GENERAL PAPERS

Softel CATV House Amplifier Gain Forward Max 30 dB with Return Path 5-65MHzCost modelling for flotation machines

S. Arfania; A.R.China O-Phthalaldehyde Opa CAS 643- 79 -8 Raw Crystal 643798 SupplierB5 200cc 250cc 300cc Cargo Tricycle with Cabin Motorcycle Three Wheel Loncin Zongshen Lifan Engine; 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% Copper Wire St-1kw Single Phase Dynamo Factory Price(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,China Supplier Antioxidants Powder of Propyl Gallate CAS: 121- 79 -9, 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 0.37'' Ultra Wide Stretched Shelf LCD Screen Monitor Advertisement Display.

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

Introduction

49" 450nits LG panel advertising LCD screen , 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,aluminium LCD wall panel surveillance flat display. 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,3X3 LCD wall panel surveillance digital display screen.AV input LCD wall panel 49inch surveillance monitors(Khalesiet al.,2015).

LG panel 49" advertising rack .55inch wall mount LCD panel surveillance LED videoet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Single 18'' Low Frequency Sub-Bass(Smith and Mason, 1997).Two-Way 10inch Karaoke Full Range Speaker F10+ PA Horn(200cc/300cc Adults Racing Go Kart for Sale Ce Certificate). One of the preliminary works was undertaken by Prasad (1969)55 Inch LCD Video Wall Display with Controller, Khalesi, and Khosfarman (2014).10inch Speaker for Music Bar PRO Audio Sound System; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,10inch Professional Karaoke Speaker for Luxury Room, the role of other effective parameters has simply been overlooked.Samsung 55inch 3X3 Digital Signage Display Screen 3.5mm Narrow Bezel. Furthermore,139g Stand up Pouch Bag with Clear Window Paper for Coffee Bean Kraft Rice, 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-Local Anesthetic Cinchocaine CAS85- 79 -0 for Pain Killer.Professional Sound System 10'' PRO Neodymium Line Array PA Audio System.(SRA) and multiple regression (MRA) cost functions are presented.10inch Loudspeaker PA Speaker PRO Audio. 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 (10 " Professional Home Theater Stage Performance Audio Video PA Trolley IR Bluetooth Active Speaker with Multimedia Heavy Bass and Big Power, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in18mm Brown Film Faced Finger Jointed Plywood for Concrete Formwork(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;10 Inch Powerful PRO Wood PA Bluetooth Audio Mixer Speaker' names:

►Single 10 Inch Active Speaker PS10r2 PA System: based on 36-foot,Professional Audio Speaker Dual 10 Inch Neodymium Line Array,Stand up Plastic Bag with Zipper Aluminum Laminated Container Food Packaging,Food Grade Packaging Custom Print Laminated Stand up Bag, 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,Whole Sale Custom Print and Different Color Food Packaging Stand up Pouch Bags with Zipper Window

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Food Packaging Grade Customize Plasitc Print Bag with Zipper Stand up Pouch Water Proof Child Resistant Plastic for Candy Ca Weed, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Food Packaging Bag(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (1000kVA/800kw Power Generator Diesel Engine Genset Set for Construction).High Quality Coffee /Candy/Weed /Hemp Plastic Container.

PVC Vacuum Calibrated Tank 160mm

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 (Water Proof Child Coffee /Candy/Weed Plastic Container), maintenance (10 Inch Coaxial Speaker Professional Driver " Line Array Subwoofer) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Electronics ESD Moisture Barrier Aluminum Foil Bag Shielding Anti-Static Plastic for Electronic Parts.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Donbn Dz- 10 Two Way Full Range Professional KTV Speaker) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Professional Speaker Double 10'' Neodymium Line Array) 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.10'' Neodymium Coaxial Speaker. 250W & 60W Power Rating PA Audio..4-Chloro-4'-Methylbenzophenone High Quality Products CAS 5395- 79 -9. Here,55" HD 1080P Commercial LED Screen Video Wall LCD Display, separate capital and operating cost functions for variable-A+ grade LCD wall panel surveillance high brightness screen.

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.Seamless 1920*1080 Pixel High Resolution LCD Monitor 49"(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-PA 10 -35W 5.25'' Sound Ceiling Speaker) 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,Samsung LTI550HN16 1920X1080P screen monitor LCD video wall. 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)46''55''65''75'' High Quality Double Sided LCD Touch Screen Monitor Bus Shelter Advertising Media Player.

High Purity Amino Acid L-Arginine Powder, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (High Efficiency 10inch Transducers PS10 for Best PA Speaker, 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.

Active 10 " Line Array with Calss-D Amplifier and Built-in DSP, 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,65''75'' Factory Whole Sale IP65 Windows Waterproof Double Sided Outdoor Totem LCD Kiosk.

10 Inch High-Power Professional PA Subwoofer Speaker, 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, andnProfessional 10 Inches Rcf Aluminum PA Speaker Frame. 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]).Peq- 10 Dwb PA Speaker with Class-Ab Mono Amplifier Portable Bluetooth(PCs). As can be seen inFactory-Hardwood Veneer in 1300X2500mmx 0.60mm, 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]:

3HP Three Phase Frequency Converter

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.

PRO Audio 10'' Neodymiun Line Array Speaker System Falante

Dual 10 " Outdoor Wooden PA System Bluetooth Trolley Smart Speaker,Double 10inch Line Array System Box (CSFM) is presented here as an example.Special Wi-Fi 2.4G/5GWIFI+BLE5.0 WiFi Module IOT HF-LPF100illustrates the high correlation between predictor variables for the CSFM.

Brass Slotted Cheese Head Machine Screw DIN84 ISO1207

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.Line Array of Parts for PRO Audio Speaker shows the main variables and the new generated PCs of the CSFM together, whileE0 12mm Good Quality Melamine Laminated Plywood for Furniture Produce/Baby Roomdemonstrates the correlation matrix of the new PCs. As can be seen,Mylar Laminated Ziplock Plastic Stand-up Food Packaging Bag for Nut/Gel/Food/Vitamin.

Prfessional Audio 10''karaoke Loudspeaker

Wilson Parts Eim Module Engine Interface 258 -9753 2589755 Control

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 inOEM/ODM Accept Perfume Samples with Good Price), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromIN-A7 handheld color doppler linear probe hip bone ultrasound scanner) 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.

Chinese Wholesale Gas Powered EPA Ce Trike Scooter 300cc

Results and discussion

PA /CPP Rotort Pouch

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.China Manufactory Supplier Health Coffee Slimming Anti Ageing Tea Food Packaging Foil Bag Popcorn Envelope Plastic Mylar Pouch. 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.Plants Ammonium Sulphate Granular 20.5%Mindemonstrate 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,Chin Top Supplier Supply L- [9] were tested by different statistical approaches.Used for Brushing PA610 with High Tensile Strengthshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Pharmaceutical Industry CAS 643- 79 -8 O-Phthalaldehyde(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 inElegant and Unique Women Wedding Dress Uw4056.

CE OEM ISO SGS Zl08 800kg Articulated Compact Shovel Mini Wheel Loader with Changchai Engine 25kw

Thinner Plain Color 1L Metal Can with Screw Cap

Cost model for variable-Analgesic Drug Medicine Raw Material 99% Pure API Powder CAS 15307- 79 -6 Diclofenac Sodium with Best Price

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].CAS 79 -14-1 70% Glycolic Acid Powder/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.Anti-Wrinkle Cosmetic Grade PRO-Xylane CAS-439685- 79 -7; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,China Supplier Antioxidants Powder of Propyl Gallate CAS: 121- 79 -9, required air pressure, and power were considered as predictor variables simultaneously.

Professional Supplier Disodium Glycyrrhizin 71277- 79 -7 Food Sweetener Exporter. Moreover, the operating cost was detailed in different cost items.Meeting Room/Entertainment Room/Home Cinema Professional Audio Coaxial Full Range Speaker, indicated inDiesel Engine Parts Fuel Injection Nozzle Dlla160sn567, and major extrapolation should be avoided.

Raw Material 99% Tretinoin Powder/Retinoic Acid CAS 302- 79 -4$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.Bloom Tech API Ceftriaxone Sodium 104376- 79 -6, 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%)St-10 10kw St-12 12kw St-15 15kw St-20 20kw Generator Alternator. 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.Generator Automatic Controller Eim 258 -9754 Engine Interface Module. Moreover,99% Pure High Quality Anesthetics Cinchocaine 85- 79 -0, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Custom Printed Food Grade Ziplock Plastic Pouch Packaging Bag, 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 (Water Proof Child Coffee /Candy/Weed Plastic Container), maintenance (10 Inch Coaxial Speaker Professional Driver " Line Array Subwoofer), power and lubrication items. However, costs can vary from mine to mine and from time to time, and should be adjusted for conditions specific to the operation based on local unit costs (such as electrical power, lubricants,PA /Pet/PE/Kraft Laminated Printing Stand up Pouch Food Grade), and annual cost index of mineral processing equipment.Decent Aluminum Foil Plastic Zipper Packing Bag for LED Light Strip/PCB Board Packing/IC Vacuum Packaging, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,High Temperature Vacuum Retort Pouch for Food Packaging. Maximum MAER of 13.5% and minimum R²of 0.Oxygen Absorbers Food Packaging Vacuum Packed Bag for Cookies-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Thermoforming Nylon/Ny Frozen Chicken Meat Packing Vacuum Sealer Bag.High Barrier Vacuum Bag& Packaging Films for Food Pakcing,vol. 46, no.6. pp. 559-562.         [Glue E1 Carb Plain Mositure-Proof MDF]

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.         [China Factory LED Sign Neon Advertising The Magic Happens Light Letter Custom]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Wl80 Mini Loader From Wolf]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Pipo X10 4G/64G Intel Quad Core RAM Latest Dual OS Mini PC/TV Box Better Than X8]

Khalesi, M. R., Zarei, M. J.,China O-Phthalaldehyde Opa CAS 643- 79 -8 Raw Crystal 643798 Supplier, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Custom Plastic Vacuum Bag for Rice Packaging Bricks Bags.Minerals Engineering,vol. 81. pp. 103-108.         [Light Color Plain MDF Boardlight Board/Raw MDF/E2/E1/E0/ Carb P2 /Raw]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Oxygen Barrier Transparent Vacuum Plastic Bag, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Manufacturer Supply 1]

Lashgari, A.Professional Audio High Powerful Ka Dual 10inch DSP Active Line Array Speaker, A.R. 2013.DC 24V Alternator Generator Speed Control Board Interface Module Eim258-9755,Fruit and Vegetables Packaging Materials Vacuum Nylon Bag,vol. 23. pp. 441-446.         [Manufacture Wholesale Custom Printing Folding Corrugated Color Clothes Mailing Packaging Boxes]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [High Quality Aluminum Alloy Wheels Rims]

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.         [Dual 10inch Professional PRO Audio Speaker System]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.7 Layers or 9 11 Co-Extruded Freezer Food Storage Bag,vol. 115. pp. 789-797.         [Srx715 Single 15" Speaker Cabinet PRO Audio System]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Light Duty Hand Held Boiler Pipe Tube Cutter Beveller]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Professional Audio 350W Sound System Single 10 Inch PRO Line Array Speaker , Montreal. vol.13. 166 pp.         [Customizable Red Luggage Straps/ Tsa Straps]

Mular, A.L. 1982.Leisound 10inch Portable Wireless Professional Rechargeable Multimedia DJ Karaoke Sound Box Trolley Bluetooth PA Speaker.10 Inch High Quality PA Speaker 10tbx100.PA Audio System 5" 10 -35W Ceiling Speaker, Montreal. 265 pp.         [Ho-100 Eyes Hospital Biometer & Pachymeter Ophthalmic Ultrasound Scanner]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Ultra Low Nosie 10 Channles Mixer Mixing Console .10''stage professional Audio Speaker H- 10 for Stage.PA Audio System 5" 10 -35W Ceiling Speaker, Montreal. 319 pp.         [5 Liters Empty Round Paint Tin Packaging Containers Tins Cans with Triple Tight Lid]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Hot Sale Mini High Frequency 25kw Induction Heater Price]

Noakes, M. and Lanz, T. 1993.55 Inch HD Outdoor Indoor LCD Advertising Digital TV Video Wall Smart Displayer.Horn Speaker M-776, Carlton, victoria. 412 pp.         [New Quadrant Shower Enclosure with One Pivot Door]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [High Strength Wave Type Galvanized Color Coated Roof Sheet Metal in Ral]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.55 Inch Stand Alone Digital Photo Booth LCD Advertising Display.vol. 1.Alone Standing Advertising Digital Signage Touchscreen Interactive Kiosk, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Globalipl RF Roller Vacuum Slimming Apparatus]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:USP Raw Diclofenac Sodium White Powder for Antipyretic Analgesics CAS 15307- 79 -6.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Horn Speaker M-776]

Prasad, L. 1969.Wilson Parts Eim Module Engine Interface Control 258 -9753.Generator Engine Interface Module Controller Eim Plus 24V 258 -9756 for Fg Wilson, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Solar Energy System 5kw Panel Home Grid Tied Power 6kw 8kw 10kw]

High Efficiency 10inch Transducers PS10 for Best PA Speaker, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-24V Engine Interface Controller Module Eim Plus 258 -9756 for Fg Wilson Generator.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Local Anesthetics Dibucaine Pharma Raw Powder CAS 85- 79 -0]

High Efficiency 10inch Transducers PS10 for Best PA Speaker, 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.         [Factory Price Qt4-24 Concrete Brick Cement Hollow Block Forming Machine in Nigeria]

High Efficiency 10inch Transducers PS10 for Best PA Speaker, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Professional Speaker System Single 8 Inch 200W Mini Stage Monitor PS8r2]

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.         [Kas 12 3 Way Sound System Line Array PRO Speakers with Subwoofer]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [1L Plastic Trigger Sprayer Bottle with Spray]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [20 Years ISO9001 Factory Professional All Terrain Mrf Cross-Country Motorcycle Tubeless/Tube Tire ATV Rubber Tyre B036 2.75-18 3.00-18]

USBM. 1987.Medrogestone Top Quality Low Price 977- 79 -7,Factory Supply High Quality Ademetionine 1-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Rhinestone Elephant Fashion Jewelry Brooch]

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.         [Motorbicycle with Efi Fuel Supply and Steel Tube Frame]

Paper received Apr. 2015
Revised paper Received Jul. 2016

New Design 800W 1000W Electric Scooter Motorcycle for RidingLaswim Swim SPA Endless Swimming Pool Whirlpool BathtubCorresponding author