辛烷

Any of various isomeric paraffin hydrocarbons with the formula C 8 H 8, found in petroleum and used as a fuel and solvent.

辛烷：一种分子式为C 8 H 8的同分异构石蜡烃，在石油中发现，用作燃料和溶剂

The activities of coating enzymes were studied by esterification of lauric acid and lauryl alcohol as the model reaction.

以月桂醇和月桂酸在异辛烷中的酯化反应为模型测定了不同包衣脂肪酶的活性。

This paper describes the determination of the heat of desorption of octane on microcrystalline cellulose

在此说明应用无限稀释脉冲IGC 在两种湿度条件下，确定微晶纤维中辛烷解吸热的方法。

Seven of them have not been reported.Their structures were confirmed by IR,~1HNMR,MS,and element analysis. 4.Meanwhile,the green methylation procedure of imides was developed by using dimethyl carbonate as methylation reagent.A series of imides,for example,phthalimide,3,4-dibromo-maleimide and succincide were used for substrates.The effects of DABCO(1,4-diazabicyclo [2.2.2]octane)and DBU(1,8-diazabicyclo[5.4.0]undec-7-ene)as a catalyst in this kind of reactions were investigated.2-Bromo-3-(1-methylindolyl-3-yl)-1-methyl-1H-pyrrole-2,5-dione was prepared by using dimethyl carbonate,which further expanded the use of dimethyl carbonate,as a green agent in organic synthesis.

在以硫酸二甲酯为甲基化试剂对3，4-二溴马来酰亚胺进行N-甲基化反应合成3，4-二溴-N-甲基马来酰亚胺的同时，以碳酸二甲酯为甲基化试剂，对3，4-二溴马来酰亚胺、邻苯二甲酰亚胺、琥珀酰亚胺等酰亚胺类化合物的N-甲基化反应进行了研究；考察了1，4-二氮杂双环[2.2.2]辛烷，1，8-二氮杂双环[5.4.0]十一碳-7-烯、碳酸钾和四丁基溴化铵等作为催化剂对碳酸二甲酯N-甲基化反应的反应时间和收率等的影响，并应用碳酸二甲酯为甲基化试剂，合成了N-甲基-3-溴-4-(1-甲基-吲哚-3)-马来酰亚胺。

In the first chapter, the catalytic performance of Candida rugosa lipase solubilized in "H〓O/AOT/isooctane"reverse micellar system was studied.

第一章对酵母脂肪酶在AOT/异辛烷逆胶束中的催化性能进行了系统研究。

A method was established for the determination of perfluorooctane sulphonate in fabric and leather by liquid chromatographymass spectrometry.

建立了纺织品和皮革制品中全氟辛烷磺酸盐的液相色谱二级质谱（LCMS2）测定方法。

Reverse micelles system was formed by sulphosuccinic acid his (2-ethylhexyl) ester sodium salt isooctane and KCl buffer solution.

采用由AOT（琥珀酸二（2-乙基己基）酯磺酸钠）－异辛烷－KCl缓冲液组成的反胶束体系，联合酶解技术提取脱脂小麦胚芽蛋白。

Two types of P Br N contained flame retardant,O (2,4,6 1 trioxo 1 oxyphosphabiscyclooctane 4 methylene) O (2,3 dibromopropyl)phosphoric melamine salt and O (2,4,6 tribromophenyl)phosphoric melamine salt,were synthesized from phosphorus oxychloride,pentaerythritol,2,3 dibromopropanol,2,4,6 tribromophenol and melamine,etc.

以三氯氧磷、季戊四醇、2 ，3 二溴丙醇、2 ，4，6 三溴苯酚及三聚氰胺等为原料合成了两种含磷溴氮阻燃剂，即O (2 ，4，6 三氧杂 1 氧基磷杂双环 [2 。2 。2 ]辛烷 4 亚甲基) O 2 ，3磷酸三聚氰胺盐和O (2 ，4，6 三溴苯基)磷酸三聚氰胺盐。

BaWO_(4) nanoparticles of wire,rod,and hollow spherical shapes were prepared in different microemulsion systems with octane as the oil,and undecylenic acid and/or dodecylamine as the surfactants.

在十一烯酸和十二胺作表面活性剂、正辛烷为油形成的油包水型微乳液体系中，通过调节体系的组成，使Na2WO4和BaC l2发生反应，分别制得了丝状、棒状和空心球状的BaWO4纳米粒子。

Also, CdWO4 nanowires and BaWO4 nanoparticless with different shapes, such as wire-like, rod-like, and hollow spherical, were prepared in different microemulsion systems using octane as oil, undecylenic acid and/or dodecylamine as surfactants.

此外，在十二胺、十一烯酸和正辛烷组成的反胶束乳状液体系中合成了不同形貌的BaWO4纳米粒子及丝状CdWO4纳米粒子。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷