Results 1 to 10 of about 61,102 (313)

Role of Dermal Ridge Patterns in Prediction of Periodontal Disease- A Cross-sectional Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Introduction: Periodontitis is a chronic inflammatory disease which affects the supporting tissues of the teeth and was initially thought to be environmental in origin. The difference in the disease prevalence among the population could not be attributed
Tamil Selvan Kumar   +7 more
doaj   +1 more source

ARCHES Digital Twin Framework [PDF]

open access: yes, 2022
In the Helmholtz Future Project ARCHES (Autonomous Robotic Networks to Help Modern Societies) with a consortium of partners from AWI (Alfred-Wegener-Institute Helmholtz Centre for Polar and Marine Research), DLR (German Aerospace Center), KIT (Karlsruhe
Barbie, Alexander
core   +1 more source

Towards a novel strategy for soot removal from water-soluble materials: the synergetic effect of hydrogels and cyclomethicone on gelatine emulsion-based photographs

open access: yesHeritage Science, 2023
Gels are a popular cleaning method for paper conservators and a lot of research has been done concerning gel cleaning of paper objects over the last 15 years.
Natalia Ortega Saez   +6 more
doaj   +1 more source

Teaching Building Structures Graphical Methods with GeoGebra

open access: yesAdvances in Building Education, 2022
Graphic methods can be used when teaching Building Structures to solve some problems such as analysis of cables and arches through funiculars tracing; analysis of trusses with the Cremona method; graphically obtaining the lateral earth pressure of the ...
Belén Orta   +3 more
doaj   +1 more source

Safety Factor of Masonry Arches under Gravity Loads

open access: yesBuildings, 2022
In the present paper, a procedure is presented for the evaluation of the safety factor and the limit conditions of masonry arches subject to gravity loadings.
Giuseppe Brandonisio   +2 more
doaj   +1 more source

Peer-assisted injection as a harm reduction measure in a supervised consumption service: a qualitative study of client experiences

open access: yesHarm Reduction Journal, 2021
Background Peer assistance is an emerging area of study in injection drug use. When Canada’s first supervised consumption site (SCS) opened in 2003 in Vancouver, Canada, clients were prohibited from injecting their peers; only recently has this practise ...
Em Pijl   +4 more
doaj   +1 more source

Landscape Arch, Delicate Arch, and Double Arch in Arches National Park, Southeastern Utah

open access: yesGeosites, 2020
Arches National Park in southeastern Utah has the greatest concentration of natural rock arches in the world. The park is located in a geologic region called the Paradox fold and fault belt in the northern Paradox Basin and showcases spectacular and classic Colorado Plateau geology with its colorful sedimentary rocks, ancient sand dunes, cliffs, domes,
Thomas, Jr. Chidsey, Grant Willis
openaire   +2 more sources

Jeddah Historical Mosques The Hanafi Mosque and the Banaja Chamber attached to it"Historical and Cultural Study" [PDF]

open access: yesJournal of General Union of Arab Archaeologists, 2019
Did not have the history and architecture mosques and mosques in the city of Jeddah attention Kef both by historians, or by travelers who have visited and wrote the comments about its development and buildings, so that the writings of historians ...
Prof. Abdul Ilah bin Abdulaziz Panaja
doaj   +1 more source

The dark halo technique in the oeuvre of Michael Sweerts and other Flemish and Dutch baroque painters. A 17th c. empirical solution to mitigate the optical ‘simultaneous contrast’ effect?

open access: yesHeritage Science, 2022
Although the topic is rarely addressed in literature, a significant number of baroque paintings exhibit dark, halo-like shapes around the contours of the dramatis personae.
Kirsten Derks   +4 more
doaj   +1 more source

Features of the work of large-span beam structures

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2022
Objective. This article discusses flat large-span structures, provides features of their work, as well as design examples. Formulas are given for determining the general dimensions of these structures.Method.
A. K. Yusupov   +2 more
doaj   +1 more source

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