Results 11 to 20 of about 14,134,494 (244)

ENVIE Co-ordination action on indoor air quality and health effects; WP3 Final report – Characterisation of spaces and source [PDF]

open access: yes, 2012
Human exposure to environmental pollutants occurs via various pathways. For many pollutants, especially the volatile ones, air exposure is the dominant pathway.
de Oliveira Fernandes, Eduardo   +4 more
core   +7 more sources

Evaluating and improving worldwide implementation of future air navigation systems [PDF]

open access: yes, 2001
Air traffic congestion problems in many areas of the world are well known and have been highly publicised in recent years. This airspace dilemma, which results in delays and other undesirable knock-on effects, is escalating at a phenomenal rate and ...
Whelan, Conor
core   +7 more sources

Closed-loop bulk air conditioning: A renewable energy-based system for deep mines in arctic regions

open access: yesInternational Journal of Mining Science and Technology, 2020
With depletion of shallow deposits, the number of underground mines expected to reach more than 3 km depth during their lifetime is growing. Although surface cooling plants are mostly effective in mine air-conditioning, usually secondary cooling units ...
Ali Fahrettin Kuyuk   +2 more
doaj   +1 more source

Studying Cybersecurity in Civil Aviation, Including Developing and Applying Aviation Cybersecurity Risk Assessment

open access: yesIEEE Access, 2021
In addition to the importance of safety in civil aviation, the significance of cybersecurity in the aviation sector cannot be ignored, and this fact has often been highlighted owing to frequent cyber-attacks that denigrate victim(s) and also lead to ...
Ahmed Abdelwahab Elmarady, Kamel Rahouma
doaj   +1 more source

Improvement of Solid-Gas Interaction in Fluidized Bed Systems via Secondary Air- Injection

open access: yesMATEC Web of Conferences, 2017
Since the invention of fluidized bed systems to augment chemical reactions, numerous innovations were introduced to the system. These innovations result-in substantial improvement to the overall efficiency apart from resulting the fluidized bed system to
Mohideen Batcha Mohd Faizal   +2 more
doaj   +1 more source

Good Systems Network Meeting [PDF]

open access: yes, 2020
You're viewing a past event from the Good Systems Grand Challenge team at The University of Texas at Austin that contains two presentations from May 19, 2020.Office of the VP for ...
Good Systems
core   +1 more source

Association between climate fluctuations and dengue fever outbreaks in Surakarta (2023–2024) [PDF]

open access: yesE3S Web of Conferences
Dengue fever is a persistent public health challenge in tropical regions, where climate variability influences vector dynamics and transmission. This study investigates the association between climate fluctuations and dengue outbreaks in Surakarta during
Nurhayatun Evi, Ulfia Mila
doaj   +1 more source

Changes in vital signs, ventilation mode, and catecholamine use during intensive care aeromedical evacuation flights

open access: yesFrontiers in Public Health, 2023
IntroductionEspecially after (natural) disasters, local health systems are also destroyed or their ability to work is massively restricted. The transport of injured patients is therefore often necessary for further care.
Janina Post   +4 more
doaj   +1 more source

The Effect of the Purge–Mainstream Density Ratio on Rim Seal Fluid Mechanics

open access: yesInternational Journal of Turbomachinery, Propulsion and Power
Significant density ratios arise in a gas turbine due to severe temperature gradients between the hot mainstream gases leaving the combustor and the superposed purge flow injected from the secondary air system. Engineers seek to minimise the ingestion of
Jason S. Boldero   +5 more
doaj   +1 more source

RSM-Based Performance Optimization of Coal-Fired CFB Boilers for Energy Efficiency [PDF]

open access: yesE3S Web of Conferences
This study experimentally and numerically investigates the environmental and energy performance optimization of a 150 MW coal-fired circulating fluidized bed (CFB) boiler using Response Surface Methodology–Central Composite Design (RSM-CCD) in accordance
del Rosario Renz Lui, Honra Jaime
doaj   +1 more source

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