烦扰
发表于 2025-3-25 05:07:26
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Suggestions
发表于 2025-3-25 10:47:28
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书法
发表于 2025-3-25 12:48:40
https://doi.org/10.1007/978-3-662-45097-0n investigation; the study revealed that limestone powder could decrease fluoride from 3.48 to 0.878 ppm. SEM and FTIR spectroscopy were used to ascertain the surface’s functional group and morphology.
Alpha-Cells
发表于 2025-3-25 19:01:55
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柳树；枯黄
发表于 2025-3-25 20:39:34
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enlist
发表于 2025-3-26 00:28:43
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流逝
发表于 2025-3-26 05:55:43
L. Hellgren,B. Karlstam,V. Mohr,J. Vincentm wherein sacrificial electrodes are used. An aluminum anode is used, which breaks the metal into ions that react with the free fluoride ions in the aqueous solution to form an Aluminium Hydroxide-Fluoride complex. It coagulates, thus increasing the speed of impurity elimination. These complexes nee
fastness
发表于 2025-3-26 09:08:14
María-Angeles Urbaneja,Dennis Chapmandly a more appealing approach for fluoride removal in the form of cost, simplicity of concept and operation among the several ways for DE fluoridating water. Environmental Protection Agency data show that fluoride is a contaminant that encourages pollution in public drinking water and can be harmful
情感脆弱
发表于 2025-3-26 15:43:18
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认为
发表于 2025-3-26 19:25:14
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