衍生物

In our research, thiophene derivant produced by desulfurization in the coking benzene was used as the polymer to provide the passing channel of the charges. The ionic liquid composition in poor performance after repeated use was made to prepare conductive material (resisting to static electricity) as an "electron-receiving" and "electron-giving" doping agent.

本研究利用煤焦化苯脱硫反应形成的噻吩衍生物作为提供电荷流通的聚合物，将反复使用后性能不佳的离子液体成分等作为&受电子型&和&给电子型&的掺杂剂，进行导电材料的制备。

Characteristics: Sildenafil Mesylate is the derivant of sildenafil critate, white or off-white crystal powder, odorless, bitter, melt in water and ethanol

甲磺酸盐西地那非是枸橼酸西地那非的衍生物，本品为白色或类白色结晶性粉末，无嗅、味涩苦、溶于水和乙醇。

DFA-PEG polyester was synthesized with DFA and PEG 400 at first, and then bysulfating DFA-PEG polyester with NH_2SO_3H or terminating DFA-EG polyester withrosin acid, two derivant, these are sulfated DFA-PEG polyester and terminateDFA-PEG polyester, were synthesized. The reaction conditions of synthesis wereoptimized by orthogonal experiments.The molecular weight of product was analyzed by GPC.

5以二聚脂肪酸和聚乙二醇400为原料，首先合成了DFA-PEG聚酯，再以DFA-PEG聚酯为衍生体，硫酸化或用松香封端，合成了两种DFA-PEG聚酯衍生物——DFA-PEG聚酯硫酸酯盐和松香酸封端DFA-PEG聚酯，通过正交试验，对合成的条件进行了优化。

Vitamin A derivatives are widely used in cosmetics and dermatological treatments for skin preparations designed to combat skin aging and treat acne.

维生素 A 衍生物在化妆品和皮肤病治疗上广泛使用，这些皮肤防护品用于防治皮肤老化和治疗痤疮。

A derivative of amphetamine ,such as dextro amphetamine or a phosphate or sulfate of amphetamine ,used as a central nervous system stimulant in the treatment of certain conditions,such as narcolepsy and depression.

硫酸苯丙胺安非他命的衍生物，如右旋安非他命，或其磷酸盐或硫酸盐，在治疗某种病状如发作性睡病和精神抑郁时可用作中枢神经系统兴奋剂

In this paper, the pathways of diacetyl and it′s derivatives formation, metabolic energy of MLF and MLE gene engineering technology was also reviewed.

本文还对双乙酰及其衍生物的产生机理、MLF能量代谢和MLE基因工程等方面进行了评述。

DBP and DEHP have the similar photodegradation mechanism. The predominant pathway for DBP and DEHP photodegradation in the Fe -oxalate complexes system is hydroxyl radical extracting H atom in α-position of the aliphatic chain close to the carboxyl group followed by oxidation to produce alcoholized derivatives ROH. ROH then breaks down to phthalic acid and dialcohol that will be further oxidized up to mineralization.

DBP和DEHP的光降解历程相似，主要反应途径是OH自由基提取烷基上与羧基相连的α-H原子，然后被氧化生成醇衍生物，再分解成为酞酸和二醇，酞酸经历开环和进一步脱羧，二醇可以被氧化成为低级烷基羧酸，直至矿化。

The immediate products of this reaction are alkali-metal derivatives of the dialkyl phenylmalonates.

此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物。

Therefore this research is to synthesize alkyl dialkyl o-hydroxyphenyl phosphate (8) as new lubricant additives.

所以本研究希望能结合磷酸酯与儿茶酚二者的优点以开发出新型态的润滑油添加剂---儿茶酚磷酸酯衍生物。

Urea and amide were used as guest molecule in the chapter 2. Dicarboxylate 36 shows three anodic waves and two cathodic waves in CV. The cathodic current decreased when urea and amide were added.

第二部分则是将尿素与醯胺基团当成被侦测的客分子，我们合成了具双酸根的三苯胺衍生物盐类36，发现尿素与醯胺基团加入后盐类36的循环伏安谱之还原电流减少可以用来侦测尿素与醯胺基团。

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。