In the first part, five new 4-acyl pyrazolone 4-ethyl-thiosemicarbazones compounds: 1-Phenyl-3-methyl-4-(4-bromo)benzal-pyrazol-5-one N(4)-ethyl-thiosemicarbazone (PM4Br BP-ETSC), 1-Phenyl-3-methyl-4-(4-methyl)benzal-pyrazol-5-one N(4)-ethyl-thiosemicarbaz -one (PM4MBP-ETSC), 1-Phenyl-3-methyl-4-benzal-pyrazol-5-one N(4)-ethyl-thiosemicarba -zone, 1,3-diphenyl-4-benzal-pyrazol-5-one N(4)-ethyl-thiosemicarbazone and 1-Phenyl-3-methyl-4-phenylacetyl-pyrazol-5-one N(4)-ethyl-thiosemi -carbazone have been synthesized and characterized by elemental analyses, IR, 1H NMR spectra and single-crystal XRD.

第一部分合成了五個4-酰基吡唑啉酮縮4-乙基-氨基硫脲化合物：1-苯基-3-甲基-4-（4-溴）苯甲醪莶菥攀悠翟谙吖劭矗基-5-吡唑啉酮縮4-乙基-氨基硫脲(PM4BrBP-ETSC)，1-苯基-3-甲基-4-(4-甲基)苯甲酰基-5-吡唑啉酮縮4-乙基-氨基硫脲(PM4MBP-ETSC)黄色十八岁网站，1-苯基-3-甲基-4-苯甲酰基-5-吡唑啉酮縮4-乙基-氨基硫脲精品人成视频免费国产，1欧美性人成三级视频，3-二苯基-4-苯甲酰基-5-吡唑啉酮縮4-乙基-氨基硫脲和1-苯基-3-甲基-4-苯乙跖访谰貌荩基-5-吡唑啉酮縮4-乙基-氨基硫脲日韩在线综合自拍视频网站免费，其中前四個具有光致變色性質(zhì)。

MCM-41, HMS, and MSU mesoporous silica molecular sieves were prepared via S〓I〓, S〓X〓I〓, S〓I〓, and N〓I〓 assembly pathway, in which cetylpyridium bromide, tetredecylamine, and polyoxyethylene (10) stearyl ether was used as the template, respectively. The mesostructures were characterized and confirmed by XRD, N〓 adsorption/desorption, TG, and high resolution TEM. The difference and relationship between these mesophases were also investigated.

分別以溴代十六烷基吡啶别揉我奶头视频一区、十四胺和十八烷基聚氧乙烯基醚為模板劑亚洲全网黄色网站，通過S〓I〓、S〓X〓I〓黄色网站操一操、S〓I〓和N〓I〓&超分子組裝模式&合成了具有MCM-41理论片235影院、HMS和MSU結(jié)構(gòu)的介孔SiO〓分子篩，用XRD、N〓吸附/脫附看中国免费黄色视频A、TG和高分辯TEM等方法對它們的骨架和孔道結(jié)構(gòu)進(jìn)行了表征jizzjizz日本高清视频免费，并系統(tǒng)地比較了這幾種介孔結(jié)構(gòu)之間的區(qū)別與聯(lián)系

Titanium incorporated mesoporous molecular sieves Ti-MCM-41, Ti-HMS, and Ti-MSU were synthesized through S〓I〓, S〓I〓, and N〓I〓 pathways using cetylpyridium bromide, tetredecylamine, and polyoxyethylene (10) stearyl ether as the structure-directing agents, respectively. The framework structure and the titanium coordination environment of these materials were characterized by XRD, N〓 adsorption/desorption, TG, TEM, FT-1R, DR UV-Vis, and ICP-AES. It was confirmed that the titanium was highly dispersed in the silica-based framework positions, and all samples were free of extra framework titanium impurities. The catalytic performance of these titanium containing mesoporous materials was investigated in the oxidation of styrene with aqueous H〓O〓 as the oxidant.

以TEOS和TBOT為硅源和鈦源，分別以溴代十六烷基吡啶欧美熟女高潮、十四胺和十八烷基聚氧乙烯基醚為模板劑久久美女夫妻性爱真实视频，通過S〓I〓、S〓I〓和N〓I〓方式合成了含鈦的介孔分子篩Ti-MCM-41国产色一区二区免费视频、Ti-HMS和Ti-MSU欧美国产A片免费久久，用XRD、N〓吸附/脫附乱人伦中文视频在线一区二区三区、TEM一级片电影网站、FT-IR、DR UV-Vis和ICP-AES等方法對它們的骨架結(jié)構(gòu)国产免费黄色视频一区二区三区、孔道結(jié)構(gòu)以及鈦原子的存在方式等進(jìn)行了系統(tǒng)表征最黄视频一区二区三区免费观看，結(jié)果表明鈦原子以高分散的形式存在于以SiO〓為基本單元的介孔分子篩的骨架結(jié)構(gòu)中，制備過程中未形成聚集態(tài)的骨架外金屬氧化物物種久久国产精品高跟丝袜美腿。

Under the conditions of suitable pH, chondroitin sulfate was reacted with cationic surfactant, such as tetradecyl pyridinium bromide, tetradecyl dimethyl benzyl ammonium chloride, cetyl pyridinium chloride monohydrate and cetyl trimethyl ammonium bromide, to form stable association microparticles.

在適宜的pH條件下欧美粗硬大，硫酸軟骨素可與溴代十四烷基吡啶等陽離子表面活性劑形成穩(wěn)定的締合物微粒。

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.

運用核磁共振一維氫譜和自擴(kuò)散實驗方法研究了聚乙烯乙二醇異辛酚醚(TX-100)欧美激情1、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)變免费观看黄网站色视频免费，發(fā)現(xiàn)它們在臨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）。

2AN oxygen radicle benzene Mao water solution reaction process in, the hydrogen bromine is sour with acetic acid Mo Er compare for 1:be tetrahydroxy and 2 mols at 1:00|weigh to crystallize in the L hydrochloric acid aqua, the product accepts to lead superior turn

甲氧基苯醌水解反應(yīng)過程中黄性视频在线，當(dāng)氫溴酸與醋酸摩爾比為1：1時欧美自拍日韩极速视频直播，四羥基苯醌與2mol/L的鹽酸溶液中重結(jié)晶產(chǎn)品收率最佳

At the same time, the intensity ratio of the ICT fluorescence to the LE fluorescence, I〓/I〓, shows a "bell"-shaped variation with increasing CTAB concentration The intensity ratio was found to level off after the CMC of CTAB Together with the data from UV-Vis absorption spectroscopy, electric conductance measurements and the control experiments with tetramethylammonium bromide, it was concluded that the"bell"-shaped variation in the intensity ratio before CMC is due to the formation of premicelle aggregates consisting of ICT fluorophore and CTAB.

此時，ICT熒光強度與LE熒光強度之比国产精品无码毛片，I〓/I〓隨CTAB濃度增大而呈&鐘形&變化三级黄色美女网站。當(dāng)CTAB濃度高于CMC時，I〓/I〓為一常數(shù)凹凸视频黄色网站在线观看。根據(jù)紫外-可見吸收光譜美女被cao喷水视频在线观看，電導(dǎo)以及四甲基溴化銨對照實驗的結(jié)果可知，當(dāng)CTAB濃度低于其CMC時亚洲欧美国产一区二区三区，I〓/I〓的&鐘形&變化是由于長鏈對二烷基氨基苯甲酸與CTAB組成的膠束前簇集體形成所致91绿色在线视频观看。

A novel macromonomer,polystyrene capped with thienyl group,which can undergos oxidation coupling polymerization,has been synthesized by anionic polymerization of styrene with butyl lithium as the initiator and 3-bromo-thiophene as the terminator.

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First, the geometry optimization for 1-phenyldibenzophosphole and triphenylphosphine were carried out using quantum chemical AM1 method.

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At first, Oil phase conductivity change tendency is texted in this article, after mixed solution of Benzene,Tetrabutylammonium Bromid,cosurfatant which is added in KBr aqueous solution with different concentration, migration process of TBAB to the aqueous phase is studied.

本文首先通過電導(dǎo)率法測定了苯精品女同一区二区三区在线、四丁基溴化銨、助表面活性劑混合溶液中加入不同濃度的KBr水溶液震蕩后油相電導(dǎo)率變化趨勢啪啪黄色视频免费看，研究TBAB向水相遷移的過程久久精品国内久精国品。