نتایج جستجو برای: dla cells

تعداد نتایج: 1387824  

2007
Timothy Baldwin

Coverage has been a constant thorn in the side of deployed deep linguistic processing applications, largely because of the difficulty in constructing, maintaining and domain-tuning the complex lexicons that they rely on. This paper reviews various strands of research on deep lexical acquisition (DLA), i.e. the (semi-)automatic creation of linguistically-rich language resources, particularly fro...

1999
Mercedes Mollá Federico Ferrini

The distribution of element abundances with redshift in Damped Lyα (DLA) systems can be adequately reproduced by the same model reproducing the halo and disk components of the Milky Way Galaxy at different galactocentric distances: DLA systems are well represented by normal spiral galaxies in their early evolutionary stages.

1997
B. Ziaja

The structure of the QCD gluonic cascade in configuration space is investigated. The explicit form of the inclusive single particle density in configuration space transverse coordinates is derived in the double logarithmic approximation (DLA) of QCD. The possible simplification of the multiparton density matrix formalism for DLA approach is found and discussed.

1997
B. Ziaja

The structure of the QCD gluonic cascade in configuration space is investigated. The explicit form of the inclusive single particle density in configuration space transverse coordinates is derived in the double logarithmic approximation (DLA) of QCD. The possible simplification of the multiparton density matrix formalism for DLA approach is found and discussed.

2003
Naoki KOBAYASHI Takuya SATO Yoshihiro YAMAZAKI Mitsugu MATSUSHITA

In this Note we report the attempt of generalization of Mimura et al. (MSM) model for colony formation of bacteria. We also show the numerical results, which are then compared with experiments. Bacterial species Bacillus subtilis exhibits various colony patterns in response to two environmental parameters, i.e., concentrations of nutrient Cn and agar Ca in a thin agar plate as incubation medium...

Journal: :Blood 1998
B M Sandmaier R Storb K L Bennett F R Appelbaum E B Santos

Primary graft rejection after marrow transplantation occurs more frequently in patients receiving HLA-haploidentical compared with HLA-identical sibling transplants. Both human and experimental animal data suggest that the cells responsible for this phenomenon are either host natural killer (NK) cells, T cells, or both. To investigate the mechanisms of graft rejection, we have developed a canin...

Journal: :Asian Pacific journal of cancer prevention : APJCP 2007
C Guruvayoorappan Girija Kuttan

An alcoholic extract of Biophytum sensitivum was studied for its immunomodulatory and antitumor activity. The extract was 100% toxic at a concentration of 0.5 mg/ml to Dalton's lymphoma ascites (DLA) and Ehrlich ascites carcinoma (EAC) cells. B. sensitivum extract was also found to be cytotoxic towards L929 cells in culture at a concentration of 0.1 mg/ml. Administration of B. sensitivum extrac...

2003
Emma V. Ryan-Weber Rachel L. Webster

We have measured the column density distribution function, f(NHI), at z = 0 using 21-cm Hi emission from galaxies selected from a blind Hi survey. f(NHI) is found to be smaller and flatter at z = 0 than indicated by high-redshift measurements of Damped Lyman-α (DLA) systems, consistent with the predictions of hierarchical galaxy formation. The derived DLA number density per unit redshift, dNDLA...

Journal: :Chaos 2004
Martin Z Bazant Jaehyuk Choi Benny Davidovitch Darren Crowdy

Diffusion-limited aggregation (DLA) and its variants provide the simplest models of fractal patterns, such as colloidal clusters, electrodeposits, and lightning strikes. The original model involves random walkers sticking to a growing cluster, but recently DLA (in the plane) has been reformulated in terms of stochastic conformal maps. This fruitful new perspective provides the exact Laplacian c...

2011
Ryan Cooke Max Pettini Charles C. Steidel Gwen C. Rudie Regina A. Jorgenson

We present high-resolution observations of an extremely metal-poor damped Lyα system (DLA), at zabs = 2.340 0972 in the spectrum of the QSO J0035−0918, exhibiting an abundance pattern consistent with model predictions for the supernova yields of Population III stars. Specifically, this DLA has [Fe/H] −3, shows a clear ‘odd–even’ effect, and is C-rich with [C/Fe] = +1.53, a factor of ∼20 greater...

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