3D printing stands at the forefront of transforming space exploration,offering unprecedented on-demand and rapid manufacturing capabilities.It adeptly addresses challenges such as mass reduction,intricate component fa...3D printing stands at the forefront of transforming space exploration,offering unprecedented on-demand and rapid manufacturing capabilities.It adeptly addresses challenges such as mass reduction,intricate component fabrication,and resource constraints.Despite the obstacles posed by microgravity and extreme environments,continual advancements underscore the pivotal role of 3D printing in aerospace science.Beyond its primary function of producing space structures,3D printing contributes significantly to progress in electronics,biomedicine,and resource optimization.This perspective delves into the technological advantages,environmental challenges,development status,and opportunities of 3D printing in space.Envisioning its crucial impact,we anticipate that 3D printing will unlock innovative solutions,reshape manufacturing practices,and foster self-sufficiency in future space endeavors.展开更多
In the new era of building a socialist modernization country with the goal of promoting high-quality development,we deeply analyze the knowledge system of the Introduction to Architecture course.This analysis is based...In the new era of building a socialist modernization country with the goal of promoting high-quality development,we deeply analyze the knowledge system of the Introduction to Architecture course.This analysis is based on the cross-disciplinary specialties of local applied universities and the orientation of prioritizing employment and integrating industry and education.We propose the teaching reform of“theory-practice alternation”which is adapted to the current times and societal needs.Finally,we comprehensively summarize the effectiveness of curriculum construction,in order to provide theoretical references for the implementation of fostering character and civic virtue and deepening the reform of collaborative education mechanisms.展开更多
Against the background of outstanding traditional Chinese culture and the innovation-drivendevelopment strategy, this study analyzed regional cultures of Yichang where ancient Ba and Chu culturesmet and blended, propo...Against the background of outstanding traditional Chinese culture and the innovation-drivendevelopment strategy, this study analyzed regional cultures of Yichang where ancient Ba and Chu culturesmet and blended, proposed regional architectural designs adapted to modern conditions, fully clarified thedesign concepts of “deeply exploring, highly condensing, making the past serve the present, inheriting andinnovating” through analyzing the design cases in many regional architectural projects. The paper aimedat further inheriting and developing the outstanding traditional Chinese cultures, and provided theoreticalreferences for future designs.展开更多
目的评估持续背景输注不同剂量酒石酸布托啡诺用于疤痕子宫产妇再次剖宫产术后静脉自控镇痛的效果,探讨较适宜的合理用药剂量。方法选择疤痕子宫指征择期行剖宫产产妇180例,年龄22~40岁,体重50~80 kg,ASAⅠ或Ⅱ级,采用数字表法将产妇随...目的评估持续背景输注不同剂量酒石酸布托啡诺用于疤痕子宫产妇再次剖宫产术后静脉自控镇痛的效果,探讨较适宜的合理用药剂量。方法选择疤痕子宫指征择期行剖宫产产妇180例,年龄22~40岁,体重50~80 kg,ASAⅠ或Ⅱ级,采用数字表法将产妇随机分为三组:术后镇痛泵酒石酸布托啡诺含量100μg/ml(A组),术后镇痛泵酒石酸布托啡诺含量120μg/ml(B组),术后镇痛泵酒石酸布托啡诺含量140μg/ml(C组),每组60例。PCIA参数设置:持续背景剂量2.5 ml/h,PCA剂量2 ml,锁定时间20 min。记录术后4、8、12、24、48 h VAS疼痛评分。记录排气时间、泌乳开始时间、产妇满意度评分、术后48 h内镇痛泵有效按压次数。记录术后恶心、呕吐、嗜睡等不良反应的发生情况。结果与A组比较,术后8、12、24 h C组VAS疼痛评分明显降低(P<0.05),术后12、24 h B组VAS疼痛评分明显降低(P<0.05)。A组镇痛泵有效按压次数明显多于B组、C组(P<0.05)。B组产妇满意度评分明显高于A组、C组(P<0.05)。三组排气时间、泌乳开始时间差异无统计学意义。三组恶心、呕吐发生率差异无统计学意义(P<0.05),C组头晕、嗜睡发生率明显高于A组、B组(P<0.05)。结论疤痕子宫再次剖宫产产妇术后宫缩痛时,120μg/ml布托啡诺持续背景2.5 ml/h输注,可获得满意的镇痛效果,不增加围产期风险,不良反应发生率较低。展开更多
基金supported by the National Natural Science Foundation of China(52125501 and 52205317)the Key Research Project of Shaanxi Province(2021LLRH-08)+4 种基金the Program for Innovation Team of Shaanxi Province(2023-CX-TD-17)the Natural Science Basis Research Plan in Shaanxi Province of China(2022JQ-523)the High-Level Talent Recruitment Program of Shaanxi Provincethe Fundamental Research Funds for the Central UniversitiesChina Postdoctoral Science Foundation。
文摘3D printing stands at the forefront of transforming space exploration,offering unprecedented on-demand and rapid manufacturing capabilities.It adeptly addresses challenges such as mass reduction,intricate component fabrication,and resource constraints.Despite the obstacles posed by microgravity and extreme environments,continual advancements underscore the pivotal role of 3D printing in aerospace science.Beyond its primary function of producing space structures,3D printing contributes significantly to progress in electronics,biomedicine,and resource optimization.This perspective delves into the technological advantages,environmental challenges,development status,and opportunities of 3D printing in space.Envisioning its crucial impact,we anticipate that 3D printing will unlock innovative solutions,reshape manufacturing practices,and foster self-sufficiency in future space endeavors.
基金by 2023 Research Topics of Hubei Education Science Planning(2023GB119)Provincial Teaching Reform Research Program for Undergraduate Colleges and Universities in Hubei in 2023(2023584)Pilot Curriculum Reform Project of College of Science and Technology of China Three Gorges University in 2023.
文摘In the new era of building a socialist modernization country with the goal of promoting high-quality development,we deeply analyze the knowledge system of the Introduction to Architecture course.This analysis is based on the cross-disciplinary specialties of local applied universities and the orientation of prioritizing employment and integrating industry and education.We propose the teaching reform of“theory-practice alternation”which is adapted to the current times and societal needs.Finally,we comprehensively summarize the effectiveness of curriculum construction,in order to provide theoretical references for the implementation of fostering character and civic virtue and deepening the reform of collaborative education mechanisms.
基金Open Fund of Ba-Chu Art Development&Research Center,Key Base of 2021 Humanities and Social Sciences Researches of Hubei Universities and Colleges(2021KF06)Key Research Program of 2020 Philosophy and Social Sciences OF Hubei Universities and Colleges(20ZD033).
文摘Against the background of outstanding traditional Chinese culture and the innovation-drivendevelopment strategy, this study analyzed regional cultures of Yichang where ancient Ba and Chu culturesmet and blended, proposed regional architectural designs adapted to modern conditions, fully clarified thedesign concepts of “deeply exploring, highly condensing, making the past serve the present, inheriting andinnovating” through analyzing the design cases in many regional architectural projects. The paper aimedat further inheriting and developing the outstanding traditional Chinese cultures, and provided theoreticalreferences for future designs.
文摘目的评估持续背景输注不同剂量酒石酸布托啡诺用于疤痕子宫产妇再次剖宫产术后静脉自控镇痛的效果,探讨较适宜的合理用药剂量。方法选择疤痕子宫指征择期行剖宫产产妇180例,年龄22~40岁,体重50~80 kg,ASAⅠ或Ⅱ级,采用数字表法将产妇随机分为三组:术后镇痛泵酒石酸布托啡诺含量100μg/ml(A组),术后镇痛泵酒石酸布托啡诺含量120μg/ml(B组),术后镇痛泵酒石酸布托啡诺含量140μg/ml(C组),每组60例。PCIA参数设置:持续背景剂量2.5 ml/h,PCA剂量2 ml,锁定时间20 min。记录术后4、8、12、24、48 h VAS疼痛评分。记录排气时间、泌乳开始时间、产妇满意度评分、术后48 h内镇痛泵有效按压次数。记录术后恶心、呕吐、嗜睡等不良反应的发生情况。结果与A组比较,术后8、12、24 h C组VAS疼痛评分明显降低(P<0.05),术后12、24 h B组VAS疼痛评分明显降低(P<0.05)。A组镇痛泵有效按压次数明显多于B组、C组(P<0.05)。B组产妇满意度评分明显高于A组、C组(P<0.05)。三组排气时间、泌乳开始时间差异无统计学意义。三组恶心、呕吐发生率差异无统计学意义(P<0.05),C组头晕、嗜睡发生率明显高于A组、B组(P<0.05)。结论疤痕子宫再次剖宫产产妇术后宫缩痛时,120μg/ml布托啡诺持续背景2.5 ml/h输注,可获得满意的镇痛效果,不增加围产期风险,不良反应发生率较低。
