Results 81 to 90 of about 33,832 (292)

An integrated approach to indoor contaminant modelling [PDF]

, 2006
Air pollutants are those chemicals that are not generally present in the atmosphere because of natural causes but are disseminated into the air by human activity. In most parts of Europe, outdoor pollutants are principally the products of combustion from
Samuel, A.A.A., Strachan, P.A.
core  

Learning in the workplace : the case of air traffic control [PDF]

, 1999
This thesis is intended to make a contribution to the growing literature concerned with learning in the workplace. It presents a detailed analysis of learning in one type of work activity - air traffic control.
Christine Owen (14746048)
core   +1 more source

Perceived importance and didactic difficulty of chemistry education: Insights from Czech teachers

The Curriculum Journal, EarlyView.
Abstract This empirical study examines how chemistry teachers in lower and upper secondary schools in the Czech Republic evaluate the content of the chemistry curriculum, focussing on its perceived importance and didactic difficulty. Based on a quantitative survey (N = 146), the study provides insight into the pedagogical content knowledge of ...
Jitka Lorenzová, Blanka Jirkovská, Martin Čapek Adamec, Jan Havlík, Petr Holzhauser, Daniela Nováková, Karel Němejc   +6 more
wiley   +1 more source

Monitoring and occupational health risk assessment of key volatile organic compounds in workplace air based on qualitative monitoring

环境与职业医学
BackgroundOccupational hazards in the workplace are often determined through on-site investigations and recognized hazards to determine monitoring items, and occupational health risk assessments are rarely carried out on the monitoring results ...
Xiaoxia XIANG, Xuejian ZHANG, Yang LIU, Liu HE, Jun LUO   +4 more
doaj   +1 more source

Advances in vital‐sign prediction and early‐warning models for underground coal mine workers integrating environmental factors

Deep Underground Science and Engineering, EarlyView.
This review synthesizes advances in predicting miners' vital signs by integrating environmental monitoring (dust, temperature, and gas) with physiological data. It highlights multi‐source data fusion techniques and early‐warning models for enhanced occupational safety in underground coal mines.
Junji Zhu, Dawei Cui, Yingjie Liu, Yuntao Liang, Yue Zhang   +4 more
wiley   +1 more source

Direct-reading methods for analysis of volatile organic compounds and nanoparticles in workplace air [PDF]

This review aims to characterize direct-reading methods for analysis of volatile organic compounds (VOCs) and nanoparticles (NPs) in workplace air, in terms of general operating principles, analytical parameters, advantages and limitations.
Rocha-Santos, Teresa A. P., Justino, Celine I. L., Duarte, Kátia, Freitas, Ana Cristina, Duarte, Armando C.   +4 more
core   +1 more source

Natural language processing‐based emotion and usage analysis of an AI‐powered chatbot for epilepsy support

Epilepsia Open, EarlyView.
Abstract Objective Artificial intelligence (AI)‐powered chatbots are increasingly used for patient education and mental health support, yet their effectiveness in epilepsy care remains underexplored. This study examines text‐based interactions between users and EpiloBot, an epilepsy‐focused chatbot, to understand conversational patterns and emotional ...
Keiichi Watanuki, Ryoya Oba, Naoki Nozawa, Tomoki Ishihara, Koko Oga, Takayuki Iwayama, Takafumi Shiganami, Sayaka Kobayashi, Hironori Kuga, Haruo Yoshimasu, Izumi Kuramochi   +10 more
wiley   +1 more source

Determination of hydrogen sulfide in workplace air by continuous flow analysis - methylene blue photometric method

Zhiye weisheng yu yingji jiuyuan
Objective The detection method of hydrogen sulfide in the workplace air by continuous flow analysis-methylene blue photometric method was established to improve the stability of hydrogen sulfide absorption solution and provide a scientific basis for ...
HENG Qianqing
doaj   +1 more source

Influencing factors and correlation analysis of ventilation and cooling in deep excavation roadway

Case Studies in Thermal Engineering, 2019
Aiming at ameliorate poor working environment and high temperature in deep excavation roadway, cooling rate η, and optimal k-value solution were used as the evaluation index.
Wei Dingyi, Du Cuifeng, Xu Haiyue, Zhang Lianfu   +3 more
doaj   +1 more source

Technical Basis for Radiological Workplace Air Monitoring and Sampling for the River Corridor Project 300 area [PDF]

, 2000
This report documents the technical basis by which the workplace air monitoring and sampling program is operated in the 324 and 327 ...
Mantooth, D. S.
core   +1 more source