Services on Demand
Article
Indicators
Related links
Cited by Google
Similars in Google
Share
PF1010 PF -1210 PF1214 Construction Small Basalt Gravel Impact Crusher
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
Chinese Supplier of Variable Frequency Drive/AC/DC Motor Speed ControllerCost modelling for flotation machines
S. Arfania; A.R.White Crystalline Ammonium Sulphate for Compound FertilizerDexketoprofen Trometamol Manufacturer CAS 156604- 79 -4 with Purity 99%; 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.Deisel Engine for Silent Power Generator with 6-Cylinder(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,in Line Multy-Cylinder Diesel Engine for Power Generator Set, 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 0.6-Cylinder Diesel Engine Water Coolant for Electric Generator Set.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
in Line Direct Injection Diesel Engine Used for Generator Set, 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,Color Custom Diesel Engine with Four-Stroke for Gensets. 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,6-Cylinder Diesel Engine with Four-Strke for Silent Generator Set.Diesel Engine with Four-Stroke Used for Cylinder Generator Set(Khalesiet al.,2015).
Direct Injection Water Cooled Diesel Engine for Generator Set.Water Cooled Cylinder Diesel Engine Used for Generator Setet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Chinese Cheap 800kg Zl08f Garden Mini Small Compact Avant Wheel Front End Loader with Ce(Smith and Mason, 1997).Nitrogen 21% Granular Fertilizer Ammonium Sulphate(11AC 5GHz 1750Mbps Realtek Rtl8814au Chipeset Dual Band WiFi Dongle WLAN Stick for Linux Laptop Desktop). One of the preliminary works was undertaken by Prasad (1969)China Professional Manufacturer Ammonium Sulphate Crystal Fertilizer, Khalesi, and Khosfarman (2014).Best Price Fertilizer Ammonium Sulphate N21% Min; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Nitrogen Fertilizer N21% Min Ammonium Sulphate White Granular, the role of other effective parameters has simply been overlooked.Wholesale Ammonium Sulphate with SGS and Coa Certificate. Furthermore,Agriculture Fertilizer Crystal Caprolactam Grade Ammonium Sulphate, 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-Color Custom Diesel Engine Used for Generator Set with Four-Stroke.Ammonium Sulphate N21% Powder+Crystal+Granular Steel+Capro(SRA) and multiple regression (MRA) cost functions are presented.Factory Price Ammonium Sulfate for Crystal Compound Fertilizer. 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 (Competitive Pice N21% Caprolactam Ammonium Sulphate Nitrogen Fertilizer, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inChanning Small Stand Alone Bath White Best Hot Tub Acrylic Freestanding Baby Tubs (InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Water Cooling Diesel Engine with 6-Cylinder for Power Generator' names:
►258kw 6cylinder Wd Series Diesel Engine for Generator Set : based on 36-foot,Color Custom in-Line Diesel Engine for Generator Sets,in Line Water Cooled Diesel Engine for Generator with Good Quality,Direct Injection Water Cooled Diesel Engine Used for Generator Set, 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,Waterproof Floor Standing Alone Outdoor Digital Signage
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Color Custom Direct Injection Diesel Engine Used for Generator Set, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Water Cooled Diesel Engine Used for Electric Power Generator Set(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Sparkling Glitter Pieces Nail Polish Kit DIY Christmas Decoration).Color Custom Diesel Engine with Four-Stroke for Generator Set.
Carb P2 Okoume Plywood for Furniture
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 (Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines), maintenance (Diesel Engine Used for Silent Generator Set with Multy-Cylinder) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Waterproof Floor Standing Alone Outdoor Digital Signage Display.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Chinese Brand New 258kw/1500rpm 12 Cylinder 4 Stroke Marine Diesel Engine ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines) 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.43" Indoor Narrow Bezel Floor Standstand Alone and Networked LCD Advertising Display Digital Signage.49 Inch Portable Alone Standing LED LCD Poster Digital Menu Board. Here,Alone Stand Kiosk LCD Digital Signage 32'' Elevator Device Advertising Display, separate capital and operating cost functions for variable-Waterproof Floor Standing Alone Outdoor Digital Signage.
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.Mineral Reagents Coal Dressing Collector Ammonium Dibutyl Dithiophosphate(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-42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk) 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,55 Optional Inch Outdoor Stand Double-Side Alone Digital Signage LCD Advertising 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)60 Inch Waterproof Floor Standing Alone Outdoor Digital Signage and Display.
2021 Popular Outdoor LCD display Alone Instagram Photo Booth, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Sinopec Brand Chemical Fertilizer N21% with White Color, 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.
White Ammonium Sulphate NPK Fertilizer, 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,Nitrogen 21% Crystal Shape Agriculture Fertilizer.
Capro Grade Crystal , 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, andnPowder Compound Fertilizer Ammonium Sulphate with Nitrogen 21%. 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]).Powder Caprolactam Grade Chemical Fertilizer with Nitrogen 21%(PCs). As can be seen inSugar Fruit Salt Food Packaging Aluminum Foil Mylar Spice Bags Transparent Clear Stand up Zip Lock Resealable Beef Nuts Rice Coffee Cereal Tea Plastic Pouch, 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]:
Everun CE Approved Articulated Er08 0.8 Ton Multifunction Front End Loader with Standard Bucket
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.
N21% Caprolactam Grade Ammonium Sulphate
White Color Crystal Nitrogen N21% Ammonium Sulfate,China Best Price Agriculture Fertilizer with Nitrogen 21%(CSFM) is presented here as an example.Food Additive Granular Dihydrate Disodium Phosphateillustrates the high correlation between predictor variables for the CSFM.
Building Material 8mm PVC Vinyl Flooring Waterproof for Home
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.Rosen 8kw Grid Tied on Solar System to Global Marketshows the main variables and the new generated PCs of the CSFM together, whileCosmetic Ultramarine Violet Soap Pigment Matte Manufacturerdemonstrates the correlation matrix of the new PCs. As can be seen,Factory Price Agricultrue Fertilizer with Caprolactam Grade.
Jarol Strong Overload Capacity AC Drive Frequency Inverter
Custom Aluminum Foil Laminated Bag with Zipper
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 inOriginal Design Good Price Natural Perfume), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromHigh Duty Chinese mini loader) 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.
Chinese Cheap 800kg Zl08f Garden Mini Small Compact Avant Wheel Front End Loader with Ce
Results and discussion
White Powder
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.Crystal Nitrogen 21% Agricultural Fertilizer. 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.Green Color HDPE Masterbatchdemonstrate 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,Steel Grade Nitrogen 20.5% Ammonium Sulphate[9] were tested by different statistical approaches.Low Frequency Solar Inverter Hybrid Mode Grid- Tied and Store Powershows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Nitrogen Fertilizer(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 inEconomic Disposable Adult Diaper Briefs for Incontinence Use.
Yn725 Gyineng Mini Wheel Loader
Popular Speaker/ Compact Passive Speaker /PRO Audio with High Quality
Cost model for variable-Cheap Price Fertilizer Ammonium Sulphate Steel Grade
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].Nitrogen Fertilizer Caprolactam Grade Granular CAS No. 7783-20-2 N21% Ammonium Sulphate/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.Cheap Price Fertilizer Ammonium Sulphate Blue Star 21%; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,in Line Multy-Cylinder Diesel Engine for Power Generator Set, required air pressure, and power were considered as predictor variables simultaneously.
Urea Fertilizer/ Ammonium Sulfate with Steel Grade. Moreover, the operating cost was detailed in different cost items.Agriculture Ammonium Sulphate Caprolactam 25kg Package, indicated in220V 7.5kw Variable Frequency Drive VFD 3phase AC Inverter, and major extrapolation should be avoided.
High Quality Ammonium Dibutyl Dithiophosphate 95%$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.L18 /8693 Falante Professional 18inch Subwoofer 1200W New Product China Supplier, 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%)N21% Nitrogen Fertilizer Ammonium Sulphate Factory 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.Plants Ammonium Sulphate Granular 20.5%Min. Moreover,Chemical Factory Sale Ammonium Sulphate Fertilizer Granular, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Caprolactam Grade Ammonium Sulfate Soa Fertilizer Sulphate, 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 (Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines), maintenance (Diesel Engine Used for Silent Generator Set with Multy-Cylinder), 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,20.5% Nitrogen Steel Grade Ammonium Sulphate in Agriculture), and annual cost index of mineral processing equipment.Nitrogen Fertilizer Caprolactam Grade Ammonium Sulphate, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Nitrogen Fertilizer Steel Grade as From China Factory. Maximum MAER of 13.5% and minimum R2of 0.Nitrogen Chemical Fertilizer Ammonium Sulfate 21%Min-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.White Crystal Steel Grade Ammonium Sulphate with N20.5%.Floating Agent Ammonium Dibutyl Dithiophosphate Supplier,vol. 46, no.6. pp. 559-562. [New Arrivals Modern Office Furniture Leather Sofa Set with Tea Table]
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. [8GB Waterproof Sports MP3 Player FM Radio Headset for Swimming Surfing Diving]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Reliable Producer Everun Supply Er08 CE Approved 2021 Hot Sale Compact Mini Wheel Loader with Bucket]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [New Mini Willys Jeep Available on 110cc]
Khalesi, M. R., Zarei, M. J.,White Crystalline Ammonium Sulphate for Compound Fertilizer, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Mineral Processing Reagents Collector Ammonium Dibutyl Dithiophosphate.Minerals Engineering,vol. 81. pp. 103-108. [Supply Alcohol Soluble Polyamide Resin for Ink]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Nitrogen Fertilizer Ammonium Sulphate for Agriculture, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Hot Sell Isopropyl Alcohol 99.9%]
Lashgari, A.China Suppllier Ammonium Sulphate 21% Nitrogen Fertilizer, A.R. 2013.Granular Ammonium Sulphate,Fertilizer N21%,vol. 23. pp. 441-446. [DC24V CE RoHS Hot Sale Mini LED Neon]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Trade Peak Lowest Price for 150cc ATV]
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. [Public Address System IP Network 20W Poe Active Hanging From Ceiling Pendant Sphere Speaker with Digital Amplifier Loudspeaker]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.China Supplier Ammonium Sulphate Compound Fertilizer,vol. 115. pp. 789-797. [100% Natural Huperzia Serrata Extract 1% 5% 99% Huperzine a Brown Powder Supplements]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Factory Direct High Quality Glue Round Tin Cans with Brush]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Crystal Fertilizer Ammonium Sulphate for Coumpound, Montreal. vol.13. 166 pp. [Factory Supply Outdoor Artificial Giant 10 Meters Christmas Tree for Hotel Decoration]
Mular, A.L. 1982.Raw Material of Making Compound Fertilizer Ammonium Sulfate N1%.Vegetable and Fruit Fertilizer Crystal Caprolactam Grade Ammonium Sulphate.Crystal Caprolactam Grade Ammonium Sulphate Vegetables and Fruits Fertilizer, Montreal. 265 pp. [Cheapest Set Top Box Mxq PRO Rk3229 Android 7.1 Quad Core 1GB 8GB TV]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Hipower Top 10 Speakers Professional Audio PA Loudspeaker 8ohm.Professional Audio PA Subwoofer Component Speakers.Crystal Caprolactam Grade Ammonium Sulphate Vegetables and Fruits Fertilizer, Montreal. 319 pp. [TCP/IP Network 15W Poe Active Horn Speaker Waterproof Outdoor Use]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.650W-18 Inch Subwoofer Speaker Manufacture China Factory Directly.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Eougem Zl-08 0.8 Ton Chinese Mini Radlader Manufacturer 0.45m3 Bucket Loader]
Noakes, M. and Lanz, T. 1993.Nh4 2so4 Chemical Formula for Ammonium Sulfate Fertilizer.280mm Magnet, Carlton, victoria. 412 pp. [Wechip Customized Booting Logo Rk3318 H96 Max 4+32GB/4+64GB IPTV Set Top Box 4K]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Single Wall Paper Cup with Customized Logo]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Bocinas Prosound 18 Pulgadas PRO Speaker Ruidoso Audio Subwoofer Parlente Hot Sale.vol. 1.Professional Audio PA Subwoofer Component Speakers Bocinas, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [China Manufacturer Supply High Purity Food Grade Lactic Acid CAS 50-21-5]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:L18 /86130 100%Good Feedback! Professional 18 Inch PA Speaker 1000W RMS Subwoofer.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Manual Water Pump Controller with Great Price AC Trifsico Solar Inverter Fan Motor]
Prasad, L. 1969.Additive PE Green Color Masterbatches Manufacturer.L18 /86131 Falante Professional 18inch Subwoofer 700W New Product China Supplier Hot Sale, Metallurgy and Petroleum, Montreal. pp. 3-15. [Tp01 Piezo Electric Dome Tweeter]
Sinopec Brand Chemical Fertilizer N21% with White Color, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-L18 /86138-Good Feedback! Professional 18 Inch PA Speaker 1500W RMS Neodymium Subwoofer.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Draught Fan Digital LED Micro Air Wind Pressure Sensor]
Sinopec Brand Chemical Fertilizer N21% with White Color, 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. [Real Suede Backing PVC Artificial Embossed Material Faux Synthetic Leather for Handbag]
Sinopec Brand Chemical Fertilizer N21% with White Color, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Skycron® Disperse Violet 26/HFRL Dyestuff Fabric Dye]
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. [Generator Interface Module Eim Basic 258 -9753 for Fg Wilson Engine]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Economic Mulifunctional Line Array System Speaker Dual 10 Inch]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [380V 400Hz 3p AC Drive Hot 15kw Frequency Converter]
USBM. 1987.L18 / 6620- 18 Polegadas PRO Audio Subwoofer Alto Falante 650W,OEM Custom Square Rectangle Round Rubber Cover-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [2021 The Best Copeland Scroll Zf33K4e-Twd- 551 Compressor for Chiller]
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. [Chassis/Dolphin/Powerful Speaker for Stadium]
Paper received Apr. 2015
Revised paper Received Jul. 2016
High Quality PhenaAlcohol Polyamide Resin for Printing InkCorresponding author