cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Sonnenfleckenzeichnung Nr. 28380.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 24.07.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Erarbeitung von Methoden zur Auftrennung kunststoffhaltiger Verbundwerkstoffe am Beispiel von Elektronikschrott
Creators: name: Weinreich, Hajo
Publisher: name: Hannover : Universität
Year: 1999
Subjects: subject: Composite material
subject: recycling
subject: electronic scrap
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau::621 | Angewandte Physik::621,3 | Elektrotechnik, Elektronik

description: [no abstract]
Study of the impact of the post-MS evolution of the host star on the orbits of close-in planets. II. A giant planet in a close-in orbit around the RGB star HIP63242
Creators: name: Jones, M. I.
name: Jenkins, J. S.
name: Rojo, P.
name: Melo, C. H. F.
name: Bluhm, P.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Context: More than 40 planets have been found around giant stars, revealing a lack of systems orbiting interior to $\sim$ 0.6 AU. This observational fact contrasts with the planetary population around solar-type stars and has been interpreted as the result of the orbital evolution of planets due to the interaction with the host star and/or because of a different formation/migration scenario of planets around more massive stars. Aims: We are conducting a radial velocity study of a sample of 166 giant stars aimed at studying the population of close-in planets orbiting post-main sequence stars. METHODS: We have computed precision radial velocities from multi-epoch spectroscopic data, in order to search for planets around giant stars. Results: In this paper we present the discovery of a massive planet around the intermediate-mass giant star HIP\,63242. The best keplerian fit to the data lead to an orbital distance of 0.57 AU, an eccentricity of 0.23 and a projected mass of 9.2 \mjup. HIP\,63242\,b is the innermost planet detected around any intermediate-mass giant star and also the first planet detected in our survey.
description: Accepted for publication in A&A
Sonnenfleckenzeichnung Nr. 28393.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 12.08.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Sonnenfleckenzeichnung Nr. 28369.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 11.07.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
title: A Comparison of Myofascial Release and Ultrasound in the Treatment of Musculoskeletal Pain
Creators: name: Bishop, Dianna Lynn
Publisher: name: Old Dominion University Libraries
Year: 1987

description: The purpose of this study was to evaluate the effectiveness of myofascial release (MFR) compared to ultrasound (US) in treating musculoskeletal pain. Data in the form of number of trigger points, active range-of-motion of the affected joint, pain scale measurement, and a Treatment Response Questionnaire score, were collected.

The Mann-Whitney U value supported that the MFR group outranked the US group 47 percent when ranking the percent change in trigger point number from pre to post treatment.

The Mann-Whitney U value supported that the MFR group outranked the US group in pain scale measurement. Kruskal-Wallis H value supported that MFR subjects appeared to make a greater improvement.

The Mann-Whitney U value supported that the MFR group outranked the US group 46 percent when ranking the change in range-of-motion.

The Mann-Whitney U value supported that the MFR group outranked answers in the US group 55 times.
Fast Linearized Alternating Direction Minimization Algorithm with Adaptive Parameter Selection for Multiplicative Noise Removal
Creators: name: Chen, Dai-Qiang
name: Cheng, Li-Zhi
Publisher: name: arXiv
Year: 2013
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Numerical Analysis (math.NA)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: 68U10

description: Owing to the edge preserving ability and low computational cost of the total variation (TV), variational models with the TV regularization have been widely investigated in the field of multiplicative noise removal. The key points of the successful application of these models lie in: the optimal selection of the regularization parameter which balances the data-fidelity term with the TV regularizer; the efficient algorithm to compute the solution. In this paper, we propose two fast algorithms based on the linearized technique, which are able to estimate the regularization parameter and recover the image simultaneously. In the iteration step of the proposed algorithms, the regularization parameter is adjusted by a special discrepancy function defined for multiplicative noise. The convergence properties of the proposed algorithms are proved under certain conditions, and numerical experiments demonstrate that the proposed algorithms overall outperform some state-of-the-art methods in the PSNR values and computational time.
description: 23pages
Strange Quark PDF Uncertainty and its Implications for W/Z Production at the LHC
Creators: name: Kusina, A.
name: Stavreva, T.
name: Berge, S.
name: Olness, F. I.
name: Schienbein, I.
name: Kovarik, K.
name: Jezo, T.
name: Yu, J. Y.
name: Park, K.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the impact of parton distribution functions (PDFs) uncertainties on W/Z production at the LHC, concentrating on the strange quark PDF. Additionally we examine the extent to which precise measurements at the LHC can provide additional information on the proton flavor structure.
description: Presented at Light Cone 2012, July 2012, Krakow, Poland, added references
Sonnenfleckenzeichnung Nr. 28460.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 28.12.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
title: Attitudes of Virginia Dental Hygienists Towards Issues Relevant to the Independent Practice of Dental Hygiene
Creators: name: McCain, Linda Hawkins
Publisher: name: Old Dominion University Libraries
Year: 1993

description: Adequate studies have not been conducted to assess the attitudes of dental hygienists toward independent practice of dental hygiene. The purpose of this study was to investigate these attitudes. The method of investigation was a survey questionnaire designed by the principle investigator. The research results indicated weak support for the independent practice of dental hygiene. The support for general supervision of hygienists in Virginia and the desire to be allowed to practice in nontraditional settings was stronger. There was reported a very strong opposition to preceptorship in dental hygiene. The majority of Virginia dental hygienists agreed that they were educationally prepared to practice dental hygiene independent of a dentist's supervision. Surveys revealed that 58.8% of Virginia dental hygienists agreed that the practice of independent dental hygiene would increase access for the public to dental hygiene services. Only 29.9% believed that the cost of dental hygiene services would be lowered through the independent practice of dental hygiene
Asymmetrische Synthese der C17-C23 und C31-C37 Segmente von Spongistatin 1, de novo Synthese von C-Glycosid Vorläufern und [beta]-C-Glycosiden
Creators: name: Dunkel, Ralf
Publisher: name: Hannover : Universität
Year: 1999
Subjects: subject: Spongistatin 1
subject: beta-C-Glycosides
subject: [4+3]Cycloaddition
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie
subject: Dewey Decimal Classification::600 | Technik::610 | Medizin, Gesundheit

description: [no abstract]
Experimental observation of optical precursors in optically pumped crystals
Creators: name: Zhou, Zong-Quan
name: Li, Chuan-Feng
name: Guo, Guang-Can
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We experimentally observed optical precursors in optically pumped crystals using polarization-based interference. By switching the user-programmable medium among the fast light, slow light and no-dispersion regimes, we observed an unchanged polarization states for the wavefronts. The robust polarization-encoded information carried by wavefronts suggests that precursors are the preferred carriers for both quantum and classical information in communication networks.
description: 5 pages,4 figures
GAS-PHASE ION CHEMISTRY AND ION TRAP METHODOLOGIES FOR TRANSMETALATION REACTIONS AND IN-DEPTH LIPID ANALYSIS
Creators: name: Fabijanczuk, Kimberly C
Publisher: name: Purdue University Graduate School
Year: 2023
Subjects: classificationCode: 340101
subject: Analytical spectrometry
classificationCode: 340105
subject: Instrumental methods (excl. immunological and bioassay methods)

description: Originating from J. J. Thomsons original work and the development of electrospray ionization (ESI) by John B. Fenn, mass spectrometry offers a versatile analytical tool to measure beyond an ion’s m/z, especially for biomolecules. Gas-phase ion/ion reactions within a mass spectrometer offers an attractive approach to study biomolecules as they take place on the millisecond and sub millisecond time scale, have high efficiency, allow oppositely charged ions to interact with each other in a controlled manner, and a allows for selection of each reactant prior to the reaction via ion isolation. This can be used to probe gas-phase chemistry that can reflect reactions in solution, however gas-phase reactions have no solvent effects and happen faster, making it a simpler experiment. Here, a variety of gas-phase ion/ion reactions and ion trap methodologies are described to study mostly lipids with a minor amount of transmetalation at the beginning.First, a series of multivalent metals complexed to neutral ligands are demonstrated to form ion-pairs with tetraphenylborate anions via ion/ion reactions. The resulting products were subjected to collision induced activation (CID) to observe their involvement in transmetalation, complementary density functional theory (DFT) calculations are provided as well. Next, sequential ion/ion reactions were performed to convert isomeric phosphoinositol phosphates dianions to monocations to reveal structural characterization and isomeric differentiation utilizing tandem MS and dissociation kinetics. The following two chapters after, reports on complementary efforts to separate lipids in the gas-phase of different mass and charge but similar mass-to-charge (m/z) resulting in overlapping m/z signals. The first report demonstrates a physical approach where singly and double charged lipids are separated in space from each other, trapped simultaneously such that no information is lost. The second utilizes a lanthanide, Yb3+ trication complex that underwent ion/ion reactions with singly and doubly charged lipid anions of similar m/z that result in different m/z products for each singly and doubly charged lipids. Lastly, a sequential ion/ion approach utilizing hexa(ethylene glycol) dithiol as a novel reagent to charge invert structurally uninformative lipid cations to structurally informative anions with subsequent carbon-carbon double bond localization.
Monte Carlo Simulation of Melting and Lattice Relaxation of the (111) Surface of Silver
Creators: name: Bocchetti, Virgile
name: Diep, Hung T.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: It is experimentally observed and theoretically proved that the distance between topmost layers of a metal surface has a contraction. However, well-known potentials such as Lennard-Jones and Morse potentials lead to an expansion of the surface inter-layer distance. Such simple potentials therefore cannot be used to study metal surface relaxation. In this paper, extensive Monte Carlo simulations are used to study the silver (111) surface with both the Gupta potential (GP) and the Embedded Atom Method (EAM) potential. Our results of the lattice relaxation at the (111) surface of silver show indeed a contraction for both potentials at low temperatures in agreement with experiments and early theories. However at higher temperatures, the EAM potential yields a surface melting at $\simeq 700$ K very low with respect to the experimental bulk melting at $\simeq 1235$ K while the GP yields a surface melting at $\simeq 1000$ K closer to the bulk one. In addition, we observe with the EAM potential an anomalous thermal expansion, i. e. the surface contraction becomes a surface dilatation with respect to the bulk, at $\simeq 900$ K. The Gupta potential does not show this behavior.We compare our results with different experimental and numerical results.
description: 7 pages, 8 figures
Clouds in the atmospheres of extrasolar planets. IV. On the scattering greenhouse effect of CO2 ice particles: Numerical radiative transfer studies
Creators: name: Kitzmann, D.
name: Patzer, A. B. C.
name: Rauer, H.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Owing to their wavelengths dependent absorption and scattering properties, clouds have a strong impact on the climate of planetary atmospheres. Especially, the potential greenhouse effect of CO2 ice clouds in the atmospheres of terrestrial extrasolar planets is of particular interest because it might influence the position and thus the extension of the outer boundary of the classic habitable zone around main sequence stars. We study the radiative effects of CO2 ice particles obtained by different numerical treatments to solve the radiative transfer equation. The comparison between the results of a high-order discrete ordinate method and simpler two-stream approaches reveals large deviations in terms of a potential scattering efficiency of the greenhouse effect. The two-stream methods overestimate the transmitted and reflected radiation, thereby yielding a higher scattering greenhouse effect. For the particular case of a cool M-type dwarf the CO2 ice particles show no strong effective scattering greenhouse effect by using the high-order discrete ordinate method, whereas a positive net greenhouse effect was found in case of the two-stream radiative transfer schemes. As a result, previous studies on the effects of CO2 ice clouds using two-stream approximations overrated the atmospheric warming caused by the scattering greenhouse effect. Consequently, the scattering greenhouse effect of CO2 ice particles seems to be less effective than previously estimated. In general, higher order radiative transfer methods are necessary to describe the effects of CO2 ice clouds accurately as indicated by our numerical radiative transfer studies.
description: accepted for publication in A&A
Interaktionen zwischen assoziativen stickstofffixierenden Bakterien und Mykorrhizapilzen mit Nutzpflanzen
Creators: name: Selle, Tina
Publisher: name: Hannover : Universität
Year: 1999
Subjects: subject: Biological nitrogen fixation
subject: Azoarcus sp. BH72
subject: Sorghum bicolor
subject: Dewey Decimal Classification::500 | Naturwissenschaften::570 | Biowissenschaften, Biologie

description: [no abstract]
Sonnenfleckenzeichnung Nr. 28361.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 01.07.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Influence of oval defects on transport properties in high-mobility two-dimensional electron gases
Creators: name: Bockhorn, L.
name: Velieva, A.
name: Hakim, S.
name: Wagner, Timo
name: Rugeramigabo, Eddy P.
name: Schuh, D.
name: Reichl, C.
name: Wegscheider, W.
name: Haug, Rolf J.
Publisher: name: College Park, MD : American Institute of Physics
Year: 2016
Subjects: subject: Electron gas
subject: Magnetoresistance
subject: Surface defects
subject: Transport properties
subject: Two dimensional electron gas
subject: Different densities
subject: Growth defects
subject: High mobility
subject: Material surface
subject: Negative magneto-resistance
subject: Oval defects
subject: Defects
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: Rare macroscopic growth defects next to a two-dimensional electron gas influence transport properties and cause a negative magnetoresistance. On the basis of this, we show that the number of oval defects seen on the material surface is comparable with the density of macroscopic growth defects determined from the negative magnetoresistance. We examine several materials with different densities of oval defects nS which were grown in one cycle under the same conditions to verify our observations. Paradoxically, the material with the largest number of oval defects has also the highest electron mobility. © 2016 AIP Publishing LLC.
X-ray radiographic technique for measuring density uniformity of silica aerogel
Creators: name: Tabata, Makoto
name: Hatakeyama, Yoshikiyo
name: Adachi, Ichiro
name: Morita, Takeshi
name: Nishikawa, Keiko
Publisher: name: arXiv
Year: 2012
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: This paper proposes a new X-ray radiographic technique for measuring density uniformity of silica aerogels used as radiator in proximity-focusing ring-imaging Cherenkov detectors. To obtain high performance in a large-area detector, a key characteristic of radiator is the density (i.e. refractive index) uniformity of an individual aerogel monolith. At a refractive index of n = 1.05, our requirement for the refractive index uniformity in the transverse plane direction of an aerogel tile is |δ(n - 1)/(n - 1)| < 4% in a focusing dual layer radiator (with different refractive indices) scheme. We applied the radiographic technique to evaluate the density uniformity of our original aerogels from a trial production and that of Panasonic products (SP-50) as a reference, and to confirm they have sufficient density uniformity within \pm 1% along the transverse plane direction. The measurement results show that the proposed technique can quantitatively estimate the density uniformity of aerogels.
description: To be published in Nucl. Instr. and Meth. A, 8 pages, 6 figures, 1 table
ROLE OF ARTIFICIAL INTELLIGENCE AS GAME CHANGER FOR HIGHER EDUCATION: PERSPECTIVES OF UNIVERSITY FACULTIES AND STUDENTS
Creators: name: Dr. RABIA TABASSUM
name: Dr. MARIA SHAIKH
name: Dr. FARHAN ZEB KHASHELLY
name: Dr. MAHVISH FATIMA KASHIF
name: Dr. FAIZA SHAHEEN
name: MARYAM MUNIR
name: HUMA HANIF
Publisher: name: Zenodo
Year: 2024
Subjects: Artificial Intelligence; Transformations; Innovative Solutions; Technology Acceptability Factors; Technology Acceptance; Utaut2.

description: Abstract

Artificial intelligence – the concept which erupted and manifested in current age, has also influenced education in various aspects. The current study was made to describe how the utilization of Artificial intelligence technologies in an educational setting has transformed traditional education system in the perspectives of university teachers, and students. The study was designed as qualitative research. Narrative data collection was made from semi-structured interviews. The findings of the study described the role of artificial intelligence as game-changer technology from traditional to digital era. It was recommended that universities should incorporate artificial intelligence to their curricula, but with necessary precautions, from its drawbacks.
Sonnenfleckenzeichnung Nr. 28413.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 24.09.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Sonnenfleckenzeichnung Nr. 28388.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 05.08.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Search for $α$ decay of $^{151}$Eu to the first excited level of $^{147}$Pm using underground $γ$-ray spectrometry
Creators: name: Danevich, F. A.
name: Andreotti, E.
name: Hult, M.
name: Marissens, G.
name: Tretyak, V. I.
name: Yuksel, A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The alpha decay of $^{151}$Eu to the first excited level of $^{147}$Pm ($J^π= 5/2^+$, $E_{exc}=91.1$ keV) was searched for at the HADES underground laboratory ($\approx 500$ m w.e.). A sample of high purity europium oxide with mass of 303 g and a natural isotopic composition has been measured over 2232.8 h with a high energy resolution ultra-low background n-type semi-planar HPGe detector (40 cm$^3$) with sub-micron deadlayer. The new improved half-life limit has been set as $T_{1/2} \geq 3.7\times 10^{18}$ yr at 68% C.L. Possibilities to improve the sensitivity of the experiment, which is already near the theoretical predictions, are discussed. New half-life limit for $α$ decay of $^{153}$Eu is also set as $T_{1/2} \geq 5.5\times 10^{17}$ yr.
description: 11 pages, 5 figures, 2 tables, 18 references
Sonnenfleckenzeichnung Nr. 28319.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 26.04.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Spatially-targeted laser fabrication of multi-metal microstructures inside a hydrogel
Creators: name: Machida, Manan
name: Niidome, Takuro
name: Onoe, Hiroaki
name: Heisterkamp, Alexander
name: Terakawa, Mitsohiro
Publisher: name: Washington, DC : OSA - The Optical Society
Year: 2019
Subjects: subject: Core shell nanoparticles
subject: Energy dispersive X ray analysis
subject: Gold
subject: High resolution transmission electron microscopy
subject: Hydrogels
subject: Light absorption
subject: Microstructure
subject: Multiphoton processes
subject: Optical properties
subject: Silver
subject: X ray diffraction analysis
subject: Bimetallic structures
subject: Gold and silver
subject: Ionic permeability
subject: Laser fabrication
subject: Optically driven actuator
subject: Photo-reduction
subject: Resonant wavelengths
subject: Sensing applications
subject: Fabrication
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: The spatially-targeted fabrication of bimetallic microstructures coexisting in the supporting hydrogel is demonstrated by multi-photon photoreduction. Microstructures composed of gold and silver were fabricated along a predefined trajectory by taking advantages of the hydrogel's ionic permeability. Different resonant wavelengths of optical absorption were obtained for gold, silver, and their bimetallic structures. Transmission electron microscopy and energy dispersive X-ray analysis revealed that the optical properties are attributable to the formation of bimetallic structure consisted of core-shell nanoparticles. The fabrication of dissimilar metal structures within hydrogel is a promising technique for optically driven actuators in soft robotics and sensing applications by allowing for site-selective optical properties. © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Sonnenfleckenzeichnung Nr. 28392.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 10.08.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Ranunculus aconitifolius L.
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: R. aconitifolius L. Ssp. typicus (Beck) Rikli (ssp. aconitifolius Schinz et Keller, ssp. eu-aconitifolius P. Fournier; R. acon L. s. str.) Cat. 7. Var. nanus Gaudin - 2: Saxonna ob Ayent (P.). - 3: Gr. St. Bernhard (Jack, P.); Mattmark im Saastal (Zahn). - 4: Griesgletscher (P.). Ssp. platanifolius (L.) Rikli (R. platanifolius L.) Cat. 7 und 420. 1 An der Ostwand des Matterhoms wurde R. glacialis 1951 von Abbe C. OBERSON bis gegen 3800 m beobachtet. 2 Auch von der Nase A, 3570 m, im selben Gebiet, gebsn A. und H. SCHLAGINTWEIT (Lit. 1854, S. 229) die Art an. l: Zwischen dem Lac de Tanay und Haut de Tanay (J.); Cocorier (Exk. Soc. Murith.); Salanfe (desgl.); Emosson (desgl.). - 3: Les Ottans ob Trient (J.); Valsorey (Guyot); Fionnay (Pugsley); Mauvoisin (J.); Petite Chermontane (J.); Etablons (J.); Meribe (J.); Eingang des Val des Dix (J.); Turtmanntal (J., Beauverd); zwischen Kaltenboden und Alp Unterrat ob Bürchen (Binz); Zermatt (Thellung, Sulger); Saastal: Alpje bei Fee (Hirschmann), Almagell-Furggstalden (A. Keller), Zermeiggern-Furggalp (idem).
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
Experimental and theoretical study of the formation process of photopolymer based self-written waveguides
Creators: name: Suar, Monali
name: Melchert, Oliver
name: Rahlves, Maik
name: Roth, Bernhard
Publisher: name: Washington, DC : OSA - The Optical Society
Year: 2019
Subjects: subject: Diffusion
subject: Light sources
subject: Optical waveguides
subject: Attenuation coefficient
subject: Attenuation measurements
subject: Photopolymer media
subject: Polymerization process
subject: Propagation direction
subject: Self written waveguide
subject: Theoretical approach
subject: Waveguide formation
subject: Multimode fibers
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: The realization of optical interconnects between multimode (MM) optical fibers and waveguides based on a self-writing process in photopolymer media represents an efficient approach for fast and easy-to-implement connection of light-guiding elements. When light propagates through photopolymer media, it modulates the material properties of the media and confines the spreading of the light beam to create a waveguide along the beam propagation direction. This self-writing process can be realized with a single photopolymer medium and is also suited to connect optical fibers or waveguides with active elements such as light sources and detectors. Numerical simulations of the underlying light-induced polymerization process is carried out by using a diffusion based material model which takes account both monomer diffusion and its conversion to polymer chains in regions exposed to light fields. In this work experimental results obtained from a one-polymer approach are validated with theoretical predictions from the diffusion model. The study involved the demonstration of temporal dynamics and transmittance from self-written waveguide (SWW) couplers during the self-writing process. The measured attenuation coefficient from experiment αexperiment = (8.43 ± 0.3) × 10−5 dB/µm showed good agreement with the theoretically predicted attenuation coefficient αsimulation = 7.93 × 10−5 dB/µm, thus demonstrating a successful application of the diffusion model to epoxy based acrylate SWWs. For comparison, attenuation measurements between optical fibers with SWWs as interconnects and one without SWW, i.e. with an air gap in between, were performed. The obtained results reveal that the theoretical approach correctly describes the waveguide formation process so that in the next step the studies can be extended towards including further relevant parameters such as temperature. © 2019 OSA - The Optical Society. All rights reserved.
New geldanamycin derivatives with anti Hsp properties by mutasynthesis
Creators: name: Hermane, Jekaterina
name: Eichner, Simone
name: Mancuso, Lena
name: Schröder, Benjamin
name: Sasse, Florenz
name: Zeilinger, Carsten
name: Kirschning, Andreas
Publisher: name: Cambridge : Royal Society of Chemistry
Year: 2019
Subjects: subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: Mutasynthetic supplementation of the AHBA blocked mutant strain of S. hygroscopicus, the geldanamycin producer, with 21 aromatic and heteroaromatic amino acids provided new nonquinoid geldanamycin derivatives. Large scale (5 L) fermentation provided four new derivatives in sufficient quantity for full structural characterisation. Among these, the first thiophene derivative of reblastatin showed strong antiproliferative activity towards several human cancer cell lines. Additionally, inhibitory effects on human heat shock protein Hsp90α and bacterial heat shock protein from H. pylori HpHtpG were observed, revealing strong displacement properties for labelled ATP and demonstrating that the ATP-binding site of Hsps is the target site for the new geldanamycin derivatives. © 2019 The Royal Society of Chemistry.
title: The contact hypothesis and the virtual revolution: How online contact experiences are shaping intergroup attitudes
Creators: name: Bond, Julian
Publisher: name: The Open University
Year: 2023

description: The contact hypothesis postulates that, under the right conditions, intergroup contact can positively affect intergroup relations and so has the potential for beneficial effects in society. Since the original statement of the contact hypothesis, there has been a fundamental change in how people communicate, with online rather than face-to-face interactions increasingly becoming the primary means of communication. There has, though, been little academic research into whether this transformation of human interaction has affected the connection between intergroup contact and intergroup relations. This research sets out to fill this gap. The core objective is to understand the role that online intergroup contact plays in people’s daily lives and how it relates to their outgroup perceptions in the context of their face-to-face intergroup contact. The thesis reports on two major original studies, both with sample sizes over 1,000. Study 1 examines interethnic contact between Black and White people in the United Kingdom. Study 2 is a longitudinal study in Northern Ireland investigating the interactions between Catholics and Protestants. In both studies, self-reported naturally occurring intergroup contact was measured both face-to-face and online, taking account of contact valence and whether the contact was direct or vicarious. The data unequivocally demonstrates across both studies that online contact was significantly more negative compared to face-to-face contact, especially when contact was vicarious. In both studies, positive contact showed stronger effects on prejudice when it was face-to-face, but negative contact was more strongly linked to prejudice when contact was online. This result suggests that as more contact occurs online the valence of intergroup contact is becoming increasingly negative, and this increasing negativity is having a detrimental effect on intergroup prejudice. Without interventions to prevent this, there is a risk that the shift towards online intergroup contact will increasingly divide society and increase intergroup animosity.
Sonnenfleckenzeichnung Nr. 28394.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 13.08.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Structural control of REE-pegmatites associated with the world-class Sn-Nb-Ta-cryolite deposit at the pitinga mine, amazonas, brazil [Controle estrutural dos pegmatitos ricos em etr associados ao depósito madeira (Sn-nb-ta), mina pitinga, amazonas, brasil.]
Creators: name: Ronchi, Fernanda Claas
name: Althoff, Fernando Jaques
name: Bastos Neto, Artur Cezar
name: Dill, Harald G.
Publisher: name: Porto Alegre : Universidade Federal do Rio Grande do Sul
Year: 2019
Subjects: subject: Albite-enriched granite
subject: Amazonas
subject: Pegmatite
subject: Pitinga mine
subject: Rare earth elements
subject: Structural control
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: We have studied the structural control of pegmatites (F-REE-Li vein-type granite pegmatite) associated with the albite-enriched granite facies (AEG) of the Madeira A-type granite (~1.83 Ga). This facies corresponds to the Madeira world-class Sn-Nb-Ta-F (cryolite) deposit at the Pitinga mine. These REE-rich pegmatites [xenotime-(Y) and gagarinite-(Y)], presently exploited together with the disseminated ore, have potential to exploitation by selective mining. They have a common geometric arrangement and share the same mineralogy, therefore they all originated from the same source. They have the same mineralogical composition of the host rock and their emplacement occurred in the parental rock itself. The geometric arrangement of the pegmatites is settled by contractional brittle structures (reverse faults, imbrication fans and horses). The reverse fault planes (~N320/60SW) were essentially the conduits for the fluid. The preferential sites for the pegmatites bodies were horizontal tensile fractures. The well-marked geometric arrangement of the tectonic structures and the fact that there are also reverse faults planes without pegmatites show that the fractures that host the pegmatites were not formed by the fluid pressure. The orientation of the contractional structures in the AEG indicates a transport from SW to NE. With reduced dimensions, the AEG cooled fast, however its location in the cold upper crust and the low solidus temperature allowed pegmatites formation. The pegmatites were formed with the AEG emplaced in a structural level above the critical crustal depth, where minimum normal stress is vertical.
Sonnenfleckenzeichnung Nr. 28322.
Zeichnung von Flecken und Fackelflächen zur Ermittlung der Sonnenaktivität am 04.05.1991, erstellt von Hans Ulrich Keller
Creators: name: Eidgenössische Sternwarte in Zürich (ETH Zürich bzw. vor 1911 Polytechnikum)
Publisher: name: [s.n.]
Year: 1991

description: Bleistiftzeichnung mit Tinte und Farbstift überschrieben, erstellt als Projektionsbildzeichnung in der ehem. Eidgenössischen Sternwarte Zürich. Instrument: Zeiss Coudé-Refraktor (150/2250 mm).
Die Beobachtungen zu Einzelflecken und zu Sonnenfleckengruppen wurden mit Bleistift auf einem Vordruck eingetragen. Zusätzlich notiert: Tabelle mit den statistischen Angaben, für die Werte g, f und mit einer Spalte für A: von blossem Auge sichtbare Flecken, beobachtet mit Hilfe eines korrekt-reduzierenden optischen Filters (naked eye sunspots).
Beobachtungstätigkeit am erwähnten Ort im Auftrag des Schweizerischen Militärdepartements, Bundesamt für Übermittlungstruppen (BAUEM): Zählungen am Fraunhoferschen Normalrefraktor und Zeichnungen am Zeiss-Coudé-Refraktor
Celebration of Margaret Walker, Africana Studies Program
Creators: name: (:Unav)
Publisher: name: Columbia University
Year: 2021
Subjects: Poets
Women poets
African American women poets

description: Speakers: Amiri Baraka, Amina Baraka, Sonia Sanchez, Ruby Dee, Vinie Burrows, Joyce A. Joyce, Janice Adams (?), Faraha and daughter Nandi (?), Rashida Ismaili, Sarah E. Wright, Sandra María Esteves, Louise Meriwether, Clyde Taylor, Sigismund Walker (Margaret Walker's son), and Ngũgĩ wa Thiongʼo
Replay Attack Prevention in Kerberos Authentication Protocol Using Triple Password
Creators: name: Dua, Gagan
name: Gautam, Nitin
name: Sharma, Dharmendar
name: Arora, Ankit
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cryptography and Security (cs.CR)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: FOS: Computer and information sciences

description: Replay attack and password attacks are serious issues in the Kerberos authentication protocol. Many ideas have been proposed to prevent these attacks but they increase complexity of the total Kerberos environment. In this paper we present an improved method which prevents replay attacks and password attacks by using Triple password scheme. Three passwords are stored on Authentication Server and Authentication Server sends two passwords to Ticket Granting Server (one for Application Server) by encrypting with the secret key shared between Authentication server and Ticket Granting server. Similarly,Ticket Granting Server sends one password to Application Server by encrypting with the secret key shared between TGS and application server. Meanwhile, Service-Granting-Ticket is transferred to users by encrypting it with the password that TGS just received from AS. It helps to prevent Replay attack.
description: 12 pages, 2 Figures, 2 Tables
Dynamic inspection interval determination for efficient distribution grid asset-management
Creators: name: Neugebauer, Thorben
name: Wolgast, Thomas
name: Nieße, Astrid
Publisher: name: Basel : MDPI AG
Year: 2020
Subjects: subject: Asset management
subject: Distribution grid
subject: Distribution substations
subject: Dynamic inspection
subject: Economic pressures
subject: Fixed intervals
subject: Inspection intervals
subject: Scientific literature
subject: Visual inspection
subject: Condition assessment
subject: Digitalization
subject: Digitization
subject: Economic potential
subject: Flexible scheduling
subject: Maintenance
subject: Substation
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau

description: Asset-management accounts for a significant share of grid operators’ influenceable costs, which are under high economic pressure due to deregulation. In asset-management, visual inspections are the main measure to determine asset conditions. In the context of digitalization, we propose a concept to acquire additional information about the condition of distribution substations and to derive flexible inspection intervals from this information, in contrast to fixed intervals that are common in scientific literature and practice. Thus, knowledge about the substations increases, inspection intervals can be expanded dynamically, and significant cost savings are possible, which we demonstrate by the example of a German distribution grid operator.
Conjugacy of Coxeter elements
Creators: name: Eriksson, Henrik
name: Eriksson, Kimmo
Publisher: name: arXiv
Year: 2013
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 20F55, 68R15

description: For a Coxeter group (W,S), a permutation of the set S is called a Coxeter word and the group element represented by the product is called a Coxeter element. Moving the first letter to the end of the word is called a rotation and two Coxeter elements are rotation equivalent if their words can be transformed into each other through a sequence of rotations and legal commutations. We prove that Coxeter elements are conjugate if and only if they are rotation equivalent. This was known for some special cases but not for Coxeter groups in general.
D2.2. Short report on main outcomes and participating organisations of the workshop on frameworks for characterizing mesoscale organisation of shallow convection
Creators: name: CONSTRAIN
Publisher: name: Zenodo
Year: 2021
Subjects: shallow convection

description: Work Package: WP2
Deliverable number: D2.2
Deliverable title: Short report on main outcomes and participating organisations of the workshop on frameworks for characterizing mesoscale organisation of shallow convection
Cite as:
Stevens B., Bony S. and Siebesma P. 2021. Framework for characterizing mesoscale organisation of shallow convection. The CONSTRAIN Project. DOI: 10.5281/zenodo.10125097.