Search results for "LABOR"
showing 10 items of 3876 documents
Recent results from PHENIX on the evolution of hot QCD
2014
The Relativistic Heavy Ion Collider’s (RHIC) energy scan program explores the phase transition between the hadron gas and the quark gluon plasma phases by varying center-of-mass energies from √sNN = 7.7 to 200 GeV and using various system sizes. The nuclear modification factor of π0 and the azimuthal anisotropy of charged hadrons were measured in Au+Au collisions at c.m. energies √sNN = 39, 62.4 and 200 GeV. In addition, we present recent results of direct photon yield and anisotropy measurements in Au+Au collisions at c.m. energy √sNN = 200 GeV.
Highly stable Zerodur based optical benches for microgravity applications and other adverse environments
2019
A number of cold atom experiments are restrained by the impeding effects of gravity. While efforts have been made to overcome these limitations in a gravitational environment, another approach is placing the experiment in a microgravity environment, as can be found aboard sounding rockets, satellites or a space station. The cornerstone of such experiments is a robust laser system. The adverse conditions during a rocket launch impose stringent requirements on thermal stability and resilience against mechanical stress on this part of the experimental setup. Furthermore, the very limited space found on any of the aforementioned microgravity platforms necessitates maximal miniaturization. In or…
Tevatron constraints on models of the Higgs boson with exotic spin and parity using decays to bottom-antibottom quark pairs.
2015
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Validity of a Questionnaire for the Assessment of Work-related Musculoskeletal Symptoms and Physical Demands
2011
Fundamentos: En las intervenciones de ergonomía participativa es frecuente utilizar cuestionarios autoadministrados para obtener información acerca de los daños y riesgos ergonómicos percibidos por los trabajadores. El objetivo de este estudio es evaluar la validez de un cuestionario diseñado para su utilización en este tipo de programas. Métodos: Participaron 35 trabajadores voluntarios de diez empresas de Valencia y Alicante. El trabajo de campo se realizó en 2009. Se siguieron tres estrategias: análisis de repetibilidad en dos vueltas del cuestionario, comparación de las respuestas al cuestionario (primera vuelta) con la información obtenida mediante observación directa de los puestos de…
A retrospective international study on factors associated with injury, discomfort and pain perception among cyclists
2019
International audience; Although cycling has been associated with overuse/fatigue and acute injuries, there is lack of information regarding associated risk factors and prevention factors. The objective of the study was to determine the factors associated with injury, and perceptions of discomfort and pain in cyclists. A total of 739 cyclists completed an online questionnaire between February and October 2016. The questionnaire acquired information on participant demographics, characteristics related to cycling profile and fitness training, bike components and cycling posture, self-reported perceptions of comfort and pain, and injuries sustained in the last 12 months. Logistic regression mo…
Validity of a Questionnaire for the Assessment of Work-related Musculoskeletal Symptoms and Physical Demands
2011
Fundamentos: En las intervenciones de ergonomía participativa es frecuente utilizar cuestionarios autoadministrados para obtener información acerca de los daños y riesgos ergonómicos percibidos por los trabajadores. El objetivo de este estudio es evaluar la validez de un cuestionario diseñado para su utilización en este tipo de programas. Métodos: Participaron 35 trabajadores voluntarios de diez empresas de Valencia y Alicante. El trabajo de campo se realizó en 2009. Se siguieron tres estrategias: análisis de repetibilidad en dos vueltas del cuestionario, comparación de las respuestas al cuestionario (primera vuelta) con la información obtenida mediante observación directa de los puestos de…
Infection risks of city canal swimming events in the Netherlands in 2016.
2018
Introduction Swimming events in city canals are gaining popularity in the Netherlands, even though canal water is usually not officially designated for recreational use. Knowledge regarding the risk of infection after swimming in canals is limited. An outbreak was reported in 2015 following a canal swimming event in Utrecht, the Netherlands. Local governments were concerned about the health risks of such events. In order to assess the safety of canal swimming, the Public Health Service (PHS) prospectively investigated two city canal swimming events in 2015. In 2016, we repeated this study, aiming to prospectively determine the risks of infection during two urban swimming events, the Utrecht…
Sostenibilidad y laboratorios escolares
2007
In this work we present a study of how environmental sustainability deals with on secondary school centres. The analysis includes the current status in teaching chemistry at secondary level: laboratory teaching, classroom books and the point of view of chemistry teachers about the environmental hazard of some of the chemicals used along in these tasks. In order to derive conclusions we start proposing the following questions: 1. Which dangerous substances for the environment can be found in the secondary school laboratories and how frequently are they used? 2. What is done with the products after a chemical reaction? 3. Are the chemistry teachers aware of the dangerous substances used and s…
Química para un mundo sostenible: ¿Qué hacer desde los laboratorios?
2009
El presente trabajo pretende mostrar los logros conseguidos en los laboratorios docentes de la Facultad de Química de la Universidad de Valencia tras el proceso de reducción de las cantidades con las que los estudiantes realizan las prácticas de química. El cambio de modelo de trabajo a una escala más reducida permite una serie de ventajas económicas y medioambientales como consecuencia de la disminución en las cantidades de residuos generados.
Role of collaborative supply chain of innovation in firm’s performance
2014
This work depicts the Supply Chain of Innovation (SCoI) including only those kinds of relationships related to the purchase and selling of R&D commodities. The theoretical framework represents the propensity of a firm in improving its innovation performance thanks to its collaboration experience and positioning in SCoI. We validate our theoretical framework on a sample of 208 biotechnology companies involved in 814 SCoI agreements. Our results show the positive direct impact of SCoI collaboration experience on innovation performance and a mediating role of positioning in SCoI on the abovementioned link.