Results 61 to 70 of about 292,660 (226)

How to match the optimal currently available inhaler device to an individual child with asthma or recurrent wheeze [PDF]

open access: yes, 2015
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in ...
Dekhuijzen, Richard   +6 more
core   +5 more sources

Formation of Hole Punch Clouds

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 1, 16 January 2026.
Abstract Hole‐punch clouds (HPCs) are circular or oval cloudless holes in thin supercooled cloud layers. They are believed to be generated by aircraft passing through supercooled cloud layers; however, the exact formation mechanisms remain poorly understood due to the scarcity of observations.
S. Iwasaki, H. Fujii
wiley   +1 more source

Environmental Effects of Space Shuttle Solid Rocket Motor Exhaust Plumes [PDF]

open access: yes
The deposition of NOx and HCl in the stratosphere from the space shuttle solid rocket motors (SRM) and exhaust plume is discussed. A detailed comparison between stratospheric deposition rates using the baseline SRM propellant and an alternate propellant,
Hwang, B., Pergament, H. S.
core   +1 more source

Childhood asthma and beyond [PDF]

open access: yes, 2001
Consists of the edited transcripts of Witness Seminars organized by the History of Twentieth Century Medicine Group and held at the Wellcome Institute for the History of Medicine, London, on 4 April 2000.First published by the Wellcome Trust Centre for ...
Reynolds, LA, Tansey, EM
core   +2 more sources

Ignition and combustion characteristics of metallized propellants [PDF]

open access: yes
Research designed to develop detailed knowledge of the secondary atomization and ignition characteristics of aluminum slurry propellants was started. These processes are studied because they are the controlling factors limiting the combustion efficiency ...
Mueller, D. C.   +2 more
core   +2 more sources

Indoor air quality (IAQ) in educational institutions: a review on risks of poor IAQ, sampling strategies, and building-related health symptoms [PDF]

open access: yes, 2020
Health and academic achievement of students from every level of education are affected by the provision of good Indoor Air Quality (IAQ) since the students spend more than 5 hours of a day in school on average.
Adnan, Alif Izzani Zainol   +6 more
core  

Evaluation of aerosolized medications during parabolic flight maneuvers [PDF]

open access: yes
The goal was to visually evaluate the effect gravity has on delivery of medications by the use of various aerosol devices. During parabolic flight the same four aerosols were retested as performed in studio ground tests.
Gosbee, John   +2 more
core   +1 more source

Comparative evaluation of various GPS-free localization algorithm for wireless sensor networks [PDF]

open access: yes, 2004
Wireless Sensor Networks (WSN) are tremendously being used in different environments to perform various monitoring tasks such as search, rescue, disaster relief, target tracking and a number of tasks in smart environments.
Musbahi, Amal Mustafa
core  

Aerosol propellants leading to factitious reading by gas monitoring

open access: yesBali Journal of Anesthesiology, 2019
Vijay Adabala, Priyanka Gupta
doaj   +1 more source

Particle size of aluminum oxide produced by a small rocket motor [PDF]

open access: yes
Spectrophotometric method for measurement of aluminum oxide particle sizes during burning of solid propellant rocket ...
Dobbins, R. A.
core   +1 more source

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