نتایج جستجو برای: month duration or less
تعداد نتایج: 4002860 فیلتر نتایج به سال:
Abstract Biochemical methane potential (BMP) tests are the most reliable method for direct evaluation of yield from a specific feedstock in anaerobic digestion. However, these time-consuming (about 1 month) and quite expensive (need no less than two or three replicates). This study evaluates accuracy “first-order kinetic”, “logistic” “Gompertz” models predicting BMP values, calibrating models’ ...
Background & Aim: Dysmenorrhea is a common problem in young women. Although dysmenorrhea is not life threatening, it can have adverse effects on quality of life. Various treatments are offered for dysmenorrhea including vitamin E supplements. This study investigated the effect of vitamin E on primary dysmenorrhea. Methods & Materials: In this before-after clinical trial, 200 female students wh...
BACKGROUND The duration of cardiopulmonary resuscitation (CPR) is an important factor associated with the outcomes for an out-of-hospital cardiac arrest. However, the appropriate CPR duration remains unclear considering pre- and in-hospital settings. The present study aimed to evaluate the relationship between the CPR duration (including both the pre- and in-hospital duration) and neurologicall...
OBJECTIVES We aimed to establish associations of duration of breast-feeding with mean BMI and waist circumference, as well as the likelihood of being overweight/obese, during early childhood. DESIGN Cross-sectional, population-based study. Height, weight and waist circumference were measured and BMI calculated. Interviewer-administered questionnaire determined whether the child was ever breas...
126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...
Introduction: Different type of drugs are used in the pharmacologic prophylaxis of migraine. Each of them has their own efficacy and side effects. In addition to pharmacological drugs, some studies have also suggested the use of the alternate and herbal remedy in migrane.Peppermint have a long history of use in some disorders, including headache. In this study we evaluate the effectiveness of ...
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