The role of the reclaimed rubber: smoke sticky pine tar containing other renewable agent, during which small molecules can penetrate into uniform knot so that sulfur containing rubber between macromolecules to swelling, reticular structure of relaxation, an increase of molecular the distance between chain and oxygen penetration, the other can also serve as free radical acceptor, has inhibited the role of gelation, but also contribute to activating agent to the rubber matrix to speed up the regeneration process of proliferation and can enhance regeneration and plasticity of sticky glue and less polluting, process performance.

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The analysis methods for the determination of micro or trace elements in high moisture jellyfish were developed. The fatty acid compositions in difderent parts of fresh jellyfish were determined by GC/MS method. Thirty-five fatty acids were identified, and most of them were found in R. esculentum jellyfish for the first time. Especially, two unusual very long chain polyunsaturated fatty acids that were never detected in the other jellyfish also were determined. Amino acids were abundant in R. esculentum jellyfish, especially containing sulfur amino acids, and could be supplied for human diet. The polysaccharide in umbrella part of jellyfish was composed of glucose, galactose and uronic acid, and its molecular weight was 40,000, but the polysaccharide of the oral arms part consisted of glucose, mannose and glycuronic acid, and its molecular weight was 43,000. Above-mentioned data were never reported. The ethanolic extract of oral arms part of jellyfish were extracted by different polar solvents (petroleum ether, acetic ether, n-butanol), and antibacterial activity was tested to these extracts by four species of terricolous pathogenic bacilli and three species of botanic pathogenic fungi. The result demonstrated that the petroleum ether extract had certain bactericidal activity for two species of pathogenic bacilli, and n-butanol extract had certain inhibited activity on apple rot pathogenic fungus.

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The analysis methods for the determination of microor trace elements in high moisture jellyfish were developed. The fatty acid compositions indifderent parts of fresh jellyfish were determined by GC/MS method. Thirty-five fatty acids wereidentified, and most of them were found in R. esculentum jellyfish for the first time. Especially,two unusual very long chain polyunsaturated fatty acids that were never detected in the otherjellyfish also were determined. Amino acids were abundant in R. esculentum jellyfish, especiallycontaining sulfur amino acids, and could be supplied for human diet. The polysaccharide inumbrella part of jellyfish was composed of glucose, galactose and uronic acid, and its molecularweight was 40,000, but the polysaccharide of the oral arms part consisted of glucose, mannose andglycuronic acid, and its molecular weight was 43,000. Above-mentioned data were never reported.The ethanolic extract of oral arms part of jellyfish were extracted by different polar solvents(petroleum ether, acetic ether, n-butanol), and antibacterial activity was tested to these extracts byfour species of terricolous pathogenic bacilli and three species of botanic pathogenic fungi. Theresult demonstrated that the petroleum ether extract had certain bactericidal activity for twospecies of pathogenic bacilli, and n-butanol extract had certain inhibited activity on apple rotpathogenic fungus.

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Experimental results show that the incorporation of appropriate amounts of Al~2O~3 into SO~4^2^-/ZrO~2, SO~4^2^-/TiO~2 and SO~4^2^-/Fe~2O~3 is helpful for stabilizing the sulfur species and increasing the effective acid sites on the catalyst surfaces, which can improve the strong acidity and catalytic activity in benzoylation.

實驗表明www.久久cao，向SO~4^2^-/ZrO~2在线538精品，SO~4^2^-/TiO~2和SO~4^2^-/Fe~2O~3中引入適量的Al~2O~3，有助于穩(wěn)定樣品表面的含硫物種国产精品理论一区，增加樣品表面的有效酸位永久在线精品免费播放，提高樣品的強酸性和對甲苯的苯甲跻患禷作爱在线视频观看；姆磻钚匀巳烁扇巳瞬偃巳松先巳烁恪?/p>

These compounds are of substantial interest both inviewpoints of theory and practical applications, mainlyunder the stimulus to achieve synthetic models either foractive sites of iron-sulfur proteins or for transitionmetal catalysts. This thesis describes the synthesis, structures andconformations of 51 new iron-sulfur cluster complexes,which have been characterized by elemental analysis andstandard spectroscopic methods. In addition, single-crystalX-ray diffraction analyses were performed for 4 representa-tive new compounds. Reactivities of μ-〓 with mono- and di- Grig-nard reagents derived intermediates toward various organicelectrophilic substrates were studied, along with complexa-tion of arynyl-containing iron-sulfur clusters by 〓Thus, several bridged, non-bridged, monomeric, dimeric,homonuclear, heteronuclear iron-sullfur and iron-sulfur co-balt-carbon cluster complexes were synthesized. A novelreaction and convenient route for the synthesis in highyield of tetranuclear iron complexes 〓 containing atetracoordinated sulfur atom was discovered, whereas aplausible mechanism based on experimental results was propo-sed for the formation of the new cluster type.

鑒于有機鐵硫原子簇化學在基礎理論發(fā)展和應用方面的重要意義，因此我們開展了這一課題的研究日韩一级A片在线高清视频，并取得以下主要成果： 1亚洲欧美在线等、本文共合成了51個新有機鐵硫及含鈷碳簇基的有機鐵硫原子簇配合物，除用元素分析美女任人插黄色视频，NMR369超碰在线观看，IR，MS法表征其結構和構象外欧美日韩人妻自拍，還用X-光衍射技術測得四個代表性配合物的單晶結構和構象国产无码在线一区二区202； 2、我們業(yè)已發(fā)現(xiàn)炔基Grignard試劑同〓可形成一種&開環(huán)&與&閉環(huán)&中間物的平衡混合物4438最新全国免费视频网，研究該平衡混合物同各種親電試劑的反應www.91视频女人； 3、研究發(fā)現(xiàn)了一種可高產(chǎn)率地形成〓含〓四配位硫攣合簇的新化學反應并對此反應提出了—種有趣的反應機理国产丝袜另类专区； 4亚日韩中文字幕、首次由1，4-二溴丁烷雙Grignard試劑與〓制得一種新型鐵硫簇雙硫陰離子活性中間體人人操人人摸人人看人人爽，并進而研究了它的親核反應性能717西瓜理论福利电影； 5、找到了通過〓的光化學反應來合成簇合物〓-〓的一條有實用價值的新路線久久毛片免费视频。

This is the first time that large-scale detoxification of sulphidic waters by chemolithotrophs has been observed in an open-ocean system.

由RV Alexander von Humbolt在納米比亞沿海水域獲得數(shù)據(jù)顯示亚洲一区AV，由含硫化物的海水覆蓋的面積大約為7000平方公里的一個非洲沿海大陸架區(qū)域，因細菌的作用而消除了毒性：對生物有害的硫化物被氧化成無毒的膠體硫和硫酸鹽欧美在线免费A片。

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.

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The ionization constant of H2CO3 is much higher than that of H2S in the solution , whereas the mole of CO2 is much lower than that of H2S in the sour gas of Feixianguan Formation.

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Effects of different extraction modes, extraction time, pressure and temperature on the extraction yield of onion essential oil and sulphur concentration were investigated,and the different extraction solvents and extraction times were researched in liquid-liquid extraction procedure. The optimal conditions of extraction of onion essential oil with subcritical water were static extraction, 100~150℃sequential program temperature increasing extraction for 30min, 5MPa, petroleum ether as extraction solvent for two times.

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Perliminary bioactive tests showed that most compounds exhibited moderate fungicidal and insect flight inhibitory activity. Benzoylthiourea compounds showed quickly inhibit activity to armyworm.

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