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Students should grasp the classification of the nitration reactions and its industrial application, the main nitration reagents and the nitration method, the classification of the sulfonation reactions, the function of sulfo group and its in the industrial application, sulfonating agents and its industrial application, the separation method for the sulfonated compounds, the widespread applicationof diazonium and the coupled reactions and its in the industry specially employed in the dyes and the pigments synthesis

掌握硝化反应的分类及其在工业上的应用。掌握主要的硝化试剂和硝化方法。掌握磺化反应得分类、磺酸基的作用及其在工业上的应用。掌握磺化剂其在工业上的应用。了解磺化物得分离方法。掌握重氮化及偶合反应及其在工业上特别是在染料和颜料合成中的广泛应用。

The standard Determination of the chemical oxygen demand is dichromate method , with the most widespread application.

测定化学需氧量的标准方法是重铬酸盐法，应用最为广泛。

SOD is a severe forest disease that has caused tens of thousands of widespread dieback of oaks and tanoaks, and infected numerous of other plants species in North America and Europe . Many countries give high attention such as Canada , Australia , New Zealand , members of Europe Union, South Korea, China and the United States , and take strict precaution and compulsive measures against its introduction and diffuse respectively.

SOD是近年来新发现的重要栎树病害，在北美，欧洲等地爆发流行，造成成千上万的栎树，石栎枯死，以及侵染很多的其它植物，危害日益严重，引起加拿大、澳大利亚、新西兰、欧盟、韩国、中国以及美国当地有关政府的高度关注，纷纷采取措施严防其传人、扩散。

EPDM (ethylene propylene diene monomer) rubber development improved rapidly in recent years, applied widespread in the industry.

中文摘要 EPDM (ethylene propylene diene monomer)橡胶近年来由於发展迅速，进而广泛的被工业界所应用。

The digital clock is most common in the daily life,using is also most widespread.

数字钟在日常生活中最常见，应用也最广泛。

It's technology exploitation widespread involving Audio Image System design, Digital Information Processing and Transmission, etc.

JOVE公司的技术研发广泛涉及包括音响图像系统设计、数字信号处理及传输等领域。

The widespread skin eruption with bullous formation and desquamation occurred after anti-epileptic treatment with "dilantin". He was diagnosed as SJS and then progressed into TEN.

临床诊断为史蒂芬-强森症候群(Steven-Johnson syndrome，简称"SJS")，并且进展到毒性表皮性坏死松解症(toxic epidermal necrolysis，简称"TEN")。

From today's labor structure, the female employment population is almost 50% of total employment. But the percentage of female in managing level is only 20%. There is a widespread problem, Glass Ceiling, the female employees in Taiwan face with. The invisible and artificial barriers that would not only limit the development and mobility opportunities of female employees, but also dilapidate the organization's human resource.

摘要 就目前劳动结构来看，女性就业人口占总就业人口之比例已趋近50%，但女性在管理阶层的比例却仅达20%，显示出国内女性的工作者在晋升至管理阶层时普遍存在玻璃天花板的障碍，而这种组织结构性的障碍，不仅使得女性员工的职涯受到阻碍，也会使得组织在人力资源的投入上产生重大的浪费。

Abandoned stope disposal is a technological problem widespread in the mining field in our country. In this thesis, according to the condition of Mujia Hill, the method of roof cutting and ore pillar dilapidation is proposed.

采空场处理是我国普遍存在的采矿技术难题，开展空场处理研究，发展经济合理、技术可行、简便适用的空场处理方法，即迫在眉睫，又具有重大的社会、经济意义和学术研究价值。

Today, diphtheria is rare in developed countries, primarily because of widespread vaccination.

目前，白喉在发达国家已很少见，主要是因为这种疾病的疫苗已经广泛应用。

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