Alkane Profiles in Tropical Forages

The role of n-alkanes in animal nutrition research has recently been reviewed by Dove and Mayes (1996). The measurement of voluntary intake (VI) using the naturally occurring odd chain length alkanes C31 or C33 in conjunction with administered even chain length alkanes such as C32 and C36 provides several advantages over the more conventional methods. Much of the development work involving this technology has been carried out with sheep or dairy cattle fed predominantly temperate pasture. Laredo et al., (1991) have published alkane profiles for a number of introduced tropical pasture grasses but no alkane profiles have been published for native tropical pasture grasses. Animal production for a consuming world : proceedings of 9th Congress of the Asian-Australasian Association of Animal Production Societies [AAAP] and 23rd Biennial Conference of the Australian Society of Animal Production [ASAP] and 17th Annual Symposium of the University of Sydney, Dairy Research Foundation, [DRF]. 2-7 July 2000, Sydney, Australia.

离子注入掺铒硅发光中心的光致发光研究

详细地分析了离子注入掺铒硅的光致发光谱，有5个发光峰分别位于1.536μm、1.554μ、1.570μm、1.598μ和1.640μm,其中1.536μm发光峰最强。结合背散射谱，认为其有效的发光中心为处于T_d对称中心的填隙铒Er~(3+)离子。在Er与O、N、C共掺样品应分别存在Er-O、Er-N和Er-C发光中心，其对应的PL发光峰分别为1.570μm、1.536μm和1.608μm。

Análise estrutural/comportamental da população de cágado mediterrânico, Mauremys leprosa, na ribeira temporária da Asseca

Dissertação de Mestrado, Biologia Marinha, Especialização em Ecologia e Conservação Marinha, Faculdade de Ciências do Mar e Ambiente, Universidade do Algarve, 2009