Selectivi相关论文
Nest-cavity characteristics of the Great Spotted Woodpecker Dendrocopos major in shelter plantations
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Nest-cavity characteristics of the Great Spotted Woodpecker Dendrocopos major in shelter plantations
The Great Spotted Woodpecker Dendrocopos major (L.), one of the natural predators of Anoplophora glabripennis (Motseh.) ......
A kind of hierarchical zeolite catalyst was synthesized by hydrothermal method.X-ray diffraction (XRD)and nitrogen adsor......
Metal Ions Extraction with Glucose Derivatives as Chelating Reagents in Supercritical Carbon Dioxide
A series of glucose derivatives have been used as chelating reagents to extract metal ions in supercritical carbon dioxi......
石油化工科学研究院研制的一种新型连续重整催化剂PS-Ⅵ(研究型号),具有低积炭速率和高选择性,适用于各种类型新建连续重整装置,特......
采用混合酸酐法合成了两种双二苷酰胺(bisdidycolamide,BisDGA)萃取剂:N,N,N,N-四正辛基-N,N’-乙二基一双二苷酰胺(TOE—BisDGA)和N,N,N,N-四正......
本文探讨'数+大+NP'结构,对该结构的类固定表现、'数'的选择性和NP的选择性进行了细致的描写,认为NP的选择因为受......