precipitation thin-layer chromatography 中文意思是什麼
precipitation thin-layer chromatography
解釋
沉澱薄層色譜- precipitation : n. 1. 猛然摔下，落下。2. 猛沖；急躁，輕率，魯莽。3. 【化學】沉澱（作用）；降雨（量）；（雨、雪等的）降落。
- thin : adj （thinner; thinnest）1 薄的 （opp thick）; 瘦的 （opp fat stout）; 細小的；【印刷】細體的。2 ...
- layer : n 1 放置者，鋪設者，計劃者。2 【賽馬】（一般）賭客。3 產卵的雞。4 【軍事】瞄準手。5 層；階層；地...
- chromatography : n. 【化學】層析，色層（分離）法。
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Two kinds of flavonoids in water extracts, water - extraction and alcohol precipitation, alcohol extracts were found by paper chromatography. they were separated and purified by thin - layer chromatography, one of which was primarily identified by uv as 4 ", 5 - dihydroxy - flavonol etherification or 4 ", 5, 8 - trihydroxy - flavonol etherification
水提物、水提醇沉物、醇提物等3種提取物紙層析結果顯示有兩種黃酮類化合物，經薄層層析分離純化，並進行紫外光譜分析，初步測定其中一組分為4 ， 5 -二羥基黃酮醇醚或4 ， 5 ， 8 -三羥基黃酮醇醚。
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