六苯并苯

In order to reduce the corrosion of acidic paint stripper to aeronautical metals and provide with better anti-corrosion additive for AIL4130, TC4, LY12, and 20(superscript #) steel, a series of inhibitors and their composite were investigated. Weight loss experiment, Tafel curves measurement and SEM observation were carried out for the above metals in the formic acid solution which was normally used in the paint stripper. The experimental results indicate that the optimizing composite inhibitor consists of sodium benzoate, 2-thiourea, hexamethylenetetramine, sodium laurylsulfonate and 1, 2, 3-benzotriazole.

为降低酸性脱漆剂对飞机金属材料的腐蚀，以脱漆剂中经常使用的甲酸水溶液为研究介质，以AIL4130、TC4、LY12、20钢等材料为研究对象，通过腐蚀失重法、塔菲尔曲线测量和SEM观察，筛选出对以上各金属材料缓蚀效果较好的复配缓蚀剂体系，即苯甲酸钠、硫脲、六次甲基四胺、十二烷基磺酸钠、苯并三氮唑等缓蚀剂的优化组合。

The results showed that indoor air pollution by CO,NOx,and TSP washeavy in olb darracks with coal stoves in winter,but SO2 concentration was within standard in winter and summet.

结果表明，三市上述六项指标夏季大多在标准以内；冬季CO、NOx、CO_2、总悬浮颗粒物均超过标准，苯并芘冬季高于夏季，室内高于室外，旧营房高于新营房；以沈阳大气质量指数评价夏季哈尔滨新营房属"清洁"，余为轻污染，冬季哈尔滨新营房为轻污染，其余新营房为中污染，长春与锦西旧营房为极重污染。

It is manufactured through kneading, cold pressing and post-treatment; and the materials for the synthetic brake shoe include butadiene-acrylonitrile rubber, phenolic resin, graphite, iron powder, barium sulfate, potash feldspar powder, composite fiber, sulfur, hexamethine tertramine, polymethylene aniline, 2-mercaptan benzothiazole, zinc oxide and toluene.

同时本发明的提供了采用捏合、冷压、后处理工艺来制造新型高摩擦系数合成闸瓦。组成新型高摩擦系数合成闸瓦的各组分重量百分比如下：丁腈橡胶为6.20％，酚醛树脂为10.00％，石墨为15.00％，铁粉为11.03％，硫酸钡为30.00％，钾长石粉为5.00％，复合纤维为20.20％，硫磺为1.00％，六次甲基四胺为1.00％，聚亚甲基聚苯胺0.12％，2-硫醇基苯并噻唑0.15％，氧化锌0.30％，甲苯8.0％。

The strain TV9704 does not use dodecane,hexadecane,liquid paraffin,diesel and naphthalene as carbon source and energy for its growth,therefore the oil consumption value was not obviously decreased;comparatively,thiophene or dibenzothiophenewas the only carbon source,sulfur source and en...

这一菌株不能以正十二烷、正十六烷、液体石蜡、萘和柴油为碳源和能源生长，因此不会明显地损失石油的燃烧值；但它能利用噻吩或二苯并噻吩作为唯一硫源来生长。

The influence of solvent/oil ratio, thinner content and temperature on desulfurization and the distribution coefficient by extraction of a model system for diesel oil with special attention to the solvent furfuryl alcohol was investigated.

以康醇为萃取剂，在正十六烷中加入少量二苯并噻吩构成柴油模拟体系，考察了单级萃取中稀释剂含量、剂油比、温度对脱硫率和分配系数的影响。

The influence of solvent/oil ratio, thinner content and temperature on desulfurization and the distribution coefficient by extraction of a model system for diesel oil with special attention to the solvent furfuryl alcohol was investigated.

以康醇为萃取剂，在正十六烷中加入少量二苯并噻吩构成柴油模拟体系，考察了单级萃取中稀释荆含量、剂油比、温度对脱硫率和分配系数的影响。

A study on HPLC analysis of benzopyrene in grain;2. Induction of EROD activity was investigated by an in vitro assay based on benzopyrene and hexa chlorobenzene .

用7-乙氧基异叻唑酮-脱乙基酶检测的方法，研究了苯并芘和六氯苯对日本青鳉肝脏EROD酶的比活力的影响。

The properties of surface chemistry and micellar aggregation number of a special anionic surfactant with two hydrophilic head groups linked by a rigid structure- disodium hexadecyl diphenyl ether disulfonate (C16-MADS) was determined respectively.

测定了由刚性基团联接的特殊双亲水基型阴离子表面活性剂——十六烷基二苯醚二磺酸钠(C16- MADS)的表面化学性能及胶束聚集数，并考察了表面活性剂浓度和体系温度对Nm的影响。

The equilibrium geometries of squaraines substituted by heteropentacyclic, benzo fuzed heteropentacyclic, heterohexacyclic, benzo fuzed heterohexacyclic, heptacyclic, benzo fuzed heteroheptacyclic and zwitterionic squaraines were obtained with ab initio calculation at HF/6-31G* level and the electronic spectra were examined using CIS/6-31G* method.

用从头算6-31G~*方法优化了多种五元杂环、苯并五元杂环、六元杂环、苯并六元杂环、七元环和苯并七元杂环取代的方酸分子以及方酸两性离子分子的几何结构；用CIS／6-31G~*方法计算了其电子光谱；通过TDHF／6-31G~*方法计算其线性极化率、一阶和二阶超极化率来研究分子结构和非线性光学性质之间的关系，同时用两态模型解释了部分分子的一阶超极化率。

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。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失