Results 51 to 60 of about 5,456 (97)

The energy dilemma and its impact on air transportation [PDF]

open access: yes
The dimensions of the energy situation are discussed in relation to air travel. Energy conservation, fuel consumption, and combustion efficiency are examined, as well as the proposal for subsonic aircraft using hydrogen ...
Cribbins, P. D.   +2 more
core   +1 more source

Cost/benefit analysis of advanced materials technology candidates for the 1980's, part 2 [PDF]

open access: yes
Cost/benefit analyses to evaluate advanced material technologies projects considered for general aviation and turboprop commuter aircraft through estimated life-cycle costs, direct operating costs, and development costs are discussed.
Dennis, R. E., Maertins, H. F.
core   +1 more source

Some comparisons of US and USSR aircraft design developments [PDF]

open access: yes
A review is given of the design and development of some US and USSR aircraft. The emphasis is on the historical development of large aircraft-civil and military transports and bombers.
Spearman, M. L.
core   +1 more source

Cell-free DNA blood test for the diagnosis of pediatric tuberculous meningitis. [PDF]

open access: yesJ Clin Tuberc Other Mycobact Dis
Li G, Cannon K, Sisniega C, Fergie J.
europepmc   +1 more source

Cannon ball appearance on radiology in a middle-aged diabetic female. [PDF]

open access: yesLung India, 2016
Kshatriya R   +7 more
europepmc   +1 more source

Development of materials and process technology for dual alloy disks [PDF]

open access: yes
Techniques for the preparation of dual alloy disks were developed and evaluated. Four material combinations were evaluated in the form of HIP consolidated and heat treated cylindrical and plate shapes in terms of elevated temperature tensile, stress ...
Kortovich, C. S., Marder, J. M.
core   +1 more source

Bond Strength of Silane-Containing Universal Bonding Agents to Lithium Disilicate. [PDF]

open access: yesJ Clin Exp Dent
Tannen DL   +4 more
europepmc   +1 more source

Precision Military Medicine: Conducting a multi-site clinical utility study of genomic and lifestyle risk factors in the United States Air Force. [PDF]

open access: yesNPJ Genom Med, 2017
Delaney SK   +13 more
europepmc   +1 more source

Aeronautical Engineering: A continuing bibliography, supplement 120 [PDF]

open access: yes
This bibliography contains abstracts for 297 reports, articles, and other documents introduced into the NASA scientific and technical information system in February ...

core   +1 more source

Vagus nerve stimulation ameliorates cognitive impairment caused by hypoxia. [PDF]

open access: yesFront Behav Neurosci
Sharma B   +5 more
europepmc   +1 more source

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