GENERAL PAPERS

Professional Audio PA Subwoofer Component SpeakersCost modelling for flotation machines

S. Arfania; A.R.Best Selling Electric Scooter Mini 800W Linyi 9mm/12mm/15mm/18mm Pine/Bintangor/Okoume Film Faced Plywood; 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.150cc Automatic Racing Sports Exclusive Design ATV (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,High Quality Cheap 200cc and 150cc Farm Utility ATV, 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 0.1GHz Outdoor Bi-Directional CATV Amplifier.

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

Introduction

New Mini Willys Jeep Available on 110cc, 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,Hot Sell 800W Delivery City Electric Scooter for Take-out Business. 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,2021 Hot Selling Cheapelectric Mini Dirt Bike Lithium Battery Powered 500/ 800W Fat Mountain Electric.My-A010b-N Medical Ultrasound Instruments Convex Handheld Wireless Probe(Khalesiet al.,2015).

3kw Liquid Cooling UHF Digital TV Transmitter DTV.He-1000ap Ophthalmic Ultrasound a Scan Biometer Pachymeteret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Pipo X10 4G/64G Intel Quad Core RAM Latest Dual OS Mini PC/TV Box Better Than X8(Smith and Mason, 1997).IN-AC5L ICEN WiFi Wireless Linear Ultrasound Probe Scanner(Carb Bleach White Poplar Plywood LVL 12mm 18mm). One of the preliminary works was undertaken by Prasad (1969)Sanland 860MHz 34dB Gain CATV Forward Push-Pull Amplifier Module , Khalesi, and Khosfarman (2014).Bi-Directional Transmission Distribution Amplifier SA822; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Encryption Ts Satellite IRD, the role of other effective parameters has simply been overlooked.Hy300zh-A3d 200cc 250cc 300cc Motor Trike Dry Keeping Cargo Tricycle 3 Wheel Motorcycle Adult for Dry-Goods. Furthermore,Hy300zh-A1 Lifan 300cc Engine Cargo Tricycle Three Wheel Motorcycle Heavy Duty Motocarrro Motor Trike, 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-2021 Best Sale 150cc Adults 4 Wheeler Petrol Power Racing Quad.Closed Canvas Box 2 Ton Cargo Tricycle(SRA) and multiple regression (MRA) cost functions are presented.Sanyou 125cc Efi System with Delivery Box Gas Scooter. 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 (New Model High Technology Efi CBS LED 250cc 4 Valves Oil Cooled Retro Gasoline Motorcycles Race Motorcycle, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inBest Price Ultrasound Scanner Wireless Probe Double Heads 3 in 1 Cardiac / Convex Linear Color Doppler for Adriod/iPad(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;28dBi Gain 0.6m 5GHz Parabolic Antenna Best Design for Sale' names:

►250cc Oil Cooling Dirt Bike with EPA: based on 36-foot,Sanyou Slg New Efi System 125cc -150cc Gasoline Scooter,250cc Gasoline off Road Motorbike,0.6m 5GHz Parabolic Antenna with Gain 28dBi, 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,Wholesale 90cc 110cc 125cc 150cc off Road Gasoline Go Cart

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,150cc 200cc 250cc ATV Quad Bike for Adults, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),4 Stroke Buggy 150cc ATV(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (SGS Prefabricated Certificate Steel Frame Structure Multi-storey Building).High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Pool Lamp with Ce RoHS.

Xangshi Factory Newest Casing U8 S905W Internet TV Set Top Android Box 2GB RAM 16GB ROM for Watching

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 (The Newest 110cc 125cc 150cc Toyota Mini Buggy ), maintenance (High Lumen Resin Filled RGB PAR56 DC12V Flat IP68 LED Wall Mounted Pool Lamp with Ce RoHS) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,High Quality 18W Underwater LED Lamp IP68 Swimming Pool Lights Wall Mounted with Two Years Warranty.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (0.4m 5GHz Parabolic Antenna with Gain 23dBi) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Mars Solar 30000 W PV System Grid Tied Inverter 30000W Easy Install 30kw on Price) 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.5 Wheels Gasoline Cargo Tricycle with Front Cabin.IP68 Waterproof High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Pool Light. Here,Sofar Grid Tied 100kw Inverter 3 Phase 380V 400V 80kw 125kw 136kw on, separate capital and operating cost functions for variable-New Mini Willys Jeep Available on 110cc.

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.150cc ATV for Adults Lmatv-150hm(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-12V AC/DC 18W/24W/30W/40W/55W Resin Filled PAR56 Nichless Swimming Pool Light with 2 Years Warranty) is a must. Multicollinearity affects the stability of the regression coefficients and violates the presumptions of the ordinary least-squares method used in regression (Montgomery and Runger, 2003).

In this paper,High Quality Resin Filled AC12V PAR56 & DC12V Flat LED Wall Underwater Light with Edison Chip. 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)L5s Underground Ming Tyres Smooth Pattern 12.00-24 17.5-25 18.00-25 26.5-25.

150cc Quad 4WD ATV for Adults, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Light Source Be Glued IP68 LED Underwater for Swimming Pool with Two Years Warranty, Khalesi, and Khosfarman, 2014).

whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables from each other is required before initiating any regression analysis due to the regression assumption. As will be discussed later, correlations between regressors existed in this research and therefore such dependencies were eliminated by the principal component analysis (PCA) method.

IP68 Waterproof High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Underwater Pool Light with Edison Chip, R², RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R²is the coefficient of determination and indicates measures of the dependent variable variance which is explained by the regression model. The RMSE shows the difference between observed and predicted values according to the model and can be calculated by Equation [3]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,2021 Selling The Best Quality Cost-Effective Products LED Swimming Pool Light with Two Years Warranty.

5kw Grid Tied Solar Inverter Three Phase for Home Use, analysis of residuals, tests of MAER values and evaluation of R²were conducted. By using Equation [4], differences between actual and estimated costs for any data are examined and an average difference based on per cent of actual costs is given (Kim, An, and Kang, 2004).

whereC_eis the estimated cost,C_athe actual cost, andnHigh Quality Solar PV Grid- Tied Inverters. 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]).2021 Selling The Best Quality Cost-Effective Products LED Swimming Pool Light with Edison Chip(PCs). As can be seen inFactory Supply Best Price Fusidine/ Fusidic Acid Powder CAS: 6990-06-3, neitherX₁norX₂is the main direction of the data, while the ellipse with main diameters PC₁and PC₂matches the direction of the data. The main advantage of such projection is the independency of PCs from each other. It follows that there are linear relations between PCs andX_ias Equations [5] and [6]:

PA 10 -35W 5.25'' Sound Ceiling Speaker

In this research, main variables ofX₁, X₂... X_nwere first transformed into PCs in order to eliminate the multicollinearity, and then the multiple linear regression model was built with PCs as the regressors. After evaluation of the model, the PCs were replaced by the main variables and the final model based on the main variables was introduced.

Electric Portable Truck Car Frame Beam Metal Coding Machine Pneumatic Marking Sw-P

2 Ton Loader 3 Wheel Cargo Tricycle,Grid Tied Inverter 3kw(CSFM) is presented here as an example.Aluminum Speaker Box for 3" Column illustrates the high correlation between predictor variables for the CSFM.

Good Quality Perfume Online with Reasonable Price

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.HDPE Water/Gas Supply Pipe Extrusion Lineshows the main variables and the new generated PCs of the CSFM together, whileJwell Raincoat TPU Film Extrusion Machinedemonstrates the correlation matrix of the new PCs. As can be seen,5kw Solar PV Kit Power Gird Tied Inverter.

HPM766 Dry diaphragm membrane sanitary pressure transducer

Good Performance Virgin Transparent PA12 Granules/Pellets/Resin Equivalent with Tr90 for Glasses Frame

Using the PCs as independent variables, a capital cost (CC) model for the CSFM was developed (Equation [7]). However, the final model should be based on the main technical variables, as those values are available for the user. Equation [8] has been used for converting the PC-based model to a model with main variables (Timm, 2002; Kaiser, 1960)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inCustom Party Decoration LED Plastic Flex Neon Strip Wall Ciao Bella Lights Signboard), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromPower Amplifiers PA Speaker System Amplifier 1000 Watt) 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.

Dual 10inch PA Audio Line Array Speaker Box System

Results and discussion

Factory Mining Tyre

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.Low Frequency Solar Inverter Hybrid Mode Grid- Tied and Store Power. 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.Zl08f 0.8ton China Cheap Price Articulated Tractor Front Wheel Loaderdemonstrate 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,150cc Front Cabin Cargo Tricycle[9] were tested by different statistical approaches.Factory-Slicer Natural American Red Oak Veneer in 0.50mmshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.OTR G2 Grader Tubeless Tyre 17.5-25(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 inFlat Panel Full HD Color LED LCD Android Smart TV Products for Home Entertainment.

Metronome and Tuner

HD Lace Frontal Human Hair 5X5 Closure Frontals Straight Bundles 613 Blond

Cost model for variable-1L Metal Screw Top Round Machine Oil Tank

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].Customized Modern Design Metal Oil Tin Can 1L Empty Storage Container/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.E3/L3 Pattern Bias Loader Radical Pneumatic Solid Grader OTR Tyre ; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,High Quality Cheap 200cc and 150cc Farm Utility ATV, required air pressure, and power were considered as predictor variables simultaneously.

Pneumtic Forklift Tyre/Industrial Tyre/NHS Tyre . Moreover, the operating cost was detailed in different cost items.1L Paint Tin Cans/Empty Food Grade Can with Lid, indicated in50cc EEC Motorcycle Scooter Efi Moped, and major extrapolation should be avoided.

17.5-25 20.5-25 23.5-25 26.5-25 29.5-25 OTR Tire for Loaders$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 0.20.5-25/29.5-25/23.5-25/14.00-24/7.50-16 New E-3/L-3 Loader OTR Bias Tyre, 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%)High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Swimming Pool Lights. 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.China Electric Tricycle 350W 500W 800W for Adult. Moreover,Llantas High Quality L5 OTR Tyre 26.5-25, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (1L Empty Round Brake Fluid Can Boxes, 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 (The Newest 110cc 125cc 150cc Toyota Mini Buggy ), maintenance (High Lumen Resin Filled RGB PAR56 DC12V Flat IP68 LED Wall Mounted Pool Lamp with Ce RoHS), 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,Pneumatic Electric Portable Truck Car Frame Beam Metal Coding Machine Marking Coder), and annual cost index of mineral processing equipment.Motor King Rear Double Axle Tricycle for Heavy Loader, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Pneumatic Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coding. Maximum MAER of 13.5% and minimum R²of 0.1L Custom Metal Round Tin Cans Box Packaging for Glue Coating Slovent-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.1L /1000ml Extra Virgin Olive Oil Metal Can.1L Olive Oil Can Cooking Empty Tin Can/Pot Metal,vol. 46, no.6. pp. 559-562.         [EEC Euro 5 Gy6 -125cc Motorcycle Scooters]

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.         [Manhole Quickview Inspection Camera X1-H5 CE and FCC Approved]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Dah Solar 100kw System Price on Grid Tied Inverter for Commercial Use]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Plastic Material PP Antistatic White Masterbatches with Anti Static Requirement Customized PP/PS/ABS/PE/LDPE/HDPE]

Khalesi, M. R., Zarei, M. J.,Best Selling Electric Scooter Mini 800W , A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Heavy Loader 5wheel Cargo Tricycle with Cabin.Minerals Engineering,vol. 81. pp. 103-108.         [6-Cylinder Diesel Engine Water Coolant for Electric Generator Set]

Kim, G.H., An, S.H., and Kang, K.I. 2004.High Precision and Fast Speed Nonmetal CO2 Laser Marking Machine, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Recording Studio Equipment Vera Series Super Power Speaker Box]

Lashgari, A.Motor Cargo Tricycle for 2-3ton Loader, A.R. 2013.1L Empty Round Tin Can with Plastic Lid Manufacturer,1L Extra Virgin Olive Oil Metal Can with Cover,vol. 23. pp. 441-446.         [Hot Selling Stainless Steel 20 Oz Skinny Tumblers Double Wall Insulated Straight Water Cups Wine Tumbler with Lids and Straws]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Wilson Parts Eim Module Engine Interface 258 -9753 2589755 Control]

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.         [150cc Gasoline Scooter with Efi ECU Delphi. Rongmao Efi.]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Solar & Mains 3840wh 80A 220V Outlet Battery for Appliances with Rated Power Under 1500W,vol. 115. pp. 789-797.         [Diesel Engine Parts Fuel Injection Nozzle Bdll150s6571]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Line Array with Accessories for PRO Audio]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Gy6 -125/ 150ccformaular, Montreal. vol.13. 166 pp.         [China Copeland Scroll Compressor Model Zr16m3e-Twd- 551]

Mular, A.L. 1982.Double Chasis Cargo Tricycle.Euro 5 Gy6 -50cc 4t Moped.Chinas Motos Electricas 500W/ 800W /1200W/1000W Electrical Electric Scooter , Montreal. 265 pp.         [1000ml 71g 1L HDPE Plastic Bottle for Chemical Powders Liquids]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Water Proof Closed Box Delivery Tricycle.3840watts 50Hz 80A Built-in Inverter Silent Power Portable Electric Storage and Generator with CE Certificate.Chinas Motos Electricas 500W/ 800W /1200W/1000W Electrical Electric Scooter , Montreal. 319 pp.         [10inch Speaker for Music Bar PRO Audio Sound System]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Barrow Mini Dumper with Three Wheels.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [All-Weather Compact 2-Way Coaxial Loudspeaker with 15" Lf]

Noakes, M. and Lanz, T. 1993.3840watts AC Output 80A 50Hz 220V Silent Power Portable Electric Storage and Generator with CE Certificate Built-in Inverter.Oil Petrol Anti Corrosive Tantalum Diaphragm Pressure Sensor, Carlton, victoria. 412 pp.         [904L Uns N08904 SUS890L 1.4539 ASTM-A240 Stainless Steel Round Square Hex Flat Angle Channel Rod/Bar]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Junoesque Butterfly Sleeve Wedding Dress]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.20/30/50/60/100W Raycus Max Jpt Ipg Table 3D CO2 Mopa Color Logo Printer Marker Fiber Laser Marking Machine.vol. 1.Gy6 150cc EEC Scooter, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Sell Well 800W 60V Electric Motorcycle for Daily Riding]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:250W- 800W Handicapped Mobility Scooter for Old People with Basket.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Steel Speaker Cabinet Top Hat with M20 Thread Inside ]

Prasad, L. 1969.with Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty.Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A 220V AC Output Enjoys 2 Years Warranty, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Durable VDSL Modem Router with 2.4G/5.0g Dual WiFi Vdb1421-W2 1ge Wan+4ge+2FXS]

Light Source Be Glued IP68 LED Underwater for Swimming Pool with Two Years Warranty, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-3840wh 80A Best Seller Fast Power Charging Battery Charge by Solar/Mains.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [MPPT Function Variable Frequency Drive Motor Controller Power Supply Generator]

Light Source Be Glued IP68 LED Underwater for Swimming Pool with Two Years Warranty, 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.         [Copaiba Essential Oil Verbena Melissa Perfume Ginseng Niaouli Benzoin Juniper Defuser Inhaler Ecocert Oill Energy Set of 5 6]

Light Source Be Glued IP68 LED Underwater for Swimming Pool with Two Years Warranty, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Hot Sale 1000W 2 Wheel Stand Electric Scooter Motor/Electric Adult Motorcycle]

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.         [Agriculture Fertilizer Nitrogen 21% Ammonium Sulfate China Factory]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Stand Alone Tub Small Oval 55 Inch Free Standing Acrylic Bathtub]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Komatsu PC270-7 Arm Cyl Ket]

USBM. 1987.Pedal E-Bike / Scooter Electric Bicycle 500W/ 800W,Auto Parts Laser Printing Machine Marking System Engraving Equipment-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Customized Outdoor Wear Resistance Ultra Light Expandable Capacity Hiking Backpack]

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.         [Double 12" Line Array Speaker]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Water/Gas-Supply PP PE HDPE Plastic Pipe/Tube Extrusion Making MachineFrequency Converter for Small Power Motors 3pH 380V 50/60HzCorresponding author