constrained geometry complexes造句

例句与造句

1. In organometallic chemistry, a "'" constrained geometry complex " "'( CGC ) is a kind of catalyst used for the production of polyolefins such as polyethylene and polypropylene.
2. His ground-breaking discovery of constrained geometry catalysts ( see Constrained geometry complex ), single-site catalysts for olefin polymerization, today accounts for the production of over 2 billion pounds of polymers per year.
3. It's difficult to find constrained geometry complexes in a sentence. 用constrained geometry complexes造句挺难的