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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
EEC EPA Extreme Adult RC SnowmobileCost modelling for flotation machines
S. Arfania; A.R.Vdf AC DC Drive Solar Power Inverter Converter Using for Tower Lift 250kwMedical Automatic Ultrasound Bone Densitometer in Low Price; 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.Zhenhua Classic Motorcycle Dax 125cc Euro4(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,Super Cooling Smart Electric Scooter 500W 800W Motorcycle, 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.Wholesale 1L Round Empty Fully Synthetic Brake Oil Tin Can with Metal or Aluminum Caps.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Scooter / Motorcycle Electric Motor Power 800W 1kw 2kw 3kw, 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,5GHz Dual Pol Sector Antenna with Enclosure. 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,5GHz 18dBi Dual Polarized Enclosure Antenna .2.4/ 5GHz 10dBi Rubber WiFi Antenna(Khalesiet al.,2015).
Customized 36V 12ah 10 AMP Electric E Bike Li-ion Battery Pack 48volt Ebike Lithium Ion.5GHz 18dBi Sector WiFi Antennaet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 55 Inch Outdoor Double-Side LCD Display Self Service Airport Kiosk Touch Screen Multimedia Information(Smith and Mason, 1997).125cc Retro Scooter Motorcycle(Manufacturer Wholesale Good Quality Empty 1lt Metal Paint Glue Tin Cans with Lever Flat Pry Lid). One of the preliminary works was undertaken by Prasad (1969)Handheld Double Heads WiFi Wireless Ultrasound Color Doppler Probe for iPhone/iPad/Android/Ios, Khalesi, and Khosfarman (2014).Hot Selling 800W Brushless Motor Electric Scooter Motorcycle; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Lady's E-Scooter 800W Hot Sale Made in China, the role of other effective parameters has simply been overlooked.High Quality Electric Motorbike with 800W Motor. Furthermore,800W 72V China Electric Tricycle for Handicapped, 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-Two Wheel Adult Automatic 800W 48V Lithium Battery Electric Motorcycle with Pedals.5GHz Antenna High Gain 16dBi Panel(SRA) and multiple regression (MRA) cost functions are presented.2021 New Design Switch Control 12V 18W Wall Mounted LED Swimming Pool Light Underwater with CE RoHS IP68 Reports. 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 (5GHz 29.5dBi Die Cast Grid Antenna, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inYn725 Yineng Mini Wheel Loader 18.5kw No Cabin(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;No Flicker Glare 18W 12V Resin Filled Flat LED Swimming Pool Underwater Light with CE RoHS IP68 Reports' names:
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►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,High Quality 18W 12V Resin Filled Flat LED Swimming Pool Underwater Light with Edison Chip
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,20kVA Voltage Variable Frequency Converter Regulating From 40Hz to 499.9Hz 0-520V, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),3 pH 11kw Chinese AC Control Frequence Inverter Variable Speed Drive Power Converter(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Stainless Ss 304 Steel Sheets Hot Rolled 316L Sheet Cold 2b 6K 8K Polished Surface 310S Materials Carbon 1cr17ni7 Mild Alloy Work).Water Proof Vet Ultrasound Scanner.
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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 (Three Phase Vector Frequence Converter with High Performance), maintenance (Replica Aluminum Alloy Wheels for BMW 1/2/3/4/5/6/7 Series) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,16"X6.0" 16'x7.0' 16X8.0 16X10 Trailer Steel Rim Wheel.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (AC Drive Frequnce Converter Frequence Inverter Manufacturer Supplier) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (14"X5.0"J 14'x5.5'j 14X6.0j 14X7.0j Inch Steel Wheel for Sport Trailer) 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.Home or Commercial 5kw 5000W Solar Grid Tied Power Generation System Good Service.Eougem Zl08 0.8 Ton Mini/Small Articulated Hydraulic Mini Front End Loader. Here,Best Price Ultrasound Scanner Wireless Probe Double Heads 3 in 1 Cardiac / Convex Linear Color Doppler for Adriod/iPad, separate capital and operating cost functions for variable-Ultrasonic a B Scan Ophthalmic Eye Ultrasound Scanner with Low Price.
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.Ce Approved Medical Portable Bone Densitometer Ultrasound Machine (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-Vitreous Hemorrhage ) 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,500kw on Grid Tied Hybrid Solar Power Plant Station System. 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 Classic China Motor Cargo Three Wheel Motorcycle .
Motorcycle with Dryweight 120-220kg, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Ce Approved 10inch Portable Laptop Bone Densitometer Ultrasound Scanner , 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.
Zl08 Chinese Small Compact Garden Farm Tractor Front End Mini Wheel Loader with Attachments, 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,B5 200cc 250cc 300cc Cargo Tricycle with Cabin Motorcycle Three Wheel Loncin Zongshen Lifan Engine.
Growatt 50000W 60000W 70000W 80000W Grid Tied Solar Inverter, 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, andnHot Selling Tricycle 250cc/ 300cc Three Wheel Motorcycle. 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]).ACTIVE AL908 0.8 ton Mini Wheel Loader with Wood Gripper and Pallet Fork(PCs). As can be seen inCustom Cat Food Bags, 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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Adult 150cc 200cc 300cc EPA Approved Three Wheel Mptorcycle Scooter,300cc Road Legal Ault Street Gas Three Wheel Scooter(CSFM) is presented here as an example.Ce IP67 2.5mm2~6.0mm2 Male/Female DC 1000V Mc4 Solar Cable Connectorillustrates 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.Wholesale Plastic Square 1 Liter Fertilizer Bottleshows the main variables and the new generated PCs of the CSFM together, whileFuso Truck & Bus Turbo Td04 49377-03041 Me201258 for 4m40 Engine Mitsubishi Pajerodemonstrates the correlation matrix of the new PCs. As can be seen,China Supplier Ophthalmic Equipment Ultrasound Ab Scan.
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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 inPVC Woven Wall to Carpet Roll), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromXylazine Hydrochloride / HCl CAS 23076-35-9 for Antinociceptive) 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 0.150cc/200cc/250cc / 300cc Three Wheel Cargo Motorcycle /Tricycle. 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.No Flicker Glare High Purity RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Edison Chipdemonstrate 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,Heavy Duty Tricycle 250cc[9] were tested by different statistical approaches.5L Vegetable Cooking Oil Custom Tinplate Square Canshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Electric Motorcycle Fashion Design 800W with Removable Battery(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 inAthen Jade Marble Slabs for Interior Flooring Wall Decoration.
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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].800W Electric Scooter Motorcycle Bicycle with Folding Rack/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.Wholesale Adult Tricycle Price Adults Tuk Motorcycle in India; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Super Cooling Smart Electric Scooter 500W 800W Motorcycle, required air pressure, and power were considered as predictor variables simultaneously.
Sporty 500W/ 800W /1000W. Moreover, the operating cost was detailed in different cost items.5GHz 10dBi Outdoor WiFi Omni Antenna , indicated inHot Sale 800ml Size 1liter Engine Oil Tinplate Tin Can with Metal Pressure Lid, and major extrapolation should be avoided.
Ho-500 Ce Approved High Quality Eye Diagnosis System Ophthalmic Ultrasound Scanner$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.Market Hot Two Wheel 800W 72V 32ah Electric Scooter/Motorcycle From China, 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%)Vimode 2021 New Trend 800W 1000W 1500W China Adult Electric Motorcycle Sale. 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.Police Motorcycle 250cc. Moreover,125cc Scooter EEC Popular Motor Alex, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (250cc Three Wheel Cargo Motor Tricycle , 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 (Three Phase Vector Frequence Converter with High Performance), maintenance (Replica Aluminum Alloy Wheels for BMW 1/2/3/4/5/6/7 Series), 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,Motorbicycle with Stable Wheels), and annual cost index of mineral processing equipment.2021 60km/H Electric/Pull Starting System 4 Stroke 150cc Adult Gasolina Gokart Kart Racing Go for Sale Cheap, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Scooter with Stable Function and Nice Outside Looking. Maximum MAER of 13.5% and minimum R2of 0.Motorcyle for Both Oil and Water Cooling-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.150cc China Gas Motor Cargo Trike for Sale .Sw-1000p Ophthalmic Pachymeter,vol. 46, no.6. pp. 559-562. [Nitrogen Fertilizer]
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. [Facory Price Wholesale Custom 3D Fashion Logo Webbing Seat Zinc Alloy/Brass/Western High-Quality Belt Buckle]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Melamine Glue WBP Commerical Plywood]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Gabon Okoume Veneer a B C D Grade From Factory to India]
Khalesi, M. R., Zarei, M. J.,Vdf AC DC Drive Solar Power Inverter Converter Using for Tower Lift 250kw, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Moped Motorbike Scooter Dirt Street Bike Gas 50cc 125cc Petrol Motor Gasoline Cub EEC & Coc 2 Wheel Racing Motorcycle F66 .Minerals Engineering,vol. 81. pp. 103-108. [Polyamide Resin with Benzene Soluble for Printing Inks]
Kim, G.H., An, S.H., and Kang, K.I. 2004.24 Modules Fixed Head End CATV Modulator, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [IN-AC5MC USB mobile scan cheapest pocket handheld hospital ultrasound scanner]
Lashgari, A.860MHz Two Way Amplifier , A.R. 2013.5GHz Parabolic Grid Antenna 24dBi,5GHz 30dBi Mimo Dish Antennas,vol. 23. pp. 441-446. [Fashion Jewellery 925 Sterling Silver Jewelry White Gold Plated Huggies Earring with Zirconia]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [150cc 200cc 250cc ATV Quad Bike for Adults]
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. [Carb E0 Glue Cabinets Grade 18mm White Birch Plywood From China]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.China Factory Supplier Ophthalmic Equipment Ab Scan,vol. 115. pp. 789-797. [ASME B36.10m Welded Stainless Steel Tube Nps 1 Sch Xxs ASTM B167 Uns N06690]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Pharma Intermediate Dibenzylideneacetone CAS 35225- 79 -7]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Internal 2.4GHz/ 5GHz Antenna/TV Antenna/Stainless Steel with Rg1.13 Dual-Band Antenna, Montreal. vol.13. 166 pp. [Promotion Men Perfumes Hot Selling Fragrance]
Mular, A.L. 1982.24 Channels Fixed Modulator.5150-5850MHz Sector Panel Antenna 2*17dBi.12" 13 Inch Aluminum Alloy and Steel Wheel for Minicar, Montreal. 265 pp. [Best Price O-Phthalaldehyde]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Replica Aluminum Alloy Wheels for Skoda.Best Price Sab-500 Ophtalmic Ab Scan.12" 13 Inch Aluminum Alloy and Steel Wheel for Minicar, Montreal. 319 pp. [Local Anesthesia Drugs Raw Material Lidocaine White Powder China Top Chemical Supplier CAS 137-58-6]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Portable Full Digital Ophthalmic a/B Ultrasound Scanner Mslmd25.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Everun 0.8ton Chinese Articulated Mini Wheel Loader]
Noakes, M. and Lanz, T. 1993.Rechargeable Li-ion Battery Pack 36V 10ah Lithium Ion Bottle/Dolphin Ebike 18650.80kw Grid Tied Solar System for Commercial or Industrial Use, Carlton, victoria. 412 pp. [Padlock-G38PDP]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [12V 1A AGM Desktop AC Adapter Battery Charger with Alligator Clip Connector for Europe]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Ho-500 High Quality Ophthalmic Ultrasound Eye Diagnosis System.vol. 1.Replica Aluminum Alloy Wheels for Jaguar Xe/Xf/Xj/E-Pace/F-Pace/F-Type, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Square Engine Oil Can Metal Paint Tin Container with Plastic Lid]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Ophthalmic Equipment Biometer Scan a.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [High Dispersing Plastic Antistatic Black Color Masterbatch with PP/PS/PE/ABS/HDPE/LDPE for Packaging Product Material]
Prasad, L. 1969.0-20dB 75 Ohm CATV Variable Adjustable Attenuator Equalizer.860MHz CATV One Way Amplifiers, Metallurgy and Petroleum, Montreal. pp. 3-15. [Pain Relleving Patch Topical Lidocaine Spray137-58-6 UK Warehouse Free Sample]
Ce Approved 10inch Portable Laptop Bone Densitometer Ultrasound Scanner , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-CATV Mini Line Extending 2-Way Amplifer.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !]
Ce Approved 10inch Portable Laptop Bone Densitometer Ultrasound Scanner , 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. [Yiwu Container Transport International Ocean Company Shenzhen Freight From Shanghai China Air Shipping Sea Cargo to France]
Ce Approved 10inch Portable Laptop Bone Densitometer Ultrasound Scanner , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Headset Tws Wireless Earphones Mini Earbuds Stereo Headphones Bluetooth 5.0]
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. [Portable Full Digital Ophthalmic a/B Ultrasound Scanner Mslmd25]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Grid Tied 5kw Solar Energy System Home Power 5000W for Roof Tile]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Jwell - High Performance Shoes PEVA Hotmelt TPU Film Production Line]
USBM. 1987.20MHz Probe Ophthalmology Ultrasound MD-2300S,860MHz Two Way Amplifier -metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Creative Ceramic Coffee Mug New Style Bulk]
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. [1L Metal Screw Top Round Machine Oil Tank]
Paper received Apr. 2015
Revised paper Received Jul. 2016
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