| 摘 要： | The development of eight new diagnostic systems and the improvement of the laser Thomson scattering system contributed to the experimental campaign on HL-2A in 2006. Besides, the accuracy and flexibility of the molecular beam injection （MBI） system was improved greatly by using the special driver and controller, it is more convenient for studies such as particle transport. In the field of plasma physics experiment, the features of 3-D GAM zonal flows were further studied and some signs of low frequency zonal flows were observed. In the ECRH experiments, the effects of ECRH on sawtooth activities and m/n= 1/1 mode were studied under different plasma discharge conditions. The effect of MBI during ECRH on plasma behavior, such as non-local heat transport, was also studied.
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