The air purification agent (6) can be bamboo charcoal tablets.
空气净化物（6）可为竹炭粒。
The effects of adding purifying agent during the process of water purification were studied. The best opportunity for applying purification agent to water during purification process was obtained.
对水质净化过程中投加净化剂的效果进行了研究，得出了在冬春低温低浊季节，水力循环澄清池-快滤池净化过程投加净化剂脱混的最佳选择。
Some products can have "traces" of thiomersal when the chemical is used during the production process as an antibacterial agent, which is later removed during the purification process.
如果在生产过程中使用硫柳汞作为抗菌剂，然后在净化过程中清除该化学品，有些制品就可有微量硫柳汞。
The effect of reducing agent, temperature and time on leaching of strontium are investigated, and the method for purification of strontium chloride solution is also studied.
分析了还原剂、温度和时间对锶浸出率的影响，研究了氯化锶溶液中脱除杂质的方法和效果。
A standing and layering process for the regenerated acid purification is described. The treating agent ANPA is added in regenerated acid and stood after agitation to purify it through layering.
介绍了净化再生酸的静置分层法，将处理剂anpa加入再生酸中，搅拌后静置，使再生酸分层分离而得到净化。
The said method is used for muddy water made up from extra-fine impurities, its water-purification efficiency is over three times that of basic aluminium chloride water-purifying agent;
该方法用于超细杂质形成的浊水，其净水效率是碱式氯化铝净水剂的三倍以上；
The said method is used for muddy water made up from extra-fine impurities, its water-purification efficiency is over three times that of basic aluminium chloride water-purifying agent;
该方法用于超细杂质形成的浊水，其净水效率是碱式氯化铝净水剂的三倍以上；
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