the olefins polymerization process in a slurry reactor is discussed. the reaction rate dynamics was analyzed and the contributions of feed flow, gas-liquid mass transfer, polymerization reaction, and catalyst deactivation were estimated. the propylene solubility in a solvent mixture “heptane” was calculated using soave-redlich-kwong equation of state. these data were then approximated by henry-...

Background: Epidemiological studies are shown robust association between human papillomavirus (HPV) and cervical cancer. From 1990 HPV was known as a necessary but insufficient cause of cervical invasive cancer. The purpose of this study was to evaluate the cost effectiveness of HPV test in cervical cancer screening. Materials and Methods: This is a systematic review article; the newest scienti...

background to assess maternal confidence in her ability to cope with labor, a measure of childbirth self efficacy is necessary. objectives this paper aims to assess the cultural adaptation and psychometric testing of the short form of childbirth self-efficacy inventory among iranian pregnant women. patients and methods in this descriptive-methodological study, we investigated 383 iranian pregna...

Background: Rotator cuff injuries are the most common causes of shoulder pain and supraspinatus muscle is usually involved. Clinical tests are available and inexpensive tools for assessment of shoulder dysfunctions. The empty can (EC) and full can (FC) tests are considered as shoulder gold standard tests. Recently, hug up (HU) test has been developed to assess the supraspinatus. So far, no ultr...