cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Physiological response of Kentucky bluegrass under salinity stress
Creators: name: Wang, Lijun
Publisher: name: Utah State University
Year: 2013

description: Salinity is a major abiotic stress in plant agriculture which reduces seed germination, vegetative growth, and flowering, and limits crop productivity world-wide. Salinity causes water deficit, ion toxicity, and nutrient deficiency in plants, which can result in cellular damage, growth reduction, and even death. Kentucky bluegrass (Poa pratensis L.) is the most widely used cool-season species in cool-arid climates; however it has relatively poor salt-tolerance. Thus the development of Kentucky bluegrass genotypes with increased salt tolerance is of interest to turf breeders. One impediment to selection towards this goal is finding an efficient and accurate method to evaluate the salt tolerance. The objective of this study was to examine physiological responses to salt stress and to evaluate the genetic diversity among the accessions used in the research. Salt-tolerant accessions PI371768 (768) and PI440603 (603) and salt-sensitive varieties Midnight and Baron were exposed to four levels of salinity imposed by irrigating with salt solutions of 0 dS m-1 (control), 6 dS m-1, 12 dS m-1, and 18 dS m-1 or 24 dS m-1. Soil salinity was measured using Acclima Digital TDT sensors and grass response to the stress was measured using turf quality ratings, stomatal conductance, leaf water potential and electrolyte leakage. In general, turfgrass quality, stomatal conductance, and leaf water potential decreased while electrolyte leakage increased under salinity stress. Midnight and Baron exhibited greater changes in these measurements, indicating more sensitivity compared to 768 and 603. The 6 dS m-1 treatment had little effect on the salt-tolerant accessions. Salt tolerance of 603 and 768 was confirmed and likewise, salt sensitivity of Baron and Midnight was confirmed. The genetic similarity of all cultivars used in this study was very high.
All of the evaluation measurements were highly correlated, with water potential and electrolyte leakage being the most reliable and accurate methods due to the low standard deviations. Due to more repeatable methods and less user error, electrolyte leakage and turfgrass quality are recommended methods for screening salt tolerance of turfgrasses.
Cosmic Core-Collapse Supernovae from Upcoming Sky Surveys
Creators: name: Lien, Amy
name: Fields, Brian D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Large synoptic (repeated scan) imaging sky surveys are poised to observe enormous numbers of core-collapse supernovae. We quantify the discovery potential of upcoming projects, including DES, Pan-STARRS, and LSST. These surveys will map out the cosmic core-collapse supernova redshift distribution via direct counting, with very small statistical uncertainties out to a redshift depth which is a strong function of the survey limiting magnitude. This supernova redshift history encodes rich information about cosmology, star formation, and supernova astrophysics and phenomenology; the large statistics of the supernova sample will be crucial to disentangle possible degeneracies among these issues. For example, the cosmic supernova rate can be measured to high precision out to z ~ 0.5 for all core-collapse types, and out to redshift z ~ 1 for Type IIn events. Because of the tight link between supernovae and star formation, synoptic sky surveys will provide precision measurements of the normalization and z < 1 history of cosmic star-formation rate in a manner independent of and complementary to current methods. Furthermore, Type II supernovae can serve as distance indicators and would independently cross-check Type Ia distances measured in the same surveys. Arguably the largest and least-controlled uncertainty in these efforts comes from dust obscuration of supernovae in their host galaxies; we outline a strategy to determine empirically the obscuration properties by leveraging the large supernova samples over a broad range of redshift. [abstract abridged]
description: 43 pages, 13 figures
Decoherence suppression via environment preparation
Creators: name: Landon-Cardinal, Olivier
name: MacKenzie, Richard
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: To protect a quantum system from decoherence due to interaction with its environment, we investigate the existence of initial states of the environment allowing for decoherence-free evolution of the system. For models in which a two-state system interacts with a dynamical environment, we prove that such states exist if and only if the interaction and self-evolution Hamiltonians share an eigenstate. If decoherence by state preparation is not possible, we show that initial states minimizing decoherence result from a delicate compromise between the environment and interaction dynamics.
description: 4 pages, 2 figures
The Orbital Decay of Embedded Binary Stars
Creators: name: Stahler, Steven W.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Young binaries within dense molecular clouds are subject to dynamical friction from ambient gas. Consequently, their orbits decay, with both the separation and period decreasing in time. A simple analytic expression is derived for this braking torque. The derivation utilizes the fact that each binary acts as a quadrupolar source of acoustic waves. The acoustic disturbance has the morphology of a two-armed spiral and carries off angular momentum. From the expression for the braking torque, the binary orbital evolution is also determined analytically. This type of merger may help explain the origin of high-mass stars. If infrared dark clouds, with peak densities up to 10^7 cm^{-3}, contain low-mass binaries, those with separations less than 100 AU merge within about 10^5 yr. During the last few thousand years of the process, the rate of mechanical energy deposition in the gas exceeds the stars' radiative luminosity. Successive mergers may lead to the massive star formation believed to occur in these clouds.
description: 24 pages, 3 figures
A geographical investigation of development potential in the Squamish Valley region, British Columbia
Creators: name: Stathers, Jack Kenneth
Publisher: name: University of British Columbia
Year: 2012

description: During the past five years the Squamish valley has been the center of attention of a large amount of public interest. The extension of the Pacific Great Eastern Railway from the village of Squamish to Vancouver has been the cause of much of this public interest. The tremendous recreational potential of the beautifully scenic alpine country north of Squamish in Garibaldi Park has been brought most vividly to the fore. Partly as a result of this the provincial government began construction of a modern highway to the Squamish area, which in spite of much political debate, had hitherto been completely without a road connection of any kind. Principally because of road and rail being extended to Squamish, politicians, financiers and industrialists have expressed the opinion that the vast expanse of vacant land of the Squamish river delta could be developed for industrial purposes. Some people have even suggested that a great sea port could be developed with the rugged and scenic valley providing the land for associated community areas. This thesis is a study of the Squamish valley with respect to the probability of this development occurring. Insofar as industrial development as a sea port is concerned the extent to which the area can develop seems to depend largely on a matter of timing. Not by coincidence but because the port facilities of metropolitan Vancouver are rapidly becoming overtaxed, several proposals are being aired each of which seeks to develop further port facilities and land adjacent to Vancouver. Such land at Squamish would be competitive with that in these other proposed areas, but since Squamish is geographically separated from Vancouver it has some basic disadvantages. Conversely, however, due to the fact that the provincial government controls vast tracts of land at Squamish, port development on these lands may be fairly readily accomplished. Squamish seems destined to expand fairly rapidly regardless of its industrial future. Its rate and ultimate pattern of development, however, will largely be determined by the extent of industrialization. Since some form of growth is immediately eminent and particularly since the valley must be protected from flood-waters, regional development planning is direly needed. Because the prospects for industrial development are somewhat dependent on the nature of other local growth a regional plan is proposed which will ensure adequate industrial land at the waterfront.
title: Hybrid Photothermal Technique for Microscale Thermal Conductivity Measurement
Creators: name: Hua, Zilong
Publisher: name: Utah State University
Year: 2013

description: Most existing thermal conductivity measurement techniques of nuclear fuel only measure the overall effective thermal conductivity of the fuel, cladding, and gap, with low spatial-resolution. However, damage to nuclear fuel microstructure caused by neutron-irradiation can result in sharp, local changes of thermal conductivity. Additionally, extremely large temperature-gradients (~1600 K/cm) from the fuel centerline to the coolant result in similar gradients of thermal conductivity. Therefore, in pursuit of greater understanding of nuclear fuel performance, the objective of this study was to develop a non-contact thermal conductivity measurement technique to provide micron-sized spatial-resolution capability. Based on photothermal techniques and using both frequency and spatial-domain photothermal reflectance methods, an experimental measurement system was designed, built, and tested for measuring the thermal conductivity of a thin-film coated material with micron resolution. This hybrid method involves separate measurement of thermal diffusivity, D, and thermal effusivity, e, from which, thermal conductivity, k = (e2/D)1/2 is calculated. A detailed parametric analysis using analytical solutions and a numerical model has been performed to guide the experiment and optimize measurement conditions. The measurement system was validated using two calibration samples having thermal conductivities at both the upper and lower limit of the common range of nuclear fuels (~1 - 10 W/m/K). Sources of experimental errors are discussed qualitatively and the uncertainty of the measurement system for the thermal conductivity range of interest is quantified. The measured error is found to be about 10%, and up to close to 20% for the worst case (upper limit of k range). An extended application of the modulated laser excitation technique is explored to measure mechanical properties of solid materials. This technique involves obtaining the natural frequencies of different vibrational modes of a cantilever beam sample allowing for the extraction of the elasticity constants of the material. From Neumann's principle, the number of independent elasticity constants is dependent on the symmetry of the material structure. Specifically, symmetries of crystalline materials and composite materials are analyzed. Experimental results of two validation samples with cubic crystal system agreed well with the published values with experimental errors of ~10%.
Coupled non-identical microdisks: avoided crossing of energy levels and unidirectional far-field emission
Creators: name: Ryu, Jung-Wan
name: Lee, Soo-Young
name: Kim, Sang Wook
Publisher: name: arXiv
Year: 2009
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We investigate two coupled microdisks with non-identical radii focusing on the parametric evolution of energy levels and the unidirectional far-field emission. We show that the evolution of energy levels is characterized by the avoided crossing intrinsically associated with the exceptional point or the non-Hermitian degeneracy. These spectral properties explain highly asymmetric near-field intensity pattern of the resonance mode. The observed unidirectional far-field emission is shown to be understood by considering the forbidden inter-disk coupling in the ray picture induced by the frustrated total internal reflection near the closest point between two disks when the inter-disk distance is small enough.
description: 8 pages, 11 figures
title: Resilience and Resistance in Academically Successful Latino/a Students
Creators: name: Heaton, Dennis
Publisher: name: Utah State University
Year: 2013

description: This work explored the academic success of 10 Latino/a students in Southern View School District, a school district in the state of Utah. The students and their parents, when available, were interviewed and the students' academic records were reviewed. The students were asked to identify a school person, teacher, administrator, or staff person, who could help explain their success. The school person was then interviewed. The data were collated and analyzed using resilience theory and the critical race-based constructs of resistance and resilience resistance. The construct of colorblindness was also used to discuss the participants' attitudes towards less successful Latino/a students and their families.
The work revealed that the successful Latino/a students accessed the protective factors of personal strengths and environmental resources to remain resilient and achieve in school. It was also discovered that the students' success was also a form of resistance that was explained using the constructs of conformist resistance and resilient resistance. The student success was revealed as a way to resist oppression and remain in the educational pipeline. It was also discovered that student, parent, and school participants had adopted a colorblind ideology that assumed equal opportunity was available to all without regard to race. These observations led to the conclusion that the school system and the students of color it served would benefit from direct discussion of White privilege and what it means to be of a non-White racial group. The recommendation was that the school should adopt a systematic model of social justice education that could help more student access protective factors and facilitate critical conversations about race
Detection of some elements in the stable homotopy groups of spheres
Creators: name: Liu, Xiugui
Publisher: name: arXiv
Year: 2009
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 55Q45

description: In this paper we constructs a new nontrivial family in the stable homotopy groups of spheres $π_{p^nq+2pq+q-3}S$ which is of order $p$ and is represented by $k_0h_{n} \in Ext_A^{3,p^nq+2pq+q}(\mathbb{Z}_p,\mathbb{Z}_p)$ in the Adams spectral sequence, where $p\geq 5$ is an odd prime, $n\geq 3$ and $q=2(p-1)$. In the course of the proof, a new family of homotopy elements in $π_{\ast}V(1)$ which is represented by $β_{\ast}{i^{\prime}}_{\ast}i_{\ast}({h}_n)\in Ext_A^{2,p^nq+(p+1)q+1}(H^{\ast}V(1),\mathbb{Z}_p)$ in the Adams sequence is detected.
description: 19 pages
title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð¼Ð°Ð»Ð¾ÑÑÐ¼ÑÑÐµÐ³Ð¾ Ð¾Ð¿Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÑÐ°Ð½Ð·Ð¸ÑÑÐ¾ÑÐ½Ð¾Ð³Ð¾ Ð°Ð²ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ° ÑÐ°Ð½ÑÐ¸Ð¼ÐµÑÑÐ¾Ð²Ð¾Ð³Ð¾ Ð´Ð¸Ð°Ð¿Ð°Ð·Ð¾Ð½Ð° Ñ Ð´Ð¸ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ð¼ ÑÐµÐ·Ð¾Ð½Ð°ÑÐ¾ÑÐ¾Ð¼
title: Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ°Ñ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: ÐÐ³Ð¾ÑÐ¾Ð², ÐÐ³Ð¾Ñ
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Ð²ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÑ
Ð ÐµÐ·Ð¾Ð½Ð°ÑÐ¾ÑÑ
ÑÐ°Ð·Ð¾Ð²ÑÐ¹ ÑÑÐ¼
ÑÐµÐ·Ð¾Ð½Ð°Ð½ÑÐ½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð°
Ð¼Ð°Ð»Ð¾ÑÑÐ¼ÑÑÐ¸Ðµ ÑÑÐ°Ð½Ð·Ð¸ÑÑÐ¾ÑÑ

description: Ð¦ÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÑ ÑÐ¾ÑÑÐ¾Ð¸Ñ Ð² Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð¼Ð°Ð»Ð¾ÑÑÐ¼ÑÑÐµÐ³Ð¾ ÑÑÐ°Ð½Ð·Ð¸ÑÑÐ¾ÑÐ½Ð¾Ð³Ð¾ Ð°Ð²ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ° Ñ ÑÐ°Ð±Ð¾ÑÐµÐ¹ ÑÐ°ÑÑÐ¾ÑÐ¾Ð¹ 10 ÐÐÑ, Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð² Ð¼Ð¸ÐºÑÐ¾Ð¿Ð¾Ð»Ð¾ÑÐºÐ¾Ð²Ð¾Ð¼ Ð¸ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ð¸ Ð½Ð° Ð¼Ð°Ð»Ð¾ÑÑÐ¼ÑÑÐ¸Ñ SiGe-ÑÑÐ°Ð½Ð·Ð¸ÑÑÐ¾ÑÐ°Ñ Ñ Ð´Ð¸ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ð¼ ÑÐµÐ·Ð¾Ð½Ð°ÑÐ¾ÑÐ¾Ð¼ Ð² ÑÐµÐ¿Ð¸ Ð¾Ð±ÑÐ°ÑÐ½Ð¾Ð¹ ÑÐ²ÑÐ·Ð¸, Ð´Ð»Ñ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ ÑÑÐ¾Ð²Ð½Ñ Ð¸Ñ ÑÐ°Ð·Ð¾Ð²ÑÑ ÑÑÐ¼Ð¾Ð². ÐÐ»Ñ Ð´Ð¾ÑÑÐ¸Ð¶ÐµÐ½Ð¸Ñ Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐµÐ»Ð¸ Ð±ÑÐ»Ð¸ Ð²ÑÐ±ÑÐ°Ð½Ñ Ð¼Ð°Ð»Ð¾ÑÑÐ¼ÑÑÐ¸Ðµ Ð±Ð¸Ð¿Ð¾Ð»ÑÑÐ½ÑÐµ ÑÑÐ°Ð½Ð·Ð¸ÑÑÐ¾ÑÑ, ÑÐ°Ð±Ð¾ÑÐ°ÑÑÐ¸Ðµ Ð½Ð° ÑÐ°ÑÑÐ¾ÑÐµ 10 ÐÐÑ; Ð¿Ð¾Ð»ÑÑÐµÐ½Ñ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½ÑÐµ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÑ Ð¼Ð¾Ð´ÐµÐ»Ð¸ ÑÐµÐ·Ð¾Ð½Ð°Ð½ÑÐ½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ñ Ð´Ð¸ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ð¼ ÑÐµÐ·Ð¾Ð½Ð°ÑÐ¾ÑÐ¾Ð¼; ÑÐ¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½ Ð°Ð²ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾Ñ Ð² Ð¼Ð¸ÐºÑÐ¾Ð¿Ð¾Ð»Ð¾ÑÐºÐ¾Ð²Ð¾Ð¼ Ð¸ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ð¸ Ð¸ Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½ ÐµÐ³Ð¾ Ð¿ÑÐ¾ÑÐ¾ÑÐ¸Ð¿. Ð ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¹ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿Ð¸Ð°Ð»ÑÐ½ÑÐµ ÑÑÐµÐ¼Ñ Ð¼Ð¸ÐºÑÐ¾Ð¿Ð¾Ð»Ð¾ÑÐºÐ¾Ð²ÑÑ Ð°Ð²ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ¾Ð², ÑÐ¾Ð¿Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐµÐ¼Ñ Ð¸Ñ Ð¿ÐµÑÐ°ÑÐ½ÑÑ Ð¿Ð»Ð°Ñ Ð¸ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½Ð°Ñ Ð¼Ð¾Ð´ÐµÐ»Ñ Ð°Ð²ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ°. ÐÐ¾Ð»ÑÑÐµÐ½Ñ Ð·Ð½Ð°ÑÐµÐ½Ð¸Ñ ÑÐ°Ð·Ð¾Ð²ÑÑ ÑÑÐ¼Ð¾Ð² Ð½Ð° ÑÐ°ÑÑÐ¾ÑÐµ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° 10 ÐºÐÑ Ð¿ÑÐ¸ ÑÐ°Ð±Ð¾ÑÐµÐ¹ ÑÐ°ÑÑÐ¾ÑÐµ Ð°Ð²ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ° 10 ÐÐÑ.
A multiverse analysis of Vanman et al. (2018): The burden of online friends: The effects of giving up Facebook on stress and wellbeing PRE-REGISTRATION
Creators: name: Towndrow, Katherine
Publisher: name: Open Science Framework
Year: 2023
Subjects: subject: Social and Behavioral Sciences
subject: Psychology
subject: FOS: Psychology

description: Please refer to the attached 'Pre-registration' document.
title: Viral advertising as a tool of increasing consumer confidence
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: ÐÐ¸ÑÑÑÐ½Ð°Ñ ÑÐµÐºÐ»Ð°Ð¼Ð° ÐºÐ°Ðº Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½Ñ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ Ð´Ð¾Ð²ÐµÑÐ¸Ñ Ñ Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»ÐµÐ¹
Creators: name: Borsuk, Anastasiya
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´Ð¾Ð²ÐµÑÐ¸Ðµ Ðº ÑÐµÐºÐ»Ð°Ð¼Ðµ
Ð²Ð¸ÑÑÑÐ½ÑÐ¹ Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³
Ð²Ð¸ÑÑÑÐ½Ð°Ñ ÑÐµÐºÐ»Ð°Ð¼Ð°
ÑÐ°ÑÐ°ÑÐ°Ð½Ð½Ð¾Ðµ ÑÐ°Ð´Ð¸Ð¾

description: The object of research is viral advertising. In the article the com-ponents of the viral advertisement are described in detail, the technologies for creating and launching the viral video are described. Separately, the level of consumer confidence in advertising is analyzed, as well as the influ-ence on consumer confidence. During the analysis, types of advertising are identified, credibility to which is growing and advertising, the credibility of which is declining. We consider the online format of advertising and the attitude of consumers towards it.
description: ÐÐ°Ð½Ð½Ð°Ñ Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð²Ð¸ÑÑÑÐ½Ð¾Ð¹ ÑÐµÐºÐ»Ð°Ð¼Ñ ÐºÐ°Ðº Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÐ° Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ Ð´Ð¾Ð²ÐµÑÐ¸Ñ Ñ Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»Ñ. ÐÐ±ÑÐµÐºÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ²Ð»ÑÐµÑÑÑ Ð²Ð¸ÑÑÑÐ½Ð°Ñ ÑÐµÐºÐ»Ð°Ð¼Ð°. Ð ÑÐ°Ð±Ð¾ÑÐµ Ð¿Ð¾Ð´ÑÐ¾Ð±Ð½Ð¾ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÑÑ ÑÐ¾ÑÑÐ°Ð²Ð»ÑÑÑÐ¸Ðµ Ð²Ð¸ÑÑÑÐ½Ð¾Ð¹ ÑÐµÐºÐ»Ð°Ð¼Ñ, Ð¾Ð¿Ð¸ÑÑÐ²Ð°ÑÑÑÑ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¸ ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ñ Ð¸ Ð·Ð°Ð¿ÑÑÐºÐ° Ð²Ð¸ÑÑÑÐ½Ð¾Ð³Ð¾ Ð²Ð¸Ð´ÐµÐ¾. ÐÑÐ´ÐµÐ»ÑÐ½Ð¾ Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÑÐµÑÑÑ ÑÑÐ¾Ð²ÐµÐ½Ñ Ð´Ð¾Ð²ÐµÑÐ¸Ñ Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»ÐµÐ¹ Ðº ÑÐµÐºÐ»Ð°Ð¼Ðµ, Ð° ÑÐ°ÐºÐ¶Ðµ, Ð²Ð»Ð¸ÑÐ½Ð¸Ðµ Ð½Ð° Ð´Ð¾Ð²ÐµÑÐ¸Ðµ Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»ÐµÐ¹. ÐÑÐ¸ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¸Ð¸ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° Ð²ÑÑÐ²Ð»ÑÑÑÑÑ Ð²Ð¸Ð´Ñ ÑÐµÐºÐ»Ð°Ð¼Ñ Ð´Ð¾Ð²ÐµÑÐ¸Ðµ Ðº ÐºÐ¾ÑÐ¾ÑÑÐ¼ ÑÐ°ÑÑÐµÑ Ð¸ ÑÐµÐºÐ»Ð°Ð¼Ð°, Ð´Ð¾Ð²ÐµÑÐ¸Ðµ Ðº ÐºÐ¾ÑÐ¾ÑÐ¾Ð¹ ÑÐ½Ð¸Ð¶Ð°ÐµÑÑÑ. Ð Ð°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÐµÑÑÑ Ð¾Ð½Ð»Ð°Ð¹Ð½-ÑÐ¾ÑÐ¼Ð°Ñ ÑÐµÐºÐ»Ð°Ð¼Ñ Ð¸ Ð¾ÑÐ½Ð¾ÑÐµÐ½Ð¸Ðµ Ðº Ð½ÐµÐ¼Ñ Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»ÐµÐ¹. Ð ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ ÑÐ°Ð±Ð¾ÑÑ Ð±ÑÐ»Ð¸ Ð²ÑÑÐ²Ð»ÐµÐ½Ð¾, ÑÑÐ¾ Ð²Ð¸ÑÑÑÐ½Ð°Ñ ÑÐµÐºÐ»Ð°Ð¼Ð° ÑÐ¿Ð¾ÑÐ¾Ð±ÑÑÐ²ÑÐµÑ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ Ð´Ð¾Ð²ÐµÑÐ¸Ñ Ñ Ð¿Ð¾ÑÑÐµÐ±Ð¸ÑÐµÐ»ÐµÐ¹.
title: ÐÐµÑÐ¾Ð´Ð¸ÐºÐ° ÑÐ°ÑÑÐµÑÐ° ÑÐ»ÐµÐºÑÑÐ¾Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ¸Ð»Ð¸Ð¹ Ð² ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ°Ñ Ð¾Ð±Ð¼Ð¾ÑÐ¾Ðº ÑÐ¸Ð»Ð¾Ð²ÑÑ ÑÑÐ°Ð½ÑÑÐ¾ÑÐ¼Ð°ÑÐ¾ÑÐ¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
Creators: name: ÐÑÐ·ÑÐºÐ¸Ð½, ÐÐ¼Ð¸ÑÑ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: Ð­Ð»ÐµÐºÑÑÐ¾ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÐºÐ°
Ð¢ÑÐ°Ð½ÑÑÐ¾ÑÐ¼Ð°ÑÐ¾ÑÑ ÑÐ¸Ð»Ð¾Ð²ÑÐµ
ÐÐ°Ð³Ð½Ð¸ÑÐ½Ð¾Ðµ Ð¿Ð¾Ð»Ðµ
Ð¢Ð¾ÐºÐ¸ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½ Ð²ÑÐ²Ð¾Ð´ Ð°Ð½Ð°Ð»Ð¸ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð²ÑÑÐ°Ð¶ÐµÐ½Ð¸Ð¹ Ð´Ð»Ñ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ ÑÐ»ÐµÐºÑÑÐ¾Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ¸Ð»Ð¸Ð¹, Ð²Ð¾Ð·Ð½Ð¸ÐºÐ°ÑÑÐ¸Ñ Ð² ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ°Ñ Ð¾Ð±Ð¼Ð¾ÑÐ¾Ðº ÑÑÐ°Ð½ÑÑÐ¾ÑÐ¼Ð°ÑÐ¾ÑÐ¾Ð². Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¿ÑÐ¸ÑÐ¸Ð½Ñ Ð¸Ñ Ð²Ð¾Ð·Ð½Ð¸ÐºÐ½Ð¾Ð²ÐµÐ½Ð¸Ñ, Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸Ðµ ÑÑÐ¸Ñ ÑÐ¸Ð» Ð½Ð° Ð¾Ð±Ð¼Ð¾ÑÐºÐ¸. Ð¢Ð°ÐºÐ¶Ðµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ ÑÐ°ÑÑÐµÑÐ½ÑÐµ ÑÐ¸ÑÑÐ¾Ð²ÑÐµ Ð¼Ð¾Ð´ÐµÐ»Ð¸, Ð¿Ð¾Ð·Ð²Ð¾Ð»ÑÑÑÐ¸Ðµ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´Ð¸ÑÑ ÑÐ¸ÑÐ»ÐµÐ½Ð½Ð¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ»ÐµÐºÑÑÐ¾Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¸Ñ ÑÑÐ¸Ð»Ð¸Ð¹. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¾ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ðµ Ð¼ÐµÐ¶Ð´Ñ Ð¿Ð¾Ð»ÑÑÐµÐ½Ð½ÑÐ¼Ð¸ Ð°Ð½Ð°Ð»Ð¸ÑÐ¸ÑÐµÑÐºÐ¸Ð¼Ð¸ ÑÐ¾ÑÐ¼ÑÐ»Ð°Ð¼Ð¸ Ð¸ ÑÐ¸ÑÑÐ¾Ð²ÑÐ¼Ð¸ Ð¼Ð¾Ð´ÐµÐ»ÑÐ¼Ð¸.
title: Factors that influence secondary students to join the Collegiate FFA
Creators: name: Vanderbos, Sara
Publisher: name: Utah State University
Year: 2013

description: Student involvement on college campuses is important for the professional growth, leadership development and learning of today's college student. This research sought to determine the factors that influence former high school FFA members' reasons for joining and participating in the Collegiate FFA.
The study showed that students who are involved in the National FFA at the secondary level are more likely to join Collegiate FFA while attending a university that offers the Collegiate FFA option. These students were actively engaged on campus and were interested in helping others. Collegiate FFA programs, the National FFA, and universities across the country should begin their recruitment efforts with current high school FFA members.
title: ÐÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ñ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²ÐµÐ½Ð½Ð¾-ÑÐ¾ÑÐ³Ð¾Ð²Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÑÐµÑÑÐ¾ÑÐ°Ð½Ð° ÑÑÐµÐ´Ð¸Ð·ÐµÐ¼Ð½Ð¾Ð¼Ð¾ÑÑÐºÐ¾Ð¹ ÐºÑÑ Ð½Ð¸ Ð½Ð° 100 Ð¼ÐµÑÑ Ð² ÐÐ´Ð¼Ð¸ÑÐ°Ð»ÑÐµÐ¹ÑÐºÐ¾Ð¼ ÑÐ°Ð¹Ð¾Ð½Ðµ Ð³. Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³Ð°
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¾Ð²Ð¾ÑÐ¾Ð²Ð°, ÐÐ°ÑÐ²Ð°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: 2016
Subjects: ÑÐµÑÑÐ¾ÑÐ°Ð½
ÑÑÐµÐ´Ð¸Ð·ÐµÐ¼Ð½Ð¾Ð¼Ð¾ÑÑÐºÐ°Ñ ÐºÑÑ Ð½Ñ
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description: ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¾ Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²Ð¾Ðµ Ð¾Ð±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼Ð¾ÑÑÐ¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐµÑÑÐ¾ÑÐ°Ð½Ð° ÑÑÐµÐ´Ð¸Ð·ÐµÐ¼Ð½Ð¾Ð¼Ð¾ÑÑÐºÐ¾Ð¹ ÐºÑÑÐ½Ð¸ Ð½Ð° 100 Ð¼ÐµÑÑ Ð² ÐÐ´Ð¼Ð¸ÑÐ°Ð»ÑÐµÐ¹ÑÐºÐ¾Ð¼ ÑÐ°Ð¹Ð¾Ð½Ðµ Ð³Ð¾ÑÐ¾Ð´Ð° Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³Ð°, Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½Ñ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐ°ÑÑÐµÑÑ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð° Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÑÑÑÐºÑÑÑÐ° Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð¿Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐ¸ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÑÐµÐ¼Ð¾Ð³Ð¾ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ, ÐµÐ³Ð¾ Ð¿Ð»Ð°Ð½Ð¸ÑÐ¾Ð²Ð¾ÑÐ½Ð¾Ðµ ÑÐµÑÐµÐ½Ð¸Ðµ Ð¸ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ð¸.
Classical Bound for Mach-Zehnder Super-Resolution
Creators: name: Afek, Itai
name: Ambar, Oron
name: Silberberg, Yaron
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The employment of path entangled multiphoton states enables measurement of phase with enhanced precision. It is common practice to demonstrate the unique properties of such quantum states by measuring super-resolving oscillations in the coincidence rate of a Mach-Zehnder interferometer. Similar oscillations, however, have also been demonstrated in various configurations using classical light only; making it unclear what, if any, are the classical limits of this phenomenon. Here we derive a classical bound for the visibility of super-resolving oscillations in a Mach-Zehnder. This provides an easy to apply, fundamental test of non-classicality. We apply this test to experimental multiphoton coincidence measurements obtained using photon number resolving detectors. Mach-Zehnder super-resolution is found to be a highly distinctive quantum effect.
description: 4 pages, 4 figure, Comments welcome
title: Optical Sensors for Mapping Temperature and Winds in the Thermosphere from a CubeSat Platform
Creators: name: Sullivan, Stephanie
Publisher: name: Utah State University
Year: 2013

description: The thermosphere is the region between approximately 80 km and 320 or more km above the earth's surface. While many people consider this elevation to be space rather than atmosphere, there is a small quantity of gasses in this region. The behavior of these gasses influences the orbits of satellites, including the International Space Station, causes space weather events, and influences the weather closer to the surface of the earth. Due to the location and characteristics of the thermosphere, even basic properties such as temperature are very difficult to measure.
High spatial and temporal resolution data on temperatures and winds in the thermosphere are needed by both the space weather and earth climate modeling communities. To address this need, Space Dynamics Laboratory (SDL) started the Profiling Oxygen Emissions of the Thermosphere (POET) program. POET consists of a series of sensors designed to fly on sounding rockets, CubeSats, or larger platforms, such as IridiumNEXT SensorPODS. While each sensor design is different, they all use characteristics of oxygen optical emissions to measure space weather properties.
The POET program builds upon the work of the RAIDS, Odin, and UARS programs. Our intention is to dramatically reduce the costs of building, launching, and operating spectrometers in space, thus allowing for more sensors to be in operation. Continuous long-term data from multiple sensors is necessary to understand the underlying physics required to accurately model and predict weather in the thermosphere.
While previous spectrometers have been built to measure winds and temperatures in the thermosphere, they have all been large and expensive. The POET sensors use new focal plane technology and optical designs to overcome these obstacles. This thesis focuses on the testing and calibration of the two POET sensors: the Oxygen Profiling of the Atmospheric Limb (OPAL) temperature sensor and the Split-field Etalon Doppler Imager (SEDI) wind sensor
Global View of Bionetwork Dynamics: Adaptive Landscape
Creators: name: Ao, P
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantitative Methods (q-bio.QM)
subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: Quantifying the adaptive landscape in a given dynamical processes has been one of most important goals in theoretical biology. It can have immediate implications for many dynamical properties, such as robustness and plasticity. Based on recent work here I give a nontechnical brief review of this powerful quantitative concept in biology. This concept was initially proposed by S Wright 70 years ago, re-introduced by one of the founders of molecular biology and by others in different biological contexts. It was apparently forgotten by mainstream modern biologists for many years. Currently, this concept has found its increasingly important role in the development of systems biology and the modeling of bionetwork dynamics, from phage lambda genetic switch to endogenous network of cancer genesis and progression. It is an ideal quantify to describe the robustness and stability of bionetworks. I will first introduce five landmark proposals in biology on this concept, to demonstrate the important common thread in its theoretical biology development. Then I will discuss a few recent results, focusing on the work showing the logical consistency of adaptive landscape. From the perspective of a working scientist and of what needed for a dynamical theory when confronting empirical data, the adaptive landscape is useful both metaphorically and quantitatively and has captured an essential aspect of biological dynamical processes. Still, many important open problems remain to be solved. Having this important problem under control, we may expect that we are on the right road to quantitatively formulate the evolutionary dynamics discovered by Darwin and Wallace.
description: 16 pages
title: The Role of Psychological Flexibility in Eating Disorders in a Residential Treatment Sample
Creators: name: Mitchell, Phillip Ryan
Publisher: name: Utah State University
Year: 2013

description: Eating disorders have a dramatic effect on the lives of people who struggle with them, including cardiovascular and gastrointestinal problems, and death. Individuals with these diagnoses are also often struggling with comorbid diagnoses such as depression, anxiety, and substance abuse/dependence. Building on a conceptualization of eating disorders as a means to dysfunctionally regulate negative affect and escape unwanted thoughts, psychological flexibility, the ability of a person to contact unwanted thoughts or feelings and behave without escape or avoidance, is investigated as a tool for treatment. Additionally, because quantitative analysis of the construct of psychological flexibility has often employed the use of college samples, this study employed a sample of participants drawn from a residential treatment facility dedicated to the treatment of eating disorders. Through regression and modeling, psychological flexibility demonstrates its utility in the treatment of eating disorders through its relationship with body dissatisfaction and quality of life.
title: Ð£ÑÐ¾Ð²ÐµÐ½Ñ Ð¶Ð¸Ð·Ð½Ð¸ Ð½Ð°ÑÐµÐ»ÐµÐ½Ð¸Ñ: ÑÑÑÐ½Ð¾ÑÑÑ, Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ð¸, Ð´Ð¸Ð½Ð°Ð¼Ð¸ÐºÐ°
title: ÑÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ Ð¿Ð¾ ÐºÑÑÑÑ "ÐÐ°ÐºÑÐ¾ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐ°" Ð´Ð»Ñ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² Ð¾ÑÐ½Ð¾Ð¹ Ð¸ Ð·Ð°Ð¾ÑÐ½Ð¾Ð¹ ÑÐ¾ÑÐ¼ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ
titleType: Subtitle
Creators: name: ÐÐ½Ð´ÑÐ¾ÑÐ¾Ð²Ð°, ÐÐ°Ð»Ð¸Ð½Ð°
Publisher: name: Ð¢Ð­Ð
Year: 2006
Subjects: ÐºÐ°ÑÐµÑÑÐ²Ð¾ Ð¶Ð¸Ð·Ð½Ð¸
Ð½Ð°ÑÐµÐ»ÐµÐ½Ð¸Ðµ
ÑÐ¾ÑÐ¸Ð°Ð»ÑÐ½Ð¾-ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¾Ðµ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ðµ
ÑÑÐ¾Ð²ÐµÐ½Ñ Ð¶Ð¸Ð·Ð½Ð¸
ÑÑÐµÐ±Ð½Ð¸ÐºÐ¸ Ð¸ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ñ Ð´Ð»Ñ Ð²ÑÐ·Ð¾Ð²

description: Ð£ÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ ÑÐ¾ÑÑÐ°Ð²Ð»ÐµÐ½Ð¾ Ð² ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²Ð¸Ð¸ Ñ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð¾Ð¹ ÐºÑÑÑÐ° Â«ÐÐ°ÐºÑÐ¾ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐ°Â» Ð¸ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÐµÑ Ð¼Ð½Ð¾Ð³Ð¾Ð¾Ð±ÑÐ°Ð·Ð¸Ðµ ÑÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¿Ð¾Ð´ÑÐ¾Ð´Ð¾Ð² Ðº Ð¿Ð¾Ð½ÑÑÐ¸Ñ ÑÑÐ¾Ð²Ð½Ñ Ð¶Ð¸Ð·Ð½Ð¸, ÑÐ¸ÑÑÐµÐ¼Ñ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»ÐµÐ¹, ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸Ð·ÑÑÑÐ¸Ñ ÑÑÐ¾Ð²ÐµÐ½Ñ Ð¸ ÐºÐ°ÑÐµÑÑÐ²Ð¾ Ð¶Ð¸Ð·Ð½Ð¸, Ð° ÑÐ°ÐºÐ¶Ðµ Ð°Ð½Ð°Ð»Ð¸Ð· Ð´Ð¸Ð½Ð°Ð¼Ð¸ÐºÐ¸ ÑÑÐ¾Ð²Ð½Ñ Ð¶Ð¸Ð·Ð½Ð¸ Ð² Ð¿ÐµÑÐµÑÐ¾Ð´Ð½Ð¾Ð¹ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐµ Ð Ð¾ÑÑÐ¸Ð¸. ÐÑÐµÐ´Ð½Ð°Ð·Ð½Ð°ÑÐµÐ½Ð¾ Ð´Ð»Ñ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² Ð¾ÑÐ½Ð¾Ð¹ Ð¸ Ð·Ð°Ð¾ÑÐ½Ð¾Ð¹ ÑÐ¾ÑÐ¼Ñ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ Ð¿Ð¾ ÐºÑÑÑÑ Â«ÐÐ°ÐºÑÐ¾ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐ°Â».
Measurement of the isospin-filtering dd -> 4He K+ K- reaction at Q=39 MeV
Creators: name: Yuan, X.
name: Buescher, M.
name: Chiladze, D.
name: Dymov, S.
name: Dzyuba, A.
name: Grishina, V. Yu.
name: Hanhart, C.
name: Hartmann, M.
name: Kacharava, A.
name: Khoukaz, A.
name: Kondratyuk, L. A.
name: Koptev, V.
name: Kulessa, P.
name: Mielke, M.
name: Mikirtychiants, S.
name: Nekipelov, M.
name: Papenbrock, M.
name: Pysz, K.
name: Serdyuk, V.
name: Stroeher, H.
name: Wilkin, C.
name: Xu, H.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The total cross section for the dd -> 4He K+ K- reaction has been measured at a beam momentum of 3.7 GeV/c, corresponding to an excess energy of 39 MeV, which is the maximum possible at the Cooler Synchrotron COSY-Jülich. A deuterium cluster-jet target and the ANKE forward magnetic spectrometer, placed inside the storage ring, have been employed in this investigation. We find a total cross section of sigma(tot) < 14 pb, which brings into question the viability of investigating the dd -> 4He a0(980) reaction as a means of studying isospin violation.
description: Five pages with three eps figures
title: Identifying Perceptions that Contribute to the Development of Successful Project Lead the Way Pre-engineering Programs in Utah
Creators: name: McMullin, Keith
Publisher: name: Utah State University
Year: 2013

description: Many secondary schools in Utah have adopted the Project Lead the Way (PLTW) pre-engineering program. Little research has been conducted in Utah to show how successful these programs are or what factors are perceived to contribute to that success. This research is about defining PLTW program success and identifying factors perceived to improve success. This was accomplished by interviewing career and technical education directors in Utah who have the PLTW program in their districts. Questionnaires were also developed to question PLTW teachers, school administrators, and counselors with PLTW in their schools about factors that might contribute to PLTW program success. A successful PLTW program in Utah was found to be a program that was perceived to meet the goals of implementation, had the ability to attract adequate student enrollment, and was perceived to promote scholarly student achievement. It was found that successful PLTW programs (a) utilize dynamic teachers taking advantage of teacher professional development, (b) capitalize on student interest in the subject and differentiate learning models and environments, (c) utilize a collaborative effort between schools, industry, and community, (d) advertise class offerings and program benefits so students can make wise class choices during registration, and (e) make sure resources and facilities are available for all the curriculum requirements.
Additional file 3 of Factors influencing treatment status of syphilis among pregnant women: a retrospective cohort study in Guangzhou, China
Creators: name: Liu, Huihui
name: Chen, Niannian
name: Tang, Weiming
name: Shen, Songying
name: Yu, Jia
name: Xiao, Huiyun
name: Zou, Xingwen
name: He, Jianrong
name: Tucker, Joseph D.
name: Qiu, Xiu
Publisher: name: figshare
Year: 2023
Subjects: subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Infectious Diseases
subject: FOS: Health sciences

description: Supplementary Material Fig. S1 Syphilis screening rate in pregnant women and syphilis prevalence in pregnant women
Structure of the Particle-Hole Amplitudes in No-core Shell Model Wave Functions
Creators: name: Hayes, A. C.
name: Kwiatkowski, A. A.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the structure of the no-core shell model wave functions for $^6$Li and $^{12}$C by investigating the ground state and first excited state electron scattering charge form factors. In both nuclei, large particle-hole ($ph$) amplitudes in the wave functions appear with the opposite sign to that needed to reproduce the shape of the $(e,e')$ form factors, the charge radii, and the B(E2) values for the lowest two states. The difference in sign appears to arise mainly from the monopole $Δ\hbarω=2$ matrix elements of the kinetic and potential energy (T+V) that transform under the harmonic oscillator SU(3) symmetries as $(λ,μ)=(2,0)$. These are difficult to determine self-consistently, but they have a strong effect on the structure of the low-lying states and on the giant monopole and quadrupole resonances. The Lee-Suzuki transformation, used to account for the restricted nature of the space in terms of an effective interaction, introduces large higher-order $Δ\hbarω=n, n>$2, $ph$ amplitudes in the wave functions. The latter $ph$ excitations aggravate the disagreement between the experimental and predicted $(e,e')$ form factors with increasing model spaces, especially at high momentum transfers. For sufficiently large model spaces the situation begins to resolve itself for $^6$Li, but the convergence is slow. A prescription to constrain the $ph$ excitations would likely accelerate convergence of the calculations.
description: Calculations extended to 14hw (previous version only went up to 10hw)
Löber, Karin; Zielke, Armin (Hg.): Diakonie - was ist das?
Creators: name: Rothfuchs, Wilhelm
Publisher: name: Lutherische Beiträge
Year: 1970

description: Lutherische Beiträge, Bd. 12 Nr. 4 (2007): Lutherische Beiträge, Band 12, Heft 4
title: ÐÐ¾Ð´ÑÐµÐ¼Ð½Ð¾-ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½ÑÐµ Ð¼Ð°ÑÐ¸Ð½Ñ Ð¸ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð´Ð»Ñ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸Ð·Ð°ÑÐ¸Ð¸ ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ². ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ¸Ð» Ð½Ð°ÑÑÐ¶ÐµÐ½Ð¸Ñ Ð² Ð³Ð¸Ð±ÐºÐ¾Ð¹ Ð»ÐµÐ½ÑÐµ Ð½Ð° Ð²ÐµÐ´ÑÑÐµÐ¼ ÑÐºÐ¸Ð²Ðµ
title: Ð¼ÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐºÐ°Ð·Ð°Ð½Ð¸Ñ Ðº Ð»Ð°Ð±Ð¾ÑÐ°ÑÐ¾ÑÐ½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ
titleType: Subtitle
Creators: name: ÐÐ¾ÑÑÑÐºÐ¾Ð², ÐÐ°Ð½Ð¸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: 2021
Subjects: ÐÐ¾Ð´ÑÐµÐ¼Ð½Ð¾-ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½Ð¾Ðµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ

description: ÐÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐºÐ°Ð·Ð°Ð½Ð¸Ñ Ðº Ð»Ð°Ð±Ð¾ÑÐ°ÑÐ¾ÑÐ½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²ÑÑÑ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»ÑÐ½Ð¾Ð¼Ñ ÑÑÐ°Ð½Ð´Ð°ÑÑÑ Ð²ÑÑÑÐµÐ³Ð¾ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¤ÐµÐ´ÐµÑÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ Ð³Ð¾ÑÑÐ´Ð°ÑÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð°Ð²ÑÐ¾Ð½Ð¾Ð¼Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÐµÐ¶Ð´ÐµÐ½Ð¸Ñ Ð²ÑÑÑÐµÐ³Ð¾ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ñ Â«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¸ÐºÐ¾Ð³Ð¾Â» Ð¿Ð¾ Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸ÑÐ¼ Ð¿Ð¾Ð´Ð³Ð¾ÑÐ¾Ð²ÐºÐ¸ Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ¾Ð² 23.03.01 Â«Ð¢ÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ñ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½ÑÑ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð²Â», 23.03.02 Â«ÐÐ°Ð·ÐµÐ¼Ð½ÑÐµ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½Ð¾-ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÑÂ» Ð¸ ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸ÑÑÐ¾Ð² 23.05.01 Â«ÐÐ°Ð·ÐµÐ¼Ð½ÑÐµ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½Ð¾-ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐµÐ´ÑÑÐ²Ð°Â» Ð¿Ð¾ Ð´Ð¸ÑÑÐ¸Ð¿Ð»Ð¸Ð½Ð°Ð¼ Â«Ð¢ÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½Ð¾-ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¼Ð°ÑÐ¸Ð½ÑÂ», Â«Ð¡Ð¿ÐµÑÐ¸Ð°Ð»ÑÐ½ÑÐµ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÐ½ÑÐµ Ð¼Ð°ÑÐ¸Ð½ÑÂ», Â«ÐÐµÐ¿ÑÐµÑÑÐ²Ð½ÑÐ¹ ÑÑÐ°Ð½ÑÐ¿Ð¾ÑÑÂ». Ð Ð¼ÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¸Ñ ÑÐºÐ°Ð·Ð°Ð½Ð¸ÑÑ Ð¿ÑÐ¸Ð²ÐµÐ´ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ Ð¿Ð¾Ð»Ð¾Ð¶ÐµÐ½Ð¸Ñ ÑÐµÐ¾ÑÐ¸Ð¸ Ð¸ ÑÐ°ÑÑÐµÑÐ½ÑÐµ Ð·Ð°Ð²Ð¸ÑÐ¸Ð¼Ð¾ÑÑÐ¸ Ð´Ð»Ñ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ñ ÑÐ¸Ð» Ð½Ð°ÑÑÐ¶ÐµÐ½Ð¸Ñ Ð² Ð³Ð¸Ð±ÐºÐ¾Ð¹ Ð»ÐµÐ½ÑÐµ Ð½Ð° Ð²ÐµÐ´ÑÑÐµÐ¼ ÑÐºÐ¸Ð²Ðµ, Ð´Ð°Ð½Ñ Ð¾Ð¿Ð¸ÑÐ°Ð½Ð¸Ðµ Ð»Ð°Ð±Ð¾ÑÐ°ÑÐ¾ÑÐ½Ð¾Ð¹ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸, Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð° ÑÐ°Ð±Ð¾ÑÑ, Ð¿Ð¾ÑÑÐ´Ð¾Ðº ÐµÐµ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ, Ð° ÑÐ°ÐºÐ¶Ðµ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸Ñ Ðº Ð¾ÑÑÐµÑÑ.
title: Utility of an Error Analysis and Performance Deficit Assessment for Selecting Brief Interventions to Increase Math Fluency
Creators: name: Denison, Aaron John
Publisher: name: Utah State University
Year: 2013

description: The purpose of this study was to examine the utility of a brief assessment for the selection of an effective instruction to increase fluency performance on computation math problems. Participants were four general education third-grade students who performed below the median score on a classwide administered multiple math skills probe. Students first participated in a brief assessment within a mini-withdrawal design to compare the relative effects of a contingent reward (CR) condition to a baseline condition on math fluency performance using a multiple skills probe. All four students increased performance when given an opportunity to earn an incentive for meeting a performance goal. Increased performance indicated a performance deficit to explain low math performance and that the students would positively respond to a contingent reward intervention on single math skills. To validate this hypothesis, the effects of baseline, CR, and instruction plus CR on fluency performance over time was assessed using a multiple baseline design across three single target skills for each student. Of the 12 skills assessed, results from the extended analysis demonstrated that the CR was effective on one skill, instruction plus CR was effective on five skills, and performance improved during baseline on six skills. Post results showed improved performance on the multiple probe for all students but performance was retained over 2 to 4 weeks on 5 of the 12 skills mastered during the study. Discussion focuses on considerations of the utility of a brief assessment approach in the application decision making and for future research
Fermi liquid near Pomeranchuk quantum criticality
Creators: name: Maslov, Dmitrii L.
name: Chubukov, Andrey V.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We analyze the behavior of an itinerant Fermi system near a charge nematic(n=2) Pomeranchuk instability in terms of the Landau Fermi liquid (FL) theory. The main object of our study is the fully renormalized vertex function $ΓΩ$, related to the Landau interaction function. We derive $Γ^Ω$ for a model case of the long-range interaction in the nematic channel. Already within the Random Phase Approximation (RPA), the vertex is singular near the instability. The full vertex, obtained by resumming the ladder series composed of the RPA vertices, differs from the RPA result by a multiplicative renormalization factor $Z_Γ$, related to the single-particle residue $Z$ and effective mass renormalization $m^*/m$. We employ the Pitaevski-Landau identities, which express the derivatives of the self-energy in terms of $Γ^Ω$, to obtain and solve a set of coupled non-linear equations for $Z_Γ$, $Z$, and $m^*/m$. We show that near the transition the system enters a critical FL regime, where $Z_Γ\sim Z \propto (1 + g_{c,2})^{1/2}$ and $m^*/m \approx 1/Z$, where $g_{c,2}$ is the $n=2$ charge Landau component which approaches -1 at the instability. We construct the Landau function of the critical FL and show that all but $g_{c,2}$ Landau components diverge at the critical point. We also show that in the critical regime the one-loop result for the self-energy $Σ(K) \propto \int dP G(P) D (K-P)$ is asymptotically exact if one identifies the effective interaction $D$ with the RPA form of $Γ^Ω$.
description: References added, discussion of the dynamic vertex is modified
title: Existence and Multiplicity Results on Standing Wave Solutions of Some Coupled Nonlinear Schrodinger Equations
Creators: name: Tian, Rushun
Publisher: name: Utah State University
Year: 2013

description: Coupled nonlinear Schrodinger equations (CNLS) govern many physical phenomena, such as nonlinear optics and Bose-Einstein condensates. For their wide applications, many studies have been carried out by physicists, mathematicians and engineers from different respects. In this dissertation, we focused on standing wave solutions, which are of particular interests for their relatively simple form and the important roles they play in studying other wave solutions. We studied the multiplicity of this type of solutions of CNLS via variational methods and bifurcation methods.
Variational methods are useful tools for studying differential equations and systems of differential equations that possess the so-called variational structure. For such an equation or system, a weak solution can be found through finding the critical point of a corresponding energy functional. If this equation or system is also invariant under a certain symmetric group, multiple solutions are often expected. In this work, an integer-valued function that measures symmetries of CNLS was used to determine critical values. Besides variational methods, bifurcation methods may also be used to find solutions of a differential equation or system, if some trivial solution branch exists and the system is degenerate somewhere on this branch. If local bifurcations exist, then new solutions can be found in a neighborhood of each bifurcation point. If global bifurcation branches exist, then there is a continuous solution branch emanating from each bifurcation point.
We consider two types of CNLS. First, for a fully symmetric system, we introduce a new index and use it to construct a sequence of critical energy levels. Using variational methods and the symmetric structure, we prove that there is at least one solution on each one of these critical energy levels. Second, we study the bifurcation phenomena of a two-equation asymmetric system. All these bifurcations take place with respect to a positive solution branch that is already known. The locations of the bifurcation points are determined through an equation of a coupling parameter. A few nonexistence results of positive solutions are also given
A study of the use of plebiscites and referendums by the Province of British Columbia.
Creators: name: Adams, Audrey Marilyn
Publisher: name: University of British Columbia
Year: 2012

description: This thesis is a study of the use of plebiscites and referendums by the Province of British Columbia to discover: why they were used; what were the advantages and/or disadvantages of their use; and what significance their use to the system of responsible government. Before any conclusions could be drawn on these questions, it was necessary first to define their place in political theory. Then it was necessary to examine each plebiscite to discover what its circumstances were; what, if any, pressure groups were active pro or con the subject of the plebiscite; how did the political parties react to the plebiscite and what degree of public interest was aroused by it. To obtain this information, research was conducted into private letters and papers of the premiers concerned, if available; leading newspapers for the periods concerned; party programmes and pamphlets if available; government documents and interviews with or letters from former party members and the staffs of the Chief Electoral Officer's Department; the Attorney-General's Department and the Provincial Secretary's Department. Most of the material used was found in the University of British Columbia Library, the Vancouver Public Library, the Provincial Library, the Vancouver Archives and the Provincial Archives. There was much more material available for the plebiscites of 1909, 1916 and 1920 than for those of 1924, 1937 and 1952. Where scarcity of material prevented the drawing of valid conclusions or observations, it has been noted.