衍生物

We report a 36-year-old man with MELAS in whom a 5-month course of high-dose oral idebenone, a derivative of coenzyme Q10, increased markedly cerebral metabolic ratio of oxygen and oxygen extraction fraction without increased cerebral blood flow with PET.

我们报告了一例36岁患MELAS（线粒体脑肌病伴高乳酸血症和卒中样发作）的患者，在口服一种辅酶Q10衍生物艾地苯醌后，显著地增加了氧气和氧提取部分的比例而同时不增加患PET症的患者的脑血流量。

Based on the different reaction results with-menthyl,-8-(2-naphthyl)menthyl or-8-phenylmenthyl as the chiral auxiliary, it is was proposed that the possible p -stacking effect between the aryl of chiral auxiliary and dienyl group of α,β-unsaturated esters is involved in the diastereoselectivity of these reactions.

该反应手性辅基易于回收、选择性好，产率高，这一工作为合成多取代的光学活性乙烯基环丙烷衍生物的提供了一种较为简便的方法。

By combining resolution and protection of DBSPINOL with menthyl chloroformate, the enantiopure SPINOL and other 4,4'-derivatives have been synthesized effectively via (1S)--4,4'-dibromo-l,r-spirobiindane-7,7'-diyl bis-menthyl carbonate with n-BuLi following reacting with electrophiles of I2, MeI, CO2 and water.

在制备其它衍生物反应中，薄荷醇碳酸酯成为羟基的保护基，DBSPINOL碳酸酯用正丁基锂处理后，再和亲电试剂作用合成了其它4，4'位二碘代、二甲基取代和二羧基取代SPINOL新化合物。

Mercapto derivatives yield persulfide products that are potential sources of sulfane sulfur, which may modify protein function by reacting at important cysteinyl domains.

疏基衍生物产生的过硫化物是硫烷硫的潜在来源，后者可通过与重要的半胱氨酸区域反应来调节蛋白功能。

Mercapto deriaties yield persulfide products that are potential sources of sulfane sulfur, which may modify protein function by reacting at important cysteinyl domains.

疏基衍生物产生的过硫化物是硫烷硫的潜在来源，后者可通过与重要的半胱氨酸区域反应来调节蛋白功能。

Containing hydroxyl and mercapto alkyl sulfatessubstituting group respectively, BRS2 and BRS3 all have higher water-solubleproperties.

另外两种胆红素衍生物(BRS2和BRS3)，分别为末端磺酸基和二羟基取代，具有较好的水溶性。

Whenever Stonybrook Schoolmaster becomes tapped, you may put a 1/1 blue Merfolk Wizard creature token into play.

每当石溪教务长成为横置时，你可以将一个1/1兰色人鱼/法术师衍生物放置进场。

In recognition of its important value in ion-selective electrode study, this thesis aims to develop new types of carriers. Metallorganic compounds, Metal-Schiff base complexes, heterocyclic nitrogen compounds, derivatives of calixarene,Sudan Ⅰ and dialkyldithio phosphate have been tested as carriers for all kinds of ions.

鉴于新型载体的开发在离子电极研究中所具有的重要价值，本文主要开展了这方面的一些研究工作，重点考察了金属有机化合物、金属希夫碱配合物、含氮杂环化合物、杯芳烃、苏丹Ⅰ以及双硫代磷酸脂衍生物等各类物质用作离子载体的可能性。

In - situ photoelectrochemical microscopic method has been used to characterize the spatial variation of the film formed on the copper surface in buffer - borax solutions (pH 9.2) with different concentration of benzotriazole and combined benzotriazole methanoic acid ester .

采用激光扫描微区光电化学显微技术对不同浓度下的苯并三氮唑及其衍生物4-羧基苯并三唑甲酯与5-羧基苯并三唑甲酯的混合物在硼砂缓冲溶液(pH9.2)中对铜电极的缓蚀作用作了比较研究。

Abnormally enhanced absorptions for the methine proton in products of triaryl orthoformate derivatives were also observed in C6D6 , indicating the formation of the product resulted in radical pair intermediate.

在氘苯中，产物三苯基原甲酸酯衍生物的次甲基质子的异常增强吸收，表明该产物由中性自由基对形成。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。