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  • Blackwell Publishing Ltd  (2,074)
  • Oxford University Press  (1,616)
  • American Geophysical Union  (1,585)
  • 2020-2024  (103)
  • 1980-1984  (5,172)
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  • 1
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    Dark Energy Survey Year 3 Results: Deep Field optical + near-infrared images and catalogue (2021)
    Oxford University Press
    Details
    Publication Date: 2021-10-27
    Description: We describe the Dark Energy Survey (DES) Deep Fields, a set of images and associated multi-wavelength catalogue (ugrizJHKs) built from Dark Energy Camera (DECam) and Visible and Infrared Survey Telescope for Astronomy (VISTA) data. The DES Deep Fields comprise 11 fields (10 DES supernova fields plus COSMOS), with a total area of ∼30 square degrees in ugriz bands and reaching a maximum i-band depth of 26.75 (AB, 10σ, 2″). We present a catalogue for the DES 3-year cosmology analysis of those four fields with full 8-band coverage, totalling 5.88 sq. deg. after masking. Numbering 2.8million objects (1.6million post masking), our catalogue is drawn from images coadded to consistent depths of r = 25.7, i = 25, z = 24.3 mag. We use a new model-fitting code, built upon established methods, to deblend sources and ensure consistent colours across the u-band to Ks-band wavelength range. We further detail the tight control we maintain over the point-spread function modelling required for the model fitting, astrometry and consistency of photometry between the four fields. The catalogue allows us to perform a careful star-galaxy separation and produces excellent photometric redshift performance (NMAD = 0.023 at i 〈 23). The Deep-Fields catalogue will be made available as part of the cosmology data products release, following the completion of the DES 3-year weak lensing and galaxy clustering cosmology work.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press on behalf of The Royal Astronomical Society.
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  • 2
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    Dark energy survey year 3 results: Galaxy sample for BAO measurement (2021)
    Oxford University Press
    Details
    Publication Date: 2021-10-27
    Description: In this paper we present and validate the galaxy sample used for the analysis of the Baryon Acoustic Oscillation signal (BAO) in the Dark Energy Survey (DES) Y3 data. The definition is based on a colour and redshift-dependent magnitude cut optimized to select galaxies at redshifts higher than 0.5, while ensuring a high quality determination. The sample covers ∼ 4100 square degrees to a depth of i = 22.3 (AB) at 10σ. It contains 7,031,993 galaxies in the redshift range from z= 0.6 to 1.1, with a mean effective redshift of 0.835. Redshifts are estimated with the machine learning algorithm DNF, and are validated using the VIPERS PDR2 sample. We find a mean redshift bias of zbias ∼  0.01 and a mean uncertainty, in units of 1 + z, of σ68 ∼  0.03. We evaluate the galaxy population of the sample, showing it is mostly built upon Elliptical to Sbc types. Furthermore, we find a low level of stellar contamination of $lesssim 4{{ m per cent}}$. We present the method used to mitigate the effect of spurious clustering coming from observing conditions and other large-scale systematics. We apply it to the BAO sampleand calculate weights that are used to get a robust estimate of the galaxy clustering signal. This paper is one of a series dedicated to the analysis of the BAO signal in DES Y3. In the companion papers we present the galaxy mock catalogues used to calibrate the analysis and the angular diameter distance constraints obtained through the fitting to the BAO scale.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press on behalf of The Royal Astronomical Society.
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  • 3
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    Galaxy-galaxy lensing with the DES-CMASS catalogue: measurement and constraints on the galaxy-matter cross-correlation (2021)
    Oxford University Press
    Details
    Publication Date: 2021-10-28
    Description: The DMASS sample is a photometric sample from the DES Year 1 data set designed to replicate the properties of the CMASS sample from BOSS, in support of a joint analysis of DES and BOSS beyond the small overlapping area. In this paper, we present the measurement of galaxy-galaxy lensing using the DMASS sample as gravitational lenses in the DES Y1 imaging data. We test a number of potential systematics that can bias the galaxy-galaxy lensing signal, including those from shear estimation, photometric redshifts, and observing conditions. After careful systematic tests, we obtain a highly significant detection of the galaxy-galaxy lensing signal, with total S/N = 25.7. With the measured signal, we assess the feasibility of using DMASS as gravitational lenses equivalent to CMASS, by estimating the galaxy-matter cross-correlation coefficient rcc. By jointly fitting the galaxy-galaxy lensing measurement with the galaxy clustering measurement from CMASS, we obtain $r_{ m cc}=1.09^{+0.12}_{-0.11}$ for the scale cut of 4h−1 Mpc and $r_{ m cc}=1.06^{+0.13}_{-0.12}$ for 12h−1 Mpc in fixed cosmology. By adding the angular galaxy clustering of DMASS, we obtain rcc = 1.06 ± 0.10 for the scale cut of 4h−1 Mpc and rcc = 1.03 ± 0.11 for 12h−1 Mpc. The resulting values of rcc indicate that the lensing signal of DMASS is statistically consistent with the one that would have been measured if CMASS had populated the DES region within the given statistical uncertainty. The measurement of galaxy-galaxy lensing presented in this paper will serve as part of the data vector for the forthcoming cosmology analysis in preparation.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press on behalf of The Royal Astronomical Society.
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  • 4
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    Political Settlements and Development (2022)
    Oxford University Press
    Details
    Publication Date: 2022-09-06
    Description: Few concepts have captured the imagination of the conflict and development communities in recent years as powerfully as the idea of a ‘political settlement’. At its most ambitious, ‘political settlements analysis’ (PSA) promises to explain why conflicts occur and states collapse, the conditions for their successful rehabilitation, different developmental pathways from peace, and how to better fit development policy to country context. Yet despite the meteoric rise of the term and its tremendous promise, not all is well in the world of PSA. Rival definitions of the concept abound; there are disagreements about its scope and the way it should be used; a growing schism between conflict specialists and economists; basic concepts are ambiguous; and little progress has been made on measurement. This book consequently has three main aims. The first is to argue for a revised definition of a political settlement, capable of unifying its diverse strands. The second is to put the concept on a more solid theoretical and scientific footing, providing a method for measuring and categorizing political settlements, using both qualitative case studies and a large-n statistical analysis to illustrate its potential. And the third is to examine the implications of the findings for mainstream social science analysis and for policymakers.
    Keywords: Government Policy, Provision and Effects of Welfare Programmes, Economic Development, Development Planning and Policy, Rent-Seeking, Lobbying, Elections, Legislatures, and Voting Behavior, Bureaucracy, Administrative Processes in Public Organizations, Corruption, Conflict, Conflict Resolution, Alliances, Revolutions, Positive Analysis of Policy Formulation and Implementation, Political Economy ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCP Political economy ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCM Development economics & emerging economies ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCS Economic systems & structures
    Language: English
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  • 5
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    Immaculate Sounds (2023)
    Oxford University Press
    Details
    Publication Date: 2024-03-24
    Description: In Catholic doctrine, the Immaculate Conception of the Virgin Mary is the belief that Mary, the mother of Christ, was exempt from original sin from the moment of her conception, and thereby a co-redeemer alongside her son. Praise for this complicated devotion took place in Europe throughout the medieval period and resounded in the Americas with the founding of the first convent in Mexico City under the Order of the Immaculate Conception in 1540. All other orders of nuns in New Spain branched out from this convent, spreading the Marian devotion throughout the region. In this book, author Cesar D. Favila argues that the sonification of virginity and the Virgin Mary was fundamental to the promotion of the Immaculate Conception doctrine, and that this was part of a complex network of sonified practices in the lives of New Spanish nuns. These ""immaculate sounds,"" a term Favila uses for the cloistered nuns' idealized vocalizations as well as the expression of doctrinal rhetoric through musical metaphors, echoed the highly regulated realm of the convent and played a pivotal role in mediating between the lives of New Spanish nuns and the expectation that they would save the secular world with their vocalized prayers. In addition to the sonification of discipline, Favila shows that immaculate sounds also enhanced the nuns' engagement with their religious practices and facilitated embodied and spiritual engagement with Catholic doctrines. Throughout his study, he delves into rarely studied music sources from seventeenth- and eighteenth-century New Spain alongside the rulebooks, devotional literature, and nuns' biographies that regulated convent life and inspired nuns' hymns. In doing so, Favila brings together a narrative of salvation that shines a light on the musical lives of nuns and locates women's agency within a hierarchical society that silenced some women and required others to sing.
    Keywords: New Spain, 17th century, 18th century, Convents, Sacred music, Devotion, Discipline, Sound, Voice, Virgin Mary, Salvation, Villancicos, Puebla, Mexico City ; thema EDItEUR::A The Arts::AV Music
    Language: English
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  • 6
    Electronic Resource
    Electronic Resource
    CLINICAL MEASUREMENT OF SERUM C-REACTIVE PROTEIN IN THE MONITORING AND DIFFERENTIAL DIAGNOSIS OF INFLAMMATORY DISEASES AND TISSUE NECROSIS AND IN THE RECOGNITION AND MANAGEMENT OF INTERCURRENT INFECTION (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 389 (1982), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1982.tb22172.x
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  • 7
    Electronic Resource
    Electronic Resource
    Variability of SS433 and Extragalactic Compact Radio Sources (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 422 (1984), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1984.tb23383.x
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  • 8
    Electronic Resource
    Electronic Resource
    Proteins and Polysaccharides In the Nutrition of Paramecium Multimicronucleatun (1980)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 27 (1980), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: SYNOPSIS. Paramecium multimicronucleatum has been cultured for 20 years on a medium of salts, vitamins, amino acids, fatty acids, ribosides, and stigmasterol plus a little nondialyzable fraction (NDF) of baker's yeast. Fractionations of NDF identified 2 essentials: (a) in a fraction 〈 100,000 daltons which contained much protein and replaceable by ovalbumin and (b) in a fraction of 〈 300,000 daltons; this fraction contained much polysaccharide, replaceable by glycogen, which is 〉 300,000 daltons. For 2 years now P. multimicronucleatum has grown well with ovalbumin and glycogen replacing NDF. Besides ovalbumin, concanavalin A satisfies the protein requirement; this lectin attaches to sugar residues in glycogen. Studies with a fluorescent dye, PGA-1A, a stilbene derivative, provides further evidence for the polysaccharide requirement. This dye attaches to polysaccharides; when added to glycogen, and this in turn is added to a culture containing ovalbumin, fluorescent blue vacuoles appear within 2–3 h. When dye + glycogen were added to a culture without ovalbumin, no fluorescent vacuoles were found. A protein appears involved in formation of food vacuoles; this fits the pattern for endocytosis described in recent reviews. Besides glycogen, mannan gave good growth. Dextrin and amylopectin gave only fair growth through 7 serial transfers; glucose, maltose and amylose did not sustain growth. Strain 51 of P. tetratrelia, which grows well in NDF medium, grows well when NDF is replaced with ovalbumin and glycogen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1980.tb04272.x
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  • 9
    Electronic Resource
    Electronic Resource
    The relationship between stomatal conductance, transpiration rate and tracheid structure in Pinus radiata clones grown at different water vapour saturation deficits (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 6 (1983), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. Stomatal conductance and needle water potential of P. radiata clones were measured after 2, 5 and 8 months on plants grown in controlled environment rooms with markedly different water vapour saturation deficits (D). Conductance was significantly lower at high D, but water potential differences between treatments were not significant. When trees were moved between treatments most of the changes in conductances occurred within 2 h, with residual changes after 24 h. Water potentials were not different 24 h after the trees were moved. The effects were completely reversible.Transpiration rates of individual trees were highest in the high D treatment and lowest in the low D treatment. They were not linearly related to D because of decreasing conductance with increasing D.Height growth, diameter growth and foliage areas were not significantly different between treatments. Tracheid lumen diameters tended to be larger in trees grown at higher D although treatment differences were not significant.There were significant clonal differences in shoot conductance and tracheid dimensions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1365-3040.ep11589331
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  • 10
    Electronic Resource
    Electronic Resource
    A comparison between Shields' threshold criterion and the movement of loosely packed gravel in a tidal channel (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 31 (1984), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Observations of the threshold of movement of loosely packed gravel in a tidal current are described. For gravel with equivalent ‘spherical’ diameters D in the range 0.2 ≲D≲ 5.0cm the critical friction velocity u*c, corresponding to the initiation of sediment transport, is given by u*c=7.0 D0.2. At large values of D within the quoted range, the value u*c is significantly lower than would be obtained by a Shields experiment (u*c∞D0.5). By comparing our values of u*c with those obtained under well-controlled laboratory conditions, the discrepancy with Shields is shown to be due to the open spacing between, and exposure of, individual pebbles on the seabed. By comparing our results with those from upland gravel streams and flume experiments, it is suggested that Shields assumed an excessively large water depth to particle size ratio as a constraint within which the critical sediment entrainment number 0c is valid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1984.tb00722.x
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