查詢詞典 pyridinium
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This thesis includes two parts. One part studied the two photon excited luminescent properties of thirty pyridinium compounds in solution, another part studied the two photon excited luminescence properties of HMASPS and HEASPS in polymer matrix.
論文分為兩個部分:第一部分研究的是吡啶鹽溶液的雙光子上轉(zhuǎn)換性質(zhì)狼人久久伊人无码中文网,第二部分研究的是吡啶鹽HMASPS和HEASPS在聚合體系中的雙光子上轉(zhuǎn)換性質(zhì)国产1在线观看。
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Because of the exciting prospect of this kind of materials by direct two photon excitation, thirty pyridinium compounds with six different donors and four different anions have been synthsized and their two photon excited luminescent properties have been studied.
由于這些材料誘人的應用前景欧美超级碰碰碰人妻,我們以這類吡啶鹽為研究對象0464信息网,合成并系統(tǒng)研究了包含6種推電子基、四種不同陰離子共30個吡啶鹽的雙光子上轉(zhuǎn)換發(fā)光性質(zhì)最新国产精品久久精品。
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With sodium acetate as catalyst, inosine was esterified with acetic anhydride in the yield of 92% to give 2',3',5'-triacetyl inosine, which was treated with pyridine and phosphorus oxychloride to form a pyridinium solution, followed by performing an amination at 40℃ and 0.25~0.30 MPa to achieve adenosine in the yield of 67%.
肌苷在醋酸鈉存在下與醋酸酐發(fā)生酯化反應以92%的收率得到2',3'黄网站在线观看免费播放,5'-三乙酰肌苷欧美a网址,其化合物經(jīng)吡啶和三氯氧磷處理形成吡啶鹽溶液,未分離直接在40℃曰本三级片网站、0.25~0.30 MPa壓力下進行氨解反應以67%產(chǎn)率制得腺苷a资源在线观看免费观看。
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The synthesis of designed for an organizing functionalized system by supramolecular interaction is emphasized. We have designed three series of compounds and explored their properties.1 Two asymmetry derivatives from pyridinium and their complexes have been synthesized and characterized.
合成了兩種不對稱吡啶衍生物,將它們和硫氰酸鹽組裝成了三種配合物免费毛片视频网址,得到了三個配合物單品在线观看黄色免费,并分別用紅外、核磁成年高清视频在线看免费观看、電噴霧亚洲欧洲天堂网、單晶解析現(xiàn)代化學手段進行了表征,研究了它們的固體熒光性質(zhì)妓女久久久久亚洲中文字幕。
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The floatation separation behaviuor of Pd (superscript 2+) by KBr-cetyl pyridinium bromide system in the presence of NaNO3 and the conditions for the separation of Pd (superscript 2+) from other metal ions were studied.
研究了硝酸鈉存在下欧美性交农夫导航,溴化十六烷基吡啶-溴化鉀體系浮選分離鈀的行為及與一些金屬離子分離的條件。
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In order to solve the problems of complex cellulose production process and serious pollution, The paper investigated the solubility of cotton stalk cellulose in ionic liquid N-ethyl pyridinium bromide. The structural differences between cotton stalk cellulose and cellulose regenerated from the ionic liquid were investigated using infrared spectroscopy and chemical analysis. Recovery ratio of ionic liquids was also studied.
為解決纖維素生產(chǎn)加工過程復雜且污染嚴重問題你懂的小电影,試驗探討了棉稈纖維素在離子液體溴代N-乙基吡啶中的溶解性能国模视频,采用紅外光譜等手段對棉稈纖維素在離子液體中溶解和再生前后的結(jié)構(gòu)變化進行了分析性无码专区一级,并探討了離子液體的回收。
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The results of intrinsic viscosity,elemental content and gel permeation chromatographic analyses showed the extent of biodegradation during the biological treatment increased with the content of pyridinium group in the polymer.
生物耗氧處理過程中該陽離子聚體片材的特性粘度国产免费性生活视频、元素含量和凝膠滲透色譜分析的結(jié)果表明:聚合物中吡啶鹽含量越大者又色又爽又黄的黄网站18禁,其生物降解性就越顯著。
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The enhancement of the reaction activity is attributed to the phasetransfer capability of the built-in quaternary ammonium and pyridinium salts of theMn catalyst.
分子內(nèi)季銨鹽和吡啶鹽具有相轉(zhuǎn)移能力欧美日韩操,對于取代色烯不對稱環(huán)氧化的作用與外加的吡啶鹽和鹵化銨的作用相似欧美日韩国产啊啊啊,使Mn催化劑催化取代色烯環(huán)氧化反應的活性明顯提高。
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Cetyl pyridinium bromide monohydrate is used to exchange the metal irons in the innerlayers of sodium-based bentonite which is used as raw material and the organobentonites are obtained with orthogonal technique by changing the reaction conditions such as reaction time,reaction temperature,pH,the quantity of quaternary ammonium,and the ratio of bentonite to water.
采用正交L16(45)實驗法国产黄色无码一级视频,以Na基膨潤土為原料337啪啪肉体,用溴化十六烷基吡啶為插層劑,與膨潤土層間的金屬離子進行離子交換一级做受毛片免费大片一级做一级,通過改變反應溫度免费2级黄网站、反應時間、pH值av有效网站、固液比啊啊插进去在线观看免费网站视频、季銨鹽添加量5個因素,得到不同條件下的有機膨潤土一级欧美在线。
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The results show that Pd (superscript 2+) combines with KBr and cetyl pyridinium bromide into a ternary ion association precipitate2(PdBr4) in the aqueous solutions, which floated above the surface of water phase with clear interface.
結(jié)果表明中文字幕熟女av一区二区绿萝,在水溶液中,Pd(上標2+)與溴化鉀思思99影院在线观看、溴化十六烷基吡啶形成不溶于水的三元締合物2(PdBr4)自拍偷2,此三元締合物可浮于水相上層分成界面清晰的液-固兩相。
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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.
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Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.
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Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...
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