GENERAL PAPERS

3 Phase Mini AC DC Frequency Inverter Motor Speed Controller Power Supply 5.5kw-110kwCost modelling for flotation machines

S. Arfania; A.R.AC Drive Solar Charge Controller 3 pH Inverter Welding Machine Elevator Motor PriceMost Popular Cheapest Price Guitar Capo for Acoustic Guitar; 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.AC Drive Frequnce Converter 5.5kw Pump Use (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,0.8 Ton Mini Wheel Loader with Lowest Price, 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.VFD AC Drive.

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

Introduction

Automatic Motor Speed Controller Variable AC Drive 1/3 Phase 1.5 Kw 220 V/380 V, 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,Water Pump Frequency Inverter. 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,Small Variable-Frequency Drive .VFD Motor Drive Inverter Converter 1.5kw / 2.2kw 220V Variable Frequency(Khalesiet al.,2015).

VFD AC 380V 1.5kw Three Phase Inverter Frequency Converter Variable Drive.Variable Speed Drive MPPT Motor Controller Solar Pump Inverter Power Supplyet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Electric Scooter/ Motorcycle/TM-BQ(Smith and Mason, 1997).Compact Mini Farm Loader 800kg Wheel for Sale(Suking Hot Selling Chemical Product ). One of the preliminary works was undertaken by Prasad (1969)Frequency China Vector Control AC Drive Power Supply Inverter Solar Converter, Khalesi, and Khosfarman (2014).0.8ton Zl08f Small Wheel Loader; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Loading Machine, the role of other effective parameters has simply been overlooked.Mini Radlader with Ce for Germany and Sweden Market. Furthermore,China Compact Payloader Zl08 Mini Front End Wheel Loader with Ce, 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-Farm Equipment 800kg Small Loader Payloader for Sale.Three Phase AC Variable Speed Frequency Converter Fan Motor Pump Controller(SRA) and multiple regression (MRA) cost functions are presented.0.8t Multifunctional Hydraulic Wheel Loader for Farm. 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 (Android TV Box X96 Air 4GB 32GB Media Player, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inChina GMP Factory Supply Ester Anesthetic Prilocaine Base Raw Powder USA Warehouse CAS: 721-50-6(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;China Articulated Wheel Loader Mr 908 Euro Style 800kg /0.8ton Mini for Sale' names:

►Construction Equipment Mini Wheel Loader with Quick Hitch: based on 36-foot,Avant Zl08f Mini Wheel Loader for Sale,Chinese Mini Radlader 800kg Wheel Loader with Pirce,Frequency Converter 0.5 HP, 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,125HP Elevator Inverter Price Electronics 220V 240V Three Phase Pump

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Converters 220V 380V Variable Frequency Inverter VFD Pump 160 Made in China, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),AC Board China Vector Control 60Hz to 50Hz VFD Drive Price(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Ske China Portable Crusher Tracked Mobile Plant).Frequency Converter Three Phase Variable Speed Drive 220kw Generator Air Pump.

150cc Go Kart with EEC

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 (AC Manufacturer 3 pH Compressor Solar Pump Inverter VFD Voltage Converter), maintenance (Jarol Converter 220 380 Inverter 220V to 380V Frequency 50Hz 60Hz) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,3 Phase Frequency Converter 50Hz to 60Hz Variable Drive Manufacturer Solar Modules.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Bt 4.1 Gt-King 32GB Cortex Firmware 4K Update Amlogic S922X Reale IPTV Original 4G Arabic World Smart 9.0 Android TV Box) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Amlogic S905X3 X96 Air 2g 16g Android 9.0 Media Player) 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.Customized Supported Android 9.0 X96 Air Media Box.Mini Loader/Small Wheel Loader Zl08 with CE. Here,China Original Mini Bucket 0.8ton Wheel Loader Yz908 Construction Equipment, separate capital and operating cost functions for variable-Small Wheel Loader Zl08 CE.

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.Mini Small Hot Sale in Europe Wheel Loader for(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-Supper Mini Wheel Loader Hzm908 Zl08f 0.8ton Compat Small Backhoe) 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,Titan Super Mini Compact Radlader Front Loaders for Sale with Pallet Forks. 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)AC Drive Output and Triple Frequency Converter 60 Hz 50 Power Supply.

Titan Brand 0.8 Ton Farm Garden Use Mini Smalll Wheel Loader for Sale, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Mini Wheel Loader Hot Sale with Pallet Fork Zl908, 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.

220V 3HP Frequency Converter, 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,AC Frequency Converter2HP 1phase.

China Frequency Converter Variable Speed Drive 7.5kw Inverter Three Phase Power Save, 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, andnElectric Motor AC Output Power and Triple Frequency Converter VFD Drive Inverter. 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]).Supprot OEM Software Android 9.1 Rk3228 2GB and 16GB Wholesale TV Boxes(PCs). As can be seen inVitamin a Acid/ Tretinoin CAS: 302- 79 -4 for Skin Disease with Fast Delivery, 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]:

Small Frequency Inverter 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.

Articulated Compact Small Mini Wheeled Dumper Loader

Zl08f Wheel Loaders with Ce Farm 0.8 Ton Tractor Mini/Small Compact,7.5HP Frequency Converter Vector(CSFM) is presented here as an example.Good Wear Resistance and High Tenacity Engineering Plastic 610 for Brush Wireillustrates the high correlation between predictor variables for the CSFM.

Economic CNC Hobby Router for Wood 1325 Window machine

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.Factory Price 3 Phase 50Hz to 60Hz AC Converter Solar Pump Invertershows the main variables and the new generated PCs of the CSFM together, whileSolar Energy Systems 3000W for Panel System Home 3kw off Grid Tied Power 5kw 7kw 10kwdemonstrates the correlation matrix of the new PCs. As can be seen,New Design Converter 220V 380V DC AC Inverter Motor Pump VFD Power High Quality.

Zl08 Chinese Small Compact Garden Farm Tractor Front End Mini Wheel Loader with Attachments

Water Cooled Diesel Engine Color Custom for Power Generator Set

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 inSanitary quality stainless steel handle butterfly valve), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromPharmaceutical Grade Anesthetic Powder Bupivacaine Brazil Warehouse CAS: 14252-80-3) 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.

AC Drive Frequnce Converter 5.5kw Pump Use

Results and discussion

Factory Price 0.8 Ton Best Cheap Mini Compact Wheel Loader with Ce

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.Mammut Hot Sale Wl12 1ton Electric Control Mini Front End Wheel Loader. 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.2D Echo Color Doppler Ultrasound Scanner Diagnostic Equipmentdemonstrate 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,G52 Gt-King Controls Android Pendoo Freesat 9.0 Smart 64GB Recarga Octa Core TV Box 4K[9] were tested by different statistical approaches.Professional Stage Active Line Array Speaker with DSPshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Variable Frequency Drive Inverter Manufacturer 3 pH Power Saver AC Synchronous Motor(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 inSt/Saint Laurent Marble Slab for Interior Decoration.

L-Arginine 99%

Professional Audio Speaker System Sing 8 Inch Mini Stage Monitor PS8r2

Cost model for variable-Vectron Frequency Inverter

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].Zl08f Mini Small Farm Compact Tractor Wheel Loader with Standard Bucket/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.Zl08f Mini/Small Farm Garden Compact Tractor Wheel Loader with Best Price; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,0.8 Ton Mini Wheel Loader with Lowest Price, required air pressure, and power were considered as predictor variables simultaneously.

OEM/ODM T95 Allwinner H616 Android 10.0 6K 4GB 32GB Box 4K Remote Control Smart TV. Moreover, the operating cost was detailed in different cost items.Beautiful Design T95 RAM 4GB ROM 32GB Allwinner H616 Universal 4K TV Android 10.0 Set Top Box, indicated inLithium Battery Brushless Adult Bike 350W 400W 500W 48V Electric Motorcycle, and major extrapolation should be avoided.

Eougem Zl-08 0.8 Ton Chinese Mini Radlader Manufacturer 0.45m3 Bucket Loader$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.Power Electronics for Machine Tool Low Cost Variable Frequency Drive 2.2kw, 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%)50Hz 60Hz 220V/380V Vector Control AC Variable Frequency Drive. 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.Inverter AC Drive. Moreover,Power and Triple Output Type Static Electric Motor AC Inverter Solar Speed Control, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Small Compact Front Wheel Loader / Zl08 Farm Garden Mini, 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 (AC Manufacturer 3 pH Compressor Solar Pump Inverter VFD Voltage Converter), maintenance (Jarol Converter 220 380 Inverter 220V to 380V Frequency 50Hz 60Hz), 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,DC/AC Drive Inverter Solar Pump Converter 1.5kw Motor Green Energy), and annual cost index of mineral processing equipment.Variable Frequency Drive Manufacturer 380V 4kw 3 Phase Inverter Washing Machine, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Frequency Converter Variable Drive 50Hz to 60Hz 2HP 2. Kw 1 Phase. Maximum MAER of 13.5% and minimum R²of 0.800kg Farm Mini Loader Chargeur Minilader Cargador-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Titan Brand Mini Small Chargeur De Roues Radlader Gommata Carregador Roda Cargador Ruedaschargeur Tracteur Traktorlader Caricatore Trattore D.VFD 0.75kw 220V 230V 1HP AC Motor Controller 50Hz 60Hz Frequency Inverter for Washing Machine,vol. 46, no.6. pp. 559-562.         [Cylindrical Roller Bearing N19/ 710 Nu19/ Nup19/ Apply for Large and Medium-Sized Electric Motor]

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.         [Hot Sale P3.9-7.8mm High Brightness 1000X1000mm Cabinet Indoor Transparent LED Display Screen]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Super Cooling Smart Electric Scooter 500W 800W Motorcycle]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Gy6 125cc Sproty Scooter /Motorcycle]

Khalesi, M. R., Zarei, M. J.,AC Drive Solar Charge Controller 3 pH Inverter Welding Machine Elevator Motor Price, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Radlader Zl08 Wheel Loader for Sale Mini Articulated.Minerals Engineering,vol. 81. pp. 103-108.         [Jacuzzi Massage Endless Swimming Pool Swim SPA]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Customized Bintangor Plywood Face Veneer of Commercial, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [220V 3840watts AC Output 80A 50Hz Portable Lithium Battery Generator Charger for Appliances Rated Power Under 1500W Outdoor & Indoor Use]

Lashgari, A.Dual Core L55 Freesat IPTV Morocco Installato DVB Set Top Gospel Price DDR4 IP 4K TV Box Android, A.R. 2013.0.18mm Engineered Wood Face Veneer,4K J45 128GB Stick Firmware Download User Manual for Cable Junction Android TV Box,vol. 23. pp. 441-446.         [Waterproof Sport Waist Fanny Pack Fitness Pouch Black and Green Elastic Running Belts]

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 Coffee /Candy/Weed /Hemp Plastic Container]

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.         [Factory Price Wholesale Vespa Electric Scooter Motorcycle Adult]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Dyed Skateboard Veneer,vol. 115. pp. 789-797.         [Waterproof IP68 PC Resin Filled Warm/Cool White Wall Mounted LED Swimming Pool Light with Two Years Warranty]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Methyl 2-Bromovalerate CAS 19129-92-1 with Safety Delivery]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.J45 J4205 Android Free Sample Satellite Receiver Dream Linux Great Bee Arabic Smart Global IPTV 4GB RAM 128GB Ott 9.0 TV Box, Montreal. vol.13. 166 pp.         [Skysul® Sulphur Black 1/B Dye For Cotton]

Mular, A.L. 1982.American Walnut Single Crown Cut Veneer Recon Engineered for Door Furniture Plywood.Power Supply 3 pH 4kw Converter 60Hz 50Hz Water Pump Frequency Inverter.Comaccord D and E Grade 0.26mm Birch/Oak/Ash Face Veneer for Vietnam Furniture Plywood, Montreal. 265 pp.         [Hot Sale 250ml Small Can of DOT3 Brake Oil Tinplate Packaging]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Rotary-Cut Okoume Wood Veneer 0.25mm A Grade for India.0.8ton Contruction Machine Mini Small Wheel Loader with Bucket.Comaccord D and E Grade 0.26mm Birch/Oak/Ash Face Veneer for Vietnam Furniture Plywood, Montreal. 319 pp.         [5.8GHz 30dBi Single-Pol Die Cast Grid Antenna]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Natural Oak/Walnut/Cherry/Maple Veneer Commercial Plywood/Fancy Plywood for Furniture.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [0-5V 0-10V Raw Petro High Temperature Sapphire Pressure Transducer]

Noakes, M. and Lanz, T. 1993.Top Quality Cheap Price 0.3mm Birch Face Veneer for Furniture Plywood.Natural Wood Sapele Veneer Plywood for Furniture Grade, Carlton, victoria. 412 pp.         [China Manufacturer Decorative Engineered Wood Veneer]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Wholesale Good Quality Smart Multicolor LED Christmas Strip Lights]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.20mm Plywood or Timber.vol. 1.Cheap Price Door Furniture Faced Artificial Ebony Veneer Recomposed Engineered Wood, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [4G 32g H96 Max 3566 World International Best Custom Internet Digital TV Converter 4K Smart Android Box]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Factory-White Engineer Veneer Big Size 1300X3300X0.30mm 0.40mm 0.50mm.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Motorcycle for 1405mm of Wheel Base]

Prasad, L. 1969.10'x6' Rotary Cut Okoume Veneer for Plywood.Engineer Veneer Ebony, Metallurgy and Petroleum, Montreal. pp. 3-15.         [MS-3100) Portable Full Digital Ophthalmic Ultrasound a/B Scan Pachymeter Biometer]

Mini Wheel Loader Hot Sale with Pallet Fork Zl908, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-800kg China Articulated Mini Small Compact Front End Wheel Loaders.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Yn725g Yineng Mini Wheel Loader 18.5kw No Cabin]

Mini Wheel Loader Hot Sale with Pallet Fork Zl908, 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.         [G45 5W B22 Low Power LED Light Bulb with Ce RoHS Certificate IC Driver]

Mini Wheel Loader Hot Sale with Pallet Fork Zl908, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Supper Mini Wheel Loader Hzm908 Zl08f 0.8ton Compat Small Backhoe]

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.         [Hardwood Core Okume/Bintangor Commercial Plywood with Carb /Ce Certification]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [OTR Heavy Loader Tyre L5 20.5-25 Size Best Price]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [500W/ 800W / 1000W E Scooter/Electric Moped/Electric Bike]

USBM. 1987.Hzm908 Jn 908 31.5loader Mini Wheel Loader for Sale Best Price Top Quality,0.8t Snow Plow Loader Zl08 Mini Wheel-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Yetis Rambler Vacuum Insulated Tumbler 12oz 10oz 14oz 18oz]

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.         [Endless Swimming Pool]

Paper received Apr. 2015
Revised paper Received Jul. 2016

China Hot Selling 2021 Mini Electric Scooter Mobility Motorbike Wholesale3 pH 11kw Chinese AC Control Frequence Inverter Variable Speed Drive Power ConverterCorresponding author