甲基

Cyclohexane with Mn as a catalyst in Trial 3 gave a total conversion of cyclohexane of 73% and 28.8% of which were oxygenates which contained 15.2% of dimethyl succinate, 19.6% of dimethyl glutarate and 65.2% of dimethyl adipate.

环己烷锰作为催化剂在审判3了总转化环己烷的73 ％和28.8 ％，其中含氧化合物其中载有15.2 ％的二甲基丁二酸， 19.6 ％的二甲基戊二和65.2 ％的二己二酸。

METHODS Phase-transfer catalytic methylation and suitable method of aftertreatment were used.

采用相转移催化法以硫酸二甲酯为甲基化剂进行α-甲基化反应，并采用适当的后处理方法。

Three alicyclic dianhydrides, 1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2,4,5-cyclopentanetetracarboxylic dianhydride, and 1,2, 4, 5-cydohexane tetracarboxylic dianhydride were polymerized with two aromatic diamines, 1,4-bis (4-amino-2-trifluoromethylphenoxy) benzene (6FAPB, a) and 4, 4'-bis(4-amino-2-trifluoromethyl phenoxy) biphenyl (6FBAB, b) respectively, via a two-step polycondensation procedure to afford two series of fluorinated semi-alicyclic polyimides.

分别将脂环族二酐单体1，2，3，4-环丁烷四酸二酐、1，2，4，5-环戊烷四酸二酐和1，2，4，5-环己烷四酸二酐与芳香族含氟二胺1，4-双（4-胺基-2-三氟甲基苯氧基）苯(6FAPB， a)和4，4'-双（4-胺基-2-三氟甲基苯氧基）联苯(6FBAB， b)反应制备两个系列的含氟半脂环族聚酰亚胺，研究了PI薄膜的热性能和光学性能。

In this paper, we have studied different types of indicators which can be used in alkalimetry, the results suggested that helianthine-triphenylrosaniline (1:1) mixed indicator can instruct color changes of titration end significantly, the accuracy and reproducible are good.

研究了用于碱量法测定的不同种类指示剂，结果表明：甲基橙－亚甲基蓝(1：1)混合指示剂终点颜色变化明显，准确性和重现性好，可以作为测定壳聚糖不同脱乙酰度的通用指示剂，解决了目前碱量法存在的通用性和毒害问题。

Novel chitosan derivative with long alky groups as the hydrophobic moieties and carboxymethyl groups as the hydrophilic moieties was synthesized. The chemical structure of N-octyl-O, N-carboxymethyl chitosan was characterized via FTIR, 1H NMR and elemental analysis. The physical properties were analyzed with wide angle X-ray diffraction and differential scanning calorimetry.

以天然可生物降解的壳聚糖为原料，通过在壳聚糖6位羟基上引入羧甲基，在2位氨基上引入疏水烷基链，制得N-辛基－O，N-羧甲基壳聚糖两亲性衍生物，分别用FTIR、1H NMR和元素分析等技术对其结构进行表征，用广角X射线衍射和差示扫描量热法对具物理性质进行分析，并考察其在各种溶剂中的溶解性能及其对难溶性药物的增溶能力。

Methylation variations of artificial F4 and F10 generations of Raphanus sativus×Brassica alboglabra allopolyploid were examined with MSAP. The results showed that the methylation levels of F4, F10 were 30.61% and 33.10%, respectively.

以人工合成的萝卜－芥蓝异源四倍体的F4和F10世代为材料，用MSAP法检测2种材料DNA甲基化变异情况，以期为远缘杂交后不同世代间基因组DNA甲基化遗传和变异规律提供实验依据。

Second,2-methyl-1-phenyl-1-pentanone was synthesized with benzene and isocaproyl chloride in the presence of anhydrous aluminum chloride as a catalyst .

其次，以无水三氯化铝为催化剂，苯与2-甲基戊酰氯反应合成了2-甲基-1-苯基-1-戊酮

The methylated amidogen still held protonation at low pH. Therefore, the adsorption ability of biomass was almost unchangeable through methylation of amidogen in biomass. The acetylated amidogen lost protonation at low pH, and the capacity of dye adsorption of biomass decreased by 51.6% after acetylation of amidogen in biomass.

甲基化氨基在酸性条件下仍然可以质子化，故氨基甲基化修饰后染料吸附性能不变；乙酰化氨基在酸性体系中失去质子化能力，乙酰化修饰菌体染料吸附性能下降51.6%。

The molecularly imprinted polymer with aminopyrine as template was prepared by in-situ polymerization using a-methacrylic acid as functional monomer and ethylene glycol dimethacrylate as the crosslinker.

本实验以甲基丙烯酸为功能单体，乙二醇二甲基丙烯酸酯为交联剂，采用原位聚合法制备了氨基比林为模板的棒状分子印迹柱。

In order to study the relation of cytochrome P-450 with the protective action of SY-801 and SY-640 against 〓-induced UDS and 3H-BP binding to nuclear DNA, the effects of SY-801 and SY-640 on liver microsomal cytochrome P-450 were studied in mice. The results indicated that the liver microsomal cytochrome P-450 concentration and aminopyrine demethylase activity were significantly increased in mice pretreated with SY-801 150mg/kg or SY-640 150 mg/kg once daily for three days.

本实验进而观察了SY-801对小鼠肝微粒体细胞色素P-450酶系的影响，结果表明SY-801和SY-640体内连续给药3天，可诱导小鼠肝微粒体细胞色素P-450含量明显增加，同时氨基比林脱甲基酶活性亦明显增加；给药1次2小时内二者均可抑制氨基比林脱甲基酶活性，而对肝微粒体细胞色素P-450含量则无明显影响。

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？