基于1996—2023年在Web of Science数据库中发表的892篇高质量文献,通过CiteSpace从发表文章数量、发表国家或地区、共引分析和关键词聚类等方面对绿色校园领域进行了信息可视化分析。确定了绿色校园领域的主要研究主题和知识结构。绿...基于1996—2023年在Web of Science数据库中发表的892篇高质量文献,通过CiteSpace从发表文章数量、发表国家或地区、共引分析和关键词聚类等方面对绿色校园领域进行了信息可视化分析。确定了绿色校园领域的主要研究主题和知识结构。绿色校园领域发展共经历三个阶段:早期研究阶段(1996—2014)侧重于基础理论和框架建立;快速发展阶段(2015—2017)注重以人为本推进了设计方法的研究与实践;稳定增长阶段(2018—2023)拓展了跨学科研究范畴以此响应可持续发展目标。结合高频关键词和发展趋势提出了未来可能的研究方向,为绿色校园研究提供了理论参考。展开更多
Discovery of materials using“bottom-up”or“top-down”approach is of great interest in materials science.Layered materials consisting of two-dimensional(2D)building blocks provide a good platform to explore new mater...Discovery of materials using“bottom-up”or“top-down”approach is of great interest in materials science.Layered materials consisting of two-dimensional(2D)building blocks provide a good platform to explore new materials in this respect.In van der Waals(vdW)layered materials,these building blocks are charge neutral and can be isolated from their bulk phase(top-down),but usually grow on substrate.In ionic layered materials,they are charged and usually cannot exist independently but can serve as motifs to construct new materials(bottom-up).In this paper,we introduce our recently constructed databases for 2D material-substrate interface(2DMSI),and 2D charged building blocks.For 2DMSI database,we systematically build a workflow to predict appropriate substrates and their geometries at substrates,and construct the 2DMSI database.For the 2D charged building block database,1208 entries from bulk material database are identified.Information of crystal structure,valence state,source,dimension and so on is provided for each entry with a json format.We also show its application in designing and searching for new functional layered materials.The 2DMSI database,building block database,and designed layered materials are available in Science Data Bank at https://doi.org/10.57760/sciencedb.j00113.00188.展开更多
肱骨颈位于肱骨大结节下方和胸大肌肌肉止点上方,是皮质骨和松质骨的交界处,易于骨折。老年人骨质疏松症的高发率导致肩部外伤时肱骨手术颈骨折的风险增加。在这种情况下,肱骨头的松质骨经常被压碎,导致关节面塌陷和骨缺损形成。手术治...肱骨颈位于肱骨大结节下方和胸大肌肌肉止点上方,是皮质骨和松质骨的交界处,易于骨折。老年人骨质疏松症的高发率导致肩部外伤时肱骨手术颈骨折的风险增加。在这种情况下,肱骨头的松质骨经常被压碎,导致关节面塌陷和骨缺损形成。手术治疗的难度在于解剖学上对关节面进行复位并保持稳定^([1])。本文介绍了采用自制生物型髓内钉结合加压锁定钢板(Locking and pressurizing steel plate,LCP)的方式治疗肱骨近端粉碎性骨折合并骨缺损的方法,并取得了显著的治疗效果,现报道如下。展开更多
文摘基于1996—2023年在Web of Science数据库中发表的892篇高质量文献,通过CiteSpace从发表文章数量、发表国家或地区、共引分析和关键词聚类等方面对绿色校园领域进行了信息可视化分析。确定了绿色校园领域的主要研究主题和知识结构。绿色校园领域发展共经历三个阶段:早期研究阶段(1996—2014)侧重于基础理论和框架建立;快速发展阶段(2015—2017)注重以人为本推进了设计方法的研究与实践;稳定增长阶段(2018—2023)拓展了跨学科研究范畴以此响应可持续发展目标。结合高频关键词和发展趋势提出了未来可能的研究方向,为绿色校园研究提供了理论参考。
基金Project supported by the National Natural Science Foundation of China(Grant Nos.61888102,52272172,and 52102193)the Major Program of the National Natural Science Foundation of China(Grant No.92163206)+2 种基金the National Key Research and Development Program of China(Grant Nos.2021YFA1201501 and 2022YFA1204100)the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB30000000)the Fundamental Research Funds for the Central Universities.
文摘Discovery of materials using“bottom-up”or“top-down”approach is of great interest in materials science.Layered materials consisting of two-dimensional(2D)building blocks provide a good platform to explore new materials in this respect.In van der Waals(vdW)layered materials,these building blocks are charge neutral and can be isolated from their bulk phase(top-down),but usually grow on substrate.In ionic layered materials,they are charged and usually cannot exist independently but can serve as motifs to construct new materials(bottom-up).In this paper,we introduce our recently constructed databases for 2D material-substrate interface(2DMSI),and 2D charged building blocks.For 2DMSI database,we systematically build a workflow to predict appropriate substrates and their geometries at substrates,and construct the 2DMSI database.For the 2D charged building block database,1208 entries from bulk material database are identified.Information of crystal structure,valence state,source,dimension and so on is provided for each entry with a json format.We also show its application in designing and searching for new functional layered materials.The 2DMSI database,building block database,and designed layered materials are available in Science Data Bank at https://doi.org/10.57760/sciencedb.j00113.00188.
文摘肱骨颈位于肱骨大结节下方和胸大肌肌肉止点上方,是皮质骨和松质骨的交界处,易于骨折。老年人骨质疏松症的高发率导致肩部外伤时肱骨手术颈骨折的风险增加。在这种情况下,肱骨头的松质骨经常被压碎,导致关节面塌陷和骨缺损形成。手术治疗的难度在于解剖学上对关节面进行复位并保持稳定^([1])。本文介绍了采用自制生物型髓内钉结合加压锁定钢板(Locking and pressurizing steel plate,LCP)的方式治疗肱骨近端粉碎性骨折合并骨缺损的方法,并取得了显著的治疗效果,现报道如下。
