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In this dissertation, the stable radical cation salts ofphenothiazine and 10 - alkylphenothiazine alky=〓(〓 hexachloroantimonate,perchlorate and iodide were prepared by one- electron oxidationwith 2,2,6,6-tetramethyl - 4 -acetyloxypiperidine oxoammoniumhexachloroantimonate, perchloric acid/hydrogen peroxide andmolecular iodine respectively, and they were characteried by UV -Vis spectroscopy and ESR spectroscopy.

本文的主要内容有：吩噻嗪和10-烃基吩噻嗪分别被碘、高氯酸／过氧化氢，2，2，6，6-四甲基-4-乙酰氧基哌啶氧铵六氯锑酸盐氧化为相应的正离子自由基碘盐、高氯酸盐、六氯锑酸盐，并用UV-Vis光谱和ESR波谱进行了鉴定和研究。

The recognition properties of these amide derivatives for several kinds of metal ions were studied with UV-Vis spectroscopy.

利用紫外－可见光谱研究了它们对不同金属离子的识别作用。

Objective To discuss the factors affecting binocular vision by observing the effects of anisometropia and its correction vis LASIK and glasses.

目的 观察成人屈光参差患者接受准分子激光原位角膜磨镶术后双眼视觉情况，探讨影响双眼视觉形成和恢复的主要因素及LASIK与戴框架眼镜对双眼视觉恢复作用的异同。

If we make full use of the mid-infrared spectral features(i.e.,Christiansen Frequency features and reststrahlen bands),we could determine anorthite,olivine,quartz and alkali feldspar on the lunar surface successfully,which could not be accomplished by VIS-NIR spectra.

如果充分利用月球表面硅酸盐的红外光谱特征，即CF特征和Reststrahlen吸收带，将可以用于探测VIS-NIR光谱无法完成的探测目标：钙长石、橄榄石、石英和碱性长石等。

The interaction ways between Tb3＋and horse radish peroxidase were investigated for the first time using UV-Vis absorption spectroscopy, fluorescence spectroscopy, atomic absorption spectroscopy and enzyme separation technique.

利用紫外可见吸收光谱、红外光谱、荧光光谱、原子吸收及酶分离方法，首次研究了稀土离子Tb3＋与植物辣根过氧化物酶的相互作用方式。

Secondly, this paper describes the effect of presence of inorganic salts namely, sodium chloride, sodium sulphate, sodium nitrate, sodium dihydrogen phosphateand and sodium bicarbonate on decolouration of azoic dye effluents by the UV-Vis /Ferrioxalate/H2O2 process.

本课题可以得到以下结论：在偶氮染料光催化氧化脱色反应中，无机盐有抑制作用，并且依其种类不同，其抑制作用亦有差异；表面活性剂对于染料的脱色降解存在不同程度上的抑制作用。

The Soret band in the UV-Vis spectrum of the porphyrin was split because of this effect.

卟啉环流效应对侧链咪唑芳环的影响导致咪唑环上三个氢原子的化学位移向高场移动，且卟啉的紫外－可见光谱的Soret带发生裂分。

Within hours of the shootings in Virginia on Monday April 16th, a conservative blogger was quoting a Roman military historian, suggesting that "if you want peace, prepare for war"("si vis pacem, para bellum").

就在4月16日周一的弗吉尼亚枪杀案发生后数小时，一位保守人士就在其博客上援引了一位古罗马军事家的话："欲求和平必先备战"有些人甚至说得更坦率："一个武装的社会是有礼貌的社会"。

Within hours of the shootings in Virginia on Monday April 16th, a conservative blogger was quoting a Roman military historian, suggesting that "if you want peace, prepare for war"("si vis pacem, para bellum"). Others put it more bluntly:"an armed society is a polite society".

就在4月16日周一的弗吉尼亚枪杀案发生后数小时，一位保守人士就在其博客上援引了一位古罗马军事家的话："欲求和平必先备战"有些人甚至说得更坦率："一个武装的社会是有礼貌的社会"。

Yet some in America are reaching the opposite conclusion. Within hours of the shootings in Virginia on Monday April 16th, a conservative blogger was quoting a Roman military historian, suggesting that "if you want peace, prepare for war"("si vis pacem, para bellum").

然而有些美国人却做出了相反的结论。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？