نتایج جستجو برای: slope of retention curve

تعداد نتایج: 21176771  

The aim of this study was to investigate the effect of tartrate ion (C4H4O62-) on the extraction and separation of zinc and cadmium using D2EHPA extractant. The presence of tartrate ion in the solution caused the shift of  the  extraction curve of zinc and cadmium to the more alkaline pH; however, the shifting rate for the cadmium extraction curve was more significant. In the absence of tartrat...

2014
A R Yusuf Ahammed Channamallappa C Ganiger Vikranth Shetty Sunil Sunny Sadashiva Shetty Renuka Pawar K V Suresh

BACKGROUND Curve of Spee was first described by Ferdin and Graf Von Spee in 1890. The curve of Spee is an important characteristic of the mandibular dental arch. One of the most frequently encountered problems in the treatment of orthodontic patients is an excessive overbite. Deep bite has been found to be associated with abnormal mandibular function. Temporomandibular joint disorders also have...

The Phillips curve usually has been estimated in a linear framework which implies a stable constant relationship between inflation and unemployment. Some of the studies claim that the slope of the Phillips curve is a function of macroeconomic conditions and also the relationship is asymmetric. This article deals with a smooth transition regression model for relationship between inflation and un...

Ecosystem services are benefits that people obtain from ecosystems. Soil retention is one of the most important ecosystem services. The capacity of ecosystem to maintain soil can be estimated by quantifying this services. In this study, version 3.0.0 of the InVEST software was used to map this ecosystem service in the eastern part of Gorgan-Rud watershed. The InVEST model employs the Universal ...

Journal: :Circulation 1990
C D Gottlieb M E Rosenthal N J Stamato L H Frame M D Lesh J M Miller M E Josephson

Programmed ventricular stimuli introduced during sustained monomorphic ventricular tachycardia frequently reset the tachycardia, resulting in a less than fully compensatory pause. A resetting response curve is generated when the set of return cycles is evaluated as the function of the coupling intervals of the extrastimuli delivered during the ventricular tachycardia. If the stimulated wave fro...

Journal: :iranian red crescent medical journal 0
hamed momeni moghadam health promotion research center, zahedan university of medical sciences, zahedan, ir iran; health promotion research center, zahedan university of medical sciences, zahedan, ir iran. tel/fax: +98-5413228445 david a goss school of optometry, indiana university, bloomington, indiana, usa abbas a yekta school of paramedical sciences, mashad university of medical sciences, mashhad, ir iran marzieh ehsani school of rehabilitation sciences, zahedan university of medical sciences, zahedan, ir iran

conclusions the x-intercepts (point at which the fdc crosses the x-axis) were on average more in the base-in direction, y-intercepts (point at which the fdc crosses the y-axis) were shifted in the exo direction, and slopes were steeper in the symptomatic group. results there were more subjects with exo fixation disparity than eso fixation disparity in the study sample. the means for fixation di...

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