芳香

Chapter 5 extends our method to the approach of two-layer benzenoid systems. We validate the Clar rule of the"aromatic hexagon"and explain why these systems can be chemical synthesized successfully.

研究了双层苯型体系的加&块&方法及基本化学性质，证实了Clar&芳香六环&概念的可行性，解释了该类分子能够被化学合成的原因。

This thesis mainly employs the density-matrix renormalization group to investigate the valence bond model. We deal with the one-dimensional and quasi-one dimensional benzenoid systems from medium to infinite sizes successfully and get the ground state energies, the first excited state energies and other properties for the first time.

本论文的主要方面是将密度矩阵重整化群方法引入苯型分子的半经验价键处理，精确计算了一维单层苯型烃及双层苯型烃从小到大，直至无限的基态能量，第一激发态能量及局域芳香性等基本性质。

This method was applied to determine aromatic amines in textiles with recovery of 95%~98% for o-toluidine and 78%~85% for benzidine.

将本方法用于测定纺织品中的芳香胺化合物，邻甲苯胺和联苯胺的回收率分别为95%~98%和78%~85%。

A bacterial strain using phenol, benzoate, naphthalene, biphenyl and benzothiophene as sole carbon and energy sources was isolated from waste sludge and was identified as Rhodococcus sp. strain DF51 according to morphological, physiological and its 16S rRNA gene sequence.

从太原市郊苯酚污染的土样中分离到一株能以苯酚、苯甲酸、萘、联苯和苯并噻吩为唯一碳源和能源生长，并且具有同时分解单环和双环芳香类物质能力的菌株，经生理生化和16S rDNA基因序列分析鉴定为红球菌DF51Rhodococcus sp。

A saturated benzylamine(p K a=9.34) intercalates of the aluminophosphate are obtained while no aniline(p K a=4.60) intercalates are formed under the similar conditions.

新柱撑物形成的速度除与介质的介电常数和芳香胺的加入量有关外，还取决于原有磷酸铝层板间相互作用的强弱。

Temperature-sensitive hydrogels P(NIPA-co-DiAB) with aromatic group as hydrophobe was were prepared by free radical micellar crosslinking copolymerization with N-isopropyl acrylamide, N,N-dially benzylamine as comonomers, N,N-methylene-bis-acrylamide as crosslinker, sodium dodecyl sulfate as surfactant and ammonium persulfatetetramethylethylenediamine as initiator system.

以N-异丙基丙烯酰胺、N，N-双烯丙基苄胺为共聚单体、N，N-亚甲基双丙烯酰胺为交联剂、十二烷基硫酸钠为表面活性剂、过硫酸铵-四甲基乙二胺为氧化还原引发体系，采用自由胶束交联共聚法合成了疏水基团为芳香基的疏水改性温敏性智能水凝胶P(NIPA-co-DiAB)。

The reactivities of the phenyl boronic acids containing di-, tri-fluoro substituents with pyridyl bromide were investigated in different catalyst system.

利用钯催化的SUZUKI偶联反应，以氟取代的苯硼酸与2-溴吡啶为原料合成了系列新的邻吡啶芳香化合物，研究了二及三氟取代的苯硼酸与溴代吡啶在不同催化体系中的反应性质。

A very ripe, assertive, profoundly structured wine, 2003 was a warm year for Grange resulting in dark, brooding and brambly fruit and lavish oak are supported by drying, firm and chalky tannin.

此款葡萄酒酒体成熟迷人深邃，2003年温和年份葡萄酿制出的经典葛兰许，散发深色水果与荆棘类水果的芳香，橡木气息在强劲单宁的衬托下更为馥郁。

TASTING NOTES 产品特征 A very ripe, assertive, profoundly structured and traditional warm year for Grange whose dark, brooding and brambly fruit and lavish oak are supported by drying, firm and chalky tannin.

一款成熟迷人酒体深邃，并且选用传统温和年份葡萄酿制出的经典葛兰许，散发深色水果与荆棘类水果的芳香，橡木气息在强劲单宁的衬托下更为馥郁。

Bromobenzene widely exists as one of the organic pollutant in waters.It is one of the organic intermediates in chemical synthetical processes and the representation of halogenated aromatics and organic solvent.Bromobenzene brings harmfulness to entironment and peoples health.

溴苯作为水体中常见的有机污染物之一在环境中广泛存在，它是许多化学合成的有机中间体，也是有机溶剂与卤代芳香族物质的代表，给环境和人体健康带来不容忽视的危害。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。