coumarin单词基本解析:
n.香豆素n. 香豆素
n.香豆素;
coumarin变化用词:
形容词: coumaric |
coumarin英英释义:
coumarin中文词源:
coumarin用法和例句:
coumarin
3 - phenyl - 7 - amino coumarin
3-苯基-7-氨基香豆素
3-Phenyl-7-amino Coumarin and Coumarin Fluorescent Brightener
3-苯基-7-氨基香豆素和香豆素类型荧光增白剂
6 - methyl coumarin
6-甲基香豆素
7 - methoxy coumarin
7-甲氧基香豆素
7 - hydroxy - 4 - methyl coumarin
7-羟基-4-甲基香豆素
A peak power of more than 0.60MW is generated at 4500 ?, the center wavelength of eoumarin 47. When coumarin 152 is used alone, a broad tuning range of up to 1042 ? has been obtained, which is close to its fluorescence linewidth of 1200 ?.
Coumarin47染料的中心波长4500?处的峰值功率大于0.60兆瓦。 仅用Coumarin152一种染料,调谐范围宽达1042?,与其荧光谱线宽度1200?相近。
Primary Determination of Content of Coumarin in different Speciesform Radix Peucedani by HPLC
HPLC法测定不同品种前胡香豆素含量的初步研究
The skeleton of sensors include monomer and oligomer of coumarin, gold nanoparticle and silica nanoparticle.
一旦使感测器分子与分析蛋白质结合,可藉由所设计的信号读出,达到辨识侦测效果。
Interaction between Natural Pharmaceutical Homologues of Coumarin and Bovine Serum Albumin
三种香豆素类中药小分子与牛血清白蛋白的相互作用
Keywords Lappula echinata Gilib (LEG);coumarin (CM);Verapamil (Ver);ileal smooth muscle;
东北鹤虱;香豆素类;维拉帕米;回肠平滑肌;
ethyl coumarin
乙基香豆素
ethoxy coumarin
乙氧基香豆素
Besides coumarin,terpenoid,phenylpropanoid and volatile oil,the typical constituents in this genus were naphthodianthrones,acylphloroglucinols,xanthones and flavonoids.
也含有香豆素、苯丙素、萜类和挥发油等其它类型的化学成分。
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(8?羟基口喹啉)化铝里,加入了少量的萤光染料香豆素。
7. 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(8?羟基口喹啉)化铝里,加入了少量的萤光染料香豆素。收藏指正
Keywords Umbelliferae;Angelica czernaevia Kita;coumarin;HPLC;PCA analysis;
伞形科;小前胡;香豆素;高效液相色谱法;主成分定量分析;
Keywords photodimerization reaction;coumarin;photocycloaddition;
光环合加成;香豆素;光二聚反应;
Keywords photosensitive photopolymerization;photobleaching;triplet sensitization;coumarin;initiator;
光聚合;光漂白;三线态敏化;香豆素;引发剂;
Keywords Angelica dahurica;Coumarin;Analgesic;Anti-spasticity;
关键词白芷;香豆素;镇痛;解痉;
Keywords cortex fraxini total coumarin;primary acute gouty arthritis;sign of dampness obstructing connecting vessel;relieve pain;explorative clinical trial;
关键词秦皮总香豆素;原发性急性痛风性关节炎;湿热阻络证;止痛;探索性临床试验;
Keywords Fluorescence;chemical sensor;Covalently immobilization;PVC;Fluorescence carrier;Coumarin;Carbazole;Anthraquinone;Porphrine;Pyrene;
关键词荧光化学传感器;共价固定;PVC;荧光指示剂;香豆素;咔唑;蒽醌;卟啉;芘;
Keywords Coumarin 1;Fluorescence spectrum;TICT state;Hydrogen bond;
关键词香豆素-1;荧光光谱;TICT态;氢键;
Keywords Coumarin;Cigarette smoke;Post layer;Thin layer separate.;
关键词香豆素;卷烟烟气;柱层析;薄层层析;
Keywords Coumarin;Laser dye;Structural features;Solvent effects;Polarity parameters;
关键词香豆素;激光染料;结构特征;溶剂效应;极性参数;
Keywords Zanthoxylum dimorphophyllum var. spinifolium;chemical constituents;coumarin;
刺异叶花椒;化学成分;香豆素;
Keywords Cosmetic;Gas chromatograephy-mass spectrometry;Safrole;6-methyl coumarin;
化妆品;气相色谱-质谱;黄樟素;6-甲基香豆素;
Keywords Exocarpium Citri Grandis;Coumarin;Isoimperator;Bergapten;
化橘红;香豆素;异欧前胡素;佛手内酯;
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
In this research,we choice coumarin which widespread existence in many species of plant as the allelochemical,and an important crops - rice as the receptor plant.
同时,诱发细胞有丝分裂出现异常,包括染色体桥、断片、双核细胞、末期解螺旋不同步、落后染色体等现象。
Keywords Calanolide: four cyclic coumarin s derivatives;anti-AIDS drug;Austin Model 1(AM1);theoretical calculation;predomination conformation;
四环香豆素衍生物;抗爱滋病药物;半经验量化方法;理论计算;优势构象;
Keywords solid state photoreaction;mixed crystal;coumarin;indole;solid spectrum;
固相光反应;混晶;香豆素;吲哚;固体光谱;
Study on Cyanation Mechanism of Cyanating Coumarin with NaCN Based on Atmospheric Pressure Ionization-Electrospray Mass Spectrometry
大气压电喷雾离子源质谱研究氰化反应机理
Keywords Chloranthus henryi;coumarin;sesquiterpene;
宽叶金粟兰;香豆素;倍半萜;
It contains richly more than 40 compounds such as salidroside,flavonoids ,amino acids ,microelements ,tyrosol,coumarin,and so on. the content of salidroside was over 3%.
富含红景天苷、黄酮、氨基酸、微量元素、酪醇、香豆素等40余种化合物,其中红景天苷含量高达3%。
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。
total coumarin of Radix Angelice dahuricae
川白芷总香豆素
The natural aldehyde compounds are present as phenylpropanoid,terpenoid,saponin,alkaloid,coumarin,anthraquinone and so on.
带有醛基的天然化合物,具有苯丙素、萜类、皂苷类、生物碱、香豆素和蒽醌等多个存在的类型。
The chemical raw materials such as 2-Nitrobenzaldehyde and 4-Hydroxy Coumarin are also within the production range.
并生产医药化工原料邻硝基苯甲醛及4-羟基香豆素。
The relationship was tested by using tryptophan, coumarin, benzene and 2-nitrophenol as model, which indicated that the experimental results matched well with the theoretical prediction.
并用色氨酸、香豆素、苯和2-硝基酚在不同速率差实现堆积时的相关参数进行了验证。
Study on coumarin derivative lasing dyes[J].
引用该论文 何斌,程铸生.
Keywords microwave irradiation;4-(N;N-diethylamino) salicylal;coumarin;fluorescence performance;
微波辐射;4-(N;N-二乙氨基)水杨醛;香豆素;荧光性能;
total coumarin
总香豆素
Organic light emitting diodes(OLED)employing an Ir complex with coumarin(C6)and acetylacetone(acac)ligands Ir(C6)_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。
Keywords Prana discifera;flavonoids;chromone;coumarin;
搭棚藤;黄酮;色酮;香豆素;
Abstract BACKGROUND & AIM: Osthole is a natural coumarin compound, this paper reports on the anti-tumor activities of osthole in vitro and in vivo.
摘要 背景与目的: 蛇床子素是天然存在的香豆素化合物,本研究旨在检测天然蛇床子素在小鼠体外和体内的抗肿瘤活性。
The histochemical allocation of the coumarin in the root, the blade and the petiole of the Glehnia littoralis was studied by using the fluorescent microscopy and the light microscopy.
摘要利用冷冻切片技术和常规石蜡制片技术,分别通过荧光显微镜和光学显微镜对珊瑚菜的根、叶片、叶柄等部位中的香豆素进行了组织化学定位。
The structural identification of natural products by using UV spectrometry was reviewed including flavones, anthrquinone, saponins, and coumarin.
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。
Abstract: BACKGROUND & AIM: Osthole is a natural coumarin compound, this paper reports on the anti-tumor activities of osthole in vitro and in vivo.
文章摘要: 背景与目的:蛇床子素是天然存在的香豆素化合物,本研究旨在检测天然蛇床子素在小鼠体外和体内的抗肿瘤活性。
METHOD:Bromine and sulfonylurea functional groups were introduced into the structure of coumarin,and the hypoglycemic activity of the target compounds was investigated.
方法:运用拼合原理,以具有降血糖活性的香豆素为母环,在其结构中引入溴和磺酰脲基团并测定目标化合物对小鼠的降血糖活性。
METHODS Sulfonylurea functional groups were introduced into the structure of coumarin, and the hypoglycemic activity of the target compounds was measured.
方法:运用拼合原理,以具有降血糖活性的香豆素为母环,在其结构中引入磺酰脲基团并测定目标化合物对小鼠的降血糖效果。
Interestingly coumarin, the substance which gives newly mown hay its characteristic odor, is employed to impart a vanilla flavor to certain inferior tobacco products, and can be found as an ingredient in certain perfumes (2).
有趣的是,双香豆素,这种能够为新的轮车草提供特殊气味的物质,被添加于劣质香烟用作香草香精,在香水中其也被用作香料。
It has been proved in our experiments that (1) Dihydrocoumarin can be formed from the reaction between coumarin and tetralin;
本实验证明了: (1)香豆素和四氢萘反应生成氢化香豆素;
Keywords Ledum palustre L.;SFE-CO_2;HPLC;essential oil;coumarin;ursolic acid;
杜香;超临界二氧化碳萃取;高效液相色谱法;精油:香豆素;熊果酸;
Keywords Coumarin;Radix Angelicae Dahuricae;Pentobarbital Sodium;Barbital Sodium;Hypnotic Effect;
杭白芷香豆素;戊巴比妥钠;巴比妥钠;催眠作用;
Keywords Dye sensitization;Electron transfer;Photosensitive polymerization;Coumarin dye;
染料敏化;电子转移;光敏聚合;香豆素染料;
The roots contain triterpenoid saponins, coumarin and small amount of alkaloid. The leaves contain 0.03% of ursolic acid,(C3OH48O3。)
根据广东韶关地区药检所化学预试表明根含三萜皂甙、内酯(或香豆精),少量生物碱。叶含0.03%的乌苏酸(乌索酸亦名熊果酸、乌苏酸,(C3OH48O3。)。
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。
Keywords Oxidative coupling copolymerization;Coumarin;Light emitting;Color-tunable;
氧化偶联共聚合;香豆素;发光;颜色可调;
Keywords alkylamino coumarin;diaryliodonium salt;electron transfer;photopolymerization;
氨烷基香豆素;二芳基碘鎓盐;电子转移;光聚合;
Keywords salicylic acid;hydroxyl coumarin derivative;fluorescence;
水杨酸;羟基香豆素衍生物;荧光;
Keywords Citrus grandis Osbeck.;Chemical constituents;Coumarin;Isolation;Identification;
沙田柚皮;化学成分;香豆素;分离;鉴定;
Streak images of Rhodamine 6G and Coumarin 314 are obtained and the results agree well with those reported in the literatures.
测量了若丹明6G和香豆素314两种标准荧光染料的荧光寿命,取得了与参考文献一致的实验结果。
Keywords Rhododendron dauricum L.;Flavone;Flavanone;Coumarin;Volatile oil;
满山红;黄酮;二氢黄酮;香豆素;挥发油;
Keywords Pharbitis nil Choisy;amide;tyramine;coumarin;uricil;
牵牛;酰胺;对羟基苯乙胺;香豆素;尿嘧啶;
The influences of the catalyst, activator, acetic anhydride and thermostatic reaction temperature and time on the yield of coumarin were studied.
用 HPL C跟踪反应过程 ,对催化剂和活化剂的用量、乙酸酐的用量和用法及保温反应的温度和时间对香豆素收率的影响进行了研究 .
Salts of coumaric acid were studied by means of UV,IR and MS.It was found that salts of coumaric acid were used the precursor-aroma compound of the coumarin.
用UV、IR及MS法研究了香豆酸盐系列化合物的谱学特征,得出了香豆酸盐可作为香豆素香料的前驱体的结论。
bromomethy! substituted coumarin
甲基取代的香豆素
Keywords Methoxy 4 methene coumarin monoaza 18 crown 6;Cation recognition;Association constant;Mechanism;
甲氧基-4-亚甲基)香豆素基-单氮杂-18-冠-6;阳离子识别;稳定常数;机理;
methoxy coumarin
甲氧基香豆素
Keywords Heracleum rapula;constituents;coumarin;bicoumarin;
白云花;化学成分;香豆素;双香豆素;
Coumarin of Angelicae dahuricae
白芷香豆素
OBJECTIVE: To study and evaluate the status quo of the clinical use of coumarin anticoagulants.
目的:对香豆素类抗凝药的临床应用现状进行评价和研究。
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。
Objective: To understand the progress of study on coumarin of angelicae dahuricae.
目的了解中药白芷香豆素类成分的研究进展。
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。
Objective This paper carries on anti-tumor activities research of the natural coumarin compound osthole to many tumors;
目的本文天然香豆素化合物蛇床子素对多种瘤谱的抗肿瘤活性;
Objective This paper carries on anti-tumor activities research of the natural coumarin .pound osthole to many tumors;
目的本文研究天然香豆素化合物蛇床子素对多种瘤谱的抗肿瘤活性;
Objective To develop a method for separation and determination of safrole and 6-methyl coumarin in cosmetics by GC-MS.
目的研究建立用气相色谱-质谱联用法测定化妆品中黄樟素、6-甲基香豆素的方法。
Objective To study the antitumor activity of noviose 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。
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。
用作名词(n.)Too much coumarin in the diet can cause liver damage.However, she agrees that there's no reason to worry about sprinkling cinnamon on a child's oatmeal.
虽然食物中如果有太多的香豆素会导致肝脏受损,但是,她认为也不需要担心小孩子燕麦粥上洒的那么一点点肉桂。