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Cong PZ. Application of Mass Spectra in Natural Organic Chemistry 质谱学在天然有机化学中的应用
I am not good at organic chemistry. 我的有机化学学得不好。
In college I specialize in organic chemistry. 在学院里我主修有机化学。
I specialize in organic chemistry. 我主修有机化学。
In collage I specialized in organic chemistry . 在学院里我主修有机化学。
In college I specialized in organic chemistry. 在学院里我主修有机化学。
Ester is one of the most important compounds in Organic Chemistry. 酯是有机化学中最主要的化合物之一。
On the“the first principle”of organic chemistry artificial synthesis of natural products was contrasted with the natural synthesis. 以有机合成“第一原理”出发对比了天然产物的人工合成与天然合成的差距。
I specialized in organic chemistry when I was at the university. 在大学时，我主修有机化学。
Seyhan N. Ege, Organic Chemistry,1984, D.C. Heath and Company. 徐寿昌，1993（第二版）：有机化学，北京：高等教育出版社。
Pearson P.Sykes A Guidebook to Mechanism in Organic Chemistry 6th ed. 有机化学机理导论第6版。
McGraw-Hill Williams Spectroscopic Methods in Organic Chemistry 5th ed. 有机化学中的光谱方法第5版。
Annual Reports on the Progress of Chemistry, Section B: Organic Chemistry. 化学进展年报,辑:有机化学。
Hangzhou Nature Organic Chemicals Co., Ltd. 杭州大自然有机化工实业有限公司。
Free radical halogenation in organic chemistry is a type of halogenation. 自由基卤化反应是有机化学中卤化反应的一种。
The Brief Analysis of Marketing : The natural organic food-stuff is needed abundantly and the market foreground is vastitude. 市场简要分析：天然有机食品，市场需求大，市场前景看好。
The application of the natural organic acid to the vesicant and thickener in the cosmetic industry is studied. 研究了天然果酸成分在化妆品生产上发泡和增稠体系中的应用.
Addition to carbonyls is one of the most important reactions in organic chemistry. 对羰基的加成作用是有机化学中最重要的反应之一。
Methods Three-dimensional determination for four natural organic compound samples by using single crystal X-ray diffraction. 方法应用单晶X射线衍射分析方法对4个天然有机化合物样品进行三维结构测定。