Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Universal Power Supply 5V 1500mA 1200mA Us Wall Mount USB Charger Adapter with UL/cUL FCC Approval
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
Water Waste Landfill Industrial Aquaculture and Mining Project Geomembrane Liner Extruder MachineCost modelling for flotation machines
S. Arfania; A.R.China Pumping AC Variable Frequency Drive Solar Pump Inverter for SubmersibleVintage Chinese Factory Customizable Classical Retro Style Cruiser Ebike Moped; 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.Sporty Electric Scooter (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,SMD3014/2835 AC/DC Underwater LED Swimming Pool Light, 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 0.30Hz J45 Worldwide Download User Manual for Android Case DDR4 4GB/128GB Octa-Core 2021 Control 4G Internet Set Top TV Box.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Best Selling 4X4 Farm ATV, 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,Cheap Racing Go Kart for Sale 200cc Water Cooled Zyao. 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,Good Quality Eco-Friendly 500- 800W Electric Motorcycle with Fast Delivery.Suspension Delivery Chinese 800W Electric Motorcycle Small Long Range Accessories Two Wheels(Khalesiet al.,2015).
Amlogic Chipset S905X2 Quad Core Android8.1 4K Smart Internet TV Box T95q.Plywood Mdo / Hdo for Concrete Formwork Slab Formet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for American Walnut Single Crown Cut Veneer Recon Engineered for Door Furniture Plywood(Smith and Mason, 1997).Electric Scooter/ Motorcycle/TM-Monya(300cc Cargo Tricycle of Asia Market). One of the preliminary works was undertaken by Prasad (1969)Electric Scooter with Anti-Theft Motor Lock , Khalesi, and Khosfarman (2014).Hot-Sale Sporty Electric Motorcycle Mn5; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Good Price CE 500W Bicicletas Electricas 48V Electric Motorcycle 800W for Adult, the role of other effective parameters has simply been overlooked.RGB/White 18W PAR56 LED Swimming Pool Light. Furthermore,PAR56 IP68 Waterproof Outdoor Underwater LED Swimming Pool Light, 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-PAR56 316ss 18watt LED Underwater Swimming Pool Lights with PC Niche.18W Recessed IP68 PAR56 LED swimming Pool Underwater Light(SRA) and multiple regression (MRA) cost functions are presented.18W RGB Underwater LED PAR56 Bulb Light for Swimming Pool Lighting. 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 (Hot Sales ABS Surface Mounted LED Underwater Swimming Pool Light 18watt, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in12V 24V 48V 40ah Lithium Battery Solar 100ah 150ah 200ah 300ah 400ah 500ah Energy Storage(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;WiFi Control IP68 PC Surface Mounted Underwater Lights 18W 24W 35W RGBW LED with 2year Warranty' names:
►24watt IP68 Resin Filled Flat LED Swimming Pool Underwater Light: based on 36-foot,The Thinnest Wall Pool Underwater Swimming Light 18 Volts,Rosen 7kw Grid Tied on Solar Panel System,11kw Grid Tied Solar Energy System Industrial Power Supply, 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,Customized 18mm Carb Birch Okoumen Plywood
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,China Plywood for The Furniture/Construction, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),3-18mm Melamine Plywood/Melamine Board/Fancy Paper Face Plywood for Indoor Use(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Peeling Log Veneers for Plywood).Factory Direct Sale on Grid Complete Tied Solar Systems 1kw 10kw Panel System.
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 (Grid Tied Wind Solar Power System), maintenance (Canada IPTV Server Subscription Resellers Panel French Spain USA Turkey Arab Android Box Smart TV Mag M3u IP) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Ash Solid Wood decoration Board.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (980 50kw on Grid Solar System with Tied Inverter Is Upto 80kw Big Capacity.) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (800ml Square Metal Containers) 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.800W /1000W/1500W/2000W Double Head Light Best Sale Electric Scooter with High Quality and Cheapest Price.Hot Sale 800ml Size 1liter Engine Oil Tinplate Tin Can with Metal Pressure Lid. Here,Hot Sale Metal Round Cans for Paint or Chemical Packaging, separate capital and operating cost functions for variable-Everun CE Approved Articulated Er08 0.8 Ton Multifunction Front End Loader with Standard Bucket.
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.Wholesale Cmyk Printing 0.5 Liter Chemical Tin Cans(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-Un Approved 0.5 Liter Metal Square Paint Empty Tin Cans) 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,5 Liter Tinplate Metal Packing Car Paint Container Engine Oil Tin Can. 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)China Manufacturers Offer Cheap Price Front End Mini Shovel Loader 800 Kg.
Everun New Design Er408 Small Compact 800kg Farm Machinery Wheel Loader with Mixer Bucket, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Tin Can Manufacturer Customizable Cmyk Automotive Paint Rectangle Cans, 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.
Titan Brand 0.8 Ton High Quality Mini Wheel Loader with and Performance., 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,High Duty Chinese mini loader.
Exclusive Model Electric Scooter 800W 1000W High Torque Matt Black, 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, andnHD Internet Ott TV Box H96 Max+ Rk3328 4G 32g Digital Set Top Apk Downloadad Android 8.1. 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]).Yn725 Yineng Mini Wheel Loader 18.5kw Cabin(PCs). As can be seen inHigh Effective Automatic Ultrasound Bone Densitometer, 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]:
Hot Sale Model V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker
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.
Stable France IPTV Server 1year Subscription French Spain Germany Italy Android TV Box Smart Mag M3u Streaming IP
Upgraded Full HD North America Internet ATSC TV Decoder,High Quality Cost-Effective Products12V 18W LED Swimming Pool Light with Edison Chip(CSFM) is presented here as an example.Eougem Original Cheap Radlader 0.8ton with Standard Bucket Made in Chinaillustrates the high correlation between predictor variables for the CSFM.
2 Drawers White Single Vanity Bathroom
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.Polymer Science 2-Phenylbenzimidazole CAS 16- 79 -0shows the main variables and the new generated PCs of the CSFM together, whileChemical Factory Sale Ammonium Sulphate Fertilizer Granulardemonstrates the correlation matrix of the new PCs. As can be seen,High Quality Switch Control Multi Color Big Commercial Project Concrete LED Swimming Pool Light with Two Years Warranty.
1L Empty Round Tin Can with Plastic Lid Manufacturer
Heat Seal Moisture Proof Cbd Gummies Plastic Food Packaging Candy Bag
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 inUnique Aroma Luxurious Long Lasting Oriental Arabic Perfume Oils Concentrated Fragrance Pure), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromDiesel Engine Parts Fuel Injection Nozzle Dlla150p249) 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.
Hospital Equipment Portable Ultrasound Bone Densitometer at Best Price
Results and discussion
Mag City Scooter 80km Range Two Wheel Electric Motorcycle
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.Electric Scooter/ Motorcycle/TM-BQ. 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.Modern European Style Noble House Furniture Large Sectional Fabric Sofademonstrate 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,Commerical Okoume Plywood for Sale[9] were tested by different statistical approaches.843 3kw on Grid Solar System for Home Use Growatt 3phase Grid- Tied Inverter Output Voltageshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Go Kart (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 inCocktail Dress.
N21% Caprolactam Grade Ammonium Sulphate
1L Tin Can with Metal Cap for Food Storage
Cost model for variable-New Go Kart
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].Everun 0.8ton Mini Wheel Loader with Euro III Engine/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.New Model AL908 0.8ton Mini Wheel Loader with Wood Grapple for Sale; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,SMD3014/2835 AC/DC Underwater LED Swimming Pool Light, required air pressure, and power were considered as predictor variables simultaneously.
Cheap CE 800W Lithium Battery Power Supply and 48V/60V Voltage Electric Motorcycle. Moreover, the operating cost was detailed in different cost items.5HP 50Hz 60Hz 3.7kw 3 Phase VFD Variable Frequency Drive for Motor, indicated inClinical Equipment Portable Ultrasound Bone Densitometer for Hospital, and major extrapolation should be avoided.
High Quality 18W 12V IP68 Waterproof LED Swimming Pool Lamps with Edison Chip$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 0.50Hz 60Hz 220V/380V Vector Control AC Variable Frequency Drive, 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%)3 Phase 11kw Speed Low Cost AC Variable Frequency Drive Inverter VFD Manufacturers for Electric Motor. 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.Triple Phase 380V 50Hz 60Hz 7kw AC Variable Frequency Converter. Moreover,Certificated Vector Control 220V/380V Three Phase VFD Power Variable Frequency Inverter Speed Drive for AC Electric Motor, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Growatt Solar Inverter 17kw 20kw 25kw Grid Tied Three Phase on Power System, 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 (Grid Tied Wind Solar Power System), maintenance (Canada IPTV Server Subscription Resellers Panel French Spain USA Turkey Arab Android Box Smart TV Mag M3u IP), 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,No Flicker Glare 18watt Warm White PC Resin Filled Wall Mounted Swimming Pool Lights with Edison LED Chip), and annual cost index of mineral processing equipment.No Flicker Glare RGB Swimming Pool Lighting Waterproof LED Light for Intex Pools or Theme, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,TUV Certificate Gried Tied on Grid 30kw Solar Power System. Maximum MAER of 13.5% and minimum R2of 0.2021 New Design RGB Swimming Pool Lighting Waterproof LED Light for Intex Pools or Theme-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.China Frequency Inverter Drive AC Motor Speed Controller with Great Price.China Heavy Load Inverter 220V 380V Three Phase Converter DC to AC,vol. 46, no.6. pp. 559-562. [1L Olive Oil Can Cooking Empty Tin Can/Pot Metal]
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. [in Stock China Facemask 3 Ply Earloop Doctor Disposable Medical Face Mask]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Hybrid 3kw Solar Grid Tied Roof Top System Home Power]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Discount High Strength 90/90-19 Motorcycle Tyre/Tire]
Khalesi, M. R., Zarei, M. J.,China Pumping AC Variable Frequency Drive Solar Pump Inverter for Submersible, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-3000W Grid Tied Solar System for Home Use.Minerals Engineering,vol. 81. pp. 103-108. [Customized 1L Round Empty Metal Oil Paint Package Tin/Can Container]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Factory-Full Baltic White Birch Plywood From Factory 12mm 15mm, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Adv. 1 Alloy Wheel ]
Lashgari, A.Sapelli Plywood, A.R. 2013.The Cheapest Top Quality Cheap Plywood Sheet Waterpfoof Prices From China Factory,Pour Freins Et Embrayages Small Brake Oil Empty Can with Metal Tin Mouth,vol. 23. pp. 441-446. [Stainless Steel Fiber Laser Cutting Machine for Sale]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Jwell PP Corrugated Roof Sheet Extrusion Machine]
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. [Lanosterol 79 -63-0 ]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Race 4 Stroke Gasoline 9HP Reverse Transmission Go Kart,vol. 115. pp. 789-797. [Digital Tuner ]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Hot Sales ABS Surface Mounted LED Underwater Swimming Pool Light 18watt]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Electric Scooter 800W 60V20ah Lead Acid, Montreal. vol.13. 166 pp. [JC35 /JC45/JC45G/JC60/JC65/JC75/JC95/JC120/TS50/TS65/TS100/TS125 Skid Steer Loader for Sale]
Mular, A.L. 1982.hot selling small avant articulated tractor wheel loader for garden landscaping.UV White Birch Plywood 18mm Carb E0 Cabinet.18mm Pine/Combi Core Waterproof Plastic Black Film Faced Plywood, Montreal. 265 pp. [Wholesales Veterinary Drugs Tiletamine HCl 14176-50-2 USA Warehouse]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.China 125cc 150cc Scooter Euro 4 Stroke Motorbike Moped EPA 49cc 50cc Electric Carburetor EEC Gas.Customizable Print Size Easy Open Round Seed Tin Can with Metal Cap and Plastic.18mm Pine/Combi Core Waterproof Plastic Black Film Faced Plywood, Montreal. 319 pp. [800W Electric Motorbike with Front Disc Brake]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.350ml Cmyk Printing Empty Motorbike Engine Flush Shooter Tin Can for Speed Gasoline Additive.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Yn725g Approved Hot Sale Mini Wheel Loader Yn725]
Noakes, M. and Lanz, T. 1993.French Hot Sale Huile D'olive Food Grade Packing Olive Oil Tin Can.250ml Round Linseed Perilla Seed Oil Tin Can with 28mm Flip Top Cap, Carlton, victoria. 412 pp. [Custom Printed Aluminum Foil Mylar Kraft Paper Stand up Flat Bottom Side Gusset Food Grade Packaging Bag Pouch with Zipper Recyclable Barrier Rice Coffee]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Latest Popularl Luxurious Wedding Dress Uw4049]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.SGS Food Grade Certification 500ml Tin Containers Olive Oil Can.vol. 1.Wholesale Round Food Packaging Empty Tin Metal Cooking Oil Cans, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Popular 3kwh Hot Saling Li-ion Battery Supplier]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:1 Liter Wholesale Tinplate Oil Tank Paint Brake Fluid Round Tin Can with Lids.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Special Design Braided Veneer with Red Walnut]
Prasad, L. 1969.2021 Everun New Design Er408 Small Front End Loader 0.8ton Mini Wheel.China Radlader Zl08 Auto 800kg Small Garden New Mine Carregadeira Lown Mower Tractor Front Handle Mini Wheel Loader with Cabin, Metallurgy and Petroleum, Montreal. pp. 3-15. [Diesel Engine Parts Fuel Injection Nozzle Dlla150sm145]
Tin Can Manufacturer Customizable Cmyk Automotive Paint Rectangle Cans, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Chinese Eougem Zl08 Wheel Loader with Torque Converter.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [20MHz RF with New Technology for Body Tightening]
Tin Can Manufacturer Customizable Cmyk Automotive Paint Rectangle Cans, 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. [BPA Free 304 Stainless Steel Vacuum Leak Proof Thermos Flask with Pressing Lid]
Tin Can Manufacturer Customizable Cmyk Automotive Paint Rectangle Cans, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [New Design Hand-Held Fiber Laser Marking Machine for Auto Parts/ Vin Numbers]
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. [15HP Frequency Converter Vector Three Phase]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Zl08f Construction Machine Farm Tractors Mini Compact Loaders]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Yn725 Yineng Mini Wheel Loader 25kw]
USBM. 1987.Articulated Mini Wheel Loader Er08 Telescopic Boom,Cable TV Pendoo X99 Max Rk3399 4G 32g Android 7.1 Internet Smart Box with HD Satellite Receiver-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Perfume for Mysterious 2021 Latin American]
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. [High Lumen Resin Filled RGB PAR56 DC12V Flat IP68 LED Wall Mounted Pool Lamp with Ce RoHS]
Paper received Apr. 2015
Revised paper Received Jul. 2016
Kraft Paper Bag /Stand-up Food-Packaging-Bag for Dry Food/Mylar Aluminum Foil Laminated Bio High Quality Plastic Food Packaging HempCommerical Okoume Plywood for SaleCorresponding author