以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸铈铵为催化剂,...
Roundtrip Economy class air ticket for Hong Kong and Penang via Kuala Lumper MH ( E - Ticket ).马来西亚航空公司来回香港至槟城经吉隆坡济客位机票(电子机票 ).Recently, Kuala Lumper beat Chicago in a battle of skyscrapers.最近吉隆坡在一场摩天大楼的争霸中击败了芝加哥.I want ...
Hieroglyphs are carved into the walls of the temple.寺庙的墙壁上刻着象形文字。This paper discusses the fundamental distinctions between the hieroglyphs andforerunner of writing.英汉象形文字的比较是建立在象形文字具体内涵的基础上.Egyptian hieroglyphs depict th...
And maybe I a bad shooter coz I keep missing you.噢,我也许是个很糟糕射手,噢,我不能停止想你!I have been a shooter for 16 years and enjoy my sport.我从事射击运动已经16年了，很喜爱这项运动。On the 18 th green , Shooter McGavln putts for the wln.在十八草坪,舒特.麦克佳文打进了....
The students have barricaded themselves into their dormitory building.学生们把自己关在了宿舍楼里。The rioters barricaded streets with piles of blazing tyres.暴徒用一堆堆燃烧的轮胎在大街上筑起了路障。About forty prisoners are still barricaded inside the wr...