Verunreinigungen und Gase in schmelzflüssig gegossenen Steinen

Mit Hilfe von chemischen Analysen wird gezeigt, daß ZAC 1681 wesentlich weniger störende Verunreinigungen enthält als normales ZAC-Material. Daher ist ZAC 1681 stabiler gegenüber den normalerweise in Glasschmelzwannen herrschenden oxydierenden Bedingungen. Dies wird an Hand technologischer Versuche hinsichtlich der Blasenbildung, des Ausschwitzens und der Korrosion gezeigt

An Overview of Smart Shoes in the Internet of Health Things: Gait and Mobility Assessment in Health Promotion and Disease Monitoring

New smart technologies and the internet of things increasingly play a key role in healthcare and wellness, contributing to the development of novel healthcare concepts. These technologies enable a comprehensive view of an individual’s movement and mobility, potentially supporting healthy living as well as complementing medical diagnostics and the monitoring of therapeutic outcomes. This overview article specifically addresses smart shoes, which are becoming one such smart technology within the future internet of health things, since the ability to walk defines large aspects of quality of life in a wide range of health and disease conditions. Smart shoes offer the possibility to support prevention, diagnostic work-up, therapeutic decisions, and individual disease monitoring with a continuous assessment of gait and mobility. This overview article provides the technological as well as medical aspects of smart shoes within this rising area of digital health applications, and is designed especially for the novel reader in this specific field. It also stresses the need for closer interdisciplinary interactions between technological and medical experts to bridge the gap between research and practice. Smart shoes can be envisioned to serve as pervasive wearable computing systems that enable innovative solutions and services for the promotion of healthy living and the transformation of health care

Environmental impacts at the Brava Hills construction site, in Balneário Camboriú - SC

O canteiro de obras se desenvolve de forma bastante dinâmica, gerando hábitos operacionais e junto com eles consequências positivas e negativas. O objetivo geral deste trabalho foi levantar os impactos ambientais do canteiro de obras do empreendimento Brava Hills, em Balneário Camboriú - SC, e os objetivos específicos foram verificar os impactos ambientais nos meios físico, biótico e antrópico; propor uma matriz de aspectos e impactos ambientais para analisar o canteiro de obras; e sugerir formas de mitigar os impactos ambientais encontrados. A pesquisa teve uma abordagem qualitativa, método exploratório e descritivo, e tipo de pesquisa de estudo de caso. Sobre o meio físico - solo, ar e água, os impactos foram causados pela movimentação de terra e pelo funcionamento das máquinas. Os impactos sobre o meio biótico ocorreram devido a retirada de vegetação do local. Os impactos sobre o meio antrópico foram a alteração da qualidade paisagística e a contaminação biológica.The construction site develops in a very dynamic way, generating operational habits and together with them positive and negative consequences. The general objective of this work was to raise the environmental impacts of the construction site of the Brava Hills project, in Balneário Camboriú - SC, and the specific objectives were to verify the environmental impacts in the physical, biotic and anthropic environments; propose a matrix of environmental aspects and impacts to analyze the construction site; and suggest ways to mitigate the environmental impacts encountered. The research had a qualitative approach, exploratory and descriptive method, and type of case study research. On the physical environment - soil, air and water, the impacts were caused by the movement of earth and the operation of the machines. The impacts on the biotic environment occurred due to the removal of vegetation from the site. The impacts on the anthropic environment were alteration of the landscape quality and biological contamination

An Overview of Smart Shoes in the Internet of Health Things: Gait and Mobility Assessment in Health Promotion and Disease Monitoring

New smart technologies and the internet of things increasingly play a key role in healthcare and wellness, contributing to the development of novel healthcare concepts. These technologies enable a comprehensive view of an individual’s movement and mobility, potentially supporting healthy living as well as complementing medical diagnostics and the monitoring of therapeutic outcomes. This overview article specifically addresses smart shoes, which are becoming one such smart technology within the future internet of health things, since the ability to walk defines large aspects of quality of life in a wide range of health and disease conditions. Smart shoes offer the possibility to support prevention, diagnostic work-up, therapeutic decisions, and individual disease monitoring with a continuous assessment of gait and mobility. This overview article provides the technological as well as medical aspects of smart shoes within this rising area of digital health applications, and is designed especially for the novel reader in this specific field. It also stresses the need for closer interdisciplinary interactions between technological and medical experts to bridge the gap between research and practice. Smart shoes can be envisioned to serve as pervasive wearable computing systems that enable innovative solutions and services for the promotion of healthy living and the transformation of health care

Journal historique du siége de Saragosse ; suivi d'Un coup d'oeil sur l'Andalousie

Copia digital. Madrid : Ministerio de Cultura. Subdirección General de Coordinación Bibliotecaria, 200

Gemini near infrared field spectrograph observations of the Seyfert 2 galaxy Mrk 573 : in situ acceleration of ionized and molecular gas off fueling

We present near-infrared and optical emission-line and stellar kinematics of the Seyfert 2 galaxy Mrk 573 using the Near-Infrared Field Spectrograph (NIFS) at Gemini North and Dual Imaging Spectrograph at Apache Point Observatory, respectively. By obtaining full kinematic maps of the infrared ionized and molecular gas and stellar kinematics in a ∼700×2100pc2 circumnuclear region of Mrk573, we find that kinematics within the Narrow- Line Region are largely due to a combination of both rotation and in situ acceleration of material originating in the host disk. Combining these observations with large-scale, optical long-slit spectroscopy that traces ionized gas emission out to several kpcs, we find that rotation kinematics dominate the majority of the gas. We find that outflowing gas extends to distances less than 1 kpc, suggesting that outflows in Seyfert galaxies may not be powerful enough to evacuate their entire bulges

Validation of a new fully automated software for 2D digital mammographic breast density evaluation in predicting breast cancer risk.

We compared accuracy for breast cancer (BC) risk stratification of a new fully automated system (DenSeeMammo-DSM) for breast density (BD) assessment to a non-inferiority threshold based on radiologists' visual assessment. Pooled analysis was performed on 14,267 2D mammograms collected from women aged 48-55 years who underwent BC screening within three studies: RETomo, Florence study and PROCAS. BD was expressed through clinical Breast Imaging Reporting and Data System (BI-RADS) density classification. Women in BI-RADS D category had a 2.6 (95% CI 1.5-4.4) and a 3.6 (95% CI 1.4-9.3) times higher risk of incident and interval cancer, respectively, than women in the two lowest BD categories. The ability of DSM to predict risk of incident cancer was non-inferior to radiologists' visual assessment as both point estimate and lower bound of 95% CI (AUC 0.589; 95% CI 0.580-0.597) were above the predefined visual assessment threshold (AUC 0.571). AUC for interval (AUC 0.631; 95% CI 0.623-0.639) cancers was even higher. BD assessed with new fully automated method is positively associated with BC risk and is not inferior to radiologists' visual assessment. It is an even stronger marker of interval cancer, confirming an appreciable masking effect of BD that reduces mammography sensitivity

Single pulse nanosecond laser‐stimulated targeted delivery of anti‐cancer drugs from hybrid lipid nanoparticles containing 5 nm gold nanoparticles

ABSTRACT: Encapsulating chemotherapeutic drugs like doxorubicin (DOX) inside lipid nanoparticles (LNPs) can overcome their acute, systematic toxicity. However, a precise drug release at the tumor microenvironment for improving the maximum tolerated dose and reducing side effects has yet to be well-established by implementing a safe stimuli-responsive strategy. This study proposes an integrated nanoscale perforation to trigger DOX release from hybrid plasmonic multilamellar LNPs composed of 5 nm gold (Au) NPs clustered at the internal lamellae interfaces. To promote site-specific DOX release, a single pulse irradiation strategy is developed by taking advantage of the resonant interaction between nanosecond pulsed laser radiation (527 nm) and the plasmon mode of the hybrid nanocarriers. This approach enlarges the amount of DOX in the target cells up to 11-fold compared to conventional DOX-loaded LNPs, leading to significant cancer cell death. The simulation of the pulsed laser interactions of the hybrid nanocarriers suggests a release mechanism mediated by either explosive vaporization of thin water layers adjacent to AuNP clusters or thermo-mechanical decomposition of overheated lipid layers. This simulation indicates an intact DOX integrity following irradiation since the temperature distribution is highly localized around AuNP clusters and highlights a controlled light-triggered drug delivery system

Technological developments as an answer to bridge management challenges

IABSE Symposium 2019, Towards a Resilient Built Environment - Risk and Asset Management, GUIMARAES, PORTUGAL, 27-/03/2019 - 29/03/2019Bridge management is a challenge as owners have to deal with limited financial resources to maintain the functionalities and safety of ageing structures. Demands on transportation networks change, due to regulatory developments, society's evolution and shifts with high expectations on the operational performance of roadway bridges with reduced congestion, delay, and accidents. To minimize intrusion in the transport flow, inspection and monitoring methods should be non?destructive, minimally invasive. They should be capable of yielding rapid and accurate inspection results allowing an adequate response from the asset manager. Research aims at including autonomously operating equipment (e.g. robotics), non?intrusive (remote or proximity) observation techniques, or other methods that ensure quality and performance control of the roadway bridges in time, more safely, more quickly and/or to a higher degree of accuracy and precision.The innovation subgroup in COST action TU1406 investigates novel condition monitoring and sensing technologies for the assessment of structural serviceability and safety. Advanced, integrated, cost-effective and reliable instrumentation solutions, techniques and concepts are looked at with the aim to provide data, that will be used to compute innovative performance indicators. In this context, this paper briefly reminds some significant challenges associated with bridge management and presents three examples of innovation in bridge monitoring and NDT investigation techniques