Organic silicate is prepared by Quaternizing, Hydrosilylation addition and Balanced or Polycondensation reaction.有机硅季铵盐是通过季铵化, 硅氢化加成和平衡或缩聚等反应制得.A silicone - polyether copolymer was synthesized by the hydrosilylation of s...
在1,000英尺的高度飞行时,他听到旋翼发出一种奇怪的噪音。Flying at 1,000 ft. he heard a peculiar noise from the rotors.奇怪的是,她拼命求生的抗争使得她的健康状况大有好转。Curiously, the struggle to survive has greatly improved her health.奇怪的是,那些不相配的伴侣实际上却彼此需要。In some perve...
The Celtic word "geis" is usually translated as "taboo".凯尔特语中的geis一词通常被译作taboo(禁忌)。In Xiangfan dialect, two different " geis " can be used together, which is a special grammatical phenomenon.襄樊方言不同的 “ 给 ” 可两两连用, 这是一种特殊的语...