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- METHODS: Sesquiterpene lactones were separated by the silica gel column and layer preparation, and the active substances were determined by HPLC. 方法:以硅胶柱层析结合薄层制备的方法,分离白术内酯等对照品,以HPLC法测定白术中活性成分的含量。
- The structure of the catalyst coated membrane(CCM) was introduced briefly and the preparation methods of CCM were classified into two modes:with or without carrier CCM activator layer preparation. 在简述CCM结构的基础上,根据CCM制备过程中使用的催化剂有、无载体,将CCM制备工艺分为两类模式:无载体催化剂层CCM的制备和载体催化剂层CCM的制备。
- I put it on right before bed and in the morning I rub my lips with a soft wet washcloth to rub away the product and dry layers of skin. 我在上床睡觉前用,早晨起来后我用湿的软毛巾拭去唇部干皮,发现嘴唇瞬间变得非常柔嫩清爽。
- The catalyst, from a metal wall and catalytic layer prepared by anodic oxidation, hydration and impregnation of the catalytic composition, was investigated for the treatment of automobile tail gas. 开发了用于汽车尾气净化的金属壁与催化层一体化催化剂。
- I dry my hands and face with the towel. 我用毛巾擦干了双手和面部。
- The old well was bricked up when it ran dry. 旧井干枯以后被人用砖堵上了。
- The road is only negotiable in the dry season. 这条道只有在旱季才能通行。
- Ida was choking with the dry air. 空气干燥,艾达感到喘不过气来。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The wet clothes will soon dry in the sun. 湿衣服在太阳下很快就会干的。
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- I had kept my matches dry and soon struck a light. 我没让我的火柴受潮,我一擦就擦着了。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- The clothes will soon dry up in the wind. 这衣服经风一吹很快就会干的。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The doctor asked the drinker to dry out. 医生要那个酒徒戒掉酒瘾。
- Your clothes will take ages to dry out. 你的衣服要很长时间才能乾透。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- Some parts of Wales are dry on Sundays. 威尔士的一些地区星期日禁酒。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries