Results 51 to 60 of about 659,420 (290)

UV Solar Energy and Erythemal Exposure: Mathematical Models to Assess the Dose on Vertical and Inclined Planes in Different Sky Conditions

open access: yesEnergies
Ultra violet (UV) solar energy can cause several negative effects to the skin and eyes in case of overexposure. To protect people from erythemal damage, personal erythemal exposure must be carefully assessed when outdoor activities are carried out.
Chiara Burattini   +3 more
doaj   +1 more source

Laboratory and Numerical Investigation on Strength Performance of Inclined Pillars

open access: yesEnergies, 2018
Pillars play a critical role in an underground mine, as an inadequate pillar design could lead to pillar failure, which may result in catastrophic damage, while an over-designed pillar would lead to ore loss, causing economic loss.
Kashi Vishwanath Jessu   +2 more
doaj   +1 more source

Influence of Discontinuous Linear Deformation on the Values of Continuous Deformations of a Mining Area and a Building Induced by an Exploitation of Hard Coal Seam

open access: yesApplied Sciences, 2023
In this article, the impact of a ground step on a residential building and a mining terrain has been presented. Influence of a discontinuous linear deformation by the changes of the inclination and curvatures’ values (continuous deformations) has been ...
Justyna Orwat
doaj   +1 more source

A Spectrophotometric Method to Determine the Inclination of Class I Objects

open access: yes, 2002
A new method which enables us to estimate the inclination of Class I young stellar objects is proposed. Since Class I objects are not spherically symmetric, it is likely that the observed feature is sensitive to the inclination of the system.
Andre P.   +5 more
core   +2 more sources

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Use of digital photography in the reconstruction of the occlusal plane orientation [PDF]

open access: yesMedicinski Glasnik, 2009
Aim This study evaluated whether the occlusal plane measurementson digital photographs were reliable for the reconstructionof occlusal plane.Methods Forty-two subjects (25 female and 17 male subjects,aged 19 to 30 years) with all teeth and Angle Class I ...
Robert Antonić,   +7 more
doaj  

Relationship between Selected Cephalometric Parameters, Nasolabial Angle and Its Components in Adolescent Females

open access: yesDiagnostics, 2023
Nasolabial angle is commonly used to assess the soft tissue profile of the subnasal region. The aim of this retrospective study was to evaluate the relationship between the nasolabial angle, the inclination of the lower border of the nose and upper lip ...
Mikołaj Gołębiowski   +3 more
doaj   +1 more source

Structural biology of ferritin nanocages

open access: yesFEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Analysis of Mechanical Response of Epoxy Asphalt-Repaired Pavement in Pothole Interface on Steel Bridge Deck under Coupled Temperature-Dynamic Loading

open access: yesBuildings
The persistence of pothole maintenance represents an enduring challenge. Past studies have largely concentrated on the materials and techniques used for remediation, with a lack of attention given to the pothole interface.
Yizhou Zhuang, Kai Liu, Xiaoli Zhan
doaj   +1 more source

Clinical application of molar uprighting for impacted mandibular second molars

open access: yes口腔疾病防治, 2020
Objective To investigate the effect of the clinical application of molar uprighting in the treatment of impacted mandibular second molars. Methods A total of 16 cases of impacted mandibular second molars were chosen, and the impacted molars were treated ...
LI Ning   +3 more
doaj   +1 more source

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