甲苯
- 与 甲苯 相关的网络例句 [注:此内容来源于网络,仅供参考]
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At first, Polyaniline was synthesized by the improved chemical oxidation technique, then, PANI/HCl, PANI/TSA and PANI/DBSA were obtained by doping emeraldine with HCl, 4-methyl benzene sulfonic acid and dodecylbenzene sulfonate acid, separately. Leucoemeraldine was obtained in the N-dimethylformamide by using phenylhydrazine deoxidizing emeraldine in N_2 atmosphere.
本文首先通过改进合成条件的化学氧化法合成了聚苯胺,经氨水脱掺杂获得本征态聚苯胺,再经盐酸、对甲苯磺酸、和十二烷基苯磺酸掺杂,分别获得到质子酸掺杂的聚苯胺样品,然后在N,N-二甲基甲酰胺中,利用苯肼,在N_2氛围下还原本征态聚苯胺得到还原态的聚苯胺。
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All results point to that 7%wt plasticizing agent add into PA1010 can receive high ensile strength and impact strength.
将这种热致液晶聚酰胺与尼龙1010共混,并加入N-乙基-对-甲苯磺酰胺作为增塑剂,进行了结构与性能的研究。
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3A biomimetic catalytic system M_n/CH_3CHO has been used in the selective oxidation of p-chlorotoluene.The effects of the center metal ions,the amount of catalyst and ethanal,the oxygen pressure,the reaction time,and the reaction solvents on the selective oxidation were investigated.
3将M_n/CH_3CHO仿生催化体系用于对氯甲苯的选择性氧化,研究了不同中心金属离子、催化剂用量、乙醛用量、氧气压力、反应时间及反应介质对反应的影响。
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P-toluene sulphonic acid catalyst ; ethanediol ; 1; 4-dioxane synthesis
对甲苯磺酸;催化;乙二醇; 1; 4-二氧六环
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The results showed that solubility of nitrobenzenamine and etherate increased with temperature increasing.
实验结果表明硝基苯胺和醚化物在二甲苯和甲苯中的溶解度均随温度的升高而增加。
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Solubility of nitrobenzenamine in xylene was higher than that in toluene,but solubility of etherate was nearly the same in the two solvents.
硝基苯胺在二甲苯中的溶解度要大于甲苯中的溶解度,而醚化物在两种溶剂中的溶解度相当。
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Solubilities of 4,5-dichloro-2-nitrobenzenamine and etherate were experimentally determined.
测定了4,5-二氯-2-硝基苯胺和醚化物在二甲苯和甲苯中的溶解度。
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The long wave ultraviolet grass green fluorescence function material is synthesized with the p-toluensulfonyl chloride and o-amino benzoic acid as raw materials,pyridine as solvent,and sodium ethoxide as activator.
缑卫军,刘新奇,紫外长波草绿荧光功能材料的合成研究以对甲苯磺酰氯和邻氨基苯甲酸为原料,吡啶为溶剂,乙醇钠为催化剂,合成紫外长波草绿荧光功能材料。
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Ib was synthesized by condensation of phthalic anhydride with 2-methylresorcinol in fused AlCl〓/NaCl (5∶1), followed by selective acetylation, methylation, NBS bromination and condensation with sodium ethoxide.
邻苯二甲酸酐在熔融的三氯化铝-氯化钠(5:1)中和-2,6-二羟基甲苯环合得1,3-二羟基-2-甲基蒽醌〓后经选择性乙酰化、甲基化、NBS溴化、乙醇钠缩合得1-甲氧基-2-乙氧甲基-3-羟基蒽醌。
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In this work , 1,8-octodiol, the starting material, reacted with 40% hydrobromic acid to produce 8-bromooctan-1-ol, with the catalytic action of PPTs, its hydroxyl group was protected by 2,3-dihydropyran. Then it coupled with 1-heptaalkyne, by means of P-2 nickel as catalyst, stereoselectivity catalysis hydrogenated, with the catalytic action of acid to take off extremital 2, 3-dihydropyran which protected hydroxy group, then used PCC to oxidize alcohol into corresponding aldehyde.
以1,8-辛二醇为原料,与40%氢溴酸进行单溴代反应,得到8-溴-1-辛醇,在对甲苯磺酸吡啶盐的催化下与2,3-二氢吡喃反应,保护分子中的羟基,再与1-庚炔进行偶联,以P-2镍为催化剂立体选择性催化加氢,酸性条件下脱末端的2,3-二氢吡喃对羟基的保护,使用氯铬酸吡啶盐将醇氧化成醛。
- 推荐网络例句
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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.
最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。
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Only person height weeds and the fierce looks stone idles were there.
只有半人深的荒草和龇牙咧嘴的神像。
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This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.
这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。