INTERACTION between laser and material is closely related to background besides properties oflaser and material. The interaction process can be influenced to a great extent by ambient at-mosphere and pressures. In the...INTERACTION between laser and material is closely related to background besides properties oflaser and material. The interaction process can be influenced to a great extent by ambient at-mosphere and pressures. In the present work, a time and space resolved diagnostic tech-nique was used to study the emission spectrum from the plume produced by a pulsed laser on展开更多
The isoelectric point (IEP) and zero point of charge (ZPC) of magnesium aluminum hydroxide were studied by electrophoresis method, potentiometric titration method, and elemental analysis. Results showed that the charg...The isoelectric point (IEP) and zero point of charge (ZPC) of magnesium aluminum hydroxide were studied by electrophoresis method, potentiometric titration method, and elemental analysis. Results showed that the charge of magnesium aluminum hydroxide was composed of variable charge and permanent positive charge. Because of the permanent positive charge, the IEP and ZPC obtained were higher than calculated. The LEP decreased and ZPC increased as X increased.展开更多
基金This work was supported by the National Natural Science Foundation of China (Grant No. 19374039)the Natural Science Foundation of Shandong Province (Grant No. 94A0707)
文摘INTERACTION between laser and material is closely related to background besides properties oflaser and material. The interaction process can be influenced to a great extent by ambient at-mosphere and pressures. In the present work, a time and space resolved diagnostic tech-nique was used to study the emission spectrum from the plume produced by a pulsed laser on
文摘The isoelectric point (IEP) and zero point of charge (ZPC) of magnesium aluminum hydroxide were studied by electrophoresis method, potentiometric titration method, and elemental analysis. Results showed that the charge of magnesium aluminum hydroxide was composed of variable charge and permanent positive charge. Because of the permanent positive charge, the IEP and ZPC obtained were higher than calculated. The LEP decreased and ZPC increased as X increased.