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- Nmr and the periodic table 核磁共振和周期表
- This was the period between the Stone Age and the Iron Age. 此一时期介于石器时代与铁器时代之间。
- Developments of the Nuclear Magnetic Resonance( NMR) including the solid high solution NMR and the two dimensional NMR were introduced in this article. 介绍了核磁共振(MR)试技术进展,着重介绍固体高分辨核磁共振和二维核磁共振技术的进展及它们在高分子材料领域的主要应用举例。
- The structures of the target molecules and the key intermediates were confirmed by 1H NMR, 13C NMR and IR spectra in our experiments. 关键中间体及最终化合物的结构经核磁共振氢谱、碳谱及红外光谱确证。
- And the mid- size car have a lot more legroom. 而且中型车的腿部伸展空间较为宽敞。
- The chemical composition and the location of coke were investigated by using various analytical techniques such as XRD, IR, NMR and TGA, etc. 结合X射线衍射、红外光谱、核磁共振、热重分析等多种分析手段,分析了焦炭的化学组成及焦炭在催化剂上的沉积位置。
- The structures of extracted lappaconitine and the lappaconitine hydrobromide were characterized by IR, elemental analysis, 1H NMR, 13C NMR and MS. 并用红外光谱、元素分析、核磁谱和质谱等测试技术对刺乌头碱及其氢溴酸盐进行了表征。
- And the suspension bridge from hanging vines. 悬索桥受到了悬挂着的藤的启发。
- In addition, involved reactions were investiaged in this paper, and the structures of all compounds synthesized were charactered by IR, 1H NMR and MS. 此外，本论文对相关反应进行了研究，通过IR, 1H NMR和 MS对涉及的中间体和副产物进行了结构鉴定。
- The blizzard blotted out the sky and the land. 暴风雪铺天盖地而来。
- The structures of the intermediates and the target molecule is corroborated by 1H NMR and 13C NMR spectra in our experiments. 关键中间体及最终化合物的结构经核磁共振氢谱及碳谱得到确证。
- Somebody opened the door and the candle blew out. 有人打开了门，蜡烛随之被吹灭了。
- Please let me know the number of trainees and the period of training. 请您告诉我受训人员的人数和培训期限。
- The structures of the intermediates and the target molecule were confirmed by (superscript 1)H NMR and (superscript 13)C NMR spectra in our experiments. 关键中间体及最终化合物的结构经核磁共振氢谱及碳谱确证。
- He is liked by the classes and the masses. 上层社会的人士和普通的民从都喜欢他。
- John is English and the rest of us are Welsh. 我们当中，约翰是英格兰人，其余的都是威尔斯人。
- N-Methylpiperazine-2-hydroxylpropyl-amine in total yield of 34.3% was synthesized from phthaldiamide by a four-step reaction and the structure was confirmed by NMR and MS. 以邻苯二甲酰胺为原料;经4步反应合成了1-N-甲基哌嗪基-2-羟基丙胺;其结构经NMR和MS表征;总收率34.;3%25。
- Please let me know the number of trainee and the period of training. 请您告诉我受训人员的人数和培训期限。
- Just press the button and the machine will start. 只要一按电钮，机器就会开动。
- The brake failed and the car ran into a lamp-post. 刹车失灵了，汽车撞在灯柱上了。
