苯并

The most important carcinogens in tobacco is tar, which contains large amounts of carcinogenic effects of a strong 34 Benzo A Pyrene.

烟草中最主要的致癌物质是煤焦油，它含有大量致癌作用很强的34苯并A芘。

Special attention was directed toward finding inhibitors selective against KDR tyrosine kinase in order to ensure that the in vivo profile of a specific Src inhibitor could be determined. The 4-aminobenzodioxole quinazoline series gave compounds with excellent potency and selectivity.

一直以来，人们为了确保能够在体内测定Src酶专属性抑制剂的特性，把研究焦点放在对KDR酪氨酸激酶选择性的抑制剂的寻找上。4-氨基苯并间二氧五环喹唑啉系列化合物具有极好的效力和选择性。

In this thesis, we want to describe the new one-carbon and three-carbon chain extension and ring expansion of 2-aroyl-3,4-dihydro-2H-naphalen-l-one, which is the first report based on our knowledge.

本文在前人的研究基础上，首次开展了α—芳酰基苯并环己酮增加一个碳原子和三个碳原子的自由基扩环和链增长反应，以及自由基加成成环反应。

Before high performance liquid chromatography was performed, refluxing in waterbath was used for saponification and o1vent extraction.

结果 炭火烧烤的羊肉串样品中苯并芘的含量均高于国家允许标准约一倍，大部分烧烤鸡肉的残留亦超过规定。

Transition metal complexes based on benimidazoles can be used as simulacrum of biology molecular, even more catalytic activity was found in some of them.

研究发现苯并咪唑衍生物与过渡金属形成的配合物中，有些具有生物分子的模拟酶作用，部分还具有催化活性。

Almost the same energy was calculated from different residual weights suggesting the decomposition of PBO fiber in air or nitrogen was a single step process.

用热失重方法分析了聚亚苯基苯并二唑纤维在不同气氛中的热分解行为，采用O zaw a法计算了PBO纤维在氮气和空气两种气氛中的热分解活化能。

Almost the same activation energy was calculated from different residual weights suggesting the decomposition of PBO fiber in air or nitrogen was a single step process.

用热失重方法分析了聚亚苯基苯并二噁唑纤维在不同气氛中的热分解行为，采用Ozawa法计算了PBO纤维在氮气和空气两种气氛中的热分解活化能。

However, more commonly used additive packages including sodium nitrite and benzotriazole are also possible.

更普遍使用的添加剂完整配方包括亚硝酸钠和苯并三唑。

The problem of photophysics, spectrum and photo-isomerization of bisbenzoxadyl stilbene in different solvents were studied carefully.

对双苯并唑茋化合物在不同极性溶剂中的光谱、光物理及光顺反异构化问题进行了详细研究。

At present, the industry widely used method hydrodesulfurization with a substituent of dibenzothiophene class of heterocyclic compounds of the desulfurization efficiency is very low.

目前，工业上广泛采用的加氢脱硫法对带有取代基的二苯并噻吩类杂环化合物的脱硫效率很低。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。