23,629 research outputs found
Maize and grass integrated system fertilized with polyhalite and KCl.
Crop-livestock integrated systems (CLIS) have been used as a strategy of sustainable agricultural intensification which integrates annual crops and livestock activities on the same area and in the same season.Poster number 1143
Avaliação de gramÃneas e leguminosas forrageiras em terra roxa estruturada.
bitstream/item/66793/1/Altamira-CirTec1.pd
Pesquisa com pastagem na região de Altamira, PA: resultados preliminares.
bitstream/item/61344/1/Altamira-Doc1.pd
A estabilidade da desigualdade no Brasil entre 2006 e 2012: Resultados adicionais
We examine how inequality measures, data sources, income brackets, ranking variables of tabulated tax data, underestimation of incomes in the bottom of the distribution and the methodology used to correct inequality affects the trends of inequality in total income among adults in Brazil between 2006 and 2012. The existing evidence corroborates the hypothesis that inequality has remained stable. Different data and methods lead to converging results: level higher than that measured using household surveys, stability and large importance of the rich to explain inequality trends between 2006 and 2012
Optimal estimation of losses at the ultimate quantum limit with non-Gaussian states
We address the estimation of the loss parameter of a bosonic channel probed
by arbitrary signals. Unlike the optimal Gaussian probes, which can attain the
ultimate bound on precision asymptotically either for very small or very large
losses, we prove that Fock states at any fixed photon number saturate the bound
unconditionally for any value of the loss. In the relevant regime of low-energy
probes, we demonstrate that superpositions of the first low-lying Fock states
yield an absolute improvement over any Gaussian probe. Such few-photon states
can be recast quite generally as truncations of de-Gaussified photon-subtracted
states.Comment: 4 pages, 3 figure
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