辛酰

The recombinant enzyme hydrolyzed p-nitrophenyl esters but not tributyrin and tricaprylin, and exhibited the highest specific activity (1.1 μmol min-1 mg-1) to p-nitrophenyl caprylate.

SsoPEst不水解三酰甘油酯，可以水解对硝基苯酚酯，对对硝基苯酚辛酯水解活力最高，为1.1 μmol min-1 mg-1，催化对硝基苯酚酯水解的最适pH为5.5，最适温度为80 °C，酶溶液置于80 °C 热处理1小时仍有60 %活力。

Deamidation of the milk protein produced the spicy or ammonia-like flavor.Reduction and heat treatment had no obvious effect on the enzyme reaction and the flavor of the product.The order of different enzymes could influence the flavor effectively.In addition,the taste of the hydrolysate can not be improved by adding condiment.

结果表明，脱酰胺反应会使产品具有氨味和辛辣味；还原处理和加热处理，对脱脂乳粉和乳清浓缩蛋白的酶解速度和水解液风味都无明显影响；不同的酶解顺序对乳蛋白水解液的风味影响显著；用风味剂不能有效地掩盖酶解液的不良风味。

Five kind of intermediates are synthesized with the material of p-iso-Octylphenol and Dicarboxylic acid through two different routines in.

本文以辛基酚和五种二羧酸为原料，通过酰基化反应和酯化重排反应方法，合成了五种表面活性剂中间体。

Objective:To establish a RP-HPLC method to quantify a new chemical entity HZ08N-cyano-1-[(3,4-dimethoxyphenylmethyl]-3,4-dihydro-6,7-dimethoxy-N -octyl-2(1H)-isoquinoline carboximidamideand its related substances.

目的：建立HZ08N-腈基-1-[(3，4-二甲氧基苯基甲基]-3，4-二氢-6，7-二甲氧基-N-辛基-2(1H)-异喹啉碳酰亚胺的含量测定及有关物质检查方法。

The α-monobromination of 2-pentone,4-methyl acetophenone,4-methoxyacetophenone,6-methoxy-2-acetylnaphthane,2,2,5,5-tetramethyl-3-hexanone,cyclooctanone,cyclododecanone with respectively,were studied.

研究了离子液体三溴化1-丁基-3-甲基咪唑[Br3]对2-戊酮、4-甲基苯乙酮、4-甲氧基苯乙酮、6-甲氧基-2-乙酰基萘、2，2，5，5-4-甲基-3-己酮、环辛酮、环十二酮、丁醛等羰基化合物的α-溴化反应。

Compounds were identified by means of physic-chemical property and spectral data including three new compounds: platyphyllin A (1), neochlorgeniclatone (2),(2E,6Z)-2,6-dimethyl-8-O-β-D-glucosyl-2,6-octadienoic acid (3). The known compounds included cyclic diarylheptanoids, phenylic acid, ect.

从白桦叶的水提取物中，利用各种色谱分离手段(硅胶柱色谱、聚酰胺柱色谱、凝胶柱色谱及制备薄层色谱等)，分离得到28个化合物，通过理化性质及各种波谱数据(NMR，MS，IR，etc)鉴定了23个化合物的结构，其中新化合物三个：platyphyllin A(1)，新绿原酸内酯(neochlorgeniclatone，2)，(2E，6Z)-2，6-二甲基-8-O--2，6-辛二烯酸(2E，6Z-2，6-dimethyl-8-O-β-D-glucosyl-2，6-octadienoic acid，3。

Synthesis and protective effect of zinc chlorin P_6-6-N-ethylamide-7,γ-dimethylester on indomethacin-induced gastric ulcer in rats

二氢卟吩P_6-6-酰胺-7，γ-二甲酯锌的合成及对吲哚美辛诱发大鼠胃溃疡的保护作用

The asymmetric reduction of prochiral P-oxo ester, aromatic ketone and aliphatic ketone to its corresponding chiral alcohol by yeast cells were studied respectively in this work when ethyl 4-chloro-3-oxobutyrate, acetophenone and 2-octanone were as the model substrates.

本文以4-氯乙酰乙酸乙酯、苯乙酮和2-辛酮分别为β-羰基酯、芳香酮和脂肪酮的模型底物，研究了利用活性酵母细胞催化这三类前手性酮不对称还原合成相应手性醇的反应特性。

Moreover, the protein-free spreading-free spreading technique, involvingbenzyldimethyl-alkyammonium bromide and the denaturing agent formamide, wasestablished. With very low DNA concentration, the fully extended DNA samples for linearDNA can be prepared.

采用Sephadex色谱柱分离，保温稀释的DNA溶液，不仅可除去DNA链上吸附的盐，而且可使盘绕一起的DNA链部分展开；在此基础上，通过采用苯二甲基辛基溴化胺－甲酰胺微量展层技术，可使纳克级DNA完全展开到云母基底上。

The reactivity ratios of tetrafluoroethylene and pefluoro-3,6-dioxa-4-methyl-D7-octylsulfonyl fluoride in solution copolymn.

本文报导了四氟乙烯与全氟-3，6-二氧杂-4-甲基-Δ^7-辛基磺酰氟溶液共聚反应单体竞聚率的测定。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了