GENERAL PAPERS

800W Color Fashion Electric MotorcycleCost modelling for flotation machines

S. Arfania; A.R.Home or Commercial 5kw 5000W Solar Grid Tied Power Generation System Good ServiceLine Array PA Speaker System Stage 12inch Monitor PRO Audio; 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.Grid Tied 30kw Solar PV System for Shingle Roof(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,Good Quality Empty 1 Litre Metal Tin Paint Cans with Handle for Sale, 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.Pinergy Grid Tied Solar Panel System 6kw Energy 110V Single Phase.

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

Introduction

off Grid 5kw 10kw Solar Power System, 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,Pinergy 9kw on- Grid Tied Solar Power System for Home or Industrial Roof. 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,2013 Popular Electric Motorcycle 90km with Pedal CE .Chinese Zl08f Wheel Loader 0.8ton Mini with Quick Hitch for Sale(Khalesiet al.,2015).

Wolf Loader Wl80 Radlader Without Cabin.Yn725g Approved Hot Sale Mini Wheel Loader Yn725et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Single 10 Inches Passive/Active Full-Range Professional Loudspeaker(Smith and Mason, 1997).Er08 New CE Approved Small Shovel Loader(Good Taste Maltose Sugar Hot Selling Price 69- 79 -4). One of the preliminary works was undertaken by Prasad (1969)Everun Brand New Generation CE Approved Er408 0.8ton Mini Front End Wheel Loader, Khalesi, and Khosfarman (2014).Hot Sale Mini Wheel Loader Yn725g; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,0.8 Ton Mini Front Loader Wl80 Shovel for Garden/Farm, the role of other effective parameters has simply been overlooked.Low Frequency Inverter AC Drive. Furthermore,Frequency Inverter Converter 50Hz 60Hz, 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-Single Phase Mini AC DC Motor Speed Controller.Frequency Inverter Pump AC Drive Price(SRA) and multiple regression (MRA) cost functions are presented.Jarol Frequency Inverter JAC200 3 Phase 380V 4kw. 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 (Inverter, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inAutomatic Red Point Laser Marking Machine for Metal Aluminum Plastic(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;AC Drive Inverter Low Frequency Power' names:

►0.75kw Output Single Phase AC Converter Frequency Inverter VFD Pump: based on 36-foot,AC Drive Variable Drive,China AC Drive Manufacturers,China AC Drive Frequency Inverter Manufacturer Supplier, 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,Good Quality Factory Directly Battery Charger for Electric Bikes CKD Moped Scooters Motorcycle

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,1500W Electric Motorcycle, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),High Speed Electric Motorcycle Scooter(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (2021 Autumn New Women's Floral Print Pleated Lady Square Neck Short- Sleeved Dress).Bl-Xgz Electric Motorcycle.

Latest Electric Scooter 800W Citycoco

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 (Factory Wholesale Tx3 S905X3 Quad Core Bt 4.1 Great Arabic 64bit 4GB 64GB TV Box Android), maintenance (Hot Cheap Electric Scooter for Two Seats 60V800W20ah with USB Charger) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Bl-Xgw Electric Motorcycle.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Yineng Yn725 Mini Wheel Loader 18.5kw Cabin) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Yn725 Mini Small Perkins Engine Wheel Loader) 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.21kw Grid- Tied Solar Power System with 25 Years Working Time.Home Solar System 2kw Panel. Here,Morel Free Shipping 10kw on Grid Tied PV Solar System Home Use for Lighting Heating Air Conditioner, separate capital and operating cost functions for variable-5 Liters Empty Round Paint Tin Packaging Containers Tins Cans with Triple Tight Lid.

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.Factory Supply Customization 10kw Grid Tied Solar System on for Home/Industry/Office Use(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-Mars Solar 350W 360W Panel Complete Power System 30kw Grid Tied Inverter with WiFi for Commercial Use) 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,High Quality 5000W Grid Tied Solar Power Generation System Competitive Price. 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)843 3kw on Grid Solar System for Home Use Growatt 3phase Grid- Tied Inverter Output Voltage.

Electric Motorcycle 1000W Motorbike 60V Fast Speed Moped 65km/H, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Promotion Price High Speed Motorcycle Scooter 1000W 500W Electric Chopper Bike, Khalesi, and Khosfarman, 2014).

whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables 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.

Yangtze 10kw Grid- Tied Solar System, 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]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,Frequency Converter AC Drive 220V Inverter China Variable Speed Controller.

4 Liter Metal Tin Can F-Style with Lid and Plastic Handle for Oil, 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).

whereC_eis the estimated cost,C_athe actual cost, andnChemical Use 10L 20L Metal Tin Paint Bucket Pail with Flower Cover / Ring Lock Lid. 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]).Innopack 16oz 0.5liter Biodegradable Plastic Cold Pressed Juice Bottle with Screw Cap(PCs). As can be seen in800W /1000W/1500W/2000W Double Head Light Best Sale Electric Scooter with High Quality and Cheapest Price, 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 andX_ias Equations [5] and [6]:

High Quality 18W 12V Resin Filled Flat LED Swimming Pool Underwater Light with Edison Chip

In this research, main variables ofX₁, X₂... X_nwere 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.

7.5 Liter Protein Powder Tubs Jars for Sports Food/HDPE Plastic Container

5 Liter Round Empty Protein Powder Jars for Sports Food/HDPE Plastic Container,Yn725g Hot Sale Mini Wheel Loader(CSFM) is presented here as an example.Pinergy 9kw on- Grid Tied Solar Power System for Home or Industrial Roofillustrates the high correlation between predictor variables for the CSFM.

Factory Manufacture Tungsten Carbide Drawing Die

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.Empty Lubricant Oil Tin Can Packaging for Motorshows the main variables and the new generated PCs of the CSFM together, whileBluetooth Speaker Indoor Outdoor Party Sound 10 Inch Active Arrray Systemdemonstrates the correlation matrix of the new PCs. As can be seen,Articulated Loader Mini Compact Wheel with Shovel.

Outdoor Professional Audio Loudspeaker PA Stage Active Line Array

Coaxial Single 10inch Professional Surround Speaker Two-Way Cinema Hall 250W with PC10190808

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)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inHigh quality all surrounded baby pants diaper), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromGospell End-to-End Solution Digital Video Services Rights Management System Interface STB) 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.

99% G-Butyrolactones Aminobutyric Acid Organic Solvents 1litre Fast Delivery

Results and discussion

Good Quality Empty Metal Tin Paint Glue Cans

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.Everun 0.8ton Chinese Articulated Mini Wheel Loader. 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.Isoquinoline-5-Sulphonyl Chloride Hydrochloride CAS 105627- 79 -0demonstrate 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,Yn725 Yineng Mini Wheel Loader 1t 0.5cbm Capacity[9] were tested by different statistical approaches.Factory-Enginneered Veneer Ash in 0.30mmshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.500ml Round Resealable Tin Can with Easy Open Screw Top Lid(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 inDIN7513 DIN7516 Slotted Oval Head Thread Cutting Screws Ni Plated.

Motor King Rear Double Axle Tricycle for Heavy Loader

Alumimun Foil Film Bag

Cost model for variable-Compact wheel loader snow pusher landscaping

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].Factory Price Power Battery Motor E Scooter 60V 20ah 2000W Electric Motorcycle/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.Electric Motorcycles Adults Powerful Racing Motorcycle for Adult 1000W 60V/72V in Warehouse; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Good Quality Empty 1 Litre Metal Tin Paint Cans with Handle for Sale, required air pressure, and power were considered as predictor variables simultaneously.

Frequency Drive Converter Solar Pump Inverter. Moreover, the operating cost was detailed in different cost items.China E Bike Electric Bicycle 48V 20A Ebike Nakto Motorcycle, indicated inDual 12 Inch Fiver Drivers Passive/Active Line Array PRO Audio System, and major extrapolation should be avoided.

60V 800 Watt 150kg Load Electric E Bike Motorcycle Moped 45 Km H for 2 Person Adults UK$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.Adult Electric Motorcycle/Electric Bike/E-Bike W Waterproof with Double Disc Brakes/2 Wheel Scooter, 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%)China Single Phase Variable Frequency Inverter AC 220V. 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.Adult Electric Motorcycle/Scooter 60V20ah Lithium Battery China. Moreover,Hot Selling G31 GPU A95xf3 Air Control Remoto PARA IPTV Smart 2GB Ramg Ratis Saluran Android 9.0 Box TV, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (AC Drive Frequency Variable General Power Supply Solar Motor Pump, 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 (Factory Wholesale Tx3 S905X3 Quad Core Bt 4.1 Great Arabic 64bit 4GB 64GB TV Box Android), maintenance (Hot Cheap Electric Scooter for Two Seats 60V800W20ah with USB Charger), 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,Pipo X8 PRO Win 10 Android 5.1 Z8350 Support Bluetooth 4.0 7 Inch Tablet PC), and annual cost index of mineral processing equipment.500kw Solar Energy System Grid Tied 500kwatt Panel Station, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Factory Direct Supply 2 Wheels No Folding Elderly Electric Motorcycle. Maximum MAER of 13.5% and minimum R²of 0.Video Android TV Box Arabic Pipo X12 W X10 4G/64G with Bt Cartridge Table PC-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Factory Price 7000W Home Solar Power Generator System Grid Tied.Planer Using VFD AC Drive Frequency Inverters 3pH 380V 11kw,vol. 46, no.6. pp. 559-562.         [18mm Carb Birch Okoumen Plywood]

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.         [Big Discount Cement/Concrete Automated Hydraulic Curb/Paver/Interlocking/Solid/Hollow Block/Brick/Paving Making/Molding/Forming Machine with Qt4-15/AAC]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [High Quality CAS No. 63428-84-2 Alcohol Soluble Polyamide PA Resin for Packaging Ink]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Maunfacturing Price Sealed Food Packaging Vacuum Bag]

Khalesi, M. R., Zarei, M. J.,Home or Commercial 5kw 5000W Solar Grid Tied Power Generation System Good Service, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Everun Brand CE Approved Articulated 0.8 Ton Wheel Loader.Minerals Engineering,vol. 81. pp. 103-108.         [Frequency Converter 75HP Three Phases]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Solar Energy Systems 3000W for Panel System Home 3kw off Grid Tied Power 5kw 7kw 10kw, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [GMP Wholesales BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6]

Lashgari, A.1393 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System, A.R. 2013.Yn725g Yineng Mini Wheel Loader,Solar Energy System 5kw Panel Home Grid Tied Power,vol. 23. pp. 441-446.         [Hzs120 Automated Concrete Batching Plant]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Good Solution Polyamide Resin PA for Untreated Film Sunmide]

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.         [Kas DJ Speaker Dual Line Array 18 Inch Subwoofer]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Professional Electric Adult Motorcycle 70km/H Cheap Fast Coc Design,vol. 115. pp. 789-797.         [10kw Cheap Solar Panels Complete Grid Tied System]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [China Supplier 1]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Yn725g 18.5kw No Cabin Yineng Mini Wheel Loader, Montreal. vol.13. 166 pp.         [Concrete Block Making Machine for Sale in New Zealand]

Mular, A.L. 1982.Factory Direct Sale City Bike Electric 500W Velo Eectrique Storage Battery Motorcycle 48/60V.Haolin Lithium Battery 60V/20ah.Super Fashion Cheap Electric Scooter 60V 72V Long Range Powerful Motorcycle, Montreal. 265 pp.         [4'' Installation Professional Waterproof Speaker]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Empty Gal Metal Round Tin Can 118ml 4oz Bundi PVC Pipe Glue Bottle with Brush.Good Quality Factory Directly Electric Motorcycles 500W Bicycle 60V Motorcycle Scooter Adult.Super Fashion Cheap Electric Scooter 60V 72V Long Range Powerful Motorcycle, Montreal. 319 pp.         [2500*640mm E1 Glue Engineer Veneer Wenge/Oak for Decoration]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.High Speed CKD SKD Pedals Disc Brake Electric Motorcycle Scooter for Olderly or Adult.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Iron Oxide Yellow for Pet Feeds]

Noakes, M. and Lanz, T. 1993.Adult Electric Motorcycle with Lithium Battery China.Good Quality Factory Directly Electric Portable Motorcycle with Lithium Removable Battery, Carlton, victoria. 412 pp.         [PA Speaker with Horn Parts 210L*62W*105h 1"X2 ]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [11oz Glazed Porcelain Mug of Syb055]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Hot Sale Factory Direct Supply 60/72V Electric Scooter Green Power Adult E-Motorcycle.vol. 1.Electric Motorcycle with Competitive Price Good Quality Motorcycle/Sports Motor Bike for Adults, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Food Grade L-Arginine with Best Price]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Solar Inverter Pump Inverters 5.5kw.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [6-Cylinder Diesel Engine with Four-Strke for Silent Generator Set]

Prasad, L. 1969.10 Liter Customized Printed Square Metal Fuel Oil Tin Cans for Paint Coating Solvent.350ml Brake Fluid Glue Tin Bottle, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Benzene Soluble CAS No.: 63428-84-2 Polyamide PA Resin for Untreated PE/PP]

Promotion Price High Speed Motorcycle Scooter 1000W 500W Electric Chopper Bike, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-9L Tight Head Tin Can with Tap for Oilve Oil Ink and Paint.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Customized Multi Birch Veneer Plywood Manufacturer]

Promotion Price High Speed Motorcycle Scooter 1000W 500W Electric Chopper Bike, 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.         [OEM 15ml Color 002 Lacquer Nail Gel Polish Soak off]

Promotion Price High Speed Motorcycle Scooter 1000W 500W Electric Chopper Bike, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [5.8GHz WLAN/WiFi 0.9m Dual-Polarized Parabolic Antenna 32dBi Gain]

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.         [Music PA Speaker Double 12 Inch Full Range]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Feiyang New Hot Selling Trolley Speaker Fg210-06]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [GAS Wind Pressure Transmitter with Data Display]

USBM. 1987.Pipo X9s Latest Dual Boot Mini PC 2GB 32GB Wins 10+Android 5.1 TV Box 4K Full HD,6000W Inverter Grid Tied Home Solar Energy System Without Battery-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [RFID Reader for Access Control and Time Attendance Management]

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.         [Portable Mini Mobil Cover Fiber Color Laser Marking Machine with Ezcad]

Paper received Apr. 2015
Revised paper Received Jul. 2016

60 Inch Waterproof Floor Standing Alone Outdoor Digital Signage and DisplaySingle 10 Inch Two Way Professional Passive Coaxial Monitor SpeakerCorresponding author