cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
CONNECTING FINE- AND BROAD-SCALE SPECIES–AREA RELATIONSHIPS OF SOUTHEASTERN U.S. FLORA
Creators: name: Wentworth, Thomas R.
name: Peet, Robert K.
name: White, Peter S.
name: Fridley, Jason D.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2005

description: Although the rate that species accumulate with area has long been regarded as an important component of fine-scale community structure and several studies have examined this rate in meta-analyses, few if any studies have systematically examined fine-scale species-area relationships using a consistent survey protocol over a large region. We examined fine-scale species-area relationships using the extensive database of the Carolina Vegetation Survey (North Carolina, South Carolina, Georgia, and Tennessee, USA), including 1472 plots wherein vascular plant richness was recorded for each of six subplot sizes regularly spaced on a log10 scale, from 0.01 to 1000 m2. Contrary to prevailing theory, our data closely and consistently fit an Arrhenius (power law) species-area model, echoing broader-scale patterns. Species accumulation rate (Z) values fell within a narrow range (95% between 0.2 and 0.5) despite a 30-fold range in 1000-m2 richness. When we added regional- and global-scale richness estimates to our results, a Preston-type triphasic curve emerged. We suggest that (1) fine-scale species-area relationships are remarkably consistent and (2) full-scale species-area curves reveal scale dependencies in diversity data that are not accounted for by current species-area theory.
(2933) Henry Martin
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Continuum kinetic investigation of the impact of bias potentials in the current saturation regime on sheath formation
Creators: name: Skolar, Chirag R.
name: Bradshaw, Kolter
name: Juno, James
name: Srinivasan, Bhuvana
Publisher: name: arXiv
Year: 2022
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: In this work, we examine sheath formation in the presence of bias potentials in the current saturation regime for pulsed power fusion experiments. It is important to understand how the particle and heat fluxes at the wall may impact the wall material and affect electrode degradation. Simulations are performed using the 1X-1V Boltzmann-Poisson system for a proton-electron plasma in the presence of bias potentials ranging from 0 to 10 kV. The results indicate that the sheath near the high potential wall remains generally the same as that of a classical sheath without the presence of a bias potential. However, the sheath near the low potential wall becomes more prominent with a larger potential drop, a significant decrease of electron density, and larger sheath lengths. The spatially constant current density increases to a saturation value with increasing bias potential. The current is dominated by the ions at the low potential wall and by the electrons at the high potential wall. The heat flux increases to a saturation value at the high potential wall and tends to zero at the low potential wall with increasing bias potential. The results trend with theory with differences attributed to the simplified assumptions in the theory and the kinetic effects considered in the simulations. Due to the significant computational cost of a well resolved 1X-2V simulation, only one such simulation is performed for the 5 kV case showing higher current.
description: 12 pages, 9 figures, to be published in Physics of Plasmas
A constitutive model for viscosity of dense fiber suspension
Creators: name: Khan, Monsurul
name: More, Rishabh V.
name: Ardekani, Arezoo M.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We propose a constitutive model to predict the viscosity of fiber suspensions, which undergoes shear thinning, at various volume fractions, aspect ratios, and shear stresses/rates. We calibrate the model using the data from direct numerical simulation and prove the accuracy by predicting experimental measurements from the literature. We use a friction coefficient decreasing with the normal load between the fibers to quantitatively reproduce the experimentally observed shear thinning in fiber suspensions. In this model, the effective normal contact force, which is directly proportional to the bulk shear stress, determines the effective friction coefficient. A rise in the shear stress reduces the effective friction coefficient in the suspension. As a result, the jamming volume fraction increases with the shear stress, resulting in a shear thinning in the suspension viscosity. Moreover, we extend the model to quantify the effects of fiber volume fraction and aspect ratio in the suspension. We calibrate this model using the data from numerical simulations for the rate-controlled shear flow. Once calibrated, we show that the model can be used to predict the relative viscosity for different volume fractions, shear stresses, and aspect ratios. The model predictions are in excellent agreement with the available experimental measurements from the literature. The findings of this study can potentially be used to tune the fiber size and volume fraction for designing the suspension rheology in various applications.
description: 29 pages, 10 figures
PLANT SPECIES INVASIONS ALONG THE LATITUDINAL GRADIENT IN THE UNITED STATES
Creators: name: Kartesz, John
name: Peterjohn, Bruce
name: Barnett, David
name: Stohlgren, Thomas J.
name: Flather, Curtis
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2005

description: It has been long established that the richness of vascular plant species and many animal taxa decreases with increasing latitude, a pattern that very generally follows declines in actual and potential evapotranspiration, solar radiation, temperature, and thus, total productivity. Using county-level data on vascular plants from the United States (3000 counties in the conterminous 48 states), we used the Akaike Information Criterion (AIC) to evaluate competing models predicting native and nonnative plant species density (number of species per square kilometer in a county) from various combinations of biotic variables (e.g., native bird species density, vegetation carbon, normalized difference vegetation in-dex), environmental/topographic variables (elevation, variation in elevation, the number of land cover classes in the county, radiation, mean precipitation, actual evapotranspiration, and potential evapotranspiration), and human variables (human population density, crop-land, and percentage of disturbed lands in a county). We found no evidence of a latitudinal gradient for the density of native plant species and a significant, slightly positive latitudinal gradient for the density of nonnative plant species. We found stronger evidence of a sig-nificant, positive productivity gradient (vegetation carbon) for the density of native plant species and nonnative plant species. We found much stronger significant relationships when biotic, environmental/topographic, and human variables were used to predict native plant species density and nonnative plant species density. Biotic variables generally had far greater influence in multivariate models than human or environmental/topographic variables. Later, we found that the best, single, positive predictor of the density of nonnative plant species in a county was the density of native plant species in a county. While further study is needed, it may be that, while humans facilitate the initial establishment invasions of non-native plant species, the spread and subsequent distributions of nonnative species are con-trolled largely by biotic and environmental factors.
A parton shower generator based on the GLR equation
Creators: name: Shi, Yu
name: Wei, Shu-Yi
name: Zhou, Jian
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We develop a novel Monte Carlo parton branching algorithm based on the Gribov-Levin-Ryskin (GLR) equation. The formulations of both forward evolution and backward evolution for the GLR equation are presented. The results from the Monte Carlo implementation of the GLR equation are in full agreement with its numerical solutions. Our work thus paves the way for developing an event generator that embodies the saturation effect.
description: 11 pages, 3 figures
Computation of the lateral shift due to atmospheric refraction
Creators: name: Labriji, Hanae
name: Herscovici-Schiller, Olivier
name: Cassaing, Frédéric
Publisher: name: arXiv
Year: 2022
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Atmospheric refraction modifies the apparent position of objects in the sky. We computed the lateral translation that is to be considered for short-range applications, such as wavefront sensing and meteor trajectories. We aim to calculate the lateral shift at each altitude and study its variation according to meteorological conditions and the location of the observation site. We also pay special attention to the chromatism of this lateral shift. We extracted the variation equations of refraction from the geometric tracing of a light ray path. A numerical method and a dry atmosphere model allowed us to numerically integrate the system of coupled equations. In addition to this, based on Taylor expansions, we established three analytic approximations of the lateral shift, one of which is the one already known in the literature. We compared the three approximations to the numerical solution. All these estimators are included in a Python 3.2 package, which is available online. Using the numerical integration estimator, we calculated the lateral shift values for any zenith angle including low elevations. The shift is typically around 3 m at a zenith angle of 45°, 10 m at 65°, and even 300 m° at 85°. Next, the study of the variability of the lateral shift as a function of wavelength shows differences of up to 2% between the visible and near infrared. The analysis of the errors of each approximation shows the ranges of validity of the three estimators as a function of the zenith angle. The flat Earth estimator achieves a relative error of less than 1% up to 55° while the new extended second-order estimators improves this result up to 75°. The flat Earth estimator is sufficient for applications where the zenith angle is below 55° but a refined estimator is necessary to estimate meteor trajectories at low elevations.
description: Reproduced with permission from Astronomy & Astrophysics, Copyright ESO
Supplementary Information 1 from Indirectly connected: simple social differences can explain the causes and apparent consequences of complex social network positions
Creators: name: Firth, Josh A.
name: Sheldon, Ben C.
name: Brent, Lauren J. N.
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: 60801 Animal Behaviour

description: Supplementary methods and figures
FINAL FANTASY VII (NOVELA) leer el libro pdf
Creators: name: Small
Publisher: name: Zenodo
Year: 2024

description: FINAL FANTASY VII (NOVELA) de KAZUSHIGE NOJIMA

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FINAL FANTASY VII (NOVELA)

KAZUSHIGE NOJIMA

Número de páginas: 240

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788491736745

Editorial: PLANETA DE AGOSTINI

Año de edición: 2019

 

 

 

 

 

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Overview

Historias inéditas de Final Fantasy VII, el primero de la saga en llegar a Occidente en 1997. 

On the way to smile o Aprendiendo a sonreír en español es una novela escrita por Kazushige Nojima y forma parte de la denominada Compilation of Final Fantasy VII. El libro consta de 3 capítulos, los dos primeros divididos en 4 subcapitulos que cuentan la historia de lo que pasa en Final Fantasy VII desde el final de la aventura contra Sephiroth por parte de Cloud Strife y su grupo, hasta el comienzo de Final Fantasy VII: Advent Children, todo esto contado desde el punto de vista de Denzel, un huérfano de Midgar, de Tifa Lockhart y de Barret Wallace.La novela cubre desde el final del juego hasta el inicio de la película-secuela Advent Children.
[Kindle] Edito A2 - Edition 2022 - Cahier d'activités + didierfle.app SANTILLANA download
Creators: name: Baugh
Publisher: name: Zenodo
Year: 2024

description: Edito A2 - Edition 2022 - Cahier d'activités + didierfle.app SANTILLANA pan XXX

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Edito A2 - Edition 2022 - Cahier d'activités + didierfle.app SANTILLANA

XXX

Nb. de pages: 168

Format: Pdf, ePub, MOBI, FB2

ISBN: 9788490498125

Editeur: Didier

Date de parution: 2022

 

 

 

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Overview

- S'immerger dans le français de la vie quotidienne et découvrir les réalités francophones dans des documents authentiques didactisés. - S'adapter à différentes situations de classe : grande liberté et souplesse d'utilisation. - Comprendre le fonctionnement de la langue grâce à un apprentissage guidé de la grammaire. - S'entrainer au DELF/DALF avec une préparation progressive - Optimiser la mémorisation du lexique grâce aux pages " vocabulaire " : exploitation créative et ludique des listes de vocabulaire. - Travailler la compétence de médiation avec un " atelier-médiation "
Collective Variables for Conformational Polymorphism in Molecular Crystals
Creators: name: Elishav, Oren
name: Podgaetsky, Roy
name: Meikler, Olga
name: Hirshberg, Barak
Publisher: name: arXiv
Year: 2022
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Controlling polymorphism in molecular crystals is crucial in the pharmaceutical, dye, and pesticide industries. However, its theoretical description is extremely challenging, due to the associated long timescales ($ > 1 \, μs$). We present an efficient procedure for identifying collective variables that promote transitions between conformational polymorphs in molecular dynamics simulations. It involves applying a simple dimensionality reduction algorithm to data from short ($\sim ps$) simulations of the isolated conformers that correspond to each polymorph. We demonstrate the utility of our method in the challenging case of the important energetic material, CL-20, which has three anhydrous conformational polymorphs at ambient pressure. Using these collective variables in Metadynamics simulations, we observe transitions between all solid polymorphs in the biased trajectories. We reconstruct the free energy surface and identify previously unknown defect and intermediate forms in the transition from one known polymorph to another. Our method provides insights into complex conformational polymorphic transitions of flexible molecular crystals.
(2928) Rebecca Waddelow
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
FITNESS CONSEQUENCES OF CHOOSY OVIPOSITION FOR A TIME-LIMITED BUTTERFLY
Creators: name: Kingsolver, Joel
name: Doak, Patricia
name: Kareiva, Peter
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2006

description: For the majority of insects, a female's choice of oviposition site(s) greatly influences both the success of individual offspring and her own total fitness. Theory predicts that females most strongly limited by egg number will employ greater oviposition site discrimination than those predominately subject to time limitation. The reproductive success of the butterfly Pieris virginiensis at our Connecticut, USA, field site is strongly time constrained on two fronts. First, during their three-week flight season, only 60% of days and 28% of daytime hours were suitable for flight. Second, larval survival is impacted by the rapid senescence of their spring ephemeral host plant Dentaria diphylla, with eggs laid during the first half of the flight season having approximately three times the survival chance of those laid later. Yet, on average, females choose to oviposit on only half the plants they closely inspect and fly over most ramets without any inspection. Our experiments demonstrate that the preferred host ramets confer an approximate two-fold survival advantage. Females are not choosing plants that senesce later, despite the advantage that such plants would confer. We use empirical data on female behavior and larval performance to parameterize a simulation model. Model results suggest that, despite the notable time limitation in this system, the observed level of female oviposition site preference not only increases individual larval survival, but also total female fitness. Low egg loads in this species may contribute to selection for strong host plant discrimination.
All-electrical creation and control of spin-galvanic signal in graphene and molybdenum ditelluride heterostructures at room temperature
Creators: name: Hoque, Anamul Md.
name: Khokhriakov, Dmitrii
name: Zollner, Klaus
name: Zhao, Bing
name: Karpiak, Bogdan
name: Fabian, Jaroslav
name: Dash, Saroj P.
Publisher: name: Universität Regensburg
Year: 2021
Subjects: subject: Magnetic devices, Spintronics
subject: 530 Physik

description: The ability to engineer new states of matter and control their spintronic properties by electric fields is at the heart of future information technology. Here, we report a gate-tunable spin-galvanic effect in van der Waals heterostructures of graphene with a semimetal of molybdenum ditelluride at room temperature due to an efficient spin-charge conversion process. Measurements in different device geometries with control over the spin orientations exhibit spin-switch and Hanle spin precession behavior, confirming the spin origin of the signal. The control experiments with the pristine graphene channels do not show any such signals. We explain the experimental spin-galvanic signals by theoretical calculations considering the spin-orbit induced spin-splitting in the bands of the graphene in the heterostructure. The calculations also reveal an unusual spin texture in graphene heterostructure with an anisotropic out-of-plane and in-plane spin polarization. These findings open opportunities to utilize graphene-based heterostructures for gate-controlled spintronic devices.
Strain behavior and lattice dynamics in Ni50Mn35In15
Creators: name: Mejia, C. Salazar
name: Nayak, A. K.
name: Schiemer, J. A.
name: Felser, C.
name: Nicklas, M.
name: Carpenter, M. A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The lattice dynamics in the polycrystalline shape-memory Heusler alloy Ni$_{50}$Mn$_{35}$In$_{15}$ has been studied by means of resonant ultrasound spectroscopy (RUS). RUS spectra were collected in a frequency range $100-1200$ kHz between 10 and 350 K. Ni$_{50}$Mn$_{35}$In$_{15}$ exhibits a ferromagnetic transition at 313 K in the austenite and a martensitic transition at 248 K accompanied by a change of the magnetic state. Furthermore it displays a antiferromagnetic to ferromagnetic transition within the martensitic phase. We determined the temperature dependence of the shear modulus and the acoustic attenuation of Ni$_{50}$Mn$_{35}$In$_{15}$ and compared it with magnetization data. Following the structural softening, which accompanies the martensitic transition as a pretransitional phenomenon, a strong stiffening of the lattice is observed at the martensitic magneto-structural transition. Only a weak magnetoelastic coupling is evidenced at the Curie temperatures both in austenite and martensite phase. The large acoustic damping in the martensitic phase compared with the austenitic phase reflects the motion of the twin walls, which freezes out in the low temperature region.
description: 5 figures
Exploring Lie theory with GAP
Creators: name: de Graaf, Willem A.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 17B45, 20G05

description: We illustrate the Lie theoretic capabilities of the computational algebra system GAP4 by reporting on results on nilpotent orbits of simple Lie algebras that have been obtained using computations in that system. Concerning reachable elements in simple Lie algebras we show by computational means that the simple Lie algebras of exceptional type have the Panyushev property. We computationally prove two propositions on the dimension of the abelianization of the centralizer of a nilpotent element in simple Lie algebras of exceptional type. Finally we obtain the closure ordering of the orbits in the null cone of the spinor representation of the group Spin_{13}(C). All input and output of the relevant GAP sessions is given.
(2930) Ann [Waddelow]
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
[Pdf/ePub/Mobi] EL DIA QUE EL CIELO SE CAIGA + COLGANTE SWAROVSKI - MEGAN MAXWELL descargar ebook gratis
Creators: name: Bowie
Publisher: name: Zenodo
Year: 2024

description: EL DIA QUE EL CIELO SE CAIGA + COLGANTE SWAROVSKI de MEGAN MAXWELL

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Ficha técnica

EL DIA QUE EL CIELO SE CAIGA + COLGANTE SWAROVSKI

MEGAN MAXWELL

Número de páginas: 416

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788408158028

Editorial: PLANETA

Año de edición: 2016

 

 

 

 

 

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Overview

Edición especial y limitada que incluye un colgante con cristales Swarovski®La sangre te hace pariente, pero solo la lealtad y el amor te convierten en familia.Alba y Nacho se conocen desde que eran niños. La conexión entre ellos es muy especial y aumenta con el paso de los años, hasta que ella se casa y, obligada por su marido, se distancia de él. Nacho se marcha a Londres. Allí encontrará al amor de su vida, a quien luego perderá a causa de una desconocida enfermedad. Alba, que no sabe lo mal que lo está pasando su amigo, acude a él tras su fracaso matrimonial. Su reencuentro crea una unión irrompible, pero al cabo de poco tiempo ella descubre que Nacho también está enfermo. En su afán por ayudarlo a luchar contra lo que parece inevitable, Alba conocerá a Víctor. Y lo que en un principio no son más que encuentros fortuitos, se acaba convirtiendo en un amor incondicional que le permitirá superar sus miedos e inseguridades. Esta novela hará que te cuestiones varias cosas: ¿por qué el destino es capaz de hacernos encontrar a nuestra media naranja en el peor momento de nuestra vida? ¿Por qué siempre decimos que se mueren los buenos y los malos se quedan aquí para fastidiarnos? Si quieres conocer el desenlace de esta tierna, emotiva y dura historia de amor y amistad, no te pierdas El día que el cielo se caiga...
DIRECT AND INTERACTIVE EFFECTS OF ENEMIES AND MUTUALISTS ON PLANT PERFORMANCE: A META-ANALYSIS
Creators: name: Borowicz, Victoria A.
name: Hufbauer, Ruth A.
name: Torchin, Mark E.
name: Gilbert, Gregory S.
name: Agrawal, Anurag A.
name: Vaźquez, Diego P.
name: Mitchell, Charles E.
name: Bever, James D.
name: Power, Alison G.
name: Parker, Ingrid M.
name: Morris, William F.
name: Maron, John L.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2007

description: Plants engage in multiple, simultaneous interactions with other species; some (enemies) reduce and others (mutualists) enhance plant performance. Moreover, effects of different species may not be independent of one another; for example, enemies may compete, reducing their negative impact on a plant. The magnitudes of positive and negative effects, as well as the frequency of interactive effects and whether they tend to enhance or depress plant performance, have never been comprehensively assessed across the many published studies on plant-enemy and plant-mutualist interactions. We performed a meta-analysis of experiments in which two enemies, two mutualists, or an enemy and a mutualist were manipulated factorially. Specifically, we performed a factorial meta-analysis using the log response ratio. We found that the magnitude of (negative) enemy effects was greater than that of (positive) mutualist effects in isolation, but in the presence of other species, the two effects were of comparable magnitude. Hence studies evaluating single-species effects of mutualists may underestimate the true effects found in natural settings, where multiple interactions are the norm and indirect effects are possible. Enemies did not on average influence the effects on plant performance of other enemies, nor did mutualists influence the effects of mutualists. However, these averages mask significant and large, but positive or negative, interactions in individual studies. In contrast, mutualists ameliorated the negative effects of enemies in a manner that benefited plants; this overall effect was driven by interactions between pathogens and belowground mutualists (bacteria and mycorrhizal fungi). The high frequency of significant interactive effects suggests a widespread potential for diffuse rather than pairwise coevolutionary interactions between plants and their enemies and mutualists. Pollinators and mycorrhizal fungi enhanced plant performance more than did bacterial mutualists. In the greenhouse (but not the field), pathogens reduced plant performance more than did herbivores, pathogens were more damaging to herbaceous than to woody plants, and herbivores were more damaging to crop than to non-crop plants (suggesting evolutionary change in plants or herbivores following crop domestication). We discuss how observed differences in effect size might be confounded with methodological differences among studies.
Abbington Cove: A Ghost Story by Vin Petrini on Audiobook New
Creators: name: Canon
Publisher: name: Zenodo
Year: 2024

description: Abbington Cove: A Ghost Story by Vin Petrini

 

 

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Abbington Cove: A Ghost Story

Vin Petrini

Page: 316

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ISBN: 9798855652963

Publisher: Barnes & Noble Press

 

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False: False Negative Samples Aware Contrastive Learning for Semantic Segmentation of High-Resolution Remote Sensing Image
Creators: name: Zhang, Zhaoyang
name: Wang, Xuying
name: Mei, Xiaoming
name: Tao, Chao
name: Li, Haifeng
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: The existing SSCL of RSI is built based on constructing positive and negative sample pairs. However, due to the richness of RSI ground objects and the complexity of the RSI contextual semantics, the same RSI patches have the coexistence and imbalance of positive and negative samples, which causing the SSCL pushing negative samples far away while pushing positive samples far away, and vice versa. We call this the sample confounding issue (SCI). To solve this problem, we propose a False negAtive sampLes aware contraStive lEarning model (FALSE) for the semantic segmentation of high-resolution RSIs. Since the SSCL pretraining is unsupervised, the lack of definable criteria for false negative sample (FNS) leads to theoretical undecidability, we designed two steps to implement the FNS approximation determination: coarse determination of FNS and precise calibration of FNS. We achieve coarse determination of FNS by the FNS self-determination (FNSD) strategy and achieve calibration of FNS by the FNS confidence calibration (FNCC) loss function. Experimental results on three RSI semantic segmentation datasets demonstrated that the FALSE effectively improves the accuracy of the downstream RSI semantic segmentation task compared with the current three models, which represent three different types of SSCL models. The mean Intersection-over-Union on ISPRS Potsdam dataset is improved by 0.7\% on average; on CVPR DGLC dataset is improved by 12.28\% on average; and on Xiangtan dataset this is improved by 1.17\% on average. This indicates that the SSCL model has the ability to self-differentiate FNS and that the FALSE effectively mitigates the SCI in self-supervised contrastive learning. The source code is available at https://github.com/GeoX-Lab/FALSE.
description: 5 Pages, 3 Figures, 5 tables
Supplementary Figures from A load-based mechanism for inter-leg coordination in insects.
Creators: name: Dallmann, Chris J.
name: Hoinville, Thierry
name: Dürr, Volker
name: Schmitz, Josef
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Neuroscience
subject: 110601 Biomechanics
subject: FOS: Health sciences
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: Supplementary Figures S1-S4
[PDF/Kindle] Le grand guide Major Mouvement pour soigner vos douleurs by Major Mouvement
Creators: name: Thomas
Publisher: name: Zenodo
Year: 2024

description: Le grand guide Major Mouvement pour soigner vos douleurs pan Major Mouvement

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Caractéristiques

Le grand guide Major Mouvement pour soigner vos douleurs

Major Mouvement

Nb. de pages: 237

Format: Pdf, ePub, MOBI, FB2

ISBN: 9782501167468

Editeur: Marabout

Date de parution: 2022

 

 

 

Téléchargez gratuitement des livres pdf complets Le grand guide Major Mouvement pour soigner vos douleurs in French 9782501167468 DJVU CHM par Major Mouvement

 

Overview

Tendinite, lumbago, sciatique, hernie, déchirure musculaire, entorse, périostite... nous sommes tous concernés par des douleurs et des blessures, qui, dans 95% des cas, peuvent être soulagées rapidement. Major Mouvement, le kiné préféré des Français, répertorie les 55 maux les plus fréquents des pieds à la tête et vous propose le traitement idéal à faire chez soi pour vous soulager et vous reconstruire. Il vous suffit de répondre aux questions de l'arbre décisionnel pour identifier votre douleur précise, et de suivre les exercices proposés ! Avec pour chaque pathologie : - L'analyse et l'explication pour tout comprendre en un clin d'oeil - Le traitement adapté : les exercices indispensables pour détendre et reconstruire La nouvelle bible de référence pour soulager au quotidien vos douleurs et vos blessures ! Près de 200 exercices tout en photos Des illustrations pour tout comprendre Et des QR codes pour aller plus loin en vidéo
EFFECTS OF REGIONAL VS. ECOLOGICAL FACTORS ON PLANT SPECIES RICHNESS: AN INTERCONTINENTAL ANALYSIS
Creators: name: Qian, Hong
name: White, Peter S.
name: Song, Jong Suk
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2007

description: Conclusions from past studies on the roles that historical and regional factors and contemporary and ecological factors have played in regulating large-scale patterns of species richness have been controversial. Conflicting past results were likely affected by differences in the range of environments analyzed and the scales of observation. Eastern North America and eastern Asia are ideal regions for examining the relative effects of historical and regional factors and contemporary and ecological factors on large-scale patterns of plant species richness because these two regions are closely matched in terms of climate and because their floras originated from the same paleoflora but have experienced different histories of development since the late Paleogene when climate cooling caused their separation. We report on a comprehensive data set of 471 floras ranging from 10 km2 to 4.7 x 10(6) km2 and spanning a wide range of climate and latitude (from 21 degrees to 55 degrees N) to examine whether the contribution of region relative to climate persists from small to large floras and increases from cooler to warmer climates. We found that eastern Asia is richer than eastern North America when sample area, maximum elevation, and climate are accounted for, that this difference diminishes toward higher latitudes, and that elevation plays a much stronger role in eastern Asia than in eastern North America. Our analysis reconciles contemporary/ecological and historical/regional explanations for species richness variation and helps explain why different conclusions have been reached by different authors working in the same geographical areas: the strength of the region effect itself varies with location and range of climatic conditions of the observations.
Preflight performance studies of the PoGOLite hard X-ray polarimeter
Creators: name: Chauvin, M.
name: Jackson, M.
name: Kawano, T.
name: Kiss, M.
name: Kole, M.
name: Mikhalev, V.
name: Moretti, E.
name: Takahashi, H.
name: Pearce, M.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Polarimetric studies of astrophysical sources can make important contributions to resolve the geometry of the emitting region and determine the photon emission mechanism. PoGOLite is a balloon-borne polarimeter operating in the hard X-ray band (25-240 keV), with a Pathfinder mission focussing on Crab observations. Within the polarimeter, the distribution of Compton scattering angles is used to determine the polarisation fraction and angle of incident photons. To assure an unbiased measurement of the polarisation during a balloon flight it is crucial to characterise the performance of the instrument before the launch. This paper presents the results of the PoGOLite calibration tests and simulations performed before the 2013 balloon flight. The tests performed confirm that the polarimeter does not have any intrinsic asymmetries and therefore does not induce bias into the measurements. Generally, good agreement is found between results from test data and simulations which allows the polarimeter performance to be estimated for Crab observations.
description: Accepted for publication on Astroparticle Physics
GAFAS PARA ENTENDER EL ARTE MODERNO leer el libro pdf
Creators: name: Lafrance
Publisher: name: Zenodo
Year: 2024

description: GAFAS PARA ENTENDER EL ARTE MODERNO de ANTONIO PUERTA LOPEZ COZAR

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Ficha técnica

GAFAS PARA ENTENDER EL ARTE MODERNO

ANTONIO PUERTA LOPEZ COZAR

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788413391564

Editorial: ENCUENTRO

Año de edición: 2023

 

 

 

 

 

Ebook pdf epub descargas GAFAS PARA ENTENDER EL ARTE MODERNO

 

Overview

Antes no hacía falta entender nada para tener una experiencia estética al contemplar una obra de arte, pero hoy no es así: desde las cajas de Brillo de Andy Warhol hasta el tiburón en formol de Damien Hirst, en el mundo del arte actual se exponen muchas cosas extrañas, incluso chocantes. Se comprende que a menudo los espectadores se pregunten: ¿no es esto una tomadura de pelo? ¿Por qué el arte actual es así, por qué no se entiende? Antonio Puerta narra con claridad y perspicacia el viraje del arte en el siglo XX a través de 43 obras icónicas, dialogando a la vez con las ideas sociales, científicas, religiosas o culturales que las acompañan. Gafas para entender el arte moderno se abre, con estilo informativo y ameno, tanto al amante como al detractor del llamado «arte después del arte», para mostrar el contexto, advertir el impulso creador de cada artista y desentrañar el sentido de sus obras. Porque una cosa es aprender a mirar el arte actual y otra distinta entenderlo, las gafas que nos propone Puerta no son para corregir nuestra visión, sino para favorecerla. Tras la lectura de este libro, ir al museo o a la galería puede convertirse en una experiencia completamente diferente y, sobre todo, más gratificante.
(2929) Mathew Waddelow
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
ESTIMATING SURVIVAL RATES OF UNCATCHABLE ANIMALS: THE MYTH OF HIGH JUVENILE MORTALITY IN REPTILES
Creators: name: Pike, David A.
name: Pizzatto, Lígia
name: Shine, Richard
name: Pike, Brian A.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: Survival rates of juvenile reptiles are critical population parameters but are difficult to obtain through mark-recapture programs because these small, secretive animals are rarely caught. This scarcity has encouraged speculation that survival rates of juveniles are very low, and we test this prediction by estimating juvenile survival rates indirectly. A simple mathematical model calculates the annual juvenile survival rate needed to maintain a stable population size, using published data on adult survival rates, reproductive output, and ages at maturity in 109 reptile populations encompassing 57 species. Counter to prediction, estimated juvenile survival rates were relatively high (on average, only about 13% less than those of conspecific adults) and highly correlated with adult survival rates. Overall, survival rates during both juvenile and adult life were higher in turtles than in snakes, and higher in snakes than in lizards. As predicted from life history theory, rates of juvenile survival were higher in species that produce large offspring, and higher in viviparous squamates than in oviparous species. Our analyses challenge the widely held belief that juvenile reptiles have low rates of annual survival and suggest instead that sampling problems and the elusive biology of juvenile reptiles have misled researchers in this respect.
Descargar ebook BINDING 13 (LOS CHICOS DE TOMMEN 1) | Descarga Libros Gratis (PDF - EPUB)
Creators: name: Harlan
Publisher: name: Zenodo
Year: 2024

description: BINDING 13 (LOS CHICOS DE TOMMEN 1) de CHLOE WALSH

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Ficha técnica

BINDING 13 (LOS CHICOS DE TOMMEN 1)

CHLOE WALSH

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788419357373

Editorial: MONTENA

Año de edición: 2024

 

 

 

 

 

Es su nave de descarga de audiolibros. BINDING 13 (LOS CHICOS DE TOMMEN 1) de CHLOE WALSH 9788419357373 FB2 PDF en español

 

Overview

Una historia de amor epica e inolvidable: llega en español Binding 13, el primer libro del fenómeno de TikTok Los chicos de Tommen, de Chloe Walsh Nunca habrás sentido con tanta intensidad el poder del primer amor como en este romance deportivo. ¡No podrás dejar de leer! Hastaahora han permanecido en lados opuestos del campo, pero cuando sus dos mundos choquen, nada volverá a ser lo mismo. Johnny Kavanagh lo tiene todo a su favor. En el campo de rugby es una fuerza imparable. Ha nacido para el estrellato y nada detendrá su camino a la cima. Ni siquiera la tímida chica nueva del Instituto Tommen. La de los ojos tristes y los moratones escondidos. La que lo distrae como nunca nadie lo ha hecho.La vida nunca ha sido fácil para Shannon Lynch. Acosada y torturada por sus antiguas compañeras, llega a Tommen a mitad del año escolar, rezando por un nuevo comienzo y desesperada por librarse de los demonios de su pasado. En su primer día en la prestigiosa escuela privada, conoce, de forma bastante impactante, al famoso Johnny Kavanagh. Atrapada en un torbellino de sentimientos hacia el y desesperada por pasar desapercibida, Shannon se convierte una vez más en el blanco del acoso, pero la flam
Forward Inclusive Jet Productions in pA Collisions
Creators: name: Wang, Lei
name: Chen, Lin
name: Gao, Zhan
name: Shi, Yu
name: Wei, Shu-Yi
name: Xiao, Bo-Wen
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Motivated by recent experimental LHC measurements on the forward inclusive jet productions and based on our previous calculations on forward hadron productions, we calculate single inclusive jet cross-section in $pA$ collisions at forward rapidity within the color glass condensate framework up to the next-to-leading-order. Moreover, with the application of jet algorithm and proper subtraction of the rapidity and collinear divergences, we further demonstrate that the resulting next-to-leading-order hard coefficients are finite. In addition, in order to deal with the large logarithms that can potentially spoil the convergence of the perturbative expansion and improve the reliability of the numerical predictions, we introduce the collinear jet function and the threshold jet function and resum these large logarithms hidden in the hard coefficients.
Minimax quantum tomography: the ultimate bounds on accuracy
Creators: name: Ferrie, Christopher
name: Blume-Kohout, Robin
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistics Theory (math.ST)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: A minimax estimator has the minimum possible error ("risk") in the worst case. We construct the first minimax estimators for quantum state tomography with relative entropy risk. The minimax risk of non-adaptive tomography scales as $O(1/\sqrt{N})$, in contrast to that of classical probability estimation which is $O(1/N)$. We trace this deficiency to sampling mismatch: future observations that determine risk may come from a different sample space than the past data that determine the estimate. This makes minimax estimators very biased, and we propose a computationally tractable alternative with similar behavior in the worst case, but superior accuracy on most states.
HABITAT COMPLEXITY INFLUENCES CASCADING EFFECTS OF MULTIPLE PREDATORS
Creators: name: Kimbro, David L.
name: Hughes, A. Randall
name: Grabowski, Jonathan H.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: Although multiple predator effects and trophic cascades have both been demonstrated in a wide variety of ecosystems, ecologists have yet to incorporate these studies into an experimental framework that also manipulates a common and likely important factor, spatial heterogeneity. We manipulated habitat complexity, the presence of two top predators (toadfish and blue crabs), and one intermediate predator (mud crabs) to determine whether habitat complexity influences the strength of multiple predator interactions across multiple trophic levels in experimental oyster reef communities. In the absence of toadfish, blue crabs caused significant mud crab mortality. Despite also directly consuming mud crabs, toadfish indirectly benefited this intermediate predator by decreasing blue crab consumption of mud crabs. Toadfish suppression of mud crab foraging activity, and thus decreased mud crab encounters with blue crabs, is likely responsible for this counterintuitive result. Contrary to previous investigations which suggest that more complex habitats reduce interference interactions among predators, reef complexity strengthened emergent multiple predator effects (MPEs) on mud crabs. The degree to which these MPEs cascaded down to benefit juvenile oysters (basal prey) depended on both habitat complexity and nonconsumptive effects derived from predator-predator interactions. Habitat complexity reduced the foraging efficiency of each crab species individually but released crab interference interactions when together, so that the two crabs collectively consumed more oysters on complex reefs. Regardless of reef complexity, toadfish consistently decreased consumption of oysters by both crab species individually and when together. Therefore, interactions between predator identity and habitat complexity structure trophic cascades on oyster reefs. Furthermore, these cascading effects of multiple predators were largely mediated by nonconsumptive effects in this system.