High Stable Universal Pressure Transmitter

SciELO - Scientific Electronic Library Online

Â
vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
Home Pagealphabetic serial listingÂ

Made in China Good Quality Breathable Clothlike Disposable Baby Diaper

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

10'' Ferrite Woofer Best Price LoudspeakerCost modelling for flotation machines

S. Arfania; A.R.2021 Hot Sale 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years WarrantyAC 3 Phase 380V Compact Vectorial Inverter Frequency 220V; 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.500W/ 800W Brushless Motor Electric Mobility Scooter for Cargo (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,1L Microstome Metal Drum Customization Printing Logo, 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 0.1L Metal Tin Cans with Lid for Paint or Chemical.

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


Introduction

Free Sample 5GHz Antenna Rubber Gain, 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,Sanland 860MHz 34dB Gain CATV Push-Pull Amplifier Module . 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 Printed Round Metal Paint Tin Can with Lid.4G 32g H96 Max 3566 World International Best Custom Internet Digital TV Converter 4K Smart Android Box(Khalesiet al.,2015).

38mm 42mm CATV Plug in 0~20dB Hfc Attenuator Pad.Round Shape Paint Chemical Coating 1L Metal Tin Can / Canister with Lidet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Factory Supply  2-Phenylbenzimidazole  CAS 716- 79 -0 with Best Price(Smith and Mason, 1997).High Quality 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warranty(Sectional Stanford Sofa). One of the preliminary works was undertaken by Prasad (1969)E-Bike / Electric Scooter /Electric Moped 60V/72V 20ah 800W 1kw 2kw, Khalesi, and Khosfarman (2014).Sy-A041 Medical Equipment Portable Ophthalmic Ultrasound a/B Scanner; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Erbium-Doped Fiber Amplifier Optical Power Adjustable , the role of other effective parameters has simply been overlooked.Dirt Bike for 199 Cc Displacement. Furthermore,Sab-500 Ophthalmic a/B Scanner, 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-[Softel]Agile Modulator Full Range CATV Agile Tunable Ah-802h.200cc Reverse Wholesale Motor Light Three Wheel Motorcycle (SRA) and multiple regression (MRA) cost functions are presented.Industrial Energy Saving Device Made in China. 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 (150cc Enclosed Gasoline Motorized Cargo Trike with Box , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inStand-up Ziplock Dried Food Packaging Vacuum Plastic Container(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Xprobe Series Built-in Screen Wireless Probe Type Ultrasound Scanner' names:

Power Saver Box Energy: based on 36-foot,Power Saver Energy Saving Device,Power Saver for Industrial ,Industry Saveing Box , 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,Industry Saveing Box

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Motorcyle with Bore * Stroke 66*58.2 mm, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Electricity Saving Device 600amp (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (High Efficiency Gas Convection Oven with Proofer/Cake Baking Oven/Convention).250cc Motor Cabin Tricycle Cargo with Canopy.

Topleo I96 King 1GB/2GB RAM Smart Android 7.1 Quad Core Internet 4K Ultra HD Support TV Box

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 (Safety Cover Full Mini Enclosed Sealed Fiber Laser UV Marking Machine Price), maintenance (Flexible Label Laser Marking Machine) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Flying Laser Marking System Marker.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (800W Color Fashion Electric Motorcycle) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (20W 30W 50W 150X150mm 200X200mm Lens Metal Steel Fiber Laser Machine) 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.Label Marking Equipment Laser Machine for Car Body Labels.Electric Bike 800W ODM Mountain Ebike with Powerful Motor. Here,Latest Electric Scooter 800W Citycoco, separate capital and operating cost functions for variable-16/24 Channel RF Combiner Passive Mixer.

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 Cheap Open Gas Reverse Trike (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-Sport Using Motor Vehicle with Sealed Chain Final Drive) 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,GS-a 12mm CATV Fixed RF Attenuator. 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)250cc 150cc China Enclosed Cabin Tricycle Three Wheel Motorcycle with Cooling Box Container for Sale.

Automatic High Effective Medical 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 (New 50cc Monkey Bike Gasoline Motorcycle Euro 4, 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.

China 250cc New 3 Wheel Motorcycle Motor Tricycle, 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,3ru 24 in 1 CATV Fixed Channel Modulator .

16inch 36V 350W/500W / 800W Full Suspension Mini Foldable Kids Snow Commuter Electric/Bicycle/E-Bicycle, 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, andnSatellite Ts Encryption HD Receiver with Multiplexing Function. 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]).Motor Tricycle Three Wheel Cargo Trike for Sale(PCs). As can be seen in2-30mm Hot Sale Double Sided E0/E1 Glue Melamine/Fancy Plywood for Furniture, 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]:

Bp Grade Benzyl Benzoate 99% Min

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.

Motorbicycle for Well Done Accessories

16 in 1 CATV Modulator Fixed Frequency,8 Channels HDMI to DVB-T Modulator(CSFM) is presented here as an example.Clear Colorless Liquid Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Deliveryillustrates the high correlation between predictor variables for the CSFM.

Saip annealed cold drawn Ml40cr phosphate coated forging alloy steel wire for the manufacture of fasteners

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.Replica Aluminum Alloy Wheels for Jaguar Xe/Xf/Xj/E-Pace/F-Pace/F-Typeshows the main variables and the new generated PCs of the CSFM together, whileHot Sale and Competitive Price Electric Motorcycle Scooter for Dailydemonstrates the correlation matrix of the new PCs. As can be seen,Medical Equipment Ho-200 Ophthalmic a/B Ultrasound Scanner.

258kw 6cylinder Wd Series Diesel Engine for Generator Set

Square Tin with Airtight Lever Lid for Tea

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 inHigh Quality Inner Polish Tungsten Carbide Forming Draw Dies), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromPVC Marble Coated Decorative Sheet Production Line Extruder) 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.

Foil Liquid Packaging Stand up Spout Pouch Food Bag

Results and discussion

Motor Vehicle for High Speed and Stable Function

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.Outdoor 750MHz One Way CATV Trunk Amplifier . 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.Pest control Flies Cockroaches Mosquitos spray Deltamethrin 2.5%SCdemonstrate 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,China Enclosed Ice Cream Tricycle Three Wheel Cargo with Cooling Box[9] were tested by different statistical approaches.Living Room Furnitureshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.New Racing Motorcycle(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 in2 Gang 4 Wire Rj11 Telephone Outlet.

200kw Grid Tied Solar System for Factory Use

Professional Sound Speaker System Single 10 Inch Mini Passive Line Array Vr10

Cost model for variable-Cheap 3 Wheel Cargo Tricycle with Box

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].Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital/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.Motorcycle for 1405mm of Wheel Base; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,1L Microstome Metal Drum Customization Printing Logo, required air pressure, and power were considered as predictor variables simultaneously.

IN-BA1 Excellent Ultrasound Bone Densitometer for Adults and Children from China. Moreover, the operating cost was detailed in different cost items.5150-5850MHz Sector Panel Antenna with 2*16dBi Gain for Best Design, indicated inYn725 Yineng Mini Wheel Loader 18.5kw Cabin, and major extrapolation should be avoided.

China Ophthalmic Equipment$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.Hot Sale Jincheng Jc200t-8 Scooter Motorcycle with Good Price, 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%)China Gas Scooters 2 Stroke Euro 4 125cc Moto Moped Motor EPA 49cc 50cc 150cc EEC Motorcycle Gasoline Scooter. 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.Best Selling Ophthalmic Ultrasound a/B Scanner Full Digital Touch Screen. Moreover,Ho-100 Ophthalmic Ultrasound a Scan Pachymeter, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Sy-AC51 Best Price 128 Elements Wireless Probe with Color Doppler, 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 (Safety Cover Full Mini Enclosed Sealed Fiber Laser UV Marking Machine Price), maintenance (Flexible Label Laser Marking Machine), 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,Innopack 1L Square Engine Oil Tin Can with Screw Cap Manufacturer), and annual cost index of mineral processing equipment.1L Round Tin Pail with Sealed Lid and Plastic Handle for Paint Use, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,5GHz Antenna High Gain 29dBi. Maximum MAER of 13.5% and minimum R2of 0.2.4- 5GHz MIMO Omni Antenna with 2.4G Network System-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Sector Antenna 5GHz.Mini Wheel Loader Small Dumper Hoflader Wolf Zl08,vol. 46, no.6. pp. 559-562.         [L-Pyroglutamic Acid]

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.         [Weda Qt4-24b Semi Automaticvibration Compressed Interlocking Hourdis Paver Hollow Solid Curbstone Color Blocks Brick Making Machinery]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Polyamide Resin for Gravure Plastic and Paper Printing Ink]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Air Drive Multiple Capable Loose Tubes Pipes Beveling Machine]

Khalesi, M. R., Zarei, M. J.,2021 Hot Sale 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warranty, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-2.4G- 5GHz Fiberglass Omni Antenna with 8dBi Gain WLAN/WiFi.Minerals Engineering,vol. 81. pp. 103-108.         [Melamine Molding Powder for Making Tableware Dishware China]

Kim, G.H., An, S.H., and Kang, K.I. 2004.2.4- 5GHz MIMO Omni Antenna with 11dBi, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Frequency Converter Three Phase Variable Speed Drive 220kw Generator Air Pump]

Lashgari, A.2.4- 5GHz Omni Antenna , A.R. 2013.E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 29.5-25,1L Tin Can for Oil,vol. 23. pp. 441-446.         [LED 5-30 Watt Street Lamp with 360degree Adjustable Solar Panel]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Child Resistant Stand up Exit Bag]

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.         [1.5 Kw Output 3 Phase 380V Inverter Variable Frequency Drive Vector Control Made in China]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Trade Peak Lowest Price for 150cc ATV,vol. 115. pp. 789-797.         [Power Amplifier Module Board + Made in China 400 Watt AMP]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [China Original Mini Bucket 0.8ton Wheel Loader Yz908 Construction Equipment]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.L-Guard Factory L-5 OTR Tires 23.5-25 P. R. 20, Montreal. vol.13. 166 pp.         [Looking for Wholesaler]

Mular, A.L. 1982.2021 New China Adult Tricycle Motor Cargo for Sale.Wholesale China High Quality OTR Tyre 17.5-25 G2 Pattern..Suzhou Innopack 1L Metal Rectangular Tin with Screw Cap in Low Price, Montreal. 265 pp.         [Home Theater PA PRO Audio Speaker]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Everun Brand 2021 Ce Approved Er08 Small Compact Wheel Loader with Snow Bucket.2021 New Model 125cc 150cc Ce Approval off Road ATV.Suzhou Innopack 1L Metal Rectangular Tin with Screw Cap in Low Price, Montreal. 319 pp.         [Water Cooled Cylinder Diesel Engine Used for Generator Set]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 18.00-25.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [800kg China Small Front High Quality Wheel Loader for Sale in Europe]

Noakes, M. and Lanz, T. 1993.40*160 mm Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coder.Zl08 800kg China Articulated Mini Small Compact Front End Wheel Loaders with Ce, Carlton, victoria. 412 pp.         [China Heavy Load Inverter 220V 380V Three Phase Converter DC to AC]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Cotton material bamboo muslin nappies]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Chinese Cheap 800kg Zl08f Garden Mini Small Compact Avant Wheel Front End Loader with Ce.vol. 1.OTR Heavy Loader Tyre L5 20.5-25 Size Best Price, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Pipo X8 PRO Win 10 Android 5.1 Z8350 Support Bluetooth 4.0 7 Inch Tablet PC]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Mars Solar 30kw Power System on Grid Tied Micro Sine Wave Inverter.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [N21% White Granular Ammonium Sulphate]

Prasad, L. 1969.1167 Single Phase 3 110V/220V/380vgrid- Tied Inverter for Residential or Commercial Application 3kw-80kw.L5 Nylon Mining Loader OTR Tyre 20.5-25 off-The-Road Tire, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Hot Sale Lady Style 60V 800W 20ah Electric Scooter with USB]

New 50cc Monkey Bike Gasoline Motorcycle Euro 4, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Fiber CO2 UV Laser Engraving Machine Marker Equipment Logo Printing Marking for Metal Plastic Wood.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [4GB32GB 4K Android TV Box Digital Display T95X2 with Amlogic S905X2 Internet Quad Core CPU Media]

New 50cc Monkey Bike Gasoline Motorcycle Euro 4, 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.         [New Model Pipeline Inspection Periscope X1-H5 with Laser Measurement]

New 50cc Monkey Bike Gasoline Motorcycle Euro 4, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Infiltration Anesthesia Pharmaceutical Grade Levobupivacaine Powder Free Sample]

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.         [Dirt Bike for Sport Using with Large Power Engine]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Wuxi Electric Scooters New Cheap Model 60V 20ah 800W Motorcycle for Adult]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [DOT Certified Natural Rubber Motorcycle Tires 3.00- 17 with Golden Quality]

USBM. 1987.Lithium Polymer Battery Mica 3.7V Mc602540 550mAh Li Pack for Electronic Device,New Model High Quality 4 Stroke LED Efi 50cc 100cc 110cc Gasoline Scooter Gas Moped Super Soco Bike Mini-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Hot-Selling Croco PU Bum Bag Customized Color & Printed Waist]

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.         [Portable Ultrasonic Ophthalmology Ophthalmic a/B Scan]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Combo Speaker Professional Loudspeaker /Doule 10'' Line Array SystemCAS No. 63428-84-2 Good Quality Co-Solvent Soluble Polyamide Resin for Printing InkCorresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aPAR56 IP68 Waterproof Outdoor Underwater LED Swimming Pool Light