华法令是一种合成的双香豆素，比原始复合物强5到10倍。
Warfarin, a synthesized version of dicumarol, is 5 to 10 times stronger than the original compound.
目的合成香豆素基本骨架化合物。
主要成分：凤梨鼠尾草，香豆素，香叶醇。
在水果和蔬菜中被发现的香豆素具有抗菌活性。
Coumarins found in fruits and vegetables exhibit antimicrobial activity.
用无水碳酸钾代替无水醋酸钠催化合成了香豆素。
Coumarin has been synthesized in Perkinreaction of acetic anhydride and salicylaldehydecatalyzed by anhydrous potassium carbonate.
香豆素类化合物是一类重要的化工、医药中间体。
Coumarins are a kind of very important chemical and pharmaceutical intermediates.
结果展示了中药白芷香豆素类成分的最新研究进展。
Results: The recent progress of study on Coumarin of Angelicae dahuricae were displayed.
用于生产双香豆素、新抗凝，华法林等抗凝血药物。
For the production of double-coumarin, a new anticoagulant, warfarin, and other anti-clotting drugs.
这类4-羟基香豆素衍生物是一类口服抗凝血药物。
Such 4 - hydroxycoumarin derivatives are a class of oral anti-clotting drugs.
方法：采用HPLC法测定不同种前胡的总香豆素含量。
Method: To determine the content of total coumarines in the different species of Qian-Hu by HPLC.
双香豆素因吸收不规则、不完全，已被华法林等所取代。
Dicoumarin due to absorption of irregular, incomplete, has been replaced by warfarin.
本文对四氢萘和香豆素的反应动力学和反应机理作了研究。
This paper is concerned with the kinetics and mechanism for the reaction between tetralin and coumarin.
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.
因此对在离子液体介质中的香豆素合成具有很高的研究意义。
So right in ionic liquid medium of coumarin synthesis of high significance.
目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性。
Objective To study the antitumor activity of otiose and coumarin in novobiocin.
比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料。
Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied.
伞形科植物的成分主要有挥发油、香豆素、色原酮及其苷类。
Umbelliferae plants mainly contain essential oil, coumarin, chromone and glycoside.
目的观察杭白芷香豆素组分（CAD）的解热镇痛抗炎作用。
Objective To observe the antipyretic-analgesic and anti-inflammatory effects of total coumarins from Radix Angelicae Dahurica(CAD).
目的：探讨不同的随访方式对苄丙酮香豆素钠抗凝疗效的影响。
Objective: To investigate the influence of the different style of follow-up visit to the anticoagulation effect of warfarin.
秦皮饮片炮制过程中，“洗净，润透”过程对香豆素类成分影响较大。
In the process of cutting up, "washing clean" and "moistening" influenced for the contents of coumarins.
采用罗丹明-B与香豆素混合的方法，配制成敏化剂修饰纳米晶薄膜。
The dye Rhodamine B and coumarin mixture is used to sensitize nanocrystalline porous films.
综述了近年来发现的呋喃香豆素化合物的类别、活性及合成方面的情况。
In this article, the recent development of categories, activities, separation and synthesis of furanocoumarin were reviewed.
目的：用高效液相色谱法对苗药飞龙掌血中异茴芹香豆素含量进行测定。
Objective: To Determine the content of isopimpinellin in root of Toddalia asiatica.
用该法计算了呋喃、吡咯和香豆素的环内键角，计算结果与实验值很接近。
The method was applied to the calculation of the ring bond angles of furan, pyrrole, and coumarin. The calculated results are in good agreement with the experimental data.
这一组中包括黄酮类化合物，二苯甲酮、一些香豆素、木质素、缩合单宁和芪。
The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.
血液稀释剂抗凝剂可以降低产生血凝块的危险。包括肝素、华法林(香豆素)。
Blood thinners. Medications called anticoagulants help decrease your blood's ability to clot and reduce your risk of developing blood clots. Anticoagulants include heparin or warfarin (Coumadin).
且列举了一些具有巨大潜在应用前景或已进行临床研究的香豆素衍生物的合成。
And then, synthesis of some coumarin derivatives with great potential application or in clinical studies was given as an example.
结论：本法简便、准确、重现性好，可用于飞龙掌血中茴芹香豆素的含量测定。
Conclusion: The method is simple and accurate, with a good reproducibility, and can be used as a quantitative analysis method.
方法：对不同产地、不同采集时间的水曲柳药材皮中的香豆素成分进行指纹图谱研究。
METHODS: The HPLC fingerprints of Coumarins in Mandshurica Fraxinus from different place and harvested at different time were studied.
方法：对不同产地、不同采集时间的水曲柳药材皮中的香豆素成分进行指纹图谱研究。
METHODS: The HPLC fingerprints of Coumarins in Mandshurica Fraxinus from different place and harvested at different time were studied.
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