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- There are several kinds of chemical and (biological) synthesis methods for preparation of farnesol, besides direct separation from natural material. 金合欢醇存在于某些植物的花、叶子和种子的精油中,可应用于调香、抗菌、杀虫和制药等领域。
- Tetrachlorophthalic anhydride was synthesized with phthalic anhydride as raw material, compounded iodine as catalyst by direct separation of crystal from solvent on the basis of solvent method. 在溶剂法基础上,以苯酐为原料,复合碘作催化剂,产品直接结晶分离的方法合成四氯邻苯二甲酸酐。
- Displacement chromatography is a kind of non-linear chromatography technology, which is fit to be used for preparative separation as well as direct separation of dilute biologic or trace sample. 置换色谱是一种非线性色谱技术,既适合于制备分离又能用于较稀的生物样品或痕量组分的直接分离。
- side to side directivity separation of antenna 天线侧向防卫度
- back-to-back directivity separation of antenna 天线背向防卫度
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- He has chosen the most direct route. 他选取了最直的路线。
- She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
- Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
- Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗？
- See that direct heat does not play on it. 当心别让它直接受热。
- It's a long way by road the train is more direct. 走公路很远--乘火车近。
- Would you please direct me to the zoo? 请问去动物园怎么走?
- My eyes were blinded by the direct rays of light. 在光线的直射下，我看不清楚东西。
- Her opinions are the direct opposite of mine. 她的意见与我的截然相反。
- She is in direct contact with the general manager. 她与总经理直接联系。
- I'm in direct contact with the hijackers. 机者保持著直接的联系。
- The army is under the king's direct command. 军队由国王直接统率。
- Give me a direct answer, and stop evade the issue. 给我一个直截了当的回答，不要回避这一问题。
