本文讨论了依多孔载体载引入阶段的不同而形成的一系列分子筛膜合成方法。
Various methods of zeolite membrane synthesis were discussed and classified by the stage introducing the support membrane.
对未来的预测永远很难说清楚，也许未来两三年是市场引入阶段，在2010年到2013年是成长期，逐渐变成成熟期。
Predicting the future is always difficult to say clearly, perhaps in the future two or three years is the market introduction phase, from 2010 to 2013 is long-term, gradually become mature period.
按阶段引入PPM要求识别并提供需求的重要性，或价值的顺序，这些需求是组织实现项目组合管理实践愿望的基础。
Introducing PPM in stages requires identifying and providing an order of importance, or value, to the needs which underlie the organization's desire to implement portfolio management practices.
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