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A series of long chain alkyl methylnaphthalene sulfonates, including hexyl methylnaphthalene sulfonate, octyl methylnaphthalene sulfonate, decyl methylnaphthalene sulfonate, dodecyl methylnaphthalene sulfonate, and tetradecyl methylnaphthalene sulfonate, was characterized by high performance liquid chromatography and electrospray ionization mass spectrometry. Through a great deal of testing, the analytical conditions were optimized.

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Uranium in the ore is separated and converted into U in HCl andcomplexed with TPC and a new type thoron reagent,2(phosphino-chloro-benzenediazo)-7 (disulfo-naphthyl-diazo)-naphthalene-1, 8 diol-3, 6 disulfonic acid.

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The main components were myristic acid (19.37%), palmitic acid methyl ester(7.56%), lascorbic acid 2,6dihexadecanoate(6.27%), 8,11octadecadienoicacid methyl ester(5.22%), heptadecane(4.82%), lauryl ethoxylate(2.98%), 2isopropyl5methyl1heptanol (2.62%), tetracosanoic acid methyl ester(2.12%),2ethyl2methyltridecanol (2.08%), et al.

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In the aqueous solution, Cu precipitates with ammonium thiocyanate and tetradecyl benzyl dimethylammonium chloride .

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Three cationic surfactants, N -dodecyl- N -(2-hydroxyethyl)- N , N -dimethylammonium bromide, N -tetradecyl- N -(2-hydroxyethyl)- N , N -dimethylammonium bromide and N -cetyl- N -(2-hydroxyethyl)- N , N - dimethylammonium bromide have been synthesized.

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The micelle shape transformation of tert-octylpheny phenol polyethylene glycol ether (TX-100), sodium dodecyl benzene sulfonate and tetradecyl trimethyl ammonium bromide in heavy water solutions was studied by 1H nuclear magnetic resonance spectroscopy, including an NMR self-diffusion experiment. These experiments showed that the surfactants formed several shapes of micelles (spherical, ellipsoidal, and rodlike) at the respective concentrations which were far above their critical micelle concentration.

運(yùn)用核磁共振一維氫譜和自擴(kuò)散實(shí)驗(yàn)方法研究了聚乙烯乙二醇異辛酚醚(TX-100)、十二烷基苯磺酸鈉和十四烷基三甲基溴化銨三種不同類型的表面活性劑在重水溶液中的膠束形狀轉(zhuǎn)變日韩福利一级视频在线播放网站免费，發(fā)現(xiàn)它們?cè)谂R界膠束濃度以上的各自相應(yīng)濃度都有膠束形狀的變化（由球狀轉(zhuǎn)變?yōu)闄E球狀或棒狀）。

Also, the type of dispersion of four gasliquid-liquid systems: air-decane-aqueous solution of sodium sulfite and surfactant, airmixture of decane and dodecene-aqueous solution of rhodium complex, ligand, and surfactant, air-mixture of decane, dodecene and tridecyl aldehyde-aqueous solution of rhodium complex, ligand and surfactant, and air-mixture of decane and dodeceneaqueous solution of trisodium salt of tri (m-sulfophenyl) phosphine, and surfactant is determined by electric conductivity.

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myreth-3 caprate：十四烷基聚氧乙烯(3)醚癸酸酯

十四烷基聚氧乙烯(3)醚肉豆蔻酸酯 myreth-3 myristate | 十四烷基聚氧乙烯(3)醚癸酸酯 myreth-3 caprate | 十四烷基二甲基氧化胺 myristyl dimethyl amine oxide

Dichromic acid and its salts：(四十三)重鉻酸及其鹽類

(四十二)三氧化二砷 Arsenic trioxide | (四十三)重鉻酸及其鹽類 Dichromic acid and its salts | (四十四)烷基汞化物(烷基以甲基或乙基為限) Alkyl mercury compounds

tetradecyl：十四基

十四胺 tetradecy lamine | 十四基 tetradecyl | 十四烷基二甲基芐基氯化胺 tetradecyl benzyl dimethyl ammonium chloride

tridecyl：十三烷基

didecyl: 十二烷基 | tridecyl: 十三烷基 | tetradecyl: 十四烷基

T thymidine：胸腺嘧啶

SDS sodium dodecyl sulfate十二烷基硫酸鈉 | T thymidine胸腺嘧啶 | TEMED N,N,N,N-teral ethylene diamine N,N,N,N-四甲基乙二胺