丙腈

以月桂酸甲酯和β氨基丙腈为原料，在有机相中经脂肪酶催化合成N月桂酰β氨基丙腈（LAP）。

Lipase catalyzed synthesis of N lauroyl β amino propionitrile in organic media was studied .

在此实验条件下反应24h后，β氨基丙腈的最高转化率为96.8%

The highest conversion of β amino propionitrile 96.8 % was obtained under the optimal conditions after 24 h.

试验表明：低负载催化剂Pd（0.05w.t%）/Al2O3对丙烯腈气相加氢制丙腈选择性高，产物中检测不到丙腈以外的物质；并且低负载催化剂抗中毒能力比高负载催化剂强。

The experiments indicated that Pd ( 0.05 wt. % ) / Al2O3 showed a good selectivity to propionitrile since no other product but propionitrile was identified , and a better ability resisting deactivation was also perceived compared with high-loaded palladium catalysts .

采用Bucherer-Bergs环化法，以2-甲基-2-羟基丙腈和碳酸铵为原料合成5,5-二甲基海因。

Dimethylhydantoin has been synthesized by Bucherer Bergs cyclization using acetone cyanohydrin and ammonium carbonate . The bath processes were investigated .

目的：研究不同剂量的3,3-亚氨基二丙腈（IDPN）对豚鼠的听功能、形态学的影响，探讨IDPN的耳蜗毒性；

Objective : To investigate the alterations of hearing function and cochlear morphology following 3,3 ' - iminodipropionitrile ( IDPN ) exposure and to explore the ototoxicity of IDPN in guinea pigs .

用10节单电池组成了全钒液流电池组，每节单电池有效电极面积为451.4cm2，电极材料为聚丙腈石墨毡，双极板为石墨板，隔膜为Nafion膜。

The all-vanadium redox flow cell stack composed of 10 cells was made . The electrode effective area of every cell is 451.4 cm2 . Polyacrylonitrile ( PAN ) - based graphite felts were used as electrode materials , graphite plate as bipolar plate , Nafion membrane as separator .

3-羟基丙腈（HPN）是合成多种医药、农药、高分子材料等的重要原料和中间体，可合成抗肿瘤药物环磷酰胺、治疗心血管病药物心得安和心可定。

3-Hydroxypropionitrile ( HPN ) is an important intermediate in organic synthesis of medicines , pesticides and macromolecules . It can be used in synthesis of antitumor medicine cyclophosphamide as well as propranolol and segontin , which are the medicines for treating cardiovascular diseases .

并用动态实验研究了HPN浓度、流速、盐浓度对NKA-Ⅱ树脂吸附能力的影响，将NKA-Ⅱ树脂直接用于丙烯腈水合反应液中羟丙腈的分离提取，回收率高于90%。

The influence of HPN concentration , current velocity and salt concentration on adsorption ability of NKA - ⅱ resin was also studied by dynamic adsorption experiments . When the acrylonitrile hydration mixture was adsorbed by NKA - ⅱ resin , the yield of HPN is more than 90 % .

在最佳反应条件下，羟丙腈的收率达到92.9%。

Under optimum conditions the yield of HPN was 92.9 % .

有机相脂肪酶催化的有机物合成反应有机相酶促合成N-月桂酰-β-氨基丙腈

Lipase-Catalyzed Synthesis of N-Lauroyl - β - Amino Propionitrile in Organic Media

在此条件下羟丙腈的摩尔产率达85%，催化剂经重复使用12次，活性没有降低。

After 12 times of reaction , no obvious decrease in activity of catalyst is observed .

羧基封端丁二烯-丙腈共聚物

Carboxyl-terminated butadiene acrylonitrile copolymer

缩合一步的原料β-苯胺基丙腈市场难以购到，为自行合成。

The material in the step of condensation which is bought in difficult in the market was synthesized by ourselves .

聚丙腈基碳纤维的生产主要分为两步，第一步是聚丙烯腈原丝的生产，第二步是原丝的预氧化和碳化。

The first step is the production of PAN precursor . The second one is the pre-oxidation and carbonization of PAN precursor .

研究结果表明，在最佳优化工艺条件下，以丙腈为基准计算乙嘧硫磷的总收率为63.0%，原油含量为74.0%。

The total yield of etrimfos was up to63.0 % with the purity of74 % based on the propionitrile , under the optimum reaction conditions .

反应液经大孔吸附树脂（NKA-）分离浓缩，羟丙腈的分离回收率高于95.0%。浓缩液在减压下精馏可得到含量>99.0%的羟丙腈。

The purified HPN ( > 99.9 % ) was obtained by rectification under vacuum after separation and concentration by NKA - ⅱ macroporous adsorption resin .

稀土元素对钯催化剂的修饰能够极大地促进丙烯腈选择性气相加氢制丙腈的活性和稳定性。

The modification of rare earth elements to palladium catalysts leaded to great promotion on both the activity and stability in selective gas hydrogenation of acrylonitrile to propionitrile .

采用氢火焰离子化鉴定器，以ββ′-氧二丙腈为固定液，在8米长的色谱柱上，测定聚合级环戊烯中的微量杂质。

The determination for trace impurities in polymer grade cyclopentene has been made by means of a flame ionization detector on 8m . column with liquid phase ββ ' - oxydi-propionitrile .

β-氨基丙腈对兔胆管良性狭窄的作用植树细胞中丙氨酸和亮氨酸、缬氨酸的主要前体是丙酮酸。

The Effects of β - Aminopropionitrile on Benign Biliary Stricture in Rabbit In plant cells the principal precursor of alanine , as well as leucine and valine , is pyruvate .

本文报道了用带有电子捕获检测器和β，β′-氧二丙腈柱的气相色谱仪测定石脑油中微量有机氯总量、氯化物的存在形式及分布状况。

A method for the determination of total trace organic chlorine content , its existing forms and distribution of chloride in naphtha by gas chromatography with a column of β,β ' - oxydipropionitrile and a ECD detector is presented .