The first part reviews the classification, extraction, separation and analytical methods of the flavonoid natural active compound.
第一部分是文献综述。 介绍了黄酮类天然活性成分的主要结构分类、生物活性、提取与分离以及近三年来对黄酮类天然活性成分分析方法。
参考来源 - 化学发光用于黄酮类天然活性成分的分析研究Activities tests not only point out way foranalysis and extraction of active compound in bark ofJuglans mandshurica, but also givescience information for the application.
活性测试为活性物质的提取和核桃楸树皮提取物在农林方面的应用提供了科学依据。
参考来源 - 核桃楸树皮中活性物质的提取与分析·2,447,543篇论文数据，部分数据来源于NoteExpress
The active compound of Water Guard penetrates into the pores of concrete, mortar, precast concrete slab, SLATE, brick tile, masonry, timber, etc.
其活性化合物能渗入混凝土、砂浆、预制混凝土板、石板、砖瓷、石材、木材等的微孔。
Meanwhile, German scientists have identified an active compound in coffee called methylpyridinium that boosts enzymes thought to prevent colon cancer.
德国的科学家也确认了咖啡中一种名叫methylpyridinium的活跃成分可以提升酶，这被认为可以预防结肠癌。
In an alternative embodiment, a pharmaceutically active compound can be applied to exterior surfaces of the nasal elements for absorption through nasal tissue.
在另一个实施例中，药用活性化合物能被施加到鼻部构件的外表面，以便通过鼻组织吸收。
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