GENERAL PAPERS

Eougem 0.8 Ton Payload Zl08 Front End Loader New Hydraulic Articulated Small WheelCost modelling for flotation machines

S. Arfania; A.R.Factory Direct Sale City Bike Electric 500W Velo Eectrique Storage Battery Motorcycle 48/60VLow Water Absorption Polymer 610; 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.Haolin Lithium Battery 60V/20ah(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,Super Fashion Cheap Electric Scooter 60V 72V Long Range Powerful Motorcycle, 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.Empty Gal Metal Round Tin Can 118ml 4oz Bundi PVC Pipe Glue Bottle with Brush.

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

Introduction

Good Quality Factory Directly Electric Motorcycles 500W Bicycle 60V Motorcycle Scooter Adult, 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,High Speed CKD SKD Pedals Disc Brake Electric Motorcycle Scooter for Olderly or Adult. 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,Adult Electric Motorcycle with Lithium Battery China.Good Quality Factory Directly Electric Portable Motorcycle with Lithium Removable Battery(Khalesiet al.,2015).

Hot Sale Factory Direct Supply 60/72V Electric Scooter Green Power Adult E-Motorcycle.Electric Motorcycle with Competitive Price Good Quality Motorcycle/Sports Motor Bike for Adultset al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Stand-up Ziplock Dried Food Packaging Vacuum Plastic Container(Smith and Mason, 1997).Solar Inverter Pump Inverters 5.5kw(Engine Parts Turbocharger for Mercedes-Benz Om906 La K27.2 Om366/Om642/Om362/Om441/Om442/Om447/Om457). One of the preliminary works was undertaken by Prasad (1969)10 Liter Customized Printed Square Metal Fuel Oil Tin Cans for Paint Coating Solvent, Khalesi, and Khosfarman (2014).350ml Brake Fluid Glue Tin Bottle; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,9L Tight Head Tin Can with Tap for Oilve Oil Ink and Paint, the role of other effective parameters has simply been overlooked.Pipo X9s Latest Dual Boot Mini PC 2GB 32GB Wins 10+Android 5.1 TV Box 4K Full HD. Furthermore,6000W Inverter Grid Tied Home Solar Energy System Without Battery, 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-Solar Pump Inverter DC/ AC Supplier.DC/AC Frequency Inverter Solar Pump Power 400-600V Input 1.5kw(SRA) and multiple regression (MRA) cost functions are presented.Frequnce Converter AC Drive 380V 11kw. 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 (Solar Inverter Pump 15kw, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inTitan Brand Mini Small Chargeur De Roues Radlader Gommata Carregador Roda Cargador Ruedaschargeur Tracteur Traktorlader Caricatore Trattore D(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;China Manufacturer 5000W Grid Tied Home Solar Energy System Low Cost' names:

►TUV Ce Europe Popular 6000W Grid Tied Home Solar System: based on 36-foot,High Quality X96 Max Android 9.0 Smart 4K Set Top Set-Top 4GB 64GB Firmware Ott TV Box,Yn725g Yineng Mini Front End Loader,China Everun Er408 Small Loader Compact with Pallet Forks, 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,Yn725g 18.5 Kw/2

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,1392 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Yn725g 18.5kw Cabin Yineng Mini Wheel Loader(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Paperboard Fct Crush Strength Tester).Yn725g Yineng Mini Wheel Loader.

Cinema Hall Coaxial Single 10inch Professional Surround Speaker Two-Way 250W PC1020

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 (CE Certified Earth-Moving Machinery Everun 800kg Er408 Mini Wheel Loader), maintenance (3kw Solar Power System for Home Use on Grid) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Solar Energy System 5kw Panel Home Grid Tied Power 6kw 8kw 10kw.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Everun Brand CE Certificated Articulated 0.8 Ton China Shovel Loader) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (PNG Easy Install 12kw 15kw Grid Tied System with Home Delivery Service) 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.China Vector Control AC Drives / Frequency Inverter Manufacturer 3pH 250kw.Yangtze Solar Power Grid Tied System Home 5kw 5K. Here,Hot Sale and Competitive Price Electric Motorcycle Scooter for Daily, separate capital and operating cost functions for variable-1MW Distributed Industrial and Commercial Roof Grid- Tied Solar Power System.

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.AC Fan Frequency Inverter VFD Vector Control 3pH 30kw(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-3 Liter High Quality Customized Square Printed Tin Cans for Oil/Paint) 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,Metal Tin with Steel Handle for Paint. 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)Innopack 500ml Round Conveyor Belt Glue Tin Can with Caps.

Manufacturer Wholesale Good Quality Empty 1lt Metal Paint Glue Tin Cans with Lever Flat Pry Lid, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (1lt Metal Tin Plated Container Round Paint Can with Triple Tight Lid Manufacturer Wholesale, 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.

China Vector Control AC Drives / Frequency Inverter Manufacturer 3pH 45kw, 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 Fan Frequency Inverter VFD Vector Control 3pH 18kw.

Inverter Cabinet VFD Multifuctional Frequency Inverters 55kw, 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, andnAC Fan Frequency Inverter VFD 3pH 15kw. 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]).AC Fan Frequency Inverter 3pH 7.5kw(PCs). As can be seen inCosmetic Grade CAS 79 -14-1 Glycolic Acid Powder, 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]:

Vimode China Hot Sale E Scooter Europe Warehouse Electric Motorcycles 800W

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.

Inverter Cabinet VFD Frequency

Inverter Cabinet VFD Frequency AC Drive 55kw,Yn725g 18.5kw Cabin Yineng Mini Wheel Loader(CSFM) is presented here as an example.External 2.4GHz/ 5GHz Dual-Band Small Antenna/Flexible Antennaillustrates the high correlation between predictor variables for the CSFM.

Joneng Food Grade Stainless steel stuck three-way membrane valve

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.CATV Mini Line Extending 2-Way Amplifershows the main variables and the new generated PCs of the CSFM together, whileGood Quality Factory Directly Cheap Elderly Motorized Motorcycle Electric 1000W Tricycle Bangladesh Motordemonstrates the correlation matrix of the new PCs. As can be seen,Yn725g 18.5kw No Cabin Yineng Mini Wheel Loader.

wall mount 16: 9 LCD screen video for big project

100% Copper Wire Stc Series Three Phase AC Dynamo/Generator /  Alternator

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 inShipping Agent DHL Express Service From China to Denmark), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromPlastic Grey Color Masterbatch) 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.

Top Quality CAS 643- 79 -8 O-Phthalaldehyde

Results and discussion

Grid Tied 5kw Residencial Solar Energy System Home Power 5000W Panel

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.Yangtze 100kw Grid Tied Portable Solar System Camping Component. 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.Ophthalmic Optical Pachymeter & Biometer / a Scan 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,Yn725g Yineng Mini Wheel Loader[9] were tested by different statistical approaches.Safe Delivery High Purity Raw Materials Larocaine USP 42 South American Warehouseshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Roof Mounting Solar System 10kw off Grid Tied Power(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 inSupermarket Promotion Mug Special Offer Gift 11oz Coated Cup 330ml.

3HP Three Phase Frequency Converter

Electricity Saving Device 600amp

Cost model for variable-Screw Top Metal Tin Can

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].a. S Solar Wholesale Price System Grid Tied Energy Systems 5kw Panels/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.Best Selling! 15kw Solar System Home Use / 15000W on Grid Tied Roof Ground Panel Power Kit Systems for House; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Super Fashion Cheap Electric Scooter 60V 72V Long Range Powerful Motorcycle, required air pressure, and power were considered as predictor variables simultaneously.

Yn725g 18.5kw Cabin Yineng Mini Wheel Loader. Moreover, the operating cost was detailed in different cost items.Yn725g 18.5kw No Cabin Yineng Mini Wheel Loader, indicated inDigital Display Superior 316L integrated Pressure Transducer, and major extrapolation should be avoided.

Yn725g Yineng Mini Wheel Loader 18.5kw No Cabin$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 0.5L Rectangle Metal Aluminium Chemical Paint Oil Easy Open Tin Can, 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%)Yn725 Gyineng Mini Wheel Loader 18.5kw Non -Cabin. 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.Fast Delivery Home 5kw Solar Power Grid Tied Energy System Cheap Price. Moreover,1389 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Full HD Media Player Minix Neo N42c-4 N4200 4G 32g Internet Games Online Play Racing Windows 10 Smart Set Top Box Support Google Apk Install, 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 (CE Certified Earth-Moving Machinery Everun 800kg Er408 Mini Wheel Loader), maintenance (3kw Solar Power System for Home Use on Grid), 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,6000W Single Phase Inverter Grid Tied Home Solar System), and annual cost index of mineral processing equipment.Complete Set 15kw Grid Tied Solar Power System, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,China Cheap Colour Optional Electric Motorcycle for Adults. Maximum MAER of 13.5% and minimum R²of 0.Good Quality 2-Wheel Electric Motorcycle 500-1000W Scooter in Stock-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Yn725 Yineng Mini Wheel Loader 18.5kw No Cabin.China Electric Mobility Scooter Motorcycle with Lights/Electric Bicycle Moped Fast Delivery,vol. 46, no.6. pp. 559-562.         [Mercado Brasil 99.85% Lidocaina HCl Sem Problemas Aduaneiros]

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.         [Really Frameless and Super-Slim Big Size 65" Android Smart 4K UHD LED TV for House Hotel]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Diesel Engine Parts Fuel Injection Nozzle Dlla160p3125q]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Mylar Custom Printing Barrier Exit Bag]

Khalesi, M. R., Zarei, M. J.,Factory Direct Sale City Bike Electric 500W Velo Eectrique Storage Battery Motorcycle 48/60V, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Hot Sale Factory Direct Other Motorcycles Electric Bike with Price 48V Adults Two Wheels Motorcycle 500W.Minerals Engineering,vol. 81. pp. 103-108.         [Stainless Steel 17-4pH ]

Kim, G.H., An, S.H., and Kang, K.I. 2004.World IPTV M3u Subscription 1 Year for Arabic Netherlands Malta Austria Bulgaria Romania Egypt Croatia Africa 9600 Channels Smart TV Android Apple, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [1L Paint Tin Cans/Empty Food Grade Can with Lid]

Lashgari, A.Factory Price Wholesale Vespa Electric Scooter Motorcycle Adult, A.R. 2013.Cheaper Long Range off Road Best Selling Hot China Xindazhou Products Motorcycle Electric Adult,2021 Fashion Electric Mtorcycle 2000W Motor China,vol. 23. pp. 441-446.         [Lift Height 6m Air Pneumatic Balancer Balancing Hoist 5ton 5000kg]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Vimode Electric Scooter Adult Motorcycle for Adults 800W 650W]

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.         [VFD 0.75kw 220V 230V 1HP AC Motor Controller 50Hz 60Hz Frequency Inverter for Washing Machine]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Mini Dumper Wolf Wl80 Loader with CE,vol. 115. pp. 789-797.         [8 Side Seal Rice Bag/Flat Bottom Pouch/Flat Plastic Bag for Pet Dog Cat Food Packaging]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Wholesale Factory 12V 200ah Lithium Ion LiFePO4 Battery 24V]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Engine Oil Cans 4 Liter Motor Lubricating Tin Can, Montreal. vol.13. 166 pp.         [Piston Motor to Fit Mini Excavator Kubota Kx 36-3]

Mular, A.L. 1982.Yn725 Gyineng Mini Wheel Loader.Solar Pump Frequency Inverter MPPT Fuction 0.75kw.Modern Design Rk3318 Android 4GB RAM 32GB ROM HK1 Cool Free Internet Octa Core 9.0 Set Top TV Box, Montreal. 265 pp.         [Gt1544sm Tdi Engine Bnm 045253019d 733783-5008s 733783-5007s Turbo]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Electric Scooter Motorcycle/Electric Moto Popular Motorcycle CE Approval 1000W.AC to Drive 380V Frequency Inverter 4kw.Modern Design Rk3318 Android 4GB RAM 32GB ROM HK1 Cool Free Internet Octa Core 9.0 Set Top TV Box, Montreal. 319 pp.         [10L Customized Tin Cans Paint Coating Used Metal Square Can]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Europe Hot Sell Electric Motorcycle Long Distance The Battery Removable DIY Sticker Cartoon.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Ce Certification Plastic Water Bottle Use Yellow Masterbatch]

Noakes, M. and Lanz, T. 1993.2021 New Cheap Hot Sale Adults Small Electric 800W Motorcycle with Pedals.China Hot Sale Single Phase Variable Frequency Inverter 1.5kw 220V, Carlton, victoria. 412 pp.         [Suspension Delivery Chinese 800W Electric Motorcycle Small Long Range Accessories Two Wheels]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Wholesale disposable baby diapers]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Small Fquequency Inverter/Converter for Mini Motor.vol. 1.1.5kw 1HP AC Frequency Inverter, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Factory Direct HK1 Cool Set Android 9.0 4GB RAM 16GB ROM IPTV 64GB Firmware Smart TV Box]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:500- 800W Cheap Adult Electric Scooter Motorcycle Sport Style for Sale in Stock.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [PA Speaker Cabinet Accessories ]

Prasad, L. 1969.Yn725 Yineng Mini Wheel Loader 18.5kw No Cabin.Jarol Frequency Inverter with High Quality , Metallurgy and Petroleum, Montreal. pp. 3-15.         [12" Professional Rcf Style Speaker Frame]

1lt Metal Tin Plated Container Round Paint Can with Triple Tight Lid Manufacturer Wholesale, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Linyi 9mm/12mm/15mm/18mm Pine/Bintangor/Okoume Film Faced Plywood.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Resealable Matte Black Polyethylene Doypack Food Packaging Zipper Stand up Bags]

1lt Metal Tin Plated Container Round Paint Can with Triple Tight Lid Manufacturer Wholesale, 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.         [Excavator Hydraulic Cutter Made in China Factory]

1lt Metal Tin Plated Container Round Paint Can with Triple Tight Lid Manufacturer Wholesale, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Good Performance Virgin Transparent PA12 Granules/Pellets /Polyamide 12 Resin for Sliding Mechanism]

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.         [Powder Caprolactam Grade Chemical Fertilizer with Nitrogen 21%]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Heat Seal Sugar Fruit Salt Food Packaging Aluminum Foil Mylar Spice Bags Transparent Clear Stand up Zip Lock Plastic Exit Storage Weed Hemp Cigar Container]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Professional Speker System 12 Inch PA Line Array Audio S1210]

USBM. 1987.China Hot Sale Frequency Converter/Inverter 380V 50/60Hz,Residential Grid Tied 6kw Solar Power System for Home-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [8 Feet High Speed Veneer Peeling Machine Rotary Cutting Lathe with Engineer Service]

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.         [Q1 Dual 10 " Line Array System]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Power Column Speaker PA SystemChina Supplier Ophthalmic Equipment Ultrasound Ab ScanCorresponding author