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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.Adult 150cc 200cc 300cc EPA Approved Three Wheel Mptorcycle Scooter(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,300cc Road Legal Ault Street Gas Three Wheel Scooter, 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.China Supplier Ophthalmic Equipment Ultrasound Ab Scan.

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

Introduction

Vimode Electric Scooter Adult Motorcycle for Adults 800W, 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,150cc/200cc/250cc / 300cc Three Wheel Cargo Motorcycle /Tricycle. 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,Heavy Duty Tricycle 250cc.Electric Motorcycle Fashion Design 800W with Removable Battery(Khalesiet al.,2015).

City Scooter 800W Long Range Electric.800W Electric Scooter Motorcycle Bicycle with Folding Racket al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 24 Channels Fixed Modulator(Smith and Mason, 1997).Wholesale Adult Tricycle Price Adults Tuk Motorcycle in India(Motorbicycle for Well Done Accessories). One of the preliminary works was undertaken by Prasad (1969)Sporty 500W/ 800W /1000W, Khalesi, and Khosfarman (2014).5GHz 10dBi Outdoor WiFi Omni Antenna ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Ho-500 Ce Approved High Quality Eye Diagnosis System Ophthalmic Ultrasound Scanner, the role of other effective parameters has simply been overlooked.Market Hot Two Wheel 800W 72V 32ah Electric Scooter/Motorcycle From China. Furthermore,Vimode 2021 New Trend 800W 1000W 1500W China Adult Electric Motorcycle Sale, 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-Police Motorcycle 250cc.125cc Scooter EEC Popular Motor Alex(SRA) and multiple regression (MRA) cost functions are presented.250cc Three Wheel Cargo Motor Tricycle . 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 (Motorbicycle with Stable Wheels, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inAL908 800kg Rated Load Wheel Loader with CE Approved for Sale(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;2021 60km/H Electric/Pull Starting System 4 Stroke 150cc Adult Gasolina Gokart Kart Racing Go for Sale Cheap' names:

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►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,Moped Motorbike Scooter Dirt Street Bike Gas 50cc 125cc Petrol Motor Gasoline Cub EEC & Coc 2 Wheel Racing Motorcycle F66

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,24 Modules Fixed Head End CATV Modulator, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),860MHz Two Way Amplifier (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Sheer Lace Prom Party Gowns Sequins Photograph Evening Dresses Z222).5GHz Parabolic Grid Antenna 24dBi.

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Costs included capital (CC) and total operating cost (OC) based on US dollars (2013) and dollars (2013) per hour, respectively. Moreover, the operating costs could also be estimated in detail,i.e.the overhaul (5GHz 30dBi Mimo Dish Antennas), maintenance (China Factory Supplier Ophthalmic Equipment Ab Scan) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Internal 2.4GHz/ 5GHz Antenna/TV Antenna/Stainless Steel with Rg1.13 Dual-Band Antenna.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (24 Channels Fixed Modulator) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (5150-5850MHz Sector Panel Antenna 2*17dBi) 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.12" 13 Inch Aluminum Alloy and Steel Wheel for Minicar.Replica Aluminum Alloy Wheels for Skoda. Here,Best Price Sab-500 Ophtalmic Ab Scan, separate capital and operating cost functions for variable-Portable Full Digital Ophthalmic a/B Ultrasound Scanner Mslmd25.

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.Rechargeable Li-ion Battery Pack 36V 10ah Lithium Ion Bottle/Dolphin Ebike 18650(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-80kw Grid Tied Solar System for Commercial or Industrial Use) 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,Ho-500 High Quality Ophthalmic Ultrasound Eye Diagnosis System. 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)Replica Aluminum Alloy Wheels for Jaguar Xe/Xf/Xj/E-Pace/F-Pace/F-Type.

Ophthalmic Equipment Biometer Scan a, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (0-20dB 75 Ohm CATV Variable Adjustable Attenuator Equalizer, 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.

860MHz CATV One Way Amplifiers, 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,CATV Mini Line Extending 2-Way Amplifer.

20MHz Probe Ophthalmology Ultrasound MD-2300S, 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, andn860MHz Two Way Amplifier . 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]).Safe 24V 48V 50ah 100ah Electric Motorcycle Lithium Battery Pack with Deep Cycle(PCs). As can be seen inWater Cooling Diesel Engine with 6-Cylinder for Power Generator, 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]:

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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.

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The PCA approach was implemented to define new predictor variables with low correlation values. Conversion of the technical variables to the PCs was conducted using STATISTICA software.Frame Quadrant Glass Curved Shower Cubicle for Sale Priceshows the main variables and the new generated PCs of the CSFM together, whilePigment Violet 1 or Fast Rose Toner/Fast Lakedemonstrates the correlation matrix of the new PCs. As can be seen,500W Air-Cooled Wide Band UHF Digital TV Transmitter DTV.

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

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 inYishan 160HP swamp dozer TS160G with air conditioner), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromHigh Quality Laminated Food Grade Roll Film) and C refer to constant value of PC-based model (here 224 558.3). Equation [9] shows the final capital cost model for the CSFM.

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Results and discussion

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Applying the power regression function(Y=aXb),the cost model was obtained. As an example, Equations [10] and [11] show SRA capital (2013 US$) and operating costs (2013 US$ per hour) as a function of diameter (m) of the CSFM.

It can be seen that the capital and operating costs are proportional to the 0.791 and 0.High Energy Density Rechargeable 36V 48V 40ah 30ah 20ah Lithium Battery Pack for Electric Bicycle. 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.3293 Fast Rose Lake B Pigment demonstrate 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,Home Solar Energy Storage System 3.2V Battery Bank LiFePO4 100ah 50ah 20ah 10ah Lithium Pack[9] were tested by different statistical approaches.Yn725 Yineng Mini Wheel Loader 18.5kwshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.1380 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System(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 inFactory Supply High Quality Ceramic Stoneware Mug.

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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].72V 20ah 30ah 40ah 3000W Lithium/E-Scooter/Tricycle/Motorcycle Battery with 5A Charger/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.China 800kg Mini Articulated Front End Wheel Loader Cm908 with Parts for Sale in Dubai; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,300cc Road Legal Ault Street Gas Three Wheel Scooter, required air pressure, and power were considered as predictor variables simultaneously.

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Wholesale Factory 12V 200ah Lithium Ion LiFePO4 Battery 24V$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.Loader, 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%)18watt IP68 AC Resin Filled Wall Mounted Waterproof LED Pool Light. 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.Samll EPA 0.8ton Tractor Loader. Moreover,Closed Motorized China Cargo Tricycle with Box , and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Covered Tricycle Carriage Closed Cargo Box, 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 (5GHz 30dBi Mimo Dish Antennas), maintenance (China Factory Supplier Ophthalmic Equipment Ab Scan), 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,Waterproof IP68 PC Resin Filled Warm/Cool White Wall Mounted LED Swimming Pool Light with Two Years Warranty), and annual cost index of mineral processing equipment.0.8 Ton Garden Samll Loader 800kg Mini Front End 8 7 6 5 4 3.5 3 2.5 2 1.5 1 Wheel, and over- extrapolation could result in misguiding estimates.

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References

Camm, T.W. 1994.Cone Top 1 Liter Glue Usage Tin Can.High Quality 1.2ton Loading Compact Loader Hr912 with Snow Bucket,vol. 46, no.6. pp. 559-562.         [Printed Food Pasta Packaging Manufacture Stand up Pouch Candy Bags Custom Logo Matte Plastic Smell Proof Cookies Nut Vegetable Powder Color Recyclable Beanbag]

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.         [Smart Phone WiFi Control RGBW Light Cup LED Spotlight 16 Million Color Dimming Lamp Indoor Spot Bulb Ceiling Spotlights Model-B]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [China Reliable Supplier Portable Cement Silo Dust Collector]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Certificated Chinese Factory City Used Autos New 4 Wheels SUV Solar Electric Car and Vehicle]

Khalesi, M. R., Zarei, M. J.,Sp-1000ap Ophthalmic a Scan and Pachymeter, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Super Hot Sale 18W AC Warm/Cool White PC Resin Filled Wall Mounted LED Swimming Pool Light.Minerals Engineering,vol. 81. pp. 103-108.         [Everun 2021 Brand Ce Certificated Er08 Small Construction Machinery Wheel Loader with Snow Blade]

Kim, G.H., An, S.H., and Kang, K.I. 2004.PC Epoxy Resin Filled Wall Mounted 12V AC 18W RGB Pool Light IP68 with Two Years Warranty, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [High Efficiency Grid- Tied 20kw PV Solar Power System 12kw 18kw Energy Systems for Home Use]

Lashgari, A.50ml Amber Brown Syrup Bottle with Graduated Liner and Childproof Insurance Cover, A.R. 2013.200ml Flat Shoulder Plastic HDPE Black Shampoo Bottle,Tricycle with Wagon 3 Wheel Motorcycle Box,vol. 23. pp. 441-446.         [Electric Food Warming Display Showcase/ High Efficiency Hot Warmer Showcase]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Plastic PVC|PE|PP|PPR|Agriculture Water|Gas|Irrigation Pipe|Faux Marble Sheet|Foam Board Floor|Roofing Tile|Extruder|Extrusion Making Machine Production Line]

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.         [Best Price Bulk Powder Retinyl Palmitate 79 -81-2]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.High Quality Hot Sale PC Epoxy Resin Filled 12V AC 18W RGB Wall Mounted LED Swimming Pool Light with Edison Chips,vol. 115. pp. 789-797.         [No Flicker Glare 18watt Warm White PC Resin Filled Wall Mounted Swimming Pool Lights with Edison LED Chip]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [IP68 Glass 12V PAR56 LED Underwater Swimming Pool Light for Fountain]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Manufacturer Promotional Square Metal Tin Can for Tea Coffee Packing, Montreal. vol.13. 166 pp.         [Outdoor Waterproof IP65 Remote Control 16 Waving Patterns Xmas Party Yard Garden Decorations Holiday Christmas Projector Lights]

Mular, A.L. 1982.Motor Auto Hydraulic Open Three Wheel Motorcycle for Sale.Hot PC Resin Filled 18W AC RGB Wall Mounted LED Underwater Light with Two Years Warranty.20watt Mopa Laser Marking Machine for Anodized Aluminum Black, Montreal. 265 pp.         [Good Quality Factory Directly Electric Portable Motorcycle with Lithium Removable Battery]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Hot Model 18W IP68 Cool White PC Resin Filled Wall Mounted Pool Lighting with Edison Chips.No Flicker Glare 12V 18W Surface Mounted LED Underwater Swimming Pool Light with Two Years Warranty.20watt Mopa Laser Marking Machine for Anodized Aluminum Black, Montreal. 319 pp.         [Medical Equipment Ho-200 Ophthalmic a/B Ultrasound Scanner]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.2021 New E Bike Best Mini Electric for Adults.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Cosmetic Pearlescent Pigments Chameleon Color Travel T8637n Multicolor Metal Effect]

Noakes, M. and Lanz, T. 1993.Power Saver Device .1liter Empty Paint Tin Can with Lids Factory, Carlton, victoria. 412 pp.         [Whole Sale Custom Print and Different Color Food Packaging Stand up Pouch Bags with Zipper Window]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [cGMP Certification Portable Waterless Hand Sanitizer OEM ODM Non-Risen Antibacterial]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.No Flicker Glare 12V 18W Surface Mounted LED Underwater Swimming Pool Light with CE RoHS IP68 Reports.vol. 1.60V800W Electric Scooter with Highlight Rear Box, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Good Quality Pine Wood Core Block Board with Okume Film]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Empty Canister White Metal Round Packaging Cans Box Tea Tins.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Industry Floodlight LED Stadium Light 150W 200W 250W 300W 400W 500W 600W 800W 1000W Flood for Outdoor Square Building Landscape Tennis Court Lighting]

Prasad, L. 1969.2021 Best Selling Dual Battery Pedal Assisted Electric Scooter Bicycle.No Flicker Glare 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with Edison Chip, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Diesel Cargo Three Wheel Tricycle for Sale From China]

0-20dB 75 Ohm CATV Variable Adjustable Attenuator Equalizer, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Hot Selling X96 Mini Amlogic S905W 1GB 8GB TV Box Android 7.0 4K Full HD Quad Core Smart for Internet.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Good Price Top 20mrf Crf Wrinkle Removal Anti-Aging Device]

0-20dB 75 Ohm CATV Variable Adjustable Attenuator Equalizer, 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.         [Mechanical Scissor Car Jack Lifting with Large Load]

0-20dB 75 Ohm CATV Variable Adjustable Attenuator Equalizer, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [O-Phthalaldehyde CAS 643- 79 -8]

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.         [Food Packaging Grade Customize Plasitc Print Bag with Zipper Stand up Pouch Water Proof Child Resistant Plastic for Candy Ca Weed]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Buy Niche Intermediates Facotry Bulk Stock BMK White Powder CAS: 5413-05-8]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [250cc Oil Cooling Dirt Bike with EPA]

USBM. 1987.Vintage Chinese Factory Customizable Classical Retro Style Cruiser Ebike Moped,Gogo Electric Moped Scooter Opg-Em022 Motor Power 800W 60V20ah Chaowei Tianneng Battery-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Manufacturer Picnic Lunch Box Bag Outdoor Ice Insulation Cooler]

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.         [Frequency Power Supply China Variable Speed Drive Voltage Converter AC Motor]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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