Results 31 to 40 of about 1,735,830 (308)

Angiogenic and angiostatic factors in renal scleroderma-associated vasculopathy [PDF]

open access: yes, 2017
BACKGROUND: The angiogenesis in systemic sclerosis (SSc) is impaired. An imbalance of pro-angiogenic factors and angiogenesis inhibitors has been implicated in the progression of peripheral microvascular damage, defective vascular repair and fibrosis ...
Afeltra, Antonella M. Vittoria   +7 more
core   +1 more source

Hysteretic Behavior of Steel Reinforced Concrete Columns Based on Damage Analysis

open access: yesApplied Sciences, 2019
With the aim to model the seismic behavior of steel reinforced concrete (SRC) frame columns, in this research, hysteresis and skeleton curves were obtained based on the damage test results of SRC frame columns under low cyclic repeat loading and the ...
Bin Wang   +3 more
doaj   +1 more source

Analysis of the Steel Plate Shear Wall of Damage Index with pushover Method and Comparing with Special Steel Moment Frame [PDF]

open access: yesJournal of Structural and Construction Engineering, 2019
Over the recent years, different damage indices have been to predict the building damage, each of which uses different parameters to model the building damage.
ghasem pachideh   +2 more
doaj   +1 more source

Fracture Damage Characteristics of Rock Under Pre-Peak and Post-Peak Cyclic Loading Condition

open access: yesShanghai Jiaotong Daxue xuebao, 2022
In the process of rock excavation, cyclic loading may occur before or after the peak value. In order to obtain the fracture damage evolution characteristics of rock under the pre-peak and the post-peak cyclic loading condition, the fracture tests of ...
TANG Jianhui, CHEN Xudong, BAI Yin
doaj   +1 more source

Monitoring of Fatigue Crack Propagation by Damage Index of Ultrasonic Guided Waves Calculated by Various Acoustic Features

open access: yesApplied Sciences, 2019
Under cyclic and repetitive loads, fatigue cracks can be further propagated to a crucial level by accumulation, causing detrimental effects to structural integrity and potentially resulting in catastrophic consequences.
Hashen Jin   +3 more
doaj   +1 more source

Definition of Damage Indices for Railway Axle Bearings: Results of Long-Lasting Tests

open access: yesMachines, 2021
The European Rail Transport System has set goals of improving the reliability, availability, durability, high-speed capacity, and maintenance. In this context, the condition monitoring approach is of fundamental importance for all components of the ...
Paolo Pennacchi   +3 more
doaj   +1 more source

RFID-Based Crack Detection of Ultra High-Performance Concrete Retrofitted Beams

open access: yesSensors, 2019
Ultra-high-performance concrete (UHPC) is a novel material with multiple known uses and many still yet to be discovered. Recently, the use of encasing welded shear studs in UHPC on the web of corroded steel beams was developed.
Benjamin Bruciati   +2 more
doaj   +1 more source

Early renal damage assessed by the SLICC/ACR damage index is predictor of severe outcome in lupus patients in Pakistan [PDF]

open access: yes, 2010
We investigated Patients with systemic lupus erythematosus with the objective of assessing whether early damage accrued in systemic lupus erythematosus as measured by the SLICC/ACR Damage Index predicts mortality in lupus Patients that have been followed
Ahmad, A.   +7 more
core   +1 more source

Heart rate variability and target organ damage in hypertensive patients [PDF]

open access: yes, 2012
Background: We evaluated the association between linear standard Heart Rate Variability (HRV) measures and vascular, renal and cardiac target organ damage (TOD).
2003 European Society of Hypertension   +56 more
core   +4 more sources

Determination of Damage Index of Olive Fruit (Koroneiky variety) in Different Harvesting Methods and Times in Golestan Province [PDF]

open access: yesJournal of Agricultural Machinery, 2019
Introduction Olive is one of the plants, that has been cultivated for long in Iran. The average extracted oil is about 65 kg per tree. Four to five kg olives give approximately one liter oil.
A Memari   +3 more
doaj   +1 more source

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