查询词典 aromatic

A serial of novel thiophene-based main chain conjugated compound with varieties of aromatic rings and heterocycle, such as acenaphtenequinoxaline phenanthrenequinoxaline ,have been synthesized on the base of looking for lots of references and summarized others research work.

在查阅大量文献和综合前人所作工作的基础上，我们选择卤代芳烃与Sn金属有机试剂在Pd催化下合成了以萘基喹喔啉和菲基喹喔啉为主的一系列噻吩与杂环构成的交叉共轭化合物。

The 4-acetylenyl phenylformic acid synthesized with the method contains carboxyl and terminal alkynyl, and is a valuable synthesized used in organic chemistry and is of great prospect to be applied in biomedicine, medicine field, etc, particularly in replacing phenylacetylene which is recently widely used in the synthesis of aromatic heterocycle, such as triazole.

本发明方法合成的4-乙炔基苯甲酸结构中含有羧基和末端炔基，是有机化学中极有价值的合成"砌块"，在生物医学、医药等领域有着十分重要应用前景，特别是取代苯乙炔近年来被广泛用于三唑等芳香性杂环的合成。

In this thesis, a series of derivatives of -Huperzine A and benzylpiperidine were designed and synthesized, including nonsteroidal anti-inflammatory drug derivatives, heterocycle derivatives, aromatic derivatives and its sckiff derivatives, etc.

全部目标化合物进行了胆碱酯酶的活性测试，石杉碱甲类衍生物的乙酰胆碱酯酶活性比母体差，说明该类取代基在胺基上取代可能会使石杉碱甲衍生物的活性降低。

C〓 thiophene didn't exist in aromatic fraction at 200℃, but very abundant at 300℃, indicating that heterotrophy resulted in the disappearance of chlorophyll which had transformed into more stable compounds with phytane side chain.

在200℃热模拟产物芳烃组份中不存在C〓噻吩，而300℃热解产物中该化合物含量较高，这可能暗示着异养黄化作用导致了叶绿素消失，并转化为更加稳定的具植烷侧链化合物。

The adsorbents of synthetic graphite which can adsorb both long chain nparaffins and polycyclic aromatic hydrocarbons were prepared by the use of high pressure homogenizer.

使用高压匀浆泵制备出具有同时吸附长链正构烷烃和稠环芳烃能力的石墨吸附剂。

One system found on the basis of HPLC system, which was suit for high temperature. The temperature selectivity was studied through analyzing benzene homologue and aromatic hydrocarbons.

本文在液相色谱基础上构建了一套适合高温分析的色谱系统，并通过对苯同系物及芳香烃的分离，考察了温度对色谱分离选择性的影响。

The method was based on the aromatic hydroxylation of terephthalate by hydroxyl radical, produced from the homolysis of peroxynitrite in weak acid media, to yield a highly fluorescent product, 2-hydroxy-terephthalate, which was then detected fluorimetrically.

具体做法是将ONOO〓在pH 5.0的缓冲液中转化为其共轭酸ONOOH，而ONOOH本身不稳定，均裂生成·OH，·OH进攻对苯二甲酸生成强荧光产物2-羟基对苯二甲酸，利用荧光分析法测定2-羟基对苯二甲酸，从而间接确定ONOO〓的含量。

An aromatic or spicy dish served at the end of dinner or as an hors d'oeuvre.

香味的或辛辣的菜，在正餐结束时上菜。

With this first rate material, our Cellar Master uses a combination of his know how of traditional winemaking with performing modern vinification techniques and an ageing period of twelve months in oak barrels to yield a dark hued, nicely fleshy, supple, and aromatic wine.

有了一等的材料，我们的酒窖主人采用他所知的现代葡萄酒酿造技术与传统酿酒法并用的方法，加上12个月橡木桶陈酿，产出了一种有黑色调，酒体丰厚的，柔顺芳香的葡萄酒。

There six chapters in this dissertation: the overview on the study of probing for reactive oxygen species, spin-labelled fluorophore as probe for free radicals, Fe -EDTA chelate-induced aromatic hydroxylation of terephthalate as a new method for the evaluation of hydroxyl radical-scavenging ability, study of fluorimetric method for the determination of peroxynitrite, study of spiro-formed rhodamine B hydrazide as a novel fluorescent probe in analytical chemistry, the conclusion and prospect of the present research work.

本论文分六章，包括生物活性氧表征的研究进展、自旋标记荧光探针表征自由基的研究、利用Fe-EDTA引发对苯二甲酸芳环羟基化反应评价抗氧化剂清除羟基自由基能力的研究、荧光法表征过氧亚硝酸根的研究、螺环型罗丹明B酰肼化合物作为新型荧光探针的性质及应用的研究、结论与展望。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切