氟化

The application of fluor protector can restrain enamel demineralization and promote enamel remineralization.

氟漆的应用有明显抑制牙釉质脱矿及促进再矿化的作用。

Preparation of a high-strength α-hemihydrate gypsum based on complex pastern material is studied by using a complex active agent of industrial waste to improve the crystal properties of hemihydrate gypsum and to eliminate impurities' effect on the properties of products of phosphorous gypsum ,such as phosphorous and fluorine.

以磷石膏为基体原料制备高强α-半水石膏基复合材料，利用工业废渣中的激发剂来改进半水石膏的结晶性质，以消除磷石膏中磷、氟等杂质对磷石膏制品性能影响，同时激发剂使具有潜在活性的矿渣得以活化，制备的低温陶瓷化磷石膏基复合材料制品兼具陶瓷和石膏性能；SEM图片表明，制备的复合材料水化后晶体结构粗大、致密

Highly selective acylation at C-5 of indole was realized and a new method was established in the synthesis of TIMs.

采用三氟乙酰基作为吲哚C-3的保护基团，在路易酸催化下使吲哚的酰化反应高选择性地发生在5-位。

In order to investigate the tautomerism of 5-fluorouracil (5-FU) induced by proton transfer, we describe a study of structural tautomer interconversion using density functional theory calculations at B3LYP/6-311++G level of the theory.

采用密度泛函理论B3LYP方法，在6-311++G基组上研究了由质子转移引起的5-氟尿嘧啶(5-Fu)的异构化反应。

Result succinylation modified, trypsin hydrolysis, SDS and β-mercaptoethanol treatment greatly reduced lectin from gill of bighead carp; dimethyl sulfoxide, NaCl, tri fluoroacetic acid at a given treated concentration had no effect on its activity; lectin from gill of bighead carp agglutinated Haenatcoccus pluvialis, vibrio harveyi and Vibrioauguil larum specifically.

结果］琥珀酰化修饰、胰蛋白酶水解、SDS及β-巯基乙醇处理均使鳙鳃凝集素活性大大降低；在设定的处理浓度下，二甲基亚砜、NaCl及三氟乙酸对其活性没有影响；鳙鳃凝集素能专一地凝集雨生红球藻及哈维氏弧菌和鳗弧菌。

Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

公司宗旨："平等互利，信誉至上，团结合作，友谊长久"乙二胺；二乙胺；三乙胺；二乙烯三胺；三乙烯二胺；三乙烯四胺；四乙烯五胺；五乙烯六胺；己内酰胺；二甲基甲酰胺；烯丙基胺；N，N二甲基苯胺；正丙胺；正丁胺；正辛胺；三聚氰胺；1，2丙二胺；一乙醇胺；二乙醇胺；三乙醇胺；碘化钾；氢氧化钾；高锰酸钾；甲苯；二甲苯；对氯甲苯；丙酮；丁酮；乙酰丙酮；醋酸乙酯；醋酸丁酯；Y-丁内酯；碳酸二甲酯；乙酰乙酸甲酯；三伏乙酰乙酸；三伏乙酰乙酸乙酯；甲醇；无水乙醇；异丙醇；丙二醇；丙三醇；丙炔醇；1.3丙二醇；木糖醇；冰醋酸；己醛酸；巯基乙酸；异辛酸；己二酸；三氟乙酸；乙二酸；对氨基苯乙酸；邻氯苦杏仁酸；DL-扁桃酸；无水哌嗪；六无哌嗪；糠醛；蓖麻油；乙二醛；戊二醛；多聚甲醛；异丙醚；苯甲醚；四氢吡咯；纯吡啶；1.2二氯乙烷；二氯甲烷；三氯甲烷；四氯化碳；水合肼；壬基酚；纯间甲酚；硒酚；苯酚；对叔丁基苯酚；钛白粉；铁粉；全糖粉；双酚A；偶氮二异丁腈；叠氮化钠；碳酸钠；氯化钠；三氧化二铁；氯化亚铜；氯化亚砜；D4；碳酸氢钠；氨水；氯化钾；无水亚硫酸钠；过硫酸铵；乙二醇丁醚；乙二醇乙醚；氯化钙；环己酮；环己烷；甲基叔丁基醚；碳酸钾；三氯化铁；硝酸钾；磷酸三钠；氧化锌；亚硝酸钠；氧化锑；酒石酸；OP-10；TX-10；粒碱；AES；苯甲酸钠；柠檬酸钠；偏硅酸钠；过硼酸钠；过碳酸钠；苯磺酸钠；亚氯酸钠；乌洛托品；尿素；盐酸；硫酸；乳酸；氨基磺酸；双氧水；碳酸氢铵

Methomyl, fipronil, tebufenozide and imidacloprid resulted in slow photodecomposition of rotenone in aqueous solution revealing a photo-extinction effect, chlorpyrifos, ethiofencarb, cypermethrin and tetramethrin made the photolysis of rotenone in aqueous solution fast showing an obvious photosensitized effect.

室内条件下研究了鱼藤酮水溶液存在不同杀虫剂时，鱼藤酮的紫外光降解，结果表明：灭多威、氟虫腈、虫酰肼和吡虫啉使鱼藤酮在水溶液中的光解速率下降，表现出明显的光猝灭降解效应；毒死蜱、杀虫单、氯氰菊酯和胺菊酯使鱼藤酮在水溶液中的光解速率加快，表现出光敏化降解效应。

Guizhou coal ; fluorine ; chlorine ; existing form ; low-temperature ashing ; washability ; removability

贵州煤；氟；氯；赋存形态；低温灰化；可选性；可脱除性

In the arylation reaction, the temperature was meliorated from -40℃ to -15℃, which could be easy controlled with ice-salt bath. Furthermore, the reaction could be carried out reposefully by adding the initiator.

其中在以2，5-二氟溴苯格氏试剂进行芳基化反应时，改进了反应条件，克服了文献使用的低温条件(-40℃)，简便了操作，同时通过加入合适的引发剂，使反应能够平稳进行。

Phosphine generally require long exposure periods, whereas methyl bromide and sulfuryl fluoride provide a rapid fumigation that can be completed in less than 4 days, often within 24 hours.

磷化氢一般需要较长的密闭时间，而溴甲烷和硫酰氟则适合快速熏蒸，可在不到4天之内完成熏蒸工作，一般在24小时内完成。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。