- 更多网络例句与丙酮的相关的网络例句 [注：此内容来源于网络，仅供参考]
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The catalysts used in the preparation of di acetone alcohol by the Aldol condensation were studied in detail, and a new kind of catalyst Ca 2/Al 2O 3 is developed.
对丙酮经Aldol缩合制二丙酮醇的催化剂进行了研究，研制出新型催化剂Ca 2 /Al2 O3，这种催化剂对丙酮的缩合反应具有较理想的活性及选择性。
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Acetone is mainly used as solvent, and for production of acetone cyanohydrin, MMA and bisphenol A secondly.
丙酮主要用做溶剂，其次是生产丙酮氰醇、MMA和双酚A.2004年我国丙酮的产能为30.1万t/a，主要生产厂家有上海高桥石化、燕山石化、吉林化学工业公司和哈尔滨华宇股份有限公司。
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Acetone is mainly used as solvent, and for production of acetone cyanohydrin, MMA and bisphenol A secondly. In 2004 the capacity of acetone in China was 301kt/a. The main producers of acetone in China are Shanghai Gaoqiao Petrochemical Corporation, Beijing Yanshan Chemical Corporation, Jilin Chemical Industry Corporation and Harbin Huayu Co., Ltd.
丙酮主要用做溶剂，其次是生产丙酮氰醇、MMA和双酚A.2004年我国丙酮的产能为30.1 万t/a，主要生产厂家有上海高桥石化、燕山石化、吉林化学工业公司和哈尔滨华宇股份有限公司。
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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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The invention solves the problems that the prior acetone air sensitive material can not response to acetone gas selectively due to the existence of ethanol and normal propyl alcohol, and has high minimal detection limit to the acetone.
它解决了现有丙酮气敏材料由于乙醇、正丙醇的存在无法对丙酮气体进行选择性响应，及对丙酮的最低检测限较高的问题。
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objective to determine the contents of residual acetone in acetoacetic ester,the raw material for the synthesis of edaravone, by gas chromatography.methods sample solution was injected on a gdx column (0.18 mm～0.25 mm) with nitrogen as the carrier gas.the residue was calculated by the external standard method.results the linearity was good over the range of 25 μg/ml～400 μg/ml,with the correlation coefficient of acetone being 0.996 and the average recovery 96.8%.conclusions the method was proved to be simple,rapid,practical and highly sensitive.it is an efficient method for the quality control of acetoacetic ester.
摘要］ 目的：用气相色谱法测定依达拉奉合成起始原料乙酰乙酸乙酯中丙酮的残留量。方法：采用固定相为二乙烯苯乙基乙烯苯型高分子多孔小球（直径为0.18 mm～0.25 mm），氮气为载气，用外标法测定乙酰乙酸乙酯中残留丙酮的含量。结果：该方法在丙酮浓度范围在25 μg/ml～400 μg/ml内呈良好的线性关系，响应曲线相关系数为0.996，平均回收率为96.8%。结论：本法简便，快速、实用，灵敏度高，可有效地用于乙酰乙酸乙酯的质量控制。
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The use ofβ-cyclodextrin can make oximation of acetylacetone happened without sulfuric acid and at high temperature.
9使用环糊精催化乙酰丙酮肟化反应，可在不使用硫酸，较高温度下实现乙酰丙酮的肟化反应。
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The simulation results show that the free energy of hydrogenation of acetylacetone iron to prepare enol-acetylacetone is less than that of the reaction to produce keto-acetylacetone at the same temperature.
计算结果表明：相同温度下，乙酰丙酮铁加氢生成烯醇式乙酰丙酮的反应自由能小于生成酮式结构乙酰丙酮的反应自由能；乙酰丙酮铁加氢更倾向于生成烯醇式结构的产物。
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A new convenient synthesis of a series of 1-aryl-2-propanones using aromatic amines as precursors, via diazo reaction and improved Meerwein arylation reaction under mild conditions, was achieved. In addition, 1-[3,5-bisphenyl]-2-propanone is a new compound among the synthesized compounds. This approach is an efficient synthetic method for the aryl-propanones with the different substituting groups.
以芳香胺为原料，经重氮化和改进的Meerwein芳基取代反应，合成了一系列的1-芳基－2-丙酮，其中1-（3，5-二三氟甲基苯基）2-丙酮是一个新化合物改进后的方法简化了合成步骤，提高了收率，可方便地用于在苯环上具有不同取代基的芳基丙酮的合成。
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The reaction catalyzed by DAK converts DHA into dihydroxyacetone phosphate which is no toxic and can be ustilized by yeast cells. DAK presents in most organisms. DAK genes in the Saccharmyces cerevisiae and P. pastoris were cloned and characterized by a combined genetic and biochemical approach and the proteins encoded by these DAK genes are homodimer.
二羟基丙酮对酵母细胞来说是种有毒的化合物，在酵母菌中二羟基丙酮激酶参与二羟基丙酮的脱毒作用，DAK催化的反应使二羟基丙酮磷酸化，形成无毒性的磷酸二羟丙酮，可为酵母细胞所利用。
- 更多网络解释与丙酮的相关的网络解释 [注：此内容来源于网络，仅供参考]
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acetonemia：丙酮血症
这是一般人的能量代谢主途径.一般人很难去使乙醯丙酮(acetylacetone)代谢成能量,尤其是糖尿病患者,血液中的醣份不够,就会燃烧脂肪,产生乙醯酮体,此种酮体太多就会昏倒休克,是为丙酮血症(acetonemia).然正常人做19小时断食数次以后,
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Py：丙酮酸
在MgCl2存在下,它催化D-甘油醛-3-磷酸(D-GAP)和丙酮酸(Py)缩合生成DXP. 同时,DXP又是1-脱氧-D-木酮糖5-磷酸酯还原酶(DXR)的底物,而DXR是萜类化合物生物合成的MEP途径中一个重要的限速酶,它催化DXP异构化为具有分支结构的MEP,
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pyruvate：丙酮酸盐
Zinc Pyruvate:从技术上来说,丙酮酸盐(pyruvate)实际上是高度不稳定的丙酮酸盐酸(pyruvateacid)和一些为了稳定丙酮酸盐酸(pyruvateacid)而加的物质如钙、钠或钾的结合物.
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indole pyruvic acid：吲哚丙酮酸
(1)吲哚丙酮酸途径 色氨酸通过转氨作用,形成吲哚丙酮酸(indole pyruvic acid)再脱羧形成吲乙醛(indole acetaldehyde),后者经过脱氢变成吲哚乙酸. 许多高等植物组织和组织匀浆提取物中都发现上述各步骤的酶,特别是将色氨酸转化为吲哚丙酮酸的色氨酸转氨酶.
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acetonic：丙酮的
acetonemiaketonemiaoxonemia 丙酮血 | acetonic 丙酮的 | acetonide 丙酮化合物
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pyruvic：丙酮酸的
\\"丙酮酸盐\\",\\"pyruvate\\" | \\"丙酮酸的\\",\\"pyruvic\\" | \\"丙酮酸\\",\\"pyruvic acid\\"
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isopropyl alcohol process for acetone：异丙醇法生产丙酮的工艺
isopropyl acetate ==> 醋酸异丙酯 | isopropyl alcohol process for acetone ==> 异丙醇法生产丙酮的工艺 | isopropyl benzene hydroperoxide ==> 异丙苯过氧化氢
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acetone oil：丙酮油[高沸点溶剂]
acetone number 丙酮值[鉴定原油聚合度的方法,丙酮值愈大,聚合度愈大] | acetone oil 丙酮油[高沸点溶剂] | acetone peroxide 过氧化丙酮
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phenylketonuria：苯丙酮尿症
PKU 苯丙酮尿症(phenylketonuria)的缩写,一种遗传病,其症状是尿中出现超出常规水平的苯丙酮酸. 苯丙酮尿症,又称苯酮尿症(phenylketonuria,缩写为PKU)是一种氨基酸代谢缺陷,患者肝脏中缺乏苯丙氨酸羟化酶,使得食物中的苯氨酸无法转化为酪氨酸,
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phenylketonuria,PKU：苯丙酮尿症
苯丙酮尿症(phenylketonuria' PKU)是较常见的氨基酸代谢异常性疾病之一. 本症系因先天性苯丙氨酸羟化酶缺乏,使苯丙氨酸羟化为酪氨酸的过程受阻,造成苯丙氨酸及其代谢产物在体内蓄积,引发一系列神经系统和骨骼结构损害,并在尿中出现大量苯丙氨酸及苯丙酮酸等物质,