... (三)环己烷的构象 环己烷的椅式构象(Chair form) 五、环烷烃的构象 (三)环己烷的构象 180 pm 环己烷的船式构象(Boat form) 五、环烷烃的构象 (三)环己烷的构象 优势构象 五、环烷烃的构象 (三)环己烷的构象 优势构象 五、环烷烃的构象 (四)环己烷...
基于32个网页-相关网页
前面几楼有人提起过, 如果待测物有两个手性中心(chiral center), 一个呈椅型(chair form), 一个呈船型(boat form), 当两端的基团越长, 越有可能在C18等长链取代的色谱柱上达到分离, 因为两个待测物与色谱柱间的作用力或出现差异 2.
基于28个网页-相关网页
twist boat form 扭船式
bare boat form charter 光船租船合同形式裸船租船契约
twist-boat form 扭曲船式
Advanced Form Boat 先进构型快艇
One is the trap, will viscous viscose good, not easy to dry viscose coated in the cardboard or plastic board, a boat form, triangle, etc, its use and then, but higher degrees.
一种是粘胶诱捕器,将粘性好、不易干的粘胶涂在硬纸板或塑料板上,有船形、三角形等,其使用利便,但用度较高。
After forty days without a fish, the boy's parents had told him that the old man was now salao, which is the worst form of unlucky, and the boy had gone with another boat which caught three good fish the first week.
四十天没钓到一条鱼,男孩的父母告诉他,老人现在是“撒劳”了,这是最倒霉的倒霉事。于是男孩和另一条船一起去了,这条船在第一个星期就钓到了三条好鱼。
The Transportation Tracking Form is used to track the movement by aircraft, vehicle, or boat of resources to, from, and within a disaster.
运输追踪表格被用于在灾难中追踪关于飞机、汽车或船只运送资源的行动。
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