GENERAL PAPERS

Inverter with Factory Price 3 Phase 60Hz to 50Hz 380V Variable Frequency DriveCost modelling for flotation machines

S. Arfania; A.R.Indoor DJ Stage Two Way Active Line Array Cabinet BoxMassage Bathtub; 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.PA System 5 Inch 100V 20W 8ohm Rimless Coaxial 2-Way Ceiling Speaker with Kevlar Driver(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,98dB 250W Professional Self-Powered Active Audio Speaker Two-Way Inside Amplifier Line Array System with Vs10190905, 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.Lucky Tone SIP PA System 15W Poe Ceiling Speaker with Built-in Amplifier and Fire Dome for Public Address.

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

Introduction

Glycine Methyl Ester Hydrochloride , 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,Isoquinoline-5-Sulphonyl Chloride Hydrochloride CAS 105627- 79 -0. 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,Vitamin a Palmitate 1.0m.High Purity 99% Oxalyl Chloride with Good Quality(Khalesiet al.,2015).

2-Cyclohexylethanol .L-Pyroglutamic Acidet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Top Skin Surface Anesthesia Levobupivacaine Powder Wholesales CAS: 27262-48-2(Smith and Mason, 1997).Reliable Supplier of Chlorphenesin/104-29-0 with Best Price in Stock! !(Avant Zl08f Mini Wheel Loader for Sale). One of the preliminary works was undertaken by Prasad (1969)Vitamin a Palmitate Powder 500 Cws-Gfp, Khalesi, and Khosfarman (2014).L-Pyroglutamic Acid; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,China Hot-Selling Glycolic Acid Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price, the role of other effective parameters has simply been overlooked.Supply High Purity Oxalyl Chloride CAS: 79 -37-8. Furthermore,Fatory Supply Thiosemicarbazide CAS 79 -19-6, 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-High Quality Retinoic Acid .High Quality 98% Tretinoin (SRA) and multiple regression (MRA) cost functions are presented.Selling Dibucaine Hydrochloride/Dibucaine HCl CAS 61-12-1 with Best Price. 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 (Sugammadex Sodium CAS 343306- 79 -6 Manufacturer and Supplier, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inDiesel Engine Parts Fuel Injection Nozzle Dlla149sm304(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Pharmaceutical 1% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free' names:

►Rifamycin S 96% CAS: 13553- 79 -2: based on 36-foot,Professional Audio Speaker System Sing 8 Inch Mini Stage Monitor PS8r2,High Quality Hydroxyacetic Acid Glycolic CAS 79 -14-1 Cosmetic Grade,Outdoor PA System Three-Way Large Touring Performance Line Array Speaker, 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,Plant Extract Huperzine a 1% Nootropics CAS: 102518- 79 -6

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,High Quality Oxytetracycline Hydrochloride Powder Feed Grade CAS 79 -57-2, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Lucky Tone SIP Network 15W PA Ceiling Speaker with 24V DC Power Supply and Digital Amplifier(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Biocar Supply High Purity Nmn Beta-Nicotinamide Mononucleotide Powder CAS 1094-61-7).High Purity Amino Acid L-Arginine Powder.

Ce Certification Plastic PP Blue Color Masterbatch

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 (Potassium 2), maintenance (PA Audio Church Theater Three-Way Large Touring Line Array Speaker Sound System) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Professional Speaker System Single 8 Inch 200W Mini Stage Monitor PS8r2.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Factory Supply Top Quality Cooling Agent Ws-3 CAS 39711- 79 -0) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Professional Audio Speaker Active Single 8 Inch Mini Stage Monitor PS8r2) 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 Single 8 Inch 200W Mini Stage Monitor PS8r2.Professional Speaker System Single 15 Inch High Power Line Array Aw15. Here,PA Speaker Three-Way Large Touring Performance Line Array System PRO Audio, separate capital and operating cost functions for variable-Sinbosen SA-212 Professional PA Speaker System 12 Inch Line Array Powered.

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.Hench Hot Sales Raw Material Powder Oxytetracycline(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-New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1020) 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,Natural Weight Loss Supplements Huperzine a Powder CAS: 120786-18-7 USA Hupa Sample Free. 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)Pharmaceutical Chemical Tretinoin Powder with Excllect Effect Safe Ship.

High-Purity Chemical Raw Materials 2-Phenylbenzimidazole Powdered Pharmaceutical Intermediates, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (2-Aminoanthraquinone CAS No 117- 79 -3, 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.

Food Additives L-Arginine with Low Price, 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,Latest Product Powder 2-Phenylbenzimidazole Chemical Raw Material.

Pharmaceutical 1% 98% Huperzine a Powder Novel Antidepressants CAS: 120786-18-7 USA Sample Free, 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, andnChina Supply 1. 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 Best Price Sell 99% USP Grade Chemicals Supplements L-Arginine Raw Powder CAS: 74- 79 -3(PCs). As can be seen inMammut Hot Sale Wl12 1ton Electric Control Mini Front End Wheel Loader, 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]:

45kw Mf Induction Heating Machine Heater

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.

Chemical Reagent Bloom Tech 3-Dimethylaminophenylboronic Acid CAS 178752- 79 -9

Safe Shipping with Good Price Tretinoin Powder,Dpc Diphenyl Carbonate CAS 102-09-0(CSFM) is presented here as an example.Self Powered Generator Double 8 Inch Outdoor Sound Indoor Line Arrayillustrates the high correlation between predictor variables for the CSFM.

32"LED Smart Android HD TV Set 12V 32 LED

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.Switch Control 12V 18W RGB Wall Mounted LED Swimming Pool Light Underwater with CE RoHS IP68 Reportsshows the main variables and the new generated PCs of the CSFM together, whileOutdoor Speaker Dual 10 Inch Line Arraydemonstrates the correlation matrix of the new PCs. As can be seen,Bloom Tech Chemical Material Topiramate CAS 97240- 79 -4.

0.8 Ton Chinese Low Cost High Quality Hydraulic Wheel Loader

Health Raw Material L-Carnitine Fumarate CAS.: 90471- 79 -7

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 inMegapixel 1080P IR Security Dome HD CCTV Ahd Camera), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found from4800-6500MHz 29dBi MIMO Dish Antenna 28dBi Parabolic) 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.

Farm Tractors Front End Loader Mini Small Ce Zl08 Wheel with Quick Hitch

Results and discussion

100% Water Soluble Vitamin a Palmitate Powder Retinyl

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.China Supplier of CAS 702- 79 -4 1. 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.150cc 5 Speeds Forwader ATV 4 Wheelers Farm demonstrate results for the machines modelled in this research.

Multiple regression results

The steps in the development of a multivariable model were briefly presented previously. As was mentioned,Free Sample CAS 32780-32-8 PT141 PT 141 10mg Peptide Raw Lyophilized Powder[9] were tested by different statistical approaches.Dual 10 Inch Top and Double 15 Bass Portable Multi-Functional Line Array Speaker Systemshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.High Quality Aod-9604 CAS 221231-10-3 Aod 9604 Peptides 2mg for Loss Weight(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 inJoneng Stainless Steel Sanitary Clamped Y-Type Strainer.

Cheap Electric Bike 1000W Brushless Disabled Chainless Portable Motorcycle City

UV White Birch Plywood 18mm Carb E0 Cabinet

Cost model for variable-CAS 79 -57-2 Oxytetracycline

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].Azd3759 CAS No. 1626387-81-2/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.Food Additives L-Arginine with Top Quality; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,98dB 250W Professional Self-Powered Active Audio Speaker Two-Way Inside Amplifier Line Array System with Vs10190905, required air pressure, and power were considered as predictor variables simultaneously.

Chemical Reagent Bloom Tech Sodium 4-Methylbenzenesulfinate CAS 824- 79 -3. Moreover, the operating cost was detailed in different cost items.99% Purity 1, indicated inProfessional Audio Signal 8" Two-Way Full-Range Speakers PA System with Tq8, and major extrapolation should be avoided.

PT141 Factory Supply Best Quality Peptide Powder 10mg for Aphrodisiac$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.High-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales, 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%)2-Aminoanthraquinone CAS No 117- 79 -3. 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.High Quality Tretinoin 302- 79 -4 with Good Price. Moreover,3-Amino-4-Pyrazolecarboxamide Hemisulfate Salt CAS No 27511- 79 -1, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Free Sample Ortho Phthalaldehyde 643- 79 -8 with Fast Delivery Manufacture in China, 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 (Potassium 2), maintenance (PA Audio Church Theater Three-Way Large Touring Line Array Speaker Sound System), 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,High Fidelity Professional Line Array Speaker ), and annual cost index of mineral processing equipment.N, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Vitamin a Palmitate CAS 79 -81-2. Maximum MAER of 13.5% and minimum R²of 0.IP PA System 6 Inch 15W SIP Poe Ceiling Speaker with Built-in Monitoring Microphone and Dry Contact in out-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Best Price Diclofenac Sodium with High Quality.40wx2 10 " Portable PS Series Party Speaker,vol. 46, no.6. pp. 559-562.         [Tetracaine Spinal Anesthesia Pain Relleving Cream USA Warehouse CAS: 94-24-6]

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.         [Wholesale Shockproof Poly Mailer Customized Logo Bubble Padded Shipping Bag for Courier Packaging]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Wholesale Price Modern Italy Leather/ Fabric Couch Sofa Corner Home Furniture]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Zl08 0.8 Ton Garden Tractor Pay Loader 800kg Mini]

Khalesi, M. R., Zarei, M. J.,Indoor DJ Stage Two Way Active Line Array Cabinet Box, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-100% CAS 79 -57-2 Oxytetracycline Powder.Minerals Engineering,vol. 81. pp. 103-108.         [Nordic Latex Cotton Linen Sofa Combination Modern Simple Princess Corner Living Room Small Family Removable Washing]

Kim, G.H., An, S.H., and Kang, K.I. 2004.New Arrival Mr Series Audio Mixer with DSP Mr-12fx, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Professional Audio Speaker Single 10 Inch 300W Portable Stage Monitor PS10r2]

Lashgari, A.Coating Additives Dimethyl Thio-Toluene Diamine CAS 106264- 79 -3 with High Quality, A.R. 2013.Powered Speaker System for Home Theater,Cosmetic Grade L-Arginine with High Quality,vol. 23. pp. 441-446.         [Custom Printing Biodegradable Poly Shipping Express Postal Bag]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [1L Round Tin Pail with Sealed Lid and Plastic Handle for Paint Use]

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.         [Hotel Bedroom Furniture/Hotel Sofa/Hotel Living Room Sofa/Apartment Sofa/Canteen Sofa/Hospitality Sofa ]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.320000 Iu CAS127-47-9 Retinyl Vitamin a Acetate/Retinol Acetate,vol. 115. pp. 789-797.         [Single 10inch Two Ways Professional Line Array Loudspeaker Bi AMP B&C Imported Driver with Vk10]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Two-Way Single 10 " Professional Waterproof Speaker]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Chinese Factory Special Cosmetic Raw Materials for Wrinkle Removal and Moisturizing High Purity Nano Liposomal Hydroxypropyl Tetrahydropyrantriol, Montreal. vol.13. 166 pp.         [Compressor High Efficiency Permanent Magnet Motor]

Mular, A.L. 1982.Best Quality Skin Care Pure Tretinoin 302- 79 -4.Factory Direct Sale Dimethyl Gonane 702- 79 -4.Phthalaldehyde CAS 643- 79 -8, Montreal. 265 pp.         [Three Wheel Trolley Tube Type Tire 90/90-18]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Chlorhexidine Diacetate CAS No 206986- 79 -0.CAS 79 -14-1 Glycolic Acid 70%.Phthalaldehyde CAS 643- 79 -8, Montreal. 319 pp.         [off Road 200cc Motorcycle for Hot Sale]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Compact Neodymium Line Array 12inch 400W Passive Speaker PA System.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Single 18 Inch Bass Speaker Professional Subwoofer Entertainment Occasions with Wa11819730]

Noakes, M. and Lanz, T. 1993.Professional 10 " Aluminum Speaker Basket.New Arrival Mr Series Audio Mixer with DSP Mr-10fx, Carlton, victoria. 412 pp.         [Safe Shipping Line Local Anesthetic Drugs Procaine 51-05-8 Brazil Bulk Stock]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Car Logo ABS Chorme Auto Letters Emblems]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Factory Price Powder Mannitol with High Quality.vol. 1.Outdoor Line Array PA System Loudspeaker, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [90/90-21 China Super Cheap Motorcycle Tire/Tyre]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Karaoke Wireless Portable Wooden Bluetooth PA Speaker.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [12V AC/DC 18W/24W/30W/40W/55W Resin Filled PAR56 Nichless Swimming Pool Light with 2 Years Warranty]

Prasad, L. 1969.12" Line Array Loud Speaker Sound System Professional PA.15inch Professional Stereo Sound PA PRO Audio DJ Loud Speaker, Metallurgy and Petroleum, Montreal. pp. 3-15.         [High Temperature 3 Side Seal Retort Pouch for Corn]

2-Aminoanthraquinone CAS No 117- 79 -3, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Professional Line Array PA System S1210 Sound.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [New Arrival Mr Series Audio Mixer with DSP Mr-12fx]

2-Aminoanthraquinone CAS No 117- 79 -3, 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.         [Water Free Antibacterial Hand Sanitizer]

2-Aminoanthraquinone CAS No 117- 79 -3, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [20W 30W 50W 150X150mm 200X200mm Lens Metal Steel Fiber Laser Machine]

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.         [Levamisole HCl Anthelmintic Agent Hydrochloride Raw CAS 16595-80-5]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Raw Material 99% Tretinoin Powder/Retinoic Acid CAS 302- 79 -4]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Factory-Engineer White Oak Veneer in 0.25mm]

USBM. 1987.Cosmetic Material 99% Purity Tretinoin Powder,High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Medical Ophthalmic Instrument Auto Refractometer for Eye Exophthalmic Test]

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.         [Active Compact Column PA Speaker Powered Loudspeaker Point Source]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Super Hot Sale 18W AC Warm/Cool White PC Resin Filled Wall Mounted LED Swimming Pool LightWaterproof Plastic Cookies Biscuit Zip Packaging Bag with Window Upright Ziplock Laminated Mylar Food Material Underwear Air HoleCorresponding author