DMF

Analysis of the content of methylamine in DMF-recovered tannery wastewater

合成革厂DMF回收后废水中甲胺类含量的分析

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But he warns that safety and environmental testing are needed before widespread use of DMF as a possible blending agent for transport fuels can be considered.

但是他警告说，在考虑广泛使用DMF作为一种可能的交通燃料添加剂之前，需要进行安全和环境试验。

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Results showed that sodium cyanate with 98.1% purity could be obtained in the medium of DMF, when the mole ratio of urea to anhydrous sodium carbonate was 2.5, the reaction temperature 120~ 140 ℃ and reaction time 8~ 10 h.

实验结果表明，在DMF反应介质中，当尿素与无水碳酸钠物质的量比为2.50，反应温度120~140℃，反应时间8~10h，可以制得纯度为98.1%的氰酸钠产物。

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Colour stability of coker gas oil has been improved by DMF extraction.

以二甲基亚砜为萃取溶剂,用溶剂萃取的方法提高焦化柴油的颜色安定性.

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However , the occurance of DMF are not parallel with the severity degree of PHD.

结论肺心病的呼衰 、 心衰与膈肌疲劳互为因果,但肺心病严重程度与膈肌疲劳不一定呈平行关系.

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Methods Reforming the Hodge method in synthetizing DMF.

参照hodge法并作,改良合成1-脱氧-1-吗啉果糖(DMF) 后做相关实验.

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The dispersibility and stability of them were good in ethanol and DMF.

这些样品在无水.乙醇及N，N-二甲基甲酰胺中有良好的分散性和稳定性。

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Solubility: Soluble in water, alcohol, ether, DMF, etc.

溶解性: 可溶于水 、 醇 、 醚 、 DMF等.

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The effects of the jet stretch ratio and draw ratios of three-stage drawing including air drawing, DMF bath drawing, hot water and boiling water drawing and dry-hot drawing on the properties of PAN fiber were studied in dry-jet wet spinning.

研究了干-喷湿纺聚丙烯腈（PAN）初生纤维的喷丝头拉伸比和三级拉伸（空气拉伸、DMF浴拉伸、热水和沸水拉伸、干热拉伸）工艺中各拉伸比对纤维性能的影响。

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Cu complex of the surfactant have water soluble ability and surface activity, can catalyze the air oxidation of benzyl alcohol or Benzoin not only in DMF solution but also in alkali water solution.

表面活性剂铜配合物具有较好的水溶性和表面活性，不但在DMF溶剂中有效催化苯甲醇、安息香的空气氧化反应，而且在稀碱溶液中形成的金属胶束也可催化氧化苯甲醇。

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In removing the time trend, season, long-term weather confounding factors such as the basis, the number of the pollution and DMF exposure response relation.

在去除时间长期趋势、季节、气象等混杂因素的基础上，研究DMF污染与发病人数的暴露反应关系。

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Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

制药废液中回收乙腈与DMF

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Methods From January 1995 to December 1998,56 patients were treated with DMF regimen and FAM regimen.

方法　1995年1月至1998年12月用DMF方 案(DDP、 MMC、 5Fu)与FAM方 案(5Fu、 ADM、MMC)治疗晚期胃癌56例.

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The process of DMF affected by many factors.

直接金属成形的工艺过程受到多种因素的影响.

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Our factory specializes in production and operation of organic chemical solvents: tetrahydrofuran. Pyridine. Chloride stupid. DMF.

本厂专业生产经营有机化工溶剂: 四氢呋喃. 吡啶. 氯化笨.

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Acrylate, DDBSA and DMF were used to react under a two stage.

丙烯酸盐, DDBSA和二甲基甲酰胺之间的反应常常分二个阶段.

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In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were measured.

论文测定了DMF 、 丁酮和甲苯在DBP中的亨利系数.

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They are insoluble in water, ethanol, methanol, acetone, chloroform and benzene, but, DMF and DMSO.

它们溶于N, N- 二甲基甲酰胺 、 N, N-二甲基乙酰胺和二甲基亚矾等溶剂,但不溶于水 、 乙醇 、 甲醇 、 丙酮 、 氯仿和苯.

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Study on Resource Recovery and Harmless Treatment of DMF Wastewater

DMF废水资源化无害化处理研究

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Objective To explore the biological exposure indices ( BEI ) of dimethylformamide ( DMF ) in China.

目的探讨我国二甲基甲酰胺 ( DMF ) 的生物接触限值 ( BEI ).

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Again, chloroform, methylene chloride, and to a lesser degree, DMF, are suitable solvents.

再次, 三氯甲烷, 甲叉二氯, 和稍微,DMF, 是适当的溶剂.

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May be converted directly to the thermodynamically stable products 3 in KF-DMF at room temperature.

2a，2b与KF在DMF中，室温反应可转化为热力学稳定的产物3a，3b。

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Objective To investigate correlation of pulmonary heart disease ( PHD) with the diaphragmatic muscle fatigue ( DMF).

目的探讨肺心病与膈肌疲劳的关系。

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The experiments show that not only the oxidation of BV is promoted, the reaction mechanism is also changed from a ECEC to a ECCECC process by the introduction of water into DMF.

实验中发现，在有机溶剂DMF中引入水不但促进了BV氧化反应的进行，而且还使BV的氧化反应由在DMF中的ECEC历程转变为ECCECC反应过程。

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Solubility: Insoluble in water, but soluble in dimethyl benzene, chloroben , DMF, dimethylphthalate and dibutyl phthalate.

溶解性: 不溶于水, 能溶于二甲苯 、 邻二氯苯、二甲基甲酰胺 、 邻苯二甲酸二甲酯和邻苯二甲酸二丁酯.

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Match and design of torsional stiffness of the DMF-CS torsional damper

DMF-CS型扭振减振器刚度匹配设计

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Objective To investigate correlation of pulmonary heart disease ( PHD ) with the diaphragmatic muscle fatigue ( DMF ) .

目的探讨 肺心病 与膈肌疲劳的关系.

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As a solvent widely used in tannery industry, N, N-dimethylformamide ( DMF) has a bad effect on the treatment of tannery wastewater due to its poor biodegradation ability.

N，N二甲基甲酰胺（DMF）是制革生产中一种常用溶剂，由于DMF具有一定的生物毒性，当DMF进入废水生物处理系统后，会严重影响生物处理效果。

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The dynamic magnification factor ( DMF ) of structures is derived.

导出了结构动力放大系统的计算公式.

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A phospho molybdic acid catalyst was investigated for the esterification of fumaric acid with methanol in this paper. The influences of raw material ratio, reaction time and amount of catalyst used on the yield of DMF were investigated.

研究了以磷钼酸为催化剂，富马酸和甲醇为原料合成富马酸二甲酯（DMF），探讨了酸醇量比、反应时间、催化剂用量等工艺参数对DMF收率的影响。

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