نتایج جستجو برای: urmia basin
تعداد نتایج: 59298 فیلتر نتایج به سال:
This article forms pan of an ongoing study of the coal and coalbed methane resource potential of northwestern British Columbia. Other areas under study include the Bower basin coalfield, Telkwa coalfield and Tertiary coalfields of the Bulkley Valley. Tertiary sediments survive in many major watersheds in British Columbia. The sediments are generally not well consolidated, poorly exposed and the...
Nowadays, biometrical characterizations of Artemia cysts are used as one of the most important factors in the study of Artemia populations and intraspecific particularity; meanwhile these characters can be used as economical indices. For example, typically high hatching efficiency is possible due to the small diameter of cysts (high number per gram); therefore small diameter of cysts show somew...
Alireza Asem 1,*,†, Amin Eimanifar 2,*,† and Michael Wink 3 1 Institute of Evolution & Marine Biodiversity, Ocean University of China, 5 Yushan Road, Qingdao 266003, China 2 Honey Bee Research and Extension Laboratory (HBREL), Department of Entomology and Nematology, University of Florida, Steinmetz Hall, Natural Area Dr., P.O. Box 110620, Gainesville, FL 32611, USA 3 Institute of Pharmacy and ...
Abstract Water productivity (WP) is one of the most important critical indicators in essential planning water consumption agricultural sector. For this purpose, WP and economic (WPe) were estimated using agronomic technologies. The impact technologies on WPe was carried out two parts field monitoring modeling novel intelligent approaches. Extreme learning machine (ELM), adaptive neuro-fuzzy inf...
The plankton fauna of the state of Piauí, Northeastern Brazil, especially in the Parnaíba basin, is still poorly known; the results of most studies of the subject have not been published and can only be found in grey literature (unpublished scientific works), such as course completion work and consulting reports. Thus, this paper presents data from samples taken recently from different water bo...
BACKGROUND Pediculosis capitis is cosmopolitan health problem. In addition to its physical problems, its psychological effects especially on pupils are more important. This study was conducted to determine the Pediculosis capitis among primary school pupils and also find out the role of probable related risk factors in Urmia city, Iran 2010. METHODS 35 primary schools of Urmia City according ...
OBJECTIVE Nocturnal enuresis is a common psychosocial concern for both parents and children. In the present study we have determined the prevalence of nocturnal enuresis in Urmia, Iran children and associated personal and familial factors with this problem. METHODS A cross sectional epidemiological study for detection of nocturnal enuresis prevalence rate and evaluation of associated familial...
Drought is a concept that is generally understood on a basic level, but is difficult to quantify. Palmer defined a drought as a meteorological phenomenon that is characterized by ‘‘prolonged and abnormal moisture deficiency. A drought can alternatively be broadly defined as a temporary, recurring reduction in the precipitation in an area. Aridity and drought are not synonymous. A...
urmia lake is the largest lake in the country which during recent years faces a dramatic reduction in the water level. many reasons such as climate change, continuous droughts, development of cultivation and land use changes as well as construction of dams were mentioned, but the provided reasons have less been well documented by scientific evidences. this study is an attempt to investigate the...
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