نتایج جستجو برای: 186inverse mill ratio 5724 368fixed coefficient 92502 528r2 057d
تعداد نتایج: 669736 فیلتر نتایج به سال:
the aim of this research work was to investigate on the ball filling estimation of miduk semi-autogenous (sag) mill via an utilized method. miduk copper concentrator is located in kerman province, iran, and its size reduction stage includes one gyratory crusher which feeds one sag mill (9.75 dia.(m)*3.88 length(m)) following two parallel ball mills (5dia.(m)*7lenght(m)). after sag mill, a tromm...
Selected methods for yeast cell disruption were evaluated to establish their suitability for cell wall preparation in the process of β-glucan isolation. The effect of different disruption methods on contents of total saccharides, β-glucans and proteins in the produced cell walls preparations was analyzed. The degree of cell wall purification from intracellular components was established on the ...
Increase in industrialization as well as sophisticated life style is leading to increased indoor air pollution causing major health problems in our developing country, India. Chronic exposure to saw dust affects the worker’s lung functions and stimulates allergic responses. Present study is designed to investigate the effects of saw dust on the lung functions as it puts the workers’ health into...
A statistical optimization of the saccharification process of EFB was studied. The statistical analysis was done by applying faced centered central composite design (FCCCD) under response surface methodology (RSM). In this investigation, EFB dose, enzyme dose and saccharification period was examined, and the maximum 53.45% (w/w) yield of reducing sugar was found with 4% (w/v) of EFB, 10% (v/v) ...
A new, ligand- and solvent-free method for the Huisgen 1,3-dipolar cycloaddition (click reaction) was developed using a planetary ball mill. Besides various alkynes and azides, a propargyl functionalized polymer was converted by mill clicking. Moreover, it was possible to carry out a click polymerization in a ball mill.
Brought to you by Nebraska corn producers through their corn checkoff dollars— expanding demand for Nebraska corn and value-added products. INTRODUCTION Across the United States, ethanol production continues to expand with monthly production records being set.With the continued expansion in production, co-products have emerged as excellent feed sources for livestock. For purposes of this manual...
In the present investigation the distribution of mean velocity, static pressure and total pressure are experimentally studied on a C-shape diffuser of 40° angle of turn with an area ratio of 1.278 and centerline length was chosen as three times of inlet diameter. The experimental results then were numerically validated with the help of Fluent and then a series of parametric investigations are c...
The banks’ response to their changes in leverage ratios is examined and evaluated in this paper. This reaction can be interpreted as if the coefficient of total debts to equity (lev1) and total assets to equity (lev2) are positive as anticipated in the banking network of Iran. The paper uses data from 31 Iranian banks’ annual databases during the course of 2006-13 in order to estimate an empiri...
The present paper proposes a steel industry case study focused on reheating furnace and rolling mill. Hardware software innovations were successfully combined in order to obtain process control energy efficiency improvement. at is pusher type processes billets. hardware innovation related the installation of an insulated tunnel end furnace, guarantee higher heat retention billets before their p...
The wood biomass was liquefied by the pressurized hydrothermal method. The wood biomass powder in the different particle size, which was pulverized by a vibration mill, cutter mill and grinder, was used for the liquefaction. The liquefaction material was biomass slurry, which was prepared by mixing the wood biomass powder and water together (1:9). After filling the biomass slurry in a pressure ...
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