cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Hormonal Modulation of Developmental Plasticity in an Epigenetic Robot
Creators: name: Lones, John
Publisher: name: UH Research Archive
Year: 2017
Subjects: Epigenentic
Autonomous robot
Hormone
Developmental Plasticity
Developmental robotics
Neural Networks

description: In autonomous robotics, there is still a trend to develop and tune controllers with highly explicit goals and environments in mind. However, this tuning means that these robotic models often lack the developmental and behavioral flexibility seen in biological organisms. The lack of flexibility in these controllers leaves the robot vulnerable to changes in environmental condition. Whereby any environmental change may lead to the behaviors of the robots becoming unsuitable or even dangerous. In this manuscript we look at a potential biologically plausible mechanism which may be used in robotic controllers in order to allow them to adapt to different environments. This mechanism consists of a hormone driven epigenetic mechanism which regulates a robot’s internal environment in relation to its current environmental conditions. As we will show in our early chapters, this epigenetic mechanism allows an autonomous robot to rapidly adapt to a range of different environmental conditions. This adaption is achieved without the need for any explicit knowledge of the environment. Allowing a single architecture to adapt to a range of challenges and develop unique behaviors. In later chapters however, we find that this mechanism not only allows for regulation of short term behavior, but also long development. Here we show how this system permits a robot to develop in a way that is suitable for its current environment. Further during this developmental process we notice similarities to infant development, along with acquisition of unplanned skills and abilities. The unplanned developments appears to leads to the emergence of unplanned potential cognitive abilities such as object permanence, which we assess using a range of different real world tests.
The best of both worlds: Using automatic detection and limited human supervision to create a homogenous magnetic catalog spanning four solar cycles
Creators: name: Munoz-Jaramillo, A.
name: Werginz, Z. A.
name: Vargas-Acosta, J. P.
name: DeLuca, M. D.
name: Windmueller, J. C.
name: Zhang, J.
name: Longcope, D. W.
name: Lamb, D. A.
name: DeForest, C. E.
name: Vargas-Dominguez, S.
name: Harvey, J. W.
name: Martens, P. C. H.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Bipolar magnetic regions (BMRs) are the cornerstone of solar variability. They are tracers of the large-scale magnetic processes that give rise to the solar cycle, shapers of the solar corona, building blocks of the large-scale solar magnetic field, and significant contributors to the free-energetic budget that gives rise to flares and coronal mass ejections. Surprisingly, no homogeneous catalog of BMRs exists today, in spite of the existence of systematic measurements of the magnetic field since the early 1970's. The purpose of this work is to address this deficiency by creating a homogenous catalog of BMRs from the 1970's until the present. For this purpose, in this paper we discuss the strengths and weaknesses of the automatic and manual detection of BMRs and how both methods can be combined to form the basis of our Bipolar Active Region Detection (BARD) code and its supporting human supervision module. At present, the BARD catalog contains more than 10,000 unique BMRs tracked and characterized during every day of their observation. Here we also discuss our future plans for the creation of an extended multi-scale magnetic catalog combining the SWAMIS and BARD catalogs.
GENIO: Synergizing Edge Computing with Optical Network Infrastructures
Creators: name: Cesarano, Carmine
name: Foggia, Alessio
name: Roscigno, Gianluca
name: Andreani, Luca
name: Natella, Roberto
Publisher: name: arXiv
Year: 2025
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: Edge computing has emerged as a paradigm to bring low-latency and bandwidth-intensive applications close to end-users. However, edge computing platforms still face challenges related to resource constraints, connectivity, and security. We present GENIO, a novel platform that integrates edge computing within existing Passive Optical Network (PON) infrastructures. GENIO enhances central offices with computational and storage resources, enabling telecom operators to leverage their existing PON networks as a distributed edge computing infrastructure. Through simulations, we show the feasibility of GENIO in supporting real-world edge scenarios, and its better performance compared to a traditional edge computing architecture.
description: To appear on IEEE Communications Magazine
ERGA Session at Biodiversity Genomics 2024
Creators: name: Bortoluzzi, Chiara
name: M. Waterhouse, Robert
name: Böhne, Astrid
name: Alioto, Tyler
name: De Panis, Diego
Publisher: name: Zenodo
Year: 2024
Subjects: ERGA
Biodiversity Genomics

description: Recorded talks: https://youtube.com/playlist?list=PL4qmCfIUT9K83NVNjSMVsCAa_vRy2SZ3o&si=x7B6GO2lbbPI9tr2
Non-muscle-invasive bladder cancer: a vision for the future
Creators: name: Per-Uno Malmström
name: Agrawal, Sachin
name: Bläckberg, Mats
name: Boström, Peter J.
name: Malavaud, Bernard
name: Zaak, Dirk
name: Gregers G. Hermann
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Medicine
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer

description: The management of non-muscle-invasive bladder cancer (NMIBC) has evolved from the first reports on bladder endoscopy and transurethral resection to the introduction of adjuvant intravesical treatment. However, disease recurrence and progression remain an ongoing risk, placing a heavy burden on healthcare resources and on patients’ quality of life. Deeper understanding of the molecular basis of the disease and developments in optics, lasers and computer science are already offering opportunities to revolutionize care and improve long-term prognosis. This article discusses developments likely to cause a paradigm shift towards the delivery of personalized care and reduced burden of disease in NMIBC.
Framing the Realist Novel
Creators: name: Blunden, Ralph
Publisher: name: Monash University
Year: 2017
Subjects: subject: Literature
subject: Philosophy
subject: FOS: Philosophy, ethics and religion

description: Framing the Realist novel develops a theory of framing the realist novel with a distinction made between internal framing devices and the external frames of ontology and ethics. An encompassing methodological frame of critical rationality is developed. What the realist novel is is discussed in chapter one and a distinction is drawn between the historical period in the second half of the nineteenth century and realism that pervades realist narrative more generally. Chapter three applies the theory of frames developed to three novels: Bronte's 'Wuthering Heights'; Conrad's 'Heart of Darkness' and Coetzee's 'The Lives of Animals'.
title: Corpora containing the examined phonemes in the three languages
Creators: name: Chirkova, Katia
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2018

description: Relation: http://purl.org/poi/crdo.vjf.cnrs.fr/cocoon-10717b0e-309b-3f2c-aeb9-3fa95c8c9e1b
$\textit{Herschel}$ discovery of far-infrared emission from the hot spot D in the radio galaxy Cygnus A
Creators: name: Sunada, Yuji
name: Isobe, Naoki
name: Tashiro, Makoto S.
name: Kino, Motoki
name: Koyama, Shoko
name: Nakahara, Satomi
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The far infrared counterpart of hot spot D, the terminal hot spot of the eastern jet hosted by the radio galaxy Cygnus A, is detected with \textit{Herschel} Aperture photometery of the source performed in 5 photometric bands covering the wavelength range of $70\unicode{x2013}350$ $\mathrm{μm}$. After removing the contamination from another nearby hot spot, E, the far-infrared intensity of hot spot D is derived as $83\pm13$ and $269\pm66$ mJy at $160$ and $350$ $\mathrm{μm}$, respectively. Since the far-infrared spectrum of the object smoothly connects to the radio one, the far-infrared emission is attributed to the synchrotron radiation from the radio-emitting electron population. The radio-to-near-infrared spectrum is confirmed to exhibit a far-infrared break feature at the frequency of $ν_\mathrm{br}=2.0^{+1.2}_{-0.8} \times10^{12}$ Hz. The change in energy index at the break ($Δα=0.5$) is interpreted as the impact of radiative cooling on an electron distribution sustained by continuous injection from diffusive shock acceleration. By ascribing the derived break to this cooling break, the magnetic field, $B$, in the hot spot is determined as a function of its radius, $R$ within a uniform one-zone model combined with the strong relativistic shock condition. An independent $B$-$R$ constraint is obtained by assuming the X-ray spectrum is wholly due to synchrotron-self-Compton emission. By combining these conditions, the two parameters are tightly determined as $B=120\unicode{x2013}150$ $\mathrm{μG}$ and $R=1.3\unicode{x2013}1.6$ kpc. A further investigation into the two conditions indicates the observed X-ray flux is highly dominated by the synchrotron-self-Compton emission.
description: 12 pages, 8 figures. Accepted for publication in the Monthly Notices of the Royal Astronomical Society
PowerPoint Slides for: Dialysis Access as an Area of Improvement in Elderly Incident Hemodialysis Patients: Results from a Cohort Study from the International Monitoring Dialysis Outcomes Initiative
Creators: name: Raimann, J.G.
name: Barth, C.
name: Usvyat, L.A.
name: Preciado, P.
name: Canaud, B.
name: Etter, M.
name: Xu, X.
name: Guinsburg, A.
name: Marelli, C.
name: Duncan, N.
name: Power, A.
name: Van Der Sande, F.M.
name: Kooman, J.P.
name: Thijssen, S.
name: Wang, Y.
name: Kotanko, P.
name: The Monitoring Dialysis Outcomes (MONDO) Initiative
Publisher: name: Karger Publishers
Year: 2017
Subjects: Medicine

description: Background: Commencing hemodialysis (HD) using a catheter is associated with a higher risk of adverse outcomes, and early conversion from central-venous catheter (CVC) to arteriovenous fistula/graft (non-CVC) improves outcomes. We investigated CVC prevalence and conversion, and their effects on outcomes during the first year of HD in a multinational cohort of elderly patients. Methods: Patients ≥70 years from the MONDO Initiative who commenced HD between 2000 and 2010 in Asia-Pacific, Europe, North-, and South-America and survived at least 6 months were included in this investigation. We stratified by age (70-79 years [younger] vs. ≥80 years [older]) and compared access types (at first and last available date) and their changes. We studied the association between access at initiation and conversion, respectively, and all-cause mortality using Kaplan-Meier curve and Cox regression, and predicted the absence of conversion from catheter to non-CVC using adjusted logistic regression. Results: In 14,966 elderly, incident HD patients, survival was significantly worse when using a CVC at all times. In Europe, the conversion frequency from CVC to non-CVC was higher in the younger fraction. Conversion from non-CVC to CVC was associated with worsened outcomes only in the older fraction. Conclusion: These results corroborate the need for early HD preparation in the elderly HD population. Treatment of elderly patients who commence HD with a CVC should be planned considering aspects of individual clinical risk assessment. Differences in treatment practices in predialysis care specific to the elderly as a population may influence access care and conversion rate.
Building Bridges to the Blue: Ocean Science, Conservation, and Education for Empowered Coastal Communities
Creators: name: Gaurav N. Lanjewar1* Shweta A. Sonawane1
Publisher: name: trends in Agriculture Science
Year: 2024

description: Innovative community-based monitoring programs and citizen science projects have become transformative forces in the field of marine science and conservation, including local inhabitants as active participants in ongoing research activities. These programs enable people to actively engage in data gathering via thorough training and cooperative efforts, providing insightful information on the complex dynamics and health of marine ecosystems. Community participation in Marine Protected Areas (MPAs) is noteworthy because it introduces co-management practices and gives locals a crucial role in enforcing legislation and managing marine resources sustainably. In this complex strategy, education plays a key role as a foundation for awareness and transformation. Customized initiatives intentionally incorporate marine science into community workshops and school curriculum to provide a deep understanding of marine ecosystems. Using immersive field excursions and interactive workshops as well as other experiential learning strategies improves understanding and fosters a greater feeling of accountability for ocean conservation. Additionally, programs within this paradigm aggressively acknowledge and incorporate indigenous and cultural knowledge, which successfully closes the knowledge gap between traditional ecological wisdom and mainstream science.
Adapting to Organisational Culture: A Staged Adapatation Model
Creators: name: Douglas, Claire
Publisher: name: UH Research Archive
Year: 2018
Subjects: Adapting
Organisational Culture
Model
Staged Model of Adaptation

description: Adapting to Organizational Culture: A Staged Adaptation Model 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.
Characteristics of small protoplanetary disc warps in kinematic observations
Creators: name: Young, Alison K.
name: Alexander, Richard
name: Rosotti, Giovanni
name: Pinte, Christophe
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Many circumstellar discs appear to have misaligned central regions that give rise to shadows seen in scattered light observations. Small warps ($<20^\circ$ misalignment) are probably more common but are also more difficult to detect than the large misalignments studied previously. We present the characteristics of CO emission that may be used to identify a small disc warp, found from synthetic $^{13}$CO maps of a model misaligned circumbinary disc. The spectra are not symmetrical, so fitting a Keplerian model is not appropriate and can hide a warp or lead to spurious features such as spirals appearing in the residuals. We quantify the observed warp structure by fitting sinusoids to concentric annuli of the disc. From this we can trace the radial variation of the peak velocity and of the azimuth of the peak velocity, i.e., the twist. At near face-on inclinations, these radial profiles reveal the warp structure. The twist remains detectable at moderate inclinations (${i_{\rm outer~disc}\lesssim 35^{\circ}}$) in the absence of radial flows but the measured inclination must be accurate to $\lesssim 5^{\circ}$ to allow detection of the radial variation. The observed twist does not provide a direct measure of the warp structure because of its dependence on optical depth. The warp causes broad asymmetries in the channel maps that span several channels and that are distinct from localised features caused by embedded planets and gravitational instability. We suspect that kinematic evidence of warps may have been missed and we suggest a few examples where the data may be revisited.
description: 16 pages. Accepted to MNRAS
Causation and the Objectification of Agency
Creators: name: Schulz, Christoph
Publisher: name: UH Research Archive
Year: 2015
Subjects: causation
causality
agency
actions
information theory
Bayesian networks
Markovian model
levels of abstraction
philosophy of information
thermodynamics
causation by information
objectification

description: This dissertation defends the so-called 'agency-approach' to causation, which attempts to ground the causal relation in the cause's role of being a means to bring about its effect. The defence is confined to a conceptual interpretation of this theory, pertaining to the concept of causation as it appears in a causal judgement. However, causal judgements are not seen as limited to specific domains, and they are not exclusively attributed to human agents alone. As a methodological framework to describe the different perspectives of causal judgments, a method taken from the philosophy of information is made use of – the so-called 'method of abstraction'. According to this method, levels of abstraction are devised for the subjective perspective of the acting agent, for the agent as observer during the observation of other agents’ actions, and for the agent that judges efficient causation. As a further piece of propaedeutic work, a class of similar (yet not agency-centred) approaches to causation is considered, and their modelling paradigms – Bayesian networks and interventions objectively construed – will be criticised. The dissertation then proceeds to the defence of the agency-approach, the first part of which is a defence against the objection of conceptual circularity, which holds that agency analyses causation in causal terms. While the circularity-objection is rebutted, I rely at that stage on a set of subjective concepts, i.e. concepts that are eligible to the description of the agent’s own experience while performing actions. In order to give a further, positive corroboration of the agency-approach, an investigation into the natural origins and constraints of the concept of agency is made in the central chapter six of the dissertation. The thermodynamic account developed in that part affords a third-person perspective on actions, which has as its core element a cybernetic feedback cycle. At that point, the stage is set to analyse the relation between the first- and the third-person perspectives on actions previously assumed. A dual-aspect interpretation of the cybernetic-thermodynamic picture developed in chapter six will be directly applied to the levels of abstraction proposed earlier. The level of abstraction that underpins judgments of efficient causation, the kind of causation seemingly devoid of agency, will appear as a derived scheme produced by and dependent on the concept of agency. This account of efficient causation, the ‘objectification of agency’, affords the rebuttal of a second objection against the agency-approach, which claims that the approach is inappropriately anthropomorphic. The dissertation concludes with an account of single-case, or token level, causation, and with an examination of the impact of the causal concept on the validity of causal models.
The Scaling Relation between Galaxy Luminosity and WHIM Density from EAGLE Simulations with application to SDSS data
Creators: name: Holt, Patrick
name: Tuominen, Toni
name: Nevalainen, Jukka
name: Bonamente, Massimiliano
name: Kuutma, Teet
name: Heinämäki, Pekka
name: Tempel, Elmo
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: This paper presents an updated scaling relation between the optical luminosity density (LD) of galaxies in the $r$ band and the density of the warm-hot intergalactic medium (WHIM) in cosmic filaments, using the high-resolution EAGLE simulations. We find a strong degree of correlation between the WHIM density and the galaxy luminosity density, resulting in a scaling relation between the two quantities that permits to predict the WHIM density of filaments with a scatter of less than $\frac{1}{2}$ dex in a broad range of smoothed filament luminosity densities. In order to estimate the performance of the simulation-based calibration of the LD-WHIM density relation, we applied it to a sample of low-redshift filaments detected with the \emph{Bisous} method in the Legacy Survey SDSS~DR12 data. In the volume covered by the SDSS data, our relation predicts a WHIM density amounting to $31\pm7\pm12$ % (statistical errors followed by systematic) of cosmic baryon density. This agrees, albeit within the large uncertainties, with the current estimates of the cosmological missing baryon fraction, implying that our LD-WHIM density relation may be a useful tool in the search for the missing baryons. This method of analysis provides a new promising avenue to study the physical properties of the missing baryons, using an observable that is available for large volumes of the sky, complementary and independent from WHIM searches with absorption-line systems in the FUV or X-rays.
description: 13 pages, 12 figures, MNRAS accepted 2022 March 22
Supplementary Material for: Contribution of Amniotic Fluid along Gestation to the Prediction of Perinatal Mortality in Women with Early Preterm Premature Rupture of Membranes
Creators: name: Cobo, T.
name: Munrós, J.
name: Ríos, J.
name: Ferreri, J.
name: Migliorelli, F.
name: Baños, N.
name: Gratacós, E.
name: Palacio, M.
Publisher: name: Karger Publishers
Year: 2017
Subjects: Medicine

description: Introduction: To evaluate the largest vertical pocket (LVP) of amniotic fluid as a time-dependent factor to predict perinatal mortality in women with early preterm premature rupture of membranes (EPPROM). Material and Methods: Observational cohort study of singleton pregnancies with EPPROM <24 weeks. Termination of pregnancy (TOP) was considered if the LVP was <2 cm at 7 days. The maternal and neonatal characteristics of ongoing pregnancies were recorded. Prediction of perinatal mortality was estimated based on the influence of the LVP as a time-dependent factor after adjustment for maternal age, prior invasive procedure, and gestational age at EPPROM. Results: Of 104 women, 39 requested TOP. Neonatal survival to discharge was 40%, increasing to 74% if pregnancies achieved 24 weeks. LVP at admission <1 cm, latency to delivery, and gestational age at delivery were independent predictors of perinatal mortality. When evaluating the LVP at different time points of gestation, the highest perinatal mortality risk was established at 2 weeks (odds ratio 14.67, p < 0.001) after membrane rupture, being 5.75 (p = 0.05) the week after and 10.93 (p = 0.037) beyond 2 weeks of EPPROM. Discussion: When LVP measurement, gestational age at EPPROM, maternal age, and prior invasive procedure were considered, we found that the worst prognosis related to perinatal mortality was at 2 weeks after EPPROM.
Synthesis, X-ray structure, in vitro HIV and kinesin Eg5 inhibition activities of new arene ruthenium complexes of pyrimidine analogs
Creators: name: Wasfi A. Al-Masoudi
name: Al-Masoudi, Najim A.
name: Weibert, Bernhard
name: Winter, Rainer
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biophysics
subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Developmental Biology
subject: Cancer

description: Three new ruthenium(II)-arene complexes of the general formula [{(η6-p-cymene)Ru(L)}2](Cl)2), where L are monastrol (L1), ethyl 4-(3-hydroxyphenyl)-6-methyl-2-thioxo-pyrimidine-5-carboxylate (L2) or its 4-bromophenyl analog (L3), have been synthesized and characterized by elemental analysis, 1H, 13C, and 2-D NMR spectroscopy. The X-ray diffraction study of complex 1 showed the presence of a dicationic diruthenium complex where two thioxopyrimidines act as tridentate μ,κN:κ2S ligand, bridging two Ru ions through the pyrimidine nitrogen and sulfur atoms. All new complexes were evaluated in vitro for their antiviral activity against the replication of HIV-1 and HIV-2 in MT-4 cells using MTT assay. Additionally, complexes 1–3 were screened for their inhibitory activity against the ATPase enzyme and the motor-protein Kinesin Eg5. Complex 1 was found to inhibit microtubule-stimulated ATPase activity of kinesin of IC50 = 30 μM (monastrol, IC50 = 10 μM).
Accurate Diffusion Coefficients for Dense White Dwarf Plasma Mixtures
Creators: name: Caplan, M. E.
name: Bauer, E. B.
name: Freeman, I. F.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Diffusion coefficients are essential microphysics input for modeling white dwarf evolution, as they impact phase separation at crystallization and sedimentary heat sources. Present schemes for computing diffusion coefficients are accurate at weak coupling ($Γ\ll 1$), but they have errors as large as a factor of two in the strongly coupled liquid regime ($1 \lesssim Γ\lesssim 200$). With modern molecular dynamics codes it is possible to accurately determine diffusion coefficients in select systems with percent-level precision. In this work, we develop a theoretically motivated law for diffusion coefficients which works across the wide range of parameters typical for white dwarf interiors. We perform molecular dynamics simulations of pure systems and two mixtures that respectively model a typical-mass C/O white dwarf and a higher-mass O/Ne white dwarf, and resolve diffusion coefficients for several trace neutron-rich nuclides. We fit the model to the pure systems and propose a physically motivated generalization for mixtures. We show that this model is accurate to roughly 15% when compared to molecular dynamics for many individual elements under conditions typical of white dwarfs, and is straightforward to implement in stellar evolution codes.
description: 6 pages, 4 figures, accepted for publication in MNRAS Letters
Electromagnetic Compatibility in Wireline Communications
Creators: name: Lauder, David Maxwell
Publisher: name: UH Research Archive
Year: 2015
Subjects: EMC
Electromagnetic Compatibility
emission
loop
antenna
powerline
communications
telecommunications
PLC
PLT
DSL

description: This document is a thesis submitted in partial fulfilment of the requirements of the University of Hertfordshire for the degree of Doctor of Philosophy (Part Time) in 'EMC in Wire-line Communications' in the School of Electronic, Communication and Electrical Engineering at the University of Hertfordshire. It describes a programme of research into the modelling and measurement of radio frequency interference emissions from various communication networks including Power Line (Tele)communications (PLC/PLT) and Digital Subscriber Line (DSL). An introduction and literature review are followed by the results of practical measurements on installed networks. These measurements include antenna gain and Longitudinal Conversion Loss (LCL). Power line communication networks, splitterless DSL and home phoneline networks in buildings are studied and modelled and the models are compared with the measured results. Improved EMC test methods are also described, in particular the modelling and design of four types of portable antennas for use in radiated EMC measurements with improved sensitivity at frequencies up to 30 MHz. The first type is a set of three manually tuned loop antennas covering 100 kHz - 30 MHz. The second is a set of three loop antennas that cover a similar frequency range but with remote tuning via an optical fibre link, under the control of software which also controls an EMC measuring receiver. The third type is a larger (1.6 m diameter) tuned loop covering 1.75 - 10 MHz that allows the measuring system noise floor to be below the typical atmospheric noise floor. The fourth type is an electrically short dipole covering 10 - 30 MHz with improved matching. The protection requirements for various types of radio communication services are analysed and are compared with emission levels from various types of wireline communication network. A review of existing applicable EMC standards and standards under development is also presented.
Revisit NGC 5466 Tidal Stream with $Gaia$, SDSS/SEGUE and LAMOST
Creators: name: Yang, Yong
name: Zhao, Jing-Kun
name: Ishigaki, Miho N.
name: Zhou, Jian-Zhao
name: Yang, Cheng-Qun
name: Xue, Xiang-Xiang
name: Ye, Xian-Hao
name: Zhao, Gang
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: By mining the data from $Gaia$ EDR3, SDSS/SEGUE DR16 and LAMOST DR8, 11 member stars of the NGC 5466 tidal stream are detected and 7 of them are newly identified. To reject contaminators, a variety of cuts are applied in sky position, color-magnitude diagram, metallicity, proper motion and radial velocity. We compare our data to a mock stream generated by modeling the cluster's disruption under a smooth Galactic potential plus the Large Magellanic Cloud (LMC). The concordant trends in phase-space between the model and observations imply that the stream might have been perturbed by LMC. The two most distant stars among 11 detected members trace the stream's length to $60^\circ$ of sky, supporting and extending the previous length of $45^\circ$. Given that NGC 5466 is so distant and potentially has a longer tail than previously thought, we expect that NGC 5466 tidal stream could be a useful tool in constraining the Milky Way gravitational field.
description: accepted for publication in MNRAS
Nonlinear behaviour of warped discs around a central object with a quadrupole moment
Creators: name: Deng, Hongping
name: Ogilvie, Gordon
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The nonlinear behaviour of low-viscosity warped discs is poorly understood. We verified a nonlinear bending-wave theory, in which fluid columns undergo affine transformations, with direct 3D hydrodynamical simulations. We employed a second-order Godunov-type scheme, Meshless Finite Mass (MFM), and also the Smoothed Particle Hydrodynamics (SPH) method, with up to 128M particles. For moderate nonlinearity, MFM maintains well the steady nonlinear warp predicted by the affine model for a tilted inviscid disc around a central object with a quadrupole moment. However, numerical dissipation in SPH is so severe that even a low-amplitude nonlinear warp degrades at a resolution where MFM performs well. A low-amplitude arbitrary warp tends to evolve towards a nonlinear steady state. However, no such state exists in our thin disc with an angular semi-thickness H/R = 0.02 when the outer tilt angle is beyond about 14 degrees. The warp breaks tenuously and reconnects in adiabatic simulations, or breaks into distinct annuli in isothermal simulations. The breaking radius lies close to the location with the most extreme nonlinear deformation. Parametric instability is captured only in our highest-resolution simulation, leading to ring structures that may serve as incubators for planets around binaries.
description: accepted to MNRAS
Implementation of quality by design approach in manufacturing process optimization of dry granulated, immediate release, coated tablets – a case study
Creators: name: Michał Teżyk
name: Jakubowska, Emilia
name: Bartłomiej Milanowski
name: Lulek, Janina
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Space Science
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: The aim of this study was to optimize the process of tablets compression and identification of film-coating critical process parameters (CPPs) affecting critical quality attributes (CQAs) using quality by design (QbD) approach. Design of experiment (DOE) and regression methods were employed to investigate hardness, disintegration time, and thickness of uncoated tablets depending on slugging and tableting compression force (CPPs). Plackett–Burman experimental design was applied to identify critical coating process parameters among selected ones that is: drying and preheating time, atomization air pressure, spray rate, air volume, inlet air temperature, and drum pressure that may influence the hardness and disintegration time of coated tablets. As a result of the research, design space was established to facilitate an in-depth understanding of existing relationship between CPPs and CQAs of intermediate product (uncoated tablets). Screening revealed that spray rate and inlet air temperature are two most important factors that affect the hardness of coated tablets. Simultaneously, none of the tested coating factors have influence on disintegration time. The observation was confirmed by conducting film coating of pilot size batches.
title: 01_0833
Creators: name: Wesley Baldwin, John
name: Baldwin, John W.
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2018
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: L'ensemble de ces notes ont été crée par John Baldwin lors d'une de ses premières périodes de résidence à Paris. Ces documents comprennent tous les magistri qu’il avait pu rencontrer dans ses sources. Aux XIIème et XIIIème siècles, les universités n'existant pas encore, le titre de magister s'il évoque certainement une compétence n'est pas rattaché de façon systématique au passage par les écoles. De surcroît, les magistris sont le plus souvent désignés par leur seul prénom. La lecture de ces données est donc difficile et suppose un long travail pour tenter d'identifier un individu auquel on pourrait rattacher plusieurs mentions. John Baldwin avait donc renoncé à utiliser ces données pour donner un prolongement à sa magnifique étude sur les gradués d'université et leur emploi par les Capétiens et les Plantagenêts. Néanmoins, il a conservé ces données et elles sont potentiellement très utile dans le cadre de Studium, comme le sont toutes les mentions dans les volumes des Fasti Ecclesiae Gallicanae de chanoines portant ce titre de magister sans autres précisions. L'ampleur des dépouillements rend ces données très utiles et nous devons une grande reconnaissance à John Baldwin pour avoir pris la peine de faire photocopier ses fiches et de nous les avoir transmises amicalement.
Les données ainsi que les images des fiches sont accessibles sur le site Internet à l'adresse suivante : http://studium-baldwin.lamop.fr/.
Les transcriptions des fiches ont été effectuées par des étudiants de Paris 1 Panthéon - Sorbonne mais elles n'ont pas été corrigées par la suite.
description: Relation: https://lamop.hypotheses.org/
Perceptions of Causes and Long Term Effects of Academic Underachievement in High IQ Adults
Creators: name: Favier-Townsend, Anne Madeleine Marie
Publisher: name: UH Research Archive
Year: 2015
Subjects: High IQ
Late identification of high IQ
Underachievement
Intellectual neglect
Gifted
Special educational needs of high IQ individuals

description: A great deal is known and has been written about the difficulties that high IQ children can experience in the classroom when their special educational needs are not met. Evidence suggests that these difficulties can result in poor academic performance. This study is different from the research carried out in this field so far in that it expresses an hitherto unheard adult voice. It does so by examining the causes and the long-term effects of academic underachievement, as perceived by high IQ adults, on reflection. A mixed quantitative/qualitative methodological approach was used. 158 members of British Mensa, the High IQ Society, completed one semi-structured open ended questionnaire about their perceptions of the causes and long-term effects of their academic underachievement. A second questionnaire was completed by 50 of the previous sample who had revealed that they had reversed their underachievement in adulthood. This highlighted the differences between their educational experiences as children and as adults. It also revealed the impact that their delayed academic achievement had had on their life trajectory. Out of those 50 participants, ten took part in semi-structured one-to-one interviews which allowed for more in-depth enquiry. The conclusions of the study were that, if not nurtured, an innate ability such as a high IQ can become a disadvantage over time. It suggests that not catering for the special educational needs of high IQ children by not providing the mental stimulation they need is ‘intellectual neglect’. Such neglect, like physical and emotional neglect, may affect mental well-being in adulthood. In the study sample, most of the participants’ long-term economic and mental health had been negatively affected by their academic underachievement, even when it had been reversed in adulthood. This is an area which seems to have been little researched so far, perhaps because of the difficulty of locating high IQ underachieving adults. Yet, the issues highlighted by the research are of great importance not only to the individuals concerned but also to society. The desired outcomes of this study are that the dissemination of the results will raise awareness amongst educators and policy makers of the potential negative long-term effects of neglecting high IQ children’s intellectual needs. It will also provide a platform for further research.
Statistical Contextual Explanation of Quantum Paradoxes
Creators: name: Kupczynski, Marian
Publisher: name: arXiv
Year: 2025
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We celebrate this year hundred years of quantum mechanics but there is still no consensus regarding its interpretation and limitations. In this article we advocate the statistical contextual interpretation which is free of paradoxes. State vectors and various operators are purely mathematical entities allowing making quantitative probabilistic predictions. State vector describes an ensemble of identically prepared physical systems and a specific operator represents a class of equivalent measurements of a physical observable. A collapse of wave function is not a mysterious and instantaneous physical process. A collapsed quantum state describes a new ensemble of physical systems prepared in a particular way. Probabilities are objective properties of random experiments in which empirical frequencies stabilize. Therefore, quantum probabilities do not provide a complete description of individual physical systems and their interactions. Whether these probabilities can be explained as emergent is an open question which cannot be settled by philosophical discussions and no-go theorems. It can be only answered by more detailed study of experimental data then it is usually done. Bell Tests allowed rejecting Bell local and Bell causal hidden variable models but we even don't know whether quantum probabilities provide a complete description of existing experimental data. Time series of experimental data may contain much more information than it is obtained using empirical frequencies and histograms. Therefore, predictable completeness of quantum mechanics has be tested and not taken for granted.
description: Review article, 21 pages, 130 references
Using Old and New Approaches: Determining Physical Properties of Brown Dwarfs with Empirical Relations and Machine Learning Models
Creators: name: Feeser, S. Jean
name: Best, William M. J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We investigate applications of machine learning models to directly infer physical properties of brown dwarfs from their photometry and spectra using $\textit{The Cannon}$. We demonstrate that absolute magnitudes, spectral types, and spectral indices can be determined from low-resolution SpeX prism spectra of L and T dwarfs without trigonometric parallax measurements and with precisions competitive with commonly used methods. For T dwarfs with sufficiently precise spectra and photometry, bolometric luminosities and effective temperatures can be determined at precisions comparable to methods that use polynomial relations as a function of absolute magnitudes. We also provide new and updated polynomial relations for absolute magnitudes as a function of spectral types L0-T8 in 14 bands spanning Pan-STARRS $r_{P1}$ to AllWISE $\textit{W3}$, using a volume-limited sample of 256 brown dwarfs defined entirely by parallaxes. These include the first relations for brown dwarfs using Pan-STARRS1 photometry and the first for several infrared bands using a volume-limited sample. We find that our novel method with $\textit{The Cannon}$ can infer absolute magnitudes with equal or smaller uncertainties than the polynomial relations that depend on trigonometric parallax measurements.
description: 22 pages, 19 figures, 4 tables. Accepted for publication in MNRAS
Synthesis, X-ray structure, in vitro HIV and kinesin Eg5 inhibition activities of new arene ruthenium complexes of pyrimidine analogues
Creators: name: Wasfi A. Al-Masoudi
name: Al-Masoudi, Najim A.
name: Weibert, Bernhard
name: Winter, Rainer
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biophysics
subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Developmental Biology
subject: Cancer

description: Three new ruthenium(II)-arene complexes of the general formula [{(η6-p-cymene)Ru(L)}2](Cl)2), where L are monastrol (L1), ethyl 4-(3-hydroxyphenyl)-6-methyl-2-thioxo-pyrimidine-5-carboxylate (L2) or its 4-bromophenyl analogue (L3), have been synthesized and characterized by elemental analysis, 1H, 13C and 2D NMR spectroscopy. The X-ray diffraction study of complex 1 showed the presence of a dicationic diruthenium complex where two thioxopyrimidines act as tridentate μ,κN:κ2S ligand, bridging two Ru ions through the pyrimidine nitrogen and sulfur atoms. All new complexes were evaluated in vitro for their antiviral activity against the replication of HIV-1 and HIV-2 in MT-4 cells using MTT assay. Additionally, complexes 1-3 were screened for their inhibitory activity against the ATPase enzyme and the motor-protein Kinesin Eg5. Complex 1 was found to inhibit microtubule-stimulated ATPase activity of kinesin of IC50 = 30 μM (monastrol, IC50 = 10 μM).
Influence of employee perception of differential organizational climate on knowledge hiding: Moderation of task interdependence
Creators: name: LI, XIAOQI
name: ZHU, SIYI
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 350707
subject: Leadership

description: As relational ties strengthen, the hierarchical pattern that is rooted in the relational structure of Chinese society has exerted profound effects on the daily operation and management of indigenous Chinese enterprises. In this study we drew on social information processing theory to examine the impact of employees’ perception of differential climate on knowledge hiding. We analyzed data obtained from 406 employees in seven Chinese enterprises, The results indicate that perception of differential climate positively influenced employee knowledge hiding, with relative deprivation mediating the relationship between differential climate perception and knowledge hiding. Furthermore, task interdependence negatively moderated the positive relationship between relative deprivation and knowledge hiding, as well as the mediating effect of relative deprivation between employees’ differential climate perception and knowledge hiding. This study contributes to a deeper understanding of the psychological mechanisms and behavioral patterns of employees in the context of indigenous Chinese management.