cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
CALCAREOUS PLANKTON BIO-EVENTS IN THE MIOCENECASE PELACANI SECTION (SOUTH-EASTERN SICILY, ITALY)
Creators: name: DI STEFANO, ENRICO
name: BONOMO, SERGIO
name: CARUSO, ANTONIO
name: DINARES-TURELL, JAUME
name: MARIA FORESI, LUCA
name: SALVATORINI, GIANFRANCO
name: SPROVIERI, RODOLFO
Publisher: name: Università degli Studi di Milano
Year: 2002

description: The upper Serravallian-Lower Tortonian Case Pelacani section in Sicily is represented by the epipelagic sediments of the Tellaro Formation. Along the section, which was sampled in four easily correlatable segments, a more or less continuous sequence of lithologic couplets, with whitish marls and blackish levels in the lower part and whitish marls and whitish more indurated levels in the upper part are present. The distribution of the most common taxa of planktonic foraminifera and calcareous nannofossils was quantitatively estimated in 316 samples, collected every 20 cm along the section which is 66.35 m thick. This allowed to identify eleven planktonic foraminifera (but only the eight marker events were quantitatively estimated) and five calcareous nannofossil bio-events.  Their astrochronology is reported by correlation with the cyclostratigraphic results obtained for this section in a different paper. The ages are well comparable with the ages published for the same events in other Mediterranean sections. Paleomagnetic analysis along 30 meters in the central part of the section gave puzzling results and therefore no reliable magnetostratigraphy could be obtained. The Case Pelacani section, straddling the stratigraphic interval between slightly below the first occurrence and slightly above the first regular occurrence of Neogloboquadrina acostaensis , is a good candidate for the definition of the GSSP (Global Stratigraphic Section and Point) of the Tortonian. Independently from the selected section, we suggest to define the Serravallian/Tortonian boundary in a level coincident or near the last occurrence of Paragloborotalia siakensis, as already proposed, or coincident with or near the last common occurrence of Globigerinoides subquadratus. This latter level virtually coincides with the first common occurrence of Globigerinoides obliquus obliquus and is slightly above the last common occurrence of Discoaster kugleri, which occurs only 2.25 meters (and 3 precessional cycles) below in the studied section.
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 108, No 2
Continuous variable multimode quantum states via symmetric group velocity matching
Creators: name: Roman-Rodriguez, V.
name: Brecht, B.
name: Kaali, S.
name: Silberhorn, C.
name: Treps, N.
name: Diamanti, E.
name: Parigi, V.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Configurable and scalable continuous variable quantum networks for measurement-based quantum information protocols or multipartite quantum communication schemes can be obtained via parametric down conversion (PDC) in non-linear waveguides. In this work, we exploit symmetric group velocity matching (SGVM) to engineer the properties of the squeezed modes of the PDC. We identify type II PDC in a single waveguide as the best suited process, since multiple modes with non-negligible amount of squeezing can be obtained. We explore, for the first time, the waveguide dimensions, usually only set to ensure single-mode guiding, as an additional design parameter ensuring indistinguishability of the signal and idler fields. We investigate here potassium titanyl phosphate (KTP), which offers SGVM at telecommunications wavelengths, but our approach can be applied to any non-linear material and pump wavelength. This work paves the way towards the engineering of future large-scale quantum networks in the continuous variable regime.
Multiplicity and transverse energy of produced gluon in relativistic heavy ion collision
Creators: name: Xiao, Bo-Wen
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present a simple gluon production picture which is based on the McLerran-Venugopalan model and gluon BFKL evolution in relativistic heavy ion collision. Results for the multiplicity and transverse energy distribution in both the central and forward rapidity regions for gluon production in early stages of heavy ion collisions at the LHC are given. Finally, we provide a general qualitative discussion of the consequences of the forward rapidity behavior of produced gluons.
description: 17 pages, 5 figures; corrections added, version accepted for publication in Phys. Rev. C
Re-transcription of unpublished Whilkut texts
Creators: name: Parker, Verdena
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: hup

description: Audio file VP-130220-09: Re-transcription and translation of Whilkut texts transcribed by P.E. Goddard, American Philosophical Society Na20j.1, notebook #2, pp. 21-27.
ADVANCEMENTS IN GENETIC ENGINEERING - FROM PRECISION MEDICINE TO GENE EDITING TECHNOLOGIES AND BEYOND
Creators: name: Brandl, Edenilson
Publisher: name: Zenodo
Year: 2024
Subjects: Genetic Engineeringq
Gene Therapy
Reproductive Health
3D Bioprinting
Therapeutic Protein Production
Gene Editing Technologies
Telomeric Satellite DNA
Homeotic Genes
Transfer RNAs (tRNAs)
Ethical Considerations in Genetic Research

description: This comprehensive article delves into the recent strides in genetic engineering, spanning a spectrum from gene therapy for fertility-related disorders to therapeutic protein production, tissue engineering, and advanced gene editing technologies. The integration of RNA-based interventions, sophisticated cell culture techniques, 3D bioprinting, and precise genetic code manipulation forms a multidisciplinary approach revolutionizing reproductive health. Additionally, ethical considerations in gene editing, the pivotal role of homeotic genes in body patterning, and the significance of telomeric satellite DNA in tissue engineering are explored. The article also highlights the bidirectionality of DNA replication, the role of nanocapsules in gene delivery, and the intricate mechanisms of transfer RNAs in decoding the genetic code. This multifaceted exploration underscores the transformative era in genetic manipulation, offering profound implications for science, medicine, and society.

 

 

Dieser umfassende Artikel befasst sich mit den jüngsten Fortschritten in der Gentechnik und umfasst ein Spektrum von der Gentherapie für Fruchtbarkeitsstörungen bis hin zur therapeutischen Proteinproduktion, Tissue Engineering und fortschrittlichen Genbearbeitungstechnologien. Die Integration von RNA-basierten Interventionen, hochentwickelten Zellkulturtechniken, 3D-Bioprinting und präziser Manipulation des genetischen Codes bildet einen multidisziplinären Ansatz, der die reproduktive Gesundheit revolutioniert. Darüber hinaus werden ethische Überlegungen bei der Genbearbeitung, die zentrale Rolle homöotischer Gene bei der Strukturierung von Körpern und die Bedeutung telomerer Satelliten-DNA bei der Gewebezüchtung untersucht. Der Artikel beleuchtet außerdem die Bidirektionalität der DNA-Replikation, die Rolle von Nanokapseln bei der Genübertragung und die komplizierten Mechanismen von Transfer-RNAs bei der Entschlüsselung des genetischen Codes. Diese vielschichtige Untersuchung unterstreicht die transformative Ära der Genmanipulation und bietet tiefgreifende Auswirkungen auf Wissenschaft, Medizin und Gesellschaft.
Possible approach to improve sensitivity of a Michelson interferometer
Creators: name: Fu, Jian
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a possible approach to achieve an 1/N sensitivity of Michelson interferometer by using a properly designed random phase modulation. Different from other approaches, the sensitivity improvement does not depend on increasing optical powers or utilizing the quantum properties of light. Moreover the requirements for optical losses and the quantum efficiencies of photodetection systems might be lower than the quantum approaches and the sensitivity improvement is frequency independent in all detection band.
description: 8 pages, 3 figures, new version
ISS-flation
Creators: name: Craig, Nathaniel J.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Inflation may occur while rolling into the metastable supersymmetry-breaking vacuum of massive supersymmetric QCD. We explore the range of parameters in which slow-roll inflation and long-lived metastable supersymmetry breaking may be simultaneously realized. The end of slow-roll inflation in this context coincides with the spontaneous breaking of a global symmetry, which may give rise to significant curvature perturbations via inhomogenous preheating. Such spontaneous symmetry breaking at the end of inflation may give rise to observable non-gaussianities, distinguishing this scenario from more conventional models of supersymmetric hybrid inflation.
description: 26 pages
Resonant Auger Destruction and Iron K-Alpha Spectra in Compact X-ray Sources
Creators: name: Liedahl, Duane A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We examine the effects of resonant Auger destruction in modifying the intensities and flux distributions of K-alpha spectra from iron L-shell ions. Applications include X-ray irradiated stellar winds in X-ray binaries and accretion disk atmospheres. Using detailed atomic models, we find that resonant Auger destruction is selective, in that only a subset of the emitted K-alpha lines is highly attenuated. We also show that that the local excitation conditions can have a dramatic effect on the K-alpha emissivity spectrum.
description: 10 pages, PDF format only; to appear in the proceedings of X-ray Diagnostics for Astrophysical Plasmas: Theory, Experiment, and Observation, ed. R. K. Smith (Melville: AIP)
Japanese quail microsatellite loci amplified by chicken-specific primer pairs
Creators: name: Pang, Shirley Wing Yee
Publisher: name: University of British Columbia
Year: 2009

description: Japanese quail (Coturnix japonica) is an important food species as well as a popular animal model for research. Yet, despite their importance, very little is known about their genome. Only allozyme markers have been used to determine the genetic variation of Japanese quail populations and the extent of the protein polymorphism seemed to be relatively low. The use of more variable DNA markers would provide a better understanding of the population structure of these birds. Recently, some scholars suggested that microsatellite markers could detect much higher variation in populations where the detectable allozyme variability is low. Microsatellite loci are often conserved among related species and successful cross-species amplification using heterologous microsatellite primers have been shown in many closely related species of mammals and birds. Microsatellite markers have not been developed for the Japanese quail. The purpose of this study was to examine whether polymorphic microsatellite primers from chicken could amplify corresponding microsatellite loci in Japanese quail DNA templates. Forty-eight chicken microsatellite primer-pairs were tested on Japanese quail genomic DNA using polymerase chain reaction (PCR). Post-PCR DNA fragments were first analyzed on 2% agarose gels and then on Spreadex™ gels. Amplification products were obtained from 28 chicken microsatellite primer-pairs (58.3%) after optimizing the PCR condition for each primer set. Of the 28 primer-pairs that gave PCR products, 12 (25.0%) generated specific products and 16 yielded non-specific amplification products. Specific amplification products from each of the 12 PCR primers were sequenced. Nine of these markers were polymorphic and 3 were monomorphic from 4 Japanese quail populations. Seven of the 9 polymorphic and one of the 3 monomorphic markers contained microsatellite repeats. Three microsatellite loci were confirmed to be homologous to their corresponding loci in chicken. The results indicate the possible use of chicken-specific microsatellite primers in the analysis of Japanese quail genome. Furthermore, results from cross-species characterizations are also presented in the hope of stimulating interest in the use of these markers in various genetic studies.
The influence of growth interruption on the luminescence properties of Ga(As,Sb)-based type II heterostructures
Creators: name: Rost, Luise
name: Lehr, Jannik
name: Maradiya, Milan
name: Hellweg, Lukas
name: Fillsack, Florian
name: Stolz, Wolfgang
name: Heimbrodt, Wolfram
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The influence of growth interruption on the luminescence properties of the Ga(As,Sb)/GaAs interface have been studied by continous wave and time resolved photoluminescence spectrosocopy in type II Ga(As,Sb)/GaAs/(Ga,In)As double quantum well structures. A specific highly selective etching technique in combination with atomic force microscopy (AFM) is used to analyse the morphology of the Ga(As,Sb) interface layers. The type II charge transfer recombination has been used as sensitive probe. It was found, that highest luminescence quantum efficiency can be achieved using a 10s growth interruption applying a stabilization using both precursor sources for the anion sublattice.
description: 7 pages, 6 figures accepted from Journal of Luminescence
Daylighting for energy conservation in an existing building under tropical climate conditions: a case study of Lai Sue Thai building Ramkhamhaeng University
Creators: name: Lerdlekha Tanachaikhan
Publisher: name: Faculty of Engineering, Khon Kaen University
Year: 2015
Subjects: Daylighting,Fenestration,Tropics,Solar,Energy

description: 4, 42, KKU Engineering Journal
An experimental study of the combustion characteristics of groundnut shell and waste paper admixture briquettes
Creators: name: O. A. Oyelaran
name: B. O. Bolaji
name: M. A. Waheed
name: M. F. Adekunle
Publisher: name: Faculty of Engineering, Khon Kaen University
Year: 2015
Subjects: Briquette,Groundnut shell,Waste,Calorific values,Utilized heat

description: 4, 42, KKU Engineering Journal
Development processes of a master plan for flood protection and mitigation in a community area: A case study of Roi Et province
Creators: name: Chatchai Jothityangkoon
name: Haruetai Maskong
name: Phattaraporn Sangthong
name: Preeyaphorn Kosa
Publisher: name: Faculty of Engineering, Khon Kaen University
Year: 2015
Subjects: Flood inundation map,Flood risk map,Drainage capacity,Polder system,Chi river basin,Mun river basin

description: 4, 42, KKU Engineering Journal
Transcription of "One Frog Too Many"
Creators: name: Parker, Verdena
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: hup

description: Audio file VP-130220-10: Transcription of the narration of "One Frog Too Many" by Mercer and Marianna Mayer, file VP-161011-03, from 00:25 to 2:44.
Constraining the Phase of B_s - \bar{B}_s Mixing
Creators: name: Grossman, Yuval
name: Nir, Yosef
name: Raz, Guy
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: New physics contributions to B_s-\bar{B}_s mixing can be parametrized by the size (r_s^2) and the phase (2θ_s) of the total mixing amplitude relative to the Standard Model amplitude. The phase has so far been unconstrained. We first use the D0 measurement of the semileptonic CP asymmetry A_SL to obtain the first constraint on the semileptonic CP asymmetry in B_s decays, A_SL^s=-0.008 \pm 0.011. Then we combine recent measurements by the CDF and D0 collaborations - the mass difference (ΔM_s), the width difference (ΔΓ_s) and A_SL^s - to constrain 2θ_s. The errors on ΔΓ_s and A_SL^s should still be reduced to have a sensitive probe of the phase, yet the central values are such that the regions around 2θ_s ~ 3π/2 and, in particular, 2θ_s ~ π/2, are disfavored.
description: V3: Following clarifications by D0, our range for A_{SL} (and consequently for A_{SL}^s) has been modified, strengthening our conclusions. A new figure has been added; 5 pages
Effects of relative orientation of the molecules on electron transport in molecular devices
Creators: name: Zhou, Yan-Hong
name: Zheng, Xiao-Hong
name: Xu, Ying
name: Zeng, Zhao Yang
name: Zeng, Zhi
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Effects of relative orientation of the molecules on electron transport in molecular devices are studied by non-equilibrium Green's function method based on density functional theory. In particular, two molecular devices, with the planer Au$_{7}$ and Ag$_{3}$ clusters sandwiched between the Al(100) electrodes are studied. In each device, two typical configurations with the clusters parallel and vertical to the electrodes are considered. It is found that the relative orientation affects the transport properties of these two devices completely differently. In the Al(100)-Au$_7$-Al(100) device, the conductance and the current of the parallel configuration are much larger than those in the vertical configuration, while in the Al(100)-Ag$_{3}$-Al(100) device, an opposite conclusion is obtained.
Adsorption of anionic, cationic and disperse dyes with activated pyrolytic tire char
Creators: name: Duangkamol Danwanichakul
name: Danwanichakul, Panu
Publisher: name: Faculty of Engineering, Khon Kaen University
Year: 2015
Subjects: Adsorption,Anionic dye,Cationic dye,Disperse dye,Activated pyrolytic tire char

description: 4, 42, KKU Engineering Journal
Measurement of the Intrinsic Radiopurity of Cs-137/U-235/U-238/Th-232 in CsI(Tl) Crystal Scintillators
Creators: name: Zhu, Y. F.
name: Collaboration, TEXONO
Publisher: name: arXiv
Year: 2005
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The inorganic crystal scintillator CsI(Tl) has been used for low energy neutrino and Dark Matter experiments, where the intrinsic radiopurity is an issue of major importance. Low-background data were taken with a CsI(Tl) crystal array at the Kuo-Sheng Reactor Neutrino Laboratory. The pulse shape discrimination capabilities of the crystal, as well as the temporal and spatial correlations of the events, provide powerful means of measuring the intrinsic radiopurity of Cs-137 as well as the U-235, U-238 and Th-232 series. The event selection algorithms are described, with which the decay half-lives of Po-218, Po-214, Rn-220, Po-216 and Po-212 were derived. The measurements of the contamination levels, their concentration gradients with the crystal growth axis, and the uniformity among different crystal samples, are reported. The radiopurity in the U-238 and Th-232 series are comparable to those of the best reported in other crystal scintillators. Significant improvements in measurement sensitivities were achieved, similar to those from dedicated massive liquid scintillator detector. This analysis also provides in situ measurements of the detector performance parameters, such as spatial resolution, quenching factors, and data acquisition dead time.
description: 28 pages, 12 figures
Time dependent signatures of core-collapse supernova neutrinos at HALO
Creators: name: Ekinci, B.
name: Pehlivan, Y.
name: Patwardhan, Amol V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We calculate the response of a lead-based detector, such as the Helium and Lead Observatory (HALO) or its planned upgrade HALO-1kt to a galactic core-collapse supernova. We pay particular attention to the time dependence of the reaction rates. All reaction rates decrease as the neutrino luminosity exponentially drops during the cooling period but the ratio of one-neutron (1n) to two-neutron (2n) event rates in HALO is independent of this overall decrease. Nevertheless, we find that this ratio still changes with time due to the changing character of neutrino flavor transformations with the evolving conditions in the supernova. In the case of inverted hierarchy, this is caused by the fact that the spectral splits become less and less sharp with the decreasing luminosity. In the case of normal hierarchy, it is caused by the passage of the shock wave through the Mikheyev-Smirnov-Wolfenstein resonance region. However, in both cases, we find that the change in the ratio of 1n to 2n event rates is limited to a few percent.
description: 12 pages with 7 figures
Assessment of wind resource for possibility of small wind turbine installation in Ilorin, Nigeria
Creators: name: Ajao Kajogbola Rasaq
name: Rabiu Abdulkarim Baba
name: Gbadeyan Adewale Ayomide
name: Ajibola Gbenga Oladimeji
name: Olabiyi Akolade Idris
Publisher: name: Faculty of Engineering, Khon Kaen University
Year: 2015
Subjects: Wind characteristics,Wind availability,Cut-in wind speed,Wind turbine,Energy mix

description: 4, 42, KKU Engineering Journal
Effect of electron-phonon scattering on shot noise in nanoscale junctions
Creators: name: Chen, Yu-Chang
name: Di Ventra, Massimiliano
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigate the effect of electron-phonon inelastic scattering on shot noise in nanoscale junctions in the regime of quasi-ballistic transport. We predict that when the local temperature of the junction is larger than its lowest vibrational mode energy $eV_c$, the inelastic contribution to shot noise (conductance) increases (decreases) with bias as $V$ ($\sqrt{V}$). The corresponding Fano factor thus increases as $\sqrt{V}$. We also show that the inelastic contribution to the Fano factor saturates with increasing thermal current exchanged between the junction and the bulk electrodes to a value which, for $V>>V_c$, is independent of bias. A measurement of shot noise may thus provide information about the local temperature and heat dissipation in nanoscale conductors.
description: 4 pages, 2 figures
Impact Probability Under Aleatory And Epistemic Uncertainties
Creators: name: Tardioli, C.
name: Farnocchia, D.
name: Vasile, M.
name: Chesley, S. R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Optimization and Control (math.OC)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We present an approach to estimate an upper bound for the impact probability of a potentially hazardous asteroid when part of the force model depends on unknown parameters whose statistical distribution needs to be assumed. As case study we consider Apophis' risk assessment for the 2036 and 2068 keyholes based on information available as of 2013. Within the framework of epistemic uncertainties, under the independence and non-correlation assumption, we assign parametric families of distributions to the physical properties of Apophis that define the Yarkovsky perturbation and in turn the future orbital evolution of the asteroid. We find ${\rm IP}\leq 5\times 10^{-5}$ for the 2036 keyhole and ${\rm IP}\leq 1.6\times 10^{-5}$ for the 2068 keyhole. These upper bounds are largely conservative choices due to the rather wide range of statistical distributions that we explored.
Ultra-bright entangled-photon pair generation from an AlGaAs-on-insulator microring resonator
Creators: name: Steiner, Trevor J.
name: Castro, Joshua E.
name: Chang, Lin
name: Dang, Quynh
name: Xie, Weiqiang
name: Norman, Justin
name: Bowers, John E.
name: Moody, Galan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Entangled-photon pairs are an essential resource for quantum information technologies. Chip-scale sources of entangled pairs have been integrated with various photonic platforms, including silicon, nitrides, indium phosphide, and lithium niobate, but each has fundamental limitations that restrict the photon-pair brightness and quality, including weak optical nonlinearity or high waveguide loss. Here, we demonstrate a novel, ultra-low-loss AlGaAs-on-insulator platform capable of generating time-energy entangled photons in a $Q$ $>1$ million microring resonator with nearly 1,000-fold improvement in brightness compared to existing sources. The waveguide-integrated source exhibits an internal generation rate greater than $20\times 10^9$ pairs sec$^{-1}$ mW$^{-2}$, emits near 1550 nm, produces heralded single photons with $>99\%$ purity, and violates Bell's inequality by more than 40 standard deviations with visibility $>97\%$. Combined with the high optical nonlinearity and optical gain of AlGaAs for active component integration, these are all essential features for a scalable quantum photonic platform.
description: 12 pages, 5 figures, 1 table
Advection of Magnetic Fields in Accretion Disks: Not So Difficult After All
Creators: name: Rothstein, David M.
name: Lovelace, Richard V. E.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We show that a large-scale, weak magnetic field threading a turbulent accretion disk tends to be advected inward, contrary to previous suggestions that it will be stopped by outward diffusion. The efficient inward transport is a consequence of the diffuse, magnetically-dominated surface layers of the disk, where the turbulence is suppressed and the conductivity is very high. This structure arises naturally in three-dimensional simulations of magnetorotationally unstable disks, and we demonstrate here that it can easily support inward advection and compression of a weak field. The advected field is anchored in the surface layer but penetrates the main body of the disk, where it can generate strong turbulence and produce values of alpha (i.e., the turbulent stress) large enough to match observational constraints; typical values of the vertical magnetic field merely need to reach a few percent of equipartition for this to occur. Overall, these results have important implications for models of jet formation which require strong, large-scale magnetic fields to exist over a region of the inner accretion disk.
description: 13 pages, 4 figures; accepted for publication in The Astrophysical Journal (v2: added references to papers by McKinney et al.)
Reducing the shear
Creators: name: White, Martin
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: As gravitational lensing measurements become increasingly precise, it becomes necessary to include ever higher order effects in the theoretical calculations. Here we show how the difference between the shear and the reduced shear manifest themselves in a number of commonly used measures of shear power. If we are to reap the science rewards of future, high precision measurements of cosmic shear we will need to include this effect in our theoretical predictions.
description: 9 pages, 5 figures. To appear in Astroparticle Physics
Undifferentiated intracardiac tumor
Creators: name: Felix, Francisco
name: Feitosa, Marta
name: Bezerra, Maria Da Conceição
name: Souza, Maria Ideleide
name: Oliveira, Márcia
name: Nádia Trompieri
name: Castro, Selma
Publisher: name: F1000Research
Year: 2015

description: Primary cardiac tumors occur rarily, except for atrial myxoma. Metastases are much more frequent. Among primary cardiac tumors, 75% are benign, and among these, 75% are atrial myxomas. Malignant tumors comprise many different types of soft tissue sarcomas, a rare occurrence. Cardiac tumors can produce symptoms due to obstruction of intracardiac blood flow, arrhythmias or pericardial effusion by local invasion, tumor embolization of the left chamber and systemic symptoms. The 2-D Doppler echocardiography (ECHO) and MRI are the most important tests for diagnosis and follow-up. The treatment involves surgical resection when possible and chemotherapy (CHT) to malignant tumors. The prognosis of malignant primary cardiac tumors is extremely poor, with few surviving cases. Here we report a case of a female child, 4 years old with dyspnea and fever for one month, admitted with congestive heart failure. ECHO showed lobular masses in right ventricle wall, body and outflow tract, with pericardial effusion. Chest computed tomography showed a neoplastic lesion in the myocardium extending to the anterior mediastinum and pulmonary metastasis. Biopsy of pulmonary nodules revealed undifferentiated round blue cell tumor with immunohistochemical positivity only for S-100 protein. CHT was started (VAC-IE), with favorable response, complete regression of metastases and partial regression of cardiac tumor. The patient completed planned schedule of CHT and imaging revealed persistence of intramural septal cardiac tumor. The patient has initiated salvage CHT. Malignant intracardiac tumors are rare and difficult to predict. In this case, we the tumor was found to have undetermined differentiation with S-100 protein expression, as in tumors of neuroectodermal lineage, raising the possibility of a soft tissue PNET.
PPQ-Trajectory: Spatio-temporal Quantization for Querying in Large Trajectory Repositories
Creators: name: Wang, Shuang
name: Ferhatosmanoglu, Hakan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: We present PPQ-trajectory, a spatio-temporal quantization based solution for querying large dynamic trajectory data. PPQ-trajectory includes a partition-wise predictive quantizer (PPQ) that generates an error-bounded codebook with autocorrelation and spatial proximity-based partitions. The codebook is indexed to run approximate and exact spatio-temporal queries over compressed trajectories. PPQ-trajectory includes a coordinate quadtree coding for the codebook with support for exact queries. An incremental temporal partition-based index is utilised to avoid full reconstruction of trajectories during queries. An extensive set of experimental results for spatio-temporal queries on real trajectory datasets is presented. PPQ-trajectory shows significant improvements over the alternatives with respect to several performance measures, including the accuracy of results when the summary is used directly to provide approximate query results, the spatial deviation with which spatio-temporal path queries can be answered when the summary is used as an index, and the time taken to construct the summary. Superior results on the quality of the summary and the compression ratio are also demonstrated.
description: To appear at VLDB 2021
Συμπράξεις δημοσίου ιδιωτικού τομέα στις αστικές μαζικές μεταφορές: Αρχές και πρακτική στην Ελλάδα και την Ε.Ε.
Creators: name: Σαμαράς, Χρήστος Παναγιώτη
Publisher: name: Aristotle University of Thessaloniki
Year: 2007
Subjects: ΣΔΙΤ
Αστικές μαζικές μεταφορές
Ε.Ε.
Δημόσιες συγκοινωνίες
Public Private Partnerships
Public Transport
Transport systems
E.U.

description: Είναι γενικά παραδεκτό ότι, στη σύγχρονη εποχή, το ποσοστό των κρατικών προϋπολογισμών που κατευθύνεται στις δημόσιες επενδύσεις βαίνει ολοένα και συρρικνούμενο. Καθίσταται έτσι αναγκαία, η εξεύρεση νέων χρηματοδοτικών μορφών για την υλοποίηση κοινωφελών έργων υποδομής.Μια από τις βέλτιστες λύσεις, που πρόσφατα τυγχάνει ευρείας εφαρμογής, εμφανίζεται υπό τη μορφή συμπράξεων δημόσιου και ιδιωτικού τομέα (Public Private Partnerships) που, εκτός των άλλων, έχει εφαρμογή και στον, ευρύτατο και ιδιαίτερης σημασίας στην οικονομική ανάπτυξη των χωρών, τομέα των μεταφορών. Με δεδομένο δε, το σπουδαίο ρόλο που διαδραματίζουν τα συστήματα Αστικών Μαζικών Μεταφορών, ως υποσύστημα μεταφορών, στα πλαίσια των οργανωμένων αστικών κοινωνιών, επηρεάζοντας, άμεσα η έμμεσα, την ποιότητα ζωής των πολιτών, έχει διαπιστωθεί ευρέως, και πάντως με σαφή τρόπο σε επίπεδο Ευρωπαϊκής Ένωσης, η ανάγκη αναμόρφωσής τους μέσω της πραγματοποίησης επενδύσεων.Οι συμπράξεις δημόσιου και ιδιωτικού τομέα λοιπόν, και ο ρόλος που αυτές δύνανται να διαδραματίσουν στην πορεία προς τα αποδοτικά και βιώσιμα συστήματα μεταφορών γενικά, αλλά και υποσυστήματα Αστικών Μαζικών Μεταφορών
description: Nowadays, the amount of government funds directed to public investments is constantly decreasing. This calls for implementation of new financial forms, as far as construction of new infrastructure is concerned.One of the best solutions, that is recently gaining ground, is presented under the form of cooperation between public and private sector (Public Private Partnerships) which concerns to all sections of public activity, including the wide and particularly important in a country's economic growth, transport sector. Given the important role that Public Transport, as a transport subsystem, has in organised urban societies, influencing the citizens' quality of life, the need for reformation via the realisation of investments has been widely, and explicitly in E.U. level, stated.Therefore, subject of the present thesis, is Public - Private Partnerships in Transport Systems in general, and specifically in Public Transport Systems, and their role in achieving efficient and sustainable mobility through investing in infrastructure.
Hahn, Udo, Annehmen und frei bleiben
Creators: name: Heidingsfeld, Uwe-Peter
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 45 Nr. 4 (1996): Ökumenische Rundschau, Band 45, Heft 4
Το αρχείο του Στίλπωνος Π. Κυριακίδη στο Λαογραφικό Μουσείο και Αρχείο της Φιλοσοφικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης. Κατηγοριοποίηση και ταξινόμηση του υλικού
Creators: name: Σουλούκος, Σωτήριος Χαραλάμπους
Publisher: name: Aristotle University of Thessaloniki
Year: 2007
Subjects: Κυριακίδης
Θρησκεία
Αλληλογραφία
Πανεπιστημιακές παραδόσεις
Kyriakides
Folklore
Archive
Religion
Correspondence
Academic presentations

description: Ο Στίλπων Π. Κυριακίδης (1887-1964) υπήρξε καθηγητής στην Εδφρα της Θρησκείας των Αρχαίων Ελλήνων, του ιδιωτικού αυτών Βίου και της Λαογραφίας" του Πανεπιστημίου Θεσσαλονίκης κατά την περίοδο 1926-1957. Το αρχείο του αποτελείται από χειρόγραφα και δακτυλογραφημένα δελτία και έγγραφα, τα οποία αφορούν σημειώσεις λαογραφικών κυρίως θεμάτων, αποδελτιώσεις βιβλίων, καθώς και βιβλιογραφία για διάφορα άλλα ζητήματα. Επιπλέον στο αρχείο περιλαμβάνονται οι σημειώσεις από τις Πανεπιστημιακές παραδόσεις των μαθημάτων του. Ακόμη, στο αρχείο υπάρχουν άρθρα του ιδίου που είχαν δημοσιευτεί σε εγκυκλοπαίδειες, καθώς και αρκετά αδημοσίευτα άρθρα. Τέλος στο αρχείο περιλαμβάνεται η αλληλογραφία του, που αφορά είτε προσωπικά, είτε επιστημονικά θέματα, όπως και ποικίλο προσωπικό υλικό.
description: Stilpon P. Kyriakides(1887-1964) was Professor of "Ancient Greek Religion, Ancient Greek Private Life and Folklore" at the University of Thessaloniki during the period 1926-1957. His archive is comprised by handwritten and typescript documents on which there are references about folklore subjects, indexes of books and bibliography. Furthermore, the archive consists of notes from his personal Academic presentations that took place at the University of Thessaloniki. Additionally, the archive is composed by articles that were published by Kyriakides at Greek encyclopedias as well as others that he intented to publish. Last but not least, his personal and scientific correspondence is included in the record as well as other personal documents.
Elicitation of verb paradigms from unpublished Goddard material
Creators: name: Parker, Verdena
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: hup

description: Audio file VP-130220-08: Verb paradigm elicitation based on unpublished material transcribed by P.E. Goddard (Bancroft Library CU-23.1 12.14.1, file 2184-12 (4).pdf).
NEOGLOBOQUADRINA ATLANTICA PRAEATLANTICA, NEW SUBSPECIESFROM LATE MIDDLE MIOCENE
Creators: name: M. FORESI, LUCA
name: M. IACCARINO, SILVIA
name: SALVATORINI, GIANFRANCO
Publisher: name: Università degli Studi di Milano
Year: 2002

description: A new subspecies of Neogloboquadrina atlantica atlantica previously reported under different names, is here distinguished and named Neogloboquadrina atlantica praeatlantica. Its first occurrence into the Mediterranean dated at 11.78 Ma, is not evolutionary appearance but is related to a global climatic cooling which pushed southwards from high latitude this taxon; however, the area of its evolutionary appearance is not clearly defined; its extinction occurs within the Globigerinoides obliquus extremus Zone. N. atlantica atlantica which evolves from N. atlantica praeatlantica occurs in the Mediterranean at 11.15 Ma, just after the Mediterranean exit of Paragloborotalia siakensis (Le Roy).
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 108, No 2
Διαχείριση της κυκλοφορίας και αντιμετώπιση έκτακτων περιστατικών σε αστικούς αυτοκινητόδρομους. Η περίπτωση της Θεσσαλονίκης
Creators: name: Νεντούδη, Βασιλική Αναστάσιου
Publisher: name: Aristotle University of Thessaloniki
Year: 2007
Subjects: Διαχείριση κυκλοφορίας
Αντιμετώπιση έκτακτων περιστατικών
Ευφυή συστήματα μεταφορών
Αυτοκινητόδρομος
Traffic management
Incident management
Intelligent transport systems
Highway

description: Τα ευφυή συστήματα μεταφορών μπορούν να βοηθήσουν στη βελτιστοποίηση της αποτελεσματικότητας του οδικού δικτύου μέσω της εφαρμογής σύγχρονων τεχνικών της κοινωνίας της πληροφορίας και της επικοινωνίας στο χώρο των μεταφορών. Επιχειρείται η σκιαγράφηση της πορείας σχεδιασμού και εφαρμογής ενός συστήματος διαχείρισης και ελέγχου της κυκλοφορίας σε αυτοκινητόδρομους και αντιμετώπισης έκτακτων περιστατικών.
description: ITS can help the effor of traffic management through the application of modern techniques of infromation society and communications in the transport area. The main objective of this study is the presentation of ITS. It is attempted to present the planning process and the application of traffic management systems and incident management systems.
LOS! - Leibniz goes Open Science!
Creators: name: Mueller, Stefanie
name: Scherp, Guido
Publisher: name: Zenodo
Year: 2024
Subjects: Open Science
workshop

description: Open Science is often discussed as an abstract concept but seldom contextualised within the current science system. Also, tools, best practices and laws to implement Open Science in one’s work routines are lacking, rarely addressed, or rapidly changing. “LOS!” (Leibniz Open Science!) is an online series that aims to promote Open Science and to inform about current developments related to Open Science within and beyond the Leibniz Association.

The poster shows examples of past LOS! events and links to their resources. It was presented at the Open Science festival 2024 in Mainz.
Multistage Random Growing Small-World Networks with Power-law degree Distribution
Creators: name: Liu, Jian-Guo
name: Dang, Yan-Zhong
name: Wang, Zhong-tuo
Publisher: name: arXiv
Year: 2005
Subjects: subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: In this paper, a simply rule that generates scale-free networks with very large clustering coefficient and very small average distance is presented. These networks are called {\bf Multistage Random Growing Networks}(MRGN) as the adding process of a new node to the network is composed of two stages. The analytic results of power-law exponent $γ=3$ and clustering coefficient $C=0.81$ are obtained, which agree with the simulation results approximately. In addition, the average distance of the networks increases logarithmical with the number of the network vertices is proved analytically. Since many real-life networks are both scale-free and small-world networks, MRGN may perform well in mimicking reality.
description: 3 figures, 4 pages
Βραχύ οδοντικό τόξο: επίπεδο ενημέρωσης, εμπειρία και απόψεις των οδοντιάτρων στην Ελλάδα
Creators: name: Μπόσνα, Συμεωνία Αθανασίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2006
Subjects: Βραχύ οδοντικό τόξο
Επίπεδο ενημέρωσης
Απόψεις οδοντιάτρων
Εμπειρία οδοντιάτρων
Εφαρμογή
Ελλάδα
Shortened Dental Arch
Knowledge
Experience of dentists
Attitudes of dentists
Greece
Application

description: Σκοπός της εργασίας ήταν να μελετηθούν το επίπεδο ενημέρωσης, οι απόψεις και η εμπειρία των οδοντιάτρων στην Ελλάδα σχετικά με το Βραχύ Οδοντικό Τόξο (BOT). Η συλλογή των πληροφοριών έγινε μέσω ερωτηματολογίου, το οποίο μοιράστηκε στο 25ο Πανελλήνιο Οδοντιατρικό Συνέδριο. Από ένα σύνολο 600 ερωτηματολογίων που μοιράστηκαν, 225 επιστράφηκαν συμπληρωμένα και κατάλληλα για ανάλυση. Το ποσοστό απάντησης ήταν 37.5%. Το 27% των οδοντιάτρων δηλώνει πλήρη άγνοια για την ιδέα του "βραχέως οδοντικού τόξου". Οι οδοντίατροι στην πληοψηφία του πιστεύουν πως το βραχύ οδοντικό τόξο έχει θέση στην καθημερινή κλινική πράξη και συμφωνούν με τα κριτήρια και τις αντενδείξεις που πρότεινε ο Kayser για την εφαρμογή του. Η εφαρμογή του ΒΟΤ είναι περιορισμένη σε σχέση με τη θεωρητική αποδοχή του. Το αποτέλεσμα της θεραπείας με βραχύ οδοντικό τόξο κρίνεται ικανοποιητικό από την πλειοψηφία των οδοντιάτρων και των ασθενών. Η καλύτερη ενημέρωση σχετίζεται με μεγαλύτερη συχνότητα πρότασης και εφαρμογής του ΒΟΤ στην κλινική πράξη
description: The aim of this study was to investigate the knowledge, experience and attitudes of dentists in Greece concerning the Shortened Dental ARch (SDA). Data aim of this study was to investigate the knowledge, experience and attitudes of dentists on Greece concerning the "Shortened Dental Arch"(SDA). Data were collected using a questionnaire, distributed during the 25th Hellenic Dental Congress. Among 600 questionnaires distributed, 225 were returned in a completed and suitable for analysis form. The response rate was 37.5%. 27% of the dentists had no awareness of SDA. Most of the dentists that SDA is a useful clinical modality and agree with the criteria and contraindications for application proposed by Kayser. The application of SDA in clinical practice is limited compared with the theoretical approval of this concept. The outcome of SDA treatment is satisfactory for the majority of dentists and patients. Better knowledge is associated with more frequent and application of SDA in clinical practice
Can Frustration Preserve a Quasi-Two-Dimensional Spin Fluid?
Creators: name: Maltseva, Marianna
name: Coleman, P.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Using spin-wave theory, we show that geometric frustration fails to preserve a two-dimensional spin fluid. Even though frustration can remove the interlayer coupling in the ground-state of a classical anti-ferromagnet, spin layers innevitably develop a quantum-mechanical coupling via the mechanism of ``order from disorder''. We show how the order from disorder coupling mechanism can be viewed as a result of magnon pair tunneling, a process closely analogous to pair tunneling in the Josephson effect. In the spin system, the Josephson coupling manifests itself as a a biquadratic spin coupling between layers, and for quantum spins, these coupling terms are as large as the inplane coupling. An alternative mechanism for decoupling spin layers occurs in classical XY models in which decoupled "sliding phases" of spin fluid can form in certain finely tuned conditions. Unfortunately, these finely tuned situations appear equally susceptible to the strong-coupling effects of quantum tunneling, forcing us to conclude that in general, geometric frustration cannot preserve a two-dimensional spin fluid.
description: 12 pages, 3 figures
Warning to the West : Russia’s competitive advantage in cryptocurrency mining from exploitable energy surpluses
Creators: name: Hodge, Lindsay Michelle
name: 0009-0002-9261-794X
Publisher: name: The University of Texas at Austin
Year: 2023
Subjects: Russia
Cryptocurrency
Proof-of-work mining
Competitive advantage
Sanctions evasion

description: As the war in Ukraine persists and global responses to Russian aggression continue to be inadequate, it is time Western policy makers, academics, and alike work preemptively to halt Russia’s progress in emerging financial systems that are set to afford them more normative power. This report seeks to use Porter’s Diamond Model of National Competitive Advantage to expose Russia’s competitive advantage in proof-of-work (P.O.W.) cryptocurrency mining and the government’s intent to exploit their war induced energy surpluses for such purposes. Without concerns of multicollinearity or additional biases, the quantitative data would suggest that Russia is the third most favorable country to mine P.O.W. cryptocurrencies, falling just behind Canada and Norway. Subsequent analysis related to the bill currently circulating in the Russian Duma, which will regulate P.O.W. cryptocurrency mining to serve state needs, suggests that the industry could provide multiple millions of dollars in state revenue and release millions of kilograms of CO2 into the atmosphere. The application of the described mixed-methods approach allowed the findings and recommendations to be communicated in a way that supports the existing and emerging literature on Russia’s oil and gas strategy, sanctions evasion and de-dollarization, cryptocurrency policy, and climate impact analysis
Resolved molecular line observations reveal an inherited molecular layer in the young disk around TMC1A
Creators: name: Harsono, Daniel
name: van der Wiel, Matthijs
name: Bjerkeli, Per
name: Ramsey, Jon
name: Calcutt, Hannah
name: Kristensen, Lars
name: Jørgensen, Jes
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Physical processes that govern the star and planet formation sequence influence the chemical composition and evolution of protoplanetary disks. To understand the chemical composition of protoplanets, we need to constrain the composition and structure of the disks from whence they are formed. We aim to determine the molecular abundance structure of the young disk around the TMC1A protostar on au scales in order to understand its chemical structure and any possible implications for disk formation. We present spatially resolved Atacama Large Millimeter/submillimeter Array observations of CO, $HCO^{+}$, HCN, DCN, and SO line emission, as well as dust continuum emission, in the vicinity of TMC1A. Molecular column densities are estimated both under the assumption of optically thin emission from molecules in LTE as well as through more detailed non-LTE radiative transfer calculations. Resolved dust continuum emission from the disk is detected between 220 and 260 GHz. Rotational transitions from HCO$^{+}$, HCN, and SO are also detected from the inner 100 au region. From the derived $HCO^{+}$ abundance, we estimate the ionization fraction of the disk surface and find values that imply that the accretion process is not driven by the magneto-rotational instability. The molecular abundances averaged over the TMC1A disk are similar to its protostellar envelope and other, older Class II disks. We meanwhile find a discrepancy between the young disk's molecular abundances relative to Solar System objects. Abundance comparisons between the disk and its surrounding envelope for several molecular species reveal that the bulk of planet-forming material enters the disk unaltered. Differences in HCN and $H_2 O$ molecular abundances between the disk around TMC1A, Class II disks, and Solar System objects trace the chemical evolution during disk and planet formation.
description: Accepted for publication on A&A; 15 pages, 13 figures