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....
她伸手又从衣橱里取出一件运动服。She reached into the wardrobe and extracted another tracksuit.我去布鲁克斯兄弟专卖店给自己买了一件体面的衬衫。I went to Brooks Brothers and bought myself a decent shirt.我讨厌别人就那件事指责我们。I hate it when people accuse us of that....
结果表明,削片机主轴振动是一种混沌运动.Result indicates that combustion vibration of chippers chief shaft is a kind of movement of chaos.这些力的状况影响木片质量 、 削片能耗及削片机的载荷.The forces affect the quality of the chip, cutting energy consumption, and ...
Giorgio Del Vecchio distinguish sharply between the concept of law and the ideal of law.乔治奥·德尔·韦基奥严格地将法律概念和法律理想作了区别.A pocos minutos andando del parque del Lago Verde est á el parque Yuatong.从翠湖公园步行几分钟就到了圆通公园.Detective De...
No, it's a sale price.不, 这已经是优惠价了.Mr. Taylor: Well, 2 % of the sale price of your house.泰勒先生: 嗯, 2%的价格出售你的房子.The sale price is 50 % of the normal price.甩卖价为正常价格的百分之五十....