己烯

Compareing with essential oil of the steam distillation method and the bensine solvent extraction method through GC-MS analysis .The result showed that:the essential oil principal constituent extracted by benzine is camphene,a-pinene,bornyl acetate, limonene, 1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene, myrcene, caryophyllene, borneol.

对巴山冷杉针叶水蒸气蒸馏和石油醚萃取所得精油的GC-MS 分析对比研究结果表明：石油醚萃取精油主要成分为：莰烯，a-蒎烯，乙酸龙脑酯，柠檬烯，1-甲基-4-异丙基-1，4-环己二烯，月桂烯，石竹烯，龙脑。

Furthermore, the antifungal effect of the two-part heartwoods nearby sapwood was better than that of the heartwood nearby the pith. 14 kinds of chemical components were identified from the heartwood extractives by GC/MS, most of which are terpenoids and their derivatives, and the content of thujopsene is the highest (25.564%), cedrol (19.743%) is second only to that of thujopsene, 24 kinds of chemical components were identified from the dichloromethane extractives, and the highest component is also thujopsene (15.429%).

气质联机技术对正己烷和二氯甲烷提取物分析鉴定表明：侧柏心材正己烷提取物中有14种化合物，大部分化合物属于萜烯类物质及其衍生物，最高含量化合物为罗汉柏烯(25.564%)和雪松醇(19.743%)；侧柏心材二氯甲烷提取物中鉴定出24种化合物，最高含量化合物也为罗汉柏烯(15.429%)。

In addition, a benzene, toluene (0.32%), was also detected in 80% ripening fruit. In 90% ripening fruit were detected 27 kinds of aroma components belonging to 2 categories. Among the components, 17 were esters, and 10 alkenes. Of the 17 esters, methyl octanoate is the highest (21.00%), followed by ethyl hexanoate (17.64%), methyl hexanoate (14.34%). Of the 10 alkenes cis-β-ocimene is the highest (1.00%), followed by à-copaene (0.81%) and trans-ocimene (0.48%).

在9成熟果实中检测到2类共27种香气成分，分别是酯类17种和烯类10种；在酯类中，相对含量最高的是辛酸甲酯(25.27%)，其次是辛酸乙酯(21.00%)、己酸乙酯(17.64%)、己酸甲酯(14.34%)；在烯类中相对含量较高的有β-顺式－罗勒烯(1.00%)、à-蒎烯(0.81%)和反式－罗勒烯(0.48%)。

The results showed that the unsaturated fatty acid content of pecan kernel oil was 89 0%,and 13 kinds of unknown components such as nonadecaol,8 hexyl pentadecane,10 methyl eicosane,11,14 eicosadienoic acid,1 bromo 8 heptadecyne,9 hexyl heptadecane,tetracosane,13 docosenoic acid,1 bromo 7 nonadecyne,15 tetracosenoic acid,hexacosanoic acid,7 hexyl ei...

研究结果表明：山核桃仁油中的不饱和脂肪酸 w =89 0 %，未知成分是十九醇、8 己基十五烷、10 甲基二十烷、11，14 二十碳二烯酸、1溴 8 十七炔、9 己基十七烷、二十四烷、13 二十二碳烯酸、1 溴代 7 十九炔、15 二十四碳烯酸、二十六酸、7 己基二十烷、二十七烷共 13种，其中13 二十二碳烯酸、15 二十四碳烯酸、十九醇等具有较强的生理活性和药用价值

Of this data introduction be can plant with afore-mentioned glue rival get together personal Xi, also made delibrate to the content sex after its cross-linking.

本资料介绍的乃是能与上述胶种相媲美的聚己烯，并对其交联后的物性也作了研讨。

The results showed that the yield of pentose in pre-extraction is 27%~43%,which indicates that hot water pretreatment is effective for extracting hemicelluloses hydrolytic sugars.

木片经热水预处理后，碱法制浆性能提高，易成浆，可降低用碱量，缩短蒸煮保温时间，而且与原木片碱法制浆相比，相近蒸煮条件下浆料卡伯值下降 7~10 个百分点，浆料己烯糖醛酸含量下降 75%~95%，原浆白度升高 4~6 个百分点，黏度有小幅度降低，得率下降 1.5~4.5 个百分点。

We studied the number of ordinated water of polyoxometalate catalysts how to affect the catalytic activity.

2，研究了1 ， 2-二氯乙烷做溶剂，催化氧化环己烯的体系中杂多酸所含配位水的数量对催化剂活性的影响。

Keywords tungsten trioxide;zirconia;solid acid;benzene;1-hexene;alkylation;potassium;strontium

氧化钨；氧化锆；固体酸；苯； 1-己烯；烷基化；钾；锶

In the phase-boundary reactions of cyclohexene hydration and isoamyl acetate hydrolysis, these amphiphilic zeolite particles are oriented at the aqueous-organic phase boundary and exhibit catalytic activity obviously superior to the parent zeolites.

在环己烯水合及乙酸异戊酯水解的相界面反应中，两亲性沸石分布於水－油两相界面，并表现出明显高於各自母体沸石的催化活性。

The activity of benzene hydrogenation decreased with an increase of the Zn content.

苯的氢化反应活性随锌的含量增加而降低，但环己烯的选择率与产率随锌的含量增加而增加。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。