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- Method:Phytochmical experiment was carried out, using column chromatograph technologies. 方法:柱色谱分离,波谱解析鉴定结果。
- Sucralose was purified by column chromatograph and determined by thin layer chromatograph. 采用薄层色谱法定性,以柱色谱法分离提纯三氯蔗糖。
- The method shows good accuracy and precision as the standardized error is less than 2%,while the absolute error to the column chromatograph result is less than 3%. 方法标准偏差小于2%25,与柱色谱法所得结果之间的绝对偏差小于3%25,具有良好的精密度和准确度。
- To extract the alkaloids with acidic solution and organic solvent ,and to isolate tetrandrine and fanchineline with column chromatograph and thick-layer chromatograph. 本文用色谱柱层析法、选择最佳条件,对地榆的乙醇浸取液中的鞣质和皂甙进行了较好的分离。
- Methods:The total coumarins of Baizhi was extracted by column chromatograph and pharmacologic effects have been screened by anti-inflammation,analgestic and anti-spasticity experiments. 方法:运用柱层析方法,首次从白芷中提取总香豆素,并对白芷总香豆素类成分进行了抗炎、镇痛和解痉实验。
- After ultrosonic - extracting and isolating by column chromatograph, the samples were measured by GC/MS with selected ion monitoring mode.Some PAHs were identified and quantitated in samples. 贻贝、牡蛎样品经超声提取、层析分离后,由GC巳/MS测定,采用选择性离子检测模式,定性、定量检出了几种多环芳烃。
- A column chromatographic determination was made for the seperation of yellow pigment from red capsicum annuum pigment. 采用柱层析法分离分析红辣椒色素中的辣红素和辣黄素。
- Keywords Folium Isatidis;indirubin;column chromatograph;NIR; 大青叶;靛玉红;柱色谱法;近红外光谱;
- In this paper a column chromatographic preconcentration method using dithizone supported on naphthalene for copper in natural water is provided. 本文利用吸附有双硫腙的微晶萘作富集柱富集天然水中痕量铜,甲酰二甲胺洗脱,火焰原子吸收光谱法测定。
- Keywords natural pigment;capsanthin;chill;column chromatograph; 天然色素;辣椒红;辣椒;柱层析;
- Abstract: A column chromatographic method was used to separate the hydroxyl-terminated copo-lymers of propylene oxide and tetrahydrofuran (HTPT) according to their functionality. 摘要: 应用液-固硅胶柱层析法,以石油醚-乙酸乙酯-异丙醇不同配比为逐段梯度淋洗剂,将环氧丙烷-四氢呋喃共聚醚醇按官能度进行分离。
- The used chain extender N,N-bis(2-hydroxypropyl) aniline was separated from polyurethane materials by dissolution,reduction,solvent extraction and column chromatographic analysis. 采用溶解、还原、溶剂萃取和柱层析从聚氨酯材料中分离出所用扩链剂N,N二(2羟丙基)苯胺。
- She angled her column of chitchat toward teenagers. 她的漫谈栏侧重于十几岁的青少年。
- A three-step column chromatographic method,utilizing CM Sepharose CL-6B,DEAE Sepharose Fast Flow and Sephadex G-75 in sequence,for the separation and purification of thrombin-like enzyme from crude venom of Agkistrodon halys pallas was developed. 建立了一种用CM Sepharo se CL-6B阳离子交换、DEAE Sepharo se Fast F low阴离子交换和Sephadex G-75凝胶排阻三步柱色谱从江浙蝮蛇蛇毒中分离纯化类凝血酶的方法。
- Firstly, the method using gel permeation and Florisil column chromatographic clean-up techniques for the determination of residues of PCBs in fish oil is investigated and established. 本文研究并建立了用凝胶渗透色谱和Florisil土填充的固相萃取柱连用净化鱼油的方法。
- He used to write a column for this newspaper. 他过去曾为这家报纸写专栏文章。
- His column is syndicated throughout the world. 他的专栏文章通过报业辛迪加在世界许多报刊上发表。
- The column is surmounted by a statue. 柱顶上树立了一尊雕像。
- Nelson's Column is a famous monument in London. 纳尔逊纪念碑是伦敦著名的纪念碑。
- He always read the sports column in the Times. 他总是阅读《泰晤士报》的体育栏。