The results show that, ordinal variations in the composition of the reactants during packing can get different sized pores and produce gradient porous ceramics.
实验结果表明： 布料时有序地改变反应物料的化学组成， 可以在产物中不同区域产生不同尺寸的孔洞， 形成梯度多孔陶瓷。
The effects of microwave radiation time (power), the composition of two reactants and the reaction temperature on the yield and Sm content in the complexes were investigated.
考察了微波辐射时间（功率）、稀土离子和聚合物的配比以及温度等因素对配合物产率及配合物中钐离子含量的影响；
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