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However, the reduction of these compounds is much higher when chloramines are used as a secondary disinfectant.

然而，这些化合物的要高得多chloramines时被用作次要的消毒剂。

Tang Wen-Xia In order to find out the relationship between the structure and function of copper/zinc superoxide dismutase, and elucidate mechanism of the catalytic dismutation of 〓, we have designed and synthesized two new model compounds of Cu, Zn-SOD, and studied relationship of their structure, properties and biological activity.

为了阐明Cu，Zn-SOD酶活性中心结构和功能的关系，探讨其催化〓歧化作用机理，本文设计并合成了两种不同结构的Cu，Zn-SOD模型化合物及一系列有关化合物，对它们进行了深入研究。1。

Thermodynamic analysis shows that electrochemical reduction of HSO-3 into dithionite is controlled dynamically, not thermodynamically, and that concentration decrease of the sulfur-compounds will be helpful to increase thermodynamic stability of dithionite produced by electrochemical reduction of HSO-3.3figs.,2tabs.,9refs.

热力学与文献研究结果表明，HSO-3电化学还原为S2O2-4的过程为动力学控制，当溶液中含硫物质的浓度均为0.001mol*dm-3时，HSO-3电解还原为S2O2-4的热力学稳定性提高。图3，表2，参9。

Aniline compounds containing heptafluoroisopropyl was synthesized through taking sodium dithionite as evocating agent, and introducing heptafluoroisopropyl by free radical electrophilic substitution on benzene ring.

以连二亚硫酸钠为引发剂，在苯环上通过自由基亲电取代反应引入七氟异丙基，合成了一系列含七氟异丙基的苯胺类衍生物，研究了各种条件对反应的速度和收率的影响。

Of the kinds of words we have enumerated it may be observed that compounds are most in place in the dithyramb , strange words in heroic , and metaphors in iambic poetry .

恰当地使用这一诗的样式是一件了不起的事情，对复合词和外来词也一样。

One of the most important features of these compounds is their diversity.

多样性是这类化合物最重要的特点之一。

The C, H chemical shifts of the compound were assigned and the coupling constant, J values, were also given out. The three downfield proton and carbon signals in the 1H NMR and 13C NMR spectra for target compounds have been assigned for the first time.

对代表性目标化合物TM-I-5c的NMR谱进行了详细的研究，对其C、H化学位移进行了全归属，给出了相应的偶合常数J值，并确定了其空间结构。

In chapter 2, the contents of loureirins in the roots, stems and leaves of Dracaena cochinchinenis were analyzed by HPLC. On the other hand, using the preparation chromatography technology, five compounds were isolated from the leaves of Dracaena cochinchinenis, their structures were identified by means of spectral and chemical methods. They are steroidal saponins.

第二章主要是利用HPLC技术对剑叶龙血树根、茎、叶中龙血素成分的分析与探讨，并利用制备色谱等技术对剑叶龙血树叶子组成成分进行了分析、研究，得到化合物5个，经波谱鉴定，这5个化合物均是幽体皂贰类化合物。

These specimens often can be cleaned in alcohol, ether, or dry-cleaning compounds.

这些标本中，往往可以清理醇，醚，或干洗洗衣机化合物。

The chief pleasure of these philosophers lay in going every Saturday night, when work was done, to Chaseborough, a decayed market town two or three miles distant; and, returning in the small hours of the next morning, to spend Sunday in sleeping off the dyspeptic effects of the curious compounds sold to them as beer by the monopolizers of the once independent inns.

这些哲学家们的主要快乐，就是在每个星期六的晚上收工后到两三英里以外的已经衰败了的市镇猎苑堡去；一直到深夜过后的第二天凌晨，他们才回到家里，在星期天睡上一整天，把他们喝的那种有碍消化的混合饮料消化掉，这种饮料是从前独立经营的酒店的垄断者们作为啤酒卖给他们的。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了