Dynamic Contact Angles under Evaporation

Wetting kinetics in the presence of heat transfer, evaporation, and Marangoni effect has been explored using a method used by Joanny and de Gennes [C. R. Acad. Sci. Ser. II 299, 279 (1984)]. The method solves for the dynamic contact angle alpha by equating the rate of surface work to the rate of dissipation. The result in the form of dynamic contact angle alpha as a function of capillary number Ca agrees well with existing experimental data. Qualitative comparisons have been made in cases where quantitative data do not exist. Finally, a form of contact line instability is predicted, for which some experimental justifications are seen

Misanthropic Person Memory when the Need to Self-Enhance is Absent

This research examined the role that the removal of the need or ability to self-enhance can play in the misanthropic processing of attributed behavioral information (i.e., remembering best negative, internally attributed behaviors and positive externally attributed behaviors). Experiment 1demonstrated that removing a person’s need to self-enhance by increasing his or her self-esteem eliminated misanthropic memory, whereas misanthropy was preserved for control participants and perceivers who had experienced a decrease in self-esteem. Furthermore, controlling for participants’ self-evaluations eliminated the memory pattern differences between the two experimental conditions. Experiment 2 demonstrated that canceling the ability to self-enhance by having perceivers form an impression of themselves eliminated the misanthropy effect. However, the misanthropy effect was replicated when perceivers learned about an unknown other. The results were discussed with regard to the situations and factors that can increase or reduce the need to self-enhance and their implications for social information processing.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/68679/2/10.1177_0146167299025002011.pd

“I h 8 u”: Findings from a five-year study of text and e-mail bullying

Copyright @ 2010 British Educational Research Association. The final version of this article is available at the link below.This study charts reports of nasty or threatening text and e-mail messages received by students in academic years 7 and 8 (11-13 years of age) attending 13 secondary schools in the North of England between 2002-2006. Annual surveys were undertaken on behalf of the local education authority (LEA) to monitor bullying. Results indicated that, over five years, the number of pupils receiving one or more nasty or threatening text messages or e-mails increased significantly, particularly among girls. However, receipt of frequent nasty or threatening text and e-mail messages remained relatively stable. For boys, being a victim of direct-physical bullying was associated with receiving nasty or threatening text and e-mail messages; for girls it was being unpopular among peers. Boys received more hate-related messages and girls were primarily the victims of name-calling, Findings are discussed with respect to theoretical and policy developments, and recommendations for future research are offered

Direct Spectroscopic Identification of the Origin of 'Green Fuzzy' Emission in Star Forming Regions

"Green fuzzies" or "extended green objects" were discovered in the recent Spitzer GLIMPSE survey data. These extended sources have enhanced emission in the 4.5um IRAC channel images (which are generally assigned to be green when making 3-color RGB images from Spitzer data). Green fuzzies are frequently found in the vicinities of massive young stellar objects, and it has been established that they are in some cases associated with outflows. Nevertheless, the spectral carrier(s) of this enhanced emission is still uncertain. Although it has been suggested that Br Alpha, H2, [Fe II], and/or broad CO emission may be contributing to and enhancing the 4.5um flux from these objects, to date there have been no direct observations of the 4-5um spectra of these objects. We report here on the first direct spectroscopic identification of the origin of the green fuzzy emission. We obtained spatially resolved L and M band spectra for two green fuzzy sources using NIRI on the Gemini North telescope. In the case of one source, G19.88-0.53, we detect three individual knots of green fuzzy emission around the source. The knots exhibit a pure molecular hydrogen line emission spectrum, with the 4.695um v=0-0 S(9) line dominating the emission in the 4-5um wavelength range, and no detected continuum component. Our data for G19.88-0.53 prove that green fuzzy emission can be due primarily to emission lines of molecular hydrogen within the bandpass of the IRAC 4.5um channel. However, the other target observed, G49.27-0.34, does not exhibit any line emission and appears to be an embedded massive young stellar object with a cometary UC HII region. We suggest that the effects of extinction in the 3-8um wavelength range and an exaggeration in the color stretch of the 4.5um filter in IRAC RGB images could lead to embedded sources such as this one falsely appearing "green".Comment: 10 pages, 5 figures; Accepted for publication by A

Edificio para Hidroeléctrica Española - Madrid – España

The present article describes the organic composition of this administrative building, its installations and decoration, as well as the construction system applied. The description is superficial, but together with the plans and photos, a complete vision can be obtained of this structure.Se describe en este artículo la composición orgánica de este edificio administrativo, su funcionamiento, instalaciones y decoración, así como el sistema constructivo adoptado. Todo ello se hace de forma somera, pero, junto con los planos y fotografías que lo ilustran, se obtiene una visión completa de la obra realizada

Osteotomía de Weil percutánea en el tratamiento de las metatarsalgias: correlación clínico-radiológica

El objetivo del presente trabajo fue evaluar los resultados de la osteotomía de Weil percutánea para el tratamiento de la metatarsalgia de origen mecánico. Para ello, se revisaron de forma retrospectiva los primeros 28 casos consecutivos intervenidos mediante osteotomía de Weil percutánea en pacientes con metatarsalgia mecánica por sobrecarga de los metatarsianos centrales. Se entrevistó a la totalidad de los pacientes, evaluando los resultados radiológicos, estéticos y funcionales, utilizando para ello la Escala de Valoración funcional AOFAS (American Orthopaedic Foot and Ankle Society) para el antepié. Los resultados fueron considerados como buenos o excelentes desde el punto de vista funcional en 81% de los pies intervenidos y en el 89% desde el punto de vista estético. La puntuación final media en la escala AOFAS fue de 78,3. Tuvimos 3 casos de infección por estafilococo aureus que se resolvieron con tratamiento antibiótico específico. No se observaron pseudoartrosis. Por todo ello, consideramos que la osteotomía de Weil es una técnica adecuada y segura para tratar las metatarsalgias de causa mecánica.The aim of this retrospective study was to evaluate the short-term results after percutaneous Weil osteotomy for the treatment secondary metatarsalgia related to repetitive high-pressure loading under the metatarsal heads. We analyzed retrospectively clinical and radiological outcome of 28 consecutive patients who were treated with percutaneous, subcapital osteotomy for metatarsalgia with overload etiology. Analysis of the esthetic, functional and radiologic results was performed using AOFAS forefoot score. Good to excellent functional results were achieved in 81% of the feet, cosmetic in 89% with average score 78,3 points. Three patients developed a superficial wound infections, which responded to antibiotics. Union occurred in all cases. Percutaneous Weil osteotomy is safe and effective technique for treatment of secondary metatarsalgia with mechanic etiology

A new young stellar cluster embedded in a molecular cloud in the far outer Galaxy

We report the discovery of a new young stellar cluster and molecular cloud located in the far outer Galaxy, seen towards IRAS 06361-0142, and we characterise their properties. Near-infrared images were obtained with VLT/ISAAC through JHKs filters, millimetre line observations of CO(1-0) were obtained with SEST, and VLA 6 cm continuum maps obtained from archive data. The cloud and cluster are located at a distance of 7 kpc and a Galactocentric distance of 15 kpc, well in the far outer Galaxy. Morphologically, IRAS 06361-0142 appears as a cluster of several tens of stars surrounded by a nearly spherical nebular cavity centred at the position of the IRAS source. The cluster appears composed of low and intermediate-mass, young reddened stars with a large fraction having cleared the inner regions of their circumstellar discs responsible for (H - Ks) colour excess. The observations are compatible with a 4 Myr cluster with variable spatial extinction between Av = 6 and Av = 13.Comment: 6 pages, 6 figure

Advanced Hybrid Spacesuit Concept Featuring Integrated Open Loop and Closed Loop Ventilation Systems

A document discusses the design and prototype of an advanced spacesuit concept that integrates the capability to function seamlessly with multiple ventilation system approaches. Traditionally, spacesuits are designed to operate both dependently and independently of a host vehicle environment control and life support system (ECLSS). Spacesuits that operate independent of vehicle-provided ECLSS services must do so with equipment selfcontained within or on the spacesuit. Suits that are dependent on vehicle-provided consumables must remain physically connected to and integrated with the vehicle to operate properly. This innovation is the design and prototype of a hybrid spacesuit approach that configures the spacesuit to seamlessly interface and integrate with either type of vehicular systems, while still maintaining the ability to function completely independent of the vehicle. An existing Advanced Crew Escape Suit (ACES) was utilized as the platform from which to develop the innovation. The ACES was retrofitted with selected components and one-off items to achieve the objective. The ventilation system concept was developed and prototyped/retrofitted to an existing ACES. Components were selected to provide suit connectors, hoses/umbilicals, internal breathing system ducting/ conduits, etc. The concept utilizes a lowpressure- drop, high-flow ventilation system that serves as a conduit from the vehicle supply into the suit, up through a neck seal, into the breathing helmet cavity, back down through the neck seal, out of the suit, and returned to the vehicle. The concept also utilizes a modified demand-based breathing system configured to function seamlessly with the low-pressure-drop closed-loop ventilation system