This paper presents a technique to monitor the performance of DVB-S/S2 transmission systems at the Link Layer (LL) level using the Unidirectional Lightweight Encapsulation (ULE) protocol. The technique is based on the use of extension headers and is validated for different traffic patterns. It has been designed to provide an Operation, Administration and Management (OAM) method for IP-based DVB...

Soil fertility is important factors for growth and productivity of vegetation. The relationship between vegetation and soil fertility deserves attention due to its scientific importance and practical applications. However, the effects of soil fertility on vegetation development and succession are poorly documented. Here we study soil fertility in Yanhe watershed at northern Shaanxi on five diff...

Despite the voluminous literature on the role of RDI networks in economic development there are rather few information about their internal structure and functioning. This information is very relevant to highlight the most important factors in favour or against RDI networking. In places where the general circumstances are not really favouring such knowledge intensive collaborations the governme...

The boundedness and global asymptotic behavior of positive solutions of the nonlinear two-dimensional difference systems xn 1⁄4 Uðxn t1 ; yn s1 Þ; yn 1⁄4 Wðyn s2 ; xn t2 Þ, where t1; s1; s2; t2 are all positive integers, are investigated. Some sufficient conditions are established such that the positive solutions converge to the unique equilibrium. Finally, some examples are given to illustrate...

This work aimed to evaluate the agronomic responses intensification of grain production systems under water restriction in central region Minas Gerias, Brazil. We studied six systems, including soybean and maize monocropping with medium investment maintenance fertilization, annual alternating these crops or high investment, inclusion not ruzigrass for straw increment. Soybean lose yield potenti...

In 2011, the regular increase in survival of childhood cancer (overall survival [OS] 72% at 10 years) (Berger 2006) suggests that one of every 850 adults in Europe has had pediatric cancer. As these children become adults, their concerns with possible long-term disease complications and risks associated with therapy received increase. Adverse effects of cancer therapies include disorders of the...

This work presents a survey of the macrofauna and chemical fertility soil in two sample areas same valley; it verifies if type vegetation cover positively impacts on greater diversity quantity edaphic macrofauna; as consequence increase macrofauna, there is correlation between population fertility. The comparison made areas: area 01, occupied with Brachiaria brizantha integrated native cerrado ...