cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The establishment of the Kelowna orcharding area : a study of accommodation to site and situation
Creators: name: Reeves, Colin Malcolm
Publisher: name: University of British Columbia
Year: 2010

description: The focus of this study is the emergence of a successful orcharding industry as the economic base of the Kelowna area in the Okanagan Valley of southern British Columbia. The study seeks to examine the permissive factors which facilitated the developments that shaped the nature of the industry and the area. Such factors were the accommodation of fruit production to the local natural environment, and then accommodation to the wider market situation of which Kelowna was a part. Neither of these major adjustments was effectively made by the orchardists alone; government assistance in several forms played an important role. Initially the study focuses on adaptation to environment. The area was first made fit for orcharding by the installation of irrigation works to overcome problems of aridity. Subsequently there was an influx of largely inexperienced settlers into this unfamiliar environment. They made attempts to gain understanding of orcharding techniques and the hazards and constraints of the new environment, especially related to its soils and climate. Gradually, costly adjustments were made and fruit production was secured. This however highlighted marketing difficulties. Kelowna is situated relatively inaccessibly in the heart of the interior plateau. Its produce, mostly apples, was perishable and markets were both spatially and organizationally distant. To reap the benefits of more assured production it was necessary to reduce effectively that distance between producer and consumer by increasing grower control over fruit distribution and marketing. Most growers soon realised that a surrender of individualism to complete co-operation the only way to achieve this, but a certain disunity of thought and action among the orchardists resulted in an impasse that was only surmounted, with the aid of government legislation. In anticipation that a smoothly efficient orcharding industry would soon be organised to serve as the basis and support of life in the area, Kelowna soon developed the reputation of being a pleasant and attractive place to live. It was an anticipation long unfulfilled. Despite the area's natural advantages and. the resolution of the physical problems of fruit prediction, the nature of the product and the spatially dispersed and complex marketing system meant that orcharding was still economically uncertain without the organization of an efficient link between growers and market. Only when this was accomplished could the Kelowna area be described as a viable agricultural area with a sound economic base.
On equations over sets of integers
Creators: name: Jeż, Artur
name: Okhotin, Alexander
Publisher: name: arXiv
Year: 2010
Subjects: subject: Formal Languages and Automata Theory (cs.FL)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences
subject: F.4.3; F.4.1

description: Systems of equations with sets of integers as unknowns are considered. It is shown that the class of sets representable by unique solutions of equations using the operations of union and addition $S+T=\makeset{m+n}{m \in S, \: n \in T}$ and with ultimately periodic constants is exactly the class of hyper-arithmetical sets. Equations using addition only can represent every hyper-arithmetical set under a simple encoding. All hyper-arithmetical sets can also be represented by equations over sets of natural numbers equipped with union, addition and subtraction $S \dotminus T=\makeset{m-n}{m \in S, \: n \in T, \: m \geqslant n}$. Testing whether a given system has a solution is $Σ^1_1$-complete for each model. These results, in particular, settle the expressive power of the most general types of language equations, as well as equations over subsets of free groups.
description: 12 apges, 0 figures
Adsorption of Ni2+ in aqueous solution by KMnO4 modified biomass: Investigation on adsorption kinetics and modification mechanism
Creators: name: Tong, Yuxing
name: Yan, Qunshan
name: Gao, Song
name: Xiong, Bin
name: Tang, Xiangbing
name: Liu, Zhichang
name: Li, Pengfei
name: Huang, Ming
name: Wang, Ziwei
name: Le, Xi
name: Wei, Pei
name: Dai, Zejun
name: Xiong, Zhe
name: Wang, Yi
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Plant Biology

description: In this study, KMnO4 modification was proved to effectively increase the Ni2+ adsorption capacity of biomass. In order to clarify the KMnO4 modification mechanism, the Ni2+ adsorption characteristics of KMnO4 modified corncob (PPCB) under different conditions (adsorption time, pH and Ni2+ concentration) were studied. The results showed that the adsorption was the pseudo second-order kinetic process, indicating that chemisorption was the dominated process, which followed the Langmuir isotherm model and the highest Ni2+ adsorption capacity of PPCB reached 35.6 mg/g. By KMnO4 modification, the corncob was oxidized to generate carboxylates, and the MnO2 (reduction product) was loaded on the modified corncob, both carboxylates and MnO2 increased the Ni2+ adsorption capacity of PPCB. The molecular dynamics results indicated the carboxylate structures had the strongest adsorption capacity. Moreover, the Ni2+ removal efficiency of KMnO4 modified biomass decreased linearly with the increase of lignin content in biomass, while KMnO4 modified lignin showed a good adsorption performance, indicating that the cross-linked structures between lignin and other components in the biomass could inhibit the adsorption capacity of PPCB.
A Review of Bovine Bluetongue
Creators: name: Osburn, B. I.
name: MacLachlan, N. J.
name: Anderson, G. A.
name: Scott, J. L.
Publisher: name: American Association of Bovine Practitioners  Proceedings of the Annual Conference
Year: 1982

description: Bluetongue (BT) is an insect-transmitted, virus disease of domestic and wild ruminants. The disease was first described in South Africa, but has subsequently been recognized in a number of other countries, including the United States. 1,2 The best means of controlling infection in cattle is through control of the culicoides vector. This can be accomplished by frequent application of larvicides to water sources such as ponds, lagoons, etc. Variation oflagoon or pond water levels at weekly intervals will reduce the breeding sites of the culicoides. Application of insecticides at weekly intervals to cattle may reduce an insect population sufficiently so that the infection rate is reduced.
description: American Association of Bovine Practitioners Proceedings of the Annual Conference, 1982
Constructing rational curves on K3 surfaces
Creators: name: Bogomolov, Fedor
name: Hassett, Brendan
name: Tschinkel, Yuri
Publisher: name: arXiv
Year: 2009
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14J28; 14D15; 14D10

description: We develop a mixed-characteristic version of the Mori-Mukai technique for producing rational curves on K3 surfaces. We reduce modulo p, produce rational curves on the resulting K3 surface over a finite field, and lift to characteristic zero. As an application, we prove that all complex K3 surfaces with Picard group generated by a class of degree two have an infinite number of rational curves.
description: 19 pages
Mink is a highly susceptible host species to circulating human and avian influenza viruses
Creators: name: Sun, Honglei
name: Li, Fangtao
name: Liu, Qingzhi
name: Du, Jianyong
name: Liu, Litao
name: Sun, Haoran
name: Li, Chong
name: Liu, Jiyu
name: Zhang, Xin
name: Yang, Jizhe
name: Duan, Yuhong
name: Bi, Yuhai
name: Pu, Juan
name: Sun, Yipeng
name: Tong, Qi
name: Wang, Yongqiang
name: Du, Xiangjun
name: Shu, Yuelong
name: Chang, Kin-Chow
name: Liu, Jinhua
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Medicine
subject: Neuroscience
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology

description: Pandemic influenza, typically caused by the reassortment of human and avian influenza viruses, can result in severe or fatal infections in humans. Timely identification of potential pandemic viruses must be a priority in influenza virus surveillance. However, the range of host species responsible for the generation of novel pandemic influenza viruses remains unclear. In this study, we conducted serological surveys for avian and human influenza virus infections in farmed mink and determined the susceptibility of mink to prevailing avian and human virus subtypes. The results showed that farmed mink were commonly infected with human (H3N2 and H1N1/pdm) and avian (H7N9, H5N6, and H9N2) influenza A viruses. Correlational analysis indicated that transmission of human influenza viruses occurred from humans to mink, and that feed source was a probable route of avian influenza virus transmission to farmed mink. Animal experiments showed that mink were susceptible and permissive to circulating avian and human influenza viruses, and that human influenza viruses (H3N2 and H1N1/pdm), but not avian viruses, were capable of aerosol transmission among mink. These results indicate that farmed mink could be highly permissive “mixing vessels” for the reassortment of circulating human and avian influenza viruses. Therefore, to reduce the risk of emergence of novel pandemic viruses, feeding mink with raw poultry by-products should not be permitted, and epidemiological surveillance of influenza viruses in mink farms should be urgently implemented.
title: A case report of Dyke Davidoff Masson syndrome
Creators: name: Puligunta, Pooja Nikhitha
Publisher: name: EURORAD
Year: 2022
Subjects: subject: Neuroradiology
subject: CNS
subject: Neuroradiology brain
subject: Paediatric
subject: CT
subject: CT-High Resolution
subject: History
subject: Surgery
subject: Hyperplasia / Hypertrophy
subject: Obstruction / Occlusion
subject: Seizure disorders
subject: Clinical Cases

description: Clinical History: A 14-year-old female born out of nonconsanguineous marriage with insignificant birth history presented with complaints of weakness of right upper and lower limbs with poorly controlled seizures. Examination revealed right-sided spastic hemiparesis with brisk tendon reflexes and extensor plantar response. CT brain was done for the patient.

description: 14 years, female
Epidemiologic Diagnosis of Neonatal Diarrhea in Dairy Calves
Creators: name: Hancock, Dale
Publisher: name: American Association of Bovine Practitioners  Proceedings of the Annual Conference
Year: 1982

description: Diagnosis, to some, means the categorization or naming of a particular disease state. Others take a more extended view, holding that diagnosis must include delineation of the nature and origins of the disease state at hand with particular effort toward those areas in which a potential solution is available. This has been called epidemiologic diagnosis. In most instances of neonatal dairy calf diarrhea, agent identification is not diagnostic from an epidemiologic (solution-oriented) standpoint. The underlying causes may be identified only by a meticulous examination of management practices.
description: American Association of Bovine Practitioners Proceedings of the Annual Conference, 1982
The Fraction of Quiescent Massive Galaxies in the Early Universe
Creators: name: Fontana, A.
name: Santini, P.
name: Grazian, A.
name: Pentericci, L.
name: Fiore, F.
name: Castellano, M.
name: Giallongo, E.
name: Menci, N.
name: Salimbeni, S.
name: Cristiani, S.
name: Nonino, M.
name: Vanzella, E.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Aims: The aim of this work is to collect a complete, mass--selected sample of galaxies with very low specific star formation rate, for a comparison with the prediction of recent theoretical models. Method: We use the 24/K flux ratio, complemented by the SED fitting to the full 0.35-8.0 mum spectral distribution, to select quiescent galaxies from z~0.4 to z~4 in the GOODS--MUSIC sample. Our observational selection can be translated into thresholds on the specific star formation rate SFR/M_*, that can be used to compare with the theoretical predictions. Results: We find that, in the framework of the well known global decline of the quiescent fraction with redshift, a non-negligible fraction ~15-20% of massive galaxies with very low specific star formation rate exists up to z~4, including a tail of "Red&Dead" galaxies with SFR/M_*<10^{-11}/yr. Recent theoretical models vary to a large extent in the prediction of the fraction of galaxies with very low specific star formation rates, and are unable to provide a global match to our data.
description: The replaced version matches the published one (typos corrected)
Panel Discussion
Creators: name: Ardans, Dr.
name: Osborn, Dr.
Publisher: name: American Association of Bovine Practitioners  Proceedings of the Annual Conference
Year: 1982

description: Panel discussion about use of modified live BVD viruses in dairy herds, colostrum, hand milking versus machine milking and the resultant antibody level in the colostrum.
description: American Association of Bovine Practitioners Proceedings of the Annual Conference, 1982
Sneutrino as Lightest Supersymmetric Particle in B3 mSUGRA Models and Signals at the LHC
Creators: name: Bernhardt, M. A.
name: Das, S. P.
name: Dreiner, H. K.
name: Grab, S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We consider B3 mSUGRA models where we have one lepton number violating LQD operator at the GUT scale. This can alter the supersymmetric mass spectrum leading to a sneutrino as the lightest supersymmetric particle in a large region of parameter space. We take into account the restrictions from neutrino masses, the muon anomalous magnetic moment, b -> s gamma and other precision measurements. We furthermore investigate existing restrictions from direct searches at LEP, the Tevatron and the CERN p\bar p collider. We then give examples for characteristic signatures at the LHC.
description: 22 pages, 11 figures
The effects of a single dose of lorazepam on behavioural and procedural learning
Creators: name: Oldmeadow, Meredith Alison
Publisher: name: University Of Tasmania
Year: 2023

description: Research shows that lorazepam impairs episodic memory and perceptual priming, with preservation of some types of procedural memory. Behavioural learning has been reported as impaired by lorazepam, however the mechanism of action is unclear. The objectives of this study were to compare the effects of lorazepam on behavioural learning and explicit and implicit memory tasks, whilst controlling for state dependent learning effects and the amount of behavioural learning. Sixty participants received lorazepam 2.5 mg (L) or placebo (P) orally in two assessment sessions a week apart (four groups n=15: LL, LP, PP, PL). Pre-drug and post-drug neuropsychological assessment in session 1 comprised the Rey Auditory Verbal Leaming Test (RAVLT), Controlled Oral Word Association (COWA), Digit Span and Word-Stem Completion Task. In sessions 1 and 2, procedural learning was measured by the Serial Reaction Time Task (SRTT) and behavioural learning by a behavioural learning task (BLT) The BLT is a computer-aided vicarious exposure treatment for obsessive-compulsive disorder which models exposure and response prevention, using learning to criterion. BLT learning measures were derived from recording of human-computer interactions. Lorazepam impaired episodic memory (RAVLT) and perceptual priming (Word-Stem Completion). On the SRTT, Lorazepam slowed reaction time but rate of learning and accuracy, indices of procedural learning, were not impaired. On the BLT, Lorazepam increased time to criterion; carryover effects of learning between sessions 1 and 2 were substantially reduced in the LL and LP groups. High level learning in these groups was reduced in session 2, relative to a first session on placebo. State dependent learning effects were not found. Lorazepam impaired behavioural learning through impairment of explicit memory and possibly due to its direct impairment of insight learning, which has been implicated in behavioural therapies. Leaming strategies based on spared procedural memory may assist clinical participants taking benzodiazepines needing to learn behavioural skills.
Have mosquito vectors adapted to air pollutants in urbanised environments?
Creators: name: Rocha, Maya
name: Córdoba Aguilar, Alejandro
name: Miquelajauregui, Yosune
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 420202
subject: Disease surveillance
classificationCode: 310913
subject: Invertebrate biology

description: Analysis of link vector mosquitoes to air pollution, as well as air pollution's main socioeconomic driving forces in cities, along distribution of mosquitos in Mexico
What's In Store in Immunology
Creators: name: Muscoplat, Charles C.
Publisher: name: American Association of Bovine Practitioners  Proceedings of the Annual Conference
Year: 1982

description: Two major developments in biotechnology, namely recombinant DNA and hybridoma technology, have been employed to address problems in animal health and production. In this article we review three means by which these technologies have been employed to improve animal production: 1) prevent losses from infectious disease by facilitating the development of efficacious vaccines and antitoxins; 2) increase growth and milk production by providing unlimited quantities of genetically-engineered animal growth promotants; and 3) increase the nutritional quality of animal feed. This paper will first review the basic features of these new biotechnological developments and then discuss the kinds of reagents that have been developed by these technologies and how they will benefit animal health and production in the future.
description: American Association of Bovine Practitioners Proceedings of the Annual Conference, 1982
DESARROLLO SOSTENIBLE ¿ LA SOLUCIÓN A TODOS NUESTROS PROBLEMAS ?
Creators: name: Acuña, Juan Pablo
Publisher: name: Zenodo
Year: 2021
Subjects: Desarrollo sostenible
Objetivos de desarrollo sostenible
Desarrollo en Colombia
Problemática ambiental
Paz
Agenda 2030
Colombia

description: Este ensayo expone la relación entre el desarrollo sostenible y los impedimentos que tiene Colombia para ser un país desarrollado de una manera sostenible, también lo que necesita Colombia para lograr ser un país desarrollado dejando a un lado la violencia que ha afectado en muchos aspectos al país impidiendo tener en equilibrio los factores sociales, ambientales y económicos que son los pilares del desarrollo sostenible.
The Veterinarian
Creators: name: Herrick, John B.
Publisher: name: American Association of Bovine Practitioners  Proceedings of the Annual Conference
Year: 1982

description: Animal welfare is our responsibility. Let's demonstrate this charge by leading out to show the public that we love animals, that we want to care for them and that we will make this attempt without necessitating monetary return. In this way and in many other undescribed ways, veterinarians can take charge of animal welfare and not allow the uninformed to assume leadership. The mere fact that you are a veterinarian makes you an animal welfarist. With your training and knowledge, you are the logical resource personon items pertaining to the welfare of animals.
description: American Association of Bovine Practitioners Proceedings of the Annual Conference, 1982
What Are Animal Welfare People Telling Us?
Creators: name: Black, Neal
Publisher: name: American Association of Bovine Practitioners  Proceedings of the Annual Conference
Year: 1982

description: In brief, the animal welfarists are telling us that the most popular systems for producing meat, milk and eggs in the U.S. constitute abuse and deprivation of the animals involved. One of the major lessons of that trial and of other experience regarding this issue is that there are very good reasons why livestock producers have adopted the practices and systems they use. We've sometimes forgotten why these systems were adopted, but we're reminded quickly when we test some of the alternatives suggested by the welfarists.
description: American Association of Bovine Practitioners Proceedings of the Annual Conference, 1982
Secretory phospholipase A2 group XIIB plays key functional roles in Vibrio-induced antibacterial responses in the seahorse intestine
Creators: name: Xiao, Wanghong
Publisher: name: figshare
Year: 2021
Subjects: subject: 60804 Animal Immunology
subject: FOS: Biological sciences

description: Our supplementary material contains: Supplementary Materials; and two tables which contains the origianl datasets used in present study
Time-perception in Light In August, the Sound and the Fury and As I Lay Dying
Creators: name: Clarke, Margaret
Publisher: name: University of British Columbia
Year: 2010

description: It becomes apparent in three of his major novels that William Faulkner is very interested in the relationship between an individual's perception of time and his effectiveness as a human being. The characters he portrays as perceiving time as statically repetitive or as a mechanical progression of discrete moments are Faulkner's losers. They destroy themselves or are destroyed. Their faulty perceptions of time negate life's potential. Those characters who perceive time as fluid are his creators. They endure. Their immersion in the accumulating, ongoing present affirms life's potentiality. A study of Faulkner's writing reveals that he conceives of real time as fluid where the past accumulates around and gives significance to the present. Both flow endlessly into the future. His belief is rooted in his philosophy of change without cessation. William Faulkner's concepts of time and change closely parallel those of Henri Bergson. Both men insist on change as the principle of reality and both dislike stasis and rigidity as distortions of reality. In his fiction it emerges that Faulkner agrees with Bergson in the importance of intuition in perceiving the reality of time and change. He, like Bergson, is suspicious of the intellect as a distorter of reality. Faulkner's affirmation of the endurability of a consciousness which intuits and perceives the fluidity of time and change corresponds with Bergson's theory of creative evolution. His destroyed characters are those who do not or cannot exert their inherent free will to break from rigid formulations of experience and distortions of time. In this thesis I examine time-perception in three of William Faulkner's major novels, Light In August, The Sound and the Fury and As I Lay Dying.
Determinants of Farm Income Diversification Among the European Union Countries
Creators: name: Skarżyńska, Aldona
name: Grochowska, Renata
name: Skarżyńska, Aldona
name: Grochowska, Renata
Publisher: name: Unknown
Year: 2021
Subjects: subject: Agricultural Finance
subject: farm income
subject: production costs
subject: efficiency
subject: subsidies

description: The aim of the article is to indicate the main factors influencing the diversification of farm income in the European Union countries. The analysis involved the production potential, production costs, and the impact of subsidies on income under the Common Agricultural Policy. The research covered farms keeping agricultural accounting in the EU-28 countries. The analysis used data for 2015-2017 and 2018, collected and processed under the FADN EU system. The analyses show that farms in the EU differed significantly in terms of the agricultural land area, the value of assets, technical equipment of work, and production intensity. It was estimated that the intensity was related to the production direction and land productivity. The income situation of farms was also significantly influenced by production efficiency. On average, from 2015-2017, the cost of EUR 1 production ranged between EUR 0.64 and 1.32, and in 2018 it was between EUR 0.64 and1.28. As a consequence, in many countries farm income depended solely on subsidies to operating activities. The research shows that subsidies eliminate the differences between countries at the level of income from production (without subsidies), which suggests a further need to continue to equalize the level of subsidies among the EU countries.
One-dimensional Co–Cu–Fe–Ni–Zn high-entropy alloy nanostructures
Creators: name: Pavithra, Chokkakula L. P.
name: Janardhana, Reddy Kunda Siri Kiran
name: Reddy, Kolan Madhav
name: Murapaka, Chandrasekhar
name: Wang, Xiaodong
name: Dey, Suhash Ranjan
Publisher: name: Taylor & Francis
Year: 2021
Subjects: Biophysics
Space Science
Physical Sciences not elsewhere classified
Neuroscience
Chemical Sciences not elsewhere classified

description: We streamlined a way towards first experimental demonstration of synthesizing one-dimensional Co–Cu–Fe–Ni–Zn high-entropy alloy (HEA) nanowires (NWs) by an economical electrochemical technique in aqueous medium. HEA NWs have a face-centred cubic structure with nanocrystalline features, including twins along the nanowire of uniform length ∼50 µm and diameter 100 ± 20 nm. Control over the formation and uniform stoichiometry (required range for HEAs ∼ 5–35 atom %) throughout the HEA NWs and its nanocrystallinity was achieved using pulse electrodeposition. These Co–Cu–Fe–Ni–Zn nanowires are a new family of HEAs containing both magnetic and non-magnetic elements in addition to its new 1D morphology. A breakthrough in attaining single FCC phase high-entropy alloy nanowires through aqueous electrochemical route which facilitates new possibilities for unexplored applications of high-entropy alloys at lower dimensions.
Onlinewerbekompetenzen von Kindern: Einfluss eines schulischen Treatments auf das Erkennen und Beurteilen von Influencer Werbung bei Schülerinnen und Schüler der 5. und 6. Klasse in der Volksschule Luzern
Creators: name: Waltisberg, Isabel
Publisher: name: Zenodo
Year: 2021

description: Bei dem täglichen Umgang mit Medien erlangen Kinder einen Teil der Medienkompetenz. Dabei ist nicht alles erlernbar und es braucht pädagogische Instruktionen (Schulze, 2013). Zur Medienkompetenz gehört auch Werbewissen und Werbekompetenz. Studien zu klassischen Werbeformaten wie TV und Radio gibt es viele. Eine Metastudie von 2019 zeigte, dass sich Studien zu den neuen Werbeformaten erst in jüngster Zeit damit befassen und viele neue Werbeformate unberücksichtigt bleiben (De Jans et al., 2019). Es ist anzunehmen, dass Kinder mehr Schwierigkeiten haben, neue Werbeformate zu erkennen und zu verstehen als bei herkömmlichen Werbepraktiken. Das Identifizieren von Online Werbung ist eine Herausforderung für Kinder (vgl. Rozendaal et al., 2011; Ali et al., 2009). Diese Arbeit nimmt sich der Thematik von Online Werbung an und fokussiert sich auf den Aspekt von Influencer Werbung und Produktplatzierungen. Das Ziel der vorliegenden Arbeit ist es herauszufinden, inwiefern Kinder Werbung bei Influencerinnen und Influencer erkennen und diese kritisch beurteilen können.
description: + Studiengang: Fachdidaktik Medien und Informatik
Effect of manganese doping on the size effect of lead zirconate titanate thin films and the extrinsic nature of dead layers
Creators: name: Lou, X. J.
name: Wang, J.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We have investigated the size effect in lead zirconate titanate (PZT) thin films with a range of manganese (Mn) doping concentrations. We found that the size effect in the conventional Pt/PZT/Pt thin-film capacitors could be systematically reduced and almost completely eliminated by increasing Mn doping concentration. The interfacial layer at the electrode-film interface appears to disappear almost entirely for the PZT films with 2% Mn doping levels, confirmed by the fits using the conventional in-series capacitor model. Our work indicates that the size effect in ferroelectrics is extrinsic in nature, supporting the work by Saad et al. Other implications of our results have also been discussed. By comparing a variety of experimental studies in the literature we propose a scenario that the dead layer between PZT (or barium strontium titanate, BST) and metal electrodes such as Pt and Au might have a defective pyrochlore/fluorite structure (possibly with a small portion of ferroelectric perovskite phase).
description: 21 pages, 6 figures
A posteriori error bounds for discontinuous Galerkin methods for quasilinear parabolic problems
Creators: name: Georgoulis, Emmanuil H.
name: Lakkis, Omar
Publisher: name: arXiv
Year: 2010
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 65M60, 65M15, 62F35

description: We derive a posteriori error bounds for a quasilinear parabolic problem, which is approximated by the $hp$-version interior penalty discontinuous Galerkin method (IPDG). The error is measured in the energy norm. The theory is developed for the semidiscrete case for simplicity, allowing to focus on the challenges of a posteriori error control of IPDG space-discretizations of strictly monotone quasilinear parabolic problems. The a posteriori bounds are derived using the elliptic reconstruction framework, utilizing available a posteriori error bounds for the corresponding steady-state elliptic problem.
description: 8 pages, conference ENUMATH 2009
Effects of the unit "Indians in transition" upon the attitudes of white high school students towards Indians
Creators: name: Lefroy, Mark Stephen
Publisher: name: University of British Columbia
Year: 2010

description: The study examines the problem of attitude measurement, with specific reference to the effectiveness of a book Indians in Transition prescribed for use in British Columbia secondary schools. The treatment consisted of an ordered one month classroom exposure to the three sections of the book, which roughly follow the Canada Studies Foundation recommended format of: statement of the problem, roots of the problem, and possible solutions to the problem. Rationale for predicting a positive change in attitude largely derived from the writings of Hovland and Fishbeln, and demonstrable parallels between their theories and the materials in Indians in Transition. The design was a randomized intact groups assigned to experimental and control modes, post-test only format, involving a sample of some three hundred lower mainland secondary students. Control groups did not receive a related Indian-based treatment, but were engaged 1n studies of a neutral nature—the regular exploration unit of the grade 10 curriculum. This introduced a possible "Hawthorne" effect, but was unavoidable due to the absence of any other specifically attitude-oriented program dealing with Indian problems on any systemized basis. The other major problem appeared to be a lack of strict definition and control over the application of the treatment. However this problem, which derived in part from the practical, non-laboratory nature of the study, did not prevent significant findings, and thus perhaps serves to emphasize the usefulness of this material in a wide range of classroom situations. It was necessary to develop a new instrument for the study. This was a Thurstone type scale based loosely upon an earlier general scale by Remmers. It was tested for sensitivity by means of validity and reliability tests and was found satisfactory. Significant difference was found at the .05 level between experimental and control groups, and thus it was concluded that groups of students subjected to a Continuing Concerns approach unit on Canadian Indians demonstrate a more positive attitude toward Indians than do groups of students following the regular curriculum.
Aspects of light acclimation
Creators: name: Olesen, Trevor
Publisher: name: University Of Tasmania
Year: 2023

description: A field study recognises three ways in which a forest canopy modifies the incoming solar radiation to give the light climate on the forest floor. First, it attenuates the intensity of light. Second , it alters the spectral quality of that light. Third , it reduces the effective daylength. The ability of photosynthetic species to respond to each of these was thus examined. Atherosperma moschatum and Elaeocarpus holopetalus are both shown to alter their development and carbon exchange characteristics in response to different light intensities. The carbon exchange characteristics indicate that A. moschatum is the more shade-tolerant of the two species, a conclusion supported by a field study of a forest where the two species co-dominate. A. moschatum is shown to be sensitive to nightbreaks of red/near infrared irradiation. In the experiment only stem elongation was significantly affected. Microcystis aeruginosa, a cyanobacterium, changes its carbon exchange and carbohydrate partitioning characteristics in response to different photoperiods and light intensities. The changes seem to relate to light and carbon use efficiencies under light limited conditions. A. mosqhaium is shown to respond in a similar way when conditioned to different daylengths, nightlengths and light intensities. Ananas comosus, pineapple, undergoing crassulacean acid metabolism is shown to acclimaJe to nightlength in a similar way to A. moschatum. The acclimation involves changes to both C3 and C4 photosynthetic metabolism. Within a single sapling of A. moschatum leaves are shown to acclimate to different light intensities in a manner similar to that shown earlier for comparisons between plants. The laboratory results are brought to bear on the developmental variation shown by saplings of A. moschatum growing in the same forest from which the light measurements which began this study were taken. The dimensions of leaves and internodes indicate light to be a major determinant of form within this forest.
Gender und Pair Programming: Eine empirische Studie zur Zusammenarbeit von geschlechtshomogenen und -heterogenen Zweiergruppen in einem Robotik-Kurs
Creators: name: Küng, Janine Nadja
Publisher: name: Zenodo
Year: 2021

description: Pair Programming ist eine Arbeitstechnik, bei welcher zwei Personen nach bestimmten Regeln gemeinsam programmieren. In dieser Videostudie mit Lernenden der Primar- und Sekundarstufe wird untersucht, ob und inwiefern sich die Zuteilung in geschlechtshomogene und -heterogene Paare auf die Zusammenarbeit beim Pair Programming in einem Robotik-Kurs auswirkt. Die Ergebnisse weisen darauf hin, dass sich die Geschlechterzusammensetzungen bezüglich Lösegeschwindigkeit, Anzahl angeforderter Hilfestellungen, Rollenwechsel, sowie Summe der Anzahl und Dauer der Eingriffe in der Navigatoren-Rolle nicht statistisch signifikant unterscheiden. Nur bei Schülerinnen und Schülern der Sekundarstufe zeigt sich, dass die Lernenden in geschlechtshomogenen männlichen Paaren in der Navigatoren-Rolle statistisch signifikant häufiger eingreifen als in anderen Geschlechterzusammensetzungen. In geschlechtsheterogenen Paaren greifen weder die Jungen noch die Mädchen in der Navigatoren-Rolle häufiger ein. Geschlechtsheterogene Paare weisen die höchste Variabilität der Lösegeschwindigkeit und Summe der durchschnittlichen Dauer eines Eingriffs auf. Weiterführende Forschung im Bereich Gender und Pair Programming könnte auf die Qualität der Zusammenarbeit ausgerichtet sein.
description: + Studiengang: Fachdidaktik Medien und Informatik
Additional file 1: of Highly pathogenic avian influenza H7N9 viruses with reduced susceptibility to neuraminidase inhibitors showed comparable replication capacity to their sensitive counterparts
Creators: name: Tang, Jing
name: Zhang, Jing
name: Zhou, Jianfang
name: Zhu, Wenfei
name: Yang, Lei
name: Zou, Shumei
name: Wei, Hejiang
name: Xin, Li
name: Huang, Weijuan
name: Li, Xiyan
name: Cheng, Yanhui
name: Wang, Dayan
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Biological Sciences not elsewhere classified
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology

description: Table S1. Mutation on key sites of HPAI H7N9 virus from human cases. (DOCX 26 kb)
Supersymmetry breaking, heterotic strings and fluxes
Creators: name: Becker, Katrin
name: Bertinato, Chris
name: Chung, Yu-Chieh
name: Guo, Guangyu
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this paper we consider compactifications of heterotic strings in the presence of background flux. The background metric is a T^2 fibration over a K3 base times four-dimensional Minkowski space. Depending on the choice of three-form flux different amounts of supersymmetry are preserved (N=2,1,0). For supersymmetric solutions unbroken space-time supersymmetry determines all background fields except one scalar function which is related to the dilaton. The heterotic Bianchi identity gives rise to a differential equation for the dilaton which we discuss in detail for solutions preserving an N=2 supersymmetry. In this case the differential equation is of Laplace type and as a result the solvability is guaranteed.
description: 26 pages, corrected typos, added references
title: Osseous dysraphism hamartoma with lipomeningomyelocele
Creators: name: Gala, Foram
Publisher: name: EURORAD
Year: 2022
Subjects: subject: Paediatric radiology
subject: Neuroradiology spine
subject: MR
subject: Clinical Cases

description: Clinical History: An 8 months old male child presented with swelling over the lumbosacral region (grossly stable in size since birth) and left lower limb weakness since 2 weeks. MRI of the lumbosacral spine with screening of the whole spine and brain was performed for further evaluation of swelling.

description: 8 months, male
Time correlation functions and transport coefficients of two-dimensional Yukawa liquids
Creators: name: Donko, Zoltan
name: Goree, John
name: Hartmann, Peter
name: Liu, Bin
Publisher: name: arXiv
Year: 2008
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The existence of coefficients for diffusion, viscosity and thermal conductivity is examined for two-dimensional (2D) liquids. Equilibrium molecular dynamics simulations are performed using a Yukawa potential, and the long-time behavior of autocorrelation functions is tested. Advances reported here as compared to previous 2D Yukawa liquid simulations include an assessment of the thermal conductivity, using a larger system size to allow meaningful examination of longer times, and development of improved analysis methods. We find that the transport coefficient exists for diffusion at high temperature, and viscosity at low temperature, but not in the opposite limits. The thermal conductivity coefficient does not appear to exist at high temperature. Further advances in computing power could improve these assessments by allowing even larger system sizes and longer time series.
The metadat Package: A Collection of Meta-Analysis Datasets for R
Creators: name: Viechtbauer, Wolfgang
Publisher: name: Zenodo
Year: 2022
Subjects: ESMARConf2022
evidence synthesis
meta-analysis
RStats

description: The metadat package is a data package for R that contains a large collection of meta-analysis datasets. Development of the package started at the 2019 Evidence Synthesis Hackathon at UNSW Canberra with a first version of the package released on CRAN on 2021-08-20. As of right now, the package contains 70 datasets from published meta-analyses covering a wide variety of disciplines (e.g., education, psychology, sociology, criminology, social work, medicine, epidemiology, ecology). The datasets are useful for teaching purposes, illustrating and testing meta-analytic methods, and validating published analyses. Aside from providing detailed documentation of all included variables, each dataset is also tagged with one or multiple 'concept terms' that refer to various aspects of a dataset, such as the field/topic of research, the outcome measure used for the analysis, the model(s) used for analyzing the data, and the methods/concepts that can be illustrated with the dataset. The package also comes with detailed instructions and some helper functions for contributing additional datasets to the package.
Parton Propagation and Fragmentation in QCD Matter
Creators: name: Accardi, Alberto
name: Arleo, Francois
name: Brooks, William K.
name: D'Enterria, David
name: Muccifora, Valeria
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We review recent progress in the study of parton propagation, interaction and fragmentation in both cold and hot strongly interacting matter. Experimental highlights on high-energy hadron production in deep inelastic lepton-nucleus scattering, proton-nucleus and heavy-ion collisions, as well as Drell-Yan processes in hadron-nucleus collisions are presented. The existing theoretical frameworks for describing the in-medium interaction of energetic partons and the space-time evolution of their fragmentation into hadrons are discussed and confronted to experimental data. We conclude with a list of theoretical and experimental open issues, and a brief description of future relevant experiments and facilities.
description: Invited review paper for "Rivista del Nuovo Cimento". 112 pages, 67 figures, 13 tables
Cascading symmetry constraint during machine learning-enabled structural search for sulfur induced Cu(111)-$(\sqrt{43}\times\sqrt{43})$ surface reconstruction
Creators: name: Brix, Florian
name: Christiansen, Mads-Peter Verner
name: Hammer, Bjørk
Publisher: name: arXiv
Year: 2025
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In this work, we investigate how exploiting symmetry when creating and modifying structural models may speed up global atomistic structure optimization. We propose a search strategy in which models start from high symmetry configurations and then gradually evolve into lower symmetry models. The algorithm is named cascading symmetry search and is shown to be highly efficient for a number of known surface reconstructions. We use our method for the sulfur induced Cu (111) $(\sqrt{43}\times\sqrt{43})$ surface reconstruction for which we identify a new highly stable structure which conforms with experimental evidence.
Influence of infrared energy on early growth rates of poultry
Creators: name: Ben-Abdallah, Noureddine
Publisher: name: University of British Columbia
Year: 2010

description: The radiosity method of radiant interchange analysis of enclosures was used to predict the intensity and the uniformity of thermal radiation within a controlled environment chamber. The chamber was designed for testing the effects of infrared radiation on young broilers. The walls of the chamber were assumed to be grey and separated by a radiatively non-participating medium. Also the black globe thermometer method was used to calculate the incident radiation at different locations in the chamber. Then, the results obtained by the two mentioned methods, were compared. Two separate experiments were designed for different purposes. The first experiment was to study the influence of infrared radiation on poultry. In this experiment, two levels of radiation were tested and the results were compared to those obtained by use of a conventional heat lamp brooding system. The second experiment was to compare a controlled temperature, warm air brooding system, to a conventional heat lamp brooding system. The relative effects in both sets of experiments were measured by use of the weekly growth rate index.
Realization of a High Mobility Dual-gated Graphene Field Effect Transistor with Al2O3 Dielectric
Creators: name: Kim, Seyoung
name: Nah, Junghyo
name: Jo, Insun
name: Shahrjerdi, Davood
name: Colombo, Luigi
name: Yao, Zhen
name: Tutuc, Emanuel
name: Banerjee, Sanjay K.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We fabricate and characterize dual-gated graphene field-effect transistors (FETs) using Al2O3 as top-gate dielectric. We use a thin Al film as a nucleation layer to enable the atomic layer deposition of Al2O3. Our devices show mobility values of over 8,000 cm2/Vs at room temperature, a finding which indicates that the top-gate stack does not significantly increase the carrier scattering, and consequently degrade the device characteristics. We propose a device model to fit the experimental data using a single mobility value.
description: 3 pages, 3 figures; to appear in Appl. Phys. Lett
On the sum of superoptimal singular values
Creators: name: Condori, Alberto A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 47B35 (Primary); 46E40, 47L20 (Secondary)

description: We discuss the following extremal problem and its relevance to the sum of the so-called superoptimal singular values of a matrix function: Given an $m\times n$ matrix function $Φ$ on the unit circle $\mathbb{T}$, when is there a matrix function $Ψ_{*}$ in the set $A_{k}^{n,m}$ such that \int_{\mathbb{T}}{\rm trace}(Φ(ζ)Ψ_{*}(ζ))dm(ζ)=\sup_{Ψ\in A_{k}^{n,m}}|\int_{\mathbb{T}}{\rm trace}(Φ(ζ)Ψ(ζ))dm(ζ)|? The set $A_{k}^{n,m}$ is defined by A_{k}^{n,m}={Ψ\in H_{0}^{1}: \|Ψ\|_{L^{1}}\leq 1, {\rm rank}Ψ(ζ)\leq k{a.e.}ζ\in T}. We introduce Hankel-type operators on spaces of matrix functions and prove that this problem has a solution if and only if the corresponding Hankel-type operator has a maximizing vector. We also characterize the smallest number $k$ for which \int_{\mathbb{T}}{\rm trace}(Φ(ζ)Ψ(ζ))dm(ζ) equals the sum of all the superoptimal singular values of an admissible matrix function $Φ$ for some $Ψ\in A_{k}^{n,m}$. Moreover, we provide a representation of any such function $Ψ$ when $Φ$ is an admissible very badly approximable unitary-valued $n\times n$ matrix function.
description: 24 pages