plastic instability which results in the localization and failure of sheet metals has been studied in equibiaxial stretching of commercial purity aluminium sheet. attention was focussed on two main industrial conditions of the material. these were representative of the materials that could be processed by the commercial batchannealing process (slow heating, long time) or by a continuous anneali...

Urbanization is one of the great challenges of our time and unchecked haphazard urbanization is a serious threat both to the environment and social and economic balance. In order to meet global sustainability targets, rapid urban growth must be channelled into environmentally friendly, sustainable and liveable urban environments. Thus, this special issue focuses on sustainable urban design whic...

Urban ecosystem services are crucial for human well-being and the livability of cities. A central challenge for sustaining ecosystem services lies in addressing scale mismatches between ecological processes on one hand, and social processes of governance on the other. This article synthesizes a set of case studies from urban green areas in Stockholm, Sweden—allotment gardens, urban parks, cemet...

The territories between urban and rural areas, also called urban–rural fringe, commonly present inherent instability notable heterogeneity. However, investigating the multifaceted fringe phenomenon based on large-scale identification has yet to be undertaken. In this study, we adopted a handy clustering-based method by incorporating multidimensional urbanization indicators understand how develo...

background: fractures of distal radius are one of the most common fractures seen by physicians and account for 20% of all fractures seen in the emergency room. various factors contribute in secondary displacement of fracture fragments after anatomic or near anatomic close reduction and cast immobilization in distal radius fractures. this study was designed to examine the correlation between rad...

oil sector is the most effective sector in these countries. oil is the most important product that world industries use as the cheapest energy. the price of oil depends on the world’s supply and demand and many economic, political and geographical variables. this is the reason why the price of oil has fluctuations. the fluctuations in oil price lead to fluctuate in the oil revenues of the membe...

the economic situation in the arab countries is due to several factors as the political crisis in a socio-economic vulnerability. political changes are usually accompanied by a drop in production, a deterioration of macroeconomic balances, a high level of poverty, an appearance of economic corruptions and a structural increase in unemployment. in addition, the expansion of terrorism is a main i...