cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Connecting Transculturalism with Transformative Learning: Toward a New Horizon of Adult Education
Creators: name: Jurkova, Sinela
name: Guo, Shibao
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: The impact of transnational migration with activities across transnational borders has reconfigured multiple social and public identities calling for shifting to transculturalism as a theoretical framework in understanding the changing nature of adult education. Transculturalism becomes a mode of being and learning where humans interact with each other in a culturally diverse environment. Integrating different identities and connecting the global with the local, transculturalism is a learning commitment that facilitates socio-cultural adaptation and interaction in a dynamic society recognizing different worldviews. This paper offers a theoretical approach toward transculturalism as transformative learning with a focus on discussions of cultural concepts and connections with perspective transformation. The common ground between transculturalism and transformative learning is the idea of continuum, and interconnection of knowledge, skills and attitudes as an ongoing process of inquiry, thinking, reflecting, and acting. Connecting theories of transculturalism and transformative learning with our new reality of transnational mobility across the world opens new horizons for policies and practices in immigration and adult education. L’impact de la migration transnationale et les activités transfrontalières qui en découlent a reconfiguré de multiples identités sociales et publiques, provoquant ainsi une demande d’adopter le transculturalisme comme cadre théorique pour comprendre l’évolution de l’éducation des adultes. Le transculturalisme devient un mode d’être et d’apprentissage où les humains interagissent dans un milieu culturellement diversifié. Intégrant différentes identités et liant le mondial au local, le transculturalisme est un engagement à l’apprentissage qui facilite l’adaptation et l’interaction socioculturelles dans une société dynamique qui reconnait la pluralité des visions du monde. Cet article offre une approche théorique qui considère le transculturalisme comme un apprentissage transformationnel axé sur les discussions de concepts et de liens culturels visant une transformation des perspectives. Le terrain commun entre le transculturalisme et l’apprentissage transformationnel est l’idée de continuum et l’interconnexion des connaissances, habiletés et attitudes comme processus continu d’enquête, de réflexion et d’actions. Le fait de lier les théories du transculturalisme et de l’apprentissage transformationnel à notre nouvelle réalité de mobilité transnationale de par le monde ouvre de nouveaux horizons aux politiques et aux pratiques touchant l’immigration et l’éducation des adultes. Mots clés : transnationalisme, transculturalisme, apprentissage transculturel, transformation des perspectives
description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
title: ÐÐ°Ð·Ð¾ÑÑÑÐ±Ð¸Ð½Ð½Ð°Ñ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ° Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 160 ÐÐÑ Ñ ÑÐµÐ³ÐµÐ½ÐµÑÐ°ÑÐ¸ÐµÐ¹ ÑÐµÐ¿Ð»Ð¾ÑÑ ÑÑ Ð¾Ð´ÑÑÐ¸Ñ Ð³Ð°Ð·Ð¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Gas turbine unit with the capacity of 160 MW with waste heat recovery
Creators: name: ÐÑÐ·Ð¸Ð½, ÐÐµÐ¾Ð½Ð¸Ð´
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: Ð¾ÑÐ³Ð°Ð½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ¸ÐºÐ» Ð ÐµÐ½ÐºÐ¸Ð½Ð°
ÑÐµÐ³ÐµÐ½ÐµÑÐ°ÑÐ¸Ñ ÑÑ Ð¾Ð´ÑÑÐ¸Ð¹ ÑÐµÐ¿Ð»Ð¾ÑÑ
Ñ Ð»Ð°Ð´Ð°Ð³ÐµÐ½Ñ
Ð¿Ð°ÑÐ¾Ð²Ð°Ñ ÑÑÑÐ±Ð¸Ð½Ð°
Ð´ÐµÐºÐ°Ð¼ÐµÑÐ¸Ð»ÑÐµÑÑÐ°ÑÐ¸Ð»Ð¾ÐºÑÐ°Ð½
Ð³Ð¸Ð´ÑÐ¾Ñ Ð»Ð¾ÑÑÑÐ¾ÑÑÐ³Ð»ÐµÑÐ¾Ð´
Ð¾Ð·Ð¾Ð½Ð¾ÑÐ°Ð·ÑÑÑÐ°ÑÑÐ¸Ð¹ Ð¿Ð¾ÑÐµÐ½ÑÐ¸Ð°Ð»
Ð¿Ð¾ÑÐµÐ½ÑÐ¸Ð°Ð» Ð³Ð»Ð¾Ð±Ð°Ð»ÑÐ½Ð¾Ð³Ð¾ Ð¿Ð¾ÑÐµÐ¿Ð»ÐµÐ½Ð¸Ñ
organic Rankine cycle
waste heat recovery
refrigerant
steam turbine
decamethyltetrasiloxane
hydrochlorofluorocarbon
ozone depletion potential
global warming potential

description: Ð Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½ ÑÐ°ÑÑÐµÑ Ð¿Ð°ÑÐ¾Ð²Ð¾Ð¹ ÑÑÑÐ±Ð¸Ð½Ñ Ð¿Ð¾ Ð·Ð°Ð´Ð°Ð½Ð½Ð¾Ð¹ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐ¸ 75 ÐºÐÑ, Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð½Ð¾Ð¹ Ð½Ð° Ð¾ÑÐ³Ð°Ð½Ð¸ÑÐµÑÐºÐ¾Ð¼ ÑÐ¸ÐºÐ»Ðµ Ð ÐµÐ½ÐºÐ¸Ð½Ð° Ð¸ ÑÐ°Ð±Ð¾ÑÐ°ÑÑÐµÐ¹ Ð½Ð° ÑÐµÐ¿Ð»Ð¾ÑÐµ ÑÑÐ¾Ð´ÑÑÐ¸Ñ Ð³Ð°Ð·Ð¾Ð² Ð² ÑÐ¾ÑÑÐ°Ð²Ðµ Ð³Ð°Ð·Ð¾Ð²Ð¾Ð¹ ÑÑÑÐ±Ð¸Ð½Ñ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 160 ÐÐÑ. ÐÐ½Ð°Ð»Ð¸Ð·Ð¸ÑÑÑÑÑÑ Ð¿ÑÐ¸Ð¼ÐµÐ½Ð¸Ð¼ÑÐµ ÑÐ°Ð±Ð¾ÑÐ¸Ðµ ÑÐµÐ»Ð°, ÐºÐ¾ÑÐ¾ÑÑÐµ ÐºÐ»Ð°ÑÑÐ¸ÑÐ¸ÑÐ¸ÑÑÑÑÑÑ Ð² ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²Ð¸Ð¸ Ñ Ð¸Ñ Ð¿ÑÐµÐ´Ð½Ð°Ð·Ð½Ð°ÑÐµÐ½Ð¸ÐµÐ¼. Ð ÑÐ°ÑÑÐ½Ð¾ÑÑÐ¸, Ð¸ÑÑÐ»ÐµÐ´ÑÑÑÑÑ Ð¾ÑÐ³Ð°Ð½Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐ¸Ð»Ð¾ÐºÑÐ°Ð½ MD2M Ð¸ ÑÑÐµÐ¾Ð½ R-123. ÐÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð¿ÑÐ¾ÑÐ¾ÑÐ½Ð¾Ð¹ ÑÐ°ÑÑÐ¸ Ð¿ÑÐ¾Ð²Ð¾Ð´Ð¸ÑÑÑ Ð² Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ðµ INVENTOR, ÑÐ°ÑÑÐµÑ Ð² Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ðµ TURBO, Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð² ANSYS.
description: In the final qualification work the calculation of a steam turbine for a given power of 75 kW, operating on the organic Rankine cycle as part of a gas power turbine 160 MW is presented. The available working fluids, classified according to their purpose, are considered. In particular, organic fluids MD2M and R-123 are considered. The design of the flow part is made in the program INVENTOR, the calculation in the program TURBO.
Recurrent flux emergence from dynamo-generated fields
Creators: name: Warnecke, Jörn
name: Brandenburg, Axel
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We investigate the emergence of a large-scale magnetic field. This field is dynamo-generated by turbulence driven with a helical forcing function. Twisted arcade-like field structures are found to emerge in the exterior above the turbulence zone. Time series of the magnetic field structure show recurrent plasmoid ejections.
description: 2 pages, 2 figures, conference proceeding
GIS SUPPORTED INVESTIGATION OF IRRIGABLE LAND ANDSURFACE WATER RESOURCES: THE CASE OF ANDASSAWATERSHED, ETHIOPIA
Creators: name: BAYE TILAHUN MENGIE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Investigation of potential irrigable land and available water resources is an essential for
the development of irrigated agriculture. The study  is  focused on  investigating  land and
water resources potential of Andassa river catchment and preparing geo-referenced maps
of these  resources using GIS. Land  suitability for irrigation development was  identified
by considering the irrigation suitability factors such as slope, soil and land use /land
cover. The analysis result of these factors indicates that 95.17 % of slope, 75.2 % of soil
and 97 % land use/land cover are in the range of highly to marginally suitable for surface
irrigation. The  irrigable land of the area was identified using weighted overlay analysis
of the suitability parameters. The total irrigable land of watershed is about 76.7% which
is potentially suitable for surface irrigation and 23.3% is classified as nonsuitable (N).
Surface water potential of the study area was estimated through stream flow simulations
by SWAT model. The model was calibrated and validated from observed stream flow data
of the watershed using the periods of 1992-2005 and 2006-2012 respectively leaving two
years as “warm up’ ’period.  During calibration and validation, the results of model
performance indicators were in the acceptable range (R2
>0.6 NSE>0.5 and RVE
Using the 3E Framework in Promoting Adult Learners’ Success in Online Environments
Creators: name: Squires, Vicki
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: The growth of technology has facilitated a rapid expansion of online learning opportunities in postsecondary education, where adult learners are availing themselves of these classes and programs. To facilitate the success of adult learners in online environments, instructors must consider the learning characteristics of adult learners and intentionally design courses that leverage their strengths while addressing their challenges. The purpose of this paper is to utilize the 3E framework to analyze the implementation of e-learning technologies in order to achieve those goals. In this conceptual paper, first the 3E framework is described, and then the literature on adult learning in online environments is presented using a qualitative meta-synthesis approach. The 3E framework is then applied to examine e-learning technologies to highlight the implications this lens may have in the design and implementation of these technologies. La croissance de la technologie a facilité l’expansion rapide des occasions d’apprentissage en ligne dans le monde de l’éducation postsecondaire, où les adultes se prévalent de ces cours et ces programmes. Afin de promouvoir la réussite des apprenants adultes dans ces environnements en ligne, les instructeurs doivent tenir compte des caractéristiques d’apprentissage des apprenants adultes et ensuite concevoir des cours qui exploitent leurs forces tout en abordant leurs points faibles. À cette fin, la présente recherche emploie le cadre 3E (en anglais enhance, extend, empower: améliorer, accroitre, autonomiser) pour analyser la mise en œuvre de l’apprentissage électronique. Cet article conceptuel commence par décrire le cadre 3E pour ensuite présenter, par une synthèse méta-analytique et qualitative, la recherche portant sur l’apprentissage par les adultes dans les environnements en ligne. Par la suite, le cadre 3E est appliqué à l’étude des technologies en ligne pour mettre en valeur les incidences que pourraient avoir cette perspective sur la conception et la mise en œuvre de ces technologies. Mots clés : apprentissage en ligne, apprenants adultes, éducation postsecondaire
description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
PERFORMANCE EVALUATION OF THE WATER DELIVERY  SYSTEM IN COMMUNITY MANAGED SMALL SCALE IRRIGATION: CASE OF BUCHIKSI SCHEME,
Creators: name: BITEW MASRESHA ALEFE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Performance assessment of irrigation system plays a vital role for improvement of the future
functioning of the system. This study was conducted to assess water delivery performances
and  to determine water conveyance loss in the  gravity  irrigation  system  that serves the
irrigation area.  Primary data were collected from fields by measuring the flows  and
questionnaire survey was conducted in order to get valuable information from the users. The
velocity of the canals was measured by current meter and float methods.  Secondary data
were collected from Chagni Metrological Station and other data from respective government
offices and NGOs. CROPWAT software was used to calculate crop water requirement. The
water delivery performance of the irrigation system  was evaluated using  adequacy,
efficiency, dependability, and equity. The computed values of adequacy, efficiency,
dependability, and equity  were 0.78, 0.81, 0.27 and 0.28  respectively.  This shows that
adequacy, dependability,  and equity of the system  were  poor but the efficiency of the
irrigation system was  fair. Annual  relative water and irrigation supply were  also used for
indicating  the adequacy of the supply. The results show that the annual water and irrigation
supply in Buchiksi irrigation system was adequate with values of 3.6 and 2.4 respectively. In
this study the conveyance losses at the off-takes were determined. The water conveyance loss
at the main canal level was between  11.76% (0.267l/s/m) to 25% (0.44l/s/m).  At the
secondary canal level,  the conveyance losses  were  between  8% (0.20  l/s/m) to  55.56%
(0.1l/s/m). This result shows that the average  conveyance loss increases from head to tail
reaches  in both main and secondary canals.  The  values of water surface elevation ratio,
sustainability of irrigated area and effectiveness of infrastructure were found to be 87, 80.5
and 73.5  percent  respectively.  This reveals  that, maintenance and  operation  work on the
irrigation system were not sufficient. To increase the performance of the  irrigation scheme
continued evaluation and maintenance of irrigation systems  are  an urgent  to keep the
performance on a good level.
Latitudinal Variation of Clouds' Structure Responsible for Venus' Cold Collar
Creators: name: Garate-Lopez, I.
name: Lebonnois, Sébastien
Publisher: name: arXiv
Year: 2024
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Global Climate Models (GCM) are very useful tools to study theoretically the general dynamics and specific phenomena in planetary atmospheres. In the case of Venus, several GCMs succeeded in reproducing the atmosphere's superrotation and the global temperature field. However, the highly variable polar temperature and the permanent cold collar have not been reproduced satisfactorily yet. Here we improve the radiative transfer scheme of the Institut Pierre Simon Laplace Venus GCM in order to numerically simulate the polar thermal features in Venus atmosphere. The main difference with the previous model is that we now take into account the latitudinal variation of the cloud structure. Both solar heating rates and infrared cooling rates have been modified to consider the cloud top's altitude decrease toward the poles and the variation in latitude of the different particle modes' abundances. A new structure that closely resembles the observed cold collar appears in the average temperature field at $2\times10^{4} - 4\times10^{3}$~Pa ($\sim62 - 66$~km) altitude range and $60^{\circ} - 90^{\circ}$ latitude band. It is not isolated from the pole as in the observation-based maps, but the obtained temperature values (220~K) are in good agreement with observed values. Temperature polar maps across this region show an inner warm region where the polar vortex is observed, but the obtained 230~K average value is colder than the observed mean value and the simulated horizontal structure does not show the fine-scale features present within the vortex. Our study shows that the cloud structure is essential in the cold collar formation. Although our analysis focuses on the improvement of the radiative forcing and the variations it causes in the thermal structure, polar dynamics is definitely affected by this modified environment and a noteworthy upwelling motion is found in the cold collar area.
title: ÐÐ±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ¾Ð² Ð¼Ð¾Ð´ÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÐ´Ð° ÑÐ±Ð°Ð»Ð°Ð½ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÑ Ð¼Ð°Ð½Ð¸Ð¿ÑÐ»ÑÑÐ¾ÑÐ¾Ð² Ð´Ð»Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ Ð² Ð³Ð¸Ð±ÐºÐ¸Ñ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½ÑÑ ÑÐ¸ÑÑÐµÐ¼Ð°Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Justification of parameters of a model range of balanced manipulators for use in flexible production systems
Creators: name: ÐÐ°Ð½Ð½Ð¸ÐºÐ¾Ð², ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: ÐÐ¸Ð±ÐºÐ¸Ðµ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½ÑÐµ ÑÐ¸ÑÑÐµÐ¼Ñ
Ð Ð¾Ð±Ð¾ÑÑ Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½ÑÐµ
ÐÐµÑÐ°Ð»Ð»Ð¾ÑÐµÐ¶ÑÑÐ¸Ðµ ÑÑÐ°Ð½ÐºÐ¸
ÑÐ¼Ð½Ð°Ñ ÑÐ°Ð±ÑÐ¸ÐºÐ°
Ð¸Ð½Ð´ÑÑÑÑÐ¸Ñ 4.0
ÐºÐ¸Ð½ÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑ ÐµÐ¼Ñ
3-Ð´ Ð¿ÑÐ¸Ð½ÑÐµÑÑ

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð±ÑÐ»Ð¸ Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð³Ð¸Ð±ÐºÐ¸Ðµ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½ÑÐµ ÑÐ¸ÑÑÐµÐ¼Ñ, ÑÐ°Ðº Ð¶Ðµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÐ¼Ð½ÑÐµ ÑÐ°Ð±ÑÐ¸ÐºÐ¸, ÑÐ°Ð±Ð¾ÑÐ°ÑÑÐ¸Ðµ Ñ Ð°Ð´Ð´Ð¸ÑÐ¸Ð²Ð½ÑÐ¼Ð¸ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐ¼Ð¸ Ð² Ð²Ð¸Ð´Ðµ 3-Ð´ Ð¿ÑÐ¸Ð½ÑÐµÑÐ¾Ð². ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÐºÐ¸Ð½ÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÑÐµÐ¼ ÑÐ±Ð°Ð»Ð°Ð½ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÑ Ð¼Ð°Ð½Ð¸Ð¿ÑÐ»ÑÑÐ¾ÑÐ¾Ð², Ð° ÑÐ°Ðº Ð¶Ðµ ÑÐ¸Ð¿ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¼Ð°Ð½Ð¸Ð¿ÑÐ»ÑÑÐ¾ÑÐ¾Ð². Ð¡Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½ ÑÐ±Ð°Ð»Ð°Ð½ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÐ¹ Ð¼Ð°Ð½Ð¸Ð¿ÑÐ»ÑÑÐ¾Ñ Ð´Ð»Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ ÐµÐ³Ð¾ Ð² Ð³Ð¸Ð±ÐºÐ¾Ð¹ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ðµ.
description: In this paper, we analyzed the flexible production systems, as well as considered smart factories that work with additive technologies in the form of 3-d printers. The analysis of kinematic schemes of balanced manipulators, as well as the type of control manipulators. A balanced manipulator has been designed for use in a flexible production system.
Exploring Selfish Trends of Malicious Mobile Devices in MANET
Creators: name: Suri, P. K.
name: Taneja, Kavita
Publisher: name: arXiv
Year: 2010
Subjects: subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: The research effort on mobile computing has focused mainly on routing and usually assumes that all mobile devices (MDs) are cooperative. These assumptions hold on military or search and rescue operations, where all hosts are from the same authority and their users have common goals. The application of mobile ad hoc networks (MANETs) as open networks has emerged recently but proliferated exponentially. Energy is a valuable commodity in MANETs due to the limited battery of the portable devices. Batteries typically cannot be replaced in MANETs, making their lifetime limited. Diverse users, with unlike goals, share the resources of their devices and ensuring global connectivity comes very low in their priority. This sort of communities can already be found in wired networks, namely on peer-to-peer networks. In this scenario, open MANETs will likely resemble social environments. A group of persons can provide benefits to each of its members as long as everyone provides his contribution. For our particular case, each element of a MANET will be called to forward messages and to participate on routing protocols. A selfish behavior threatens the entire community and also this behavior is infectious as, other MDs may also start to perform in the same way. In the extreme, this can take to the complete sabotage of the network. This paper investigates the prevalent malicious attacks in MANET and analyzes recent selfish trends in MANET. We analyzed the respective strengths and vulnerabilities of the existing selfish behaviour prevention scheme.
A Formula for the Function π(x) to Count the Number of Primes Exactly if 25 ≤ x ≤ 538 with Python Code to Test It
Creators: name: Chavez, Danilo
Publisher: name: figshare
Year: 2022
Subjects: subject: 10399 Numerical and Computational Mathematics not elsewhere classified
subject: FOS: Mathematics
subject: 10104 Combinatorics and Discrete Mathematics (excl. Physical Combinatorics)
subject: 10299 Applied Mathematics not elsewhere classified
subject: 10101 Algebra and Number Theory
subject: 10199 Pure Mathematics not elsewhere classified

description: This paper shows a very elementary way of counting the number of primes under a given number with total accuracy. Is the function π(x) if 25 ≤ x ≤ 538.
The role of the angiotensin-II type I receptor in the control of breathing and central sleep apnea in normobaric hypoxia.
Creators: name: Brown, Courtney
Publisher: name: University of British Columbia
Year: 2019

description: Nearly all healthy humans experience central sleep apnea (CSA) at high altitude (>4000 m). Sensitization of the carotid body (CB), the primary peripheral chemoreceptor (PCR), is thought to facilitate the enhanced ventilatory response to carbon dioxide (CO₂) and the development of CSA following hypoxic exposure. A local renin-angiotensin system within the CB and the angiotensin II type-I receptor (AT₁R) may play an important role in this pathway. We aimed to determine if losartan, an AT₁R antagonist, attenuates chemosensitization of the PCR and consequently the severity of hypoxia induced CSA. We hypothesized that losartan would attenuate CSA severity and PCR chemosensitivity. In a double blind, placebo-controlled, randomized cross-over study, male participants (n = 14) took either losartan or a placebo pill three times over 24 hours on experimental days. Sleep in a normobaric hypoxic chamber (FIO₂ = 0.135) was monitored using a type-I cardiopulmonary sleep system. Chemosensitivity was assessed using hypercapnic ventilatory response (HCVR) tests and a hypoxic apnea response (HAR) test and was completed prior to and following eight hours of sleep in hypoxia. HCVR tests were conducted in a hyperoxic (PETO₂ = 350 mmHg) and hypoxic (PETO₂ = 50 mmHg) background. The HAR consisted of 2 breaths of nitrogen (N₂) followed by a 20 second apnea and 40 seconds of recovery repeated 6 times. Compared to placebo, losartan did not reduce CSA severity (73 ± 15 and 75 ± 14, respectively; P = 0.8). Ventilatory reactivity was similar between losartan and placebo during the hyperoxic HCVR (3.6 ± 1.1 and 4.0 ± 0.6 l/min/mmHg, respectively; P = 0.4) and the hypoxic HCVR (5.3 ± 1.4 and 5.7 ± 0.7 l/min/mmHg, respectively; P = 0.9). Losartan did not affect the cardiorespiratory responses to hypoxic apneas. In summary, losartan did not reduce CSA severity, or the chemoreflex responsiveness before or after eight hours of acute nocturnal hypoxia. Therefore, the AT1R may not be involved in the chemosensitization of the PCR or the development of CSA in response to acute nocturnal hypoxia, in healthy young males.
Career Decision of Recent First-generation Postsecondary Graduates at a Metropolitan Region in Canada: A Social Cognitive Career Theory Approach
Creators: name: Dos Santos, Luis Miguel
Publisher: name: Alberta Journal of Educational Research
Year: 2018

description: Using social cognitive career theory by Lent, Brown and Hackett (1994), this research analyzed recent first-generation postsecondary graduates’ career perspectives and the difficulties of being first-generation graduates. The researcher found that recent first-generation postsecondary graduates in a Canadian metropolitan model their career pathway and decisions after peers with similar experiences. Also, the professional suggestions from parents were not available for both academic and career planning. This finding suggested career counselors should not only suggest career pathways to students based on their characteristics, but they should also connect their overall personal characteristics and academic majors. Earlier studies showed that students’ childhood and teenage experiences could influence their outcome expectations for career selection. S’appuyant sur la théorie cognitive-sociale de l’orientation professionnelle de Lent, Brown et Hackett (1994), cette recherche a analysé les perspectives de carrière d’étudiants ayant récemment obtenu un diplôme postsecondaire ainsi que les difficultés liées au fait d’être la première génération de diplômés du postsecondaire. Le chercheur a trouvé que les membres de la première génération de diplômés récents du postsecondaire dans une métropole canadienne orientent leur cheminement et leurs décisions professionnelles sur ceux de leurs pairs avec des expériences similaires. Il a également noté l’absence de suggestions de la part des parents relatives à la planification académique et professionnelle. Ces résultats portent à croire que les conseillers en orientation ne devraient pas se limiter à proposer des cheminements professionnels basés sur les traits des étudiants, mais devraient également tenir compte de leurs traits de caractère et de leurs spécialisation académique. Des études antérieures ont démontré que les expériences que vivent les étudiants pendant leur enfance et adolescence peuvent influencer leurs attentes de résultats quant au choix de carrière. Mots clés : orientation professionnelle, psychopédagogie, première génération de diplômés, théorie cognitive-sociale de l’orientation professionnelle, développement sain des jeunes
description: Alberta Journal of Educational Research, Vol. 64 No. 2 (2018): Summer 2018 (Theme Issue)
Induced soliton ejection from a continuous-wave source waveguided by an optical pulse-soliton train
Creators: name: Dikande, Alain M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Optics (physics.optics)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: It has been established for some time that high-power pump can trap a probe beam of lower intensity that is simultaneously propagating in a Kerr-type optical medium, inducing a focusing of the probe with the emergence of modes displaying solitonic properties. To understand the mechanism by which such self-sustained modes are generated, and mainly the changes on probe spectrum induced by the cross-phase-modulation effect for an harmonic probe trapped by a multiplex of temporal pulses, a linear equation (for the probe) and a nonlinear Schrödinger equation (for the pump) both coupled by a cross-phase-modulation term, are considered simultaneously. In general the set of coupled probe-pump equations is not exactly tractable at any arbitrary value of the ratio of the cross-phase to the self-phase modulation strengths. However, for certain values of this ratio, the probe modulation wavector develops into $|n,l\textgreater$ {\it quantum states} involving $2n+1$ soliton-shaped eigenfunctions which spectral properties can be characterized unambiguously. Solutions of the probe equation give evidence that the competition between the self-phase and cross-phase modulations leads to a broadband spectrum, with the possibility of a quasi-continuum of soliton modes when the cross-phase-modulation coupling is strong enough.
description: 15 pages, 27 figures
Interview with Arnold Leo, Tape 1063, January 31, 1983
Creators: name: Leo, Arnold, 1935-
name: Eilertsen, John
name: East Hampton Maritime Folklife Collection
Publisher: name: Unknown
Year: 1983
Subjects: Fishermen
Fishing industry
Fishing
Fishing & hunting gear
Fishing lures
Fishing nets
Fishing boats
East Hampton
Springs
Amagansett
Families
Social values
Interpersonal relations
Economic & social conditions
Manners & customs
Oral History

description: This is a transcript of an oral history interview conducted with Bill Lycke. It was compiled as part of a collection of interviews conducted mainly by John Eilertsen in conjunction with the Suffolk County Maritime Folklife Collection. The interviews focus on people engaged in the fishing business, and there is a good deal of overlap in who is interviewed in this collection and materials from the East Hampton Town Baymen's Association Collection, along with the Men's Lives Collection. Adelaide de Menil, who was one of the key forces behind the Men's Lives/Long Island Fisherman Project Oral History Collection, was also involved in this project. While the transciption spells Bill's name as Lyke, this is a local name typically spelled Lycke, and he appears elsewhere with the Lycke spelling, so for the sake of consistency, the actual spelling is used here.
description: This is a typed transcription of an interview conducted as part of a documentation project on local fishermen, with interviews mainly conducted by John Eilertsen. This project was done as a documentation effort, and has ties to the Men's Lives project.
Nel cuore della pandemia. Geografie in mutamento
Creators: name: Galluccio, Floriana
name: Maggioli, Marco
name: Morri, Riccardo
Publisher: name: Semestrale di studi e ricerche di geografia
Year: 2022

description: Nel suo saggio Virus. Catastrofe e Solidarietà (2020) Slavoj Zízek sottolinea come: «Dell’epidemia del coronavirus si è già scritto molto. Cosa posso aggiungere da osservatore non specializzato e con un accesso limitato ai dati?» (p. 24). È questa una condizione distonica alquanto diffusa in cui continuiamo a trovarci dopo quasi due anni dalle prime notizie sulla presenza del virus Sars-Cov2; nel frattempo le opinioni più diverse sulla pandemia sono cresciute in modo esponenziale. Il deflagrare dell’epidemia da Covid-19, di fatto, ha dato l’abbrivio a una miriade di interventi e letture di varia natura su come affrontare la gestione delle emergenze sanitaria, sociale, economico-politica.
description: Semestrale di studi e ricerche di geografia, N. 2 sup (2021): Geografie in mutamento. Covid 19 e la metamorfosi del mondo
The Criminalisation of Adverse Medical Events in Criminal Negligence Cases: Exploring Fate, Agency, and Pragmatism in the Construction of Blame for Alleged Physician Negligence
Creators: name: Mott, Patrick Henry
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2022
Subjects: adverse medical events
defensive medicine
criminalisation of medical error
medical manslaughter
medical negligence
pragmatic adjudication

description: The criminal law has been critiqued as an unsuitable system to regulate adverse medical events (AME) because the unintentional nature of AME renders it incompatible with the penal objectives of the criminal law. This project uses an interpretivist approach to examine how blameworthiness is constructed in criminal cases involving AME. Situated within a contextual constructionist paradigm, and utilizing a theoretical framework that draws on legal pragmatism, symbolic interactionism, Habermasian thought, and Goffmanian frame analysis, this project employs a case study approach to explore how appellate courts construct AME as a product of fate or agency. The British case of Bawa-Garba v. R. (2016) and the Canadian case of R. v. Javanmardi (2019) are analysed using thematic analysis. It is concluded that the majority of the Supreme Court of Canada in Javanmardi constructed the AME within the realm of fate, contrasting the minority in Javanmardi and full panel of the England and Wales Court of Appeal in Bawa-Garba which constructed the AME within the realm of agency. It is also concluded that the majority in Javanmardi utilised pragmatic adjudication to determine blameworthiness. It is suggested that these findings could reduce fear of criminal liability among Canadian health care professionals. Future research is suggested to examine the legal cultures underlying this variation, critically explore the intersection of race and criminal prosecution of AME, and apply structural violence as a theoretical frame to further interrogate AME as a systemic failure.
Pandemi-cities? Agglomerazione, densità e connettività urbana nella crisi sanitaria da Covid-19
Creators: name: Salone, Carlo
Publisher: name: Semestrale di studi e ricerche di geografia
Year: 2022

description: During the first and second wave of the Covid-19 pandemic, opinion leaders as well as urban scholars claimed the urban density to be one of the most relevant causes of such event. In the inevitable chaos of a public debate always delayed in comparison to the sudden dynamics of the contagion, the evergreen and popular dichotomy ‘urban/anti-urban’ has polarised the arguments. This paper aims at proposing a discussion of the notions of agglomeration, density, and connectivity used in urban studies, to contribute to a more in-depth analysis of the territorial aspects of the pandemic. The implications of the conceptual triad will be scrutinised according to the evidence arisen during the first pandemic phase, according to some empirical analyses developed on this topic by the author in cooperation with other researchers. In conclusion, some considerations on the relationships between the pandemic and the uneven geography of Italy will be presented.
description: Semestrale di studi e ricerche di geografia, N. 2 sup (2021): Geografie in mutamento. Covid 19 e la metamorfosi del mondo
Vulnerabilità, interdipendenza e riparazione. Un approccio femminista alla pandemia
Creators: name: Festa, Daniela
Publisher: name: Semestrale di studi e ricerche di geografia
Year: 2022

description: The pandemic has made particularly visible the different conditions of vulnerability that are distributed within society, placing the theme of care and social reproduction at the center of public debate as key areas to be preserved and collectively promoted. All this has been possible thanks to the contribution of feminist thought and practices in recent decades, both at the de-constructive and analytical level and in terms of proposals for a welfare system capable of functioning in a restorative sense in relation to the systemic inequalities that have been sedimented as a result of discriminatory gender and race-based policies. The article offers a survey of feminist theories – of vulnerability, care and social reproduction - and deploys an intersectional and decolonial approach which allows to interpret the global functioning and the social effects of the pandemic and to formulate transformative and restorative public policy solutions to face the crisis.
description: Semestrale di studi e ricerche di geografia, N. 2 sup (2021): Geografie in mutamento. Covid 19 e la metamorfosi del mondo
Weakly Z symmetric manifolds
Creators: name: Mantica, Carlo A.
name: Molinari, Luca G.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53B20, 53B21

description: We introduce a new kind of Riemannian manifold that includes weakly-, pseudo- and pseudo projective- Ricci symmetric manifolds. The manifold is defined through a generalization of the so called Z tensor; it is named "weakly Z symmetric" and denoted by (WZS)_n. If the Z tensor is singular we give conditions for the existence of a proper concircular vector. For non singular Z tensor, we study the closedness property of the associated covectors and give sufficient conditions for the existence of a proper concircular vector in the conformally harmonic case, and the general form of the Ricci tensor. For conformally flat (WZS)_n manifolds, we derive the local form of the metric tensor.
description: 13 pages
Adesso e nell'ora
Creators: name: Mazza, Emilio
Publisher: name: Semestrale di studi e ricerche di geografia
Year: 2022

description: Pà-pa-pa-pà – ta-ra-ta-ra-tà ta-ra-ta-ra-tà – Pa-pà-pa-pà. Tromba – Tamburo – Tromba. Iniziava così, con la marcia funebre per la regina Maria, ma questo lo sapevano in pochi. Era Radiomemento, che qualcuno un po’ meno preciso chiamava Radiosepoltura (le cremazioni divampavano ovunque) e qualcun altro un po’ più didascalico Radiodevimorire (il mondo è una curva da stadio). E iniziava ogni giorno alle sei del mattino. Erano quelli che molti dicevano «tempi di coronavirus», pensando di dire qualcosa di più di ciò che dicevano, cioè i primi mesi della pandemia di Sars-Cov-2; e di pandemia si trattava davvero, perché l’OMS, per gli anglofoni WHO (non chiedetemi chi), aveva dichiarato così. Ovunque se ne leggevano i segni. Pipistrelli cinesi selvatici del genere unico dei Rinolofidi volavano alti sotto le nuvole e invisibili sopra di noi, scaricandoci addosso quell’acido ribonucleico che sembrava corona, ma solo con l’occhio del microscopio. Con l’arrivo del Betacoronavirus, il secondo dei quattro di cui l’Alfa era il primo, e l’invasione delle mascherine, che sciamavano in massa dalle prigioni d’Egitto, prendevamo tutti coscienza di quanto gli esploratori della bromopnea avevano scoperto da tempo: l’alito nostro.
description: Semestrale di studi e ricerche di geografia, N. 2 sup (2021): Geografie in mutamento. Covid 19 e la metamorfosi del mondo
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð¸ ÑÐ°ÑÑÐµÑ Ð°Ð½Ð°Ð»Ð¾Ð³Ð¾Ð²Ð¾Ð¹ Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¿ÐµÑÐµÐ´Ð°ÑÐ¸ Ñ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð½ÑÐ¼ Ð´Ð¾ÑÑÑÐ¿Ð¾Ð¼
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Design and calculation of analogue fibre optic transmission system with distributed access
Creators: name: ÐÐ¸ Ð®ÐµÑÐ¸
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: Ð¿Ð°ÑÐ°Ð»Ð»ÐµÐ»ÑÐ½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð° ÑÐ²ÑÐ·Ð¸ ÑÐ¸Ð¿Ð° Â«Ð·Ð²ÐµÐ·Ð´Ð°Â»
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Ð¸ÑÑÐ¾ÑÐ½Ð¸ÐºÐ¸ ÑÐ²ÐµÑÐ°
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parallel star-type communication system
photodetectors
fibre optics
light sources
energy calculation
rise-time budget calculation

description: Ð¢ÐµÐ¼Ð° Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ: Â«Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð¸ ÑÐ°ÑÑÐµÑ Ð°Ð½Ð°Ð»Ð¾Ð³Ð¾Ð²Ð¾Ð¹ Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¿ÐµÑÐµÐ´Ð°ÑÐ¸ Ñ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð½ÑÐ¼ Ð´Ð¾ÑÑÑÐ¿Ð¾Ð¼Â» . Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð¼ÐµÑÐ¾Ð´Ñ ÑÐ°ÑÑÐµÑÐ° Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ¾Ð² Ð²Ð¾Ð»Ð¾ÐºÐ¾Ð½Ð½Ð¾-Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ ÑÐ¸ÑÑÐµÐ¼ Ð¿ÐµÑÐµÐ´Ð°ÑÐ¸ (ÐÐÐ¡Ð), Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÑÑÑÐ¸Ñ Ð¸Ñ ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ Ð¸ Ð±ÑÑÑÑÐ¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ. Ð ÑÐ¾Ð´Ðµ ÑÑÐ¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ñ ÑÐ°ÑÑÐµÑÑ ÐÐÐ¡Ð Ð´Ð»Ñ Ð°Ð½Ð°Ð»Ð¾Ð³Ð¾Ð²ÑÑ ÑÐ¸Ð³Ð½Ð°Ð»Ð¾Ð² Ð¿ÑÐ¸ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ð¸ Ð¼Ð½Ð¾Ð³Ð¾Ð¼Ð¾Ð´Ð¾Ð²Ð¾Ð³Ð¾ Ð²Ð¾Ð»Ð¾ÐºÐ½Ð°. Ð Ð¿ÑÐ¸Ð»Ð¾Ð¶ÐµÐ½Ð¸ÑÑ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ ÑÐ°Ð±Ð»Ð¸ÑÐ½ÑÐµ Ð´Ð°Ð½Ð½ÑÐµ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ¾Ð² Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² ÐÐÐ¡Ð. Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð²ÑÑÐ°Ð¶ÐµÐ½Ð¸Ñ, Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÑÑÑÐ¸Ðµ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ðµ ÑÐ¸Ð³Ð½Ð°Ð»/ÑÑÐ¼ (SNR), Ð¼Ð¸Ð½Ð¸Ð¼Ð°Ð»ÑÐ½Ð°Ñ Ð¿ÑÐ¸Ð½Ð¸Ð¼Ð°ÐµÐ¼Ð°Ñ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑ (Pmin) Ð¸ ÑÐºÐ²Ð¸Ð²Ð°Ð»ÐµÐ½ÑÐ½Ð°Ñ ÑÑÐ¼Ð¾Ð²Ð°Ñ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑ (NEP) Ð² Ð·Ð°Ð²Ð¸ÑÐ¸Ð¼Ð¾ÑÑÐ¸ Ð¾Ñ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ¾Ð² Ð²ÑÐ±ÑÐ°Ð½Ð½Ð¾Ð¹ ÑÑÐµÐ¼Ñ.
description: The topic of this thesis is "Design and calculation of analogue fibre optic transmission system with distributed access". This paper presents methods for calculating the main parameters of fiber-optic transmission systems (FOTS), which determine their energy characteristics and rise-time budget. In the course of this work, calculations of FOÐ¢S for analog signals as well as for multi-mode fiber are presented. The appendices present tabular data on the parameters of the main FOTS elements. The signal-to-noise ratio (SNR), minimum received power (Pmin) and equivalent noise power (NEP) depending on the parameters of the selected scheme are considered.
Analytic results and weighted Monte Carlo simulations for CDO pricing
Creators: name: Stippinger, Marcell
name: Vető, Bálint
name: Rácz, Éva
name: Bihary, Zsolt
Publisher: name: arXiv
Year: 2011
Subjects: subject: Computational Finance (q-fin.CP)
subject: FOS: Economics and business

description: We explore the possibilities of importance sampling in the Monte Carlo pricing of a structured credit derivative referred to as Collateralized Debt Obligation (CDO). Modeling a CDO contract is challenging, since it depends on a pool of (typically about 100) assets, Monte Carlo simulations are often the only feasible approach to pricing. Variance reduction techniques are therefore of great importance. This paper presents an exact analytic solution using Laplace-transform and MC importance sampling results for an easily tractable intensity-based model of the CDO, namely the compound Poissonian. Furthermore analytic formulae are derived for the reweighting efficiency. The computational gain is appealing, nevertheless, even in this basic scheme, a phase transition can be found, rendering some parameter regimes out of reach. A model-independent transform approach is also presented for CDO pricing.
description: 12 pages, 9 figures
Episodic disk accretion in the halo of the 'old' Pre-Main Sequence cluster Eta Chamaeleontis
Creators: name: Murphy, Simon J.
name: Lawson, Warrick A.
name: Bessell, Michael S.
name: Bayliss, Daniel D. R.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present multi-epoch medium-resolution observations of two M4.5 candidate members in the halo of the ~8 Myr Eta Chamaeleontis open cluster. Over six months of observations both stars exhibited variations in their H-alpha line profiles on timescales of days to months, with at least one episode of substantial activity attributable to accretion from a circumstellar disk. We derive an accretion rate ~10^-8.7 Msun/yr for this event, with a rate of ~10^-10.6 Msun/yr in quiescence. Episodic accretion like that observed here means existing surveys of accreting Weak-lined T-Tauri Stars in young clusters are likely incomplete and that gas dissipation timescales calculated from the fraction of accreting objects are underestimates.
description: 5 pages, 5 figures, 1 table. Accepted for publication in MNRAS Letters
Benvenuti nel realismo capitalista! Competition contro cooperazione
Creators: name: Iacono, Alfonso Maurizio
Publisher: name: Semestrale di studi e ricerche di geografia
Year: 2022

description: That unexpected event that was and is the coronavirus, among the many things to think about, there is at least two that deserve to be remembered here: • a) there is a substantial difference between the idea of freedom understood as an individualistic and self-centered way of living the relationship with others and the idea according to which the freedom of each finds its limit in the freedom of the other; b) only the prevailing of the sense of cooperation over that of competition could limit the damage and give us some prospect of escaping from the tunnel of contagion and death. Individualism and competition have made the happiness of those who got rich and are getting rich on those who are paying and will pay with their life, with unemployment, with poverty. Freedom can go hand in hand with equality only if it includes in itself the sense of limit, self-limitation, as when two children, but also two adults play and know they have to follow the rules for the game to be. But to keep to the rules they must know how to limit themselves. With freedom as a sense of limitation and with equality as an essential basis for diversity, it makes sense to speak of the common good, of the environment, of work, of school. And of change whose reality and concreteness must correspond or at least refer to principles.
description: Semestrale di studi e ricerche di geografia, N. 2 sup (2021): Geografie in mutamento. Covid 19 e la metamorfosi del mondo
Geografia e Storia dell’economia dell’Italia repubblicana: una riflessione di lungo periodo
Creators: name: Giannola, Adriano
Publisher: name: Semestrale di studi e ricerche di geografia
Year: 2022

description: Geography and history of the economy in republican Italy. A long-term reflection The evolution of the "Italian development model" since the 1950s displays changing territorial bases; an issue that has fueled, at least among economists, intense debates. A key feature of such evolution is the persisting dualism that, over time, has accompanied or conditioned economic development in the country. Other distinctive features of the model have gained centrality for limited periods (industrial districts, third Italy, etc.); they propose original analyses and solutions but not such as to avoid the country's descent into a more than twenty-year-long stagnation. And so, alongside the North-South gap, an external gap between the whole country (North and South together) and the rest of the European Union is rapidly widening; as a reaction, separate solutions are proposed, such as that of the Enhanced Fiscal Autonomy, which was blocked in 2018, but is now re-emerging in view of the post-pandemic period; or that of the “Recovery Fund”, in clear conflict with the strict conditionality required by the European Union from the "great sick man of Europe".
description: Semestrale di studi e ricerche di geografia, N. 2 sup (2021): Geografie in mutamento. Covid 19 e la metamorfosi del mondo
A self-similar process arising from a random walk with random environment in random scenery
Creators: name: Franke, Brice
name: Saigo, Tatsuhiko
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics

description: In this article, we merge celebrated results of Kesten and Spitzer [Z. Wahrsch. Verw. Gebiete 50 (1979) 5-25] and Kawazu and Kesten [J. Stat. Phys. 37 (1984) 561-575]. A random walk performs a motion in an i.i.d. environment and observes an i.i.d. scenery along its path. We assume that the scenery is in the domain of attraction of a stable distribution and prove that the resulting observations satisfy a limit theorem. The resulting limit process is a self-similar stochastic process with non-trivial dependencies.
description: Published in at http://dx.doi.org/10.3150/09-BEJ234 the Bernoulli (http://isi.cbs.nl/bernoulli/) by the International Statistical Institute/Bernoulli Society (http://isi.cbs.nl/BS/bshome.htm)
Entanglement in random pure states: Spectral density and average von Neumann entropy
Creators: name: Kumar, Santosh
name: Pandey, Akhilesh
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences
subject: 15A52, 15A18, 81V99, 94A15, 94A17

description: Quantum entanglement plays a crucial role in quantum information, quantum teleportation and quantum computation. The information about the entanglement content between subsystems of the composite system is encoded in the Schmidt eigenvalues. We derive here closed expressions for the spectral density of Schmidt eigenvalues for all three invariant classes of random matrix ensembles. We also obtain exact results for average von Neumann entropy. We find that maximum average entanglement is achieved if the system belongs to the symplectic invariant class.
description: 20 pages, 3 figures, Submitted for publication
Bayesian parameter estimation in the second LISA Pathfinder Mock Data Challenge
Creators: name: Nofrarias, M.
name: Röver, C.
name: Hewitson, M.
name: Monsky, A.
name: Heinzel, G.
name: Danzmann, K.
name: Ferraioli, L.
name: Hueller, M.
name: Vitale, S.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: A main scientific output of the LISA Pathfinder mission is to provide a noise model that can be extended to the future gravitational wave observatory, LISA. The success of the mission depends thus upon a deep understanding of the instrument, especially the ability to correctly determine the parameters of the underlying noise model. In this work we estimate the parameters of a simplified model of the LISA Technology Package (LTP) instrument. We describe the LTP by means of a closed-loop model that is used to generate the data, both injected signals and noise. Then, parameters are estimated using a Bayesian framework and it is shown that this method reaches the optimal attainable error, the Cramer-Rao bound. We also address an important issue for the mission: how to efficiently combine the results of different experiments to obtain a unique set of parameters describing the instrument.
description: 14 pages, 4 figures, submitted to PRD
Simulating QCD at finite density
Creators: name: de Forcrand, Philippe
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In this review, I recall the nature and the inevitability of the "sign problem" which plagues attempts to simulate lattice QCD at finite baryon density. I present the main approaches used to circumvent the sign problem at small chemical potential. I sketch how one can predict analytically the severity of the sign problem, as well as the numerically accessible range of baryon densities. I review progress towards the determination of the pseudo-critical temperature T_c(mu), and towards the identification of a possible QCD critical point. Some promising advances with non-standard approaches are reviewed.
description: 23 pages, Plenary talk at the 27th International Symposium on Lattice Field Theory (Lattice 2009), Beijing, China, 25-31 July 2009; v2: two small corrections in the complex Langevin section