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A little fluorine turns an insulating ceramic known as white graphene into a wide-bandgap semiconductor with magnetic properties. Rice University scientists said that could make the unique material su...
Simultaneous determinations of fluorine, chlorine, and sulfur in rock samples by ion chromatography combined with pyrohydrolysis
pyrohydrolysis halogen sulfur ion chromatography geological reference material
2017/4/10
We present a simplified method for simultaneous determinations of fluorine (F), chlorine (Cl), and sulfur (S) contents
and isotopic abundances in rock samples. After using pyrohydrolysis to extract F...
Estimation of sulfur, fluorine, chlorine and bromine fluxes at Mid Ocean Ridges using a new experimental crushing and extraction method
degassing flux sulfur halogen helium Mid Ocean Ridge basalts
2017/4/11
We measured helium-3 (3
He), sulfur (S), fluorine (F), chlorine (Cl) and bromine (Br) concentrations in vesicles of Mid
Ocean Ridge Basalts (MORBs) and Back-Arc Basin Basalts (BABBs). The aim of thi...
Performance of Nanofiltration (NF) and Low Pressure Reverse Osmosis (LPRO) Membranes in the Removal of Fluorine and Salinity from Brackish Drinking Water
Desalination and Brackish Water Fluorine Nanofiltration Reverse Osmosis
2013/3/20
Certain areas in Senegal have a serious problem of high fluoride and salinity in underground water because of soil properties. This water currently used for drink has a bad taste on consumption and ca...
Fluorine in Water and Dental Fluorosis in a Community of Queretaro State Mexico
Fuorosis DEAN Index Groundwater La Llave Quer閠aro Mexico
2013/3/12
The community La Llave, Queretaro State, Mexico, has not been identified by the sanitary authorities as living in a hazard area related to dental fluorosis. However; a high concentration of fluoride i...
The First Fluorine Abundance Determinations in Extragalactic AGB Carbon Stars
FluorineAbundance Determinations Extragalactic
2011/9/29
Fluorine (19F) abundances (or upper limits) are derived in six extragalactic AGB carbon stars from the HF(1-0) R9 line at 2.3358 mu in high resolution spectra. The stars belong to the Local Group gala...
Natural Contaminants in Drinking Waters (Arsenic, Boron, Fluorine and Vanadium) in the Southern Pampean Plain, Argentina
Arsenic Fluorine Vanadium Hydrochemistry Risk
2013/3/12
This research aims at making a diagnosis of the presence of arsenic, boron, fluorine and vanadium in the waters from the basin of El Divisorio stream, tributary of Paso de las Piedras reservoir, in th...
Photon Antibunching and Magnetospectroscopy of a Single Fluorine Donor in ZnSe
Photon Antibunching Magnetospectroscopy Single Fluorine Donor ZnSe
2010/10/19
We report on the optical investigation of single electron spins bound touorine donor impurities in ZnSe.Measurements of photon antibunching establish the presence of single, isolated optical emitters,...
Plasma-based Fluorine Ion Implantation into Dental Materials for Inhibition of Bacterial Adhesion
Ion implantation Fluorine Bacterial adhesion
2009/9/15
The aims of this study were to evaluate the fluorine depth profiles of pure titanium (Ti), stainless steel (SUS), and polymethyl methacrylate (PMMA) modified by plasma-based fluorine ion implantation ...
Effect of Fluorine Added to the Culture Solution at Lower Concentrations on the Growth of Rice Plants
Fluorine Fluorine content Growth Rice plant
2009/7/16
The concentration of fluorine to the public water bodies permitted by water pollution law is 15 mg L-1. The growth of rice plants was severely depressed by fluorine added to the culture solution at 5-...
Effect of Fluorine Added to the Culture Solution at Various Concentrations on the Growth of Rice Plants
Chlorophyll content Fluorine Growth Photosynthetic rate Rice plant
2009/7/15
The effect of fluorine (HF) added to the culture solution at 0, 5, 10, 15, 20, 30 and 50 ppm on the growth of Oryza sativa L. cv. Koshihikari was investigated. The increase in the leaf number on the m...
Effect of Fluorine Added to the Culture Solution at Various Growth Stages on the Growth of Rice Plants(Modelling, Information Technology and Environment)
Fluorine Growth Growth period Rice plant Solution culture
2009/7/15
The effect of fluorine (HF) added to the culture solution on the growth of Oryza sativa L.cv.Koshihikari was investigated. HF was added to the culture solution at 50 ppm for 10 days at the active-til...
Effect of Soil Fluorine at Various Concentrations on the Growth of Rice Plants under Soil Culture(Modelling, Information Technology and Environment)
Fluorine Growth Rice plant Soil fluorine concentration
2009/7/15
The fluorine included in factory effluents may pollute river water, irrigation water and paddy field soil. The effect of soil fluorine at the concentrations 100, 279, 458, 816, 1173, 1352, and 1531 pp...
Recent progress in exploring the essentiality of the non-metallic ultratrace elements fluorine and bromine to the nutrition of animals and man
fluorine bromine essentiality to animals
2009/3/23
Recent progress in exploring the essentiality of the non-metallic ultratrace elements fluorine and bromine to the nutrition of animals and man.
Excited State Properties of Fluorine-Substituted
Hexabenzocoronene: A Quantum-Chemical Characterization
intramolecular charge transfer fluorine-substituted hexabenzocoronene
transition densities charge difference densities
2007/8/15
2006Vol.46No.2pp.229-232DOI:
Excited State Properties of Fluorine-Substituted
Hexabenzocoronene: A Quantum-Chemical Characterization
LI Yuan-Zuo, SUN Yu, LI Yong-Qing, and MA Feng...