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Wyniki wyszukiwania dla: indoor environment quality

  • INDOOR AND BUILT ENVIRONMENT

    Czasopisma

    ISSN: 1420-326X , eISSN: 1423-0070

  • Influence of terpenes on indoor air quality

    Publikacja

    - Rok 2018

    The aim of this study was to investigate air quality in hairdresser salons, focusing on terpenes determination. Terpenes are known reactive volatile organic compounds that contribute to secondary organic aerosol formation. Those compounds are frequently found in cosmetic products as fragrance agents. Hairdresser salons are special kind of environment, where secondary organic aerosol concentration may be elevated. One hairdresser...

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  • Indoor Air Quality: A Bibliometric Study

    Publikacja

    - Sustainability - Rok 2018

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  • Analysis of Position Calculating Methods in Indoor Environment

    Publikacja

    - Rok 2013

    In the paper a modified gradient method has been proposed for position calculation on basis of distance measurement in indoor environment. It is shown that the well-known Chan method of position calculation is inefficient in indoor circumstances. Author presents Chan and modified gradient methods and achieved results for each one for real measurements.

  • Electronic Noses for Indoor Air Quality Assessment

    Publikacja

    - Rok 2018

    This chapter presents a proposal of the use of electronic noses in the monitoring of indoor air quality. The main focus is put on the detailed characteristics of today’s indoor air quality control methods, the types of pollution in the air, and the development of electronic noses for air testing. Currently, scientists seek methodological and structural solutions that would enable real-time online indoor air control. It has been...

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  • Passive samplers in indoor air quality control

    Publikacja

    - Rok 2005

    Przedstawiono wyniki badań jakości powietrza wewnętrznego w 12 wybranych mieszkaniach usytuowanych na terenie aglomeracji Trójmiejskiej z wykorzystaniem techniki pasywnej (dozymetria pasywna typu permeacyjnego) oraz techniki dynamicznej (rurki sorpcyjne wypełnione sorbentem Tenax TA). Wykorzystując nowe podejście do sposobu kalibracji dokonano monitoringu zarówno poszczególnych lotnych związków organicznych jak i sumarycznej zawartości...

  • Comparison of new position estimation algorithm for indoor environment

    Publikacja

    - Rok 2014

    In the paper a new position estimation algorithm based on distance measurements is presented. This algorithm is dedicated for indoor environments. In the paper the new algorithm is compared with Chan algorithm. For the comparison were used real measurements conducted inside a building.

  • Indoor air quality in public utility environments-a review

    Publikacja

    - ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH - Rok 2017

    Indoor air quality has been the object of interest for scientists and specialists from the fields of science such as chemistry, medicine and ventilation system design. This results from a considerable number of potential factors, which may influence the quality of the broadly understood indoor air in a negative way. Poor quality of indoor air in various types of public utility buildings may significantly affect an increase in the...

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  • LSTM-based method for LOS/NLOS identification in an indoor environment

    Publikacja

    - Rok 2020

    Due to the multipath propagation, harsh indoor environment significantly impacts transmitted signals which may adversely affect the quality of the radiocommunication services, with focus on the real-time ones. This negative effect may be significantly reduced (e.g. resources management and allocation) or compensated (e.g. correction of position estimation in radiolocalisation) by the LOS/NLOS identification algorithm. This paper...

  • Path Loss Analysis in Off-Body Channels in Indoor Environment

    Publikacja

    - Rok 2015

    This temporary document describes an analysis of path loss in off-body channels in an indoor environment. The influence of body orientation and on-body antenna placement on path loss in off-body communications as well as of different bodies has been investigated. Five static scenarios, six distances between body and antenna and eight body orientations were analysed; moreover, two dynamic scenarios were investigated. The smallest...