نتایج جستجو برای: hi
تعداد نتایج: 15354 فیلتر نتایج به سال:
High-sensitivity maps of the large-scale structure of atomic hydrogen in the starburst dwarf galaxy NGC 1569 show evidence for an HI cloud with a mass of 7 · 10 6 M ⊙ , at a projected distance of 5 kpc from the parent galaxy. This cloud may be a condensation in a low-column-density HI halo or a companion galaxy/HI-cloud. NGC 1569 and its companion are connected by a low surface brightness HI br...
It is well known that every tournament has a directed path containing all the vertices of V , i.e. a hamiltonian path. It is an easy exercise to show that a tournament has a unique such path if and only if the arcs of A induce a transitive relation on V . In this paper we show that by reversing the arcs of the hamiltonian path in a transitive tournament with n vertices we obtain a tournament wi...
BACKGROUND We have previously shown how tumor response of isolated limb perfusion (ILP) with melphalan was improved when tumor necrosis factor alpha (TNF-alpha) was added. Taking into account that other vasoactive drugs could also improve tumor response to ILP, we evaluated histamine (Hi) as an alternative to TNF-alpha. METHODS We used a rat ILP model to assess the combined effects of Hi and ...
Abstract We present the first measurements of H i galaxy scaling relations from a blind survey at z > 0.15. perform spectral stacking 9023 spectra star-forming galaxies undetected in 0.23 < 0.49, extracted MIGHTEE-H Early Science data cubes, acquired with MeerKAT radio telescope. stack bins properties (stellar mass M * , star formation rateSFR, and specific rate sSFR, sSFR ? /SFR), obtain...
The early stages of human lymphopoiesis are poorly characterized. Here, we compared the lymphoid potential of a novel umbilical cord blood CD34(+)CD45RA(hi)CD7(+) hematopoietic progenitor cell (HPC) population with that of CD34(+)CD45RA(hi)Lin(-)CD10(+) HPCs, previously proposed as candidate common lymphoid progenitors. Limiting-dilution and clonal analysis, fetal thymic organ cultures, and cul...
Hypoxia ischemia (HI) is a recognized risk factor among late-preterm infants, with HI events leading to varied neuropathology and cognitive/behavioral deficits. Studies suggest a sex difference in the incidence of HI and in the severity of subsequent behavioral deficits (with better outcomes in females). Mechanisms of a female advantage remain unknown but could involve sex-specific patterns of ...
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