showing 36 of ~574560 from 574555 documents
La dissertation en droit constitutionnel illustrée par des copies d'étudiants
2021
Travaux universitaires; International audience
Bimanual robot control for surface treatment tasks
2021
This work develops a method to perform surface treatment tasks using a bimanual robotic system, i.e. two robot arms cooperatively performing the task. In particular, one robot arm holds the workpiece while the other robot arm has the treatment tool attached to its end-effector. Moreover, the human user teleoperates all the six coordinates of the former robot arm and two coordinates of the latter robot arm, i.e. the teleoperator can move the treatment tool on the plane given by the workpiece surface. Furthermore, a force sensor attached to the treatment tool is used to automatically attain the desired pressure between the tool and the workpiece and to automatically keep the tool orientation …
A PCA-based clustering algorithm for the identification of stratiform and convective precipitation at the event scale: an application to the sub-hour…
2021
AbstractUnderstanding the structure of precipitation and its separation into stratiform and convective components is still today one of the important and interesting challenges for the scientific community. Despite this interest and the advances made in this field, the classification of rainfall into convective and stratiform components is still today not trivial. This study applies a novel criterion based on a clustering approach to analyze a high temporal resolution precipitation dataset collected for the period 2002–2018 over the Sicily (Italy). Starting from the rainfall events obtained from this dataset, the developed methodology makes it possible to classify the rainfall events into f…
Jaws Vs. Blue ocean » : créer un « océan bleu » pour contrer la « crise requin » à l’île de La Réunion
2021
International audience; Cet article mobilise un cadre d’analyse fondé sur la théorie des ressources et compétences et la notion d’innovation stratégique. L’innovation est présente dans la littérature portant sur le management touristique, mais elle apparait très rarement sous l’aspect de l’innovation stratégique (Hjalager, 2010) et n’est pas mobilisée dans un contexte de management de crise. Nous nous fondons sur la théorie des ressources pour proposer l’application d’une optique d’exploration et d’innovation stratégique en tant que réponse à une situation de crise dans le secteur touristique. L’analyse repose sur la technique de l’étude de cas (Stake, 1994) au travers d’interviews et de l’…
High Pressure Inside Nanometer-Sized Particles Influences the Rate and Products of Chemical Reactions
2021
International audience; The composition of organic aerosol has a pivotal influence on aerosol properties such as toxicity and cloud droplet formation capability, which could affect both climate and air quality. However, a comprehensive and fundamental understanding of the chemical and physical processes that occur in nanometer-sized atmospheric particles remains a challenge that severely limits the quantification and predictive capabilities of aerosol formation pathways. Here, we investigated the effects of a fundamental and hitherto unconsidered physical property of nanoparticles-the Laplace pressure. By studying the reaction of glyoxal with ammonium sulfate, both ubiquitous and important …
Eingriffsbefugnisse nach der Leerverkaufs-VO bei Bedrohungen der Finanzstabilität und des Marktvertrauens
2021
Zusammenfassung Das von der BaFin am 18. 2. 2019 erlassene Leerverkaufsverbot in Aktien der Wirecard AG ist bei der kritischen Aufarbeitung der Rolle von BaFin und BMF im Wirecard-Skandal zunehmend ins Zentrum gerückt. Insbesondere im Wirecard-Untersuchungsausschuss wird das Leerverkaufsverbot als „falsches Gütesiegel“ mitverantwortlich gemacht für die noch bis zum Tag der Stellung des Insolvenzantrags fortgeführten Tätigkeiten des einstigen deutschen Vorzeige-FinTechs. Doch nicht nur aus heutiger Sicht, sondern auch auf Basis der Tatsachen, die der BaFin am 18. 2. 2019 bekannt waren, bestehen durchgreifende Bedenken gegen die Rechtmäßigkeit des Leerverkaufsverbots. Aufbauend auf einer ausf…
false
2021
Despite recent advancements in tumor therapy, metastasis and tumor relapse remain major complications hindering the complete recovery of many cancer patients. Dormant tumor cells, which reside in the body, possess the ability to re-enter the cell cycle after therapy. This phenomenon has been attributed to therapy-induced senescence. We show that these cells could be targeted by the use of zinc oxide nanoparticles (ZnO NPs). In the present study, the properties of tumor cells after survival of 16 Gy gamma-irradiation were investigated in detail. Analysis of morphological features, proliferation, cell cycle distribution, and protein expression revealed classical hallmarks of senescent cells a…
false
2021
European children and adolescents spend most of their daily life and especially their school hours being sedentary which may increase their risk for chronic non-communicable diseases later in life. After the curriculum reform of Finnish basic education in 2014, most of the new or renovated comprehensive schools in Finland incorporate open and flexible classroom designs. Their open learning spaces may provide students opportunities to reduce sedentary behavior during school hours. Thus, waist-worn accelerometers were used to assess classroom-based sedentary time (ST), the number of breaks from sedentary time (BST), and physical activity (PA) among cross-sectional samples of 3rd and 5th grade…
Tiedejulkaisemisen eetilliset postulaatit
2021
Cation-translocation based isomerism offers a tool for the expansion of compressed helicates.
2021
A series of compressed M[Li313Ti2] (M = Li, Na, K, Rb, Cs) and expanded helicates M4[13Ti2] has been obtained. The helicates Li3[M13Ti2] or M4[13Ti2] with M = Na+, K+, Rb+, or Cs+ adopt the expanded structure in solution. By crystallization the compressed structures M[Li313Ti2] (M = Na, Rb) are obtained. This represents an example of cation-translocation based isomerism.
Direct measurement of the mass difference of As72−Ge72 rules out As72 as a promising β -decay candidate to determine the neutrino mass
2021
We report the first direct determination of the ground-state to ground-state electron-capture $Q$ value for the $^{72}\mathrm{As}$ to $^{72}\mathrm{Ge}$ decay by measuring their atomic mass difference utilizing the double Penning trap mass spectrometer, JYFLTRAP. The $Q$ value was measured to be 4343.596(75) keV, which is more than a fiftyfold improvement in precision compared to the value in the most recent Atomic Mass Evaluation 2020. Furthermore, the new $Q$ value was found to be 12.4(40) keV (3.1 $\ensuremath{\sigma}$) lower. With the significant reduction of the uncertainty of the ground-state to ground-state $Q$ value combined with the level scheme of $^{72}\mathrm{Ge}$ from $\ensurem…
Probing the Conformational States of a pH-Sensitive DNA Origami Zipper via Label-Free Electrochemical Methods
2021
Funding Information: Financial support from EPSRC DTP (grant EP/R513349/1), the Emil Aaltonen Foundation, the Sigrid Jusélius Foundation, the Jane and Aatos Erkko Foundation, and the Vilho, Yrjö and Kalle Väisälä Foundation of the Finnish Academy of Science and Letters is gratefully acknowledged. This work was carried out under the Academy of Finland Centers of Excellence Programme (2014–2019). We acknowledge the provision of facilities and technical support by Aalto University Bioeconomy Facilities and OtaNano—Nanomicroscopy Center (Aalto-NMC) and Micronova Nanofabrication Center. Publisher Copyright: © 2021 The Authors. Published by American Chemical Society DNA origami structures represe…
Story beats in videogames as value-driven choice-based unit operations
2021
We present a framework of story beats, defined as microunits of dramatic action, as a tool for the ludonarrative analysis of videogames. First, we explain the Goal - Action - Reaction - Outcome model of the story beat. Then, we present six types of story beats, Action, Interaction, Inaction, Mental, Emotion, and Sensory, providing videogame examples for each category. In the second half of the paper, we contextualise this framework in the classic game studies theory of videogame narrative and player action: unit operations, gamic action, anatomy of choice, and game design patterns, wrapping it up in the most recent trends in cognitive narratology. Ultimately, we present the story beat as a …
Numerical Reconstruction of Porous Architecture for Suspension Plasma Sprayed Coatings
2021
Abstract The porous architecture of coatings has a significant influence on the coating performances and thus should be properly designed for the intended applications. For simulating the coating properties, it is necessary to determine the numerical representation of the coating microstructure. In this study, YSZ coatings were manufactured by suspension plasma spray (SPS). Afterwards, the porous architecture of as-prepared coatings was investigated by the combination of three techniques, imaging analysis, Ultra Small Angle X-ray Scattering (USAXS), and X-ray transmission. A microstructural model for reconstructing the porous architecture of the SPS coating was subsequently computed accordi…
Ikäasumisen odotuksista ja uusista käytännöistä
2021
Validation of motor and functional scales for the evaluation of adult patients with 5q spinal muscular atrophy
2021
ABSTRACTObjectiveTo assess in adult spinal muscular atrophy (SMA) patients the construct validity and responsiveness of several outcome measures.MethodsPatients older than 15 years and followed-up at least for 6 months, between October 2015 and August 2020, with one motor function scale (Hammersmith Functional Motor Scale Expanded, HFMSE; Revised Upper Limb module, RULM) in five referral centers were included. Bedside functional scales (Egen Klassification, EK2; Revised Amyotrophic Lateral Sclerosis Functional Rating Scale, ALSFRS-R) were also collected when available. Correlations and regression models were performed to evaluate the construct validity. The monthly slopes of change were use…
Method for Identifying In-Flight Particles based on Digital Image Technologies in Thermal Spraying
2021
Abstract In thermal spray processes, the characteristics of in-flight particles (velocity and temperature) have a significant effect on coating performance. Although many imaging systems and algorithms have been developed for identifying and tracking in-flight particles, most are limited in terms of accuracy. One key to solving the tracking problem is to get an algorithm that can distinguish different particles in each image frame. As the study showed, when noise and interference are treated, particles are more readily identified in the background, leading to more accurate size and position measurements with respect to time. This approach is demonstrated and the results discussed.
La Inteligencia Emocional como predictor de la ira durante la conducción y la conducción agresiva
2021
Los accidentes de tráfico son una de las principales causas de mortalidad en el mundo. La ira durante la conducción y la conducción agresiva son factores de riesgo frecuentemente relacionados con los accidentes de tráfico. La inteligencia emocional ha sido reconocida como un factor predictivo de diversos tipos de conductas agresivas. El objetivo de este trabajo fue analizar el papel de la Inteligencia Emocional sobre la conducción agresiva y las infracciones de tráfico. 318 estudiantes universitarios con permiso de conducir (82.5% mujeres) de entre 19 y 27 años (M=20.77, SD=1.39) contestaron a una batería de pruebas que evaluaban la Inteligencia Emocional (TMMS-24), las infracciones de tráf…
A Multilevel Analysis of Economic Literacy Among International Students
2021
International student mobility has increased in the past years. The inclusion of a highly heterogeneous group of students requires updated recruitment and admission strategies. A particularly vulnerable group of international students are refugees, who have an exceptionally high risk of dropping out of their studies. We present an entrance assessment of incoming international students from 77 countries who are at the beginning of their studies in Germany. Based on this unique sample, we examine (i) whether there are systematic country-specific effects on the economic literacy of beginning students of business and economics and (ii) whether refugee students differ from the group of internati…
Editorial for the Special Issue “Extracellular Chaperones and Related miRNA as Diagnostic Tools of Chronic Diseases”
2021
Molecular chaperones are a family of proteins that are highly conserved during phylogenesis [...]
Compromiso e intención de abandono en adolescentes de selecciones nacionales argentinas: el papel de los agentes sociales y efectos del género
2021
espanolIntroduccion/objetivo. El objetivo de esta investigacion es examinar el poder predictivo de la percepcion de los estilos interpersonales de entrenadores/as, padres y madres en el compromiso e intencion de abandono de adolescentes deportistas argentinos de alto rendimiento, considerando el papel del genero en esta relacion. Metodo. Participaron 234 adolescentes de entre 12 y 16 anos (M = 14.48, DT = 1.09) seleccionados para los Juegos Olimpicos de la Juventud —Buenos Aires 2018—, quienes cumplimentaron cuestionarios para la evaluacion de las variables de interes. Resultados. Los varones perciben mayores niveles de compromiso que las mujeres y estas perciben mayor apoyo a la autonomia …
Topological surface wave metamaterials for robust vibration attenuation and energy harvesting
2021
International audience; We propose topological metamaterials working in Hertz frequency range, constituted of concrete pillars on the soil ground in a honeycomb lattice. Based on the analog of the quantum valley Hall effect, a non-trivial bandgap is formed by breaking the inversion symmetry of the unit cell. A topological interface is created between two different crystal phases whose robustness against various defects and disorders is quantitatively analyzed. Finally, we take advantage of the robust and compact topological edge state for designing a harvesting energy device. The results demonstrate the functionality of the proposed structure for both robust surface vibration reduction and …
Psychological State after an Acute Coronary Syndrome: Impact of Physical Limitations
2021
The aim of this study was to investigate how physical limitations after ACS influence patients’ quality of life and health perception. This was a longitudinal clinical study. We recruited 146 patients diagnosed with ACS. The patients performed a stress test (Bruce’s protocol) for the evaluation of physical limitations and were classified according to the test result: without physical limitations (more than 10 METS), with some physical limitations (7 to 9 METS), and with high physical limitations (less than 6 METS). Significant differences were found between the three groups immediately after the diagnosis of ACS and after a period of three months, regarding health perception, anxiety, depre…
An Energy-Autonomous Wireless Sensor with Simultaneous Energy Harvesting and Ambient Light Sensing
2021
Wireless sensor nodes (WSNs) are generally powered by batteries, which results in a substantial limitation to the places where the nodes can be installed, to the maximum number of deployable devices, and to the node lifetime. To meet the demand for Internet-of-Things (IoT) applications that require a large number of maintenance-free, low cost, wireless sensor nodes, this paper proposes a wireless sensor platform with a single photovoltaic transducer that performs the dual role of harvesting energy and sensing ambient light. This dual use allows even smaller and cheaper nodes that do not require any form of supporting external power, with a reduced component count. The device implements off-…
The Monumental Olive Trees as Biocultural Heritage of Mediterranean Landscapes: The Case Study of Sicily
2021
Monumental olive trees, with their longevity and their remarkable size, represent an important information source for the comprehension of the territory where they grow and the human societies that have kept them through time. Across the centuries, olive trees are the only cultivated plants that tell the story of Mediterranean landscapes. The same as stone monuments, these green monuments represent a real Mediterranean natural and cultural heritage. The aim of this paper is to discuss the value of monumental trees as “biocultural heritage” elements and the role they play in the interpretation of the historical stratification of the landscape. We present the results of a survey of the most s…
Postkvalitatiivisia liikahduksia tekstin ja äänen välillä
2021
Evolution of Seismicity During a Stalled Episode of Reawakening at Cayambe Volcano, Ecuador
2021
Cayambe Volcano is an ice-capped, 5,790 m high, andesitic-dacitic volcanic complex, located on the equator in the Eastern Cordillera of the Ecuadorian Andes. An eruption at Cayambe would pose considerable hazards to surrounding communities and a nationally significant agricultural industry. Although the only historically documented eruption was in 1785, it remains persistently restless and long-period (LP) seismicity has been consistently observed at the volcano for over 10 years. However, the sparse monitoring network, and complex interactions between the magmatic, hydrothermal, glacial, and tectonic systems, make unrest at Cayambe challenging to interpret. In June 2016 a seismic “crisis” …
Comment analyser la fertilité des sols ? Comment accompagner les agriculteurs dans l’intégration de pratiques plus durables ? Table ronde.
2021
National audience; A l’occasion des Culturales, salon professionnel organisé par Arvalis et qui s’est tenu mi-juin à Bétheny (51), Lionel Ranjard (UMR Agroécologie) a livré son expertise en matière de microbiologie des sols, en présentant notamment le désormais célèbre « Atlas français des bactéries du sol ».
Adaptation and Psychometric Properties of the Scale of Positive and Negative Experience (SPANE) in the General Colombian Population
2021
(1) Background: Diener’s Scale of Positive and Negative Experiences (SPANE) assesses the presence and intensity of positive and negative affects, since these are considered basic aspects of the study of well-being. This article studies its psychometric properties in the general Colombian population. (2) We conducted a cross-sectional study of a sample of 1255 Colombians and we used structural equation modeling to confirm the bifactor structure. Additionally, we studied invariance by gender, and convergent and concurrent validity. (3) We found acceptable fit indicators for the bifactor model (CFI = 0.889, RMSEA = 0.046, SRMR = 0.059) as well as for the convergent (CFI = 0.909, RMSEA = 0.050,…
Distinct photodynamics of κ-N and κ-C pseudoisomeric iron(ii) complexes
2021
Two closely related FeII complexes with 2,6-bis(1-ethyl-1H-1,2,3-triazol-4yl)pyridine and 2,6-bis(1,2,3-triazol-5-ylidene)pyridine ligands are presented to gain new insights into the photophysics of bis(tridentate) iron(II) complexes. The [Fe(N^N^N)2]2+ pseudoisomer sensitizes singlet oxygen through a MC state with nanosecond lifetime after MLCT excitation, while the bis(tridentate) [Fe(C^N^C)2]2+ pseudoisomer possesses a similar 3MLCT lifetime as the tris(bidentate) [Fe(C^C)2(N^N)]2+ complexes with four mesoionic carbenes. Financial support from the Deutsche Forschungsge-meinschaft [DFG, Priority Program SPP 2102] "Light-controlled reactivity of metal complexes" (BA 4467/7-1, LO 714/11-1, …
Perhehoitoa paikantamassa
2021
Intentions to stay or to return among highly skilled Latvians in the EU: who is more likely to return?
2021
In the context of university-diploma drain from Latvia, this article analyzes how labor market integration and attachment to the host and home countries of highly skilled Latvian emigrants in Europ...
Issues of authenticity in religious and spiritual tourism
2021
Direct measurement of the mass difference of 72As-72Ge rules out 72As as a promising β-decay candidate to determine the neutrino mass
2021
Preprint of paper published on Physical Review C We report the first direct determination of the ground-state to ground-state electron-capture Q-value for the 72As to 72Ge decay by measuring their atomic mass difference utilizing the double Penning trap mass spectrometer, JYFLTRAP. The Q-value was measured to be 4343.596(75) keV, which is more than a 50-fold improvement in precision compared to the value in the most recent Atomic Mass Evaluation 2020. Furthermore, the new Qvalue was found to be 12.4(40) keV (3.1 σ) lower. With the significant reduction of the uncertainty of the ground-state to ground-state Q-value value combined with the level scheme of 72Ge from γ-ray spectro…
MetaCache-GPU: Ultra-Fast Metagenomic Classification
2021
The cost of DNA sequencing has dropped exponentially over the past decade, making genomic data accessible to a growing number of scientists. In bioinformatics, localization of short DNA sequences (reads) within large genomic sequences is commonly facilitated by constructing index data structures which allow for efficient querying of substrings. Recent metagenomic classification pipelines annotate reads with taxonomic labels by analyzing their $k$-mer histograms with respect to a reference genome database. CPU-based index construction is often performed in a preprocessing phase due to the relatively high cost of building irregular data structures such as hash maps. However, the rapidly growi…