coumarin

Organic light emitting diodes ( OLED ) employing an Ir complex with coumarin ( C 6 ) and acetylacetone ( acac ) ligands Ir ( C 6 ) _ 2 ( acac ) are studied.

所研究的有机电致磷光发光器件 ( OLED ) 选用了一种新型金属铱的化合物Ir ( C6 ) 2 ( acac ),这种金属化合物由配位体香豆素C6和乙酰丙酮 ( acac ) 与金属铱化合形成.

on the basis of coumarin lasing dyes, a series of pyran type lasing dyes have been synthesized by rigidization and cyclization.

在香豆素激光染料的基础上进行刚化环构，合成了10个吡喃类激光染料。

Study of Determinative Method of Coumarin in Cigarette Smoke

卷烟烟气中香豆素的分离及测定方法的研究

Astilbe mainly contains coumarin, flavonoids, sterols and acidic component, with the effects of eliminating stasis to stop pain, dispelling wind to eliminate dampness, relieving cough by cooling etc.

落新妇属植物主要含香豆素、黄酮类、甾醇类、酸性成分等，药理作用表明有散瘀止痛、祛风除湿、清热止咳等作用。

A Reverse Friedel-Crafts Reaction and the Synthesis of Benzo [ h] coumarin z

一种逆付－克反应及苯并〔h〕香豆素的合成

It indicated that coumarin and isoimperatorin were main coumarins in Tomentose Pummelo Peel.

各样品中基本以香豆素和异欧前胡素这两种香豆素含量为主。

Studies on the reaction between tetralin and coumarin ⅰ. the reaction of coumarin and Dihydrocoumarin in hydrogen donator solvent

四氢萘与香豆素反应研究&Ⅰ.供氢溶剂下香豆素和氢化香豆素反应行为研究

Results: The recent progress of study on Coumarin of Angelicae dahuricae were displayed.

结果展示了中药白芷香豆素类成分的最新研究进展.

This paper is concerned with the kinetics and mechanism for the reaction between tetralin and coumarin.

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。

Microwave-induced synthesis and antibacterial activity of thiosemicarbazone compounds based on coumarin-skeleton

微波辐射下香豆素基缩氨基硫脲化合物的合成和抑菌活性研究

objective: to compare the pharmacological effect of the main coumarin constituents of peucedanum praeruptorum from jiangxi and he nan.

目的：比较江西和河南产白花前胡香豆素类主成分的药理作用。

explorative clinical trial on effect of relieving pain in treatment of patients with primary acute gouty arthritis by cortex fraxini total coumarin

秦皮总香豆素对原发性急性痛风性关节炎止痛效应的探索性临床试验

Objective To study the antitumor activity of otiose and coumarin in novobiocin.

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.

synthesis and bio-activity of coumarin derivatives and studies on its relationships between activity and lipophilicity

香豆素衍生物的合成及其活性与相对亲脂水性的关系

The Catalytic Synthesis of Coumarin in the Presence of Potassium Fluoride Supported by Aluminium Oxide

三氧化二铝固载氟化钾催化合成香豆素

coumarin found in sweet clover hay, is converted to dicoumarin by fungi

草木樨属干草中的香豆素被真菌转化为双香豆素

Experimental study on synthesis of salicylaldehyde and coumarin from cooking phenol

焦化苯酚合成水杨醛、香豆素的实验研究

A New Coumarin Glucoside from the Fruits of Citrus aurantium

酸橙中一个新的香豆素苷

Coumarin and flavonids is the main component.

香豆素类与黄酮类为其主要活性成分.

The results showed that the main flavor components, dihydrocoumarin and coumarin, in tonka beans were dramatically influenced by high-voltage static field.

结果表明，高压静电场对黑香豆的主要致香成分&香豆素和二氢香豆素有较显著的影响。

Objective To establish a high performance liquid chromatographic method for determination of 6-methyl coumarin in cosmetics.

目的建立化妆品中 6- 甲基香豆素的高效液相色谱测定方法.

Researchers have identified six coumarin derivatives that exert antispasmodic and vasodilatory effects.

研究人员发现,造成六名香豆素衍生物、安神扩血管效应.

They added a small amount of the fluorescent dye coumarin to the emitter material tris ( 8-hydroxy-quinoline ) aluminum.

他们在发光材料三 ( –基口喹啉 ) 铝里,加入了少量的萤光染料香豆素.

Objective : To understand the progress of study on coumarin of angelica dahuricae.

目的了解中药白芷香豆素类成分的研究进展.

synthesis of substituted coumarin compounds on phenylsulfonic acid functionalized molecular sieve

苯基磺酸官能化分子筛催化合成香豆素类化合物

conclusion: cortex fraxini total coumarin has somewhat pain relieving effect on acute gouty arthritis.

结论：秦皮总香豆素对急性痛风性关节炎有一定的止痛效应。

RESULTS: After 5 day-treatment of cortex fraxini total coumarin, both the evaluation of patients on the improvement of joint pain grades and the appraisement of physicians on relieving joint tenderness were superior to those in the placebo group, and they were in a dosage-related manner.

结果：秦皮总香豆素治疗5d后，患者对关节疼痛记分改善程度的评价，以及医生对关节压痛程度改善的评价均优于安慰剂，呈现一定的剂量效应关系；

In this dissertation, several aryl-acylhydrazones were synthesized, by the reaction of benzoyl hydrazine, 2-hydroxy benzoyl hydrazine or 4-hydroxy benzoyl hydrazine with naringenin or 8-acetyl-7-hydroxy-4-methyl coumarin, separately.

本论文中，主要通过苯甲酰肼、邻羟基苯甲酰肼、对羟基苯甲酰肼与柚皮素或4-甲基-7-羟基-8-乙酰基香豆素反应，合成了一些芳酰腙类有机配体。

Synthesis and Antibacterial Activity of Thiosemicarbazone Compounds Containing Coumarin-skeleton

含香豆素骨架的缩氨基硫脲化合物的合成和抑菌活性研究

Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied.

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.