نتایج جستجو برای: landholding systems
تعداد نتایج: 1183456 فیلتر نتایج به سال:
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in this study, a robust controller is designed for fuzzy network control systems (ncss) using the static output feedback. delay and data packet dropout affect on the stability of network control systems, and therefore, the asymptotic stability condition is established considering delay and data packet dropout. delay is time-varying while the lower and upper bounds for delay is defined, and the ...
The beet armyworm (BAW), Spodoptera exigua (Lepidoptera: Noctuidae) is a highly destructive pest of vegetables and field crops. Management primarily relies on synthetic pesticides, which threatening the beneficial community environment. Most importantly, BAW developed resistance to pesticides with making it difficult manage. Therefore, alternative environment-friendly management tactics are urg...
this survey is carried out with the major objective of studying various water treatment plants in iran. the emphasis was on the plants being fed by surface water resources; also the clarification unit was taken as the major one among treatment processes. in this way 25 water treatment plants located in different cities of iran were studied from the point of view of technical specifications chem...
Climate change has severely impacted the rain-fed agricultural production system which is dominant in Nepal. This situation demands implementable strategies like supplemental irrigation for mitigating adverse impacts. In spite of importance irrigation, it not adopted on a wider scale. Hence, this paper aims to assess perceptions climate and identify factors that influence adoption practices. im...
Restoring tree cover in tropical countries has the potential to benefit millions of smallholders through improvements income and environmental services. However, despite their dominant landholding shares many countries, smallholders’ role restoration not been addressed prior global or pan-tropical studies. We fill this lacuna by using spatial data on trees people, national indicators enabling c...
some researches made in the field of agency problem issue, deal with the role of control systems regarding owners and managers. in this research the relationship between the two control mechanisms, namely the voluntary disclosure (external control mechanism) and outside directors (internal control mechanism), which are reductive of agency problems, has been studied. for this reason, a sample ...
the chronic exposure to elf-emf (extremely-low frequency electromagnetic field) has been shown as an effective factor at biological systems. in order to determine the possible effects of whole-body exposure to emf on plasma levels of testosterones and corticosterone, weight gain and testicular gene expression of gstt1 of male rats, the present study was performed by the following procedure: thi...
introduction: oral diseases are the most prevalent diseases probable at any age. they are chronic in nature and expensive to care. accurate, comprehensive, well-structured, well-managed data is required to control and prevent oral diseases, clinical audit, quality of patient care, and administrative, financial, research and legal goals fulfillment we need. in dentistry, data collection would p...
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