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تعداد نتایج: 1811901 فیلتر نتایج به سال:
Background: The presence of lead in the industrial fumes, sewage, and also in industrial paints, ceramic, and printing materials, make this element as one of the most common environmental contaminant. Lead can enter the body through respiratory and digestive tracts as well as through the skin and with progressive accumulation can have a destructive effect on several organs in the human body. Bl...
The long-term response of 10 asymptomatic, antiretroviral therapy-naive HIV-1-infected patients to potent combination antiretroviral therapy was characterized by monitoring levels of HIV-1 RNA in plasma, peripheral blood mononuclear cells (PBMC), and lymphoid tissue using highly sensitive HIV-1 RNA assays. Although plasma viral loads were continuously suppressed to levels below 50 HIV-1 RNA cop...
Fe is a candidate to replace Co in WC hardmetals, due its lower cost and toxicity. Here, WC-FeCr hardmetal was compression tested at 900–1200 °C. Particular attention paid the steady-state creep rates stress-exponents (n) during isostress treatments. Three regimes of n are observed. Two these were previously reported for WC-Co: power law (n ≈ 3) stresses below ~100 MPa; grain boundary sliding 1...
Altex 31, 3/14 367 Huh, D., Matthews, B. D., Mammoto, A. et al. (2010). Reconstituting organ-level lung functions on a chip. Science 328, 1662-1668. http://dx.doi.org/10.1126/science.1188302 Huh, D., Leslie, D. C., Matthews, B. D. et al. (2012). A human disease model of drug toxicity – induced pulmonary edema in a lung-on-a-chip microdevice. Sci Trans Med 4, 159ra147. http://dx.doi.org/10.1126/...
Twenty-five chipmunk species occur in the world, of which only the Siberian chipmunk, Tamias sibiricus, inhabits Asia. To investigate mitochondrial cytochrome b sequence variations and population structure of the Siberian chipmunk in northeastern Asia, we examined mitochondrial cytochrome b sequences (1140 bp) from 3 countries. Analyses of 41 individuals from South Korea and 33 individuals from...
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