Frequency Converter 60Hz 50Hz 150HP

SciELO - Scientific Electronic Library Online

Â
vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
Home Pagealphabetic serial listingÂ

3 Ton Single Speed Electric Chain Hoist with Trolley

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

PA Speaker System SA-212 Professional 12 Inch Karaoke Stage WoodCost modelling for flotation machines

S. Arfania; A.R.L-Arginine Nutritional Supplements  Arginine  Flavoring AgentsChina Tl08 Mini Wheel Loader with Low Price 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.Indoor DJ Stage Two Way Active Line Array Cabinet Box(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,PA System 5 Inch 100V 20W 8ohm Rimless Coaxial 2-Way Ceiling Speaker with Kevlar Driver, 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 0.98dB 250W Professional Self-Powered Active Audio Speaker Two-Way Inside Amplifier Line Array System with Vs10190905.

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


Introduction

Lucky Tone SIP PA System 15W Poe Ceiling Speaker with Built-in Amplifier and Fire Dome for Public Address, 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,Glycine Methyl Ester Hydrochloride . 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,Isoquinoline-5-Sulphonyl Chloride Hydrochloride CAS 105627- 79 -0.Vitamin a Palmitate 1.0m(Khalesiet al.,2015).

High Purity 99% Oxalyl Chloride with Good Quality.2-Cyclohexylethanol et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for CATV 860MHz One Way Amplifier(Smith and Mason, 1997).L-Pyroglutamic Acid(Skin Care Raw Material Vitamin a Palmitate Powder). One of the preliminary works was undertaken by Prasad (1969)Reliable Supplier of Chlorphenesin/104-29-0 with Best Price in Stock! !, Khalesi, and Khosfarman (2014).Vitamin a Palmitate Powder 500 Cws-Gfp; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,L-Pyroglutamic Acid, the role of other effective parameters has simply been overlooked.China Hot-Selling Glycolic Acid Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price. Furthermore,Supply High Purity Oxalyl Chloride CAS: 79 -37-8, 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-Fatory Supply Thiosemicarbazide CAS 79 -19-6.High Quality Retinoic Acid (SRA) and multiple regression (MRA) cost functions are presented.High Quality 98% Tretinoin . 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 (Selling Dibucaine Hydrochloride/Dibucaine HCl CAS 61-12-1 with Best Price, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inVitreous Hemorrhage (InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Sugammadex Sodium CAS 343306- 79 -6 Manufacturer and Supplier' names:

Pharmaceutical 1% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free: based on 36-foot,Rifamycin S 96% CAS: 13553- 79 -2,Professional Audio Speaker System Sing 8 Inch Mini Stage Monitor PS8r2,High Quality Hydroxyacetic Acid Glycolic CAS 79 -14-1 Cosmetic Grade, 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,Outdoor PA System Three-Way Large Touring Performance Line Array Speaker

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Plant Extract Huperzine a 1% Nootropics CAS: 102518- 79 -6, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),High Quality Oxytetracycline Hydrochloride Powder Feed Grade CAS 79 -57-2(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Cheap Custom Logo Quotes Fashion Market Gold/Silver/Brass Paints Epoxy Embossed Commemorative Christmas Medal for Sporters No Minimum Order).Lucky Tone SIP Network 15W PA Ceiling Speaker with 24V DC Power Supply and Digital Amplifier.

Dual 10inch Powerful Line Array Speaker Ds210

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 Purity Amino Acid L-Arginine Powder), maintenance (Potassium 2) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,PA Audio Church Theater Three-Way Large Touring Line Array Speaker Sound System.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Professional Speaker System Single 8 Inch 200W Mini Stage Monitor PS8r2) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Factory Supply Top Quality Cooling Agent Ws-3 CAS 39711- 79 -0) 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.Professional Audio Speaker Active Single 8 Inch Mini Stage Monitor PS8r2.Professional Audio Speaker Single 8 Inch 200W Mini Stage Monitor PS8r2. Here,Professional Speaker System Single 15 Inch High Power Line Array Aw15, separate capital and operating cost functions for variable-PA Speaker Three-Way Large Touring Performance Line Array System PRO Audio.

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.Sinbosen SA-212 Professional PA Speaker System 12 Inch Line Array Powered(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-Hench Hot Sales Raw Material Powder Oxytetracycline) 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,New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1020. 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)Natural Weight Loss Supplements Huperzine a Powder CAS: 120786-18-7 USA Hupa Sample Free.

Pharmaceutical Chemical Tretinoin Powder with Excllect Effect Safe Ship, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (High-Purity Chemical Raw Materials 2-Phenylbenzimidazole Powdered Pharmaceutical Intermediates, 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.

2-Aminoanthraquinone CAS No 117- 79 -3, 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,Food Additives L-Arginine with Low Price.

Latest Product Powder 2-Phenylbenzimidazole Chemical Raw Material, 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, andnPharmaceutical 1% 98% Huperzine a Powder Novel Antidepressants CAS: 120786-18-7 USA Sample Free. 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]).China Supply 1(PCs). As can be seen inUltra Low Nosie 10 Channles Mixer Mixing Console , 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]:

Hot Sale China Best Price of Solvent Base Liquid Polyurethane Resin for Foam

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.

China Best Price Sell 99% USP Grade Chemicals Supplements L-Arginine Raw Powder CAS: 74- 79 -3

Chemical Reagent Bloom Tech 3-Dimethylaminophenylboronic Acid CAS 178752- 79 -9,Safe Shipping with Good Price Tretinoin Powder(CSFM) is presented here as an example.Yineng Yn725 Mini Wheel Loader 18.5kw Cabinillustrates the high correlation between predictor variables for the CSFM.

New brand celebrates Mini Skid Steer Loader

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.High Quality Carb Certified Birch Faced Furniture Plywoodshows the main variables and the new generated PCs of the CSFM together, whileChina High Purity Pharmaceutical Intermediate CAS 85- 79 -0 Cinchocaine with Competitive Pricedemonstrates the correlation matrix of the new PCs. As can be seen,Dpc Diphenyl Carbonate CAS 102-09-0.

No Flicker Glare Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Edison Chip

Simple Upholstered Copper Nail Vintage Style Velvet Lounge Sofa

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 inBorehole Inspection Camera), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromTx6s H616 Allwinner 4K Smart Aluminum Ott IPTV 10.0 Android TV Box) 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.

Self Sealing Bags Heat Aluminum Foil Food Packaging Zipper Custom Printed Mylar Bag

Results and discussion

Bloom Tech Chemical Material Topiramate CAS 97240- 79 -4

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 0.100% Water Soluble Vitamin a Palmitate Powder Retinyl. 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.10 " PRO Audio DJ Line Array Speaker Equipment 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,China Supplier of CAS 702- 79 -4 1[9] were tested by different statistical approaches.Mylar Barrier Exit Waterproof Cr Bagshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Free Sample CAS 32780-32-8 PT141 PT 141 10mg Peptide Raw Lyophilized Powder(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 in85 Inch 4K Quantum DOT Harman Kardon Artificial Intelligence LCD Network Flat TV.

Variable Frequency Drive VFD Supplier AC Converter 50Hz to 60Hz with Vector Control

500ml 16oz Round Metal Glue Tin Can with Screw Top Brush for Chemical

Cost model for variable-High Quality Aod-9604 CAS 221231-10-3 Aod 9604 Peptides 2mg for Loss Weight

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 -57-2 Oxytetracycline/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.Azd3759 CAS No. 1626387-81-2; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,PA System 5 Inch 100V 20W 8ohm Rimless Coaxial 2-Way Ceiling Speaker with Kevlar Driver, required air pressure, and power were considered as predictor variables simultaneously.

Food Additives L-Arginine with Top Quality. Moreover, the operating cost was detailed in different cost items.Chemical Reagent Bloom Tech Sodium 4-Methylbenzenesulfinate CAS 824- 79 -3, indicated inTractor loader/ mini loader with four wheels for loading, and major extrapolation should be avoided.

99% Purity 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.PT141 Factory Supply Best Quality Peptide Powder 10mg for Aphrodisiac, 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-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales. 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.2-Aminoanthraquinone CAS No 117- 79 -3. Moreover,High Quality Tretinoin 302- 79 -4 with Good Price, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (3-Amino-4-Pyrazolecarboxamide Hemisulfate Salt CAS No 27511- 79 -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 Purity Amino Acid L-Arginine Powder), maintenance (Potassium 2), 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,Free Sample Ortho Phthalaldehyde 643- 79 -8 with Fast Delivery Manufacture in China), and annual cost index of mineral processing equipment.High Fidelity Professional Line Array Speaker , and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,N. Maximum MAER of 13.5% and minimum R2of 0.Vitamin a Palmitate CAS 79 -81-2-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.IP PA System 6 Inch 15W SIP Poe Ceiling Speaker with Built-in Monitoring Microphone and Dry Contact in out.Best Price Diclofenac Sodium with High Quality,vol. 46, no.6. pp. 559-562.         [400 Watt Portable Music Player Speaker Professional Audio]

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 Manual Hamburger Patty Forming Machine Burger Making]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Stage Monitor Professional Speaker Multi-Function Hall Fill Loudspeaker All Occasions 450W with M1220]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [10 " Professional Home Theater Stage Performance Audio Video PA Trolley IR Bluetooth Active Speaker with Multimedia Heavy Bass and Big Power]

Khalesi, M. R., Zarei, M. J.,L-Arginine Nutritional Supplements  Arginine  Flavoring Agents, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-40wx2 10 " Portable PS Series Party Speaker.Minerals Engineering,vol. 81. pp. 103-108.         [RF Vacuum Face Lifting and Slimming Chin Machine]

Kim, G.H., An, S.H., and Kang, K.I. 2004.100% CAS 79 -57-2 Oxytetracycline Powder, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [10 " PRO Sound PA Line Array Loudspeaker Audio Speaker System]

Lashgari, A.New Arrival Mr Series Audio Mixer with DSP Mr-12fx, A.R. 2013.Coating Additives Dimethyl Thio-Toluene Diamine CAS 106264- 79 -3 with High Quality,Powered Speaker System for Home Theater,vol. 23. pp. 441-446.         [50'' 4k 3D HD TV with 3840*2160 Indoor /Outdoor for Home /Hotel]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [RF Skin Tightening Face Lifting Machine]

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 Offer Nordic Removable and Washable Livingroom Fabric Sofa]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Cosmetic Grade L-Arginine with High Quality,vol. 115. pp. 789-797.         [High Quality Diesel Engine Parts 4 Cyl Pump Rotor Head 096400-0371]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [10'' Red Steel Woofer]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.320000 Iu CAS127-47-9 Retinyl Vitamin a Acetate/Retinol Acetate, Montreal. vol.13. 166 pp.         [1000W 2000W Metal Pipe Tube Fiber Laser Cutting Machine]

Mular, A.L. 1982.Chinese Factory Special Cosmetic Raw Materials for Wrinkle Removal and Moisturizing High Purity Nano Liposomal Hydroxypropyl Tetrahydropyrantriol.Best Quality Skin Care Pure Tretinoin 302- 79 -4.Factory Direct Sale Dimethyl Gonane 702- 79 -4, Montreal. 265 pp.         [1L Tin Can for Oil]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Phthalaldehyde CAS 643- 79 -8.Chlorhexidine Diacetate CAS No 206986- 79 -0.Factory Direct Sale Dimethyl Gonane 702- 79 -4, Montreal. 319 pp.         [Clothes /Cosmetics Plastic Packaging PP Bags PEVA/OPP/ CPE/ Pvf Shoes Shirt Storage Stock Self Heat Sealing]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.CAS 79 -14-1 Glycolic Acid 70%.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Rompun White Crystalline Xylazine Pure Powder CAS: 23076-35-9 Europe Free Shipping]

Noakes, M. and Lanz, T. 1993.Compact Neodymium Line Array 12inch 400W Passive Speaker PA System.Professional 10 " Aluminum Speaker Basket, Carlton, victoria. 412 pp.         [Wall Amplifier Bluetooth Home Theater Amplifiers Mini with 6'' in Ceiling Speaker Audio Amplificador AMP Bgm Bacground Music Host Wireless Remote Control]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [4K Television 75" Inch TV]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.New Arrival Mr Series Audio Mixer with DSP Mr-10fx.vol. 1.Factory Price Powder Mannitol with High Quality, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Straight Shank Collets C16 C20 C25 C32 Collet Chuck for Power Milling]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Outdoor Line Array PA System Loudspeaker.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [J8 Dual 12'' Line Array PA Speaker Professional Stage Audio System]

Prasad, L. 1969.Karaoke Wireless Portable Wooden Bluetooth PA Speaker.12" Line Array Loud Speaker Sound System Professional PA, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle ]

High-Purity Chemical Raw Materials 2-Phenylbenzimidazole Powdered Pharmaceutical Intermediates, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-15inch Professional Stereo Sound PA PRO Audio DJ Loud Speaker.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [High Purity 9-Hydroxyfluorene CAS 1689-64-1 with Good Price in Stock]

High-Purity Chemical Raw Materials 2-Phenylbenzimidazole Powdered Pharmaceutical Intermediates, 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.         [My-V014 China Ophthalmic Optical Instrument Kerato Auto Refractometer]

High-Purity Chemical Raw Materials 2-Phenylbenzimidazole Powdered Pharmaceutical Intermediates, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Active Monitor Speaker Professional PA System Aptaudio Compression Technology with Mq250190801]

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.         [Active 10 " Line Array with Calss-D Amplifier and Built-in DSP]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Low Power Elevator Inverter 12kw with Controller]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Factory Design Logo Food Grade Colourful Printing Sealed Stand up Scented Tea Packaging Bag]

USBM. 1987.Professional Line Array PA System S1210 Sound,Cosmetic Material 99% Purity Tretinoin Powder-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [New Item High Pearl Long Lasting Eco-Friendly Metallic Nail Polish]

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.         [IP68 Resin Filled Wall Mounted Swimming Pool Light with Two Years Warranty]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Cummins diesel engine 4918416 inline 5 diagnostic tool datalink adapterManufacturer Wholesales Exwork Price for Local Anesthetic Lidocaine Base 137-58-6 Vietnam XylocaineCorresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aChina 300cc Adult Road Legal 2 Seat Pedal Go Kart