Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Concrete Hollow Block Brick Making Machine
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
High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Waterproof Pool LampCost modelling for flotation machines
S. Arfania; A.R.Spiral Reversible Replacement Solid Tungsten Carbide Round or Square Indexable Woodturning Cutters Inserts for Wood TurningMetal Tinplate Container Engine Oil Can with Screw Cap; 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.E320L/B/C/D Boom Arm Bucket Cyl Seal Kit Excavator Oil Kits(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,Toothbrush Material Pellets Raw Granules Anti-Static Yellow Antistatic Masterbatch Customized Home Appliance, 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.K10 K20 P30 Tungsten Carbide Plate Strips for Cutting.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Komastu PC60-6 Arm Cyl Oil Seal Kit, 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,Cat320b/C/D Arm Cyl Seal Kit Excavator Oil Kits. 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,Pigment Violet 1 Toner for Ink.Solvent Violet 59 (Khalesiet al.,2015).
Solvent Violet 13 for Plastic Application.Solvent Violet 11et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for V-Sub 18" PA Audio Cardioid Subwoofer Speaker for Home Theater(Smith and Mason, 1997).Solvent Violet G 49 for Plastic(Eucalyptus Core or Birch for Veneer with Grade AA). One of the preliminary works was undertaken by Prasad (1969)Manufacturer ASTM 316L Uns S32205 Duplex Stainless Steel Tubes, Khalesi, and Khosfarman (2014).Solvent Violet 10b 9; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Duplex Stainless Steel Sheet Super 2507, the role of other effective parameters has simply been overlooked.ASTM A789 S32750 Uns Super Duplex Stainless Steel Pipe. Furthermore,Uns S32750 2507 S32760 F55 1.4501 Super Duplex Stainless Steel Bar, 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-Skycron® Disperse Violet 26/HFRL Dyestuff Fabric Dye.ASTM A790 Uns S31803 Seamless Stainless Steel Tube(SRA) and multiple regression (MRA) cost functions are presented.Manufacture High Quality PLA Silk Color Masterbatch. 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 (Ce Certification Plastic PP Blue Color Masterbatch, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inPharmaceutical Industry CAS 643- 79 -8 O-Phthalaldehyde(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;High Dispersing Plastic Antistatic Black Color Masterbatch with PP/PS/PE/ABS/HDPE/LDPE for Packaging Product Material' names:
►Wireless Earbuds Headphones with Bluetooth 5.0 Earphones True Stereo Tws Charging Case for Sports Drive or Work: based on 36-foot,Bluetooth 5.0 Headset Mini Tws True Wireless Earbuds Stereo Bass in-Ear Earphone,Mini Wireless Stereo Tws 5.0 Music Earphone L18,Plastic Material PP Antistatic White Masterbatches with Anti Static Requirement Customized PP/PS/ABS/PE/LDPE/HDPE, 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,Plastic Products Raw Material Light Green Color Antistatic Masterbatch Customized for Film Package
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Jwell Plastic PVC Foamed Frame Profile 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),Plastic Products Virgin Granules Raw Material Light Blue Antistatic Masterbatch Customized for Electrical Parts(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Wholesales Bathroom Black Oval Acrylic Stone Bath Freestanding Bathtub Bathtubs).Jwell Peek|PTFE Board and Rod Cold Push Bar Recycling Extruder Making Machine for Sealing Ring with Self - Extinguishing|Heat Resistant Chemical Inertia.
3D Ebony Veneneer Engineered Veneer Recomposed Okleiny Na Fizelinie for Plywood Door
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 (PP/PC Sheet Extrusion Machine), maintenance (Water Treatment Disodium Phosphate ) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Food Grade Addictive Disodium Phosphate DSP.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Disodium Phosphate Anhydrous CAS No 7558- 79 -4) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Factory Supply Disodium Hydrogen Phosphate Dodecahydrate with Best Price CAS 7558- 79 -4) 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.K05/K10/ K20 /K30/K40 Tungsten Carbide Flat.Changhong Film Stack Flexo Printing Machine. Here,Xft- 710 Axial Flow Fire Smoke Fan, separate capital and operating cost functions for variable-Bt Sk Cat Straight Collet Power Multi-Lock Chuck Milling Holder Arbors.
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.Disperse Violet 26 Dyes(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-Skyzon® Cationic Violet 3R/Cationic Dyes/Cloth Dye) 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,Disperse Dyestuff Violet S3rl 200% C. I. 63. 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)Pigment Violet 1 or Fast Rose Toner/Fast Lake.
Disperse Dyestuff Violet 200% P-CF for Textile, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Disperse Red/Blue/Orange/ Violet /Black, 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.
Disperse Dyestuff Violet Recp-Hf 100% for Textile, 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,Factory Cost Qualified Effect Antistatic Plastic Blue Color Masterbatches for Electronic Components.
Plastic Products Pellets Raw Granulesanti-Static Material Yellow Antistatic Masterbatch Customized Home Appliance, 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, andnSuper Popular Endless Swimming Pool with Jacuzzi SPA for Market. 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]).Massage Bathtub(PCs). As can be seen inCoating Additives Dimethyl Thio-Toluene Diamine CAS 106264- 79 -3 with High Quality, 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]:
Sinopec Brand Chemical Fertilizer N21% with White Color
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.
PA Filler Masterbatch for Injection Moulding
Swedish Soaking Bath Tubs Lowes Plastic Adult Freestanding Bathtub,Laswim Endless Pool/Counter Flow Pool(CSFM) is presented here as an example.4kw 3phase Frequency Converter 50Hz to 60Hzillustrates the high correlation between predictor variables for the CSFM.
Reversible Paper Roll Printing with Manual Sheeter Dough Price Bakery Equipment
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.Cosmetic Pearlescent Pigments Chameleon Color Travel T9315n Multicolor Interference Effectshows the main variables and the new generated PCs of the CSFM together, while910 Alicosolar 10kw on Grid Solar System with Power Inverter for Home CE/TUV/ISO Cretificatedemonstrates the correlation matrix of the new PCs. As can be seen,Double Slipper Two Upper End Freestanding Soaking New Bath Tub.
Velaslim Health Beauty Velashape Vacuum RF Cavitation LPG Body Slimming Equipments for
Everun 0.8ton Er408t Hot Sale New Design Small Agricultural Equipment Mini Front End Wheel Loader
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 inHardware Stainless Steel M4 Flat Head Knurled Round Body Blind Rivet Nut ISO13918), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found from48V/60V 800W Electric Scooter with Lead-Acid Battery) 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.
Results and discussion
Jacuzzi Massage Endless Swimming Pool Swim SPA
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 0.2021 Popular Great Large 5.95 Meter Swimming Pool Laswim Bathtub Hot Tub SPA. 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.Electricity Power Saver for Industry demonstrate 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,PP Corrugated Roofing Sheet Extrusion Machine[9] were tested by different statistical approaches.Portable Black Floor Tripod Speaker Stand Adjustable for 12 Inch PAshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Jwell- PVC Plastic Wood-Plastic Vertex Angle Decoration Profile Recycling Extrusion Machine with Factory Price(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 inCold-drawn wire stem CH1t Half Hollow Rivets Phosphate Coated Steel Wire.
Fast Shipping to Australia Quality 1.4 Butanediol Bdo 110-63-4
Cost model for variable-Jwell - Thermoplastic Polyurethane Film Extrusion Machine
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].Jwell - TPU Roll Car Paint Protection Matt Cast Film Machine/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.Jwell - High Performance Shoes PEVA Hotmelt TPU Film Production Line; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Toothbrush Material Pellets Raw Granules Anti-Static Yellow Antistatic Masterbatch Customized Home Appliance, required air pressure, and power were considered as predictor variables simultaneously.
Diesel Engine Parts Fuel Injection Nozzle Dlla150p249. Moreover, the operating cost was detailed in different cost items.Polythene Plastic Sheet Making Machine, indicated inHigh Quality Elasticity Competitve Nitrile X Ring, and major extrapolation should be avoided.
Jwell-Jwell-PVC Plastic Rigid Transparent Sheet Thickness 0.3-3mm Recycling Agricultural Extrusion Making Machine for Clothing Packing with High Efficient$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.High Quality Cow Poultry House Farm/ Greenhouse Ventilation Fan Made in 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%)1HP/2HP/3HP/4HP/5HP Shrimp Pond Fish Farm Aerator Air Ring Blower. 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.Diesel Engine Parts Fuel Injection Nozzle Dlla160p3125q. Moreover,Auto Engine Diesel Parts Fuel Injector Common Rail Nozzle Dlla153p2189, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Xft- 710 Axial Flow Fire Extinguisher Fan, 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 (PP/PC Sheet Extrusion Machine), maintenance (Water Treatment Disodium Phosphate ), 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,Diesel Engine Parts Fuel Injection Nozzle Dlla155p274), and annual cost index of mineral processing equipment.Diesel Engine Parts Fuel Injection Nozzle Dlla153p049, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Diesel Engine Parts Fuel Injection Nozzle Dlla155p273. Maximum MAER of 13.5% and minimum R2of 0.Diesel Engine Parts Fuel Injection Nozzle Dlla154p332-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.Diesel Engine Parts Fuel Injection Nozzle Dlla154pn006.High Quality Nickel Alloy Monel 400 ,vol. 46, no.6. pp. 559-562. [5GHz 15dBi Dual Polarization Enclosure WiFi Antenna]
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. [2021 Xangshi Mill 2.4/5GHz Dual Band 2 8GB Latest S905X Google Certified Android 8.1 4K Hdr Smart Box]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Professional Electric Adult Motorcycle 70km/H Cheap Fast Coc Design]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [5.8g Rtl8821cu WiFi Bluetooth Video Audio Transmitter Module for Mini Projector]
Khalesi, M. R., Zarei, M. J.,Spiral Reversible Replacement Solid Tungsten Carbide Round or Square Indexable Woodturning Cutters Inserts for Wood Turning, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Tsp Trisodium Phosphate/ CAS No.: 7758- 79 -4/Anhydrous/Na3po4.Minerals Engineering,vol. 81. pp. 103-108. [PU Wheel 2000kg Hand Pallet Truck with Digital Weighing Scale]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Disperse Violet 63, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Water Bottles Wrapping Machines Semi Automatic Film Shrink Machine]
Lashgari, A.Skycron® Disperse Violet 1/2R 100% Fabric Dye for Polyester, A.R. 2013.Disperse Red 11 or Brill Pink 4bn,94% Sodium Tripolyphosphate STPP CAS No: 7758- 79 -4,vol. 23. pp. 441-446. [High Capacity Output Automatic Brick Making Machine in Sri Lanka]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Zl08 0.8t Hot Sale Small Yard Loader Mini Tractor Front End]
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. [Hot Sale Jincheng Jc200t-8 Scooter Motorcycle with Good Price]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Skycron® Disperse Violet 63/RL 200% Color Dye For Clothes,vol. 115. pp. 789-797. [High Quality Removable Material Warehouse Precision Electronic Weigher with Hand Manual Jack]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [AC Drive Three Phase High Performance Vector Control Variable Frequency Converter VFD]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Flame Retardant Ammonium Polyphosphate , Montreal. vol.13. 166 pp. [7 Inch Full HD LCD Remote Control Download Ad Player Desktop Digital Signage]
Mular, A.L. 1982.Pigment Violet 23 Liquid.Asapp-II Ammonium Polyphosphate for Intumescent Paints .Water Treatment Softener Dibasic Sodium Phosphate 97% Powder CAS No.: 7558- 79 -4, Montreal. 265 pp. [Voomaster Brand Big Diamonds Tread Pattern Motorcycle Tyre 3.00- 17 ]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Indissolvable Ammonium Polyphosphate CAS No. 68333- 79 -9.Sodium Phosphate Dibasic CAS No 7558- 79 -4.Water Treatment Softener Dibasic Sodium Phosphate 97% Powder CAS No.: 7558- 79 -4, Montreal. 319 pp. [New Product T95 Max+ S905X3 World 9.0 6K 4G Lte Download User Manual for Max 4K Smart Android Box TV]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Detergent Grade Sodium Tripolyphosphate 94% CAS No: 7758- 79 -4.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [PA Filler Masterbatch for Injection Moulding]
Noakes, M. and Lanz, T. 1993.Boring Machine Tools Micro Head F1type CNC Heads Set.Straight Shank Collets C16 C20 C25 C32 Collet Chuck for Power Milling, Carlton, victoria. 412 pp. [Steel Grade Nitrogen 20.5% Ammonium Sulphate]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Sheet Metal Processing Press Brake Bending Machine Made in China]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.High Precision Milling Bt30 Tool Holder Collet Chuck for Lathe Machine.vol. 1.94% Sodium Tripolyphosphate STPP CAS No: 7758- 79 -4, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Professional Dual 15" Multi-Purpose Speaker]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Supply Ammonium Polyphosphate APP .Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Safe Delivery BMK Glycidate Pmk White Powder Eurore Warehouse CAS: 13605-48-6]
Prasad, L. 1969.Sdc Shrink Collet Chuck Toolholders for CNC Machine Part.Nickel Based Alloy W. Nr 2.4819 Hastelloy C276 Uns N10276 High Temperature Steel Round Flat Bar, Metallurgy and Petroleum, Montreal. pp. 3-15. [Alloy Inconel 625 Nickel Strip ]
Disperse Red/Blue/Orange/ Violet /Black, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-UNS NO2200 Nickel Plate.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Wilson Parts Eim Module Engine Interface Control 258 -9753]
Disperse Red/Blue/Orange/ Violet /Black, 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. [Full Container Amazon Shipment Guangzhou to USA DDP DDU Shipping Agent]
Disperse Red/Blue/Orange/ Violet /Black, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Wholesale Colorful Customize Printing Food Grade Water Proof Skin Patches Small Aluminum Foil Packing Bags with Zip Lock]
Smith, A.E. and Mason, A.K. 1997. Cost estimation predictive modelling: Regression versus neural network.The Engineering Economist,vol. 42, no. 2. pp. 137-161. [2021 Hot Sale Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with CE RoHS IP68 Reports]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [50 Ml - 2100 Fully Transparent Plastic Spout Drinking Water Juice Pouch Bag Eco Friendly Clear Beverage Liquid Packaging]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [E0 Glue1250*2500mm Wenge Engineer Veneer for Decoration]
USBM. 1987.Machine Tools 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Milling,Diesel Engine Parts Fuel Injection Nozzle Dlla148p591-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Hw500L Large Platform for Special Size Materials]
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. [Two Way 10 " Mini Portable PRO Audio Active Loudspeaker PS10]
Paper received Apr. 2015
Revised paper Received Jul. 2016
Plastic Pouch Custom Water Proof Weed Packaging Food Pack Stand up BagHigh Quality Motorcycle Parts Cam Corresponding author