28 research outputs found
Numerical estimation of EMI impact on implantable cardiac pacemakers in elevator using EMF distributions inside human body
No full text© 2010 IEEE. Reprinted, with permission, from Hikage, T., Nojima, T., Simba, A.Y., Watanabe, S., Numerical estimation of EMI impact on implantable cardiac pacemakers in elevator using EMF distributions inside human body, 2010 IEEE Antennas and Propagation Society International Symposium (APSURSI), Jul. 2010. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Hokkaido University products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to [email protected]. By choosing to view this document, you agree to all provisions of the copyright laws protecting it
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The process of developing innovative capabilities in biotechnology: the case of UK firms
No full textThe advent of born-global bio-tech firms signal the genesis of a new business model that is emerging in the biotechnology sector. Born globals are small firms whose knowledge supply-chain includes global resources from multiple countries. Their innovation ‘ecosystems’ consists of experienced scientists, science parks, academics, well-established bio-pharmaceutical firms and government institutions. The firms plan their business based on global strategic perspectives and this significantly increases their productivity and innovativeness. But surprisingly, little is known about their capability development processes in the specialised networks of the biotechnology sector. As a result, this study explores the connectivity of various elements, within their knowledge supply-chain, and how they influence their capacity to generate new scientific knowledge and technical know-how. The study employs a multi-case approach. It examines five cases of bio-tech firms from the East Midlands region of the United Kingdom which have an entrepreneurial flair synonymous with born-global firms. The findings from within and across cases, secondary data analysis and results from a ‘pilot study’ led to the construction of a new conceptual framework of knowledge and innovative capability development. The model is created from the ideas of Freeman and others and it contributes to an understanding of the concepts of dynamic capabilities and network theories
Image pre-processing & data post-processing software dedicated to flow measurements in an automotive intake manifold
No full textThe SIMBA project had for objective to model the whole air loop of the automotive engine. In order to get boundary conditions for this model and verify it, PIV measurements were done. Simultaneously in the eight intake manifold\u92s runners of a DV6 TED4 PSA engine, acquisitions were obtained for each of the 720 crank angle degrees. Specific software (named PYV) was developed to pre-process images to deal with constraints inherent to running engine environment, and also to enable automate PIV processing
Measurement of the maximum SAR in a spherical phantom when operating a mobile phone near a metallic wall
No full textNumerical estimation of EMI impact on implantable cardiac pacemakers in elevator using EMF distributions inside human body
No full textSpecific Absorption Rates of Anatomically Realistic Human Models Exposed to RF Electromagnetic Fields From Mobile Phones Used in Elevators
No full textSpecific Absorption Rates of Anatomically Realistic Human Models Exposed to RF Electromagnetic Fields From Mobile Phones Used in Elevators
No full textThis paper presents a detailed numerical investigation to determine whether or not an increased specific absorption rate (SAR) in an adult using a mobile phone inside an elevator due to the multireflections of electromagnetic fields from the walls exceed the RF-exposure guidelines. A fully realistic heterogeneous human body model and an actual elevator size were employed. The nonuniform mesh finite-difference time-domain technique and a supercomputer were employed to obtain the SAR and other important parameters. The mobile phone was modeled as a λ/2 dipole antenna placed at a distance of 16 mm from the head. For computations, operating frequencies of 900, 1500, and 2000 MHz with transmitting power of 250 mW were used. Computed results show that the peak spatial-average 10-g SAR depends on the position of the passenger and the antenna against the elevator walls. We observed a substantial increase in the whole-body average SAR and peak 10-g SAR values of the passenger in the elevator over their respective free-space values. However, the maximum values obtained do meet the basic restrictions described in the international RF safety guidelines. For example, the maximum values of the whole-body average and peak spatial-average SAR were 4.4% and 78% of the international RF safety guideline, respectively
Sistema de gestión de la calidad para servicio al Cliente.
No full textEn cumplimiento del mandato Constitucional, los servicios proporcionados por el Estado, deben ser prestados de manera eficaz, eficiente y con calidad. En este sentido la presente investigación tiene como objetivo Implementar un Sistema de Gestión de la Calidad para Atención al Cliente en la Dirección Nacional de Registro y Asesoría al Usuario del Servicio Nacional de Contratación Pública, organismo de derecho público responsable de capacitar y asesorar en los instrumentos, herramientas y procedimientos relacionados con la contratación pública. El presente trabajo de titulación se realizó mediante investigación de campo, en base a la información proporcionada por los usuarios, e investigación documental tomando como marco de referencia la Norma ISO 9001:2008 que contiene los requisitos para un Sistema de Gestión de la Calidad. Al final de la presente investigación el autor concluye que al implementar un Sistema de Gestión de la Calidad para Servicio al Cliente, es posible mejorar los niveles de atención en la Dirección Nacional de Registro y Asesoría al Usuario del Servicio Nacional de Contratación Pública.In compliance with the Constitutional Mandate, services supplied by the State must be provided with the most efficiency and the most quality. In this sense, this research project’s objective is to implement a Quality Customer Service Management System within the National Board of Records and Public User Procurement Consulting Services. Such public law organism is responsible of training and advising instruments as well as tools and procedures related to procurement regulations. This certification project was done through field research based on information provided by the users as well as by documentary studies taking the ISO 9001:2008 framework Norm, which includes the appropriate requirements to reach a High Quality Management System. At the completion of this study, the author concludes that by implementing a Quality Customer Service Management System, quality service levels can be improved within the National Board of Records and Public User Procurement Consulting Services
Estimation of EMI Impact by Cellular Radio on Implantable Cardiac Pacemakers in Elevator Using EMF Distributions Inside Human Body
No full textThe purpose of this study is to estimate the possible effect of cellular radio on implantable cardiac pacemakers in elevators. We previously investigated pacemaker EMI in elevator by examining the E-field distribution of horizontal plane at the height of expected for implanted pacemakers inside elevators. In this paper, we introduce our method for estimating EMI impact to implantable cardiac pacemakers using EMF distributions inside the region of the human body in which pacemakers are implanted. Simulations of a human phantom in an elevator are performed and histograms are derived from the resulting EMF distributions. The computed results of field strengths are compared with a certain reference level determined from experimentally obtained maximum interference distance of implantable cardiac pacemakers. This enables us to carry out a quantitative evaluation of the EMI impact to pacemakers by cellular radio transmission. This paper uses a numerical phantom model developed based on an European adult male. The simulations evaluate EMI on implantable cardiac pacemakers in three frequency bands. As a result, calculated E-field strengths are sufficiently low to cause the pacemaker to malfunction in the region examined
