溶解溴化钾和碘化钾：将32克溴化钾和0.8克碘化钾放入凝胶溶液，并不断搅动直到溶解。
Dissolve the potassium bromide and potassium iodide. Add 32 grams of potassium bromide and 0.8 gram potassium iodide to the gelatin solution and stir until dissolved.
如果暴露在放射性碘下的人服用碘化钾片，患甲状腺癌的风险就会被降低。碘化钾有助于防止放射性碘的吸收。
Among persons exposed to radioactive iodine, the risk of thyroid cancer can be lowered by taking potassium iodide pills, which helps prevent the uptake of the radioactive iodine.
但是，乳剂的反差随着三碘化钾溶液加入位置逐渐靠近表面而不断降低，随着碘化钾和碘摩尔比的增加迅速降低。
The contrast decreased when triiodide was added near the surface of the grain, or when the mole ratio of io…
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