查询词典 alkaloids

A brownish-black mixture of alkaloids remaining after extraction of crystalline alkaloids from cinchona bark, used as a quinine substitute.

奎诺酊将金鸡纳树皮中提取结晶生物碱之后，剩下来一种黑褐色的生物碱混合物，用作奎宁的替代物

The proper in-situ polymerization systems of acidic and basic compounds using amino acid derivatives and cinchona alkaloids as template molecules respectively were adopted for preparation of molecularly imprinted monolithic columns by systematically investigating the effect of polymerization conditions on pore structure and selectivity of resulting polymers. The enantiomers of amino acid derivatives and the diastereomers of cinchona alkaloids were successfully resolved on these columns.

本文分别以氨基酸衍生物和辛可纳生物碱为模板分子，系统研究了制备条件对聚合物孔结构和选择性的影响，建立了合适的酸性化合物和碱性化合物的原位印迹体系。

In order to fully utilise the alkaloids in the mother liquor, obtained during the production of ergometrine, and to gain information on the mechanism of biosynthesis, it was necessary to isolate and identify these ergot alkaloids.

为了利用麦角新碱生产过程中母液里的其他麦角生物碱，并为进一步研究生物合成机制提供资料，必须先对母液中所含麦角生物碱进行分离和鉴定。

There were qualitative and quantitative differences of active alkaloids among Beimus treated in this study, and these 9 alkaloids could even not be detected in some Fritillaria species F.

用新建立的三种色谱法对贝母属24种贝母的31个样品中9种生物碱进行了定性、定量评价，得出如下结果和结论

Gelsemium total alkaloids improved some blood and immune function of mice when it less than 0.30mg/kg body weight, but more than 1.5mg/kg body weight, the gelsemium total alkaloids can reduced some blood and immune function of mice; below the dose of 3%, GEB"s power can improve some blood and immune function of broilers, but GEB"s power can reduce some blood and immune function of broilers above the dose of 6%.

结论是：钩吻对小鼠和肉鸡的血液学及免疫功能的影响均存在着剂量差别，钩吻总碱稀释液在0.30mg／kg剂量以下，能够提高小鼠的某些血液指标与免疫功能(p＜0.05)，而在1.5mg／kg以上，则降低小鼠的某些血液指标与免疫功能(p＜0.05)；3％以下的钩吻干粉能够提高肉鸡的某些血液指标与免疫功能，而6％以上的钩吻干粉则降低某些血液指标与免疫功能。

We demonstrated the effect of the gelsemium total alkaloids of on blood and immune function of three different doses (0.15mg/kg,0.30mg/kg,1.5mg/kg) on mice and dieted with three GEB powers contents(1.5%,3%,6%) on chicken . The results showed as follow:1.The gelsemium total alkaloids of 0.15mg/kg,0.30mg/kg doses increased RBQHB, percentage of ANAE+ lymphocytes, phagocyty of peritoneal macrophage of mice.

本研究探讨了不同剂量(0.15mg／kg、0.30mg／kg、1.5mg／kg)的钩吻总碱稀释液对小鼠的血液学与免疫功能的影响，以及不同日粮添加水平(1.5％、3％、6％)的钩吻干粉对肉鸡血液学与免疫功能的影响，结果表明： 1、灌胃0.15mg／kg、0.30mg／kg剂量的钩吻液，能够提高小鼠红细胞数、血红蛋白含量、外周血ANAE~+淋巴细胞数、腹腔巨噬细胞吞噬指数及吞噬百分率。

Lycopodium alkaloids are those structurally related natural alkaloids isolated from Lycopodium, which often have the same biogenesis.

中文摘要石松生物碱是从蕨类植物石松及其近缘植物中分得的结构相似，具有相同生源的一类天然生物碱。

High temperature and pressure was applied to extract alkaloids in Kusnezoff Monkshood Root, and ESI-MS was adopted to detect the unprocessed and the processed lipo-alkaloids.

利用高温高压提取草乌中生物碱，利用电喷雾质谱法对提取前后的脂类生物碱进行检测分析。

In this paper, the structure characters of steroidal alkaloids from Buxaceae were discussed. Using the steroidal alkaloids for the chemotaxonomic characters, the evidences of chemotaxonomy and plant systematics of Buxaceae were studied. The interrelations among three genera, Buxus, Pachysandra, and Sarcococca were discussed.

本文讨论了黄杨科植物甾体生物碱成分的结构特征；以甾体生物碱作为化学分类学的特征物质，初步探讨了黄杨科植物化学分类学的依据和系统位置；同时讨论了黄杨属、板凳果属（Pachysandra，又称富贵草属）和野扇花属3属间的相互关系。

We discussed the syntheses of two different types of plant alkaloids in this thesis. In part A, we aimed at total syntheses in two kinds of aporphine alkaloids, lirioferine and boldine. In part B, we developed a tactic about radical cyclization in polyhydroxylated piperidine synthesis.

中文摘要本篇论文中探讨了两种不同种类植物碱的合成，在A部分中，我们针对阿朴吩类天然物中的鹅掌楸啡碱与波儿丁碱做了各自的全合成研究；在B部分中，我们发展了一种自由基环化策略运用在含多羟的哌啶类化合物之合成上。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。