衍生物

The SERS spectra of isoquinoline and its six derivates 3 -isoquinolinecarboxylic hydrate (Ⅱ, 1-isoquinolinecarboxylic acid, methyl 3-isoquinolinecarboxylate, isocarbostyril, 5-hydroxy-isoquinoline and 1, 5-isoquinolinediol were obtained by mixing the chemicals with silver colloid.

应用SERS技术，我们获得了异喹啉及其六种衍生物3-羧基异喹啉(Ⅱ，1-基异喹啉，甲基-3-羧基异喹啉酸酯，1-羟基异喹啉，5-羟基异喹啉和1，5-二羟基异喹啉的喇曼光谱。

The adsorption and self-assembly of isocyanide derivatives on Au(111) surface were investigated by density functional theory and molecular dynamics simulation.

本文通过密度泛函理论和分子动力学模拟方法研究了异氰衍生物在Au(111)表面的吸附和自组装。

Starting with commercial available tosylmethyl isocyanide and but-2-enoic methyl ester, pyrrolo[2,1-f][1,2,4]triazine derivatives was prepared by twelve-steps process in total yiled of 5.0%~8% via pyrrole and pyrrolo [2,1-f] [1,2,4] triazine ring formation, substitution and amination reactions etc.

本文以简单的对甲基苯磺酰甲基乙腈和反-2-丁烯酸为原料，经过形成吡咯，吡咯并[2，1-f][1，2，4] 三嗪环，取代，酰胺化等等12步反应，合成了结构新颖的吡咯并[2，1-f][1，2，4] 三嗪衍生物，总收率达5%～8%。

By using an uncoated silica capillary(75um I.D,60cm of total length,and 50cm of efficient length)and 75mmol/L borax(pH 10.5)as carrier electrolyte,the derivatized isomaltooligosaccharides with a-naphymethamine,including isomaltose,panose,isomaltotriose,were sufficiently separated at the qualification of an applied voltage of 15kV and aUV detection wave-length of 214nm.

在未涂渍的石英毛细管中，以75mmol/L硼砂(pH 10.5)为运行缓冲液，在检测波长214nm、分离电压15kV下对低聚异麦芽糖主要组分的α-萘胺衍生物进行快速地分离测定。

This Company is mainly engaged in the development, production and sales of chemical agents with isophthalic acid as ramification and TGIC.

公司有自营进出口权，主要从事电子、电子油墨、涂料级异氰尿酸三缩水甘油酯又名呔哔克与间苯二甲酸衍生物的化纤助剂系列产品开发、生产、销售。

The synthesis of a novel rotaxane containing α-CD(α-cyclodextrin) as the macrocycle,stilbene as the 'string' and the isophthalic acid as stopper via a palladium-catalyzed Suzuki coupling reaction in water at room temperature and supramolecular self-assembly was reported.

通过醋酸钯催化的Suzuki偶联反应，在室温下于水溶液中通过超分子自组装制备了以α-CD为大环，异酞酸为端塞，二苯乙烯衍生物为链的新型超分子轮烷。

The corrosion-inhibiting efficiencies of isoquinoline and its hydroxyl and carboxyl derivatives on Fe electrode in HCl solution have been determine with electrochem.

本文在30℃， 1.0mol.dm^-3 HCl溶液中用电化学方法测定了异喹啉及其羟基，羧基衍生物对Fe电极的缓蚀效率。

The corrosion inhibition of isoquinoline and its hyd roxy and carboxylic derivates were determined by electrochemical methods,and qua ntum chemistry calculation were gained through HMO and CNDO.

用电化学方法实测了异喹啉及羟基、羧基两类取代衍生物的缓蚀效率，并用HMO、CNDO方法进行量子化学计算。

The neural network's outputs included the corrosion-inhibition efficiencies of isoquinoline and its hydroxyl and carboxyl derivatives for iron electrode in HCl solution or electrode parameters which were determined with electrochemical methods in 1.0 mol·dm-3 HCl solution at 30℃.

以缓蚀剂分子氮净电荷、自由价、亲核前沿电荷密度等量子化学参数为输入变量，考察了异喹啉及其羟基、羧基衍生物在30℃，1.0mo1·dm~(-3)HCl溶液中对铁的缓蚀效率，建立了相应的预测模型。

Pymetrazine is chosed as the lead compound, and 21 compounds were firstly designed and synthesized. These compounds were characterized by introducing phenyl derivatives with different functional groups to replace pyridine ring with the isosteric principle and the method of homogeneous synthesis and reasonable biologically designing in order to find new compounds with potential biological activity. These compounds were confirmed by IR, H NMR and MS spectra.

本文选取吡蚜酮为先导化合物，运用电子等排理念，综合类同合成、生物合理设计的方法，引入含有不同官能团的苯基衍生物替代吡蚜酮的结构中心吡啶环，设计合成了21个未见文献报道的化合物，寻找具有潜在生物活性的新三嗪酮类化合物，通过核磁共振氢谱、红外光谱、质谱等手段进行了结构表征，并验证正确。

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。