Objective: To study the influence of temperature and alcohol concentration on extraction efficiency on extraction anthraquinone glycoside from polygonum cuspidate. 目的:研究提取温度和提取液乙醇浓度对从虎杖中提取蒽醌苷的影响。
The Extraction of Natural Dyes from Polygonum Cuspidate Sieb and Its Application in Soybean Protein Fabrics 虎杖天然染料提取及对大豆蛋白织物染色
Elatum Takaki in being large and having leaves contorted, perichaetial bracts long cuspidate, but differs in being larger and having leaves narrowly lanceolate, perichaetial bracts slightly concave at the base of cusp. elatumTakaki相似,但是又因它植物体更大,叶片狭披针形,雌苞叶在骤尖基部两侧略凹陷而区别于后者。
This article firstly works over the exchange visit between the construction of University City and the economic condition of cuspidate technology in GANSU province sufficiently, then analyses the developmental condition of the cuspidate technology, puts forward the investigational direction in University City at last. 本文在充分研究大学城的建设与甘肃省经济互动关系的基础上,通过对甘肃省高新技术发展条件的分析,提出了大学城高新技术的研发方向。
According to the data of end cuspidate of circular arc workpiece and involute workpiece, the paper programmes the whole solving process of the cutter profile by Matlab software. 根据给出的圆弧型工件端截形和渐开线型工件端截形数据,使用Matlab软件对整个廓形求解过程进行了程序化。