cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Matter and Dark Matter from False Vacuum Decay
Creators: name: Buchmuller, W.
name: Schmitz, K.
name: Vertongen, G.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study tachyonic preheating associated with the spontaneous breaking of B-L, the difference of baryon and lepton number. Reheating occurs through the decays of heavy Majorana neutrinos which are produced during preheating and in decays of the Higgs particles of B-L breaking. Baryogenesis is an interplay of nonthermal and thermal leptogenesis, accompanied by thermally produced gravitino dark matter. The proposed mechanism simultaneously explains the generation of matter and dark matter, thereby relating the absolute neutrino mass scale to the gravitino mass.
description: 13 pages, 3 figures ; v2: corrected typos, matches PLB published version
Gyrokinetic statistical absolute equilibrium and turbulence
Creators: name: Zhu, Jian-Zhou
name: Hammett, Gregory W.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: A paradigm based on the absolute equilibrium of Galerkin-truncated inviscid systems to aid in understanding turbulence [T.-D. Lee, "On some statistical properties of hydrodynamical and magnetohydrodynamical fields," Q. Appl. Math. 10, 69 (1952)] is taken to study gyrokinetic plasma turbulence: A finite set of Fourier modes of the collisionless gyrokinetic equations are kept and the statistical equilibria are calculated; possible implications for plasma turbulence in various situations are discussed. For the case of two spatial and one velocity dimension, in the calculation with discretization also of velocity $v$ with $N$ grid points (where $N+1$ quantities are conserved, corresponding to an energy invariant and $N$ entropy-related invariants), the negative temperature states, corresponding to the condensation of the generalized energy into the lowest modes, are found. This indicates a generic feature of inverse energy cascade. Comparisons are made with some classical results, such as those of Charney-Hasegawa-Mima in the cold-ion limit. There is a universal shape for statistical equilibrium of gyrokinetics in three spatial and two velocity dimensions with just one conserved quantity. Possible physical relevance to turbulence, such as ITG zonal flows, and to a critical balance hypothesis are also discussed.
description: Physics of Plasmas in press
Finding causal theories quickly enough - building a responsive Apperception Engine
Creators: name: Cloutier, Jean-François
Publisher: name: Zenodo
Year: 2023
Subjects: Machine learning
Robotics
Logic programming
Apperception
Kant
Prolog
Constraint Handling Rules

description: We describe the implementation of an Apperception Engine for use in a distributed cognitive architecture targeting Lego robots. An Apperception Engine applies symbolic machine learning to produce causal theories from short sequences of observations. The causal theories are small, human-readable logic programs that model an environment's latent generative processes and predict incoming observations. Finding these causal theories quickly is a difficult problem due to the size of the search space. We built an Apperception Engine that can infer good enough causal theories quickly enough to be useful to a robot actively engaging with its environment.
Massive virtual screening of small molecules for high-affinity ASGPR ligands in MoDEs
Creators: name: Lee, Ho-Joon
Publisher: name: Zenodo
Year: 2025

description: Presented at the “NAIRR Pilot Inaugural Annual Meeting” (NSF Award #2452148), Arlington, VA, USA, February 19-21, 2025. https://zenodo.org/communities/nairr2025
Visualisation of an entangled channel spin-1 system
Creators: name: Sirsi, Swarnamala
name: Adiga, Veena
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Co-variance matrix formalism gives powerful entanglement criteria for continuous as well as finite dimensional systems. We use this formalism to study a mixed channel spin-1 system which is well known in nuclear reactions. A spin-j state can be visualized as being made up of 2j spinors which are represented by a constellation of 2j points on a Bloch sphere using Majorana construction. We extend this formalism to visualize an entangled mixed spin-1 system.
description: 4 pages,4 figures
title: PERCUTANEOUS COLOR DECOMPRESSION IN ACUTE INTESTINAL OBSTRUCTION OF TUMOR GENESIS
Creators: name: Zakayev, Kamil Yu.
name: Zurnadzhyants, Victor A.
name: Kchibekov, Eldar A.
Publisher: name: Astrakhan State Medical University
Year: 2021

description: Abstract. The article describes a patented solution to the actual problem of abdominal surgery. The result was achieved by changing the two-channel tubular element to a three-channel tubular ele-ment consisting of a large channel to divert the contents of the intestine. The elastic drainage itself from the distal end is provided with an open tip and a puncture needle hidden in a tube-holder. In or-der to dilute the contents of the intestine, there is a middle channel for washing and diluting the con-tents of the intestinal lumen with an aqueous solution (Fortrans) and there is a large channel for its fur-ther aspiration and evacuation.
Key words: colonic obstruction, blockage of drainage, devices for colon drainage, patent.
Missing one-loop contributions in secondary gravitational waves
Creators: name: Chen, Chao
name: Ota, Atsuhisa
name: Zhu, Hui-Yu
name: Zhu, Yuhang
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We find several missing one-loop-order contributions in previous considerations about secondary gravitational waves induced at nonlinear order in cosmological perturbations. We consider a consistent perturbative expansion to third-order in cosmological perturbations, including higher-order interactions and iterative solutions ignored in the previous literature. Tensor fluctuations induced by the source with two scalar and one tensor perturbations are correlated with the first-order tensor fluctuation and thus give a one-loop-order correction to the tensor power spectrum. The missing loop correction is \textit{scale-invariant} and \textit{negative} in the superhorion region, which secondarily reduces the initial primordial tensor power spectrum prior to the horizon re-entry. Such an IR behavior is very different from the auto-spectrum of second-order induced tensor modes discussed in the previous literature and can be important for the actual gravitational wave measurements. For a sharp peak of scalar fluctuations with $A_ζ=10^{-2}$ at $k_*=10^{5}h/{\rm Mpc}$ motivated by the LIGO/Virgo events, we show that the tensor power spectrum at the cosmic microwave background scale reduces by at most 35%. Hence, the polarization B-mode might not be seen because of the reduction of the original tensor spectrum due to the secondary effect of primordial black hole formation.
description: 13 pages, 6 figures
A Phenomenological Model for the Quantum Capacitance of Monolayer and Bilayer Graphene Devices
Creators: name: Kliros, George S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Graphene nanostructures exhibit an intrinsic advantage in relation to the gate delay in three-terminal devices and provide additional benefits when operate in the quantum capacitance limit. In this paper, we developed a simple model that captures the Fermi energy and temperature dependence of the quantum capacitance for monolayer and bilayer graphene devices. Quantum capacitance is calculated from the broadened density of states taking into account electron-hole puddles and possible finite lifetime of electronic states through a Gaussian broadening distribution. The obtained results are in agreement with many features recently observed in quantum capacitance measurements on both gated monolayer and bilayer graphene devices. The temperature dependence of the minimum quantum capacitance around the charge neutrality point is also investigated.
description: 7 pages, 4 figures, to appear in Rom. J. Inf. Sci. Technol. Vol.11 (2011)
Geochronological and pressure-temperature record of a psammopelitic gneiss in the Upper Deck of the Tantato Domain, northern Saskatchewan, Canada
Creators: name: Lamming, Jaida Lynn
Publisher: name: University of British Columbia
Year: 2019

description: The Upper Deck of the Tantato Domain in Northern Saskatchewan is situated within the southern Snowbird Tectonic Zone, at the southeastern margin of the Rae Province. The terrane comprises Archean-aged granulite-grade sedimentary and felsic to mafic igneous rocks which have been pervasively migmatized and mylonitized. Geological mapping with the Saskatchewan Geological Survey in 2014 and 2015 documented four to five stages of deformation, outlined by differences in folding styles and orientations. This thesis was carried out to test for a record of these deformation events in a psammopelite, a major map unit in the Upper Deck, using U-Pb-Th dating of monazite and associated pressure-temperature history reconstruction. Detailed U-Pb Laser Ablation Split Stream – Multi-Collector – Inductively Coupled Plasma – Mass Spectrometer (LASS-MC-ICP-MS) age dating of monazite from a psammopelitic rock unit revealed four distinct age populations: 1) ca. 2600 Ma crystallization of source material, consistent with similarly aged plutonic rocks adjacent to the study area; 2) ca. 2550 to 2520 Ma, broadly coeval with the regionally important MacQuoid orogen and consistent with a recognized high-P event in the Upper Deck; 3) a previously unrecognized ca. 2500 to 2300 Ma spread of ages indicating growth during the Arrowsmith orogeny, and 4) ca. 2000 to 1900 Ma period of monazite rim growth consistent with the ages of the Taltson-Thelon orogen as well as reactivation of the Snowbird Tectonic Zone, and consistent with another recognized high-P event in the Upper Deck. These different age populations are interpreted to approximately correspond to the multiple generations of structures recognized during initial field work. Metamorphic phase equilibria modelling was used to outline a decompression pathway for an Upper Deck specimen from ~800 to 850°C and 1.0 to 1.4 GPa to ~750 to 800°C and 0.65 to 0.90 GPa, coeval with monazite rim growth from ca. 1950 to 1900 Ma. This decompression pathway is consistent with previous work that recognized a similar pathway followed by an eclogite hosted in the Upper Deck (Baldwin et al., 2007).
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐµÐ¼Ñ Ð¼Ð¾Ð´ÑÐ»ÐµÐ¹ Ð´Ð»Ñ Ð¿Ð¾Ð´Ð´ÐµÑÐ¶ÐºÐ¸ Ð¾Ð½Ð»Ð°Ð¹Ð½-ÐºÑÑÑÐ¾Ð² Ð¿Ð¾ ÑÐ°Ñ Ð¼Ð°ÑÐ°Ð¼ Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ Moodle
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of the Moodle based module system for the online chess courses support
Creators: name: ÐÐ¸Ð²Ð¾ÑÐ¾Ð²ÑÐºÐ°Ñ, ÐÐ½Ð°ÑÑÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: Ð¡ÐÐ
moodle
ÑÐ°Ñ Ð¼Ð°ÑÑ
Ð¿Ð»Ð°Ð³Ð¸Ð½Ñ moodle
LMS
chess
moodle plugins

description: ÐÐ°Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ñ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¿Ð»Ð°Ð³Ð¸Ð½Ð¾Ð² Ð´Ð»Ñ Ð¿Ð¾Ð´Ð´ÐµÑÐ¶ÐºÐ¸ ÑÐ°ÑÐ¼Ð°ÑÐ½ÑÑ Ð¾Ð½Ð»Ð°Ð¹Ð½-ÐºÑÑÑÐ¾Ð² Ð² ÑÐ¸ÑÑÐµÐ¼Ðµ Ð´Ð¸ÑÑÐ°Ð½ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ Moodle. ÐÐ²ÐµÐ´ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÐ°ÑÐ¼Ð°ÑÐ½ÑÐµ ÑÐµÑÐ¼Ð¸Ð½Ñ, Ð¸Ð·Ð»Ð¾Ð¶ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿Ñ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ ÑÐ°ÑÐ¼Ð°ÑÐ°Ð¼. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÑÐµÑÑÐ²ÑÑÑÐ¸Ñ Ð¡ÐÐ Ð¸ ÑÐ°ÑÐ¼Ð°ÑÐ½ÑÑ Ð¾Ð½Ð»Ð°Ð¹Ð½-ÑÐµÑÐ²Ð¸ÑÐ¾Ð². ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¾ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÑ Ð¡ÐÐ Moodle, Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ ÑÐ¾ÑÐ¼Ð°ÑÑ Ð²ÑÐ¾Ð´Ð½ÑÑ Ð¸ Ð²ÑÑÐ¾Ð´Ð½ÑÑ Ð´Ð°Ð½Ð½ÑÑ. ÐÐ° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° ÑÐ¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð° ÑÐ¸ÑÑÐµÐ¼Ð° Ð¿Ð»Ð°Ð³Ð¸Ð½Ð¾Ð² Ð¸ Ð²ÑÐ±ÑÐ°Ð½Ñ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ¸. Ð ÑÐ°Ð¼ÐºÐ°Ñ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ 3 Ð¼Ð¾Ð´ÑÐ»Ñ: Ð¿Ð»Ð°Ð³Ð¸Ð½ "chesspuzzle", ÑÐµÐ°Ð»Ð¸Ð·ÑÑÑÐ¸Ð¹ ÑÐ¸Ð¿ Ð²Ð¾Ð¿ÑÐ¾ÑÐ°; Ð¿Ð»Ð°Ð³Ð¸Ð½ "Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÑ ÑÑÑÐ½Ð¸ÑÐ°" Ð¸ Ð¼Ð¾Ð´ÑÐ»Ñ "ÐÐµÐºÑÐ¸Ñ". ÐÐ¾Ð´ÑÐ»Ð¸ Ð±ÑÐ»Ð¸ Ð¿ÑÐ¾ÑÐµÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¸ Ð°Ð¿ÑÐ¾Ð±Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð½Ð° ÑÑÐµÐ½Ð¸ÐºÐ°Ñ Ð¾ÑÐ´ÐµÐ»ÐµÐ½Ð¸Ñ ÑÐ°ÑÐ¼Ð°Ñ ÑÐ¿Ð¾ÑÑÐ¸Ð²Ð½Ð¾Ð¹ ÑÐºÐ¾Ð»Ñ. ÐÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ°Ñ Ð·Ð½Ð°ÑÐ¸Ð¼Ð¾ÑÑÑ Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð·Ð°ÐºÐ»ÑÑÐ°ÐµÑÑÑ Ð² ÑÐ°ÑÑÐ¸ÑÐµÐ½Ð¸Ð¸ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÐµÐ¹ Ð¾ÑÐºÑÑÑÐ¾Ð³Ð¾ Ð¾Ð½Ð»Ð°Ð¹Ð½-Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ñ.
description: The given work is dedicated to the development of the plugin system for the online chess courses support. The general chess concepts and learning principles are stated. Popular learning management systems and online chess courses were comparatively analysed. The research of Moodle LMS architecture was made, input and output data formats are stated. The plugin system was modelled and development tools were chosen based on the analysis. There were developed 3 modules within the system: "chesspuzzle" plugin which implements question type, "Tournament results" plugin and "Lecture" module. Modules were tested and piloted on chess department of sports school students. The practical significance of this work is to expand the capabilities of open online education.
Random field effects on the phase diagrams of spin-1/2 Ising model on a honeycomb lattice
Creators: name: Yüksel, Yusuf
name: Akıncı, Ümit
name: Polat, Hamza
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences
subject: 82B20

description: Ising model with quenched random magnetic fields is examined for single Gaussian, bimodal and double Gaussian random field distributions by introducing an effective field approximation that takes into account the correlations between different spins that emerge when expanding the identities. Random field distribution shape dependence of the phase diagrams, magnetization and internal energy is investigated for a honeycomb lattice with a coordination number q=3. The conditions for the occurrence of reentrant behavior and tricritical points on the system are also discussed in detail.
description: 7 pages, 9 figures
Superconducting Magnet System Concept with a Mechanical Energy Transfer in the Magnetic Field
Creators: name: Kashikhin, Vladimir
Publisher: name: arXiv
Year: 2022
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: There is an interest to design superconducting magnet systems working in a persistent current mode. These systems continuously generate magnetic field with disconnected power source working like permanent magnet devices. In this paper proposed a magnet system concept based on the direct mechanical energy transfer in the magnetic field. Short circuited superconducting coils do not have current leads and power source. To pump the mechanical energy in the superconducting coil used a magnetizer which magnetically coupled with the coil. The mechanical removing the magnetizer from the magnet induces a persistent current in the superconducting coil which generates the magnetic field. Iron dominated magnet system concept was investigated using OPERA3d code which confirmed a visibility of proposed approach.
Integrated Machine Learning for Protein Structures at Scale (IMPRESS)
Creators: name: Jha, Shantenu
Publisher: name: Zenodo
Year: 2025

description: Presented at the “NAIRR Pilot Inaugural Annual Meeting” (NSF Award #2452148), Arlington, VA, USA, February 19-21, 2025. https://zenodo.org/communities/nairr2025
HTS Dipole Magnet with a Mechanical Energy Transfer in the Magnetic Field
Creators: name: Kashikhin, Vladimir
name: Turrioni, Daniele
Publisher: name: arXiv
Year: 2022
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: There were designed and successfully tested at Fermilab several high temperature superconducting (HTS) model magnets for particle accelerators. Some of them worked in a persistent current mode continuously generating magnetic field in the iron dominated magnet gap. In the paper was investigated a novel HT dipole magnet concept with a mechanical energy transfer in the magnetic field. To pump the energy in the superconducting HTS dipole magnet used a detachable magnetizer. The HTS dipole magnet was build and successfully tested at a liquid nitrogen temperature. Discussed the magnet design, test results, the proposed approach limits, and efficiency.
title: ÐÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ñ Ð»Ð¾Ð³Ð¸ÑÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð½Ð° ÑÐºÐ»Ð°Ð´Ð°Ñ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸ ÐÐÐ Â«Metro Cash&CarryÂ»
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Organization of the logistics system in the warehouses of the company "Metro Cash&Carry" LLC
Creators: name: ÐÐ¾ÑÑÑ, ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: Ð»Ð¾Ð³Ð¸ÑÑÐ¸ÐºÐ°
ÑÐºÐ»Ð°Ð´
ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÑ
ÑÐ¸ÑÑÐµÐ¼Ð°
Ð¼Ð¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸Ñ
Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ Ð»Ð¾Ð³Ð¸ÑÑÐ¸ÐºÐ¸
ÐºÑÐ¾ÑÑ-Ð´Ð¾ÐºÐ¸Ð½Ð³
logistics
warehouse
efficiency
system
modernization
logistics problems
cross-docking

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ ÐºÐ»ÑÑÐµÐ²ÑÐµ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ Ð»Ð¾Ð³Ð¸ÑÑÐ¸ÐºÐ¸ ÑÐºÐ»Ð°Ð´Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¸ Ð½Ð°Ð¹ÑÐ¸ Ð¿ÑÑÐ¸ Ð¸Ñ ÑÐµÑÐµÐ½Ð¸Ñ. ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½ Ð¿Ð¾ÑÑÐ´Ð¾Ðº Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¸ ÑÐºÐ»Ð°Ð´ÑÐºÐ¸Ñ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ñ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ°Ð¼Ð¸ Ð»Ð¾Ð³Ð¸ÑÑÐ¸ÐºÐ¸ Ñ Ð¿Ð¾ÑÐ»ÐµÐ´ÑÑÑÐµÐ¹ Ð¾ÑÐµÐ½ÐºÐ¾Ð¹ Ð¸Ñ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸. ÐÐ°Ð½Ð° ÐºÑÐ°ÑÐºÐ°Ñ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ° Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ ÐÐÐ Â«Metro Cash&CarryÂ». ÐÑÐµÐ½ÐµÐ½Ð° ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÑ Ð»Ð¾Ð³Ð¸ÑÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð½Ð° ÑÐºÐ»Ð°Ð´Ð°Ñ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸ ÐÐÐ Â«Metro Cash&CarryÂ». Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð¼ÐµÑÑ Ð¿Ð¾ Ð¼Ð¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² ÑÐºÐ»Ð°Ð´ÑÐºÐ¾Ð¹ Ð»Ð¾Ð³Ð¸ÑÑÐ¸ÐºÐ¸ Ð² ÐÐÐ Â«Metro Cash&CarryÂ».
description: This paper describes the key problems of warehousing logistics and find ways to solve them. The procedure for organizing warehouse processes with elements of logistics has been determined, followed by an assessment of their effectiveness. A brief description of the activities of the company LLC "Metro Cash & Carry" is given. Evaluated the efficiency of the logistics system at the warehouses of Metro Cash & Carry LLC. Measures have been developed to modernize warehouse logistics processes at Metro Cash & Carry LLC.
Assessment and  Modelling  of  Malaria  outbreak (the  case  study of Arba  Minch  area)
Creators: name: Arbaminch
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2009

description: Assessment and  Modelling of  Malaria outbreak
(the  case  study  of Arba  Minch  area)
The  impact  of  climate  and  other  environmental  changes  on  population  health  poses
radical  challenges  to  scientists.  A  fundamental  characteristic  of  this  topic  was  the
persistent  combination  of  complexity  and  uncertainty.  This  thesis  seeks  to  identify  the
nature  and  scope  of  the  problem,  and  to  explore  the  conceptual  and  methodological
approaches  to  studying  these  qualitative  and  quantitative  relationships,  modelling  their
future  realization,  providing  estimates  of  health  impacts,  and  communicating  the
attendant  uncertainties.  Climate  has  been  established  as  an  important  determinant  in  the
distribution  of  vectors  and  pathogens.  The  purpose  of  this  case  study  was  to  seek  out
relationships  between  the  global  and  local  climatic  variables,  which  currently  best
describe  malaria  outbreak.  So,  climate  data,  malaria morbidity  data  and  different  oceanic
and  atmospheric  indices  were  used to  explore  the  temporal  and  spatial  climatic  pattern  in
terms  of  the  annual  and  seasonal  outlook  with  respect  to  increasing/decreasing  trend
regarding  malaria prevalence.  The  correlation  analyses  between  seasonal  rainfall  of  Arba
Minch area  and  climatic  parameters  such  as  local  and  global  oceanic-atmospheric  indices
showed  significant  relationship  with  seasonal  rainfall  of  the  area  in  addition  to  ENSO.
Forecasting  of March to  May  (MAM)  and  September  to  November  (SON)  seasons  using
climatic  parameters  was  also  possible  with  reasonable  skill  of  at  the  area.  The  stepwise
multiple linear regression  method was used to  develop  the  forecasting model.  In  addition,
the  analyses  done  using  SYSTAT  8 . 0  software  in  the  development  of malaria  outbreak
predictive  model  on  which  stepwise  multiple  linear  regressions  was  employed  to
screening  potential  predictors.  The  malaria  outbreak  model  was  used  to  show  the
predictability  of  malaria incidence  before  occurrence  with  certain  skill  at  Arba Minch and
showed  a  factor  of  12.5%  in  extent  that  climate  has  to  force  malaria.  Therefore,  user
tailored  seasonal  climate  early  warning  information  is  very  critical  for  malaria  outbreak over the  study  area.
A THESIS  SUBMITTED  TO  THE SCHOOL  OF  GRADUATE  STUDIES,  ARBA  MINCH UNIVERSITY
Creators: name: Mequanint Tenaw Asress
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2008

description: Land  degradation  is  a  series  threat  in  the  Ethiopian  high  lands  in  general  and  in  Gumara
watershed  in  particular  reflected  in  the  form  of soil  erosion  and  soil  fertility  decline.  Sheet
and  rill  erosion  are  considerably  the  most  widespread  accelerated  water  erosion  and  their
combined  effect  significantly affect  agricultural  production  and  productivity.
The  objective  of  the  study  is  to  predict  sediment  yield  and  runoff,  to  identify  spatial
distribution  of  sediment  source  areas  and  propose  high  impact  management  options  to
control  soil  erosion  and  sedimentation  problems  in  Gumara watershed.
SWAT  (Soil  and  Water  Assessment  Tool)  was  employed  for  modeling  runoff  and
sediment  yield  in  Gumara  watershed  .The  model  was  calibrated  and  validated  against
measured  flow  and  sediment  data.  Both  calibration  and  validation  i-�;ults  showed  good
,·
match  between  measured  and  simulated  flow  and  suspended  sediment.
The  model  prediction  result  indicated  that  about  72  %  of the  Gumara  watershed  is  erosion
potential  area  contributing  high  sediment  yield  exceeding  the  tolerance  limit  (soil
formation  rate)  in  the  study  area.  Out  of 30  sub  watersheds,  18 of the  sub  watersheds  were
found  to  be  critical  contributing  high  sediment  yield  with  an  average  annual  sediment  load
ranging  from 11  to  22  ton/ha/yr.  The  result  of  the  model  was  verified  by  detail  field
observation  that  sub  watersheds  with  average  annual  sediment  yield  exceeding  the
tolerable  limit  were  identified  as  high  erosion  source  area  which  additionally justifies  the
model's  ability  to  replicate  the  erosion  processes  in  the  watershed.  After  calibration  and
validation  of  SWAT  model,  the  impacts  of  watershed  management  interventions  were
tested  to  reduce  sediment  loads  from  critical  sub  watersheds.  The  simulation  result
indicated  that  implementing  vegetation  filter  strip  can  reduce  sediment  yield  by  58  to  74 percen
Forming Habitable Planets around Dwarf Stars: Application to OGLE-06-109L
Creators: name: Wang, Su
name: Zhou, Ji-Lin
Publisher: name: arXiv
Year: 2010
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Dwarf stars are believed to have small protostar disk where planets may grow up. During the planet formation stage, embryos undergoing type I migration are expected to be stalled at inner edge of magnetic inactive disk ($a_{\rm crit} \sim 0.2-0.3 ~$AU). This mechanism makes the location around $a_{\rm crit}$ a sweet spot of forming planets. Especially, $a_{\rm crit}$ of dwarf stars with masses $\sim 0.5 M_\odot$ is roughly inside the habitable zone of the system. In this paper we study the formation of habitable planets due to this mechanism with a model system OGLE-06-109L. It has a $0.51 M_\odot$ dwarf star with two giant planets in 2.3 and 4.6 AU observed by microlensing. We model the embryos undergoing type I migration in the gas disk with a constant disk accretion rate ($\dot M$). Giant planets in outside orbits affect the formation of habitable planets through secular perturbations at the early stage and secular resonance at the later stage. We find that the existence and the masses of the habitable planets in OGLE-06-10L system depend on both $\dot M$ and the speed of type I migration. If planets formed earlier so that $\dot M$ is larger ($\sim 10^{-7} M_\odot $ yr$^{-1}$), terrestrial planet can not be survived unless the type I migration rate is an order of magnitude less. If planets formed later so that $\dot M$ is smaller ($\sim 10^{-8} M_\odot $ yr$^{-1}$), single and high mass terrestrial planets with high water contents ($\sim 5% $) will be formed by inward migration of outer planet cores. A slower speed migration will result in several planets by collisions of embryos, thus their water contents are low ($\sim 2%$). Mean motion resonances or apsidal resonances among planets may be observed if multiple planets survived in the inner system.
description: 10 pages, 9 figures, accepted by ApJ
METEOROLOGICAL DROUGHT ANALYSIS BASED ON  HISTORICAL RAIN  FALL DAT  A  IN FIVE ZONES OF EASTERN  AMHARA REGIONAL STATE
Creators: name: ATAKILT TEKA ALEMAYEHU
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2008

description: Agricultural  production  in  Ethiopia  is  predominantly  rain  fed.  However,  rain  fall  in
the  country  is  erratic  and  unreliable  that  can  cause  meteorological  drought.
Meteorological  drought  is  a  period  of  insufficient  rainfall  and  quite often  a  natural
hazard  seriously  damages  agricultural  production  and  water  resources.  The
eastern five zones of Am hara  region  are part of this problem.
The  aim  of  this  study  is  to  understand  the  rainfall  variation  and  conduct  detail
analysis  of meteorological  drought  using  drought  characteristics  index.  This  can
provides  reliable  and  detail  information  for  planners  and  decision  makers  to
address  the  current  drought  conditions  in  historical  perspective.  Standardized
Precipitation  Index  (SPI) was  selected  to  characterize  drought  condition  in  the
study  area.  SPI  require  only  rain  fall  as  input  data  for  its  calculation  of  different
time  scales  (2,  3,  6 and  12 months).  It  has  a  power  to  result five  major drought
characteristics duration,  intensity,  severity, magnitude and frequency. The analysis was made using data of on  34  rain gauge stations  located  inside the
study  area  for  the  years1962  to  2007.  The  result  obtained  shows  unreliable
distribution  and  different  amount  of  rain  fall  which  caused  different  intensity  of
drought. The deficient  rain water for 53-85% of the area with  probability of 0.1-0.2
occurrence  and  3-6  years  spell  for  Kiremt  in1982,  1984,  and  1987 was  affected
by  drought.  During  the  Belg  for more  than  74%  of  the  area were  under drought
with  probability of  0.1  - 0.2  and  spell  of  3-10 years  in  1984  and  1999. The  year
1984 was  severe  drought year for  both  seasons  for more  than  82%  of  the  area.
In  the  analysis made  Belg  rain  fall was  highly sensitive  and  variable  than  Kiremt
and other time scales for the whole years. The  rainfall  over  the  study  area  is  highly variable with  in  the zone  than  between
zones. The map of SPl-3K  (Kiremt) and  SPl-3B  (Belg) show that a spatial  extent
of  meteorological  drought  over  the  study  area  was  irregular  for  the  recent decades  1998 to  2007. This shows  that the  area  is drought prone  and vulnerable
to  meteorological drought which  requires appropriate management measures.
ANALYSIS OF DRY SPELLS AND ITS IMPACT ON THE YIELDS OF MAIZE AND  WHEAT CROPS, IN HADIYA ZONE, SNNPRS, ETHIOPIA
Creators: name: GETACHEW HAILE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2016

description: This study is  focus on the analysis of dry spell and  its impacts of the yields of maize and wheat
crops in Hadiya zone, southern Ethiopia. The study area is geographically located between 7.010

to 7.6o
 N and 37.2o
  to 38.1o
E and 2307m above sea level. Statistical analysis was made using
coefficient of variation (CV), precipitation concentration index (PCI), standardized anomaly
index (SAI), standardize precipitation index (SPI), Markov chain order one (Instat v+3.36),
Multiple regression model and bias correction methods to assess the climate of study area over
last three decades,  predicting  future  climate and  to find out their  impact on  productivity of
selected crops. Accordingly, the rainfall in the area was characterized by alteration of wet and
dry years. Dry years recorded as low as 60.65% below the long term average. Maize and Wheat
production show considerably relation with the rainfall of main rainy season. Three RCP future
climate scenarios, RCP2.6, RCP4.5 and RCP8.5 of future periods (2015-2100) dynamically
downscaled data were obtained from CORDEX-Africa, and then bias corrected for study area.
The changes in the status of the climate between the baseline period and the three future
scenarios were recognized. The study revealed that in the case of bias correction average annual
rainfall is going to increase by 28.26% and 0.56% in 2020s, for RCP2.6 and RCP8.5 scenarios
respectively, but it will be decreased by 15.5% using RCP4.5 in the same period. Dry spell years
of the baseline period and the future scenarios were identified using SPI (standardized
precipitation index) and used to estimate the impacts on percentage yield losses of maize and
wheat using multiple regression model and INSTAT  software v+3.36. The results investigated
that dry spells will become less frequent and more severe for RCP4.5 less frequent and moderate
for both RCP2.6 and RCP8.5 scenarios relative to dry spell of the baseline (1988-2014). The
analysis generally indicated that the occurrence of prolonged dry spell will have higher yield
loss impacts on Maize with the percent loss of 21% in the observed period and 40.6% for the
future.   And medium impact on Wheat with the percent loss of 17% in the observed period as
well as 18.7% for the future emission scenarios will be indicated. So that the farmers of the area
should  adjust the future farming system in  different techniques  such as using the small scale
irrigation in the suitable areas, also by using different soil and water management techniques
and by arranging the planting time of selected crops.
ASSESSMENT OF CLIMATE CHANGE AND VARIABILTY EFFECTS ON  CROP YIELD: A CASE STUDY IN WOLAYTA ZONE SNNPR, ETHIOPIA.
Creators: name: NIGATU KALSE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2015

description: This study reviews the impact of climate change and variability on crop production mainly
on rain fed agriculture in Wolayta Zone. In all nine stations daily climate data were collected
from NMSA and aggregated to monthly.  The monthly rainfall was  varied and  distributed
moderately on annual and seasonal basis  in all stations. The occasion of onset dates are
slightly increasing (delaying) for both stations toward the recent years. The end dates of the
growing season were decreasing at Wolayta station and very slightly increasing at Bilate
station. The interannual variability of length of growing season for both the stations was low.
In both  the  stations, the dry spell length probability of longer than 5, 7 and 10 days were
decreasing from the starting date of the growing season to the middle of Belg  season and
increasing towards  the end of Belg Season.  SDSM  is applied in order to downscale the
climate variables at the station level. Under A2 scenario, SDSM indicates an increase in the
mean monthly precipitation by 2%, 6%, and 15% in 2020s, 2050s and 2080s respectively,
while under  B2 scenario it  indicates by 3%, 5% and 11% in 2020s,  2050s and 2080s
respectively. Under A2 scenario, the monthly maximum temperature is projected to increase
by 1.4°C, 1.8°C and 3.7°C in 2020s, 2050s and 2080s respectively, while under B2 scenario
the increase will be 0.1°C, 1.0°C and 2.6°C in 2020s, 2050s and 2080s relative to baseline
period. Agricultural model AquaCrop was used to model the effect of changing climate. The
simulated yield of the selected crops in study area  under projected climate showed a
decrease from baseline without considering the effect of CO2 fertilization and increase from
baseline by considering the effect of CO2  fertilization. The average reduction in the yield of
Maize under changing climate elements (i.e. temperature and precipitation) were noticed as
15% and 12% for A2 and B2 scenarios respectively. Similarly the Barley average yield
reduction perceived in the same aspect of climate under A2 and B2 scenarios are 18% and
15% respectively in the future tri-thirty (90 years) time period. On the other hand under the
combined effect of changing climate and CO2  fertilization the simulated yield of selected
crops showed an increase from baseline. The average increments of Maize and Barley yield
over the total period of 90 years, with CO2 fertilization effect under both A2 and B2
scenarios was evaluated as 3.3% and 2.3% , and 3.6% and 2.2% for investigated crops and
scenarios respectively.
Development of Natural Language Processing Techniques to Improve Students' Revision of Evidence Use in Argument Writing
Creators: name: Liu, Zhexiong
Publisher: name: Zenodo
Year: 2025

description: Presented at the “NAIRR Pilot Inaugural Annual Meeting” (NSF Award #2452148), Arlington, VA, USA, February 19-21, 2025. https://zenodo.org/communities/nairr2025
Radiative transitions from Upsilon(5S) to molecular bottomonium
Creators: name: Voloshin, M. B.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The heavy quark spin symmetry implies that in addition to the recently observed Z(10610) and Z(10650) molecular resonances with $I^G=1^+$ there should exist two or four molecular bottomonium-like states with $I^G=1^-$. Properties of these G-odd states are considered, including their production in the radiative transitions from Upsilon(5S), by applying the same symmetry to the Upsilon(5S) resonance and the transition amplitudes. The considered radiative processes can provide a realistic option for observing the yet hypothetical states.
description: 8 pages
Schrödinger cat states of a 16-microgram mechanical oscillator
Creators: name: Bild, Marius
name: Fadel, Matteo
name: Yang, Yu
name: von Lüpke, Uwe
name: Martin, Phillip
name: Bruno, Alessandro
name: Chu, Yiwen
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The superposition principle is one of the most fundamental principles of quantum mechanics. According to the Schrödinger equation, a physical system can be in any linear combination of its possible states. While the validity of this principle is routinely validated for microscopic systems, it is still unclear why we do not observe macroscopic objects to be in superpositions of states that can be distinguished by some classical property. Here we demonstrate the preparation of a mechanical resonator with an effective mass of 16.2 micrograms in Schrödinger cat states of motion, where the constituent atoms are in a superposition of oscillating with two opposite phases. We show control over the size and phase of the superposition and investigate the decoherence dynamics of these states. Apart from shedding light at the boundary between the quantum and the classical world, our results are of interest for quantum technologies, as they pave the way towards continuous-variable quantum information processing and quantum metrology with mechanical resonators.
Perfect Microwave Photodetection in Circuit QED
Creators: name: Peropadre, B.
name: Romero, G.
name: Johansson, G.
name: Wilson, C. M.
name: Solano, E.
name: García-Ripoll, J. J.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this work we propose a microwave photon detector which successfully reaches 100% efficiency with only one absorber. Our design consists of a metastable quantum circuit coupled to a semi-infinite transmission line which performs highly efficient photodetection in a simplified manner as compared to previous proposals. We extensively study the scattering properties of realistic wavepackets against this device, thereby computing the efficiency of the detector. We find that the detector has many operating modes, can detect detuned photons, is robust against design imperfections and can be made broadband by using more than one absorbing element in the design.
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð³Ð¸Ð´ÑÐ°Ð²Ð»Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿Ð¾Ð´ÑÐµÐ¼Ð½Ð¸ÐºÐ° Ð´Ð»Ñ Ð¿ÐµÑÐµÐ¼ÐµÑÐµÐ½Ð¸Ñ Ð»ÑÐ´ÐµÐ¹ Ñ Ð¾Ð³ÑÐ°Ð½Ð¸ÑÐµÐ½Ð½ÑÐ¼Ð¸ ÑÐ¸Ð·Ð¸ÑÐµÑÐºÐ¸Ð¼Ð¸ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑÐ¼Ð¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of a hydraulic lift for the displacement of people with physical disabilities
Creators: name: Ð¥Ð°ÑÐ°Ð¼Ð¸Ð»ÑÐ¾ Ð¤Ð¾Ð½ÑÐµÐºÐ°, ÐÐµÐ½ÑÐ°Ð¼Ð¸Ð½
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: Ð³Ð¸Ð´ÑÐ°Ð²Ð»Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¿Ð¾Ð´ÑÐµÐ¼Ð½Ð¸Ðº
ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾
Ð¿ÐµÑÐµÐ¼ÐµÑÐµÐ½Ð¸Ðµ
Ð¿Ð¾Ð´ÑÐµÐ¼Ð°
Ð´Ð¾Ð¼ÐºÑÐ°Ñ
Ð³Ð¸Ð´ÑÐ°Ð²Ð»Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð½Ð°ÑÐ¾Ñ
Ð»ÑÐ´Ð¸ Ñ Ð¾Ð³ÑÐ°Ð½Ð¸ÑÐµÐ½Ð½ÑÐ¼Ð¸ ÑÐ¸Ð·Ð¸ÑÐµÑÐºÐ¸Ð¼Ð¸ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑÐ¼Ð¸
Ð¸Ð½Ð²Ð°Ð»Ð¸Ð´Ñ
Ð¼ÐµÑÐ¾Ð´ ÐºÐ¾Ð½ÐµÑÐ½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² (ÐÐÐ­)
ÑÑÐ°ÑÐ¸ÐºÐ°
Ð´ÐµÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ
Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ðµ
Ð¿Ð¾Ð´ÑÐµÐ¼Ð½ÑÐ¹ Ð¼ÐµÑ Ð°Ð½Ð¸Ð·Ð¼
hydraulic lift
device
displacement
lifting
jack
hydraulic pump
people with physical disabilities
handicapped people
finite element method (FEM)
static
deformations
stresses
lifting mechanism

description: Ð¦ÐµÐ»Ñ Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ â ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð³Ð¸Ð´ÑÐ°Ð²Ð»Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾
Ð¿Ð¾Ð´ÑÐµÐ¼Ð½Ð¸ÐºÐ° Ð´Ð»Ñ Ð¿ÐµÑÐµÐ¼ÐµÑÐµÐ½Ð¸Ñ Ð»ÑÐ´ÐµÐ¹ Ñ Ð¾Ð³ÑÐ°Ð½Ð¸ÑÐµÐ½Ð½ÑÐ¼Ð¸ ÑÐ¸Ð·Ð¸ÑÐµÑÐºÐ¸Ð¼Ð¸
Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑÐ¼Ð¸.
Ð Ð°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐµ Ð³Ð¸Ð´ÑÐ°Ð²Ð»Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿Ð¾Ð´ÑÐµÐ¼Ð½Ð¸ÐºÐ° Ð¸ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ
Ð°Ð½Ð°Ð»Ð¸Ð·Ð° ÑÑÐ°ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÐ°ÑÑÐµÑÐ¾Ð², Ð¿Ð¾Ð·Ð²Ð¾Ð»ÑÑÑÐ¸Ñ Ð½Ð°Ð¹ÑÐ¸ Ð²ÑÑÐ¾ÐºÐ¾Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð½ÑÐµ Ð¼ÐµÑÑÐ° Ð¸
Ð´ÐµÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¸ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸ Ð¿ÑÐ¸ Ð½Ð°Ð³ÑÑÐ·ÐºÐµ 200ÐºÐ³, Ð²ÑÑÐ²Ð¸ÑÑ Ð½ÐµÐ´Ð¾ÑÑÐ°ÑÐºÐ¸, ÐºÐ¾ÑÐ¾ÑÑÐµ
Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼Ð¾ Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°ÑÑ.
description: The purpose of the final qualifying work is the development of a hydraulic lift for
the displacement of people with physical disabilities.
The work is devoted to the development of a hydraulic lift to perform analysis on
statics and simulations, which will allow to find highly stressed places and
deformations of the structure under a load of 200 kg, specifically, shortcomings will
be optimized.
title: DETOXIFICATION PROPERTIES OF CERTAIN ENTEROSORBENTS IN ESCHE-RICHIOSE PERITONITIS IN RATS
Creators: name: Zhidovinov, Alexei A.
name: Chukarev, Vladislav S.
Publisher: name: Astrakhan State Medical University
Year: 2021

description: Abstract. An experimental study of the influence of various enterosorbents on the course of Escherichiosis peritonitis in rats was carried out. The greatest effect of enterosorption was achieved with the enteral administration of enterodesis, created on the basis of low molecular weight polyvi-nylpyrrolidone (molecular weight 12,600 daltons) and Fortrans (PEG-4000).
Key words: Escherichiosis peritonitis, modeling in rats, influence of enterosorbents.
Effects of strong fringing magnetic fields on turbulent thermal convection
Creators: name: Bhattacharya, Shashwat
name: Boeck, Thomas
name: Krasnov, Dmitry
name: Schumacher, Jörg
Publisher: name: arXiv
Year: 2022
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We study the influence of fringing magnetic fields on turbulent thermal convection in a horizontally extended rectangular domain. The magnetic field is created in the gap between two semi-infinite planar magnetic poles, with the convection layer located near the edge of the gap. We employ direct numerical simulations in this setup for fixed Rayleigh and small Prandtl numbers, but vary the fringe-width by controlling the gap between the magnetic poles and the convection cell. The magnetic field generated by the magnets is strong enough to cease the flow in high magnetic flux region of the convection cell. We observe that as the local vertical magnetic field strength increases, the large scale structures become thinner and align themselves perpendicular to the longitudinal sidewalls. We determine the local Nusselt and Reynolds numbers as functions of the local Hartmann number (based on the vertical component of the magnetic field) and estimate the global heat and momentum transport. We show that the global heat transport decreases with increasing fringe-width for strong magnetic fields but increases with increasing fringe-width for weak magnetic fields. In the regions of large vertical magnetic fields, the convective motion becomes confined to the vicinity of the sidewalls. The amplitudes of these wall modes show a non-monotonic dependence on the fringe-width.
description: 29 pages, 18 figures
Stationary two-black-hole configurations: A non-existence proof
Creators: name: Neugebauer, Gernot
name: Hennig, Jörg
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Based on the solution of a boundary problem for disconnected (Killing) horizons and the resulting violation of characteristic black hole properties, we present a non-existence proof for equilibrium configurations consisting of two aligned rotating black holes. Our discussion is principally aimed at developing the ideas of the proof and summarizing the results of two preceding papers (Neugebauer and Hennig, 2009 [29], Hennig and Neugebauer, 2011 [12]). From a mathematical point of view, this paper is a further example (Meinel et al., 2008 [22]) for the application of the inverse ("scattering") method to a non-linear elliptic differential equation.
description: 27 pages, 1 figure
Achieving one-dimensionality with attractive fermions
Creators: name: Chevy, F
name: Orso, G
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: In this article we discuss the accuracy of effective one-dimensional theories used to describe the behavior of ultracold atomic ensembles confined in quantum wires by a harmonic trap. We derive within a fully many-body approach the effective Hamiltonian describing this class of systems and we calculate the beyond-mean field corrections to the energy of the ground state arising from virtual transitions towards excited state of the confining potential. We find that, due to the Pauli principle, effective finite-range corrections are one of magnitude larger than effective three-body interactions.By comparing to exact solutions of the purely 1D problem, we conclude that a 1D effective theory provides a good description of the ground state of the system for a rather large range of interaction parameters.
How the Charge Can Affect the Formation of Gravastars
Creators: name: Chan, R.
name: da Silva, M. F. A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In recent work we physically interpreted a special gravastar solution characterized by a zero Schwarzschild mass. In fact, in that case, none gravastar was formed and the shell expanded, leaving behind a de Sitter or a Minkowski spacetime, or collapsed without forming an event horizon, originating what we called a massive non-gravitational object. This object has two components of non zero mass but the exterior spacetime is Minkowski or de Sitter. One of the component is a massive thin shell and the other one is de Sitter spacetime inside. The total mass of this object is zero Schwarzschild mass, which characterizes an exterior vacuum spacetime. Here, we extend this study to the case where we have a charged shell. Now, the exterior is a Reissner-Nordström spacetime and, depending on the parameter $ω=1-γ$ of the equation of state of the shell, and the charge, a gravastar structure can be formed. We have found that the presence of the charge contributes to the stability of the gravastar, if the charge is greater than a critical value. Otherwise, a massive non-gravitational object is formed for small charges.
description: 17 pages and 7 figures, several typos corrected, accepted for publication in JCAP
Physics-driven Deep Learning Inversion for Direct Current Resistivity Survey Data
Creators: name: Liu, Bin
name: Pang, Yonghao
name: Jiang, Peng
name: Liu, Zhengyu
name: Liu, Benchao
name: Zhang, Yongheng
name: Cai, Yumei
name: Liu, Jiawen
Publisher: name: arXiv
Year: 2022
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: The direct-current (DC) resistivity method is a commonly used geophysical technique for surveying adverse geological conditions. Inversion can reconstruct the resistivity model from data, which is an important step in the geophysical survey. However, the inverse problem is a serious ill-posed problem that makes it easy to obtain incorrect inversion results. Deep learning (DL) provides new avenues for solving inverse problems, and has been widely studied. Currently, most DL inversion methods for resistivity are purely data-driven and depend heavily on labels (real resistivity models). However, real resistivity models are difficult to obtain through field surveys. An inversion network may not be effectively trained without labels. In this study, we built an unsupervised learning resistivity inversion scheme based on the physical law of electric field propagation. First, a forward modeling process was embedded into the network training, which converted the predicted model to predicted data and formed a data misfit to the observation data. Unsupervised training independent of the real model was realized using the data misfit as a loss function. Moreover, a dynamic smoothing constraint was imposed on the loss function to alleviate the ill-posed inverse problem. Finally, a transfer learning scheme was applied to adapt the trained network with simulated data to field data. Numerical simulations and field tests showed that the proposed method can accurately locate and depict geological targets.
Advancing Autonomous Triage: Carnegie Mellon's Innovations Powered by the NAIRR Pilot
Creators: name: Elenberg, Kimberly
Publisher: name: Zenodo
Year: 2025

description: Presented at the “NAIRR Pilot Inaugural Annual Meeting” (NSF Award #2452148), Arlington, VA, USA, February 19-21, 2025. https://zenodo.org/communities/nairr2025