释义 |
specta 基本例句 =structure-preserved error-correcting tree automata 结构保持误差校正树状自动机¹⁰⁰ Massspectaof 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 MSspecta.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 productspecta… …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 reflectancespecta可见/近红外漫反射光谱 Keywords Azacrown complexes;Preparation;Infraredspecta;氮杂冠醚配合物;制备;红外光谱; Keywords litchi pericarp;polysaccharide;GC;infraredspecta;composition;荔枝壳;多糖;气相色谱;红外光谱;组成; |