with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

Aesthetics of Iranian Hand Woven Carpets is one of the main reasons for its eternality. Recognition of such beauties, give one such scales for his/her evaluation about this matter. These elements are qualified features which affect on aesthetics of Iranian carpets and help to its eternality. This survey takes into consideration the main cases according to their relations toward carpet aesthetic...

Since man has been engaged in architecture, he has paid attention to the spiritual , inner needs and aesthetics sense too. Today, in architecture, aesthetics is limited to formal secondary factors due to lack of the systematic and applied explanation, while this concept has a more definition and is closely related to structure, details of construction, audience and environment. Iranian architec...

چکیده ندارد.

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

Being fundamentally different and sometimes in the state of confrontation, with traditional and classic aesthetics, 20th century was the realm of new aesthetics in art. Artists, especially the genuine and reflective ones, intentionally and consciously violated the principals of previous periods. An important form of new aesthetics is the “collage Intertextuality”. The number of prominent artist...