Results 21 to 30 of about 10,784 (222)

The Traveling Firefighter Problem [PDF]

, 2021
We introduce the $L_p$ Traveling Salesman Problem ($L_p$-TSP), given by an origin, a set of destinations, and underlying distances. The objective is to schedule a destination visit sequence for a traveler of unit speed to minimize the Minkowski $p$-norm of the resulting vector of visit/service times.
Majid Farhadi, Alejandro Toriello, Prasad Tetali   +2 more
openaire   +2 more sources

Serum PFAS in Aircraft Rescue and Firefighting (ARFF) Firefighters From Six U.S. Airport Fire Departments. [PDF]

Am J Ind Med
ABSTRACT Introduction Use of aqueous film‐forming foam (AFFF) is a source of exposure to per‐ and polyfluoroalkyl substances (PFAS) for firefighters working in aircraft rescue and firefighting (ARFF) settings. However, data characterizing the association between serum PFAS concentrations and exposure risk factors for ARFF firefighters are limited ...
Calkins MM, Liu Y, Horn G, Calafat AM, Graber JM, Beitel SC, Caban-Martinez AJ, Botelho JC, Krause R, Mathis R, Hughes J, Grant C, Goodrich JM, Nematollahi A, Jung AM, Coleman AD, Littau S, Hawkes BA, Mayer AC, Burgess JL.   +19 more
europepmc   +2 more sources

Online Firefighting on Trees [PDF]

, 2018
In the Firefighter problem, introduced by Hartnell in 1995, a fire spreads through a graph while a player chooses which vertices to protect in order to contain it. In this paper, we focus on the case of trees and we consider as well the Fractional Firefighter game where the amount of protection allocated to a vertex lies between 0 and 1.
Coupechoux, Pierre, Demange, Marc, Ellison, David, Jouve, Bertrand   +3 more
openaire   +2 more sources

Physical fitness levels of South Korean national male and female firefighters

Journal of Exercise Science & Fitness, 2020
Background/Objecitves: Fire-fighting is highly required with aerobic fitness, strength, and body composition. However, there is a lack of comprehensive physical fitness data for South Korean firefighters.
Kyoungmin Noh, Kyunghee Lee, Parivash Jamrasi, Yanjie Zhang, Seiyeong Park, Dongil Seo, Jung-Jun Park, Hanjoon Lee, Hyunjoo Kang, Chung Gun Lee, YEON-SOON AHN, Wook Song   +11 more
doaj   +1 more source

Sleep Patterns of Firefighters with Shift Working Schedules in Seoul Metropolitan Area [PDF]

Sleep Medicine Research, 2017
Background and Objective Firefighters suffer from irregular and inadequate sleep, often due to their shift work schedule. The purpose of this study was to investigate the shift work schedules and their effects on the quality of sleep in Korean ...
Hyun Woo Kim, Soo-Mi Jung, Yun Seo Choi, Sol Ah Kim, Hye-Young Joung, Eui-Jung Kim, Hyeon Jin Kim   +6 more
doaj   +1 more source

Energy Cost of the Trondheim Firefighter Test for Experienced Firefighters [PDF]

International Journal of Occupational Safety and Ergonomics, 2013
The aim of this study was to measure aerobic demands of fire fighting activities including exercise in the heat.Twenty-two experienced firefighters performed the Trondheim test simulating fire fighting tasks including work in the heat. Maximal oxygen uptake (VO2 max), heart rate (HR) and ventilation were recorded continuously.
Erna, von Heimburg, Jon Ingulf, Medbø
openaire   +2 more sources

Consequences of facilities, vehicle, and equipment failures in United States federal wildland firefighter retention and morale

Journal of Safety and Sustainability
Equipment malfunctions and failures are a common cause of workplace injury. Here, we examined experiences with equipment, vehicles, and infrastructure malfunctions and failures, associated injuries, illnesses and casualties, and confidence in repair and ...
Grace DeBusschere, Heather Byrne, Victoria Augustino, Rachel Granberg, Seth Pearson, Robin Verble   +5 more
doaj   +1 more source

Parameterized complexity of firefighting

Journal of Computer and System Sciences, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cristina Bazgan, Morgan Chopin, Marek Cygan, Michael R. Fellows, Fedor V. Fomin, Erik Jan van Leeuwen   +5 more
openaire   +4 more sources

Sizing Firefighters [PDF]

Human Factors: The Journal of the Human Factors and Ergonomics Society, 2014
Objective: This article reports new anthropometric information of U.S. firefighters for fire apparatus design applications (Study 1) and presents a data method to assist in firefighter anthropometric data usage for research-to-practice propositions (Study 2).
Hongwei Hsiao, Jennifer Whitestone, Tsui-Ying Kau, Richard Whisler, J. Gordon Routley, Michael Wilbur   +5 more
openaire   +2 more sources

IDO-expressing Fibroblasts Suppress the Development of Imiquimod-induced Psoriasis-like Dermatitis

Cell Transplantation, 2018
Psoriasis is a chronic skin condition whose pathogenesis is reported to be due to the activation of the interleukin-23/interleukin-17 (IL-23/IL-17) pathway. Here, we report that indoleamine 2,3-dioxygenase (IDO)-expressing fibroblasts reduce the activity
Sanam Salimi Elizei, Mohammadreza Pakyari, Mehraneh Ghoreishi, Ruhangiz Kilani, Sanaz Mahmoudi, Aziz Ghahary   +5 more
doaj   +1 more source