cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Electromagnetic thermal instability with momentum and energy exchange between electrons and ions in galaxy clusters
Creators: name: Nekrasov, Anatoly K.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Thermal instability in an electron-ion magnetized plasma, which is relevant in the intragalactic medium (IGM) of galaxy clusters, solar corona, and other two-component plasma objects is investigated. We apply the multicomponent plasma approach when the dynamics of all species is considered separately through the electric field perturbations. General expressions for the dynamical variables obtained in this paper can be applied for a wide range of astrophysical and laboratory plasmas also containing neutrals and dust grains. We assume that background temperatures of electrons and ions are different and include the energy exchange in the thermal equations for the electrons and ions along with the collisional momentum exchange in the equations of motion. We take into account the dependence of collision frequency on the density and temperature perturbations. The cooling-heating functions are taken for both electrons and ions. A condensation mode of thermal instability has been studied in the fast sound speed limit. A new dispersion relation including the different electron and ion cooling-heating functions and other effects mentioned above has been derived and its simple solutions for growth rates in the limiting cases have been found. We have shown that the perturbations have an electromagnetic nature. The crucial role of the electric field perturbation along the background magnetic field in the fast sound speed limit has been demonstrated. We have found that at conditions under consideration, the condensation must occur along the magnetic field while the transverse scale sizes can be both larger and smaller than the longitudinal ones. The results obtained can be useful for interpretation of observations of dense cold regions in astrophysical objects.
description: Accepted for publication in Astrophysical Journal
Additional file 1 of Exosomes containing miRNAs targeting HER2 synthesis and engineered to adhere to HER2 on tumor cells surface exhibit enhanced antitumor activity
Creators: name: Wang, Lei
name: Zhou, Xusha
name: Zou, Weixuan
name: Wu, Yinglin
name: Zhao, Jing
name: Chen, Xiaoqing
name: Zhou, Grace Guoying
Publisher: name: figshare
Year: 2020
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: Developmental Biology
subject: Cancer

description: Additional file 1: Figure S1. Screening knock-down efficacy of transfected plasmids expression miR-HER2. Figure S2. The endogenous expression of HER2 in different tumor cell lines. Figure S3. Downregulation of HER2 expression with miR-HER2-E1 in SK-OV-3 xenograft model.
Ultraviolet tails and trails in cluster galaxies: A sample of candidate gaseous stripping events in Coma
Creators: name: Smith, Russell J.
name: Lucey, John R.
name: Hammer, Derek
name: Hornschemeier, Ann E.
name: Carter, David
name: Hudson, Michael J.
name: Marzke, Ronald O.
name: Mouhcine, Mustapha
name: Eftekharzadeh, Sareh
name: James, Phil
name: Khosroshahi, Habib
name: Kourkchi, Ehsan
name: Karick, Arna
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We have used new deep observations of the Coma cluster from GALEX to identify 13 star-forming galaxies with asymmetric morphologies in the ultraviolet. Aided by optical broad-band and H-alpha imaging, we interpret the asymmetric features as being due to star formation within gas stripped from the galaxies by interaction with the cluster environment. The selected objects display a range of structures from broad fan-shaped systems of filaments and knots (`jellyfish') to narrower and smoother tails extending up to 100 kpc in length. Some of the features have been discussed previously in the literature, while others are newly identified here. As an ensemble, the candidate stripping events are located closer to the cluster centre than other star-forming galaxies; their radial distribution is similar to that of all cluster members, dominated by passive galaxies. The fraction of blue galaxies which are undergoing stripping falls from 40% in the central 500 kpc, to less than 5% beyond 1 Mpc. We find that tails pointing away from (i.e. galaxies moving towards) the cluster centre are strongly favoured (11/13 cases). From the small number of `outgoing' galaxies with stripping signatures we conclude that the stripping events occur primarily on first passage towards the cluster centre, and are short-lived compared to the cluster crossing time. Using infall trajectories from simulations, the observed fraction of blue galaxies undergoing stripping can be reproduced if the events are triggered at a threshold radius of ~1 Mpc and detectable for ~500 Myr. HST images are available for two galaxies from our sample and reveal compact blue knots coincident with UV and H-alpha emission, apparently forming stars within the stripped material. Our results confirm that stripping of gas from infalling galaxies, and associated star formation in the stripped material, is a widespread phenomenon in rich clusters.
description: MNRAS, in press
Azionisti, CEO e manager di fronte alla “buona causa” e alla responsabilità sociale dell’impresa. Lettera a Impresa Progetto
Creators: name: Quadrino, Umberto
Publisher: name: Department of Economics and Business Studies, University of Genoa
Year: 2021
Subjects: Accounting and Business Adm.

description: Umberto Quadrino, già top manager con importanti responsabilità nei maggiori gruppi industriali italiani, riprende ed approfondisce alcuni temi (azionisti, CEO e manager di fronte alla “buona causa” ed alla responsabilità sociale dell’impresa) affrontati su Impresa Progetto da Giorgio Donna. Si fa ordine in categorie concettuali che nel dibattito corrente appaiono spesso confuse o stereotipate e vengono messi a fuoco i ruoli che azionisti, CEO e manager dovrebbero giocare per contribuire al successo di un’impresa orientata alla ”buona causa“ ed alla responsabilità sociale.
Shear Banding from lattice kinetic models with competing interactions
Creators: name: Benzi, Roberto
name: Sbragaglia, Mauro
name: Bernaschi, Massimo
name: Succi, Sauro
Publisher: name: arXiv
Year: 2010
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Soft Glassy Materials, Non Linear Rheology, Lattice Kinetic models, frustrated phase separation} We present numerical simulations based on a Boltzmann kinetic model with competing interactions, aimed at characterizating the rheological properties of soft-glassy materials. The lattice kinetic model is shown to reproduce typical signatures of driven soft-glassy flows in confined geometries, such as Herschel-Bulkley rheology, shear-banding and histeresys. This lends further credit to the present lattice kinetic model as a valuable tool for the theoretical/computational investigation of the rheology of driven soft-glassy materials under confinement.
description: 8 Pages, 5 Figures
Blue-Cloud position paper on EOSC
Creators: name: Garavelli, Sara
name: Schaap, Dick
Publisher: name: Zenodo
Year: 2020
Subjects: EOSC
Open Science
Marine research

description: On the 21st of January 2020, at the World Economic Forum Annual Meeting, EC President Ursula von der Leyen pointed out the value of the European Open Science Cloud (EOSC) and the high importance of data as a key resource for innovation. Blue-Cloud fully shares these views by working towards the establishment of a thematic marine EOSC serving the Blue Economy, Marine Environment and Marine Knowledge agendas. Our project is the answer to the Horizon 2020 dedicated call for ‘The Future of Seas and Oceans Flagship Initiative’. At the opening of the All-Atlantic Ocean Research Forum, 6-7 February 2020, Mariya Gabriel, the EU Commissioner for innovation, research, education and youth, highlighted Blue-Cloud as a key instrument for the sustainable ocean strategy. The Blue-Cloud consortium has prepared a position paper on EOSC summarising the project's views, messages, and contributions, for the benefit of the EOSC Governance, the European Commission, and all other parties involved in the development of the European Open Science Cloud.
The Relativistic kinetics of gravitational waves collisional damping in hot Universe
Creators: name: Ignatyev, Yu. G.
name: Shulikovsky, V. Yu.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences
subject: 82B40, 83C55, 85A30

description: The article is a translation of authors paper printed earlier in the inaccessible edition and summarizing the results of research of gravitational waves damping problem in the cosmologic plasma due to the different interactions of elementary particles.
description: 7 pages, 1 table, 18 references
Effect of H₂O on CH₄ oxidation over PdO/Al₂O₃ and CeOx/PdO/Al₂O₃ catalysts
Creators: name: Alyani, Mina
Publisher: name: University of British Columbia
Year: 2016

description: Natural gas is a promising alternative fuel for transportation systems because of reduced CO, CO₂, SO₂, and NOx emissions into the environment, and its abundance and low cost compared with gasoline and diesel. A significant obstacle in the use of NG for vehicle fuels is that CH₄ is difficult to oxidize in the presence of CO₂ and H₂O and at the low exhaust gas temperature (500-550°C) of natural gas vehicles (NGV). Although Pd is the most active catalyst for CH₄ oxidation, the presence of H₂O suppresses the catalyst activity. The effect of H₂O on the activity of Pd/Al₂O₃ catalysts with Pd loadings of 0.3, 2.6 and 6.5Pd (wt.%) and corresponding dispersions of 57%, 48%, and 33%, was well described by a kinetic model that accounted for the effect of H₂O. Langmuir adsorption was assumed to determine the amount of H₂O adsorbed on active sites for the catalysts with different Pd dispersions under wet and dry reaction conditions. The estimated kinetic parameters of apparent activation energy, Ea of 60.6±11.5 kJ.mol-¹ and heat of H₂O adsorption, ∆H(H₂O) of -81.5±9.1 kJ.mol-¹ indicate that CH₄ oxidation is independent of Pd dispersion. Using different preparation methods and varying Ce:Pd ratios, it was found that sequential impregnation of the Al₂O₃ support by Ce and Pd, with Ce:Pd ratio of 5, yielded a catalyst that had the least inhibition by H₂O. H₂O adsorption is the dominant mechanism for activity loss, although some sintering of the support may also occur. In a Time-on-Stream (TOS) study with extra H₂O added to the feed gas, the chemical and physical properties of the catalysts showed only small changes before and after use. The less negative effect of H₂O at higher temperature and at lower H₂O concentration was also confirmed by the kinetic study. The kinetic model is consistent with a Langmuir mechanism in which H₂O adsorption suppresses C-H bond activation on the active sites. The kinetic analysis shows that the Ce added to the PdO/Al₂O₃ catalyst suppresses the amount of H₂O adsorbed onto the catalyst, thereby reducing the H₂O inhibition effect in the presence of Ce.
Study of debris discs with a new generation model
Creators: name: Kral, Quentin
Publisher: name: Zenodo
Year: 2014
Subjects: Debris discs, planetary systems, collisions, dynamics, numerical model

description: The present work was dedicated to the development and use of a new generation numerical code, able to model in a self-consistent way debris discs' evolution. These dust discs, optically thin, sometimes very old, are present around at least 30% of stars. Numerous observations with Herschel, the VLT, the LBTI, ALMA and soon the EELT or the JWST give images that are always more accurate of these objects, for which, the visible structures that are observed are astonishingly different from each other; leaving often a mystery to be solved. Various models attempt to reveal the link between the observed structures, the system spectra, its photometry and the interactions with the close-environment. Indeed, the presence of planets, through its resonances or gravitational perturbations, can induce the production of structures in these discs (warp, brightness asymmetry, dust clump, ...). Likewise, the presence of gas, of a stellar companion or a massive collision could explain a part of observed asymmetries. Nonetheless, robust models have to be developed, that are able to take into account the complexity of the physics associated with these discs, especially the interactions between the collisions and dynamics, in order to give the closest outputs to observations. Firstly, our team developed a model named DyCoSS able to partially couple the collisions and dynamics. However, because of numerous limitations of this model, we decided to develop a totally new, stand alone code, called LIDT-DD : the first self-consistent model fully coupling the collisions and dynamics and taking into account the evolution of dust in debris discs. Moreover, the code has been coupled to GRaTer, a radiative transfer code, able to treat the dynamics of grains according to their size, composition, stellar type, ... Once the model, trying to be as generic as possible, was implemented, we carried out a huge number of tests to validate it. In a second part, we analysed massive collisions in debris discs with LIDT-DD. These collisions are planetary formation markers and deserve a special attention, to help to test the planetary formation models or even to optimize our chances to detect forming planets. With our model, we explore the observational signatures of these massive collisions and are able to follow the system evolution on most of its lifetime. Hence, we distinguish different phases and give the timescales associated. We predict that these collisions are detectable by Spitzer/MIPS at 24 microns and show that for nearby systems (< 10 pc), we are able to resolve such events with instruments such as SPHERE/VLT in scattered light or MIRI/JWST in thermal emission. Finally, we inform the reader regarding our current on-going work and thus illustrate the numerous possibilities opened with the new model LIDT-DD.
Ruolo della Simulazione discreta e stocastica, nella risoluzione di problemi primari multi settoriali: concettualizzazione, ricerca e sviluppo di applicazioni derivate dalle pi� innovative Tecnologie offerte dalla quarta Rivoluzione Industriale
Creators: name: CURRO', FABIO SALVATORE
Publisher: name: Universit� degli studi di Genova
Year: 2022

description: Metodologie di sviluppo ed analisi di modelli discreti e continui per la simulazione di sistemi.
Strumenti e problemi di analisi numerica; sviluppo di simulatori e federazioni di simulatori per
sistemi complessi. Definizione obiettivi, formalizzazione, soluzioni di implementazione,
integrazione, verifica, convalida, test, accreditamento ed esecuzione di modelli real-time, fasttime
e slow time.
La cosiddetta Rivoluzione Industriale 4.0, iniziata in Germania nel 2013 e di l� estesasi ad
altri Paesi industrializzati, Italia inclusa, grazie ai massicci finanziamenti dedicati alle Imprese per
ridare loro competitivit� sul piano internazionale, ha come punto centrale il dialogo diretto tra le
macchine, lungo l?intera catena logistica (fornitori, fabbrica, utenti finali), tramite l?uso di
opportuni sistemi informatici hardware e software. Il documento redatto dal MISE per le industrie
del nostro Paese, tra gli strumenti software riconosciuti come specifici indica i simulatori on-line.
Questo particolare tipo di modellizzazione � stato creato, come rilevabile dalla letteratura, dai
Professori Roberto Mosca e Pietro Giribone a met� degli anni ?80 per risolvere alcuni importanti
problemi che Aziende italiane quali Comau e Mandelli, leader mondiale nei cosiddetti sistemi
flessibili di produzione, non erano riusciti a risolvere con le tecnologie tradizionali.
Obiettivo della tesi di dottorato proposta � quella, sfruttando i rilevanti progressi evidenziatisi
negli ultimi vent?anni sia dall?elettronica dedicata che dagli elaboratori, di rilanciare la
metodologia della simulazione on-line real-time come elemento concettuale di alto livello,
rendendolo indispensabile per massimizzare i risultati ottenibili dalla gi� menzionata Rivoluzione
4.0.
Ci� potr� avvenire attraverso un interfacciamento accurato e ad alta velocit� tra linee di
produzione, sistema logistico integrato, etc e i calcolatori addetti alla sorveglianza/ gestione di
questi elementi.
Sfruttando quindi a step di tempo predeterminato, la capacit� previsionale dello strumento
simulativo, sar� possibile fare ripetutamente proiezioni sul rispetto dei tempi di produzione e/o
di apportare i cambiamenti di programmazione indispensabili per minimizzare il danno aziendale
nel caso di imprevisti, guasti accidentali, variazioni repentine del mix di produzione, etc.
L?uso di opportuni algoritmi, studiati caso per caso, potr� consentire all?elaboratore di prendere
decisioni in totale autonomia entro limiti prefissati o di passare il governo del processo
decisionale al responsabile di linea in tutti gli altri casi. Le diverse alternative decisionali potranno
essere valutate dal decisore sulla base di ulteriori lanci previsionali effettuati su un simulatore offline.
Idiopathic infant pyocele
Creators: name: Arys, Bo
Publisher: name: EURORAD
Year: 2013
Subjects: subject: Genital / Reproductive system male
subject: Ultrasound
subject: Diagnostic procedure
subject: Infection

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: male, 17 months
description: Clinical History: A 17-month-old boy presented at the emergency department with a sudden increase in size of the right scrotum, associated with some skin discolorations and fever. The child has bilateral communicating abdomino-scrotal hydroceles since birth. Final Diagnosis: Idiopathic infant pyocele
Evoluzione del Divisionismo nel Novecento. Vicende, protagonisti e ricezione critica
Creators: name: PICCENI, STEFANO
Publisher: name: Universit� degli studi di Genova
Year: 2021

description: This research work is focuses on the evolution of the Italian Divisionism during the early years of the Twentieth century through the analysis of paintings, artists? writings and different types of ancient sources. Starting from the analysis of the critical fortune of this pictorial current, from Twenties to present day, attention is placed on critical writings contemporary to the works, and few significant events like divisionist?s exhibition in Paris in 1907, and the first Venice biennales.
The central chapters are about the handwork of the artists included in the ?second generation? of divisionist through the reconstruction of unpublished correspondence between Matteo Olivero and Giuseppe Pellizza. Olivero?s paintings with his personal interpretation of separated colors and his occasional approach to the Futurism. Cesare Maggi?s career as a young and gifted artist who was called ?the master of the snow?. The modern grey painting of Eugenio Olivari developed into the artistic environment of Genoa in the early 20th century, and the almost unknown figure of Edoardo Berta, appreciable Swiss divisionist artist, fascinated by Italian symbolism. A particular attention is dedicated also to the youth activity of Giacomo Balla during the years preceding his adherence to Futurism, an argument that needs a revision, if compared with previous studies. Lastly an in-depth study to the depiction of mountains in divisionist?s landscapes, still considered today, mistakenly, their privileged theme.
A tropical tale of chyluria and complications due to sclerosants
Creators: name: Nair, Anirudh
Publisher: name: EURORAD
Year: 2013
Subjects: subject: Urinary Tract / Bladder
subject: CT-Quantitative
subject: Treatment effects
subject: Tropical diseases

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: male, 42 years
description: Clinical History: Patient was treated in an outside hospital with endoscopic silver nitrate instillation for complaints of chyluria. One day later, he started having acute left loin pain,tenderness and pallor. He was referred to our center for further management. Final Diagnosis: Argyrosis of left upper renal tract with pseudoaneurysm.
D6.6 Practice abstracts in national languages
Creators: name: Schubert, Andrea
name: Schmittgen, Simone
name: Jaenicke, Hannah
name: Russo, Giulia
name: Albè, Beatrice
name: Galmès, Jeroni
name: Kalozoumis, Panagiotis
name: Bogoescu, Marian
name: Debeljak, Marko
Publisher: name: Zenodo
Year: 2020

description: The report collates the practice abstracts developed by TOMRES up to M42
 and disseminated through internal and external platforms (EIP-Agri) during
 the project implementation.
Towards 't Hooft parameter corrections to charge transport in strongly-coupled plasma
Creators: name: Hassanain, Babiker
name: Schvellinger, Martin
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study R-charge transport in a wide class of strongly-coupled supersymmetric plasmas at finite temperature with 't Hooft coupling corrections. To achieve this, we use the gauge/string duality and include the full set of order(α'^3) corrections to the supergravity backgrounds given at zeroth order by the direct product of the AdS-Schwarzschild black hole with a five-dimensional compact Einstein manifold. On general grounds, the reduction leads to a large number of higher derivative operators, which we reduce using the symmetries of the solution. We are left with a universal set of operators whose coefficients can in principle be fixed by carrying out an explicit compactification. We apply our results to the computation of the R-charge conductivity of the supersymmetric plasma at finite yet strong coupling.
description: 23 pages
Ureteritis cystica masquerading as Steinstrasse following PCNL
Creators: name: Ali, Tariq
Publisher: name: EURORAD
Year: 2013
Subjects: subject: Abdomen
subject: Interventional non-vascular
subject: Kidney
subject: Urinary Tract / Bladder
subject: CT
subject: Fluoroscopy
subject: Cystography / Uretrography
subject: Diagnostic procedure
subject: Lithotripsy
subject: Pyelography
subject: Calcifications / Calculi

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: male, 74 years
description: Clinical History: A 74-year-old male patient of Nepalese origin presented with acute abdominal pain. The patient was found to be in profound urosepsis and was admitted to the intensive care unit (ICU) for circulatory support and haemofiltration. Significant past medical hi... Final Diagnosis: Ureteritis Cystica
Thoracic aortic aneurysm: case report & literature review
Creators: name: IQBAL, SOHAIL
Publisher: name: EURORAD
Year: 2013
Subjects: subject: Arteries / Aorta
subject: Cardiovascular system
subject: CT
subject: CT-Angiography
subject: Conventional radiography
subject: Computer Applications-General
subject: Contrast agent-intravenous
subject: Diagnostic procedure
subject: Image compression
subject: Imaging sequences
subject: Aneurysms
subject: Arteriosclerosis

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: female, 64 years
description: Clinical History: A 64-year-old British white lady presented with sudden onset sharp central chest pain of one hour duration with non-specific electrocardiographic findings and negative Troponin I test. She underwent Computed Tomography Aortography (CTA) and was sent for s... Final Diagnosis: Thoracic aortic aneurysm
Alberto Carocci e �Nuovi Argomenti� (1953-1965). Per una storia della prima serie della rivista attraverso i carteggi inediti
Creators: name: OTTINO, VIOLA
Publisher: name: Universit� degli studi di Genova
Year: 2021

description: La tesi indaga la figura di Alberto Carocci nel suo ruolo di condirettore e organizzatore della cultura, insieme ad Alberto Moravia, nella prima serie della rivista �Nuovi Argomenti� (1953-1965). In particolare, grazie al recupero di una consistente documentazione inedita, segnatamente dei rapporti epistolari che Carocci intrattenne con autori e collaboratori della rivista - tra i quali Norberto Bobbio, Italo Calvino, Giulio Einaudi, Franco Fortini, Georg Luk�cs, Adriano Olivetti e Sergio Solmi - il lavoro offre una puntuale e analitica ricostruzione delle relazioni e degli scambi intellettuali, politici, amicali, professionali e letterari sottesi allo sviluppo della prima serie della rivista; rapporti nei quali, inevitabilmente, si riflettono i momenti pi� significativi della storia culturale e letteraria degli anni Cinquanta e Sessanta del Novecento che hanno attraversato le pagine della rivista.
Additional file 7 of Improvement of thermostability and catalytic efficiency of glucoamylase from Talaromyces leycettanus JCM12802 via site-directed mutagenesis to enhance industrial saccharification applications
Creators: name: Tong, Lige
name: Zheng, Jie
name: Wang, Xiao
name: Wang, Xiaolu
name: Huang, Huoqing
name: Yang, Haomeng
name: Tu, Tao
name: Wang, Yuan
name: Bai, Yingguo
name: Yao, Bin
name: Luo, Huiying
name: Qin, Xing
Publisher: name: figshare
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Physical Sciences not elsewhere classified
subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Biological Sciences not elsewhere classified

description: Additional file 7: Primers used in this study.
Asymptotics of polybalanced metrics under relative stability constraints
Creators: name: Mabuchi, Toshiki
Publisher: name: arXiv
Year: 2011
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: Primary 14L24, Secondary 32Q20, 53C55

description: Under the assumption of asymptotic relative Chow-stability for polarized algebraic manifolds $(M, L)$, a series of weighted balanced metrics $ω_m$, $m \gg 1$, called polybalanced metrics, are obtained from complete linear systems $|L^m|$ on $M$. Then the asymptotic behavior of the weights as $m \to \infty$ will be studied.
description: to appear in Osaka J. Math
Synthesis of 2-amino-3-cyano 4-H-chromenes containing quinoline in water: computational study on substituent effects
Creators: name: Mommahed Heravi, Majid
name: Hosseinnejad, Tayebeh
name: Faghihi, Zeinab
name: Shiri, Morteza
name: Vazinfard, Mahdiyeh
Publisher: name: figshare
Year: 2022
Subjects: subject: 30302 Nanochemistry and Supramolecular Chemistry
subject: FOS: Chemical sciences
subject: 30701 Quantum Chemistry
subject: 39904 Organometallic Chemistry
subject: Organic Chemistry
subject: 30502 Natural Products Chemistry
subject: 30599 Organic Chemistry not elsewhere classified
subject: 30205 Non-metal Chemistry
subject: Nuclear Chemistry
subject: 30504 Organic Green Chemistry
subject: 30303 Optical Properties of Materials

description: An efficient, high yielding and environmentally benign strategy to the synthesis of new 2-amino-3-cyano-4-H-chromene derivatives, via one-pot three-component reaction involving malononitrile, various α- or β-naphthol and appropriate aromatic aldehydes including 2-chloroquinoline-3-carbaldehydes in the presence of morpholine in water, was achieved. During the development of the synthesis five new chromene derivatives were fruitfully synthesized. It was found that employing this approach, aromatic aldehydes bearing electron-withdrawing groups give higher yields of the corresponding products in shorter reaction times. This observation was in agreement with topological analysis of calculated electron density functions using density functional theory and quantum theory of atoms in molecules approaches.
Longtime Dynamics of The Oregonator System
Creators: name: You, Yuncheng
Publisher: name: arXiv
Year: 2011
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37L30, 35B40, 35B41, 35K55, 35K57, 80A32, 92B05

description: In this work the existence and properties of a global attractor for the solution semiflow of the Oregonator system are proved. The Oregonator system is the mathematical model of the famous Belousov-Zhabotinskii reaction. A rescaling and grouping estimation method is developed to show the absorbing property and the asymptotic compactness of the solution trajectories of this three-variable reaction-diffusion system with quadratic nonlinearity from the autocatalytic kinetics. It is proved that the fractal dimension of the global attractor is finite. The existence of an exponential attractor for this Oregonator semiflow is also shown.
description: 28 pages
Unusual appearance of retroperitoneal fibrosis
Creators: name: Robinson, John
Publisher: name: EURORAD
Year: 2013
Subjects: subject: Kidney
subject: Urinary Tract / Bladder
subject: CT
subject: Nuclear medicine conventional
subject: Ultrasound
subject: Diagnostic procedure
subject: Obstruction / Occlusion

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: male, 63 years
description: Clinical History: 63-year-old gentleman with a background of hypertension and diabetes presented with recurrent urinary tract infections. On questioning there had been a history of macroscopic haematuria but no other sinister features identified and he gave no history of p... Final Diagnosis: Idiopathic retroperitoneal fibrosis
Numerical Simulations of Thermohaline Convection: Implications for Extra-Mixing in Low-Mass RGB Stars
Creators: name: Denissenkov, Pavel A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Low-mass stars are known to experience extra-mixing in their radiative zones on the red-giant branch (RGB) above the bump luminosity. To determine if the salt-fingering transport of chemical composition driven by 3He burning is efficient enough to produce RGB extra-mixing, 2D numerical simulations of thermohaline convection for physical conditions corresponding to the RGB case have been carried out. We have found that the effective ratio of a salt-finger's length to its diameter a_eff < 0.5 is more than ten times smaller than the value needed to reproduce observations (a_obs > 7). On the other hand, using the thermohaline diffusion coefficient from linear stability analysis together with a=a_obs is able to describe the RGB extra-mixing at all metallicities so well that it is tempting to believe that it may represent the true mechanism. In view of these results, follow-up 3D numerical simulations of thermohaline convection for the RGB case are clearly needed.
description: 40 pages, 12 figures, submitted to ApJ
The early thermalization and HBT puzzles at RHIC
Creators: name: Florkowski, Wojciech
Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The early thermalization and HBT puzzles in relativistic heavy-ion collisions studied at RHIC are shortly reviewed. The results of recent hydrodynamic calculations that shed light on these two intriguing issues are presented. In particular, the role of the elliptic flow as a signature of early thermalization is critically examined.
description: Lectures presented at the Jubilee 50th Cracow School of Theoretical Physics, Zakopane, June 9-19, 2010
The [alpha/Fe] Ratios in Dwarf Galaxies: Evidence for a Non-universal Stellar Initial Mass Function?
Creators: name: Recchi, Simone
name: Calura, Francesco
name: Kroupa, Pavel
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: It is well established that the [alpha/Fe] ratios in elliptical galaxies increase with galaxy mass. This relation holds also for early-type dwarf galaxies, although it seems to steepen at low masses. The [alpha/Fe] vs. mass relation can be explained assuming that smaller galaxies form over longer timescales (downsizing), allowing a larger amount of Fe (mostly produced by long-living Type Ia Supernovae) to be released and incorporated into newly forming stars. Another way to obtain the same result is by using a flatter initial mass function (IMF) in large galaxies, increasing in this way the number of Type II Supernovae and therefore the production rate of alpha-elements. The integrated galactic initial mass function (IGIMF) theory predicts that the higher the star formation rate, the flatter the IMF. We have checked, by means of semi-analytical calculations, that the IGIMF theory, combined with the downsizing effect (i.e. the shorter duration of the star formation in larger galaxies), well reproduces the observed [alpha/Fe] vs. mass relation. In particular, we show a steepening of this relation in dwarf galaxies, in accordance with the available observations.
description: 4 pages, 2 figures; to appear in the proceedings of the JENAM 2010 Symposium on Dwarf Galaxies (Lisbon, September 9-10, 2010)
Superinfection complicating simple renal cyst
Creators: name: Tonolini, Massimo
Publisher: name: EURORAD
Year: 2013
Subjects: subject: Kidney
subject: CT
subject: Ultrasound
subject: Diagnostic procedure
subject: Drainage
subject: Abscess
subject: Cysts

description: Clinical History Image Findings Discussion Find Diagnosis Differential Diagnosis
description: male, 85 years
description: Clinical History: Elderly male patient with comorbidities including ischaemic heart disease, atrial fibrillation, and obstructive lung disease, currently hospitalised because of relapsing sterile pericardial effusion after previous pericardiocentesis. Clinical course... Final Diagnosis: Renal abscess from simple cyst superinfection.
Additional file 15 of Integration analysis of PacBio SMRT- and Illumina RNA-seq reveals candidate genes and pathway involved in selenium metabolism in hyperaccumulator Cardamine violifolia
Creators: name: Rao, Shen
name: Yu, Tian
name: Cong, Xin
name: Xu, Feng
name: Lai, Xiaozhuo
name: Zhang, Weiwei
name: Liao, Yongling
name: Cheng, Shuiyuan
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 15: Table S6. Primers used for qRT-PCR.
A Precise Geoid Model for Africa: AFRgeo2019
Creators: name: Abd-Elmotaal, Hussein A.
name: Kühtreiber, Norbert
name: Seitz, Kurt
name: Heck, Bernhard
Publisher: name: Springer Verlag
Year: 2020
Subjects: Africa
Geoid determination
Gravity field
Gravity interpolation
Window technique

description: In the framework of the IAG African Geoid Project, an attempt towards a precise geoid model for Africa is presented in this investigation. The available gravity data set suffers from significantly large data gaps. These data gaps are filled using the EIGEN-6C4 model on a 15′× 15′ grid prior to the gravity reduction scheme. The window remove-restore technique (Abd-Elmotaal and Kühtreiber, Phys Chem Earth Pt A 24(1):53–59, 1999; J Geod 77(1–2):77–85, 2003) has been used to generate reduced anomalies having a minimum variance to minimize the interpolation errors, especially at the large data gaps. The EIGEN-6C4 global model, complete to degree and order 2190, has served as the reference model. The reduced anomalies are gridded on a 5′× 5′ grid employing an un-equal weight least-squares prediction technique. The reduced gravity anomalies are then used to compute their contribution to the geoid undulation employing Stokes’ integral with Meissl (Preparation for the numerical evaluation of second order Molodensky-type formulas. Ohio State University, Department of Geodetic Science and Surveying, Rep 163, 1971) modified kernel for better combination of the different wavelengths of the earth’s gravity field. Finally the restore step within the window remove-restore technique took place generating the full gravimetric geoid. In the last step, the computed geoid is fitted to the DIR_R5 GOCE satellite-only model by applying an offset and two tilt parameters. The DIR_R5 model is used because it turned out that it represents the best available global geopotential model approximating the African gravity field. A comparison between the geoid computed within the current investigation and the existing former geoid model AGP2003 (Merry et al., A window on the future of geodesy. International Association of Geodesy Symposia, vol 128, pp 374–379, 2005) for Africa has been carried out.
Spatial and temporal distributions of transient horizontal magnetic fields with deep exposure
Creators: name: Ishikawa, Ryohko
name: Tsuneta, Saku
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We obtained a long exposure vector magnetogram of the quiet Sun photosphere at the disk center with wide FOV of $51" \times 82"$. The observation was performed at Fe I 525.0 nm with the shutter-less mode of the Narrow Band Filter Imager of the Solar Optical Telescope (SOT) on board Hinode satellite. We summed the linear polarization ($LP$) maps taken with time cadence of 60 seconds for 2 hours to obtain a map with as long an exposure as possible. The polarization sensitivity would be more than 4.6 (21.2 in exposure time) times the standard observation with the SOT spectro-polarimeter. The $LP$ map shows a cellular structure with a typical scale of $5" - 10"$. We find that the enhanced $LP$ signals essentially consist of the isolated sporadic transient horizontal magnetic fields (THMFs) with life time of 1-10 min, and are not contributed by long-duration weak horizontal magnetic fields. The cellular structure coincides in position with the negative divergence of the horizontal flow field, i.e., mesogranular boundaries with downflows. Azimuth distribution appears to be random for the scale size of the mesogranules. Some pixels have two separate appearances of THMFs, and the measured time intervals are consistent with the random appearance. THMFs tend to appear at the mesogranular boundaries, but appear randomly in time. We discuss the origin of THMFs based on these observations.
description: 17 pages, 2 figures, published in The Astrophysical Journal Letters
Experiences, cognitions, and affects : investigating non-suicidal self-injury through the modal model of emotion
Creators: name: Victor, Sarah Elizabeth
Publisher: name: University of British Columbia
Year: 2016

description: Non-suicidal self-injury (NSSI) is associated with psychiatric distress, physical harm, and suicide. NSSI is commonly used to regulate negative emotions, but it is still unclear how these negative emotions arise. Using the framework of the modal model of emotion, I considered how situations (hassles), attention (biases towards or away from emotional stimuli), appraisal (attributional style), and responses (emotional reactivity, problem solving, and emotion regulation) relate to NSSI. Specifically, I compared undergraduate (sample 1) and community adult (sample 2) participants with a recent and recurrent history of NSSI to participants with no NSSI history using self-report and behavioral data regarding NSSI, modal model components, and relevant potential covariates, such as depression and anxiety symptoms. In both samples, daily hassles, negative event attributional style, emotional reactivity, (reduced) reappraisal, and rumination were significantly associated with NSSI. Positive event attributional style was only associated with NSSI in sample 2, but not in sample 1. Problem solving confidence and problem solving style were associated with NSSI in sample 1, but were not assessed in sample 2. Finally, NSSI was not associated with the use of expressive suppression in either sample. These results have important implications for understanding what contributes to NSSI among adults, namely, that a multitude of characteristics and processes seem to be associated with NSSI across different types of samples. Further, understanding which aspects of the modal model most clearly differentiate individuals with and without NSSI may highlight potential treatment targets that show promise for NSSI.
Feedback under the microscope: thermodynamic structure and AGN driven shocks in M87
Creators: name: Million, E. T.
name: Werner, N.
name: Simionescu, A.
name: Allen, S. W.
name: Nulsen, P. E. J.
name: Fabian, A. C.
name: Bohringer, H.
name: Sanders, J. S.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: (abridged) Using a deep Chandra exposure (574 ks), we present high-resolution thermodynamic maps created from the spectra of $\sim$16,000 independent regions, each with $\sim$1,000 net counts. The excellent spatial resolution of the thermodynamic maps reveals the dramatic and complex temperature, pressure, entropy and metallicity structure of the system. Excluding the 'X-ray arms', the diffuse cluster gas at a given radius is strikingly isothermal. This suggests either that the ambient cluster gas, beyond the arms, remains relatively undisturbed by AGN uplift, or that conduction in the intracluster medium (ICM) is efficient along azimuthal directions. We confirm the presence of a thick ($\sim$40 arcsec or $\sim$3 kpc) ring of high pressure gas at a radius of $\sim$180 arcsec ($\sim$14 kpc) from the central AGN. We verify that this feature is associated with a classical shock front, with an average Mach number M = 1.25. Another, younger shock-like feature is observed at a radius of $\sim$40 arcsec ($\sim$3 kpc) surrounding the central AGN, with an estimated Mach number M > 1.2. As shown previously, if repeated shocks occur every $\sim$10 Myrs, as suggested by these observations, then AGN driven weak shocks could produce enough energy to offset radiative cooling of the ICM. A high significance enhancement of Fe abundance is observed at radii 350 - 400 arcsec (27 - 31 kpc). This ridge is likely formed in the wake of the rising bubbles filled with radio-emitting plasma that drag cool, metal-rich gas out of the central galaxy. We estimate that at least $\sim1.0\times10^6$ solar masses of Fe has been lifted and deposited at a radius of 350-400 arcsec; approximately the same mass of Fe is measured in the X-ray bright arms, suggesting that a single generation of buoyant radio bubbles may be responsible for the observed Fe excess at 350 - 400 arcsec.
description: 18 pages, 16 figures. Accepted to MNRAS
The Dielectric Response of La0.5Ca0.5-xSrxMnO3 (0.1 <= x <= 0.4) Manganites with Different Magnetic Ground States
Creators: name: Dhiman, Indu
name: Deshpande, S. K.
name: Das, A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The dielectric behavior of half doped manganites La0.5Ca0.5-xSrxMnO3 (0.1 \leq \times \leq 0.4) with varying magnetic ground states has been studied. The real part of relative permittivity as a function of temperature ε^'(T), exhibits a maximum around the ferromagnetic (TC) and charge ordering transition (TCO) temperatures accompanied with high dielectric losses. The activation energies obtained for x = 0.1 and 0.3 samples below TCO are the same ~ 0.12eV, whereas the relaxation time constant varies in the range 2.8 \times 10-9 s - 6.03 \times 10-11 s. In contrast to samples having x \leq 0.3, for x = 0.4 doping the dielectric permittivity exhibits a strong temperature dependence in the vicinity of magnetic phase transitions. This behavior may be correlated with the presence of competing magnetic interactions (magnetic polarons) close to the magnetic transitions.
description: 14 pages, 5 figures, To appear in Journal of Applied Physics
Growth and Properties of Heavy Fermion CeCu2Ge2 and CeFe2Ge2 thin films
Creators: name: Li, Yize Stephanie
name: Zheng, Mao
name: Mulcahy, Brian
name: Greene, Laura H.
name: Eckstein, James N.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Epitaxial films of heavy fermion CeCu2Ge2 and CeFe2Ge2 are grown on DyScO3 and MgO substrates using molecular beam epitaxy. The growth begins via island nucleation leading to a granular morphology. The grains grow flat with c-axis orientation after nucleating, as indicated by in-situ reflection high energy electron diffraction (RHEED) and ex-situ analysis including atomic force microscopy (AFM) and x-ray diffraction (XRD). These single phase films show similar temperature dependent transport to single crystals of the materials indicating that similar collective order occurs in the films as in single crystals.
Clues to the star formation in NGC 346 across time and space
Creators: name: De Marchi, Guido
name: Panagia, Nino
name: Sabbi, Elena
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We have studied the properties of the stellar populations in the field of the NGC 346 cluster in the Small Magellanic Cloud, using the results of a novel self-consistent method that provides a reliable identification of pre-main sequence (PMS) objects actively undergoing mass accretion, regardless of their age. The 680 identified bona-fide PMS stars show a bimodal age distribution, with two roughly equally numerous populations peaked respectively at ~1 Myr, and ~20 Myr. We use the age and other physical properties of these PMS stars to study how star formation has proceeded across time and space in NGC 346. We find no correlation between the locations of young and old PMS stars, nor do we find a correspondence between the positions of young PMS stars and those of massive OB stars of similar age. Furthermore, the mass distribution of stars with similar age shows large variations throughout the region. We conclude that, while on a global scale it makes sense to talk about an initial mass function, this concept is not meaningful for individual star-forming regions. An interesting implication of the separation between regions where massive stars and low-mass objects appear to form is that high-mass stars might not be "perfect" indicators of star formation and hence a large number of low-mass stars formed elsewhere might have so far remained unnoticed. For certain low surface density galaxies this way of preferential low-mass star formation may be the predominant mechanism, with the consequence that their total mass as derived from the luminosity may be severely underestimated and that their evolution is not correctly understood.
description: 12 pages, 6 figures, accepted for publication in The Astrophysical Journal