potassium fluoride
英 [pəˈtæsiəm ˈflɔːraɪd]
美 [pəˈtæsiəm ˈflɔːraɪd]
网络 无水氟化钾; 氟化钾; 供应无水氟化钾; 工业氟化钾
双语例句
- Inorganic: aluminum nitride, zirconia, potassium fluoride, bentonite, kaolin, barium sulfate, lead sulfate, sodium aluminum, chromium oxide, titanium dioxide.
无机物：氮化铝、二氧化锆、氟化钾、膨润土、高岭土、硫酸钡、硫酸钻、铝酸钠、氧化铬、钛白粉。 - It is pointed out by author that fluorination with potassium fluoride in ionic liquids is a good fluorination method.
在离子液体中用氟化钾氟化是一个新的优良氟化方法。 - This paper reports the synthesis of 2-heptanone in the functions of absolute potassium fluoride and acetonitrile.
报道了在无水氟化钾和乙腈作用下2－庚酮的合成。 - Recovering Pyridine from Pharmaceutical Waste Liquor with Aqueous Potassium Fluoride
用氟化钾水溶液从制药废液中回收吡啶 - Benzaldehyde and heptaldehyde as materials, the α amyl cinnamaldehyde is synthesized in the presence of potassium fluoride on alumina.
以苯甲醛和正庚醛为原料，氟化钾／氧化铝作催化剂合成了茉莉醛。 - In potassium carbonate, potassium fluoride and potassium hydroxide alkaline electrolyte, dissolution of zinc oxide was reduced and cyclic life of negative electrodes were prolonged.
采用碳酸钾、氟化钾和氢氧化钾混合电解液，减少了氧化锌在碱性电解液中溶解度，延长了锌负极的循环寿命。 - Investigation on Preparing Potassium Fluoride from Mother Liquor in Production of Lithium Compounds
从提锂母液制取氟化钾的研究氟化镁母液的回收利用乙酰磺胺酸钾的合成 - The carbonyl methylene condensation reaction of aromatic aldehydes with ethyl cyanoacetate has been carried out smoothly in the presence of potassium fluoride only giving E isomers in high yield.
在氟化钾催化下，芳香醛与氰乙酸乙酯发生羰基与活性亚甲基的缩合反应，高收率地得到缩合产物，且只得到E式产物。 - The interference of Mn(ⅱ) has been shown to be eliminated by adding potassium fluoride.
本方法选择性高，对于Mn（Ⅱ）的干扰可通过加入氟化钾来消除。 - Four active cyclopropane compounds 2a-2d were synthesized using active methylene ( 1a-1d) and 1, 2-dibromoethane with potassium fluoride soaking alumina as a strong base under the condition of solid-liquid phase transfer catalysis, and the reaction mechanism was discussed in this paper.
以氟化钾浸渍的氧化铝为强碱，在固液相转移催化条件下，由活泼亚甲基化合物（1a～1d）与1，2－二溴乙烷合成了4种活性环丙烷化合物2a～2d，并探讨了其反应机理。 - Perkin Reaction Catalyzed by Anhydrous Potassium Fluoride
无水氟化钾催化的Perkin反应 - The study objects of this paper included: ﹝ inc negative electrodes prepared by zinc oxide, calcium zincate, compound of zinc oxide and barium hydroxide; ( 2) potassium carbonate, potassium fluoride and potassium hydroxide alkaline electrolyte.
本文的研究对象为：①由氧化锌、锌酸钙、氧化锌和氢氧化钡混合物制备的锌负极②碳酸钾、氟化钾和氢氧化钾混合碱性电解液。 - Synthesis of Cyclopropane Carboxylates through Phase Transfer Catalysis with Potassium Fluoride Coated Alumina as A Solid Base
以KF&Al2O3为固碱相转移催化合成环丙烷羧酸酯 - The Catalytic Synthesis of Coumarin in the Presence of Potassium Fluoride Supported by Aluminium Oxide
三氧化二铝固载氟化钾催化合成香豆素 - Diethyl cyclopropane-1, 1-dicarboxylate was synthesised using alumina coated with potassium fluoride as a strong base and quaternary ammonium salt as a phase transfer catalyst ( PTC). Based on the experimental results a catalytic mechamism was proposed.
本文报道了在固液相转移催化条件下，将氟化钾浸渍的氧化铝作为强碱，季铵盐作为相转移催化剂（PTC），合成环丙烷－1，1－二甲酸二乙酯，探讨了该反应的机理。 - Catalytic action of potassium fluoride for condensation reaction of ethyl orthosilicate with triethanolamine
氟化钾在原硅酸乙酯和三乙醇胺的缩合反应中的催化作用 - Perkin Reaction of Furfural with Acetic Anhydride Catalyzed by Anhydrous Potassium Fluoride and Anhydrous Potassium Carbonate
无水氟化钾和无水碳酸钾催化糠醛与乙酸酐的Perkin反应 - Application of Fluoride Anion in Organic Syntheses ⅰ. Knoevenagel Reaction of Diethyl Malonate with Benzaldehyde Catalyzed by Anhydrous Potassium Fluoride
氟阴离子在有机合成中的应用Ⅰ.无水氟化钾催化丙二酸二乙酯与苯甲醛的Knoevenagel缩合反应 - Eight α, β-unsaturated acids were synthesized. Compared with anhydrous sodium acetate or potassium acetate, catalysis of anhydrous potassium fluoride has the advantages of high yield, low reaction temperature and short reaction time.
与无水醋酸钠或无水醋酸钾比较，用无水氟化钾作催化剂的优点是反应温度较低，反应时间较短，产率较高。 - The O-alkylation of S (-)-1,1 '-bis-2-naphthol [ S (-)-1], or R (+)-1 with various alkyl halides in the presence of potassium fluoride hydrate was studied.
本文报导在KF·2H2O促进下，S-（-）-或R-（+）-1,1′-联-2-萘酚（1）和卤代烷进行的O-烷基化反应，得到构型保持的产物。 - Anionic monofunctional polymerization and difunctional Polymerization of HFPO with perfluorinated acyl fluoride in presence of potassium fluoride have been studied.
研究了氟化钾催化下全氟环氧丙烷的自聚以及与全氟戊（或己）二酰氟的双官能团阴离子聚合。 - Study of N-Alkylation of Saccharin Catalyzed by Potassium Fluoride-Alumina
KF-Al2O3催化糖精N-烷基化反应的研究 - Butylation of diethyl malonate was conducted in presence of potassium fluoride on alumina, without solvent, under mono-microwave irradiation, by phase-transfer catalyst. It shows that the yield is higher and the selectivity is better under these conditions.
利用单膜微波技术和相转移催化技术，在没有溶剂的条件下，采用KF/Al2O3作碱，以较高的产率和较好的选择性迅速合成了丁基丙二酸二乙酯。 - The synthesis of potassium fluoride peroxide ( KF · nH_ ( 2) O_ ( 2)) is studied, and the measures for improving the stability of the product by adding a certain amount stabilizer are also stated.
对过氧化氢氟化钾（KF·nH2O2）的合成进行了研究，并提出添加一定数量稳定剂，以提高其产品在高温下稳定性的方法。 - N-Alkylation Reaction of N-Monosubstituted Sulfonamides Promoted by Potassium Fluoride in Ionic Liquids
离子液体中KF作用下N-单取代磺酰胺的N-烷基化反应 - Coating structure is effectively adjusted by adding potassium fluoride in Phosphate electrolyte, and corrosion resistance of the coating is further increased.
在六偏磷酸盐电解液中加入氟化钾实现了对膜层结构的有效调整而使其耐蚀性能进一步增大。