نتایج جستجو برای: nomadic and dry
تعداد نتایج: 16837578 فیلتر نتایج به سال:
leased glutamate could explain the electrophysiological changes observed during LTP that have been attributed to an increase in presynaptically released neurotrans-Long-term potentiation (LTP) is one of the most widely mitters. In support of the silent synapse hypothesis, studied topics in neuroscience today. LTP refers to a electrophysiological and immunohistochemical studies long-lasting incr...
This paper presents three efforts to support children engaged in mobile and nomadic learning both in and out of the classroom. The HyConExplorer is a mobile, context-aware hypermedia system developed to help pupils access and produce digital content during project work in the field. The eBag is the equivalent of an electronic school bag and provides pupils access to their digital materials thro...
Sustainability of livestock production systems (LPSs) is of prime importance to the needs of human beings. From a sustainability point of view, an LPS is sustainable when it is environmentally nondestructive, economically viable and socially provides appropriate quality of life for producer and the whole community. Iran LPS is primarily based on traditional production systems. Therefore, an imp...
background: since pars abad district had been known as a focus of visceral leishmaniasis (vl) in ardabil province but the prevalence of the disease in nomadic tribes has not been determined, thus, this study was conducted. methods: this descriptive cross- sectional study was conducted on children up to 12yr old of nomadic tribes from pars abad county, ardabil province, iran in 2015. for each in...
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Preventing the spread of diseases between and within farms (biosecurity) is essential for minimizing animal mortality morbidity, as well reducing risk zoonotic diseases. These effects are even greater in countries such Iran, which have to deal with multiple ongoing epidemics infectious disease. However, there currently no published information about biosecurity practices on sheep goat Iran rese...
this study develops a long run optimal pattern for nomadic ranchers of fars province under climate uncertainty by simulating dynamic process of livestock and forage productivity as well as employing dynamic stochastic programming. results indicate that the nomadic representatives do not perform, optimally. despite their attachments to livestock as an asset, and their life dependency on livestoc...
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