Owing to environmentally-destructive impact of aromatic hydrocarbons, such as benzene, benzene ethyl, toluene, and xylenes or BTEXs, these materials are classified as hazardous pollutants in the air. This study studies cancer and non-cancer risk in District 12 of Tehran Municipality, through these components for two groups of employees or storekeepers and gas station customers. By measuring pol...

THIS NOTE is prompted by the acquisition by the Wellcome Institute of the History of Medicine of an exceedingly rare pharmaceutical tile, decorated with the Arms of the Society of Apothecaries (see fig. 1), and also because of growing interest in tiles bearing the Arms of the Society, an interest that has raised more questions than it has answered.' One particular point at issue is whether the ...

ONE BY-PRODUCT of the three great cholera epidemics of nineteenth-century Britain was a huge literature of pamphlets, reports and monographs which described the effects on individual towns and districts.' In Oxford there were serious local outbreaks in 1832, 1849 and 1854. The disease spread along the Thames Valley from London and was brought into Oxford by the continual traffic of people and g...

children learning to write. An eminent sinister-handed Dallas plastic surgeon reported: “In parochial summer school the nuns were determined to change me and actually tied my left hand behind my back. The result of this action was tremendous tenacity and endurance! . . . We write left to right and smear our fresh ink across the page.” He added: “Numerous theories throughout history have claimed...

This paper is concerned with the massively multi-player online role-playing game Ultima Online. Because of the large number of players, the evolution of sub-groups, or guilds, are very common. This document contains a general description of Ultima Online and an analysis of a particular guild. I show that the guild can be classified as a virtual community and discuss the importance of its rules ...

introductionannually, heavy metal pollution is increasing in the environment and this eventually causes serious hazards forhealth of human, animal and plant populations. heavy metals with their harmful effects are the major pollutantsin big cities. tehran is a big city and faced with this problem. heavy metals such as arsenic, iron, zinc, lead,cadmium, chromium, copper, manganese and nickel exi...

We describe our approach to building advanced synthetic characters, within the paradigm of logic-based AI. Such characters don’t merely evoke beliefs that they have various mental properties; rather, they must actually have such properties. You might (e.g.) believe a standard synthetic character to be evil, but you would of course be wrong. An advanced synthetic character, however, can literall...

We describe our approach to building advanced synthetic characters, within the paradigm of logic-based AI. Such characters don’t merely evoke beliefs that they have various mental properties; rather, they must actually have such properties. You might (e.g.) believe a standard synthetic character to be evil, but you would of course be wrong. An advanced synthetic character, however, can literall...

We describe our approach to building advanced synthetic characters, within the paradigm of logic-based AI. Such characters don’t merely evoke beliefs that they have various mental properties; rather, they must actually have such properties. You might (e.g.) believe a standard synthetic character to be evil, but you would of course be wrong. An advanced synthetic character, however, can literall...

In Kevin Lynch's (1960) classic formulation of the image city, he asks us to think about urban environments as a series topographic registers on landscape, from monuments mountains, paths edges, nodes, and junctions. There is human element this vision, with its concentrations convergences in social space; hangout value street corner or how cut railway marks off cultural district. However, these...