agriculture sector in iran and some other countries of the world has a vital role in national development. animal husbandry sub-sector needed meat of the society, creating related jobs and producing raw materials of some industries. acquiring scientific and sound information of the current situation of regions are important and imitative step in improvement program planning. the purpose of this...

A novel speech bandwidth extension method based on audio watermark is presented in this paper. The time-domain and frequency-domain envelope parameters are extracted from the high-frequency components of speech signal, and then these parameters are embedded in the corresponding narrowband speech bit stream by the modified least significant bit watermark method which uses perception property. At...

We formalize what it means to have permission to say something. We adapt the dynamic logic of permission by van der Meyden [22] to the case where atomic actions are public truthful announcements. We also add a notion of obligation. Our logic is an extension of the logic of public announcements introduced by Plaza [17] with dynamic modal operators for permission and for obligation. We axiomatize...

While Extension communication units have seen success in implementing brand strategies to raise awareness of Extension, the public value and need for programming continue be misunderstood. College students potential ensure future is viable. To expose undergraduate a relations seminar was developed delivered by state specialist 95 enrolled an agricultural technical writing course at land-grant u...

Household food security remains a challenge in South Africa. The national government instituted the Integrated Food Security Strategy (IFSS) programme which identifies household agricultural production as an important element of improving household-level food security. Agricultural extension is well positioned to help achieve this aim, but its current contribution is unknown. This study identif...