cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Convective dissolution of CO$_2$ in 2D and 3D porous media: the impact of hydrodynamic dispersion
Creators: name: Dhar, Jayabrata
name: Meunier, Patrice
name: Nadal, François
name: Méheust, Yves
Publisher: name: arXiv
Year: 2021
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Convective dissolution is the process by which CO$_2$ injected in deep geological formations dissolves into the aqueous phase, which allows storing it perennially by gravity. The process results from buoyancy-coupled Darcy flow and solute transport. Proper theoretical modeling of the process should consider in the transport equation a diffusive term accounting for hydrodynamics (or, mechanical) dispersion, with an effective diffusion coefficient that is proportional to the local interstitial velocity. A few two-dimensional (2D) numerical studies, and three-dimensional (3D) experimental investigations, have investigated the impact of hydrodynamic dispersion on convection dynamics, with contradictory conclusions. Here, we investigate systematically the impact of the dispersion strength $S$ (relative to molecular diffusion), and of the anisotropy $α$ of its tensor, on convective dissolution in 2D and 3D geometries. We use a new numerical model and analyze the solute fingers' number density (FND), penetration depth and maximum velocity; the onset time of convection; the dissolution flux in the quasi-constant flux regime; the mean concentration of the dissolved CO2; and the scalar dissipation rate. The efficiency of convective dissolution over long times is observed to be mostly controlled by the onset time of convection. For most natural porous media ($α= 0.1$), the onset time is found to increase as a function of $S$, in agreement with previous experimental findings and in stark contrast to previous numerical findings. However, if $α$ is sufficiently large this behavior is reversed. Furthermore, results in 3D are fully consistent with the 2D results on all accounts, except that in 3D the onset time is slightly smaller, the dissolution flux in the quasi-constant flux regime is slightly larger, and the dependence of the FND on the dispersion parameters is impacted by $Ra$.
description: 30 pages, 18 figures
A Cosmological Underdensity Does Not Solve the Hubble Tension
Creators: name: Castello, Sveva
name: Högås, Marcus
name: Mörtsell, Edvard
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A potential solution to the Hubble tension is the hypothesis that the Milky Way is located near the center of a matter underdensity. We model this scenario through the Lemaître-Tolman-Bondi formalism with the inclusion of a cosmological constant ($Λ$LTB) and consider a generalized Gaussian parametrization for the matter density profile. We constrain the underdensity and the background cosmology with a combination of data sets: the Pantheon Sample of type Ia supernovae (both the full catalogue and a redshift-binned version of it), a collection of baryon acoustic oscillations data points and the distance priors extracted from the latest Planck data release. The analysis with the binned supernovae suggests a preference for a $-13 \%$ density drop with a size of approximately 300 Mpc, interestingly matching the prediction for the so-called KBC void already identified on the basis of independent analyses using galaxy distributions. The constraints obtained with the full Pantheon Sample are instead compatible with a homogeneous cosmology and we interpret this radically different result as a cautionary tale about the potential bias introduced by employing a binned supernova data set. We quantify the level of improvement on the Hubble tension by analyzing the constraints on the B-band absolute magnitude of the supernovae, which provides the calibration for the local measurements of $H_0$. Since no significant difference is observed with respect to an analogous fit performed with a standard $Λ$CDM cosmology, we conclude that the potential presence of a local underdensity does not resolve the tension and does not significantly degrade current supernova constraints on $H_0$.
description: 24 pages, 5 figures; v2 slightly updated to match published version in JCAP
Cometary dust analogues for physics experiments
Creators: name: Lethuillier, A.
name: Feller, C.
name: Kaufmann, E.
name: Becerra, P.
name: Hänni, N.
name: Diethelm, R.
name: Kreuzig, C.
name: Gundlach, B.
name: Blum, J.
name: Pommerol, A.
name: Kargl, G.
name: Kührt, E.
name: Capelo, H.
name: Haack, D.
name: Zhang, X.
name: Knollenberg, J.
name: Molinski, N. S.
name: Gilke, T.
name: Sierks, H.
name: Tiefenbacher, P.
name: Güttler, C.
name: Otto, K. A.
name: Bischoff, D.
name: Schweighart, M.
name: Hagermann, A.
name: Jäggi, N.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The CoPhyLab (Cometary Physics Laboratory) project is designed to study the physics of comets through a series of earth-based experiments. For these experiments, a dust analogue was created with physical properties comparable to those of the non-volatile dust found on comets. This "CoPhyLab dust" is planned to be mixed with water and CO$_2$ ice and placed under cometary conditions in vacuum chambers to study the physical processes taking place on the nuclei of comets. In order to develop this dust analogue, we mixed two components representative for the non-volatile materials present in cometary nuclei. We chose silica dust as representative for the mineral phase and charcoal for the organic phase, which also acts as a darkening agent. In this paper, we provide an overview of known cometary analogues before presenting measurements of eight physical properties of different mixtures of the two materials and a comparison of these measurements with known cometary values. The physical properties of interest are: particle size, density, gas permeability, spectrophotometry, mechanical, thermal and electrical properties. We found that the analogue dust that matches the highest number of physical properties of cometary materials consists of a mixture of either 60\%/40\% or 70\%/30\% of silica dust/charcoal by mass. These best-fit dust analogue will be used in future CoPhyLab experiments.
LYRA II: Cosmological dwarf galaxy formation with inhomogeneous Population III enrichment
Creators: name: Gutcke, Thales A.
name: Pakmor, Rüdiger
name: Naab, Thorsten
name: Springel, Volker
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the simulation of a $2\times10^9 M_\odot$ halo mass cosmological dwarf galaxy run to $z=0$ at 4 solar mass gas resolution with resolved supernova feedback. We compare three simple subgrid implementations for the inhomogeneous chemical enrichment from Population III stars and compare them to constraints from Local Group dwarf galaxies. The employed model, LYRA, is a novel high resolution galaxy formation model built for the moving mesh code AREPO, which is marked by a resolved multi-phase interstellar medium, single stars and individual supernova events. The resulting reionization relic is characterized by a short ($<1.5$ Gyr) star formation history that is repeatedly brought to a standstill by violent bursts of feedback. Star formation is reignited for a short duration due to a merger at $z\approx4$ and then again at $z\approx0.2-0$ after sustained gas accretion. Our model $z=0$ galaxy matches the stellar mass, size, stellar kinematics and metallicity relations of Local Group dwarf galaxies well. The dark matter profile does not exhibit a core in any version of the model. We show that the host halo masses of Population III stars affect the assembly history of dwarf galaxies. This manifests itself through the initial gaseous collapse in the progenitor halos, affecting the central density of the stellar component and through the accretion of luminous substructure.
description: 15 pages, 13 figures, published in MNRAS
Sonnenfleckenzeichnung Nr. 13178.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.11.1935, erstellt von William Otto Brunner
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1935

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zugeordnete numerische Werte wurden in einer separat geführten, chronologischen Tabelle erfasst. Unter Umständen sind tabellarisch notierte Werte, die für Protuberanzen mit rot geschrieben wurden, direkt auf der Fleckenzeichnung vermerkt
description: ETH-Bibliothek
Sonnenfleckenzeichnung Nr. 13174.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 22.11.1935, erstellt von William Otto Brunner
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1935

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zugeordnete numerische Werte wurden in einer separat geführten, chronologischen Tabelle erfasst. Unter Umständen sind tabellarisch notierte Werte, die für Protuberanzen mit rot geschrieben wurden, direkt auf der Fleckenzeichnung vermerkt
description: ETH-Bibliothek
From galactic bars to the Hubble tension: weighing up the astrophysical evidence for Milgromian gravity
Creators: name: Banik, Indranil
name: Zhao, Hongsheng
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Astronomical observations reveal a major deficiency in our understanding of physics $-$ the detectable mass is insufficient to explain the observed motions in a huge variety of systems given our current understanding of gravity, Einstein's General theory of Relativity (GR). This missing gravity problem may indicate a breakdown of GR at low accelerations, as postulated by Milgromian dynamics (MOND). We review the MOND theory and its consequences, including in a cosmological context where we advocate a hybrid approach involving light sterile neutrinos to address MOND's cluster-scale issues. We then test the novel predictions of MOND using evidence from galaxies, galaxy groups, galaxy clusters, and the large-scale structure of the Universe. We also consider whether the standard cosmological paradigm ($Λ$CDM) can explain the observations and review several previously published highly significant falsifications of it. Our overall assessment considers both the extent to which the data agree with each theory and how much flexibility each has when accommodating the data, with the gold standard being a clear $a~priori$ prediction not informed by the data in question. Our conclusion is that MOND is favoured by a wealth of data across a huge range of astrophysical scales, ranging from the kpc scales of galactic bars to the Gpc scale of the local supervoid and the Hubble tension, which is alleviated in MOND through enhanced cosmic variance. We also consider several future tests, mostly on scales much smaller than galaxies.
description: 87 pages, 37 figures, 6 tables, 864 references. Invited review published in special issue of Symmetry, style matched to that of journal as closely as possible
Observing hyperfine interactions of NV centers in diamond in an advanced quantum teaching lab
Creators: name: Yang, Yang
name: Vallabhapurapu, Hyma H.
name: Sewani, Vikas K.
name: Isarov, Maya
name: Firgau, Hannes R.
name: Adambukulam, Chris
name: Johnson, Brett C.
name: Pla, Jarryd J.
name: Laucht, Arne
Publisher: name: arXiv
Year: 2021
Subjects: subject: Physics Education (physics.ed-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The negatively charged nitrogen-vacancy (NV$^-$) center in diamond is a model quantum system for university teaching labs due to its room-temperature compatibility and cost-effective operation. Based on the low-cost experimental setup that we have developed and described for the coherent control of the electronic spin (Sewani et al.), we introduce and explain here a number of more advanced experiments that probe the electron-nuclear interaction between the \nv electronic and the \NN~and \CC~nuclear spins. Optically-detected magnetic resonance (ODMR), Rabi oscillations, Ramsey fringe experiments, and Hahn echo sequences are implemented to demonstrate how the nuclear spins interact with the electron spins. Most experiments only require 15 minutes of measurement time and can, therefore, be completed within one teaching lab.
description: Extension of the teaching lab experiments described in Sewani et al., Coherent control of NV centers in diamond in a quantum teaching lab. American Journal of Physics 88, 1156 (2020). https://doi.org/10.1119/10.0001905
Solfangere belyst ved matematik
Creators: name: Sørensen, Andreas Gram
name: Nissen, Casper Vestergaard
name: Nørregaard, Jacob Stilling
name: Kristensen, Jens Steemann
name: Tidemann, Lasse
name: Wrang, Søren
name: Schmidt, Carsten
name: Ørbæk, Connie
Publisher: name: Grøn Dyst 2010
Year: 2010

description: This Project uses mathematical methods to analyse solar collectors. There are made some assumptions to make things easier but without too many changes it can easily be made more realistic. The project ends up with a couple of methods for finding the total energy intake of a solar collector. Some of the methods are easier to handle but harder to calculate. Finally the project analyses some examples that relate to the real life and it also optimizes some different cases for maximum energy intake per area of the solar collector.
title: Transport across the crop wall in Helix aspersa
Creators: name: Stenhouse, John
Publisher: name: University of Glasgow
Year: 1995
Subjects: subject: Plant sciences.

description: This project was carried out to elucidate the ion transport properties of the crop of Helix aspersa. An examination was made of each of the following; changes in ion concentrations; the effects of inhibitors; and glucose and amino acid transport. Short circuit current and transepithelial resistance were measured in order to achieve this. The major findings of the study were: The most unusual feature of the crop epithelium is the fact that the short circuit current (SCC) could be either positive or negative under standard control conditions. After a period of stabilisation, under standard bathing conditions, the crop was found to have a transepithelial potential difference that could be either positive or negative with respect to the basal side. The mean transepithelial resistance, under standard bathing conditions, was 67.9 (+/-3.1) ohm cm2 (n=158). The magnitude of the mean resting potential difference, short circuit current and resistance were consistent with those of a classic "leaky" epithelium. Sodium was required for the maintenance of a large transepithelial potential difference. The SCC became significantly more negative when potassium was removed from both sides, or from the apical side only. Upon the substitution of chloride on both sides of the tissue there was a significant change in the sec, with the basal side becoming more positive. The removal of magnesium was tested under sodium free as well as sodium plus chloride free condition as control. Calcium removal was tested under standard and sodium plus chloride free conditions. Ouabain, which has been universally accepted as inhibiting the Na+/K+ATPase, was highly effective when added basally at a concentration of 10mM. Piretanide, a loop diuretic related to the compounds furosemide and bumetanide, is also an inhibiter of Na+/K+/2C1- co-transport. Use of sodium thiocyanate, an inhibitor of chloride transport, resulted in the basal side becoming significantly more positive only when added basally. There was no significant change in the SCC when added apically. The crop epithelium seems to have potassium conductance channels on both sides of the tissue. The barium ion is a known inhibitor of potassium channels and when it was added to each side of the tissue in turn the SCC changed significantly. Amiloride made the SCC significantly more negative when added at a concentration of 0.5mM to the apical side of the epithelium. The crop epithelium has the ability to transport organic substances, for example D-glucose and glycine. D-glucose and glycine used different carriers, these having different saturation concentrations. There was no competitive inhibition taking place, as was illustrated by the outcome of the addition of firstly a maximal concentration of either D-glucose or glycine apically and then of the other substrate apically, which brought about a further change in the short circuit current. (Abstract shortened by ProQuest.).
Solar Tree (Out of competition)
Creators: name: Knott, Arnold
name: Lund, Dorthe H.
name: Andersen, Thomas
name: Dandanell, Jens Martin
Publisher: name: Grøn Dyst 2010
Year: 2010

description: The combination of art, green energy and environment was the motivation for building a “solar tree”. The tree consists of a mechanical basis built of construction steel surrounded by the wood of a real tree. The branches of a real tree, fixed to the trunk are holding seven big artificial leaves. On top of them, we mounted solar cells, which are capable of delivering energy to a power outlet, installed in the trunk of the tree. On a sunny day, the guests of Roskilde Festival 2010, can expect around 150 W to charge their mobile phones, shave, cool beer, etc.
Sonnenfleckenzeichnung Nr. 13205.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 30.12.1935, erstellt als weitere Tagesaufnahme von Friedrich Buser in der privaten Beobachtungsstation im Prätschli in Arosa
Creators: name: Buser, Friedrich
Publisher: name: [s.n.]
Year: 1935

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der privaten Beobachtungsstation Prätschli in Arosa, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: 15-cm-Zeiss-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Unter Umständen sind tabellarisch notierte Werte, die für Protuberanzen mit rot geschrieben wurden, direkt auf der Fleckenzeichnung vermerkt
description: ETH-Bibliothek
Sonnenfleckenzeichnung Nr. 13201.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 25.12.1935, erstellt von William Brunner, Assistent
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1935

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der Eidgenössischen Sternwarte Zürich, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: Kern-Merz-Refraktor.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zugeordnete numerische Werte wurden in einer separat geführten, chronologischen Tabelle erfasst. Unter Umständen sind tabellarisch notierte Werte, die für Protuberanzen mit rot geschrieben wurden, direkt auf der Fleckenzeichnung vermerkt
description: ETH-Bibliothek
Solar Powered Stirling Engine
Creators: name: Hyldig, Jesper
name: Oxbøl, Jesper
name: Hvid, Niels
name: Andersen, Stefan Høngaard
name: Thorup, Thor
name: Meyer, Knud Erik
name: Carlsen, Henrik
Publisher: name: Grøn Dyst 2010
Year: 2010

description: A Stirling Engine is an external combustion engine that can run on many different heat sources. The Stirling Engine has the capability to produce power from both bio-fuels and focused sun rays, thus making it a viable green technology. In our project, A Fresnel lens is utilized to direct the rays of the sun onto the heat exchanger of the Stirling Engine. The Fresnel lens is advantageous to a standard lens as it, due to its unique design, is lightweight and transportable, just like a simple sheet of plastic.
Thematische Materialsammlung zum klassischen Altertum: Antiqui III - Verwandtschaftsnamen
Creators: name: Bachofen, Johann Jakob
Publisher: name: [s.n.]
Year: 1872

description: Johann Jakob Bachofen
description: Blatt mit Seiten 81a/81b ist eingefügt und mit einer Stecknadel an Seite 81 befestigt
description: Öffentliche Bibliothek der Universität Basel
description: Deutsch
description: Französisch
description: Beilage gefunden zwischen Seiten 16 und 17
Apparent spot areas in millionths of the solar disk 1967; Scheinbare Flecken-Flächen in Millionsteln der Sonnenscheibe 1967, erhoben durch die Mitarbeiter der Eidgenössischen Sternwarte, mittels Beobachtungen in Zürich und Locarno, erstellt von W. Scheidegger, F. Riesen, A. Zelenka, J. Dürst, S. Cortesi, A. Pittini
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1967

description: Handschriftlich ausgefüllte Tabelle (Vordruck), verwendet für tägliche Werte, wobei Fläche in mm2 x 20.372. Methode: Projektionsbild, Sonnendurchmesser 25cm.
Von der Sternwarte Zürich unter Max Waldmeier geführt und direkt nach den Fleckenzahlen von A. Pittini ins Jahresregister 1967 eingeordnet
description: ETH-Bibliothek
Provisional daily Zurich Relative Sunspot Numbers (Rprov.; Rz [prov.]) 1967; Provisorische Relativzahlen der Sonnenflecken 1967.
Tabellenblatt (1) mit Häufigkeitszahlen der täglichen Sonnenfleckenaktivität 1967, erstellt und ergänzt als provisorische Übersicht u.a. durch Max Waldmeier, Eidgenössische Sternwarte Zürich
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1967

description: Handschriftlich ausgefüllte Tabelle (Vordruck) für die täglichen Gruppenzahlen g und für die täglichen Fleckenzahlen f 1967 sowie bearbeitet für die provisorische Jahresübersicht 1967 mit täglichen Sonnenfleckenrelativzahlen R.
Tabelle, die Waldmeiers Beobachtungen für Arosa und für Zürich (8cm, 64fache Vergrösserung) ausweist (inkl. tiefgestellt Wert für Bildqualität), die Beobachtungen in Locarno (L) einbezieht, nachweist, wann ein Wert interpoliert wurde, und mit A angibt, ob eine auswärtige Beobachtung verwendet wurde. Die üblicherweise notierte Legende dazu fehlt allerdings.
Von Max Waldmeier geführt und als Blatt Nr. 1 ins Jahresregister 1967 eingeordnet.
Publikation der Daten: Diese erfolgte zeitgenössisch in maschinenschriftlichen, monatlichen Ausgaben als "Sunspot-Bulletin" (im Bestand nicht überliefert), aber auch gedruckt, beispielsweise für Mai in: Journal of Geophysical Research, Vol. 72, 1967, Nr. 19, S. 4951, Rz = letzte Spalte der Tabelle, https://doi.org/10.1029/JZ072i019p04951 (ab S. 4951 Geomagnetic and Solar Data), kommentiert in Anm. 7 mit: "Dependent on observations at Zürich Observatory and its stations at Locarno and Arosa"
description: ETH-Bibliothek
Sonnenfleckenzeichnung unnummeriert, einen Zürcher Lückentag ergänzend.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 23.12.1935, erstellt von James Peter Rowland am Stonyhurst Observatory in Lancashire
Creators: name: Sternwarte Stonyhurst Observatory am Stonyhurst College in Lancashire
Publisher: name: [s.n.]
Year: 1935

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung am Stonyhurst Observatory in Lancashire, später ergänzt mit einer kleinen Tabelle für die Auszählung der Flecken nach ihrer Verteilung auf Abschnitte der sichtbaren Sonnenhälfte, nach Quadrant bzw. nach Halbkugel (N, S, W, E). Instrument: unbekannt.
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen
description: ETH-Bibliothek
Megachile Latreille 1802
Creators: name: Sardar, Sayan
name: Warrit, Natapot
name: Rameshkumar, A.
name: Kazmi, S. I.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Megachilidae
Megachile

description: Genus Megachile Latreille, 1802
I. Subgenus Aethomegachile Engel & Baker, 2006
description: Published as part of Sardar, Sayan, Warrit, Natapot, Rameshkumar, A. & Kazmi, S. I., 2021, New distributional records of Megachile Latreille, 1802 (Apoidea: Megachilidae) from Indian States, pp. 23-29 in Records of the Zoological Survey of India 121 (1) on page 23, DOI: 10.26515/rzsi/v121/i1/2021/154515, http://zenodo.org/record/10913819
D4.1: Diagnostics of existing policies
Creators: name: Viaggi, Davide
name: Kurtsal, Yaprak
name: Sirri, Rubina
Publisher: name: Zenodo
Year: 2022
Subjects: Education and training policies
Agri-food and forestry
Diagnostics of the policy framework

description: This report assesses the existing EU and non-EU policy instruments (with main reference to existing formal education and life-long skills development programmes), and analyses the gaps present in the actual educational policy framework and suggests potential improvement tools. The task is based on a pan-EU survey of actors in the research and education system, involving judgments about the effectiveness of existing policies and their interaction as well as gaps, which has paved the way for providing a diagnostics of the existing policies, and will contribute further to the proposition of effective strategies. A special focus was given to the role of policies in the context of information transmission among different actors in the research and education system and the role of education policies in this context. References to success stories and needs for the future are also added, in order to make the survey able to contribute to the further tasks. The work builds on synergies with the work performed in WP1 and WP3.
Single Cell Protein from Landfill Gas
Creators: name: Babi, Deenesh
name: Price, Jason
name: Woodley, Prof. John
Publisher: name: Grøn Dyst 2010
Year: 2010

description: Municipal solid waste (MSW) landfills are one of the largest human-generated sources of methane emissions in the United States and other countries globally. Methane is believed to be a very potent greenhouse gas that is a key contributor to global climate change, over 21 times stronger than CO2. Methane also has a short (10-year) atmospheric life. Because methane is both potent and short-lived, reducing methane emissions from MSW landfills is one of the best ways to achieve a near-term beneficial impact in mitigating global climate change. The United States Environmental Protection Agency estimates that a landfill gas (LFG) project will capture roughly 60-90% of the methane emitted from the landfill, depending on system design and effectiveness. The captured methane can be then purified and used for industrial applications, as in this case the production of SCP. Utilizing methane in this way decreases its demand from fossil fuels which is its traditional source.
38 Briefe an Johann Caspar Lavater
Creators: name: Meyer von Schauensee, Franz Bernhard
Publisher: name: [s.n.]
Year: 1785

description: von Fr[anz] Bern[hard] Meyer von Schauensee
description: Nr. 176 ist ein Auszug aus Nr. 190, Nr. 212 aus Nr. 211
description: Meyer: Meyer von Schauensee Sohn; Landvogt; Justizminister
Parameterising continuum level Li-ion battery models & the LiionDB database
Creators: name: Wang, A. A.
name: O'Kane, S. E. J.
name: Planella, F. Brosa
name: Houx, J. Le
name: O'Regan, K.
name: Zyskin, M.
name: Edge, J.
name: Monroe, C. W.
name: Cooper, S. J.
name: Howey, D. A.
name: Kendrick, E.
name: Foster, J. M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: The Doyle-Fuller-Newman framework is the most popular physics-based continuum-level description of the chemical and dynamical internal processes within operating lithium-ion-battery cells. With sufficient flexibility to model a wide range of battery designs and chemistries, the framework provides an effective balance between detail, needed to capture key microscopic mechanisms, and simplicity, needed to solve the governing equations at a relatively modest computational expense. Nevertheless, implementation requires values of numerous model parameters, whose ranges of applicability, estimation, and validation pose challenges. This article provides a critical review of the methods to measure or infer parameters for use within the isothermal DFN framework, discusses their advantages or disadvantages, and clarifies limitations attached to their practical application. Accompanying this discussion we provide a searchable database, available at www.liiondb.com, which aggregates many parameters and state functions for the standard Doyle-Fuller-Newman model that have been reported in the literature.
FedHe: Heterogeneous Models and Communication-Efficient Federated Learning
Creators: name: Hin, Chan Yun
name: Edith, Ngai
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: FOS: Computer and information sciences

description: Federated learning (FL) is able to manage edge devices to cooperatively train a model while maintaining the training data local and private. One common assumption in FL is that all edge devices share the same machine learning model in training, for example, identical neural network architecture. However, the computation and store capability of different devices may not be the same. Moreover, reducing communication overheads can improve the training efficiency though it is still a challenging problem in FL. In this paper, we propose a novel FL method, called FedHe, inspired by knowledge distillation, which can train heterogeneous models and support asynchronous training processes with significantly reduced communication overheads. Our analysis and experimental results demonstrate that the performance of our proposed method is better than the state-of-the-art algorithms in terms of communication overheads and model accuracy.
Scheduling home applications to reduce energy consumption
Creators: name: Rossello-Busquet, Ana
name: Iversen, Villy Bæk
Publisher: name: Grøn Dyst 2010
Year: 2010

description: In order to optimize the energy production, users should avoid consuming energy at the same time to avoid energy demand peaks. This can be achieved by setting a maximum energy consumption per user’s house. In other words, the overall consumption of the user’s appliances cannot exceed the maximum kwh. This project will study how home appliances tasks can be scheduled to not exceed this maximum consumption by using priorities.
title: Crossmedia in der journalistischen Praxis
Creators: name: Breyl, Lisa
name: Löwen, Christine
Publisher: name: Universität Salzburg
Year: 2015
Subjects: subject: 300 Social Sciences
subject: Crossmedia
subject: Konvergenz
subject: Unternehmenskultur
subject: Newsroom
subject: crossmediale Nachrichtenproduktion

description: Crossmedia dient als Strategie zur redaktionellen Umstrukturierung. Es stellt sich die
            Frage, ob sich die journalistische Praxis an Crossmedia angepasst hat. Die
            Forschungsergebnisse zeigen, dass sich alle untersuchten Redaktionen im Prozess der
            Umstrukturierung befinden. Die größte Herausforderung der Zusammenführung von
            Print- und Onlineredaktionen liegt in den kulturellen Unterschieden der beiden
            Redaktionen. Ziel einer crossmedial arbeitenden Redaktion ist es, diese kulturelle
            Kluft aufzuheben. Durch die Einführung eines Newsroom-Konzepts kann dieses Ziel
            umgesetzt werden.
description: Crossmedia provides a strategy for the restructuring process of editorial offices. It
                raises the question, if journalistic practice adopts to the concept of Crossmedia. Our
                research has shown that all of the editorial offices, which have been surveyed, are
                currently in a restructuring process in order to introduce convergent journalism in
                their editorial offices. However, crossmedia tends to fail because of the lacking
                acceptance of a new business culture. The challenge of combining the print and online
                editorial offices, is to overcome the existing cultural differences. Adopting the concept
                of a Newsroom could resolve those differences and therefore achieve the objective of
                implementing crossmedia in editorial offices.
Observations of daily sunspots provided by cooperating amateur-astronomers 1967; Tabellenblätter Sonnenbeobachtungen (41) - (65) 1967, mit täglich bestimmten Häufigkeitszahlen der Sonnenfleckenaktivität 1967, erhoben durch Privat-Astronomen, von der Eidgenössischen Sternwarte Zürich unter Max Waldmeier verwendet als Ergänzung für die Berechnung der definitiven Sonnenfleckenrelativzahlen, erstellt von H. A. Luft, A. Barner, W. Malsch, F. Kipp, J. Planas-Tort, H.-J. Bruns, U. Seliger, G. Stemmler, W. Szymanski, I. Toborek, J. Ulanowicz, B. Polesny, P. Kunaver, J. Costas, M. Serinanell, J. M. Alfaras, J. Oliver, I. Montanya, J. Sacasas, E. Mané u. E. Taules, A. Vidal, H. Arber, Ananai-an Observatories, R. Capdeville Celis, M. L. L. Vasquez
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1967

description: Handschriftlich ausgefüllte Tabellen (in Vordruck) für die gemeldeten Gruppenzahlen g und für die Fleckenzahlen f bzw. manchmal nur für auswärtige Relativzahlen R' sowie für den Reduktionsfaktor k auf die Wolfsche Einheit.
Werte in die Registerblätter (41) - (65) eingetragen für die Fleckenbeobachtungen von Privat-Astronomen, die bei ihren Bestimmungen unterschiedliche Methoden (manchmal angegeben) anwandten.
Nr. 41: H. A. Luft, New York.
Nr. 42: A. Barner, Wien.
Nr. 43: W. Malsch, Karlsruhe.
Nr. 44: Friedrich Kipp, Raidwangen üb. Nürtingen. 50fache Vergrösserung.
Nr. 45: J. Planas-Tort, Karlsruhe.
Nr. 46: Hans-Joachim Bruns, Hannover. Methode: visuell, 65fache Vergrösserung.
Nr. 47: Ursula Seliger, Dresden.
Nr. 48: Gerhard Stemmler, Oelsnitz. Methode: visuell, 42fache Vergrösserung.
Nr. 49: W. Szymanski, Dabrowa Gornicza, Polen. R. notiert.
Nr. 50: I. Toborek, Chorzow. R. notiert.
Nr. 51: J. Ulanowicz, Ostrowiec. R. notiert.
Nr. 52: B. Polesny, Ceske Budejovice. Sonnendurchmesser 25cm.
Nr. 53: P. Kunaver, Ljubljana.
Nr. 54: J. Costas (“Rigal”), Barcelona.
Nr. 55: Manuel Serinanell (“Mizar”), Barcelona.
Nr. 56: J. M. Alfaras, Barcelona.
Nr. 57: Jose M. Oliver ("Berenice”), Sabadell.
Nr. (58): Ignacio Montanya (“Altair”), Madrid.
Nr. 59: Jaime Sacasas (“Nolva”), Barcelona.
Nr. 60: Eduardo Mané und Enrique Taules (“Barcino”), Barcelona.
Nr. 61: Alfredo Vidal (“Polux”), Barcelona.
Nr. 62: Hans Arber, Pasay City-Manila.
Nr. 63: Ananai-an Observatories, Solar section, Numazu City, Japan. Methode: visuell.
Nr. 64: Rafael Capdeville Celis, Sociedad Astronomica de Valparaiso.
Nr. 65: Mario L. Loocks Vasquez, Valparaiso.

Die Abfolge der auswärtigen Privat-Astronomen in Nr. 41 - 65 entspricht der Auflistung im Bericht «Die Sonnenaktivität im Jahre 1967» von Max Waldmeier (Astronomische Mitteilungen der Eidg. Sternwarte Zürich Nr. 283), gegeben in Abschnitt 1 unter Absatz c), wobei die gedruckte Auflistung weniger Beobachter enthält.
Werte von Privatastronomen wurden für die abschliessende Berechnung der definitiven Sonnenfleckenrelativzahlen verwendet, aber nur ergänzend einbezogen, wenn in der bereits erstellten provisorischen Häufigkeitsstatistik noch Tage ohne oder mit schlechter Beobachtung vorlagen
description: ETH-Bibliothek
Machine Learning for Continuous Quantum Error Correction on Superconducting Qubits
Creators: name: Convy, Ian
name: Liao, Haoran
name: Zhang, Song
name: Patel, Sahil
name: Livingston, William P.
name: Nguyen, Ho Nam
name: Siddiqi, Irfan
name: Whaley, K. Birgitta
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Continuous quantum error correction has been found to have certain advantages over discrete quantum error correction, such as a reduction in hardware resources and the elimination of error mechanisms introduced by having entangling gates and ancilla qubits. We propose a machine learning algorithm for continuous quantum error correction that is based on the use of a recurrent neural network to identify bit-flip errors from continuous noisy syndrome measurements. The algorithm is designed to operate on measurement signals deviating from the ideal behavior in which the mean value corresponds to a code syndrome value and the measurement has white noise. We analyze continuous measurements taken from a superconducting architecture using three transmon qubits to identify three significant practical examples of non-ideal behavior, namely auto-correlation at temporal short lags, transient syndrome dynamics after each bit-flip, and drift in the steady-state syndrome values over the course of many experiments. Based on these real-world imperfections, we generate synthetic measurement signals from which to train the recurrent neural network, and then test its proficiency when implementing active error correction, comparing this with a traditional double threshold scheme and a discrete Bayesian classifier. The results show that our machine learning protocol is able to outperform the double threshold protocol across all tests, achieving a final state fidelity comparable to the discrete Bayesian classifier.
description: 21 pages, 12 figures
title: Journalismus auf dem Abstellgleis?
title: Neue Werbe- und PR-Formen im New News Process.
titleType: Subtitle
Creators: name: Besele, Bianca
name: Kaindl, Benjamin
name: Rizner, Astrid
Publisher: name: Universität Salzburg
Year: 2015
Subjects: subject: 300 Social Sciences
subject: Journalismus
subject: Werbung
subject: Verhältnis
subject: New News Process
subject: Aktive Rezipienten und Rezipientinnen
subject: Determination
subject: Intereffikation

description: Postboten, Telegraphen und Vermittlungskräfte in Telefonzentralen: All diese Berufe
            waren für die Vermittlung von Botschaften unabdingbar. Sie wurden jedoch durch die
            Entwicklung neuer Technologien überflüssig. Droht Journalistinnen und Journalisten
            in der heutigen Zeit dasselbe Schicksal? Betrachtet man den Werbeprozess heute,
            zeichnet sich ein neuartiges Phänomen ab. Werbende wählen nicht mehr den indirekten
            Weg zu den Rezipientinnen und Rezipienten über den Journalismus, sondern sprechen
            ihre Zielgruppen direkt an. Ermöglicht wird dies in erster Linie durch private
            Netzwerke, Communities und Video- sowie Fotoportale. Durch diese Veränderung
            verschiebt sich das Rollenverhältnis aller Akteurinnen und Akteure und die Journalistinnen
            und Journalisten stehen vollkommen neuen Herausforderungen gegenüber.
description: Postmen, telegraphers and telephone-connection workers: All these jobs have one
            common ground: They have been necessary for the delivery of messages; due to the
            improvement in technology they became obsolete. Do journalists nowadays share the
            same fate? If we take a glimpse at the current advertising-process, there occurs a new
            phenomenon. Advertisers aren’t communicating on the indirect way through the
            journalists anymore, but rather target the audience directly. This is mainly possible
            because of private networks, communities and video-/photo-platforms. Due to this
            change the whole process is transforming and the journalists see themselves challenged
            by that.
Megachile (Aethomegachile) laticeps Smith 1853
Creators: name: Sardar, Sayan
name: Warrit, Natapot
name: Rameshkumar, A.
name: Kazmi, S. I.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Megachilidae
Megachile
Megachile laticeps

description: 1. Megachile (Aethomegachile) laticeps Smith, 1853 (Figure 1a)
1853. Megachile laticeps Smith, Cat. Hym. Brit. Mus., 1: 183 (H, ♂).
Material examined: 01 ♀, India, West Bengal, Darjeeling, Rangpo, 27.1595°N 88.5088°E, 14.ix.1978, sweep net, coll. A.N. T. Joseph; 01 ♀, Andhra Pradesh, Coringa Wildlife Sanctuary, Hope Island, 16.9234°N, 82.2739°E,
13.xii.2018, Sweep net, coll. A. Rameshkumar; 01 ♀, Rajasthan, Kota, 28.iv.1993, sweep net, coll. Sharma.
Distribution: India: Lakshadweep, Maharashtra, Kerala, Tamil Nadu (GBIF, 2020d), West Bengal (new record), Andhra Pradesh (new record), Rajasthan (new record).
Floral associations: Crotalaria pallida, Peltophorum pterocarpum (Fabaceae), Memecylon caeruleum (Melastomataceae), Vitex trifolia (Lamiaceae) (Ascher, et al., 2016), Dendrolobium umbellatum (Fabaceae) (Soh et al., 2018), Cajanus cajan, Crotalaria juncea, Lablab purpureus (Fabaceae), Ocimum basilicum (Lamiaceae) (Amala et al., 2019).
II. Subgenus Callomegachile Michener, 1962
description: Published as part of Sardar, Sayan, Warrit, Natapot, Rameshkumar, A. & Kazmi, S. I., 2021, New distributional records of Megachile Latreille, 1802 (Apoidea: Megachilidae) from Indian States, pp. 23-29 in Records of the Zoological Survey of India 121 (1) on pages 23-24, DOI: 10.26515/rzsi/v121/i1/2021/154515, http://zenodo.org/record/10913819
Removal of Nitrous Oxides from Flue Gas – at the Forefront of Legislation
Creators: name: Kolding, Helene
name: Fehrmann, Rasmus
Publisher: name: Grøn Dyst 2010
Year: 2010

description: Flue gas emissions have had a major impact on our environment, both as greenhouse gasses and due to their acidification properties. Removal of NOx gasses is largely performed by the state-of-the-art SCR method. However, a common byproduct of the SCR reaction is N2O, which cannot be removed by the SCR catalyst. In this course, I have studied new and promising SCR catalysts as well as potent catalysts for efficient removal of N2O. By providing an efficient N2O catalyst, it is our hope that further reduction of greenhouse gasses may be possible.
Observations of daily sunspots provided by the Swiss Federal Observatory 1966, namely of Zürich and of its branch station Specola at Locarno, original registers of the staff members; Tabellenblätter Sonnenbeobachtungen (2), (3*), (3), (4), (5) 1966, mit täglich bestimmten Häufigkeitszahlen der Sonnenfleckenaktivität 1966, erhoben durch die Mitarbeiter der Eidgenössischen Sternwarte, mittels Beobachtungen in Zürich und Locarno, verwendet als Grundlage für die provisorischen und später für die definitiven Sonnenfleckenrelativzahlen, Daten erstellt von W. Scheidegger, A. Zelenka, B. Hermes, S. Cortesi, A. Pittini
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1966

description: Handschriftlich ausgefüllte Tabellen (in Vordruck) für die beobachteten Gruppenzahlen g, für die beobachteten Fleckenzahlen f und für den Reduktionsfaktor k auf die Wolfsche Einheit.
Werte ins Registerblatt (2) eingetragen für die Fleckenbeobachtungen, die in Zürich von W. Scheidegger am Fraunhofer-Refraktor (8cm Öffnung, 64fache Vergrösserung) mit Polarisationshelioskop bestimmt wurden.
Werte ins Registerblatt (3*) eingetragen für die Fleckenbeobachtungen, die in Zürich von A. Zelenka am Fraunhofer-Refraktor (8cm Öffnung, 64fache Vergrösserung) mit Polarisationshelioskop bestimmt wurden.
Werte ins Registerblatt (3) eingetragen für die Fleckenbeobachtungen, die in Zürich von B. Hermes am Fraunhofer-Refraktor (8cm Öffnung, 64fache Vergrösserung) mit Polarisationshelioskop bestimmt wurden.
Werte ins Registerblatt (4) eingetragen für die Fleckenbeobachtungen, die von S. Cortesi in Locarno am Projektionsbild am Zeiss Coudé-Refraktor (Objektiv 15cm Öffnung, Sonnendurchmesser 25cm) bestimmt wurden.
Werte ins Registerblatt (5) eingetragen für die Fleckenbeobachtungen, die von A. Pittini in Locarno am Projektionsbild am Zeiss Coudé-Refraktor (Objektiv 15cm Öffnung, Sonnendurchmesser 25cm) bestimmt wurden.
Von der Sternwarte Zürich unter Max Waldmeier geführt und als Nr. 2, 3*,3-5 ins Jahresregister 1966 eingeordnet.
Verwendet für die weitere Aufbereitung der Häufigkeitszahlen. Dabei wurden in Zürich erfolgte Bestimmungen bei schlechter Bildqualität ersetzt, bereits hinsichtlich der provisorischen Fleckenrelativzahlen, indem die Werte aus Locarno und Arosa berücksichtigt wurden. Doch es erfolgte noch kein Ergänzen oder Ersetzen bei fehlenden Bestimmungen oder bei schlechter Beobachtungsgrundlage mit Werten von auswärtigen, internationalen Beobachtern - vgl. «Die Sonnenaktivität im Jahre 1966», von Max Waldmeier, Astronomische Mitteilungen der Eidg. Sternwarte Zürich Nr. 279, Zürich 1967, Abschnitt 1 - siehe auch https://www.ngzh.ch/archiv/1967_112/112_1/112_4.pdf
description: ETH-Bibliothek
Effect of dust in circumgalactic haloes on the cosmic shear power spectrum
Creators: name: Silva, Makana
name: Hirata, Christopher
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Weak gravitational lensing is a powerful statistical tool for probing the growth of cosmic structure and measuring cosmological parameters. However, as shown by studies such as Ménard et al. (2010), dust in the circumgalactic region of haloes dims and reddens background sources. In a weak lensing analysis, this selects against sources behind overdense regions; since there is more structure in overdense regions, we will underestimate the amplitude of density perturbations $σ_8$ if we do not correct for the effects of circumgalactic dust. To model the dust distribution we employ the halo model. Assuming a fiducial dust mass profile based on measurements from Ménard et al. (2010), we compute the ratio $Z$ of the systematic error to the statistical error for a survey similar to the Nancy Grace Roman Space Telescope reference survey (2000 deg$^2$ area, single-filter effective source density 30 galaxies arcmin$^{-2}$). For a waveband centered at $1580$ nm ($H$-band), we find that $Z_{H} = 0.37$. For a similar survey with waveband centered at $620$ nm ($r$-band), we also computed $Z_{r} = 2.8$. Within our fiducial dust model, since $Z_{r} > 1$, the systematic effect of dust will be significant on weak lensing image surveys. We also computed the dust bias on the amplitude of the power spectrum, $σ_{8}$, and found it to be for each waveband $Δσ_8/σ_8 = -3.1\times 10^{-4}$ ($H$ band) or $-2.2\times 10^{-3}$ ($r$ band) if all other parameters are held fixed (the forecast Roman statistical-only error $σ(σ_8)/σ_8$ is $9\times 10^{-4}$).
description: 17 pages, 8 figures