查询词典 methyl-glyoxal

The chiral guanidine —compound(6)was synthesized from the methyl-phenylglycinate hydrochloride as material and the reaction conditions were investigated.

本文以-苯基甘氨酸甲酯盐为原料合成了手性胍—化合物(6)，并对合成反应条件进行了探索和优化。

"Pastel :Drawing medium consisting of fragile, finger-size crayons called pastels, made of powdered pigment s combined with a minimum of nongreasy binder (usually gum tragacanth or, from the mid-20th century, methyl cellulose)."

粉彩笔：一种易碎、如手指粗细的绘画粉笔，采用粉状颜料与最低量的非油脂胶调制而成(通常是用托拉甘树胶，从20世纪中叶起，改用甲基纤维素调制)。

"Pastel :Drawing medium consisting of fragile, finger-size crayons called pastels, made of powder ed pigments combined with a minimum of nongreasy binder (usually gum tragacanth or, from the mid-20th century, methyl cellulose)."

粉彩笔：一种易碎、如手指粗细的绘画粉笔，采用粉状颜料与最低量的非油脂胶调制而成(通常是用托拉甘树胶，从20世纪中叶起，改用甲基纤维素调制)。

"Pastel :Drawing medium consisting of fragile, finger-size crayons called pastels, made of powdered pigments combined with a minimum of nongreasy binder (usually gum tragacanth or, from the mid-20th century, methyl cellulose)."

粉彩笔：一种易碎、如手指粗细的绘画粉笔，采用粉状颜料与最低量的非油脂胶调制而成(通常是用托拉甘树胶，从20世纪中叶起，改用甲基纤维素调制)。

9 Materials and Tools consist out of: Cutting tool; Rags; Deburring tool or half-round coarse file; Methyl Ethyl Ketone M.E.K.

需要的材料和工具：切割工具（管道切割器、手锯、轴锯箱）；抹布；除毛刺工具或者半圆粗锉刀；甲基乙基酮：底漆，粘合剂；尺寸大小合适的刷子；紧线夹和4英寸及以上管道的管箍。

To observe the choriocapillaris closure during hematoporphyrin mono methyl ether photodynamic therapy in New Zealand rabbits in order to investigate whether HMME-PDT can be used to treat aging macular degeneration.

观察血卟啉单甲醚光动力疗法对家兔脉络膜毛细血管的封闭作用及对视网膜非选择性损伤的特点，探讨HMME是否能够选择性引起脉络膜毛细血管的闭合，达到治疗老年性黄斑变性的目的。

A novel carbonyl transposition led by anilines'nucleophilic addition to methyl 2-keto α-D-glucopyranoside was discovered. And the mechanism of the reaction concerned to an enol rearrangment was provided through tracing the change of 〓H-NMR and 〓C-NMR of a hemiacetal intermediate which was obtained in the reaction of o-phenylene diamine with 2-keto glycoside. Both the intermediate and the converting product were identified by 〓H-NMR,〓C-NMR,〓H-〓H COSY and HMQC.

一、发现了2-位氧化α-甲基D-葡萄糖苷的芳胺亲核加成引起羰基转位的新方法，利用核磁共振氢谱及碳谱对邻苯二胺与2-位氧化α-甲基D-葡萄糖苷加成生成的稳定中间体半缩酮化合物在氘代丙酮中的变化进行跟踪，结合对转化产物的氢氢相关谱和HMQC结构确证，提出了该反应中2-位羰基通过烯醇化互变而转至3-位的机理并得到了验证。

Their structures were identified by physico-chemical properties and spectral analysis. RESULTS Seven compounds were isolated as kaempferol,quercetin,astragalin,isoquercitrin,kaempferol-3-O-β-D-glucuronic acid methyl ester,4-hydroxybenzonic acid,hentriacontane.

结果分离得到7个已知化合物，分别为山柰酚、槲皮素、山柰酚-3-O-β-D-吡喃葡萄糖苷、槲皮素-3-O-β-D-吡喃葡萄糖苷、山柰酚-3-O-β-D-吡喃葡萄糖醛酸甲酯、对羟基苯甲酸、三十一烷。

Not only the hydrogen atom of hydroxyl but also the hydrogen atom of the methyl group can transfer to the N atom of heterocycle.

不但甲醇分子羟基上的H可以作为供体质子，而且甲基上的H也可以作为供体质子而转移到芳香环的杂原子N上。

The results show that the compound conductive fiber has typical structure of sheath-core consists of black greened polyaniline electric conductive deposition as the skin and the white polypropylene matrix fiber as the core, which makes the compound fiber preferable physical mechanical property. The intensity and the elongation ratio of the electric conductive fiber are decreased but the thermal stability is enhanced after modified. The compound fiber has the good acid resistance but poor base resistance. The thermal stability of the compound fiber prepared by 4-methyl-benzene sulfonic acid is better than that prepared by hydrochloride acid. Moreover, the compound fiber can be re-doped by other organic or inorganic acid after freed from the adsorbed acid. Furthermore, the electric conductivity of the compound fiber decreases with the temperature increasing but hardly changed with the humidity. The adsorptive ability and therefore the content of the polyaniline, the constant of electric conduction, and the durability of the compound fiber can be enhanced by thinning the diameter, section heteromorphosis, section heteromorphosis and plasma treatment of the surface or blending with COPET of the fiber.

结果表明：复合纤维是聚丙烯与聚苯胺的共混体系，具有典型的皮芯型结构，皮层为墨绿色的聚苯胺沉积层，形成连续的导电通道，芯层为白色的聚丙烯基质纤维，提供物理机械性能；导电改性后纤维的强度、强力和伸长率均有下降，但热稳定性得到提高；复合纤维的耐酸性比耐碱性好，以对甲苯磺酸做掺杂酸比盐酸掺杂聚苯胺热稳定性好，脱掺杂后的复合纤维，可用其它无机酸或有机酸进行再掺杂；复合导电纤维的电导率随温度升高降低幅度较大，但几乎不受湿度影响；基质纤维细旦化、截面异形化、表面等离子体处理或共混COPET等改性处理均能提高纤维的吸附性，进而提高复合纤维表面聚苯胺含量、电导率和耐久性。

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？