氟化氰 的英文怎麼說
中文拼音 [fúhuà]
氟化氰
英文
cyan fluoride-
The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.
異氰酸酯可由含氯的環(或非環)狀分子氟化而得。Perfluoroguanidine can be prepared by the direct fluorination of dry ammeline with 5% fluorine at about-16℃.
全氟胍可以由乾的三聚氰酰胺,用5的氟,在約16直接進行氟化而制得。Perfluoroguanidine can be prepared by the direct fluorination of dry ammeline with 5% fluorine at about -16℃.
全氟胍可以由於的三聚氰酰胺,用5的氟在約16直接進行氟化制得。Theoretical analysis and testing results demonstrated that viton, a new substitute of the former plasticizer, could noticeably improve its performances, which has been proved as the important improvements of the mixture. due to the favorable thermochemistry performance, dicyandiamide can act as a good combustion - rate regulator. the addition of antistatic agent can desirably increase the antistatic capability of the mixture, and the testing results showed that the performance of the improved mixture was excellent
理論分析和測試結果均表明了以氟橡膠取代耐水點火藥中原粘合劑將使藥劑的各項性能有明顯的改善,是耐水點火藥改進的重要方面;雙氰胺具有良好的熱化學特性,作為耐水點火藥改進中的燃燒速度調節劑具有很好的調速效果;抗靜電劑的加入,進一步提高了藥劑的抗靜電能力,測試分析表明改進后藥劑的性能更加優異。Beginning with fluorobenzaldehyde, cyfluthrin was synthesized by bromination, acetalation, etherification, hydrolysis, and esterification, with a total yield of 45 %
以對氟苯甲醛為起始原料,經過溴化、縮醛化、醚化、水解、酯化合成氟氯氰菊酯,總收率45 % 。This research uses dicyandiamide as firming agent in epoxy powder coating and sodium fluoride as additive in epoxy
摘要採用磷酸雙氰胺鹽作環氧粉末塗料的固化劑、氟化鈉作添加劑。< uk > perfluoroguanidine can be prepared by the direct fluorination of dry ammeline with 5 % fluorine at about - 16. < / uk >
< uk >全氟胍可以由於的三聚氰酰胺,用5的氟在約16直接進行氟化制得。 < / uk >Industrial pollution has been a problem in certain areas of hong kong, and 12 parameters relating to metals and metalloids were initially used in 1986 to measure the degree of such pollution. these parameters are aluminium, arsenic, boron, cadmium, chromium, copper, iron, mercury, manganese, nickel, lead, and zinc. in 1997, another seven were added antimony, barium, beryllium, molybdenum, silver, thallium, and vanadium, making a total of 19
香港部分地區多年來一直受工業污染的困擾, 1986年河溪水質監測計劃推行初期我們用12項金屬及準金屬參數來檢驗工業污染水平:鋁砷硼鎘鉻銅鐵汞錳鎳鉛及鋅其後在1997年起另添加了七項新參數:銻鋇鈹鉬銀鉈及釩,監測的參數共19項,此外並測試了四項與工商業污染有密切關系的參數,即氰化物總量氟油脂及洗滌劑。分享友人