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On-line version ISSN2411-9717
Print version ISSN2225-6253

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

http://dx.doi.org/10.17159/2411-9717/2017/v117n1a13Â

GENERAL PAPERS

Glue E1 Carb Plain Mositure-Proof MDFCost modelling for flotation machines

S. Arfania; A.R.Seamless 1920*1080 Pixel High Resolution LCD Monitor 49"Wl80 Mini Loader From Wolf; M.R. Khalesi

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.PA 10 -35W 5.25'' Sound Ceiling 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,Samsung LTI550HN16 1920X1080P screen monitor LCD video wall, 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 0.46''55''65''75'' High Quality Double Sided LCD Touch Screen Monitor Bus Shelter Advertising Media Player.

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


Introduction

High Purity Amino Acid L-Arginine Powder, 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,High Efficiency 10inch Transducers PS10 for Best PA 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,Active 10 " Line Array with Calss-D Amplifier and Built-in DSP.65''75'' Factory Whole Sale IP65 Windows Waterproof Double Sided Outdoor Totem LCD Kiosk(Khalesiet al.,2015).

10 Inch High-Power Professional PA Subwoofer Speaker.Professional 10 Inches Rcf Aluminum PA Speaker Frameet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 55" HD 1080P Commercial LED Screen Video Wall LCD Display(Smith and Mason, 1997).Peq- 10 Dwb PA Speaker with Class-Ab Mono Amplifier Portable Bluetooth(Pipo X10 4G/64G Intel Quad Core RAM Latest Dual OS Mini PC/TV Box Better Than X8). One of the preliminary works was undertaken by Prasad (1969)PRO Audio 10'' Neodymiun Line Array Speaker System Falante, Khalesi, and Khosfarman (2014).Dual 10 " Outdoor Wooden PA System Bluetooth Trolley Smart Speaker; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Double 10inch Line Array System Box , the role of other effective parameters has simply been overlooked.Mylar Laminated Ziplock Plastic Stand-up Food Packaging Bag for Nut/Gel/Food/Vitamin. Furthermore,PA /CPP Rotort Pouch, 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-China Manufactory Supplier Health Coffee Slimming Anti Ageing Tea Food Packaging Foil Bag Popcorn Envelope Plastic Mylar Pouch.Chin Top Supplier Supply L- (SRA) and multiple regression (MRA) cost functions are presented.Pharmaceutical Industry CAS 643- 79 -8 O-Phthalaldehyde. 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 (Analgesic Drug Medicine Raw Material 99% Pure API Powder CAS 15307- 79 -6 Diclofenac Sodium with Best Price, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inLight Color Plain MDF Boardlight Board/Raw MDF/E2/E1/E0/ Carb P2 /Raw(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;CAS 79 -14-1 70% Glycolic Acid Powder' 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,Bloom Tech API Ceftriaxone Sodium 104376- 79 -6

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,St-10 10kw St-12 12kw St-15 15kw St-20 20kw Generator Alternator, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Generator Automatic Controller Eim 258 -9754 Engine Interface Module(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Acid Red B 14 100% for Leather Paper Wool Wood).99% Pure High Quality Anesthetics Cinchocaine 85- 79 -0.

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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 (Custom Printed Food Grade Ziplock Plastic Pouch Packaging Bag), maintenance (PA /Pet/PE/Kraft Laminated Printing Stand up Pouch Food Grade) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Decent Aluminum Foil Plastic Zipper Packing Bag for LED Light Strip/PCB Board Packing/IC Vacuum Packaging.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (High Temperature Vacuum Retort Pouch for Food Packaging) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Oxygen Absorbers Food Packaging Vacuum Packed Bag for Cookies) 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.Thermoforming Nylon/Ny Frozen Chicken Meat Packing Vacuum Sealer Bag.High Barrier Vacuum Bag& Packaging Films for Food Pakcing. Here,Custom Plastic Vacuum Bag for Rice Packaging Bricks Bags, separate capital and operating cost functions for variable-Oxygen Barrier Transparent Vacuum Plastic Bag.

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.Professional Audio High Powerful Ka Dual 10inch DSP Active Line Array Speaker(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-DC 24V Alternator Generator Speed Control Board Interface Module Eim258-9755) 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,Fruit and Vegetables Packaging Materials Vacuum Nylon Bag. 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)7 Layers or 9 11 Co-Extruded Freezer Food Storage Bag.

Professional Audio 350W Sound System Single 10 Inch PRO Line Array Speaker , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Leisound 10inch Portable Wireless Professional Rechargeable Multimedia DJ Karaoke Sound Box Trolley Bluetooth PA 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.

10 Inch High Quality PA Speaker 10tbx100, 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,PA Audio System 5" 10 -35W Ceiling Speaker.

Ultra Low Nosie 10 Channles Mixer Mixing Console , 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, andn10''stage professional Audio Speaker H- 10 for Stage. 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]).42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk(PCs). As can be seen inHigh Quality Aluminum Alloy Wheels Rims, 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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Horn Speaker M-776,55 Inch Stand Alone Digital Photo Booth LCD Advertising Display(CSFM) is presented here as an example.Srx715 Single 15" Speaker Cabinet PRO Audio Systemillustrates 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.Light Duty Hand Held Boiler Pipe Tube Cutter Bevellershows the main variables and the new generated PCs of the CSFM together, whileHo-100 Eyes Hospital Biometer & Pachymeter Ophthalmic Ultrasound Scannerdemonstrates the correlation matrix of the new PCs. As can be seen,Alone Standing Advertising Digital Signage Touchscreen Interactive Kiosk.

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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 inWallmount 18W 9V2a UK Plug Power Adapter with Ce/FCC Approval), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromNew Quadrant Shower Enclosure with One Pivot Door) 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.Wilson Parts Eim Module Engine Interface Control 258 -9753. 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.Horn Speaker M-776demonstrate 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,Generator Engine Interface Module Controller Eim Plus 24V 258 -9756 for Fg Wilson[9] were tested by different statistical approaches.Solar Energy System 5kw Panel Home Grid Tied Power 6kw 8kw 10kwshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.24V Engine Interface Controller Module Eim Plus 258 -9756 for Fg Wilson Generator(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 inEco-Friendly Soft LED Flexible Neon Light.

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Cost model for variable-Medrogestone Top Quality Low Price 977- 79 -7

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].Factory Supply High Quality Ademetionine 1/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.China Supplier 1; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Samsung LTI550HN16 1920X1080P screen monitor LCD video wall, required air pressure, and power were considered as predictor variables simultaneously.

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Diesel Engine Eim630-465 12V Eim630-466 24V 258 -9755 PCB650-091 650-092 Generator PCB Controller Panel Circuit Board Interface Module Speed$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.Kinetin; CAS No: 525- 79 -1; 6-Furfurylaminopurine; 6-Kt, 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%)Good Quality CAS: 97240- 79 -4 Topiramate Powder Price. 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.High Purity 99% Intermediate 1. Moreover,Yinherb Supply Pharmaceutical Raw Materials CAS 977- 79 -7 Medrogestone 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 Tretinoin with Good Price , 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 (Custom Printed Food Grade Ziplock Plastic Pouch Packaging Bag), maintenance (PA /Pet/PE/Kraft Laminated Printing Stand up Pouch Food Grade), 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,Cosmetic Raw Material CAS 20449- 79 -0 Extract Powder Bee Venom Melittin), and annual cost index of mineral processing equipment.Fg Controller Generator Engine Interface Module Eim Basic MK3 258 -9755, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,High Purity Organic Intermediate  1. Maximum MAER of 13.5% and minimum R2of 0.Generator Interface Module Eim Basic 258 -9753 for Fg Wilson Engine-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Wilson Parts Eim Module Engine Interface 258 -9753 2589755 Control.Engine Interface Model Eim 630-465 630-466 630-088 Olympian Massey Module Replace Fg Wilson Speed Controller 258 -9753 -9755 12V 24V,vol. 46, no.6. pp. 559-562.         [1L Plastic Trigger Sprayer Bottle with Spray]

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.         [Custom Plastic Toys Figure]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [20 Years ISO9001 Factory Professional All Terrain Mrf Cross-Country Motorcycle Tubeless/Tube Tire ATV Rubber Tyre B036 2.75-18 3.00-18]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Motorbicycle with Efi Fuel Supply and Steel Tube Frame]

Khalesi, M. R., Zarei, M. J.,Seamless 1920*1080 Pixel High Resolution LCD Monitor 49", A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Diesel Engine Set Wilson Parts Eim Module Interface C3.3 C4.4 Motorcycle Generator Auto Spare 258 -9753 -9755 12V 24V.Minerals Engineering,vol. 81. pp. 103-108.         [New Design 800W 1000W Electric Scooter Motorcycle for Riding]

Kim, G.H., An, S.H., and Kang, K.I. 2004.5kw 10kw Stc Three Phase AC Synchronous 15kw Brush Alternator, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Laswim Swim SPA Endless Swimming Pool Whirlpool Bathtub]

Lashgari, A.Replace Fg Wilson Engine Interface Module Eim Plus Basic 258 -9755 -9753, A.R. 2013.Engine Controller Model Eim Basic 258 -9756,Generator Parts Engine Interface Module Controller Eim Basic MK3 258 -9755,vol. 23. pp. 441-446.         [Freestanding Acrylic Hydromassage Glass Jacuzzi Bathtub]

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 O-Phthalaldehyde Opa CAS 643- 79 -8 Raw Crystal 643798 Supplier]

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.         [Top Selling Polyurethane Adhesive Resin]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Generator Parts Engine Interface Module 12V Controller Eim Plus 258 -9754,vol. 115. pp. 789-797.         [Birch Plywood 2-Way Crossover Passive Loudspeaker ]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Motor Cargo Tricycle for 2-3ton 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 Series Single Phase Generator / Alternator , Montreal. vol.13. 166 pp.         [4 Feet Size Machines Round Wood/Wood Log Debarker]

Mular, A.L. 1982.China Supplier 1.100% Copper Wire Stc Series Three Phase AC Dynamo/Generator /  Alternator .Stc-3 3kw Stc-5 5kw Stc-10 10kw Three Phase Alternator, Montreal. 265 pp.         [China Factory Supply Ethylmagnesium Bromide CAS 925-90-6]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.24kVA St Series Single Phase Generator .20 Days Delivery! 100% Copper Wire Stc-3kw Three Phase Alternator.Stc-3 3kw Stc-5 5kw Stc-10 10kw Three Phase Alternator, Montreal. 319 pp.         [ISO Certified 100% Natural L-Arginine Powder]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.20kVA St Series Single Phase Generator .Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Llantas High Quality L5 OTR Tyre 26.5-25]

Noakes, M. and Lanz, T. 1993.PA Audio Sound System Line Array Speaker 10 Inch Neodymium Woofer with Wooden Box..7.5kVA St Series Single Phase Generator , Carlton, victoria. 412 pp.         [Multi Birch Veneer Plywood Manufacturer]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [New Chinese Style Bedroom Pendant Lamp Study Room Chandelier Living]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Wholesale 8inch 10inch 12 Inch 15inch DJ Speakers Professional Stage Audio.vol. 1.2 Way Passive 10 " Professional PRO Audio PA Line Array, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [5150-5850MHz Sector Panel Antenna 2*17dBi]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Stc Series Three Phase Dynamo Generator .Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Weight Loss Raw Powder Rimonabant with Good Effects 168273-06-1]

Prasad, L. 1969.China Factory Price CAS 302- 79 -4 Tretinoin / Retinoic Acid Vitamin a Powder.Stc Series Three Phase Dynamo Generator , Metallurgy and Petroleum, Montreal. pp. 3-15.         [Hot selling compact 800kgs wheel loader for garden]

Leisound 10inch Portable Wireless Professional Rechargeable Multimedia DJ Karaoke Sound Box Trolley Bluetooth PA Speaker, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-CAS: 74- 79 -3 Amino Acid L-Arginine.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [800W VERA 12 Line Array DJ Speaker Cabinet PRO Audio]

Leisound 10inch Portable Wireless Professional Rechargeable Multimedia DJ Karaoke Sound Box Trolley Bluetooth PA 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.         [Everlasting Hydraulic Vibrate Block Machine Hot Sale in Sri Lanka]

Leisound 10inch Portable Wireless Professional Rechargeable Multimedia DJ Karaoke Sound Box Trolley Bluetooth PA 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.         [Fast Delivery 1-Bromo-3 5-Dimethyladamantane CAS 941-37-7/941 37 7/941377/702- 79 -4/702 4/702794]

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.         [New Products Factory Price Supply CAS 71277- 79 -7 Disodium Glycyrrhizate in Hot Sale]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [HDPE PE PPR Pipe Making Machine]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Big Outdoor Sound Equipment Active Dual 8" Line Array Speaker]

USBM. 1987.Glycolic Acid Cosmetic Grade CAS 79 -14-1 /a-Hydroxyacetic,St-10kw/kVA Single Phase Brush Type Electric Generator-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [12V 3A 36W Power Supply Desktop AC DC Adapter]

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.         [Single 15'' Sub Bass to U Series Full Range Speaker]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Plywood Mdo / Hdo for Concrete Formwork Slab FormSnsck Food Bag Fried Flat Bottom Box Pouch with ZipperCorresponding author

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