The structures, principles, and characteristic of three-dimensional mass transfertray (LLC-Tray) was introduced and applied to chloroprene-dichloro-butene distillation process.
介绍了立体连续传质塔板的结构、原理、特性，并经设计后应用于氯丁二烯-二氯丁烯精馏过程中。
2
Place on a prepared tray, brush the tops lightly with egg. Bake for 20 minutes or until golden and crisp. Transfer them onto a wire rack to cool.
放在铺好烤纸的烤盘上，刷上蛋液入预热烤箱。烘焙20分钟或是直到金黄酥松，放到架上晾凉。
3
The thesis adopted the high efficiency wave tray to reconstruct the tradition tray of urea synthesis column, which has strengthened heat and mass transfer.