نتایج جستجو برای: stray coins
تعداد نتایج: 5028 فیلتر نتایج به سال:
BACKGROUND Carnivore carcasses on the roads can be regarded as study materials in parasitology and eco-epidemiology. Stray carnivores such as dogs and cats are known to harbor so many different pathogens like zoonotic helminthes. The current investigation, apparent the status of the helminthic parasites found in road killed carnivores from different parts of Guilan Province north of Iran. MET...
Zoonotic visceral leishmaniasis is caused by Leishmania infantum (L. infantum),and its major reservoir hosts are domestic dogs, most of which are asymptomatic. This study aimed to detect L. infantum spp. in asymptomatic stray dogs by molecular and serological methods in Mashhad, Iran, during 2011-12. In this study, 94 asymptomatic stray dogs were randomly selected and their blood samples were c...
This paper studies the trade-off between two different kinds of pure exploration: breadth versus depth. We focus on the most biased coin problem, asking how many total coin flips are required to identify a “heavy” coin from an infinite bag containing both “heavy” coins with mean ✓ 1 2 (0, 1), and “light" coins with mean ✓ 0 2 (0, ✓ 1 ), where heavy coins are drawn from the bag with proportion ↵...
OBJECTIVES To determine the quantity and quality of bacterial and fungi on money coins and to identify those that could pose a public health risk. DESIGN Random sampling of coins from subjects within predetermined categories. SETTING Westlands division of Nairobi Metropolitan province. SUBJECTS Twenty-shilling coin samples were collected from matatu (a common commuter vehicle in Kenya) ta...
Compact e-cash schemes allow a user to withdraw a wallet containing k coins in a single operation, each of which the user can spend unlinkably. One big open problem for compact e-cash is to allow multiple denominations of coins to be spent efficiently without executing the spend protocol a number of times. In this paper, we give a (partial) solution to this open problem by introducing two addit...
Divisible E-cash systems allow users to withdraw a unique coin of value 2 from a bank, but then to spend it in several times to distinct merchants. In such a system, whereas users want anonymity of their transactions, the bank wants to prevent, or at least detect, double-spending, and trace the defrauders. While this primitive was introduced two decades ago, quite a few (really) anonymous const...
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