Based on the preparation process of original catalyst for propylene polymerization, a new catalyst for the propylene polymerization was prepared by adding some modifier.
在原聚丙烯合成催化剂的基础上，通过在制备过程中加入调节剂，制备了一种新型催化剂。
The full biomass-based composite material of the invention is prepared by natural plant fiber (material A), carboxylation polyether interface modifier (material B) and polylactic acid.
本发明采用预处理后的天然植物纤维（A料）与羧化聚醚界面改性剂（B料）以及聚乳酸制备复合材料。
Silicon oil based magnetic fluid was prepared using TE and silicon surfactant EY as modifier.
以TE和硅油表面活性剂ey为改性剂制备了硅油基磁性流体。
HCPE based anti-corrosive paint with good adhesion, excellent anti-corrosion and cost effectiveness is successfully developed by using HCPE as main film former and toluene resin as modifier.
采用成本低而性能好的高氯化聚乙烯（HCPE）作为主要成膜物质，通过二甲苯树脂等改性，研制成功附着力好、防腐性能优异、性价比好的HCPE防腐涂料。
Ni-based alloy with Y2O3 and composite modifier was used to repair cast defect in blade.
采用自配的添加稀土氧化物Y2O3和复合变质剂的镍基合金粉末对叶片铸造缺陷进行激光熔覆修复。
Ni-based alloy with Y2O3 and composite modifier was used to repair cast defect in blade.
采用自配的添加稀土氧化物Y2O3和复合变质剂的镍基合金粉末对叶片铸造缺陷进行激光熔覆修复。
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