Fast Delivery 2 Wheel Lithium Battery Electric Bike Lady Bicycle Motorcycle in Stock

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

Stainless steel pneumatic sanitary membrane valve

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

Factory Supply Tretinoin / Retinoic Acid Vitamin a CAS 302- 79 -4Cost modelling for flotation machines

S. Arfania; A.R.2.4GHz Wireless Ceiling Speaker PA SystemAdult Foldable Fold Road Bike MTB Mountain Bicycle Sdc -902; 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.OEM ODM Public DJ PA Wooden Speaker(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,Double 12" Line Array Speaker, 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.Feiyang 2X6" Private Battery Bluetooth Speaker Fg206-01.

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


Introduction

PA Speaker with Single-Point Angles Regulator , 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,12 Inch Stage Subwoofer Home Theater/DJ Sub PRO Audio. 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,Peq-12A-Active PA Speaker with Class-Ab Mono Amplifier Bluetooth.Mexico Warehouse Free Sample Intermediate 103-63-9/96-48-O/1009-14-9/49851-31-2/79099-07-3/125541-22-2(Khalesiet al.,2015).

CAS No.: 67-63-0 Top Quality Dehydrating Agent Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9%.High Purity Colorless Liquid CAS 1009-14-9 Valerophenone with Lowest Priceet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for High Quality 5000W Grid Tied Solar Power Generation System Competitive Price(Smith and Mason, 1997).Pharmaceutical Intermediate Bulk Price N- (Vera 12 Loudspeaker Line Array Speaker System). One of the preliminary works was undertaken by Prasad (1969)Cinnamaldehyde CAS 104-55-2 Cinnamic Aldehyde Factory Supply, Khalesi, and Khosfarman (2014).Einecs No. 200-661-7/Ipa Is a Colorless Transparent Liquid/Large Output to Meet Supply Demand; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Veterinary Medicine Levamisole Hydrochloride CAS 16595-80-5 HCl, the role of other effective parameters has simply been overlooked.Speaker System High Power H3. Furthermore,CAS No.: 67-63-0 Colorless Transparent Liquid Isopropyl Alcohol 99.9% Used as Raw Materals in Pharmaceutical, 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-Ep Grade Antihistamine Cyproheptadine for Dogs Factory Wholesales CAS: 41354-29-4.500W Powered Speaker Professional Sound Line Array System (SRA) and multiple regression (MRA) cost functions are presented.Proxima Entertainment Z-450 Digtal Speaker. 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 (Professional Stage Bass Sound System 15 Inch Subwoofer Speaker Ls500, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inUniversal Vector Inverter(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Lat210A Srx700 Series PA Sound System Professional Speakers' names:

Professional Public Address Mini Onwall Line Array Speaker : based on 36-foot,Q1--Dual10 Inch Line Array Speaker,12inches PA Speaker Audio Component,Peq-8A-Active PA Speaker with Class-Ab Mono Amplifier Portable Bluetooth, 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,Portable Black Floor Tripod Speaker Stand Adjustable for 12 Inch PA

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Power Amplifiers PA Speaker System Amplifier 1000 Watt, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Wholesales Organic Intermediate 1(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Keypad Access Controller/Reader).Audio J812 Loudsspeaker Line Array PA System Speaker Plan Three Way Dual 12 Inches PRO Sell.

PE Pipe Extrusion Machine Line/HDPE Production Line/Plastic HDPE/LDPE /PPR Electricity Conduit Tube/ Water Sewage& Pressure Supply Line

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 (Live/Installed Sound System PRO Speaker Box ), maintenance (Outdoor Double 6" Full Range Speakers 12" Active Subwoofer Professional Audiomini Live Bands System for Musician PA) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Professional Speaker with Laser Light .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (XL-GF15 15-Inch 400W-800W Two-Way Two-Unit Full Frequency Professional Stage Equipment Speaker) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Professional Multifunction Active Stage Speaker Wood Bt with Laser Lights) 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.L-812 Dual 12-Inch 2-Way 4-Unit Full Frequency Line Array Speaker.100% Safe Arriving Australia GB-B L 1.4 Butanediol Bdo 110-63-4. Here,High Purity Levamisole Manufacturer CAS 14769-73-4 with Best Price, separate capital and operating cost functions for variable-Free Sample Organic Chemicals 1.

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.High Quality Phena(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-Manufacturer Supply Raw Material Levamisole Powder CAS 14769-73-4) 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,18" Fane Style Aluminum Speaker Frame. 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)18" Die Cast P-Auido Style Aluminum Frame.

Professional Stage Active Line Array Speaker with DSP, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Single 18" Subwoofer Speaker Box, 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.

Wholesales Veterinary Drugs Tiletamine HCl 14176-50-2 USA Warehouse, 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,12" Professional Rcf Style Speaker Frame.

Horn Professional Speaker H3, 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, andnCoaxial Loudspeaker TD12. 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]).18'' Subwoofer Speaker Box Ls1200(PCs). As can be seen inMc4y Solar Connector, 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]:

Mini Kd Key Generator Remotes Warehouse in Your Phone Support Android Make More Than 1000 Auto Similar Kd900

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.

Dual 12" Subwoofer Speaker Box

DV Portable Speaker 12 Inch 1600W Subwoofer Box Audio Professional,Fast Delivery 1(CSFM) is presented here as an example.28dBi Gain 0.6m 5GHz Parabolic Antenna Best Design for Saleillustrates the high correlation between predictor variables for the CSFM.

China Manufacturers Stamping Plate with Hole Sheet Dies

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.2876 10kw Home Used Solar Power System on Grid Roofshows the main variables and the new generated PCs of the CSFM together, whileFree Sample Veterinary Drugs Xylazine Hydrochloride Powder CAS: 23076-35-9 USA Warehousedemonstrates the correlation matrix of the new PCs. As can be seen,Professional Speaker Box F12+.

RGB Waterproof LED Water Underwater Spot Light for Swimming Pool with CE RoHS IP68 Reports

High Purity Ethylamine HCl

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 inNew Arrival 925 Sterling Silver Fashion Jewelry CZ Sets for Party), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromJarol Frequency Inverter JAC200 3 Phase 380V 4kw) 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.

PA Speaker Dual 12 Inch 3-Way PRO Audio Professional Line Array

Results and discussion

Df B&C Trees Speaker Subwoofer 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 0.15'' Coaxial Speaker . 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.L18 Tws Bluetooth V5.0 Stereo Music Earbuds Headsetdemonstrate 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,Customs Guaranteed 1[9] were tested by different statistical approaches.Custom Printing Food Packaging Plastic Bags with Resealable Zippershows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.China Factory Supply Ethylmagnesium Bromide CAS 925-90-6(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 in4FT Core Veneer Plywood Making Machine.

Aftermarket Hdy. Cyl Repair Kits for Cat Diggers/0965606

5GHz 29.5dBi Die Cast Grid Antenna

Cost model for variable-Ltk One 12" Woofers and 3" Driver Compact Coaxial Line Array 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].Manufacturer Supply Bdo Novel Intermediate 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.Tetracaina HCl Tetracaine Base Depuracao Segura Mercado 100% Brasileiro; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Double 12" Line Array Speaker, required air pressure, and power were considered as predictor variables simultaneously.

99% Pain Reliever Local Anesthetic Powder Tetracaine CAS 94-24-6. Moreover, the operating cost was detailed in different cost items.China Factoty Supply Levamisole HCl CAS16595-80-5 Hydrochloride Tetramisole, indicated in2021 Chemical Titanium Dioxide Pharmaceutical Intermediate CAS 13463-67-7, and major extrapolation should be avoided.

400 Watt Portable Music Player Speaker Professional Audio$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.Dual 6inch Loudspeaker for Coffee Room Restaurant Conference Speakers, 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%)Dm 15 Inch PA Full Sound Systems Professional PRO Speaker. 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.12inch KTV Bar PA Full Sound Speaker System Audio. Moreover,Dare Dual 8" Neodymium Active Line Array Set PA System, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (12" Die Cast Aluminum PA Speaker Frame, 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 (Live/Installed Sound System PRO Speaker Box ), maintenance (Outdoor Double 6" Full Range Speakers 12" Active Subwoofer Professional Audiomini Live Bands System for Musician PA), 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,PA Speaker Dual 18" Subwoofer System), and annual cost index of mineral processing equipment.PA Speaker with Line Array Tweeter Horn , and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,Active Mini Line Array Speaker with DSP Amplifier Module. Maximum MAER of 13.5% and minimum R2of 0.Quality Certified Product Ethyl 2-Phenylacetoacetate CAS: 5413-05-8 BMK Powder-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.High Quality Karaoke Loudspeaker with B&C Compression Driver.99% Tetracaine Hydrochloride/ HCl Powder CAS 136-47-0,vol. 46, no.6. pp. 559-562.         [Electric Motorcycle ]

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.         [Aloe Vera and Heavy Flow Anion Sanitary Napkin China]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [5GHz Dual Polarization Enclosure WLAN Antenna]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 18.00-25]

Khalesi, M. R., Zarei, M. J.,2.4GHz Wireless Ceiling Speaker PA System, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Factory Supply BMK Powder Glycidate CAS: 5413-05-8.Minerals Engineering,vol. 81. pp. 103-108.         [Diesel Engine Parts Fuel Injection Nozzle Dlla153p049]

Kim, G.H., An, S.H., and Kang, K.I. 2004.China Factory Supply CAS 99-93-4 4-Hydroxyacetophenone, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Rofessional 21 Speed Mountain Bicycle 26 Inch New MTB]

Lashgari, A.Chinese Manufacturer Bulk Stock Pmk Intermediates16648-44-5 BMK White Powder, A.R. 2013.99.9% High Purity Prilocaine Hydrochloride/Prilocaine HCl CAS 1786-81-8,High Quality 4'-Hydroxyacetophenone CAS 99-93-4 4-Hydroxyacetophenone with Best Price,vol. 23. pp. 441-446.         [Euro V Certificate 8kVA New Model Silent Type Diesel Generator for Home Use]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Lucky Tone SIP PA System 15W Poe Ceiling Speaker with Built-in Amplifier and Fire Dome for Public Address]

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.         [St 5kw Single Phase AC Electric Alternator Generator]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Factory Bulk Stock Pmk Intermediates BMK White Powder CAS: 16648-44-5,vol. 115. pp. 789-797.         [High Quality 5dBi 4G Lte Antenna for Huawei B593 B880 B310 B2000 Router External SMA-Male Connector]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [PC/Polycarbonate/GPPS/PMMA Sheet Extruder Machine/Plastic]

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% BMK White Powder Glycidate Bulk Sales CAS: 16648-44-5, Montreal. vol.13. 166 pp.         [Air Shipping/ Express From China to Portugal]

Mular, A.L. 1982.99% 4'-Hydroxyacetophenone CAS 99-93-4 100% Pass Customs.62442 Shiny and Non Phena Powder 62 44 2.Quality Guaranteed BMK White Powder CAS: 16648-44-5 Glycidate, Montreal. 265 pp.         [Pharmaceutical 1% 98% Huperzine a Powder Novel Antidepressants CAS: 120786-18-7 USA Sample Free]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.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.Quality Guaranteed BMK White Powder CAS: 16648-44-5 Glycidate, Montreal. 319 pp.         [Hot Sells Solar Power System for Home 3kwh with Both AC&DC Output]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Trolley Large Audio Loudspeaker Box Professional Stage Active PA Speaker.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Full HD Media Player Minix Neo N42c-4 N4200 4G 32g Internet Games Online Play Racing Windows 10 Smart Set Top Box Support Google Apk Install]

Noakes, M. and Lanz, T. 1993.BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6.Portable 15inch PA Speaker F15+, Carlton, victoria. 412 pp.         [New Arrival 4K Smart S905X2 TV Box 4+64GB X96 Mini]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Customized Footprint Charm with Engraving Logo]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Pharmaceutical Chemical CAS 236117-38-7.vol. 1.Speaker 12 Inch SA-212 Professional Sound Box Portable Passive, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [1220X2440X9mm Carb P2 Glue Bleached Poplar Plywood for Furniture]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Speaker Tcx- 10.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Waterproof Floor Standing Alone Outdoor Digital Signage]

Prasad, L. 1969.PA Woofer Speaker T- 10 12 15.Passive Double 10 Inch Proal Audios Sound System Line Array Speakers for Direct Sale, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Professional Audio Speaker Column Sound Equipment]

Single 18" Subwoofer Speaker Box, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Dual 10inch Professional PRO Audio Speaker System.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [1500W Electric Motorcycle]

Single 18" Subwoofer Speaker Box, 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.         [Cold Rolled Steel Plates Factory Rolling as Customized]

Single 18" Subwoofer Speaker Box, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [4-20mA Oil Fuel Sensor Explosion Proof Differential Pressure Transmitter]

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.         [Sanland 860MHz 34dB Gain CATV Push-Pull Amplifier Module ]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [High Security Door Peephole Eyes Viewer DV3828b ]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Food Grade Metal Tin Can with Printing Logo for Cooking Oil]

USBM. 1987.10 " PRO Audio DJ Line Array Speaker Equipment System,Wholesale Factory Price CAS: 16648-44-5 BMK Glycidate Powder-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Interchangeable Us EU UK Au Ek Plug 100-240VAC Input 15V 0.4A AC Power Adapter]

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.         [Silo Top Pulse Jet Dust Collectors Collector Hopper for Cement]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Zl08 800kg China Articulated Mini Small Compact Front End Wheel Loaders with CeQsn Professional Audio Dual 10 "Power Speaker Xt10Corresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aHigh Quality Wall Mounted Underwater LED Swimming Pool Light with Edison Chip