منابع مشابه
landscape architecture in tehran today
suffering from disorder and chaos, tehran is a city capable of introduced as one of the most beautiful cities in the world for its historical and geographical capacities. unfortunately, in the modern era and after the islamic revolution when urban development destiny started to depend on engineers due to their increasing authority in urban management, culture role was undermined and tehran unde...
متن کاملLandscape Pesticides and Surface Water Quality
In the United States, home lawns occupy 20-25 million acres. Many residential landscapes also include non-turf systems such as ground covers, shrubs, trees, and mulches. In California alone it was last estimated that environmental horticulture occupied 1.4 million acres. Given the recent boom in new developments, the acreage of residential landscapes as of today may be substantially larger. Res...
متن کاملon semihypergroups and hypergroups
in this thesis, first the notion of weak mutual associativity (w.m.a.) and the necessary and sufficient condition for a $(l,gamma)$-associated hypersemigroup $(h, ast)$ derived from some family of $lesssim$-preordered semigroups to be a hypergroup, are given. second, by proving the fact that the concrete categories, semihypergroups and hypergroups have not free objects we will introduce t...
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ژورنال
عنوان ژورنال: Architectural Research Quarterly
سال: 2012
ISSN: 1359-1355,1474-0516
DOI: 10.1017/s1359135512000383