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Two steps were included in this reaction, first, sodium alkoxide was synthesized by th reaction between sodamide and cedrol, then cedrol methyl ether was synthesized by methylation reaction between sodium alkoxide and dimethyl sulfate.

反应分两步,首先氨基钠与柏木脑反应生成醇钠,然后醇钠与硫酸二甲酯进行甲基化反应生成甲基柏木醚。

Firstly, we studied the effects of synthetic temperatures on AgSbPb18Te20 samples in specific pressure. The XRD results indicate that AgSbPb18Te20 can be synthesized at more than and equal to 1120℃ and synthesized AgSbPb18Te20 samples are belong to cubic system.

结合指标化程序给出的晶格参数和我们实验测定的密度,我们认为我们所合成的样品是固溶体,然后又对样品三的原始XRD谱,利用Material Studio中的Reflex模块中的Reflex Solve对其进行了结构求解,得到其最好的结构为符合空间群为FM-3M的结构(如图4.9)。

They had suppressed the cathodic process of carbon steel electrode. Their inhibition performance was also related with their molecule stereo conformation and electron configuration. Four of bis-(1, 1'-benzotriazoly)-α,β-diamide compounds linked via-CO 〓CO-chain were synthesized and certified by IR and 〓H-NMR. The minimum energy conformations of these compounds were obtained by MM2 forcefield program. The two benzotriazole moiety in BBT1 was more planar than in other compounds. This was beneficial in increasing the inhibition effects of BBT1. In 0.5M H〓SO〓 solution, BBT1 suppressed anodic corrosion reaction. In 3%NaCl solution, BBT1 suppressed both cathodic and anodic corrosion reactions. 1- [ (1'-imidazolly)-methyl] benzotriazole was synthesized by Mannich reaction.

合成了四个通过-CO〓CO-连接的双(1,1'-苯并三唑)-α,ω-二酰胺化合物,采用MM2分子力学程序优化了它们的分子结构,双(1,1'-苯并三唑)-α,ω-二酰胺化合物的缓蚀作用与其分子内两个苯并三唑单元的空间取向有关系,良好的平面性有利于苯并三唑二聚体的吸附和缓蚀作用,苯并三唑二聚体BBT1分子内两个苯并三唑单元近似平行,所以显示出较好的缓蚀效果。0.5M硫酸中BBT1主要抑制铜的阳极溶解的电化学反应;3%NaCl溶液中,BBT1对铜的阳极溶解和氧的阴极还原过程均有抑制作用,相比较而言对阴极过程的抑制作用更大一些。

Amino-5-acety laminobenzenesulfonic acid has been synthesized from 2, 5-diaminobenzene sulfonic acid and Acid Red BG (CI Acid Red 37) has been synthesized by coupling the diazonium salt of 2-amino-5-acetylaminobenzenesulfonic acid with racid.

利用2,5-二氨基苯磺酸为原料合成2-氨基-5-乙酰氨基苯磺酸,并进一步经2-氨基-5-乙酰氨基苯磺酸重氮盐与γ酸的偶合反应合成了酸性红BG(CIAcidRed37),并对影响反应的因素进行了讨论

In this paper a series of novel dendrons with 1,3,5-triazine structure were designed and synthesized. The synthesized compounds were investigated for fluorescent enhancement to eosin and Eu~(3+) ion.

本文利用这些特点设计合成了一系列新型结构的含均三嗪环的树枝块,并研究了其对曙红和铕离子的荧光增强作用。

A series of new ligands with different conjugation system and different substituents have been synthesized by changing 1,10-phenanthroline and the responding europium complexes were synthesized.

在phen的结构上进行改造,获得一系列大共轭的配体,研究了它们的铕配合物及各自的荧光性质。

Four kinds of hapten with the similar structure of parathion-methyl were designed and synthesized. These four haptens were coupled with different length and structural spacer arms through nitro-group or methoxyphosphate group of parathion-methyl. Then six kinds of hapten-protein conjugates were synthesized by different methods.

根据甲基对硫磷的结构特征,分别从甲基对硫磷的硝基一端或磷酸酯基甲氧基一端引入一定长度的间隔臂和活性基团,设计并合成了 4种结构的半抗原;针对各种半抗原所带活性基团的性质,通过多种方法制备了与不同的载体蛋白偶联的人工抗原。

The 4-acetylenyl phenylformic acid synthesized with the method contains carboxyl and terminal alkynyl, and is a valuable synthesized used in organic chemistry and is of great prospect to be applied in biomedicine, medicine field, etc, particularly in replacing phenylacetylene which is recently widely used in the synthesis of aromatic heterocycle, such as triazole.

本发明方法合成的4-乙炔基苯甲酸结构中含有羧基和末端炔基,是有机化学中极有价值的合成"砌块",在生物医学、医药等领域有着十分重要应用前景,特别是取代苯乙炔近年来被广泛用于三唑等芳香性杂环的合成。

Eight hydrazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, 2-hydroxy-1-naphthaldehyde with nicotinic or isonicotinoyl hydrazide in anhydrous ethanol respectively; Three thiosemicarbazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, o–hydroxyacetophenon with thiosemicarbazide in hydrous-ethanol respectively.

主要包括以下五部分的工作: 1、以水杨醛、邻香草醛、邻羟基萘甲醛、邻羟基苯乙酮分别与烟酰肼和异烟酰肼按1:1的比例在无水乙醇中反应,制备了八种酰腙类Schiff碱;以水杨醛、邻香草醛、邻羟基苯乙酮与氨基硫脲在水-乙醇混合溶剂中反应,合成了三种Schiff碱配体,并对Schiff碱配体的结构进行了表征。

In this paper, initiator is dissolved in 1-bromopropane which is solvent. Then the propene and hydrogen bromide that can be dissolved in 1-bromopropane are inlet in l-bromopropane when initiator is decomposing. The reaction occurs in fluid phase and high-purity 1-bromopropane is synthesized by one step method. In this paper, the material HBr is synthesized with NaBr and sulfuric acid at the presence of hydrobromic acid.

本论文以1-溴丙烷为溶剂,将引发剂溶于其中,加热到引发剂开始分解时再通入丙烯和HBr,使二者溶解于1-溴丙烷中,在液相中进行反应,实现丙烯"一步法"合成高纯1-溴丙烷利用NaBr与硫酸在氢溴酸存在下反应制备HBr气体,以作为合成1-溴丙烷的原料。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。