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- A new quantitative approach, chemiluminescence method and appropriative apparatus, to determination of paper chromatographic spot were presented in this paper. 纸色谱法具有操作简单、分离效能较高、所需仪器设备廉价、应用广泛等特点,是进行氨基酸混合物分离分析的常用方法。
- Results The chromatographic spots were distinct with good reappearance. 结果薄层色谱斑点清晰,专属性强,阴性对照无干扰。
- Results:The chromatographic spots of the two ingredients were distinct,and the content of tetrahydropalmatine determined by HPLC in three lots of products was stable. 结果:丹参和蒲黄薄层色谱斑点清晰,3批成品中延胡索乙素含量稳定。
- I'm afraid we are in for a spot of trouble. 恐怕我们是一定要遇到麻烦了。
- He is hit by a falling tree and killed on the spot. 一棵树倒下来，把他当场砸死了。
- I've always had a real soft spot for him. 我一向对他挺有好感。
- The second part is the high spot of this book. 第二部分是这本书的最精彩部分。
- His activities in London center around this spot. 他在伦敦的活动以这个地点为中心。
- Luckily there was a doctor on the spot. 幸运的是现场有一位医生。
- This cross marks the spot where she died. 这个十字符号标明她死去的地点。
- Can you spot the flaw in their argument? 你能指出他们论点中的谬误吗?
- I'm in a bit of a spot financially. 我经济上有点困难。
- A pyramid of stones marked the spot. 那地点用一堆堆成金字塔形状的石头作了标记。
- Accident black spot ahead! Drive with care! 前面是经常出事的路段！行车当心！
- Drive with Care! Accident Black Spot! 谨慎驾驶员！交通事故多发地段！
- Mother's apple pie always hits the spot with boys. 母亲做的苹果馅饼总是能给孩子们解馋。
- Thanks for the candy bar. it really hit the spot! 谢谢你的这块糖，特合我的口味。
- If the ink sinks in, it'll be hard to remove the spot from the cloth. 如果墨水渗入布料，就很难把污迹洗去。
- He aimed at the black spot and missed(it). 他瞄准黑点，但没打中。
- He is in a spot because he'd lost his car key. 他有了麻烦，因为他把汽车钥匙丢了。
