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| 21. | The effect of additive is investgated by measuring solution loss, foam multiple, the quotiety of water |
| 通过测量发泡剂携液量、发泡倍数、保水系数的变化规律表征外加剂对发泡剂泡沫性能的影响，并对产生影响的原因进行了解释。 |
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| 22. | Planck obtained a successful solution by introducing an additional concept. |
| 普朗克引入了一种新的概念，成功地解决了这个问题。 |
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| 23. | Aromatic polyamide nanofiltration membrane is prepared by the solution of aromatic polyamide fiber via |
| 摘要以聚间苯二甲酰间苯二胺为原料，采用相转化法制备了芳香聚酰胺纳滤膜。 |
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| 24. | avoidable cost: Marginal cost that a corporation can avoid by adopting one solution rather than another |
| 可避免成本:公司可采取某种办法而不是另一种办法即可避免的边际成本。 |
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| 25. | Technical specification for strengthening collapsible loess foundation by sodium bydroxide solution grouting |
| 氢氧化钠（碱）溶液加固湿陷性黄土地基技术规程 |
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| 26. | Monitor the progress of a chemical reaction by measuring the amount of colored light absorbed by the |
| 通过观察反应中，光被溶液吸收的量来观察化学反应的进行。 |
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| 27. | Propagation of seismic wave in complex medium is mostly simulated by numeric solution of oneway or two-way |
| 复杂介质中地震波的传播多是通过求取单程或双程波动方程的数值解进行模拟的。 |
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| 28. | The fluorescence quenching of these emissive compounds in solution by halogen anions was studied carefully |
| 研究了它们在溶液中的荧光被卤素离子猝灭的问题. |
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| 29. | an instrument for separating substances in solution by unequal diffusion through semipermeable membranes |
| 通过半透膜用不平衡扩散分开物质的装置。 |
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| 30. | Glass--Resistance to attack by boiling aqueous solution of mixed alkali--Method of test and classification |
| GB/T6580-1997玻璃耐沸腾混合碱水溶液浸蚀性的试验方法和分级 |
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