Perfluorotriethylamine is fabricated through electrochemical fluorination of triethylamine in anhydrous hydrogen fluoride under a certain condition.

Low cost 3, 4-difluoro nitrobenzene was prepared from 2, 4-dinitrochlorobenzene by two-step fluorination.

二硝基氯苯经二步氟化反应,制得低成本3, 4- 二氟硝基苯.

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Development of electrochemical partial fluorination were introduced. The factor: effecting the selectivity of fluorination were reviewed.

简介了电化学选择氟化方法的发展以及最新进展,并着重介绍了影响选择性的因素.

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The classification, synthesis and application of ionic liquids in fluorination were introduced in brief.

本文简要介绍了离子液体的分类 、 合成及其在氟化工艺中的应用.

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Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.

聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂.

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In this paper the main progress in synthesis methods of PFTHF as electrochemical fluorination are emphasized.

本文着重阐述了PFTHF的合成方法如电化学氟化法等的研究进展.

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There are two methods for synthesis of the fluoroporphyrins: direct and indirect fluorination.

含氟卟啉合成方法分为直接氟化法和间接氟化法.

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Surface fluorination, the new technics of POF cladding, was probed in this paper.

探索了PMMA聚合物光纤 包层的新工艺-表面氟化技术的可行性.

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Although all plants normally contain fluorine, the concentration varies greatly.

虽然在正常情况下,所有的植物都含氟, 其浓度变化很大.

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The source and control of fluorine in edible betel nut.

食用槟榔;氟;来源;控制;卫生标准.

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Contain fluorine toothpaste after all whether well or not?

到底含氟牙膏好不好?

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The structure of floating multicavity mold for fluorine rubber was stated.

叙述了浮动式氟橡胶油封多腔模的结构.

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It is a compound of aluminum, silica, and fluorine.

它是铝 、 硅和氟的化合物.

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The fluorine does not accumulate indefinitely in the water.

氟不会在水里无限制地积累.

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Fluorine carbon coating of our country is fast growing.

我国氟碳涂料的发展十分迅速.

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Tooth paste with fluorine can effectively guard against tooth decay.

含氟牙膏能有效防止蛀牙.

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The system, made by Linde, splits hydrogen fluoride into fluorine.

这个系统, 由林德集团制造, 能将氟化氢分解成氟气.

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A large proportion of the fluorine is vaporized during the concentration process.

在浓缩过程中大部份氟蒸出.

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Fluorosurfactants basically consist of chains of carbon atoms surrounded by fluorine.

含氟界面活性剂的基本结构是碳原子形成的长链,周围环绕许多氟原子.

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What effect does sanded star of left oxygen fluorine have?

左氧氟沙星有什么作用?

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Fluorite is common mineral assumed druses.

萤石是一种常见呈晶簇产出的矿物.

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