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1·Using the reaction of the crosslinking of ammonium dichromate gelatin after irradiation, a novel microlens array was fabricated.

根据重铬酸铵明胶在受光照后发生交联的原理，采用重铬酸铵明胶作材料制作了微透镜阵列。

2·Two kinds of PVA solution, which have different polymerizing degrees, are mixed with ammonium dichromate to obtain a high-resolution, water-proof developing photosensitive glue solution.

本发明方法是用两种不同聚合度的聚乙烯醇溶液与重铬酸铵混合，得到高分辩率的、耐水冲洗显影的感光胶液。

3·In accordance with ferrous ammonium sulfate in water samples to calculate the amount of material to restore the volume of oxygen consumption, which was potassium dichromate titration reflux.

根据硫酸亚铁铵的用量算出水样还原性物质消耗氧的量，这就是重铬酸钾回流滴定法。