نتایج جستجو برای: 60 and 40c
تعداد نتایج: 16871088 فیلتر نتایج به سال:
abstract: large quantities of beef and mutton tallow are available in iran every year. if these products are processed and formulated properly and scientifically, the need to import oils and fats in a substantial quantities might be reduced. the aim of this study is to fractionate beef tallow into different fractions and carry out physical and chemical tests on each isolated fraction. beef fat ...
Hypothermia in nature occurs in hibernating animals. It has applications in medicine in open heart surgery,organ and connective tissue preserving, altitude medicine and geriatrics. Despite the vastness of studies on hypothermia many of its biologic and physiologic effects including endocrine system alterations are still poorly recognized. In this study the effect of hyp...
tuberculosis remains as an important socioeconomical and medical problem throughout the world and especially in iran. early and timely diagnosis of pulmonary and extrapulmonary tuberculosis is vital to initiate prompt treatment. current diagnostic methods are either slow or lack enough sensitivity or specificity. several mycobacterial antigens are involved in the complex interaction with the im...
in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...
abstract the present study was conducted to investigate the effectiveness of a rather newly developed method in language teaching that is the use of paragraph reading task and whole reading task and their effects on improving efl learner’s speaking ability. to fulfill the purpose of the study, first 90 participants studying their course at sa eedi high school in tehran were chosen by means of ...
Datura metel stramonium (leaves) extract has traditionally been used to treat swellings, burns, ulcers, asthma and sinus infections. However, report indicate that this plant is a strong poison linked delirium acute poisoning, which may result in death. Aim: Histomorphological potentials biochemical effects of on the kidneys adult male Wistar rats. Fresh leaves were harvested, cleaned, air-dried...
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