نتایج جستجو برای: simplified elovich
تعداد نتایج: 50430 فیلتر نتایج به سال:
The adsorption behavior of anionic dye congo red (CR) from aqueous solutions using an anion exchange membrane (EBTAC) has been investigated at room temperature. The effect of several factors including contact time, membrane dosage, ionic strength and temperature were studied. Kinetic models, namely pseudo-first-order and pseudo-second-order, liquid film diffusion and Elovich models as well as B...
Background and Objectives: Linear alkyl benzene sulfonates are widely used as surfactants in formulated detergent products. Because of their use in household and industrial detergents, LAS is discharged into wastewater collection systems and subsequently entered to wastewater treatment plants. Therefore, it is important to determine the concentration of LAS with accuracy. They are usually deter...
The present study was an attempt, to empirically investigate if there was any significant difference between authentic listening materials and their simplified version in terms of the listening comprehension of Iranian EFL learners. To this end, two groups of thirty subjects were chosen. One group received authentic listening materials and the other group received the same topic in simplified v...
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In this contribution, linearized dynamic model of Cumulative Mass Fraction (CMF) of Potassium Nitrate-Water Seeded Continues Mixed Suspension Mixed Product Removal (CMSMPR) crystallizer is approximated by a simplified model in frequency domain. Frequency domain model simplification is performed heuristically using the frequency response of the derived linearized models data. However, the CM...
The present quasi-experimental study mainly investigates the role of literature as input for reading comprehension in Iranian EFL classrooms. To be more exact, it investigates the effects of authentic and simplified literary texts on the reading comprehension of Iranian advanced EFL learners. The participants were 35 male and female Iranian EFL learners who were at advanced level, studying in a...
Kinetical study on non-exchangeable potassium (NEK) release is necessary for management, optimum use of soil resources, availability and supplying power of potassium. Information about NEK release rate in Golestan soils is limited. The aim of this study was to investigate the NEK release of saturated soil sample by calcium using acid citric and CaCl2 extractants from 2 to 1844 h duration in 12 ...
In the present study, remote sensing of soil moisture is carried out using the Passive and Active Land S-band airborne sensor (PALS). The data in this paper were taken from 5 days of overflights near Chickasha, Oklahoma during the 1999 Southern Great Plains (SGP) experiment. Presently, we analyze the collected data to understand the relationships between the observed signals (radiometer brightn...
A smile may convey different communicative intentions depending on subtle characteristics of the facial expression. Moreover, during an interaction, the expression of smile impacts on the observer’s perception of both the social stance of the speaker and of the content of the talk. In this paper, we describe a perceptual study where we explore the effects of virtual characters displaying differ...
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