Results 31 to 40 of about 1,507,905 (292)

Age-related deterioration of rod vision in mice [PDF]

open access: yes, 2010
Even in healthy individuals, aging leads to deterioration in visual acuity, contrast sensitivity, visual field, and dark adaptation. Little is known about the neural mechanisms that drive the age-related changes of the retina and, more specifically ...
Crouch, Rosalie K   +3 more
core   +2 more sources

Fungal Biodegradation of Polyurethanes

open access: yesJournal of Fungi, 2023
Polyurethanes (PURs) are versatile polymers used in a wide variety of fields, such as the medical, automotive, textile, thermal insulation, and coating industries as well as many everyday objects.
Clotilde Maestri   +4 more
doaj   +1 more source

Physiological quality of soybean seeds treated with imidacloprid before and after storage

open access: yesPlant, Soil and Environment, 2020
This study aimed to evaluate the effect of different slurry volume of imidacloprid insecticide on the physiological potential during the storage of seeds of three soybean cultivars.
Renata Cristiane Pereira   +8 more
doaj   +1 more source

Investigation of the Geometrical Deterioration of Paved Superstructure Tramway Tracks in Budapest (Hungary)

open access: yesInfrastructures, 2023
In the 21st century, one of the key requirements is to develop and maintain our infrastructure facilities most efficiently using the available resources.
Vivien Jóvér   +5 more
doaj   +1 more source

Low myo-inositol and high glutamine levels in brain are associated with neuropsychological deterioration after induced hyperammonemia [PDF]

open access: yes, 2004
The neuropsychological effect of hyperammonemia is variable. This study tests the hypothesis that the effect of ammonia on the neuropsychological function in patients with cirrhosis is determined by the ability of the brain to buffer ammonia-induced ...
Balata, S   +8 more
core   +1 more source

Moisture as a Driver of Long-Term Threats to Timber Heritage—Part I: Changing Heritage Climatology

open access: yesHeritage, 2022
Timber is widely used in the construction of buildings on a global scale, but it is sensitive to degradation. Moisture notably poses a risk to timber decay, and this is likely to change significantly during the 21st century if a high emission scenario ...
Jenny Richards, Peter Brimblecombe
doaj   +1 more source

Technical Note: Statistical analysis of defects of tiles´ joints

open access: yesMateriales de Construccion, 2007
The present article addresses tile joint defects in interior and exterior floors and walls. It begins with a classification of tile joint defects along with their likely causes, establishing a correlation matrix between the two sets of parameters.
J. Silvestre, J. de Brito
doaj   +1 more source

Study on the performance deterioration of flexible UWB antenna [PDF]

open access: yes, 2009
A flexible transparent film uwb antenna for curved surfaces has been designed and developed for wireless communications. The antenna has demonstrated good performance over the entire UWB bandwidth.
Nilavalan, R, Peter, T
core   +2 more sources

JT9D jet engine performance deterioration [PDF]

open access: yes, 1978
The analytical techniques utilized to examine the effects of flight loads and engine operating conditions on performance deterioration are presented.
Jay, A., Sallee, G. P., Todd, E. S.
core   +1 more source

Source localization in random acoustic waveguides [PDF]

open access: yes, 2010
Mode coupling due to scattering by weak random inhomogeneities in waveguides leads to loss of coherence of wave fields at long distances of propagation. This in turn leads to serious deterioration of coherent source localization methods, such as matched ...
Borcea, Liliana   +2 more
core   +2 more sources

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