cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Merremia umbellata
Creators: name: Araújo, Diogo
name: Alves, Marccus
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Solanales
Convolvulaceae
Merremia
Merremia umbellata

description: 28. Merremia umbellata (L.) Hallier f.
United States, Mexico, Central America, Caribbean, Venezuela, Colombia, Ecuador, Bolivia, Brazil (Amapá, Rondônia, Amazonas, Pará, Ceará, Pernambuco), Argentina.
Selected Voucher:—Zambana, Alves-Araújo et al. 665 (UFP); Piedade, Alves-Araújo 561 (UFP).
description: Published as part of Araújo, Diogo & Alves, Marccus, 2010, Climbing plants of a fragmented area of lowland Atlantic Forest, Igarassu, Pernambuco (northeastern Brazil), pp. 1-24 in Phytotaxa 8 on page 17, DOI: 10.11646/phytotaxa.8.1.1, http://zenodo.org/record/4893863
The polarized photon structure function $g_1^γ(x,Q^2)$ in massive parton model in NLO
Creators: name: Watanabe, Norihisa
name: Kiyo, Yuichiro
name: Sasaki, Ken
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the one-gluon-exchange ($αα_s$) corrections to the polarized real photon structure function $g_1^γ(x,Q^2)$ in the massive parton model. We employ a technique based on the Cutkosky rules and the reduction of Feynman integrals to master integrals. The NLO contribution is noticeable at large $x$ and does not vanish at the threshold of the massive quark pair production due to the Coulomb singularity. It is found that the first moment sum rule of $g_1^γ$ is satisfied up to the NLO.
description: 11 pages, 4 figures; An overall sign of the NLO contribution has been changed. Fig.3 and 4 were replaced by the new ones. As a result, the first sentence in the paragraph just below Eq.(14) was corrected. The minus sign was inserted into the r.h.s of the equation for delta just below Eq.(15). The conclusions are unchanged
Entwicklung neuartiger Influenza-A-subunit-Impfstoffe, basierend auf rekombinanter Kluyveromyces lactis
Creators: name: Gebauer, Mandy
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2018
Subjects: subject: 572

description: Influenza-A-Viren zählen zu den weltweit bedeutendsten respiratorischen Viruspathogenen, die beim Menschen jährlich wiederkehrende Epidemien mit etwa 500.000 Todesfällen verursachen und in der Nutztierhaltung zu ökonomischen Verlusten in Milliardenhöhe führen. Das segmentierte Genom begünstigt die Entstehung von Reassortanten, die zu Pandemien führen können. Aufgrund der Risiken, die mit der Verwendung herkömmlicher Influenzaimpfstoffe einhergehen, besteht ein großer Bedarf an alternativen Impfstoffen. In dieser Arbeit wurden neuartige Subunit-Impfstoffe auf der Basis von Kluyveromyces lactis gegen Influenza-A-Viren entwickelt und charakterisiert. Die subkutane Applikation ganzer Hefezellen, welche das virale Hämagglutinin H1 alleine oder in Kombination mit dem Matrixprotein M1 herstellen, führte im Mausmodell zum Nachweis von Virus-neutralisierenden Antikörpern und zu einem vollständigen Schutz gegen eine letale Virusinfektion nach zwei bzw. einer Immunisierung (Proof of Principle).
description: Influenza A viruses are among the world’s most important respiratory viral pathogens, causing annual epidemics in humans with approximately 500,000 deaths and raise severe damage to poultry industry at economical losses in billions. The segmented genome favours the development of reassortant influenza viruses, which can lead to pandemics. Because of the risks associated with commonly used influenza vaccines, there is a great need for alternative vaccines. Within this work novel subunit vaccines against the influenza A virus based on recombinant Kluyveromyces lactis were developed and characterized. Subcutaneous immunization of whole yeast cells containing the viral hemagglutinin H1 as an individual subunit or in combination with the matrix protein M1, induced neutralizing antibodies in the mouse model and were shown to be fully protective against a lethal virus infection in prime boost and even one shot approaches (proof of principle).
Lepton Private Higgs and the discrete group Σ(81)
Creators: name: BenTov, Yoni
name: Zee, A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We use the discrete group Σ(81) = (Z_3 x Z_3 x Z_3)\rtimes Z_3 to explore a particular region of parameter space in the Private Higgs model. In doing so we suggest a relation among the off-diagonal entries of the neutrino mass matrix and a possible explanation for the muon magnetic moment anomaly, a_μ^{exp}-a_μ^{SM} ~ 10^{-9}. We predict three new nearly degenerate Higgs doublets with masses of order ~ 500 GeV to ~ 1 TeV, and three nearly degenerate SM-singlet TeV-scale neutrinos. The largest scale in the model is ~ 10 TeV, so there is no severe hierarchy problem. The appendix is devoted to the group theory of Σ(81).
description: v4: published in Nucl. Phys. B
MMIC technology and its applications to communication systems
Creators: name: Aikawa, Masayoshi
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 1992
Subjects: ING-INF/01 Elettronica

description: MMIC  technology  has  recently  progressed  rapidly   to  practical   application   in  communication areas.     However,  practical   application   is  not  yet proceeding  very  actively.  This  article  will survey  the  obstacles to promoting the MMIC  applications to communication equipment as well as some solutions to the obstacles.    Some examples of MMIC technology which increase the attractiveness  of  MMICs  are  also  described,  including   their  practical   application   to communication   equipment.
Temperature phased anaerobic sludge digestion with high pressure homogenization pretreatment
Creators: name: Wahidunnabi, Abdullahil Kafi Md.
Publisher: name: University of British Columbia
Year: 2015

description: Management of municipal waste sludge has been a concern as it represents more than half of the total operation and disposal cost of a wastewater treatment plant (WWTP). Among different sludge disposal alternatives, anaerobic digestion has become an attractive option for its ability to generate methane-rich biogas, nutrient-rich fertilizer from organic waste as well as to reduce the sludge volume for final disposal. Recently, endeavors have been made to increase biogas and reduce digester volume requirement by emerging waste pretreatment (disintegration) techniques. This study investigated advance anaerobic digestion involving temperature phased anaerobic digestion (TPAD) coupled with high pressure homogenization (HPH) pretreatment as a new disposal option for the municipal sludge generated by WWTP in Kelowna (BC, Canada). The study began with preliminary examination of thickened waste activated sludge (TWAS) solubilization due to HPH pretreatment at different pressure (6,000 and 12,000 psi) and chemical dose (0.009 to 0.036 g NaOH/g total solids). Homogenizing pressure was found as a statistically significant factor (p-value < 0.05) for enhancing solubilization of particulate chemical oxygen demand (COD) and biopolymers in TWAS and particle size reduction of TWAS. A pretreatment with chemical dose of 0.009 g NaOH/g total solids and pressure of 12,000 psi was selected for digester studies. Upon acclimation of anaerobic inocula, a total number of twelve lab-scale digesters were operated under scenarios including single-stage (control), TPAD, and HPH coupled with TPAD (HPH+TPAD) at sludge retention times (SRTs) of 20, 14 and 7 days. Overall, mesophilic digestion was found to be benefited significantly from pretreatments. Relative (to control) improvements in methane yield and COD removals increased noticeably as SRT was shortened from 20 to 14 and 7 days. HPH+TPAD system was found to achieve maximum methane production and COD removals. Both TPAD and HPH+TPAD systems produced nearly Class A biosolids according to organic matter recycling regulation (OMRR) of British Columbia (BC), at 20 d SRT while digestates from all systems were qualified as Class B. Energy analysis indicated that all the digestion scenarios attained positive energy balance with HPH+TPAD system operated at 20 d SRT producing maximum net energy of 72.4 to 79.2 GJ/d.
Commercial   GaAs  MMIC   applications in the United States
Creators: name: Huang, Charles
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 1992
Subjects: ING-INF/01 Elettronica

description: Commercial   applications   of  GaAs  MMICs   in  the  United   States   are reviewed  from both technology  and  market  standpoints.
Distributed MAC Protocol Supporting Physical-Layer Network Coding
Creators: name: Wang, Shiqiang
name: Song, Qingyang
name: Wang, Xingwei
name: Jamalipour, Abbas
Publisher: name: arXiv
Year: 2011
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Physical-layer network coding (PNC) is a promising approach for wireless networks. It allows nodes to transmit simultaneously. Due to the difficulties of scheduling simultaneous transmissions, existing works on PNC are based on simplified medium access control (MAC) protocols, which are not applicable to general multi-hop wireless networks, to the best of our knowledge. In this paper, we propose a distributed MAC protocol that supports PNC in multi-hop wireless networks. The proposed MAC protocol is based on the carrier sense multiple access (CSMA) strategy and can be regarded as an extension to the IEEE 802.11 MAC protocol. In the proposed protocol, each node collects information on the queue status of its neighboring nodes. When a node finds that there is an opportunity for some of its neighbors to perform PNC, it notifies its corresponding neighboring nodes and initiates the process of packet exchange using PNC, with the node itself as a relay. During the packet exchange process, the relay also works as a coordinator which coordinates the transmission of source nodes. Meanwhile, the proposed protocol is compatible with conventional network coding and conventional transmission schemes. Simulation results show that the proposed protocol is advantageous in various scenarios of wireless applications.
description: Final version
CEC and ESA activities in the area of GaAs and related III-V compounds
Creators: name: Mbaye, A.
name: Gatti, G.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 1992
Subjects: ING-INF/01 Elettronica

description: The Commission of European Communities (CEC) and the European Space Agency (ESA) have been involved for several years in activities related to the development and application of GaAs and related compounds devices. This paper highlights the main goal of the most recent projects.
GaAs integrated circuits with normally-off processes : a real market opportunity
Creators: name: Gourrier, Serge
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 1992
Subjects: ING-INF/01 Elettronica

description: GaAs normally-off FET processes have now reached a maturity level such that their application domains extend to VLSI digital circuits, analogue and mixed-signal analogue/digital circuits. They represent a real market opportunity for the GaAs industry and several manufacturers both in the US and Europe offer now stabilised  and industrial normally-off processes. This paper describes typical represervative normally-off processes and review the main application areas with a critical comparison between the competing technologies. Future trends are also pre-sented.
Pseudo-random pulsed IV characterisation system for GAAS MESFET/HEMT devices
Creators: name: Rodriguez-Tellez, J.
name: Fernandez, T.
name: Mediavilla, A.
name: Tazon, A.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: A novel experimental system for observing the dependence of the trapping states on electric field for GaAs MESFET/HEMT devices is presented. The new procedure employs a pseudo-random pulse characterisation system for observing the memory effect in these devices. The results indicate that the trapping effect is more serious than may be thought.
Electronic states in heterostructures formed by ultranarrow layers
Creators: name: Vasko, F. T.
name: Mitin, V. V.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Low-energy electronic states in heterosrtuctures formed by ultranarrow layer (single or several monolayers thickness) are studied theoretically. The host material is described within the effective mass approximation and effect of ultranarrow layers is taken into account within the framework of the transfer matrix approach. Using the current conservation requirement and the inversion symmetry of ultranarrow layer, the transfer matrix is written through two phenomenological parameters. The binding energy of localized state, the reflection (transmission) coefficient for the single ultranarrow layer case, and the energy spectrum of superlattice are determined by these parameters. Spectral dependency of absorption in superlattice due to photoexcitation of electrons from localized states into minibands is strongly dependent on the ultranarrow layers characteristics. Such a dependency can be used for verification of the transfer matrix parameters.
description: 7 pages, 7 figures
Development of time domain behanioural non-linear models for microwave devices and ICS from vectorial large-signal measurements and simulations
Creators: name: Schreurs, D.
name: Tufillaro, N.
name: Wood, J.
name: Usikov, D.
name: Barford, L.
name: Root, D.E.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: We have developed a procedure to determine a behavioural non-linear model for microwave devices and ICs that is directly based on vectorial large-signal measurements. For the examples of a HEMT and an amplifier IC, we represent the terminal currents in the time domain by a dynamic model that is fitted to the embedded terminal voltages.
A new technique for noise figure measurements of millimetre-wave mixers
Creators: name: Brabetz, T.
name: Fusco, V.F.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: A novel noise measurement method for mixers which exploits mixer noise figure variation with LO power is reported. The method allows for the first time high noise figures, e.g. at the maximum conversion gain point of millimetre wave mixers, to be found. With the technique proposed, noise figures as high as 20 dB can be accurately measured. The suggested method and its advantage over the conventional hot/cold noise measurement are demonstrated for a 65 GHz millimetre-wave GaAs MMIC down converter. For the mixer under test, the measured noise figures obtained were 9.3 dB with 7 dBm LO power and 15.1 dB with 13 dBm LO power, and the respective conversion gains were –1 dB (low noise point) and +3 dB (maximum conversion gain point).
A universal measurement system for microwave power transistors
Creators: name: Heymann, P.
name: Doerner, R.
name: Rudolph, M.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: We describe a measurement system for model parameter extraction and full characterization of power transistors in frequency and time domain. It provides bias dependent linear S parameters, power transfer characteristics, intermodulation data, and RF waveforms in dependence on harmonic load tuning. The power level exceeds 30 dBm for highly mismatched devices. The system is for full on-wafer operation including all calibration steps. Examples of measurements, e.g. RF-I/V curves, are presented for low-voltage GaInP/GaAs HBTs. These experimental results are confirmed by a scaleable large-signal HBT model, which demonstrates both usefulness of the measurement system and performance of the nonlinear model.
Nonperturbative effects of Topological Theta-term
Creators: name: Xu, Cenke
name: Ludwig, Andreas W. W.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the effects of a topological Theta-term on 2+1 dimensional principal chiral models (PCM), which are nonlinear sigma models defined on Lie group manifolds. We find that when Theta = pi, the nature of the disordered phase of the principal chiral model is strongly affected by the topological term: it is either a gapless conformal field theory, or it is gapped and two-fold degenerate. The result of our paper can be used to analyze the boundary states of three dimensional symmetry protected topological phases.
description: 6 pages, 3 figures
Near-field measurement of microwave active devices
Creators: name: Gasquet, D.
name: Nativel, L.
name: Arcambal, C.
name: Castagné, M.
name: Dhondt, F.
name: Mazari, B.
name: Eudeline, P.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: A completely new near field mapping system based on micro monopole antenna has been developed in order to determine the electric near-field at the surface of MMIC. The possibilities of this innovative experimental setup are shown by 2D mapping of a bend 5 line deposited on GaAs substrate and a coupled-line filter on Duroid 6002. These  are supported by 3D electromagnetic simulations. We finally give some results obtained on a real MMIC with a medium resolution of 50µm. The industrial applications are clearly the reliability issues of microwave power devices but also a new tool for MMIC designers. The knowledge of radiated near field will also contribute to optimize the packaging of microwave functions.
Bending the box : learning from Indigenous students transitioning from high school to university
Creators: name: Parent, Amy
Publisher: name: University of British Columbia
Year: 2014

description: The purpose of this study was to understand how the unique social, historical, cultural, and Indigenous knowledge contexts of Aboriginal communities in British Columbia shaped high school to university transitions for Aboriginal youth. To this end, the Northwest Coast bentwood box acted as a metaphor that framed the theoretical inquiry and methodology for this study, which examined four Aboriginal Early University Promotion Initiatives (AEUPI) and three Aboriginal University Transition Programs (AUTP) in British Columbia. In addition, I utilized Archibald’s (2008) storywork and Kirkness and Barnhardt’s (1991) 4Rs of Indigenous methodologies, with an additional 5th R (relationships). The study also drew upon Martin Nakata’s (2007) concept of the cultural interface, to analyze 32 interviews conducted with Aboriginal youth, and faculty and staff from the AEUPIs and AUTPs. Key findings from the Aboriginal youth in this study suggest that learning about university through real-life experience offered by the initiatives/programs was meaningful. Second, both the AEUPIs and AUTPs provided youth with concrete opportunities to explore future academic and career pathways. Third, ensuring that the youth were provided with opportunities to develop relationships with positive Aboriginal role models in the university was seen as a success factor. Fourth, the AEUPI youth shared stories about the important leadership skills they developed as role models and mentors to younger youth in the initiatives, which in turn assisted them with their visioning process for university. Fifth, the students’ sense of belonging at university was fostered by relationships with AEUPI and AUTP staff, Indigenous student support staff, Elders, and faculty. Sixth, the AEUPI youth overwhelmingly agreed that the experiences they had in these initiatives led them to feel wholistically successful. However, the AUTP youth had a conflicting experience. Ultimately, insights from the youths’ stories suggest that the future of AEUPIs and AUTPs is a promising one if universities take heed. To this end, all participants in the study critically detailed how Canadian universities can apply a wholistic conception of the 5 Rs to Indigenous high school to university transition programs.
Cosmological quantum tunneling and holographic principle
Creators: name: Darabi, F.
name: Jalalzadeh, S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The probable trajectory of the ground state wave function of the universe arises through a quantum tunneling by gravitational instantons. We calculate the quantum tunneling rate for a $n>2$ dimensional closed Friedmann-Robertson-Walker universe with a positive cosmological constant. In four dimensions, by using of the holographic principle, the tunneling rate is related to the maximal entropy of the early universe after quantum tunneling.
description: 9 pages, Title changed, major revision
Molecular beam epitaxy of modulation doped N-AlGaAs/(InAs/GaAs)/GaAs superlattices at thikness of InAs layers below and near threshold of nucleation quantum dots for high frequency applications
Creators: name: Mokerov, V.G.
name: Fedorov, Yu.V.
name: Hook, A.V.
name: Velikoski, L.E.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: Modulation doped N-AlGaAs/GaAs/InAs/GaAs/InAs/GaAs-heterostructures  with InAs-quantum dots have been grown and investigated. Their photoluminescence spectra and electrical transport properties both in low and high electric fields were studied. Using these structures, modulation doped FET’s have been fabricated and analyzed. It was demonstrated that the quantum dot FET’s present the new type of the hot electron devices, promising for high frequency applications.
Technological and geometrical optimisation of InP HBT driver circuit
Creators: name: Kauffmann, N.
name: Blayac, S.
name: André, P.
name: Riet, M.
name: Benchimol, J.L.
name: Konczykowska, A.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: The design of high speed circuits and optimization in function of technological and geometrical parameters are presented. MUX-driver design and optimization for 40 Gb/s ETDM transmission illustrate the proposed approach. The impact of collector thickness (WC) on driver performances is evaluated and assessed by circuit fabrication and measurements. 40 Gb/s electrical measurements of the realized MUX-driver module are presented.
Synthese, Modifizierung, Strukturaufklärung und biologische Evaluierung von Naturstoffen aus Pilzen der Gattung Hygrophorus
Creators: name: Bette, Eileen
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2017
Subjects: subject: 572

description: Aufgrund ihrer vielversprechenden biologischen Eigenschaften wurden im Rahmen dieser Arbeit verschiedene Naturstoffe aus Pilzen der Gattung Hygrophorus synthetisiert und auf ihre antifungalen Eigenschaften gegen verschiedene Phytopathogene untersucht. Fettsäuren mit γ-Oxocrotonatstruktur waren ausgehend von Furan in einer einfachen Synthesesequenz zugänglich. Zur Optimierung der antifungalen Eigenschaften wurden alle Strukturelemente modifiziert und anschließend Struktur-Wirkungs-Beziehungen aufgestellt. Des Weiteren wurden Hygrophorone in einer asymmetrischen Totalsynthese hergestellt. Schlüsselschritte waren hier eine Sharpless-Dihydroxylierung, eine Aldolreaktion und eine Dieckmann-artige Cyclisierung. Durch NMR-spektroskopische Untersuchungen und eine Röntgeneinkristallstrukturanalyse wurden die absoluten Konfigurationen aller Stereozentren vollständig aufgeklärt. Außerdem wurden auch strukturell mit den Hygrophoronen verwandte, aber synthetisch leichter zugängliche Cyclopentenone synthetisiert.
description: Due to their promising biological properties, different natural products from fungi of the genus Hygrophorus were synthesized and investigated on their antifungal properties against various phytopathogens in the context of this work.Fatty acids with γ-oxocrotonate structure were accessible in a simple synthetic sequence from furan. To optimize the antifungal properties, all structural elements were modified and structure-activity relationships were evaluated. Furthermore, hygrophorones were synthesized in an asymmetric total synthesis. Key steps in this synthesis were a Sharpless dihydroxylation, an aldol reaction and a Dieckmann-type cyclization. The absolute configurations of all stereocenters were completely elucidated by NMR spectroscopy and a single crystal X-ray analysis. In addition, also cyclopentenones, which were structurally closely related to hygrophorones, but synthetically easier accessible, were also synthesized.
Theory of photospheric emission from relativistic outflows
Creators: name: Ruffini, R.
name: Siutsou, I. A.
name: Vereshchagin, G. V.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: In this paper we reexamine the optical depth of ultrarelativistic spherically symmetric outflows and reevaluate the photospheric radius for each model during both the acceleration and coasting phases. It is shown that for both the wind and the shell models there are two asymptotic solutions for the optical depth during the coasting phase of the outflow. In particular we show that quite counterintuitively a geometrically thin shell may appear as a thick wind for photons propagating inside it. For this reason we introduce notions of photon thick and photon thin outflows, which appear more general and better physically motivated with respect to winds and shells. Photosphere of relativistic outflow is a dynamic surface. We study its geometry and find that the photosphere of photon thin outflow has always a convex shape, while in the photon thick one it is initially convex (there is always a photon thin layer in any outflow) and then it becomes concave asymptotically approaching the photosphere of an infinitely long wind. We find that both instantaneous and time integrated observed spectra are very close to the thermal one for photon thick outflows, in line with existing studies. It is our main finding that the photospheric emission from the photon thin outflow produces non thermal time integrated spectra, which may be described by the Band function well known in the GRB literature. We find that energetic GRBs should produce photon thin outflows with photospheric emission lasting less than one second for the total energy $E_0\leq10^{54}$ erg and baryonic loading parameter $B\leq10^{-2}$. It means that only time integrated spectra may be observed from such GRBs.
description: Revision of the previous version, new effect is discussed. Conclusions remain unchanged
Die Entwicklung der glandulären Typ VI Trichome von wilden (Solanum habrochaites) und kultivierten Tomaten (Solanum lycopersicum)
Creators: name: Bergau, Nick
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2017
Subjects: subject: 572

description: Glanduläre Trichome sind haarähnliche Strukturen, die große Mengen an Sekundärmetaboliten produzieren und lagern. In Wildtomaten spielen sie eine wichtige Rolle bei der Abwehr von Pflanzenschädlingen, während sie diese Aufgabe in den Kulturformen der Tomate nur noch sehr eingeschränkt erfüllen. Durch Mikroskopie, Immunhistologie, Massenspektrometrie und Transkriptanalysen konnte ein grundlegender Einblick in die Entwicklung der Typ VI Trichome der Wildtomate SolanumhabrochaitesLA1777 und der Kulturtomate Solanum lycopersicumLA4024 gewonnen werden. Der hierbei gewonnene Überblick über Gemeinsamkeiten und Unterschiede der Trichomentwicklung von Wild-und Kulturtomate stellt einen Ausgangspunkt für weitere funktionelle Analysen der Trichomentwicklung und die Wiedereinführung natürlicher Resistenzen in die Kulturtomaten dar.
description: Glandular trichomes are hair-like structures that produce and store large quantities of secondary metabolites. In wild tomatoes they are involved in deterring herbivores and pests, where as cultivated tomatoes lack most of these natural resistances. In this study insights into the development of the glandular type VI trichomes of the wild tomato accession Solanum habrochaitesLA1777 and the cultivated tomato accession Solanum lycopersicumLA4024 were obtained by microscopy, immunostainings, mass spectrometry and gene expression analyses. These revealed similarities and differences of type VI trichome development in the wild and the cultivated tomatoes species and represent a basis for further functional investigations of the trichome development as well as for the breeding of natural resistances in cultivated tomatoes.
Tuning the mobility of a driven Bose-Einstein condensate via diabatic Floquet bands
Creators: name: Salger, T.
name: Kling, S.
name: Denisov, S.
name: Ponomarev, A. V.
name: Hanggi, P.
name: Weitz, M.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the response of ultracold atoms to a weak force in the presence of a temporally strongly modulated optical lattice potential. It is experimentally demonstrated that the strong ac-driving allows for a tailoring of the mobility of a dilute atomic Bose-Einstein condensate with the atoms moving ballistically either along or against the direction of the applied force. Our results are in agreement with a theoretical analysis of the Floquet spectrum of a model system, thus revealing the existence of diabatic Floquet bands in the atom's band spectra and highlighting their role in the non-equilibrium transport of the atoms.
Small signal and power performance of AlGaN/GaN HFETs grown on s.i.SiC
Creators: name: Wieszt, A.
name: Dietrich, R.
name: Lee, J.-S.
name: Vescan, A.
name: Leier, H.
name: Piner, E.L.
name: Redwing, J.M.
name: Sledzik, H.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: We report on the DC,the mall ignal and the RF power performance of AlGaN/GaN HFET grown on emi in ulating (.i.)SiC ubstrate.DC characterization how a record transconductance of 300mS/mm for a device  ith a gatelength of 0.3 µm.Load pull measurements at 10 GHz were performed,indicating output power levels above 4Watts cw for a unpas ivated 1.6mm device.Finally,tandard equivalent circuit parameter are extracted and verified for devices with different gatewidths.
Additional file 1 of Effect of hypertension on outcomes of adult inpatients with COVID-19 in Wuhan, China: a propensity score–matching analysis
Creators: name: Yang, Qing
name: Zhou, Ying
name: Wang, Xinrong
name: Gao, Shan
name: Xiao, Yang
name: Zhang, Weiming
name: Hu, Yi
name: Wang, Yafei
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1:Table S1. shown thant results of univariate Kaplan-Meier analysis for all participators. Table S2. listed the baseline characteristics of critically ill patients. Baseline characteristics of critically ill patients with and without hypertension were presented in the Table S3.
Mechanical response of an inclined frictional granular layer approaching unjamming
Creators: name: Atman, A. P. F.
name: Claudin, P.
name: Combe, G.
name: Mari, R.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We present an orthotropic elastic analysis of frictional granular layers under gravity by studying their stress response to a localized overload at the layer surface for several substrate tilt angles. The distance to the unjamming transition is controlled by the tilt angle α with respect to the critical angle α_c. We find that the shear modulus of the system decreases with α, but reaches a finite value as αtends to α_c. We also analyze the vibration modes of the system and show that the soft modes play an increasing, though not crucial, role approaching the transition.
description: 6 pages, 5 figures, improved version
Polynomial Growth Harmonic Functions on Finitely Generated Abelian Groups
Creators: name: Hua, Bobo
name: Jost, Juergen
name: Li-Jost, Xianqing
Publisher: name: arXiv
Year: 2011
Subjects: subject: Metric Geometry (math.MG)
subject: FOS: Mathematics
subject: 31C05, 05C63, 82B41

description: In the present paper, we develop geometric analytic techniques on Cayley graphs of finitely generated abelian groups to study the polynomial growth harmonic functions. We develop a geometric analytic proof of the classical Heilbronn theorem and the recent Nayar theorem on polynomial growth harmonic functions on lattices $\mathds{Z}^n$ that does not use a representation formula for harmonic functions. We also calculate the precise dimension of the space of polynomial growth harmonic functions on finitely generated abelian groups. While the Cayley graph not only depends on the abelian group, but also on the choice of a generating set, we find that this dimension depends only on the group itself.
description: 15 pages, to appear in Ann. Global Anal. Geom
Monolithic integration of metamorphic pin DIODES and HFETs for heterointegrated MMICs
Creators: name: Ziegler, Volker
name: Gässler, Christoph
name: Wölk, Claus
name: Deufel, Reinhard
name: Berlec, Franz-Josef
name: Dickmann, Jürgen
name: Käb, Norbert
name: Schumacher, Hermann
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: This paper presents for the first time the monolithic integration of In0.53Ga0.47As PIN diodes and In0.53Ga0.47As/In0.52Al0.48As HFETs on one GaAs substrate. To the best of our knowledge, this is the first approach that these metamorphic devices are heterointegrated on a single GaAs wafer. Special attention was paid to the surface roughness of the layers which was monitored with an atomic force microscope during the processing. Taking advantage of this combined technology, metamorphic PIN diodes and HFETs were processed simultaneously and used to realize different mm-wave circuits on this wafer. The HFETs with a gate-length of 0.12 µm demonstrate an extrinsic transconductance of 772mS/mm and cut-off frequencies of fT = 137GHz and fmax = 212GHz. The fabricated SPDT (single-pole double-throw) switch has an insertion loss smaller than 2.5dB and an isolation larger than –21dB from 39GHz to 79GHz and the single-stage amplifier exhibits a gain of 6.5dB at 54GHz.
Cayaponia tayuya Cogn.
Creators: name: Araújo, Diogo
name: Alves, Marccus
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Cucurbitales
Cucurbitaceae
Cayaponia
Cayaponia tayuya

description: 30. Cayaponia tayuya (Vell.) Cogn. (Fig. 1C)
Ecuador, Bolivia, Brazil (widely distributed). Pluvial and dry Atlantic forest, restinga and caatinga (Klein 2000).
Selected Voucher— Santa Helena, Sá e Silva 176 (UFP); Pezinho, Alves-Araújo 576 (UFP).
description: Published as part of Araújo, Diogo & Alves, Marccus, 2010, Climbing plants of a fragmented area of lowland Atlantic Forest, Igarassu, Pernambuco (northeastern Brazil), pp. 1-24 in Phytotaxa 8 on page 17, DOI: 10.11646/phytotaxa.8.1.1, http://zenodo.org/record/4893863
Limits of Reliable Communication with Low Probability of Detection on AWGN Channels
Creators: name: Bash, Boulat A.
name: Goeckel, Dennis
name: Towsley, Don
Publisher: name: arXiv
Year: 2012
Subjects: subject: Information Theory (cs.IT)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: We present a square root limit on the amount of information transmitted reliably and with low probability of detection (LPD) over additive white Gaussian noise (AWGN) channels. Specifically, if the transmitter has AWGN channels to an intended receiver and a warden, both with non-zero noise power, we prove that $o(\sqrt{n})$ bits can be sent from the transmitter to the receiver in $n$ channel uses while lower-bounding $α+β\geq1-ε$ for any $ε>0$, where $α$ and $β$ respectively denote the warden's probabilities of a false alarm when the sender is not transmitting and a missed detection when the sender is transmitting. Moreover, in most practical scenarios, a lower bound on the noise power on the channel between the transmitter and the warden is known and $O(\sqrt{n})$ bits can be sent in $n$ LPD channel uses. Conversely, attempting to transmit more than $O(\sqrt{n})$ bits either results in detection by the warden with probability one or a non-zero probability of decoding error at the receiver as $n\rightarrow\infty$.
description: Major revision in v2. Context, esp. the relationship to steganography updated. Also, added discussion on secret key length. Results are unchanged from previous version. Minor revision in v3. Major revision in v4, Clarified derivations (adding appendix), also context, esp. relationship to previous work in communication updated. Results are unchanged from previous revisions
70 GHZ FMAX fully-depleted SOI MOSFET’S for low-power wireless applications
Creators: name: Raynaud, C.
name: Faynot, O.
name: Pelloie, J.-L.
name: Tabone, C.
name: Grouillet, A.
name: Martin, F.
name: Dambrine, G.
name: Vanmackelberg, M.
name: Picheta, L.
name: Mackowiak, E.
name: Brut, H.
name: Llinares, P.
name: Sevenhans, J.
name: Compagne, E.
name: Fletcher, G.
name: Flandre, D.
name: Dessard, V.
name: Vanhoenacker, D.
name: Raskin, J.-P.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2000
Subjects: ING-INF/01 Elettronica

description: For the first time, excellent microwave performances including high frequency noise are ported for 0.25 micron gate channel length Fully Depleted (FD) Silicon-on-Insulator (SOI) MOSFET’s: a maximum extrapolated oscillation frequency (fmax) of 70 GHz and the state-of-the-art minimum noise figure (NFmin) of 0.8 dB with high available associated gain (Gass) of 13 dB at 6 GHz, at Vds = 0.75 V, Pdc < 3 mW, have been measured. We demonstrate that the kink related low frequency noise overshoot induced by the floating body effects disappears if the active silicon film thickness is thinned down to 30 nm. Ring oscillators measurements show also that SOI inverters are 30% faster than bulk ones. Finally, the operation at 1.8 V of a sigma delta modulator as well as of critical RF circuits (quadrature generator and mixers) for a zero IF 2 GHz GSM receiver has been demonstrated with this technology.
Formation of defects at high temperature plastic deformation of gallium arsenide
Creators: name: Mikhnovich, Vladimir V.
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 2006
Subjects: subject: Galliumarsenid
subject: Plastische Deformation
subject: Hochtemperatur
subject: Positronen-Annihilations-Spektroskopie
subject: Gitterbaufehler
subject: Elektronische Publikation
subject: Hochschulschrift
subject: Online-Publikation
subject: Zsfassung in dt. Sprache
subject: 537.6223

description: Das Hauptaugenmerk dieser Arbeit war auf die plastische Deformation von einkristallinem, [110]-orientiertem GaAs (n-Typ, tellurdotiert, Konzentration freier Ladungsträger 5,0·1017 cm-3, Ausgangsversetzungsdichte Nd = 104 cm-2) im Temperaturbereich von 800 bis 1000 °C bei verschiedenen Verformungsraten gerichtet. Die Deformation der Proben geschah im dynamischen Regime, d. h. bei konstanter Verformungsrate während des gesamten Prozesses. Die Experimente mussten unter Probeneinkapselung mit B2O3 erfolgen, um das Abdampfen von Arsen zu verhindern. Um die Konzentration von Defekten zu bestimmen, die in den Proben während des Deformationsprozesses erzeugt wurden, kam die Positronenannihilationsspektroskopie (PAS) zu Einsatz. Die Defekttypen wurden durch die Analyse des Positronenlebensdauerspektrums bestimmt. In allen deformierten Proben wurden entweder Leerstellenagglomerate oder Punktdefekte (Mono- und Divakanzen) gefunden. Bei Änderung von Deformationstemperatur und Verformungsrate änderte sich der Typ der Positronenfallen. Bei hoher Deformationstemperatur von GaAs ist die Bildungskinetik von Leerstellen sowohl von Primärprozessen (Bildung von Leerstellen während der Bewegung von Versetzungen mit Sprüngen) als auch von Sekundärprozessen (Dissoziation von Leerstellenagglomeraten) beeinflusst.
description: In this thesis the main attention has been paid for the plastic deformation of GaAs single crystal n - type, tellurium - doped with free electron concentration of 5,0·1017 cm-3 and initial dislocation density Nd = 104 cm-2 over the range of temperature from 800°C to 1000°C in [110] direction at different strain rates. Samples deformation was implemented in dynamic regime, i.e. at a constant strain rate during the whole process. The actual experiments had to be performed by encapsulating the specimens with liquid B2O3 to suppress the evaporation of arsenic. To determine the concentration of defects introduced in samples during the deformation process the positron annihilation spectroscopy (PAS) method was used. Types of defects were determined through analysis of positron lifetime spectrum. In all deformed samples either accumulations of vacancies or point defects (monovacancies and divacancies) have been found. When changing the deformation temperature and the strain rate, the type of positron traps changes. At high - temperature deformation of GaAs, the kinetics of the formation of accumulations of vacancies is influenced both by primary processes (generation of vacancies during movement of dislocations with jogs), and secondary ones (dissociation of accumulations of vacancies).
Interpretazione innovativa della “corrente di spostamento” di J.C. Maxwell
Creators: name: Landini, Marco
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2012
Subjects: FIS/02 Fisica teorica, modelli e metodi matematici
FIS/08 Didattica e storia della fisica
ING-IND/31 Elettrotecnica

description: Con questo lavoro si intende generalizzare l’impiego della funzione derivata del flusso elettrico “dΨ/dt” nel calcolo del campo magnetico. Attribuire a questa grandezza il ruolo di causa prima nella generazione della “tensione magnetica” conduce ad un interessante unificazione dei fenomeni elettrici: corrente di spostamento e corrente di conduzione vengono interpretate come aspetti complementari della stessa fenomenologia, ovvero variazione di flusso elettrico in opportune superfici di calcolo. L’impiego della  funzione “dΨ/dt” consente il recupero di una simmetria formale nelle relazioni circuitazione-induzione e.m. del modello Maxwelliano. Infine viene fornita un’espressione generalizzata della “dΨ/dt”
Profilo di Gustavo Modena, Modena rivisto. Due studi di Claudio Meldolesi
Creators: name: Mariani, Laura
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2012
Subjects: L-ART/05 Discipline dello spettacolo

description: Vengono qui proposti due saggi di Claudio Meldolesi (1942-2009) nella loro veste originaria: Profilo di Gustavo Modena. Teatro e rivoluzione democratica, un libro del
1971 ormai introvabile, e Modena rivisto, breve ma sostanzioso ritorno su alcuni nodi
cruciali della precedente monografia, sollecitato dallo spettacolo Negli spazi oltre la
luna. Stramberie di Gustavo Modena, promosso e realizzato dallo studioso insieme
all’attore regista Renato Carpentieri (Teatro La Soffitta di Bologna, 24 marzo 1983).
La visione politica di Modena (1803-1861), uomo del Risorgimento, e la nuova
figura di attore cittadino da lui inaugurata; la centralità della recitazione come
linguaggio autonomo di creazione e l’uso della «sfasatura»; la tensione pedagogica e
l’invenzione della compagnia dei giovani; le grandi interpretazioni e il sogno di un
teatro altro, fra Saul, le rappresentazioni dantesche e il riferimento a Shakespeare; la
scrittura epistolare e letteraria con le sue accensioni teatrali e i suoi rabbiosi rifiuti:
attraverso questi e altri nodi vengono riproposte l’arte e la vita di uno dei maggiori
attori italiani.

Here we present two books by Claudio Meldolesi (1942-2009) in their original form:
his 1971, out of print monograph Profilo di Gustavo Modena. Teatro e rivoluzione
democratica, and Modena rivisto, a short but substantial revisitation of some of the
crucial points analyzed in the earlier study. The latter work was stimulated by the
performance piece Negli spazi oltre la luna. Stramberie di Gustavo Modena, which
was written and promoted by Claudio Meldolesi together with actor/director Renato
Carpentieri (Teatro La Soffitta di Bologna, March 24, 1983). The art and life of
Gustavo Modena (1803-1861), one of Italy’s most important actors, is thoroughly
explored through a meticulous reconstruction of his political vision as a participant in
Italy’s Risorgimento and his efforts to create a new figure, that of the actor/citizen.
Other major topics addressed in the studies are the centrality of performance as an
autonomous creative language; his use of “sfasatura” (out of sync timing); his
attention to pedagogy and his invention of the “young actors company”; his great
performances and dream of an “Other” type of theater, between his re-enactments of
Saul, Dante’s cantoes, references to Shakespeare; and, finally, his epistolary and
literary writings characterized by his theatrical enthusiasm and wrathful refusals.
Gurania acuminata Cogn.
Creators: name: Araújo, Diogo
name: Alves, Marccus
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Cucurbitales
Cucurbitaceae
Gurania
Gurania acuminata

description: 31. Gurania acuminata Cogn. (Fig. B)
Colombia, Venezuela, Guyanas, Ecuador, Peru, Bolivia, Brazil (Acre, Amazonas, Rondônia, Pernambuco, Bahia) (Kearns 1998).
Selected Voucher—Macacos, Melo et al. 61 (UFP).
description: Published as part of Araújo, Diogo & Alves, Marccus, 2010, Climbing plants of a fragmented area of lowland Atlantic Forest, Igarassu, Pernambuco (northeastern Brazil), pp. 1-24 in Phytotaxa 8 on page 17, DOI: 10.11646/phytotaxa.8.1.1, http://zenodo.org/record/4893863
АНАЛИЗ СОВРЕМЕННОГО СОСТОЯНИЯ РЫНКА ОБРАЗОВАТЕЛЬНЫХ УСЛУГ ВЫСШИХ УЧЕБНЫХ ЗАВЕДЕНИЙ РЕСПУБЛИКИ УЗБЕКИСТАН
Creators: name: Тураева, Динара
Publisher: name: Zenodo
Year: 2023

description: В статье проведён анализ современного состояния рынка образовательных услуг высших учебных заведений Республики Узбекистан. По мнению автора, маркетинг играет важную роль в привлечении студентов, управлении ценообразованием, развитии новых программ и сотрудничестве с работодателями, что в свою очередь влияет на доходы высших учебных заведений.
Voltage induced conformational changes and current control in charge transfer through molecules
Creators: name: Kecke, Lars
name: Ankerhold, Joachim
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Transport through molecular contacts with a sluggish intramolecular vibrational mode strongly coupled to excess charges is studied far from equilibrium. A Born-Oppenheimer approximation in steady state reveals voltage dependent energy surfaces which cause abrupt conformational changes of the molecular backbone. These are directly related to transitions between current plateaus which are relatively robust against thermal fluctuations and appear in patterns reminiscent of Coulomb diamonds. In a regime accessible in experiments bias and gate voltages allow for an efficient control of charge transfer or may trigger a molecular rotor.
description: 6 pages, 8 figures