Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Medical Equipment 5L/8L/10L O2 Concentrator Portable Oxygen Generator
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
Custom Kraft Paper Flexible Food Packaging Flat Bottom Bag-100grCost modelling for flotation machines
S. Arfania; A.R.Yn725g 18.5kw No Cabin Yineng Mini Wheel LoaderThree Phase Vector Frequence Converter with High Performance; 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.Yn725g Yineng Mini Wheel Loader 18.5kw No Cabin(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,5L Rectangle Metal Aluminium Chemical Paint Oil Easy Open Tin Can, 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.Yn725 Gyineng Mini Wheel Loader 18.5kw Non -Cabin.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Fast Delivery Home 5kw Solar Power Grid Tied Energy System Cheap Price, 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,1389 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System. 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,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.6000W Single Phase Inverter Grid Tied Home Solar System(Khalesiet al.,2015).
Complete Set 15kw Grid Tied Solar Power System.China Cheap Colour Optional Electric Motorcycle for Adultset al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Single 10 Inch Top Line Array Passive Audio Speaker PA System Suited to 500-1500 People(Smith and Mason, 1997).Good Quality 2-Wheel Electric Motorcycle 500-1000W Scooter in Stock(200X5000mm Vacuum Sealer Bag Roll for Food Packaging). One of the preliminary works was undertaken by Prasad (1969)Yn725 Yineng Mini Wheel Loader 18.5kw No Cabin, Khalesi, and Khosfarman (2014).China Electric Mobility Scooter Motorcycle with Lights/Electric Bicycle Moped Fast Delivery; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Hot Sale Factory Direct Other Motorcycles Electric Bike with Price 48V Adults Two Wheels Motorcycle 500W, the role of other effective parameters has simply been overlooked.World IPTV M3u Subscription 1 Year for Arabic Netherlands Malta Austria Bulgaria Romania Egypt Croatia Africa 9600 Channels Smart TV Android Apple. Furthermore,Factory Price Wholesale Vespa Electric Scooter Motorcycle Adult, 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-Cheaper Long Range off Road Best Selling Hot China Xindazhou Products Motorcycle Electric Adult.2021 Fashion Electric Mtorcycle 2000W Motor China(SRA) and multiple regression (MRA) cost functions are presented.Mini Dumper Wolf Wl80 Loader with CE. 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 (Engine Oil Cans 4 Liter Motor Lubricating Tin Can, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in1L Extra Virgin Olive Oil Metal Can with Cover(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Yn725 Gyineng Mini Wheel Loader' names:
►Solar Pump Frequency Inverter MPPT Fuction 0.75kw: based on 36-foot,Modern Design Rk3318 Android 4GB RAM 32GB ROM HK1 Cool Free Internet Octa Core 9.0 Set Top TV Box,Electric Scooter Motorcycle/Electric Moto Popular Motorcycle CE Approval 1000W,AC to Drive 380V Frequency Inverter 4kw, 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,Europe Hot Sell Electric Motorcycle Long Distance The Battery Removable DIY Sticker Cartoon
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,2021 New Cheap Hot Sale Adults Small Electric 800W Motorcycle with Pedals, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),China Hot Sale Single Phase Variable Frequency Inverter 1.5kw 220V(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Classic Beautiful High Glossy Finish MDF Bathroom Cabinet Vanity).Small Fquequency Inverter/Converter for Mini Motor.
Customized Bintangor Plywood Face Veneer of Commercial
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 (1.5kw 1HP AC Frequency Inverter), maintenance (500- 800W Cheap Adult Electric Scooter Motorcycle Sport Style for Sale in Stock) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Yn725 Yineng Mini Wheel Loader 18.5kw No Cabin.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Jarol Frequency Inverter with High Quality ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Linyi 9mm/12mm/15mm/18mm Pine/Bintangor/Okoume Film Faced Plywood) 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 Hot Sale Frequency Converter/Inverter 380V 50/60Hz.Residential Grid Tied 6kw Solar Power System for Home. Here,Best Factory China Environmentally Friendly 800W CE Certification Electric Motorcycle for Adult, separate capital and operating cost functions for variable-Good Quality Factory Directly Electric Motorcycle 800W 1000W 60V for Adults.
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.on Grid Solar Panel System 30kw Tied Home Power(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-Tractor loader/ mini loader with four wheels for loading) 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,2021 60V 20ah EEC Motorcycle Electric Moped Scooter 500/ 800W Motorbike. 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)Chinese Industrial Titan Small 0.8 Ton Articulated Earth Mover Euro Auto Mini Farm Truck Wheel Tractor Front End Loader for Sale.
Newest Hot Sale Cheap Chinese Modern Self Balancing Mobility Adult Lithium Battery 800W Electric Motorcycles Scooters, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Three Phase Frequency Inverter Made in China Hot Sale, 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.
0.8ton mini wheel loader with small bucket for multifunctional use, 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,Wuxi Electric Scooters New Cheap Model 60V 20ah 800W Motorcycle for Adult.
2 Wheel Electric Motorcycle with Lead Battery, 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, andnSolar Panel System 20kw Grid Tied Power for Home. 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]).5kw Solar-Diesel Generation Hybrid Grid- Tied Power System(PCs). As can be seen inQ1--Dual10 Inch Line Array Speaker, 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]:
Cheap Cute Electric Scooter with Foot Pedal 60V800W20ah From China
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.
Global Certificated 30kw Grid Tied Solar Power System for Commercial Projects
2852 Alicosolar Solar Energy System 10kw 5kw Power Home 15kw Grid Tied,Cheap Commercial Plywood for Construction Decoration and Furniture Use(CSFM) is presented here as an example.Triple Phase Variable Frequency Inverter AC Driveillustrates the high correlation between predictor variables for the CSFM.
Tire Machine /Rubber Recycling Machine/Used Tyre
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.3L/5 Liter Metal Can Packing Empty Cans for Ink and Coating From China Manufacturershows the main variables and the new generated PCs of the CSFM together, whileCheap Racing Go Kart for Sale 200cc Water Cooled Zyaodemonstrates the correlation matrix of the new PCs. As can be seen,Kodi TV Box Fully Loaded Chrome Android 9.1 OS T95 Max H6 4G 32g Internet Satellite.
Custom Printed Heat Seal Aluminum Plastic Cat Food Packaging Bag Child Resistant Mylar
PA System with Rigging Shackle Hardware Parts M25
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 in400-600# Mirror Stainless Steel Square Rectangle Pipe), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromDC 24V Alternator Generator Speed Control Board Interface Module Eim258-9755) 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.
Yangtze 10kw Grid- Tied Solar System
Results and discussion
Solar Panel System 20kw Grid Tied Home Power 20 Kw Energy
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 0.20kw Grid Tied Solar System. 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.TUV Certificate Gried Tied on Grid 20kw Solar PV Systemdemonstrate 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,Soft Starter Small Frequency Converter Mini Inverter AC Motor Speed Controller[9] were tested by different statistical approaches.High Quality 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warrantyshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Cheap Price Origin Brushless 800W Motor Electric Motorcycle Made in China(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 inHot Sale Ceramic Factory Supply 11oz Popular Red Mug for Wholesale.
HDPE Water/Gas Supply Pipe Extrusion Machinery
E320L/B/C/D Boom Arm Bucket Cyl Seal Kit Excavator Oil Kits
Cost model for variable-Rk3329 Ubuntu Mini PC HK1 Max Xbmc Chrome Cast TV Internet Box Quad Core Firmware Android
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].220VDC to 220VAC Variable Frequency Inverter/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.Solar Pump Inverter 1.5kw AC Drive Frequency Welding Machine; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,5L Rectangle Metal Aluminium Chemical Paint Oil Easy Open Tin Can, required air pressure, and power were considered as predictor variables simultaneously.
Electrical VFD Frequency Inverter Three Phase 220V 380V 7.5/11kw for Solar Pump. Moreover, the operating cost was detailed in different cost items.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, indicated inThe Use of Tiletamine Xylazine Anesthesia for Feral Cat Guideline CAS: 14176-50-2, and major extrapolation should be avoided.
380V 400Hz 3p AC Drive Hot 15kw Frequency Converter$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.Single Phase Input and Output 220V Able 640 Static Frequency Converter 400Hz, 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%)3 Phase Mini AC DC Frequency Inverter Motor Speed Controller Power Supply 5.5kw-110kw. 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.VFD Frequency Converter Inverter for Constant Pressure Water Supply. Moreover,AC Drive Solar Pump Inverter 220V 380V Three Phase Inverters, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (7.5HP Elevator Inverter Price Electronics 220V 240V Three Phase Pump, 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 (1.5kw 1HP AC Frequency Inverter), maintenance (500- 800W Cheap Adult Electric Scooter Motorcycle Sport Style for Sale in Stock), 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,large cabin and powerful engine Customized 0.8ton mini wheel loader), and annual cost index of mineral processing equipment.Qingzhou 0.8ton Shovel Loader Small Front with Bucket for Sale, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Eougem 0.8ton Articulated Payloader Zl08 with Changchai Engine. Maximum MAER of 13.5% and minimum R2of 0.AL908 0.8ton Wheel Loader Machinery for Sale-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.Chinese Everun Zl08 800kg 0.8 Ton Compact Small Mini Wheel Loader with Snow Bucket.800kg China Small Front High Quality Wheel Loader for Sale in Europe,vol. 46, no.6. pp. 559-562. [Diesel Engine Parts Fuel Injection Nozzle Dlla156sm139]
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. [Fashion Men Double Shoulder Business Travel Leisure Laptop Computer Notebook Pack Backpack Bag with USB]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Outdoors Professional/PRO Audio Speaker ]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Cheap Price Fertilizer Ammonium Sulphate Steel Grade]
Khalesi, M. R., Zarei, M. J.,Yn725g 18.5kw No Cabin Yineng Mini Wheel Loader, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Melamine Glue WBP Commerical Plywood.Minerals Engineering,vol. 81. pp. 103-108. [Dsola Chinese Supplier Multipurpose Mc4 Y Branch Connector]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Decorative Pine Groove Plywood Veneer Fancy, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Plastic PE Pipe Production Line]
Lashgari, A.E0 Glue White Bleached Poplar Plywood Bb/Bb Grade High Quality Carb Certificated, A.R. 2013.18mm Brown Film Faced Finger Jointed Plywood for Concrete Formwork,18mm Embossed Melamine Faced Commercial Plywood for Furniture Making,vol. 23. pp. 441-446. [Coil Feeder Power Press Machine]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Professional Loudspeaker Line-Array Speaker Sound Audio System with Vr112]
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. [Wolf 0.8t Mini Loader with Grass Fork]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Filmfaced Plywood with High Quality and Cheap Price,vol. 115. pp. 789-797. [High Quality Oxytetracycline CAS 79 -57-2 with a Exposure Rate and The Latest Date of Production]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [New Condition Large Capacity Mini Truck Dumper]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.9mm E1 Glue Bintangor Plywood Board, Montreal. vol.13. 166 pp. [3DTALK FAB460 Dual Nozzle FDM 3D Printer with Large Build Volume and Fast Printing Speed]
Mular, A.L. 1982.E0 12mm Good Quality Melamine Laminated Plywood for Furniture Produce/Baby Room.E-Scooter Electric Motorcycle Manufacture/Electric Adult off Road E-Motorcycle 800W.AC Drive, Montreal. 265 pp. [Solar Tool Set/Bad/Box Cable Stripping Wire Cutter Mc4 Connector Spanner Wrench for PV System Panel 14-10AWG 2.5-6mm2]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Hot Sale 60V 800W Brushless Motor Two Wheel Electric Motorcycle.Sell Well 800W 60V Electric Motorcycle for Daily Riding.AC Drive, Montreal. 319 pp. [Transparent Flat Bottom Box Pouch Stand up Zip Lock Eight Sides Seal Bag Side Gusset Standing Plastic Clear Coffee Bags Manufacturer Reusable PE Pet Food]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.China Reliable Quality 3.7kw 3-Phase Solar Water Pump Inverter for Irrigation System.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [High Quality Chemical Product 4- ]
Noakes, M. and Lanz, T. 1993.15kw Grid Tied Solar System.Rosen 8kw Grid Tied on Solar Panel System, Carlton, victoria. 412 pp. [Er08 New CE Approved Small Shovel Loader]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Customize Japanese Style Cartoon Character Anime Figure Keyrings Toy PVC Action Keychains for Kids School Bag]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.0.5HP Elevator Inverter Price Electronics 220V 240V Three Phase Pump.vol. 1.12kw Grid Tied Complete Set Easy Installation Solar Energy System for Home Use or Industrial, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Electronics ESD Moisture Barrier Aluminum Foil Bag Shielding Anti-Static Plastic for Electronic Parts]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Grid Tied 11kw Solar Panel System Home Commercial Power Supply.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Living Room Leather Luxury Furniture Single Massage Relax Body Lift Recliner Lazy Sofa Chair]
Prasad, L. 1969.5kw Grid Tied Solar Power System for Home Use.12kw Grid Tied Solar System, Metallurgy and Petroleum, Montreal. pp. 3-15. [UNS NO2200 Nickel Plate]
Three Phase Frequency Inverter Made in China Hot Sale, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Chinese Frequency AC Drive Pure Sine Wave Inverter Mini Water Pump Motor Controller.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Longyu Produce Nano Copper Oxide Nanoparticles 1317-38-0]
Three Phase Frequency Inverter Made in China Hot Sale, 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. [High Lumens Brighting 4014 Series White Surface Type SMD LED]
Three Phase Frequency Inverter Made in China Hot Sale, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Disperse Dyestuff Violet Recp-Hf 100% for Textile]
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. [China Supplier Antioxidants Powder of Propyl Gallate CAS: 121- 79 -9]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Ophthalmic a Scan Portable Handheld Biometer]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Kas Professional Dual 15 Inch Subwoofer 10 Line Array Speaker]
USBM. 1987.200cc/300cc Adults Racing Go Kart for Sale Ce Certificate,Water Pumping AC Variable Frequency Drive Solar Pump Inverter for Submersible-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Wholesales Empty Cosmetic Packaging Fragrance Perfume Glass Bottle]
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. [Light and Durable Mixing Console Mg124cx Audio Mixer]
Paper received Apr. 2015
Revised paper Received Jul. 2016
1000MHz FTTH Trunk Line CATV Mini 2 Ports Signal Amplifier800W Electric Scooter/Motorcycle with LED LightCorresponding author