U/Pb ages of detrital zircon from two samples Ordovician sediments were determined and, based on similar published data, compared with xenocrystal inheritance Triassic and Oligocene granitoids the Cordillera Real in order to better understand their genetic relationship sources. The results show that sandstone inherited cores are statistically correlated. This correlation suggests assimilation t...

INTRODUCTION Logistics management information system for health commodities remained poorly implemented in most of developing countries. To assess the status of laboratory logistics management information system for HIV/AIDS and tuberculosis laboratory commodities in public health facilities in Addis Ababa. METHODS A cross-sectional descriptive study was conducted from September 2010-January ...

BACKGROUND Fishery management has historically been an inexact and reactionary discipline, often taking action only after a critical stock suffers overfishing or collapse. The invertebrate ornamental fishery in the State of Florida, with increasing catches over a more diverse array of species, is poised for collapse. Current management is static and the lack of an adaptive strategy will not all...

background acupuncture has recently received considerable attention around the world due to its cost-effectiveness, few side effects, and well-established analgesic properties. objectives the present study aimed to identify the factors that might lead to using acupuncture for pain relief. patients and methods this qualitative study was conducted using conventional content analysis method. the s...

The problems of developing country dependence on a narrow range of commodity exports are well-established. Many poorer developing countries have continued to generate a substantial proportion of their total export revenues from one or a small number of basic food commodities. In addition to the problem of declining world market prices for basic food products typically exported from developing c...

The multi-transshipment problem is NP-hard already for two commodities over bipartite networks. Nonetheless, using our recent theory of n-fold integer programming and extensions developed herein, we are able to establish the polynomial time solvability of the problem in two broad situations. First, for any fixed number of commodities and number of suppliers, we solve the problem over bipartite ...

This paper extends the previous literature on optimal redistributive taxation in the presence of externalities to a multi-externality setting. While taxes on income and on 'clean' commodities are still una ected by the externalities, which con rms previous results, I nd that the existence of more than one externality-generating commodity has important implications for the optimal Pigouvian tax ...

We evaluated flow reserve in non-obstructed bypass grafts supplying infarcted and noninfarcted myocardium. Bypass grafts were examined by phase-contrast flow measurements and myocardial viability was assessed with late enhancement technique. Flow reserve was higher in bypasses supplying normal myocardium compared to those supplying infarcted myocardium (2.9 vs. 1.5, p<.0001). This difference re...

Alleviating human sufferings during and in the aftermath of disasters is one most important goals humanitarian relief logistics. The lack commodities, especially life-saving items, a life-threatening loss to victims must be considered when making emergency supply allocation transportation decisions, even pre-disaster prepositioning phase. This paper proposes scenario-based stochastic program th...