采用多步反应法，还可控制粒子的大小，并保持粒子外形的各向异性不变。
By adopting multi step reaction, the particle's size can be desirably controlled and the anisotropy of the particle's shape can also be kept.
对这两类分子梭的关键砌块(三联吡啶二醇化合物和含磷内盐式化合物)进行合成，探讨了合成方法及反应条件对多步反应的影响。
The blocks for constructing to these shuttles were synthesized. The infections of synthetic methods and conditions on the multi-step process are discussed.
分步进水序批式反应器（SFSBR）是一种依靠多步缺氧进水补充反硝化碳源的生物脱氮强化工艺。
The step-fed sequencing batch reactor (SFSBR) is a new type of the enhanced nitrogen removal system, characterized by a multiple anoxic feeding for supplying the organic carbon source to denitrifiers.
分步进水序批式反应器（SFSBR）是一种依靠多步缺氧进水补充反硝化碳源的生物脱氮强化工艺。
The step-fed sequencing batch reactor (SFSBR) is a new type of the enhanced nitrogen removal system, characterized by a multiple anoxic feeding for supplying the organic carbon source to denitrifiers.
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