نتایج جستجو برای: o13 c23

تعداد نتایج: 1232  

This lecture introduces testing methods for the protection of children in vehicles. In order to reduce the fatalities and injuries of children in transportation state of the art child protection is mandatory. Global laws and regulations such as ECE or FMVSS are introduced and compared with New Car Assessment programs (NCAP). Engineering tools and equipment to test according to global child prot...

Journal: :Nucleic acids research 1990
G Maridor E A Nigg

Nucleolin and NO38 are abundant nucleolar proteins implicated in the transcription and processing of ribosomal RNA, and in the packaging and transport of ribosomal proteins or preribosomal particles (for references see 1-5). cDNAs encoding the chicken homologs of these proteins were cloned (by lmmunoscreening; 6) from Xgtll cDNA expression libraries prepared from poly(A)+ RNA of 10 day old chic...

Journal: :Blood 1992
J Wesierska-Gadek E Penner E Hitchman P Kier G Sauermann

Previously we observed that sera from recipients of allogeneic bone marrow transplants who developed extensive chronic graft-versus-host disease (GVHD) intensively stained the nucleolar region of target cells in indirect immunofluorescence microscopy. To identify the target antigens, immunoblotting experiments were performed using isolated nuclei, isolated nucleoli, and purified nuclear and nuc...

2015
Michael Hübler

This paper sets up a two-sector, two-period trade model of a developing country which is abundant in a non-renewable natural resource but scarce in industrial goods. It shows that lower future travel costs, rising demand for tourism and higher preferences for the environment slow down today’s optimal depletion of the natural resource that can be used for consumption or for exporting tourism ser...

2001
Paul Winters Benjamin Davis

In recent years, there has been increasing emphasis in the rural development literature on the multiple income-generating activities undertaken by rural households and the importance of assets in determining the capacity to undertake these activities. Controlling for endogeneity choice and applying Lee's generalization of Amemiya's two-step estimator to a simultaneous equation model, household ...

2004
CATHERINE MORRISON PAUL RICHARD NEHRING

The structural transformation of agriculture in recent decades has raised serious concerns about the future of the family farm. This study examines the economic performance of U.S. farms, to explore the potential of smaller farms to compete with larger entities, and ultimately to survive in this rapidly changing environment. We use deterministic and stochastic frontier methods and survey data t...

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