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181. The combined action degree of fluoride and selenite varied with their different mixture ratios and changed in a regular way.

182. The titrant is a mixture of EDTA and sodium fluoride, both mercury film electrode and fluorinion indicating electrode are inserted in the titration solution.

183. The invention relates to a preparation method of a polyvinylidene fluoride (PVDF) ultrafiltration membrane with improved permeability.

184. Polyvinyl fluoride coatings are based on resin made by the polymerization of a vinylidene fluoride monomer.

185. Although removal of excessive fluoride from drinking-water may be difficult and expensive, low-cost solutions that can be applied at a local level do exist.

186. Aim To validate spectrum analysis of oxalyl fluoride neutral molecule (FCO) and study vibrational mode of the two configuration.

187. The results show that the influences of fluoride and phosphide on the crystallization process of LAS glass are different.

188. Fluoride damage is generally restricted to areas near manufacturing plants.

189. In step (2), the couplant uses a function group B1 to bond to catalyst, and uses a function group B2 to bind to high molecular fluoride.

190. Fluoride injury often is characterized by tip burn of leaves.

191. The test sample was treated by nitric acid and hydrogen fluoride acid.

192. Results Raising the rate of changing kitchen range, the achivement on reducing fluoride was obvious, sum up a lot of useful experience.

193. Two Glister toothbrushes with protective caps, one Glister Fluoride Toothpaste ( Sample size ), and one Travel Pouch.

194. Fluorine and hydrogen fluoride in a mixed gas, HF -- F _ 2 -- Ar ahd F _ 2 -- HF -- N _ 2, have been determined.

195. Objective To investigate the effect of fluoride on human tooth-germ cell proliferation and expression of related regulators.

196. Conclusions Fluoride mouth rinse can effectively prevent and enamel decalcification in fixed - orthodontic treatment.

197. Polyvinyl fluoride resin reinforce soft stain remover is designed and constructed on the basis of soft stains remover. It is integrated with high strength steel pike stains removing device.

198. Conclusion It is effective that fluoride iontophoresis treats dentin hypersensitivity.

199. Machinability of P/M sintered steels with manganese sulfide and calcium fluoride additives is investigated and analyzed by experiments of sintering and cutting on milling machine.

200. Objective To evaluate the remineralization effect of milk with lanthanum[sentencedict.com], milk with fluoride and milk with calcium on artificial enamel caries.

201. Objective: To study the effect of different dosages of fluoride on hepatic and nephric functions and oxidative stress of rats.

202. How fluoride keeps the tooth fairy away is a mystery that researchers are still working to unravel.

203. Results It is necessary to improve the use of analgesia ( 27.3% ), pulpotomy ( 21.6% ), rubber dam ( 1.4% ) and fluoride, the related work of occlusion guidance should be reinforced.

204. Dose -response of rubber tree seedling on hydrogen fluoride(HF)was studied through an experiment of HF -fumigation.

205. Fluoride and strontium has special affinity and influence on bone stabilization.

206. We regard treatment of skeletal fluorosis as an important content for controlling of endemic fluoride intoxication.

207. This paper reports the synthesis of 2 - heptanone in the functions of absolute potassium fluoride and acetonitrile.

208. Fluoride is an important element in the mineralization of bone and teeth.Sentencedict.com

209. Detection of ultrasound is realized by polyvinylidene fluoride (PVDF) piezoelectric film.

210. A new technology is introduced for preparation sodium fluoride and silica aerogel from fluorosilicis acid, the by-product of phosphatic fertilizer production.