单词香豆素的汉英翻译


香豆素

[xiāng dòu sù]
    coumarin; cumarin; coumarinic lactone; tonka bean camphor; coumarin, 1, 2-benzopyrone; coumarin cumarin





coumarin [ku:mәrin]
    n.[化]香豆素

cumarin
    n.[化]香豆素,零陵香素

lactone [læktәun]
    n.[化] 内酯

bean [bi:n]
    n.豆,豆形果实

camphor [kæmfә(r)]
    n.[化]樟脑



单词香豆素的英汉对照例句


丙酮苄羟香豆素白色复合晶体,分子式为c19h16o4,用于灭杀啮齿类动物,并在医学上用作抗凝血剂
A white crystalline compound c19h16o4 used to kill rodents and medicinally as a blood anticoagulant.
并通过与同期草木樨中香豆素,双香豆素含量的比较,建议草木樨作为饲草应在开花期之前利用较适宜。
Compared with the content of cumarol and dicumarol of sweet clover in the same growing stage these results of analysis showed that it is better to use sweet clover as a feed before the period of flowering.
典型呼吸链抑制剂诸如:抑制fe-s中心的cu2+,甲基萘醌类似物标桩菌素,抑制甲基萘醌氧化型向还原型转化的双香豆素和细胞色素p450的专一抑制物甲吡酮等对腐殖质的还原有着极为显著的抑制作用,为进一步证明希瓦氏菌(shewanellacinica)d14t可利用腐殖质进行厌氧呼吸提供了有力的佐证。
The typical inhibitors such as cu~ 2+ which inhibited fe-s center stigmatellin which was methyl-naphthoquinone model dicumarol which inhibited oxidized methyl-naphthoquinone transform to reduced one metyrapone which was specific inhibitor for p450enzyme blocked the humus respiration seriously.
对苯醌与乙酸酐经14-加成生成124-苯三酚三乙酸酯,然后与苹果酸反应经水解、环合反应得67-二羟基香豆素,再经甲基化得到67-二甲氧基香豆素,总收率为74。4%,整个过程反应条件温和,操作方便,适合工业生产的要求,对产品结构进行了ir和1hnmr表征。
Hydroxyquinol triacetate was prepared from p-benzoquinone by14-addition reaction with acetic anhydride and then67-dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. Then67-dimethoxy coumarin was synthesized by methylating from67-dihydroxy coumarin with an overall yield of74.4%. The procedure was practical.its structure was confirmed by ir and1hnmr.
华法令是目前最常用的此类药物,它是一种合成的双香豆素类,比天然复合物强5-10倍。
Warfarin a synthesized version of dicumarol is5to10times stronger than the original compound and is the most commonly used oral anticoagulant.
山莓茎叶香豆素成分的初步研究。
A primary study on coumarin component in the stems and leaves of rubus corchorifolius l.f.
微粒体的nadph氧化系?活力不受氰化物、双香豆素、24二硝基酚、5乙,5(?)
An active system for the oxidation of nadph by air which was insensitive to cyanide dicumarol amytal azide and24-dinitrophenol has been observed in the microsome fraction.
香豆素类与黄酮类为其主要活性成分。
Coumarin and flavonids is the main component.
研究人员发现,造成六名香豆素衍生物、安神扩血管效应。
Researchers have identified six coumarin derivatives that exert antispasmodic and vasodilatory effects.
以68-二取代香豆素-13-羧酸为侧链酸,用酰氯法与7-adca、7-aca、7-act、7-acd缩合,合成了15个68-二取代香豆素-3-甲酰胺头孢菌素衍生物(Ⅵ)。
A series of the cephalosporin derivatives were designed and prepared by means of the direct condensation of68-disubstituted coumarin-3-carboxylic acids and the7-aminogroup of7-adca 7-aca 7-act or7-acd.isolation and purification were then conducted with the combined method on sephadex lh-20column chromato graphy and centrifagel-t.
摘要综述了紫外光谱法在天然产物黄酮类、蒽醌衍生物、皂甙以及香豆素类化合物结构测定中的应用。
The structural identification of natural products by using uv spectrometry was reviewed including flavones anthrquinone saponins and coumarin.
香豆素,氧杂萘邻铜一种碎片状晶体化合物,c9h6o2,从几种植物中提取,如零陵香豆和草木樨植物,或有机合成且广泛用于香水业
A fragrant crystalline compound c9h6o2 extracted from several plants such as tonka beans and sweet clover or produced synthetically and widely used in perfumes.

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