以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP ).N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps....
There are several conjectures.存在着几种猜测。I was right in my conjectures.我所猜测的都应验了.Let us not make random conjectures about the greatest matters.关于那些最伟大的事物,我们不要随意猜测....
Water oozed from the leaky pipe.水从漏的管子中渗出来.Mud oozed from underground.泥浆从地下冒出来.Spittle oozed down his jaw.唾液顺着他的下巴流下来。Blood oozed out of the wound.血从伤口慢慢流出来。...
她饥饿地盯着烤肉看.She looked at the roast hungrily.莫拉和萨拉饥饿地看着疣猪逃跑了.Mora and Zara watch hungrily as the warthog makes its getaway.总司令是疯狂的无法饥饿地到达.Commander - in - chief was mad cannot arrive hungrily....
古埃及人制造了玻璃 、 瓷砖 、 松脂 、 肥皂和染料.The ancient Egyptians could make glass, tile, turpentine, soap and dyes.一些小昆虫常常不幸粘到了松脂里.Little insects were often unlucky and got stuck in this sap.本厂常年供应优质松脂 、 松香、松节油.Our perennial supply of ...
一位匿名的作者在《快报》中引用了她的话说:“我不会保释那两个傻丫头的”。She was quoted in the Express by an unnamed source as saying: "I won't bail out those two silly girls."这种匿名的卑鄙行为使他一时觉得下流得让人吃不消.The meanness of anonymity gave a shuddering obscenit...