五醇

Free tryptophane, docosoic acid and methyl 14-methy pentadecanate were isolated and identified as monomeric compounds also for the first time from Panax plants. Malonyl-ginsenoside 〓, ginsenoside Ro,〓, Re,〓,〓,〓(8 saponins) and stigmasterol were isolated and identified for the first time from the fruits and molonyl- ginsenoside 〓 was also the first from the plant of panax quinquefolium.

游离色氨酸、二十二碳酸及14-甲基-十五碳酸甲酯是首次从人参属植物中分离鉴定的杂环α-氨基酸和脂肪羧酸类单体化合物；丙二酸单酰基人参皂甙〓、人参皂甙〓及豆甾醇是西洋参果中首次分离鉴定的8种单体皂甙和1种甾醇化合物，M-〓亦为西洋参中首次分离鉴定的皂甙化合物。

The effects of feeding way of phosphorus pentoxide, ratio of C8H174OH to P2O5, reaction temperature and time on the synthesized isooctanol polyethenoxy ether phosphate were investigated. Its optimum synthesis technology conditions were as follows: feeding at batches while stirring tempestuously at 45℃, the ratio of nC8H17(EO4OH:n(P2O5)=2:1, esterifying at 70℃ for 4h, and add given volume of water at 70℃ for hydrolysing 2h.

研究五氧化磷的投料方式、反应物的用量比、反应温度和反应时间等因素对合成的异辛醇聚氧乙烯醚C8H17(EO4OH磷酸酯性能的影响，得到优化的异辛醇聚氧乙烯醚磷酸酯的合成工艺条件：在强烈搅拌下，分批投入P2O5，加料时的温度不超过45℃，nC8：H17(EO4OH：n(P2O5)=2：1，酯化温度为70℃，酯化时间为4h，在温度70℃时加入定量的水再水解2h。

The major constituents were p-cymene,linalool,borneol and α-terpineol respectively.

产于山东沂山的五脉地椒全草挥发油主要成分为对-伞花烃、芳樟醇、龙脑、α-松油醇。

Seven compounds have been isolated from hard coral Acropora pulchra. These compounds are:pentadecoic acid, heptadecyl ester;(2)n-cetanol;(3)batyl alcohol;(4) N- [ 1 --2-hydroxyl--3,7-heptad-ecadienal] -hexadecanamide;(5)1 -0-hexanoyl-glycerol ester;(6)thymine;(7)uracil. Their structures were determined by IR, MS, HNMR, 13CNMR analysis.

从北海佳丽鹿角珊瑚Acropora pulchra乙醇提取液的乙酸乙酯部分分离出七个化合物，经IR、MS、~1HNMR、~(13)CNMR等波谱方法鉴定，其结构分别为：(1)十五酸十七酯，(2)正十六碳醇，(3)鲨肝醇，(4)N-1-羟基甲基-2-羟基—-3，7-十七碳二烯基十六酸酰胺，(5)1-正十六酸甘油酯，(6)胸腺嘧啶，(7)尿嘧啶。

Moisturizer:Water,propylene glycol,saccharide isomerate,chondrus crispus,peg-40 hydrogenated castor oil,imidazolidinyl urea,methylparaben,sodium hyaluronate,pentadecalactone,citrus aurantium dulcisoil,lactic acid,iris germanica root extract,sodium hydroxide,citrus aurantium amara oil,yellow 6(CI 15985),limonene,linalool

保湿精华：水，丙二醇，天然异构寡糖，卡拉胶，PEG-40氢化蓖麻油，尿素醛，羟苯甲酯，透明质酸钠，环十五内酯，甜橙油，乳酸，鸢尾花根萃取，氢氧化钠，苦橙油，黄 6(CI 15985)，柠檬精油，芳樟醇

Undecanedioic acid, dodecanedioic acid, brassylic acid, tetradecanedioic acid, pentadecanedioic acid, nylon 1212 resin, nylon 1212 salt, nylon 1212 powder, pa 1212 adhesives and sealants, zirconium dioxide, zirconium dioxide powder, zirconium oxychloride, 1,10-decanediol, 1,12-dodecanediol, dimethyl sebacate, dodecanedioic acid dimethyl ester, dodecane diamine etc.

十一碳二元酸，十二碳二元酸，十三碳二元酸，十四碳二元酸，十五碳二元酸，十二碳二元胺，十二碳二元醇，癸二醇，癸二酸二甲酯，十二碳二酸二甲酯，PA尼龙1212型高档热熔胶；以及二氧化锆，氧氯化锆等。

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

For the study, the researchers asked participants about their diet and estimated consumption of three flaonols: quercetin, which is most abundant in onions and apples; kaempferol, found in spinach and some cabbages; and myricetin, found mostly in red onions and berries. Oer the next eight years, 529 deeloped pancreatic cancer.

研究人员询问参与者有关他们的饮食，并估算吃三种黄酮醇的量：五羟黄酮，在葱和苹果中含量最多；山奈醇，存在菠菜和一些甘蓝菜中；杨梅黄酮，主要存在于红洋葱和莓果中，在之后八年内有529人罹患胰脏癌。

The total synthese three natural compounds to explore enantioselective synthesis of flavanol: We use phloroglucin and 2, 4, 6-trihydroxyacetophone as starting materials to synthesis distenin in two ways; Resorcin was used to synthsis 2, 5-dimethoxymethoxyacetophone though 3 steps.

对黄烷醇化合物的立体选择性全合成进行了探索：以间苯三酚和2，4，6-三羟基苯乙酮为原料，尝试用两条路线对Distenin化合物进行了全合成研究；以对苯二酚为原料，经三步制得2，5-二甲氧甲氧基苯乙酮，与2，4，6-三甲氧甲氧基苯甲醛反应，经四步反应得到天然产物3，5，7，2′，5′-二五羟基黄烷关键中间体1-（2′，6′-二甲氧甲氧基苯）-3-（2&，4&，6-三甲氧甲氧基苯）丙烷-1R，2R-二醇83及其对映体84；简要介绍了EGCg类化合物的生物活性和研究概况。

Nine sugars and five sugar alcohols were analysed by HPLC with a differenctial refractometerdetector. p-Methoxyaniline and benzoyl chloride were used to the pre-column derivatization of sugar and sugar alcohol, in which a ultraviolet absorption organic group was added, Then the derivatives were detected sensitively by an UV monitor sensitively.

采用高效液相色谱示差折光检测器，对9种糖和五种糖醇进行了分离检测；另以对甲氧基苯胺和苯甲酰氯为衍生试剂，分别对糖和糖醇进行柱前衍生，使其接上紫外吸收基团，然后用紫外检测器进行检测。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。