Through analysis of the components of coking on different parts of desullfur system of single tower and the waste water containing sulfur , we find the cause of coking in the stripping desulur system from single tower is the polymerization reaction of carbohydrate and the separattion of varied solid powders, organic compounds, and all corrosive productions of metal out of waste water in high temperature, therefore,the solving method is how to decrease the oil content ,how to depolymerize form the carbohydrate and how to antisepticize by vapour of waste water.

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Sesame-flavor liquor (produced by the combination of Luzhou-flavor liquor production techniques, Maotai-flavor liquor production techniques and Fen-flavor production techniques) contains multiple flavoring compositions including ethyl acetate, ethyl caproate, pyrazine, furan, phenols, thiazole and sulfur compound etc. The coexistence of those flavoring compositions in proper proportion finally forms the special sesame flavor.

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Basis on the charaters of chalcocite with high copper and low sulphur,the detail experiments was conducted for chalcocite concentrates from Brazil.

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The load carrying capacity and antiwear property of S,P containing benzotriazole derivative (BM 3) were evaluated using a four ball test machine,and compared with those of zinc salt di(T 202 ) and amine salt of complex ester thiophosphate (T 307 ). The antiwear mechanism of BM 3 were studied by investigating the chemical states and the mass fraction of elements on the rubbed surfaces using X ray photoelectron spectroscopy and electron probe microanalysis and the thermal decomposition products using gas chromatography mass spectrograph.

在四球機上對照評價了含硫、磷苯并三氮唑衍生物（BM－3）和二丁辛基二硫代磷酸鋅（T202）及硫磷酸復(fù)酯胺鹽（T307）的承載能力和抗磨性能国产黄色高淸视频，用X射線光電子能譜儀和電子探針微分析儀等對磨斑表面元素N看亚洲免费美女黄片，S和P的存在形式及表面膜的組成進行了分析，用氣相色譜－質(zhì)譜聯(lián)用儀對BM－3的熱分解產(chǎn)物進行了分析精品国产色哟哟在线观看，并且還對其極壓抗磨作用機理作了探討人人揉揉揉揉揉日日。

XLSulfur columns is extensively deactivated for analysis of low ppbv levels of hydrogen sulfide and methyl mercaptan.

現(xiàn)在分析ppbV級含硫混合物可以使用特殊處理過的硫鈍化柱管來分析分離。

It manufactures heterocyclic, such as pyrazine, thiazole, furan, pyridine and sulf-compounds with their ramifications; and pharmaceutical intermediates such as veratraldehyde, isovanillin, sufurol, diacetyl, acetoin, and 2, 5-dimethyl pyrazine.

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The sulfur compounds in VGO of SCO are mainly C3～7-dibenzothiophene,while those in FCC liquid products are short chain dibenzothiophene and a few alkylated benzothiophene and alkylated thiophene,and the percentages of these three sulfur compounds are 82.04%,13.42% and 0.56%,respectively,and they are difficult to be removed by hydrogenation.

結(jié)果表明，所含硫化物主要是C3~7-二苯并噻吩国国内自拍A片免费观看，而催化裂化反應(yīng)后則以短側(cè)鏈二苯并噻吩為主18禁漫画网站，還含少量烷基苯并噻吩和烷基噻吩，三者的質(zhì)量分數(shù)分別為82.04%国产黄片精品a片3p、13.42%和0.56%欧美巨屌性爱，均屬于難以加氫脫除的含硫化合物。

So the cobalt can not only form cobalt self-existent mineral by combining with sulphur or analogous sulphur elements, but also form cobaltiferous sulphides or analogous sulphides and cobaltiferous silicates minerals by isomorphism with Fe, Ni, Mn, Mg, etc.

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All of the tripodal schiff base ligands and their complexes were characterized.

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The method of acidothioureation leaching (with 732 resin) for the extraction of gold from ore Containing Sulfurs and concentrate of gold was Studied.

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