目的 :探讨中重度牙周炎患者的焦虑水平。方法 :选取 10 0例中重度牙周炎患者 (PPD≥ 4mm ) ,采用以状态 -特质焦虑询问表 (STAI)......

目的:研究高海拔环境下援藏人员的情绪变化特点及其影响因素。方法:采用状态-特质焦虑(STAI)和抑郁自评量表(SDS)对援藏某工作团体......

Electrocarboxylation of anthrone in the presence of CO2 to anthrance-9-carboxylic acid directly was carried out. The ele......

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......

外科手术患者术前普遍存在着焦虑情绪,高度术前焦虑对手术术中平稳、术后恢复等均产生消极影响,给患者带来身心危害.近年来,不断有......

In order to enhance the corrosion resistance of 304 stainless steel,niobium was electrodeposited on its surface in air- ......