نتایج جستجو برای: major components
تعداد نتایج: 972835 فیلتر نتایج به سال:
The paper aims to emphasize the advantages of several advanced statistical and data mining techniques when applied dense literature on corruption measurements determinants. For this purpose, we used all seven waves World Values Survey employed Naive Bayes technique in SQL Server Analysis Services 2016, LASSO package together with logit melogit regressions raw coefficients Stata 16. We further c...
The purpose is to determine the impact of operating conditions on reliability vehicles, identify main causes failure truck units and assemblies find ways improve their reliability. methods are a systematic approach analysis complex technological systems, fault tree most common trucks in climatic Central Asia. It has been revealed that one frequent fatigue failure, finite element modelling which...
Precise estimation of groundwater level (GWL) might be great importance for attaining sustainable development goals and integrated water resources management. Compared with alternative numerical models, soft computing methods are promising tools GWL prediction, which need more hydrogeological aquifer characteristics. The central aim this research is to explore the performance such well-accepted...
Abstract Introduction: Thalassemia is the most common hereditary anemia in Iran. The aim of this study was to evaluate the humoral immune system and assess the effect of splenectomy on the serum level of immunoglobulins IgG, IgM, and IgA and complement components in patients with major thalassemia. Materials and Methods: This interventional semi-experimental study (before-after) was performed...
the volatile oil obtained by hydrodistillation of the aerial parts of matricaria chamomilla l. (asteraceae) growing in botanical garden, isfahan university of medical sciences, iran, was investigated by gas chromatography (gc) and gc/ mass spectrometery (ms). sixty-three components were characterized, representing 86.21% of the total oil components detected. α-bisabolol oxide a (25.01%) and a-b...
measurements of pb, cu, zn, as, ni, hg, and fe heavy metals and major elements and components such as ca, hco3, so4, na, k, mg and cl in soluble rain fractions were performed on rainwater collected at arak plain during the rainy seasons of 2012. concentrations of the heavy metals in the soluble fractions decreased for fe, pb, zn, ni, cu, as and hg, respectively and the major elements and compon...
abstract: due to the importance of essential oils and their use in various industries, the essential oils of four types of citrus consisting of orange (c. sinesis), tangerine (c. reticulate), sweet lemon (c. limetta) and sour lemon (c. limon) were extracted and subjected to chemical analysis to identify and evaluate the chemical constituents of the oils. the average essential oils of orange, ta...
The essential oil obtained by hydrodistillation of the aerial parts of Rosa damascenea Mill. was analyzed by GC/MS. The yield of the oil was 0.16% (V/W). Among twenty five components, eight components, representing 99.98% of the oil, were characterized. Nonadecane (39.73%), heneicosane (32.38%), docosane (7.34%), citronellol (6.14%) and 9-nonadecene (5.69%), were found to be major...
Measurements of Pb, Cu, Zn, As, Ni, Hg, and Fe heavy metals and major elements and components such as Ca, HCO3, SO4, Na, K, Mg and Cl in soluble rain fractions were performed on rainwater collected at Arak plain during the rainy seasons of 2012. Concentrations of the heavy metals in the soluble fractions decreased for Fe, Pb, Zn, Ni, Cu, As and Hg, respectively and the major elements and compon...
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