Results 11 to 20 of about 485,494 (269)

Volatile elements in alkaline and calc-alkaline rocks from the Colima graben, Mexico: Constrains on their genesis and evolution

Geofísica Internacional, 1993
Tomando esencialmente como base la composición química de los elementos mayores, tres diferentes grupos de rocas fueron reconocidos en el graben de Colima: El grupo alcalino, calcialcalino y calcialcalino rico en potasio.
José Luis Macías, Bruno Capaccioni, Sandro Conticelli, Luciano Giannini, Marino Martini, Sergio Rodríguez   +5 more
doaj   +1 more source

PALS investigations of free volumes thermal expansion of J-PET plastic scintillator synthesized in polystyrene matrix [PDF]

, 2015
The polystyrene dopped with 2,5-diphenyloxazole as a primary fluor and 2-(4-styrylphenyl)benzoxazole as a wavelength shifter, prepared as a plastic scintillator was investigated using positronium probe in wide range of temperatures from 123 to 423 K ...
Bednarski, T., Białas, P., Czerwiński, E., Gajos, A., Gorgol, M., Jasińska, B., Kamińska, D., Kapłon, Ł., Kochanowski, A., Korcyl, G., Kowalski, P., Kozik, T., Krzemień, W., Kubicz, E., Moskal, P., Niedźwiecki, S., Pałka, M., Raczyński, L., Rudy, Z., Rundel, O., Sharma, N. G., Silarski, M., Strzelecki, A., Słomski, A., Wieczorek, A., Wiślicki, W., Zgardzińska, B., Zieliński, M.   +27 more
core   +2 more sources

Surface Structure Study of Crystal Hydroxy-Apatite from Fluorosis Enamels

Journal of Dentistry Indonesia, 2013
Fluorosis is a condition due to ingestion of excessive amounts of fluor which can cause the change in tooth structure and strength. However, there is still lack of explanation on the surface structure of crystal hydroxyapatite that influences the ...
Abdillah Imron Nasution, Harun Asyiq Gunawan, Sri Angky Soekanto   +2 more
doaj   +1 more source

Engineering by Cuts: How Kirigami Principle Enables Unique Mechanical Properties and Functionalities

Advanced Science, 2023
Kirigami, the ancient art of paper cutting, has evolved into a design and fabrication framework to engineer multi‐functional materials and structures at vastly different scales.
Jiayue Tao, Hesameddin Khosravi, Vishrut Deshpande, Suyi Li   +3 more
doaj   +1 more source

Análise da rugosidade superficial de uma resina composta tratada com gel fluoretado em diferentes pH

Revista da Faculdade de Odontologia de Porto Alegre, 2020
Objetivo: O flúor acidulado é utilizado no controle da doença cárie, mas seus efeitos na superfície de resinas compostas são controversos. O objetivo do estudo é avaliar a rugosidade superficial de uma resina composta após a aplicação tópica de flúor in ...
Vitória Tavares de Castro, Marília Bizinoto Silva Duarte, Nailê Damé-Teixeira   +2 more
doaj   +7 more sources

Skuteczność zastosowania substancji biologicznie czynnych w łagodzeniu stresu wywołanego przez fluorek sodu na podstawie parametrów morfologicznych, biochemicznych i fizjologicznych u pszenicy jarej (Triticum aestivum L.) odmiany Bryza

Agronomy Science, 2017
Rośliny w trakcie swojego wzrostu i rozwoju stale są narażone na wpływ czynników stresowych. Jednym z tych czynników jest zanieczyszczenie środowiska związkami fluoru.
BEATA SMOLIK, JUSTYNA PELC
doaj   +1 more source

Aminoglycoside-Induced Phosphatidylserine Externalization in Sensory Hair Cells Is Regionally Restricted, Rapid, and Reversible [PDF]

, 2008
The aminophospholipid phosphatidylserine (PS) is normally restricted to the inner leaflet of the plasma membrane. During certain cellular processes, including apoptosis, PS translocates to the outer leaflet and can be labeled with externally applied ...
Gale, Jonathan E, Goodyear, Richard J, Kros, Corné J, Ranatunga, Kishani M, Richardson, Guy P   +4 more
core   +1 more source

A Soft Robotic Gripper for Crop Harvesting: Prototyping, Imaging, and Model-Based Control

AgriEngineering
The global agricultural sector faces escalating labor shortages and post-harvest losses, particularly in delicate crop handling. This study introduces an integrated soft robotic harvesting system addressing these challenges through four key innovations ...
Yalun Jiang, Javad Mohammadpour Velni
doaj   +1 more source

The effect of monofluorophosphate implant in white rat mothers towards the level of fluor in the incisors of their young babies (Rattus-rattus)

Dental Journal, 2010
Background: Fluoride has been widely used in the prevention of dental caries for a long time. To prevent dental caries, fluoride must be induced in low amount at high frequency.
Widjijono Widjijono
doaj   +1 more source

Liberación del ion flúor de un cemento de ionómero vítreo modificado con extracto etanólico de propóleo

Odontología Sanmarquina, 2021
Objetivo. El objetivo de este estudio fue cuantificar la liberación de flavonoides y flúor en probetas de ionómero vítreo convencional tipo II modificado con extracto de propóleo. Métodos. Fueron utilizadas 60 unidades de análisis.
Melisa Raquel Lezcano, María Eugenia Zamudio   +1 more
doaj   +1 more source