黄酮苷类化合物广泛存在于自然界,具有显著的生物活性,是一类重要的天然有机化合物。
Flavonoid glycosides are widespread ubiquitous natural product, and have been associated with a wide variety biological activities.
天然黄酮类化合物广泛存在于药用植物、水果和蔬菜中,是一类重要的天然有机化合物,其存在形式既有与糖结合成苷的,也有游离体。
The natural flavonoid widely exists in medicinal plant, fruit and vegetable, it is a kind of important natural organic compound in the form of either sugar glucoside or free molecular.
对天然有机化合物的提取和分离技术进行了综述。
The techniques of extraction and separation of natural organic compounds were reviewed in the article.
天然和合成纤维、大部分的燃料、药剂和塑料制品都是有机化合物。
Natural and synthetic fibres and most fuels, drugs, and plastics are organic.
针对传统染发剂的毒性及刺激性,本文研制一种不含有毒铅,不含苯胺类致敏物,而含属于植物构分的有机化合物的天然型染发。
In this paper, a natural hair dye is studied, which mainly contains organic compound of plant without toxic lead and phenylamine sensitizer.
二甲基砜是一种天然存在于自然界中的含硫有机化合物,可有效改善人类健康。
Methylsulfonylmethane is an organic sulphur-containing compound that occurs naturally in nature, which can effectively improve human health.
乙烯一种无色易燃气体,C2H4,可从天然气和石油中获得,用作许多有机化合物的来源,用于焊接和切割金属,柑桔属水果的着色,以及用作麻醉剂。
C2H4, derived from natural gas and petroleum and used as a source of many organic compounds, in welding and cutting metals, to color citrus fruits, and as an anesthetic.
介绍了分子蒸馏技术在热敏性有机化合物的提纯、食品和医药方面的分离纯化、精细化工产品、天然香料后处理等方面的应用现状。
The application of molecular distillation technology is reported in heat-sensitive chemicals, food and drug, chemical industry products and the aftermath of natural spices industry in this paper.
DELTA天然有机化合物信息中心拥有先进技术水平,较强的技术实力和经济实力、有着广泛的世界渠道和良好的信誉。
DELTA Information Centre For Natural Organic Compouds has higher technical force, advanced technical compence, vast world channels, economic strength and good prestige.
以天然有机化合物为先导,利用半合成法对其进行结构修饰和改性,是发现新的疗效成分和新药开发一个重要途径。
It is an important approach to find new medical components and to develop new drugs by modifying the structure of natural product.
生物碱是广泛存在于自然界天然植物中的碱性含氮有机化合物。
Alkaloids are alkaline nitrogenous organic compounds, which are widely existed in the natural plant.
天然气(5%),绘画(5%),柴油车(3%),和生物排放(2%)的挥发性有机化合物的排放量,同时还确定了。
VOC emissions from natural gas (5%), painting (5%), diesel vehicles (3%), and biogenic emissions (2%) were also identified.
天然气(5%),绘画(5%),柴油车(3%),和生物排放(2%)的挥发性有机化合物的排放量,同时还确定了。
VOC emissions from natural gas (5%), painting (5%), diesel vehicles (3%), and biogenic emissions (2%) were also identified.
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