نتایج جستجو برای: slowly changing function

تعداد نتایج: 1375644  

2017

Background: Chronic anemia in SCD during pregnancy could lead to a cascade of maternal and fetal complications. The aim of this study is to assess the various types of ABO blood groups of pregnant SCD women at booking and the severity of anemia. The outcome of this study will help in making recommendations of ABO blood types most suitable to improve the quality of life of SCD patients. This may...

Journal: :Cell 2003
Douglas A Lauffenburger

prenatal diagnosis. The CF people are much more posi-March 2003 is oversubscribed in registration. In the emerging post-genomic era, the recognition that com-tive about this than the SCD people. One understands putational methodologies will play a critical role in sys-this when one learns that the income of the (white) CF tems biology is widespread. Cell biologists have realized people is about...

2014
Vikram M Patil Kishan Ashok Bhagwat

SCD(Subacute combined degeneration) also known as Lichtheim's disease, refers to degeneration of the posterior and lateral columns of the spinal cord due to various causes vitamin B12 deficiency (most common), copper deficiency or vitamin E deficiency. The clinical manifestation of this entity lagging behind spinal Magnetic resonance (MR) imaging, demands MRI to be used as a screening tool. How...

2008
Daoyuan Sun Don Helmberger

[1] A lower mantle S wave triplication (Scd) has been recognized for many years and appears to be explained by the recently discovered perovskite (PV) to postperovskite (PPV) phase change. Seismic observations of Scd display (1) rapid changes in strength and timing relative to S and ScS and (2) early arrivals beneath fast lower mantle regions. While the latter feature can be explained by a Clap...

2012
Xiufeng Liu Christian Thomsen Torben Bach Pedersen

Extract-Transform-Load (ETL) programs process data from sources into data warehouses (DWs). Due to the rapid growth of data volumes, there is an increasing demand for systems that can scale on demand. Recently, much attention has been given to MapReduce which is a framework for highly parallel handling of massive data sets in cloud environments. The MapReduce-based Hive has been proposed as a D...

2006
C. Wolf M. E. Gray A. Aragón-Salamanca K. P. Lane K. Meisenheimer

We investigate correlations between galaxy age and environment in the Abell 901/2 supercluster for separate morphologies. Using COMBO-17 data, we define a sample of 530 galaxies, complete at MV − 5 log h < −18 on an area of 3.5 × 3.5 (Mpc/h). We explore several age indicators including an extinction-corrected residual from the colour-magnitude relation (CMR). As a result, we find a clear trend ...

2008
Luis C. Ho

We have assembled a sample of 64 late-type spiral galaxies (T types 6.0– 9.0, corresponding to Hubble types Scd–Sm) with archival Chandra data. At a signal-to-noise (S/N) threshold of 3, we find 12 objects with X-ray point-source detections in close proximity with the optical or near-infrared position of the nucleus (median offset δ = 1. 6), suggestive of possible low-luminosity active galactic...

1996
Rob P. Olling

I present sensitive high resolution VLA B, C, and D array observations of the almost edge-on Scd galaxy NGC 4244 in the 21-cm spectral line of neutral atomic hydrogen. The gas layer of NGC 4244 is rather symmetric in all respects, i.e. the surface density distribution, flaring and warping. This symmetry allows for a reliable determination of the rotation curve, despite the fact that the galaxy ...

2016
Daoyuan Sun Don Helmberger Meghan S. Miller Jennifer M. Jackson

D′′ represents one of the most dramatic thermal and compositional layers within our planet. In particular, global tomographic models display relatively fast patches at the base of the mantle along the circum-Pacific which are generally attributed to slab debris. Such distinct patches interact with the bridgmanite (Br) to post-bridgmanite (PBr) phase boundary to generate particularly strong hete...

2000
Denise A. Smith Ronald J. Allen Ralph C. Bohlin Natalya Nicholson Theodore P. Stecher

Recent studies of nearby spiral galaxies suggest that photodissociation regions (PDRs) are capable of producing much of the observed HI in galaxy disks. In that case, measurements of the observed HI column density and the far–ultraviolet (FUV) photon flux responsible for the photodissociation process provide a new probe of the volume density of the local underlying molecular hydrogen. We develo...

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