采用上流有限元法定量分析了离子迁移率和离子复合率对±800 k V特高压直流输电线路地面合成场强和离子流密度的影响。结果表明,离子迁移率对地面合成场强影响不大,而地面离子流密度随着迁移率的增大呈线性变化;两者均随离子复合率...采用上流有限元法定量分析了离子迁移率和离子复合率对±800 k V特高压直流输电线路地面合成场强和离子流密度的影响。结果表明,离子迁移率对地面合成场强影响不大,而地面离子流密度随着迁移率的增大呈线性变化;两者均随离子复合率的增大而减小,且复合率对地面离子流密度计算的影响大于对地面合成场强的影响。展开更多
γ-aminobutyric acid (GABA) is an inhibitory neurotransmitter in the brain and its degradation is mainly caused by GABA-transaminase (GABA-T). γ-vinyl GABA (GVG), which was recently found to act as a specific inhibit...γ-aminobutyric acid (GABA) is an inhibitory neurotransmitter in the brain and its degradation is mainly caused by GABA-transaminase (GABA-T). γ-vinyl GABA (GVG), which was recently found to act as a specific inhibitor of GABA-T in vivo, can greatly increase the GABA content in brain for several days after ip injection and last for several days. In the present work we studied the effect of the increase in brain GABA content induced by intracerebroventricular (icv) GVG injection on electroacupuncture (EA) and morphine analgesia.展开更多
基金Project supported by the Science Fund of the Chinese Academy of Sciences.
文摘γ-aminobutyric acid (GABA) is an inhibitory neurotransmitter in the brain and its degradation is mainly caused by GABA-transaminase (GABA-T). γ-vinyl GABA (GVG), which was recently found to act as a specific inhibitor of GABA-T in vivo, can greatly increase the GABA content in brain for several days after ip injection and last for several days. In the present work we studied the effect of the increase in brain GABA content induced by intracerebroventricular (icv) GVG injection on electroacupuncture (EA) and morphine analgesia.
