• 研究工作场所环境空气二甲基甲酰胺十一混合物次吸附、次分离定量分析方法

    Objective To study the analysis method of samples including a combination of dimethylformamide, undecane and butanone in the air of workshop.

    www.dictall.com

  • 理化性质白色结晶性粉末溶于二甲基甲酰胺溶于乙醇丙酮

    Characters: White crystalline powder, soluble in water, dilute alcohol, liquid ammonia and dimethylformamide, and not soluble in ethanol, ether and acetone.

    product.ch.gongchang.com

  • 采用微波辐射技术,以苯酚、氢氧化钾氯化原料N,N -二甲基甲酰胺溶剂合成了

    Using phenol and benzyl chloride as raw materials and n, N-dimethyl formamide (DMF) as solvent, benzyl phenyl ether was synthesized under microwave radiation.

    www.dictall.com

  • 采用N,N -二甲基甲酰胺(DMF)溶剂树脂疏水助剂,制备聚偏乙烯(pvdf)

    Polyvinylidene fluoride (PVDF) membrane was made by n, N-dimethylformamide (DMF) as the solvent and fluoride resin as the hydrophobic agent.

    www.dictall.com

  • n,N -二甲基甲酰胺溶剂合成单硬脂酸甘油酯

    Glycerin monostearate was prepared by using n, N-dimethylformamide (DMF) as solvent.

    dict.cnki.net

  • 二甲基甲酰胺一种优良有机溶剂重要化工原料石油油漆染料皮革医药领域有着广泛应用

    DMF is a good organic solvent and an important raw material for chemical synthesis, extensive application in petroleum, paints, dyestuff, leather and pharmaceutical products.

    thcl.com.cn

  • 讨论以草酸乙酯为原料,经过克莱森缩合环合氨解反应合成5甲基异唑3甲酰胺工艺改进

    This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.

    dict.cnki.net

  • 这一过程中N-二甲基酰胺其副产物

    During the process, N- dimethyl methanamide is coproduct.

    dict.cnki.net

  • 主营产品二甲基甲酰胺珠三角具有价格绝对优势

    Main Products dimethylformamide in the Pearl River Delta has the absolute advantage of prices.

    danci.911cha.com

  • 本文研究0.5M化钠支持电解质N,N二甲基甲酰胺(DMF)溶剂体系中电解法合成主要条件

    In the paper primary conditions of electrolytical synthesis of ferrocene were studies in this system, 0.5m NaBr used as supporting electrolyte, N. N-dimethylformamide (DMF) as solvent.

    dict.cnki.net

  • 然后利用相似相原理选择了种有机溶剂进行剥离实验:丙酮二甲二甲基甲酰胺乙酸

    Then, chose acetone, ethyl acetate, xylene and dimethylformamide according to solubility parameter close principle as solvents to dissolve coating finishing agents.

    dict.cnki.net

  • 试验发现溶剂n,N -二甲基甲酰胺(DMF)萃取效果优于二甲亚砜

    The extraction results showed that among the solvents, n, N-dimethylformamide (DMF) was better than dimethyl sulfoxide, ethyl cyanide and methanol.

    dict.cnki.net

  • 目的研究二甲基甲酰胺(DMF)生殖内分泌机能影响

    Objective to investigate the reproductive endocrine effects on male workers exposed to n, N-dimethylformamide (DMF).

    dict.cnki.net

  • 甲基酰胺装置对裂解原料C_5含量严格要求

    The content of C_5 was strictly limited in butadiene extraction unit using dimethylformamide (DMF) process.

    dict.cnki.net

  • 介绍了石油化工领域采用几种优良剂,包括N-吗啉、甲基甲酰胺

    Several kinds of novel extraction solvents were presented which mainly included N - formylmorpholine, dimethyl formamide, etc.

    www.chemyq.com

  • 排出含有甲基甲酰胺溶剂空气惰性气体连续送到回收系统通过冷却吸收方式回收。 收藏。

    Exhaust air or inert gas containing the DMF is continuously sent to a recovery system where the solvent is recovered by condensation or absorption.

    dict.hjenglish.com

  • 介绍了一种采用二甲代替石灰反应生产氯仿同时联产NN-二甲基酰胺工艺

    In this paper, a new chloroform production process by reaction of chlorinated oil with dimethyl amine instead of lime is introduced, in which N, N- dimethyl methanamide is coproduct.

    d.wanfangdata.com.cn

  • 采用雾化喷淋技术干法腈纶生产回收二甲基甲酰胺(DMF)填料式淋洗进行改造

    The atomization spray technology was used for transformation of leaching tower of DMF recycle in PAN dry spinning.

    www.dictall.com

  • 二甲基甲酰胺DMF一种重要有机溶剂被广泛应用合成革生产、聚丙烯腈抽丝、提等工艺中。

    Dimethylformamide(DMF)is widely used in leather industry, polyacrylonitrile fibre spinning and butadiene extraction craft as an important organic solvent.

    dict.cnki.net

  • 本文研究过氧化二甲基甲酰胺中的热分解反应,测定了不同温度下分解速率常数表现活化能

    The thermal decomposition of hydrogen peroxide in DMF and the polymerization of acrylonitrile initiated by hydrogen peroxide were studied.

    dict.cnki.net

  • 本文研究过氧化二甲基甲酰胺中的热分解反应,测定了不同温度下分解速率常数表现活化能

    The thermal decomposition of hydrogen peroxide in DMF and the polymerization of acrylonitrile initiated by hydrogen peroxide were studied.

    dict.cnki.net

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