Results 11 to 20 of about 2,210 (127)

Three-Dimensional Surface Evaluation and Shear Bond Strength of Three Pre-treatment E-max Surfaces for Metal and Ceramic Orthodontic Brackets (In Vitro Study)

open access: yesPolytechnic Journal, 2020
3D evaluation and shear bond strength (SBS) for metal and ceramic brackets after three pre-treatment surfaces of lithium disilicate (LD) crowns. Sixty lithium disilicate (LD) crowns were fabricated in laboratory according to manufacturer instruction and ...
Huda A. Mohammed, Omar S. Ali
doaj   +1 more source

Heavy metal content of vegetables irrigated with mixtures of wastewater and sewage sludge in Zimbabwe: Implications for human health [PDF]

open access: yes, 2006
There is growing public concern in Zimbabwe over the illegal cultivation of vegetables on soils amended with sewage sludge or irrigated with admixtures of sewage and sewage sludge. Excessive accumulation of heavy metals in agricultural soils may not only
Chumbley   +21 more
core   +1 more source

Secret Sharing Limitations Over Boolean Circuits [PDF]

open access: yesComputer Science Journal of Moldova
This paper offers a gentle introduction into the realm of monotone span programs and their connection with linear secret sharing schemes and attribute-based encryption while emphasizing the cryptographic importance of finding efficient MSPs for ...
Iulian Oleniuc, Alexandru Ioniță
doaj   +1 more source

Power HBT reliability for space applications [PDF]

open access: yes, 2003
High power HBT process developed by UMS for X-band application have been space evaluated under CNES and ESA funding.The reliability assessment plan features high temperatures storage tests,DC life-tests,RF step test stress,ESD and radiation tests.A set ...
Auxemery, Ph.   +3 more
core   +1 more source

A Coloured Petri Net-based approach and Genetic Algorithms for improving services in the Emergency Department [PDF]

open access: yesComputer Science Journal of Moldova
The Emergency Department (ED) plays an important role in the healthcare field, due to the nature of the services it provides, especially for patients with urgent cases.
Zouaoui Louhab, Fatma Boufera
doaj   +1 more source

Third Sector Organisations: Unique or simply other qualified providers? [PDF]

open access: yes, 2012
The Third Sector has been promoted by progressive English governments as a provider of health and social care services for people with mental health difficulties.
Miller , Robin
core   +1 more source

La Luz de Yara: una leyenda cubana

open access: yesCiencia y Sociedad, 2020
Esta investigación aporta reflexiones en torno a la leyenda de La Luz de Yara, desde perspectivas históricas, ubicación territorial y mutaciones como contribución a narrativas culturales e identitarias.
José Manuel Yero Masdeu
doaj   +1 more source

Antioxidant activity of the aerial parts and the flowers of Chiliotrichum diffusum (G. Forst.) Kuntze (Asteraceae), a medicinal plant used by the Onas [PDF]

open access: yesInfarma: Pharmaceutical Sciences, 2019
The antioxidant capacity of Chiliotrichum diffusum, a medicinal plant used in the traditional medicine of the Onas (original people of Patagonia), was studied by using the DPPH method, to explain the properties associated to the traditional use of this ...
Sandra Marcela Alcalde BAHAMONDE   +3 more
doaj   +1 more source

Reseñas bibliográficas

open access: yesCiencia y Sociedad, 1981
A continuación, Eduardo Latorre, presenta una reseña del libro de Pope Atkings, titulado Arms And Politics in the Dominican Republic (Boulder, Colorado: Westvlew Press).
Eduardo Latorre
doaj   +1 more source

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