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| 71. | The treatment sequence involved addition of ferrous sulfate for precipitation, and subsequence filtration |
| 处理步骤是先加硫酸亚铁使之沉淀，然后过滤。 |
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| 72. | wastewater treatment by chemical precipitation process |
| 废水的化学沉淀处理法 |
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| 73. | Computer simulation on precipitation mechanism of δ′ phase in early stage in external energy field |
| δ′相在外场下早期沉淀机制的计算机模拟 |
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| 74. | testing method for precipitation number of petroleum products |
| 石油产品沉淀值测定法 |
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| 75. | medical machine for centrifugal precipitation |
| 医用离心沉淀机 |
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| 76. | The incubation time for incipient precipitation is often a minute or more. |
| 出现沉淀的孕育时间常常需要一分钟或更多的时间。 |
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| 77. | The virus was purified by means of chloroform clarification, polyethyleneglycol precipitation and differential |
| 用氯仿澄清,聚乙二醇沉淀和差速离心可部分提纯。 |
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| 78. | removes dust particles from gases by electrostatic precipitation. |
| 通过静电沉淀把大气中的灰尘移开。 |
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| 79. | The commodity value of vinegar is seriously influenced by turbidity and precipitation. |
| 食醋浑浊与沉淀严重影响了食醋的商品性。 |
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| 80. | Experimental Methodsare: Crude polysaccharide was gained throngh hot water extraction, alcohol precipitation |
| 莪术经热水提取,酒精沉淀,脱色,脱蛋白得粗多糖. |
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