Light screen velocity measuring method with unique advantages has been widely used in the velocity measurement of various moving bodies.For large air resistance and friction force which the big moving bodies are subje...Light screen velocity measuring method with unique advantages has been widely used in the velocity measurement of various moving bodies.For large air resistance and friction force which the big moving bodies are subjected to during the light screen velocity measuring,the principle of velocity correction was proposed and a velocity correction equation was derived.A light screen velocity measuring method was used to measure the velocity of big moving bodies which have complex velocity attenuation,and the better results were gained in practical tests.The measuring uncertainty after the velocity correction was calculated.展开更多
“有组织科研”背景下,科研团队建设已成为推动科技创新、实现国家科技战略目标的重要抓手。科研团队学作为一门国际上新兴的交叉学科,其核心是对科研团队从事研究探索活动的特点和有效性开展研究。阐释了科研团队学提出的时代背景以及...“有组织科研”背景下,科研团队建设已成为推动科技创新、实现国家科技战略目标的重要抓手。科研团队学作为一门国际上新兴的交叉学科,其核心是对科研团队从事研究探索活动的特点和有效性开展研究。阐释了科研团队学提出的时代背景以及当前科研团队发展的现实问题。运用隐含狄利克雷分布主题建模方法梳理了2006—2022年Web of Science上的692篇文献,凝练分析国际学术研究概况,从科研团队合作动机及协调发展、成员多样性与互动、跨学科协同环境、科研团队有效性等关键研究领域进行学术领域分析和价值阐释。从科研团队分层分类治理体系存在的“难点”、面向科技创新前沿的有组织科研探索存在的“卡点”以及支持系统推进创新突破的生态环境存在的“断点”等方面分析了中国发展科研团队学研究的迫切性。据此提出深入挖掘并分析科研团队资源禀赋特征、关注“有组织科研”的政策设计、营建科研团队成长的良好生态环境等研究展望。展开更多
文摘Light screen velocity measuring method with unique advantages has been widely used in the velocity measurement of various moving bodies.For large air resistance and friction force which the big moving bodies are subjected to during the light screen velocity measuring,the principle of velocity correction was proposed and a velocity correction equation was derived.A light screen velocity measuring method was used to measure the velocity of big moving bodies which have complex velocity attenuation,and the better results were gained in practical tests.The measuring uncertainty after the velocity correction was calculated.
文摘“有组织科研”背景下,科研团队建设已成为推动科技创新、实现国家科技战略目标的重要抓手。科研团队学作为一门国际上新兴的交叉学科,其核心是对科研团队从事研究探索活动的特点和有效性开展研究。阐释了科研团队学提出的时代背景以及当前科研团队发展的现实问题。运用隐含狄利克雷分布主题建模方法梳理了2006—2022年Web of Science上的692篇文献,凝练分析国际学术研究概况,从科研团队合作动机及协调发展、成员多样性与互动、跨学科协同环境、科研团队有效性等关键研究领域进行学术领域分析和价值阐释。从科研团队分层分类治理体系存在的“难点”、面向科技创新前沿的有组织科研探索存在的“卡点”以及支持系统推进创新突破的生态环境存在的“断点”等方面分析了中国发展科研团队学研究的迫切性。据此提出深入挖掘并分析科研团队资源禀赋特征、关注“有组织科研”的政策设计、营建科研团队成长的良好生态环境等研究展望。
