The objective molecule was determined through testing the compound with elementary analysis, IR spectrum and ultra-violet absorption spectrometry in DMF.
通过对化合物的元素分析、红外光谱以及在DMF中紫外吸收光谱的测定，确定了目标分子。
After several hours the ampule contents were dissolved in DMF, precipitated into acetone and dried in vacuo.
经过几个小时的安瓿内容被解散在DMF，沉淀成丙酮和干果在真空中。
So benzene and DMF from the some solvents separate crude anthracene.
因此，从这些溶剂中选出苯和DMF来进行分离粗葱。
Exhaust air or inert gas containing the DMF is continuously sent to a recovery system where the solvent is recovered by condensation or absorption.
排出的含有二甲基甲酰胺溶剂的空气或惰性气体被连续送到回收系统，通过冷却或吸收的方式被回收。 收藏。
Then digital matched filter (DMF), which is used to synchronize spread spectrum code, especially the multi-rate sampling in DMF is studied.
然后探讨了用于扩频码同步的数字匹配滤波器（DMF），着重分析了DMF的多倍码速率采样问题；
Using phenol and benzyl chloride as raw materials and n, N-dimethyl formamide (DMF) as solvent, benzyl phenyl ether was synthesized under microwave radiation.
采用微波辐射技术，以苯酚、氢氧化钾和氯化苄为原料，N, N -二甲基甲酰胺为溶剂合成了苄苯醚。
The effects of the rate of DMF/MEK and the temperature of condensing bath on the properties of PU films are studied.
通过调整溶剂的配比和凝固浴温度，研究了溶剂比例和凝固浴温度对成膜性能的影响。
The atomization spray technology was used for transformation of leaching tower of DMF recycle in PAN dry spinning.
采用雾化喷淋技术对干法腈纶生产中回收二甲基甲酰胺(DMF)的填料式淋洗塔进行了改造。
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DM F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。
And the absorption performances of DMF, butanone and toluene in water and DBP and the absorption performances of butanone and toluene in DMF were measured as well.
同时分别测定了采用水和DBP吸收d MF、丁酮和甲苯的吸收效果以及采用DMF吸收丁酮和甲苯的吸收效果。
The experimental results showed that DMF with salt had higher relative volatility of C4 and was better than DMF for separating C4.
实验结果表明，加盐DMF分离能力强于溶剂DMF，C4在同温同压下的相对挥发度比DMF中的大。
Because of the high energy consumption for recovery of DMF, Multi-effect distillation processes including two-tower, three - tower and four-tower were proposed.
针对传统的DMF回收工艺的高能耗，本文提出多效精馏回收d MF的双塔、三塔和四塔工艺流程。
Theoretical and experimental basis of choosing solvent for refining anthracene is discussed and the method of improving anthracene yield by solvent DMF and solvent a is studied in this paper.
本文论述了精蒽提纯溶剂选择的理论根据和试验依据，研究了以DMF及溶剂A为溶剂提高精蒽收率的方法。
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.
本文研究了以0.5M溴化钠为支持电解质、N, N—二甲基甲酰胺(DMF)为溶剂的体系中电解法合成二茂铁的主要条件。
Polyvinylidene fluoride (PVDF) membrane was made by n, N-dimethylformamide (DMF) as the solvent and fluoride resin as the hydrophobic agent.
采用N, N -二甲基甲酰胺(DMF)为溶剂，以氟树脂为疏水助剂，制备聚偏氟乙烯(pvdf)膜。
The yield of DMF can reach 78.6% under the optimal reaction conditions.
试验证明，在最优条件下，富马酸二甲酯的产率可达到78．6%。
Objective To assess induction of quinone reductase (QR) and glutathions transferases (GSTs) by dimethyl fumarate (DMF) in major viscera of rats.
目的探讨延胡索酸二甲酯(DMF)对大鼠主要脏器醌还原酶和谷胱甘肽s转移酶的诱导作用和意义。
A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.
建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。
The surface structural properties of DMF pretreated PET fabric treated by corona discharge are studied through XPS, ATR - FTIR.
利用XPS、ATR-FTIR等手段来研究DMF预溶胀涤纶经电晕放电处理后的表面结构性能。
Dimethylformamide(DMF)is widely used in leather industry, polyacrylonitrile fibre spinning and butadiene extraction craft as an important organic solvent.
二甲基甲酰胺（DMF）是一种重要的有机溶剂，被广泛应用于合成革生产、聚丙烯腈抽丝、丁二烯抽提等工艺中。
The extraction results showed that among the solvents, n, N-dimethylformamide (DMF) was better than dimethyl sulfoxide, ethyl cyanide and methanol.
试验发现，溶剂n, N-二甲基甲酰胺(DMF)的萃取效果优于二甲亚砜、乙腈及甲醇。
A new scheme about the revamping of DMF solvent recovery system is provided.
提出了DM F溶剂回收过程的工艺流程改造方案。
In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were measured.
论文测定了D MF、丁酮和甲苯在DBP中的亨利系数。
In DMF tetraethyl ammonium bromide(TEAB) media, the reduction of irisquinone was two successive single electron processes without the chemical reaction of the free radical semiquinone.
在DMF-四乙基溴化铵（TEAB）质子惰性介质中，马蔺子素连续两步单电子还原生成相应氢醌阴离子，无中间体半醌自由基的化学反应发生。
In order to investigate the action mechanism, the effects of inorganic cations on fluidity of PAN-DMF solution system was studied.
为了探讨作用机理，研究了无机阳离子对PAN—D MF溶液体系流态特性的影响。
Objective to investigate the reproductive endocrine effects on male workers exposed to n, N-dimethylformamide (DMF).
目的研究二甲基甲酰胺(DMF)对男工生殖内分泌机能影响。
Employing the formulated transfer function of the structure with the MTD-MTMD, the dynamic magnification factor (DMF) of the structure with the MTD-MTMD is defined.
利用建立的设置MTDMTMD时结构的传递函数，定义了设置MTD MTMD时结构的动力放大系数(DMF)。
The criterion used to assess the ATMD stroke is the maximum DMF of the ATMD.
ATMD冲程的评价准则定义为：atmd的最大动力放大系数。
The criterion used to assess the ATMD stroke is the maximum DMF of the ATMD.
ATMD冲程的评价准则定义为：atmd的最大动力放大系数。
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