| 关于炮弹运动方向、抽水做功辨析 |
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| 引用本文： | 陶印修.关于炮弹运动方向、抽水做功辨析[J].天津职业院校联合学报,2011,13(2):116-120. |
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| 作者姓名： | 陶印修 |
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| 作者单位： | 天津渤海职业技术学院,天津市,300402 |
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| 摘 要： | 对某高职高数教材的例题关于炮弹运动方向的处理展开研究,澄清导数的几何意义涉及到的角并非是炮弹运动方向中提到的角,而二者的正切值相等具有必然性,体现炮弹运动方向中正、负角的含义,品味正、负号的美,品味炮弹运动轨道方程;此外,还就几乎所有高数教材关于抽水做功的例题展开研究,澄清质量、重力(重量)、比重这些概念,揭示抽水做功的思想、方法。
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| 关 键 词： | 方向 抽水做功 积零为整 微元法 |
Discrimination of Shells' Movement Direction & Pumping Work |
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| TAO Yin-xiu.Discrimination of Shells' Movement Direction & Pumping Work[J].Journal of Tianjin Vocational Institutes,2011,13(2):116-120. |
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| Authors: | TAO Yin-xiu |
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| Institution: | TAO Yin-xiu(Tianjin Bohai Vocational Technical College,Tianjin 300201 China) |
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| Abstract: | This article illustrates the author's research on several controversial problems regarding shell's movement direction and pumping work that appear in advanced mathematics course books and clarifies the concepts such as the geometric meaning of derivative,quality,gravity and proportion,and also reveals the idea and method of pumping work. |
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| Keywords: | direction pumping work deposition of zero infinitesimal method |
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