色層分析柱 的英文怎麼說
中文拼音 [shǎicéngfēnxīzhù]
色層分析柱
英文
chromatographic column-
According to the polarity, the residue was isolated with petroleum ether, chloroform, ethyl acetate, and n - buoh, respectively. the n - buoh fraction, confirmed as neuroactive component, was subjected to sephadex lh - 20 column chromatography to provide an extract fraction, as a buff powder, which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l
將菟絲子乾粉用75乙醇浸泡后,減壓蒸干后得到褐色漿狀物,經石油醚、氯仿、乙酸乙酯、正丁醇萃取,經柱層析后,再用葡聚糖凝膠對有效成份進一步純化,獲得了菟絲子中能誘導pc12細胞分化的活性組分。Analysis of honey - determination of the content of streptomycin - high performance liquid chromatography postcolumn derivatisation
蜂蜜分析.鏈酶素含量測定.高效液相色層支柱衍生法This material was loaded onto a silica gel column and the column was eluted with chloroform several times until the fraction of interest was collected. finally we obtained some light yellow green ointment liquid f i
採用硅膠作干層析柱填充物,用氯仿作展開劑和洗脫液,反復硅膠層析,對柄海鞘鞘囊氯仿浸提物進行分離、提取與純化,最後得到一淺黃綠色的油狀液體fraction (以下均稱f ) 。This paper concentrates steranes and terpanes in high mature - over mature oil and source rock using distillation method and identifies with column chromatography and chromatography - mass spectrum, achieving better identification effect
用精餾法對該類原油和生油巖中的甾萜類化合物進行富集,然後通過柱色層分析和色譜質譜鑒定,得到了較為理想的甾萜類化合物鑒定效果。A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from oxytropis glabra
摘要採用生物?系統提取、矽膠柱層析分離及梯度升華技術從小花棘豆乾草粉中分離出一種白色針狀結晶。Many kinds of chromatograph including silica gel, d101 resin, sephadex l - 20 gel, rp - 8 and hplc are used in extracting and separating chemical constituents form these plants. certainly, they need to select the best eluate by tlc. some technique including ms ( ei - ms, fab - ms ), id and 2d nmr ( cosy, roesy, hmbc, hmqc ) been used in identifying these chemical structures
通過各種硅膠柱層析,吸附樹脂, sephadex系列凝膠樹脂以及rp - 8類反向柱等層析材料以及高效液相色譜等技術,利用不同的洗脫體系對這兩種植物的化學成分進行分離得到純的單體化合物,然後利用ms ( ei - ms , fab - ms ) 、一維nmr 、二維nmr ( cosy , roesy , hmbc , hmqc )等技術對這些化合物進行結構鑒定,利用ir和uv對這些化合物進行了表徵。分享友人