查询词典 imide
- 与 imide 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In the case of FTIR,-- OH absorption peak at 930-970cm^-1 and 1480cm^-1 are weakened, and C-N absorption peak of imide is enhanced.
在红外吸收图谱中,930~970cm^-1处和1480cm^-1处的-OH吸收峰减弱,在1220cm^-1处的酰胺C—N吸收峰增强,1700cm^-1左右的〉C=O吸收峰略向低频偏移且低频子峰增大;在2240cm。
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Totally two formulas are designed,one using four compositions and the other including five,while butadiene imide emulsifier is applied by both of the formulas.
该系列乳化炸药包括SEM-4型四组分和SEM-5五组分两种产品,二者均采用一种以丁二酰亚胺为主要成分的高分子复合乳化剂。
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During the reaction, the hydroxyl firstly attacked the carbon atom of imide and finally formed an anion with hydroxyl linked to C=C by a transition state. The calculation results reveal that the initiated reaction belongs to anion polymerization.
发现在反应过程中氢氧根先进攻酰亚胺的碳,经过一过渡态最终生成氢氧根连接在碳碳双键上的阴离子,证明反应机理为阴离子聚合。
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The synthesis process comprises using chiral phosphorus acid as catalysis, synthesizing 2-(4, 7-indoline) compound in high efficiency and highly enantioselective by using sulfur imide and 4, 7-indoline compound, and products can be used to prepare several 2-dimethylamino indoline compounds with high optical activity through oxidation reaction.
以手性磷酸作为催化剂,由磺酰亚胺和4,7-二氢吲哚化合物可以高效率高对映选择性的合成2-甲氨基(4,7-二氢吲哚)化合物;产物可以经过氧化反应用于制备多种高光学活性的2-甲氨基吲哚化合化合物。
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Difluorodiphenylsulfone and 4, 4"-difluorodiphenylketone are sulfonated by 50 % sulfuric acid. A new biphenol monomer containing six-membered ring imide is synthesized by reaction of 1, 4, 5, 8-naphthelenetetracarboxylic acid dianhydride with 3-aminophenol or 4-aminophenol sodium.
以50%发烟硫酸为磺化试剂,以4,4′-二氟二苯砜和4,4′-二氟二苯酮为原料反应得到双磺化的4,4′-二氟-3,3′-二磺酸钠-1,1′-二苯砜和4,4′-二氟-3,3′-二磺酸钠-1,1′-二苯酮。
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The bioluminescence inhibition of N-hexylpyridinium b is imide and dichlorvos to Vibrio-qinghaiensis sp.-Q67 was determined by the microplate toxicity analysis.
应用微板毒性分析法,首先测定了离子液体N-己基吡啶双酰亚胺与敌敌畏对青海弧菌Vibrio-qinghaiensis sp。
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Market sales of goods is actually soluble saccharin of the sodium o-benzoyl imide salt, Shaodai colorless crystal or white crystalline powder, odorless or slight odor, known saccharin sodium.
商品市场销售实际上是可溶性糖精的钠邻苯甲酰磺酰亚胺盐,Shaodai无色结晶或白色结晶性粉末,无臭或稍有气味,已知的糖精钠。
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We described that the nitro group is a stronger electron withdrawing and meta activating characters than the imide group, the amino and hydroxy are both electron donating groups and had ortho, para activating characters. The methyl group might have a steric hindrance effect in this reaction. Our results indicated that methyl group at the ortho position of the amino group on the benzene ring, the steric hindrance effect became stronger.
另一方面,由产率上的结果来看,可以得知硝基为强力的拉电子基团,会减少邻位和对位胺基的电子密度比间位多;而氢氧基与胺基是供电子基团,会增加邻位和对位胺基的电子密度比间位多;甲基取代对反应则只有立体障碍的影响,而且与反应的氨基成邻位存在下影响最大。
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The catalytic system composed of NHPI and transition metal ion can catalyze effectively ethane into acetic acid,cyclane into dicarboxylic acid,toluene into benzoic acid,alkene into epoxide,alkyne into acetylenic ketone,and amide into imide;NHPI used alone can catalyze adamantane to be carbonylated,hydrogen peroxide prepared by oxidization alcohol;NHPI combined with as...
NHPI与过渡金属离子组成的催化体系能高效地催化乙烷氧化为乙酸、环烷烃氧化为二元羧酸、甲苯氧化为苯甲酸、烯烃氧化为环氧化物、炔烃氧化为炔酮、酰胺氧化为酰亚胺;NHPI单独使用能催化金刚烷发生氧化羰基化反应、催化氧化醇制取过氧化氢;NHPI与有机助催化剂如偶氮二异丁腈、溴化季铵盐、蒽醌和醇等也能催化分子氧氧化反应。
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Most of fluorenyl cardo poly(ester-imide)s exhibited excellent solubility in common organic solvents such as 1,2-dichlorobenzene,CHCl_3,THF,DMAC,DMSO,NMP etc.
大部分聚酯酰亚胺在有机溶剂,如邻二氯苯,DMAc,THF,CHCl_3,DMSO及NMP中均有非常好的溶解性。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。