The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid type ion exchange resin.所述的方法包括首先异丁烯用磺酸型离子交换树脂低聚生成二聚异丁烯....
They tried to get the harpoon into the ray before the sting tail came lashing over to retaliate...他们试图把鱼叉刺进鳐鱼体内，以防它猛摆那蜇人的尾巴报复。His tongue has a nasty sting , ie He says hurtful things.他的舌头能蜇人(说话伤人).Remove the bee sting wi...
Politicians like to pontificate about falling standards.政客喜欢自以为是地谈论准则的废弛。Aren't you ashamed to pontificate like that?你不惭愧 吗 ?你那样的夸夸其谈,装腔作势?Politicians like to pontificate the reason about falling standards.政治家喜欢自大地表...
In short, Fives stabilize Twos'emotionality, while Twos warm up Fives'coolness.简单地说, 五号稳定了二号易动的感情, 而二号温暖了五号的冰冷.Objective To investigate effect of experimental stress and cage shelf level on emotionality in Chin...
Asynchronization mechanism in duplex potentiometer and simple, active count measures to improve its synchronism are described.论述了双联电位器的失步机理及各种提高产品同步性能的简捷 、 有效的措施.Result shows that asynchronization FIFO solves cross - clo...