نتایج جستجو برای: degree of operating leverage dol
تعداد نتایج: 21175232 فیلتر نتایج به سال:
BACKGROUND Despite estimates that 83% of mothers in the United States receive labor pain medications, little research has been done on how use of these medications affect onset of lactation. OBJECTIVE To investigate whether use of labor pain medications is associated with delayed onset of lactation (DOL). METHODS We analyzed data from the 2005-2007 Infant Feeding Practices Study II, a longi...
We describe the design and experiences gained with the databaseand web-based document server DOL, which we developed at the University of Leipzig (http://dol.uni-leipzig.de). The server provides a central repository for a variety of fulltext documents. In Leipzig, it has been used since 1998 as a university-wide digital library for documents by local authors, in particular Ph.D. theses, master ...
A series of metal modified dolomite catalysts (10%Ni-20%Cu/Dol, 10%Co-20%Cu/Dol, 10%Fe-20%Cu/Dol, 10%Zn-20%Cu/DolNi) were synthesized via method impregnation, later calcined at 500 ℃ and reduced by 5%H2 600 ℃. Those formerly tested for their physico-chemical properties BET, BJH, XRD, H2-TPR, NH3–TPD, CO2-TPD SEM, followed evaluation in catalytic performance glycerol hydrogenolysis to 1,2-propan...
the present study was to investigate the impact of ownership type on the performance of Iranian banks. To this end, the performance of the given banks was measured by three indices including return on equity, return on assets, and cost-to-operating income ratio. The bank assets, loan-to-deposit ratio, liquidity ratio, leverage ratio, operating profit margin ratio, and debt-to-asset ratio were a...
This study was conducted to gain insight into the process of assembly of the membrane attack complex (MAC) of complement through structural analysis. Four intermediate complexes and the MAC were examined by electron microscopy and by sucrose density-gradient ultracentrifugation. The C5b-6 complex has a sedimentation rate of 11S, an elongated, slightly curved shape and dimensions of 160 x 60 x 6...
BACKGROUND Peritoneal dialysis (PD) for acute kidney injury (AKI) of newborns has been performed safely. AKI occurs in 8 to 24% of extremely low birth weight (ELBW) infants. Although PD has only been used occasionally in ELBW infants, prognosis is poor for ELBW infants with AKI. Several reports have described successful PD in these infants, but no guideline-based evidence concerning indications...
A former 27 week gestation, 1090 gram birth weight Hispanic female infant was born by caesarean section because of transverse lie and preterm labor. The mother had received no prenatal care. The infant was treated at the time of delivery with Survanta™ for hyaline membrane disease. Umbilical artery and vein catheters were placed at birth and discontinued on day of life (DOL) five and seven, res...
Simulation results are reported on methods that allow both within group and between group heteroscedasticity when testing the hypothesis that independent groups have identical regression parameters. The methods are based on a combination of extant techniques, but their finite-sample properties have not been studied. Included are results on the impact of removing all leverage points or just bad ...
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