The activities of superoxide dismutase (SOD), peroxidase (POD) and nitratase (NR) in leaves increased with increasing of concentrations of CC.

超氧化物歧化酶(SOD)、过氧化物酶(POD)和稍酸还原酶(NR)活性也随氯化胆堿浓度的增大而明显提高。

The premelting hollow granular CC powder is an internationally advanced one used for CC at present. The paper describes the production process and the equipment selection for this powder.

预熔型空心颗连铸保护渣是目前国际上用于连铸的一种先进的保护渣,介绍了此保护渣的产工艺以及设备的选择。