查询词典 aromatic compounds

The compounds were identified by physical and spectroscopic techniques.Result:Six compounds were isolated and identified as 4,4′-biisofraxidin(1),esculetin(2),fraxetin(3),scoparone(4),isofraxidin(5),scopoletin(6),respectively.Conclusion:Compound 1 is a novel natural product.

结果：首次从草珊瑚干燥全草中分离得到6种具有抗菌活性的香豆精类化学成分，分别为4，4′-双异嗪皮啶(4，4′-biisofraxidin，1)，秦皮乙素(esculetin，2)，秦皮素(fraxetin，3)，滨蒿内酯(scoparone，4)，异嗪皮啶(isofraxidin，5)，东莨菪内酯(scopoletin，6)。

Fibrocystic disease of breast/tcm ther;compounds/ admin;compounds/ pharmacol;sex hormones/blood

纤维囊性病，乳腺/中医药疗法；复方/投药和剂量；复方/药理学；激素类/血液

The recent progress in electroluminescence device including spiro compounds of fluorene and anthracene is discussed in this paper. The synthetic methods of double-spiro and single-spiro organic compounds together with EL devices are described in detail.

对近年来含芴、蒽螺环结构发光材料的研究进展进行了总结，重点介绍了含有双螺、单螺结构的有机电致发光材料的结构和特性，给出了部分有机化合物的合成方法。

Three new fulvene polymeric compounds, namely 1[Ag (L3]CH2C12 , 2[Ag2(L25(H2O)(S03CF3)2]0.5C6H6 and 3 Mn(L42(C2H5OH)2 , were synthesized, respectively. Compounds 1 and 2 reported herein represent the organometallic polymers based on both Ag-N and Ag-C coordination interactions. In the solid state, compound 3 are bound together by strong intermolecular N H-O hydrogen bonding system into a supramolecular one-dimensional H-bonded chain.B.

一、富烯有机配体的合成及与金属离子的反应化学利用富烯负离子的芳酰化反应和Heck-偶联反应合成了富烯配体L1-L18，并合成了三个基于富烯配体的金属有机配位聚合物1[Ag(L3]·CH_2Cl_2、2[Ag_2(L25(H_2O)(SO_3CF_3)_2]·0.5C_6H_6和氢键驱动的超分子聚集体3Mn(L4_2(C_2H_5OH)_2。

The primary performances of nitrogen-rich compounds on the gas generant composition of automobile crash airbag system are studies. Based on the closed bomb tests, the P—t curves are obtained and compared with NaN〓. It is shown that the burning velocity of five compounds are higher than that of NaN〓.

研究了富氮化合物作为气体发生剂使用的基础性能，采用密闭爆发器法测出了它们燃烧过程的P-t曲线，并与常用的叠氮化钠类气体发生剂的性能进行了比较，结果表明其中5种药剂的燃烧速度优于叠氮化钠。

There were not correlation between the inter-colony agonistic behavior and the secretion of frontal gland, gnathal gland and abdominal gland, or the compounds of body wall, the genetic background, the contents of microelement and protein in body, the microorgansim in intestinal cavity. The colony age and the colony individuals quantity had not effects on the inter-colony agonistic behavior. But the season change, the food kinds, the soil around colony, and the weak volatile compounds from termites would influence the agonstic behavior between colonies in a certain extent.

巢间个体的格斗行为与额腺、颚腺和腹腺分泌物组成、表皮化合物组成、遗传背景、体内微量元素和蛋白质含量及体内肠道微生物的存在与否无关，巢龄和巢群大小对格斗行为也无影响，但季节变化、食物种类、供饲土壤和体表挥发物对格斗行为有一定的影响。

The structures of the target compounds were confirmed by MS, IR, 1H NMR spectra, and elemental analysis. The preliminary biological tests show that some of the target compounds have certain herbicidal activities.

通过元素分析， 1H NMR， IR 和MS确定化合物的结构，初步生物活性测试表明标题化合物具有一定的除草活性。

The final compounds structures were characterised by 1HNMR, elemental analysis and IR as well. Herbicidal activity of the compounds was evaluated both in vitro and in vivo. The results showed that most of them had good biological activities.

设计合成了一系列新化合物，合成得到38个中间体，均得到了1H核磁共振证实；14个目标化合物，全部通过了1H核磁共振和元素分析的证实，部分化合物还得到了红外光谱的验证。

Results Five hexacyclic camptothecins (6a, 6b, 6c, 7a and 7b) are target compounds, and ten camptothecin derivatives are new compounds.

结果 5个六环喜树碱衍生物为目标化合物，10个衍生物为新化合物。

Results Five hexacyclic camptothecins (6a, 6b, 6c, 7a and 7b) a re target compounds, and ten camptothecin derivatives are new compounds.

结果 5 个六环喜树碱衍生物为目标化合物，10个衍生物为新化合物。

He's a pretty westernised kind of guy.

他是一个非常西化的人。

National spirit is the moral kingpin for a nation to realize common ideal and goal.

一、中华民族精神的基本内涵党的十六大报告指出：在五千多年的发展中，中华民族形成了以爱国主义为核心的团结统一、爱好和平、勤劳勇敢、自强不息的伟大民族精神。