二氧化铅

Examples of inorganic pigments are titanium dioxide Prussian blue cadmium sulphide iron oxides vermillion ultramarine and the chrome pigments including chromates molybates and mixed chromates and sulphates of lead zinc barium calcium and mixtures and modifications thereof which are commercially available as greenish-yellow to red pigments under the names primrose lemon middle orange scarlet and red chromes.

无机颜料的例子有二氧化钛，普鲁士蓝，硫化镉，氧化铁，朱红色的，群青和铬颜料，包括铬，molybates和混合铬和铅的硫化物，锌，钡，钙和混合物和修改其商业性可作为黄绿色的名称下淡黄色，柠檬，中，橙色，红色和红色至红色颜料

In the old lead chamber processnitrogen dioxide (NO2) was used for the oxidation though in practice mixtures of nitrogen oxides were used.

早期的铅室法工艺中用二氧化氮来氧化二氧化硫，尽管在实际生产中用的是氮氧化物的混合物。

Chemical oxidations of sodium plumbite solution in alkali are readily achieved with chlorine, bromine, and hydrogen peroxide and simple lead salts may be oxidized with 37 M nitric acid.

用氯、溴和过氧化氢在碱性条件下可实现化学氧化铅酸钠。简单的二价铅的盐可用37M的硝酸溶液来氧化

β-Cyclodextrin with the 6-hydroxyls protected by dimethyl-tert- butylsilyl was selectively oxidized by lead tetraacetate. After the silyl groups were removed off by boron fluoride-etherate, mono-2,3- dialdehydro-β-cyclodextrin as a cuniform molecule could be constructed.

用四醋酸铅将七元（6-O-二甲基叔丁基硅基）-β-环糊精选择氧化、并用三氟化硼乙醚脱硅基保护基后，再经分离、纯化，可获得具有&楔筒状&空腔的单-2， 3-二醛基-β-环糊精。

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

本发明涉及的有色金属硫化矿的铵盐液相氧化直接浸出方法，其特征在于：采用铵盐溶液作浸出剂，采用由表面活化剂木质磺酸钠或十二烷基磺酸钠，液相氧化催化剂Cu2+、萃硫剂四氯乙烯组成的液相氧化活化剂，在气液固三相反应器内，实现硫化矿的快速浸出过程，矿粉中各种硫化物所含的硫转变为单质硫和硫酸根，所含的锌、铜、镍、钴、铅、镉、银等变成可溶性盐类进入浸出液中或留在浸出渣中，消除传统流程中二氧化硫，硫化氢，氮氧化物及含砷含汞含铅等有毒烟气的排放。

The results show the removal of antimony can reach 96% by using this technique, and the antimony trioxide obtained has a fine granularity and a purity of 99.7%, which can be used directly as a zero grade product.

利用此工艺，锑的脱除率可达到96%，一次性挥发制得的三氧化二锑的粒度细、纯度高（大于99.7%），可直接作为零级品使用，且挥发处理后所得贵铅中银的富集倍数高，具有实现流程短，能耗低，无污染的特点。

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

中文题名非硅基介孔材料的合成与表征副题名外文题名论文作者周书喜导师李健民学科专业物理化学研究领域\研究方向学位级别博士学位授予单位中国科学技术大学学位授予日期2003 论文页码总数92页关键词介孔材料介孔分子筛馆藏号BSLW /2003 /O643.3 /50 在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

The results showed that the sizes of dopants were reduced, and the size distributions were narrowed.

结果发现，掺杂铅、La_2O_3后，二氧化钛的粒径明显降低，而且粒径分布也比较窄。

The results showed 3 types of aluminum compound prepared in this paper all had good poison protection effectiveness on such impurities as stannous chloride,lead oxide,sodium hydrogen sulfate,and so on.Moreover,the mechanism of the poison of catalyst was also discussed.

结果表明，合成的3种防中毒剂即防－1、防－2(主要成分为乙酰丙酮合铝)及防－3(主要成分为二乙酰丙酮基异丙氧基铝)对二月桂酸二丁基锡、氯化亚锡、二正丁胺、硫脲、氧化铅及硫酸氢钠等杂质均有较好的防中毒作用；不同防中毒剂对不同杂质的防中毒作用有一定的选择性。

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。