Control total emission quantity and assessment factor are provided, meanwhile this paper discusses relativity of pollution emission standard and quantity standard of fluoride.
并以此提出总量控制和评价因子的问题，探讨了氟污染排放标准和质量标准的相关性。
Therefore, Study on the translocation and transformation of fluorides in soil environment is of important significance to control the fluoride pollution.
研究土壤中的氟及其环境中的迁移转化过程对于地氟病的防治与重要的意义。
But it is a temporary solution and if we want to control the fluoride pollution, we must use opaque glass with fluorine-free.
为此，但只是治标不治本，要根本上防治氟化物的污染，在于用无氟乳浊玻璃。
Control technology on indoor pollution of coal combustion in rural area, especially the progress in technique of coal fluoride-sulfur fixing was introduced in this paper.
介绍了针对农村室内燃煤污染的清洁技术，特别是固氟固硫技术研究的进展。
Control technology on indoor pollution of coal combustion in rural area, especially the progress in technique of coal fluoride-sulfur fixing was introduced in this paper.
介绍了针对农村室内燃煤污染的清洁技术，特别是固氟固硫技术研究的进展。
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