Results 61 to 70 of about 8,756 (174)

Three-dimensional hydrostratigraphical modelling supporting the evaluation of fluoride enrichment in groundwater: Lakes basin (Central Ethiopia)

open access: yesJournal of Hydrology: Regional Studies, 2020
Study region: The Lakes Basin is located in the Main Ethiopian Rift. It covers the northern part of the rift valley basin, the Upper Awash River basin, and some sub-basins from the Omo River basin.
Giorgio Ghiglieri   +13 more
doaj   +1 more source

Non-carcinogenic health risk assessment with source identification of nitrate and fluoride polluted groundwater of Wardha sub-basin, central India

open access: yesEcotoxicology and Environmental Safety, 2021
In order to understand the pollution status of groundwater with geochemical evolution and appraisal of its probable public health risk due to nitrate (NO3–) and fluoride (F–), a total of 93 groundwater samples were collected during pre-monsoon (May ...
V.P. Nawale   +3 more
doaj   +1 more source

Liberación de iones flúor en materiales dentales [PDF]

open access: yes, 2016
Tesis de Doctorado que contiene el análisis y la cuantificación del flúor liberado en algunos materiales dentales como lo son Cementos de Ionómero de vidrio, Selladores de fosas y fisuras, pastas dentales y barnices.INTRODUCCIÓN: El flúor es reconocido ...
SALMERON VALDES, ELIAS NAHUM   +1 more
core  

The Fluoride Recharging Capability of Orthodontic Materials: an in-vitro study [PDF]

open access: yes, 2012
Enamel demineralization in the form of white spot lesions (WSLs) around fixed orthodontic appliances is a persistent problem in patients with poor oral hygiene.These lesions can form rapidly within 4 weeks of bracket placement.The purpose of this in ...
Farah, Christine
core   +1 more source

Fluoride rechargability of a non-resin auto-cured glass ionomer cement from a fluoridated dentifrice: An in vitro study

open access: yesJournal of Indian Society of Pedodontics and Preventive Dentistry, 2011
Background: In addition to their fluoride-releasing properties, glass ionomer cement (GICs) have the ability to reuptake and release fluorides from commonly used sources like fluoridated dentifrices.
A Rao, A Rao, P Sudha
doaj   +1 more source

High chloride, sulphate and fluoride concentrations in clay-rich aquitard porewater, the North China Plain: evidence of geochemical behavior [PDF]

open access: yesE3S Web of Conferences, 2019
The focus of this investigation was to constrain the porewater chemistry from tracer and ion profiles in a 128 m thick clay-rich sequence of Quaternary sediments comprising the clay, silt and fine sand formation in the North China Plain.
Han Dongmei   +2 more
doaj   +1 more source

Medical Hydrogeology of Asian Deltas: Status of Groundwater Toxicants and Nutrients, and Implications for Human Health

open access: yes, 2015
Drinking water, a fluid primarily for human hydration, is also a source of mineral nutrients. Groundwater, a drinking water source for more than 70% of inhabitants living in Asian deltas, has received much attention because of its naturally occurring ...
Butler, AP, Hoque, MA
core   +2 more sources

Cumulative Impacts of Development on Water Quality and Endangered Species in the Bull and West Bull Creek Watersheds [PDF]

open access: yes, 1993
This article mentions Waller Creek as a representative for urban creeks in Austin In comparison to the focus of this report, Bull Creek, Waller Creek has a notably lower Water Quality Index.Waller Creek Working ...
City of Austin Environmental and Conservation Services Department
core   +1 more source

Low streamflow in the Myakka River Basin Area in Florida [PDF]

open access: yes, 1968
The Sarasota-Manatee area is a water-short area and the study was undertaken in 1963 in order to determine the storage capability and discharge rates of the Myakka water shed. It was found that many of the streams of the water shed were virtually dry
Flippo, H. N., Joyner, B.F.
core  

Compressive Strength, Surface Roughness, Fluoride Release and Recharge of Four New Fluoride-releasing Fissure Sealants

open access: yesDental Materials Journal, 2007
The aim of this study was to investigate the compressive strength and surface roughness of two glass ionomer cements and two resin-based fissure sealants before and after fluoride release and recharge. Twenty-one specimens were prepared and divided into three groups for each material. First group was loaded in compression until failure.
Sule, Kavaloglu Cildir, Nuket, Sandalli
openaire   +3 more sources

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