The efficiency of three statistical models, AHP surface-weighted density bivariate (semi-quantitative models), stepwise multivariate regression and logistic multivariate regression models were compared in Chehel-Chai watershed in Golestan province, Iran. In current study the hazard map was prepared according to the top model of landslide hazard map. Chehel-Chai watershed is located as one of Go...

Accurate three dimensional (3D) mapping of bioelectric sources in the body with high spatial resolution is important for the diagnosis and treatment of a variety of cardiac and neurological disorders. Ultrasound current source density imaging (UCSDI) is a new technique that maps electrical current flow in tissue. UCSDI is based on the acousto-electric (AE) effect, an interaction between electri...

The present journal recently stated in the call for a special issue on social sustainability, ―[t]hough sustainable development is said to rest on ̳three pillars‘, one of these—social sustainability—has received significantly less attention than its bio-physical environmental and economic counterparts‖. The current issue promises to engage the concepts of ―development sustainability‖, ―bridge s...

Astrocytes swell during neuronal activity as they accumulate K+ to buffer the increase in external K+ released from neurons. This swelling activates volume-sensitive Cl- channels, which are thought to be important in regulatory volume decrease and in the response of the CNS to trauma and excitotoxicity. Mitogen-activated protein (MAP) kinases also are activated by cell volume changes, but their...

High-k dielectric films are of interest as alternative gate insulators for metal-oxide semiconductor devices. Inour previous study, surface morphology and leakage current distribution of high-k dielectric films(HfSixOy andZrO2) have been simultaneously investigated at the nanoscale by tunneling atomic force microscopy (TUNA) [1]. Itwas found that the dominant leakage current pat...

This paper describes a computer supported ubiquitous learning (CSUL), called CLUE, the learners provide their own knowledge about the language learning in their everyday life, share them in the community and discuss about them. This paper focuses on knowledge awareness map and its design, implementation and evaluation. The map visualizes the relationship between the shared knowledge and the cur...

This paper describes a computer supported collaborative learning (CSCL) in a ubiquitous computing environment. In the environment called CLUE, the learners provide and share individual knowledge and discuss about them. This paper focuses on knowledge awareness map and its design, implementation and evaluation. The map visualizes the relationship between the shared knowledge and the current and ...

This research considers experiential knowledge as a basis for distinguishing conceptual models of atmospheric space from those of terrestrial geographic space. Models of spatial knowledge typically define knowledge acquisition in terms of a static environmental framework, a framework that accurately represents the manner in which individuals experience terrestrial space. However, this framework...

Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, NY, NY, USA Current MR/PET systems employ segmentation of MR images and subsequent assignment of empirical attenuation map values for quantitative PET reconstruction. In this current study we examine the quantitative differences between our carotid artery imaging protocol on both a PET/CT and an MR/PET scann...