A fuzzy control irrigation system for cotton field is presented in this paper. The system is composed of host computer, slave computer controller, communication module, soil water sensors, valve controllers, and system software. A fuzzy control model is constructed to control the irrigation time and irrigation quantity for cotton filed. According to the water-required rules of different cotton ...

BACKGROUND The established treatment for bacterial arthritis of the knee joint is arthroscopic surgery with irrigation and debridement. The aim of this article is to summarize the relevant data in treating bacterial arthritis of the knee joint, and based on these findings to present a novel irrigation suction system, tested in a cadaver study, as an additional tool in the postoperative treatmen...

To improve the management of irrigation district is a key to develop water-saving agriculture. Based on the basic principles of water-saving irrigation, and using the method of Modified Penman Monteith and water balance equation, The system of irrigation management and decision support based on WEBGIS was developed,which is according to the soil moisture, crop growth status, meteorology change ...

Evaluation of irrigation system performance facilitates objective analysis of the typical as opposed to the potential performance of various types of irrigation systems and the respective management criteria, appropriate for local conditions. This information can also help with the selection of one system over another given local constraints. The impact that the application uniformity of a syst...

the round city of ardeshir khwarah, with its concentric layout, can be considered as the first city which established by the founder of the sasanian dynasty as a symbol of the sasanian royal ideology. ardeshir khwarah plays a key role in establishment of sasanian sovereignty and urban planning. however, a little is known about the history of the city. it seems even stranger if we consider the r...

evaluation of any irrigation system consists of analyzing the measurable performance of the system in real conditions as well as during the normal operation of the farm. irrigation evaluation is a management tool that allows the system manager to make the best use of what is available. unfortunately, in most regions of iran, after the implementation of irrigation systems their performance is no...

the sasanian settlements located persian gulf shores proving the economic-political sovereignty of iran over the persian gulf through preislamic era denotes commercial relations between iran and other regions. the remains of sasanian sites and scattered ceramic sherds help us to apprehend the history of the socio-political organization of the persian gulf sphere and recognize the interactions b...

the demonstration of female figures on sasanian silver vessels was an interesting subject to sasanian silversmiths which caused much dispute among the scholars over whose character the female figure represents. are they representations of the goddess anahita or members of her cult? is there any connection between them and the cult of asiatic dionysus? the other question that arises is whether t...