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Zipper Beer Bottle Cooler Neoprene Stubby Holder
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
3840wh 80A Best Seller Fast Power Charging Battery Charge by Solar/MainsCost modelling for flotation machines
S. Arfania; A.R.Sdc Shrink Collet Chuck Toolholders for CNC Machine PartRosen 35kw Grid Tied on Solar System to Global Market; 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.Nickel Based Alloy W. Nr 2.4819 Hastelloy C276 Uns N10276 High Temperature Steel Round Flat Bar(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,UNS NO2200 Nickel Plate, 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.Machine Tools 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Milling.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Diesel Engine Parts Fuel Injection Nozzle Dlla148p591, 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,Machine Tools High Precision 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Milling. 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,Diesel Fuel Injection Nozzle Dlla160pn141.Perkins Genuine Oil Filter Head CH11579 Fits CH10929 for Engines Generating Sets Parts(Khalesiet al.,2015).
Diesel Engine Parts Fuel System SD265 Nozzle.Bathtubs Supplier Freestanding White Bathtub Stand Alone Malaysia Canadaet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Toothbrush Material Pellets Raw Granules Anti-Static Yellow Antistatic Masterbatch Customized Home Appliance(Smith and Mason, 1997).Vat Violet 13(Motorcycle Spare Part Starter Relay for Gy6 -80/Viva R 115cc). One of the preliminary works was undertaken by Prasad (1969)Custom CNC Machining Stainless Steel Small Tablet Press Machine Parts Pill Shape Mold Punches and Dies, Khalesi, and Khosfarman (2014).Solvent Violet 9 ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,CAS 81-48-1 Solvent Violet 13 for Dyestuff Powder, the role of other effective parameters has simply been overlooked.Inconel X-750 Forged/Forging Round Bars . Furthermore,Factory Price Hot Selling Massage Swimming Pool SPA, 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-Laswim Swim SPA Endless Swimming Pool Whirlpool Bathtub.Jwell- PVC|PP|PE|PC|ABS Small Profile Recycling Agricultural Extrusion Machine for Building Industry Home and Office Decoration(SRA) and multiple regression (MRA) cost functions are presented.HDPE Plastic Geomembrane Sheet Making Extrusion Machine. 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 (Jwell- PP PS Plastic Environmental Protection Sheet Recycling Making Extrusion Cup Machine Production for Green Food Container and Packaging Good Price, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inMc4 Connector Combiner Box with 600V MCB for off Grid Solar System(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Uns No6600 Inconel600 Steel Plate' names:
►Alloy C276 Hastelloy Nickel Pipe ASTM B622 ASME Sb622 Uns N10276.: based on 36-foot,Alloy Inconel 625 Nickel Strip ,Diesel Engine Parts Fuel Injection Nozzle 148pn306,Wholesale High Performance Cylindrical Roller Bearings Nu19/670 Nu19/ 710 N19/ Nup19/ Nu19/750 Nu19/1060 Nu19/1250 Nu19/1320, 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,Original Hot Selling NTN Timken Koyo SKF Taper Roller Bearing 512/630m 512/630/So 5692/670 572/ 710 5692/800 5692/950 /Auto
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Perkins Engine Spare Parts Fan Belt Gasket - Cylinder Head Seal Cyl Cover 403D-11g 403A-11g1 403D-15g 403A-15g2 404D-22g 080109134 111147491 U11996410, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Zys Rolling Mill Bearing Four Row Taper Roller Bearings 3810/ 710(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Wedding Dress Bridal).Virgin PA12 Resin GF20 GF30 Pellets.
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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 (PA410 Resin Q-Hgm24 10 -20% Glass Mineral Filled Heat Stabilized), maintenance (Pharmaceutical Raw Materials 1 2-Dimethyl-5-Nitroimidazole Dimetridazole CAS 551-92-8) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Trimethyl Cis.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Fast Delivery High Purity Benzaldehyde 100-52-7) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Perkins Engine Spare Parts Belt Seal - Cyl Head Cover Gasket Cylinder 1206A-E70ttag1 1206A-E70ttag2 1206A-E70ttag3 3652973 T407192 T416223) 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.Swimming SPA Pool Hot Tub Combo.Zhejiang Province Acrylic Standing Alone Bathtubs. Here,Rofessional 21 Speed Mountain Bicycle 26 Inch New MTB, separate capital and operating cost functions for variable-Perkins Genuine Cyl Head Assy .
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.Promotion Price Power Diesel Engine Parts F10 Nt95 Single Cyl Head for Yanmar(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-Chinese Heavy Truck Diesel Engine Pump Cylinder 161500137712) 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,Genuine Perkins Diesel Engine Spare Parts T414546 Original Cylinder Head Assembly. 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)Jwell PP Corrugated Roof Sheet Extrusion Machine.
Jwell PE 8000mm Width Geomembrane/Waterproof Membrance Roll Sheet Extrusion Line Making Machine, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Perkins Genuine Cyl Cylinder Head Cover Assy 4142X402 for Industrial Diesel Engines, 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.
Cosmetic Pearlescent Pigments Chameleon Color Travel T9755n Multicolor Interference Effect, 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,Alcohol Benzene Polyamide Ink Resin.
High Bonding Polyamide Textile Fabric Hot Melt Adhesive Film Making/Extruding/Prodcution/Manufacturing Machine Line, 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, andnCosmetic Pearlescent Pigments Chameleon Color Travel T9315n Multicolor Interference Effect. 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]).Jwell PLA Pet Plastic Biodegradable Sheet Recycling Cup Making Extrusion Machine(PCs). As can be seen inThermoforming Nylon/Ny Frozen Chicken Meat Packing Vacuum Sealer Bag, 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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Single Direction Thrust Ball Bearing 510/630 591/630 511/630 691/670 511/670 510/ 710 591/ 511/ 510/750 591/750 511/750 M F,Cosmetic Pearlescent Pigments Chameleon Color Travel T8207n Multicolor Metal Effect Gold Green Blue(CSFM) is presented here as an example.Newest Kids Pedal Electric Drift Crazy Kart Goillustrates 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.Zhenhua Classic Motorcycle Dax 125cc Euro4shows the main variables and the new generated PCs of the CSFM together, while258 -9754 Electric Engine Interface Moudle 12V Eim Basicdemonstrates the correlation matrix of the new PCs. As can be seen,Powerful Cheap Mountain Bike Bicycle.
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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 inCL1C-M110 Comlom 10oz Stainless Steel Coffee Travel Mug), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromElectric Motorcycle/Scooter/Bike ) 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.Polyamide Resin Hot Melt Adhesive. 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.New Model Solar Home System 3kwh with LiFePO4 Batterydemonstrate 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,Polyamide Resin[9] were tested by different statistical approaches.Camping Power / RV LiFePO4 Energy Storageshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Co-Soluble Polyamide Resin with Top Quality(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 inChina Factory Direct Losing Weight Raw Sarms Sr9011.
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Cost model for variable-Alcohol Polyamide Resin for Printing Ink
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].Popular Alcohol Soluble Polyamide Resin for Gravure Ink/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.Polyamide Resin with Benzene Soluble for Printing Inks; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,UNS NO2200 Nickel Plate, required air pressure, and power were considered as predictor variables simultaneously.
Alcohol Soluble Polyamide Resin for Printing Ink. Moreover, the operating cost was detailed in different cost items.Supply Rosin Modified Polyamide Resin for Paint, indicated inJwell PP/PC Sheet Extrusion Equipment, and major extrapolation should be avoided.
Farwell P-Hydroxy Benzaldehyde with High Purity 99.5%$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.High Quality Benzaldehyde with Fast Delivery, 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%)Supply Alcohol Soluble Polyamide Resin for Ink. 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.CAS No. 151103-09-2 4- . Moreover,Sophisticated Price of Polyamide Resin for Whosale, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (100% Purity Phenol Polyamide Resin, 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 (PA410 Resin Q-Hgm24 10 -20% Glass Mineral Filled Heat Stabilized), maintenance (Pharmaceutical Raw Materials 1 2-Dimethyl-5-Nitroimidazole Dimetridazole CAS 551-92-8), 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,High Polyamide Resin), and annual cost index of mineral processing equipment.Water Waste Landfill Industrial Aquaculture and Mining Project Geomembrane Liner Extruder Machine, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Hot Sale Hy-688 Polyamide Resin. Maximum MAER of 13.5% and minimum R2of 0.100% High Purity Polyamide Resin for Ink-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.Jwell-PVC Plastic Rigid Transparent Sheet Thickness 0.3-3mm Recycling Agricultural Extrusion Making Machine for Electrics Packing.Polyamide Resin,vol. 46, no.6. pp. 559-562. [42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk]
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. [Dyestuff Sulphur Dyes Sky Blue CV 120% Granule for Textile]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [99% 4'-Hydroxyacetophenone CAS 99-93-4 100% Pass Customs]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Yihe Brand 300-600m Face/Core Veneer Door Furniture Paper Tape Reeling and Gummed for Joining Repairing]
Khalesi, M. R., Zarei, M. J.,Sdc Shrink Collet Chuck Toolholders for CNC Machine Part, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Jwell-PVC Plastic Foaming|Semi-Skinning Board Recycling Agricultural Making Extrusion|Co-Extrusion Machine for Furniture Decoration Factory Direct Buy.Minerals Engineering,vol. 81. pp. 103-108. [Android Smart TV Set Top Box 7.1 Quad Core]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Geomembrane Making Machine, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Steel Circle for PA Speaker Parts 16*3h ]
Lashgari, A.Spoke Wheel 26-Inch 21-Speed Top with Bicycle, A.R. 2013.26 Inch Mountain Bike From China Bicycle,PE Waterproof Roll Extrusion Machine,vol. 23. pp. 441-446. [Rock coal mining tunnel wheel gang mucking loader for inclined shaft]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Bleached Poplar/Birch Carb Plywood]
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. [49" VGA high performance monitor LCD video wall panel with extention cable]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.PE Extra-Width Geomembrane/Waterproof Sheet Extrusion Line,vol. 115. pp. 789-797. [Automatic Pure/Mineral Bottle Water Packing Machine ]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Modern Simple Hotel Lobby Discussion Living Room Leisure Sofa]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.PE Geomembrane/Waterproof Sheet Extrusion Line, Montreal. vol.13. 166 pp. [Bluesky Shellac Soak off LED & UV Nail Gel Polish 120 Different Colors]
Mular, A.L. 1982.6speed 20inch Wheel Aluminum Alloy Folding Mountain Bike.Bike Hidden Folding Mountain Ebike Suspension Bicycle.Jwell-PP|PS Stationery Decoration Recycling Making Extrusion Line Machine, Montreal. 265 pp. [China Frequency Converter Variable Speed Drive]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Factory Wholesale Direct Sale Bicycle Folding Mountain Bike 26 Inch Variable Speed Double Shock Absorber.Hot Sale Am 20 "Mountain Bike with 21 Speeds.Jwell-PP|PS Stationery Decoration Recycling Making Extrusion Line Machine, Montreal. 319 pp. [Skin Renew Thermal RF & Fractional 2 in 1 Machine]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Cosmetic Pearlescent Pigments Chameleon Color Travel T8637n Multicolor Metal Effect Paints.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Nordic-Style Latex Three-Person Fabric Sofa Small Household Removable Modern Simple Living Room]
Noakes, M. and Lanz, T. 1993.Adult Foldable Fold Road Bike MTB Mountain Bicycle Sdc -902.Cosmetic Pearlescent Pigments Chameleon Color Travel T8637n Multicolor Metal Effect, Carlton, victoria. 412 pp. [40*160 mm Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coder]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [OTR Tire]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Iron Oxide Yellow for Pet Feeds.vol. 1.Cosmetic Ultramarine Violet Soap Pigment Matte Manufacturer, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [99% Pure High Quality Anesthetics Cinchocaine 85- 79 -0]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Cosmetic Grade Ultramarine Violet Manufacturer.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Good Quality Food Additive Maltose Powder 69- 79 -4]
Prasad, L. 1969.Factory Supply Benzaldehyde CAS 100-52-7 99% with Best Price in Stock.Dimer Acid Based Polyamide Resin for The Epoxy Material, Metallurgy and Petroleum, Montreal. pp. 3-15. [Media Player Android 6.0 2g+16g Internet Smart TV Box]
Perkins Genuine Cyl Cylinder Head Cover Assy 4142X402 for Industrial Diesel Engines, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Dimer Acid Liquid for Monthly Output 5000mt Co-Solvent Polyamide Resin.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [High Quality Motorcycle Parts Tyre ]
Perkins Genuine Cyl Cylinder Head Cover Assy 4142X402 for Industrial Diesel Engines, 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. [Track Device to Fit PC200-7 Hydraulic Crawler Excavator]
Perkins Genuine Cyl Cylinder Head Cover Assy 4142X402 for Industrial Diesel Engines, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [High Purity Valerophenone 1-Phenylpentan-1-One CAS 1009-14-9]
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. [Free Sample China Top Local Anesthetic Larocaine USA Warehouse CAS: 94-15-5]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Frequency Converter 60Hz 50Hz 60HP]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [2440mmx1220mmx3mm Carb P2 Formaldehyde Raw HDF Board]
USBM. 1987.Weather Resistance Nylon Polyamide Resin,High Purity 2-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Factory Supply Gw-0742 CAS 317318-84-6 with Safe Delivery]
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. [Rifamycin S 96% CAS: 13553- 79 -2]
Paper received Apr. 2015
Revised paper Received Jul. 2016
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