管克英
访问数:723012
教育情况:中国科学院,应用数学研究所,博士
研究领域:数理科学->数学->数学物理
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4月9日晚似乎拍摄到经过月球附近的一个飞行物的轨迹
管克英 北京交通大学理学院,数学系 Email : keying.guan@gmail.com 今年4月8日在美国部分地区可看到日全食,可是在加州,San Jose, 我只能看到日偏食,有些遗憾。又想到次日,4月9号,正是农历三月初一,傍晚或许能拍到初月的月牙,而且其位置应在木星的斜下方,说不定能拍到什么好景色。兴致来了,果然 ...
2024-4-11 04:28
Principle of relativity & generation and definition of force
Keying Guan Department of Mathematics, School of Science, Beijing Jiaotong University Email : keying.guan@gmail.com Keying Guan Department of Mathematics, School of Science, Beijing Jiaotong University Email : keying.guan@gmail.com Abstract: The re ...
2023-5-27 03:07
相对性原理和力的产生与定义
Keying Guan Department of Mathematics, School of Science, Beijing Jiaotong University Email : keying.guan@gmail.com Keying Guan Department of Mathematics, School of Science, Beijing Jiaotong University Email : keying.guan@gmail.com 摘要:牛顿力学与相对论力学共有的关系式 ...
2023-5-23 10:26
Power and its intrinsic force
Keying Guan Department of Mathematics, School of Science, Beijing Jiaotong University Email : keying.guan@gmail.com Almost all textbooks of physics or mechanics give the basic relationship between power P and force F (1) But in fact, the mainstream academic c ...
2023-4-15 02:20
再论功率与力的关系
Keying Guan Department of Mathematics, School of Science, Beijing Jiaotong University Email : keying.guan@gmail.com 几乎所有物理学或力学的教科书都给出功率 P 与力 F 的基本关系式 (1) 但事实上,对如何正确解释此公式,特别在解释公式中的速度问题上,学界的主流并没有 ...
2023-4-13 08:42
最近金星与昴宿星团相对位置的变化
四月初至昨晚,每天日落后不久,漂亮的金星与昴宿星团就会在西方的西方显现出来,而且它们之间的距离越来越小,昨晚距离似乎达到最小值,而且两者几乎处在同一水平线上。 四月一日的照片 照片 1 四月三号的照片 照片 2 四月八号的照片 照片 3 四月九号的照片 照片 4 四月十一号(昨晚)的两张照片 ...
2023-4-13 02:21
Different interpretations of the relationship between power
Keying Guan Department of Mathematics, School of Science, Beijing Jiaotong University Email : keying.guan@gmail.com Abstract: The relationship between the power P and the corresponding force F in the interaction of matter P = F ...
2023-4-8 04:37