نتایج جستجو برای: sarcheshmeh
تعداد نتایج: 124 فیلتر نتایج به سال:
Background and Objective: It has been used medicinal herbs for treatment of different abnormalities in traditional medication. One of these herbal medicine used in Iranian traditional medicine is Satureja that many biological studies conducted for determination of its pharmacological properties. Due to many reports around the effect of above-mentioned herb on gastrointestinal system, this...
Remote sensing image analysis can be carried out at the per-pixel (hard) and sub-pixel (soft) scales. The former refers to the purity of image pixels, while the latter refers to the mixed spectra resulting from all objects composing of the image pixels. The spectral unmixing methods have been developed to decompose mixed spectra. Data-driven unmixing algorithms utilize the reference data called...
Introduction: work-related musculoskeletal complications are one of the causes of disability and risk factors such as manual handling and repetitive work can cause or exacerbate these disorders. Considering the fact that in the industry, people with a wide range of risk factors for these disorders and high mental health are facing, this study was designed to investigate the position of work pos...
The uniaxial compressive strength (UCS) of intact rocks is an important geotechnical parameter required for designing geotechnical and mining engineering projects. Obtaining accurate estimates of the rock mass UCS parameter throughout a 3D geological model of the deposit is vital for determining optimum rock slope stability, designing new exploratory and blast boreholes, mine planning, optimizi...
In copper heap leaching structures, the ore is leached by an acidic solution. After dissolving the ore mineral, the heap is drained off in the acidic solution using a drainage system (consisting of a network of perforated polyethylene pipes and gravelly drainage layers) and is, then, transferred to the leaching plant for copper extraction where the copper is extracted and the remaining solution...
Introduction: The present study aimed to investigate the relationship between safety climate and safety performance with respect to the mediating effect of safety knowledge and safety motivation. Material and method: The study population was a sample of 354 subjects chosen by Cochran formula among all 4252 employee in Sarcheshmeh copper complex in Rafsanjan, 2015. The participants were se...
Dead trees protection, has a key role in structural and biogeochemical processes in forest ecosystems. Some aspects of dead tree dynamics have been carefully studied, but the kind and decay degree of dead trees and forest soil properties have not received enough attention. The aim of this research was to study the effect of a kind and decay degree of dead trees on soil mineral properties in the...
Based on the correlation diagram between the master and slave images (Fig. 5), the pair of appropriate images in terms of the shortest spatial and temporal lines is identified to produce the interferogram. As shown in Fig. 5, the maximum vertical baseline is obtained between -400 and -400. The obtained interferograms indicate the cumulative phase of the study area, which fluctuates between zero...
Texture and color appearance of froth is a discreet qualitative tool for evaluating the performance of flotation process. The structure of a froth developed on the flotation cell has a significant effect on the grade and recovery of copper concentrate. In this work, image analysis and neural networks have been implemented to model and control the performance of such a system. The result reveals...
introduction oolitic iron formations are sedimentary rocks with >5 vol.% oolites and >15 wt.% iron, corresponding to 21.4 wt.% fe2o3 (young, 1989; petranek and van houten, 1997; mucke and farshad, 2005). in iran, new iron oolite-bearing members have been identified in the lashkarak formation (lower-middle ordovician) in the abarsej, dehmola and simehkuh sections, eastern alborz (ghobadi pour et...
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