cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Analysis of legacy and VGOS Intensives at IVS AC DGFI-TUM
Creators: name: Glomsda, Matthias
name: Seitz, Manuela
name: Angermann, Detlef
Publisher: name: Zenodo
Year: 2024

description: Since 2008, DGFI-TUM is an operational Analysis Center (AC) of the International VLBI Service for Geodesy and Astrometry (IVS). We are submitting datum-free normal equations for the rapid turnaround sessions (R1/R4) to the IVS Combination Center on a weekly basis, and provide the same type of data for all other 24h sessions at less regular time intervals. Recently, we set up an automated process to analyse the VLBI intensive sessions, which are performed to determine the DUT1 parameter on a daily basis. The intensives have a duration of only 1h and mostly consist of a single East-West baseline. Thus, their latency is much lower compared to the R1/R4 sessions. With the establishment of the next generation VLBI global observing system (VGOS), two intensive sessions with different observation modes are available per day. At DGFI-TUM, we analyse the main intensive series of both observation modes, i.e., IVS-INT-1 and IVS-INT-2 of the legacy system, and the respective IVS-INT-A and IVS-INT-B of the VGOS. In this presentation, we take a look at the distinct intensive series, describe our analysis setup, and compare the corresponding DUT1 results for the various baselines and observation modes. Furthermore, we check our intensive DUT1 values and their formal errors against those obtained from the 24h sessions, against those of other ACs, and against combined inter-technique DUT1 series. In the end, we desire DGFI-TUM’s intensive session normal equations to become part of various intra- and inter-technique DUT1 combinations.
Adaptive Constraint Solving for Information Flow Analysis
Creators: name: Dash, Santanu Kumar
Publisher: name: UH Research Archive
Year: 2015
Subjects: information flow analysis
type theory
computational complexity
graph theory
lattice-based security
graph decomposition
least upper bond
label polymorphism

description: In program analysis, unknown properties for terms are typically represented symbolically as variables. Bound constraints on these variables can then specify multiple optimisation goals for computer programs and nd application in areas such as type theory, security, alias analysis and resource reasoning. Resolution of bound constraints is a problem steeped in graph theory; interdependencies between the variables is represented as a constraint graph. Additionally, constants are introduced into the system as concrete bounds over these variables and constants themselves are ordered over a lattice which is, once again, represented as a graph. Despite graph algorithms being central to bound constraint solving, most approaches to program optimisation that use bound constraint solving have treated their graph theoretic foundations as a black box. Little has been done to investigate the computational costs or design e cient graph algorithms for constraint resolution. Emerging examples of these lattices and bound constraint graphs, particularly from the domain of language-based security, are showing that these graphs and lattices are structurally diverse and could be arbitrarily large. Therefore, there is a pressing need to investigate the graph theoretic foundations of bound constraint solving. In this thesis, we investigate the computational costs of bound constraint solving from a graph theoretic perspective for Information Flow Analysis (IFA); IFA is a sub- eld of language-based security which veri es whether con dentiality and integrity of classified information is preserved as it is manipulated by a program. We present a novel framework based on graph decomposition for solving the (atomic) bound constraint problem for IFA. Our approach enables us to abstract away from connections between individual vertices to those between sets of vertices in both the constraint graph and an accompanying security lattice which defines ordering over constants. Thereby, we are able to achieve significant speedups compared to state-of-the-art graph algorithms applied to bound constraint solving. More importantly, our algorithms are highly adaptive in nature and seamlessly adapt to the structure of the constraint graph and the lattice. The computational costs of our approach is a function of the latent scope of decomposition in the constraint graph and the lattice; therefore, we enjoy the fastest runtime for every point in the structure-spectrum of these graphs and lattices. While the techniques in this dissertation are developed with IFA in mind, they can be extended to other application of the bound constraints problem, such as type inference and program analysis frameworks which use annotated type systems, where constants are ordered over a lattice.
The Investigation of Code-Switching in a Computerised Corpus of Child Bilingual Language
Creators: name: Lonngren Sampaio, Catherine Anne
Publisher: name: UH Research Archive
Year: 2015
Subjects: code-switching
bilingual
child language
CHILDES
CLAN
CHAT
corpus linguistics
quantitative
language measures
vocabulary diversity

description: This dissertation describes the investigation of codeswitching in a computerised corpus of child bilingual language, the LOBILL Corpus, which consists of twenty-five hours of recordings of naturalistic interactions between two bilingual Brazilian/English siblings (JAM, 3;6 and MEG, 5;10) and their family members. Collected over three years, the data was transcribed and coded using the CHAT (Codes for the Human Analysis of Transcripts) transcription system developed by MacWhinney and colleagues (MacWhinney, 1991). In addition to standard CHAT coding, language codes were inserted throughout the corpus and a specially developed postcode was added to all bilingual utterances. Addressee information for each utterance was also included. The longitudinal and heterogenous nature of the corpus and its specific coding allowed for the comprehensive investigation of the children's code-switching practices from both grammatical and pragmatic perspectives. Three levels of analyses were performed using the CLAN (Computerized Language ANalysis) software (ibid). First, quantitative analyses were carried out using the commands FREQ (which outputs frequency word lists), VOCD (which outputs vocabulary diversity scores) and WDLEN (which outputs mean word and utterance lengths). An analysis of the results pointed to the existence of relationships between the various values found and the participatory roles of English and Portuguese in code-switched utterances. The second level of analysis involved the examination and interpretation of word lists and code lists produced by the use of FREQ. Using Myers-Scotton's 4-Morpheme Model (4-M Model) (Jake & Myers-Scotton, 2009) to interpret the word lists, comparisons of morpheme types revealed the existence of an asymmetry in terms of the contributions of both languages to bilingual utterances. These results were seen to lend support to the Matrix Language/Embedded Language asymmetry proposed in the Matrix Frame Language Model (MFL Model) (ibid). The quantitative analysis of four types of codes (used to code instances of retracings and reformulations, errors, tag questions and metalinguistic usage) provided evidence for the existence of potential relationships between these features of spoken discourse and code-switching.
Delivering Drug Treatment to New Minority Communities: Fresh Perspectives
Creators: name: Mills, Karen
Publisher: name: UH Research Archive
Year: 2017
Subjects: Drugs
Migration
Intersectionality
Refugee
Drug policy
Discrimination
Minority
Community
Drug treatment
Strengths

description: This thesis addresses the confluence of the issues of drug use and migration. Using data that explores the needs of new communities, it argues that members of new minority communities who use drugs suffer double discrimination as migrants and as drug users. In failing to address this intersection of need, drug policy and practice compound this discrimination. The data for this submission was drawn from three empirical research projects undertaken for Peterborough Drug Action Team and the National Treatment Agency for Substance Misuse. These research projects addressed previously unreached communities and gathered new data. I published my work among peer-reviewed literature in the form of two journal articles and a book chapter. The research reports and published works inform my thesis. This submission reanalyses the research, using an intersectional lens to understand problems emanating from drug use in the context of migration. Black and minority ethnic people form a small proportion of problem drug users and their needs were under-researched until the late 1990s. A growing body of research has focused on established minority communities, while the drug treatment needs of members of new groups of migrants, whether economic migrants or refugees, remain hidden. My research addresses the impact of policy and practice on new communities. Engaging with members of hard-to-reach groups via community-based researchers, I gathered views about the attitudes and needs of new minority groups and developed a fresh perspective. My work demonstrates that while drug misusers suffer very real discrimination and stigma they also have strengths that could be assets for their recovery. I offer an analysis of the reasons why these strengths are underutilised by a policy agenda that perceives drug misuse as the main feature of the lives of service users in new minority communities. This perception dates back to the first phase of modern drug policy. During the 1980s drug use spread throughout the country, driven by the availability of cheap heroin. The demography of drug users shifted towards white, younger unemployed men and the drugs/crime nexus became the focus of attention. This determined policy development. The context and profile of drug use has changed since 1980; however the decisions of the past affect those taken in the present, and I argue that policy continues to view other issues in individuals’ lives as subsidiary to drug use and its treatment. My work has had an impact in practice and in the academic literature and presents significant new knowledge. In order to respond effectively to drug use in new minority communities, policy and practice must employ an intersectional viewpoint, sharing power and developing coalitions of interest.
Table S1 from Glacial survival of trophically linked boreal species in northern Europe
Creators: name: Quinzin, Maud C.
name: Normand, Signe
name: Dellicour, Simon
name: Jens-Christian Svenning
name: Mardulyn, Patrick
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences

description: Genetic diversity measures per main geographic region and further detailed sampled localities of G. intermedia in each region along their geographic coordinates and haplotype frequencies information per locality.
Table S3 from Glacial survival of trophically linked boreal species in northern Europe
Creators: name: Quinzin, Maud C.
name: Normand, Signe
name: Dellicour, Simon
name: Jens-Christian Svenning
name: Mardulyn, Patrick
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences

description: Statistical results from the test against genetic variation data of the 12 historical scenarios modeled within the geographically explicit framework conducted with PhyloGeoSim
Additional file 1 of Towards robust and replicable sex differences in the intrinsic brain function of autism
Creators: name: Floris, Dorothea L.
name: Filho, José O. A.
name: Lai, Meng-Chuan
name: Giavasis, Steve
name: Oldehinkel, Marianne
name: Mennes, Maarten
name: Charman, Tony
name: Tillmann, Julian
name: Dumas, Guillaume
name: Ecker, Christine
name: Dell’Acqua, Flavio
name: Banaschewski, Tobias
name: Moessnang, Carolin
name: Baron-Cohen, Simon
name: Durston, Sarah
name: Loth, Eva
name: Murphy, Declan G. M.
name: Buitelaar, Jan K.
name: Beckmann, Christian F.
name: Milham, Michael P.
name: Di Martino, Adriana
Publisher: name: figshare
Year: 2021
Subjects: Biochemistry
Neuroscience
Biological Sciences not elsewhere classified
Mental Health

description: Additional file 1. Contains the supplementary method text, supplementary tables S1-S6 and supplementary figures S1-S4.
The Growth and Morphology of Small Ice Crystals in a Diffusion Chamber
Creators: name: Ritter, Georg
Publisher: name: UH Research Archive
Year: 2015
Subjects: atmospheric ice
ice morphology
cirrus clouds
cold clouds
sem
diffusion chamber
ice growth
ice sublimation
ice roughness
wigner flow

description: Small water ice crystals are the main component of cold tropospheric clouds such as cirrus. Because these clouds cover large areas of our planet, their role in the radiation budget of incoming and outgoing radiation to the planet’s surface is important. At present, the representation of these clouds in climate and weather models is subject to improvements: a large part of the uncertainty error stems from the lack of precise micro-physical and radiation model schemes for ice crystal clouds. To improve the cloud representations, a better understanding of the life time dynamics of the clouds and their composition is necessary, comprising a detailed understanding of the ice particle genesis, and development over their lifetime. It is especially important to understand how the development of ice crystals over time is linked to the changes in observable variables such as water vapour content and temperature and how they change the light scattering properties of the crystals. Recent remote and aircraft based in-situ measurements have shown that many ice particles show a light scattering behaviour typical for crystals having rough surfaces or being of complex geometrical shapes. The aim of this thesis was to develop the experimental setup and experiments to investigate this further by studying the surface morphology of small water ice crystals using scanning electron microscopy (SEM). The experiments I developed study the growth of water ice crystals inside an SEM chamber under controlled environmental conditions. The influence of water vapour supersaturation, pressure and temperature is investigated. I demonstrate how to retrieve the surface topology from observed crystals for use as input to computational light scattering codes to derive light scattering phase functions and asymmetry parameters, which can be used as input into atmospheric models. Difficulties with the method for studying the growth of water ice crystals, such as the effect of the electron beam-gas ionization and charging effects, the problem of facilitating repeated and localized ice growth, and the effect of radiative influences on the crystal growth are discussed. A broad set of nucleation target materials is studied. In a conclusion, I demonstrate that the method is suitable to study the surface morphologies, but is experimentally very challenging and many precautions must be taken, such as imaging only once and preventing radiative heat exchange between the chamber walls and the crystals to avoid unwanted effects on the crystal morphology. It is also left as a question if a laboratory experiment, where crystals will need to be grown in connection to a substrate, can represent the real world well enough. Deriving the required light scattering data in-situ might be an alternative, easier way to collect data for modelling use.
Supplementary Material for The Weierstrassian movement patterns of snails by Reynolds et al.
Creators: name: Reynolds, Andy
name: Santini, Giacomo
name: Chelazzi, Guido
name: Focardi, Stefano
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: 60801 Animal Behaviour

description: THIS SUPPLEMENT HAS 5 SECTIONS DETAILING DATA ANALYSIS AND A THEORETICAL MODEL. 1. ROBUSTNESS OF MODEL DISTRIBUTION FITTING. 2. MULTI-PHASIC WALKS HAVE WHITE NOISE SPECTRUM.3. FURTHER TEST FOR THE PRESENCE OF CHAOS. 4. AUTOCORRELATION. 5. WEIERSTRASSIAN LÉVY WALKS IN CHAOTIC SYSTEMS.
Contrasting Debates and Perspectives from Second and Third Wave Feminists in Britain: Class, Work and Activism
Creators: name: German, Lindsey
Publisher: name: UH Research Archive
Year: 2015
Subjects: women
class
feminism
socialism
race
intersectionality
patriarchy
second wave
third wave

description: The dissertation rests firstly on the author’s previously published work (German, 1989; German, 2007; German, 2013) which attempted to analyse the position of women in British society in terms of their relationship to class, work and oppression; and secondly on original research in the form of interviews with a number of Second Wave and Third Wave feminists, which aimed to elicit their responses to a variety of questions in relation to class, women’s role at work, and feminist activism. The aim is to contrast the expectations and influences of the different generations of feminists in order to understand what has motivated them and what issues continued to be important for them. The research investigates differences between the two groups of women, considering the extent to which this reflects the different economic and social circumstances in which they were shaped politically. It argues that there is a strong ideological commitment to women’s equality across the different age groups, itself based on the inability of successive generations to achieve full equality, but that there are considerable differences of approach to activism and campaigning priorities, as well as to some theoretical questions. It considers the extent to which the Third Wave reflects a fragmentation from Second Wave approaches. It argues that the continued centrality of class in understanding women’s oppression and other forms of oppression is related to the discrepancy between the expectations of oppressed groups for equality and capitalism’s structural inability to deliver such equality.
Driving and Inhibiting Factors in the Adoption of Open Source Software in Organisations
Creators: name: Greenley, Neil
Publisher: name: UH Research Archive
Year: 2015
Subjects: adoption
usage
information technology governance
driving factors
inhibiting factors
theory of planned behaviour
force field analysis
open source software
organisations
pragmatism
mixed methods
fisher exact test
non-parametric

description: The aim of this research is to investigate the extent to which Open Source Software (OSS) adoption behaviour can empirically be shown to be governed by a set of self-reported (driving and inhibiting) salient beliefs of key informants in a sample of organisations. Traditional IS adoption/usage theory, methodology and practice are drawn on. These are then augmented with theoretical constructs derived from IT governance and organisational diagnostics to propose an artefact that aids the understanding of organisational OSS adoption behaviour, stimulates debate and aids operational management interventions. For this research, a combination of quantitative methods (via Fisher’s Exact Test) and complimentary qualitative method (via Content Analysis) were used using self-selection sampling techniques. In addition, a combination of data and methods were used to establish a set of mixed-methods results (or meta-inferences). From a dataset of 32 completed questionnaires in the pilot study, and 45 in the main study, a relatively parsimonious set of statistically significant driving and inhibiting factors were successfully established (ranging from 95% to 99.5% confidence levels) for a variety for organisational OSS adoption behaviours (i.e. by year, by software category and by stage of adoption). In addition, in terms of mixed-methods, combined quantitative and qualitative data yielded a number of factors limited to a relatively small number of organisational OSS adoption behaviour. The findings of this research are that a relatively small set of driving and inhibiting salient beliefs (e.g. Security, Perpetuity, Unsustainable Business Model, Second Best Perception, Colleagues in IT Dept., Ease of Implementation and Organisation is an Active User) have proven very accurate in predicting certain organisational OSS adoption behaviour (e.g. self-reported Intention to Adopt OSS in 2014) via Binomial Logistic Regression Analysis.
Open Educational Resources in der Rechtswissenschaft
Creators: name: Eisentraut, Nikolas
Publisher: name: Freie Universität Berlin
Year: 2018
Subjects: subject: Open Access
subject: Open Educational Resources
subject: Rechtswissenschaft
subject: Jura
subject: 300 Sozialwissenschaften::340 Recht::340 Recht

description: Während der freie Zugang zu Forschungsliteratur unter dem Stichwort Open Access immer öfter auch in der Rechtswissenschaft thematisiert wird, spielen freie Lehr- und Lernmaterialien (sog. Open Educational Resources) in der Debatte nur eine untergeordnete Rolle. Dabei kann neben der Forschung auch die Lehre einen zentralen Beitrag für die Öffnung der Wissenschaft leisten.
Additional file 2 of Towards robust and replicable sex differences in the intrinsic brain function of autism
Creators: name: Floris, Dorothea L.
name: Filho, José O. A.
name: Lai, Meng-Chuan
name: Giavasis, Steve
name: Oldehinkel, Marianne
name: Mennes, Maarten
name: Charman, Tony
name: Tillmann, Julian
name: Dumas, Guillaume
name: Ecker, Christine
name: Dell’Acqua, Flavio
name: Banaschewski, Tobias
name: Moessnang, Carolin
name: Baron-Cohen, Simon
name: Durston, Sarah
name: Loth, Eva
name: Murphy, Declan G. M.
name: Buitelaar, Jan K.
name: Beckmann, Christian F.
name: Milham, Michael P.
name: Di Martino, Adriana
Publisher: name: figshare
Year: 2021
Subjects: Biochemistry
Neuroscience
Biological Sciences not elsewhere classified
Mental Health

description: Additional file 2. Stability of main effects of diagnosis and sex.
Effects of selected dietary constituents on high-sensitivity C-reactive protein levels in U.S. adults
Creators: name: Mazidi, Mohsen
name: Kengne, Andre Pascal
name: Mikhailidis, Dimitri P.
name: Cicero, Arrigo F.
name: Banach, Maciej
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biochemistry
subject: Medicine
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Background and aim: Growing evidence suggests that some of the effects of diet on cardiovascular disease (CVD) occur through mechanisms involving subclinical inflammation. We assessed the relationship between selected dietary constituents and serum high-sensitivity C-reactive protein (hsCRP) concentration in a population-based sample of United States adults. Methods: In this cross-sectional analysis, participants were selected from the US National Health and Nutrition Examination Survey (NHANES) and restricted to those with available data on dietary intake, biochemical and anthropometric measurements from 2001 to 2010. All statistical analyses accounted for the survey design and sample weights by using SPSS Complex Samples v22.0 (IBM Corp, Armonk, NY). Results: Of the 17,689 participants analysed, 8607 (48.3%) were men. The mean age was 45.8 years in the overall sample, 44.9 in men and 46.5 in women (p = .047). The age-, race-, sex-, energy intake- and body mass index-adjusted mean dietary intakes of total dietary fibre, polyunsaturated fatty-acids, vitamin E, vitamin A, vitamin B6, total folate, vitamin B family, vitamin C, vitamin K, magnesium, iron, copper and potassium monotonically decreased across increasing hsCRP quarters (p p p Conclusions: This study provides further evidence of an association between dietary sugar, polyunsaturated fatty-acids, fibre and antioxidant intake and hsCRP levels, a subclinical inflammation marker. hsCRP concentrations are likely modulated by dietary intake.KEY MESSAGESSerum high-sensitivity C-reactive protein (hsCRP) concentration is positively associated with sugar intake, and negatively with the consumption of minerals, vitamins and polyunsaturated fatty-acids (fruit and vegetables).hsCRP concentrations, and accordingly subclinical inflammation, are likely influenced by dietary intake. Serum high-sensitivity C-reactive protein (hsCRP) concentration is positively associated with sugar intake, and negatively with the consumption of minerals, vitamins and polyunsaturated fatty-acids (fruit and vegetables). hsCRP concentrations, and accordingly subclinical inflammation, are likely influenced by dietary intake.
Evaluating the effect of data-driven learning (DDL) on the acquisition of academic collocations by Chinese learners of English
Creators: name: Liu, Tanjun
Publisher: name: Lancaster University
Year: 2020
Subjects: Data-driven learning (DDL)
Collocation
EAP

description: Collocations, prefabricated multi-word combinations, are considered to be a crucial component of language competence which indicates the central role they should play in language teaching and learning (e.g., Nesselhauf, 2005). However, collocations remain a challenge to L2 learners at different proficiency levels, present a particular difficulty to Chinese learners of English (cf. Granger & Bestgen, 2014). Corpora, as a valuable source of reliable information about language, are a potentially useful source of evidence in language pedagogy. The pedagogical applications of corpora can be realised through direct corpus-based data-driven learning (DDL). Although DDL represents an approach that has been argued to offer an effective teaching method for the acquisition of academic collocations and hence may be beneficial to learners (e.g., Nesseulhauf, 2005), a DDL approach has so far not become a mainstream teaching practice and it is mostly conducted through activities based on either hands-on or paper-based concordance line; this highlights the need to explore the effect of using new corpus tools, beyond simple concordancing (Vyatkina & Boulton, 2017). This study, therefore, investigates the effectiveness of DDL by using a new corpus tool, #LancsBox (Brezina, McEnery & Wattam, 2015). This study used data from 100 Chinese students of English from a Chinese university and employed a quasiexperimental method, using a pre-test-and-post-test (including a delayed test) controlgroup research design to compare the achievement of the use of DDL and a corpus- based collocations dictionary with a control group in teaching academic collocations to the Chinese EFL learners. Results showed that the DDL approach was effective in improving Chinese EFL learners’ both receptive and productive knowledge of collocations. Learners’ attitudes indicated that the majority of learners were satisfied with using the DDL approach in collocation learning while writing and believed corpus consultation, particularly by means of the concordances and collocation network, was very useful in collocations learning both receptively and productively. The findings suggested using corpus tool could facilitate learners’ collocations learning. They also contribute to the potential application of corpora and the new corpus tool into mainstream language learning classroom and providing guidance and materials for teachers wishing to implement the method in collocations learning.
Is Wikipedia a Gateway to the Biomedical Information
Creators: name: Maggio, Lauren
Publisher: name: figshare
Year: 2017
Subjects: subject: 80704 Information Retrieval and Web Search
subject: FOS: Media and communications
subject: Library and Information Studies
subject: 89999 Information and Computing Sciences not elsewhere classified
subject: FOS: Computer and information sciences

description: Presentation presented at WikiCite2017 in Vienna, Austria May 23, 2017 by Lauren Maggio in collaboration with Joe Wass, Jake Orlowitz, Daniel Mietchen, Ryan Steinberg, Ting Dong, and John WIllinsky.
Additional file 3 of Towards robust and replicable sex differences in the intrinsic brain function of autism
Creators: name: Floris, Dorothea L.
name: Filho, José O. A.
name: Lai, Meng-Chuan
name: Giavasis, Steve
name: Oldehinkel, Marianne
name: Mennes, Maarten
name: Charman, Tony
name: Tillmann, Julian
name: Dumas, Guillaume
name: Ecker, Christine
name: Dell’Acqua, Flavio
name: Banaschewski, Tobias
name: Moessnang, Carolin
name: Baron-Cohen, Simon
name: Durston, Sarah
name: Loth, Eva
name: Murphy, Declan G. M.
name: Buitelaar, Jan K.
name: Beckmann, Christian F.
name: Milham, Michael P.
name: Di Martino, Adriana
Publisher: name: figshare
Year: 2021
Subjects: Biochemistry
Neuroscience
Biological Sciences not elsewhere classified
Mental Health

description: Additional file 3. Robustness and replicability of main effects of diagnosis and sex.
Characterisation of Low Velocity Impact Response in Composite Laminates
Creators: name: Shen, Zeng
Publisher: name: UH Research Archive
Year: 2015
Subjects: composite laminates
low velocity impact
damage mechanism

description: A major concern affecting the efficient use of composite laminates in aerospace industry is the lack of understanding of the effect of low-velocity impact (LVI) damage on the structural integrity. This project aims to develop further knowledge of the response and damage mechanisms of composite laminates under LVI, and to explore the feasibility of assessing the internal impact damage with a visually inspectable parameter. The response and damage mechanisms of composite laminates under LVI have been investigated experimentally and numerically in this project. Various parameters including the laminates thickness, lay-up configuration, repeated impact, and curing temperature have been examined. The concept and the phenomena of delamination threshold load (DTL) have been assessed in details. It was found that DTL exists for composite laminates, but the determination of the DTL value is not straightforward. There is a suitable value of range between the impact energy and the laminates stiffness/thickness, if the sudden load drop phenomenon in the impact force history is used to detect the DTL value. It is suggested that the potential menace of the delamination initiation may be overestimated. The composite laminates tested in this project demonstrate good damage tolerance capacity due to the additional energy absorption mechanism following the delamination initiation. As a result, the current design philosophy for laminated composite structure might be too conservative and should be reassessed to improve the efficiency further. To explore the feasibility of linking the internal damage to a visually inspectable parameter, quasi-static indentation (QSI) tests have been carried out. The dent depth, as a visually inspectable parameter, has been carefully monitored and assessed in relation to the damage status of the composite laminates. It is proposed that the damage process of composite laminates can be divided into different phases based on the difference in the increasing rate of dent depth. Moreover, the internal damage has been examined under the optical microscope (OM) and the scanning electron microscope (SEM). Residual compressive strength of the damaged specimen has been measured using the compression-after-impact (CAI) test. The results further confirm the findings with regard to the overestimated potential menace of the delamination initiation and the proposed damage process assumption. The proposed damage process assumption has great potential to improve the efficiency and accuracy of both the analytical prediction and the structural health monitoring for damages in composite laminates under low-velocity impact.
New Cryptanalysis and Modelling for Wireless Networking
Creators: name: Alzaabi, Mohamed Abdulla Hasan Saif
Publisher: name: UH Research Archive
Year: 2016
Subjects: 4G security
5G security
RSA
ZRSA
Z Algorithm
WiMAX Security
LTE Security
DoS attacks
Encryption
Decryption
NetSecSim
Network Security Simulator

description: High data rates and interoperability of vender devices have made WiMAX a prime desire for use worldwide. WiMAX is based on the IEEE 802.16 standard. IEEE 802.16a, b, c & d versions were updated within three years of the first launch of WiMAX. However, during those early years reports were published that highlighted the security weaknesses of the standard. These weaknesses prompted the IEEE to issue a new version, 802.16e to tackle the security issues. Despite this security enhancement, WiMAX remains vulnerable. This research project looks at the vulnerability of WiMAX 802.16e Subscriber Station/Mobile Station authentication at the initial entry and proposes approaches to the prevention of Denial of Service (DoS) attacks at this point in order to secure the Media Access Control (MAC) layer from such threats. A new protocol has been designed and developed to provide confidentiality, authentication and integrity to WiMAX users. This new protocol is integrated with Z algorithm (an algorithm described later in this paper) to provide:  Confidentiality of management messages  Message Authentication code  ID to provide for message integrity and user authentication. A simulation package was also required, to prove that a linear load of DoS attack would disable or exhaust the capacity of the base station of a WiMAX network, as well as providing other simulation functions. The freely available simulation tool NIST (NIST IPSec (Internet Protocol Security) and IKE (Internet Key Exchange) Simulation) is oriented towards fixed network communications (NIIST, 2003). There are no other relevant simulation tools; hence the purpose of this research project is to develop a new tool to simulate WiMAX security vulnerabilities and test the new protocol.
Additional file 3 of Geographical variation and clustering are found in atrial fibrillation beyond socioeconomic differences: a Danish cohort study, 1987–2015
Creators: name: Wodschow, Kirstine
name: Bihrmann, Kristine
name: Larsen, Mogens Lytken
name: Gislason, Gunnar
name: Ersbøll, Annette Kjær
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Environmental Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Computational Biology

description: Additional file 3. Origin of register data and overview of cohorts and analyses used in the study.
Extemporaneously preparative biodegradable injectable polymer systems exhibiting temperature-responsive irreversible gelation
Creators: name: Yoshida, Yasuyuki
name: Takata, Kazuyuki
name: Takai, Hiroki
name: Kawahara, Keisuke
name: Kuzuya, Akinori
name: Ohya, Yuichi
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biophysics
subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Cardiology

description: On clinical application of biodegradable injectable polymer (IP) systems, quick extemporaneous preparation of IP formulations and longer duration time gel state after injection into the body are the important targets to be developed. Previously, we had reported temperature-responsive covalent gelation systems via bio-orthogonal thiol-ene reaction by ‘mixing strategy’ of amphiphilic biodegradable tri-block copolymer (tri-PCG) attaching acryloyl groups on both termini (tri-PCG-Acryl) with reactive polythiol. In other previous works, we found ‘freeze-dry with PEG/dispersion’ method as quick extemporaneous preparation method of biodegradable IP formulations. In this study, we applied this quick preparative method to the temperature-triggered covalent gelation system. The instant formulation (D-sample) could be prepared by ‘freeze-dry with PEG/dispersion’ just mixing of tri-PCG-Acryl micelle dispersion and tri-PCG/DPMP micelle dispersion with PEG, that can be prepared in 30 s from the dried samples. The obtained D-sample showed irreversible gelation and long duration time of gel state, which was basically the same as the formulations prepared by the usual heating dissolution method (S-sample). Interestingly, the D-sample could maintain its sol state for a longer time (24 h) after preparing the formulation at r.t. compared with the S-sample, which became a gel in 3 h after preparing. The IP system showed good biocompatibility and long duration time of the gel state after subcutaneous implantation. These characteristics of D-samples, quick extemporaneous preparation and high stability in the sol state before injection, would be very convenient in a clinical setting.
Additional file 4 of Geographical variation and clustering are found in atrial fibrillation beyond socioeconomic differences: a Danish cohort study, 1987–2015
Creators: name: Wodschow, Kirstine
name: Bihrmann, Kristine
name: Larsen, Mogens Lytken
name: Gislason, Gunnar
name: Ersbøll, Annette Kjær
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Environmental Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Computational Biology

description: Additional file 4. Detected clusters of high-risk atrial fibrillation stratified by age and for four different search windows from the scan statistics analysis.
Types and Contributing Factors of Dispensing Errors in Hospital Pharmacies
Creators: name: Aldhwaihi, Khaled Abdulrahman A
Publisher: name: UH Research Archive
Year: 2016
Subjects: dispensing errors
medication errors
hospital pharmacy
patient safety
contributing factors

description: Background: Dispensing medication is a chain of multiple stages, and any error during the dispensing process may cause potential or actual risk for the patient. Few research studies have investigated the nature and contributory factors associated with dispensing errors in hospital pharmacies. Aim: To determine the nature and severity of dispensing errors reported in the hospital pharmacies at King Saud Medical City (KSMC) hospital in Saudi Arabia, and at Luton and Dunstable University Hospital (L&D) NHS Foundation Trust in the UK; and to explore the pharmacy staff perceptions of contributory factors to dispensing errors and strategies to reduce these errors. Materials and Methods: A mixed method approach was used and encompassed two phases. Phase I: A retrospective review of dispensing error reports for an 18-month period at the two hospitals. The potential clinical significance of unprevented dispensing errors was assessed. Data was analysed using descriptive statistics in SPSS and A Fisher’s test was used to compare the findings. Phase II: Self-administered qualitative questionnaires (open-ended questions) were distributed to the dispensary teams in KSMC and L&D hospitals. Content analysis was applied to the qualitative data using NVivo qualitative analysis software. Result: Dispensing the wrong medicine or the incorrect strength were the most common dispensing error types in both hospitals. Labelling errors were also common at the L&D pharmacy dispensary. The majority of the unprevented dispensing errors were assessed to have minor or moderate potential harm to patients. Look-alike/sound-alike medicines, high workload, lack of staff experience, fatigue and loss of concentration during work, hurrying through tasks and distraction in the dispensary were the most common contributory factors suggested. Ambiguity of the prescriptions was a specified factor in the L&D pharmacy, while poor pharmacy design and unstructured dispensing process were specified contributory factors in the KSMC pharmacy. Conclusions: Decreasing distractions and enhancing the pharmacy design and the dispensing workflow are necessary to reduce dispensing errors. Furthermore, monitoring and reporting errors and educating the dispensary team about these errors is also needed. Automation and e-prescribing systems may improve dispensing efficiency and safety. The findings of this study reemphasise the fact that dispensing errors are prevalent in hospital pharmacies. Efficient interventions need to be implemented to mitigate these errors.
An Exploration of Mentoring Within Ultrasound Clinical Practice
Creators: name: Brown, Naomi Ann
Publisher: name: UH Research Archive
Year: 2018
Subjects: Mentoring
Ultrasound
Clinical practice
Expectations
Relationship
Boundaries

description: This study aimed to investigate the factors that affect the mentoring of ultrasound students during the clinical element of their postgraduate programme of study. Specific focus was placed on guidelines and support mechanisms that may be shown to be effective in helping colleagues and students in mentoring practice along with considering the factors that may influence the relationship between the mentors and students. An investigation was undertaken to explore the mentoring and supervision practices in current use. This led to an in-depth study of the attitudes and opinions of students and mentors in relation to mentoring practice. A mixed methods approach was utilised. Questionnaires were distributed to mentors, and students were invited to attend semi-structured interviews. A thematic approach to analysis gave rise to three main themes: the blurring of role boundaries, a difference in expectations and the importance of the relationship between student and mentor. An attitude rating score was performed on the student interview data: when compared to the mentor findings, it was surmised that where the student and the mentor showed empathy regarding each other’s role and expectations, the student displayed a more positive attitude towards mentoring. Conversely, where the student and the mentor had little empathy, the student displayed a more negative attitude towards mentoring. This identified that there is importance in understanding each other’s perspective and expectations, in order to lead to an effective mentoring experience and therefore develop a more positive attitude towards mentoring. The key concepts that arose were that of the intertwining of support, training and supervision encompassed within the mentoring role. The study findings facilitated development of increased support mechanisms and formative assessment for students, along with updated guidelines and training for mentors.
Adapting to Organisational Culture: a Staged Adaptation Model
Creators: name: Douglas, Claire
Publisher: name: UH Research Archive
Year: 2018
Subjects: Adapting
Organisational Culture
Model
Staged Model of Adaptation

description: In today’s fast paced world, a job for life is a concept from the past. As individuals frequently move from one organisation to another, so they move from one organisational culture to another. Change is a constant and as the pace of change increases the ability of individuals to adapt is more essential than ever. This ethnographic research was prompted by observation of clinical phenomena, which led the researcher to question whether a mismatch in expectations regarding the culture of an organisation might be a cause of stress in newcomers. A pilot study was undertaken in order to make sense of the phenomena and led to a larger scale longitudinal study, carried out over a period of four years within a global technology firm. The research examines qualitatively distinct, stages of adaptation that individuals experience when entering a new organisation, with regards specifically to the culture of the organisation. The longitudinal study involved a number of methods including participant observation, interviews and focus groups. The interviews, held with thirty participants and undertaken at three monthly intervals and field notes from participant observation, resulted in a substantial amount of qualitative data. This was analysed through thematic analysis. The resulting findings enabled the researcher to design a staged adaptation model, which identifies the stages of adaptation to organisational culture from pre entry to assimilation. The model was tested for validity and transferability through the use of focus groups. A sense of belonging was found to be critical in adaptation to organisational culture. This study contributes to knowledge regarding organizational culture in bringing it together with adaptation and adding to research with regards to Socialisation, Psychological Contract formation and Organizational Culture.
The multi-wavelength properties of galaxies embedded in the Cosmic Web
Creators: name: DANE KLEINER
Publisher: name: Monash University
Year: 2017
Subjects: subject: Astrophysics
subject: Extragalactic Astronomy
subject: 20103 Cosmology and Extragalactic Astronomy
subject: FOS: Physical sciences

description: We use observations of galaxies to test if the underlying structure of the Universe drives their evolution. After defining the cosmic web in the nearby Universe, we measure the emission from the stars and gas contained in the galaxies. We find that galaxies in the cosmic web contain additional gas than other galaxies and an external mechanism is required to trigger the gas to collapse and form stars. These findings should be considered when explaining the evolution of galaxies over cosmic time.
Experimental and Computational Investigation into Light Scattering by Atmospheric Ice Crystals
Creators: name: Collier, Christopher Thomas
Publisher: name: UH Research Archive
Year: 2015
Subjects: light scattering
ice crystal
rough surface
ice analogue
Gaussian roughness
cirrus
ADDA
RTDF
SID3
phase function
degree of linear polarisation
asymmetry parameter
microfabrication
atomic force microscopy

description: An investigation was carried out into light scattering by Gaussian rough ice crystals. Gaussian rough crystal geometries were generated using roughness parameters derived from mineral dust grains, which have been reported to be suitable proxies for rough ice crystals. Light scattering data for these geometries was computed using the discrete dipole approximation (DDA) method. Phase functions, 2D scattering patterns, degree of linear polarisation patterns and asymmetry parameters were computed for smooth, moderately rough and highly rough crystals with a variety of orientations and size parameters. A sodium fluorosilicate ice analogue crystal with three partially roughened prism facets was created using focused ion beam (FIB) milling and 2D scattering patterns were collected from it using the small ice detector (SID) 3 cloud probe. It was found that roughness reduces features in the phase function compared to scattering by smooth hexagonal prisms, particularly when the roughness features were horizontally much larger than the wavelength. However, the most effective roughness model also takes account of horizontal features whose size is closer to that of the wavelength. Horizontal features smaller than the wavelength have very little effect.
Additional file 5 of Geographical variation and clustering are found in atrial fibrillation beyond socioeconomic differences: a Danish cohort study, 1987–2015
Creators: name: Wodschow, Kirstine
name: Bihrmann, Kristine
name: Larsen, Mogens Lytken
name: Gislason, Gunnar
name: Ersbøll, Annette Kjær
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Environmental Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Computational Biology

description: Additional file 5. Sensitivity analysis and supplementary analyses.