Influence of modification with acidic, amphiprotic and basic oxides on alkylation properties of HY molecular sieve was investigated.
考察了用酸性、两性和碱性氧化物改性HY分子筛对烷基化反应性能的影响。
Two types of amphiprotic high-molecular coagulants ie APAM and CGAAC were successfully synthesized by large molecule modification process.
通过大分子改性的方法，合成了两种两性高分子絮凝剂APAM和CGAAC。
Two types of amphiprotic high-molecular coagulants ie APAM and CGAAC were successfully synthesized by large molecule modification process.
通过大分子改性的方法，合成了两种两性高分子絮凝剂APAM和CGAAC。
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