نتایج جستجو برای: 18 were randomly selected from north
تعداد نتایج: 7351279 فیلتر نتایج به سال:
Regional variations in officially recorded rates of alcohol related morbidity in Britain were investigated by surveying community drinking habits of a randomly selected sample of adults in the Highlands, Tayside, and part of the South East Thames region. Contrary to expectations, patterns of alcohol consumption did not differ in a manner consistent with the much higher rates of alcohol related ...
this study investigated the functions, types and frequencies of code switching in the teachers and students discourse in elt classrooms. to this end, the participants of this study including two groups of teachers and students were selected. the first group of participants were two efl teachers teaching general english courses (at two different levels of proficiency) in an institutional program...
Breanna C. DeGroot University of North Carolina Wilmington Faculty Mentor: Heather Koopman University of North Carolina Wilmington ABSTRACT The purpose of this experiment was to study the effects of ocean acidification on early spicule formation and development in Lytechinus variegatus (green sea urchins). After induced spawning of adult green sea urchins occurred the larvae were placed in a co...
OBJECTIVE To evaluate the potential savings in cost of care derived from performing vaginal hysterectomies instead of abdominal hysterectomies in selected women with fibroid uteri equivalent in size to a 14-18 week gestation. METHODS Women 35-46 years of age undergoing hysterectomy for fibroid uteri were selected to allow application of conversion rates gained in a separate randomized study u...
OBJECTIVES The purpose of this study was to determine adherence to selected recommended safety standards in North Carolina child care centers. METHODS A self administered questionnaire eliciting information about safety practices in child care was mailed to a randomly selected sample of 409 North Carolina child care centers. RESULTS One hundred and ninety five usable questionnaires were ret...
This study on analysis of crop enterprise combination among small holder farmers was conducted in Delta North Agricultural Zone, Delta State, Nigeria. The study covered fifty farmers randomly selected from two villages randomly selected from five Local Government Areas in the study area. Frequencies, means, percentages and Net Profit Margin analysis was employed in analyzing the data obtained. ...
OBJECTIVE Dietary n-3 (omega-3) and n-6 (omega-6) PUFA have significant implications in health and disease prevention. Marine life is rich in long-chain n-3 PUFA. Children and adults in North America are reluctant fish eaters; canned tuna is a common fish in children's diets. Although a multitude of tuna products are available, their respective PUFA contents have not been well described. The ai...
OBJECTIVES To estimate the prevalence of active trachoma (TF) in children aged one to nine years and potentially blinding trachoma (TT) in adults aged 15 years and older in six known trachoma-endemic districts in Kenya. DESIGN Community based survey. SETTING Six known trachoma endemic districts in Kenya (Samburu, Narok, West Pokot, Kajiado Baringo and Meru North). SUBJECTS A total of 6,98...
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