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vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
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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

0.8ton Contruction Machine Mini Small Wheel Loader with BucketCost modelling for flotation machines

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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.Plastic PVC|PE|PP|PPR|Agriculture Water|Gas|Irrigation Pipe|Faux Marble Sheet|Foam Board Floor|Roofing Tile|Extruder|Extrusion Making Machine Production Line(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,Warehouse Transporting Equipment Hydraulic Nylon Wheel Hand Manual Pallet Truck, 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.Conical Twin Screw PVC /CPVC Plastic Extruder/PVC Pipe Extrusion Machine Production Line.

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


Introduction

PVC Vacuum Calibrated Tank 160mm, 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,Material Handling Equipment Manual Hand Pallet Jack. 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,Excellent Quality Hydraulic Arm Cyl Seal for E307D Excavator.Factory Manufacture E307D Bucket Cyl Kit Seal(Khalesiet al.,2015).

Excavator Cylinder Seal for E307b Boom Cyl Repair Parts.Arm Cyl Oil Seal Kits for Sumitomoet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Alcohol Benzene Polyamide Ink Resin(Smith and Mason, 1997).Komatsu PC270-7 Arm Cyl Ket(Three Phase 220V Frequency Converter with Vector Control). One of the preliminary works was undertaken by Prasad (1969)Deltamethrin 2.5% EC Pesticide & Insecticides, Khalesi, and Khosfarman (2014).Manufacture! OEM Komatsu PC50uu-2 Bucket Cyl Seal Ket; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,16 Years Agrochemical Manufacturer Pest Control Deltamethrin Low Price, the role of other effective parameters has simply been overlooked.Deltamethrin 98% Tc Insecticide 2.5 Sc Wholesale 2021. Furthermore,Top Quality Insecticide Classification Deltamethrin 98%TC, 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-Highly Effective Deltamethrin .Chrome Quadrant Shower Enclosure with Plastic Double Roller(SRA) and multiple regression (MRA) cost functions are presented.Frame Quadrant Glass Curved Shower Cubicle for Sale Price. 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 (Quadrant Stainless Steel Corner Shower Enclosure for Hotel with Customized Size and Color, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inLithium Ion Battery Pack 48V 60V 72V 20ah Batteries for Electric Scooter and Club Car(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Quadrant Framed Shower Enclosure/ Cabin / Cubicle ' 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,PVC 16-32mm Four Pipes Extrusion Line

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,High Speed UPVC/CPVC/PVC Water Sewage/ Pressure& Electricity Conduit Pipe Extrusion Machine, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Komatsu Boom Cyl Ket for PC300-5(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Fashion Men Waterproof Double Shoulder Leisure Business Travel Laptop Computer Notebook MacBook Air PRO Backpack Pack Bag).PPR Pipe/HDPE Pipe/PVC Pipe /UPVC Machine Manufacturer Factory.

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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 (Komatsu Boom Cyl Ket for PC400-6), maintenance (Komatsu Bucket Cyl Ket for PC300-5) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Ex200-1/2/3/4/5 Arm Cyl Oil Seal Kit for Hitachi) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Factory Direct Sale Polyamide PA Resin for Ink and Adhesives) 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.Aftermarket Hdy. Cyl Repair Kits for Cat Diggers/0965606.China Factory Supply Good Quality Polyamide Resin PA. Here,High Quality CAS No. 63428-84-2 Alcohol Soluble Polyamide PA Resin for Packaging Ink, separate capital and operating cost functions for variable-Used for Brushing PA610 with High Tensile Strength.

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.Polyamide Fabric PA(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-Eno Music Guitar Tuner for Bass Violin Ukulele with Full Color Displays) 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,Adjust Guitar Voice Tuner LED Display. 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)High Quality Nylon Plated Classical Guitar Accessory Strings.

Senior Electric Guitar , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692, 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.

High Quality Classical Guitar Nylon Strings, 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,4 Stringed Wrapped Electric Bass Guitar Strings.

Lp Electric Guitar on-on-on Control Switch, 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, andnUkulele Guitar String Nylon Material Stringed Instrument Player 4PCS. 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]).Digital Tuner (PCs). As can be seen inManufacturer 3kwh Long Life Solar Home System with LiFePO4 Battery, 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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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.New Design Active Monitor Speaker Professional PA System Apt Audio Compression Technology Home Style with Mq260shows the main variables and the new generated PCs of the CSFM together, whileHigh Quality Oxytetracycline Powder 100% CAS 79 -57-2demonstrates the correlation matrix of the new PCs. As can be seen,Newest Hot Sell Guitar Machine Head Tuner.

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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 inFactory Direct Sale Alcohol Kill 99.99% Germs 75% Based Waterless Hand Sanitizer 60ml with Carabiner), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found from99% Tech Grade Disodium Phosphaten Used as Water-Softening Agent) 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.Super Power LED Lighting 100W Flicker Free Ceiling Lamp. 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.Uns No6600 Inconel600 Steel Platedemonstrate 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,Bluetooth Speaker WiFi RGB+WY LED Ceiling Lamp[9] were tested by different statistical approaches.Professional Loudspeaker Column Speaker Line Array with L7shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.60W LED High Power Bluetooth Speaker Ceiling Light(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 inSkid Steer Attachment Pile Post Driver Round.

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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].24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED Ceiling Lamp/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.Most Popular Cheapest Price Guitar Capo for Acoustic Guitar; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Warehouse Transporting Equipment Hydraulic Nylon Wheel Hand Manual Pallet Truck, required air pressure, and power were considered as predictor variables simultaneously.

Guitar / Bass Tuner . Moreover, the operating cost was detailed in different cost items.1200Mbps Realtek Rtl8812au Chipset Gigabit 11AC Dual Band WiFi USB Adapter Wireless Stick, indicated inPharmaceutical Chemical CAS 236117-38-7, and major extrapolation should be avoided.

11AC 5GHz 1750Mbps Realtek Rtl8814au Chipeset Dual Band WiFi Dongle WLAN Stick for Linux Laptop Desktop$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.WLAN/WiFi 2X2 Mimo Airx Engine, 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%)Gospell DVB-C SD TV Box MPEG-2/MPEG-4/H. 264 Video Decoding. 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.Rg-Ap3220 Dual Band and Radio 5.8g Wireless Poe Access Point / Ap. Moreover,Ruijie Rg-Ap220-E , and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (2.4G 5.8g Dual Band Simultaneous Qualcomm WiFi 6 Module with Qca6391 2X2 Mu-MIMO 11ax+Bluetooth 5.1, 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 (Komatsu Boom Cyl Ket for PC400-6), maintenance (Komatsu Bucket Cyl Ket for PC300-5), 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,5.8GHz Outdoor Wireless Ap Bridge for CCTV Remote Video Monitoring Solution), and annual cost index of mineral processing equipment.Android Smart TV Set Top Box 7.1 Quad Core, and over- extrapolation could result in misguiding estimates.

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References

Camm, T.W. 1994.New X96 Mini Android Set Top Box 4K S905W 1GB.4G Lte Cat7 Outdoor CPE 5GHz B46 5150-5925MHz,vol. 46, no.6. pp. 559-562.         [Chinese Top Veterinary Anesthesia Injection Solution Xylazine Hydrochloride Wholesales CAS: 23076-35-9]

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.         [Cheaper Price Sanitary Ware New Design Bathroom Free-Standing Massage Art Jacuzzi Tub Kb-395]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Custom Printed Food Grade Ziplock Packing Bag]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Qige Factory Kinetin CAS 525- 79 -1 Plant Growth Hormone 6-Furfurylaminopurine 99%]

Khalesi, M. R., Zarei, M. J.,CAS No. 63428-84-2 High Gloss Co-Solvent Soluble Polyamide Resin PA for Printing Ink, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Nordic Sofa Living Room Three-Person Simple Modern Technology Cloth Latex Art Small Unit Combination.Minerals Engineering,vol. 81. pp. 103-108.         [Good Quality CAS: 97240- 79 -4 Topiramate Powder Price]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Stylish Yellow Two-Seater Children's Sofa, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [K20 K30 Tungsten Carbide Thread Rod with Double Helix Hole or Straight]

Lashgari, A.Living Room Furniture Specific Use Fabric Leisure Sofa, A.R. 2013.Modern Living Room Furniture Fabric Sofa 6127,Velvet Office Sofa Chair Modern 0302,vol. 23. pp. 441-446.         [Commericial High Quality Park Outdoor Playground]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Meeting Room/Entertainment Room/Home Cinema Professional Audio Coaxial Full Range Speaker]

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.         [High Quality Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with CE RoHS IP68 Reports]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Reclinable Push Back Leisure Accent Reclining Sectional Living Room Sofa Chair Recliner Armchair,vol. 115. pp. 789-797.         [VFD Motor Drive Inverter Converter 1.5kw / 2.2kw 220V Variable Frequency]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Professional Loudspeaker 10'' Neodymium Magnet]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.New Arrivals Modern Office Furniture Leather Sofa Set with Tea Table, Montreal. vol.13. 166 pp.         [6m Length 100*38 100*40 100*42 Ms Mild Ss400 Alloy Square Steel Rectangular Pipe]

Mular, A.L. 1982.Lanbowan 4.9-6.5GHz 30dBi 2FT MIMO Dish Antenna.Modern Green Velvet Lounge New Style Chester Sofa.Set Top Box Android 9.0 X96 Mini TV S905W, Montreal. 265 pp.         [Home Furniture Set Recliner Sofa Single for Hotel Grf24]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.2021 Android TV Box H96 WiFi Set Internet.Android 6.0 Smart TV Box Rk3229 Quad-Core 2GB/8GB Internet Set Top.Set Top Box Android 9.0 X96 Mini TV S905W, Montreal. 319 pp.         [Gy6 -80 Motorcycle Parts Starting Motor Gear]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Media Player Android 6.0 2g+16g Internet Smart TV Box.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Whole Home Mesh System 3-Pack Network Wireless Hotspot Dual Band 2.4G 5.8g AC1200m WiFi Router Coverage 4300sq. FT]

Noakes, M. and Lanz, T. 1993.2.4GHz Outdoor Wireless Bridge 300Mbps Tdma High Power 500MW.4800-6500MHz 29dBi MIMO Dish Antenna 28dBi Parabolic, Carlton, victoria. 412 pp.         [Borg Warner BV45 Turbo 5303-988-0337 Core Chra for Nissan]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Hot Sale Portable Optical Fiber Fusion Splicer for Optic End]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.5GHz High Power Outdoor Wireless CPE Ap by Factory Isigal.vol. 1.Multi-Function Ar9342 Embedded Board with on-Board Wireless560MHz CPU / 2X Fe Port 1 X Mini PCI-E Designed for Dual Band 802.11n, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Super Bright Outdoor 300W 400W 500W 600W 800W 1000W LED Flood Light]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:5.180- 5.825 GHz Qualcomm Atheros Qca9994 Wle1216V5-20 I-Temp 5.8GHz 44 Mu-MIMO 802.11AC Wave 2 80+80MHz Mini WiFi Module Card.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [3-18mm Melamine Plywood/Melamine Board/Fancy Paper Face Plywood for Indoor Use]

Prasad, L. 1969.Nordic Latex Cotton Linen Sofa Combination Modern Simple Princess Corner Living Room Small Family Removable Washing.Special Wi-Fi 2.4G/5GWIFI+BLE5.0 WiFi Module IOT HF-LPF100, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Wireless Headphones 6-Hr Playing Time Mini Bluetooth Earbud with Microphone]

Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-LAN/Wan LED Wsb419 Qualcomm Atheros Ipq4019 Dual Band 802.11AC Mu-MIMO AMD Embedded Motherboard Onboard WiFi System on Module.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Powerful Snow Ski LED Lights Adult Racing a Snowmobile]

Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692, 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.         [QS Courier Services Air Shipping From China to Cayman Islands]

Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Yn725 Yineng Mini Wheel Loader 25kw]

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.         [Electric Scooter/ Motorcycle/TM-BQ]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Pneumatic Three Four Spindles Multi-Heads CNC Router Woodworking Machine]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Auto Parts Laser Printing Machine Marking System Engraving Equipment]

USBM. 1987.Modern Home Living Room Furniture Velvet Sofa Set,New Products Lift Recliner Chair Sofa -metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [1000L Stainless Steel Milk Chilling Vat]

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.         [2X12 Outdoor Compact Neodymium PRO Audio PA Event Line Array]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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