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- interhalogen fluorination 卤间氟化
- Fluorin can avoid brown striation and whiten skins. 氟能消除褐色斑,使皮肤变白。
- Dalian Botai fluorin Materials Co.Ltd. 大连博泰氟材料有限公司。
- Fluorin element is one of 14 necessary trace elements in body. 氟是人体必需的14种微量元素之一。
- Modification of CoMo/TiO_2 Al_2O_3 Catalyst by Gas Phase Fluorination? CoMo/TiO_2-Al_2O_3催化剂的气相氟化改性
- A heavy-duty magnetic stirrer, such as Cole-Parmer model is needed during the fluorination. 在氟化过程中需要用一架大功率的电磁搅拌器。
- This paper discussed the forming rules and their reaction activities of interhalogen compounds, Explained their stabilities from the structure aspects. 本文论述了卤素互化物的生成规律,以及它的反应活性,并从结构上定性解释卤素互化物的稳定性。
- 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。
- The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules. 异氰酸酯可由含氯的环(或非环)状分子氟化而得。
- Low cost 3,4-difluoronitrobenzene 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。
- In this paper the main progress in synthesis methods of PFTHF such 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。
- 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。
- Through experiments the loss variation of several kinds of PMMA POF before and after surface fluorination is compared. 通过实验,比较几种光纤表面氟化前后损耗值的变化,发现表面氟化后光纤损耗明显降低。
- The feasibility to use surface fluorination technology in the formation of the cladding of PMMA POF is studied. 研究了利用表面氟化技术制作PMMA聚合物光纤包层的可行性。
- Side view stripe, head to head blowing, in-machine fluorination processes are an option. 还可选配液位线装置及上下对吹、在线氟化处理等加工工艺。
- 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。
- 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。
- The structures and properties of activated carbon fibers were studied at fluorination before and after. 研究了活性炭纤维在氟化前后的结构与性能的变化。
- The Free-removing Fluorin Cleaning Process for Extracting Phosphoric Acid Produced by Hydrochloric. 盐酸浸取磷矿制酸的无除氟清洁工艺。
- A kind of CrF 3 based catalyst for HHFC 134a preparation by reacting HFC 133a with AHF via vapor phase fluorination is reported. 报道了一种由HCFC 133a与AHF经气相催化氟化制备HFC 134a的CrF3 基催化剂。