cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Segnali maser d’acqua in tre sistemi extrasolari
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2017

Epsilon Eridani, a 10,8 anni luce, Lalande 21185, a 8,3 anni luce e Gliese 581 a poco più di 20 emettono un segnale compatibile con una spcifica emissione radio della molecola dell'acqua. A individuare queste tracce, i ricercatori Cristiano Cosmovici (Inaf Iaps Roma) e Sergei Pogrebenko (Jive, Olanda)
title: Modeling Overlapping and Heterogeneous Perception Variance in Stochastic User Equilibrium Problem with Weibit Route Choice Model
Creators: name: Kitthamkesorn, Songyot
Publisher: name: Utah State University
Year: 2013

description: In this study, a new SUE model using the Weibull random error terms is proposed as an alternative to overcome the drawbacks of the multinomial logit (MNL) SUE model. A path-size weibit (PSW) model is developed to relax both independently and identically distributed assumptions, while retaining an analytical closed-form solution. Specifically, this route choice model handles route overlapping through the path-size factor and captures the route-specific perception variance through the Weibull distributed random error terms. Both constrained entropy-type and unconstrained equivalent MP formulations for the PSW-SUE are provided. In addition, model extensions to consider the demand elasticity and combined travel choice of the PSW-SUE model are also provided. Unlike the logit-based model, these model extensions incorporate the logarithmic expected perceived travel cost as the network level of service to determine the demand elasticity and travel choice. Qualitative properties of these minimization programs are given to establish equivalency and uniqueness conditions. Both path-based and link-based algorithms are developed for solving the proposed MP formulations. Numerical examples show that the proposed models can produce a compatible traffic flow pattern compared to the multinomial probit (MNP) SUE model, and these models can be implemented in a real-world transportation network.
title: Ð¡Ð¸Ð½ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð°ÑÐ¿ÐµÐºÑÑ Ð¿ÐµÑÐµÐ²Ð¾Ð´Ð° Ð½Ð°ÑÑÐ½ÑÑ ÑÑÐ°ÑÐµÐ¹ Ð½Ð° Ð°Ð½Ð³Ð»Ð¸Ð¹ÑÐºÐ¸Ð¹ ÑÐ·ÑÐº
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
Creators: name: Ð ÑÐ½Ð´Ñ, ÐÐ°ÑÐ¸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: 2018
Subjects: Ð½Ð°ÑÑÐ½ÑÐ¹ ÑÑÐ¸Ð»Ñ
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description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ Ð´Ð¸Ð¿Ð»Ð¾Ð¼Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¿Ð¾Ð½ÑÑÐ¸Ñ ÑÐ¸Ð½ÑÐ°ÐºÑÐ¸ÑÐ° Ð¸ Ð½Ð°ÑÑÐ½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ñ. Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÐ¸Ð½ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ ÑÑÑÑÐºÐ¾Ð³Ð¾ Ð¸ Ð°Ð½Ð³Ð»Ð¸Ð¹ÑÐºÐ¾Ð³Ð¾ Ð½Ð°ÑÑÐ½ÑÑ ÑÑÐ¸Ð»ÐµÐ¹. ÐÐ° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð° Ð±ÑÑÐ¾ Ð¿ÐµÑÐµÐ²Ð¾Ð´Ð¾Ð² Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¾Ð³Ð¾ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑÐ° ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ ÑÐ¸Ð½ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð¿ÐµÑÐµÐ²Ð¾Ð´Ð° Ð½Ð°ÑÑÐ½Ð¾-ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ°ÑÐµÐ¹ Ð½Ð° Ð°Ð½Ð³Ð»Ð¸Ð¹ÑÐºÐ¸Ð¹ ÑÐ·ÑÐº. Ð ÐºÐ°Ð¶Ð´Ð¾Ð¼ Ð¿ÑÐ¸Ð¼ÐµÑÐµ Ð²ÑÑÐ²Ð»ÐµÐ½Ñ ÑÐ¸Ð½ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸, ÐºÐ¾ÑÐ¾ÑÑÐµ ÐºÐ»Ð°ÑÑÐ¸ÑÐ¸ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¿Ð¾ Ð³ÑÑÐ¿Ð¿Ð°Ð¼. ÐÐ¾Ð»ÑÑÐµÐ½Ð½ÑÐµ Ð´Ð°Ð½Ð½ÑÐµ Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¸ Ð¾ÑÑÐ°Ð¶ÐµÐ½Ñ Ð½Ð° ÑÐ¸ÑÑÐ½ÐºÐµ 2.1 Ð¸ ÑÐ¸ÑÑÐ½ÐºÐµ 2.2.
title: Growth Performance and Nutrient Metabolism of Pasture-Finished Beef Steers and In Vitro Fermentation Characteristics of Pasture Forages in Continuous Cultures
Creators: name: Noviandi, Cuk Tri
Publisher: name: Utah State University
Year: 2013

description: A 2-year grazing study was conducted to evaluate the growth performance, ruminal fermentation, carcass characteristics, and fatty acid compositions in subcutaneous adipose tissue of beef steers grazing tall fescue (Festuca arundinacea Shreb.; TF) pastures without or with N fertilization. Nitrogen fertilization increased crude protein concentration of TF pasture and average daily gain of beef steers. Increase in total volatile fatty acids (VFA) and ammonia-N (NH3-N) concentrations were detected in steers grazing fertilized TF. In comparison with steers on feedlot, pasture-finished steers had greater proportions of cis-9, trans-11 CLA and C18:3 n-3, but lower n-6:n-3 ratio in adipose tissue. In the first in vitro study using 2 energy supplements [corn or dried distillers grains with solubles (DDGS)] and 4 pasture mixture forages [TF without or with N fertilizer (TF˗NF or TF+NF), TF-alfalfa mixture (TF+AF), and TF-birdsfoot trefoil mixture (TF+BT)], we found that corn supplementation increased total VFA and propionate concentrations, while DDGS supplementation decreased total VFA concentrations. Lower NH3-N concentration and methane (CH4) production were observed due to energy supplementation, in particular when corn grain was supplemented. Similar NH3-N:VFA ratios were detected in the cultures fed the TF+NF and the TF+BT. This result indicates that the TF+BT had similar fermentation efficiency on in vitro ruminal metabolism compared with the TF+NF. The second in vitro study was performed to investigate the effects of grass-to-legume ratios of 3 different TF-legume mixed diets on in vitro fermentation characteristics in continuous cultures. Propionate concentration increased with the increasing of legume proportion in the mixed diets. The greatest propionate concentration was shown by cultures fed the TF+CM, while the TF+AF and the TF+BT maintained a similar propionate concentration. Increasing legume proportion in the forage diets also increased NH3-N concentration, but decreased CH4 production in the cultures. Further decrease of CH4 production was recorded when the TF+BT was fed to the cultures. Overall results from the grazing study demonstrate that N fertilizer can improve nutrient quality of TF as well as growth performance of grazing steers, while the in vitro studies showed positive effects of grass-legume mixture diets on in vitro microbial metabolism by improving ruminal fermentation and reducing CH4 production.
title: ÐÐ°ÑÑÐ½Ð¾-ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð°ÑÐºÐ¸ Ð² ÑÐ°Ð·Ð²Ð¸Ð²Ð°ÑÑÐµÐ¹ÑÑ ÑÑÑÐ°Ð½Ðµ Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ ÐÑÐ°Ð½Ð°
title: Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ°Ñ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: Ð¢Ð°ÑÐ°ÐºÐ¾Ñ, Ð­Ð»ÑÐ°Ð¼
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: 2017
Subjects: Ð½Ð°ÑÑÐ½Ð¾-ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð°ÑÐºÐ¸
ÑÐµÑ Ð½Ð¾Ð¿Ð°ÑÐºÐ¸
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Dynamic loads on spur gear teeth.
Creators: name: Yeh, Benjamin Hsi-Lu
Publisher: name: University of British Columbia
Year: 2011

description: The load on gear teeth while in operation has long been an open question. So many variable and uncertain factors are involved that it is not surprising that many different formulas and rules have been proposed from time to time. Few, if any, systematic experiments were made to obtain data on this subject until about 1923, when the ASME Special Research Committee on the Strength of Gear Teeth was organized and the Lewis gear-testing machine was built. The results of this Committee's work were published in an ASME Research Publication, 1931, entitled "Dynamic Loads on Gear Teeth". For the experiment in this thesis, a gear testing machine was designed and built in order to investigate the dynamic loads on gear teeth. Strain gages were applied to one of the test gear teeth and the main shaft, and were calibrated to give an indication of tooth load and shaft torque respectively. A static tooth load calibration on a strain indicator was made by means of a load arm, a cable and dead weights. The static calibration helped to set the indicator so that the reading shown on it during the dynamic load test could be converted to the true load applied. During the dynamic load test of each test series, photographs of the oscillograph traces were taken at different machine speeds and at several different values of nominal torque. The principal object of these tests was to determine loads between gear teeth under operating conditions by using strain gages and electronic recordings at the present time, the experimental work is limited to involute spur gears only. It is suggested by most gear experts, that the dynamic tooth load may be considered as the sum of the static load and the increment load. The experiments show clearly that the precise gears have no increment loads on their teeth, and that the measured maximum tooth loads are almost the same at different test speeds. The formula for evaluating the dynamic load on spur gear teeth, developed by Earle Buckingham, gives slightly higher values than the measured loads at low speed (approximate pitch line velocity 90 fpm), but diverges widely from the present experimental results at high speed (approximate pitch line velocity 2800 fpm).
title: ÐÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ñ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾-Ñ Ð¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾ ÑÐµÑ Ð° Ð¿Ð¾ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ñ Ð¼ÑÑÐ½ÑÑ Ð¿Ð¾Ð»ÑÑÐ°Ð±ÑÐ¸ÐºÐ°ÑÐ¾Ð² Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 1,5 ÑÐ¾Ð½Ð½Ñ Ð² ÑÑÑÐºÐ¸
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð¨ÐºÐ°Ð²Ð¸Ð´Ð¾ÑÐ¾Ð²Ð°, ÐÐ°ÑÐ¸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: 2016
Subjects: Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ðµ Ð¾Ð±ÑÐµÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¸ÑÐ°Ð½Ð¸Ñ
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description: ÐÐ±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½ Ð°ÑÑÐ¾ÑÑÐ¸Ð¼ÐµÐ½Ñ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð°Ñ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð° ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾ ÑÐµÑÐ°. ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ñ ÑÐ°ÑÑÐµÑÑ ÑÐºÐ»Ð°Ð´ÑÐºÐ¸Ñ Ð¿Ð¾Ð¼ÐµÑÐµÐ½Ð¸Ð¹, Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½ÑÑ ÑÐµÑÐ¾Ð² Ð¸ Ð²ÑÐ¿Ð¾Ð¼Ð¾Ð³Ð°ÑÐµÐ»ÑÐ½ÑÑ Ð¿Ð¾Ð¼ÐµÑÐµÐ½Ð¸Ð¹. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½ Ð¿Ð»Ð°Ð½ ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾ ÑÐµÑÐ° Ñ ÑÐ°ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¾Ð¹ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ. Ð Ð°ÑÑÑÐ¸ÑÐ°Ð½ ÑÑÐ°Ñ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð¸ Ð³ÑÐ°ÑÐ¸Ðº Ð²ÑÑÐ¾Ð´Ð° Ð½Ð° ÑÐ°Ð±Ð¾ÑÑ. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½ Ð¿Ð»Ð°Ð½ ÑÐ²Ð°ÐºÑÐ°ÑÐ¸Ð¸. ÐÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ ÑÐ°ÑÑÐµÑ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»ÐµÐ¹, Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾-ÑÐ¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸. Ð Ð°ÑÑÑÐ¸ÑÐ°Ð½Ð° ÑÐµÐ½ÑÐ°Ð±ÐµÐ»ÑÐ½Ð¾ÑÑÑ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð¸ ÑÑÐ¾Ðº ÐµÐ³Ð¾ Ð¾ÐºÑÐ¿Ð°ÐµÐ¼Ð¾ÑÑÐ¸.
Artin-Schelter regular algebras and categories
Creators: name: Martinez-Villa, Roberto
name: Solberg, Øyvind
Publisher: name: arXiv
Year: 2009
Subjects: subject: Rings and Algebras (math.RA)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 18A25, 18G20, 16W50, a6E65

description: Motivated by constructions in the representation theory of finite dimensional algebras we generalize the notion of Artin-Schelter regular algebras of dimension $n$ to algebras and categories to include Auslander algebras and a graded analogue for infinite representation type. A generalized Artin-Schelter regular algebra or a category of dimension $n$ is shown to have common properties with the classical Artin-Schelter regular algebras. In particular, when they admit a duality, then they satisfy Serre duality formulas and the $\Ext$-category of nice sets of simple objects of maximal projective dimension $n$ is a finite length Frobenius category.
description: 29 pages
title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ½Ð¸Ð²ÐµÑÑÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ ÑÐ°ÑÑÐ¸ÑÑÐµÐ¼Ð¾Ð³Ð¾ Web-Ð¿ÑÐ¸Ð»Ð¾Ð¶ÐµÐ½Ð¸Ñ Ð´Ð»Ñ ÑÐ°Ð±Ð¾ÑÑ Ñ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½ÑÐ¼Ð¸ ÑÐ¸ÑÑÐµÐ¼Ð°Ð¼Ð¸
title: Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ°Ñ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: ÐÐ¾Ð³Ð²Ð¸Ð½, Ð¡ÑÐµÐ¿Ð°Ð½
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: 2018
Subjects: ÐÐ½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½ÑÐµ ÑÐ¸ÑÑÐµÐ¼Ñ
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description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ ÑÐ¿Ð¾ÑÐ¾Ð±Ñ Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ñ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½ÑÑ ÑÐ¸ÑÑÐµÐ¼ Ð¿Ð¾Ð´Ð´ÐµÑÐ¶ÐºÐ¸ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ°. ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ ÑÑÑÐµÑÑÐ²ÑÑÑÐ¸Ðµ ÑÐ¿Ð¾ÑÐ¾Ð±Ñ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¸ÑÑÐµÐ¼, ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¸, Ð¾Ð±ÐµÑÐ¿ÐµÑÐ¸Ð²Ð°ÑÑÐ¸Ðµ Ð½Ð°Ð¸Ð»ÑÑÑÑÑ Ð°Ð´Ð°Ð¿ÑÐ¸Ð²Ð½Ð¾ÑÑÑ. ÐÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð° Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° ÑÐ¾Ð±ÑÑÐ²ÐµÐ½Ð½Ð°Ñ ÐºÐ¾Ð½ÑÐµÐ¿ÑÐ¸Ñ Ñ ÑÐºÐ»Ð¾Ð½Ð¾Ð¼ Ð½Ð° Ð°Ð´Ð°Ð¿ÑÐ¸Ð²Ð½Ð¾ÑÑÑ Ð¸ Ð»ÐµÐ³ÐºÐ¾ÑÑÑ ÑÐ°ÑÑÐ¸ÑÐµÐ½Ð¸Ñ ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾ÑÑÐ¸ ÑÐ¸ÑÑÐµÐ¼Ñ. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ²Ð¾Ð¹ÑÑÐ² Ð½Ð¾Ð²Ð¾Ð¹ ÐºÐ¾Ð½ÑÐµÐ¿ÑÐ¸Ð¸ Ð² ÑÑÐµÐ´Ðµ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ.
Environmental selenium volatilization is possibly conferred by promiscuous reactions of the sulfur metabolism
Creators: name: Liu, Ying
name: Schäffer, Andreas
name: Martinez, Mathieu
name: Lenz, Markus
Publisher: name: Elsevier
Year: 2023
Subjects: subject: 600 - Technik, Medizin, angewandte Wissenschaften

description: Selenium deficiency affects many million people worldwide and volatilization of biogenically methylated selenium species to the atmosphere may limit Se entering the food chain. However, there is very little systematic data on volatilization at nanomolar concentrations prevalent in pristine natural environments. Pseudomonas tolaasii cultures efficiently methylated Se at these concentrations. Nearly perfect linear correlations between the spiked Se concentrations and Dimethylselenide, Dimethyldiselenide, Dimethylselenylsulfide and 2-hydroxy-3-(methylselanyl)propanoic acid were observed up to 80 nM. The efficiency of methylation increased linearly with increasing initial Se concentration, arguing that the enzymes involved are not constitutive, but methylation proceeds promiscuously via pathways of S methylation. From the ratio of all methylated Se and S species, one can conclude that between 0.30% and 3.48% of atoms were Se promiscuously methylated at such low concentrations. At concentrations higher than 640 nM (∼50 μg/L) a steep increase in methylation and volatilization was observed, which suggested the induction of specific enzymes. Promiscuous methylation at low environmental concentrations calls into question that view that methylated Se in the atmosphere is a result of a purposeful Se metabolism serving detoxification. Rather, the concentrations of methylated Se in the atmosphere may be “coincidental” i.e., determined by the activity of S cycling microorganisms. Further, a steep increase in methylation efficiency when surpassing a certain threshold concentration (here ∼50 μg/L) calls into question that natural methylation can be estimated from high Se spikes in laboratory systems, yet highlights the possibility of using bacterial methylation as an effective remediation strategy for media higher concentrated in Se. © 2023 The Authors
Extracranial Four-Vessel Dissection with Reversible Cerebral Vasoconstriction Syndrome in a Habitual Cocaine User Presenting with Thunderclap Headache
Creators: name: Zeenat Qureshi Stroke Institutes
Publisher: name: Zenodo
Year: 2023

description: A four-vessel dissection involving both extracranial carotid and vertebral arteries is an uncommon occurrence more so when it is likely a consequence of cocaine abuse [1]. Reversible cerebral vasoconstriction syndrome (RCVS) is well documented with cocaine use [2], but its association with a four-vessel dissection has not been described.

This is a clinical picture of 36-year-old right-handed woman presenting with second episode within a week of a new onset thunderclap headache. Her CSF was normal except for three RBCs. Contrast-enhanced neck MRA showed a focal left extra-cranial internal carotid artery dissection [ Figure 1(A)], which was suspected to be the cause of her thunderclap headache along with diffuse narrowing of the distal small vessels on non-contrast head MRA. A diagnosis of RCVS was made, and treatment with verapamil and heparin anticoagulation was started for the dissection.
title: Lunar Tidal Effects in the Electrodynamics of the Low-Latitude Ionosphere
Creators: name: Tracy, Brian David
Publisher: name: Utah State University
Year: 2013

description: We used extensive measurements made by the Jicamarca Unattended Long-Term Investigations of the Ionosphere and Atmosphere (JULIA) and Incoherent Scatter Radar (ISR) systems at Jicamarca, Peru during geomagnetic quiet conditions to determine the climatologies of lunar tidal effects on equatorial vertical plasma drifts. We use, for the first time, the expectation maximization (EM) algorithm to derive the amplitudes and phases of the semimonthly and monthly lunar tidal perturbations. Our results indicate, as expected, lunar tidal effects can significantly modulate the equatorial plasma drifts. The local time and seasonal dependent phase progression has been studied in much more detail than previously and has shown to have significant variations from the average value. The semimonthly drift amplitudes are largest during December solstice and smallest during June solstice during the day, and almost season independent at night. The monthly lunar tidal amplitudes are season independent during the day, while nighttime monthly amplitudes are largest and smallest in December solstice and autumnal equinox, respectively. The monthly and semimonthly amplitudes decrease from early morning to afternoon and evening to morning with moderate to large increases near dusk and dawn. We also examined these perturbation drifts during periods of sudden stratospheric warmings (SSWs). Our results show, for the first time, the enhancements of the lunar semimonthly tidal effects associated with SSWs to occur at night, as well as during the day. Our results also indicate during SSWs, monthly tidal effects are not enhanced as strongly as the semimonthly effects.
title: The Chain-Link Fence Model: A Framework for Creating Security Procedures
Creators: name: Houghton, Robert F.
Publisher: name: Utah State University
Year: 2013

description: A long standing problem in information technology security is how to help reduce the security footprint. Many specific proposals exist to address specific problems in information technology security. Most information technology solutions need to be repeatable throughout the course of an information systems lifecycle. The Chain-Link Fence Model is a new model for creating and implementing information technology procedures. This model was validated by two different methods: the first being interviews with experts in the field of information technology and the second being four distinct case studies demonstrating the creation and implementation of information technology procedures. (169 pages)
Nicer, il cacciatore di pulsar
Creators: Elisa Nichelli
Publisher: name: Media Inaf
Year: 2017

Sebbene si conoscano ormai alcune migliaia di stelle di neutroni in rapida rotazione, chiamate anche pulsar, gli scienziati non conoscono in dettaglio ciò che accade al di sotto della loro superficie. Per studiare questi corpi ultra densi, dal primo giugno prossimo a bordo della Stazione Spaziale Internazionale avremo Nicer
Agile, un successo italiano
Creators: Patrizia Caraveo
Publisher: name: Media Inaf
Year: 2017

In 10 anni Agile, telescopio spaziale interamente made in Italy, ha fatto più di 50mila volte il giro della Terra e conseguito risultati scientifici fondamentali. Un successo che è anche frutto della competenza dell’industria italiana che ha dovuto affrontare e risolvere, insieme ai soliti problemi tecnici, anche delicati problemi politici, diplomatici e commerciali. Su Media Inaf, con il consenso dell’autrice, vi riproponiamo l’articolo di Patrizia Caraveo pubblicato domenica scorsa sul Sole24Ore
title: Ð¢ÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ Ð°ÑÐ¿ÐµÐºÑÑ ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð° Ð¶Ð¸Ð»Ð¾Ð³Ð¾ Ð´Ð¾Ð¼Ð° Ð¸Ð· Ð¼Ð¾Ð½Ð¾Ð»Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð¶ÐµÐ»ÐµÐ·Ð¾Ð±ÐµÑÐ¾Ð½Ð°
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¾Ð³Ð´Ð°Ð½Ð¾Ð², ÐÐ°ÐºÑÐ¸Ð¼
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: 2016
Subjects: ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð¾
Ð¶Ð¸Ð»Ð¾Ð¹ Ð´Ð¾Ð¼
Ð¶ÐµÐ»ÐµÐ·Ð¾Ð±ÐµÑÐ¾Ð½
ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ñ Ð²Ð¾Ð·Ð²ÐµÐ´ÐµÐ½Ð¸Ñ

description: ÐÐ¾Ð½Ð¾Ð»Ð¸ÑÐ½Ð¾Ðµ ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð¾ Ð¸Ð¼ÐµÐµÑ ÑÑÐ´ ÑÑÑÐµÑÑÐ²ÐµÐ½Ð½ÑÑ Ð¿ÑÐµÐ¸Ð¼ÑÑÐµÑÑÐ² Ð¿Ð¾ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ñ ÑÐ¾ ÑÐ±Ð¾ÑÐ½ÑÐ¼Ð¸ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸ÑÐ¼Ð¸. Ð¢Ð°Ðº, Ð·Ð°ÑÑÐ°ÑÑ Ð½Ð° Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½ÑÑ Ð±Ð°Ð·Ñ Ð¼Ð¾Ð½Ð¾Ð»Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð¶ÐµÐ»ÐµÐ·Ð¾Ð±ÐµÑÐ¾Ð½Ð° Ð½Ð° 40-45% Ð¼ÐµÐ½ÑÑÐµ, Ð´Ð¾ 20% ÑÐ¾ÐºÑÐ°ÑÐ°ÐµÑÑÑ ÑÐ°ÑÑÐ¾Ð´ Ð¼ÐµÑÐ°Ð»Ð»Ð°. ÐÐ¾ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ñ Ñ ÐºÐ¸ÑÐ¿Ð¸ÑÐ½ÑÐ¼Ð¸ Ð·Ð´Ð°Ð½Ð¸ÑÐ¼Ð¸ Ð·Ð°ÑÑÐ°ÑÑ ÑÑÑÐ´Ð° Ð½Ð° 25- 30% Ð¼ÐµÐ½ÑÑÐµ, Ð° Ð¿ÑÐ¾Ð´Ð¾Ð»Ð¶Ð¸ÑÐµÐ»ÑÐ½Ð¾ÑÑÑ ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð° ÑÐ¾ÐºÑÐ°ÑÐ°ÐµÑÑÑ Ð½Ð° 10%. ÐÐ¾Ð½Ð¾Ð»Ð¸ÑÐ½ÑÐ¹ Ð±ÐµÑÐ¾Ð½ ÑÐ´Ð¾Ð±ÐµÐ½ ÐµÑÑ Ð¸ ÑÐµÐ¼, ÑÑÐ¾ Ð¸Ð· Ð½ÐµÐ³Ð¾ Ð¼Ð¾Ð¶Ð½Ð¾ Ð²Ð¾Ð·Ð²Ð¾Ð´Ð¸ÑÑ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸ Ð»ÑÐ±Ð¾Ð¹ ÐºÐ¾Ð½ÑÐ¸Ð³ÑÑÐ°ÑÐ¸Ð¸ Ñ ÑÐ¸ÑÐ¾ÐºÐ¸Ð¼ ÑÐ¿ÐµÐºÑÑÐ¾Ð¼ Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÐ½Ð¾Â­Ð¿Ð»Ð°Ð½Ð¸ÑÐ¾Ð²Ð¾ÑÐ½ÑÑ ÑÐµÑÐµÐ½Ð¸Ð¹. ÐÐ´Ð°Ð½Ð¸Ñ Ð¸Ð· Ð¼Ð¾Ð½Ð¾Ð»Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð±ÐµÑÐ¾Ð½Ð° Ð±Ð¾Ð»ÐµÐµ Ð½Ð°Ð´ÑÐ¶Ð½Ñ Ð¸ Ð´Ð¾Ð»Ð³Ð¾Ð²ÐµÑÐ½Ñ Ð¿ÑÐ¸ ÑÐµÐ¹ÑÐ¼Ð¸ÑÐµÑÐºÐ¸Ñ Ð¸ Ð´ÑÑÐ³Ð¸Ñ Ð½ÐµÐ±Ð»Ð°Ð³Ð¾Ð¿ÑÐ¸ÑÑÐ½ÑÑ Ð¿ÑÐ¸ÑÐ¾Ð´Ð½ÑÑ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸ÑÑ. Ð ÑÐ²ÑÐ·Ð¸ Ñ ÑÑÐ¸Ð¼ Ð¸, ÑÑÐ¸ÑÑÐ²Ð°Ñ ÑÐµÐ½Ð´ÐµÐ½ÑÐ¸Ð¸, ÑÐ²Ð¸Ð´ÐµÑÐµÐ»ÑÑÑÐ²ÑÑÑÐ¸Ðµ Ð¾ Ð´Ð°Ð»ÑÐ½ÐµÐ¹ÑÐµÐ¼ ÑÐ²ÐµÐ»Ð¸ÑÐµÐ½Ð¸Ð¸ Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð¼Ð¾Ð½Ð¾Ð»Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð±ÐµÑÐ¾Ð½Ð° Ð¸ Ð¶ÐµÐ»ÐµÐ·Ð¾Ð±ÐµÑÐ¾Ð½Ð° ÐºÐ°Ðº Ð½Ð°Ð¸Ð±Ð¾Ð»ÐµÐµ Ð¼Ð°ÑÑÐ¾Ð²Ð¾Ð³Ð¾ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð°, Ð¾ÑÐ²ÐµÑÐ°ÑÑÐµÐ³Ð¾ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½ÑÐ¼ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸ÑÐ¼ Ð¸ ÐºÑÐ¸ÑÐµÑÐ¸ÑÐ¼ Ð¿ÐµÑÑÐ¿ÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ñ Ð¸ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ñ ÑÐµÑÐµÐ½Ð¸Ð¹, Ð¾ÑÐ¾Ð±ÑÑ Ð°ÐºÑÑÐ°Ð»ÑÐ½Ð¾ÑÑÑ Ð¿ÑÐ¸Ð¾Ð±ÑÐµÑÐ°ÐµÑ Ð¸Ð½ÑÐµÐ½ÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð¼Ð¾Ð½Ð¾Ð»Ð¸ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð°, ÑÐ¿Ð¾ÑÐ¾Ð±ÑÑÐ²ÑÑÑÐ°Ñ ÑÐ¾ÐºÑÐ°ÑÐµÐ½Ð¸Ñ ÑÑÐ¾ÐºÐ¾Ð² Ð²Ð¾Ð·Ð²ÐµÐ´ÐµÐ½Ð¸Ñ Ð¾Ð±ÑÐµÐºÑÐ¾Ð².
Elisa Bortolas vince il premio “Stefano Magini”
Creators: Francesca Brunetti
Publisher: name: Media Inaf
Year: 2017

Istituito in onore di Stefano Magini (1957-2014), attivo collaboratore dell’Osservatorio Inaf di Arcetri, e quest'anno alla sua prima edizione, verrà consegnato martedì 30 maggio il premio da 1250 euro alla miglior tesi di laurea magistrale con argomento di astrofisicao di tecnologie per l’astrofisica
Correlative Capacity of Composite Quantum States
Creators: name: Partovi, M. Hossein
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We characterize the optimal correlative capacity of entangled, separable, and classically correlated states. Introducing the notions of the infimum and supremum within majorization theory, we construct the least disordered separable state compatible with a set of marginals. The maximum separable correlation information supportable by the marginals of a multi-qubit pure state is shown to be an LOCC monotone. The least disordered composite of a pair of qubits is found for the above classes, with classically correlated states defined as diagonal in the product of marginal bases.
description: 4 pages, 1 figure
Logarithmically slow onset of synchronization
Creators: name: Benkö, Gil
name: Jensen, Henrik Jeldtoft
Publisher: name: arXiv
Year: 2009
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: FOS: Physical sciences

description: Here we investigate specifically the transient of a synchronizing system, considering synchronization as a relaxation phenomenon. The stepwise establishment of synchronization is studied in the system of dynamically coupled maps introduced by Ito & Kaneko (Phys. Rev. Lett., 88, 028701, 2001 & Phys. Rev. E, 67, 046226, 2003), where the plasticity of dynamical couplings might be relevant in the context of neuroscience. We show the occurrence of logarithmically slow dynamics in the transient of a fully deterministic dynamical system.
description: 12 pages, 6 figures; additional content
L’interculturalità parte dalla Luna
Creators: Caterina Boccato
Publisher: name: Media Inaf
Year: 2017

Ieri sera, venerdì 26 maggio, l’Istituto Nazionale di Astrofisica ha ospitato, presso l’Osservatorio astronomico di Padova, 18 Imam afferenti a diverse associazioni islamiche del Nord-Est per osservare, con l’ausilio di binocoli e telescopi, il manifestarsi della primissima falce di Luna crescente che decreta l’inizio di uno dei mesi più importanti per i musulmani, il Ramadan.
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ»ÐµÐºÑÑÐ¾Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ð³Ð¾ ÑÐµÐ»Ðµ Ð²ÑÐµÐ¼ÐµÐ½Ð¸ Ñ ÐºÐ¾Ð¼Ð¿ÐµÐ½ÑÐ°ÑÐ¸ÐµÐ¹ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÐ½Ð¾Ð¹ Ð¿Ð¾Ð³ÑÐµÑÐ½Ð¾ÑÑÐ¸
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¾ÑÑÑÐµÐ², ÐÐ°Ð´Ð¸Ð¼
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: 2016
Subjects: ÑÐ»ÐµÐºÑÑÐ¾Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ðµ ÑÐµÐ»Ðµ
ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÐ½Ð°Ñ Ð¿Ð¾Ð³ÑÐµÑÐ½Ð¾ÑÑÑ
Ð²ÑÐ´ÐµÑÐ¶ÐºÐ° Ð²ÑÐµÐ¼ÐµÐ½Ð¸

description: ÐÑÐ¾Ð²ÐµÐ´ÑÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÑÐµÑÑÐ²ÑÑÑÐµÐ¹ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸, Ð¸Ð·ÑÑÐµÐ½Ð° ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ñ ÑÐ»ÐµÐºÑÑÐ¾Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ð³Ð¾ ÑÐµÐ»Ðµ Ð²ÑÐµÐ¼ÐµÐ½Ð¸ Ñ Ð²ÑÐ´ÐµÑÐ¶ÐºÐ¾Ð¹ Ð²ÑÐµÐ¼ÐµÐ½Ð¸. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ñ ÑÐµÐ»Ðµ Ð²ÑÐµÐ¼ÐµÐ½Ð¸ Ñ ÐºÐ¾Ð¼Ð¿ÐµÐ½ÑÐ°ÑÐ¸ÐµÐ¹ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÐ½Ð¾Ð¹ Ð¿Ð¾Ð³ÑÐµÑÐ½Ð¾ÑÑÐ¸. Ð Ð°ÑÑÑÐ¸ÑÐ°Ð½Ñ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð°, Ð²ÑÐ´ÐµÑÐ¶ÐºÐ° Ð²ÑÐµÐ¼ÐµÐ½Ð¸, ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÐ½Ð°Ñ Ð¿Ð¾Ð³ÑÐµÑÐ½Ð¾ÑÑÑ Ð¿Ð¾ Ð²ÑÐ´ÐµÑÐ¶ÐºÐµ Ð²ÑÐµÐ¼ÐµÐ½Ð¸, ÐºÐ¾Ð¼Ð¿ÐµÐ½ÑÐ°ÑÐ¾Ñ ÑÐµÐ¼Ð¿ÐµÑÐ°ÑÑÑÐ½Ð¾Ð¹ Ð¿Ð¾Ð³ÑÐµÑÐ½Ð¾ÑÑÐ¸ Ð¿Ð¾ Ð²ÑÐ´ÐµÑÐ¶ÐºÐµ Ð²ÑÐµÐ¼ÐµÐ½Ð¸ Ð² Ð²Ð¸Ð´Ðµ Ð±Ð¸Ð¼ÐµÑÐ°Ð»Ð»Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿Ð»Ð°ÑÑÐ¸Ð½. ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð° Ð¿ÑÐ¾Ð²ÐµÑÐºÐ° ÑÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ°ÑÑÐµÑÐ°.
„Heimat“ neu denken? „Heimat“ als umkämpfter Begriff im österreichischen Bundespräsidentschaftswahlkampf 2016
Creators: name: Hermann, Andrea Tony
Publisher: name: Österreichische Zeitschrift für Politikwissenschaft
Year: 2020

description: Der Begriff „Heimat“ wurde in Österreich lange insbesondere durch rechte und konservative PolitikerInnen besetzt. Mittlerweile ist der Begriff zunehmend umkämpft, da PolitikerInnen anderer Parteien versuchen, ihn mit alternativen Bedeutungen zu füllen. Vor diesem Hintergrund werden die Deutungsangebote für „Heimat“ im österreichischen Bundespräsidentschaftswahlkampf 2016 analysiert. Der Artikel greift hierfür auf diskurstheoretische Überlegungen und insbesondere Laclaus Konzept der „leeren Signifikanten“ zurück. Er rekonstruiert die Heimatverständnisse der Stichwahlkandidaten Van der Bellen und Hofer entlang ihrer räumlichen, zeitlichen, thematischen, normativen, emotionalen und symbolischen Bezüge sowie der dadurch bereitgestellten Identitätsangebote. Abschließend diskutiert der Artikel die Erkenntnisse in Bezug auf die Forschungsliteratur und mögliche (wahlkampf-)strategische Erwägungen.
description: Österreichische Zeitschrift für Politikwissenschaft, Bd. 48 Nr. 4 (2019): Offenes Heft
title: Interspecific interactions between Penstemon palmeri and shrubs in the arid shrublands of the Spring Mountains, Nevada
Creators: name: Poulos, Jesse M
Publisher: name: Utah State University
Year: 2013

description: A project involving shrub removal was undertaken by the United States Forest Service in the Spring Mountains National Recreation Area (SMNRA) to reduce accumulated woody fuels, which can pose risks to human communities. This research focuses on the interactions between shrubs and the perennial forb Palmer's penstemon (Penstemon palmeri), one of many nectar sources for the endemic Spring Mountains Acastus Checkerspot Butterfly (Chlosyne acastus ssp robusta). Initial observations revealed that P. palmeri (`penstemon') seemed to grow almost exclusively under shrubs. Such spatial associations are often indicative of a history of positive interactions between plants, and led to the research presented here. These studies investigate and discuss the interactions between this penstemon and shrubs in the arid shrublands of the SMNRA. Spatial patterns between populations of penstemon and shrubs were measured during November 2008-May 2011, and the consequences of shrub-association for individual penstemon emergence, survival, growth, and reproduction were documented (Chapter 2). The results suggest that although shrubs reduced penstemon emergence, they increased seedling survival (a seed-seedling conflict) resulting in a strong shift toward association between shrubs and penstemon over time. Further, while no differences in growth were detected between microhabitats, the results suggest that shrubs inhibited P. palmeri flowering but improved the successful maturation of fruits when flowering occurred. The mechanisms driving these patterns were elusive, but seed-sowing and seedling transplant experiments suggested that shrub soils, rather than their canopies, alter the nature of seed-seedling conflicts in a way that may promote seed-bank persistence in penstemon populations (Chapter 3). To provide a detailed description of the reproductive response of penstemon to shrubs, structural equation modeling was used to describe the importance of shrubs for penstemon seed production (Chapter 4). The results suggest that competition with shrubs reduced penstemon seed production, but that shrubs simultaneously facilitated penstemon water balance and altered the foraging behavior of its pollinators, indirectly increasing seed production. I conclude by discussing the importance of these studies, and studies of plant interactions in general, for helping land managers balance the objectives of fuel load reduction with protecting desirable species (Chapter 5).
Extremely Large Telescope: il futuro è adesso
Creators: Francesca Aloisio
Publisher: name: Media Inaf
Year: 2017

Posata oggi la prima pietra di quello che è stato definito il telescopio del futuro: Elt, l’Extremely Large Telescope. Un telescopio che parla italiano: il consorzio Ace (Astaldi, Cimolai ed Eie Group) ha infatti vinto l'appalto per la costruzione della struttura principale del telescopio e della sua imponente cupola, mentre l’Inaf ha in carico la realizzazione della strumentazione d’avanguardia che rappresenta il cuore scientifico dell’Elt
title: ÐÐ¾ÑÑÐºÐ¸Ðµ Ð²Ð¾Ð»Ð½Ñ Ð½Ð° Ð°ÐºÐ²Ð°ÑÐ¾ÑÐ¸ÑÑ Ð¸ Ñ ÑÐ¾Ð¾ÑÑÐ¶ÐµÐ½Ð¸Ð¹ Ð²ÐµÑÑÐ¸ÐºÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ ÑÐ¸Ð¿Ð°
Creators: name: ÐÐ°Ð³ÑÑÐ´ÑÐºÐ°Ñ, ÐÐ°ÑÐ°Ð»Ð¸Ñ
Publisher: name: ÐÐ·Ð´-Ð²Ð¾ ÐÐ¾Ð»Ð¸ÑÐµÑÐ½. ÑÐ½-ÑÐ°
Year: 2006
Subjects: ÐÐ¾Ð»Ð½Ñ Ð¼Ð¾ÑÑÐºÐ¸Ðµ
ÐÐ¸Ð´ÑÐ¾ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐ¾Ð¾ÑÑÐ¶ÐµÐ½Ð¸Ñ

description: Ð Ð¼Ð¾Ð½Ð¾Ð³ÑÐ°ÑÐ¸Ð¸ Ð²Ð¿ÐµÑÐ²ÑÐµ Ð´Ð»Ñ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð´Ð¸ÑÑÐ°ÐºÑÐ¸Ð¸ Ð²Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¾ Ð¸ Ð¾ÑÑÑÐµÑÑÐ²Ð»ÐµÐ½Ð¾ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¼ÐµÑÐ¾Ð´Ð° Ð¿Ð°ÑÐ°Ð±Ð¾Ð»Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¸Ð±Ð»Ð¸Ð¶ÐµÐ½Ð¸Ñ. Ð­ÑÐ¾ Ð¿Ð¾Ð·Ð²Ð¾Ð»Ð¸Ð»Ð¾ Ð¿Ð¾Ð»ÑÑÐ¸ÑÑ Ð°Ð½Ð°Ð»Ð¸ÑÐ¸ÑÐµÑÐºÐ¸Ðµ, Ð° Ð·Ð°ÑÐµÐ¼ ÑÐ¸ÑÐ»ÐµÐ½Ð½ÑÐµ ÑÐµÑÐµÐ½Ð¸Ñ Ð¼Ð½Ð¾Ð³Ð¸Ñ Ð¿ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¸ Ð²Ð°Ð¶Ð½ÑÑ Ð·Ð°Ð´Ð°Ñ Ð¼Ð¾ÑÑÐºÐ¾Ð¹ Ð³Ð¸Ð´ÑÐ¾ÑÐµÑÐ½Ð¸ÐºÐ¸, Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾ÑÐ¾ÑÑÑ Ð´Ð¾ ÑÑÐ¾Ð³Ð¾ Ð±ÑÐ»Ð¸ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ñ Ð»Ð¸ÑÑ Ð¿ÑÑÐµÐ¼ ÑÐ¸Ð·Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ. ÐÐ¿ÐµÑÐ²ÑÐµ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¾ ÑÐµÑÐµÐ½Ð¸Ðµ Ð·Ð°Ð´Ð°ÑÐ¸ Ð´Ð¸ÑÑÐ°ÐºÑÐ¸Ð¸, Ð¿Ð¾Ð·Ð²Ð¾Ð»ÑÑÑÐµÐµ Ð¿Ð¾Ð»ÑÑÐ°ÑÑ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¿ÑÐ¸ Ð»ÑÐ±ÑÑ Ð·Ð½Ð°ÑÐµÐ½Ð¸ÑÑ ÐºÑÑÑÐ¸Ð·Ð½Ñ Ð¸ÑÑÐ¾Ð´Ð½Ð¾Ð³Ð¾ Ð²Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ, Ñ. Ðµ. Ñ ÑÑÐµÑÐ¾Ð¼ Ð½ÐµÐ»Ð¸Ð½ÐµÐ¹Ð½Ð¾ÑÑÐ¸. Ð£ÑÐ¾ÑÐ½ÐµÐ½Ð¾ Ð¸ Ð´Ð¾Ð²ÐµÐ´ÐµÐ½Ð¾ Ð´Ð¾ Ð¸Ð½Ð¶ÐµÐ½ÐµÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð½ÐµÐ»Ð¸Ð½ÐµÐ¹Ð½Ð¾Ðµ ÑÐµÑÐµÐ½Ð¸Ðµ (Ð½Ð° ÑÑÐ¾Ð²Ð½Ðµ ÑÑÐµÑÑÐµÐ³Ð¾ Ð¿ÑÐ¸Ð±Ð»Ð¸Ð¶ÐµÐ½Ð¸Ñ) Ð·Ð°Ð´Ð°ÑÐ¸ Ð¾ ÑÑÐ¾ÑÑÐ¸Ñ Ð²Ð¾Ð»Ð½Ð°Ñ Ð¿ÐµÑÐµÐ´ ÑÐ¾Ð¾ÑÑÐ¶ÐµÐ½Ð¸ÑÐ¼Ð¸ Ð²ÐµÑÑÐ¸ÐºÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐ¸Ð»Ñ. Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¿Ð¾Ð´ÑÐ²ÐµÑÐ¶Ð´ÐµÐ½Ñ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½ÑÐ¼Ð¸ Ð¸ Ð½Ð°ÑÑÑÐ½ÑÐ¼Ð¸ Ð´Ð°Ð½Ð½ÑÐ¼Ð¸, Ð¿Ð¾Ð»Ð¾Ð¶ÐµÐ½Ñ Ð² Ð¾ÑÐ½Ð¾Ð²Ñ ÑÑÐ´Ð° ÑÐ°ÑÑÐµÑÐ½ÑÑ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² Ð½Ð¾ÑÐ¼Ð°ÑÐ¸Ð²Ð½ÑÑ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ¾Ð² Ð¡ÐÐ¸Ð II-57-75, Ð¡ÐÐ¸Ð 2.04.06-82, Ð¡ÐÐ¸Ð 2.04.06-82* Ð¸ Ð±ÑÐ»Ð¸ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ñ Ð¿ÑÐ¸ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸ÑÑ Ð¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð¼Ð½Ð¾Ð³Ð¸Ñ Ð¾ÑÐµÑÐµÑÑÐ²ÐµÐ½Ð½ÑÑ Ð¸ Ð·Ð°ÑÑÐ±ÐµÐ¶Ð½ÑÑ Ð¿Ð¾ÑÑÐ¾Ð². ÐÐ»Ñ Ð¿ÑÐµÐ´Ð²Ð°ÑÐ¸ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ Ð¸Ð»Ð¸ Ð¾ÑÐµÐ½Ð¾ÑÐ½Ð¾Ð³Ð¾ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸Ðº ÑÑÐ¾ÑÑÐ¸Ñ Ð²Ð¾Ð»Ð½ Ð¸ Ð²ÑÑÐ¾Ñ Ð´Ð¸ÑÑÐ°Ð³Ð¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÑ Ð²Ð¾Ð»Ð½ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð¸Ð½Ð¶ÐµÐ½ÐµÑÐ½ÑÐµ Ð¼ÐµÑÐ¾Ð´Ð¸ÐºÐ¸ Ð¸ ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²ÑÑÑÐ¸Ðµ Ð³ÑÐ°ÑÐ¸ÐºÐ¸-Ð½Ð¾Ð¼Ð¾Ð³ÑÐ°Ð¼Ð¼Ñ. Ð Ð°ÑÑÑÐ¸ÑÐ°Ð½Ð° Ð½Ð° Ð¼Ð°Ð³Ð¸ÑÑÑÐ¾Ð², Ð°ÑÐ¿Ð¸ÑÐ°Ð½ÑÐ¾Ð² Ð¸ ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸ÑÑÐ¾Ð² Ð¿Ð¾ Ð¼Ð¾ÑÑÐºÐ¾Ð¹ Ð³Ð¸Ð´ÑÐ¾ÑÐµÑÐ½Ð¸ÐºÐµ, Ð·Ð°Ð½Ð¸Ð¼Ð°ÑÑÐ¸ÑÑÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸ÑÐ¼Ð¸ Ð¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸ÐµÐ¼ Ð¿Ð¾ÑÑÐ¾Ð² Ð¸ Ð¼Ð¾ÑÑÐºÐ¸Ñ Ð³Ð¸Ð´ÑÐ¾ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ñ ÑÐ¾Ð¾ÑÑÐ¶ÐµÐ½Ð¸Ð¹.
description: ÐÐµÑÐ°ÑÐ°ÐµÑÑÑ Ð¿Ð¾ ÑÐµÑÐµÐ½Ð¸Ñ ÑÐµÐ´Ð°ÐºÑÐ¸Ð¾Ð½Ð½Ð¾-Ð¸Ð·Ð´Ð°ÑÐµÐ»ÑÑÐºÐ¾Ð³Ð¾ ÑÐ¾Ð²ÐµÑÐ° Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¾Ð³Ð¾ Ð³Ð¾ÑÑÐ´Ð°ÑÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑÐ°.
Evolution of Low- and Intermediate-Mass Stars with [Fe/H] <= -2.5
Creators: name: Suda, Takuma
name: Fujimoto, Masayuki Y.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present extensive sets of stellar models for 0.8-9.0Msun in mass and -5 <= [Fe/H] <= -2 and Z = 0 in metallicity. The present work focuses on the evolutionary characteristics of hydrogen mixing into the He-flash convective zones during the core and shell He flashes which occurs for the models with [Fe/H]
description: 19 pages, 12 figures, accepted by MNRAS
title: Predictors of Physical Activity Among Persons With Multiple Sclerosis
Creators: name: Bennett, Emily Jean
Publisher: name: Utah State University
Year: 2013

description: Multiple Sclerosis is a chronic neurological disease whose prevalence within the world's population is increasing. Symptoms of this disease are fatigue, loss of coordination, numbness and tingling, paralysis, and blindness. Currently there is no cure for the disease and, with its disabling variety and severity of symptoms, it is important to look for possibilities that could help slow its progression.
Physical activity is one health behavior that promises to slow the progression of the MS among persons afflicted with this disease. Research has revealed that an exercise program improves several measures of well-being, reduces fatigue, and improves strength. While physical activity has been suggested as a management tool, those with MS demonstrate lower levels of physical activity compared to those without MS in the U.S. population. This thesis investigates what influences individuals with MS to participate in physical activity. Its purpose is to look into the possibility that demographic, social hierarchy, social support, and psycho-social/personality characteristics may help predict physical activity regimens among persons with MS. Isolating the determinants of voluntary exercise in the MS subpopulation would enable clinicians and the public health community to develop effective policies and interventions that promote physical activity.
Cosa c’è in un nome?
Creators: Angela Iovino
Publisher: name: Media Inaf
Year: 2017

Uno studio su 200mila articoli scientifici pubblicati, dal 1950 a oggi, nelle più prestigiose riviste astronomiche evidenzia un pregiudizio di genere: tra gli articoli citati, c’è un sistematico 10 per cento in più di articoli scritti da primi autori uomini rispetto a quelli scritti da prime autrici donne
Inclusive education as an effective tool for the social integration of children with special needs into society
Creators: name: Reshetnikov, Ivan
Publisher: name: figshare
Year: 2022
Subjects: subject: Sociology
subject: FOS: Sociology
subject: 160799 Social Work not elsewhere classified

description: Thus, the analysis of the theoretical base, as well as the experience accumulated in our country and abroad, shows that inclusive education is an effective way towards the social integration of children with special needs into society. And I would like to express the hope that the work carried out in this direction will be further continued and will constantly develop and improve every year, involving more and more members of the society in the protection and full support of children with special needs.
title: Ð¤Ð¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾Ðµ Ð¿ÑÐ°Ð²Ð¾
title: ÑÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ
titleType: Subtitle
Creators: name: ÐÐ¾ÑÐ¾ÑÐ¾Ð², ÐÐ¼Ð¸ÑÑÐ¸Ð¹
name: ÐÐ¾ÑÐ¾ÑÐ¾Ð²Ð°, ÐÐ½Ð½Ð°
Publisher: name: Ð¡ÐÐ±ÐÐ¢Ð­Ð£
Year: 2015
Subjects: ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾Ðµ Ð¿ÑÐ°Ð²Ð¾
ÑÑÐµÐ±Ð½Ð¸ÐºÐ¸ Ð¸ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ñ Ð´Ð»Ñ Ð²ÑÐ·Ð¾Ð²

description: Ð ÑÑÐµÐ±Ð½Ð¾Ð¼ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ð¸ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÑÑ Ð²Ð¾Ð¿ÑÐ¾ÑÑ, Ð¸Ð·ÑÑÐ°ÐµÐ¼ÑÐµ Ð´Ð¸ÑÑÐ¸Ð¿Ð»Ð¸Ð½Ð¾Ð¹ Â«Ð¤Ð¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾Ðµ Ð¿ÑÐ°Ð²Ð¾Â». ÐÑÐ¾Ð±Ð¾Ðµ Ð²Ð½Ð¸Ð¼Ð°Ð½Ð¸Ðµ ÑÐ´ÐµÐ»ÑÐµÑÑÑ Ð¸Ð·ÑÑÐµÐ½Ð¸Ñ Ð¾Ð±ÑÐ¸Ñ Ð¿Ð¾Ð»Ð¾Ð¶ÐµÐ½Ð¸Ð¹ Ð±ÑÐ´Ð¶ÐµÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¸ Ð±ÑÐ´Ð¶ÐµÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð Ð¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð¹ ÑÐµÐ´ÐµÑÐ°ÑÐ¸Ð¸, Ð¿ÑÐ°Ð²Ð¾Ð²Ð¾Ð³Ð¾ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾Ð³Ð¾ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ Ð² Ð Ð¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð¹ Ð¤ÐµÐ´ÐµÑÐ°ÑÐ¸Ð¸. Ð ÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð¾Ð²Ð°Ð½Ð¾ ÑÑÑÐ´ÐµÐ½ÑÐ°Ð¼, Ð¸Ð·ÑÑÐ°ÑÑÐ¸Ð¼ Ð¤Ð¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾Ðµ Ð¿ÑÐ°Ð²Ð¾, Ð¿ÑÐµÐ¿Ð¾Ð´Ð°Ð²Ð°ÑÐµÐ»ÑÐ¼ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ Ð²ÑÐ·Ð¾Ð².
A model of acceleration of Anomalous Cosmic Rays by Reconnection in the Heliosheath
Creators: name: Lazarian, A.
name: Opher, M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We discuss a model of cosmic ray acceleration that accounts for the observations of anomalous cosmic rays by Voyager 1 and 2. The model appeals to fast magnetic reconnection rather than shocks as the driver of acceleration. The ultimate source of energy is associated with magnetic field reversals that occur in the heliosheath. It is expected that the magnetic field reversals will occur throughout the heliosheath, but especially near the heliopause where the flows slows down and diverge in respect to the interstellar wind and also in the boundary sector-in the heliospheric current sheet. While the First Order Fermi acceleration theory within reconnection layers is in its infancy, the available predictions do not contradict the available data on anomalous cosmic ray spectra measured by the spacecrafts. We argue that the Voyager data can be one of the first pieces of evidence favoring the acceleration within regions of fast magnetic reconnection, which we argue is a widely spread astrophysical process.
description: 16 pages, 6 figures, ApJ accepted, explanations and references added
Epic fail: da stella a buco nero, ma senza il botto
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2017

Nella galassia Ngc 6946, a 22 milioni di anni luce da noi, una stella da 25 masse solari è collassata in buco nero senza prima esplodere come supernova. Ricostruito grazie ai telescopi Lbt, Hubble e Spitzer, si tratta d’un fenomeno mai osservato prima, e spiegherebbe perché ci sono meno supernove del previsto
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ñ 10 ÐºÐ 3150Ð
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐµÑÐµÐ²ÑÐ½ÐºÐ¸Ð½, ÐÐ°Ð²ÐµÐ»
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: 2016
Subjects: ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ð¸
Ð¿Ð»Ð°ÑÑÐ¸Ð½ÑÐ°ÑÑÐµ ÐºÐ¾Ð½ÑÐ°ÐºÑÑ
ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ½ÑÐµ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»Ð¸ÑÐµÐ»ÑÐ½ÑÐµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°
disconnector
lamellar contact
Ñomplete switching center

description: Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÑÑÐµÑÑÐ²ÑÑÑÐ¸Ðµ Ð² Ð½Ð°ÑÑÐ¾ÑÑÐµÐµ Ð²ÑÐµÐ¼Ñ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ð¸ ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ð¸. Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð° Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¿Ð»Ð°ÑÑÐ¸Ð½ÑÐ°ÑÐ¾Ð³Ð¾ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ° Ð² ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ðµ Ð½Ð° 10ÐºÐ, 3,15ÐºÐ. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½Ñ ÑÐ°ÑÑÐµÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ñ. Ð¡Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð° ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ñ ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ñ Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð¿Ð»Ð°ÑÑÐ¸Ð½ÑÐ°ÑÐ¾Ð³Ð¾ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ°. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ°Ð±Ð¾ÑÑ ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ñ, ÐºÐ°Ðº ÑÐ°ÑÑÐ¸ ÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°, Ð² ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ð¸ Ñ ÑÑÑÐµÑÑÐ²ÑÑÑÐ¸Ð¼Ð¸. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÐ¸ÑÐ»ÐµÐ½Ð½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ°Ð±Ð¾ÑÑ ÑÐ°Ð·ÑÐµÐ´Ð¸Ð½Ð¸ÑÐµÐ»Ñ Ð² ÑÐµÐ¶Ð¸Ð¼Ð°Ñ Ð½Ð¾Ð¼Ð¸Ð½Ð°Ð»ÑÐ½Ð¾Ð³Ð¾ ÑÐ¾ÐºÐ° Ð¸ ÑÐ¾ÐºÐ° ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ.
description: Disconnectors that exist at present time are considered. The possibility of lamellar contacts using in the disconnectors 10kV; 3,15kA is considered. The disconnector design based on the lamellar contact is developed. The disconnector works as part of the switchgear, compared with existing is investigated. The disconnector work at nominal and short circuit mode was analyzed numerically.
title: Late Prehistoric Technology, Quartzite Procurement, and Land Use in the Upper Gunnison Basin, Colorado: View from Site 5GN1.2
Creators: name: Peart, Jonathan Mitchell
Publisher: name: Utah State University
Year: 2013

description: This thesis presents the results from archaeological test excavations at site 5GN1.2. The focus of this research is to evaluate Stiger's Late Prehistoric settlement-subsistence hypothesis. According to this hypothesis, post-3000 B.P. occupations of the Upper Gunnison Basin were limited to logistically organized big-game hunting forays originating from residential camps located outside of the basin. Since Stiger's model is based on Binford's forager-collector continuum model, archaeological test implications of his hypothesis include hunter-gatherer settlement mobility, site types, feature types, artifact assemblage characteristics, and the organization of lithic technology.
Test excavations at 5GN1.2 revealed intact archaeological deposits reflecting aboriginal occupation during the Late Prehistoric between about 3000 and 1300 B.P. Late Prehistoric features include four hearths associated with abundant debitage, small-game faunal remains, burnt seeds, and lithic tools. Identified lithic tools include ground stone, projectile point fragments, cores, and bifaces. Individual flake attribute analysis of the debitage assemblage provides evidence lithic reduction activities were dominated by bifacial reduction of local and non-local raw materials.
Archaeological evidence rules out site 5GN1.2 as a Late Prehistoric logistical big-game hunting site. Site 5GN1.2 contains all the hallmarks of a residential base camp, including constructed hearths, rock art, evidence of plant resource processing, small-game procurement, comparatively high tool diversity, high proportion of locally available tool-stone, late-stage tool manufacture, and tool maintenance debitage. Site 5GN1.2 likely served as a short-term residential base camp occupied by whole family groups during the Late Prehistoric.
The Late Prehistoric occupations of site 5GN1.2 represent a more diverse settlement-subsistence adaptation than envisioned by Stiger's culture history. Some hunter-gatherers may have occupied the UGB on long-range logistical big-game hunting forays, but at 5GN1.2 this is simply not the case. This lithic technology research project represents the first published comprehensive debitage analysis of an archaeological component at 5GN1.2 and 5GN1. These results and data can serve as a database for later archaeological research within the UGB.