نتایج جستجو برای: high density
تعداد نتایج: 2341662 فیلتر نتایج به سال:
the present study investigates the effect of different exposure densities on third grade iranian junior high school (ijhs) students’ efl development and retention. it also attempts to explore whether there is any differential performance due to type of post-exposure assessment tasks (recognition vs. written production). performances of five groups of learners receiving equal amount of exposure ...
this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...
background: some coincidental disorders with migraine have been introduced that may have role in its pathogenesis or aggravation. in this study we determined the relative frequency of hyperlipidemia as a coincidental disorder in patients affected by migraine. methods: a total of 102 migraine-affected patients according to international headache society (his) criteria and 103 control subjects ad...
background: in megavoltage radiotherapy rooms, ordinary concrete is usually used due to its low construction costs, although higher density concrete are sometimes used, as well. the use of high-density concrete decreases the required thickness of the concrete barrier hence, its disadvantage is its high cost. in a nuclear reactor, neutron radiation is the most difficult to shield. a method for p...
مقدمه:بیماری پریودنتال یک عفونت مزمن لثه است که در بافت های احاطه کننده دندان ایجاد و باعث از دست رفتن دندان می شود. بعلاوه این بیماری می تواند سبب تغییر در فیزیولوژی سیستمیک شود .فردی با التهاب مزمن، مستعد پیشرفت وسیع تخریب بافت و کاهش ظرفیت ترمیم بافتی می باشد. مطالعات مختلف ارتباط بین پریودنتیت ، هایپرلیپیدمی c-reactive protein, و fasting blood sugarرا نشان داده است. این مطالعه با هدف تأثیر ...
در این تحقیق خواص فیزیکی و مکانیکی چندسازه چوب پلاستیک حاصل از ترکیب های مختلف پلاستیک بازیافتی به همراه آرد چوب مورد بررسی قرار گرفت. نسبت پلاستیک های بازیافتی بر طبق نسبت پلاستیک ها در زباله های جامد شهری تهران انتخاب شد. برای این منظور چندسازه چوب پلاستیک با ماتریس یک نوع پلاستیک بازیافتی(high density polyethylene)، مخلوط دو hdpe/ low density polyethylene)، مخلوط سه (hdpe/ ldpe/ polypropylen...
background: serum lipids abnormalities have been observed in various forms of cancers including acute leukemia. investigators report decreased total cholesterol and hdl, and elevated triglyceride in leukemic patients. limited studies had been performed to discover the correlation between abnormal lipids profile and disease activity in leukemic patients in iran. this study was done to evaluate t...
abstract probiotic products highly affect the health of consumers by reducing the risk of heart attacks and improving of desirable microflora in intestinal tract. in this study the effect of yogurt (500g/d for 3 wk) enriched with either bifidobacterium bifidum or lactobacillus acidophilus on the level of cholesterol, low density lipoprotein (ldl) and high density lipoprotein (hdl) of serum and ...
background: the association between the lipid profiles level and the incidence and severity of coronary heart disease (chd) is very pronounced in epidemiological studies, and an inverse relation between physical fitness and the incidence of coronary heart disease has been observed in many studies. the aim of this study was to investigate the impact of a soccer match on lipid parameters of profe...
introduction: abnormal lipid profile causes maternal mortality and impairs fetal development. this study investigated the effect of ramadan fasting on plasma lipid profile in pregnant women. material and methods: this self-control, cohort study was performed in healthy volunteer fasted pregnant women. serum cholesterol, triglyceride (tg), low density lipoprotein (ldl), high density lipoprotein ...
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