نتایج جستجو برای: sample using cochran
تعداد نتایج: 3627630 فیلتر نتایج به سال:
A new simple and reliable method for rapid and selective extraction and determination of trace levels of Zn(II) ion is developed. Zn(II) ions are adsorbed quantitatively during passage of aqueous samples through PET-AA/AAm nano fiber modified. Almost all matrix elements were found to pass through the nano fiber to drain. Modified Poly (ethylene terephthalate)-grafted-Acrylic acid/Acryl amide Na...
the purpose of the present study mediating role of psychological empowerment of employees in relation to the effective management and organizational excellence.this research is based on the target application is based on a description of the method of data collection survey. the population of the city of hamadan university research represents all employees, sample using cochran's formula f...
Cochran constructed many links with Alexander module that of the unlink and some nonvanishing Milnor invariants, using as input commutators in a free group and as an invariant the longitudes of the links. We present a different and conjecturally complete construction, that uses elementary properties of clasper surgery, and a different invariant, the tree-part of the LMO invariant. Our method al...
PURPOSE Over the past 50 years, language sample analysis (LSA) has evolved from a powerful research tool that is used to document children's linguistic development into a powerful clinical tool that is used to identify and describe the language skills of children with language impairment. The The Systematic Analysis of Language Transcripts (SALT; J. F. Miller & A. Iglesias, 2008) Software Proje...
BACKGROUND Examining seasonal patterns of birth defects may help to identify environmental risk factors. Because the teratogenic window for most birth defects is during gestational weeks 3 to 8, investigating exposures closer to the timing of conception is important. However, studies are usually based on month of birth, which is not the biologically relevant exposure period and does not account...
Objective of writing present article is to study relation between compensation situation and human resources system among staffs of Shiraz medical university. Statistic community ,is staffs of Shiraz medical university including( managers, experts, and employees),totally 800 persons which sample of research by way of random category with use of Cochran sampling formula 288 persons were selected...
Banks that have experienced policy reforms and restructuring, to properly position the industry having realized financial sustainability of their success in long term depends on strategic adaptability through internal collaboration, external partnership, technological innovation, flexibility workforce agility. Thus, this study investigated effect deposit money banks Nigeria. The adopted survey ...
BACKGROUND Restless legs syndrome (RLS) is a sleep related movement disorder that occurs both in an idiopathic form and in symptomatic varieties. RLS is a frequent and distressing comorbidity in end stage renal disease (ESRD). For idiopathic RLS (iRLS), genetic risk factors have been identified, but their role in RLS in ESRD has not been investigated yet. Therefore, a case-control association s...
OBJECTIVE We investigated the relationship between human immunodeficiency virus (HIV) phenotypic susceptibility to didanosine and the antiviral activity of didanosine (ddI) in the JAGUAR study. METHODS Baseline plasma HIV phenotypic susceptibility to ddI was assessed using a phenotype assay of patients randomized to receive ddI or placebo for 4 weeks in addition to their current regimen. Phen...
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