• The fourth is cyclic compounds (naphthalene).

    第四为稠化合物);

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

    事实上樟脑性质上不同的。

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

    所以在这里谈论一下樟脑丸。

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  • Naphthalene is an important raw material for the chemical industry.

    精萘重要有机化工原料

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

    系萘氧化或邻二甲苯氧化产物

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

    应用实验方法研究了萘热管热工特性

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  • 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研究开发生产。

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

    红外光谱法测定了防蛀剂中对二氯苯含量

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

    不过这次的诊断有趣

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

    化合物2,3—亚甲基5,8—二甲氧基合成结构反应研究

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  • It consists of alkyl aryl sulfonate and formaldehyde naphthalene sulfonate condensate synthesized chemically.

    是由化学合成烷基芳香族磺酸磺酸盐甲醛缩合物所组成。

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  • In heat transfer experiment, the calorie comparison theory and naphthalene sublimation technology are adopted.

    传热实验中采用比拟原理升华技术

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  • The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.

    讨论了烷基化、酰基化直接提取制备烷基工艺路线。

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  • Sodium din-butyl naphthalene sulfonate was prepared from n-butyl alcohol, naphthalene and fuming sulfuric acid.

    本文提供二正丁基磺酸二异基萘磺酸钠之制备方法。

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  • The effects of 1,2,4-trichlorobenzene and naphthalene on photosynthetic characteristics of rice leaves were studied.

    研究1,2,4-三氯苯对抽穗期水稻叶片光合特性影响

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  • These results indicated that degradative and transposable genes of the naphthalene-degrading bacteria are highly conserved.

    这些结果表明萘降解细菌降解基因转座基因具有高度的保守性。

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  • The derivates of naphthalene, fluorene, pyrene, anthracene, acenaphthene and their application in biotechnology were reviewed.

    对应用于生物工程等稠环芳烃衍生物作了概括介绍。

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  • The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper.

    研究固体强酸催化剂制备条件催化剂性质齐聚反应影响

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  • Being aimed at solid liquid equilibria in the system naphthalene thianaphthene, Pure naphthalene whose purity is more than 99.

    针对萘-硫茚系统平衡,采用溶剂精馏可得到纯度>99。

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  • Compared with the photoreaction in distilled water, the ions in artificial seawater could enhance the photolysis of naphthalene.

    蒸馏水中的光反应相比人工海水中的离子有助于提高萘光解反应

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  • Therefore , using camphor is safer than using naphthalene balls . but of course , camphor is more expansive than naphthalene balls.

    因此使用樟脑使用更为安全价钱方面,樟脑比臭丸较贵。

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  • With the method of enrichment culture, a high efficient naphthalene-degrading strain, ND24, was isolated from petroleum wastewater.

    富集培养石油工业废水中分离高效降解萘ND24菌株

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  • Effects of the catalyst preparation and reaction conditions of oligomerization on naphthalene conversion were investigated in detail.

    详细考察催化剂制备条件反应条件对萘转化率影响。

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  • The suspensibility to seed clothing agent in compound system of naphthalene sulfonate condensate and nonionic surfactant was studied.

    研究了聚萘磺酸非离子表面活性剂体系种衣剂的悬浮性。

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  • The heat transfer experiments were made in the working of temperature range of the naphthalene heat pipe, at small inclination Angle.

    根据萘热管工作温度范围萘热管小倾角放置传热极限进行实验研究

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  • The process to prepare alkyl naphthalene by alkylation is the most ripe one, key technology of which is preparation of high efficient catalyst.

    烷基化制备烷基目前成熟工艺路线,其关键技术是高效催化剂制备

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  • Naphthalene sulfonates of purification product, has the air-entraining, super plasticizing, efficient decrease water and enhance etc. Function.

    磺酸盐提纯产品具有引气、塑化高效增强功能。

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  • In this paper, the synthesis methods and processes from naphthalene, methylnaphthalene, toluene and xylene as starting materials were introduced.

    本文全面的介绍了以、甲基萘、甲苯二甲苯原料合成甲基萘的工艺。

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  • In this paper, the synthesis methods and processes from naphthalene, methylnaphthalene, toluene and xylene as starting materials were introduced.

    本文全面的介绍了以、甲基萘、甲苯二甲苯原料合成甲基萘的工艺。

    youdao

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