In an attempt to characterize the soundscape in areas of Sendai City, we have studied sound pressure levels at 9 different points differing in degree of urbanization and representing different sound environments. Results indicates that larger sound amplitudes in each site correspond to the nature of its environment. In urban zones with few natural elements, manmade sounds are the most intense, ...

Water is the most essential component for sustaining lives of humans and other living creatures. Supplying potable water with adequate residual pressure is a fundamental responsibility of city administration, which they do during normal conditions. But sometimes, abnormal conditions are formed resulting pressure deficient conditions during the daily operations of water distribution networks. Th...

Ultrasonic transmitters were surgically implanted into adult tautog (n=27, 400–514 mm TL) to document sea­ sonal occurrence and site utilization at four sites situated within known tautog habitat near Cape Charles, Virginia, in lower Chesapeake Bay. Tagged tautog were released at the same sites where originally caught within 2 h of capture. Sites were continuously monitored with automated acous...

Mission requirements for planned NASA and DOD spacecraft often include designing for survivability. The threats to the survivability of a spacecraft can be either manmade (e.g., ASATs, space debris) or natural (e.g., radiation belts, micrometeoroids). An overview of the principal kinds of manmade threats and the implications on the design of space power systems are discussed. In general, it is ...

Accumulation of trace metals in sediment can cause severe ecological impacts. The present study determines the elemental concentrations and chemical partitioning of heavy metals in surface sediment of Shadegan wetland. Shadegan wetland is one of the most important wetlands in southwest of Iran and it is in Ramsar-listed wetlands. For this purpose, 7 sampling stations were selected for sediment ...

Attention is thought to impose an informational bottleneck on vision by selecting particular information from visual scenes for enhanced processing. Behavioral evidence suggests, however, that some scene information is extracted even when attention is directed elsewhere. Here, we investigated the neural correlates of this ability by examining how attention affects electrophysiological markers o...

water is the most essential component for sustaining lives of humans and other living creatures. supplying potable water with adequate residual pressure is a fundamental responsibility of city administration, which they do during normal conditions. but sometimes, abnormal conditions are formed resulting pressure deficient conditions during the daily operations of water distribution networks. th...