美国《2022年芯片法案》是未来一段时期内美国芯片领域的指导性文件,对全球半导体技术发展、产业经济和供应链都将产生重要影响。分析美国《2022年芯片法案》,以隐性狄利克雷分布(Latent Dirichlet A llocation,LDA)模型的15个主题挖掘...美国《2022年芯片法案》是未来一段时期内美国芯片领域的指导性文件,对全球半导体技术发展、产业经济和供应链都将产生重要影响。分析美国《2022年芯片法案》,以隐性狄利克雷分布(Latent Dirichlet A llocation,LDA)模型的15个主题挖掘结果为基础,细粒度解读该法案半导体管理与激励措施,探讨其政策重点。美国《2022年芯片法案》提出由国家指导和授权半导体发展相关计划,其政策重点包括半导体激励措施的审查与监管、创建基金以激励半导体生产、培养半导体人才、优先支持美国关键制造业供应链实体等,结合中国半导体产业实际提出对策与启示。展开更多
可拆卸式司机室可显著提高其内部设备的装配效率及可维修性,但车体耐撞性不足。文章以某型机车为研究对象,对基于可拆卸式司机室的车体结构及其耐撞性进行了研究,并建立有限元模型进行了仿真分析。结果表明:该车体具有良好的耐撞性,纵...可拆卸式司机室可显著提高其内部设备的装配效率及可维修性,但车体耐撞性不足。文章以某型机车为研究对象,对基于可拆卸式司机室的车体结构及其耐撞性进行了研究,并建立有限元模型进行了仿真分析。结果表明:该车体具有良好的耐撞性,纵向耐撞性能超过标准BS EN 15227:2020对采用中央钩缓系统的重载机车的要求;横向在承受300 kN载荷碰撞时,车体不产生永久变形。展开更多
目的探讨基于思维导图的护理模式对早产儿新生儿呼吸窘迫综合征治疗效果的影响。方法选择2020年3月—2021年3月医院诊断为新生儿呼吸窘迫综合征的120例早产儿作为研究对象,按组间基本特征匹配原则分为观察组与对照组,每组60例。对照组...目的探讨基于思维导图的护理模式对早产儿新生儿呼吸窘迫综合征治疗效果的影响。方法选择2020年3月—2021年3月医院诊断为新生儿呼吸窘迫综合征的120例早产儿作为研究对象,按组间基本特征匹配原则分为观察组与对照组,每组60例。对照组给予常规护理干预,观察组在思维导图指导下进行护理干预。比较两组临床疗效、并发症发生率、Apgar评分、血气分析指标;采用感知护理服务质量的评价(PNSQ量表)评价患儿家属的满意度。结果实施思维导图护理模式后,观察组通气时间、住院时间均短于对照组(P<0.05);观察组治疗后48 h、72 h Apgar评分均高于对照组(P<0.05);观察组治疗后48 h、72 h PaO_(2)及pH逐渐升高,PaCO_(2)逐渐降低,且PaO_(2)及pH均高于对照组(P<0.05),PaCO_(2)低于对照组(P<0.05);观察组并发症发生率低于对照组(P<0.05);观察组对医疗环境、服务态度及操作水平的满意度评分高于对照组(P<0.05)。结论思维导图护理干预可以缩短新生儿呼吸窘迫综合征的病程,改善机体缺氧症状,在提高护理质量同时增加患儿家属的满意度。展开更多
Recent technological advances in cotton(Gossypium hirsutum L.) phenotyping have offered tools to improve the efficiency of data collection and analysis.High-throughput phenotyping(HTP) is a non-destructive and rapid a...Recent technological advances in cotton(Gossypium hirsutum L.) phenotyping have offered tools to improve the efficiency of data collection and analysis.High-throughput phenotyping(HTP) is a non-destructive and rapid approach of monitoring and measuring multiple phenotypic traits related to the growth,yield,and adaptation to biotic or abiotic stress.Researchers have conducted extensive experiments on HTP and developed techniques including spectral,fluorescence,thermal,and three-dimensional imaging to measure the morphological,physiological,and pathological resistance traits of cotton.In addition,ground-based and aerial-based platforms were also developed to aid in the implementation of these HTP systems.This review paper highlights the techniques and recent developments for HTP in cotton,reviews the potential applications according to morphological and physiological traits of cotton,and compares the advantages and limitations of these HTP systems when used in cotton cropping systems.Overall,the use of HTP has generated many opportunities to accurately and efficiently measure and analyze diverse traits of cotton.However,because of its relative novelty,HTP has some limitations that constrains the ability to take full advantage of what it can offer.These challenges need to be addressed to increase the accuracy and utility of HTP,which can be done by integrating analytical techniques for big data and continuous advances in imaging.展开更多
文摘美国《2022年芯片法案》是未来一段时期内美国芯片领域的指导性文件,对全球半导体技术发展、产业经济和供应链都将产生重要影响。分析美国《2022年芯片法案》,以隐性狄利克雷分布(Latent Dirichlet A llocation,LDA)模型的15个主题挖掘结果为基础,细粒度解读该法案半导体管理与激励措施,探讨其政策重点。美国《2022年芯片法案》提出由国家指导和授权半导体发展相关计划,其政策重点包括半导体激励措施的审查与监管、创建基金以激励半导体生产、培养半导体人才、优先支持美国关键制造业供应链实体等,结合中国半导体产业实际提出对策与启示。
文摘可拆卸式司机室可显著提高其内部设备的装配效率及可维修性,但车体耐撞性不足。文章以某型机车为研究对象,对基于可拆卸式司机室的车体结构及其耐撞性进行了研究,并建立有限元模型进行了仿真分析。结果表明:该车体具有良好的耐撞性,纵向耐撞性能超过标准BS EN 15227:2020对采用中央钩缓系统的重载机车的要求;横向在承受300 kN载荷碰撞时,车体不产生永久变形。
文摘目的探讨基于思维导图的护理模式对早产儿新生儿呼吸窘迫综合征治疗效果的影响。方法选择2020年3月—2021年3月医院诊断为新生儿呼吸窘迫综合征的120例早产儿作为研究对象,按组间基本特征匹配原则分为观察组与对照组,每组60例。对照组给予常规护理干预,观察组在思维导图指导下进行护理干预。比较两组临床疗效、并发症发生率、Apgar评分、血气分析指标;采用感知护理服务质量的评价(PNSQ量表)评价患儿家属的满意度。结果实施思维导图护理模式后,观察组通气时间、住院时间均短于对照组(P<0.05);观察组治疗后48 h、72 h Apgar评分均高于对照组(P<0.05);观察组治疗后48 h、72 h PaO_(2)及pH逐渐升高,PaCO_(2)逐渐降低,且PaO_(2)及pH均高于对照组(P<0.05),PaCO_(2)低于对照组(P<0.05);观察组并发症发生率低于对照组(P<0.05);观察组对医疗环境、服务态度及操作水平的满意度评分高于对照组(P<0.05)。结论思维导图护理干预可以缩短新生儿呼吸窘迫综合征的病程,改善机体缺氧症状,在提高护理质量同时增加患儿家属的满意度。
文摘Recent technological advances in cotton(Gossypium hirsutum L.) phenotyping have offered tools to improve the efficiency of data collection and analysis.High-throughput phenotyping(HTP) is a non-destructive and rapid approach of monitoring and measuring multiple phenotypic traits related to the growth,yield,and adaptation to biotic or abiotic stress.Researchers have conducted extensive experiments on HTP and developed techniques including spectral,fluorescence,thermal,and three-dimensional imaging to measure the morphological,physiological,and pathological resistance traits of cotton.In addition,ground-based and aerial-based platforms were also developed to aid in the implementation of these HTP systems.This review paper highlights the techniques and recent developments for HTP in cotton,reviews the potential applications according to morphological and physiological traits of cotton,and compares the advantages and limitations of these HTP systems when used in cotton cropping systems.Overall,the use of HTP has generated many opportunities to accurately and efficiently measure and analyze diverse traits of cotton.However,because of its relative novelty,HTP has some limitations that constrains the ability to take full advantage of what it can offer.These challenges need to be addressed to increase the accuracy and utility of HTP,which can be done by integrating analytical techniques for big data and continuous advances in imaging.
