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Seasonal changes in hermit Thrush (Catharus guttatus) song syntax

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Avian Research 2024年第2期15卷 172-179页

作者： Sean P.Roach Luke C.McLean Jeff W.MacLeod leslie S.Phillmore Psychology Department University of New Brunswick Saint John100 Tucker Park RoadSaint JohnNBCanada Department of Psychology and Neuroscience Dalhousie University1355 Oxford StHalifaxNSB3H 4J1Canada

In many songbird species,birdsong features phonological syntax,meaning that the units within their vocal se-quences are ordered in a non-random way that adheres to a *** such syntactical patterns have been richly described in many species,comparatively little is known about how those patterns contribute to song achieving its important *** each of song’s main functions,territorial defense and mate attraction,evidence of a role for syntax is *** species for which syntax has been thoroughly described is the hermit Thrush(Catharus guttatus),which presents song types from their repertoires in a semi-predictable order and,in doing so,rapidly cycle up and down the frequency *** objective of the present study was to explore the importance of song syntax in the hermit Thrush through a within-subject examination of how measures of syntax,such as the predictability of song type order within song sequences,shift over the breeding *** hypothesized that,if such syntactical characteristics are important to breeding behaviour,they would be most prominent at the start of the breeding season when activity associated with territory establishment and mate attraction is most *** revealed that,as predicted,the rigidness of song type ordering within se-quences was highest at the start of the season and declined *** song type sequences were most predictable at the vitally important early part of the breeding season fit our hypothesis that this aspect of song syntax is important to song’s functions related to territory establishment and/or mate *** work will clarify whether that role relates to one of song’s two main functions or serves song transmission in some broader way.

关键词： Birdsong hermit Thrush Seasonal change Stereotypy Syntax

Rigidity Symmetry Line for Thermodynamic Fluid Equations-of-State

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Journal of Modern Physics 2024年第5期15卷 613-633页

作者： leslie V. Woodcock Department of Physics University of Algarve Faro Portugal

We report progress towards a modern scientific description of thermodynamic properties of fluids following the discovery (in 2012) of a coexisting critical density hiatus and a supercritical mesophase defined by percolation transitions. The state functions density ρ(p,T), and Gibbs energy G(p,T), of fluids, e.g. CO2, h2O and argon exhibit a symmetry characterised by the rigidity, ω = (dp/dρ)T, between gaseous and liquid states along any isotherm from critical (Tc) to Boyle (TB) temperatures, on either side of the supercritical mesophase. here, using experimental data for fluid argon, we investigate the low-density cluster physics description of an ideal dilute gas that obeys Dalton’s partial pressure law. Cluster expansions in powers of density relate to a supercritical liquid-phase rigidity symmetry (RS) line (ω = ρrs(T) = RT) to gas phase virial coefficients. We show that it is continuous in all derivatives, linear within stable fluid phase, and relates analytically to the Boyle-work line (BW) (w = (p/ρ)T = RT), and to percolation lines of gas (PB) and liquid (PA) phases by: ρBW(T) = 2ρPA(T) = 3ρPB(T) = 3ρRS(T)/2 for T TB. These simple relationships arise, because the higher virial coefficients (bn, n ≥ 4) cancel due to clustering equilibria, or become negligible at all temperatures (0 T TB) within the gas phase. The Boyle-work line (p/ρBW)T is related exactly at lower densities as T → TB, and accurately for liquid densities, by ρBW(T) = −(b2/b3)T. The RS line, ω(T) = RT, defines a new liquid-density ground-state physical constant (ρRS(0) = (2/3)ρBW(0) for argon). Given the gas-liquid rigidity symmetry, the entire thermodynamic state functions below TB are obtainable from b2(T). A BW

关键词： Liquid-State Theory Cluster Physics Percolation Lines Fluid Thermodynamics Boyle Line Rigidity-Symmetry Line

Recent Ventures in Interdisciplinary Arctic Research:The ARCPATh Project

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Advances in Atmospheric Sciences 2024年第8期41卷 1559-1568页

作者： Astrid E.J.OGILVIE leslie A.KING Noel KEENLYSIDE François COUNILLON Brynhildur DAVIÐSDÓTTIR Níels EINARSSON Sergey GULEV Ke FAN Torben KOENIGK James R.MCGOODWIN Marianne h.RASMUSSON Shuting YANG Institute of Arctic and Alpine Research(INSTAAR) University of ColoradoBoulder CO 80303USA Stefansson Arctic Institute AkureyriÍS-600Iceland Royal Roads University BC V9B 5Y2Canada University of Bergen Bergen N-5007Norway Nansen Environmental and Remote Sensing Centre Bergen N-5007Norway University of Iceland Reykjavík 102Iceland Shirshov Institute of Oceanology Moscow 117218Russia Moscow State University Moscow 11991Russia Chinese Academy of Sciences Beijing 100045China Swedish Meteorological and hydrological Institute SE-60176 NorrköpingSweden Danish Meteorological Institute CopenhagenØ2100Denmark Obukhov Institute of Atmospheric Physics RAS119017MoscowRussia

This paper celebrates Professor Yongqi GAO's significant achievement in the field of interdisciplinary studies within the context of his final research project Arctic Climate Predictions: Pathways to Resilient Sustainable Societies-ARCPATh(https://***/en/projects/finished-projects/arcpath). The disciplines represented in the project are related to climatology, anthropology, marine biology, economics, and the broad spectrum of social-ecological studies. Team members were drawn from the Nordic countries, Russia, China, the United States, and Canada. The project was transdisciplinary as well as interdisciplinary as it included collaboration with local knowledge holders. ARCPATh made significant contributions to Arctic research through an improved understanding of the mechanisms that drive climate variability in the Arctic. In tandem with this research, a combination of historical investigations and social, economic, and marine biological fieldwork was carried out for the project study areas of Iceland, Greenland, Norway, and the surrounding seas, with a focus on the joint use of ocean and sea-ice data as well as social-ecological drivers. ARCPATh was able to provide an improved framework for predicting the near-term variation of Arctic climate on spatial scales relevant to society, as well as evaluating possible related changes in socioeconomic realms. In summary, through the integration of information from several different disciplines and research approaches, ARCPATh served to create new and valuable knowledge on crucial issues, thus providing new pathways to action for Arctic communities.

关键词： Recent Ventures in Interdisciplinary Arctic Research:The ARCPATh Project

L^p Boundedness of Marcinkiewicz Integrals with h^1 Kernels

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Acta Mathematica Sinica,English Series 2008年第6期24卷 1031-1038页

作者： leslie C.ChENG Department of Mathematics Bryn Mawr CollegeBryn MawrPA 19010USA

We establish the L^p boundedness of Marcinkiewicz integral operators with kernels in thehardy space on a compact submanifold of finite type. Previously such boundedness properties were obtained when the submanifold is a sphere. Our result shows that what matters is not the symmetry, but a certain type of curvature property of the submanifold.

关键词： Marcinkiewicz integrals hardy space finite type

Method for rapid on-site identification of VOCs

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Journal of Environmental Sciences 2009年第7期21卷 1005-1008页

作者： Justin D Fair William F Bailey Robert A Felty Amy E Gifford Benjamin Shultes leslie h Volles Department of Chemistry University of Connecticut Storrs Connecticut 06269-3060 USA. INFICON Inc. 2 Technology Place East Syracuse New York 13057 USA

Rapid on-site identification of volatile organic compounds （VOCs） in ambient air is an important first step in remediation efforts. This study describes modification of a commercially available, portable GC/MS system and development of an analysis protocol for rapid （〈 3 min） sampling and identification of VOCs typically found at contaminated sites at the low ppbv level.

关键词： field analysis gas chromatograph mass spectrometer toxic industrial chemicals thermal desorption

Are Small Reactors Nuclear Power’s Next Big Thing?

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Engineering 2020年第3期6卷 210-212页

作者： Mitch leslie 不详

On 9 September 2019,residents of Pevek in northeastern Siberia saw their new nuclear power plant sail into the *** with two reactors,the 144 m long ship Akademik Lomonosov(Fig.1)will provide up to 70 MW of electricity and 50 Gcalh-1(1 cal=4.19002 J)of steam heat to homes and industries in the town and its surroundings[1].Akademik Lomonosov is not just the world’s first floating nuclear power *** is also the first in a new class of reactors known as small modular reactors(SMRs)to go into *** they generate less electricity than their bigger counterparts,SMRs might overcome some of the problems that have plagued full-sized *** say that they will be cheaper to build,more flexible,and safer,and that they could provide a much-needed boost to the nuclear industry[2].

关键词： overcome fitted floating

Texas Crisis highlights Grid Vulnerabilities

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Engineering 2021年第10期7卷 1348-1350页

作者： Mitch leslie 机构不详

In February 2021,during a massive blackout in Texas,USA,a man made the news for using his hybrid Ford F-150 pickup truck,a model equipped with a generator,to power his house for three days[1].Other hybrid F-150 owners followed suit,and Ford requested that its Texas dealerships lend out the trucks on their lots so that more people could access these mini-power stations during the week-long disaster[2].That some residents had to rely on their pickup trucks to provide electricity for their homes illustrates the severity of the grid crisis that paralyzed *** an average of 42 h,69%of Texans had no electricity(Fig.1)[3],leaving many homes without heat as temperatures fell to record *** half of the population also lacked running water because water plants lost power[3].According to the state’s figures,hypothermia,carbon monoxide poisoning,and other storm-related causes exacerbated by the power outage killed at least 210 people[4],but one analysis put the death toll at 700[5].The economic price tag,including damage to homes and businesses from burst pipes,may be as high as 200 billion USD[6].

关键词： Texas disaster equipped

“ENERGY”DRINKS:hELP,hARM OR hYPE?

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中国运动医学杂志 2003年第2期22卷 214-223页

作者： leslie Bonci M.P.h. R.D. Department of Orthopedic Surgery and the Center for Sports Medicine University of Pittsburgh Medical Center Nutritionist

Many products marketed as energy drinks contain high concentrations of carbohydrate and some caffeine. Some energy drinks contain herbs, amino acids, protein, and other substances, usually in such small amounts that they are unlikely to have any noticeable effect on performance. The content of some of these products may result n inefficient absorption of fluid and nutrients from the intestine, with the possibility of gastrointestinal distress. Many energy drinks are quite costly and, because of their composition, are not suitable for use by athletes. Athletes should be educated about these products and guided towards other foods and fluids that will not pose potential risks.

关键词：功能饮料效果种类成分分析

ERp57 in neurodegeneration and regeneration

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Neural Regeneration Research 2016年第2期11卷 232-233页

作者： leslie Bargsted Claudio hetz Soledad Matus Neurounion Biomedical Foundation CENPAR Santiago Chile Biomedical Neuroscience Institute Faculty of Medicine University of Chile Santiago Chile Center for Geroscience Brain Health and Metabolism Institute of Biomedical Sciences Center for Molecular Studies of the Cell Program of Cellular and Molecular Biology University of ChileSantiago Chile Department of Immunology and Infectious Diseases Harvard School of Public Health

The protein disulfide isomerases（PDIs）family has a central function in the folding of proteins synthetized through the secretory ***57,also known as Grp58 or PDIA3,is one of the main studied members of this family.

关键词： ERp57 in neurodegeneration and regeneration PDI