Results 61 to 70 of about 2,604,436 (185)

Aldosterone status associates with insulin resistance in patients with heart failure-data from the ALOFT study [PDF]

open access: yes, 2009
<b>Background</b>: Aldosterone plays a key role in the pathophysiology of heart failure. In around 50% of such patients, aldosterone 'escapes' from inhibition by drugs that interrupt the renin-angiotensin axis; such patients have a worse ...
Connell, J.M.C.   +8 more
core   +1 more source

Review and prospects for understanding deformation and failure of rock slopes in cold regions with high altitude

open access: yes工程科学学报, 2019
Research on the deformation and failure mechanism of rock slopes in high-altitude cold areas has obtained certain results, but based on the current theory and technology, it is difficult to comprehensively solve problems related to the cold-slope ...
Chang-hong LI   +4 more
doaj   +1 more source

Lubrication and failure mechanisms of molybdenum disulfide films. 2: Effect of substrate roughness [PDF]

open access: yes
An optical microscope was used to study the lubrication and failure mechanisms of rubbed MoS2 films applied to three substrate surface finishes; polished, sanded, and sandblasted as a function of sliding distance.
Fusaro, R. L.
core   +1 more source

On determining the undrained bearing capacity coefficients of variation for foundations embedded on spatially variable soil

open access: yesStudia Geotechnica et Mechanica, 2020
This paper presents an efficient method and its usage for the three-dimensional random bearing capacity evaluation for square and rectangular footings.
Chwała Marcin
doaj   +1 more source

Spectral theory for the failure of linear control in a nonlinear stochastic system

open access: yes, 2002
We consider the failure of localized control in a nonlinear spatially extended system caused by extremely small amounts of noise. It is shown that this failure occurs as a result of a nonlinear instability.
A.L. Bertozzi   +11 more
core   +1 more source

Laser 3D printed bio-inspired impact resistant structure: failure mechanism under compressive loading

open access: yesVirtual and Physical Prototyping, 2020
This work presents a comprehensive failure mechanism study of the bi-directionally corrugated panel (DCP) structures inspired by the telson of mantis shrimp. The DCP structures were fabricated by selective laser melting (SLM) with AlSi10Mg powder.
Jiankai Yang   +6 more
doaj   +1 more source

The failure mechanism of a nickel electrode in a nickel-hydrogen cell [PDF]

open access: yes
Studies on a number of types of nickel electrodes after cycle failure in a Ni/H2 cell showed that the failure is due to the loss of high rate discharge capability rather than an absolute capacity loss.
Lim, H. S., Verzwyvelt, S. A.
core   +1 more source

Failure mechanism and dynamic process of landslide triggered debris flows—an example from Chongqing, China

open access: yesFrontiers in Earth Science
Shallow landslides and debris flows triggered by heavy rainfall are widespread catastrophic geological disasters in mountainous areas. Landslides with complex terrain are often the material source of debris flows as a disaster chain. However, the failure
Fen Wang   +7 more
doaj   +1 more source

Lamp reliability studies for improved satellite rubidium frequency standard [PDF]

open access: yes, 1982
In response to the premature failure of Rb lamps used in Rb atomic clocks onboard NAVSTAR GPS satellites experimental and theoretical investigations into their failure mechanism were initiated.
Eckert, H. U.   +4 more
core   +1 more source

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