采用1,4- 丁二醇 、 马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol.研究了加入聚对苯二甲酸丁二醇酯(PBT) 对酚醛塑料的增韧改性.A phenolic resin was ...
There was no doubting the animal magnetism of the man.毫无疑问，这个男人身上透着一种野性魅力。You feel an animal panic to run and hide.你会感到一种本能的恐惧而想要去逃避。You're quite a party animal aren't you, out there every night.你就是为派对而生的，不是吗，每...
这个是上腰肉,还有去骨的肉片, 还有脊肉 —— 这个是最好吃的.Here's the sirloin and the fillet, the saddle - that's the best bit.猪肉: 精瘦肉(脊肉, 去骨里脊 ) 可以与去皮的鸡肉媲美.Pork: Lean cuts ( tenderloin, boneless loin chops ) compare favorably with skinl...
A large wooden table dominates the centre of the room...一张大木桌摆在房间正中央。The territory of a cat only remains fixed for as long as the cat dominates the area.猫的地盘只在它占据那个地方的时候是固定不变的。The village church dominates the skyline.乡村教...