In this paper, the methods of preparing leaf alcohol as well as its application and prospect in domestic and abroad were reviewed.
本文综述了国内外制取叶醇的各种方法及其应用与开发现状,展望了其发展前景。
A new path for the preparation of leaf alcohol with 3-chloropropanol, triphenylphosphine and propionaldehyde through Wittig reaction was studied.
本文研究了以3-氯丙醇,三苯基膦和丙醛为原料利用威蒂希反应合成叶醇的新路线。
Leaf alcohol is an important perfumery component. This paper reviews its preparing methods, recent research progress, applications, and market prospect.
综述了叶醇的合成方法及国内外研究现状,并简单介绍了叶醇的应用情况及市场前景。
At the time, coca leaf extract mixed with wine was a common tonic, and Pemberton's sweet brew was a way to get around local laws prohibiting the sale of alcohol.
当时,古柯叶提取物混合酒是一个常见的滋补品,潘伯顿的甜酒则是一种可以绕过当地禁止售酒的法律的方法。
With help from the sun's heat, the alcohol content in vodka destroys unwanted broad-leaf weeds -- such as dandelions, chickweed and wild onion -- by breaking down their waxy-cuticle coverings.
在阳光的热量同时作用下,酒精成分能够通过分解糯角质层杀死一些阔叶杂草——比如蒲公英、繁缕、野葱。
Sample of plant leaf was pulverized with absolute alcohol in a mortar to extract chlorophyll from the leaf.
将植物叶试样置于研钵中用无水乙醇研磨,使植物叶中叶绿素溶入乙醇中。
Objective: to research the chemical compositions of alcohol extraction from Psidium Guajava L. leaf, and to provide the scientific proof for the exploitation of this herbal resource.
目的:研究水番桃叶乙醇提取物的化学成分,为开发该药用资源提供科学依据。
The lotus leaf extract is extracted from heating the lotus leaves with alcohol before reflux;
荷叶用乙醇加热回流提取得荷叶提取物浸膏;
The styptic fibre composition is composed of polyvinyl alcohol, gelatin, sweetgum leaf extract and berberine hydrochloride.
一种止血纤维的组成,包括有聚乙烯醇、明胶、枫香叶提取物及盐酸黄连素。
The styptic fibre composition is composed of polyvinyl alcohol, gelatin, sweetgum leaf extract and berberine hydrochloride.
一种止血纤维的组成,包括有聚乙烯醇、明胶、枫香叶提取物及盐酸黄连素。
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