数据库可以包含物化查询表(MQT),即用于 DWE OLAP 模型和多维数据集的预联结和预聚合的表。
The database may contain materialized query tables (MQTs), the pre-joined and pre-aggregated tables for DWE OLAP models and cubes.
考察了聚合反应条件,如溶剂种类、聚合温度、模板浓度、引发剂用量、转速、预聚合时间等对分子印迹聚合物微球特性的影响。
The effects of reaction conditions were studied, including the kind of solvent, polymerization temperature, the concentration of template and initiator, rotational speed and pre-polymerization time.
应用正碳离子聚合的方法合成新型聚异丁烯遥爪预聚物。
The new telechelic prepolymers of polyisobutylene have been synthesized by the carbocationic polymerization.
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