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单词 Fluoride
例句
1. It is a proven fact that fluoride strengthens growing teeth.
2. Some dentists are convinced that the addition of fluoride in water is ineffective as a prophylactic treatment.
3. They also claim that fluoride potentially causes birth defects.
4. Fluoride is helpful in fighting tooth decay.
5. A fluoride mouth wash will help to prevent dental decay.
6. Kleinberg says that fluoride, which is in most drinking water and toothpaste, protects against 30 percent of tooth decay.
7. Look for toothpaste with fluoride which will help to make your teeth more resistant to attack.
8. Geoffrey Smith Fluoride is now added to drinking water to protect teeth.
9. If you need extra fluoride protection, your pharmacist can advise you about fluoride tablets and drops.
10. These included: Foodstuffs and beverages rich in fluoride, such as sardines and tea.
11. She brushes her teeth with fluoride, but spits to deter the Evil Eye.
12. In some parts of the country fluoride is added to the water to help prevent tooth decay.
13. The symptoms produced by fluoride poisoning are similar to those produced by herbicides and pesticides in our food, particularly wheat.
14. And an excess of fluoride must have a systemic effect elsewhere in the body.
15. Fluoride can be harmful; the key question is, at what concentrations does it become toxic in the body?
16. Enolase isolated from peas was sensitive to fluoride.
17. Calcium compounds could decrease fluoride emission rate from montmorillonite.
18. What is the SYLODENT? in Glister Fluoride Toothpaste?
19. The means extenuating fluoride damage were presented.
20. Basically on all chemical corrosion with except some fluoride and alkaline metal liquid.
21. Perfluorinated Sulfonyl Fluoride Resin prepare in this paper, used for proton exchange membrane fuel cell, was analyzed by DSC, TGA, etc...Mechanical property and ion exchange content were tested(), too.
22. The toothpastewith fluoride to strengthen tooth enamel and prevent the build up of plaque.
23. Most urban water supplies in the United States now contain fluoride in varying amounts.
24. First, fluoridation will raise the average steady state or plateau level of ionic fluoride in the blood throughout the total population.
25. Aluminium smelters are only one of a score of industries which now pollute the total environment with fluoride emissions and solid wastes.
26. Their Active Mouthguard is a refreshing mouthwash with a special anti-bacterial agent to fight plaque plus it contains fluoride to strengthen teeth.
27. Bone char, as a raw bone salt, may be used to reduce the fluoride concentration in drinking water to acceptable limit.
28. My dad had grown up outside of Lubbock where there was too much fluoride in the water and as a result had had brown stains on his four front teeth for as long as I had known him.
29. Properties and synthesis methods are introduced, and latex, suspension[Sentence dictionary], solution polymerization and copolymerization of vinylidene fluoride are reviewed.
30. The titrant is a mixture of silver nitrate and sodium fluoride, both fluorinion indicating electrode and silver ion indicating electrode are inserted in the titration solution.
31. Fluoride is a naturally occurring mineral that helps to safely strengthen tooth enamel and prevents cavities.
32. Membrane utilized for endotoxin removal namely chitosan affinity membrane was prepared by using Poly(vinylidene fluoride) (PVDF) hollow fiber membrane as support.
33. Results showed that Perfluorinated Sulfonyl Fluoride Resin prepare in this paper was of practical usage with properties fit for application.
34. This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester.
35. Conclusion The fluoride contents of the samples and daily total fluoride intake are condign to related health standards in Wuhan residents.
36. Objective To explore the changing regularity of skeletal fluorosis with osteosclerosis drunk low fluoride water for long time.
37. The polyvinylidene fluoride (PVDF) flat microporous membrane was prepared via thermally induced phase separation (TIPS) method using dimethyl phthalate (DMP) as the diluent.
38. Objective To investigate the preventive effectiveness in reducing tooth decay and decalcification of different concentration of fluoride toothpaste for orthodontic patients.
39. The conditions and mechanism of removing fluoride ions from water by activated meerschaum have been investigated in this paper.
40. Some antihistamines, antipsychotic drugs, and antihypertensive medications cause tooth stains, as can iron and excess fluoride.
41. In this thesis, polyvinylidene fluoride (PVDF) hollow fibers membrane are fabricated by using dry-wet phase inversion method.
42. The fluoride in standard reterence material of broccoli, spinach, rice, dry fish meat and the corn of was determined by this method on precision and accuracy.
43. Objective To investigate clinical appearances, mechanism and prognosis of the cerebropathy of acute organic fluoride poisoning.
44. The system, made by Linde, splits hydrogen fluoride into fluorine.
45. Some single-layer films of 9 infrared thin film materials, which include fluoride, sulfide and selenide, have been made by resistive heating evaporation or electron beam bombardment technique.
46. Objective To evaluate the concentration of fluoride in the air of Nanzhuang, Xiaotang in Nanhai City and offer references for the water fluoridation schemes in the very areas.
47. Conclusions The F - releasing may affect physical and mechanical properties of fluoride - containing composites.
48. The results showed that the combined toxicities were antagonism in both fluoride and selenite and fluoride and selenate tests.
49. Fluoride in Drinking-water is one out of a series of WHO monographs, which address the management of other chemicals in drinking-water, such as arsenic or cyanotoxins.
50. Traditional phosphating solutions usually contain sodium nitrite, potassium bichromate, sodium fluoride and nickel nitrate which are detrimental to human body and environment.
51. Usually fluorinated copolymer unit, said the number of fluorine atoms, such as fluorine rubber, 23, is a vinylidene fluoride copolymers with chlorotrifluoroethylene.
52. Calcium is necessary for healthy teeth. Fluoride in toothpaste helps us to prevent tooth decay.
53. Ion selective electrode analysis of fluoride in deluted chromating solution is described.
54. Novel hydrophobic polyvinylidene fluoride(PVDF) hollow fiber membranes were adopted in air blowing membrane absorption(ABMA) process for the purpose of bromine extraction from seawater.
55. Polyvinylidene fluoride(PVDF) membrane was made by N, N-dimethylformamide(DMF) as the solvent and fluoride resin as the hydrophobic agent.
56. Experiment using HF - fumigation was conducted to study effect of hydrogen fluoride on rubber tree saplings.
57. Conclusion Fluoride mouth rinse can effectively prevent and treat enamel decalcification in fixed-orthodontic treatment.
58. Metallic calcium also burns in fluorine gas, forming the fused fluoride,[sentence dictionary] and occasionally minute crystals of fluorspar .
59. Aim To validate spectrum analysis of oxalyl fluoride neutral molecule(FCO)2 and study vibrational mode of the two configuration.
60. The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.
61. Perfluorotriethylamine is fabricated through electrochemical fluorination of triethylamine in anhydrous hydrogen fluoride under a certain condition.
62. The pyroelectric effect of polyvinylidene fluoride ( PVDF ) has great influence on the PVDF pressure transducer sensitivity.
63. Along with two other factors of saccharose and fluoride, the change of amino acids contents was observed, which would help to discover the association between amino acid and caries susceptibility.
64. Significant fluoride exposure via large burns, inhalation, or ingestion will require observation for hypocalcemia.
65. At 31 May, 2008, Sodium Fluoride in Chinese WIKIPEDIA was started to translate.
66. Lead or annealed copper washers are most often used in fluorine and other reactive fluoride service.
67. Objective To investigate density of femoral head cancellous bone in normal and fluoride - treated rats.
68. Polyvinylidene fluoride (PVDF) coating has been widely used in the exterior decoration of all kinds of architectures for more than 35 years because of its superiority of weathering durability.
69. It differs from other acids in that the fluoride ion readily penetrates the skin and causes destruction of deep tissue layers, including bony decalcification .
70. Shaped microporous articles are produced from polyvinylidene fluoride (PVDF) and nucleating agents using thermally induced phase separation (TIPS) processes.
71. The invention relates to a polyvinylidene fluoride building film material and relative production.
72. The modified method of water vapor induced membrane formation was introduced to prepare high hydrophobic poly(vinylidene fluoride)(PVDF) porous membrane in this paper.
73. Fluoride is usually used as opacifier for opaque glass, but fluoride brings about pollution of environment.
74. Fluoride is one of the ingredients of Glister Multi - Action Fluoride Toothpaste.
75. A fluorination catalyst for methylene fluoride production by gaseous phase fluorination, and its practical process areintrouduced.
76. The variation of interchain potential in copolymer vinylidene fluoride with trifluoroethylene during chain rotation was calculated.
77. Objective: To observe the anti caries effect of Sodium fluoride and fluor protector.
78. Brick manufacture is one of the major pollution sources of fluoride.
79. Poly(vinylidene fluoride)(PVDF) is the fluoroplastics which has the best properties of piezoelectric material in practical applications.
80. The moderate technological conditions fluoride removal in aluminum industry by coagulation and precipitation are studied.
81. Objective:To measure the fluoride concentrations in dental plaque and saliva after the use of sodium fluoride rinses and APF solutions and evaluate the significance in caries prevention.
82. Simultaneous determination was performed on the production environment of lead dust, smoke lead, arsenic and its compounds, fluoride concentrations.
83. A serviceable method of determining mulberry leaf fluoride with a Fluorine ion counter was studied, two sample prepared methods to determine influence of result was probed.
84. The development and trend of the polyvinylidene fluoride resin and coating used in architecture are introduced.
85. A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced.
86. At 2 June, 2008, Sodium Fluoride was recommended myself to be a candidate of DYK.
87. Description of content: Inclusion in the European Community positive list of an active substance (Sulfuryl fluoride) which may be used in authorised wood protection biocidal products.
88. The polyvinylidene fluoride ( PVDF ) resin shows very low critical surface tension,[http:///fluoride.html] and unique dispersibility.
89. The effects of potassium sodium tartrate and ammonium fluoride on the reaction of O-nitro-phenylfluorone with titanium have been studied.
90. Both high temperature shock and fluoride solution administration could cause great change in CAT activity and the degree of change varied with silkworm race, sex, stage and administration dose.
91. No fluoride or sodium lauryl sulphate (SLS). Pure herbal formulations.
92. The effectiveness of anti - caries actives formulations based on sodium fluoride or sodium mono - fluorophosphate are confirmed.
93. In this paper, asymmetric microporous poly (vinylidene fluoride) (PVDF)membranes were prepared by phase-inversion process.
94. Inorganic: aluminum nitride, zirconia, potassium fluoride, bentonite, kaolin, barium sulfate, lead sulfate, sodium aluminum, chromium oxide, titanium dioxide.
95. With hard rubber lining material, soft rubber, plastics , and other various types of fluoride.
96. Other raw materials such as calcium fluoride, barium salts, potassium, sodium, calcium, salt favour of frosting.
97. Results Lead dust, smoke lead, arsenic and its compounds, fluoride and other toxins in the environment did not exceed national standards.
98. The results show that the thermal stability and machine intensity were improved compared to Polyvinylidene Fluoride membrane.
99. The polyvinylidene fluoride microporous film prepared by the invention is high in film strength and large in water flux with the sections which have a uniform and run-through spongelike structure.
100. The prevalence of dental fluorosis of the children drinking low fluorine water was no difference no matter whether using fluoride dentifrice or not.
101. Methods: The fluorosis animal as model was artificially made by subcutaneously injecting the fluoride to rabbits.
102. It'shows a thousandfold selectivity for fluoride over other common anions.
103. Objective To determine the impact of temperature and relative humidity on sulfuryl fluoride fumigation against rats.
104. Methods The study was conducted in a simulated fumigation container in order to determine the impact of temperature, humidity and sulfuryl fluoride doses on the fumigation against rats.
105. The blended fiber spinning of PVP with polyethylene oxide (PEO), S-630 and poly (vinylidene fluoride)(PVDF) was also studied.
106. Results The turbidity and fluoride in 98 % and %% after treated by electromagnetic fields.
107. In this determination, the fluoride ion solution was taken as titrant and the fluoride ion selective electrode was taken as indicating electrode.
108. The generalized Gaussian formalism is applied to praseodymium fluoride fiber amplifiers to obtain accurate analytic expressions for portion of the core is investigated.
109. Conclusion Fluoride bioavailability in fluoridated milk is still high and sufficient.
110. Refining processes with concentrated sulfuric acid or hydrogen fluoride as catalyst are currently being used for the manufacture of alkylation gasoline from isobutane and light olefins from FCCU.
111. Furthermore, many mothers have found that vitamin or fluoride supplements may cause fussiness or colic in their infants.
112. With potassium fluoride as catalyst, spironolactone compound was synthesized from DDSA.
113. Effects of various components on the opacity of fluoride opal glass have been determined.
114. Objective To study the effects of fluoride on expression of calmodulin in rat osteoblasts cultured in vitro in different doses and at different time.
115. Calcium fluoride content in calcium cyanamide charging is determined by a fluoride ion selective electrode method, and its conditions and applications are tested.
116. Due to the hydrophobicity of poly(vinylidene fluoride) (PVDF), the application of PVDF membrane was limited.
117. A damage of cartilaginous cell and joint structure of arm bone of the newborn mice was observed in high dose fluoride group.
118. Polyvinylidene fluoride ( PVDF ) as a biomaterial: from polymeric raw material to monofilament vascular suture.
119. And our chief Mineral products are acid-grade fluorspar powder, metallurgical grade fluorite ore block, fluorspar lump, calcium fluoride,[] ect.
120. Fluoride is usually used a opacifier for opaque glass, but fluoride brings about pollution of environment.
121. How reduce discharge of hydrogen fluoride become an important subject for research effectively.
122. The present invention relates to drinking water treatment, and is especially process and electrical flocculator for treating fluoride and organic matter in drinking water.
123. The manufactural processes of vinylidene fluoride monomer(VDF) were reviewed, and the characters of VDF manufactural processes were also discussed.
124. The method for detecting the content of fluoride in environment is rapid and effective, and is 10.0% smaller than mean deviation.
125. The molten electrolyte bath consists principally of cryolite (sodium aluminum fluoride) plus some excess aluminum fluoride, 6 to 10 percent by weight of fluorspar and 2 to 5 percent aluminum oxide.
126. Pitch fluoride powders were prepared through the reaction between mesophase pitch grain and fluorine gas in rotative nickel reactor.
127. Objective Study of the influences of lanthanum, cerium and fluoride on the activity of glucosyltransferase (GTF) and adherence of oral cariogenic bacteria.
128. Nickel sulfate, nickel chloride, nickel fluoride, nickel acetate, nickel hydroxide, electrolytic nickel, nickel matte, copper sulfate, cobalt sulfate and nickel sulphamate etc.
129. There is little evidence to support the effect of tea on dental plaque inhibition but evidence to support the contribution of tea to fluoride intakes and thus theoretical protection against caries.
130. Purpose: observation of nifedipine GITS and sulpiride the use of fluoride - US joint chronic asthmatic bronchitis effect.
131. Objective To investigate clinical appearances, mechanism and treatment of the impairment of organic fluoride poisoning on nephroses.
132. The process of preparating potassium fluosilicate from the mother liquor of magnesium fluoride has been studied.
133. In the paper, the test results about fluorine retention in the alkaline-earth metal compounds combustion were studied to develop high-efficient fluoride retention additive.
134. Results All of the fluoride containing materials demonstrated a higher fluoride release than that from non fluoride control materials.
135. In some cases, hemodialysis is necessary for fluoride removal and for correction of hyperkalemia.
136. Contains fluoride to strengthen tooth enamel and reduce the risk of cavities caused by acidic food.
137. The calcium aluminum slag could replace fluorite to prevent fluoride pollution and reduce the bad corrosion to ladle lining.
138. According to the requirements on the drawing, the sand blasting, and painting should be taken for the main format, leg, aluminum hoper, fluoride hopper, deck plate, etc.
139. It is used as UF3 in nucleus industry. It is also used as other fluoride materials and porcelain enamel medical industry.
140. In this paper, the extraction of bromine from seawater and brine was studied with new type macromolecule polyvinylidene fluoride (PVDF) hollow fiber gas membrane.
141. A new method for makeing robot wrist sensor, applying piezoelectric organic material polyvinylidene fluoride (PVDF) was discussed.
142. The three precipitates of aluminum fluoride, potassium fluosilicate and silica gel would form at low displacement, while the aluminum fluoride and silica gel precipitates at high displacement.
143. To improve the homogeneity of manganese sulfide and calcium fluoride, the machinability could be enhanced.
144. A kind of process for preparing hydrous zirconium fluoride is introduced.
145. Excess fluoride produces osteoscherosis, the first signs of which appear in the vertebrae.
146. The RE fluoride can be prepared directly from oxalate by adding hydrofluoric acid . The ratio of transformation and recovery is high if the hydrofluoric acid is added by 120% theoretical amounts.
147. Objective The expression of various non-collagenous proteins and collagen protein on the rat fetal calvarial osteoblast cultured in low doses fluoride condition in vitro had been studied.
148. Objective:To compare the anti acid and decalcification effects of different fluoride products by using an artificial caries model.
148. Wish you will love and make progress everyday!
149. This research uses dicyandiamide as firming agent in epoxy powder coating and sodium fluoride as additive in epoxy.
150. At 1 June , 2008 , the article , sodium fluoride has been translated.
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./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.
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, 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.
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.
211. Singlet and multielement lenses are available in a wide variety of configurations and materials, including glass, fused silica, sapphire, and calcium fluoride.
212. Methods: To treat teeth with fluoride treatments before or after etching.
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