نتایج جستجو برای: natural depletion

تعداد نتایج: 540977  

Journal: :Journal of immunology 2007
Jeffrey M Milush Jacqueline D Reeves Shari N Gordon Dejiang Zhou Alagar Muthukumar David A Kosub Elizabeth Chacko Luis D Giavedoni Chris C Ibegbu Kelly S Cole John L Miamidian Mirko Paiardini Ashley P Barry Silvija I Staprans Guido Silvestri Donald L Sodora

Peripheral blood CD4+ T cell counts are a key measure for assessing disease progression and need for antiretroviral therapy in HIV-infected patients. More recently, studies have demonstrated a dramatic depletion of mucosal CD4+ T cells during acute infection that is maintained during chronic pathogenic HIV as well as SIV infection. A different clinical disease course is observed during the infe...

Journal: :journal of ornamental plants 2015
hosein salehi arjmand saeed sharafi

in order to study on effect of magnetic field on germination characteristics and early growth of marigold (calendula officinalis l.) seeds an experiment was carried out in laboratory conditions in arak university of iran. seeds were magnetically exposed to magnetic field strengths, 100 or 200 mt for different periods of time; d1 (control), d2 (1 h), d3 (6 h), d4 (12h), d5 (24 h) and d6 (continu...

Journal: :Catalysts 2021

The increasing rate of water and air pollution dramatically impacts natural ecosystems human health causing depletion biodiversity, climate changes, spreading respiratory diseases, and, as a consequence, negatively impacting the world economy [...]

2003
Robert J Hill

Failure to separate unexpected capital gains and losses on natural assets from depletion breaks the link between Net National Product (NNP) and sustainability. In addition, for resource rich countries this can lead to large spurious fluctuations in NNP, making it virtually useless for policy purposes. In contrast, when depletion is measured correctly, the link between NNP and sustainability is ...

Journal: :Energies 2021

The circular economy represents a fundamental pillar for modern business models and sustainable development targets: the mandatory claim “reduce, reuse, recycle” is answer to global criticalities of natural resources depletion waste increase [...]

Journal: Desert 2017
J. Bazrafshan M. Karimpour Reihan M. Mohseni Saravi Sh. Khalighi Sigaroudi َA. Salehpour Jam

     Investigation of drought event has a great importance in the natural resources and water resources management and planning. In this research, the effect of the climate change on drought characteristics in Khoy station was investigated using the HadCM3 model under B2 scenario. The statistical downscaling was executed using SDSM 4.2.9 and observed daily precipitation, observed predictors and...

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