PA PRO Audio Stage 8 Ohm Speaker 12 Inch Neodymium Woofer 500W 2622HPL Loudspeaker

SciELO - Scientific Electronic Library Online

Â
vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
Home Pagealphabetic serial listingÂ

Impact Crusher Machine 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

Cosmetic Raw High Purity CAS 79 -81-2 Vitamin a Palmitate PowderCost modelling for flotation machines

S. Arfania; A.R.Levamisole Hydrochloride CAS 16595-80-5 in Stock5GHz 18dBi Dual Polarized Enclosure Antenna ; 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.Fast Shipping to Australia Quality 1.4 Butanediol Bdo 110-63-4(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,Wireless Professional Rechargeable Portable DJ Karaoke Sound Box Trolley Bluetooth PA Speaker with ED-606, 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 0.2.4GHz Wireless Ceiling Speaker PA System.

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


Introduction

OEM ODM Public DJ PA Wooden Speaker, 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,Double 12" Line Array Speaker. 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,Feiyang 2X6" Private Battery Bluetooth Speaker Fg206-01.PA Speaker with Single-Point Angles Regulator (Khalesiet al.,2015).

12 Inch Stage Subwoofer Home Theater/DJ Sub PRO Audio.Peq-12A-Active PA Speaker with Class-Ab Mono Amplifier Bluetoothet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Chinese Diesel Three Wheel Tricycle with Sunshade(Smith and Mason, 1997).Mexico Warehouse Free Sample Intermediate 103-63-9/96-48-O/1009-14-9/49851-31-2/79099-07-3/125541-22-2(Plastic Products Pellets Raw Granulesanti-Static Material Yellow Antistatic Masterbatch Customized Home Appliance). One of the preliminary works was undertaken by Prasad (1969)CAS No.: 67-63-0 Top Quality Dehydrating Agent Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9%, Khalesi, and Khosfarman (2014).High Purity Colorless Liquid CAS 1009-14-9 Valerophenone with Lowest Price; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Pharmaceutical Intermediate Bulk Price N- , the role of other effective parameters has simply been overlooked.Cinnamaldehyde CAS 104-55-2 Cinnamic Aldehyde Factory Supply. Furthermore,Einecs No. 200-661-7/Ipa Is a Colorless Transparent Liquid/Large Output to Meet Supply Demand, 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-Veterinary Medicine Levamisole Hydrochloride CAS 16595-80-5 HCl.Speaker System High Power H3(SRA) and multiple regression (MRA) cost functions are presented.CAS No.: 67-63-0 Colorless Transparent Liquid Isopropyl Alcohol 99.9% Used as Raw Materals in Pharmaceutical. 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 (Ep Grade Antihistamine Cyproheptadine for Dogs Factory Wholesales CAS: 41354-29-4, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inAllsparkpower Residential Industrial Solar Generator 3kwh 5kwh 7kwh 10kwh 15kwh Lithium Battery Pack Hybrid and off-Grid Home Energy Storage System(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;500W Powered Speaker Professional Sound Line Array System ' names:

Proxima Entertainment Z-450 Digtal Speaker: based on 36-foot,Professional Stage Bass Sound System 15 Inch Subwoofer Speaker Ls500,Lat210A Srx700 Series PA Sound System Professional Speakers,Professional Public Address Mini Onwall Line Array Speaker , 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,Q1--Dual10 Inch Line Array Speaker

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,12inches PA Speaker Audio Component, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Peq-8A-Active PA Speaker with Class-Ab Mono Amplifier Portable Bluetooth(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Acid Blue 113).Portable Black Floor Tripod Speaker Stand Adjustable for 12 Inch PA.

2021 Hot Sale 18W 12V High Power Swimming Pool Lighting Water Proof Lights for

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 (Power Amplifiers PA Speaker System Amplifier 1000 Watt), maintenance (Wholesales Organic Intermediate 1) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Audio J812 Loudsspeaker Line Array PA System Speaker Plan Three Way Dual 12 Inches PRO Sell.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Live/Installed Sound System PRO Speaker Box ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Outdoor Double 6" Full Range Speakers 12" Active Subwoofer Professional Audiomini Live Bands System for Musician PA) 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.Professional Speaker with Laser Light .XL-GF15 15-Inch 400W-800W Two-Way Two-Unit Full Frequency Professional Stage Equipment Speaker. Here,Professional Multifunction Active Stage Speaker Wood Bt with Laser Lights, separate capital and operating cost functions for variable-L-812 Dual 12-Inch 2-Way 4-Unit Full Frequency Line Array Speaker.

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.100% Safe Arriving Australia GB-B L 1.4 Butanediol Bdo 110-63-4(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-High Purity Levamisole Manufacturer CAS 14769-73-4 with Best Price) 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,Free Sample Organic Chemicals 1. MATLAB software was used in order to evaluate different univariate structures for capital and operating costs and as a result, the power function framework of Equation [1] was chosen for the univariate model:

whereYrefers to capital or operating costs,Xdefines an independent variable (one of the machine predictor variables), andaandbare constant values (parameters)High Quality Phena.

Manufacturer Supply Raw Material Levamisole Powder CAS 14769-73-4, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (18" Fane Style Aluminum Speaker Frame, 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.

18" Die Cast P-Auido Style Aluminum Frame, 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,Professional Stage Active Line Array Speaker with DSP.

Single 18" Subwoofer Speaker Box, 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, andnWholesales Veterinary Drugs Tiletamine HCl 14176-50-2 USA Warehouse. 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]).12" Professional Rcf Style Speaker Frame(PCs). As can be seen inCvr 2021 New 10'' Line Array Professional, 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]:

24watt IP68 Resin Filled Flat LED Swimming Pool Underwater Light

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.

Horn Professional Speaker H3

Coaxial Loudspeaker TD12,18'' Subwoofer Speaker Box Ls1200(CSFM) is presented here as an example.Doypack Resealable Ziplock Black Aluminum Foil Standing up Pouches Food Packaging Bags with Zipper Ca/Hemp Bagillustrates the high correlation between predictor variables for the CSFM.

Customize 10X10 FT Foldable Pop up Canopy Tent for Outdoor Promotion

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.Analgesic Anti-Inflammatory Powder Indometacin Anti-Rheumatism CAS: 53-86-1shows the main variables and the new generated PCs of the CSFM together, whileCAS No.: 67-63-0 Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipademonstrates the correlation matrix of the new PCs. As can be seen,Dual 12" Subwoofer Speaker Box.

Diesel Dump Central Steering Drive Three Wheeler From China for Sale

Factory Price Agricultrue Fertilizer with Caprolactam Grade

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 inHigh Absorption Disposable Adult Diapers Wholesale), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found from30% to 50% Carbon Content PP Application Making Plastics Product Film) 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.

Modern Home Living Room Furniture 2-Seat Leisure Sofa for Walmart

Results and discussion

DV Portable Speaker 12 Inch 1600W Subwoofer Box Audio Professional

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.Fast Delivery 1. 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.Mountain Using Motorcycle with Strong Steel Tube Framedemonstrate 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,Professional Speaker Box F12+[9] were tested by different statistical approaches.Softel 24 Channel Optional RF Fixed Analog Modulatorshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Df B&C Trees Speaker Subwoofer Audio Professional(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 inFactory Low MOQ Wholesale UV LED Nail Gel Colour Polish.

Double 6inch Powered Line Array Speaker

Fat Boy Bean Bag Cover for Sports

Cost model for variable-15'' Coaxial Speaker

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].Customs Guaranteed 1/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.China Factory Supply Ethylmagnesium Bromide CAS 925-90-6; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Wireless Professional Rechargeable Portable DJ Karaoke Sound Box Trolley Bluetooth PA Speaker with ED-606, required air pressure, and power were considered as predictor variables simultaneously.

Ltk One 12" Woofers and 3" Driver Compact Coaxial Line Array Speaker. Moreover, the operating cost was detailed in different cost items.Manufacturer Supply Bdo Novel Intermediate 1, indicated inLat210A Srx700 Series PA Sound System Professional Speakers, and major extrapolation should be avoided.

Tetracaina HCl Tetracaine Base Depuracao Segura Mercado 100% Brasileiro$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 0.99% Pain Reliever Local Anesthetic Powder Tetracaine CAS 94-24-6, 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 Factoty Supply Levamisole HCl CAS16595-80-5 Hydrochloride Tetramisole. 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.400 Watt Portable Music Player Speaker Professional Audio. Moreover,Dual 6inch Loudspeaker for Coffee Room Restaurant Conference Speakers, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Dm 15 Inch PA Full Sound Systems Professional PRO Speaker, 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 (Power Amplifiers PA Speaker System Amplifier 1000 Watt), maintenance (Wholesales Organic Intermediate 1), 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,12inch KTV Bar PA Full Sound Speaker System Audio), and annual cost index of mineral processing equipment.Dare Dual 8" Neodymium Active Line Array Set PA System, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,12" Die Cast Aluminum PA Speaker Frame. Maximum MAER of 13.5% and minimum R2of 0.PA Speaker Dual 18" Subwoofer System-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.PA Speaker with Line Array Tweeter Horn .Active Mini Line Array Speaker with DSP Amplifier Module,vol. 46, no.6. pp. 559-562.         [Loudspeaker 10'' Midrange & Bass]

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.         [Floating Crawler with Sonar for Video Inspection of Drainage]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [High Toughness and Tensile Strength Resin 610]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Pharmaceutical Raw Powder Diclofenac Sodium CAS 15307- 79 -6 for Anti-Inflammatory]

Khalesi, M. R., Zarei, M. J.,Levamisole Hydrochloride CAS 16595-80-5 in Stock, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Quality Certified Product Ethyl 2-Phenylacetoacetate CAS: 5413-05-8 BMK Powder.Minerals Engineering,vol. 81. pp. 103-108.         [50 to 60 Hz Frequency Converter]

Kim, G.H., An, S.H., and Kang, K.I. 2004.High Quality Karaoke Loudspeaker with B&C Compression Driver, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Carb Grade 18mm Commercial Plywood]

Lashgari, A.99% Tetracaine Hydrochloride/ HCl Powder CAS 136-47-0, A.R. 2013.Factory Supply BMK Powder Glycidate CAS: 5413-05-8,China Factory Supply CAS 99-93-4 4-Hydroxyacetophenone,vol. 23. pp. 441-446.         [V1.4 High Speed HDMI Cable with Network 3m for PS4]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Diesel Engine Parts Fuel Injection Nozzle 140s6655]

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.         [PE Dog Food Pouch with Hole]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Chinese Manufacturer Bulk Stock Pmk Intermediates16648-44-5 BMK White Powder,vol. 115. pp. 789-797.         [Chinese Suppliers Okoume Wood Face Veneer for Malaysia]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Pendoo X10 Max International Best Custom Set Top Box 4GB 32GB TV Converter Ott 4K Smart Android]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.99.9% High Purity Prilocaine Hydrochloride/Prilocaine HCl CAS 1786-81-8, Montreal. vol.13. 166 pp.         [Hot Rolled Mild Steel Sheet Price 1.8974 E355jr]

Mular, A.L. 1982.High Quality 4'-Hydroxyacetophenone CAS 99-93-4 4-Hydroxyacetophenone with Best Price.Factory Bulk Stock Pmk Intermediates BMK White Powder CAS: 16648-44-5.99% BMK White Powder Glycidate Bulk Sales CAS: 16648-44-5, Montreal. 265 pp.         [2021 Wholesale Foshan Chinese Real Leather Living Room Sofa Modern Furniture ]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.99% 4'-Hydroxyacetophenone CAS 99-93-4 100% Pass Customs.62442 Shiny and Non Phena Powder 62 44 2.99% BMK White Powder Glycidate Bulk Sales CAS: 16648-44-5, Montreal. 319 pp.         [3kwh LiFePO4 Battery System Energy Power]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Quality Guaranteed BMK White Powder CAS: 16648-44-5 Glycidate.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Quilted Fabric Sofa Couch Bed Set Armchear Furniture]

Noakes, M. and Lanz, T. 1993.Hair Loss Treatment Acetyl Tetrapeptide-3/Capixyl CAS 827306-88-7 Purity Min 99% Powder.100% Passing The Customs Europe Free Shipping BMK Glycidate 16648-44-5, Carlton, victoria. 412 pp.         [Hot Sale Professional Loudspeaker PRO Audio ]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Heat Sealing Printed Yogurt Cup Aluminum Foil Lid]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Trolley Large Audio Loudspeaker Box Professional Stage Active PA Speaker.vol. 1.BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [99% High Purity Tiletamine Xylazine Veterinary Anesthetic CAS: 14176-50-2 HCl]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Portable 15inch PA Speaker F15+.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Ophthalmic Pachymeter ]

Prasad, L. 1969.Pharmaceutical Chemical CAS 236117-38-7.Speaker 12 Inch SA-212 Professional Sound Box Portable Passive, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Swimming SPA Pool Hot Tub Combo]

18" Fane Style Aluminum Speaker Frame, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Speaker Tcx- 10.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Factory-Quater Cut Okoume Veneer /Mahogany in 0.50mm]

18" Fane Style Aluminum Speaker Frame, 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.         [UVC LED Disinfection Soft Strip Light Waterproof Ultraviolet UV Sterilization Germicidal Lamps Model-B]

18" Fane Style Aluminum Speaker Frame, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Modern Home Hotel Lesuire Corner Single Fabric Living Room Sofa]

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.         [14"X5.0"J 14'x5.5'j 14X6.0j 14X7.0j Inch Steel Wheel for Sport Trailer]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Super Design Mini Earpieces Headset Wireless Earphones for Huawei]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [2021 Hot Sale Wall Mounted Underwater LED Swimming Pool Light with Two Years Warranty]

USBM. 1987.PA Woofer Speaker T- 10 12 15,Passive Double 10 Inch Proal Audios Sound System Line Array Speakers for Direct Sale-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Diced Onion Frozen IQF]

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.         [150cc Automatic Racing Sports Exclusive Design ATV ]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Gy6 150cc Gas Scooter65''75'' Factory Whole Sale IP65 Windows Waterproof Double Sided Outdoor Totem LCD KioskCorresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aFrequency Converter 60Hz 50Hz 160HP