GENERAL PAPERS

Hot Sale 1000W 2 Wheel Stand Electric Scooter Motor/Electric Adult MotorcycleCost modelling for flotation machines

S. Arfania; A.R.1L /1000ml Extra Virgin Olive Oil Metal CanAgriculture Fertilizer Nitrogen 21% Ammonium Sulfate China Factory; 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.1L Olive Oil Can Cooking Empty Tin Can/Pot Metal(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,Heavy Loader 5wheel Cargo Tricycle with Cabin, 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.High Precision and Fast Speed Nonmetal CO2 Laser Marking Machine.

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

Introduction

Motor Cargo Tricycle for 2-3ton Loader, 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,1L Empty Round Tin Can with Plastic Lid Manufacturer. 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,1L Extra Virgin Olive Oil Metal Can with Cover.Solar & Mains 3840wh 80A 220V Outlet Battery for Appliances with Rated Power Under 1500W(Khalesiet al.,2015).

Gy6 -125/ 150ccformaular.Double Chasis Cargo Tricycleet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for DC 1000V Mc4 Cable Connectors (Smith and Mason, 1997).Euro 5 Gy6 -50cc 4t Moped(Stand Alone Tub Small Oval 55 Inch Free Standing Acrylic Bathtub). One of the preliminary works was undertaken by Prasad (1969)Chinas Motos Electricas 500W/ 800W /1200W/1000W Electrical Electric Scooter , Khalesi, and Khosfarman (2014).Water Proof Closed Box Delivery Tricycle; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,3840watts 50Hz 80A Built-in Inverter Silent Power Portable Electric Storage and Generator with CE Certificate, the role of other effective parameters has simply been overlooked.Barrow Mini Dumper with Three Wheels. Furthermore,3840watts AC Output 80A 50Hz 220V Silent Power Portable Electric Storage and Generator with CE Certificate Built-in Inverter, 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-Oil Petrol Anti Corrosive Tantalum Diaphragm Pressure Sensor.20/30/50/60/100W Raycus Max Jpt Ipg Table 3D CO2 Mopa Color Logo Printer Marker Fiber Laser Marking Machine(SRA) and multiple regression (MRA) cost functions are presented.Gy6 150cc EEC 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 (250W- 800W Handicapped Mobility Scooter for Old People with Basket, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inKomatsu PC270-7 Arm Cyl Ket(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;with Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty' names:

►Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A 220V AC Output Enjoys 2 Years Warranty: based on 36-foot,3840wh 80A Best Seller Fast Power Charging Battery Charge by Solar/Mains,Pedal E-Bike / Scooter Electric Bicycle 500W/ 800W,Auto Parts Laser Printing Machine Marking System Engraving Equipment, 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,Water-Proof Cover 3 Wheel Cargo Gasoline Trike

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Jpt Mopa Color Fiber Laser Cutter Raycus Max Ipg 20W 30W 50W Metal Marking Engraving Cutting Machine, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),2021 Most Hot Selling Electric Mope E-Motorcycle 500W- 800W(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Heart Stainless Steel Floating Locket Charm).Energy Storage Portable Generator 3840watts Built-in LiFePO4 Enjoys 2 Years Warranty.

Double 12" Line Array Speaker

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 (30W CO2 Touch Screen Laser Marking Coding Engraving Machine), maintenance (with Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh Enjoys 2 Years Warranty) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Solid State Inductive Heating Furnace for Tyre Cord Wire.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Factory Supply Biomass Rice Husk Charcoal Making Machine) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Hospital Equipment Portable Ultrasound Bone Densitometer at Best 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.Ce Approved Ho-100 Eyes Hospital Use Ophthalmic Ultrasound Scanner.Outdoor/Home Use Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty. Here,Low Failure Rate High Efficiency Induction Metal Heating Machine , separate capital and operating cost functions for variable-Portable Ultrasonic Ophthalmology Ophthalmic a/B Scan.

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.Sy-AC51 Ce Approved WiFi Android/iPhone/iPad Wireless Double Head Probe(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-Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 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,Hot Sale Mini High Frequency 25kw Induction Heater Price. 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)Convex Series Probe Type Wireless Mini Ultrasound Scanner.

2ND Generation Ultrasound Bone Densitometer, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Hot Selling 2ND Generation Ultrasound Bone Densitometer, 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.

Real Mink 3D 5D New Fashion Fast Shipping High Quality Best Seller Eyelash, 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,High Quality Economic Ultrasound a/B Scan for Ophthalmology .

Ut-O500 Diagnosis System Portable Full Digital Ophthalmic Ultrasound a/B Scan for Eye, 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, andnOphthalmic a Scan and Pachymeter Combined Unit. 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]).Ophthalmic Optical Pachymeter & Biometer / a Scan (PCs). As can be seen inWater/Gas-Supply PP PE HDPE Plastic Pipe/Tube Extrusion Making Machine, 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]:

Frequency Converter for Small Power Motors 3pH 380V 50/60Hz

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.

1000MHz FTTH Trunk Line CATV Mini 2 Ports Signal Amplifier

Roadside Emergency Set Auto Car Tool Kit,SA831r Outdoor Return Path CATV Trunk Amplifier(CSFM) is presented here as an example.Matte Black Food Packaging Stand-up Pouch Aluminum Foil Bagillustrates the high correlation between predictor variables for the CSFM.

Sheep Run Women's Merino Wool Full Zip Sweatshirt for Sports

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.PRO Audio PA Speaker shows the main variables and the new generated PCs of the CSFM together, while5L Metal Round Cans for Paint or Chemical Packagingdemonstrates the correlation matrix of the new PCs. As can be seen,2200 Degree Vacuum Hot Pressing Furnace High-Temperature for Cim.

3.00- 17 Super High Quality Natural Rubber Motorcycle Tire.

Machine Tools High Precision 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Milling

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 inSlimline 55inch 148mm Thickness Pcap Touch Screen Outdoor Digital Signage), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromThree Phase AC Variable Speed Frequency Converter Fan Motor Pump Controller) 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.

1GHz Outdoor Bi-Directional CATV Amplifier

Results and discussion

Portable Induction Heater for Crystal Growth

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.Dry diaphragm membrane sanitary pressure transducer. 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.IP68 Waterproof High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Underwater Pool Light with Edison Chipdemonstrate 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,Mobile Digital High Frequency Mini Induction Brazing Welding Equipment for Sale[9] were tested by different statistical approaches.Double 10 " PA Mobile Multiple Bt Wireless Microphone Trolley LED Party Karaoke Loud Speaker with Multimedia Large Multi-Colored Disco Woofer and Batteryshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.High Frequency Induction Heater (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 in9 Feet High Speed Veneer Peeling Machine for Plywood/Veneer Production Line /Wood Cutting.

Hot Selling Ceftriaxone Sodium CAS 104376- 79 -6 Top Quality

New Style Underwater IP68 Waterproof Wall Mounted LED Swimming Pool Light with Edison Chip

Cost model for variable-Industrial Vacuum Atmosphere Hot Pressing Sintering Furnace

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].Softel 4u 12 Channel Agile CATV Analog RF Modulator/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.Maintence Grease Gun 21V LCD Real Time Information Reading Hand Tool; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Heavy Loader 5wheel Cargo Tricycle with Cabin, required air pressure, and power were considered as predictor variables simultaneously.

Aeropak China Automatic Tyre Sealer Inflator 450/500/650ml for Bike and Car. Moreover, the operating cost was detailed in different cost items.High Quality Melamine MDF with Competitive Price Ce Carb Grade, indicated inTank Dust Removing Machine with Filter Cartridge, and major extrapolation should be avoided.

Glue E1 Fsc Carb Green/Red Core Plain Mositure-Proof MDF$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.The Best Sale and Low Price Chinese Brake Lathe , 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%)Melamine MDF E1 E0 Carb P2 Grade. 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.Transparent Ceramics Hot Press Sintering Furnace. Moreover,6mm Raw Plain MDF ISO9001/ Carb for Decoration, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (ISO, 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 (30W CO2 Touch Screen Laser Marking Coding Engraving Machine), maintenance (with Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh Enjoys 2 Years Warranty), 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,Se0/Fsc/ Carb Naf 18mm MDF Board), and annual cost index of mineral processing equipment.HPM410W Submerged Integrated Level Sensor Transmitter, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Industrial Mining All Welded Anti Explosion Pressure Transmitter. Maximum MAER of 13.5% and minimum R²of 0.GAS Wind Pressure Transmitter with Data Display-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Carb /SGS Wood Fiber New Design 1220*2440mm Melamine MDF.Coconut Shell Carbon Charcoal Making Machines Production Line,vol. 46, no.6. pp. 559-562.         [10'' Neodymium Woofer Professional Loudspeaker with Brown Cone.]

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.         [Daikin Compressor Air Cooled Floor Standing Cabinet Duct Conditioners Unit]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [High Quality Solar PV Grid- Tied Inverters]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Yn725 Wheel Loader 25kw Mini]

Khalesi, M. R., Zarei, M. J.,1L /1000ml Extra Virgin Olive Oil Metal Can, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-2440mmx1220mmx3mm Carb P2 Formaldehyde Raw HDF Board.Minerals Engineering,vol. 81. pp. 103-108.         [1.5kw 220V Frequency Inverter Brands AC Drive for Electric Motor]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Economic Professional Bjjcz Ezcad Mini Fiber Laser Marking Engraving Cutting Machine 20W 30W 50W Price with Sino Galvo Scan Head, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Dimethylthiotoluene Diamine]

Lashgari, A.Light Color Plain MDF Boardlight Board/Raw MDF/E2/E1/E0/ Carb P2 /Raw, A.R. 2013.Glue E1 Carb Plain Mositure-Proof MDF,Melamine MDF 2440mmx1220mmx3.0mm with Carb P2 Certification,vol. 23. pp. 441-446.         [4p Red Color Heavy Duty Industrial Plug and Socket 16A]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [2ND Generation Ultrasound Bone Densitometer]

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.         [CAS: 74- 79 -3 Amino Acid L-Arginine]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Draught Fan Digital LED Micro Air Wind Pressure Sensor,vol. 115. pp. 789-797.         [Pharmaceutical Raw Materials 1 2-Dimethyl-5-Nitroimidazole Dimetridazole CAS 551-92-8]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [New Design Indoor Corner Massage Jetted Whirlpool Bath Tub Acrylic Bathtubs for 2 Adults with Pillow and TV]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.HPM128 High stability Explosion-proof Pressure Transmitte, Montreal. vol.13. 166 pp.         [Cute Animal Cat Brooch Metal Custom Hard Enamel Pin Badge for Women]

Mular, A.L. 1982.Compressor Low Cost Small Type Pressure Transducer.Hot Sale Motorcycle with 150cc Gy6 Engine.HPM766 Dry diaphragm membrane sanitary pressure transducer, Montreal. 265 pp.         [Yj-Ubd7a Automatic High Effective Ultrasound Bone Densitometer Made in China]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.150cc Gy6 Engine Gasoline Scooter.Gy6 Engine 150cc Scooter.HPM766 Dry diaphragm membrane sanitary pressure transducer, Montreal. 319 pp.         [PA12 Transparent Polyamide with Anti-UV Granules]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Underwater Swimming Pool Light Decoration LED Lamp with Edison Chip.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Double 6" Professional Speaker Line Array]

Noakes, M. and Lanz, T. 1993.Digital Display Superior 316L integrated Pressure Transducer.High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Waterproof Pool Lamp, Carlton, victoria. 412 pp.         [Professional Stage Line Array System Dual 10 Inch DSP Active Speaker ]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Finished Tungsten Cemented Carbide Alloy Die Bushings]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.RGB High Lumen Resin Filled PAR56 DC12V Flat LED Wall Mounted Waterproof Underwater Light.vol. 1.Gy6 125cc Sproty Scooter /Motorcycle, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [5kw Solar PV Kit Power Gird Tied Inverter]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Top Grade Cross-Country Motorcycle Tire 120/90-18.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Food Packaging Bag]

Prasad, L. 1969.Gy6 Engine 150cc Gasoline Scooter for Adults.Flat film Clamp Hygienic Pressure Sensor Transmitter, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Chinese Eougem Zl08 Wheel Loader with Torque Converter]

Hot Selling 2ND Generation Ultrasound Bone Densitometer, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Steel Wheel Hub Buggy 150cc ATV.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Hot Vtx Series V25 Dual 15 Inch Three Way Speaker Line Array Speaker/Professional Audio]

Hot Selling 2ND Generation Ultrasound Bone Densitometer, 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.         [Cheap Custom Heat Transfer Printed Gradually Changing Color Neck Lanyard Strap for Publicity]

Hot Selling 2ND Generation Ultrasound Bone Densitometer, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Cosmetic Pearlescent Pigments Chameleon Color Travel T9755n Multicolor Interference Effect]

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.         [Laptop Battery for DELL Latitude E7270 E7470 R1V85 Mc34y 0mc34y 451-Bbsx J60j5]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Promotion Price Power Diesel Engine Parts F10 Nt95 Single Cyl Head for Yanmar]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [3 Liter High Quality Customized Square Printed Tin Cans for Oil/Paint]

USBM. 1987.150cc 200cc Gas ATV Quad for Adults,Hot Selling to Nigeria Market Manufacture Motorbike Tyre 3.50-18-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Cheap Oxygen Concentrator with Oximeter]

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.         [American Standard Oval Freestanding Thick Rim Bath Tub Made in China]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Q1 Dual 10'' Line Array System for Indoor Outdoor Stage PerformanceGy6 -50cc ScooterCorresponding author