cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Betelgeuse si avvicina alla Terra
Creators: Maura Sandri
Publisher: name: Media Inaf
Year: 2020

Betelgeuse, la celebre supergigante rossa della costellazione di Orione, è più piccola e più vicina alla Terra di quanto si sia sempre pensato. In base a un nuovo studio condotto da un team internazionale di ricercatori, il suo raggio è 750 volte il raggio del Sole e la sua distanza 530 anni luce. Inoltre, potrebbero trascorrere altri 100mila anni prima che esploda. Tutti i dettagli su ApJ
The gauge theory of dislocations: a nonuniformly moving screw dislocation
Creators: name: Lazar, Markus
Publisher: name: arXiv
Year: 2010
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We investigate the nonuniform motion of a straight screw dislocation in infinite media in the framework of the translational gauge theory of dislocations. The equations of motion are derived for an arbitrary moving screw dislocation. The fields of the elastic velocity, elastic distortion, dislocation density and dislocation current surrounding the arbitrarily moving screw dislocation are derived explicitely in the form of integral representations. We calculate the radiation fields and the fields depending on the dislocation velocities.
description: 12 pages
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐµÐ¼Ñ Ð¾ÑÐµÐ½ÐºÐ¸ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð° Ð½Ð° Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ð¸
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð©ÐµÑÐ±Ð¸Ð½Ð¸Ð½Ð°, 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: 2017
Subjects: ÑÐ¸ÑÑÐµÐ¼Ð° Ð¾ÑÐµÐ½ÐºÐ¸ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð°
ÑÐ¾Ð·Ð½Ð¸ÑÐ½Ð°Ñ ÑÐµÑÑ Ð¼Ð°Ð³Ð°Ð·Ð¸Ð½Ð¾Ð²
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description: ÐÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð° Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑ ÐÐÐ Â«Ð§Ð¸ÑÑÑÐ¹ Ð¡Ð¾ÑÑ Ð¦ÐµÐ½ÑÑÂ», Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÑÑÑÐºÑÑÑÐ° ÑÐµÑÐ¸ Ð¼Ð°Ð³Ð°Ð·Ð¸Ð½Ð¾Ð² Â«1Ð¡-ÐÐ½ÑÐµÑÐµÑÂ», ÑÐµÑÑÑÑÐ½ÑÐ¹ Ð¿Ð¾ÑÐµÐ½ÑÐ¸Ð°Ð» Ð¸ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ð¸ ÑÐ¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸. ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½ÐºÐ° Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸ Ð¼ÑÐ»ÑÑÐ¸Ð¼ÐµÐ´Ð¸Ð° Ð¸ Ð¸Ð³Ñ, Ð²ÑÑÐ²Ð»ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÐµÐ½Ð´ÐµÐ½ÑÐ¸Ð¸ ÐµÐ³Ð¾ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ. ÐÐ°Ð½Ð° ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ° ÑÑÑÐµÑÑÐ²ÑÑÑÐµÐ¹ Ð½Ð° ÑÐ¾ÑÐ³Ð¾Ð²Ð¾Ð¼ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ð¸ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¾ÑÐµÐ½ÐºÐ¸ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð° Ð¸ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð° Ð¾ÑÐµÐ½ÐºÐ° ÐµÐµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸. ÐÑÑÐ²Ð»ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ Ð½ÐµÐ´Ð¾ÑÑÐ°ÑÐºÐ¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÑÐµÐ¼ÑÑ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² Ð¾ÑÐµÐ½ÐºÐ¸ ÑÐ¾ÑÑÑÐ´Ð½Ð¸ÐºÐ¾Ð², Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ñ Ð¿ÑÑÐ¸ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¾ÑÐµÐ½ÐºÐ¸ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð° Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½Ð¾ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¾Ðµ Ð¾Ð±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð½ÑÑ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹.
title: Ungulate Damage to Safflower in San Juan County, Utah
Creators: name: Haney, Michael J.
Publisher: name: Utah State University
Year: 2011

description: In Utah, farmers are concerned that ungulates are damaging safflower (Carthamus tinctorius) fields. I examined elk (Cervus elaphus) and mule deer (Odocoileus hemionus) damage to safflower production in San Juan County, Utah during 2009 and 2010. Data on damaged safflower plants were collected within 28 fields, totaling 1,581 ha (13 fields totaling 963 ha during 2009; 15 fields totaling 618 ha during 2010). I compared 3 methods to assess losses: ungulate-proof exclosures, adjacent plant compensation method, and counting the number of damaged plants in 50-m transects (safflower count method). Exclosures were of limited use because they could not be erected until farmers stopped using cultivating their fields. Hence, this method did not account for ungulate damage to young plants. The adjacent plant compensation method assessed yields within 1 m of a randomly-selected damaged plant to account for any compensatory growth of neighboring plants but this method proved inaccurate because ungulate herbivory was concentrated so that a browsed plant was often surrounded by other browsed plants so no compensatory growth by surrounding plants occurred. The most accurate method was the safflower count method which determined the number of damaged plants within a field and then multiplied this number by the decrease in yield from an average damaged plant. I used this method to examine 981,000 plants for damage. Deer and elk damaged or killed 7.2% of safflower plants during 2009 and 1.4% of plants during 2010. Overall yield reduction was 2.9% during 2009 and 0.6% in 2010. The total value of safflower loss within all surveyed fields in 2009 was $9,023 for a loss of $9.42 / ha. The loss of value within surveyed fields in 2010 was $2,330, or $3.77 / ha. The best model for predicting ungulate damage in 2009 included distance to canyon from field edge and the percent of a field bordered by a fallow field, while the best model for 2010 included distance to canyon from field edge and the percent of a field bordered by a wheat field. Safflower farmers were surveyed in the spring of 2010 to compare perceived losses in their fields during 2009 to those measured in this study. Farmers believed that damage by deer and elk reduced their yields by 20% with most damage caused by elk (x¯ =12% by elk, 7% by deer, 1% by other wildlife). On average, perceptions of damage were 5.2 times higher than the actual levels I measured during 2009. This was not surprising because farmers usually surveyed their field from the field’s edge and ungulate damage was concentrated along the edge of the fields.
Proliferative events experimentally induced by a transient cold shock in the brain of adult terrestrial heterothermic vertebrates: preliminary analysis of PCNA expression in Podarcis sicula
Creators: name: Margotta, Vito
Publisher: name: Italian Journal of Anatomy and Embryology
Year: 2014
Subjects: Adult lizard; Brain; Cold shock; PCNA expression

description: In past studies on the encephalic regenerative phenomena some authors adopted a pre-surgical stratagem (drastic, sudden, transient thermal stimulus) to adult brain-injured newts to limit death rate upon surgery and with this method, unexpected tissue reparation was obtained. This procedure became a routine technicality also in frog and lizard to stimulate an increase in the neurogenesis, attributable to putative stem cells which appear either in clusters (“matrix areas” or “matrix zones”), mostly at or near the telencephalic ventricular surfaces, or scattered (“matrix cells”) within other cerebral districts. On the basis of this literature background, planning an immunocytochemical re-evaluation of the survival of latent proliferative properties in these adult cold shocked organisms, as already studied in Triturus carnifex, the actual investigation was carried out on the brain of Podarcis sicula not subjected to cerebral injury. The immunohistochemical expression of the proliferating cell nuclear antigen (PCNA) seemed moderate only in those encephalic portions better provided with cells in stand-by: the olfactory peduncles and the telencephalic zonae germinativae ventrales. This scenario appeared rather disappointed and inadequate with respect to the unexpected, widespread restoration of the removed portions observed by previous authors. These findings could be due both to a small effectiveness of a relatively mild thermal stress, depending on the difference between the applied temperature and seasonal one, to the lack of other experimental conditions (surgical trauma, encephalic injury) adopted in the past, and to the interspecific differences in sensitivity, since lacertilian Reptiles are less endowed with proliferative/regenerative power than Amphibians, mainly Urodela, and Teleosts.
description: Italian Journal of Anatomy and Embryology, Vol 119, No 2 (2014)
The thermal conductivity of natural and synthetic rubber-sulphur compounds
Creators: name: Lang, Francis Alexander
Publisher: name: University of British Columbia
Year: 2012

description: The thermal conductivity of natural and butyl rubber-sulphur compounds has been investigated at temperatures from - 150° C. to + 30° C. and extensions of 0% to 100%. Readings obtained are plotted on graphs in the order in which they were obtained to show a likely time effect. Results of previous experiments are included in the tables. The results show a very definite change in conductivity due to the addition of sulphur. They do not definitely prove the existence of a completely reproducible hysteris curve.
Uno scudo per due
Creators: Maura Sandri
Publisher: name: Media Inaf
Year: 2020

In un nuovo studio pubblicato su Science Advances viene presentata un’ipotesi plausibile sul modo in cui le storie antiche della Terra e della Luna abbiano contribuito alla conservazione dell'atmosfera primordiale della Terra. I processi coinvolti – misteriosi e complessi, ma che gli scienziati sono riusciti a simulare nel loro modello – potrebbero trovare conferma nei campioni che a breve verranno prelevati dalla superficie lunare
title: A Sensory-Based Multi-Component School-Based Nutrition Intervention Among Fifth-Grade Students
Creators: name: Bevan, Stacy Lyn
Publisher: name: Utah State University
Year: 2011

description: The nutritional status of children is declining as evidenced by the steady rise in childhood obesity rates over the last three decades. Consuming five servings of fruit and vegetables (FV) daily has shown to help with weight maintenance, but children are consuming far less than the recommended servings. This study was designed to test the efficacy of a sensory-focused multi-component school-based program at increasing vegetable intake among fifth-graders. Classroom, family, and community components allowed children to explore thirteen target vegetables with their senses including taste. Vegetable consumption was measured by digitalized observations of lunchtime vegetable selection and consumption. Vegetable acceptance was evaluated using a selfadministered survey assessing attitude and behaviors related to vegetable consumption. Measures were assessed at multiple time points and compared between the intervention school and a comparison school matched for demographic similarities.
Parental consent was obtained for 136 fifth-graders to participate in the multicomponent study and 114 were included in the plate waste study. Data were collected over six days of plate waste observations including two phases: the control phase (CP) and the target vegetable phase (TVP) where target vegetables were served in addition to the regular lunch vegetables.
Differences in mean vegetables taken and consumed during each phase of the plate waste study were analyzed using analysis of variance (ANOVA) and paired sample t-tests. When fried potatoes were included as a vegetable in the analysis, the comparison school took (P < 0.001) and consumed (P < 0.001) significantly more vegetables than the intervention school. There were no significant differences in vegetables taken (P < 0.258) and consumed (P < 0.217) when fried potatoes were excluded. Self-administered surveys were analyzed using the Fisher’s exact test and ANOVA. Significantly more children at the intervention school compared to the comparison school reported ever eating bell peppers, butternut squash, and cucumbers.
The findings of this study do not show significant differences in vegetable consumption when the intervention school is compared to the comparison school, but do show a small trend toward increased acceptance of target vegetables. Future studies should evaluate a larger sample size with increased frequency of taste testing opportunities.
title: ÐÑÐ¾ÐµÐºÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð¸ Ð²Ð½ÐµÐ´ÑÐµÐ½Ð¸Ñ ÑÐµÐ³Ð»Ð°Ð¼ÐµÐ½ÑÐ¾Ð² ÑÐ°Ð±Ð¾ÑÑ Ñ ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð½Ð¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸ÐµÐ¹ Ð² Ð¿ÑÐ¾ÐµÐºÑÐ°Ñ ÑÑÐ´Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ñ
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Ð°ÑÐµÐ½ÐºÐ¾, ÐÐ°ÑÐ³Ð°ÑÐ¸Ñ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: 2018
Subjects: ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ Ð¿ÑÐ¾ÐµÐºÑÐ°Ð¼Ð¸
Ð¼Ð¾Ð´ÐµÐ»Ñ Ð´Ð°Ð½Ð½ÑÑ
ÑÑÐ´Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ðµ
Ð±Ð¸Ð±Ð»Ð¸Ð¾ÑÐµÐºÐ° ÐºÐ»Ð°ÑÑÐ¾Ð²

description: Ð ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½ Ð¿ÑÐ¾ÑÐµÑÑ ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¿ÑÐ¾ÐµÐºÑÐ° Ð² ÑÑÐ´Ð¾ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð¹ Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ñ ÑÐ¾ÑÐºÐ¸ Ð·ÑÐµÐ½Ð¸Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð´Ð°Ð½Ð½ÑÐ¼Ð¸ Ð¸ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¸Ñ Ð² ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð½Ð¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸. ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ, ÐºÐ¾ÑÐ¾ÑÑÐµ Ð²Ð¾Ð·Ð½Ð¸ÐºÐ°ÑÑ Ð¿ÑÐ¸ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ð¸ Ð·Ð°ÐºÐ°Ð·ÑÐ¸Ðº â Ð¿ÑÐ¾ÐµÐºÑÐ°Ð½Ñ â Ð·Ð°Ð²Ð¾Ð´-ÑÑÑÐ¾Ð¸ÑÐµÐ»Ñ, Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¾ ÑÐµÑÐµÐ½Ð¸Ðµ Ð´Ð»Ñ ÑÑÑÑÐ°Ð½ÐµÐ½Ð¸Ñ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼.
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Ð ÑÐ¾Ð´Ðµ ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¿ÑÐ¾ÐµÐºÑÐ° Ð±ÑÐ» ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½ Ð¿Ð»Ð°Ð½ ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð² MS Project, Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð°Ð½Ð°Ð»Ð¸Ð·, Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ¸ÑÐºÐ¾Ð² Ð¼ÐµÑ Ð¸Ñ Ð¿ÑÐµÐ´Ð¾ÑÐ²ÑÐ°ÑÐµÐ½Ð¸Ñ Ð¸ ÑÑÑÑÐ°Ð½ÐµÐ½Ð¸Ñ, Ð° ÑÐ°ÐºÐ¶Ðµ Ð¿ÐµÑÑÐ¿ÐµÐºÑÐ¸Ð² Ð¿ÑÐ¾ÐµÐºÑÐ°.
Spica fuori rosa: esclusa dalla selezione per M5
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2020

Giovedì scorso l’Esa e la Jaxa hanno comunicato l’esclusione anticipata del telescopio spaziale per lo studio dell’universo infrarosso Spica dalla selezione per M5 – la quinta missione di classe media del programma Cosmic Vision. Una scelta dettata da ragioni economiche, dice il direttore della scienza dell’Esa Günther Hasinger. Un appello a rivedere la decisione ha già raccolto le firme di circa trecento astrofisici
Non-minimally coupled scalar field cosmology on the phase plane
Creators: name: Hrycyna, Orest
name: Szydlowski, Marek
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this publication we investigate dynamics of a flat FRW cosmological model with a non-minimally coupled scalar field with the coupling term $ξR ψ^{2}$ in the scalar field action. The quadratic potential function $V(ψ)\propto ψ^{2}$ is assumed. All the evolutional paths are visualized and classified in the phase plane, at which the parameter of non-minimal coupling $ξ$ plays the role of a control parameter. The fragility of global dynamics with respect to changes of the coupling constant is studied in details. We find that the future big rip singularity appearing in the phantom scalar field cosmological models can be avoided due to non-minimal coupling constant effects. We have shown the existence of a finite scale factor singular point (future or past) where the Hubble function as well as its first cosmological time derivative diverges.
description: revtex4, 20 pages, 12 figs; (v2) title changed, analysis of critical points at infinity added, accepted to JCAP
Morphometric study of the lumbosacral spine and some of its related angles in Lebanese adult females
Creators: name: Atta-Alla, El Sayed S.
name: Saab, Ibtissam M.
name: El Shishtawy, Mohamed
name: Hassan, Khodor Haidar
Publisher: name: Italian Journal of Anatomy and Embryology
Year: 2014
Subjects: lumbar vertebrae; lumbar intervertebral discs; pedicle; lumbar lordosis; lumbosacral angle and sacral inclination angle

description: The present study was undertaken to examine the morphometric characteristics of lumbar vertebrae, lumbar intervertebral discs and some important related angles in Lebanese adult females. The subjects of this study were thirty Lebanese adult females aged between 18-22 years. The subjects were selected among students of the faculty of health sciences, Beirut Arab University. Two plain radiographic views for the lumbosacral spine were taken for each subject, an anteroposterior view and a lateral view. Measurements were made directly on the X-ray films using Vernier calliper and were recorded to the nearest tenth of a millimetre. The following measurements were taken for each lumbar vertebra: the anterior height of the body, the posterior height of the body, the horizontal diameter of the pedicle, the vertical diameter of the pedicle, the interpedicular distance, the width (transverse diameter) of the body. Also the anterior height, the posterior height and the anteroposterior diameter (disc depth) of the intervertebral disc were measured. In addition, the following angles were measured: the angle of lumbar lordosis, the lumbosacral angle and the angle of sacral inclination. The mean and standard deviation were calculated and recorded. The results offer a base line reference for normal Lebanese adult females and a guidance to clinicians for the evaluation and management of subjects complaining of low back pain, in order to propose specific preventive or rehabilitation protocols to prevent low back pain as a function of spinal alignment. Moreover, these normal figures could also be of forensic importance because of the observed racial, ethnic and regional variations.
description: Italian Journal of Anatomy and Embryology, Vol 119, No 2 (2014)
A mezzanotte circa, toccata e fuga sull’asteroide
Creators: Rossella Spiga
Publisher: name: Media Inaf
Year: 2020

Il touch-and-go è in programma nella notte fra il 20 e il 21 ottobre. La sonda spaziale Osiris-Rex della Nasa scenderà sulla superficie dell’asteroide Bennu per raccogliere un campione di materiale da riportare poi sulla Terra. Sarà possibile seguire l’evento in diretta a partire dalle 23 ora italiana
Pendoli a miliardi per imbrigliare la materia oscura
Creators: Giuseppe Fiasconaro
Publisher: name: Media Inaf
Year: 2020

Come porre un limite superiore alla massa delle particelle di materia oscura? Un team di ricercatori del Nist (Usa) suggerisce di realizzare un cubo di qualche metro per lato costituito da miliardi di pendoli meccanici, con dimensioni millimetriche, che verrebbero azionati in sequenza – per effetto gravitazionale – dal passaggio di eventuali particelle di massa pari almeno a quella di Planck
title: Pond-Hindsight: Applying Hindsight Optimization to Partially-Observable Markov Decision Processes
Creators: name: Olsen, Alan
Publisher: name: Utah State University
Year: 2011

description: Partially-observable Markov decision processes (POMDPs) are especially good at modeling real-world problems because they allow for sensor and effector uncertainty. Unfortunately, such uncertainty makes solving a POMDP computationally challenging. Traditional approaches, which are based on value iteration, can be slow because they find optimal actions for every possible situation. With the help of the Fast Forward (FF) planner, FF- Replan and FF-Hindsight have shown success in quickly solving fully-observable Markov decision processes (MDPs) by solving classical planning translations of the problem. This thesis extends the concept of problem determination to POMDPs by sampling action observations (similar to how FF-Replan samples action outcomes) and guiding the construction of policy trajectories with a conformant (as opposed to classical) planning heuristic. The resultant planner is called POND-Hindsight.
Analysis of the X(4350) as a scalar $\bar{c}c$ and ${D}_s^\ast {\bar {D}}_s^\ast$ mixing state with QCD sum rules
Creators: name: Wang, Zhi-Gang
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this article, we assume that the narrow structure X(4350) is a scalar $\bar{c}c-{D}_s^\ast {\bar {D}}_s^\ast$ mixing state, and study its mass using the QCD sum rules. The numerical result $M_X=(4.37\pm0.15)\,\rm{GeV}$ is in good agreement with the experimental data, the X(4350) may be a scalar $\bar{c}c-{D}_s^\ast {\bar {D}}_s^\ast$ mixing state. Other possibility, such as a scalar (tensor) $cs\bar{c}\bar{s}$ tetraquark state is not excluded.
description: 9 pages, 4 figures, third version
title: Research Lines of the Department of Economics
Creators: name: Trezzini, Attilio
Publisher: name: Roma TrE-Press
Year: 2021

description:

Il volume offre un quadro complessivo dell’attività di ricerca svolta presso il Dipartimento di Economia dell’Università Roma Tre, con l’obiettivo di favorire collaborazioni con ricercatori di università italiane e internazionali e di fornire indicazioni agli studenti potenziali circa gli interessi che potranno perseguire iscrivendosi ai corsi di Laurea Magistrale o di Dottorato di Ricerca del Dipartimento. Il volume è suddiviso in capitoli, all’interno dei quali i progetti di ricerca sono raggruppati in base all’argomento trattato, indicando per ciascun progetto i ricercatori in esso coinvolti. Consultando il volume è quindi possibile sia individuare tutti i progetti di ricerca in cui è coinvolto ciascun membro del Dipartimento, sia identificare l’insieme dei progetti che afferiscono a uno stesso tema di ricerca. I progetti riflettono tutti gli interessi coltivati nel Dipartimento, che comprende studiosi di macro e micro economia, politica economica, finanza, statistica, matematica, economia aziendale, diritto.
L’abbraccio fatale d’una coppia di mostri
Creators: Ufficio stampa Inaf
Publisher: name: Media Inaf
Year: 2020

Un gruppo di astrofisici guidato dall’Inaf ha sviluppato un nuovo metodo per la caccia ai sistemi binari di buchi neri supermassicci, nascosti nel cuore di galassie lontane che stanno lentamente fondendosi in un processo di merging. Testato su osservazioni ai raggi X del telescopio spaziale Swift, il metodo ha svelato una nuova coppia di questi giganti cosmici, distanti tra loro “solo” 150 miliardi di chilometri
The gamma-rays of radium
Creators: name: Ozeroff, Michael John
Publisher: name: University of British Columbia
Year: 2012

description: The thin-lens beta-ray spectrometer is described, together with its associated equipment. The energies of gamma-rays, emitted by Radium in equilibrium with its disintegration products have been determined by measuring, in such a spectrometer, the energies of photoelectrons ejected from lead. These energies agree reasonably well with those reported by Ellis and Skinner, although several values reported by Alichanov and Latyshev have not been found. The energy calculations were based on a calibration using the F line of Thorium B; (H ϱ = 1385.6 gauss-cm.). An indication was found of a gamma energy not previously reported.
Castrati singers: surgery for religion and art
Creators: name: Koutsiaris, Epameinondas A.
name: Alamanis, Christos
name: Eftychiadis, Aristotle
name: Zervas, Anastasios
Publisher: name: Italian Journal of Anatomy and Embryology
Year: 2014
Subjects: castrati singers; eunuchism; history of surgery; history of music

description: The act of castration was practiced from ancient times. In countries of Middle and Far East, castration was often done to provide eunuchs as guardians of the harems. In Europe and especially in Italy, it was carried out to preserve the male voice unbroken into adult life. From 16th century till the end of 18th century, castrati singers dominated opera with their supernatural voices. Boys were castrated mainly before the age of 9 years and when they grew up they had feminine characteristics, such as smooth, hairless bodies, breasts, infantile penis. The training procedure to become a castrato singer was very intense and lasted up to ten years. The most common surgical technique was either to sever the spermatic cords or crush the testis with the fingers. The voice of a castrato was the outcome of a larynx the size of a child’s combined with the lung volume of an adult male. The castrati singers became superstars who dominated opera, singing both male and female roles for more than 200 years. Castrated for art, the beauty, range and flexibility of their voices raised them to mythical status.
description: Italian Journal of Anatomy and Embryology, Vol 119, No 2 (2014)
Metric approach to quantum constraints
Creators: name: Brody, Dorje C.
name: Gustavsson, Anna C. T.
name: Hughston, Lane P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A new framework for deriving equations of motion for constrained quantum systems is introduced, and a procedure for its implementation is outlined. In special cases the framework reduces to a quantum analogue of the Dirac theory of constrains in classical mechanics. Explicit examples involving spin-1/2 particles are worked out in detail: in one example our approach coincides with a quantum version of the Dirac formalism, while the other example illustrates how a situation that cannot be treated by Dirac's approach can nevertheless be dealt with in the present scheme.
description: 13 pages, 1 figure
title: Autonomous Aerial Manipulation Using a Quadrotor
Creators: name: Ghadiok, Vaibhav
Publisher: name: Utah State University
Year: 2011

description: This paper presents an implementation of autonomous indoor aerial gripping using a low-cost, custom-built quadrotor. Such research extends the typical functionality of micro air vehicles (MAV) from passive observation and sensing to dynamic interaction with the environment. To achieve this, three major challenges are overcome: precise positioning, sensing and manipulation of the object, and stabilization in the presence of disturbance due to interaction with the object. Navigation in both indoor and outdoor unstructured, Global Positioning System-denied (GPS-denied) environments is achieved using a visual Simultaneous Localization and Mapping (SLAM) algorithm that relies on an onboard monocular camera. A secondary camera, capable of detecting infrared light sources, is used to estimate the 3D location of the object, while an under-actuated and passively compliant manipulator is designed for effective gripping under uncertainty. The system utilizes nested ProportionalIntegral-Derivative (PID) controllers for attitude stabilization, vision-based navigation, and gripping. The quadrotor is therefore able to autonomously navigate, locate, and grasp an object, using only onboard sensors.
title: Process-Based Management of Downy Brome in Salt Desert Shrublands: Assessing Pre- and Post- Rehabilitation Soil and Vegetation Attributes
Creators: name: Hirsch, Merilynn Carol
Publisher: name: Utah State University
Year: 2011

description: A number of technical approaches had to be employed within the planner, namely, 1) translating expected reward into a probability of goal satisfaction criterion, 2) monitoring belief states with a Rao-Blackwellized particle, and 3) employing Rao-Blackwellized particles in the McLUG probabilistic conformant planning graph heuristic. POND-Hindsight is an action selection mechanism that evaluates each possible action by generating a number of lookahead samples (up to a xed horizon) that greedily select actions based on their heuristic value and samples the actions' observation; the average goal satisfaction probability of the end horizon belief states is used as the value of each action.
Dopo i rover, arrivano i transformers
Creators: Valentina Guglielmo
Publisher: name: Media Inaf
Year: 2020

Un nuovo prototipo di rover flessibile, capace di percorrere lunghe distanze e di raggiungere aree di interesse scientifico impraticabili per un classico rover, è stato sottoposto a un test sul campo nel deserto del Mojave, in California, per dimostrare la sua versatilità. Composto da due robot Axel, DuAxel è progettato per esplorare pareti di crateri, fosse, scarpate e altri terreni estremi sulla Luna, su Marte e altri corpi rocciosi ghiacciati come la luna gioviana Europa
Expression of Brain Derivated Neurotrophic Factor and of its receptors: TrKB and p75NT in normal and bile duct ligated rat liver
Creators: name: Vivacqua, Giorgio
name: Renzi, Anastasia
name: Carpino, Guido
name: Franchitto, Antonio
name: Gaudio, Eugenio
Publisher: name: Italian Journal of Anatomy and Embryology
Year: 2014
Subjects: neurotrophins; cholangiocytes; experimental cholestasis; neuroendocrine cells; liver diseases

description: Cholangiocytes are the cells lining the biliary tree from canals of Hering to larger bile ducts. By morphology, they are divided in small and large cholangiocytes, which result heterogeneous at functional and proliferative levels. Proliferating cholangiocytes acquire a neuroendocrine phenotype, modulated by several factors including neurotrophins. Brain Derivated Neurotrophic Factor (BDNF) is a neurotrophin expressed in the nervous system and also in different types of epithelial and progenitor cells. The aim of the present study is to detect the expression of BDNF and of its two receptors (TrKB and p75NT, or p75NTR) in normal and bile duct ligated (BDL) rat livers. In normal and BDL livers, BDNF and its receptors are expressed by small and large cholangiocytes and by hepatic progenitors cells. In cholangiocytes, the expression of BDNF and of its receptors changes after different BDL timing. After one or two weeks of BDL, both BDNF and TrKB and p75NT receptors are highly expressed, while after BDL for three weeks BDNF expression is drastically reduced and p75NT receptor prevails on TrKB. The expression of BDNF and of its receptors correlates with the proliferation rate of biliary tree during BDL. Indeed, after one or two weeks of BDL, proliferation prevails on apoptosis, whereas after BDL for three weeks, apoptosis prevails on proliferation. Our morphological results strongly suggest that BDNF plays a role in the remodeling of biliary tree during cholestasis and that it may be involved in the pathophysiology of cholestasic liver diseases.
description: Italian Journal of Anatomy and Embryology, Vol 119, No 2 (2014)
title: Ligand and Metal Effects on the CO-Release Reactivity of Metal Acireductone and Flavonolate Complexes
Creators: name: Grubel, Katarzyna
Publisher: name: Utah State University
Year: 2011

description: The research reported herein involves synthetic metal complexes of relevance to dioxygenase enzymes (Ni(II)-containing acireductone dioxygenase (Ni(II)-ARD) and quercentinase (2,4-flavonol dioxygenase) that promote oxidative carbon-carbon bond cleavage and CO release. The experiments focus on the elucidation of structure-reactivity relationships and evaluation of the conditions under which CO is generated. It had been proposed that hydrogen bond donors in the secondary environment of the active site metal center in Ni(II)-ARD influence the coordination of the acireductone substrate on the nickel center. To evaluate this proposal, we investigated the Ni(II) coordination chemistry of an acireductone-type enolate anion using a supporting chelate ligand having two internal hydrogen bond-donors. The resulting complex exhibited differences in terms of the organic product distribution in a CO release reaction resulting from oxidative C-C bond cleavage of the enolate ligand relative to this reported for the iv hydrophobic, 6-Ph2TPA-supported (6-Ph2TPA = N,N-bis((6-phenyl-2-pyridyl)methyl)- N-((2-pyridyl)methyl)amine) analogue. In another study, we found that changes in the supporting chelate ligand or metal center influenced the coordination chemistry of the acireductone-type enolate anion. This chemistry highlighted the propensity of the enolate to undergo isomerization without CO release in the presence of water. Rigorously excluding water enabled the isolation of a Ni(II) enolate complex of the 6-PhTPA ligand and examination of its oxidative CO release chemistry, as well as the spectroscopic characterization of the first Co(II) complex of an acireductone-type enolate. To elucidate factors influencing the CO-release reactivity of metal-flavonoid complexes, some of which have relevance to quercentinase enzymes, we synthesized and characterized the first series of structurally-related metal-flavonolate complexes [(6- Ph2TPA)M(3-Hfl)]X (M = Mn(II), Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Hg(II); X = OTfor ClO4 - ). Exposure of these complexes to UV light initiated photooxidative carboncarbon bond cleavage and CO release in a metal-dependent manner, with closed-shell d 10 metals giving rise to the highest rate of CO release. These studies suggest that metal flavonolate species may be useful as a new type of photo-induced CO release molecules (CORMs). Such species are of current interest for possible therapeutic applications.
Ultrastructural changes in human gingival fibroblasts after exposure to 2-hydroxy-ethyl methacrylate
Creators: name: Teti, Gabriella
name: Salvatore, Viviana
name: Mazzotti, Maria Carla
name: Orlandini, Beatrice
name: Focaroli, Stefano
name: Durante, Sandra
name: Paternostro, Ferdinando
Publisher: name: Italian Journal of Anatomy and Embryology
Year: 2014
Subjects: biocompatibility; HEMA; human gingival fibroblasts; apoptosis; autophagy

description: Polymerized resin-based materials are successfully utilized in medical applications. One drawback is the release of monomers from the matrix due to an incomplete polymerization or degradation processes. Released monomers can diffuse in the systemic circulation and induce adverse effects to biological tissues. Although there are many hypotheses about the induction of cell death by resin monomers, the underlying mechanisms are still under discussion. The aim of the study was to investigate the morphological modifications in human gingival fibroblasts exposed to 2-hydroxy-ethyl methacrylate (HEMA) to better elucidate the mechanism of cell death induced by resin monomers. Primary cultures of gingival fibroblasts were exposed to 3mM HEMA for 24 h, 72 h, 96 h. Morphological investigations were performed by scanning and transmission electron microscopy, while western blot for caspase-3 was carried out to verify apoptosis. Electron microscopy images showed deep changes in the cell surface and cytoplasm after 72 h and 96 h of HEMA treatment. Autophagic vesicles were easily observed just after 24 h. Cleaved caspase-3 was detected after 72 h of treatment. These findings suggest that resin based materials induced cell death by the cooperation of apoptosis and autophagy mechanisms. The understanding of these mechanisms will lead to the development of smart biomaterials without or with low adverse effects.
description: Italian Journal of Anatomy and Embryology, Vol 119, No 2 (2014)
Il senso di Plutone per la neve
Creators: Claudia Mignone
Publisher: name: Media Inaf
Year: 2020

Un team internazionale di ricercatori ha svelato che il manto nevoso osservato sulle montagne più alte di Plutone è ricco di metano, spiegando l’origine delle pittoresche cime innevate sul piccolo corpo celeste – un paesaggio che ricorda quelli terrestri ma si è formato in condizioni molto diverse. Tutti i dettagli su Nature Communications
title: Ð¡ÐµÑÐµÐ²Ð°Ñ ÐºÐ¾Ð¼Ð¼ÐµÑÑÐ¸Ñ Ð² ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐµ
title: ÑÑÐµÐ±Ð½Ð¸Ðº
titleType: Subtitle
Creators: name: ÐÐ°ÑÑÐºÐ¸Ð½, Ð¡ÐµÑÐ³ÐµÐ¹
name: Ð¡ÐµÑÐ³ÐµÐµÐ², Ð¡ÐµÑÐ³ÐµÐ¹
name: Ð¢Ð¸ÑÐ¾Ð², 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: 2023
Subjects: Ð­ÐºÑÐ¿ÐµÑÑÐ½ÑÐµ ÑÐ¸ÑÑÐµÐ¼Ñ
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description: ÐÐµÐ´ÐµÐ½Ð¸Ðµ Ð±Ð¸Ð·Ð½ÐµÑÐ° Ð² ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð¿ÐµÑÐµÑÐ¾Ð´Ð° Ðº ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐµ Ð¿Ð¾Ð´ÑÐ°Ð·ÑÐ¼ÐµÐ²Ð°ÐµÑ ÑÐ¸ÑÐ¾ÐºÐ¾Ðµ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ðµ, Ð²Ð·Ð°Ð¸Ð¼Ð½ÑÑ Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ñ Ð½Ð° Ð±Ð°Ð·Ðµ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½ÑÑ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¹ Ñ Ð¸Ð½ÑÐµÐ»Ð»ÐµÐºÑÑÐ°Ð»ÑÐ½ÑÐ¼Ð¸ ÑÐºÑÐ¿ÐµÑÑÐ½ÑÐ¼Ð¸ ÑÐ¸ÑÑÐµÐ¼Ð°Ð¼Ð¸, Ð¾Ð¿Ð¸ÑÐ°ÑÑÐ¸Ð¼Ð¸ÑÑ Ð½Ð° Ð²ÑÐ²ÐµÑÐµÐ½Ð½ÑÐµ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ñ. Ð Ð¾ÑÐ½Ð¾Ð²Ðµ ÐºÐ¾Ð½ÐºÑÑÐµÐ½ÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐµÐ¸Ð¼ÑÑÐµÑÑÐ²Ð° ÑÑÐ±ÑÐµÐºÑÐ¾Ð² ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ ÐºÐ¾Ð¼Ð¼ÐµÑÑÐ¸Ð¸ Ð»ÐµÐ¶Ð¸Ñ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½ÐºÐ° Ð² ÑÐµÐ¶Ð¸Ð¼Ðµ ÑÐµÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ Ð²ÑÐµÐ¼ÐµÐ½Ð¸, Ð¿ÑÐ¾Ð³Ð½Ð¾ÑÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸ÐµÐ¼ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ð¾Ð² Ð¸ ÑÐ°ÐºÐ¸Ñ Ð±Ð°Ð·Ð¾Ð²ÑÑ Ð¸Ð½Ð´Ð¸ÐºÐ°ÑÐ¾ÑÐ¾Ð², ÐºÐ°Ðº ÑÐ¿ÑÐ¾Ñ, Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ðµ, Ð¸Ð·Ð´ÐµÑÐ¶ÐºÐ¸ Ð¸ ÑÐ¸ÑÐºÐ¸. ÐÐ¾Ð½ÑÐµÐ¿ÑÐ¸Ñ Ð´Ð¸Ð³Ð¸ÑÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð° Ð½Ð° Ð´Ð¾Ð¼Ð¸Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ ÑÐ¸ÑÑÐ¾Ð²ÑÑ ÑÐºÐ¾ÑÐ¸ÑÑÐµÐ¼, Ð½Ð° Ð¿Ð¾Ð²ÑÐµÐ¼ÐµÑÑÐ½Ð¾Ð¼ Ð²Ð½ÐµÐ´ÑÐµÐ½Ð¸Ð¸ ÑÐ¸ÑÑÐµÐ¼ Ð¸ÑÐºÑÑÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¸Ð½ÑÐµÐ»Ð»ÐµÐºÑÐ°, Ð±Ð°Ð·Ð¾Ð¹ ÐºÐ¾ÑÐ¾ÑÑÑ ÑÐ²Ð»ÑÑÑÑÑ ÐºÐ¾Ð¼Ð¿ÑÑÑÐµÑÐ½ÑÐµ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ, ÑÐµÐ°Ð»Ð¸Ð·ÑÑÑÐ¸Ðµ ÑÐ°ÐºÐ¸Ðµ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ñ. Ð ÑÐ²Ð¾Ñ Ð¾ÑÐµÑÐµÐ´Ñ, Ð¿ÑÐ¸Ð½ÑÑÐ¸Ðµ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½ÑÐµÑÐºÐ¸Ñ ÑÐµÑÐµÐ½Ð¸Ð¹ Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ð¹ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð´Ð°Ð½Ð½ÑÑ, Ð¿Ð¾Ð»ÑÑÐµÐ½Ð½ÑÑ ÐºÐ°Ðº Ð² ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð³Ð¾ Ð±ÐµÑÑÐ¾Ð²Ð½Ð¾Ð³Ð¾ Ð¼ÐµÐ¶Ð¼Ð°ÑÐ¸Ð½Ð½Ð¾Ð³Ð¾ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ Ð2Ð, ÑÐ°Ðº Ð¸ ÑÐµÐ»ÐµÐ²ÑÑ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»ÐµÐ¹ ÑÐ¾ÑÐ³Ð¾Ð²Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð´Ð¾Ð»Ð¶Ð½Ð¾ Ð¾ÑÐ²ÐµÑÐ°ÑÑ ÑÑÐ´Ñ ÐºÑÐ¸ÑÐµÑÐ¸ÐµÐ² Ð¾Ð¿ÑÐ¸Ð¼Ð°Ð»ÑÐ½Ð¾ÑÑÐ¸ Ð¸ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÑÐµÑ Ð¸Ð· ÑÐµÐ±Ñ ÑÐ»Ð¾Ð¶Ð½ÑÑ Ð·Ð°Ð´Ð°ÑÑ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÑÐ¾ÑÐ°ÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð². ÐÐ°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸, ÑÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¼Ð¾Ð³ÑÑ Ð±ÑÑÑ Ð·Ð°Ð»Ð¾Ð¶ÐµÐ½Ñ Ð² Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ð¸ÑÐµÑÐºÑÑ Ð¾ÑÐ½Ð¾Ð²Ñ ÑÐ¸ÑÑÐ¾Ð²ÑÑ Ð¿Ð»Ð°ÑÑÐ¾ÑÐ¼ ÑÐ¾ÑÐ³Ð¾Ð²Ð¾Ð¹ ÑÐµÑÐµÐ²Ð¾Ð¹ ÑÐºÐ¾ÑÐ¸ÑÑÐµÐ¼Ñ. Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð½ÐµÑÐºÐ¾Ð»ÑÐºÐ¾ Ð²Ð°ÑÐ¸Ð°Ð½ÑÐ¾Ð² Ð¿Ð»Ð°Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¸ Ð¿Ð¾Ð»ÑÑÐµÐ½Ñ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ñ, ÑÐ´Ð¾Ð±Ð½ÑÐµ Ð´Ð»Ñ ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð² ÑÐµÑÐ²ÐµÑÐ°Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑÑ ÑÐ¾ÑÐ³Ð¾Ð²Ð¾Ð¹ ÑÐµÑÐ¸.
Fibrations and Stein Neighborhoods
Creators: name: Forstneric, Franc
name: Wold, Erlend Fornaess
Publisher: name: arXiv
Year: 2009
Subjects: subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: 32E05, 32E10, 32H02, 32V40

description: Let Z be a complex space and let S be a compact set in C^n x Z which is fibered over R^n (the real subspace of C^n). We give a necessary and sufficient condition for S to be a Stein compactum.
description: Proc. Amer. Math. Soc., to appear
Clinical anatomy of the caudal pancreatic arteries and their relevance in the surgery of the splenic trauma
Creators: name: Macchi, Veronica
name: Porzionato, Andrea
name: Picardi, Edgardo Enrico Edoardo
name: Stecco, Carla
name: Morra, Aldo
name: Bardini, Romeo
name: De Caro, Raffaele
Publisher: name: Italian Journal of Anatomy and Embryology
Year: 2014
Subjects: Spleen; Anatomy; Dissection; Radiological anatomy; Trauma

description: Splenectomy is the treatment of splenic trauma but is not exempt from intra-operative and post-operative complications. Conservative approach is preferred for paediatric population and for minor trauma. The aim of the present study was to evaluate the vascularisation of the tail of the pancreas, with particular reference to the presence of anastomosis between the pancreatic and splenic vessels, through an anatomoradiologic study performed on 9 unembalmed cadavers (age range 44-77 years). To obtain vascular corrosion casts, the splenic, the gastroduodenal and the superior mesenteric arteries were injected with acrylic and radioopaque resins and computed tomography (CT) of the specimens were acquired. The caudal pancreatic arteries (mean number ± standard deviation: 3.2 ± 2.4) were observable in all the casts, originating from the splenic artery at its distal third (70%) and from its inferior branch (30%). At CT scans analysis the mean calibre of caudal pancreatic arteries was 2.1 ± 1.1 mm. Anastomosis were found with great pancreatic artery in 20%, and with hilar splenic artery in 80%. The pattern of anastomosis between the pancreas tail and the spleen could allow the surgeon to close the splenic artery at the origin and also the short gastric and the left gastroepiploic arteries, in cases of splenic trauma, favouring the hemostasis and allowing splenic preservation at a same time.
description: Italian Journal of Anatomy and Embryology, Vol 119, No 2 (2014)
Constraints on Lorentz invariance violation from gamma-ray burst GRB090510
Creators: name: Xiao, Zhi
name: Ma, Bo-Qiang
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We obtain modified dispersion relations by requiring the vanishing of determinant of inverse of modified photon propagators in Lorentz invariance violation (LIV) theory. Inspired by these dispersion relations, we give a more general dispersion relation with less assumption and apply it to the recent observed gamma-ray burst GRB090510 to extract various constraints on LIV parameters. We find that the constraint on quantum gravity mass is slightly larger than the Planck mass but is consistent with the other recent observations, so the corresponding LIV coefficient $ξ_1$ has reached the natural order ($o(1)$) as one expects. From our analysis, the linear LIV corrections to photon group velocity might be not excluded yet.
description: 10 latex pages, no figures, version accepted for publication in PRD
title: Perilous Pilgrimage: A Lady’s Flight into the Rocky Mountain Wilderness
Creators: name: Koerner, Jane
Publisher: name: Utah State University
Year: 2010

description: “Perilous Pilgrimage: A Lady’s Flight into the Rocky Mountain Wilderness” is comprised of four thematically linked essays set in the Colorado Rockies. In these essays I probe my fascination with masculinity at an early age, the impact of my rape at age twenty-two, the dependency and resentment that undermined my marriage after the rape, and my quest after my divorce fifteen years later to define myself on my own terms. The link joining these strands is the tension between my drive for independence and my disassociation from my mind and body as a result of the rape.
“Perilous Pilgrimage” revisits three pivotal stages of my life: childhood, young adulthood, and middle age. As a youngster vacationing with my family in Rocky Mountain National Park, I was drawn to men who rescued lost hikers and climbed mountains. Fred Bowen, the caretaker of our rented cabin in the park, and the two California school teachers who were the first to conquer the Diamond on Longs Peak, appeared to have more freedom than I did as a middle-class girl growing up in the 1950s. That conviction was reinforced after I moved to Colorado at age seventeen. Four years later I graduated from college and began dating a man who introduced me to the thrill and terror of mountaineering. After leading me up numerous mountains, he became my husband, and we made our home in Manitou Springs, Colorado. Once married, I could no longer repress the unresolved issues of my rape and identity quest, and I revolted. At age thirty-nine, I embarked on a solo quest to reclaim that sense of wonder and independence I had felt as a child exploring Rocky Mountain National Park. Included in my essays are references to historical figures with similar urges as mine, such as the 19th-century English explorer George Augustus Ruxton and English travel writer Isabella Bird. My search for refuge and redemption in the Colorado Rockies replicated a centuries-old pattern.
Carenza di ferro per l’ammasso globulare
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2020

Al termine di osservazioni già programmate di altri oggetti vicini alla Via Lattea, al team guidato da Soren Larsen della Radboud University erano avanzate un paio d’ore di tempo al telescopio. Perché non sfruttarle per dare un’occhiata alla composizione di Rbc Ext8, si sono detti? È così che hanno scoperto quanto sia povero di metalli – ferro e magnesio innanzi tutto. Un risultato che mette in discussione la corrente teoria sugli ammassi globulari
title: ÐÐ½Ð½Ð¾Ð²Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ðµ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ðµ Ð½Ð°ÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾Ð¹ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐ¸ Ð¸ ÑÐµÐ»Ð¾Ð²ÐµÑÐµÑÐºÐ¸Ð¹ ÐºÐ°Ð¿Ð¸ÑÐ°Ð»
title: ÑÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ
titleType: Subtitle
Creators: name: ÐÐ¾ÑÐ¾Ð²Ð°, ÐÐ»Ð¸Ð·Ð°Ð²ÐµÑÐ°
name: ÐÐ°ÑÑÐºÐ¸Ð½, Ð¡ÐµÑÐ³ÐµÐ¹
name: ÐÐ°Ð»Ð¸Ð½Ð¸Ð½Ð°, ÐÐ»ÑÐ³Ð°
name: ÐÐ¾Ð½Ð½Ð¸ÐºÐ¾Ð², ÐÐ²Ð³ÐµÐ½Ð¸Ð¹
name: Ð¨Ð°Ð±Ð°Ð½, ÐÐ½ÑÐ¾Ð½
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2022
Subjects: Ð¸Ð½Ð½Ð¾Ð²Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ðµ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ðµ
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Phonon switching and combined Fano-Rice effect in optical spectra of bilayer graphene
Creators: name: Cappelluti, E.
name: Benfatto, L.
name: Kuzmenko, A. B.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Recent infrared measurements of phonon peaks in gated bilayer graphene reveal two striking signatures of electron-phonon interaction: an asymmetric Fano lineshape and a giant variation of the peak intensity as a function of the applied gate voltage. In this Letter we provide a unified theoretical framework which accounts for both these effects and unveils the occurrence of a switching mechanism between the symmetric ($E_g$) and anti-symmetric ($E_u$) phonon mode as dominant channel in the optical response. A complete phase diagram of the optical phonon response is also presented, as a function of both the charge density and the bandgap.
description: final version