a simple, sensitive and selective method for solvent extraction and spectrophotemetric determination of lanthanum (ii) europium (iii), and cerium (iii) is described , the rare earth metals are extracted into chloroform solution of n-phenylbenzohydroxamic acid (pbha) at ph 9-10 various parameters are studied to optimize the extraction conditions. the molar absorptivity is found to increase from ...

Background: Delay in patient's timely discharge can affect the efficiency of beds, outcomes of treatment and hospital indicators. The aim of this study was to determine delay causes in the discharge of patients in educational hospitals of Ahvaz Jundishapur University of medical sciences from nurses and physicians' perspective, 2016. Methods: The population of this analytic and cross-sectional ...

Tremendous technologic movements in recent decade have inspired a novel thinking in the need for hospital beds. This thinking is significantly reflected in the physical structure of hospitals, the ratio of building space to the bed, all area of the hospital from the viewpoint of hospitalization beds, extending the spaces related to the identification wards, outpatient operation wards and new w...

abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...

Introduction: The equity distribution of health services is a major aim of all countries. Because, The present study was aimed to explore the manpower distribution of specialist physicians and nurses by population, and its relationship with the number of beds at public hospitals in Iran’s from 2000 to 2005. Methods: This is a descriptive- analytical, retrospective study. The data are analyzed u...

rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...

Introduction: Hospital is known as an important and the most costly performing unit of health care systems, therefore, economic analysis of this unit is very important Methods: This study designed to estimate hospital production function in Orumieh Medical Sciences University hospital's. for this study 16 hospitals were studied. We used panel data for estimation of mentioned function, data were...