The Fabrication and Characterization of Piezoelectric PZT/PVDF Electrospun Nanofiber Composites by Ji Sun Yun, Chun Kil Park, Young Hun Jeong, Jeong Ho Cho, Jong-Hoo Paik, Sun Hong Yoon, Kyung-Ran Hwang

“…Piezoelectric nanofiber composites of polyvinylidene fluoride (PVDF) polymer and PZT (Pb(Zr0.53Ti0.47)O3) ceramics were fabricated by electrospinning. …”
Get full text

Study on Some Physico-Chemical Characteristics of Ground Water of District Rampur - A Statistical Approach by Susheel Kumar Sindhu, Amit Sharma

“…Twenty five water samples from tube wells, open wells and hand pumps at various locations were collected and analyzed for pH, nitrate, turbidity, total dissolve solid, chlorides, total hardness, alkalinity and fluoride. In this study overall water quality of Rampur district is very poor and unsuitable for drinking purpose. …”
Get full text

Variation of Water Quality in Ningxia Section of the Yellow River in Recent 5 Years by Yan Jin, Xinyuan Wang, Ya-Ping Dong

“…A total of 9 water quality parameters were monitored, and 8 parameters including pH, dissolved oxygen, biological oxygen demand, chemical oxygen demand, total phosphate, fluoride, ammonia-nitrogen, and permanganate index were in the range of Class II standard requirement. …”
Get full text

Assessment of Water Pollution in Tipparthy Revenue Sub-Division, Nalgonda (District), Andhra Pradesh, India by Medikondu Kishore, Y. Hanumantharao

“…Totally 49 water samples were collected from the different locations (22 villages) of the study area including bore well, open well and hand pump water and analyzed for pH, EC, TDS, turbidity, total hardness, fluoride, chloride, nitrate, nitrite, sulphate, phosphates, calcium, magnesium, sodium, potassium, Iron and dissolved oxygen. …”
Get full text

Early Childhood Caries by Yumiko Kawashita, Masayasu Kitamura, Toshiyuki Saito

“…Such children should be targeted with a professional preventive program that includes oral hygiene instructions for mothers or caregivers, along with fluoride and diet counseling. However, these strategies alone are not sufficient to prevent dental caries in high-risk children; prevention of ECC also requires addressing the socioeconomic factors that face many families in which ECC is endemic. …”
Get full text

Assessment of Groundwater Quality Using Water Quality Index from Selected Springs in Manga Subcounty, Nyamira County, Kenya by Alice Makonjo Wekesa, Calford Otieno

“…Water quality index was calculated based on pH, turbidity, nitrate, phosphate, calcium, magnesium, chloride, sulphates, fluoride, iron, total phosphorous, total hardness, total alkalinity, total dissolved solids, and total coliform. …”
Get full text

Facile Synthesis of Hollow Carbon Nanospheres by Using Microwave Radiation by Jiareng Chen, Jiaqi Lin, Bin Cui, Yang Liu

“…The traditional methods to prepare hollow carbon nanospheres require complicated instrumentation and harsh chemicals, including high-temperature furnace, gas inlets, and hydrogen fluoride etching. Herein, we propose a new strategy to prepare hollow carbon nanospheres in a simple and fast manner by using microwave radiation. …”
Get full text

Improvement of the Conductive Ability of Polymer Electrolytes by Xu Hailiang

“…., poly(ethylene glycol) methacrylate, can significantly enhance the mechanical and electrical properties of polymer electrolytes; the gel electrolyte prepared by compounding highly polar β-polyvinylidene fluoride (β-PVDF) with nylon 6 shows significant application potential in improving ion conduction efficiency and enhancing battery safety. …”
Get full text

Strengthening of a Fibre-Matrix Interface: A Novel Method Using Nanoparticles by Sudhir Tiwari, J. Bijwe, S. Panier

“…The surface of carbon fabric (CF) was treated with nanoparticles (NPs) of Ytterbium fluoride (YbF3) (40‐80nm size) in various amounts (0, 0.1, 0.3 and 0.5wt%) to improve its wettability with a Polyetherimide (PEI) matrix. …”
Get full text

Ground Water Quality Determination of former Lake Haramaya, Haramaya District, Eastern Haranghe Zone, Oroma Regional State, Ethiopia by Zinabu Tebeje Zewdu

“…Based on TDS and hardness the samples were classified as fresh and very hard water. 33.3 percent of Fluoride (mg/l) and 66.67 percent of Nitrate (mg/l) results were higher than WHO recommended value with mean of 0.88 ± 0.18 and 17.6 ± 4.4 respectively. 66.7 percent of the turbidity was found to be above the WHO limit and 83.3 percent of the samples have total colifoms above the guideline value and it reveal the necessity of treatment before use. …”
Get full text

Analysis of CaF2 Precipitation Process in the Selected Static Mixers by Piotr Maria Synowiec, Magdalena Stec

“…In the paper, the analysis of the precipitation process of calcium fluoride in the selected static mixers was made. The Kenics and Koflo static mixers, as well as an empty pipe as a background, have been taken into consideration. …”
Get full text

Ground Water Quality Determination of former Lake Haramaya, Haramaya District, Eastern Haranghe Zone, Oroma Regional State, Ethiopia by Zinabu Tebeje Zewdu

“…Based on TDS and hardness the samples were classified as fresh and very hard water. 33.3 percent of Fluoride (mg/l) and 66.67 percent of Nitrate (mg/l) results were higher than WHO recommended value with mean of 0.88 ± 0.18 and 17.6 ± 4.4 respectively. 66.7 percent of the turbidity was found to be above the WHO limit and 83.3 percent of the samples have total colifoms above the guideline value and it reveal the necessity of treatment before use. …”
Get full text

Preparation and Thermal Properties of Eutectic Hydrate Salt Phase Change Thermal Energy Storage Material by Lin Liang, Xi Chen

“…Results show that the use of nucleating agents, such as sodium tetraborate, sodium fluoride, and nanoparticles, are effective. The solidification temperature and latent heat of these materials which was added with 0, 3, and 5 wt% thickeners were −11.9, −10.6, and −14.8°C and 127.2, 118.6, 82.56 J/g, respectively. …”
Get full text

Engineered Magnetic Carbon-Based Adsorbents for the Removal of Water Priority Pollutants: An Overview by H. E. Reynel-Ávila, K. I. Camacho-Aguilar, A. Bonilla-Petriciolet, D. I. Mendoza-Castillo, H. A. González-Ponce, R. Trejo-Valencia

“…The performance of these adsorbents is analyzed for the removal of fluoride, arsenic, heavy metals, dyes, pesticides, pharmaceuticals, and other emerging and relevant water pollutants. …”
Get full text

The Continuous Monitoring of the Health of Composite Structure by T. P. Masango, O. Philander, V. Msomi

“…This paper reports on the use of Polyvinylidene Fluoride (PVDF) sensors in sensing (or monitoring) and locating the defect of a flexible composite structure. …”
Get full text

Construction of Tb3+ PVC-MembraneElectrode Based on N,N’-Bis(pyrrolylmethylene)-2-aminobenzylamine by Hassan Ali Zamani, Zynab Rafati, Soraia Meghdadi

“…The electrode was also employed for the determination of the fluoride ion in two mouth wash preparations and the determination of Tb3+ ions concentration in mixtures of three different ions.…”
Get full text

Layered Rare-Earth Hydroxide Unilameller Nanosheets: Synthesis, Characterization, and Adsorption by Solomon Omwoma, Adongo Stephen Odongo, Zablon Otieno, Silas Lagat, Joseph Owuor Lalah

“…The resultant flocculated nanosheets show high efficiency in sorption of fluoride anions from aqueous media (40 mmol/g), providing a potentially useful sorbent material for water purification technology. …”
Get full text

Molecular Dynamics Simulation on Structure and Dielectric Permittivity of BaTiO3/PVDF Composites by Ruitian Bo, Junwang Liu, Chunfeng Wang, Yongliang Wang, Peigang He, Zhidong Han

“…Molecular dynamics (MD) simulation was performed to investigate the structure and dielectric permittivity of poly(vinylidene fluoride)- (PVDF-) based composites with different contents of barium titanate (BT). …”
Get full text

Preparation of Fluorine-Doped TiO2 Photocatalysts with Controlled Crystalline Structure by N. Todorova, T. Giannakopoulou, G. Romanos, T. Vaimakis, Jiaguo Yu, C. Trapalis

“…X-ray photoelectron spectroscopy (XPS) revealed that the fluorine is presented in the TiO2 powders mainly as metal fluoride in quantities ∼16 at %. The F-doped TiO2 showed a red-shift absorption in UV-vis region which was attributed to the increased content of rutile phase in the powders. …”
Get full text

Application of N-Quinoline-2-carboxamido-8-aminoquinoline in Fabrication of a Ho(III)-PVC Membrane Sensor by Hassan Ali Zamani, Samaneh Langroodi, Soraia Meghdadi

“…The electrode was also used for the determination of Ho3+ ions in mixtures of different ions and the determination of the fluoride ion in mouth wash solutions.…”
Get full text