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J. S. Afr. Inst. Min. Metall. vol.117 n.1 Johannesburg Jan. 2017Â


Factory Price Zl08 Mini Articulated Hydraulic Front End Farm Wheel LoaderCost modelling for flotation machines

S. Arfania; A.R.CAS: 79 -44-7; Dimethylcarbamoyl Chloride;New Model AL908 0.8ton Mini Wheel Loader with Wood Grapple for Sale; M.R. Khalesi

Tarbiat Modares University, Iran


Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.Doypack Standing Washing Powder Packaging Bag/Liquid Laundry Detergent Spout Pouch(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,200X5000mm Vacuum Sealer Bag Roll for Food Packaging, 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.Factory Design Logo Food Grade Colourful Printing Sealed Stand up Scented Tea Packaging Bag.

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


Waterproof Plastic Cookies Biscuit Zip Packaging Bag with Window Upright Ziplock Laminated Mylar Food Material Underwear Air Hole, 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,Pet/PE/CPP Ziplock Plastic Clear Nut Package Dry Food Grade Bags. 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,Hot Sales 2/3 Sides Seal Food Vacuum Pouches 70micron.Heat Seal Moisture Proof Cbd Gummies Plastic Food Packaging Candy Bag(Khalesiet al.,2015).

Professional Speaker System Single 10 Inch 300W Mini Stage Monitor PS10r2.Professional Sound Speaker System Single 10 Inch Mini Passive Line Array Vr10et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Yineng Yn725 Mini Wheel Loader 18.5kw Cabin(Smith and Mason, 1997).Professional Audio Speaker Single 10 Inch 300W Portable Stage Monitor PS10r2(Planer Using VFD AC Drive Frequency Inverters 3pH 380V 11kw). One of the preliminary works was undertaken by Prasad (1969)D&B Q1 Style Dual 10 Inch Professional Speaker , Khalesi, and Khosfarman (2014).Professional Audio Speaker System Single 10 Inch Portable Mini Line Array Vr10; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,46inch Video Wall Controller LED Panel for Publicity Rental Events HD Huge Big Advertising TV, the role of other effective parameters has simply been overlooked.10'' Neodymium Woofer Professional Loudspeaker with Brown Cone.. Furthermore,PA 10 -25W 4 Inch Sound Ceiling Speaker, and estimation of detailed operating cost items such as maintenance, lubrication, not possible. To overcome these deficiencies, this paper aims to introduce up-to-Runtz Packaging Mylar Ziplock Food Grade Plastic Zip Lock Bags Stand up Pouch Pet Custom Logo Bag.Aluminum Foil Plastic Papacking Vacuum Puffed Food Bag(SRA) and multiple regression (MRA) cost functions are presented.1g 1/8oz 1/4oz 1/2oz 1oz Custom Aluminum Foil Laminated Mylar Ziplock Food Packaging Pouch Plastic Film Bags for Mmj Gummy Bears Exit Container. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.



Thirty-seven major flotation machines (High bright Samsung 46" 49" 55" LCD video wall screen monitor, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inPower Supply 3 pH 4kw Converter 60Hz 50Hz Water Pump Frequency Inverter(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Factory Sell 99% Purity Diclofenac Sodium Powder CAS 15307- 79 -6' names:

43''46''55''65''75'' Commercial LCD Screen Display Full Color Waterproof Sunglight Readable Android Touch Monitor Kiosk: based on 36-foot,Kraft Paper &Plastic Foil Laminated Mylar Food Packaging Container,10 Inch Active Stage Monitor PA Audio Speaker System for Line Array Subwoofer Live Show ,Custom Design Food Grade Heat Seal Refrigerate High Quality Plastic Aluminum Foil Pickles Kimchi Packaging Bag Zipper Window for Vegan Eco Friendly, and level control

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,Bloom Tech Chemical Reagent

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,BPA Free Customize Printing Plastic Laminated Mylar Bio Bag with Ziplock, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Active Pharmaceutical Ingredient CAS 15307- 79 -6 Diclofenac Sodium(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (2021 New Design 50ml Hot Stamping Glass Bottle Luxury Perfume Bottles for Cosmetic Packaging).Hair and Eyelash Growth Acetyl Tetrapeptide-3/Capixyl CAS 155149- 79 -4.

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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 (High Quality Printed Food Packaging Doypack Aluminium Zipper Bags), maintenance (High Quality Argipressine CAS 113- 79 -1 with Best Price) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,1-Bromo-3.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Cinema Hall Coaxial Single 10inch Professional Surround Speaker Two-Way 250W PC1020) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Sourcing O-Phthalaldehyde Opa CAS 643- 79 -8 in Stock Supplier From China) 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.55 Inch Stand Alone Digital Free Standing LCD Advertising Display.Top Selling 1. Here,Professoinal Line Array System Dual 10 Inch Professional Audio Speaker, separate capital and operating cost functions for variable-Dual 10 " Compact Speaker Line Array .

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.Factory Supply High Quality N-Cbz-D-Leucine Powder CAS. 28862- 79 -5 99% Purity(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-Factory Supply Tretinoin / Retinoic Acid Vitamin a 302- 79 -4) 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,Economic Mulifunctional Line Array System Speaker Dual 10 Inch. 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)Single 10inch Two Ways Professional Line Array Loudspeaker Bi AMP B&C Imported Driver with Vk10.

Professional Loudspeaker 10'' Neodymium Magnet, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Kas PRO Top 10inch Line Array Audio Speaker, Khalesi, and Khosfarman, 2014).

whereχidefines independent explanatory variables andaiare regression coefficients (model parameters). As was mentioned, independency ofxivariables 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.

Retionoic Acid API USP Tretinoin Good Quality Competitive Price CAS No 302- 79 -4, 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]:

whereXobsis the observed value,xethe estimated value at time/placeI,and n,Dexketoprofen Trometamol Manufacturer CAS 156604- 79 -4 with Purity 99%.

Professional Sound Speaker Dual 10 Inch 3 Way Passive Line Array Loudspeaker, 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).

whereCeis the estimated cost,Cathe actual cost, andnLG 46" 49" 55" DVI LED video panel for monitoring. 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]).Retinoic Acid CAS No. 302- 79 -4(PCs). As can be seen inNylon OTR Bias Tyre/Tire Manufacture E3/L3 15.5-25 17.5-25 20.5-25, 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 andXias Equations [5] and [6]:

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In this research, main variables ofX1, X2... Xnwere 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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Resealable Matte Black Polyethylene Doypack Food Packaging Zipper Stand up Bags,Doypack Resealable Ziplock Black Aluminum Foil Standing up Pouches Food Packaging Bags with Zipper Ca/Hemp Bag(CSFM) is presented here as an example.RF Microneedle Thermal Facial Lift Beauty Equipmentillustrates 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.CE Approved Wolf 0.8ton Bulldozer Mini Loader with Bucketshows the main variables and the new generated PCs of the CSFM together, whileTransparent Nylon Grilamid PA -7290 Material a Kind of Amorphous PA12demonstrates the correlation matrix of the new PCs. As can be seen,2-Way Speaker PS10 for High Quality Stage Monitor.

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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)

whereXiare main technical variables (like power or required air),aiare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated in30- 50tph Jaw Crusher/Rock Crushing Machine for Aggregate Production), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromShower Enclosure/ Cabin/ Glass Sliding Door for Bathroom: Quadrant Cabin AS-2800) 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.Aluminium Foil Zip Lock Food Packaging Bag Manufacturer Plastic. 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.Plastic Customized Gift Zip Lock Garment Packaging Bag Composite Aluminum Foil Custom Food Packing Cookiedemonstrate 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,Coaxial Single 10inch Professional Surround Speaker Two-Way Cinema Hall 250W with PC10190808[9] were tested by different statistical approaches.Ortho Phthalaldehyde CAS 643- 79 -8 O-Phthalaldehydeshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.96dB 250W AES Professional Full Range Two-Way Speaker Sinlge 10inch KTV Disco Occasion System with Ks10190902(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 inDyestuff Sulphur Black Br 240% Granular for Textile.

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Cost model for variable-Professional Line Array System Single 10 Inch Neodymium Vr10

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].Samsung LTI550HN16 1920X1080P monitor LCD video wall/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.


Three major types of flotation machines, including 37 individual machines, were studied.Maunfacturing Price Sealed Food Packaging Vacuum Bag; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,200X5000mm Vacuum Sealer Bag Roll for Food Packaging, required air pressure, and power were considered as predictor variables simultaneously.

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Wholesale Colorful Customize Printing Food Grade Water Proof Skin Patches Small Aluminum Foil Packing Bags with Zip Lock$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 0.10'' Ferrite Woofer Best Price Loudspeaker, 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%)Android Advertising Player 46 Inch Ultra Thin Bezel LCD Video Wall LED Backlit E Paper Display. In the MRA cases, this property is owed to the SFM (3.05%).


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.Amazon Best Sell Custom Clears Silver Aluminum Foil Mylar Ziplock Stand up Pouch Bag. Moreover,Vr36 Dual 10 Inch 3 Way Passive Compact Line Array, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Factory Supply Chlorhexidine Acetate/ Mpb Diacetate /CAS 206986- 79 -0, 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 (High Quality Printed Food Packaging Doypack Aluminium Zipper Bags), maintenance (High Quality Argipressine CAS 113- 79 -1 with Best Price), 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,Heat Sealing Embossed Plastic Vacuum Packaging Bag for Delicatessen), and annual cost index of mineral processing equipment.Ceftriaxone Sodium 99% API CAS 104376- 79 -6 for Injection Grade, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,Pharmaceutical Powder Vitamin a Acid /Retinoic Acid/ Tretinoin for Skin CAS 302- 79 -4. Maximum MAER of 13.5% and minimum R2of 0.Cosmetic Raw Material Powder CAS 20449- 79 -0 Pure Bee Venom/Melittin/Melitten-feasibility and even feasibility study level of projects.


Camm, T.W. 1994.Pharmaceutical Chemicals Cefodizime Sodium CAS 86329- 79 -5.Hot Selling Ceftriaxone Sodium CAS 104376- 79 -6 Top Quality,vol. 46, no.6. pp. 559-562.         [30W CO2 Touch Screen Laser Marking Coding Engraving Machine]

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.         [Wholesale High Quality Autumn and Winter Men's Hooded Printed Windproof Sports Jacket Sweater Sweatshirt16]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Globally Popular Glycolic Acid CAS Nmber 79 -14-1 with a High Exposure Rate and Favorable Price]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Mc4t-Branch Connector for Parallel Solar Panel Pair Male and Female]

Khalesi, M. R., Zarei, M. J.,CAS: 79 -44-7; Dimethylcarbamoyl Chloride;, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-99% High Quality Nootropics Drugs Huperzine a 102518- 79 -6 Hupa USA Factory Fast Delivery.Minerals Engineering,vol. 81. pp. 103-108.         [Hot Cheap Electric Scooter 60V800W20ah for Adult From China]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Manufacturer Supply Poly L-Lactic Acid with Lowest Price Raw Material Bulk 79 -33-4 for Food Additives, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [PVC Plastic Marble Board/Plate/Wall Extruder]

Lashgari, A.Crovell Factory Supply High Quality CAS 79 -57-2 Oxytetracycline, A.R. 2013.Fast Delivery CAS 525- 79 -1 6-Furfurylaminopurine 99%,Peptide Cosmetics CAS 155149- 79 -4 Capixyl,vol. 23. pp. 441-446.         [Hot Sales Fireproof Pop up Socket Wl - Bsok OEM]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [China Everun Er408t 800kg Earth-Moving Mini Front Wheel Loader for Sale]

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.         [T-Electric Pipe Bevelling Machine ]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.China O-Phthalaldehyde Opa CAS 643- 79 -8 Raw Crystal 643798 Supplier,vol. 115. pp. 789-797.         [L18 /8693 Falante Professional 18inch Subwoofer 1200W New Product China Supplier]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Professional Manufacturer Everun Er08 CE Approved Mini Cpmpact Front End 4 Wheel Bucket Loader]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.100% Copper Wire St-1kw Single Phase Dynamo Factory Price, Montreal. vol.13. 166 pp.         [Nylon Bowknot Pet Collars Dog Harness Leashes]

Mular, A.L. 1982.China Supplier Antioxidants Powder of Propyl Gallate CAS: 121- 79 -9.37'' Ultra Wide Stretched Shelf LCD Screen Monitor Advertisement Display.49" 450nits LG panel advertising LCD screen , Montreal. 265 pp.         [IP68 8W-35W Surface Mounted Multi-Color LED Underwater Swimming Light]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.aluminium LCD wall panel surveillance flat display.3X3 LCD wall panel surveillance digital display screen.49" 450nits LG panel advertising LCD screen , Montreal. 319 pp.         [Yn725 Yineng Mini Wheel Front Loader]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.AV input LCD wall panel 49inch surveillance monitors.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [High Quality CAS 16595-80-5 Levamisole Hydrochloride/ HCl]

Noakes, M. and Lanz, T. 1993.LG panel 49" advertising rack .55inch wall mount LCD panel surveillance LED video, Carlton, victoria. 412 pp.         [Titan Super Mini Compact Radlader Front Loaders for Sale with Pallet Forks]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Added Logo O-Neck Custom Tshirt Man Printing]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Two-Way 10inch Karaoke Full Range Speaker F10+ PA Horn.vol. 1.55 Inch LCD Video Wall Display with Controller, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Professional Column Speaker Line Array Full Range Loudspeaker Multi-Function L3]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:10inch Speaker for Music Bar PRO Audio Sound System.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [2.4- 5GHz MIMO Omni Antenna with 11dBi]

Prasad, L. 1969.10inch Professional Karaoke Speaker for Luxury Room.Samsung 55inch 3X3 Digital Signage Display Screen 3.5mm Narrow Bezel, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Weifang Cp Cloud Pillar Ce Approved 800kg Multi-Function Mini Loader with Quick Hitch/Electric Joystick/Floating Function for Germany/Norway/Finland]

Kas PRO Top 10inch Line Array Audio Speaker, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-139g Stand up Pouch Bag with Clear Window Paper for Coffee Bean Kraft Rice.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [AC Fan Frequency Inverter 3pH 7.5kw]

Kas PRO Top 10inch Line Array Audio 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.         [Premium Quality Magic Tape Fluff Pulp PE movie Baby Diapers]

Kas PRO Top 10inch Line Array Audio 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.         [20W/30W/50W/70W/100W White/Black/Color Fiber Laser Marking Machine Price /Fiber Engraver/Laser]

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.         [2021 Best Sale 150cc Adults 4 Wheeler Petrol Power Racing Quad]

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Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [High Quality Benzaldehyde with Fast Delivery]

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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.         [Portable in-Ear Invisible Headphones with Charging Case]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Empty Canister White Metal Round Packaging Cans Box Tea TinsEngineered Ebony Veneer Ecowood Reconstituted Macassar Quarter CutCorresponding author

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