| 空气中氧气含量测定实验的改进 |
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| 引用本文： | 张绍贵. 空气中氧气含量测定实验的改进[J]. 保山师专学报, 2003, 22(5): 83-84 |
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| 作者姓名： | 张绍贵 |
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| 作者单位： | 腾冲县明光辛街中学,云南,腾冲,379100 |
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| 摘 要： | 初中化学教材中“空气中氧气含量测”实验，按教材方法操作、效果甚差。改进后的实验具有操作简便、现象明显、耗时少和验证性强等优点。
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| 关 键 词： | 演示实验 改进 效果 |
| 文章编号： | 1008-6587(2003)05-0083-02 |
| 修稿时间： | 2002-12-25 |
A Better Way to Test Oxygen Content in the Air |
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| Zhang Shaogui. A Better Way to Test Oxygen Content in the Air[J]. Journal of Baoshan Teachers' College, 2003, 22(5): 83-84 |
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| Authors: | Zhang Shaogui |
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| Abstract: | The way to test oxygen content in the air, which is introduced in Junior Textbooks,doesn't work well.The better one is characterized for its simple operation, time - saving and good result. |
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| Keywords: | demonstrative test better result |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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