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151. The fluorine content in the residue of acid lixivium is a constant. These factors should be taken into account when the limits is laid down for fluoride exposure and fluorine levels in foodstuff.

152. A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced. And its optimal operations are described in detail.

153. The dental hygiene procedures carried out by the patient were good and included the use of a manual toothbrush with fluoride toothpaste and interdental toothbrushes for the interdental spaces.

154. The protein content of zymogen of the larvae treated with fluoride was higher than control group in the fluoride-resistant strain and lower than control group in the fluoride-susceptible strain.

155. Since then, many studies have confirmed the value of fluoride.

156. The third, Hi - dense can release fluoride slowly, but silver amalgam alloy can't.

157. The on-site simulation experiment demonstrated a 100% cockroach kill rate based on the dose and fumigation duration predicted by the model using sulfuryl fluoride.

158. Control total emission quantity and assessment factor are provided, meanwhile this paper discusses relativity of pollution emission standard and quantity standard of fluoride.

159. Depending on conditions, hydrogen fluoride may convert to hydrofluoric acid ( aqueous ) at varying concentrations.

160. Quartz sand, activated carbon, removing iron and manganese filtration, deoxygenation, fluoride removal equipment.

161. Objective To investigate the effects of fluoride on growth, cell cycle and apoptosis in cultured calvarial cell from suckling mice.

162. Methods According to "The National Technical Scheme for Endemic Disease Control", the content of fluoride in drinking water was assassed by F-ion selective electrode.

163. Fluoride like vitamine D3, its preparation method and use, and medicinal composition containing same.

164. Polyvinylidene fluoride (PVDF) film is a type of intelligent sensor. It is widely used in the field of structural damage inspection for its good performance.

165. Fluorine, one of the necessary trace elements of human beings is presented in the forms of inorganic and organic compounds in foods, such as sodium fluoride, silicon fluoride, and fluoroacetate etc.

166. Unreacted calcium oxide or calcium carbonate generates sufficient heat to the endothermic reaction between calcium fluoride and sulfuric acid so that no external heat is needed.

167. Effect of blending and solvents on the crystallizability of poly (vinylidene fluoride) phase inversion membranes were studied.

168. Toxicity of sulfuryl fluoride on pest and plant seeds was studied.

169. Performance and application of protective film of vinylidene fluoride resin are introduced. Basic recipe and method for forming of protective film of vinylidene fluoride resin are described.

170. The aim of this study was to control membrane fouling through elucidating the behaviors of levan adsorption onto Polyvinylidene Fluoride(PVDF) membrane in membrane bioreactor.

171. The chemical composition, characteristic temperatures and optical transmission spectra of fluoride and chalcogenide glasses are presented.

172. The PVDF - HFP ( poly vinylidene fluoride - hexafluoropropylene ) porous membrane polymer battery was prepared by a phase inversion process.

173. Although the basis value is a little high, the filter is good absorbent of gaseity and aerosol fluoride.

174. The process of sodium fluoride by ammoniating method was described in brief. The phase composition and crystalline morphology was determined and the crystallization kinetics was discussed also.

175. A method for the determination of residue of fumigant sulfonyl fluoride in some cereals, such as maize, rice, barley and soya bean, is reported by headspace gas chromatography.

176. Polyvinyl fluoride used for laminate films may be clear or pigmented.

177. Fluoride protector was used to desensitize the prepared teeth before the crowns were cemented in the experimental group.

178. Objective:To evaluate the clinical therapeutic effectiveness of preventing radiation caries by acidulated phosphate fluoride(APFI) gel for patients with nasopharyngeal carcinoma.sentencedict.com/fluoride.html

179. Polyvinylidene fluoride was used to prepare solvent base fluorocarbon coating, and the solvent constitution of PVDF coating was screened and optimized.

180. The amphiphilic polymer was blended with the poly(vinylidene fluoride)(PVDF) and prepared membranes by phase inversion method.