cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Sympycnus seticosta Negrobov 1973
Creators: name: Negrobov, Oleg P.
name: Grichanov, Igor Ya.
name: Selivanova, Olga V.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Dolichopodidae
Sympycnus
Sympycnus seticosta

description: Sympycnus seticosta Negrobov
 Sympycnus seticosta Negrobov, 1973: 150.
 Distribution. Type locality: Mongolia: “ Archangaj aimak, Changaj Gebirge, 9 km N vom Pas Egijn davaa”. Palaearctic: Mongolia.
description: Published as part of Negrobov, Oleg P., Grichanov, Igor Ya. & Selivanova, Olga V., 2017, Review of East Palaearctic species of Sympycnus Loew, 1857, with a key to species, pp. 531-548 in Zootaxa 4277 (4) on page 540, DOI: 10.11646/zootaxa.4277.4.4, http://zenodo.org/record/814621
PLATOSpec, ground based support for PLATO
Creators: name: Guenther, Eike W.
Publisher: name: Zenodo
Year: 2021
Subjects: astronomy
PLATO
Exoplanet
Radial Velocity

description: One of the main goals of PLATO is to detect planets with R<2REarth of G- and K-stars, and to determine their masses using ultra-high precision radial-velocity (RV) measurements. Particularly interesting will be those planets in the so-called habitable zone. Given that PLATO will discover 4000 super-Earth of which 40-70 will be in the habitable zone, it will be impossible to determine the masses of all of them with RV-measurements. Furthermore, it is estimated that 80 to 90% of the host stars will be too active to determine the masses of low-mass planets in the habitable zone. We thus have to find out how actives the stars are before we observe them with other instruments. The Astronomical Institute ASCR at Ondrejov, the Universidad Catholica in Chile and the Thüringer Landessternwarte Tautenburg are thus building a dedicated high-resolution spectrograph PLATOspec to be installed at the ESO 1.52-m telescope at La Silla. The first aim of PLATOspec is to determine the stellar parameters including their activity level. The second aim is to study the activity of the host stars, because the photochemistry of planets is affected by the energetic radiation from the host stars. The third aim is to obtain RV-measurements with a precision of up to 3 m/s. Such measurements allow to determine the masses of gas-giant planets and low-mass planets orbiting in short-period orbits. Gas-giants will be also the prime targets for atmospheric characterizations. PLATOSpec will close the gap of missing instrumentation on mid-sized telescopes which are crucial for support of exoplanetary space missions such as now TESS and later PLATO and ARIEL.
description: 10 minute talk
Electrotransport and magnetic properies of Cr-GaSb spintronic materials synthesized under high pressure
Creators: name: Kondrin, M. V.
name: Gizatullin, V. R.
name: Popova, S. V.
name: Lyapin, A. G.
name: Brazhkin, V. V.
name: Ivanov, V. Y.
name: Pronin, A. A.
name: Lebed, Y. B.
name: Sadykov, R. A.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Electrotarnsport and magnetic properties of new phases in the system Cr-GaSb were studied. The samples were prepared by high-pressure (P=6-8 GPa) high-temperature treatment and identified by x-ray diffraction and scanning electron microscopy (SEM). One of the CrGa$_2$Sb$_2$ phases with an orthorhombic structure $Iba2$ has a combination of ferromagnetic and semiconductor properties and is potentially promising for spintronic applications. Another high-temperature phase is paramagnetic and identified as tetragonal $I4/mcm$.
Directions for 21st Century Lifelong Learning Institutes: Elucidating Questions from Osher Lifelong Learning Institute Studies
Creators: name: Talmage, Craig Allen
name: Hansen, Robert Jack
name: Knopf, Richard C.
name: Thaxton, Steven P.
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: The literature regarding lifelong learning is robust, while the literature on lifelong learning institutions, centers, and programs remain under-researched in comparison. This article draws insights from a specific network of lifelong learning institutes with a rich history and high rapport in the United States: the Osher Lifelong Learning Institute (OLLI) network. Sixty articles regarding OLLIs are catalogued and highlighted to elucidate twelve thematic areas and twelve questions for future research and practice. In particular, these themes are related to adult education, healthy aging, and educational gerontology. The article concludes by reflecting on trends in and needs for institutional research and practice. Les publications portant sur l’éducation permanente sont nombreuses, contrairement à celles touchant les institutions, centres et programmes d’éducation permanente qui, en comparaison, demeurent généralement mal connus. Cet article recueille des idées d’un réseau d’instituts d’éducation permanente ayant un passé riche et de bons rapports aux États-Unis : le réseau Osher Lifelong Learning Institute (OLLI). Soixante articles portant sur OLLI ont été catalogués et analysés pour faire ressortir douze thèmes et douze questions pour la recherche et la pratique à l’avenir. Ces thèmes se rattachent à l’éducation des adultes, le vieillissement sain et la gérontologie éducative. L’article se termine par des réflexions sur des tendances et des besoins relatifs à la recherche et la pratique institutionnelles. Mots clés : recherche institutionnelle, éducation permanente, ainés, éducation des adultes, universités adaptées aux personnes âgées
description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
Oppression and Resistance in Southern Higher and Adult Education: Mississippi and the Dynamics of Equity and Social Justice (2017) by Kamden K. Strunk, Leslie Ann Locke, Georgianna L. Martin
Creators: name: Nock, Matthew
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
Resonance strengths in the 14N(p, γ)15O and 15N(p, αγ)12C reactions
Creators: name: Marta, Michele
name: Trompler, Erik
name: Bemmerer, Daniel
name: Beyer, Roland
name: Broggini, Carlo
name: Caciolli, Antonio
name: Erhard, Martin
name: Fülöp, Zsolt
name: Grosse, Eckart
name: Gyürky, György
name: Hannaske, Roland
name: Junghans, Arnd R.
name: Menegazzo, Roberto
name: Nair, Chithra
name: Schwengner, Ronald
name: Szücs, Tamás
name: Vezzú, Simone
name: Wagner, Andreas
name: Yakorev, Dmitry
Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The 14N(p, γ)15O reaction is the slowest reaction of the carbon-nitrogen-oxygen cycle of hydrogen burning in stars. As a consequence, it determines the rate of the cycle. The 15N(p, αγ)12C reaction is frequently used in inverse kinematics for hydrogen depth profiling in materials. The 14N(p, γ)15O and 15N(p, αγ)12C reactions have been studied simultaneously, using titanium nitride targets of natural isotopic composition and a proton beam. The strengths of the resonances at Ep = 1058 keV in 14N(p, γ)15O and at Ep = 897 and 430 keV in 15N(p, αγ)12C have been determined with improved precision, relative to the well-known resonance at Ep = 278 keV in 14N(p, γ)15O. The new recommended values are ωγ= 0.353$\pm$0.018, 362$\pm$20, and 21.9$\pm$1.0 eV for their respective strengths. In addition, the branching ratios for the decay of the Ep = 1058 keV resonance in 14N(p, γ)15O have been redetermined. The data reported here should facilitate future studies of off-resonant capture in the 14N(p, γ)15O reaction that are needed for an improved R-matrix extrapolation of the cross section. In addition, the data on the 430 keV resonance in 15N(p, αγ)12C may be useful for hydrogen depth profiling.
description: 10 pages, 8 figures. Corrected typos in the abstract, table IV made more comprehensible. As accepted in Phys.Rev.C
PERFORMANCE EVALUATION OF ARIYO-KULANO SMALL SCALE IRRIGATION SCHEME IN KUCHA WOREDA, SNNPR, ETHIOPIA
Creators: name: AHMED ARATA HAILE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2018

description: Evaluating performance of existing irrigation schemes is vital to compare their potential and
current service. The main objective of performance evaluation of Ariyo Kulano small scale
irrigation scheme was to assess the problems and suggesting possible remedial measures.
Studying its performance level is very important to share the information to government and
donating organizations.
The performance of Ariyo Kulano Small Scale irrigation scheme was evaluated by estimating
water delivery performance indicators, water conveyance efficiency, water conveyance losses,
water use/supply, maintenance, physical, agricultural and economic performance indicators.
The water delivery performance indicators adequacy, efficiency, equity and dependability varied
widely from head to tail reach and, during the crop season from October to December with
overall average values equal to 0.83, 0.77, 0.26 and 0.31 respectively. Thus, the irrigation
scheme when compared with Molden and Gates standards was found under fair condition in
adequacy and efficiency and under poor condition in equity and dependability. The main canal
average water conveyance efficiency, water conveyance losses and losses in 100m per l/s varied
from 65.33% to 96.02%, 3.98 to 34.67 % and 2.55 to 6.39l/s respectively. Analyses of water-use
performance showed that relative water supply, relative irrigation supply and water delivery
capacity were ranked as 1.1, 2.24 and 1.14respectively.The water distribution was not according
to crop water demand in the case of relative irrigation supply. The relative water supply was
categorized under acceptable range. Actual discharge capacity at system head was greater than
the intended one. There was averagely 20% decrement deviation of water surface elevation
(DWSE) at full supply level (FSL). Effectiveness of infrastructure was found to be 35.3%.
Economically, the scheme had serious problem about the collection of water fees (13.2%),
financial self-sufficiency (0.59), and gross return on investment (31%). Physical performance,
evaluated in terms of irrigation ratio (0.75), cropping intensity (0.81) and sustainability of
irrigated land (2.42), were relatively fair.
Keywords: Ariyo Kulano irrigation scheme, water delivery performance, external water delivery
performance, conveyance efficiency and loss
GIS BASED LAND SUITABILITY ASSESSMENT FOR SURFACE IRRIGATION: CASE STUDY IN KOBO VALLEY,EASTERN AMHARA
Creators: name: BINIYAM FENTAYE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: The main objective of this  research is to evaluate land suitability for surface
irrigation method  based upon a parametric evaluation system in an area of
33,383.09  ha in the  Kobo Valley, Eastern Amhara.  Key factors that significantly
affect irrigation suitability evaluated in this study include physical land features
(land use, soil, and slope). These factors were  analyzed and evaluated based on
rating table values, then reclassified and overlaid to identify  suitability maps for
surface irrigation methods using Geographic Information System (GIS).
Groundwater  and  climate (rainfall and evapotranspiration)  data  were used to
estimate the groundwater potential, which indicates the corresponding irrigation
potential for major crop. The obtained results showed that 77.7 % (25,934.08 ha) of
study area was highly suitable (S1),  15.5 % (5,176.84 ha) of the study area was
moderately suitable (S2),  6.1 % (2,033.75 ha) of the study area was marginally
suitable (S3), 0.4 % (124.32 ha) of the study area was currently not suitable (N1) and
0.3% (114.11ha) of the study area was permanently not suitable (N2) for surface
irrigation  purpose.  In this particular study  drainage was the major limiting factor
and the cause for the area to be moderately suitable (S2); drainage and texture were
the major limiting factor and the cause for the area to be marginally suitable (S3).
Irrigation well yield potential using ground water assessment result  showed  that a
yield can satisfy  the crop water need of the study area  two  times  beyond  net
irrigation requirement, indicating that Kobo valley has high amount of ground water
resource to fulfill  maximum  crop water need  in the area  using surface irrigation
method. Hence, the majority of the study area was highly suitable and potential  in
terms of surface irrigation and ground water resource.
The University of Buenos Aires’ Programa Facultad Abierta: Reflections on a Collaborative and Political–Academic University Extension Initiative with Argentina’s Self-Managed Workers
Creators: name: Ruggeri, Andres
name: Antivero, Javier
name: Politi, Natalia
name: Vieta, Marcelo Alejandro
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: This perspectives article offers an overview of the Programa Facultad Abierta (Open Faculty Program) written by its faculty protagonists. Through the creation and continuation of this program the authors describe the evolution of the program that emerged from the socio-political context of Argentina’s 2001-2002 economic crisis. As a university extension program associated with the University of Buenos Aires’s Faculty of Philosophy and Letters, the Programa Facultad Abierta is both socially committed and community-focused. The Programa Facultad Abierta serves as an illustrative case study of the possibilities still available to the public university for not only engaging in continuing adult education, but also for playing a key role in supporting broader proposals for social change against and beyond social exclusion and strictly capitalist prerogatives. Indeed, the experiences of the Programa Facultad Abierta shows that the public university has an important role in an academic–political project which both co-creates knowledge and collaborates with otherwise marginalized communities and working people in forging alternative socio-economic destinies together. Cet article offre un aperçu du Programa Facultad Abierta (Programme d’études libres) écrit par les acteurs clés de la faculté. Les auteurs décrivent l’évolution de ce programme, de sa création découlant du contexte sociopolitique de la crise économique de l’Argentine en 2001-2002 jusqu’à son maintien de nos jours. En tant que programme d’éducation permanente lié à la faculté de philosophie et des lettres de l’Université de Buenos Aires, le Programa Facultad Abierta est à la fois engagé socialement et axé sur la communauté. Il sert de cas d’étude pour illustrer les possibilités qu’ont encore les universités publiques de non seulement s’impliquer dans le maintien de l’éducation des adultes, mais également de jouer un rôle clé dans l’appui des propositions plus larges visant le changement social pour éliminer l’exclusion sociale et les prérogatives strictement capitalistes. Effectivement, les expériences du Programa Facultad Abierta indiquent que l’université publique a un rôle important à jouer dans un projet académique-politique qui contribue à la création des connaissances et collabore avec des communautés marginalisées et des travailleurs pour créer ensemble des destins socioéconomiques alternatifs. Mots clés : programme d’éducation permanente; université publique; mouvements sociaux; autogestion des travailleurs; Argentine
description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
Can forests increase food production? Exploring landscape configuration and crop productivity - a case study from Southern Ethiopia
Creators: name: Yang, Kevin
Publisher: name: University of British Columbia
Year: 2019

description: Understanding the factors influencing agricultural yields and productivity is vital to food security. For millions of smallholder farmers, however, estimating field-level yields can be challenging. Furthermore, within agricultural landscapes interspersed with forests and trees, agricultural productivity in fields may be impacted by nearby forests, hedgerows, and other forms of tree cover. In an agricultural-forest mosaic in Southern Ethiopia, I used high spatial resolution (5-10m) satellite imagery to identify and differentiate two primary crops (with >90% accuracy) and assess the impact of nearby forest patches on wheat productivity. Second, using a suite of vegetation indices (VIs) as a proxy for wheat productivity, I determined whether productivity was enhanced or suppressed with increasing distance to forest. Results indicated that the proxies for wheat productivity increased by as much as 5% in parts of fields within 30 m of forest edges compared to fields further from forests. Lastly, I used historical and hypothetical future scenarios to examine the landscape-level implications of my results on overall wheat production. To do so, I applied the estimated 5% productivity increase to a series of agricultural-forested landscapes based on forest cover characteristics from the same study area. My goal was to compare and contrast landscapes to determine forest amounts and configurations which could optimize food production while minimizing forest loss. Between 1967 and 2013, a land cover and fragmentation analysis of Landsat and air photos showed a general trend towards reforestation (increase of ~8%) of more fragmented and sparser tree cover throughout the landscape over time. From hypothetical scenarios I found that forest edge productivity increases created non-linear food production benefits with hedgerow expansion. Differences in yield and production increases were ~2x higher when transitioning from a landscape with low to medium tree cover than transitioning from a landscape with high to higher tree cover. My results highlight potential benefits of a landscape approach for enhancing smallholder agricultural productivity in Southern Ethiopia. I argue that considering a landscape perspective can help support food security goals, particularly within the context of climate change considerations, and should play a more prominent role in planning for forest conservation and restoration.
Dynamics and Thermodynamics of (2+1)-Dimensional Evolving Lorentzian Wormhole
Creators: name: Farooq, M. Umar
name: Akbar, M.
name: Jamil, Mubasher
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this paper we study the relationship between the Einstein field equations for the (2+1)-dimensional evolving wormhole and the first law of thermodynamics. It has been shown that the Einstein field equations can be rewritten as a similar form of the first law of thermodynamics at the dynamical trapping horizon (as proposed by Hayward) for the dynamical spacetime which describes intrinsic thermal properties associated with the trapping horizon. For a particular choice of the shape and potential functions we are able to express field equations as a similar form of first law of thermodynamics $dE=-TdS+WdA$ at the trapping horizons. Here $E=ρA$, $T=-κ/2π$, $S=4π\tilde{r}_{A}$, $W=(ρ-p)/2$%, and $A=π\tilde{r}_{A}^{2}$, are the total matter energy, horizon temperature, wormhole entropy, work density and volume of the evolving wormhole respectively.
description: 20 pages, 4 figures, paper presented at the 3rd Algerian Workshop on Astronomy and Astrophysics
COMPARATIVE PERFORMANCE EVALUATION OF TWO SMALL SCALE IRRIGATION SCHEMES IN EAST SHOA ZONE, ETHIOPIA
Creators: name: MEGERSA ADUGNA GURARA
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Comparative performance evaluation of irrigation schemes is a tool to establish
benchmarks for both land and water productivity, and to identify performance gaps and
improvement options. Therefore, the aim of this study was to evaluate and compare  the
performance of Koftu and Fultino community managed  small-scale irrigation  schemes
using comparative performance indicators.  For this  purpose,  relevant  data  were
collected from the  schemes  from February to  April  2017. The primary data were
collected by observations, household survey, discussion and flow measurements, whereas
the secondary data were collected from secondary sources. After the data were collected,
CROPWAT 8.0 computer model was used to calculate the crop water and irrigation
requirements.  Then, the schemes were evaluated using four groups of comparative
indicators such as water supply, physical, outputs and financial indicators. The results
obtained showed that the values of relative water supply and irrigation supply were 2.64
and 2.72 for Koftu scheme, whereas 3.32 and 3.52 for the Fultino scheme, respectively.
These  values showed that both schemes withdraw more water than demanded.  In
addition, the water delivery performance ratio values for both schemes were found to be
high. Physical indicators such as irrigation ratio and sustainability of the irrigated area
showed that 0.9 and 1.5 for Koftu Scheme, 0.61 and 0.8 for Fultino scheme, respectively.
Likewise, the values of the output per unit command area were 5,765.57 and 3,925.42
US$/ha, similarly the output per unit harvested area was 3,714.93 and 3,545.81 US$/ha
for Koftu and Fultino scheme, respectively. The output per unit water consumed and unit
water supply were 0.77 and 0.72 US$/m3
, and 0.23 and 0.1 US$/m3
 for Koftu and Fultino
scheme, respectively. The financial self-sufficiency of the both schemes were higher due
to small values spent on operation and maintenance works. According to these results, it
can be concluded that by both land and water productivity  the performance of  Koftu
scheme was better. While the poor water productivity at Fultino scheme is due to excess
water supplied at the head. At the end, the following ideas were recommended: the water
available at the head of the system could be  used to irrigate more land  if enough
technical supports and training on distribution and irrigation scheduling should be applied and all canals should be maintained on a regular basis.
title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð²Ð»Ð¸ÑÐ½Ð¸Ñ ÐºÐ¾Ð½ÑÐ¸Ð³ÑÑÐ°ÑÐ¸Ð¸ Ð²Ñ Ð¾Ð´Ð½Ð¾Ð¹ ÑÐ°ÑÑÐ¸ ÑÐ¾Ð¿ÐµÐ» Ð½Ð° ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÑ ÑÐ¾Ð¿Ð»Ð¾Ð²Ð¾Ð³Ð¾ Ð°Ð¿Ð¿Ð°ÑÐ°ÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ° Ð¿Ð¾ Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ 13.04.03 - Ð­Ð½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð°ÑÐ¸Ð½Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ðµ ; 13.04.03_02 - ÐÐ°ÑÐ¾Ð²ÑÐµ Ð¸ Ð³Ð°Ð·Ð¾Ð²ÑÐµ ÑÑÑÐ±Ð¸Ð½Ñ
titleType: Subtitle
Creators: name: ÐÐ½Ð°ÑÐºÐ¸Ð½, ÐÐ»ÐµÐºÑÐµÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: ÐÐ°Ð·Ñ
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ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÑ

description: Ð Ð¿ÐµÑÐ²Ð¾Ð¹ Ð³Ð»Ð°Ð²Ðµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¼ÐµÑÐ¾Ð´Ñ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, ÑÑÐ°ÑÐ¸ÑÐµÑÐºÐ°Ñ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ° Ñ ÐÐÐ, Ð¾Ð±ÑÐµÐºÑÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¹, Ð¼ÐµÑÐ¾Ð´Ð¸ÐºÐ° Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð¾Ð¿ÑÑÐ½ÑÑ Ð´Ð°Ð½Ð½ÑÑ Ð¿Ð¾ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¾Ð¿Ð»Ð¾Ð²ÑÑ Ð°Ð¿Ð¿Ð°ÑÐ°ÑÐ¾Ð².
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description: In the first chapter, research methods are carried out, a static installation with ROV, objects of research, a technique for processing experimental data on the investigation of nozzle apparatus.
In the second chapter, the design features of the subsonic part of the nozzle apparatus are influenced on their efficiency, the investigation of the influence of the VU on the characteristics of nozzle devices and turbines, the theoretical basis for designing a new type of VU, and the study of input devices with different speeds of the working fluid.
In the third chapter, a method for determining the coefficient of flow of nozzle devices with axisymmetric nozzles and a numerical method for determining the energy losses in nozzle apparatus with axisymmetric nozzles are carried out.
A molecular cloud within the light echo of V838 Monocerotis
Creators: name: Kamiński, T.
name: Tylenda, R.
name: Deguchi, S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Context. V838 Mon is an eruptive variable, which exploded in 2002. It displayed the most spectacular light echo ever observed. However, neither the origin of the reflecting matter nor the nature of the 2002 outburst have been firmly constrained. Aims. We investigate the nature of the CO radio emission detected in the field of the light echo. In particular, we explore its connection to the echoing dust around V838 Mon. Methods. We observed the echo region in multiple CO rotational transitions. We present and analyse maps of the region obtained in the 12CO(1-0) and (3-2) lines. In addition, deep spectra at several positions were acquired in 12CO(1-0), (2-1), (3-2), and 13CO(1-0), (2-1). Radiative transfer modelling of line intensities is performed for chosen positions to constrain the kinetic temperatures and densities. We derive global parameters (e.g. mass, distance, total column density) of the emitting cloud. Results. We found that a compact molecular cloud is located within the echo region. The molecular emission is physically connected to the dusty environment seen in the optical echo and they both belong to the same translucent cloud. The interstellar nature of the cloud is confirmed by its high mass of 90-150 Msun. We propose that the cloud consists of material remaining after the formation of the cluster to which V838 Mon belongs. This indicates that the eruptive star has young age (3-10 Myr).
description: accepted for publication in A&A
INVESTIGATION OF LAND AND WATER RESOURCES POTENTIAL FOR  SURFACE IRRIGATION (CASE STUDY: BERESA WATERSHED IN NORTH SHEWA, ETHIOPIA)
Creators: name: ASRAT AKELE AYALEW
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Investigation of available land and water resources for irrigation is very important
agenda for planning and decision making of their use.The present study was initiated with
the objective of investigating the irrigable land and water resource potential of Beresa
watershed for the development of surface irrigation and providing the geo-referenced
data base regarding to irrigation suitability factors sepecifically slope,soil,LULC and
water aviliability of the area.The suitability of slope,   soil,   LULC and water aviliability
were investigated and geo-referenced each physical parameters using the aid of
ArcGIS9.3.The gross irrigation water requirement,crop water water requirement and
irrigation requirement of Wheat, Barely and Onion was estimated as per decade with the
aid of CROPWAT8  model. Soil depth,  soil drainage and soil texture of the study area
were overlay to each other in GIS so as to obtain the overall soil suitability and slope was
get hold of from DEM of 30*30 pixel resolution through reclassifying according to FAO
guidelines.  LULC of the study area was also done after importing the freely available
satellite image of the area and classified in supervised classification type using the aid of
ERDAS IMAGINE2014.  The overall suitability was done through weighted overlay
analysis of the slope, soil and LULC without including other factors of  irrigation
development. Accordingly, the overall soil suitability was 46.91% ranging from highly
suitable to marginally suitable for the development of surface irrigation and about 4.06%
to 48.33% slope of the watershed was highly suitable to marginally suitable.  About
10.45% of LULC was non-suitable for the development of surface irrigation.  Grossly
28.11%,   of the catchment area could potentially be developed  in  Beresa  with  the
available flow  of the  river.  Other irrigation suitability factors such as soil chemical
properties, socio-economic aspects, environmental hazards and  ground water
investigation should be studied additionally in detail for further irrigation development as
well as enhancing sustainability over the study area.
Disrupting Adult Education and Community Education: Teaching, Learning, and Working in the Periphery (2016) Robert C. Mizzi, Tonette S. Rocco, and Sue Shore, Editors
Creators: name: Connauton, Joshuha J.
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
Adult Education in the Post-Secondary Context: Sustainability in the 21st Century
Creators: name: Kolenick, Paul
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: The role of adult education is considered within the post-secondary context. In this paper, sustainability education, and particularly, the recent emergence globally of the United Nations University’s Regional Centres of Expertise (RCEs) provides an example of how adult education may continue to serve in the 21st century, an era that has already proven itself in peril with issues of social and environmental justice – spanning wide ranging challenges of gender, race, and ecology. Le rôle de l’éducation des adultes est étudié dans le contexte postsecondaire. Dans cet article, l’éducation au développement durable et notamment l’émergence récente sur l’échelle mondiale des Centres régionaux d’expertise de l’Université des Nations Unies, offre un exemple de la mesure dans laquelle l’éducation des adultes peut continuer à être utile au 21e siècle, époque qui s’est déjà avérée aux prises avec des problèmes de justice sociale et environnementale qui couvrent un vaste éventail de défis liés au genre, à la race et à l’écologie. Mots clés : éducation postsecondaire, interdisciplinarité, implication communautaire, éducation au développement durable, Centres régionaux d’expertise
description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
title: ÐÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ°ÑÑÐ¸ ÐÐ­Ð¡ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 30,2 ÐÐÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Design of the electrical part of the HPP with a capacity of 30.2 MW
Creators: name: Ð¡Ð²ÐµÑÑÐºÐ¾Ð²Ð°, ÐÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: ÐÐ¸Ð´ÑÐ¾ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐ°Ð½ÑÐ¸Ð¸
Ð­Ð»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐ°Ð½ÑÐ¸Ð¸
Ð ÐµÐ»ÐµÐ¹Ð½Ð°Ñ Ð·Ð°ÑÐ¸ÑÐ°
ÐÐ²ÑÐ¾Ð¼Ð°ÑÐ¸ÐºÐ°
ÐÐµÐ½ÐµÑÐ°ÑÐ¾ÑÑ
Ð­Ð»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑ ÐµÐ¼Ñ
Ð¢Ð¾ÐºÐ¸ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ
ÑÐ¸Ð»Ð¾Ð²Ð¾Ðµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ
ÐºÐ¾Ð¼Ð¼ÑÑÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ðµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ
power equipment
switching equipment

description: ÐÐ°Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐµÐ»ÐµÐ¹Ð½Ð¾Ð¹ Ð·Ð°ÑÐ¸ÑÑ Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÐºÐ¸ Ð³Ð¸Ð´ÑÐ¾ÑÐ»ÐµÐºÑÑÐ¾ÑÑÐ°Ð½ÑÐ¸Ð¸ (ÐÐ­Ð¡) Ð² ÑÐ²ÑÐ·Ð¸ Ñ Ð¼Ð¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸ÐµÐ¹ Ð¾ÑÐ½Ð¾Ð²Ð½Ð¾Ð³Ð¾ ÑÐ¸Ð»Ð¾Ð²Ð¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÑÐ°Ð½ÑÐ¸Ð¸. 1. ÐÑÐµÐ´Ð¾ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ Ð¾Ð±ÑÐµÐ¹ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¸ Ð¾ ÐÐ­Ð¡ Ð¸ Ð¾ÑÑÐ°Ð¶ÐµÐ½Ð¸Ðµ ÐµÐµ Ð³Ð»Ð°Ð²Ð½Ð¾Ð¹ ÑÑÐµÐ¼Ñ Ð¸ Ð¾ÑÐ½Ð¾Ð²Ð½Ð¾Ð³Ð¾ ÑÐ¸Ð»Ð¾Ð²Ð¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ. 2. Ð Ð°ÑÑÐµÑ ÑÐ¾ÐºÐ¾Ð² ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ Ð² ÑÐµÑÑÑÐµÑ ÑÐ°ÑÑÐµÑÐ½ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð°Ñ. 3. ÐÑÐ¾Ð²ÐµÑÐºÐ° Ð²ÑÐ±Ð¾ÑÐ° ÐºÐ¾Ð¼Ð¼ÑÑÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÑÐ°Ð½ÑÐ¸Ð¸. 4. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÐ»ÐµÐ¹Ð½Ð¾Ð¹ Ð·Ð°ÑÐ¸ÑÑ Ð³Ð¸Ð´ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ°. Ð ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ Ð±ÑÐ»Ð° ÑÐ¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð° ÑÐµÐ»ÐµÐ¹Ð½Ð°Ñ Ð·Ð°ÑÐ¸ÑÐ° Ð¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÐºÐ° (Ð ÐÐ) Ð³Ð¸Ð´ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ°, Ð° Ð¸Ð¼ÐµÐ½Ð½Ð¾ ÑÐ°ÑÑÐµÑ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ¾Ð² ÑÑÐ°Ð±Ð°ÑÑÐ²Ð°Ð½Ð¸Ñ Ð ÐÐ Ð² ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²Ð¸Ð¸ Ñ Ð½Ð¾ÑÐ¼Ð°ÑÐ¸Ð²Ð½ÑÐ¼Ð¸ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°Ð¼Ð¸ Ð¸ ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸ÑÐ¼Ð¸ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´Ð¸ÑÐµÐ»Ñ, ÑÐ¾Ð³Ð»Ð°ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð·Ð°ÑÐ¸Ñ, Ð¿ÑÐ¾Ð²ÐµÑÐºÐ¸ ÑÑÐ²ÑÑÐ²Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ñ ÑÑÐµÑÐ¾Ð¼ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸Ð¹ ÐÐ£Ð­ Ð¸ ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸Ð¹ Ð¿Ð¾ ÑÐ°ÑÑÐµÑÐ°Ð¼ Ð¾Ñ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´Ð¸ÑÐµÐ»Ñ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð ÐÐ.
description: This work is devoted to the design of relay protection and automation of a hydroelectric power plant (HPP) due to modernization of the main power equipment of the electrical station. 1. General information about the hydro power plant and main scheme and main power equipment description. 2. Calculation of short-circuit currents in four design modes. 3. Switching equipment choice verification. 4. Design of hydro power generator relay protection. As a result, the hydro power generator relay protection and automation (RPA) was designed, namely, the calculation of RPA operation parameters in accordance with the regulatory documents and manufacturer's recommendations. The coordination of protections, sensitivity checks were done with requirements of the PUE and recommendations for calculations from the manufacturer of the relay equipment.
EVALUATION OF  FIELD IRRIGATION EFFEICIENCIES IN  MELKA HIDA SMALL SCALE IRRIGATION THROUGH SOIL MOISTURE MONITORING: GELANA DISTRICT, ETHIOPIA
Creators: name: DUBA CHENA DERO
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Substantial amount  of diverted irrigation water is  often  lost because of poor water control,
inefficient irrigation conveyance systems, poor on-farm water management and poor application
practices. Evaluation of water application efficiency of the irrigation scheme can provide useful
input to efforts towards improving scheme performance. However, the water application
efficiency of the Melka Hida irrigation scheme  has not been evaluated  since  its operation.
Therefore, this research paper provides results of an evaluation of water application efficiency,
distribution efficiency, storage efficiency and losses by deep percolation and tail water runoff in
Melka Hida small  scale  irrigation  system  in West Guji Zone of Oromia Region. To  realize  the
objectives of the study, field experiments were conducted including water application depth and
continuous soil moisture monitoring for 36days and laboratory analysis was undertaken. Furrow
parameters such as furrow slope, width, length, and shape geometry were measured. The result
of this study  indicate that irrigation application efficiencies ranged from 57% to 64% with an
average of 61%  indicating that about 40% of the applied water was not used by crops. The
storage efficiencies ranged from 79.6% to 81.6% with an average of 80%.  The  soil moisture
measurements showed that the crops were water stressed during the experiment period.
Application efficiency decreases with increasing of steep slope  and cutoff time, large applied
depth, and high inflow rate  in the study area.  Unavailability  of irrigation water control
structure, weakness of WUAs and farmers toward maintenance of furrow and steep slope were
the major causes of inefficient of Melka Hida  irrigation scheme. Participation and commitment
of irrigation professionals in community irrigation scheme should be encouraged to raise
farmers’ level of understanding on irrigation system management.
Community-Supported Learning: Practicums, Adult Education and Post-Secondary Institutions
Creators: name: Sumner, Jennifer
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: Practicums are a form of adult education that moves the post-secondary institution beyond the classroom and into the community. As adult learning experiences, they are unparalleled, combining the resources of the academy with the opportunities of the wider world. This paper will explore the links between adult education and post-secondary institutions through the phenomenon of the practicum. Using a tripartite lens of social, experiential and workplace learning, it will examine a particular practicum course to understand how it enables communities of practice – ongoing processes of collective learning in a shared domain of human endeavour (Wenger, 2011). These communities of practice, in turn, foster what can be understood as community-supported learning, part of the foundation of ‘really useful knowledge’ that characterizes the broad and vital mission of adult education. Les stages sont une forme d’éducation des adultes qui sort l’apprentissage postsecondaire de la salle de classe et la situe dans la communauté. En tant qu’expériences d’apprentissage pour les adultes, ils sont inégalés, alliant les ressources d’une institution académique aux occasions du reste du monde. Cet article explorera les liens entre l’éducation des adultes et les institutions postsecondaires par le biais du phénomène des stages. S’appuyant sur la perspective tripartite de l’apprentissage social, expérientiel et en milieu de travail, l’article examinera un stage en particulier de sorte à comprendre comment il rend possible des communautés de pratique – des processus permanents d’apprentissage collectif dans une sphère partagée d’activité humaine (Wenger, 2011). Ces communautés de pratique, à leur tour, favorisent ce qu’on peut nommer l’apprentissage appuyé par la communauté, composante du fondement de « connaissances très utiles » qui caractérisent la mission élargie et vitale qu’est celle de l’éducation des adultes. Mots clés : stage, éducation des adultes, apprentissage appuyé par la communauté
description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
EVALUATING THE IMPACT OF CLIMATE CHANGE ON SURFACE  WATER RESOURCES FOR ESTIMATING CROP WATER DEMAND: A  CASE STUDY OF BIRR WATERSHED, ETHIOPIA
Creators: name: ALEMU ADEME BEKELE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Ethiopia is one of the most susceptible countries to the impact of climate change due to
dependency on rain-fed agriculture. This study focuses on the evaluating of climate
change impact on  surface water resources  for estimating crop water demand  in Birr
watershed,  Abay  Basin, Ethiopia. CORDEX-Africa  data output  of  Hadley Global
Environment Model 2- Earth System (HadGEM2-ES) for Birr catchment was selected
under representative concentration pathways (RCP2.6, RCP 4.5 and RCP 8.5) scenarios
for making future climate projections. Initially, data quality checked and consistency
for observed data was performed. In addition, the percent bias (PBIAS), coefficient of
variation (CV), and absolute mean square error (AME) was used to evaluate the
systematic error of rainfall and the relationship of observed and future model output.
The assessment of trends in climate variables was carried out using Mann-Kendall’s
tests and Sen’s slope estimators.  The  result of Mann-Kendall’s  test indicated that,
observed annual rainfall shows decreasing trend while the average temperature shows
an increasing trend. Also, it was found that in the future all RCPs except RCP4.5 at
Debecha station show decreasing trend, but, the average temperature will be expected
to increase in both time periods. The result of CROPWAT show that crop water and
irrigation water requirement for Maize will expect to increase throughout the growing
periods especially, crop water demand for maize will strongly increase during
development stage.  Further, HBV model was calibrated (R2
=0.79) and validated
(R2
=0.76) which is a good representation of the catchment. The result of the projected
steramflow indicates that, in the future the minimum flow under RCP8.5 and RCP4.5
scenarios statically  decrease and a significant down-ward change-point might be
occurred in the years of 2055 and 2035, respectively. Similarly, for 1-day and 7-day
maximum flow  under RCP8.5 and 90-day flow under  RCP4.5 will be expected to
decrease  significantly and a significant change-point will occur at 2060s and 2030s,
respectively. Conversely, under RCP2.6, the minimum as well as maximum flow will
decrease insignificantly and a significant change-point might not be occurring in the
coming six decades.
Weak itinerant ferromagnetism in Heusler type Fe2VAl0.95
Creators: name: Sato, K.
name: Naka, T.
name: Taguchi, M.
name: Nakane, T.
name: Ishikawa, F.
name: Yamada, Yuh
name: Takaesu, Y.
name: Nakama, T.
name: de Visser, A.
name: Matsushita, A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report measurements of the magnetic, transport and thermal properties of the Heusler type compound Fe2VAl0.95. We show that while stoichiometric Fe2VAl is a non-magnetic semi-metal a 5% substitution on the Al-site with the 3d elements Fe and V atoms leads to a ferromagnetic ground state with a Curie temperature TC = 33+-3 K and a small ordered moment ms = 0.12 mB/Fe in Fe2VAl0.95. The reduced value of the ratio ms/mp = 0.08, where mp = 1.4 mB/Fe is the effective Curie-Weiss moment, together with the analysis of the magnetization data M(H,T), show magnetism is of itinerant nature. The specific heat shows an unusual temperature variation at low temperatures with an enhanced Sommerfeld coefficient, g = 12 mJK-2mol-1. The resistivity, r(T), is metallic and follows a power law behavior r(T) = r0+AT^n with n = 1.5 below TC. With applying pressure, TC decreases with the rate of (1/TC)(dTC /dP) = -0.061 GPa-1. We conclude substitution on the Al-site with Fe and V atoms results in itinerant ferromagnetism with a low carrier density.
description: 27 pages, 9 figures
Uncertainty Updating in the Description of Coupled Heat and Moisture Transport in Heterogeneous Materials
Creators: name: Kucerova, Anna
name: Sykora, Jan
Publisher: name: arXiv
Year: 2011
Subjects: subject: Numerical Analysis (math.NA)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: To assess the durability of structures, heat and moisture transport need to be analyzed. To provide a reliable estimation of heat and moisture distribution in a certain structure, one needs to include all available information about the loading conditions and material parameters. Moreover, the information should be accompanied by a corresponding evaluation of its credibility. Here, the Bayesian inference is applied to combine different sources of information, so as to provide a more accurate estimation of heat and moisture fields [1]. The procedure is demonstrated on the probabilistic description of heterogeneous material where the uncertainties consist of a particular value of individual material characteristic and spatial fluctuations. As for the heat and moisture transfer, it is modelled in coupled setting [2].
Management practices and cow-level factors related to claw horn disruption lesions in dairy cows
Creators: name: Eriksson, Hanna Kristina
Publisher: name: University of British Columbia
Year: 2019

description: Prolonged standing has been related to an increased risk of claw horn disruption lesions (CHDL), likely by increasing the mechanical load on the hoof. Standing behaviour can be affected by management practices. For example, prolonged standing has been reported for primiparous animals after mixing with older cows, presumably as a result of increased social competition. The hoof is believed to be more vulnerable to mechanical damage around calving, making this a period of a particular interest. The aims of this thesis were to evaluate the relationship between standing behaviour around calving and CHDL later in lactation, and to investigate if the social environment affects how heifers behaviourally react to regrouping. In Chapter 1, I summarise the current knowledge regarding factors that can affect standing behaviour, with particular focus on the social environment. As there is no consensus for how to interpret longitudinal locomotion data, I evaluate how assessment frequency, and lameness definition affect measures of lameness incidence in Chapter 2. A single observation of compromised locomotion as criterion for lameness was poorly related to more strict lameness definitions, and to the presence of claw lesions at trimming. In Chapter 3, I evaluate if the positive association between prolonged standing and sole lesions found in experimental studies is present also on commercial farms. Standing time and standing bout duration during the first 2 wk after calving were positively related to the odds of developing sole lesions later in lactation, as was an increase in standing bout duration from pre- to postpartum. In Chapter 4, I investigate if the social environment influence the standing behaviour of newly calved heifers after regrouping. I found no difference in standing behaviour between heifers regrouped to a low-stocked pen with familiar animals and heifers mixed with multiparous older cow at 100% stocking density, and under the conditions used in this study regrouping did not cause prolonged standing. These studies provide evidence that standing behaviour during the transition period is temporally related with CHDL on commercial farms, and suggest that the effect of regrouping on standing behaviour is influenced by the conditions under which regrouping occurs.
Breakdown of the universal Josephson relation in spin ordered cuprate superconductors
Creators: name: Schafgans, A. A.
name: Homes, C. C.
name: Gu, G. D.
name: Komiya, Seiki
name: Ando, Yoichi
name: Basov, D. N.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We present \emph{c} axis infrared optical data on a number of Ba, Sr and Nd-doped cuprates of the La$_{2}$CuO$_{4}$ (La214) series in which we observe significant deviations from the universal Josephson relation linking the normal state transport (DC conductivity $σ_{DC}$ measured at $T_{c}$) with the superfluid density ($ρ_{s}$): $ρ_{s}\proptoσ_{DC}(T_{c})$. We find the violation of Josephson scaling is associated with striking enhancement of the anisotropy in the superfluid density. The data allows us to link the breakdown of Josephson interlayer physics with the development of magnetic order in the CuO$_2$ planes.
description: 5 pages, 3 figures