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- coumarinic anhydride 香豆酸酐
- 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 .
- Study on coumarin derivative lasing dyes[J]. 引用该论文 何斌;程铸生.
- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT与pH值的关系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化学品乙酸酐、麻黄碱等.
- Hexahydro-4-methylphthalic anhydride, mixture of cis an... 询价 六氢-4-甲基邻苯二甲酸酐;
- Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker. 向盛有10?蟠姿狒?的烧杯内加入5g二水合物结晶。
- N-phenyl maleimide was synthesized from maleic anhydride and aniline. 摘要以顺酐和苯胺为原料,合成N-苯基马来酰亚胺。
- The kinetics of esterification of linalool with acetic anhydride was studied. 研究了芳樟醇与乙酸酐酯化反应动力学。
- A polyamide imide was synthesized from trimelltic anhydride and di isocyanate. 本文用偏苯三酸酐和二异氰酸酯合成了一种新型聚酰胺酰亚胺。
- A copolymer has been synthesized from acrylic acid and maleic anhydride. 以丙烯酸和马来酸酐为原料合成出了一种共聚物。
- Poly(PEG(1)-adipic anhydride(2)) was synthesized by melt polycondensation. 采用熔融缩聚法合成了PEG(1)-己二酸酐(2)聚合物。
- OBJECTIVE To study the feasible synthesis method of poly-sebacic anhydride. 目的研究聚癸二酸酐适宜的合成方法。
- The endo anhydride method is the main process in chemical synthesis today. 化学合成法中的内酐法为现阶段的主要生产方法;
- Acid and anhydride functionalized PP, PE and EVA forms are available. 酸或者酸酐功能化PP、PE和EVA等形式都是有的。
- 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。
- 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。
- 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。
- 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。
- The electroreduction behaviour of coumarin and its derivatives in DMSO was studied by using cyclic voltammetry. 采用循环伏安法对香豆素及其衍生物的电还原进行研究;
