Results 81 to 90 of about 71,141 (311)

BS-ISO helical gear fatigue life estimation and wear quantitative features analysis [PDF]

open access: yes, 2009
Original article can be found at: http://www3.interscience.wiley.com/ Copyright Blackwell Publishing. DOI: 10.1111/j.1475-1305.2008.00457.xLack of representative theoretical models for gear wear causes difficulties in their useful lifetime prediction ...
Bostjan   +6 more
core   +1 more source

Patterns of Postictal Abnormalities in Relation to Status Epilepticus in Adults

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Abnormalities on peri‐ictal diffusion‐weighted magnetic resonance imaging (DWI‐PMAs) are well‐established for patients with status epilepticus (SE), but knowledge on patterns of DWI‐PMAs and their prognostic impact is sparse. Methods This systematic review and individual participant data meta‐analysis included observational studies ...
Andrea Enerstad Bolle   +11 more
wiley   +1 more source

Structural risk assessment and aircraft fleet maintenance [PDF]

open access: yes
In the present analysis, deterministic flaw growth analysis is used to project the failure distributions from inspection data. Inspection data is reported for each critical point in the aircraft.
Christian, Tom F.   +2 more
core   +1 more source

Traumatic Microhemorrhages Are Not Synonymous With Axonal Injury

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Diffuse axonal injury (DAI) is caused by acceleration‐deceleration forces during trauma that shear white matter tracts. Susceptibility‐weighted MRI (SWI) identifies microbleeds that are considered the radiologic hallmark of DAI and are used in clinical prognostication.
Karinn Sytsma   +9 more
wiley   +1 more source

TBK1‐Associated Primary Lateral Sclerosis Followed by Right Temporal Variant Frontotemporal Dementia

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT We report a 58‐year‐old woman with a novel splice‐site variant in the TANK‐binding kinase 1 (TBK1:c.993–2A>C p.Ala332TyrfsTer39) who sequentially developed primary lateral sclerosis (PLS) followed by right temporal variant frontotemporal dementia (rtvFTD). Neuroimaging demonstrated right anterior temporal atrophy before cognitive symptoms, and
Tomoyasu Matsubara   +18 more
wiley   +1 more source

A crack localization method for beam-analogy structures based on wavelet transform of mode shape variations

open access: yesInternational Journal of Naval Architecture and Ocean Engineering
This study proposes a crack localization method for beam-analogy structures with and without inherent structural discontinuities such as girders and bulkheads of ships, bridge piers, and building slabs.
Jun-Hong Park   +5 more
doaj   +1 more source

Develop Guidelines for Pavement Preservation Treatments and for Building a Pavement Preservation Program Platform for Alaska [PDF]

open access: yes, 2012
INE/AUTC 12 ...
Cheng, DingXin   +4 more
core  

Creep and Fatigue Crack Growth in Several Cast Superalloys

open access: yesSuperalloys 1984 (Fifth International Symposium), 1984
Crack growth behavior in two cast nickel-base alloys, IN 713LC and IN 100, and a cobalt-base alloy, MAR-M509, under cyclic, static, and combined loads has been investigated at 927OC (1700'F) in air and in vacuum. The three alloys exhibited similar behavior in many respects. Fatigue crack growth rates generally were higher in air than in vacuum and also
P. Shahinian, K. Sadananda
openaire   +1 more source

Developmental and Epileptic Encephalopathy due to Biallelic Pathogenic Variants in PIGM

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective PIGM encodes a critical enzyme in the glycosylphosphatidylinositol (GPI)‐anchor biosynthesis pathway. While promoter‐region mutations in PIGM have been associated with a relatively mild phenotype characterized by portal vein thrombosis and absence seizures, recent evidence suggests that coding‐region mutations result in a more severe
Júlia Sala‐Coromina   +11 more
wiley   +1 more source

Analysis of Vibroacoustic Modulations for Crack Detection: A Time-Frequency Approach Based on Zhao-Atlas-Marks Distribution

open access: yesShock and Vibration, 2014
The vibro-acoustic modulation (VAM) technique is probably the most widely used nonlinear method for crack detection. The VAM method is based on the effect of modulation of high-frequency acoustic waves by a low-frequency vibration.
A. Trochidis   +2 more
doaj   +1 more source

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