芳

By means of UV-vis spectrophotometer, the complex abilities of calix [4] arene ligands with metal ions were researched, and the effect of solvent systems was discussed.

使用紫外-可见分光光度法研究了杯[4]芳烃配体与金属离子的络合性质，并考虑了溶剂对配体与金属离子配位的影响，评价了杯[4]芳烃的不同取代基对过渡金属离子及稀土离子的配位作用。

Keywords: calix[6]arene, molecular tube, biscalix[6]arene, tube-type polymer

中文关键词：杯[6]芳烃，分子管道，双杯芳烃，管形聚合物

Comparing with calix[4]arene, calix[6]arene has the bigger adjustment space, thus stronger selective adsorption ability to big metallic ion was shown.

与杯[4]芳烃相比，杯[6]芳烃空穴有更大的调节空间，选择性地吸附某些体积较大的金属离子能力应该更强。

In order to find biologically active urea compounds,seven new N-[5-(3-pyridyl)-1,3,4-thiadiazol-2-yl]-N'- urea derivatives were synthesized by the reaction of 2-amino-5-(3-pyridyl)-1,3,4-thiadiazole with aroylazides,which were prepared starting from carboxylic acids,ethyl chloroformate and sodium azide by one-pot procedure.

为了寻找高生物活性的脲类化合物，通过2-氨基-5-(3-吡啶基)-1，3，4-噻二唑与酰基叠氮化物反应，设计合成了7个新的N-[5-(3-吡啶基)-1，3，4-噻二唑-2-基]-N'-取代苯基脲，其中芳酰基叠氮化物是以芳酸、氯甲酸乙酯、叠氮化钠为起始原料采用&一锅法&所制得。

Petroleum-derived contamination may be dominant source in the study area depending on the distribution of fluoranthene/pyren, benzo anthracene/ benzo (a anthracene + chrysene BaA/(BaA+ Cy, MP/P.

对多环芳烃特征组分的比值（荧蒽／芘、苯并蒽／BaA/(BaA+Cy及甲基菲与菲的比值分析表明：该河流表层沉积物的多环芳烃主要来源于原油污染。

The key techniques of this project are as followes: By means of optimum seeking of pure Cinnamomum camphora var.

本项目核心技术：通过优选含芳樟醇高达95%的纯种芳樟，再经植物克隆技术培育成种苗，种植后不变异；有效物含量高；杂质少；不经蒸馏分离工序，即可达到合格产品。

Chapter 3: Synthesis of 2-aroyl-l,3,5-triaryl-4-carbethoxy-4-cyanocyclohexanols from chalcones with ethyl cyanoacetate is carried out in excellent yields with KF/basic alumina as catalyst under ultrasound irradiation.

第三章：研究了超声辐射下，以碱性氧化铝固载氟化钾为催化剂，利用查耳酮和氰乙酸乙酯合成2-芳酰基-1，3，5-三芳基-4-乙酯基-4-氰基环己醇。

The main compositions of LP are shorter chain carboxylic acid and their ethyl esters, furan derivatives, cyclopentanone, phenol derivatives, benzene derivatives, aromatic ketone, aromatic acid derivatives, longer chain carboxylic ethyl esters and sterides. After upgrading, the main indexes reach the standard of fuel oil.

结果表明，LP的主要成分包括短链或环状脂肪酸及其酯、呋喃衍生物、环戊烯衍生物、苯酚衍生物、苯衍生物、芳酮、芳酸及其乙酯、长链脂肪酸乙酯和甾族化合物，经提质其主要指标达到了燃料油的标准。

The technological advances of toluene disproportionation and transalkylation process,shape selective disproportionation of tolueneand dealkylation process of heavy aromatics, domestic and abroad, were reviewed.

综述了国内外芳烃联合装置中甲苯歧化与烷基转移工艺、甲苯择形歧化工艺和重芳烃脱烷基工艺近年来技术进展情况，并分析了各种技术的优势与不足之处。

Studing on samarium diiodide promoted asymmetric intramolecular reducing coupling reactions, we have made the resolution of the racemic biaryl dials by using enantiomeric N-tert-butanesulfinamine as the resolving reagent successfully and thus obtained a series of axially chiral biaryl dials with high enantiomeric excess.

中文摘要在二碘化钐促进的分子内不对称还原偶联反应中，我们不仅对联芳基二醛底物的合成路线进行了优化，还发现N-叔丁基亚磺酰胺辅基可以作为手性试剂，成功地对联芳基骨架二醛化合物进行拆分，得到高对映体过量的轴手性二醛类化合物。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。