cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Vulnerability of Shallow Aquifers of the Conterminous United States to Nitrate: Assessment of Methodologies
Creators: name: Kumarasamy, Karthik
Publisher: name: Utah State University
Year: 2007

description: Groundwater is an important natural resource for numerous human activities, accounting for more than 50% of the total water used in the United States. Groundwater is vulnerable to contamination by several organic and inorganic pollutants such as nitrate, heavy metals, and pesticides. Assessment of groundwater vulnerability aids in the management and protection of limited groundwater resources. The focus of this thesis is to (1) statistically compare two groundwater vulnerability assessment models; modified DRASTIC (Acronym for Depth to water, net Recharge, Aquifer media, Soil media, Topography, Impact of vadose zone, and hydraulic Conductivity of aquifer) and ordinal logistic regression for NO3- contamination of shallow groundwater of the US, (2) analyze any discrepancies in the predictability of each of these models, and (3) discuss the advantage of each of the above-mentioned models with respect to performance, data requirement, and its ability to predict vulnerability. Analysis of NO3- concentration in groundwater allows for a reliable comparison of the two models. The results from the OLR model indicate a better correlation between the observed and average predicted probabilities. A very low R2 value was obtained between the modified DRASTIC and nitrate concentration, indicating poor prediction capabilities and need for high resolution data. Limitation with respect to requirement of more data with respect to prediction is seen in both the methods.
title: A kinship network analysis of Palmyrene genealogies
Creators: name: Brughmans, Tom
name: Bobou, Olympia
name: Kristensen, Nathalia B.
name: Thomsen, Rikke R.
name: Jensen, Jesper V.
name: Seland, Eivind H.
name: Raja, Rubina
Publisher: name: Journal of Historical Network Research
Year: 2021

description: In this paper we study the potential and challenges of a formal network approach for the study of 1st to 3rd century AD kinship networks in ancient Palmyra (in present-day Syria). The recent availability of a large digitised archaeological dataset allows for a thorough reassessment of previously studied genealogies, and applying network and genealogical formal methods to these for the first time allows us to explore new questions: what is the genealogical completeness and gender bias in our sources, and to what degree was there a tendency for intermarriage within the extended family? We combine archaeological information from funerary portraits in the exhaustive database by the Palmyra Portrait Project with textual sources from funerary and public inscriptions, and critically evaluate the differences and limits of these sources for genealogical studies. Applying formal network and genealogical techniques to these datasets and comparing between five different case studies allows us to draw four key conclusions: (1) our sources reveal a high degree of genealogical incompleteness and gender bias; (2) the relinking index can enhance debates on endogamy and exogamy practices in ancient societies; (3) funerary and public inscriptions are highly complementary, and reveal different genealogical structures; (4) the assumptions behind creating uncertain relationships in funerary cases and their effects on quantitative results require careful qualitative scrutiny. This proof-of-concept study highlights the strong potential of this formal network approach for the study of ancient genealogies. It demonstrates a number of quantitative and qualitative approaches for understanding the limits of fragmentary archaeological and historical sources in this process, and it lays the foundation for formulating highly specified hypotheses about the structure of ancient Palmyrene kinship networks in future work.
description: Journal of Historical Network Research, Vol. 6 No. 1 (2021): Regular Issue
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¸ ÑÐ±Ð¾ÑÐºÐ¸ Ð¸ ÑÐ²Ð°ÑÐºÐ¸ ÑÐ°ÑÐ¿Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ° ÐºÑÐµÐ¿Ð»ÐµÐ½Ð¸Ñ ÐºÐ¾ÑÐ»Ð¾Ð²Ð°Ð½Ð°
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Ð»ÑÐ°Ð½Ð¾Ð², Ð Ð¾Ð±ÐµÑ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: ÑÑÑÐ½Ð°Ñ Ð´ÑÐ³Ð¾Ð²Ð°Ñ ÑÐ²Ð°ÑÐºÐ°
ÑÐ°ÑÐ¿Ð¾ÑÐ½ÑÐ¹ ÑÐ»ÐµÐ¼ÐµÐ½Ñ
ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÐ½Ð°Ñ ÐºÐ¾Ð½ÑÑÑÑÐºÑÐ¸Ñ
ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÐºÐ°ÑÐµÑÑÐ²Ð°

description: Ð ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÐ²Ð¾Ð¹ÑÑÐ²Ð° ÑÐ²Ð°ÑÐ½ÑÑ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð¾Ð², Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ Ð¾Ð±Ð·Ð¾Ñ ÑÑÑÐ½Ð¾Ð¹ Ð´ÑÐ³Ð¾Ð²Ð¾Ð¹ ÑÐ²Ð°ÑÐºÐ¸, ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ñ ÑÐµÐ¶Ð¸Ð¼Ñ ÑÐ²Ð°ÑÐºÐ¸, Ð²ÑÐ±ÑÐ°Ð½Ð¾ ÑÐ²Ð°ÑÐ¾ÑÐ½Ð¾Ðµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ, Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð° Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ Ð¾ Ð¼ÐµÑÐ¾Ð´Ð°Ñ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÐºÐ°ÑÐµÑÑÐ²Ð°, ÑÐ°ÑÐºÑÑÑÑ Ð²Ð¾Ð¿ÑÐ¾ÑÑ Ð¿Ð¾ Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐ¸ ÑÐ°Ð±Ð¾Ñ Ð² ÑÐ²Ð°ÑÐ¾ÑÐ½Ð¾Ð¼ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ðµ.
title: Distribution de l’information et stratégies relationnelles dans le corpus de correspondances amarniennes : approche par l’analyse de réseaux
Creators: name: Dutrey, Clément
Publisher: name: Journal of Historical Network Research
Year: 2021

description: The present work employs network analysis to investigate the relationships between the great kings of the Near-East (Egypt, Mitanni, Hatti, Alashiya, Babylonia) and the mayors of the Syro-Palestinian region from the very end of the Amenhotep III reign to the beginning of Amenhotep IV-Akhenaten reign. Data are extracted from a sample of 83 letters from the el-Amarna corpus of correspondences discovered in Egypt (14th century B.C.). We focus on the distribution of information (actors and links) in the Amarna letters and how this distribution influences the shape of the egyptian king’s personnal network. Through a holistic approach, we highlight different groups of interactions and analyse their relationnal properties. Futhermore, we show which type of interaction is predominant according to each group. Observations suggest that trade flows monopolize the attention of the great kings who organize their close networks around these exchanges. On the other hand, the mayors of the Syro-Palestinian corridor are integrated into a network structured around warlike concerns. This structure is distorted by the rise of the Amurru in northern Lebanon, which leads to a polarization of relations towards two antagonists: Rib-Hadda, the mayor of Byblos and Abdi-Aširta, a local warlord. On an individual level, we analyse closely the strategies of the two opponents with the support of correlative analysis QAP. The study concludes by discussing possible developments based on this dataset.
description: Journal of Historical Network Research, Vol. 6 No. 1 (2021): Regular Issue
title: Mountain Pine Beetle Fecundity and Offspring Size Differ Among Lodgepole Pine and Whitebark Pine Hosts
Creators: name: Gross, Donovan
Publisher: name: Utah State University
Year: 2008

description: Whitebark pine (Pinus albicaulis Engelmann) is a treeline species in the central Rocky Mountains. Its occupation of high elevations previously protected whitebark pine from long-term mountain pine beetle outbreaks. The mountain pine beetle, however, is currently reaching outbreaks of record magnitude in high-elevation whitebark pine. We used a factorial laboratory experiment to compare mountain pine beetle (Dendroctonus ponderosae Hopkins) life history characteristics between a typical host, lodgepole pine (Pinus contorta Engelmann), and whitebark pine. We tested the effects of natal host and brood host on beetle fecundity, offspring size, and brood sex-ratio. We reared mountain pine beetles from whitebark pine and from lodgepole pine, and infested half of them into their natal host and half into the other host. Fecundity was greater overall in lodgepole pine brood hosts. Among lodgepole brood hosts, beetles from whitebark pine had greater fecundity. Fecundity was also significantly related to phloem thickness, which was greater in lodgepole pine. Offspring were larger from whitebark brood hosts than from lodgepole, regardless of their parents’ natal host. Finally, sex-ratio was closer to 1:1 in lodgepole than in whitebark brood hosts. We conclude that host species affects life history of mountain pine beetle with consequences for individual beetle fitness.
title: Combining Environmental History and Soil Phytolith Analysis at the City of Rocks National Reserve: Developing New Methods in Historical Ecology
Creators: name: Morris, Lesley
Publisher: name: Utah State University
Year: 2008

description: Historical ecology is an emerging and interdisciplinary field that seeks to explain the changes in ecosystems over time through a synthesis of information derived from human records and biological data. The methods in historical ecology cover a wide range of temporal and spatial scales. However, methods for the more recent past (about 200 years) are largely limited to the human archive and dendrochronological evidence which can be subject to human bias, limited in spatial extent or not appropriate for non-forested systems. There is a need to explore new methods by which biological data can be used to understand historic vegetation and disturbance regimes over the recent past especially in arid ecosystem types. Soil phytolith analysis has the potential to provide much needed information regarding historical conditions in both areas. Phytoliths are structures formed in plants through deposition and accumulation of silica within and around cell walls that are released from plants and preserved in sediments long after death and decay of plant material. The City of Rocks National Reserve in southern Idaho was an excellent place to develop new methods in historical ecology because the human records of historic environmental conditions were so rich. There were two overarching and interconnected objectives for this dissertation research. The first was to reconstruct an ecological history of the City of Rocks National Reserve from the period of overland emigration to present. The second objective was to explore the utility of soil phytolith analysis for inferring vegetation and disturbance regime change over the recent past by testing its sensitivity to record known changes. I employed modern analogue studies, a multi-core approach and detailed core analysis to test for known changes through analysis of extraction weights, relative abundance of phytolith assemblages, microscopic charcoal and burned (darkened) phytoliths. My results showed that this combination of history and soil phytolith analysis would be a useful approach for inferring vegetation changes (e.g. increases in introduced grasses) and disturbances (e.g. fire) in ecological histories.
title: Particle Characterization and Concentration Using Aerodynamic Vectoring
Creators: name: Humes, Zac
Publisher: name: Utah State University
Year: 2008

description: An experimental demonstration of a new, non-contact particle characterization technique called Aerodynamic Vectoring Particle Sorting (AVPS) is presented. AVPS uses secondary blowing and suction control flows'flows that are a fraction of the jet flow rate'to sharply change the direction of a planar, particle-laden jet. As the jet is vectored, particles present in the flow experience a resultant drag force, dependent upon their size, that balances inertia. Since this balance determines the particle's trajectory, vectoring the flow leads to a separation of particles downstream. This simple, low-pressure-drop sorting technique classifies particles with less risk of damage or contamination than currently available sorting devices. AVPS is also shown to be capable of concentrating aerosols. Our measurements indicate that an air sample containing water-like particles can be concentrated by a factor of 10 using AVPS.
title: ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ ÑÑÐ½Ð¾ÑÐ½Ð¾Ð¹ ÑÑÐ¾Ð¸Ð¼Ð¾ÑÑÐ¸ Ð·ÐµÐ¼ÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÐ°ÑÑÐºÐ°
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ÐµÑÐ¸Ð½Ð¾Ð², ÐÐ°Ð»ÐµÑÐ¸Ð¹
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°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½ÐºÐ°
Ð·ÐµÐ¼ÐµÐ»ÑÐ½ÑÐ¹ ÑÑÐ°ÑÑÐ¾Ðº
Ð´Ð¾Ñ Ð¾Ð´Ð½ÑÐ¹ Ð¿Ð¾Ð´Ñ Ð¾Ð´
ÑÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð¿Ð¾Ð´Ñ Ð¾Ð´
ÑÐ¾Ð³Ð»Ð°ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ¾Ð²

description: ÐÐ±ÑÐµÐºÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð´Ð°Ð½Ð½Ð¾Ð¹ Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ ÑÐ²Ð»ÑÐµÑÑÑ Ð·ÐµÐ¼ÐµÐ»ÑÐ½ÑÐ¹ ÑÑÐ°ÑÑÐ¾Ðº Ð¿ÑÐ°Ð²Ð¸Ð»ÑÐ½Ð¾Ð¹ Ð¿ÑÑÐ¼Ð¾ÑÐ³Ð¾Ð»ÑÐ½Ð¾Ð¹ ÑÐ¾ÑÐ¼Ñ, Ð¿Ð»Ð¾ÑÐ°Ð´ÑÑ 900 ÐºÐ². Ð¼.
 Ð¦ÐµÐ»ÑÑ Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ ÑÐ²Ð»ÑÐµÑÑÑ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ ÑÑÐ½Ð¾ÑÐ½Ð¾Ð¹ ÑÑÐ¾Ð¸Ð¼Ð¾ÑÑÐ¸ Ð¾Ð±ÑÐµÐºÑÐ° Ð½ÐµÐ´Ð²Ð¸Ð¶Ð¸Ð¼Ð¾Ð³Ð¾ Ð¸Ð¼ÑÑÐµÑÑÐ²Ð°, ÑÐ°ÑÐ¿Ð¾Ð»Ð¾Ð¶ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¾ Ð°Ð´ÑÐµÑÑ: ÐÐµÐ½Ð¸Ð½Ð³ÑÐ°Ð´ÑÐºÐ°Ñ Ð¾Ð±Ð»Ð°ÑÑÑ, ÐÑÐ¶ÑÐºÐ¸Ð¹ ÑÐ°Ð¹Ð¾Ð½, ÐÑÐ¸Ð½ÑÐºÐ¾Ðµ ÑÐµÐ»ÑÑÐºÐ¾Ðµ Ð¿Ð¾ÑÐµÐ»ÐµÐ½Ð¸Ðµ, ÑÐ°Ð´Ð¾Ð²Ð¾Ð´ÑÐµÑÐºÐ¾Ðµ Ð½ÐµÐºÐ¾Ð¼Ð¼ÐµÑÑÐµÑÐºÐ¾Ðµ ÑÐ¾Ð²Ð°ÑÐ¸ÑÐµÑÑÐ²Ð¾ âÐ¡ÐºÐ°Ð·ÐºÐ°â.
 Ð ÑÐ¾Ð´Ðµ ÑÐ°Ð±Ð¾ÑÑ, Ð±ÑÐ» Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½Ð¾ÑÐ½Ð¾Ð¹ ÑÑÐ¾Ð¸Ð¼Ð¾ÑÑÐ¸ Ð¸ÑÑÐ»ÐµÐ´ÑÐµÐ¼Ð¾Ð³Ð¾ Ð¾Ð±ÑÐµÐºÑÐ°, ÑÐ°ÐºÐ¶Ðµ Ð±ÑÐ»Ð¸ Ð²ÑÑÐ²Ð»ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ Ð¾ÑÐµÐ½Ð¸Ð²Ð°ÐµÐ¼Ð¾Ð³Ð¾ Ð·ÐµÐ¼ÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÐ°ÑÑÐºÐ° Ð¸ ÐµÐ³Ð¾ Ð±Ð»Ð¸Ð¶Ð°Ð¹ÑÐµÐ³Ð¾ Ð¾ÐºÑÑÐ¶ÐµÐ½Ð¸Ñ, Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½ÐºÐ° Ð¿Ð¾ Ð Ð¾ÑÑÐ¸Ð¸, Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³Ð° Ð¸ ÐÐµÐ½Ð¸Ð½Ð³ÑÐ°Ð´ÑÐºÐ¾Ð¹ Ð¾Ð±Ð»Ð°ÑÑÐ¸, Ð² ÑÐ°ÑÑÐ½Ð¾ÑÑÐ¸.
 Ð¢Ð°ÐºÐ¶Ðµ Ð² ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´Ð¸Ð»Ð°ÑÑ Ð¾ÑÐµÐ½ÐºÐ° Ð·ÐµÐ¼ÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÐ°ÑÑÐºÐ°, Ñ Ð¿Ð¾Ð¼Ð¾ÑÑÑ Ð´Ð¾ÑÐ¾Ð´Ð½Ð¾Ð³Ð¾ Ð¸ ÑÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ Ð¿Ð¾Ð´ÑÐ¾Ð´Ð¾Ð².
DEIMS-SDR Site Data Model Snapshot
Creators: name: Christoph, Wohner
Publisher: name: Zenodo
Year: 2022
Subjects: DEIMS-SDR
data model
UML

description: This XMI file represents a snapshot of the site data model in UML as it is implemented in DEIMS-SDR (deims.org). It represents the status as of February 2022. For the latest version of the site data model of DEIMS-SDR, please refer to https://deims.org/models/?id=site
title: Ð¢ÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÑÐ°Ð»Ð¸ "ÐÐ¾Ð»ÐµÑÐ¾ Ð·ÑÐ±ÑÐ°ÑÐ¾Ðµ"
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¸ÐºÐ¾Ð»Ð°ÐµÐ², ÐÐ¸ÑÐ°Ð¸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: 2017
Subjects: Ð´ÐµÑÐ°Ð»Ñ
ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ
ÑÐµÐ¶ÑÑÐ¸Ð¹ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½Ñ
ÑÐµÑÐ²ÑÑÐ½Ð°Ñ ÑÑÐµÐ·Ð°
Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾Ðµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾
Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð°ÑÐ¸Ñ
ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ Ð¼ÐµÑÑÐ¸ÐºÐ¾Ð²
ÑÐ¸ÐºÐ»Ð¾Ð³ÑÐ°Ð¼Ð¼Ð°
Ð½Ð¾ÑÐ¼Ñ Ð²ÑÐµÐ¼ÐµÐ½Ð¸
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Ð¼ÐµÑ Ð°Ð½Ð¸ÑÐµÑÐºÐ°Ñ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ°
ÑÐµÐ¶Ð¸Ð¼Ñ ÑÐµÐ·Ð°Ð½Ð¸Ñ

description: Ð Ð¿ÐµÑÐ²Ð¾Ð¼ ÑÐ°Ð·Ð´ÐµÐ»Ðµ Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ° Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÑÐ°Ð»Ð¸ Â«ÐÐ¾Ð»ÐµÑÐ¾ Ð·ÑÐ±ÑÐ°ÑÐ¾ÐµÂ»: Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¸ÑÑÐ¾Ð´Ð½ÑÐµ Ð´Ð°Ð½Ð½ÑÐµ, Ð¾ÑÑÑÐµÑÑÐ²Ð»ÐµÐ½ Ð²ÑÐ±Ð¾Ñ Ð¼ÐµÑÐ¾Ð´Ð° Ð¿Ð¾Ð»ÑÑÐµÐ½Ð¸Ñ Ð·Ð°Ð³Ð¾ÑÐ¾Ð²ÐºÐ¸, Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð´ÐµÑÐ°Ð»Ð¸, Ð²ÑÐ±Ð¾Ñ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð¾ÑÐ½Ð°ÑÑÐºÐ¸, ÑÐµÐ¶ÑÑÐµÐ³Ð¾ Ð¸ Ð²ÑÐ¿Ð¾Ð¼Ð¾Ð³Ð°ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÐ°, ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ñ ÑÐµÐ¶Ð¸Ð¼Ñ ÑÐµÐ·Ð°Ð½Ð¸Ñ Ð´Ð»Ñ Ð¾Ð¿ÐµÑÐ°ÑÐ¸Ð¹, ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ñ Ð½Ð¾ÑÐ¼Ñ Ð²ÑÐµÐ¼ÐµÐ½Ð¸ Ð´Ð»Ñ Ð¾Ð¿ÐµÑÐ°ÑÐ¸Ð¹ Ð¸ ÑÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸. ÐÐ¾ Ð²ÑÐ¾ÑÐ¾Ð¼ ÑÐ°Ð·Ð´ÐµÐ»Ðµ ÑÐ°Ð±Ð¾ÑÑ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ ÑÑÐ¸ Ð¿Ð¾Ð´ÑÐ°Ð·Ð´ÐµÐ»Ð°: Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ°ÑÐ¾Ð½Ð½Ð¾Ð³Ð¾ Ð¿ÑÐ¸Ð·Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐµÐ·ÑÐ°, Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ° Ð¼ÐµÑÑÐ¸ÐºÐ¾Ð² Ð¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐµÑÐ½Ð¾Ð²Ð¾Ð¹ ÑÐµÑÐ²ÑÑÐ½Ð¾Ð¹ ÑÑÐµÐ·Ñ Ð´Ð»Ñ Ð½Ð°ÑÐµÐ·Ð°Ð½Ð¸Ñ ÑÐ¸Ð»Ð¸Ð½Ð´ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð·ÑÐ±ÑÐ°ÑÑÑ ÐºÐ¾Ð»ÑÑ. Ð ÑÑÐµÑÑÐµÐ¼ ÑÐ°Ð·Ð´ÐµÐ»Ðµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾-ÑÐ°Ð·Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð° Ð´Ð»Ñ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð°ÑÐ¸Ð¸ ÑÐ¾ÑÐµÐ½Ð¸Ñ Ð¿ÑÐ¾ÑÐ¾ÑÐºÐ¸ Ð½Ð° Ð´ÐµÑÐ°Ð»Ð¸ ÑÐ¸Ð¿Ð° Â«ÐÑÑÐ»ÐºÐ°Â». ÐÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ ÑÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð½ÐµÑÐºÐ¾Ð»ÑÐºÐ¸Ñ ÑÑÑÑÐºÑÑÑÐ½ÑÑ ÑÑÐµÐ¼ Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½ÑÑ ÑÑÑÑÐ¾Ð¹ÑÑÐ², ÑÐ°ÑÑÑÐ¸ÑÐ°Ð½Ñ Ð³ÐµÐ¾Ð¼ÐµÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÑ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÑÐµÐ¼Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°, ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° ÑÑÐµÐ¼Ð° Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼Ð° Ð¿Ð¾ÑÑÑÑÐ½Ð¾Ð¹ Ð²ÑÐ´Ð°ÑÐ¸ Ð¸ Ð¾ÑÑÑÐµÑÑÐ²Ð»ÐµÐ½ Ð²ÑÐ±Ð¾Ñ Ð¿ÑÐ¸Ð²Ð¾Ð´Ð° Ð´Ð¾ÑÑÐ»Ð°ÑÐµÐ»Ñ. ÐÑÐ±ÑÐ°Ð½ Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼ ÑÐ±Ð¾ÑÐ° Ð³Ð¾ÑÐ¾Ð²ÑÑ Ð¸Ð·Ð´ÐµÐ»Ð¸Ð¹, Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð° ÑÐ¸ÐºÐ»Ð¾Ð³ÑÐ°Ð¼Ð¼Ð° ÑÐ°Ð±Ð¾ÑÑ Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾-ÑÐ°Ð·Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°.
Forward-Backward Asymmetry of Top Quark Pair Production
Creators: name: Cao, Qing-Hong
name: McKeen, David
name: Rosner, Jonathan L.
name: Shaughnessy, Gabe
name: Wagner, Carlos E. M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We adopt a Markov Chain Monte Carlo method to examine various new physics models which can generate the forward-backward asymmetry in top quark pair production observed at the Tevatron by the CDF Collaboration. We study the following new physics models: (1) exotic gluon $G^\prime$, (2) extra $Z^\prime$ boson with flavor-conserving interaction, (3) extra $Z^\prime$ with flavor-violating $u$-$t$-$Z^\prime$ interaction, (4) extra $W^\prime$ with flavor-violating $d$-$t$-$W^\prime$ interaction, and (5) extra scalars $S$ and $S^\pm$ with flavor-violating $u$-$t$-$S$ and $d$-$t$-$S^\pm$ interactions. After combining the forward-backward asymmetry with the measurement of the top pair production cross section and the $t\bar{t}$ invariant mass distribution at the Tevatron, we find that an axial vector exotic gluon $G^\prime$ of mass about $1 {\rm TeV}$ or $2 {\rm TeV}$ or a $W^\prime$ of mass about $2 {\rm TeV}$ offer an improvement over the Standard Model. The other models considered do not fit the data significantly better than the Standard Model. We also emphasize a few points which have been long ignored in the literature for new physics searches: (1) heavy resonance width effects, (2) renormalization scale dependence, and (3) NLO corrections to the $t\bar{t}$ invariant mass spectrum. We argue that these three effects are crucial to test or exclude new physics effects in the top quark pair asymmetry.
description: 46 pages, 20 figures
Molecular and compact four-quark states
Creators: name: Valcarce, A.
name: Vijande, J.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study charmonium ($c\bar c n\bar n$), bottomonium ($b\bar b n\bar n$) and exotic ($cc\bar n\bar n$ and $bb\bar n\bar n$) four-quark states by means of a standard non-relativistic quark potential model. We look for possible bound states. Among them we are able to distinguish between meson-meson molecules and compact four-quark states.
description: 4 pages, 1 figure, invited parallel talk at the 5th International Conference on Quarks and Nuclear Physics (QNP09), Beijing, September 21-26, 2009.To be published in Chinese Physics C
title: Long-Term Effectiveness of Brief Multiple-Stimulus Without Replacement Preference Assessments on Individualized Education Plan Reading Progress of Students with Severe Disabilities
Creators: name: Thornton, Heather C
Publisher: name: Utah State University
Year: 2008

description: To teach operant behaviors to individuals with severe disabilities, stimulus preference assessment (SPA) methods have been developed to accurately identify stimuli that may function as reinforcers. Previous researchers have used multiple-stimulus preference assessments without replacement (MSWO) effectively over a short time period to teach target behaviors to individuals with disabilities. The present study investigated the long-term effects of incorporating brief MSWO preference assessments into the instructional routine for students with severe disabilities on individualized education plan reading goal/objective progress. This was done by investigating the effectiveness of incorporating brief MSWO preference assessments by comparing reading goal progress when a random reinforcer is available, teacher- selected reinforcer is available, or a student-selected reinforcer (via a brief MSWO preference assessment) is available over several weeks for students with severe disabilities in a secondary public school classroom setting.
Dunkl Hyperbolic Equations
Creators: name: Mejjaoli, Hatem
Publisher: name: arXiv
Year: 2008
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We introduce and study the Dunkl symmetric systems. We prove the well-posedness results for the Cauchy problem for these systems. Eventually we describe the finite speed of it. Next the semi-linear Dunkl-wave equations are also studied.
description: This is a contribution to the Special Issue on Dunkl Operators and Related Topics, published in SIGMA (Symmetry, Integrability and Geometry: Methods and Applications) at http://www.emis.de/journals/SIGMA/
title: An Investigation of the Effects of Differential Reinforcement of Alternative Behavior on Students with Mild/Moderate Disabilities in a School Classroom
Creators: name: Spangenberg, Katrina
Publisher: name: Utah State University
Year: 2008

description: This study investigated the effects of differential reinforcement of alternative behavior (DRA), a behavior reduction procedure, on problem behavior exhibited by three elementary school students in a general education classroom. DRA involves reinforcement of an alternative behavior while withholding reinforcement for the inappropriate behavior. The three participants were classified as experiencing mild/moderate disabilities but received most services (and participated in this research) in a general education classroom. Problem behaviors included off-task, talk-outs, and inappropriate touching. Alternative behaviors included on-task and hand-raising to get teacher attention. Results indicated that DRA decreased off-task and talk-out behavior for two participants, although effects were variable. Results for a third participant indicated minimal effects on reduction of both off-task and inappropriate touching behaviors. For two participants, differential reinforcement of lower rates of behavior (DRL) was implemented following DRA in attempt to establish stimulus control over problem behavior. However, results of the DRL intervention were mixed. Results are discussed in terms of differences between investigating the effects DRA in classroom versus clinic settings and establishing and maintaining contingencies for reinforcement.
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÐ¼ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ñ ÐºÐ½Ð¸Ð¶Ð½Ð¾Ð³Ð¾ Ð¼Ð°Ð³Ð°Ð·Ð¸Ð½Ð°.
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¾Ð»Ð¸ÐºÐ°ÑÐ¿Ð¾Ð²Ð°, ÐÑÐ¸Ð½Ð°
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¸ÑÐ¼ÐµÐ½Ð½ÑÐ¹ ÑÑÐ¸Ð»Ñ
Ð½ÐµÐ¹Ð¼Ð¸Ð½Ð³
Ð±ÑÐµÐ½Ð´Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
Ð»Ð¾Ð³Ð¾ÑÐ¸Ð¿

description: ÐÐ±ÑÐµÐºÑÐ¾Ð¼ ÑÐ°Ð±Ð¾ÑÑ ÑÐ²Ð»ÑÐµÑÑÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð»Ð¾Ð³Ð¾ÑÐ¸Ð¿Ð° Ð¸ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² ÑÐ¸ÑÐ¼ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ñ ÐºÐ½Ð¸Ð¶Ð½Ð¾Ð³Ð¾ Ð¼Ð°Ð³Ð°Ð·Ð¸Ð½Ð°. Ð¦ÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÑ - Ð¿ÑÐ¾Ð²ÐµÑÑÐ¸ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð°Ð½Ð°Ð»Ð¾Ð³Ð¾Ð² Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°ÑÑ ÑÐ¸ÑÐ¼ÐµÐ½Ð½ÑÐ¹ ÑÑÐ¸Ð»Ñ Ð´Ð»Ñ ÐºÐ½Ð¸Ð¶Ð½Ð¾Ð³Ð¾ Ð¼Ð°Ð³Ð°Ð·Ð¸Ð½Ð°. Ð Ð¿ÑÐ¾ÑÐµÑÑÐµ ÑÐ°Ð±Ð¾ÑÑ Ð±ÑÐ» Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð¾Ð±Ð·Ð¾Ñ Ð°Ð½Ð°Ð»Ð¾Ð³Ð¾Ð², ÑÑÑÐµÐ½Ñ Ð¸Ñ Ð¾ÑÐ¸Ð±ÐºÐ¸ Ð¸ Ð¿Ð¾Ð»Ð¾Ð¶Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð¾Ð¿ÑÑ. Ð ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð±ÑÐ»Ð¸ Ð¿ÑÐ¸Ð´ÑÐ¼Ð°Ð½Ñ Ð½Ð°Ð·Ð²Ð°Ð½Ð¸Ñ, Ð´Ð»Ñ ÐºÐ°Ð¶Ð´Ð¾Ð³Ð¾ Ð¸Ð· ÐºÐ¾ÑÐ¾ÑÑÑ ÑÐ¾Ð·Ð´Ð°Ð½ Ð»Ð¾Ð³Ð¾ÑÐ¸Ð¿ Ð¸ ÑÐ»ÐµÐ¼ÐµÐ½ÑÑ ÑÐ¸ÑÐ¼ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ñ, Ð´Ð°Ð»ÐµÐµ Ð²ÑÐ±ÑÐ°Ð½Ð¾ Ð½Ð°Ð¸Ð±Ð¾Ð»ÐµÐµ Ð¿ÐµÑÑÐ¿ÐµÐºÑÐ¸Ð²Ð½Ð¾Ðµ. ÐÐ¾Ð³Ð¾ÑÐ¸Ð¿ Ð±ÑÐ» ÑÑÐ°ÑÐµÐ»ÑÐ½Ð¾ Ð¿ÑÐ¾ÑÐ°Ð±Ð¾ÑÐ°Ð½, Ð´Ð»Ñ ÑÐ¸ÑÐ¼ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ñ Ð±ÑÐ»Ð¸ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ ÐºÐ¾ÑÐ¿Ð¾ÑÐ°ÑÐ¸Ð²Ð½ÑÐµ ÑÐ²ÐµÑÐ°, ÑÑÐ¸ÑÑÑ, Ð½Ð°ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ñ Ð´ÑÑÐ³Ð¸Ðµ ÑÑÐ¸Ð»ÐµÐ¾Ð±ÑÐ°Ð·ÑÑÑÐ¸Ðµ ÑÐ»ÐµÐ¼ÐµÐ½ÑÑ. ÐÐ°Ð»ÐµÐµ Ð±ÑÐ»Ð¸ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ Ð½Ð¾ÑÐ¸ÑÐµÐ»Ð¸ ÑÐ¸ÑÐ¼ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ñ, ÑÐ¾Ð·Ð´Ð°Ð½Ð¾ Ð½ÐµÑÐºÐ¾Ð»ÑÐºÐ¾ Ð²Ð°ÑÐ¸Ð°Ð½ÑÐ¾Ð² Ð±ÑÐµÐ½Ð´Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ, Ð²ÑÐ±ÑÐ°Ð½Ñ Ð½Ð°Ð¸Ð±Ð¾Ð»ÐµÐµ Ð¿Ð¾Ð´ÑÐ¾Ð´ÑÑÐµÐµ ÑÐµÑÐµÐ½Ð¸Ðµ. Ð¡ÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½ ÑÐµÐ»ÑÐ½ÑÐ¹ Ð¾Ð±ÑÐ°Ð· Ð´Ð»Ñ Ð¼Ð°Ð³Ð°Ð·Ð¸Ð½Ð° Ð¿ÑÐ¸ Ð¿Ð¾Ð¼Ð¾ÑÐ¸ Ð±ÑÐµÐ½Ð´Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð´ÐµÐ»Ð¾Ð²Ð¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸, Ð½Ð°Ð²Ð¸Ð³Ð°ÑÐ¸Ð¸, ÑÐ¸ÑÐ¼ÐµÐ½Ð½Ð¾Ð¹ Ð¾Ð´ÐµÐ¶Ð´Ñ, ÑÑÐ²ÐµÐ½Ð¸ÑÐ½Ð¾Ð¹ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸.
title: Hydrogen Production Using Geothermal Energy
Creators: name: Hand, Theodore Wayne
Publisher: name: Utah State University
Year: 2008

description: With an ever-increasing need to find alternative fuels to curb the use of oil in the world, many sources have been identified as alternative fuels. One of these sources is hydrogen. Hydrogen can be produced through an electro-chemical process. The objective of this report is to model an electrochemical process and determine gains and or losses in efficiency of the process by increasing or decreasing the temperature of the feed water. In order to make the process environmentally conscience, electricity from a geothermal plant will be used to power the electrolyzer. Using the renewable energy makes the process of producing hydrogen carbon free. Water considerations and a model of a geothermal plant were incorporated to achieve the objectives. The data show that there are optimal operating characteristics for electrolyzers. There is a 17% increase in efficiency by increasing the temperature from 20ºC to 80ºC. The greater the temperature the higher the efficiencies, but there are trade-offs with the required currents.
Experimental generation of pseudo bound entanglement
Creators: name: Kampermann, H.
name: Peng, X.
name: Bruss, D.
name: Suter, D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We use Nuclear Magnetic Resonance (NMR) to experimentally generate a bound entangled (more precisely: pseudo bound entangled) state, i.e. a quantum state which is non-distillable but nevertheless entangled. Our quantum system consists of three qubits. We characterize the produced state via state tomography to show that the created state has a positive partial transposition with respect to any bipartite splitting, and we use a witness operator to prove its entanglement.
description: 5 pages
title: ÐÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ°ÑÑÐµÑÐ° Ð»Ð¾ÐºÐ°Ð»ÑÐ½ÑÑ ÑÐºÐ¾ÑÐ¾ÑÑÐµÐ¹ Ð»ÐµÐ½ÑÑ ÐºÐ¾Ð½Ð²ÐµÐ¹ÐµÑÐ° ÐºÐ°Ðº Ð²Ñ Ð¾Ð´Ð½Ð¾Ð³Ð¾ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÐ° Ð Ð¡Ð£
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: Simulated base approach to dynamically calculate local belt speeds of conveyor belt systems as an input parameter for a distributed control system
Creators: name: ÐÐ°ÑÑÐµÐ², 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: 2018
Subjects: ÐÐ¾Ð½Ð²ÐµÐ¹ÐµÑÑ
Ð­Ð»ÐµÐºÑÑÐ¾Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»Ð¸ ÑÑÐ³Ð¾Ð²ÑÐµ
IT-ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¸

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ñ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾Ð½Ð²ÐµÐ¹ÐµÑÐ½ÑÑ ÑÐ¸ÑÑÐµÐ¼Ñ, Ð´Ð°Ð½Ñ Ð¾Ð±ÑÐ¸Ðµ Ð¿Ð¾Ð½ÑÑÐ¸Ñ Ð¸ ÐºÐ»Ð°ÑÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ ÐºÐ¾Ð½Ð²ÐµÐ¹ÐµÑÐ½ÑÑ ÑÐ¸ÑÑÐµÐ¼. ÐÑÐµÐ½ÐµÐ½Ð° Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑ Ð¿ÐµÑÐµÑÐ¾Ð´Ð° Ð¾Ñ ÑÐµÐ½ÑÑÐ°Ð»Ð¸Ð·Ð¾Ð²Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ðº Ð´ÐµÑÐµÐ½ÑÑÐ°Ð»Ð¸Ð·Ð¾Ð²Ð°Ð½Ð½Ð¾Ð¹, Ð²ÑÑÐ²Ð»ÐµÐ½Ñ ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ðµ Ð·Ð°ÑÑÐ°ÑÑ ÑÐ°ÐºÐ¾Ð³Ð¾ Ð¿ÐµÑÐµÑÐ¾Ð´Ð°, ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð½ÐµÑÐºÐ¾Ð»ÑÐºÐ¾ Ð²Ð°ÑÐ¸Ð°Ð½ÑÐ¾Ð² Ð°ÑÑÐ¸ÑÐµÐºÑÑÑ Ð´ÐµÑÐµÐ½ÑÑÐ°Ð»Ð¸Ð·Ð¾Ð²Ð°Ð½Ð½ÑÑ ÑÐ¸ÑÑÐµÐ¼ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ. ÐÐ° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð¾Ð±ÑÐµÐ³Ð¾ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ð° ÑÐ¾Ð·Ð´Ð°Ð½Ñ Ð¸ Ð¿ÑÐ¾ÑÐµÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ñ ÑÐµÐ½ÑÑÐ°Ð»Ð¸Ð·Ð¾Ð²Ð°Ð½Ð½Ð°Ñ Ð¸ Ð´ÐµÑÐµÐ½ÑÑÐ°Ð»Ð¸Ð·Ð¾Ð²Ð°Ð½Ð½ÑÐµ Ð¼Ð¾Ð´ÐµÐ»Ð¸. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ¾Ð².
description: In the given work basic principles of conveyor belt systemâs simulation is considered. The general concepts are given. The possibility and technical costs of transfer to decentralize from centralized control system are estimated. Several approaches of decentralized control systems are developed and tested. The analysis of results has been done.
Kondo behavior, ferromagnetic correlations, and crystal fields in the heavy Fermion compounds Ce3X (X=In, Sn)
Creators: name: Wang, C. H.
name: Lawrence, J. M.
name: Christianson, A. D.
name: Goremychkin, E. A.
name: Fanelli, V. R.
name: Gofryk, K.
name: Bauer, E. D.
name: Ronning, F.
name: Thompson, J. D.
name: de Souza, N. R.
name: Kolesnikov, A. I.
name: Littrell, K. C.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report measurements of inelastic neutron scattering, magnetic susceptibility, magnetization, and the magnetic field dependence of the specific heat for the heavy Fermion compounds Ce$_3$In and Ce$_3$Sn. The neutron scattering results show that the excited crystal field levels have energies $E_1$ = 13.2 meV, $E_2$ = 44.8 meV for Ce$_3$In and $E_1$ = 18.5 meV, $E_2$ = 36.1 meV for Ce$_3$Sn. The Kondo temperature deduced from the quasielastic linewidth is 17 K for Ce$_3$In and 40 K for Ce$_3$Sn. The low temperature behavior of the specific heat, magnetization, and susceptibility can not be well-described by J=1/2 Kondo physics alone, but require calculations that include contributions from the Kondo effect, broadened crystal fields, and ferromagnetic correlations, all of which are known to be important in these compounds. We find that in Ce$_3$In the ferromagnetic fluctuation makes a 10-15 % contribution to the ground state doublet entropy and magnetization. The large specific heat coefficient $γ$ in this heavy fermion system thus arises more from the ferromagnetic correlations than from the Kondo behavior.
description: 8 pages, 6 figures
An examination of military veteran health and well-being following transition from the armed forces, and the role of physical activity
Creators: name: Waldhauser, Katrina J.
Publisher: name: University of British Columbia
Year: 2024

description: During transition from the military, veterans are at notable risk of mental and physical health deficits as they navigate their new civilian identity. The overall purpose of my doctoral dissertation research was to further understand the transition period, and in particular, examine whether physical activity can serve as a viable means of supporting the health and well-being of veterans after release from the military. To accomplish these objectives, the first study of my dissertation used a combination of mixture growth modeling and random forest analysis to examine several potential predictors of adjustment to life after service among Canadian military veterans using data derived from the Life After Service Survey (LASS). The results revealed several important predictors of adjusting well after transition including life satisfaction, mastery, mental health, body mass index, age, social support, general health, satisfaction with one’s main activity (e.g., employment, retirement) and finances, and income. The LASS did not examine the potential effects of physical activity (a modifiable health behaviour found to buffer against mental health deficits in other populations) during this transition period. To address this, my second study used parallel process latent growth modelling to examine the effect of physical activity on the psychological health trajectories of United States (U.S.) military personnel after release from service. This was done using data derived from the Millennium Cohort Study. The results revealed significant negative relationships between physical activity and psychological health trajectories (i.e., as physical activity increased, symptoms of psychological health decreased). The final study of my dissertation examined the feasibility and acceptability of a social identity-informed sport program designed to support the health and well-being of Canadian military veterans. The results were analyzed using reflexive thematic analysis and revealed several benefits experienced by participants, such as improved mental and physical health, and social connections based on a shared military identity. Overall, the program was feasible to run, with potential for future scale-up. Taken together, the research reported within my dissertation has the potential to facilitate a greater understanding of factors related to adjustment after release and the role in which physical activity can support veterans following transition.
title: Utah Off-Highway Vehicle Owners' Specialization and Its Relationship to Environmental Attitudes and Motivations
Creators: name: Smith, Jordan W
Publisher: name: Utah State University
Year: 2008

description: Off-Highway Vehicle (OHV) use has grown enormously on Utah’s public lands and is one of the most contentious and difficult issues for federal, state, and local land management agencies to address and provide for. Despite OHV use’s meteoric rise in popularity and its ongoing public conflicts, little is known about OHV recreationists. This thesis develops a typology that identifies within-activity differences related to recreation specialization; it also determines differences in OHV owners’ environmental attitudes and motivations. Findings show Utah’s owners comprise a range of use along the recreation specialization continuum. Results also indicate that an OHV owners’ specialization level is not a significant determinant of either their environmental attitude or four out of the seven given motivations for participation in the activity. Specialization is, however, directly correlated to three specific motivation domains: achievement/stimulation, independence, and meeting new people. Overall, the recreation specialization framework, broadly interpreted, was successfully utilized to develop a typology of use which can inform resource management decisions.
Arranging Dirac covariants in hadronic Bethe-Salpeter wave functions for pseudoscalar meson decays
Creators: name: Bhatnagar, Shashank
name: Li, Shi-Yuan
name: Mahecha, Jorge
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We have employed the framework of Bethe-Salpeter equation under covariant instantaneous ansatz to calculate leptonic decay constants of unequal mass pseudoscalar mesons like pi, K, D, Ds and B and radiative decay constants of neutral pseudoscalar mesons like pi and etac in two photon decays of these mesons. In the Dirac structure of hadronic BS wave function, the covariants are incorporated from their complete set in accordance with a recently proposed power counting rule, order-by-order in powers of inverse of meson mass. The decay constants are calculated with the incorporation of both Leading order (LO) and the Next-to-leading order (NLO) Dirac covariants. The contribution of both LO as well as NLO Dirac covariants are studied in detail in this paper. The results are found to improve dramatically and hence validating the power counting rule which also provides a practical means of incorporating Dirac covariants in the BS wave function for a hadron.
description: article and four figures
title: A spanner in the works : a critique of social psychology.
Creators: name: Wilby, Kevin Christopher
Publisher: name: University of Kent
Year: 2023

description: A critique is made of experimental social psychology in which its claim to give a "deep" understanding of human social behaviour is examined, and found to be groundless. Social psychology's methodological and theoretical assumptions are traced to the work of Kurt Lewin, whose advocacy of a "Galilean", scientific approach to psychology seemed to allow the use of experimentation on human motivations and higher order thought processes. Examples of contemporary social psychological research are examined, revealing the implicit Lewinian assumptions they make use of It is shown that Lewin's assumptions are without foundation, because they distort acknowledged facts about human beings by their imposition of a causal explanatory system onto all instances of behaviour. Lewin's "topological psychology" involves, amongst other things, the translation of common sense notions into a quasi-technical terminology. It is contended that this terminology contributes nothing to a more sophisticated understanding of people's behaviour. This contention is supported by an examination of the methodological implications associated with Lewin's terminology, and also by contrasting it with accounts that emphasize the diversity of explanatory forms in ordinary use. It is also shown, through a discussion of philosophical skepticism, that social psychology's justifications for assuming a fundamental inadequacy of common sense knowledge of behaviour, and the appropriateness of a general scientific approach to behaviour, are over-extended, and that while the motivations of behaviour are not always readily apparent, there is no serious reason to disregard all ordinary explanations of behaviour. Having shown the weaknesses inherent in social psychology's assumptions and justifications, it is concluded that social psychology cannot claim to have discovered a replacement for ordinary, common sense, explanations of behaviour.
title: Ð­Ð½ÐµÑÐ³Ð¾ÑÐ±ÐµÑÐµÐ³Ð°ÑÑÐ¸Ð¹ ÑÐ°ÑÑÐ¾ÑÐ½Ð¾-ÑÐµÐ³ÑÐ»Ð¸ÑÑÐµÐ¼ÑÐ¹ ÑÐ»ÐµÐºÑÑÐ¾Ð¿ÑÐ¸Ð²Ð¾Ð´ Ñ ÑÐ¸Ð½Ñ ÑÐ¾Ð½Ð½ÑÐ¼ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»ÐµÐ¼ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 2620 ÐºÐÑ
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð§ÑÑÐºÐ¸Ð½, ÐÐ½Ð´ÑÐµÐ¹
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°ÑÑÐ¾ÑÐ½Ð¾-ÑÐµÐ³ÑÐ»Ð¸ÑÑÐµÐ¼ÑÐ¹ ÑÐ»ÐµÐºÑÑÐ¾Ð¿ÑÐ¸Ð²Ð¾Ð´
Ð²ÑÐ¿ÑÑÐ¼Ð¸ÑÐµÐ»Ñ
ÑÐ½ÐµÑÐ³Ð¾ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÑ
efficiency
rectifier

description: Ð Ð°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¾ÑÐµÐ½ÐºÐµ ÑÐ½ÐµÑÐ³Ð¾ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÑÐ°ÑÑÐ¾ÑÐ½Ð¾-ÑÐµÐ³ÑÐ»Ð¸ÑÑÐµÐ¼Ð¾Ð³Ð¾ ÑÐ¸Ð½ÑÑÐ¾Ð½Ð½Ð¾Ð³Ð¾ ÑÐ»ÐµÐºÑÑÐ¾Ð¿ÑÐ¸Ð²Ð¾Ð´Ð° Ñ Ð´Ð²Ð¸Ð³Ð°ÑÐµÐ»ÐµÐ¼ Ð½Ð° Ð¿Ð¾ÑÑÐ¾ÑÐ½Ð½ÑÑ Ð¼Ð°Ð³Ð½Ð¸ÑÐ°Ñ. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¾ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ðµ 12-ÑÐ¸ Ð¿ÑÐ»ÑÑÐ½Ð¾Ð¹ ÑÑÐµÐ¼Ñ Ð²ÑÐ¿ÑÑÐ¼Ð»ÐµÐ½Ð¸Ñ ÑÐ¾ ÑÑÐµÐ¼Ð¾Ð¹ Ñ Ð°ÐºÑÐ¸Ð²Ð½ÑÐ¼ Ð²ÑÐ¿ÑÑÐ¼Ð¸ÑÐµÐ»ÐµÐ¼ Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ñ. ÐÐ°Ð½Ð° Ð¾ÑÐµÐ½ÐºÐ° Ð¿Ð¾ÑÐµÑÑÐ¼ Ð² ÑÐ¸Ð»Ð¾Ð²ÑÑ ÐºÐ»ÑÑÐ°Ñ Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»ÐµÐ¹ Ð¾Ð±Ð¾Ð¸Ñ ÑÐ¸Ð¿Ð¾Ð².
description: The work is devoted to the evaluation of energy efficiency variable frequency synchronous electric motor with permanent magnets. A comparison of 12 -pulse rectification scheme with the scheme with an active rectifier voltage. The estimation of losses in the power switches of both types of converters.
title: Effects of Foraging Sequence on the Ability of Lambs to Consume Endophyte-Infected Tall Fescue (Alkaloids), Birdsfoot Trefoil (Tannins), and Alfalfa (Saponins)
Creators: name: Lockard, Emily
Publisher: name: Utah State University
Year: 2008

description: All plants contain primary and secondary compounds. Primary compounds are needed by plants and herbivores for maintenance, growth, and reproduction, while secondary compounds play roles as diverse as protecting plants from ultraviolet radiation, defenses against herbivores, pollination attraction, and stress resistance. Secondary compounds have nutritional and medicinal benefits for herbivores as well, especially when eaten in diverse combinations that complement one another. While complementarities among secondary compounds are an important but little understood area of plant-herbivore interactions, even less is known about how the sequences of eating plants with different compounds affects foraging behavior, though they may be critical. In three trials, I determined if the sequence in which lambs ate endophyte-infected tall fescue (alkaloids), birdsfoot trefoil (tannins), and alfalfa (saponins) affected their foraging behavior. When lambs grazed on monocultures they spent similar amounts of time grazing regardless of which forage they grazed. Lambs that grazed in a sequence of different forages tended to subsequently eat less alfalfa pellets in pens than lambs that grazed a monoculture, which suggests they better met their nutritional needs on mixtures than on monocultures. Likewise, lambs that grazed a monoculture of alfalfa or fescue spent more time grazing during the first 45 min than in the subsequent 45 min, while lambs that grazed alfalfa during the first 45 min and then fescue spent more time grazing in the subsequent 45 min, suggesting lambs satiate faster when they have fewer choices. While the foraging sequences I examined generally allowed animals to consume more than they would if they grazed in monocultures, there is still a need to further explore how different plants and foraging sequences influence the level of consumption by livestock of forages on pastures that contain various secondary compounds.
title: Effects of Olfactory and Visual Predators on Nest Success and Nest-Site Selection of Waterfowl in North Dakota.
Creators: name: Borgo, Jennifer
Publisher: name: Utah State University
Year: 2008

description: Selecting a nest site is an important decision for waterfowl. Because most nest failure is due to depredation, the primary selective pressure in choosing a nest site should be to reduce depredation risk. This task is difficult because predators use differing tactics to locate nests, such as olfactory or visual cues. I investigated several components of waterfowl nest-site selection and success on sites with shelterbelts (planted tree-rows) in North Dakota, during the 2006 and 2007 nesting seasons. I found that meteorological conditions impacted nest depredation; artificial nests were more likely to be depredated when either temperature or dew point was high. These meteorological conditions should improve foraging efficiency for olfactory predators by increasing odor concentration. Waterfowl selected nesting sites with greater visual concealment than random locations (lateral concealment). However, the only difference found between successful and depredated nests was lateral dispersion, an olfactory concealment characteristic. Nest density was higher in areas without shelterbelts than in areas near shelterbelts. Nest success for waterfowl decreased as shelterbelt height increased. Other shelterbelt characteristics, like porosity and orientation, did not affect nest success or nest density. Given that nest predators differ in foraging habitat, temporal patterns of activity, and searching modalities, nest site characteristics that conceal the nest from 1 predator species may increase its vulnerability to another predator. For instance, risk due to olfactory predators should be reduced near shelterbelts because locating nests would be more difficult as turbulence is generated by the shelterbelts. Concomitantly, shelterbelts could also increase the presence of visual predators, by providing nesting sites and vantage points. In my study, any benefits shelterbelts provide in reducing nest depredation by olfactory predators may have been offset by increasing nest depredation from visual predators. Hence nesting near shelterbelts was neither a liability nor a benefit to ducks.
Physarum licheniforme Lado 2001
Creators: name: Kluša, Julita
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Protozoa
Mycetozoa
Myxomycetes
Physarales
Physaraceae
Physarum
Physarum licheniforme

description: B● Physarum licheniforme (Schwein.) Lado,
ķērpjveida pumpurīte
- leg. J.Kluša, 16 Oct 2019, Aloja p., on a large log of Fraxinus excelsior with bark in a deciduous forest, det. E.Johannesen, 2021; (NMKK), one locality.
description: Published as part of Kluša, Julita, 2023, Complete Checklist Of Myxomycetes In Latvia, pp. 127-151 in Acta Biologica Universitatis Daugavpiliensis 23 (2) on pages 127-151, DOI: 10.59893/abud.23(2).002, http://zenodo.org/record/12650118
Parsec-scale SiO Emission in an Infrared Dark Cloud
Creators: name: Jimenez-Serra, I.
name: Caselli, P.
name: Tan, J. C.
name: Hernandez, A. K.
name: Fontani, F.
name: Butler, M. J.
name: van Loo, S.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present high-sensitivity 2'x4' maps of the J=2-1 rotational lines of SiO, CO, 13CO and C18O, observed toward the filamentary Infrared Dark Cloud (IRDC) G035.39-00.33. Single-pointing spectra of the SiO J=2-1 and J=3-2 lines toward several regions in the filament, are also reported. The SiO images reveal that SiO is widespread along the IRDC (size >2 pc), showing two different components: one bright and compact arising from three condensations (N, E and S), and the other weak and extended along the filament. While the first component shows broad lines (linewidths of ~4-7 kms-1) in both SiO J=2-1 and SiO J=3-2, the second one is only detected in SiO J=2-1 and has narrow lines (~0.8 kms-1). The maps of CO and its isotopologues show that low-density filaments are intersecting the IRDC and appear to merge toward the densest portion of the cloud. This resembles the molecular structures predicted by flow-driven, shock-induced and magnetically-regulated cloud formation models. As in outflows associated with low-mass star formation, the excitation temperatures and fractional abundances of SiO toward N, E and S, increase with velocity from ~6 to 40 K, and from ~1E-10 to >1E-8 respectively, over a velocity range of ~7 kms-1. Since 8 micron sources, 24 micron sources and/or extended 4.5 micron emission are detected in N, E and S, broad SiO is likely produced in outflows associated with high-mass protostars. The excitation temperatures and fractional abundances of the narrow SiO lines, however, are very low (~9 K and ~1E-11, respectively), and consistent with the processing of interstellar grains by the passage of a shock with vs~12 kms-1. This emission could be generated i) by a large-scale shock, perhaps remnant of the IRDC formation process; ii) by decelerated or recently processed gas in large-scale outflows driven by 8 micron and 24 micron sources; or iii) by an undetected and widespread population of lower mass protostars. High-angular resolution observations are needed to disentangle between these three scenarios.
description: 11 pages, 5 figures, accepted for publication in MNRAS