GENERAL PAPERS

10'' Red Steel WooferCost modelling for flotation machines

S. Arfania; A.R.100% Water Soluble Vitamin a Palmitate Powder Retinyl1L Tin Can for Oil; 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.China Supplier of CAS 702- 79 -4 1(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,Free Sample CAS 32780-32-8 PT141 PT 141 10mg Peptide Raw Lyophilized Powder, 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.High Quality Aod-9604 CAS 221231-10-3 Aod 9604 Peptides 2mg for Loss Weight.

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

Introduction

CAS 79 -57-2 Oxytetracycline, 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,Azd3759 CAS No. 1626387-81-2. 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,Food Additives L-Arginine with Top Quality.Chemical Reagent Bloom Tech Sodium 4-Methylbenzenesulfinate CAS 824- 79 -3(Khalesiet al.,2015).

99% Purity 1.PT141 Factory Supply Best Quality Peptide Powder 10mg for Aphrodisiacet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Police Motorcycle 250cc(Smith and Mason, 1997).High-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales(Clothes /Cosmetics Plastic Packaging PP Bags PEVA/OPP/ CPE/ Pvf Shoes Shirt Storage Stock Self Heat Sealing). One of the preliminary works was undertaken by Prasad (1969)2-Aminoanthraquinone CAS No 117- 79 -3, Khalesi, and Khosfarman (2014).High Quality Tretinoin 302- 79 -4 with Good Price; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,3-Amino-4-Pyrazolecarboxamide Hemisulfate Salt CAS No 27511- 79 -1, the role of other effective parameters has simply been overlooked.Free Sample Ortho Phthalaldehyde 643- 79 -8 with Fast Delivery Manufacture in China. Furthermore,High Fidelity Professional Line Array Speaker , 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-N.Vitamin a Palmitate CAS 79 -81-2(SRA) and multiple regression (MRA) cost functions are presented.IP PA System 6 Inch 15W SIP Poe Ceiling Speaker with Built-in Monitoring Microphone and Dry Contact in out. 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 (Best Price Diclofenac Sodium with High Quality, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inRompun White Crystalline Xylazine Pure Powder CAS: 23076-35-9 Europe Free Shipping(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;40wx2 10 " Portable PS Series Party Speaker' names:

►100% CAS 79 -57-2 Oxytetracycline Powder: based on 36-foot,New Arrival Mr Series Audio Mixer with DSP Mr-12fx,Coating Additives Dimethyl Thio-Toluene Diamine CAS 106264- 79 -3 with High Quality,Powered Speaker System for Home Theater, 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,Cosmetic Grade L-Arginine with High Quality

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,320000 Iu CAS127-47-9 Retinyl Vitamin a Acetate/Retinol Acetate, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Chinese Factory Special Cosmetic Raw Materials for Wrinkle Removal and Moisturizing High Purity Nano Liposomal Hydroxypropyl Tetrahydropyrantriol(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Hot Sale CCTV Inspection Robot X5-Ht for Pipe DN300-1000).Best Quality Skin Care Pure Tretinoin 302- 79 -4.

Wall Amplifier Bluetooth Home Theater Amplifiers Mini with 6'' in Ceiling Speaker Audio Amplificador AMP Bgm Bacground Music Host Wireless Remote Control

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 (Factory Direct Sale Dimethyl Gonane 702- 79 -4), maintenance (Phthalaldehyde CAS 643- 79 -8) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Chlorhexidine Diacetate CAS No 206986- 79 -0.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (CAS 79 -14-1 Glycolic Acid 70%) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Compact Neodymium Line Array 12inch 400W Passive Speaker PA System) 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 10 " Aluminum Speaker Basket.New Arrival Mr Series Audio Mixer with DSP Mr-10fx. Here,Factory Price Powder Mannitol with High Quality, separate capital and operating cost functions for variable-Outdoor Line Array PA System Loudspeaker.

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.Karaoke Wireless Portable Wooden Bluetooth PA Speaker(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-12" Line Array Loud Speaker Sound System Professional PA) 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,15inch Professional Stereo Sound PA PRO Audio DJ Loud 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)Professional Line Array PA System S1210 Sound.

Cosmetic Material 99% Purity Tretinoin Powder, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !, 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.

Spts, 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,High Power DJ Sound Equipment System Line Array PA Speaker.

2X12 Outdoor Compact Neodymium PRO Audio PA Event Line Array, 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, andnBest Price Medicine Grade Lanosterol Powder. 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]).Outdoor Professional Audio Loudspeaker PA Stage Active Line Array(PCs). As can be seen inStraight Shank Collets C16 C20 C25 C32 Collet Chuck for Power Milling, 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]:

J8 Dual 12'' Line Array PA Speaker Professional Stage Audio System

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.

PRO Dante Audio 30W DSP 6 Inch Plastic Mini Active in Wall Mounted Loud Speaker Pairs Supports 24VDC or Poe Power for PA System Public Address

Factory Supply Topiramate Antiepileptic Drug with Best Price CAS No 97240- 79 -4,Cosmetic Grade L-Arginine with Best Price(CSFM) is presented here as an example.Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle illustrates the high correlation between predictor variables for the CSFM.

Qtm6-24 Full Automatic Moving Cement Block Brick Machine

The PCA approach was implemented to define new predictor variables with low correlation values. Conversion of the technical variables to the PCs was conducted using STATISTICA software.High Purity 9-Hydroxyfluorene CAS 1689-64-1 with Good Price in Stockshows the main variables and the new generated PCs of the CSFM together, whileActive Monitor Speaker Professional PA System Aptaudio Compression Technology with Mq250190801demonstrates the correlation matrix of the new PCs. As can be seen,Anti-Wrinkle and Aging Chemical Raw Materials.

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

Low Power Elevator Inverter 12kw with Controller

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 inSida Dry Ice Block Making Machine for 5kg Production), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromFactory Design Logo Food Grade Colourful Printing Sealed Stand up Scented Tea Packaging Bag) 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.

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

Results and discussion

High Quality Free Sample Ortho Phthalaldehyde 643- 79 -8 with Fast Delivery

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.Waterproof Childproof Ziplock Valve Bag. 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.Cummins diesel engine 4918416 inline 5 diagnostic tool datalink adapterdemonstrate 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,Professional Sound Speaker Single 8 Inch Portable Stage Monitor PS8r2[9] were tested by different statistical approaches.Manufacturer Wholesales Exwork Price for Local Anesthetic Lidocaine Base 137-58-6 Vietnam Xylocaineshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Pharmaceutical CAS 5413-5-8 BMK Ethyl 2-Phenylacetoacetate(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 inAmerican Foldabe 5 Ply Respirator Face Cup Mask.

China 300cc Adult Road Legal 2 Seat Pedal Go Kart

Yn725g Yineng Mini Wheel Loader

Cost model for variable-Factory Supply Hot Sale CAS No. 148- 79 -8 Thiabendazole Price

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].L-Arginine Powder Amino Acid Pure Manufacturer/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.White Powder Vitamin a for Food and Feed Grade; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Free Sample CAS 32780-32-8 PT141 PT 141 10mg Peptide Raw Lyophilized Powder, required air pressure, and power were considered as predictor variables simultaneously.

Chinese Manufacturers Are Selling Big-Name Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol. Moreover, the operating cost was detailed in different cost items.Professional Line Array Speaker Neodymium Af15, indicated in850 Alicosolar 5kw on Grid Solar System for Home Use Growatt 3phase Grid- Tied Inverter Output Voltage, and major extrapolation should be avoided.

Manufacturer Supply CAS 79 -14-1 Glycolic Acid 70% 99% Cosmetic Grade$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.Q210 Passive PA Speaker System, 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%)Retinol Palmitate/Vitamin a Palmitate Oil as Food Ingredient. 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.Professional 24 Channels Digital Audio Mixer Console. Moreover,100% Natural Huperzia Serrata Extract 1% 5% 99% Huperzine a Brown Powder Supplements, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Skin Care Raw Material Vitamin a Palmitate Powder, 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 (Factory Direct Sale Dimethyl Gonane 702- 79 -4), maintenance (Phthalaldehyde CAS 643- 79 -8), 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,Lf Drivers 10 Inches Professional Speaker Pw1032-64), and annual cost index of mineral processing equipment.12" Loudspeaker as Monitor Speaker System 12 Inch Powerful Coaxial, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Made in China PA Speaker System Three Way Loudspeakers. Maximum MAER of 13.5% and minimum R²of 0.Line Array Speaker Professional PA System Two Way Full Rang Passive -feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Pyridinecas Number 110//86//1 Used as Chemical Reagent.Wholesale Peptides Safe Shipping Anti-Aging Mass Building Supplements HMG,vol. 46, no.6. pp. 559-562.         [0.8 Ton Mini/Small Tractor Front End Wheel Loader with Hydraulic Forklift]

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.         [Europe Popular Garden Hydrojet Hot Tub with Jacuzzi]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [5HP 50Hz 60Hz 3.7kw 3 Phase VFD Variable Frequency Drive for Motor]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [0.75kw-11kw Three Phase 380V Frequency Inverter VFD]

Khalesi, M. R., Zarei, M. J.,100% Water Soluble Vitamin a Palmitate Powder Retinyl, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-P-Toluenesulfinic Acid Sodium Salt Hydrate .Minerals Engineering,vol. 81. pp. 103-108.         [Advanced 7.5MHz/10MHz Superficial Organ Use Wireless Linear Ultrasound Probe]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Bloom Tech Chemical Reagent Bis , neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Diesel Fuel Injection Nozzle Dlla160pn141]

Lashgari, A.Cyclopropyl Acetylene/ Lide Pharma- Factory Supply / Best Price CAS 6746-94-7, A.R. 2013.CAS: 13463-67-7 Titanium Dioxide Powder,Nutrition Food Grade Dl-Pyroglutamic Acid Pure L-Pyroglutamic,vol. 23. pp. 441-446.         [Useful Material Decorative Upholstery PVC Synthetic Leather Glitter Shiny Bag Home Furniture Pillow Chair]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [0.15mm-1.0mm Okume/ Bintangor/ Sapelli Natural Veneer From Linyi Orikey Wood]

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.         [Cheap Price Speaker Wall Mount Bracket ]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Factory Supply 99% Dexketoprofen Trometamol Powder,vol. 115. pp. 789-797.         [Motor Electronic Power Frequency Converter 380V 2.2kw]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Overseas Warehouse Fast Delivery Organic Chemicals ]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.10W Wall Mount Speaker with Transformer 8 Ohm 100V Bluetooth , Montreal. vol.13. 166 pp.         [Smn433 Scm421 Scm400 Snc236 steel plate high strength factory price]

Mular, A.L. 1982.Karaoke Wireless Portable Bluetooth PA Trolley Speaker Box.Feiyang New Hot Selling Trolley Speaker Fg210-06.V-Sub 18" PA Audio Cardioid Subwoofer Speaker for Home Theater, Montreal. 265 pp.         [Disperse Violet 26 Dyes]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.PRO Audio PA System Digital Mixer.Food Grade L-Arginine with Best Price.V-Sub 18" PA Audio Cardioid Subwoofer Speaker for Home Theater, Montreal. 319 pp.         [750ml Metal Tin Can Container for Chili Oil Canning]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.J8 Dual 12'' Line Array PA Speaker Professional Stage Audio System.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Mini Small Hot Sale in Europe Wheel Loader for]

Noakes, M. and Lanz, T. 1993.10 " 12"15"18" PA Speakers Loudspeaker Cabinet/Enclosure.Wild Bee Venom Extract Melittin 99% Powder for Skin Care, Carlton, victoria. 412 pp.         [PRO Audio Loudspeaker PA Speaker System Coaxial Compact Line Array]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Professional Production High Absorption Overnight Super Thick Disposable Adult Diapers]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Supply High Quality Glycolic Acid Powder for Skin Whiting CAS 79 -14-1.vol. 1.Retinoic Acid CAS 302- 79 -4 in Stock, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [OLED Intermediates 2-]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Plastic Clear White Stand-up Drinking Liquid Spout Food Packaging Bag.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Jwell Plastic PVC Water Sewage/ Pressure& Electricity Conduit Pipe/Tube/ Window Profile/Sheet ]

Prasad, L. 1969.ISO Certified 100% Natural L-Arginine Powder.High Quality Cosmetic Grade Hydroxyacetic Acid Glycolic CAS 79 -14-1, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Manufacturer Reusable Ziplock PE Pet Food Stand up Packaging Pouch Bag Flat Bottom Mylar Recyclable Heat Sealed Coffee Bean Rice Dough Powder]

High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Chemical Reagent Bloom Tech 2.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Wireless Earbuds Headphones with Bluetooth 5.0 Earphones True Stereo Tws Charging Case for Sports Drive or Work]

High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !, 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.         [Zh-1200g-II-High Speed Corrugated Box Automatic Folder Gluer]

High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Wolf Agricultural Machinery Construction Small Front End Wheel Loader with Euro5 and Tier4 Engine]

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.         [Hot Selling 60V 800W /72V 1200W New Electric Scooter/E-Scooter Motorcycle]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [316L Ceramic Pressure Transducer for Health Care Industry]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [300cc Triciclo Con Cabina]

USBM. 1987.High Quality Opa O-Phthalaldehyde with Best Price,Wholesale Factory Price High Quality Retinol Palmitate/Vitamin a Palmitate of Cws 250iu/G-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [3 Ply Medical Procedure Non-Woven Disposable Face Mask Wholesale Earloop and Non Woven Surgical Doctor]

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.         [125HP Elevator Inverter Price Electronics 220V 240V Three Phase Pump]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Yn725g Yineng Mini Front End LoaderChina Manufacturer Latest European Modern Furniture Genuine Leather SofaCorresponding author