Graphene oxide (GO) has been widely studied and applied in numerous industrial fields and biomedical fields for its excellent physical and chemical properties. Along with the production and applications of GO persist increasing, the environmental health and safety risk (EHS) of GO has been...

In this paper, we investigate stochastic bifurcation for a tumor–immune system in the presence of a symmetric non-Gaussian Lévy noise. Stationary probability density functions will be numerically obtained to define stochastic bifurcation via the criteria of its qualitative change, and...

This paper is concerned with analysis problem for the global exponential stability of the Cohen–Grossberg neural networks with discrete delays and with distributed delays. We first prove the existence and uniqueness of the equilibrium point under mild conditions, assuming neither...

Focusing on the sustainable livelihoods of rural households and regional sustainable development, this research takes Yan'an at the upper reaches of Yellow River and Zhaotong at mid-upper reaches of the Yangtze River as the study areas, extracts the central affecting factors of energy...

Haze pollution has worsened and has received close attention by news agencies in the past two years. This type of environmental pollution might have a great effect on tourism image and the entire tourism industry of a destination. This study aimed to reveal the potential impacts of haze...

Based on the scientific and technological achievements in the past decade in the Loess Hilly-gully Region and the successful demonstration experience in Yan'an Yangou watershed, we summarize the characteristics of eco-environment restoration pattern based on "building terrace and returning slope...

Assessing the water resource carrying capacity is beneficial for measuring the scale of industry and population agglomeration, and also avoiding the contradiction between increasing people and decreasing available water resource, due to the expansion of industry and city size. Based on the...

The development of specialty agriculture is of great significance to western China’s agricultural structure adjustment, and it’s an essential way for the construction of ecological agriculture in Southern Ningxia mountainous area. This paper makes a summary about the development...

Purpose – The purpose of this paper is to explore the role of communities of practice (CoPs) in facilitating knowledge sharing within a Chinese management consulting company. Design/methodology/approach – A qualitative case study was conducted within a Chinese management consulting company....