“消旋”造句

通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.
Epoxidation and oxidation gave the racemic C 18 - juvenile hormone.

发现旋光基质有外消旋作用.
Racemization is found with optically active substrates.

外消旋体是不旋光的.
The racemate is optically inactive.