- 更多网络例句与亚丙酮基相关的网络例句 [注：此内容来源于网络，仅供参考]
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Objective: To establish a method for detection of mesityl oxide in the air of workplace by GC chromatography.
目的：建立工作场所空气中异亚丙基丙酮的采样和测定方法。
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Objective: To establish a method for mesityl oxide in the air of workplace by GC -MS.
目的 建立工作场所空气中异亚丙基丙酮气质联用测定方法。
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The method meets the requirements of Regulation of Studies on the Determination of Toxicants in the Air of Workplace. It is suitable to determine the mesityl oxide in the air of workplace.
本方法各项指标达到《工作场所空气中有毒物质检测方法研制规范》要求，适用于工作场所空气中异亚丙基丙酮的测定。
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The method is meet the requirements of Regulation of Studies on the Determination of Toxicants in the Air of Workplace.It is suitable to determine the mesityl oxide in the air of workplace.
本方法各项指标达到《工作场所空气中有毒物质检测方法研制规范》要求，适用于工作场所空气中异亚丙基丙酮的测定。
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Results: The good linear range of method was 10 to 1000μg/ml (T=0.9999) with the correlation coeffivient of 0.9999, and the limit concentration in air was 0.2 mg/m^3 with the average relative standard deviation less than 5%(n=6). The average sampling rate ranged from 96.6 to 100%, and the breakthrough capacity of l00mg activated charcoal was 4.7mg. The average desorption rate was 97.6%, and mesityl oxide absorped in activated charcoal tube was stable for 7 days and can be detected accurately with other gas coexisting in the air of workplace.
结果：异亚丙基丙酮浓度在10~1000μg/ml内呈良好线性关系，相关系数0.9999，最低检出浓度为0.2mg/立方公尺，相对标准偏差＜5%(n=6)；气体采样效率≥96.6%，100mg活性炭对异亚丙基丙酮的穿透容量为4.7mg，平均解吸效率97.6%；活性炭样品室温下可保存7天；丙酮、丁酮、异佛尔酮、苯、甲苯、二甲苯等共存物不干扰测定。
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Chapter 4: Synthesis of 1,5-diary 1-1,4-pentadien-3-ones from acetone or benzalacetone with aromatic aldehydes results in 86-97% yield with potassium hydroxide as catalyst under ultrasound irradiation in 5-60min.
为合成氰基环己醇找到一条方便高效的合成方法。第四章：研究了超声辐射下，以氢氧化钾为催化剂，芳香醛与丙酮及亚苄基丙酮之间反应合成1，5-双苄基-1，4-戊二烯-3-酮。
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This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.
本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能，共由以下六部分组成：1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应；2、亚甲基环丙烷类化合物开环产物的偶联反应；3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应；4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应；5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应；6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1，3-偶极环加成反应。
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However, when trans-4-aryl-3-buten-2-ones were taken as the substrates, the electron-rich but less sterically hindered ligand 9c gives the best results (up to 96.4 % ee) with highly catalytic activity.
而富电子但空间位阻小的配体9c对亚节基丙酮类底物获得最好的结果(%。4%ee)，同时还表现了最好的化学活性。
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The factors which mostly affect the quality and output of the product including molar proportion of reagents, reaction temperature, alkaline concentration and reaction time are analyzed. After orthogonal experiment, it is concluded that the optimized reaction condition is that acetone and furfural are charged with equal molar quantities at 40 with sodium hydroxide (0.10 mol/L) and the operation time 5 h.
通过对影响亚糠基丙酮质量和收率的主要因素原料配比、反应温度、碱浓度、反应时间等单因素实验，探索出合成亚糠基丙酮的优化反应条件为：原料配比n：n=1.0：1.0、反应温度40℃、氢氧化钠溶液浓度为0.01 mol/L、反应时间5h。
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The results showed 3 types of aluminum compound prepared in this paper all had good poison protection effectiveness on such impurities as stannous chloride,lead oxide,sodium hydrogen sulfate,and so on.Moreover,the mechanism of the poison of catalyst was also discussed.
结果表明，合成的3种防中毒剂即防－1、防－2(主要成分为乙酰丙酮合铝)及防－3(主要成分为二乙酰丙酮基异丙氧基铝)对二月桂酸二丁基锡、氯化亚锡、二正丁胺、硫脲、氧化铅及硫酸氢钠等杂质均有较好的防中毒作用；不同防中毒剂对不同杂质的防中毒作用有一定的选择性。
- 更多网络解释与亚丙酮基相关的网络解释 [注：此内容来源于网络，仅供参考]
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mesityl oxide：异亚丙基丙酮
磺胺 sulfamide | 异亚丙基丙酮 Mesityl oxide | 频哪酮 Pinacolone
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mesityl oxide：(一六一) 异亚丙基丙酮
(一四九) 氯甲烷 Methyl chloride | (一六一) 异亚丙基丙酮 Mesityl oxide | (一六二) 吗啉 Morpholine
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acetonyl methyl ether：丙酮基甲基醚
亚硝乙醛肟 acetonitroso oxime; nitrosoacetaldoxime | 丙酮基甲基醚 acetonyl methyl ether | 丙酮脲 acetonyl urea
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acetonylidene：亚丙酮基
acetonyl | 丙酮基 乙酰甲基 | acetonylidene | 亚丙酮基 | acetophen | 阿西托芬
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benzalacetone：亚苄基丙酮
benzal pinacolone 亚苄基叔已酮 | benzalacetone 亚苄基丙酮 | benzaldehyde 苯甲醛
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benzalacetophenone dibromide：亚苄基乙酰苯化二溴
benzalacetone | 苯亚甲基丙酮 | benzalacetophenone dibromide | 亚苄基乙酰苯化二溴 | benzalacetophenone | 亚苄基乙酰苯
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benzalacetophenone; chalcone; benzylideneacetophenone：苯基苯乙烯基酮;查酮;亚苄基苯乙酮
二溴化苯乙烯基苯基酮 benzalacetophenone dibromide | 苯基苯乙烯基酮;查酮;亚苄基苯乙酮 benzalacetophenone; chalcone; benzylideneacetophenone | 亚苄乙酰丙酮 benzalacetylacetone
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benzylidene acetone：亚苄基丙酮
benzylcarbinol 苯基乙醇 | benzylidene acetone 亚苄基丙酮 | benzylidene chloride 苄叉二氯
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Mesityl ox ide：(一 一) 亚丙基丙酮
(一四九) 氯甲烷 Methyl chloride | (一 一) 亚丙基丙酮 Mesityl ox ide | (一 二) 吗啉 Morpholine
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phorone：佛尔酮 二异亚丙基丙酮
phorometry 隐斜视测量术 | phorone 佛尔酮 二异亚丙基丙酮 | phoronomics 纯运动学 运动学