coumarin的例句大全

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

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

Ethyl coumarin-3-carboxylate was synthesized from salicylaldehyde and diethyl malonate in absolute alcohol by Knoevenagel condensation reaction using hexahydropyridine as the catalyst. Hydrolysis of the reaction product with sodium hydroxide gave coumarin-3-carboxylic acid.

在无水乙醇中，以六氢吡啶为催化剂，通过水杨醛与丙二酸二乙酯的Knoevenagel缩合反应合成了香豆素-3-羧酸乙酯，再经水解、酸化得到香豆素-3-羧酸。

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

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。

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。

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

A New Coumarin Glucoside from the Fruits of Citrus aurantium

酸橙中一个新的香豆素苷

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

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

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；

Mice were injected intraperitoneally with hydrocortisone acetate to replicate the animal model of Kidney Yang Deficiency ( KYD). Osthol and total-coumarins ( TCR) from the fruit of Cnidium monnieri were administered orally to model mice.

采用醋酸氢化可的松肾阳虚小鼠模型，观察蛇床子素（osthol）和蛇床子总香豆素（TCR）对肾阳虚小鼠免疫功能的影响。

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

a primary study on coumarin component in the stems and leaves of rubus corchorifolius l. f.

山莓茎叶香豆素成分的初步研究。

synthesis of coumarin using a catalyst activated by hexadecyl - trimethyl - ammonium bromide

十六烷基三甲基溴化铵活化催化合成香豆素

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。

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。

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

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