芳烃

In a pilot scale reverse flow reactor with a liter of catalyst, catalytic combustion of typical industrial waste gas contaminated with volatile aromatic compounds was systematically investigated, and the "temperature run-away"in the case of too high feed concentration and the " extinction of reactor" in the case of low feed concentration were observed.

在流向变换催化燃烧小型中试装置上利用国产催化剂进行了含混合芳烃模拟工业废气的净化试验，重点考察了挥发性有机物能够通过调整换向周期在既不&飞温&也不&熄火&的条件下保持很高的VOCs转化率的浓度变化范围，初步观察了由于VOCs浓度过高或过低所引起的&飞温&或&熄火&过

The apparent solubility of PAH and aromatic halides in cyclodextrin solution increased linearly with the increasing of cyclodextrin concentration.

PAH和卤代芳烃在环糊精溶液中的表观溶解度随环糊精的浓度线性增加。

The rate constants and yields of aromatic halides containing substitute s with different electrophilicities were investigated.

三氟乙酸钠在以CuI为催化剂的条件下与卤代芳烃进行取代反应，生成相应的三氟甲基化合物。

In addition, the carbonylation reaction of alkyl halides catalyzed by cobalt complex has been explored.

本文对卤代芳烃的Heck偶联反应分别在均相和非均相催化体系中进行了研究和比较，并将使用效果较好的负载型钯催化剂和一些非钯金属催化剂应用于Suzuki偶联反应中。

Among the special nine pollutants, however, eight of them, including Hexachlorobenzene, N-Nitrosodi-N-propylamine, 3,3-dichlorobenzidine, 2,4,6-trichlorophenol, 2,3,4,5,6-pentachlorophenol, indeno (1,2,3-cd) pyrene, 4,4'-DDT and Heptachlor were in need of concern while another chemical: dibenzanthracene be of special concern. The sources of these chemicals were discussed and some control strategies were suggested based on the risk assessment.

结果表明，有18种有机污染物超过了USEPA的标准浓度要求，其中9种物质具有一定的生态风险，其中六氯苯、N-亚硝基二正丙胺、3，3'-二氯联苯胺、2，4，6-三氯酚、五氯酚、茚并(1，2，3-cd)芘、4，4'-滴滴涕、七氯在内的8种化合物具有一定的风险，而多环芳烃二苯并蒽需要引起更高警惕；在此基础上探讨了这些化合物的来源及作用，并提出了相应的防治建议。

Butyric acid,phenol,indol and polycyclic aromatic hydrocarbons are inferredin the solution phase of leachate by GC,and 53% of organic acids,18% of alcohol andphenols,and 7% of alkanes are detected in leachate by GC-MS.The colloidal structure oflandfill leachate is analyzed by determination ofξ-potential and the interfacial tension,whichprovide the basis to pretreatment by the coagulation and treatment by advanced oxidation.

首先测定了垃圾渗滤液的常规水质因子及污染物含量，并采用GC及GC-MS技术对垃圾渗滤液有机相的微观结构进行了分析，由GC谱图解析推断渗滤液的溶液相中含有丁酸或辛酸、苯酚、吲哚及多环芳烃等有机物；由GC-MS解析可知其有机物主要为有机酸，约占53％，其次醇及酚类约占18％，烷烃约占7％。

The recent research progress of oxidation carbonylation of amines/β-amino alcohols, alkoxycarbonylation of epoxides, carbonylative Suzuki coupling, carbonylative Sonogashira, and double carbonylation of aryl iodides has been presented, focusing on the carbonylation reactions studied by us in the past few years, with 81 references.

综述了胺／氨基醇类化合物氧化羰化、环氧化合物氢酯基化、碘代芳烃的羰化Suzuki偶联、羰化Sonogashira以及双羰基化等重要羰基化反应的研究状况，特别是结合本课题组近年来在该领域中的工作，并对羰基化反应的发展及应用前景进行了展望。

So far they have been synthesized with various substituted groups and cavity-size of 4-20 phenol units. Calixarenes have been utilized in fields of complexation, catalysis, extraction, ionophore and so on.

目前已经合成出了4-20个苯酚单元所构成的不同环腔尺寸和具有不同取代基的杯芳烃：它已在配位、催化、萃取、离子载体、分离材料等领域得到了应用，在色谱中的应用也日益受到关注。

A novel lead ionselective polyvinyl chloride membrane electrode was prepared using 25,27di(2thiadiazolethiooxyethyl)26,28dihydroxyl5,11,17,23tetraptertbutylcalix[4]arene as the ionophore. The influences of the nature of plasticizers and the amounts of the incorporated ionophore and ionic additive on the response characteristics of the electrode were studied.

制备了以25，27二(2噻二唑基硫代乙氧基)26，28二羟基5，11，17，23四叔丁基杯\[4\]芳烃为载体的聚氯乙烯膜铅离子选择电极；研究了电极膜中增塑剂种类及载体和离子定域体含量对电极性能的影响。

Adopting 30-second nitrocellulose as the main sticky material, using ethyl acetate, ketone, alcohol and aromatic hydrocarbon as a mixture solvent and modifying nitrocellulose with dimethyl phthalate plasticizer,the prescription of staple adhesive was designed with orthogonal experimental methodology.

选用30s 硝酸纤维素作为主要成膜物质，醋酸酯、酮、醇和芳烃作为组合溶剂，邻苯二甲酸酯类复合增塑剂对硝化棉进行改性，采用正交试验方法确定胶黏剂的配方。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。