Through analyzing the reasons of period water reduction in floating bed, it is the concluded that the ions content in raw water is the main reason.

对浮动床周期制水量减少的原因进行多方面分析，通过分析发现原水中离子含量增加是浮动床周期制水量减少的主要原因。

Acording to the ions content measured in water and calculated correlativity, it is shown that the source of water-full in the mine area is from surface water and Maokou limerock.

根据该矿区水中离子含量的测定，计算其关联度，结果表明，矿井充水水源主要来自地表水、茅口灰岩水。

T he concentrations of ions in electrolyte were measured by normal analysis method, and the content of oxygen in electrolysis gas was measured by gas chromatography.

利用常规的滴定分析方法测定了电解液中各种离子的浓度，并利用气相色谱测定了电解气中的氧气纯度(体积分数)。