色谱
3.The HPLC analytical column containing Spherisorb C??18? was connected to a programmable variable wavelength UV/Vis detector that was set at 305 nm for DCV and 250 nm for ACV according to the time?programming.
1.The main colors black and orange are also a part of Halloween. Black is a symbol for night and orange is the color of pumpkins.
黑色和橘色成为万圣节的主色调，黑色是夜晚的标志，而橘色则是南瓜的颜色。
2.A small blue leather case, with my name tag on the top and my personnel stuff inside.
是一个很小的兰色的皮箱.上面有我的姓名贴.里面是我的私人用品.
