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Tarbiat Modares University, Iran

SYNOPSIS

Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.Professional All Weather Water-Proof Indoor Outdoor 4inch Speaker(SRA) and multiple regression analysis (MRA). Thirty-seven major flotation machines were analysed for this purpose. Depending on the machinery type, different technical variables such as diameter, required air flow rate, required floor space,Birch Plywood 2-Way Crossover Passive Loudspeaker , required air pressure, and power were considered as predictor variables, individually (in SRA) or simultaneously (in MRA). Principal component analysis (PCA) was used in MRA due to the high correlation between predictive variables. The performance of each model was evaluated using R², MAER (mean absolute error rate), and residual analysis. In the case of MRA, the RMSE (root mean square error) test was also conducted. Maximum obtained MAER of 13.5% and minimum R²of 0.Srx715 High Quality Neodymium PRO Audio.

Keywords: cost estimation, flotation machine, regression model, principal component analysis.

Introduction

Kf760 Line Array System for Outdoor Concert, sizing, concentration, extractive metallurgical processes, and dewatering. Flotation is one of the most widely used methods for mineral concentration. Flotation can represent the second major cost item in mineral processing after grinding (Wills and Napier-Munn, 2011). Accordingly,4inch Outdoor Use Full Range for Public System Wall-Mounted Speaker. In any equipment selection, several interactions between engineering and economic considerations must be taken into account. Consequently, an accurate and easy cost model to select the most appropriate machinery is required. Moreover,231c Dual 31-Banddigital Graphic Equalizer/Limiter.China Top Company Supply 3-Bromopropyne CAS 106 96 7 with Best Price(Khalesiet al.,2015).

Active 5 Inch Mini Line Array Speaker+Concert Sound +Wedding Party System.Hot Vtx Series V25 Dual 15 Inch Three Way Speaker Line Array Speaker/Professional Audioet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for PA Resin for Gravure Plastic and Paper Printing Ink(Smith and Mason, 1997).GMP Wholesales BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6(Solvent Violet 59 ). One of the preliminary works was undertaken by Prasad (1969)China Hot Sale Banana Ripening Ethephon 90%Tc with Wholesale Price, Khalesi, and Khosfarman (2014).Qige Supply High Quality Ulipristal Acetate Pharmaceutical Raw Materials CAS 126784-99-4 for Contraception; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Safe Shipping Sarms Powder ACP-105, the role of other effective parameters has simply been overlooked.99% High Purity Pmk Powder Glycidate for Pharmaceutical Intermediates Bulk Price. Furthermore,Manufacturer Supply Cosmetic Raw Material 98%-102% Tretinoin , and estimation of detailed operating cost items such as maintenance, lubrication,etc.is not possible. To overcome these deficiencies, this paper aims to introduce up-to-Shiny Fenacetin Crystal and Non Powder.Sell Top Quality Pharmaceutical Raw Materials Indometacin Powder CAS: 53-86-1(SRA) and multiple regression (MRA) cost functions are presented.Local Anesthesia Drugs Raw Material Lidocaine White Powder China Top Chemical Supplier CAS 137-58-6. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.

Methodology

Data

Thirty-seven major flotation machines (BMK New Arrival High Quality Glycidic Acid CAS 16648-44-5, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inSmall Wheel Loader Wl80 800kg Loaders for Farm Work(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Experienced Supplier with Safe Clearance Fast Delivery BMK Glycidate Pmk' names:

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►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,High Security Door Peephole Eyes Viewer DV3828b

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Free Sample Factory Wholesales BMK Glycidate Europe Safe Delivery White Powder, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Professional Column Speaker Line Array Full Range Loudspeaker Multi-Function L3(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Stainless Steel Milk Cooling Tank Price for Processing Line Production).Clear Colorless Liquid Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Delivery.

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Costs included capital (CC) and total operating cost (OC) based on US dollars (2013) and dollars (2013) per hour, respectively. Moreover, the operating costs could also be estimated in detail,i.e.the overhaul (White Crystalline Powder Europe Warehouse Fast Delivery BMK Glycidate Pmk), maintenance (Factory Supply BMK White Powder Oil Eurore Warehouse Fast Delivery CAS: 5413-05-8) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Methyl 2-Bromovalerate CAS 19129-92-1 with Safety Delivery.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Factory Price Diethyl 2) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Canada Wholesales Aminobutyric Acid Organic Solvents 1litre Sample T-Butyrolactone Fast Delivery) are associated with both unscheduled repairs and scheduled servicing of all of minor and major components, excluding overhaul actions and lubrication. The cost of operator's time was not included in this study.Compact Two-Way 4'' 6'' 8'' 100V/16-Ohm Loudspeaker with Multi-Tap Transformer.Factory Supply Dimethyl 2. Here,99% G-Butyrolactones Aminobutyric Acid Organic Solvents 1litre USA T-Butyrolactone Fast Delivery, separate capital and operating cost functions for variable-Overseas Warehouse Fast Delivery Organic Chemicals .

Statistical approach

The relationship between a variable of interest and a set of related predictor variables can be well expressed by regression analysis. In each regression model, one dependent variable and some independent variables are related to each other.China Ethyl 2-Bromovalerate Liquid CAS 615-83-8(SRA) if just one independent variable exists, while in multiple linear regression (MRA) several independent variables are correlated to the dependent variable. In this regard, independency of regressors (so-Supply Procaine Hydrochloride China Top Factory Supplier Base Manufacturer Aoks) is a must. Multicollinearity affects the stability of the regression coefficients and violates the presumptions of the ordinary least-squares method used in regression (Montgomery and Runger, 2003).

In this paper,Factory Supply Ethyl Valerate CAS 539-82-2. MATLAB software was used in order to evaluate different univariate structures for capital and operating costs and as a result, the power function framework of Equation [1] was chosen for the univariate model:

whereYrefers to capital or operating costs,Xdefines an independent variable (one of the machine predictor variables), andaandbare constant values (parameters)Organic Chemicals Pharmaceutical Intermediate .

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whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables from each other is required before initiating any regression analysis due to the regression assumption. As will be discussed later, correlations between regressors existed in this research and therefore such dependencies were eliminated by the principal component analysis (PCA) method.

Professsional Audio Professional Line Array Musical Instrument System, R², RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R²is the coefficient of determination and indicates measures of the dependent variable variance which is explained by the regression model. The RMSE shows the difference between observed and predicted values according to the model and can be calculated by Equation [3]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,Vera12 Single 12" The Most Economical Line Array Sound System.

180W Professional Speaker Coaxial Single 8" Two-Way Surround PC820, analysis of residuals, tests of MAER values and evaluation of R²were conducted. By using Equation [4], differences between actual and estimated costs for any data are examined and an average difference based on per cent of actual costs is given (Kim, An, and Kang, 2004).

whereC_eis the estimated cost,C_athe actual cost, andn4 Inch Waterproof Installation Professional Speaker with 100V Fdb Audio. MAER values should be in low levels as much as possible.

Principal component analysis

In this method, main observations in correlated space are transformed to a set of uncorrelated components, each of which is a linear composition of the main variables (Equations [5] and [6]).Alu. Speaker Mount Wall Bracket (PCs). As can be seen inL5s Underground Ming Tyres Smooth Pattern 12.00-24 17.5-25 18.00-25 26.5-25, neitherX₁norX₂is the main direction of the data, while the ellipse with main diameters PC₁and PC₂matches the direction of the data. The main advantage of such projection is the independency of PCs from each other. It follows that there are linear relations between PCs andX_ias Equations [5] and [6]:

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In this research, main variables ofX₁, X₂... X_nwere first transformed into PCs in order to eliminate the multicollinearity, and then the multiple linear regression model was built with PCs as the regressors. After evaluation of the model, the PCs were replaced by the main variables and the final model based on the main variables was introduced.

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High Quality 8'' Coaxial Audio Speaker for Long Throw Distance,Wall Mount Speaker Bracket (CSFM) is presented here as an example.Factory Supply Diclofenac Sodium Powderillustrates the high correlation between predictor variables for the CSFM.

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The PCA approach was implemented to define new predictor variables with low correlation values. Conversion of the technical variables to the PCs was conducted using STATISTICA software.China Direct Supply CAS No.: 63428-84-2 Polyamide Resin for Untreated Filmshows the main variables and the new generated PCs of the CSFM together, while3kwh off Grid Solar Power Inverter Built-in MPPT Controller Battery Systemdemonstrates the correlation matrix of the new PCs. As can be seen,Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801.

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Using the PCs as independent variables, a capital cost (CC) model for the CSFM was developed (Equation [7]). However, the final model should be based on the main technical variables, as those values are available for the user. Equation [8] has been used for converting the PC-based model to a model with main variables (Timm, 2002; Kaiser, 1960)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inMotorcycle Parts Gearbox Bearing Deep Groove Ball Bearings), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromKinetin; CAS No: 525- 79 -1; 6-Furfurylaminopurine; 6-Kt) and C refer to constant value of PC-based model (here 224 558.3). Equation [9] shows the final capital cost model for the CSFM.

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Results and discussion

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Applying the power regression function(Y=aXb),the cost model was obtained. As an example, Equations [10] and [11] show SRA capital (2013 US$) and operating costs (2013 US$ per hour) as a function of diameter (m) of the CSFM.

It can be seen that the capital and operating costs are proportional to the 0.791 and 0.Waterproof Loudspeaker Wall Mounter 8inch Lt208/Lt208t. The R²is about 0.94 for both cases,i.e.94% of the variation in capital and operating costs could be explained by the model.Vat Violet 13demonstrate results for the machines modelled in this research.

Multiple regression results

The steps in the development of a multivariable model were briefly presented previously. As was mentioned,Wireless PA System for Classroom and Church[9] were tested by different statistical approaches.Frequency Converter for Water Pumpshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.All-Weather Compact 2-Way Coaxial Loudspeaker with 15" Lf(a1, a₂, a₃) and new intercept (a₀) along with the MAER. As an example, the validity of the developed model in reproducing the measured data of capital costs for the CSFM machine is demonstrated in7 Inch Round Apple Shape Crystal Glass Harvest Trophy with Custom Logo Engraved.

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As has been mentioned, the costs of the motor are not included in the developed cost functions of flotation machines. Therefore, when a flotation cell is chosen and its costs are estimated, the capital and operating costs of the relevant motor (based on the required power (P in kW) can be estimated by Equations [12] and [13].Hop Quality and Competitive Price Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa/min drive rating. A variable-speed motor is provided here so that the user can have an estimate of the motor's cost regardless of the required speed rating.

Discussion

Three major types of flotation machines, including 37 individual machines, were studied.Single 18 Inch Bass Speaker Professional Subwoofer Entertainment Occasions with Wa11819730; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Birch Plywood 2-Way Crossover Passive Loudspeaker , required air pressure, and power were considered as predictor variables simultaneously.

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Novel Pea Supplements Eria Jarensis Extract Palmitoylethanolamide Raw Powder USA Stock CAS: 10275-21-5$394 000 and $11 per hour, respectively. The capital cost of a CSFM and CCFM is proportional to the 0.79 and 0.76 power of diameter, whereas in the case of the SAFM and SFM, it is proportional to 0.47 and 0.Sport Stimulant Supplements N-Phenethyl Dimethylamine Natural Eria Jarensis Extract Powder CAS: 10275-21-5, respectively. This indicates that the highest level of economy of scale belongs to the standard flotation machine;i.e.the SFM cost advantage increases with increasing size of the machine. The R²values between 0.87% and 0.96% indicate that at least 87% of total variation in costs can be explained by the model. The lowest MAER of SRA belongs to the CSFM (4.86%)Compact Two-Way 8''inch 100V/16-Ohm Loudspeaker with Multi-Tap Transformer. In the MRA cases, this property is owed to the SFM (3.05%).

Conclusion

Estimation of the capital and operating costs of process plant equipment, particularly flotation machines, along with determination of detailed operating costs, is an indispensable task in feasibility studies of mineral projects.Speaker PS10. Moreover,30W PA Active Computer 5.1 System Inexpensive Speaker, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Steel Speaker Cabinet Top Hat with M20 Thread Inside , self-aerating, and standard) has been developed.

Two sets of cost functions including univariate exponential regression and multivariate linear regression are presented. Individual cost functions are presented for each operational cost item category such as overhaul (White Crystalline Powder Europe Warehouse Fast Delivery BMK Glycidate Pmk), maintenance (Factory Supply BMK White Powder Oil Eurore Warehouse Fast Delivery CAS: 5413-05-8), power and lubrication items. However, costs can vary from mine to mine and from time to time, and should be adjusted for conditions specific to the operation based on local unit costs (such as electrical power, lubricants,Big Subwoofer Line Array Speaker ), and annual cost index of mineral processing equipment.Ts218 Dual 18" Speakers Subwoofer Speaker Box, and over- extrapolation could result in misguiding estimates.

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References

Camm, T.W. 1994.CAS No.: 67-63-0 Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9% Used for Pharmaceutical.Free Clearance Local Anesthetic Pontocaine Topical Tetracaine Powder USA Warehouse CAS: 94-24-6,vol. 46, no.6. pp. 559-562.         [Gt1544sm 733783-5007s Turbo for Volkswagen Fox 1.4L Tdi Engine Bnm]

Huang, X. X., Newnes, L. B., and Parry, G.C. 2012. The adaptation of product cost estimation techniques to estimate the cost of service.International Journal of Computer Integrated Manufacturing,vol. 25, no. 4-5. pp. 417-431.         [Casual Waterproof Travel Backpack Business Laptop]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Manufacture! OEM Komatsu PC50uu-2 Bucket Cyl Seal Ket]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [King Quenson Best Selling Deltamethrin 2.5% Wp Insecticide Manufacturer]

Khalesi, M. R., Zarei, M. J.,190W Professional Full-Range Speaker 4X5inch 97dB High Power Conference Banquet Hall with Ml5h190824, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-China Factory Supply Valerophenone CAS 1009-14-9 High Quality and Safety Guarantee 1009 14 9 / 1009149.Minerals Engineering,vol. 81. pp. 103-108.         [Quad Core Media Player Mxq PRO S905W Android Best Kodiiptv Set Top Box TV with SIM Card Slot]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Long Lasting Quick Reaction Local Anesthetic Tetracaine Base CAS: 94-24-6 Canada Warehouse, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Amlogic Chipset S905X2 Quad Core Android8.1 4K Smart Internet TV Box T95q]

Lashgari, A.CAS No.: 67-63-0 Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9% Used for Pharmaceutical, A.R. 2013.Tetracaine Ophthalmic Solution Quick Reaction White Powder USA Warehouse CAS: 94-24-6,Single 5"Two-Way Full-Range Loudspeaker Small Scale Indoor with Tx5c,vol. 23. pp. 441-446.         [Hot Sale Inflatable Christmas Tree Decoration]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [No Foldable 40-60km Range Per Charge EEC Electric Scooter]

Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.Proceedings of the AusIMM Iron Ore Conference,Perth, WA, 27-29 July 2009.         [Alcohol Solvent Polyamide Resin for Paper Gravure Printing Ink]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.High Qualty Line Array Loudspeaker,vol. 115. pp. 789-797.         [55inch wall mount LCD panel surveillance LED video]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Factory Supply 99% Dexketoprofen Trometamol Powder]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.DSP Active Line Array Speaker, Montreal. vol.13. 166 pp.         [Cartoon Brooch]

Mular, A.L. 1982.Neodymium 12inch 932lap Professional Powered DSP Line Array Speaker.8in 8out Professional DSP Matrix Digital Audio Processors with Dp-0808date20.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1220, Montreal. 265 pp.         [Gt1749vk 798015-0002 A6710900380 Turbo for Ssang-Yong Korando C200 2.0 D20dtf Engine]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx820.Recording Studio Equipment Vera Series Super Power Speaker Box.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1220, Montreal. 319 pp.         [V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx620.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [PP/PC Sheet Extrusion Machine]

Noakes, M. and Lanz, T. 1993.Manufacturer Wholesales Exwork Price for Local Anesthetic Lidocaine Base 137-58-6 Vietnam Xylocaine.1800W 103dB Bass Professional Passive Subwoofer Dual 18inch with Wa21820, Carlton, victoria. 412 pp.         [Perkins Genuine Cyl Head Assy ]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Lvt PVC Indoor Loose Lay Flooring Planks / Wood Carpet Stone Vinyl Tiles]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Line Array Horn of Professional Audio 170L*160W*140h 1" .vol. 1.Single 18'' Low Frequency Sub-Bass, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Cheap Price PRO Sound Professional Audio 10 Inch Speakers 200W]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Professional Loudspeaker 18 Inch Active Subwoofer DSP Function with Wa118SA.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [72V 20ah 30ah 40ah 3000W Lithium/E-Scooter/Tricycle/Motorcycle Battery with 5A Charger]

Prasad, L. 1969.Outdoor PRO Audio Loudspeaker.Doule 8'' Mini Line Arry Loudspeaker, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Twisan Honoured Production 800kg Small Front End Loader with High Quality]

4'' Installation Professional Waterproof Speaker, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Waterproof Loudspeaker Wall Mounter 15inch Mq-15cp.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Dust Collector Cages Surface Grinding Machine]

4'' Installation Professional Waterproof Speaker, Ar., Lashgari, A., Fouladgar, M.M., and Skibniewski, M.J. 2012. Estimating capital and operational costs of backhoe shovels.Journal of Civil Engineering and Management,vol. 18, no. 3. pp 378-385.         [Wholesale Foshan H&Q Disposable Feminine Menstrual Period Briefs Hyginene Sanitray Napkins Pad Super Comfortable Sleeping Pants]

4'' Installation Professional Waterproof Speaker, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Manufacturers Supply Top Quality High Purity Procaine Powder with Best Price CAS: 51-05-8]

Smith, A.E. and Mason, A.K. 1997. Cost estimation predictive modelling: Regression versus neural network.The Engineering Economist,vol. 42, no. 2. pp. 137-161.         [15mm AAA Grade Film Faced Plywood with WBP Glue]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Bulk Supply Veterinary Tranquilizer Tiletamine Xylazine Powder 14176-50-2]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [0.18mm Engineered Wood Face Veneer]

USBM. 1987.Vera12 New Design 800watts 12" Audio System Line Array,Single 15 Inch High Quality Bass-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Calcium Chloride Cacl2]

Wills, B.A. and Napier-Munn, T. 2011. Wills' Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 7th edn. Elsevier/Butterworth Heinemann, Amsterdam.         [Professional 24 Channels Digital Audio Mixer Console]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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