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......

This article mainly worked on methods to reduce side reactions of the de-ethylating type catalyst for xylene isomerizati......

采用HCl溶液和/或水热处理HEU-1分子筛,利用X射线衍射、N2吸附-脱附、X射线荧光光谱、NH3程序升温脱附、吡啶吸附傅里叶变换红外光......

Ethylene oligomerization using ZSM-5 zeolite was investigated to study the role of Bronstedacid sites in the formation o......

Na Y zeolite was modified through dealumination with oxalic acid,and the HY zeolite was obtained by calcination of the m......

Effects of hydrochloride acid dealumination of mordenite (MOR) catalysts for the synthesis of 1-phenyl-1-xylyl ethane (P......

海蜇加工是我国传统的加工产业,新鲜海蜇需经多次盐矾处理脱水去毒制成盐渍海蜇,从而引起了产品中高浓度的铝残留。铝残留问题长期......