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碘化

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The best compost of catalytic-oxidation is scalpped by perpendicular experiment,the best fugitive conditions arestudied in the best of the reaction between sulphuric acid- potassium bromide and sodium iodate .

研究了在3.0mol/L的硫酸介质中,溴化钾催化碘酸钠氧化偶氮胂M褪色反应的适宜条件与影响因素,建立了催化动力学褪色光度法测定痕量碘的新方法。

Water, Sweet almond oil, Cetearyl wheat bran glycosides and cetearyl alcohol, Hydrogenated jojoba oil, Zinc oxide, Rosehip oil, Evening primrose oil, Macadamia nut oil, Calendula oil, Honey, Camellia oil, Rose geranium oil, Frankincense oil, Lavender oil, Grapefruit seed extract, Vitamin E,marshmallow root,ginkgo bilboa, Phenoxyethanol, Iodopropynyl butylcarbonate.

水,甜杏油,麦秸鲸蜡硬脂基葡糖苷和十六烷基醇,氢化霍霍巴油,氧化锌,野玫瑰果籽油,月见草油,澳洲坚果油,金盏菊油,蜂蜜,山茶油,老鹳草玫瑰油,乳香油,薰衣草油,药属葵根,百果树,苯氧乙醇,碘代丙炔基氨基甲酸丁

After investigation of a series of synthetic routes of Cefepime, we determined the best route and researched each step of the synthetic process for the goal of cost-cut, simplifying operation procedure and improving yield.

以7-ACA为起始原料,经硅烷化保护氨基和羧基、碘代、置换、脱保护、成盐、缩合、成盐等六步反应,合成了目标化合物,总收率为21%(以7-ACA计)。产品结构经1H-NMR、MS确证。

This article by the Chongqing Guizhou Province area tradition sour meat technique of production souse sour meat, withdraws the sour salt meat sample from the fermentative process to research the nutrition and the security conducts systematically, the thick protein, the myofibril protein, the sarcoplasm protein, the multi-peptide nitrogen, the nonprotein nitrogen, the dissociation amino acid, the crude fat, the free fatty acids, the fatty acid composition, the cholesterol, the soluble sugar, the mineral to b...

中文摘要:本文以渝黔地区传统酸肉生产工艺腌制酸肉,对酸肉发酵过程中的营养及安全性进行了系统研究,检测了粗蛋白、肌原纤维蛋白、肌浆蛋白、多肽氮、非蛋白氮、游离氨基酸、粗脂肪、游离脂肪酸、脂肪酸组成、胆固醇、可溶性糖、矿物质元素,乳酸菌数,总酸在发酵过程中的变化,并对成品挥发性盐基态氮、酸价、过氧化值、碘价、皂化价亚硝酸盐进行质量检测。

Thus, it is significant to synthesize the organic-inorganic hybrid silver iodide polymer and investigate the rule of assemble, structure and the relation between structures and properties.

因此,合成一些新型的含银-碘的有机无机杂化聚合物,研究其反应组装规律、结构规律、性能和构效关系具有十分重要的意义。

We carried out the study about the organic-inorganic hybrid silver iodide polymer and intended to find the relation between properties and structures based on summary of literature search systematically.

本论文在系统地对国内外文献调研总结的基础上,开展了有机-无机杂化银碘聚合物合成方法的研究,并进行结构与性能测定,探讨了构效关系,主要工作有: 1。

Started from D-tyrosine, we obtained the tetramic acid 96 using Jouin reaction. The assembly of the second fragment 109 was stared from 1,4-butandiol,using asymmetric alkylation reaction developed by Oppolzer as a key step. Coupling of the tetramic acid 96 with 109 provided the key intermediate 110 according to Yoshii\'s procedure. After remove protective group and Sharpless epoxidation, we obtained the key intermediate 113. Its macrocyclization to form the final product is in progress.

本论文的第二章主要对Macrocidin A开展了合成工作,我们从D构型的酪氨酸出发,经过官能团转换;利用Jouin反应生成Tetramic acid 96,另外一个片断从1,4-丁二醇开始经过多步反应生成碘化物104,利用Oppolzer发展的手性樟脑磺酰胺为辅基参与的不对称烷基化反应,引入手性甲基,生成关键中间体109,接着通过Yoshii发展的方法连接96和109生成110,经过Sharpless不对称环氧化反应建立环氧化合物,然后脱去保护基得到关环前体113,分子内的Mitsunobu反应进行关大环反应正在进行之中。

Starch has gelatinization effect in hot water, elevatory and amylaceous grain is easier when temperature burst, the degree of polymerization that brings about starch is reduced, the opposite element quantity of amylaceous grain is reduced, as the change of amylaceous grain, the package that iodine and starch fashion adds up to content color to also can produce a series of change.

淀粉在热水中具有糊化功能,温度时升高淀粉颗粒更轻易破裂,导致淀粉的聚合度降低,淀粉颗粒的相对分子量减小,随着淀粉颗粒的变化,碘和淀粉形成的包合物颜色也会发生一系列变化。

Complex 5 is a binuclear copper iodide, which is firstly determined by X-ray diffraction.

化合物5是一个双核铜碘无机-有机杂化化合物。我们首次对其单晶结构研究。

It is characterized by that firstly, preparing silver bromiodide flake microcrstalline emulsion, then utilizing silver halide solution to corrode core of silver bromide to prepare the invented hollow silver bromiodide flake microcrystal whose form is triangle or hexagon and whose surface possesses small holes and pits, and the core of the microcrystal is silver bromide and its external layer is silve bromidiode, its iodine content is 1-10 mol%, and the light sensitivity of the emulsion is greatly raised.

首先制备溴碘化银薄片微晶乳剂,再利用卤化银溶剂使溴化银内核腐蚀,制备成的中空溴碘化银薄片微晶呈三角形或六边形,表面上有小孔和凹坑,微晶的内核为溴化银,外层为溴碘化银,其碘含量为1―10mol%;无论从色盲乳剂,还是经光谱增感乳剂的感光度都有大幅度的提高。

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