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1·The fourth is cyclic compounds (naphthalene).

第四为稠环化合物（萘）；

2·In fact, camphor and naphthalene balls are different in nature.

事实上，樟脑和臭丸在性质上是不同的。

3·So here I would like to talk about camphor and naphthalene ball.

所以在这里，我想谈论一下樟脑和臭丸。

4·Naphthalene is an important raw material for the chemical industry.

精萘是最重要的有机化工原料。

5·Phthalic anhydride residue is the by product from oxidation of naphthalene oro xylene.

苯酐渣系萘氧化或邻二甲苯氧化的副产物。

6·The thermal characteristics of the Naphthalene heat pipe were studied with experimental method.

应用实验的方法，研究了萘热管的热工特性。

7·The research and development of some hot point products derived from naphthalene are introduced.

介绍了近年来一些热点萘系深加工产品的研究、开发及生产。

8·The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.

用红外光谱法测定了防蛀剂中对二氯苯和萘的含量。

9·Still, it was an intriguing case and diagnosis (and it's true that some termites do secrete naphthalene).

不过这次的诊断还算有趣。

10·Study on Synthesis, Structure and Reaction ofa New Compound 2, 3 - Methylene - 5, 8 - Dimethoxy Naphthalene.

新化合物2,3—亚甲基—5,8—二甲氧基萘的合成、结构及反应的研究。

(1)refined naphthalene精制萘