Policies to promote renewable electricity are increasingly seen as a way to reduce the negative environmental read more impacts associated with electricity consumption and meet growing electricity demand.This paper reviews the international experience with one such policy, namely, renewable energy certificates, and considers important design aspect
Abstract Background Renal cell carcinoma (RCC) has multiple symptoms stemming from disease and treatments.There are few validated scales for evaluating RCC symptoms.Methods A national cross-sectional study of adult RCC patients was conducted from October to December 2003 to define patient-reported RCC symptomology.Participants were asked open-ended
The lack of sufficient spectral resources in many alternative positioning, navigation, and timing (APNT) systems for aviation has led to the problem of mutual interferences.Building APNT system with the cognitive radio and frequency-hopping (FH) techniques can resolve above problem, however, the main challenge is to achieve a long and high-precisio