One strain of Hypoxylon sp.CXM-3 and one strain of Sistotrema brinkmannii CXM-4 were inoculated onto sterilized cherry,poplar,birch,and basswood sheets in a certain shape and incubated at constant temperature and humi...One strain of Hypoxylon sp.CXM-3 and one strain of Sistotrema brinkmannii CXM-4 were inoculated onto sterilized cherry,poplar,birch,and basswood sheets in a certain shape and incubated at constant temperature and humidity for 4,8,12,and 16 weeks,respectively,to analyze whether the grain pattern formed by the zone lines was consistent with the predetermined pattern.The results showed that the zone lines of CXM-3 of Hypoxylon were free,delicate,and soft,with brown lines and black staining,mostly accompanied by black and brown dots,facets,and clusters,while the zone lines of CXM-4 of Sistotrema brinkmannii grew along the predetermined grain,with strong lines and a clean surface.After inoculation and incubation at a constant temperature of 25℃±2℃ and humidity of 60%,Sistotrema brinkmannii CXM-4,on basswood veneer at 4-8 weeks and cherry veneer at 4-16 weeks,were able to develop zone lines following a predetermined grain.Artificially induced spalted wood can only maintain a large shape,which cannot guarantee that the pattern of large-scale production of spalted wood is exactly the same and cannot be accurate to the minute details.The artificial induction can thus result in the formation of a predetermined grain pattern of the mottled wood,thus enhancing the product value and artistic value of solid wood furniture and crafts.展开更多
人工智能及大数据已经成为包括医学教育在内的各研究领域的热点问题。为了阐明人工智能在医学教育中的发展趋势,利用CiteSpace软件分析2013-2022年Web of Science核心合集文献270篇。从发文量、国家和地区、研究机构、作者、发表杂志、...人工智能及大数据已经成为包括医学教育在内的各研究领域的热点问题。为了阐明人工智能在医学教育中的发展趋势,利用CiteSpace软件分析2013-2022年Web of Science核心合集文献270篇。从发文量、国家和地区、研究机构、作者、发表杂志、引文情况、关键词及发展趋势等方面进行综合分析得出研究结论:从2018年开始相关论文呈明显增长趋势,Mayo Clinic(梅奥诊所)成为全球发文量最多的研究机构;Friedman等形成了较为完整的研究团体;JAMA成为最高被引杂志;近年医学教育的人工智能应用研究热点问题主要集中在医学影像及虚拟手术等方面。展开更多
基金supported by the National Natural Science Foundation of China(No.32160347)the Key Laboratory of State Forestry Adminstration for Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China(Southwest Forestry University)(No.2019-KF14).
文摘One strain of Hypoxylon sp.CXM-3 and one strain of Sistotrema brinkmannii CXM-4 were inoculated onto sterilized cherry,poplar,birch,and basswood sheets in a certain shape and incubated at constant temperature and humidity for 4,8,12,and 16 weeks,respectively,to analyze whether the grain pattern formed by the zone lines was consistent with the predetermined pattern.The results showed that the zone lines of CXM-3 of Hypoxylon were free,delicate,and soft,with brown lines and black staining,mostly accompanied by black and brown dots,facets,and clusters,while the zone lines of CXM-4 of Sistotrema brinkmannii grew along the predetermined grain,with strong lines and a clean surface.After inoculation and incubation at a constant temperature of 25℃±2℃ and humidity of 60%,Sistotrema brinkmannii CXM-4,on basswood veneer at 4-8 weeks and cherry veneer at 4-16 weeks,were able to develop zone lines following a predetermined grain.Artificially induced spalted wood can only maintain a large shape,which cannot guarantee that the pattern of large-scale production of spalted wood is exactly the same and cannot be accurate to the minute details.The artificial induction can thus result in the formation of a predetermined grain pattern of the mottled wood,thus enhancing the product value and artistic value of solid wood furniture and crafts.
文摘人工智能及大数据已经成为包括医学教育在内的各研究领域的热点问题。为了阐明人工智能在医学教育中的发展趋势,利用CiteSpace软件分析2013-2022年Web of Science核心合集文献270篇。从发文量、国家和地区、研究机构、作者、发表杂志、引文情况、关键词及发展趋势等方面进行综合分析得出研究结论:从2018年开始相关论文呈明显增长趋势,Mayo Clinic(梅奥诊所)成为全球发文量最多的研究机构;Friedman等形成了较为完整的研究团体;JAMA成为最高被引杂志;近年医学教育的人工智能应用研究热点问题主要集中在医学影像及虚拟手术等方面。
