1)isovaleraldehyde异戊醛
1.2,pH=10,crystallizing temperature=120 ℃,the selectivity of isovaleraldehyde was the best.2和晶化温度为120℃的条件下制备的Si-MCM-41载体对异丁烯氢甲酰化制异戊醛的选择性达最优。
2.The results showed that the conversion of isovaleraldehyde and the selectivity of 2,4,6-triisobutyl-1,3,5-trioxane achieved 76% and 95%,respectively.在[bm in]C l/FeC l3离子液体中由异戊醛合成2,4,6-三异丁基-1,3,5-三氧噁烷,转化率76%,选择性95%。
3.9 h~(-1) and isovaleraldehyde yield was 80.9 h-1;异戊醛的收率为80。
英文短句/例句
1.Studies on Catalysts for Isobutene Hydroformylation to Isovaleraldehyde;异丁烯氢甲酰化合成异戊醛用催化剂研究
2.Formation of Isovaleraldehyde in the Maillard Model Reaction System Consisting of Leucine and Reducing Sugar亮氨酸与还原糖组成的Maillard模型体系形成异戊醛
3.Supported Rhodium Phosphine Complex Catalysts for Isobutene Hydroformylation;异丁烯氢甲酰化合成异戊醛用担载型铑膦络合物催化剂研究
4.Study on Sythesis of Hydroxypivaldehyde by Paraformaldehyde and Isobutyraldehyde多聚甲醛和异丁醛合成羟基戊醛的工艺研究
5.The Synthesis of 1, 2-O-isopropylidene-α-D-pentadialdo-1, 4-furanose and Oxime Derivatives;1，2-O-异丙叉基-α-D-戊二醛-1，4-呋喃糖及其肟衍生物的合成
6.Contribution of Isoprene Emitted from Vegetable to Atmospheric Formaldehyde in the Ambient Air of Beijing City北京市植物排放的异戊二烯对大气中甲醛的贡献
7.di-iso-amyl iso-pentylphonate异戊基磷酸二异戊酯
8.Studies on the Novel Catalytic Materials Used in Catalytic Oxidation of Cyclopentene to Glutaraldehyde;环戊烯合成戊二醛催化新材料的研究
9.Study of Isobutene and Formaldehyde Condensation in One Step Synthesis of Isoprene on Silica Supported Copper Catalysts二氧化硅担载铜系催化剂上异丁烯与甲醛缩合一步生成异戊二烯的研究
10.LABORATORY STUDY ON CHINESE-MADE NEUTRAL GLUTARALDEHYDE Ⅰ. COMPARISON OF THE GERMICIDAL EFFECTS OF THE CHINESE-MADE GLUTARALDEHYDE AND IMPORTED GLUTARALDEHYDE国产中性戊二醛实验室研究 Ⅰ.国产中性戊二醛与进口戊二醛杀菌效果比较
11.The efficacy of alkaline glutaraldehyde in inactivating poliovirus was higher than that of acidic glutaraldehyde.碱性戊二醛对脊髓灰质炎病毒的灭活效果比酸性戊二醛强。
12.isobutylene-isoprene copolymer异丁烯－异戊二烯共聚物
13.At present, the main producing method of it is acraldehyde route.目前,戊二醛的主要工业生产方法为丙烯醛路线。
14.Discussion of the treatment of Formocresol (FC-ZOE)and Glutaradehyde (GA-ZOE)for pulpitis and periapical disease on primary teeth甲酚甲醛、戊二醛对乳牙牙髓尖周病的治疗探讨
15.Study on glutaraldehyde modified phenolic resin and phenolic foam properties戊二醛改性酚醛树脂及对泡沫塑料性能的研究
16.Experiments of Process of Mule Hide of Glutaraldehyde--Aluminium Combination Tannage戊二醛——铝结合鞣骡驹皮工艺试验
17.Observation of the Effect of Dulpotomy with 2% Glutaraldehyde on Deciduous Teeth;乳牙2%戊二醛活髓切断术疗效观察
18.Improve the Water Resistance of Soy-based Adhesive by using Glutaraldehyde戊二醛改性提高大豆胶粘剂耐水性能
相关短句/例句
Prenal异戊烯醛
3)isovalerhyde oxime异戊醛胯
4)isovaleraldehyde oxime异戊醛肟
5)phenylacetaldehyde diisoamyl acetal苯乙醛二异戊缩醛
6)valeraldehyde[v?l?'r?ldihaid]戊醛
1.Process of hydroformylation of butene mixture to produce valeraldehyde by using water - soluble rhodium - phosphine catalyst was studied.采用自制的水溶性铑膦体系催化剂,对混合丁烯氢甲酰化反应制戊醛的工艺进行了研究,得到的较优工艺参数为:反应温度100-120℃,反应压力3。
2.The effects of reaction temperature, reaction pressure, amount of 1-butene, concentration of surfactant and catalyst on the convertion ratio and selectivity in the process of preparing valeraldehyde from 1-butene using water-soluble rhodium-phosphine complex as catalyst were investigated.考察了采用水溶性铑膦催化体系将 1-丁烯氢甲酰化制备戊醛过程中的反应温度、压力、烯烃用量、表面活性剂的添加、催化剂浓度等因素对反应转化率及产物选择性的影响。
3.Solid basic catalysts for aldol condensation of valeraldehyde were prepared in the lab, and the effects of reaction conditions such as alkali metal, catalyst support, reaction temperature, pressure, LHSV were examined.自制了固体碱催化剂用于催化戊醛缩合反应 ,考察了碱金属、载体、反应温度、反应压力、空速等条件对反应的影响。
延伸阅读
异戊醛国标编号 32069 CAS号 590-86-3分子式 C5H10O;(CH3)2CHCH2CHO 分子量 86.13 无色液体，有苹果香味;蒸汽压 6.7kPa/25℃ 闪点:4℃;熔点 -51℃ 沸点:92.5℃;微溶于水，溶于醇、醚;相对密度(水=1)0.81;相对密度(空气=1)2.96;稳定性:稳定;危险标记:7(易燃液体);主要用途:用作食品原料、香精、试剂等 2.对环境的影响:一、健康危害侵入途径:吸入、食入、经皮吸收。健康危害:接触本品蒸气可引起胸部压迫感、上呼吸道刺激、眩晕、头痛、恶心、呕吐、疲倦无力等。二、毒理学资料及环境行为毒性:属微毒类。急性毒性:LD508910mg/kg(大鼠经口);3180mg/kg(兔经皮)危险特性:易燃，其蒸气与空气可形成爆炸性混合物。遇明火、高热能引起燃烧爆炸。与氧化剂能发生强烈反应。其蒸气比空气重，能在较低处扩散到相当远的地方，遇明火会引着回燃。燃烧(分解)产物:一氧化碳、二氧化碳。3.现场应急监测方法: 4.实验室监测方法:液-液萃取气相色谱法《水和废水标准检验法》19版译文，江苏省环境监测中心5.环境标准: 6.应急处理处置方法:一、泄漏应急处理迅速撤离泄漏污染区人员至安全区，并进行隔离，严格限制出入。切断火源。建议应急处理人员戴自给正压式呼吸器，穿消防防护服。尽可能切断泄漏源，防止进入下水道、排洪沟等限制性空间。小量泄漏:用活性炭或其它惰性材料吸收。也可以用大量水冲洗，洗液稀释后放入废水系统。大量泄漏:构筑围堤或挖坑收容;用泡沫覆盖，降低蒸气灾害。喷雾状水冷却和稀释蒸气、保护现场人员、把泄漏物稀释成不燃物。用防爆泵转移至槽车或专用收集器内。回收或运至废物处理场所处置。二、防护措施呼吸系统防护:可能接触其蒸气时，应该佩戴过滤式防毒面罩(全面罩)。眼睛防护:戴安全防护眼镜。身体防护:穿防静电工作服。手防护:戴橡胶手套。其它:工作现场禁止吸烟、进食和饮水。工作毕，淋浴更衣。保持良好的卫生习惯。三、急救措施皮肤接触:脱去被污染的衣着，用肥皂水和清水彻底冲洗皮肤。眼睛接触:提起眼睑，用流动清水或生理盐水冲洗。就医。吸入:迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难，给输氧。如呼吸停止，立即进行人工呼吸。就医。食入:饮足量温水，催吐，用清水或1%硫代硫酸钠溶液洗胃。就医。灭火方法:尽可能将容器从火场移至空旷处。喷水保持火场容器冷却，直至灭火结束。处在火场中的容器若已变色或从安全泄压装置中产生声音，必须马上撤离。灭火剂:抗溶性泡沫、干粉、二氧化碳、砂土。
