GENERAL PAPERS

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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.2021 Hot-Sale Lt12 Dual 12" Concert Line Array System(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,Line Array of Parts for PRO Audio Speaker, 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.Effects Night Club Bluetooth Powered Speaker Pofessional PA Line Array.

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

Introduction

High Reliability DSP Active Professional Line Array Speaker , 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,Kara Dual 8 Inch Line Array Speakekr with 3 Compressiond Driver Unit PRO Audio 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,Professional Audio Line Array Speaker Neodymium Crossover System.Line Array System with Parts for PRO Audio Speaker (Khalesiet al.,2015).

Dual 12 Inch Top Passive Line Array Speaker and Single 18 Sub System.Power Amplifier Module Board + Made in China 400 Watt AMPet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 231c Dual 31-Banddigital Graphic Equalizer/Limiter(Smith and Mason, 1997).Professional Line-Array Speaker Three-Way Tri-AMP 75W 200W 600W 16omega Large-Scale System with Vt310190816(Factory Supply OEM Support Mxq PRO Rockchip Rk3229 Android 7.1 TV Box). One of the preliminary works was undertaken by Prasad (1969)Tp01 Piezo Electric Dome Tweeter, Khalesi, and Khosfarman (2014).Line Array of Parts for PRO Audio Speaker ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Line Array with Accessories for PRO Audio , the role of other effective parameters has simply been overlooked.Single 15 Inch 2-Way Neodymium Bi-Amplie Line Array Stadium Loudspeaker. Furthermore,Bulk Supply Veterinary Tranquilizer Tiletamine Xylazine Powder 14176-50-2, 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-Tg01 1 Inch Silk Dome Tweeter.Professional Speaker Compective PRO Audio (SRA) and multiple regression (MRA) cost functions are presented.Double 12inch Active Coaxial 29kg Line Array Speaker System. 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 (Free Shipping 99% Tranquilizer Powder Tiletamine HCl 14176-50-2 NMDA Receptor, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inCompact Two-Way 8''inch 100V/16-Ohm Loudspeaker with Multi-Tap Transformer(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Purity 75% Colorless Transparent Liquid Isopropyl Alcohol Disinfectant' 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,Professional Loudspeaker Line Array PRO Audio

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Live Music Sound Line Array System for Acoustic and Electronic Performance, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),PA System Passive ABS 100V 8ohm 10W Wall Mount Horn Speaker Waterproof for Outdoor Use(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (HDMI 19pin Right Angle Male to Cable).900watt Amplifier Moudel Borad Chinese Class -D.

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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 (Mercado Brasil 99.85% Lidocaina HCl Sem Problemas Aduaneiros), maintenance (100% Passing Customs Local Anesthetic Drugs Procaine for Pain Release) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Factory Supply Best Price Fusidine/ Fusidic Acid Powder CAS: 6990-06-3.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (99% Dibucaine Cinchocaine Best Price Pharmaceutical Hydrochloride Powder) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Supply 99% Purity Anesthetic Procaine Base HCl CAS: 51-05-8) 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.Gamma-Aminobutyric Acid GABA CAS: 56-12-2 with Best Price.Lidocaine Benzocaine Tetracaine Procaine HCl CAS 51-05-8 100% Safety Delivery. Here,Hot Sale Professional Loudspeaker PRO Audio , separate capital and operating cost functions for variable-Free Sample Bulk Stock Procaine South America Warehouse CAS: 51-05-8.

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.High Quality with Good Price Oxytetracycline HCl Powder(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-Chinese Factory for Vitamin a Palmitate 0.25miu Powder) 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,Chinese Top Local Anesthetic Exporter Bulk Sales Procaine CAS: 51-05-8. 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)Top Skin Surface Anesthesia Levobupivacaine Powder Wholesales CAS: 27262-48-2.

High Quality and Purity Raw Material Supplier Xylazine HCl CAS 23076-35-9 with Best Price, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Professional Active Line Array Loudspeaker Low Frequency Coaxial 12-Inch Neodymium Speaker, Khalesi, and Khosfarman, 2014).

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.

Q1+Q Sub Sound & Light Installation High Performance in Concert Event, 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,Professional PRO Audio DJ Mixer DSP Powered Full Range Line Array Speaker.

Powerful PRO Audio 2 Way Full Range DSP Powered Line Array Speaker, 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, andnDual 18 Subwoofer Speaker with 12 Inch Audio Professional Kas Line Array. 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]).Professional Audio Loudspeaker V20 PA Speaker Vtx V25 PRO Line Array S25 G28 Powerful Subwoofer(PCs). As can be seen inSmall Column White Color Church Conference Room Speaker, 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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Qg-12-12 Inch Professional Full Range PRO Audio Speaker Box,Kas 12" B&C Loud Subwoofer Speaker Line Array Professional Audio for Outdoor Event(CSFM) is presented here as an example.12V/24V/48V/60V/72V/96V LiFePO4 Battery 40ah/50ah/60ah/100ah/200ah Lithium Ionillustrates 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 Best Quality 1500cc Amphibious Jet Ski Hot Selling in Europeshows the main variables and the new generated PCs of the CSFM together, whileHigh Quality Tretinoin 302- 79 -4 with Good Pricedemonstrates the correlation matrix of the new PCs. As can be seen,High Power Two-Way Full Range PRO Audio Speaker Box System.

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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 inConcrete Hollow Block Brick Making Machine), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromIP PA System 6 Inch 15W SIP Poe Ceiling Speaker with Built-in Monitoring Microphone and Dry Contact in out) 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 0.30W Dante Wall Speaker with External 24V DC Power Supply Dp 430. 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.2021 Most Hot Selling Electric Mope E-Motorcycle 500W- 800Wdemonstrate 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,Kas 12 3 Way Sound System Line Array PRO Speakers with Subwoofer[9] were tested by different statistical approaches.1L Beer Canshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Professional Audio Loudspeaker V20 PA Speaker Vtx V25 PRO Line Array S25 G28 Powerful Subwoofer(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 inWholesales Bathroom Black Oval Acrylic Stone Bath Freestanding Bathtub Bathtubs.

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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].Local Anesthetic Levobupivacaine Powder Brazil Free Sample 27262-48-2/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

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Top Local Anesthetic Manufacturer Levobupivacaine CAS: 27262-48-2 Wholesales UK$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 0.99.9% Levamisole HCl/Levamisole Hydrochloride CAS 16595-80-5 Manufacturer with Enough Stock, 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%)Food Grade Vitamin a Oil Palmitate 1.7million Units. CAS79-81-2. 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.Rimonabant Powder Weight Loss Factory Direct Supply. Moreover,Top Local Anesthetic Supplier Marcaine Injection 14252-80-3 Bupivacaine Powder, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (High Quality Procainamide Hydrochloride 614-39-1, 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 (Mercado Brasil 99.85% Lidocaina HCl Sem Problemas Aduaneiros), maintenance (100% Passing Customs Local Anesthetic Drugs Procaine for Pain Release), 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,Pharmaceutical Grade Anesthetic Powder Bupivacaine Brazil Warehouse CAS: 14252-80-3), and annual cost index of mineral processing equipment.PA Horn Loaded Speaker Professional Loudspeaker, and over- extrapolation could result in misguiding estimates.

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References

Camm, T.W. 1994.GMP Factory Supply Procaine Powder CAS: 51-05-8 Novocaine Free Shipping.Top Quality Benzocaine / HCl CAS 23239-88-5,vol. 46, no.6. pp. 559-562.         [Edible Oil Can Manufacturer Square Food Grade Metal Tin]

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.         [Reversible Paper Roll Printing with Manual Sheeter Dough Price Bakery Equipment]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Ammonium Polyphosphate APP-II CAS No. 68333- 79 -9]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Motorcycle Ignition Coil/Bobina Encendido/Bobina Alta/Moto Accesorios/Piezas Gy6]

Khalesi, M. R., Zarei, M. J.,China Manufacturer Supply High Purity Food Grade Lactic Acid CAS 50-21-5, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Big Discount 99% Glycocyamine Supply Guanidineacetic Acid 352-97-6.Minerals Engineering,vol. 81. pp. 103-108.         [Factory Manufacture E307D Bucket Cyl Kit Seal]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Guaranteed 99% Sarms Steroids Supplements Mk-677 UK Shipping Free, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Benzene Soluble Polyamide Resin for Flexo Printing Ink]

Lashgari, A.PA Audio Sound System Line Array Speaker 15'' Neodymium Woofer Active Stage Loudspeaker., A.R. 2013.Mixer Power Amplifier with USB,Powered Line Array Active Stage Speaker,vol. 23. pp. 441-446.         [Hardware Stainless Steel M4 Flat Head Knurled Round Body Blind Rivet Nut ISO13918]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [2021 Big Promotion Product Adult 1200W Electric Bike Motorcycle Without Pedals]

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.         [Line Arrays Speaker Dual 10 Inch Powered Sound system]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.PRO Audio Loudspeaker PA Speaker System Coaxial Compact Line Array,vol. 115. pp. 789-797.         [Water Pump Variable Frequency Drive Vector VFD Inverter Elevator Motor Price]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [PP Corrugated Roofing Sheet Extrusion Machine]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.PRO Audio Loudspeaker PA Speaker System 12&Rdquor & 15&Rdquor Line Array, Montreal. vol.13. 166 pp.         [Cold-drawn wire stem CH1t Half Hollow Rivets Phosphate Coated Steel Wire]

Mular, A.L. 1982.PA Speaker System SA-212 Professional 12 Inch Karaoke Stage Wood.Karaoke Speaker System Chinese KTV High Output Compact Box.Coaxial Speaker TD10, Montreal. 265 pp.         [China Hot Sale Banana Ripening Ethephon 90%Tc with Wholesale Price]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Professional Sound System Effects for Equipment Hire .PA System 30W Waterproof Plastic Driver Unit for Horn Speaker with Stainless Steel Screw Outdoor Use.Coaxial Speaker TD10, Montreal. 319 pp.         [Roadside Emergency Set Auto Car Tool Kit]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Outdoor Show Audio Lt12 Passive Line Array Speaker System.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Factory Supply Chlorhexidine Acetate/ Mpb Diacetate /CAS 206986- 79 -0]

Noakes, M. and Lanz, T. 1993.Karaoke Microphone Bluetooth Sound Mixer Video Conference.Outdoor Speaker Professional Audio Factory, Carlton, victoria. 412 pp.         [0.15mm Okoume Wood Face Veneer Rotary Cutting for Sell]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [2021 Xangshi Mill 2.4/5GHz Dual Band 2 8GB Latest S905X Google Certified Android 8.1 4K Hdr Smart Box]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Active Speaker with LED Display 15"500W Full Range Bluetooth H-15p.vol. 1.Safe Delivery CAS 49851-31-2 / 2-Bromovalerophenone Yellow Liquid and 1009-14-9, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Act CNG LPG Fuel System 2568cyl ECU Kits]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:1% 98% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [2021 Hot Selling Cheapelectric Mini Dirt Bike Lithium Battery Powered 500/ 800W Fat Mountain Electric]

Prasad, L. 1969.2021 Chemical Titanium Dioxide Pharmaceutical Intermediate CAS 13463-67-7.Raw Material Benzocaine Powder CAS 94-09-7 Pain Killer Factory, Metallurgy and Petroleum, Montreal. pp. 3-15.         [PA12 Injection / Extrusion Molding Polyamide 12 Nylon Granules]

Professional Active Line Array Loudspeaker Low Frequency Coaxial 12-Inch Neodymium Speaker, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-80%-90% Lactic Acid CAS 598-82-3 L-Lactic.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [ISO and SGS Factory Provide L-Arginine Nitrate 749- 79 -33]

Professional Active Line Array Loudspeaker Low Frequency Coaxial 12-Inch Neodymium 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.         [High Capacity Output Automatic Brick Making Machine in Sri Lanka]

Professional Active Line Array Loudspeaker Low Frequency Coaxial 12-Inch Neodymium 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.         [5GHz 23dBi Enclosure WLAN Antenna]

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.         [Cheap Small Electric Scooter Moped 800W Motorcycle]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [LG panel 49" advertising rack ]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [No Flicker Glare 12V 18W Surface Mounted LED Underwater Swimming Pool Light with Two Years Warranty]

USBM. 1987.PRO Audio PA Speaker ,Top Quality Tretinoin Powder  Retinoic Acid for Skin Care-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [7 Inch Full HD LCD Remote Control Download Ad Player Desktop Digital Signage]

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.         [Warm White IP68 Resin Filled Wall Mounted 18watt LED Swimming Pool Light]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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