The practice proves that chemicalconstitution of molten steel has stabilization and the deviation is very small.
实践证明：采用此方法配料与调整，钢液成分稳定，偏差小。
2
Objective: To review the research advances in the chemicalconstitution and pharmacological activities of the Gelsemium elegans.
目的：综述马钱科胡蔓藤属钩吻植物化学成分及药理作用的研究进展。
3
Squeeze casting can not only improve the gravity segregation and distribution of the chemicalconstitution of the cast but also the microsegregation of bar-shaped ZA27 alloy.