pedestrian streets as one type of urban public spaces have an important role in improving the quality of urban life. in iran, planning and designing of pedestrian streets is in its primary steps. in spite of starting this approach in iran, and designing several pedestrian streets, there are still not organized studies about quality assessment of pedestrian streets. as a result, the strength and...

I first review a few basic guiding principles that lead to the notion of a hierarchy of couplings in searches of New Physics involving weak bosons processes. The hierarchies within a linear and a non-linear realization of symmetry breaking are compared to the usual phenomenological parameterization of the WWV vertex. Limits that one expects to obtain at the NLC(500GeV) and LHC/SSC on the trilin...

Chronic leg ulcers in patients with inherited hemoglobin disorders are a cause of pain, repulsive appearance, disability, absence from or inability to work, and are a considerable cost. Conventional treatment is often disappointing. Their cause is complex. In most instances, they start as superficial abrasions resulting from minor trauma, scratches, local friction, or insect bites. Then, they e...

2014 Emission spectra from aluminium and copper targets excited by fast electrons have been measured. The ratio of these two measurements can be directly compared with theoretical transition radiation calculations. A well pronounced shoulder is observed at 2.1 eV giving the first experimental evidence of interband contribution to transition radiation. J. Physique LETTRES 43 (1982) L-733 L-737 C...

Introduction The hyperpolarization (HP) technique can increase the signal sensitivity of nuclear magnetic resonance (NMR) ten thousand times for He and Xe, and thus it enables instantaneous imaging of cavity gases [1, 2]. This technology has been expected to be a practical technology for the development of medical equipment that enables instantaneous evaluation of lung functions, and the early ...

Rapid growth in economy and society currently relies on fossil fuels heavily, leading to serious concern energy sustainability environmental pollution. This has aroused increasing interest solar energy, which is the most abundant green source. However, it remains a significant challenge storing harnessing due its diurnal seasonal fluctuation along with uneven distribution. Moreover, density rel...

When Jamie Henn last year founded Fossil Free Media, a non-profit agency supporting climate communications, he soon found himself frustrated with the amount of problematic advertising still coming from fossil fuel industry. “The more that I was stepping back into purely doing communications work, realised you're getting swamped by other side”, says Henn, who is co-founder 350.org and worked the...

Alzheimer's disease (AD) is the widespread and most feared neurodegenerative disorder leading to dementia in elderly. AD, by eliminating intelligence, diminishes a man helpless body, places an unbearable strain on patients, families, fuels socio-economic healthcare crises around world. The main histopathological hallmarks of AD are accumulation extracellular amyloid depositions known as senile ...

The purpose of this paper is to show the results of some work at the IRC in Materials for High Performance Applications at the University of Birmingham into the effect of processing and process parameters on the microstructure, macrostructure and chemistry of 100 mm diameter single plasma-melted ingots of a gamma-based titanium aluminide (Ti-48at%Al-2at%Mn-2at%Nb). The microstructure of the aqm...

introduction conservation and management of landscapes and beautiful sceneries is one of the necessities of establishing and maintaining the protected areas. analysis of landscape visual quality has an important place in landscape planning and designing. in this way, reviewing effective criteria and discovering the simple patterns which affect the landscapes is the most important step of modeli...