In the context of modified gravity theory, we study time-dependent wormhole spacetimes in the radiation background. In this framework, we attempt to generalize the thermodynamic properties of time-dependent wormholes ...In the context of modified gravity theory, we study time-dependent wormhole spacetimes in the radiation background. In this framework, we attempt to generalize the thermodynamic properties of time-dependent wormholes in gravity. Finally, at event horizon, the rate of change of total entropy has been discussed.展开更多
Objective To present the operative results of 17patients with atlantoaxial diseases using transoral approach.Methods17patients received operation of atlantoaxial fusion using transoral approach.The average age is 27ye...Objective To present the operative results of 17patients with atlantoaxial diseases using transoral approach.Methods17patients received operation of atlantoaxial fusion using transoral approach.The average age is 27years old(12～47years).Results All patients had achieved primary healing without any complications.The fusion rate was100%.The average recovery rate(JOAscore system)of myelopathy was48%.Conclusions Transoral approach was an ideal approach for upper cervical diseases.The infection rate could be lowered dow n to the minimum if the patients were properly managed perioperatively.Atlantoaxial fu sion could be achieved through this a pproach without instrumentation.展开更多
文摘In the context of modified gravity theory, we study time-dependent wormhole spacetimes in the radiation background. In this framework, we attempt to generalize the thermodynamic properties of time-dependent wormholes in gravity. Finally, at event horizon, the rate of change of total entropy has been discussed.
文摘Objective To present the operative results of 17patients with atlantoaxial diseases using transoral approach.Methods17patients received operation of atlantoaxial fusion using transoral approach.The average age is 27years old(12～47years).Results All patients had achieved primary healing without any complications.The fusion rate was100%.The average recovery rate(JOAscore system)of myelopathy was48%.Conclusions Transoral approach was an ideal approach for upper cervical diseases.The infection rate could be lowered dow n to the minimum if the patients were properly managed perioperatively.Atlantoaxial fu sion could be achieved through this a pproach without instrumentation.
