甲基

Caffeic acid O-methyltransferase is an important methyltransferase in lignin biosynthesis.

咖啡酸3-O-甲基转移酶是木质素合成途径中的一个重要甲基转移酶。

A 125W UV lamp (365nm) was used as light source. The photoelectrochemical system consisted of three electrodes. As follows, Ti/TiO2 thin film was used as the working electrode, graphite electrode as the counter electrode and saturated calomel electrode as the reference electrode. Methyl orange was used as the objective substance. The photoelectrocatalytic degradation of Methyl orange on the Ti/TiO2 thin film was studied .The effects of some factors such as external bias potential, ventilation were also observed.

并以125W紫外线高压汞灯为光源，Ti/TiO2薄膜为工作电极，石墨电极为辅助电极，饱和甘汞电极为参比电极，建立了三电极的光电催化体系，甲基橙溶液为降解对象，并对其在Ti/TiO2薄膜电极上的光电催化降解进行了研究，观察外加电压、通空气等外加因素对甲基橙降解速率的影响。

Isobornyl methacrylate ; Ion exchgange resin ; Methacrylic acid ; Camphene ; Kinetics

甲基丙烯酸莰醇酯；离子交换树脂；甲基丙烯酸；莰烯；反应动力学

Flavor substances of pumpkin were qualitatively analyzed and 22 kinds of chemical components were identified by GC-MS. The main compounds extracted are Bornyl acetate, Camphol and 4-methy- Phenol, respectively.

首次对南瓜(6号京银栗)进行了芳香物质的定性测定，发现南瓜中含有22种芳香性成分，主要为醋酸冰片酯、樟脑、四甲基苯酚、4，6，6-三甲基-双环[3.1.1]-3-庚烯-2-酮。

Other Ingredients: Purified Soft Water, Green Tea Extract, Dimethicone, Sunflower Oil, Cyclomethicone, Stearyl Alcohol, Aloe Vera Gel, Deep Sea Algae Extract, Almond Oil, Glyceryl Tearate, PEG 100 Stearate, Polysorbate 20, Comfrey Extract, Jojoba Oil, Shea Butter, Kukui Nut Oil, Squalane, Glyceryl Caprylate/ Caprate, Caprylic / Capric Triglycerides, Panthenol (Vitamin B5), Babussu Oil, Marigold Extract, Camellia Kissi Oil, Cetyl Dimethicone, Carbomer, Beta Carotene, Ester-C,(Calcium, Sodium, Magnesium and Zinc Ascorbates, Ascorbyl Palmitate and L-Ascorbic Acid),Evening Primrose Oil, Methylparaben, Propylparaben, Triethanolamine, Phenoxyethenol, Imported Tropical Flower Oils.

其他成分：纯净水软，绿茶提取物，二甲基硅氧烷，葵花籽油，环，硬脂醇，芦荟凝胶，深海藻提取物，杏仁油，甘油Tearate，硬脂酸聚乙二醇100，吐温20，康弗里提取物，霍霍巴油，乳木果黄油，库奎坚果油，角鲨烷，甘油辛酸/癸酸，辛酸/癸三酸甘油脂，泛醇（维生素原B5），Babussu 油，金盏花精华，山茶花基西油，十六烷基二甲基硅氧烷，卡波姆，β胡萝卜素，酯- C中，（钙，钠，镁，锌Ascorbates，抗坏血酸棕榈酸酯和L -抗坏血酸），月见草油，甲酯，尼泊金丙酯，三乙醇胺，Phenoxyethenol，热带花卉进口油。

After 3 days, 99% of carbazole and 15% of dimethyl carbazole was degraded. And the removal rate of 1-, 2-, 3-, and 4-methyl carbazole was determined to be 63.4%, 87.6%, 78.4%, and 66.5% respectively.

在柴油脱氮过程中，发现3 天后， 99%的咔唑被降解，四种单甲基咔唑的降解率为63.4%~87.6%，二甲基咔唑共降解了15%。

Study prepared method of dimethylbenzyl carbinol and seek the best technologic conditions and craft route of dimethylbenzyl carbinol.

研究二甲基苄基甲醇制备方法，寻找制备二甲基苄基甲醇的最佳工艺条件和工艺路线。

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。

The synthesis method comprises the following steps: adding 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine and 1- methylthio- 1- methylamino- 2- nitro ethylene with a molar ratio of 1.04: 1 into water, heating to 48- 52 Deg. C, reacting 4.5 hours with a vacuum degree of 0.02- 0.05 MPa, cooling, adding sodium-hydroxide of concentration of 10% to regulate the PH value to 11.0- 11.4, filtrating and cooling the filtrate to 0- 2 Deg. C, crystallizing for 12 hours, centrifugally filtrating, and rinsing filter cake with purity water to prepare wet ranitidine alkali; dissolving ranitidine alkali in alcohol and reacting with chlorhydric acid to prepare ranitidine hydrochloride.

合成方法包括：将摩尔比为1.04∶1的2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯加入水中，升温至48-52℃，于真空度0.02～0.05MPa反应4.5小时，反应完毕降温，用10％氢氧化钠溶液调pH＝11.0-11.4，抽滤，滤液降温至0～2℃，结晶12小时，离心甩滤，用纯化水漂洗滤饼，得雷尼替丁碱湿品；将雷尼替丁碱溶于乙醇中与盐酸反应，制备得到盐酸雷尼替丁，产品符合欧洲药典标准。

This invention discloses an intermolecular charge transfer chromogen with triphenylamine group, with a formula indicated by (1), wherein: R1 is hydrogen atom or methyl group or methoxyl group, R2 is hydrogen atom or 2-(5,5-dimethyl-3-vinylcyclohexenyl-2-enylidene)propanedinitrile group.

本发明公开的含三苯胺基团的分子内电荷转移生色团，具有式1所示的结构式，其中R 1 为氢原子或甲基或甲氧基，R 2 为氢原子或2-(5，5-二甲基-3-乙烯环己烯基-2-烯亚基)丙二腈基。

My first article for Screen Power Magazine, which is to this day is the official magazine of Jackie Chan, was a DVD review of the Hong Kong actioner Gen-X Cops, starring Nicholas Tse and Daniel Wu.

我的第一篇文章为屏幕力量杂志，在对这天是Jackie Chan 正式杂志，是香港actioner Gen X 警察的DVD 回顾，担任主角Nicholas Tse 和丹尼尔吴。

His lips grazed hirs, Now what are you going to do?

他的唇使吃草了 hirs，现在你将要做什麼？