“环戊醇”造句

报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.
In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - diphenyl - 3 - cyclopentene - 1 - one.

相关问题
最新发布
  • toils例句

    Nora toils away serving burgers at the local cafe.诺拉在当地小餐馆干着一份为客人端送汉堡包的辛苦活儿。The thief was caught in the toils of law.这个贼陷入了法网.In short, the wily old Jew had the boy in his toils.简而言之, 狡猾的老犹太使那个孩子陷入了他的罗网....
  • acaroid的音标?

    acaroid的音标:acaroid的英式发音音标为:['ækərɔɪd]acaroid的美式发音音标为:['ækəˌrɔɪd]...
  • “媒介”造句

    空气 、 水 、 衣服、及昆虫都会成为疾病的传染媒介.Air, water, clothing and insects are all means of infection.这种疾病是通过昆虫媒介传播的.This disease is spread through the agency of insects.艺术可以用作为宣传的媒介.Art may be used as a vehicle for propaganda....
  • “鱼胶”造句

    鱼胶粉与热水调至溶解, 拌入覆盆子液中.Melt the gelatine powder with hot water. Stir into raspberry.把鱼胶粉、糖及热水混和.Mix the gelatine powder and sugar into hot water.鱼胶粉溶于热水中,打入芝士混合物内.Dissolve gelatine in got water and beat into the cheese mixt...
  • cupal的意思

    包铜的铝薄板...
  • “托词”怎么读?

    “托词”的拼音为:tuō cí ...
  • haemorrhage是什么意思?

    n.出血(尤指大出血)v.大出血...
  • iambi什么意思解释

    n.抑扬格,短长格( iambus的名词复数 )...
  • Lyme的音标

    Lyme的音标:...
  • holders怎么读

    holders的音标:...
  • “风铃草”怎么读?

    “风铃草”的拼音为:fēng líng cǎo...
  • Baylor造句

    For years he led the Baylor College of Medicine in Houston.这些年来他在休斯顿的Baylor医科大学供职.Jane Sadler, a family practitioner at Baylor , did the honors.贝勒大学的医生简·赛德勒(JaneSadler)有幸为他做了检查.When Baylor full court, people looked at th...
  • “冷冻”造句

    将冷冻的肉卷放到抹了油的烤盘上。Place the frozen rolls on a greased baking tray.咖啡经冷冻干燥以保留原汁原味。The coffee is freeze-dried to seal in all the flavour.鸡肉做好以后,我会把一部分冷冻起来.When the chicken is cooked I'll freeze some....
  • “本质”的反义词

    “本质”的反义词:现象, 表面。...