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2021 New High Quality Shellac Soak off Best Nail Polish Art Popular Shinning Metallic UV/LED Gel
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
Home Use 6kw Grid Tied Solar Power System with High PerformanceCost modelling for flotation machines
S. Arfania; A.R.Karaoke Speaker 10'' Ferrite KTV Loudspeaker Portable for System.PA Speaker with Line Array Tweeter Horn ; 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.100 PCS High Quality Resealable Hair Top Wig Clear Transparent Ziplock Bag Plastic Food Packaging for Oil(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,8 Sides Sealed Aluminum Foil Bag Thickened Dog Food Packaging Tea Stand up Plastic Mylar Heat /Air/Water Resistant Container, 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.Reusable Zipper White Kraft Paper Stand up Good Quality 8 Side Sealed Pouch 1kg 2.5kg Coffee Bag with Valve Aluminum Foil Mylar Plastic Food Packaging.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Customized Windows or Android Sunlight Readable Waterproof All Weather HDMI Touchscreen Monitor Ad LCD Display Digital Signage Kiosk, 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,Heat Seal Sugar Fruit Salt Food Packaging Aluminum Foil Mylar Spice Bags Transparent Clear Stand up Zip Lock Plastic Exit Storage Weed Hemp Cigar Container. 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,Custom Cat Food Bags.Buy Sugammadex Sodium CAS 343306- 79 -6 From Manufacturer(Khalesiet al.,2015).
Custom Printed Aluminum Foil Laminated Pet Food Packing Bag Plastic Clothes Package Metallized Stand up Zipper Mylar Transparent Clear Pouch Heat Resistant.Pharmaceutical Intermediate High Purity Peptides CAS 113- 79 -1 Argpressin Acetate Argipressinet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Professional Line Array Vtx V20 Dual 10 Inch Three Way Speaker(Smith and Mason, 1997).Factory Supply Tretinoin / Retinoic Acid Vitamin a CAS 302- 79 -4(Wholesale Adult Tricycle Price Adults Tuk Motorcycle in India). One of the preliminary works was undertaken by Prasad (1969)Anti-Aging and Anti-Wrinkle Cosmetic Grade PRO-Xylane CAS-439685- 79 -7, Khalesi, and Khosfarman (2014).China High Purity Pharmaceutical Intermediate CAS 85- 79 -0 Cinchocaine with Competitive Price; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,High Quality 99% L-Pyroglutamic Acid , the role of other effective parameters has simply been overlooked.Factory Supply 2-Phenylbenzimidazole CAS 716- 79 -0 with Best Price. Furthermore,Pharmaceutical Grade Raw Powder 99% Purity Medrogestone 977- 79 -7, 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-Supply High Quality L-Lactic Acid with CAS 79 -33-4.Lanosterol 79 -63-0 (SRA) and multiple regression (MRA) cost functions are presented.Seaweed Iodine Factory Price Wholesale 99% with Chemical CAS/ 68333- 79 -9. 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 (99% Purity Local Cinchocaine Powder Dibucaine CAS 85- 79 -0 Price, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inOriginal Hot Selling NTN Timken Koyo SKF Taper Roller Bearing 512/630m 512/630/So 5692/670 572/ 710 5692/800 5692/950 /Auto(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;High Purity Retinol Palmitate Powder' names:
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►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Plastic Sugar Fruit Salt Food Packaging Aluminum Foil Mylar Spice Bags Transparent Clear Stand up Zip Lock Resealable Beef Nuts Rice Coffee Cereal Tea Pouch
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Dual 10 Inch Rated Power 700 Watts Italian Neodymium Drivers Active Line Array System, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),High Purity and Good Price Glycolic Acid (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (High Purity P-Toluenesulfonylsemicarbazide).Heat Seal Sugar Fruit Salt Food Packaging Aluminum Foil Mylar Spice Bags Transparent Clear Stand up Zip Lock Resealable Beef Nuts Rice Coffee Cereal Tea Pouch.
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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 (OEM Metallized Stand up Zipper Toys Plastic Rice Meat Container Custom Printed Zip Lock Pouch Food Packaging Mylar Exit Gift Bag), maintenance (10 Inch Powered PA Speaker Full Range Stereo System) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Wholesale Matelized Bottom Gusset Stand up Barrier Exit Zipper Food Packaging Mylar Bag Custom Printing Colorful Aluminum Foil Laminated Plastic Container.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Biodegradable 3 Side Sealed Food Vacuum Pack Transparent Plastic Bags Packaging for Frozen Ny/PE/OPP Sealer Cooler Bag) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (3X3 video wall LCD HD 1080P digital display screen) 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.Food Saver High Transparent Vacuum Plastic Bag.Cvr 2021 New 10'' Line Array Professional. Here,10'' Red Steel Woofer, separate capital and operating cost functions for variable-Single 10 Inch Two Way Professional Passive Coaxial Monitor 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.Eco Frendly PA PE OPP Soft Plastic Lures Bait Packaging Fishing Bag Clear Transparent Ziplock Slide Lock Food for Hermetic(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-Waterproof Outdoor Dual 10 " Line Array) 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,Aluminum Foil Self Sealing Digital Plastic Packaging Bag Glossy Holographic Stand up Clear Front Laser Film Food with Zipper. 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)Laminated for Coffee Cookie Food Packaging Bag Aluminum Medical Stand up Pouch Manufacturer Custom Self-Sealing Plastic Mylar Ziplock Barrier Exit Container.
PRO Audio Powered Line Array Tw- 10 Outdoor Speaker, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Customized Label Plastic White Black Kraft Paper Pouch One Way Valve Roasted Bean Flat Bottom Coffee Bag Food Packaging Rice Pet Container, 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.
Manufacturer Reusable Ziplock PE Pet Food Stand up Packaging Pouch Bag Flat Bottom Mylar Recyclable Heat Sealed Coffee Bean Rice Dough Powder, 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,V8/Vsub Dual 10 " Compact Indoor/Outdoor Stage Line Array Speaker.
Morin Professional Audio 10inch Line Array Speaker Tw- 10 & Tw-18 Sub, 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, andnCustom Printed Aluminum Foil Mylar Kraft Paper Stand up Flat Bottom Side Gusset Food Grade Packaging Bag Pouch with Zipper Recyclable Barrier Rice Coffee. 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]).Manufacturer Reusable Ziplock PE Pet Food Stand up Packaging Pouch Bag Flat Bottom Coffee Bean Three-Side Sealed Mylar Chocolate(PCs). As can be seen inSpeaker Tcx- 10, 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]:
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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.
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Passive RMS 700 Watts Dual 10 Inch Neodymium Line Array Speaker for Outdoor Show,Outdoor Speaker Dual 10 Inch Line Array(CSFM) is presented here as an example.Electric Scooter/ Motorcycle/TM-Monyaillustrates the high correlation between predictor variables for the CSFM.
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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.Disodium Phosphate Anhydrousshows the main variables and the new generated PCs of the CSFM together, whilePharmaceutical Chemical 1-Hydroxypyrene CAS 5315- 79 -7demonstrates the correlation matrix of the new PCs. As can be seen,49" VGA high performance monitor LCD video wall panel with extention cable.
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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 inBusiness Laptop Backpack School Travel), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromAgricultural Machine Small Wheel Loader Mini780 with CE Certificate) 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.
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Results and discussion
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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.High Quality Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price Acid Glycolic. 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.High Quality 99% L-Pyroglutamic Acid demonstrate results for the machines modelled in this research.
Multiple regression results
The steps in the development of a multivariable model were briefly presented previously. As was mentioned,1.8mm ultra narrow bezel 16: 9 LED TV video wall for home[9] were tested by different statistical approaches.3kwh LiFePO4 Battery with 5 Years Warrantyshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.wall mount 16: 9 LCD screen video for big project(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 in50mm Double Metal Strap Webbing Buckle.
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Cost model for variable-aluminium video wall LCD HD 1080P flat panel display
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].LG LD550DUN-TKB1 video wall system with matrix switcher/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.Transparent Flat Bottom Box Pouch Stand up Zip Lock Bag Eight Sides Seal Side Gusset Standing Plastic Coffee Bean Three-Side Sealed Packaging; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,8 Sides Sealed Aluminum Foil Bag Thickened Dog Food Packaging Tea Stand up Plastic Mylar Heat /Air/Water Resistant Container, required air pressure, and power were considered as predictor variables simultaneously.
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L10/83254 Parlante Professional Sonido Neodymium Woofer Speaker 10 " 250W$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.Prfessional Audio 10''karaoke Loudspeaker, 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%)10 Inch KTV System Woofer. 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.Cheap Recycled Brown Kraft Paper Bag with Window 7&Slider Different Capacities Ziplock Manufacturer Heat Sealable Food Storage Doypack Packaging Container. Moreover,Laminated Food Packaging Bag Aluminum Coffee Stand up Pouch Manufacturer Custom-Made Self-Sealing Plastic Mylar Zipper Exit Barrier Bean Container, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (10 Inch Compact Line Array PRO Audio, 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 (OEM Metallized Stand up Zipper Toys Plastic Rice Meat Container Custom Printed Zip Lock Pouch Food Packaging Mylar Exit Gift Bag), maintenance (10 Inch Powered PA Speaker Full Range Stereo System), 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,10 Inch Indoor Outdoor Professional Loudspeaker), and annual cost index of mineral processing equipment.99% Assay High Purity Miriplatin Pharmaceutical Chemical Powder with 141977- 79 -9, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Double 10inch Line Array Speaker Q1+Q Sub with Neodymium Magnet. Maximum MAER of 13.5% and minimum R2of 0.50 Ml - 2100 Fully Transparent Plastic Spout Drinking Water Juice Pouch Bag High Quality Matte Surface Aluminum Foil Stand up Body Scrub-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.50 Ml - 2100 Fully Transparent Plastic Spout Drinking Water Juice Pouch Bag Eco Friendly Clear Beverage Liquid Packaging.Hot Selling Best Price 15307- 79 -6 Diclofenac Sodium Powder,vol. 46, no.6. pp. 559-562. [150cc 200cc Gas ATV Quad for Adults]
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. [Decorative 304 316 316L 310S 309S Stainless Steel Square Pipe]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [aluminium video wall LCD HD 1080P flat panel display]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Solar Combiner Box DC 550V System with Mc4 Connector]
Khalesi, M. R., Zarei, M. J.,Karaoke Speaker 10'' Ferrite KTV Loudspeaker Portable for System., A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-RC Factory Supply Chemcial Disodium Glycyrrhetate Powder with CAS 71277- 79 -7 as Food Additives.Minerals Engineering,vol. 81. pp. 103-108. [Outdoor Double 6" Full Range Speakers 12" Active Subwoofer Professional Audiomini Live Bands System for Musician PA]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Thiosemicarbazide CAS 79 -19-6, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [High Quality Tretinoin with Good Price ]
Lashgari, A.O-Phthalaldehyde CAS 643- 79 -8, A.R. 2013.High Purity CAS 71277- 79 -7 Licorice Extract Disodium Glycyrrhizinate with Nice Price,PRO Audio 2-Way Dual 10inch Line Array System Q1+Q Sub,vol. 23. pp. 441-446. [New Arrival 925 Sterling Silver Necklace 18K Gold Vermeil Emerald Pear Lariat]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Hot Selling Face Lifting and Slimming Chin 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. [Factory Product 4K Android TV Box Mxq PRO Rk3229 7.1 1GB 8GB]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Pharmaceutical Diclofenac Sodium CAS 15307- 79 -6 for Anti-Inflammatory Painkillers,vol. 115. pp. 789-797. [250ml 500ml 750ml 1L Fancy Small Cooking Oil Tin]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [1392 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.1-Bromo-3, Montreal. vol.13. 166 pp. [Commercial Panel LCD LED Back Light Inside Touch Displays]
Mular, A.L. 1982.Low Price 4.High Purity CAS 64318- 79 -2 Gemeprost.Ziplock Dog Food Bag with Bottom Gusset, Montreal. 265 pp. [Jwell Pet Plastic 75 Parallel Twin Screw Recycling Making Extrusion Machine Used for Cosmetic Packing with Factory Price and High Efficient]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.High Quality Glycolic Acid/ Hydroxyacetic Acid CAS 79 -14-1.Custom Printed Food Grade Ziplock Packing Bag.Ziplock Dog Food Bag with Bottom Gusset, Montreal. 319 pp. [99 Purity Peptides Oxytocin Injection Acetate 2mg]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Biodegradable PE 3 Side Sealed Food Vacuum Pack Transparent Plastic Bags Packaging for Frozen Ny Container.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Set Top Box T95q S905X2 4G 32g Android 9.0 HD TV Kodi Quad Core]
Noakes, M. and Lanz, T. 1993.Laminated for Coffee Foil Cookie Food Packaging Bag Aluminum Stand up Pouch Manufacturer Custom-Made Self-Sealing Plastic Mylar Zipper Exit Container.Plastic Customized Gift Zip Lock Garment Packaging Bag Composite Aluminum Foil Custom Food Packing Cookie, Carlton, victoria. 412 pp. [Zl08 0.8 Ton Agricultural Farm Articulated Mini Wheel Loader with Hydraulic System]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Apl Shipping Line 40FT]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Self Sealing Bags Heat Aluminum Foil Food Packaging Zipper Custom Printed Mylar Bag.vol. 1.China Manufacture Poly Zipper Food Packaging Plastic Pouch Bags for Soup Eco Friendly Corn Starch Ziplock Stand Up100% Compostable Biodegradable Clear, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [K2 Line Array Rigging Horn Metal Grill Waveguide Flare Sets ]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:10 Active Full Range Stage Sound Loud Speaker System Audio.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [25kw High Frequency Induction Heat Soldering Machine]
Prasad, L. 1969.Two Way 10 " Mini Portable PRO Audio Active Loudspeaker PS10.Outdoors Professional/PRO Audio Speaker , Metallurgy and Petroleum, Montreal. pp. 3-15. [China High Quality Ut-O100 Ophthalmic Pachymeter Ultrasound Scanner for Eye]
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Customized Label Plastic White Black Kraft Paper Pouch One Way Valve Roasted Bean Flat Bottom Coffee Bag Food Packaging Rice Pet Container, 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. [Good Quality Deep Groove Ball Bearing with Price]
Customized Label Plastic White Black Kraft Paper Pouch One Way Valve Roasted Bean Flat Bottom Coffee Bag Food Packaging Rice Pet Container, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Boring Machine Tools Micro Head F1type CNC Heads Set]
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. [Rg-Ap3220 Dual Band and Radio 5.8g Wireless Poe Access Point / Ap]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [381323 80mAh 3.7V Battery for Earphone Campact Lithium Polymer]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Hot Sale Five Star Hotel Standard Soaking Oval Shaped Size Whirlpool Bathtubs Standing Alone Acrylic Bathtub #S014]
USBM. 1987.Professional Speaker System Single 10 Inch 300W Mini Stage Monitor PS10r2,Single 10'' Two Way Line Array PRO Audio-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [White Calacatta Artificial Quartz Stone Kitchen Island Top]
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 Speed Bottles Shrink Wrapping Machine/Group Packing Machine]
Paper received Apr. 2015
Revised paper Received Jul. 2016
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