查询词典 alkaloids

Objective: To develop a RP-HPLC method for determination of three alkaloids in total alkaloids exfracted from Lotus plumule .

中文摘要：目的：建立同时测定莲子心中莲心碱、异莲心碱、甲基莲心碱含量的反相高效液相色谱法。

The method is simple,rapid and suitable for the determination of three alkaloids in total alkaloids exfracted from L. plumule .

本法简单、快捷、适合于测定莲子心中莲心碱、异莲心碱、甲基莲心碱的含量。

This paper,by applying data mining to analyze the experiment data of eomecon chinanthe alkaloids against oncomelania,gives a new analysing method of multi-factors model,unveils the regular pattern of every factor of the new medicine against oncomelania,and opens out the optimal solution for application.It supplys the theory basis in using eomecon chinanthe alkaloids against oncomelania in reason.

通过应用数据挖掘技术对生物碱杀螺剂实验数据的分析处理，提出了一种新的多因素模型推导方法，揭示了药物杀螺过程中各个影响因素的变化规律，给出了生物碱杀螺剂在实际应用中的最优参考条件，为合理利用生物碱杀螺剂进行最优效果的杀螺提供了理论依据。

In the thesis, CE was combined with on-line sweeping and hollow fiber-basedliquid-phase microextraction technique. Efficient and sensitive methods were developedfor the determination of Strychnos alkaloids, carbamazepine in Chinese herbal medicinesand biological samples. The interactions of Strychnos alkaloids, fangchinoline,tetrandrine and carbamazepine with serum albumin were studied by fluorescencequenching spectra, synchronous fluorescence spectra, three-dimensional fluorescencespectra and ultra-violet spectra.

本论文将毛细管电泳分离技术与在线推扫富集技术、中空纤维液相微萃取技术相结合，建立了中草药和生物样品中的马钱子生物碱、卡马西平的高效、灵敏和选择性好的CE分离检测方法。

More than five alkaloids were found in the extracts of Sedum aizoon root, among which three types of hepatotoxic pyrrolizidine alkaloids proved to be senecionine, seneciphylline and integerrimine.

结果土三七根部总生物碱的提取率为0.105％，在土三七根部发现超过5种吡咯烷生物碱，其中有3种具有较强肝毒性的分别为：千里光宁、千里光非宁和全缘千里光碱。

The alkaloids were studied by gas chromatography coupled to mass spectrometry. Six major venom alkaloids were detected in worker venom which are all trans 2-methyl-6-alkyl or alkenyl pepdine according to mass spectral data and relative report on S.invicta.

通过保留时间和质谱离子碎片数据，并与国外相关报道比较分析得出：入红火蚁毒液中主要成分为2-甲基-6-烷基或烯基哌啶生物碱，仅有6位取代烃基碳链长短和烯键有无及顺反异构的差异。

The ethanol extract was dissolved with HCl, the acidic extract was basified to pH9-10 with NH_3-water and extracted with CHCl_3 to give total alkaloids. five alkaloids were isolated with column chromatography and preparative thin-layer chromatography, and three of them were identified as dehydrocorydaline、 corynoline and dihydrosanguinarine on the basis of spectral analysis MS,~1H-NMR,~(13C-NMR and physicochemical properties. All of them were found for the first time from this plant.

为研究灰绿黄堇的化学成分，本文将灰绿黄堇乙醇提取物采取酸提取、碱游离后萃取的方法得到总生物碱，然后利用柱色谱、制备薄层色谱等方法分离、纯化了灰绿黄堇中5种生物碱，并利用IR、MS、~1H-NMR、~(13)C-NMR等方法鉴定了其中的3种，分别为去氢紫堇碱、紫堇灵、二氢血根碱，均为首次在此植物中发现。

Furthermore, the determination method of alkaloids is discussed. Results show the total alkaloids contents in crease with Wu-He Dipsacus growing longer years.

结果表明：随着生长年限的增加，其根中总生物碱的质量分数积累呈现出递增趋势。

The extraction and separation of total alkaloids from Wu-He Dipsacus by continuous extraction are described. Then the analysis of the quantity of alkaloids is carried out by UV method.

采用索氏提取法对不同生长时期的五鹤续断中总生物碱进行提取并分离，探讨用紫外分光光度法测定总生物碱质量分数的方法。

Chionantha contains abundant alkaloids content in all parts, and alkaloids often have pharmacological effects in terms of antibacterial, antimicrobial and snail control, Eomecon chionantha Hance has a great potential to be used in medicine as an eco-green wild species.

广泛生长于荫凉潮湿的生态环境，体内含有丰富的生物碱，具有抗菌、抑菌、灭螺功能作用，是一种开发生态型绿色药物的优良野生植物。

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。