为了系统认识虚拟现实技术在用户体验设计应用研究的全局概况,运用科学知识图谱的方法,涵盖时间、国家/地区、机构和作者的产出情况、研究热点聚类、知识基础以及研究演化等多个方面,对Web of Science数据库1998-2022年间的学术文献进...为了系统认识虚拟现实技术在用户体验设计应用研究的全局概况,运用科学知识图谱的方法,涵盖时间、国家/地区、机构和作者的产出情况、研究热点聚类、知识基础以及研究演化等多个方面,对Web of Science数据库1998-2022年间的学术文献进行了分析。结果显示,国际研究里发达国家影响较大,其中高等院校是研究的主要机构;国际研究聚焦于环境(environments)、增强现实(augmented reality)、沉浸感(immersion)等;教育、虚拟环境、用户满意度以及可用性成为近几年国际研究热点;国际研究的关键词聚类可分为#1用户体验(User experience)、#2用户接受度(User acceptance)、#3虚拟环境(Virtual environment)、#4可视化设计(Visual design)4大类。国际研究者未来可关注用户体验环境或服务的设计理念、沉浸式体验、交互设计以及增强现实等方面。展开更多
Superhydrophobic surface was prepared on the zinc substrate by chemical solution method via immersing clean pure zinc substrate into a water solution of zinc nitrate hexahydrate[Zn（NO3）2.6H2O] and hexamethylenete- t...Superhydrophobic surface was prepared on the zinc substrate by chemical solution method via immersing clean pure zinc substrate into a water solution of zinc nitrate hexahydrate[Zn（NO3）2.6H2O] and hexamethylenete- traamine（C6H12N4） at 95 ℃ in water bath for 1.5 h, then modified with 18 alkanethiol. The best resulting surface shows superhydrophobic properties with a water contact angle of about 158° and a low water roll-off angle of around 3°. The prepared samples were characterized by powder X-ray diffraction（XRD）, X-ray photoelectron spectroscopy （XPS）, energy-dispersive X-ray spectroscopy（EDX）, transmission electron microscopy（TEM）, and scanning electron microscopy（SEM）. SEM images of the films show that the resulting surface exhibits flower-shaped micro- and nano-structure. The surfaces of the prepared films were composed of ZnO nanorods which were wurtzite structure. The special flower-like micro- and nano-structure along with the low surface energy leads to the surface superhydro- phobicity.展开更多
基金Supported by the National Natural Science Foundation of China(Nos.20773014,20933001)
文摘Superhydrophobic surface was prepared on the zinc substrate by chemical solution method via immersing clean pure zinc substrate into a water solution of zinc nitrate hexahydrate[Zn（NO3）2.6H2O] and hexamethylenete- traamine（C6H12N4） at 95 ℃ in water bath for 1.5 h, then modified with 18 alkanethiol. The best resulting surface shows superhydrophobic properties with a water contact angle of about 158° and a low water roll-off angle of around 3°. The prepared samples were characterized by powder X-ray diffraction（XRD）, X-ray photoelectron spectroscopy （XPS）, energy-dispersive X-ray spectroscopy（EDX）, transmission electron microscopy（TEM）, and scanning electron microscopy（SEM）. SEM images of the films show that the resulting surface exhibits flower-shaped micro- and nano-structure. The surfaces of the prepared films were composed of ZnO nanorods which were wurtzite structure. The special flower-like micro- and nano-structure along with the low surface energy leads to the surface superhydro- phobicity.
