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| 31. | alcohol-precipitation test |
| 酒精沉淀试验;酒精沉淀试验 |
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| 32. | precipitation fractionation |
| 沉淀分级 |
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| 33. | precipitation number |
| 沉淀液 |
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| 34. | precipitation of hydroxide |
| 氢氧化物沉淀 |
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| 35. | mutual precipitation |
| 互沉淀 |
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| 36. | affinity precipitation |
| 亲和沉淀 |
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| 37. | solids precipitation |
| 颗粒沉淀 |
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| 38. | depth of precipitation |
| 沉淀深度 |
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| 39. | salt precipitation |
| 盐沉淀 |
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| 40. | precipitation of salts |
| 盐类沉淀 |
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