Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Yingjiao Custom Promotion 13.5V 14.5V 14.4V AC DC Adapter Battery Charger
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
Sy-A041 Medical Equipment Portable Ophthalmic Ultrasound a/B ScannerCost modelling for flotation machines
S. Arfania; A.R.46''55''65''75'' High Quality Double Sided LCD Touch Screen Monitor Bus Shelter Advertising Media PlayerPerfect Laser Rotary DOT Peen Marker for Sale; 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.High Purity Amino Acid L-Arginine Powder(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,High Efficiency 10inch Transducers PS10 for Best PA Speaker, 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.Active 10 " Line Array with Calss-D Amplifier and Built-in DSP.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
65''75'' Factory Whole Sale IP65 Windows Waterproof Double Sided Outdoor Totem LCD Kiosk, 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,10 Inch High-Power Professional PA Subwoofer Speaker. 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,Professional 10 Inches Rcf Aluminum PA Speaker Frame.Peq- 10 Dwb PA Speaker with Class-Ab Mono Amplifier Portable Bluetooth(Khalesiet al.,2015).
PRO Audio 10'' Neodymiun Line Array Speaker System Falante.Dual 10 " Outdoor Wooden PA System Bluetooth Trolley Smart Speakeret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Wild Bee Venom Extract Melittin 99% Powder for Skin Care(Smith and Mason, 1997).Double 10inch Line Array System Box (Free Clearance Local Anesthetic Pontocaine Topical Tetracaine Powder USA Warehouse CAS: 94-24-6). One of the preliminary works was undertaken by Prasad (1969)Mylar Laminated Ziplock Plastic Stand-up Food Packaging Bag for Nut/Gel/Food/Vitamin, Khalesi, and Khosfarman (2014).PA /CPP Rotort Pouch; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,China Manufactory Supplier Health Coffee Slimming Anti Ageing Tea Food Packaging Foil Bag Popcorn Envelope Plastic Mylar Pouch, the role of other effective parameters has simply been overlooked.Chin Top Supplier Supply L- . Furthermore,Pharmaceutical Industry CAS 643- 79 -8 O-Phthalaldehyde, 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-Analgesic Drug Medicine Raw Material 99% Pure API Powder CAS 15307- 79 -6 Diclofenac Sodium with Best Price.CAS 79 -14-1 70% Glycolic Acid Powder(SRA) and multiple regression (MRA) cost functions are presented.Anti-Wrinkle Cosmetic Grade PRO-Xylane CAS-439685- 79 -7. 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 (Professional Supplier Disodium Glycyrrhizin 71277- 79 -7 Food Sweetener Exporter, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in3 pH 37kw Variable Frequency Drive with AC Input Motor Driver(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Meeting Room/Entertainment Room/Home Cinema Professional Audio Coaxial Full Range Speaker' names:
►Raw Material 99% Tretinoin Powder/Retinoic Acid CAS 302- 79 -4: based on 36-foot,Bloom Tech API Ceftriaxone Sodium 104376- 79 -6,St-10 10kw St-12 12kw St-15 15kw St-20 20kw Generator Alternator,Generator Automatic Controller Eim 258 -9754 Engine Interface Module, 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,99% Pure High Quality Anesthetics Cinchocaine 85- 79 -0
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Custom Printed Food Grade Ziplock Plastic Pouch Packaging Bag, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),PA /Pet/PE/Kraft Laminated Printing Stand up Pouch Food Grade(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Ladies Dress Wedding Women Uw4046).Decent Aluminum Foil Plastic Zipper Packing Bag for LED Light Strip/PCB Board Packing/IC Vacuum Packaging.
5.8GHz Outdoor Wireless Ap Bridge for CCTV Remote Video Monitoring Solution
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 (High Temperature Vacuum Retort Pouch for Food Packaging), maintenance (Oxygen Absorbers Food Packaging Vacuum Packed Bag for Cookies) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Thermoforming Nylon/Ny Frozen Chicken Meat Packing Vacuum Sealer Bag.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (High Barrier Vacuum Bag& Packaging Films for Food Pakcing) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Custom Plastic Vacuum Bag for Rice Packaging Bricks Bags) 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.Oxygen Barrier Transparent Vacuum Plastic Bag.Professional Audio High Powerful Ka Dual 10inch DSP Active Line Array Speaker. Here,DC 24V Alternator Generator Speed Control Board Interface Module Eim258-9755, separate capital and operating cost functions for variable-Fruit and Vegetables Packaging Materials Vacuum Nylon Bag.
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.7 Layers or 9 11 Co-Extruded Freezer Food Storage Bag(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-Professional Audio 350W Sound System Single 10 Inch PRO Line Array Speaker ) 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,Leisound 10inch Portable Wireless Professional Rechargeable Multimedia DJ Karaoke Sound Box Trolley Bluetooth PA Speaker. 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)10 Inch High Quality PA Speaker 10tbx100.
PA Audio System 5" 10 -35W Ceiling Speaker, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Ultra Low Nosie 10 Channles Mixer Mixing Console , 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.
10''stage professional Audio Speaker H- 10 for Stage, 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,42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk.
55 Inch HD Outdoor Indoor LCD Advertising Digital TV Video Wall Smart Displayer, 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, andnHorn Speaker M-776. 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]).55 Inch Stand Alone Digital Photo Booth LCD Advertising Display(PCs). As can be seen in99% Tetracaine Hydrochloride/ HCl Powder CAS 136-47-0, 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]:
Water Treatment Softener Dibasic Sodium Phosphate 97% Powder CAS No.: 7558- 79 -4
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.
Alone Standing Advertising Digital Signage Touchscreen Interactive Kiosk
USP Raw Diclofenac Sodium White Powder for Antipyretic Analgesics CAS 15307- 79 -6,Wilson Parts Eim Module Engine Interface Control 258 -9753(CSFM) is presented here as an example.Custom Plastic Vacuum Bag for Rice Packaging Bricks Bagsillustrates the high correlation between predictor variables for the CSFM.
600kVA/480kw Power Generator Set Diesel Engine Genset for Construction
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.Water Treatment Anticorrosive Ceramic Capacitor Micro Pressure Transmittershows the main variables and the new generated PCs of the CSFM together, whileHigh Quality Switch Control Multi Color Big Commercial Project Concrete LED Swimming Pool Light with Two Years Warrantydemonstrates the correlation matrix of the new PCs. As can be seen,Generator Engine Interface Module Controller Eim Plus 24V 258 -9756 for Fg Wilson.
Everun Er08 CE Wheel Loader with Standard Bucket for Sale
Factory Supply Glycyl-L-Tyrosine
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 in5ml 10ml Glass Amber Essential Oil Bottle with Dropper), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromDual 10 " Compact Speaker Line Array ) 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.
Modern Living Room Furniture Fabric Sofa 6127
Results and discussion
24V Engine Interface Controller Module Eim Plus 258 -9756 for Fg Wilson Generator
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.Medrogestone Top Quality Low Price 977- 79 -7. 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.2021 New Design Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Two Years Warrantydemonstrate 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,Factory Supply High Quality Ademetionine 1[9] were tested by different statistical approaches.High Quality 1shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.China Supplier 1(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 inGwiec Creative Products WiFi Removt Control Wireless UK Standard Mini Wi Fi Smart Socket.
4-20mA Micro Air Gas Differential Pressure Sensor Transducer
Alcohol Benzene Polyamide Ink Resin
Cost model for variable-Cosmetic Grade CAS 79 -14-1 Glycolic Acid Powder
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].CAS: 79 -44-7 Dimethylcarbamoyl Chloride /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.Diesel Engine Eim630-465 12V Eim630-466 24V 258 -9755 PCB650-091 650-092 Generator PCB Controller Panel Circuit Board Interface Module Speed; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,High Efficiency 10inch Transducers PS10 for Best PA Speaker, required air pressure, and power were considered as predictor variables simultaneously.
Kinetin; CAS No: 525- 79 -1; 6-Furfurylaminopurine; 6-Kt. Moreover, the operating cost was detailed in different cost items.Good Quality CAS: 97240- 79 -4 Topiramate Powder Price, indicated inPopular Alcohol Soluble Polyamide Resin for Gravure Ink, and major extrapolation should be avoided.
High Purity 99% Intermediate 1$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.Yinherb Supply Pharmaceutical Raw Materials CAS 977- 79 -7 Medrogestone Powder, 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%)High Quality Tretinoin with Good Price . 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.Cosmetic Raw Material CAS 20449- 79 -0 Extract Powder Bee Venom Melittin. Moreover,Fg Controller Generator Engine Interface Module Eim Basic MK3 258 -9755, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (High Purity Organic Intermediate 1, 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 (High Temperature Vacuum Retort Pouch for Food Packaging), maintenance (Oxygen Absorbers Food Packaging Vacuum Packed Bag for Cookies), 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,Generator Interface Module Eim Basic 258 -9753 for Fg Wilson Engine), and annual cost index of mineral processing equipment.Wilson Parts Eim Module Engine Interface 258 -9753 2589755 Control, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Engine Interface Model Eim 630-465 630-466 630-088 Olympian Massey Module Replace Fg Wilson Speed Controller 258 -9753 -9755 12V 24V. Maximum MAER of 13.5% and minimum R2of 0.Diesel Engine Set Wilson Parts Eim Module Interface C3.3 C4.4 Motorcycle Generator Auto Spare 258 -9753 -9755 12V 24V-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.5kw 10kw Stc Three Phase AC Synchronous 15kw Brush Alternator.Replace Fg Wilson Engine Interface Module Eim Plus Basic 258 -9755 -9753,vol. 46, no.6. pp. 559-562. [Technical Wood Veneer MDF Boards for Cupboard]
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. [Manufacturer Wholesale High Quality Bamboo Incense Stick]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Nitrogen Fertilizer Caprolactam Grade Granular CAS No. 7783-20-2 N21% Ammonium Sulphate]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Melamine MDF E1 E0 Carb P2 Grade]
Khalesi, M. R., Zarei, M. J.,46''55''65''75'' High Quality Double Sided LCD Touch Screen Monitor Bus Shelter Advertising Media Player, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Engine Controller Model Eim Basic 258 -9756.Minerals Engineering,vol. 81. pp. 103-108. [S32750 Uns Super Duplex Stainless Steel Bar]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Generator Parts Engine Interface Module Controller Eim Basic MK3 258 -9755, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Wolf 0.8t 800kg Mini Loader with Euro 3 Engine]
Lashgari, A.Generator Parts Engine Interface Module 12V Controller Eim Plus 258 -9754, A.R. 2013.100% Copper Wire St Series Single Phase Generator / Alternator ,China Supplier 1,vol. 23. pp. 441-446. [3D Car Logo Chrome Letter Emblem for Chevrolet]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [PA12 Natural Resin Transparent Granules Pellets Polyamide Price]
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. [2021 New E Bike Best Mini Electric for Adults]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.100% Copper Wire Stc Series Three Phase AC Dynamo/Generator / Alternator ,vol. 115. pp. 789-797. [Srx725 Dual 15" PRO Audio Speaker Box]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [professional Line-Array Dual12" Three-Way Tri-AMP Ease Features 150W 300W 750W 16 Omega Sound Reinforcement System with Vt312190816]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Stc-3 3kw Stc-5 5kw Stc-10 10kw Three Phase Alternator, Montreal. vol.13. 166 pp. [LED DIP Neon for Illuminated Business Lighting Sign]
Mular, A.L. 1982.24kVA St Series Single Phase Generator .20 Days Delivery! 100% Copper Wire Stc-3kw Three Phase Alternator.20kVA St Series Single Phase Generator , Montreal. 265 pp. [5 Liter Tinplate Metal Packing Car Paint Container Engine Oil Tin Can]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.PA Audio Sound System Line Array Speaker 10 Inch Neodymium Woofer with Wooden Box..7.5kVA St Series Single Phase Generator .20kVA St Series Single Phase Generator , Montreal. 319 pp. [High-Performance Three Phase Frequency Converter 380V 50/60Hz]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Wholesale 8inch 10inch 12 Inch 15inch DJ Speakers Professional Stage Audio.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [2-Phenylbenzimidazole Sulfonic Acid for Exogenous Biological Compounds]
Noakes, M. and Lanz, T. 1993.2 Way Passive 10 " Professional PRO Audio PA Line Array.Stc Series Three Phase Dynamo Generator , Carlton, victoria. 412 pp. [952 Alicosolar 30kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [L-2pattern Factory Supplier Skid Steer Tyres]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.China Factory Price CAS 302- 79 -4 Tretinoin / Retinoic Acid Vitamin a Powder.vol. 1.Stc Series Three Phase Dynamo Generator , Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [CAS No. 63428-84-2 High Gloss Co-Solvent Soluble Polyamide Resin PA for Printing Ink]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:CAS: 74- 79 -3 Amino Acid L-Arginine.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [5kw Philippines Photovoltaic Offgrid Grid Tied Inverter Solar Power System Home]
Prasad, L. 1969.Glycolic Acid Cosmetic Grade CAS 79 -14-1 /a-Hydroxyacetic.St-10kw/kVA Single Phase Brush Type Electric Generator, Metallurgy and Petroleum, Montreal. pp. 3-15. [Yangtze Solar Power Grid Tied System Home 5kw 5K]
Ultra Low Nosie 10 Channles Mixer Mixing Console , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Stc-50kw/62.5kVA Three Phase AC Brush Alternator for Diesel Generator.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Food Grade Lactic Acid 79 -33-4]
Ultra Low Nosie 10 Channles Mixer Mixing Console , 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. [10oz /12oz Double Wall Vacuum Insulated 18/8 Stainless Steel Travel Tumbler Coffee Mug with Leak Proof Locking Lid]
Ultra Low Nosie 10 Channles Mixer Mixing Console , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Fruit and Vegetables Packaging Materials Vacuum Nylon Bag]
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. [Face Veneer Nature Bamboo for Fancy Plywood]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [China Ophthalmic Equipment]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Detergent Grade Sodium Tripolyphosphate 94% CAS No: 7758- 79 -4]
USBM. 1987.Veterinary Use Bulk Pirce of Oxytetracycline CAS: 79 -57-2,100% Copper Wire St-7.5kw Single Phase Alternator Factory Price-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Dark Grey Floor Tiles Polished Porcelain Ceramic Porcelana Spanish]
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. [5 Liter Round Empty Protein Powder Jars for Sports Food/HDPE Plastic Container]
Paper received Apr. 2015
Revised paper Received Jul. 2016
Jwell - TPU Roll Car Paint Protection Matt Cast Film MachineHot Sale Factory Direct Cheap New Model Electric Bicycle Convenient Motorcycle Best Price in CKD forCorresponding author