成分

The nutritional composition of six kinds of seed which belong to Labiatae plants have been studied,the results showed:the contents of fatty oil in the seeds was abundant and the contents of unsaturated fatty acid were rich,its unsaturated fatty acid in these kinds of seed oil reached 90% all.the main constituents of fatty acids were:α-Linoleni acid,linolic acid,oleic acid,arachidonic acid palmitic acid and stearic acid.

对六种唇形科植物种子营养成分研究的结果表明：种子含有丰富的脂肪油，其不饱和脂肪酸总量均在 90 %以上。种子油的主要成分为：α亚麻酸、亚油酸、油酸、花生烯酸、棕榈酸和硬脂酸等成分。

OBJECTIVE:Study on the chemical constituents of essential oil from the leaves of Litsea mollia Hemsl.

目的：研究毛叶木姜子叶挥发油的化学成分，并与其果油的化学成分作比较。

Monoterpenes and sesquiterpenes are the major chemial constituents in the oil from the leaves of Litsea mollia Hemsl.They are very different from those of the essential oil from the fruits of Litsea mollia Hemsl.

毛叶木姜子叶挥发油的主要成分为单萜和倍半萜，与果实挥发油的化学成分相差很大。

The ethyl acetate soluble fraction of the 95% ethanol extract of Lonicera saccata showed obvious ACE inhibitory activity in vitro.

为明确钮子瓜的药用物质基础和袋花忍冬中具有ACE抑制活性的成分，首次对两个植物的成分进行了研究。1。

The application of ionic liquids aqueous solutions as solvents in the microwave-assisted extraction technique was developed for the extraction of lycorine, lycoramine and galanthamine from Lycoris. Effects of different ionic liquids and the concentration of selected ionic liquids on MAE were investigated, and tradition organic solvent and extraction techniques were compared.

1引言自1986年Ganzler等[1]首次报道采用微波辅助萃取天然产物中化学成分以来，微波辅助萃取技术在食品、环境和天然产物等领域得到了广泛的应用[2~5]，它以萃取时间短、溶剂用量少、选择性强、萃取效率高等优点在中药有效成分的萃取分离方面得到广泛关注[5，6]。

Most species' populations were decline in last fifty years, especially since the last 1980's, the populations such as Alpine Musk Deer, Przewalski's Gazelle and Red Deer etc. declined dramatically;(5) Desertification and grassland degredation are obviously affected by climate change on macrographic scale, anthropogenic activities is an important driving role for desertification, herbing, land-development and urbanization have majority impact to biodiversity spatial pattern and its loss.

祁连山区动物资源组成成分复杂，总体上缺乏自身特有的种类，哺乳动物区系特点不很突出，既包含了东部黄土高原和东南湿润地区的兽类成分，又不乏青藏高原特有种类，同时还与新疆的动物区系有一定的联系，近50年来尤其自上个世纪80年代以来，多数种类的种群数量呈下降趋势，其中以马麝、普氏原羚、马鹿等物种的数量下降的最为显著；（5）土地沙漠化和草地退化在宏观尺度上受气候因素影响较大，人类活动对荒漠化的加速发展起着重要的驱动作用，尤其是放牧、土地开发和城镇化建设对生物多样性资源减少以及空间分布格局影响较大。

OBJECTIVE To analyze the chemical components of volatile oil of Mallotus apelta.

目的分析白背叶挥发油的化学成分并用归一化法测定各成分的质量分数。

This paper presented some researches about the potential anti-hyperglycemic functional components in Chi- nese fermented soybean food s,such as soybean isoflavone, soybean sapanin,melanoidin and soybean peptide in fermen- ted soybean food in recent years.

本文概述了中国传统发酵大豆食品以及近些年研究报道中推测的可能具有降血糖活性的功能成分，其中着重集中在大豆异黄酮、大豆皂甙、类黑精类和大豆多肽等功能成分的总结和分析。

The constituents of the essential oil of peppermint（Mentha piperita L.）from Ganquan/Linyou/Xinyi/Qianyang/ Kuyu /Shibianyu and Fengshan and so on different elevation areas in Shaanxi were analyzed by GC-MS,38 kinds of compounds were respectively identified and quantified, which accounted for 96% of the total peak area respectly.

本文以美国样品为对照，用GC-MS法分析了陕西甘泉、麟游、旬邑、千阳及长安库峪、石砭峪、冯三等不同海拔高度地区椒样薄荷精油的组成成分及相对含量，分别鉴定出38种化学成分，其含量分别占组分总量的96%以上。

The main effective components of the volatile oil from Schizonepeta tenuifolia Briq. by GC-MS are pulegone and menthone. In addition, dihydrojasmone and terrein that had never been reported in literature have been identified.

由GC-MS鉴定出挥发油的主要有效成分是胡薄荷酮和薄荷酮，并鉴定出了二氢茉莉酮、土曲霉酮等文献未曾报道过的成分。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。