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Anethole accounted for 82.65% of the whole oil. Selective isolation of anethole form the volatile oil was carried out using an inclusion crystalline method with 1,1,6,6- tetraphenylhexa- 2,4-diyne-1,6-diol inclusion complex with anethole . The crystal structure of the inclusion complex was determined by IR, 1^H NMR and single crystal XRD techniques.

采用包结结晶方法对小茴香挥发油中的对-丙烯基茴醚进行了选择性分离,以1,1,6,6-四苯基-2,4-已二炔-1,6-二醇作为主体分子,小茴香挥发油中的对-丙烯基茴香醚作为客体分子,D.D选择性地与之形成超分子包结物晶体。

The main contents are:(1) The polarized laser Raman spectra of acetone, methyl alcohol, alcohol, ethylene glycol, formamide, acetonitrile, acetic acid, Chloroform, Methylene chloride, and Bromoform are measured in the experiment.(2) The depolarization ratio of Raman shift in the measured spectrum are

主要的结果有:得到了丙酮分子9条喇曼谱线、甲醇分子5条喇曼谱线、乙醇分子9条喇曼谱线、乙二醇分子7条喇曼谱线、甲酰胺分子8条喇曼谱线、乙腈分子8条喇曼谱线、乙酸分子8条喇曼谱线

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。

Molecularly imprinted polymer using quercetin as template molecules, methacrylic acid as functional monomers, ethylene glycol dimethacrylate as crosslinking agent were prepared, and the binding sites of MIP were selectively modified with diazomethane.The effects of template molecule concentration, solvent and diazomethane usage on modification were discussed.

以槲皮素为模板分子,甲基丙烯酸为功能单体,乙二醇二甲基丙烯酸酯为交联剂,制备了分子印迹聚合物,并以重氮甲烷为修饰剂,对MIP的结合点进行了选择性修饰,探讨了模板分子浓度、溶剂及重氮甲烷用量等对修饰效果的影响。

In this paper the emulsion of polyacrylamide was synthesized in the polyglycol solutions, acryl amide and acrylic acid sodium was used as the monomer. In more detail, we investigated the effect of the concentration of the monomers, the ratio of monomer and PEG, the ratio of monomers, temperature, and emulsifier on the stability of the HPAM emulsion and the molecular weight of the HPAM.

为了提高聚丙烯酰胺相对分子质量,以丙烯酰胺与丙烯酸钠为原料,在聚乙二醇水溶液中合成了聚丙烯酰胺水包水乳液,考察了初始单体质量分数、共聚单体与聚乙二醇摩尔比、共聚单体摩尔比、聚合反应温度、乳化剂种类及其浓度对HPAM水包水乳液稳定性及相对分子质量的影响,所得共聚产物相对分子质量可达1.5×10^7。

Meanwhile, the standard experiment on addition of small molecular organic arsenics revealed that the small molecular organic arsenics such as cacodylic acid, disodium methylarsonate were detected to be inorganic arsenic by the two detection methods with high recovery efficiency.

同时,试验中用小分子有机砷进行加标试验,结果表明:二甲基胂酸、甲基胂酸二钠等小分子有机砷对两种测定方法的影响很大,会把小分子有机砷作为无机砷检测出来,且检出回收率很高。

In chapter four, the preperation of ytterbium diiodide was examined. The reductive cleavage of Se-Se bond and S-S bond induced by ytterbium diiodide was investigated. The reaction of diselenides and disulfides with allylic bromide promoted by ytterbium diiodide was also examined. The intermolecular Barbier-type reaction induced by ytterbium diiodide was studied. In the last section of this chapter, the intermolecular reductive coupling of nitriles with azides induced by samarium diiodide was investigated.

第四章,研究了二碘化镱的制备方法,以及二碘化镱作为一种优良的单电子转移试剂在有机合成中的应用:二硒醚的Se--Se键和二硫醚S-S键的还原断裂,及其在合成烯丙基硒醚,硒代酯和烯丙基硫醚,硫代酯中的应用,实验结果表明二碘化镱也能促进分子间的Barbier反应,而文献认为二碘化镱不能促进分子间的Barbier反应;最后研究了二碘化钐促进的叠氮化合物与腈的交叉还原偶联反应,一步高收率地制备脒的方法。

In this thesis, a series of complexes based on aromatic multicarboxylic acids have been successfully synthesized in solutions or under hydrothermal conditions. Their structure and properties are investigated.(1) Eight complex compounds have been synthesized and characterized by X-ray single crystal diffractive technology: The eight complexes are listed as following: [Cu242] complex 1 [Cd22(H2O)4]·4H2O complex 2 [Co(H2btc)(H2O)3] complex 3 [Co2(H2O)2]·H2O complex 4 [Ni22(H2O)4] complex 5 [Cu22(H2O)4] complex 6 [Co(H2biim)2(H2O)2](H2btc) complex 7 [Zn(H2biim)2(H2O)2](H2btc) complex 8 The structure of complex 1 is dinuclear complex resulted from weak interactions(0-D chain); complex 2 is 1-D chain stucture result from interactions of water molecules; complex 3、4、5、6 are coordination polymers using hydrothermal synthses, where the first kind ligand is H4btc, the second kind ligand is phen and Co2+、Ni2+、Cu2+ as center ions, respectively. While the coordination enviroment of Co2+ is the same in complex 3, the coordination geometries around the Co atoms in complex 4 are obviously different because of the different reaction conditions. In complex 4, the 1-D chains are connected into 2-D layer through carboxy groups of ligand H4btc. The structures of complex 5、6 are 1-D chain stucture result from interactions of carboxy groups in ligand H4btc. Complex 7、8 are homeomorphy compounds. Either of them are linked to the 3-D chains through intermolecular hydrogen bonds. Each H4btc lose two protons and H2btc2- acts as negative electron balance.

合成了8个结构新颖的配合物,并用X-射线单晶结构分析方法确定了晶体结构,分别为: [Cu242] 配合物1 [Cd22(H2O)4]·4H2O 配合物2 [Co(H2btc)(H2O)3] 配合物3 [Co2(H2O)2]·H2O 配合物4 [Ni22(H2O)4] 配合物5 [Cu22(H2O)4] 配合物6 [Co(H2biim)2(H2O)2](H2btc)配合物7 [Zn(H2biim)2(H2O)2](H2btc)配合物8 配合物1是一个依靠弱作用连接的双核铜结构;配合物2借助水分子形成一维链状结构;配合物3、4、5、6是以H4btc为第一配体、phen为第二配体,通过水热法合成的配合物,其中,Co2+、Ni2+、Cu2+为中心离子;配合物3中的二价钴离子具有相同的配位环境,不同反应条件下得到的配合物4中的二价钴离子存在不同的配位环境,在配合物4中,一维链通过H4btc上的羧基形成一个二维层结构;配合物5、6是借助H4btc上的羧基形成的一维链状结构;配合物7、8属于异质同晶结构,它们的分子通过分子间氢键形成三维网状结构,H4btc上的羧基失去2个质子,作为一个二价负离子起到电荷平衡作用。

Collisional induced dissociation technique is applied to characterize cucurbituril supramolecule structures complexed with 1,4-diaminobutane, phenylenediamine and lysine.

运用碰撞激发解析技术确定了葫芦脲[6]与1,4-丁二胺,二甲基苯以及赖氨酸分子形成轮轴结构的超分子复合物,即线性分子穿入葫芦脲[6]的空腔内形成的稳定超分子复合物。

objective: to prepare the molecularly imprinted composite membranes with propofol as template.methods: with the ultraviolet light and initiator, template molecular propofol, functional monomer methacrylate and crosslinking agent ethylenegly-coldimethacrylate formed molecularly imprinted composite membrane through polymerization on the surface of polyvinyli-dene fluoride microporous membrane.inspection of the combination of template molecule and functional monomer, characterization of the membrane surface morphology with scanning electron microscopy.results: the morphology of composite membranes was well.propofol bonded to methylacrylic acid with hydrogen bond.conclusion: the method of ultraviolet light-struck is feasible for preparation of molecularly imprinted composite membranes with propofol as template.

目的:制备异丙酚分子印迹复合膜。方法:在紫外光照和引发剂的作用下,模板分子异丙酚、功能单体甲基丙烯酸和交联剂乙二醇二甲基丙烯酸酯在聚偏氟乙烯微孔滤膜表面聚合形成分子印迹复合膜,考察模板分子和功能单体的结合特性,用扫描电镜表征膜的表面形态。结果:复合膜形态良好,异丙酚和甲基丙烯酸以氢键的方式缔合。结论:用紫外光照射法可以制得异丙酚分子印迹复合膜。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。