cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Sustainable fonio value chain development in Ghana
Creators: name: Bidzakin, John
name: Graves, Anil
name: Haque, Sabrina
name: Seddaiu, Giovanna
name: Altea, Laura
name: Migheli, Quirico
name: Rizzu, Margherita
name: Kombiok, James
name: Yakubu, Sheref
name: Kombiok, Dickson
Publisher: name: Zenodo
Year: 2023
Subjects: fonio
food security
under-utilised crop species
value chain

description: Factsheet 2 is dedicated to the sustainable fonio value chain development in Ghana. 
Fonio has gained attention in recent years as a nutritious and sustainable crop that could help address food security and nutritional challenges in West Africa and beyond. It offers an alternative to more common cereals like sorghum, millet, wheat, rice, and maize and can grow on marginal lands. Despite the great benefits associated with the crop, fonio is under-exploited and is considered to be an underutilized crop species in Africa. A study by the EWA-BELT project funded by EU horizon 2020 (GA 862848) has analysed the fonio value chain in Ghana in order to identify what opportunities and barriers exist for more widespread uptake. 
The introduction of cost-effective, labour-saving mechanisation at the production and processing stages of the value chain, along with access to the credit facility, improved seed, and enhanced knowledge on good agronomic practices, could significantly boost the value chain in Ghana. Marketing and promotion campaigns should be conducted to create awareness of the potential of the fonio value chain. Collective marketing and contract production could solve some of the marketing challenges of the fonio value chain. Capacity building amongst farmers and improved processing is needed. Increased funding for fonio research is recommended to develop new and improved varieties.
Modeling self-sustained activity cascades in socio-technical networks
Creators: name: Piedrahíta, Pablo
name: Borge-Holthoefer, Javier
name: Moreno, Yamir
name: Arenas, Alex
Publisher: name: arXiv
Year: 2013
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Social and Information Networks (cs.SI)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The ability to understand and eventually predict the emergence of information and activation cascades in social networks is core to complex socio-technical systems research. However, the complexity of social interactions makes this a challenging enterprise. Previous works on cascade models assume that the emergence of this collective phenomenon is related to the activity observed in the local neighborhood of individuals, but do not consider what determines the willingness to spread information in a time-varying process. Here we present a mechanistic model that accounts for the temporal evolution of the individual state in a simplified setup. We model the activity of the individuals as a complex network of interacting integrate-and-fire oscillators. The model reproduces the statistical characteristics of the cascades in real systems, and provides a framework to study time-evolution of cascades in a state-dependent activity scenario.
description: 5 pages, 3 figures
Classification of invariant AHS--structures on semisimple locally symmetric spaces
Creators: name: Gregorovič, Jan
Publisher: name: arXiv
Year: 2013
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C35, 53C10

description: In this article, we discuss which semisimple locally symmetric spaces admit an AHS--structure invariant to local symmetries. We classify them for all types of AHS--structures and determine possible equivalence classes of such AHS--structures.
description: submited to CEJM
reFuels as Necessary Building Block of a GHG-neutral Mobility
Creators: name: Toedter, Olaf
Publisher: name: SAE International
Year: 2023
Subjects: reFuels

description: Talking to politicians, the future will be 100% electric. A rough overview of the development of vehicle sales, the size of the fleet and its rates of change shows that additional technologies are needed to achieve the climate targets demanded by the countries in Paris.Syntetic fuels from renewable sources (reFuels) enable a much faster greenhouse gas reduction than any fleet conversion. The paper provides an overview of the current situation with a special focus on the European situation.
NIR imaging spectroscopy of the inner few arcseconds of NGC 4151 with OSIRIS at Keck
Creators: name: Iserlohe, Christof
name: Krabbe, Alfred
name: Larkin, James E.
name: Barczys, Matthew
name: McElwain, Michael W.
name: Quirrenbach, Andreas
name: Weiss, Jason
name: Wright, Shelley A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present H- and K-band data from the inner arcsecond of the Seyfert 1.5 galaxy NGC 4151 obtained with the adaptive optics assisted near-infrared imaging field spectrograph OSIRIS at the Keck Observatory. We present the morphology and dynamics of most species detected but focus on the morphology and dynamics of the narrow line region (as traced by emission of [FeII] λ1.644μm), the interplay between plasma ejected from the nucleus (as traced by 21 cm continuum radio data) and hot H2 gas and characterize the detected nuclear HeI$λ2.058 μm absorption feature as a narrow absorption line (NAL) phenomenon.
description: 26 pages, accepted by A&A
High-Frequency QPOs and Overstable Oscillations of Black-Hole Accretion Disks
Creators: name: Lai, Dong
name: Fu, Wen
name: Tsang, David
name: Horak, Jiri
name: Yu, Cong
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The physical origin of high-frequency QPOs (HFQPOs) in black-hole X-ray binaries remains an enigma despite many years of detailed observational studies. Although there exists a number of models for HFQPOs, many of these are simply "notions" or "concepts" without actual calculation derived from fluid or disk physics. Future progress requires a combination of numerical simulations and semi-analytic studies to extract physical insights. We review recent works on global oscillation modes in black-hole accretion disks, and explain how, with the help of general relativistic effects, the energy stored in the disk differential rotation can be pumped into global spiral density modes in the disk, making these modes grow to large amplitudes under certain conditions ("corotational instability"). These modes are robust in the presence of disk magnetic fields and turbulence. The computed oscillation mode frequencies are largely consistent with the observed values for HFQPOs in BH X-ray binaries. The approximate 2:3 frequency ratio is also expected from this model. The connection of HFQPOs with other disk properties (such as production of episodic jets) is also discussed.
description: 6 pages. Proceedings of IAUS 290 "Feeding Compact Objects: Accretion on All Scales", C. M. Zhang, T. Belloni, M. Mendez & S. N. Zhang (eds.)
Heterotic compactifications on nearly Kahler manifolds
Creators: name: Lechtenfeld, Olaf
name: Noelle, Christoph
name: Popov, Alexander D.
Publisher: name: New York, NY : Springer International Publishing
Year: 2010
Subjects: subject: Flux compactifications
subject: Superstring Vacua
subject: Differential and Algebraic Geometry
subject: string theory
subject: torsion
subject: superstrings
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We consider compactifications of heterotic supergravity on anti-de Sitter space, with a six-dimensional nearly Kahler manifold as the internal space. Completing the model proposed by Frey and Lippert [10] with the particular choice of SU(3)/U(1)xU(1) for the internal manifold, we show that it satisfies not only the supersymmetry constraints but also the equations of motion with string corrections of order alpha'. Furthermore, we present a non-supersymmetric model. In both solutions we find confirmed a recent result of Ivanov [18] on the connection used for anomaly cancellation. Interestingly, the volume of the internal space is fixed by the supersymmetry constraints and/or the equations of motion.
Heterotic G(2)-manifold compactifications with fluxes and fermionic condensates
Creators: name: Gemmer, Karl-Philip
name: Lechtenfeld, Olaf
Publisher: name: New York, NY : Springer International Publishing
Year: 2013
Subjects: subject: Flux compactifications
subject: Superstring Vacua
subject: Superstrings and Heterotic Strings
subject: Solitons Monopoles and Instantons
subject: supersymmetry
subject: supergravity
subject: manifolds
subject: torsion
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: We consider flux compactifications of heterotic string theory in the presence of fermionic condensates on M-1,M-2 x X-7 with both factors carrying a Killing spinor. In other words, M-1,M-2 is either de Sitter, anti-de Sitter or Minkowski, and X-7 possesses a nearly parallel G(2)-structure or has G(2)-holonomy. We solve the complete set of field equations and the Bianchi identity to order alpha'. The latter is satisfied via a non-standard embedding by choosing the gauge field to be a G(2)-instanton. It is shown that none of the solutions to the field equations is supersymmetric.
Quantification of trace element contents in frozen fluid inclusions by UV-fs-LA-ICP-MS analysis
Creators: name: Albrecht, Moritz
name: Derrey, Insa Theresa
name: Horn, Ingo
name: Schuth, Stephan
name: Weyer, Stefan
Publisher: name: Cambridge : Royal Society of Chemistry
Year: 2014
Subjects: subject: femtosecond laser-ablation
subject: plasma-mass-spectrometry
subject: multielement analysis
subject: melt inclusions
subject: fractionation
subject: microanalysis
subject: h2o-nacl
subject: metal
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: We have developed a new analytical setup for the determination of trace element concentrations in fluid inclusions by UV-fs-LA-ICP-MS. Laser ablation was performed at a low temperature of -40 degrees C by using a modified heating-freezing stage as the ablation cell. With this method it was possible to successfully analyse 53 of 55 frozen synthetic NaCl-H2O fluid inclusions in quartz, covering a size range between 8 mu m and 25 mu m down to a depth of 50 mu m. The high success rate could be achieved as the 194 nm UV-fs-laser allows excellent control over the opening procedure of frozen fluid inclusions. Trace element analyses were performed with a fast scanning magnetic sector field ICP-MS. The lower limits of detection for fluid inclusion analysis vary from 0.1 mu g g(-1) (for Bi-209) to 10 mu g g(-1) (for K-39). The typical analytical uncertainty, depending on the element and respective concentration level, ranges between 10% and 30% (1RSD), based on the reproducibility of experimentally synthesized fluid inclusions. All elements from a stock solution, which behaved inert during the HP/HT experiments (B, K, Cd, Te, Tl, Pb and Bi), could be recovered in the synthetic inclusions at concentrations that correspond within their specific analytical uncertainties to their original concentration of 53 mu g g(-1). The method represents a highly efficient tool for the determination of accurate trace element data on low concentration levels in small fluid inclusions with a high success rate of >90%. The latter is particularly advantageous considering the commonly time consuming characterization of fluid inclusions.
title: Zaborcze kodyfikacje prawa karnego materialnego w Polsce w okresie przejściowym w latach 1918-1932
Creators: name: Koredczuk, Józef
Publisher: name: E-Wydawnictwo. Prawnicza i Ekonomiczna Biblioteka Cyfrowa. Wydział Prawa, Administracji i Ekonomii Uniwersytetu Wrocławskiego
Year: 2019

description: Obowiązywanie w Polsce po odzyskaniu niepodległości przez czternaście lat zaborczych kodeksów karnych niosło za sobą w praktyce różne problemy z nich wynikające. By można było je stosować należało, po pierwsze – dokonać ich urzędowych przekładów na język polski, po drugie – dokonać ich nowelizacji, dostosowując do warunków panujących w Polsce. Największe problemy z tym związane dotyczyły rosyjskiego kodeksu karnego z 1903 r., odnośnie do którego początkowo miano koncepcję, by rozciągnąć jego moc obowiązującą na terytorium całego Państwa Polskiego. Mimo odrzucenia tej koncepcji i nacisków, by jak najszybciej uchwalić polski kodeks karny, zaborcze kodyfikacje karne na ziemiach polskich obowiązywały 14 lat (a kodeks karny polski z 1932 r. tylko siedem), co świadczy o tym, że odegrały one istotną rolę w pierwszych latach po odzyskaniu przez Polskę niepodległości.
Modellbasierte Online-Bewertung von Fräsprozessen
Creators: name: Krüger, Max
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2014
Subjects: subject: Process modeling
subject: milling
subject: process monitoring
subject: quality assessment
subject: model-based assessment
subject: Prozessmodellierung
subject: Fräsbearbeitung
subject: Prozessüberwachung
subject: Qualitätsbewertung
subject: modellbasierte Bewertung
subject: Dewey Decimal Classification::600 | Technik::670 | Industrielle und handwerkliche Fertigung

description: [no abstract]
Incompressible limit of the non-isentropic ideal magnetohydrodynamic equations
Creators: name: Jiang, Song
name: Ju, Qiangchang
name: Li, Fucai
Publisher: name: arXiv
Year: 2013
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 76W05, 35B40

description: We study the incompressible limit of the compressible non-isentropic ideal magnetohydrodynamic equations with general initial data in the whole space $\mathbb{R}^d$ ($d=2,3$). We first establish the existence of classic solutions on a time interval independent of the Mach number. Then, by deriving uniform a priori estimates, we obtain the convergence of the solution to that of the incompressible magnetohydrodynamic equations as the Mach number tends to zero.
description: 18pages, submitted. arXiv admin note: substantial text overlap with arXiv:1111.2926
title: Prawo prywatne międzydzielnicowe z 1926 r.
Creators: name: Górnicki, Leonard
Publisher: name: E-Wydawnictwo. Prawnicza i Ekonomiczna Biblioteka Cyfrowa. Wydział Prawa, Administracji i Ekonomii Uniwersytetu Wrocławskiego
Year: 2019

description: W opracowaniu podjęta jest problematyka prawa międzydzielnicowego prywatnego, zwanego też interlokalnym, międzylokalnym, międzyterytorialnym (le droit interprovincial privé, das interterritoriale, in¬terlokale lub interprovinziale Privatrecht), które kształtowało się niejako w obrębie prawa prywat¬nego międzynarodowego i stanowiło jego część składową czy też było na nim wzorowane. Po zaborcach Polska odziedziczyła taki model, w którym prawo międzydzielnicowe uregulowane było fragmentarycznie w prawie międzynarodowym pry¬watnym. Przepisy przedmiotowych ustaw, różne i sprzeczne zresztą, pełniły tym samym dwie funkcje, po pierwsze określały właściwość prawa dla pry¬watnych stosunków międzynarodowych, i po drugie, określały właściwość prawa dla międzydzielnicowych stosunków prawnych, tj. dla stosunków występujących tylko na obszarze Polski, ale wychodzących poza sferę jednej dzielnicy, tak jakby Polska stanowiła tylko związek państw, określonych granicami dzielnic
LAFEM: A scoring model to evaluate functional landscape of lysine acetylome
Creators: name: Liang, Junze
Publisher: name: 10.5281/zenodo.10132537
Year: 2023

description: The LAFEM application, the commands of BLAST+ to construct database and blast, SASA score of 23391 proteins, quantitative acetylome results (PDC000233 and PDC000224) of MaxQuant, DEAS and non-DEAS respectively in the 2 acetylomes, diso files (generated by DISOPRED3 to calculate disordered score) of all proteins mentioned in our study, PDB files downloaded from AlphaFold2 and table of PPIS downloaded from Interactome3D
Identification of Literary Movements Using Complex Networks to Represent Texts
Creators: name: Amancio, Diego R.
name: Oliveira, Osvaldo N.
name: Costa, Luciano da F.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Social and Information Networks (cs.SI)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The use of statistical methods to analyze large databases of text has been useful to unveil patterns of human behavior and establish historical links between cultures and languages. In this study, we identify literary movements by treating books published from 1590 to 1922 as complex networks, whose metrics were analyzed with multivariate techniques to generate six clusters of books. The latter correspond to time periods coinciding with relevant literary movements over the last 5 centuries. The most important factor contributing to the distinction between different literary styles was {the average shortest path length (particularly, the asymmetry of the distribution)}. Furthermore, over time there has been a trend toward larger average shortest path lengths, which is correlated with increased syntactic complexity, and a more uniform use of the words reflected in a smaller power-law coefficient for the distribution of word frequency. Changes in literary style were also found to be driven by opposition to earlier writing styles, as revealed by the analysis performed with geometrical concepts. The approaches adopted here are generic and may be extended to analyze a number of features of languages and cultures.
description: The Supplementary Information (SI) is available from http://iopscience.iop.org/1367-2630/14/4/043029/media/njp043029suppdata.pdf
Fault-Ride-Through-Regelung von Windenergieanlagen mit Vollumrichter und LCL-Netzfilter
Creators: name: Meyer, Karl Robert
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2014
Subjects: subject: Wind energy
subject: threel-level converter
subject: medium-voltage
subject: control
subject: grid-fault
subject: predictive control
subject: optimized pulse patterns
subject: Windenergie
subject: 3-Punkt-Umrichter
subject: Mittelspannung
subject: Regelung
subject: Netzfehler
subject: FRT
subject: prädiktive Regelung
subject: LCL-Filter
subject: Modulation
subject: optimierte Pulsmuster
subject: Dewey Decimal Classification::600 | Technik::620 | Ingenieurwissenschaften und Maschinenbau::621 | Angewandte Physik::621,3 | Elektrotechnik, Elektronik

description: [no abstract]
Solution of linear equations and inequalities in idempotent vector spaces
Creators: name: Krivulin, Nikolai
Publisher: name: arXiv
Year: 2013
Subjects: subject: Optimization and Control (math.OC)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 15A80 (Primary), 65K10, 65F05, 12K10 (Secondary)

description: Linear vector equations and inequalities are considered defined in terms of idempotent mathematics. To solve the equations, we apply an approach that is based on the analysis of distances between vectors in idempotent vector spaces. The approach reduces the solution of the equation to that of an optimization problem in the idempotent algebra setting. Based on the approach, existence and uniqueness conditions are established for the solution of equations, and a general solution to both linear equations and inequalities are given. Finally, a problem of simultaneous solution of equations and inequalities is also considered.
description: 24 pages, 8 figures
1D-Plasmonen in Ag-Nanodrähten auf vicinalem Si(557)
Creators: name: Krieg, Ulrich
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2014
Subjects: subject: 1D plasmons
subject: nanowires
subject: doping
subject: 1D Plasmonen
subject: Nanodrähte
subject: Dotierung
subject: Dewey Decimal Classification::500 | Naturwissenschaften::530 | Physik

description: [no abstract]
X-ray exploration of the outskirts of the nearby Centaurus cluster using Suzaku and Chandra
Creators: name: Walker, S. A.
name: Fabian, A. C.
name: Sanders, J. S.
name: Simionescu, A.
name: Tawara, Y.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We present Suzaku observations of the Centaurus cluster out to 0.95r200, taken along a strip to the north west. We have also used congruent Chandra observations of the outskirts to resolve point sources down to a threshold flux around 7 times lower than that achievable with just Suzaku data, considerably reducing the systematic uncertainties in the cosmic X-ray background emission in the outskirts. We find that the temperature decreases by a factor of 2 from the peak temperature to the outskirts. The entropy profile demonstrates a central excess (within 0.5r200) over the baseline entropy profile predicted by simulations of purely gravitational hierarchical structure formation. In the outskirts the entropy profile is in reasonable agreement with the baseline entropy profile from Voit et al., but lies slightly below it. We find that the pressure profile agrees with the universal pressure profile of Arnaud et al. but lies slightly above it in the outskirts. The excess pressure and decrement in entropy in the outskirts appear to be the result of an excess in the measured gas density, possible due to gas clumping biasing the density measurements high. The gas mass fraction rises and reaches the mean cosmic baryon fraction at the largest radius studied. The clumping corrected gas mass fraction agrees with the expected hot gas fraction and with the simulations of Young et al. We further the analysis of Walker et al. which studied the shapes of the entropy profiles of the clusters so far explored in the outskirts with Suzaku. When scaled by the self similar entropy the Suzaku entropy profiles demonstrate a central excess over the baseline entropy profile, and are consistent with it at around r500 . However outside r500 the entropy profiles tend to lie below the baseline entropy profile.
description: 17 pages, 15 figures. Accepted for publication in MNRAS
Bestimmung von Codephasen-Variationen bei GNSS-Empfangsantennen und deren Einfluss auf Positionierung, Navigation und Zeitübertragung
Creators: name: Kersten, Tobias
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2014
Subjects: subject: GPS/GNSS antennas
subject: absolute GNSS antenna calibration
subject: code phase variations
subject: GPS/GNSS-Antennen
subject: absolute GNSS-Antennenkalibrierung
subject: Codephasen-Variationen (GDV)
subject: Dewey Decimal Classification::500 | Naturwissenschaften::520 | Astronomie, Kartographie

description: [no abstract]
Overlaying optical lattices for simulation of complex frustrated antiferromagnets
Creators: name: Chen, Zhi-Xin
name: Ma, Han
name: Chen, Mo-Han
name: Zhou, Xiang-Fa
name: He, Lixin
name: Guo, Guang-Can
name: Zhou, Xingxiang
name: Chen, Yan
name: Zhou, Zheng-Wei
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present design techniques of special optical lattices that allow quantum simulation of spin frustration in two-dimensional systems. By carefully overlaying optical lattices with different periods and orientations, we are able to adjust the ratio between the nearest-neighbor and next-nearest-neighbor interaction strengths in a square spin lattice and realize frustration effects. We show that only laser beams of a single frequency is required, and the parameter space reachable in our design is broad enough to study the important phases in the $J_1$-$J_2$ frustrated Heisenberg model and checkerboard antiferromagnet model. By using the polarization spectroscopy for detection, distinct quantum phases and quantum phase transition points can be characterized straightforwardly. Our design thus offers a suitable setup for simulation of frustrated spin systems.
description: 7 pages
A basis for large operators in N=4 SYM with orthogonal gauge group
Creators: name: Caputa, Pawel
name: Koch, Robert de Mello
name: Diaz, Pablo
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We develop techniques to study the correlation functions of "large operators" whose bare dimension grows parametrically with N, in SO(N) gauge theory. We build the operators from a single complex matrix. For these operators, the large N limit of correlation functions is not captured by summing only the planar diagrams. By employing group representation theory we are able to define local operators which generalize the Schur polynomials of the theory with gauge group U(N). We compute the two point function of our operators exactly in the free field limit showing that they diagonalize the two point function. We explain how these results can be used to obtain the exact free field answers for correlators of operators in the trace basis.
description: 29 pages; minor typos corrected
Solanum dulcamara L.
Creators: name: Becherer
Publisher: name: Zenodo
Year: 1956
Subjects: Biodiversity
Taxonomy

description: S.Dulcamara L. Cat. 266. l: Illarsaz (J.). - 2: Les Verines ob Chamoson (M:arietan); Erschmatt (idem); Gampel (Wilczek). -3:Martigny (F.);Riddes (J.);Briex (J.); Kalpetran (Vischer); Herbriggen-Randa (Huber). - 3^: Gondo und unteres Zwischbergental (Becherer). - 4: Binntal (Binz); Fürgangen (nach Wilczek). Var. rupestre (F. W. Schmidt) Kost. (var. indivisum Boissier) - 3: Vispertal, mehrfach (Christ, Stebler,Vischer).
description: Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp. 1-556 in Denkschriften der Schweizerischen Naturforschenden Gesellschaft 71 on pages 1-556
Rheology of human blood plasma: Viscoelastic versus Newtonian behavior
Creators: name: Brust, M.
name: Schaefer, C.
name: Pan, L.
name: Garcia, M.
name: Arratia, P. E.
name: Wagner, C
Publisher: name: arXiv
Year: 2013
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We investigate the rheological characteristics of human blood plasma in shear and elongational flows. While we can confirm a Newtonian behavior in shear flow within experimental resolution, we find a viscoelastic behavior of blood plasma in the pure extensional flow of a capillary break-up rheometer. The influence of the viscoelasticity of blood plasma on capillary blood flow is tested in a microfluidic device with a contraction-expansion geometry. Differential pressure measurements revealed that the plasma has a pronounced flow resistance compared to that of pure water. Supplementary measurements indicate that the viscoelasticity of the plasma might even lead to viscoelastic instabilities under certain conditions. Our findings show that the viscoelastic properties of plasma should not be ignored in future studies on blood flow.
description: 4 figures, 1 supplementary material Highlighted in http://physics.aps.org/articles/v6/18
Photokatalytische Oxidation niedermolekularer Alkohole
Creators: name: Melcher, Johannes Wilhelm
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2017
Subjects: subject: photocatalysis
subject: titanium dioxide
subject: low molecular weight alcohols
subject: HPLC-analysis
subject: NASH-analysis
subject: Photokatalyse
subject: Titandioxid
subject: niedermolekulare Alkohole
subject: HPLC-Analyse
subject: NASH-Methode
subject: Dewey Decimal Classification::600 | Technik::660 | Technische Chemie

description: [no abstract]
Assessing fertiliser options for sustainable maize production in Africa
Creators: name: Bidzakin, John
name: Graves, Anil
name: Pérez, Indira Marcela
name: Kaffashi, Sara
name: Seddaiu, Giovanna
name: Migheli, Quirico
name: Altea, Laura
name: Rizzu, Margherita
name: Stentella, Rachele
name: Kombiok, James
name: Yakubu, Sheref
name: Kombiok, Dickson
name: Makete, Noel
name: Onyango, Eunice
name: Wachau, Francis
Publisher: name: Zenodo
Year: 2023
Subjects: sustainable maize production
sustainable production in Africa
soil fertility
organic fertilizer
integrated soil fertility management

description: Factsheet 1 is dedicated to the assessment of fertiliser options for sustainable maize production in Africa. 
There is a need for sustainable maize production in Africa due to growing food demand and declining soil fertility. This factsheet suggests the promotion and upscaling of organic fertilizer and intergrated soil fertility management (ISFM) options for sustainable maize production in east and west Africa regions based on findings from research carried out in Ghana and Kenya under the EWA-BELT project (GA 862848). Strategies to increase organic fertilizer production should be pursued by governments and all stakeholders.
Das linearbandkeramische Gräberfeld von Schwetzingen, Rhein-Neckar-Kreis
Creators: name: Gerling, Claudia
Publisher: name: Fundberichte aus Baden-Württemberg
Year: 2016

description: [nicht vorhanden / not available]
description: Fundberichte aus Baden-Württemberg, Bd. 32, Nr. 1 (2012): Fundberichte aus Baden-Württemberg
Sharing, storing and analysing cell image data in a Collaborative Research Centre using OMERO
Creators: name: Lama, Soni
name: Koch, Johannes
name: Schulze, Nina
name: Rehwald, Stephanie
Publisher: name: Zenodo
Year: 2023
Subjects: RDM
DSgG

description: Collaborative Research Center (CRC 1430) is an interdisciplinary consortium of biologists, molecular oncologists and chemists which consists of 23 sub-projects in the field of cell proliferation, cell cycle progression and cancer cell plasticity. The project generates huge amount of data that needs to be processed, shared and stored subsequently. Therefore, research data management becomes a vital and essential process to ensure data accessibility for collaborative studies and to facilitate innovative research.
Kinetic characterisation of the FAD dependent monooxygenase TropB and investigation of its biotransformation potential
Creators: name: Abood, Amira
name: Al-Fahad, Ahmed
name: Scott, Alan
name: Hosny, Alaa El-Dein M. S.
name: Hashem, Amal M.
name: Fattah, Azza M.A.
name: Race, Paul R.
name: Simpson, Thomas J.
name: Cox, Russell J.
Publisher: name: Cambridge : Royal Society of Chemistry
Year: 2015
Subjects: subject: swiss-model
subject: oxidative dearomatization
subject: mesorhizobium-loti
subject: biosynthesis
subject: electrostatics
subject: hydroxylation
subject: nitration
subject: phenol
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: Achieving regio-specific hydroxylation of aromatic compounds remains a major challenge in synthetic chemistry. By contrast, this transformation is readily accomplished in nature through the action of FAD-dependant monooxygenase enzymes. Here, we report the kinetic characterisation of one such enzyme, TropB, from the stipitatic acid biosynthetic pathway. Analogues of the TropB natural substrate, 3-methyl-orcinaldehyde, were synthesised and used to examine the substrate selectivity of this enzyme. TropB displays broad substrate tolerance, for instance accepting single-ring aromatic substrates containing a range of C-1 substituents with varying electronic and steric properties. These include nitro, nitrosyl, alkyl, and aryl keto groups. Bicyclic substrates, however, were rejected by TropB. Additionally, C-5 substituents on single-ring aromatic substrates were not tolerated whereas the presence of a 6-methyl group was found to be important for substrate binding. Docking studies were employed to investigate and understand the broad substrate selectivity of TropB and identifies the key structural elements of its substrates. Our work has shown that TropB is an attractive target for biocatalyst engineering and industrial aromatic hydroxylation.
Optimierung der Nutzung entomopathogener Nematoden in einer integrierten Bekämpfungsstrategie für Frankliniella occidentalis
Creators: name: Meyer, Jürgen
Publisher: name: Hannover : Gottfried Wilhelm Leibniz Universität Hannover
Year: 2017
Subjects: subject: Entomopathogenic nematodes
subject: Western flower thrips
subject: Entomopathogene Nematoden
subject: Chitosan
subject: kalifornischer Blütenthrips
subject: Dewey Decimal Classification::600 | Technik::630 | Landwirtschaft, Veterinärmedizin

description: [no abstract]
One pathway, many compounds: heterologous expression of a fungal biosynthetic pathway reveals its intrinsic potential for diversity
Creators: name: Wasil, Zahida
name: Pahirulzaman, Khomaizon A.K.
name: Butts, Craig
name: Simpson, Thomas J.
name: Lazarus, Colin M.
name: Cox, Russell J.
Publisher: name: Cambridge : Royal Society of Chemistry
Year: 2013
Subjects: subject: polyketide synthase
subject: aspergillus-nidulans
subject: chemical diversity
subject: filamentous fungi
subject: gene clusters
subject: proteins
subject: tenellin
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: Heterologous expression of genes from the proposed aspyridone biosynthetic cluster from Aspergillus nidulans in the host Aspergillus oryzae led to the production of eight different compounds in addition to aspyridone A 1, one of the previously observed products. The pathway genes were incapable of producing aspyridone B 2, the previously accepted final product of the pathway. Expression of restricted sets of genes in addition to the core polyketide synthase – nonribosomal peptide synthetase (PKS-NRPS) genes apdA and apdC revealed: that apdE encodes a cytochrome P450 enzyme with ring-expanding and unprecedented dephenylation activity; that apdB encodes an N-hydroxylase, an activity not previously suspected; that the productivity of ApdA and ApdC proteins appears to be significantly enhanced in the presence of the downstream ApdE oxidase; and no obvious chemical roles for ApdD and ApdG. Furthermore, the ApdC enoyl reductase appears to operate with different stereoselectivity in different PKS cycles. All of these features illustrate the inherent diversity of compounds potentially produced by the apd pathway and the high utility of a whole pathway expression strategy for investigating and revealing new biosynthetic chemistry in fungi.
Oxidative dearomatisation: the key step of sorbicillinoid biosynthesis
Creators: name: Al-Fahad, Ahmed
name: Abood, Amira
name: Fisch, Katja M.
name: Osipow, Anna
name: Davison, Jack
name: Avramovic, Marija
name: Butts, Craig
name: Piel, Joern
name: Simpson, Thomas J.
name: Cox, Russell J.
Publisher: name: Cambridge : Royal Society of Chemistry
Year: 2013
Subjects: subject: polyketide synthase genes
subject: trichoderma sp usf-2690
subject: penicillium-chrysogenum
subject: verticillium-intertextum
subject: aspergillus-nidulans
subject: fungal polyketide
subject: gibberella-zeae
subject: cluster
subject: pathway
subject: sorbicillactone
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: An FAD-dependent monooxygenase encoding gene (SorbC) was cloned from Penicillium chrysogenum E01-10/3 and expressed as a soluble protein in Escherichia coli. The enzyme efficiently performed the oxidative dearomatisation of sorbicillin and dihydrosorbicillin to give sorbicillinol and dihydrosorbicillinol respectively. Bioinformatic examination of the gene cluster surrounding SorbC indicated the presence of two polyketide synthase (PKS) encoding genes designated sorbA and sorbB. The gene sorbA-encodes a highly reducing iterative PKS while SorbB encodes a non-reducing iterative PKS which features a reductive release domain usually involved in the production of polyketide aldehydes. Using these observations and previously reported results from isotopic feeding experiments a new and simpler biosynthetic route to the sorbicillin class of secondary metabolites is proposed which is consistent with all reported experimental results.
Stochastic bias in multi-dimensional excursion set approaches
Creators: name: Castorina, Emanuele
name: Sheth, Ravi K.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We describe a simple fully analytic model of the excursion set approach associated with two Gaussian random walks: the first walk represents the initial overdensity around a protohalo, and the second is a crude way of allowing for other factors which might influence halo formation. This model is richer than that based on a single walk, because it yields a distribution of heights at first crossing. We provide explicit expressions for the unconditional first crossing distribution which is usually used to model the halo mass function, the progenitor distributions, and the conditional distributions from which correlations with environment are usually estimated. These latter exhibit perhaps the simplest form of what is often called nonlocal bias, and which we prefer to call stochastic bias, since the new bias effects arise from `hidden-variables' other than density, but these may still be defined locally. We provide explicit expressions for these new bias factors. We also provide formulae for the distribution of heights at first crossing in the unconditional and conditional cases. In contrast to the first crossing distribution, these are exact, even for moving barriers, and for walks with correlated steps. The conditional distributions yield predictions for the distribution of halo concentrations at fixed mass and formation redshift. They also exhibit assembly bias like effects, even when the steps in the walks themselves are uncorrelated. Finally, we show how the predictions are modified if we add the requirement that halos form around peaks: these depend on whether the peaks constraint is applied to a combination of the overdensity and the other variable, or to the overdensity alone. Our results demonstrate the power of requiring models to reproduce not just halo counts but the distribution of overdensities at fixed protohalo mass as well.
description: 9 pages, 5 figures, submitted to MNRAS
Heterologous expression of the avirulence gene ACE1 from the fungal rice pathogen Magnaporthe oryzae
Creators: name: Song, Zhongshu
name: Bakeer, Walid
name: Marshall, James W.
name: Yakasai, Ahmed A.
name: Khalid, Rozida Mohd
name: Collemare, Jerome
name: Skellam, Elizabeth
name: Tharreau, Didier
name: Lebrun, Marc-Henri
name: Lazarus, Colin M.
name: Bailey, Andrew M.
name: Simpson, Thomas J.
name: Cox, Russell J.
Publisher: name: Cambridge : Royal Society of Chemistry
Year: 2015
Subjects: subject: synthase-peptide synthetase
subject: biosynthesis
subject: cluster
subject: grisea
subject: identification
subject: proteins
subject: cytochalasin
subject: diaporthichalasin
subject: phomopsichalasin
subject: chaetoglobosin
subject: Dewey Decimal Classification::500 | Naturwissenschaften::540 | Chemie

description: The ACE1 and RAP1 genes from the avirulence signalling gene cluster of the rice blast fungus Magnaporthe oryzae were expressed in Aspergillus oryzae and M. oryzae itself. Expression of ACE1 alone produced a polyenyl pyrone (magnaporthepyrone), which is regioselectively epoxidised and hydrolysed to give different diols, 6 and 7, in the two host organisms. Analysis of the three introns present in ACE1 determined that A. oryzae does not process intron 2 correctly, while M. oryzae processes all introns correctly in both appressoria and mycelia. Co-expression of ACE1 and RAP1 in A. oryzae produced an amide 8 which is similar to the PKS-NRPS derived backbone of the cytochalasans. Biological testing on rice leaves showed that neither the diols 6 and 7, nor amide 8 was responsible for the observed ACE1 mediated avirulence, however, gene cluster analysis suggests that the true avirulence signalling compound may be a tyrosine-derived cytochalasan compound.
An Optimal Transport Approach to Robust Reconstruction and Simplification of 2D Shapes
Creators: name: de Goes, Fernando Ferrari
Publisher: name: California Institute of Technology
Year: 2011
Subjects: simplification
Computer Science
optimal transport
reconstruction

description: We present a robust 2D shape reconstruction and simplification algorithm which takes as input a defect-laden point set with noise and outliers. We introduce an optimal-transport driven approach where the input point set, considered as a sum of Dirac measures, is approximated by a simplicial complex considered as a sum of uniform measures on 0- and 1-simplices. A fine-to-coarse scheme is devised to construct the resulting simplicial complex through greedy decimation of a Delaunay triangulation of the input point set. Our method performs well on a variety of examples ranging from line drawings to grayscale images, with or without noise, features, and boundaries.
Universe Models with Negative Bulk Viscosity
Creators: name: Brevik, Iver
name: Grøn, Øyvind
Publisher: name: arXiv
Year: 2013
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The concept of negative temperatures has occasionally been used in connection with quantum systems. A recent example of this sort is reported in the paper of S. Braun et al. [Science 339,52 (2013)], where an attractively interacting ensemble of ultracold atoms is investigated experimentally and found to correspond to a negative-temperature system since the entropy decreases with increasing energy at the high end of the energy spectrum. As the authors suggest, it would be of interest to investigate whether a suitable generalization of standard cosmological theory could be helpful, in order to elucidate the observed accelerated expansion of the universe usually explained in terms of a positive tensile stress (negative pressure). In the present note we take up this basic idea and investigate a generalization of the standard viscous cosmological theory, not by admitting negative temperatures but instead by letting the bulk viscosity take negative values. Evidently, such an approach breaks standard thermodynamics, but may actually be regarded to lead to the same kind of bizarre consequences as the standard approach of admitting the equation-of-state parameter w to be less than -1. In universe models dominated by negative viscosity we find that the fluid's entropy decreases with time, as one would expect. Moreover, we find that the fluid transition from the quintessence region into the phantom region (thus passing the phantom divide w=-1) can actually be reversed. Also in generalizations of the LCDM-universe models with a fluid having negative bulk viscosity we find that the viscosity decreases the expansion of the universe.
description: 7 pages latex, no figures, published electronically in Astrophys. Space Sci
Phase relations in the Cabeza de Araya cordierite monzogranite, Iberian Massif: Implications for the formation of cordierite in a crystal mush
Creators: name: García-Moreno, O.
name: Corretgé, L.G.
name: Holtz, F.
name: García-Arias, M.
name: Rodríguez, C.
Publisher: name: Barcelona : Universitat de Barcelona
Year: 2017
Subjects: subject: Cordierite
subject: Monzogranites experimental petrology
subject: Peritectic
subject: Pseudosections
subject: Ceres
subject: Dewey Decimal Classification::500 | Naturwissenschaften::550 | Geowissenschaften

description: Experimental investigations and thermodynamic calculations of the phase relations of a cordierite-rich monzogranite from the Cabeza de Araya batholith (Cáceres, Spain) have been performed to understand the formation of cordierite. The experiments failed to crystallize cordierite in the pressure range 200-600MPa, in the temperature range 700-975ºC and for different water activities (melt water contents between 2 and 6 wt.%). In contrast, clinopyroxene and orthopyroxene (absent in the natural mineral rock assemblage), together with biotite, were observed as ferromagnesian assemblage in a wide range of experimental conditions. Thermodynamic calculations, using the software PERPLE_X, describe the formation of cordierite only at 200 and 400MPa and very low water contents, and the amount of cordierite formed in the models is always below 3.5 vol.%. The results indicate that cordierite is not in equilibrium with the bulk rock compositions. The most probable explanation was that cordierite nucleated and crystallized from a melt that is not in equilibrium with part of the mineral assemblage present in the magma. This “non-reactive” mineral assemblage was mainly composed of plagioclase. The silicate melts from which cordierite crystallized was more Al-rich and K-rich than the silicate melt composition in equilibrium with the bulk composition. One possible process for the high Al content of the silicate melt is related to assimilation and partial melting of Al-rich metasediments. An exo-perictetic reaction is assumed to account for both textural and geochemical observations. On the other hand, hybridization processes typical for calc-alkaline series can also explain the high proportions of “non-reactive” minerals observed in relatively high temperature magmas. This study clearly demonstrates that silicate melts in a crystal mush can depart significantly from the composition of melt that should be in equilibrium with the bulk solid assemblage. © O. García-Moreno, L.G. Corretgé, F. Holtz, M. García-Arias, C. Rodríguez, 2017 CC BY-SA.
Understanding Road Usage Patterns in Urban Areas
Creators: name: Wang, Pu
name: Hunter, Timothy
name: Bayen, Alexandre M.
name: Schechtner, Katja
name: González, Marta C.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: In this paper, we combine the most complete record of daily mobility, based on large-scale mobile phone data, with detailed Geographic Information System (GIS) data, uncovering previously hidden patterns in urban road usage. We find that the major usage of each road segment can be traced to its own - surprisingly few - driver sources. Based on this finding we propose a network of road usage by defining a bipartite network framework, demonstrating that in contrast to traditional approaches, which define road importance solely by topological measures, the role of a road segment depends on both: its betweeness and its degree in the road usage network. Moreover, our ability to pinpoint the few driver sources contributing to the major traffic flow allows us to create a strategy that achieves a significant reduction of the travel time across the entire road system, compared to a benchmark approach.
description: 47 pages, 24 figures
Spin-orbit alignment in the very low mass binary regime: The L dwarf tight binary 2MASSW J0746425+200032AB
Creators: name: Harding, Leon K.
name: Hallinan, Gregg
name: Konopacky, Quinn M.
name: Kratter, Kaitlin M.
name: Boyle, Richard P.
name: Butler, Ray F.
name: Golden, Aaron
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Studies of solar-type binaries have found coplanarity between the equatorial and orbital planes of systems with $
description: Article accepted in Astronomy & Astrophysics section 7 - Stellar structure and evolution of Astronomy and Astrophysics; 9 pages; 6 figures
title: ПРОДУКТИВНЫЕ И ВОСПРОИЗВОДИТЕЛЬНЫЕ КАЧЕСТВА РОДИТЕЛЕЙ ПОЛУТОНКОРУННЫХ ПОРОД ОВЕЦ И СОХРАННОСТЬ ПОТОМСТВА РАЗЛИЧНОГО ПРОИСХОЖДЕНИЯ. СБОРНИК НАУЧНЫХ ТРУДОВ КНЦЗВ. - 2018. - Т. 7. - № 1
Creators: name: Абонеев, Василий
name: Ульянов, Алексей
name: Цапкина, Наталья
name: Абонеев, Дмитрий
Publisher: name: ФГБНУ КНЦЗВ
Year: 2018

description: изучены воспроизводительные качества и продуктивность овец разных пород. Выявлено преимущество защитного потенциала организма потомков полутонкорунных баранов породы линкольн кубанский заводской тип.