二酸
- 与 二酸 相关的网络例句 [注:此内容来源于网络,仅供参考]
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This dissertation divides into seven chapters and the main contents and conclusions are listed as following:1. Three series binuclear lanthanide carboxylate coordination polymers 1~7 have been synthesized under hydrothermal conditions by altering the length of carbon chains between carboxyl group and phenyl ring on ligands, which are isophthalic acid, 1,3-phenylenediacetic acid and 1,3-phenoxydiacetic acid, and lanthanide ions such as Pr~(3+), Eu~(3+)and Ho~(3+).
论文共分七章,主要研究内容和结论如下:1、通过改变间苯二甲酸配体的羧基和苯环之间的碳链长度,从间苯二甲酸、间苯二乙酸到间苯二氧乙酸,以及改变稀土离子半径Pr~(3+、Eu~(3+)和Ho~(3+)出发,在水热条件下制备了三个系列双核金属单元的稀土羧酸二维配位聚合物1~7。
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In the paper the deterrent content and the concentration of diphenylamine dibuty l phthalate and centralite Ⅱ in finished product manufactured by two different methods were analyzed by high performance liquid chromatography, which can provi dereference for adjusting the technology of the propellant manufacture.
文摘:利用高效液相色谱仪分别测定了发射药在两种制备工艺中的钝感剂邻苯二甲酸二丁酯和二号中定剂的含量及邻苯二甲酸二丁酸在其中的浓度梯度分布,为调整发射药制备工艺提供了参考。
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The process is carried out by taking organic acid and sulfoxide chloride as raw materials, acyl chloride synthesizing, reacting ethylenediamine with sodium chloroacetate to synthesize intermediate sodium EDDA, and reacting it with acyl chloride to synthesize the final product.
所述双子烷基羧酸盐表面活性剂是由以下方法制得的,以有机酸和氯化亚砜为原料首先进行酰氯的合成,再用乙二胺与氯乙酸钠反应合成中间体乙二胺二乙酸钠,将中间体乙二胺二乙酸钠与酰氯反应合成终产物。
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These methanols were treated with BF3 in CH2Cl2 to generate the diferrocenylmethyl carbocations. Without separation from the reaction mixture, the ions were treated with some amines RNH2 [R=C2H5, n-C3H7, n-C4H9, HOCH2CH2, HOCH(CH3)CH2, HOCH2CH(C2H5)] to afford the ferrocenylamines in high yields. The present methodology for preparing α-ferrocenylamines from α-ferrocenyl alcohols enjoys such advantages as simple procedure and inexpensive starting materials.
它们对酸的敏感性很高,与BF3在二氯甲烷中作用可形成稳定的二茂铁基甲基碳正离子,无需从溶液中分离出来,便可与胺RNH2[R=C2H5,n-C3H7,n-C4H9,HOCH2CH2,HOCH(CH3)CH2,HOCH2CH(C2H5)]作用得到产率颇高的二茂铁基胺,这种由α-二茂铁基醇制备α-二茂铁基胺的方法具有简单、快速和原料廉价的特点。
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And then methanesufonic acid which is colorless and oderless is obtained by the hydrolysis of methane sulfonyl chloride at 70~90℃.
以硫、硫化钠、硫酸二甲酯为起始原料制备了二甲基二硫,然后用氯气氧化二甲基二硫得甲烷磺酰氯,经水解合成了甲烷磺酸,产品无色无味。
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A novel liquid crystalline compound named p-phenylenediamine di 4-[2- benzamide] was synthesized from allyl 2-hydroxyethylether, ethyl 4-hydroxybenzoate and p-phenylenediamine.
以乙二醇单烯丙基醚、对羟基苯甲酸乙酯、对苯二胺为原料合成了末端为不饱和双键的芳香聚酰胺溶致型液晶化合物——二对烯丙氧基乙氧基苯甲酰对苯二胺,最佳合成的摩尔比为∶羧酸∶对苯二胺∶吡啶=2。
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In the fifth chapter, six compounds formed between nitrogen-containing ligands such as 2, 2'-bipyridyl, isonicotinamide and 1, 4, 8, 11-tetraazacyclotetradecane and the solution cadmium sulfonates such as 1, 5-naphthalenedisulfonate, 2, 6-naphthalenedisulfonate, 4, 4'-bipenyldisulfonate and 4, 4'-penyletherdisulfonate have been synthesized and structurally characterized. Besides, another compound has been synthesized with cadmium carbonate reacting with 1, 5-naphthalenedisulfonate acid.
第五章以2,2'-联吡啶、异烟酰胺和1,4,8,11-四氮杂环十四癸烷与含有Cd〓和1,5-萘二磺酸根离子、2,6-萘二磺酸根离子、4,4'-联苯二磺酸根离子和4,4'-苯醚二磺酸根离子的水溶液反应,合成了六个化合物,另外以1,5-萘二磺酸与碳酸镉反应合成出一个化合物。
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Inthis papor,we synthesize and symbolize three sulphide bicarboxylate ligands such as 2.5-bis-1.3,4-thiadiazole;2,2 -(o-phenylenedimethylenethio) diacetic acid(L11); 2,2 -(m-phenylenedimethylenethio) diacetic acid.
本文合成和表征了2,2′-(1,3,4-噻二唑-2,5-二硫基)二乙酸、2,2′-邻苯二甲硫基二乙酸和2,2′-间苯二甲硫基二乙酸三个含硫二元羧酸配体。
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The formation of charge transfer complex was studied in the first part. The second part includes the synthesis and characterization of the acrylated unsaturated polyester and the kinetic studies on the Ar-UPE/ triethylene divinyl ether (DVE-3) photocuring system, the rheology and properties of film after photocuring. The third part includes the synthesis and characterization of the urethane modified unsaturated polyester and the kinetic studies on the PU-UPE/DVE-3 photocuring system, the rheology and properties of film after photocuring. The fourth part includes the synthesis and characterization of the vinyl ether end capped polyurethane and the kinetic studies on the VE-PU/DVE3 photocuring system, the rheology and properties of film after photocuring.
整个研究工作分为四个部分:一是电荷转移复合物的研究;二是丙烯酰氧基化不饱和聚酯的合成,表征,Ar-UPE/二缩乙二醇二乙烯基醚(DVE-3)体系光固化动力学研究以及Ar-UPE/DVE-3体系流变性能和光固化后涂膜综合性能的研究;三是氨酯改性的不饱和聚酯的合成,表征,PU-UPE/DVE-3体系光固化动力学研究以及该体系光固化后涂膜综合性能的研究;四是乙烯基醚封端的聚氨酯的合成,表征,VE-PU/马来酸二甲酯体系光固化动力学研究以及VE-PU/DMA体系流变性能和光固化后涂膜综合性能的研究。
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The carboxylic acid and its ester may have straight chain or branched chain, and the catalyst is solid in the carrier of zirconia in precipitation process sol or marketable product.
其中,羧酸及其酯为C 2-20 羧酸及其酯,可以是直链或支链,催化剂是以固体的形式加入,载体二氧化锆是以沉淀法制备的凝胶,也可以直接用市场上购买的二氧化锆。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。