• In this paper, the methods of preparing leaf alcohol as well as its application and prospect in domestic and abroad were reviewed.

    本文综述国内外制取各种方法及其应用开发现状,展望了其发展前景。

    youdao

  • A new path for the preparation of leaf alcohol with 3-chloropropanol, triphenylphosphine and propionaldehyde through Wittig reaction was studied.

    本文研究3-氯丙三苯基膦原料利用威蒂希反应合成路线

    youdao

  • Leaf alcohol is an important perfumery component. This paper reviews its preparing methods, recent research progress, applications, and market prospect.

    综述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市场前景

    youdao

  • 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常见滋补品,潘伯顿甜酒则是一可以绕过当地禁止酒的法律的方法。

    youdao

  • 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.

    阳光热量同时作用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、野葱。

    youdao

  • Sample of plant leaf was pulverized with absolute alcohol in a mortar to extract chlorophyll from the leaf.

    植物试样置于研中用无水乙醇研磨,使植物叶中叶绿素溶入乙醇中。

    youdao

  • 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.

    目的研究乙醇提取物化学成分开发该药用资源提供科学依据。

    youdao

  • The lotus leaf extract is extracted from heating the lotus leaves with alcohol before reflux;

    荷叶乙醇回流取得荷叶提取物浸膏

    youdao

  • The styptic fibre composition is composed of polyvinyl alcohol, gelatin, sweetgum leaf extract and berberine hydrochloride.

    种止血纤维组成包括聚乙烯醇明胶香叶提取物及盐酸黄连素。

    youdao

  • The styptic fibre composition is composed of polyvinyl alcohol, gelatin, sweetgum leaf extract and berberine hydrochloride.

    种止血纤维组成包括聚乙烯醇明胶香叶提取物及盐酸黄连素。

    youdao

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