SPECTA

常见例句

Mass specta of N-Benzylidene-1-methoxy-1-propylamine have been discussed,Logical loss of molecular ion was deduced. ?
讨论了1－甲氧基－N－（芳甲叉基）－1－丙胺类化合物的质谱，分析了主要碎片离子的产生过程，推测了该类化合物的裂分规律。
The 10-hydroxylated aza-solamin was first synthesized successfully,and its structure was confirmed by IR,()~1H-NMR and MS specta.
该化合物未见文献报道,其结构经IR1、H-NMR及MS确证。
Our Dowell Optical Industrial Co., Ltd is a cooperative company of optical enterprise. Our company mainly product specta... ...
蔽司厦门杜维眼镜工业有限公司系眼镜企业的协力厂;专业生产眼...
visible/near-infrared diffuse reflectance specta
可见／近红外漫反射光谱
Keywords Azacrown complexes;Preparation;Infrared specta;
氮杂冠醚配合物;制备;红外光谱;
Keywords litchi pericarp;polysaccharide;GC;infrared specta;composition;
荔枝壳;多糖;气相色谱;红外光谱;组成;