منابع مشابه
Empirical Evaluation of Wireless Underground-to-Underground Communication in Wireless Underground Sensor Networks
Many applications for irrigation management and environment monitoring exploit buried sensors wired-connected to the soil surface for information retrieval. Wireless Underground Sensor Networks (WUSNs) is an emerging area of research that promises to provide communication capabilities to these sensors. To accomplish this, a reliable wireless underground communication channel is necessary, allow...
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Gully erosion is one of the important forms of soil degradation especially in semi-arid areas. Gullies are occupying 13 percent of Ilam Province area. This research focused on studying the, topographic threshold of gullies, dominant process of gully initiation and development as well, in agricultural and rangeland land uses. Ilam province with 2 million hac area is located in western Iran. Ilam...
متن کاملThe Potential of Blended Learning in Agricultural Education of Ireland
The management of agricultural education faces on-going challenges to deliver current and effective materials in an approach that takes advantage of developments in education technology. In this article the use of blended learning was compared with the traditional approach for the instruction of theoretical materials in agricultural education. This study used a pre-test, post-test experimental ...
متن کاملSustainable development in Urban Underground Space
During a very long period of time, civil engineers have been the only ones to be designated as the experts for underground space, while the planners and architects were the ones of the development at the surface. Cities worldwide tend to overlook an invaluable asset that lies beneath their surfaces. Most cities and urban regions are unaware of the benefits underground space use has to offer, bo...
متن کاملResponding to Migrant and Refugee Healthcare Needs in Ireland
Human migration, both voluntary and precipitated by conflict and persecution, continues to pose challenges to the healthcare infrastructure of host countries. The scale of international migration to Ireland has increased substantially in recent years. Both economic migrants and refugees have complex health needs including those related to infectious diseases, malnourishment, gender-specific iss...
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ژورنال
عنوان ژورنال: Nature
سال: 1910
ISSN: 0028-0836,1476-4687
DOI: 10.1038/083014a0