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| 磁場的產(chǎn)生方式有永磁式與電磁式兩種，電磁式又包括直流式和交流式兩種，在研究中，這些不 同類型的磁場，對水系統(tǒng)的作用方式是否存在差異，尚未見過相關(guān)報道。筆者認(rèn)為，不同類型的磁場 對水系統(tǒng)的作用機理可能相同，但作用方式可能并不相同，如果操作不當(dāng)，磁場對碳酸鈣結(jié)晶過程的 影響就不明顯，以致使研究者誤得出磁場作用對碳酸鈣結(jié)晶沒有影響的結(jié)論。如果能夠找出不同類型 磁場作用方式的差異將對揭示磁場作用機理具有重要意義。本文采用永磁體磁場、直流式與兩種頻率 的余弦交流式電磁場分別對靜態(tài)Ca(HCO3)2溶液中的CaCO3結(jié)晶過程的影響進行了對比實驗研究。 |
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鐵桿木蟲 (正式寫手)
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doudounba: 金幣+30, 翻譯EPI+1, ★★★★★最佳答案 2013-12-03 18:38:08
doudounba: 金幣+30, 翻譯EPI+1, ★★★★★最佳答案 2013-12-03 18:38:08
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There are two ways to generate magnetic fields, by permanent magnet or electromagnetically and the latter can be through DC or AC. Among the studies, whether there are differences in the way water systems are impacted for different types of magnetic fields, has not appeared in reports. In the author's view, although the mechanism by which different magnetic fields impact on a water system is likely the same but the ways of impact may very well be rather different. If inappropriately done, the effect of magnetic fields on crystallisation of calcium carbonate will be insignificant so that the researcher would draw the wrong conclusion that there is no effect of magnetic fields on crystallisation of calcium carbonate. If the differences in effects of different types magnetic fields ways can be found, it will have an important bearing on revealing the mechanism of magnetic fields. This paper presents an experiment where, through permanent magnet, DC electromagnetically as well as cosine AC electromagnetically at two frequencies, the effects of magnetic fields on crystallisation of CaCO3 in static Ca(HCO3)2 solution are studied respectively. 供參考 |
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