Along with the industrial development, adverse im- pacts on the natural environment become more serious, and eco- system health and ecological security have also been deteriorated. The traditional environment manageme...Along with the industrial development, adverse im- pacts on the natural environment become more serious, and eco- system health and ecological security have also been deteriorated. The traditional environment management focused on the short- term and economic benefits. Such managing pattern is not ac- commodating to the new situation of increasingly global envi- ronment problems and large scale marine environment problems. This paper introduces the advance and definition of a new managing pattern—ecosystem management. Meanwhile, the con- notation of ecosystem management was summarized as seven points: Sustainability; Human is an important aspect of ecosystem management; Cooperation is the foundation of ecosystem man- agement; Maintain health and security of ecosystem; Ecological diversity protection characters ecosystem management; Maintain the integrity of ecosystem; Ecosystem management must be founded on scientific theories and precise information. Somebody said Ecosystem Management is “a new label of old ideas”. How- ever, there is an essential difference between ecosystem manage- ment and traditional environmental management. In the last part of this paper, the differences of the approaches between ecosystem management and traditional environmental management are com- pared.展开更多
In this paper, we present solutions of the Klein–Gordon equation for the improved Manning–Rosen potential for arbitrary l state in d-dimensions using the supersymmetric shape invariance method. We obtained the energ...In this paper, we present solutions of the Klein–Gordon equation for the improved Manning–Rosen potential for arbitrary l state in d-dimensions using the supersymmetric shape invariance method. We obtained the energy levels and the corresponding wave functions expressed in terms of Jacobi polynomial in a closed form for arbitrary l state. We also calculate the oscillator strength for the potential.展开更多
文摘Along with the industrial development, adverse im- pacts on the natural environment become more serious, and eco- system health and ecological security have also been deteriorated. The traditional environment management focused on the short- term and economic benefits. Such managing pattern is not ac- commodating to the new situation of increasingly global envi- ronment problems and large scale marine environment problems. This paper introduces the advance and definition of a new managing pattern—ecosystem management. Meanwhile, the con- notation of ecosystem management was summarized as seven points: Sustainability; Human is an important aspect of ecosystem management; Cooperation is the foundation of ecosystem man- agement; Maintain health and security of ecosystem; Ecological diversity protection characters ecosystem management; Maintain the integrity of ecosystem; Ecosystem management must be founded on scientific theories and precise information. Somebody said Ecosystem Management is “a new label of old ideas”. How- ever, there is an essential difference between ecosystem manage- ment and traditional environmental management. In the last part of this paper, the differences of the approaches between ecosystem management and traditional environmental management are com- pared.
文摘In this paper, we present solutions of the Klein–Gordon equation for the improved Manning–Rosen potential for arbitrary l state in d-dimensions using the supersymmetric shape invariance method. We obtained the energy levels and the corresponding wave functions expressed in terms of Jacobi polynomial in a closed form for arbitrary l state. We also calculate the oscillator strength for the potential.
