciences Beijing 100049China Tibetan Cultural Relics Conservation Institute Lhasa 850000China Key Laboratory of Cenozoic Geology and Environment Institute of Geology and GeophysicsChinese Academy of Sciences.Beijing 100029China state Key Laboratory of Lithospheric Evolution Institute of Geology and GeophysicsChinese Academy of SciencesBeijing100029China School of Anthropology University of ArizonaTucson85721USA

The timing and mechanisms of the human occupation of the demanding high-altitude Tibetan Plateau environment are of great ***,we report on our reinvestigations and dating of the Nwya Devu site,located nearly 4600 meters above sea level on the central Tibetan Plateau.A new microblade techno-complex was identified on a lower lake shore at this site,distinct from the previously reported blade tool *** two lithic assemblages were dated to 45.6±2.6 and10.3±0.5 ka using optically stimulated luminescence and accelerator mass spectrometry^(14)C *** represent,respectively,the earliest known Paleolithic and microlithic sites on the interior Tibetan Plateau,indicating multiple occupation episodes of hunter-gatherers during the past 45 *** studies reveal that relatively stable depositional conditions and a paleoenvironment characterized by a comparatively warm climate facilitated these multiple occupations at Nwya *** contemporaneous occurrence of the Upper Paleolithic blade technology on the Tibetan Plateau and most of Eurasia between 50 and 40 ka indicates rapid,large-scale dispersals of humans that profoundly affected human demography on a large *** new archaeological evidence and previously reported genetic data,we conclude that the Tibetan Plateau provided a relatively stable habitat for Upper Paleolithic hunter-gatherers,which may have contributed to the complex and multiple-origin gene pool of present-day Tibetans.

关键词： Tibetan Plateau Paleolithic Nwya Devu High-altitude adaptation Microblade industry Early Upper Paleolithic OSLdating AMS^(14)C dating