GENERAL PAPERS

HPM128 High stability Explosion-proof Pressure TransmitteCost modelling for flotation machines

S. Arfania; A.R.67-63-0 Pharmaceutical Intermediates Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa866 5kw on Grid Solar System with Power Inverter for Home; 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.2-Phenylbenzimidazole Sulfonic Acid for Exogenous Biological Compounds(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,Battery-Powered PA Multimedia USB Radio Speaker Outdoor Use, 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.Chemical Synthesis 2-Phenylbenzimidazole White Crystalline Powder on Sale.

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

Introduction

Active Compact Column PA Speaker Powered Loudspeaker Point Source, 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,PA Speaker Sound System Dual 8'' Two-Way Line Array. 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,Wall Amplifier Bluetooth Home Theater Amplifiers Mini with 6'' in Ceiling Speaker Audio Amplificador AMP Bgm Bacground Music Host Wireless Remote Control.12"Neodymium Loudspeaker for Line Array Speakers or PA in Professional Audio Equipments(Khalesiet al.,2015).

PRO Audio with Tweeter Horn for Line Array .Manufacturers Supply Top Quality Larocaine Powder with Best Price CAS: 94-15-5et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Zl08f Wheel Loader with Rops Cab(Smith and Mason, 1997).Procaine Ester Anesthetic Skin Surface Anesthesia Top Quality HCl Powder(Xprobe Series Built-in Screen Wireless Probe Type Ultrasound Scanner). One of the preliminary works was undertaken by Prasad (1969)GMP Factory Supply High Quality Anesthesia Levobupivacaine Pain Release CAS: 27262-48-2, Khalesi, and Khosfarman (2014).Professional Audio Loudspeaker Vt312 Dual 12 Inch Stadium PA Speaker; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa for Dehydrating Agent and Cleaning 67-63-0, the role of other effective parameters has simply been overlooked.Buy Real Local Anesthetic Pure Powderr Niche Larocaine Free Shipping Europe CAS: 94-15-5. Furthermore,High Purity Local Anesthetic Larocaine Powder CAS: 94-15-5 UK Hot Sales, 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-Safe Delivery High Purity Raw Materials Larocaine USP 42 South American Warehouse.Free Sample China Top Local Anesthetic Larocaine USA Warehouse CAS: 94-15-5(SRA) and multiple regression (MRA) cost functions are presented.Speaker Wall Mount Bracket for PRO Audio Steel 134.8L*90W*160h . 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 (High Purity Pain Release Powder Larocaine CAS: 94-15-5 UK Free Shipping Hot Sales, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in55% Rubber Content Tyre High Performance Diagonal Motorcycle Tires 200/55- 17(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;New Design Source Column Speaker 6X6.5inch B&C Imported Driver Unit PA Line Array Subwoofer with Novi' names:

►New Professional Coaxial Line Array Column Speaker 20PCS Driver Unit PA System with L16-Ci: based on 36-foot,PA System Single 18" Sub Bass Speaker Low Pitch Subwoofer with Wa118,Home Theater PA PRO Audio Speaker,PA Speaker Dual 8 Inch PRO Audio Professional Line Array 18inch Passive/Active Powered Subwoofer, 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,Professional Audio Kara Line Array

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Three-Way Large Touring Performance Line Array System PA Speaker, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Manufacturers Supply Top Quality High Purity Bupivacaine Powder with Best Price CAS: 14252-80-3(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Bread Making Production Line Food Processor).Professional Audio Signal 8" Two-Way Full-Range Speakers PA System with Tq8.

Chinese Suppliers B/C/D/E Grade Wood/Natural Birch Veneer

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 (Fdb Audio Double 6 Inch Line Array Speaker Professional Outdoor PA System), maintenance (Best Quality Safe Delivery 1) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Cheap Price Speaker Wall Mount Bracket .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Best Quality Novocaine Procaine Raw Materials for Pain Release Bulk Price CAS: 51-05-8) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Buy Prilocaine Hydrochloride Local Anesthetic Powder Factory Wholesales Price CAS: 1786-81-8) 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.Manufacturers Supply .High Quality Veterinary Grade USP Furaltadone HCl/ Hydrochloride. Here,High Quality Lidocaine Hydrochloride / HCl CAS 73-78-9, separate capital and operating cost functions for variable-Steel Wall Bracket for Speaker with Quick Release Pin .

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.Manufacturers Supply Top Quality High Purity Procaine Powder with Best Price CAS: 51-05-8(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-CAS No.: 67-63-0 Senior Quality Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa) 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,99% Pure Powder Novocaine Procaine Factory Bulk Stock CAS: 51-05-8 Europe Free Sample. 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)Free Sample Local Anesthetic Novocaine Painkiller Cream Solution Procaine CAS: 51-05-8.

Pain Release Best Oral Capsules Procaine Pure Raw Materials Novocaine CAS: 51-05-8, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Tetracaine HCl CAS136-47-0, 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.

Factory Wholesales Painkiller Solutions Free Sample Novocaine CAS: 51-05-8 Canada Procaine Promotion, 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,CAS No.: 67-63-0 Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa.

Benzocaine CAS 94-09-7 Tetracaine HCl Lidocaine Sell 136-47-0, 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, andnMelamine Molding Powder for Making Tableware Dishware China. 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]).Professional Self-Powered Active Bass Speaker Subwoofer Single 18inch PA Audio System 800W Vs18s20(PCs). As can be seen inVector Control Frequency Converter Solar Pump Inverter AC Drive 3 pH Electric Motor, 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]:

Industry Saveing Box

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.

8X4" Active Column PA Speaker

Chinese Lidocaine Hydrochloride CAS 73-78-9 HCl,Professional Speaker with Hanging Hardware Parts Horizontal (CSFM) is presented here as an example.Single Phase Input and Output 220V Able 640 Static Frequency Converter 400Hzillustrates the high correlation between predictor variables for the CSFM.

International Sea Freight Shipping Agent Service From China to Mayotte

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.2.4G 5.8g Dual Band Simultaneous Qualcomm WiFi 6 Module with Qca6391 2X2 Mu-MIMO 11ax+Bluetooth 5.1shows the main variables and the new generated PCs of the CSFM together, whileNicheless Flat Resin Filled Thin 12W Wall Mounted IP68 RGB Underwater LED Swimming Pool Lightsdemonstrates the correlation matrix of the new PCs. As can be seen,PA Power DJ Audio Speaker.

10 Active Full Range Stage Sound Loud Speaker System Audio

New Tw Audio Vera36 Dual 10 " Line Array Speaker System

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 inGood Quality Automatic 3 Axis CNC Router Wood Carving Machine 1325 for Sale), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromBody Sculpting Vela Smooth Velashape Device Liposuction Price Machine for Sale) 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.

Bost Motorcycle Parts Accessories Air Filter for 2-Wheel 4-Stroke Gy6 -125 -150 Bikes

Results and discussion

PA PRO Audio Stage 8 Ohm Speaker 12 Inch Neodymium Woofer 500W 2622HPL Loudspeaker

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.Professional Two-Way Speaker 4X6.5inch 100dB 600W Line Array PA Audio System with L7. 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.Frequency China Vector Control AC Drive Power Supply Inverter Solar Converterdemonstrate 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,12nw76D- PA PRO Audio Stage 8 Ohm Speaker 12 Inch Neodymium Woofer 500W 2622HPL Loudspeaker[9] were tested by different statistical approaches.High Quality Aod-9604 CAS 221231-10-3 Aod 9604 Peptides 2mg for Loss Weightshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Double 12" 3-Way Line Array PA Speaker(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 inPig Splat Ball Water Squeeze.

Inverter

Single 18" Subwoofer Speaker Box

Cost model for variable-Self-Powered Active Bass Speaker Professional Subwoofer Single 18inch PA Audio System 800W Vs18s20

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].PA Speaker Parts&Accessories Back Plate Speakon Nl4 /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.Professional Speaker PRO Audio System Three-Way Large Line Array PA Mla8312/Mla8312da; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Battery-Powered PA Multimedia USB Radio Speaker Outdoor Use, required air pressure, and power were considered as predictor variables simultaneously.

15 Inch PRO Audio Speaker Woofer with Dual Voice Coil Design Loudspeaker. Moreover, the operating cost was detailed in different cost items.Factory Wholesales Prilocaine Hydrochloride 2% Hyperbaric Solution for Intrathecal Injection CAS: 721-50-6, indicated inZhejiang Province Acrylic Standing Alone Bathtubs, and major extrapolation should be avoided.

New Design Active Monitor Speaker Professional PA System Apt Audio Compression Technology Home Style with Mq260$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.CAS No.: 67-63-0 Isopropyl Alcohol , 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%)PA Speaker Parts of T24 12 Inch . 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.PA Speaker with Horn Parts 210L*62W*105h 1"X2 . Moreover,PA Speaker Dual 12 Inch 3-Way PRO Audio Professional Line Array, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (CAS No.: 67-63-0 Colorless Transparent Liquid Isopropyl Alcohol 99.9% / Isopropanol, 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 (Fdb Audio Double 6 Inch Line Array Speaker Professional Outdoor PA System), maintenance (Best Quality Safe Delivery 1), 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,Food Grade L Selenomethionine Powder/L-Selenomethionine), and annual cost index of mineral processing equipment.120W 12" Portable Polywood Cabinet Trolley Speaker with 2 UHF Mics, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Powersoft Professional Line Array Active Subwoofer Column System DSP PRO Audio Speaker PA Ml15SA. Maximum MAER of 13.5% and minimum R²of 0.Single 15 Inch PA Full Sound Systems Professional PRO Speaker-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Cheap Price PA Speaker of Line Array Rigging 8 Inch .Professional Self-Powered Subwoofer DSP Function Indoor Outdoor PA System Bass Speaker with Vk10SA19729,vol. 46, no.6. pp. 559-562.         [Granular Ammonium Sulphate]

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.         [Purple PC Dyed Viscose Hote Sale Chenille Fabric]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Highly Effective Deltamethrin ]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [High Quality 18mm Carb Birch Okoumen Plywood]

Khalesi, M. R., Zarei, M. J.,67-63-0 Pharmaceutical Intermediates Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-PA Speaker Horn for Stage 180L*180W*106h 1" .Minerals Engineering,vol. 81. pp. 103-108.         [Supply High Purity Oxalyl Chloride CAS: 79 -37-8]

Kim, G.H., An, S.H., and Kang, K.I. 2004.6inch Bar PA Full Sound Speaker System Audio Muslims, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Ceftriaxone Sodium 99% API CAS 104376- 79 -6 for Injection Grade]

Lashgari, A.China Exwork Price Emla Cream Raw Materials Lidocaine Prilocaine Local Anesthetic Powder CAS: 1786-81-8, A.R. 2013.99% Amide Type Lidocaine Prilocaine Cream USP 2.5% Local Anesthetic Raw Powder CAS: 1786-81-8,Aluminium Back Plate for PA Speaker ,vol. 23. pp. 441-446.         [Hotel Project LED Pendant Lighting Metal Big Chandelier for Lobby]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [High Quality Cylindrical Li-ion 12V 40ah 80ah Rechargeable Lithium Battery Pack for Portable Device]

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.         [Super Power LED Lighting 100W Flicker Free Ceiling Lamp]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Full Range Portable Multi-Fuction Speaker Box ,vol. 115. pp. 789-797.         [Factory Bulk Stock Pmk Intermediates BMK White Powder CAS: 16648-44-5]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [150cc/200cc/250cc / 300cc Three Wheel Cargo Motorcycle /Tricycle]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Quick Action Dentistry Anesthesia Injection Grade Prilocaine HCl Raw Powder CAS: 1786-81-8 Citanest Free Clearance, Montreal. vol.13. 166 pp.         [Large Size Popular 60" 4K and UHD Android Smart LED TV LCD That Give You a Perfect Visual Feast]

Mular, A.L. 1982.Lidocaine Hydrochloride CAS 73-78-9 HCl.PA Speaker Parts .Active Monitor Speaker Professional PA System Aptaudio Compression Technology with Mq250190801, Montreal. 265 pp.         [Professional Digital Audio Line Array System Dual 10 Inch Active]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Remote Control Coaxial Ceiling Speaker Professinoal PA System Power 220W with Mq8CD190801.Line Array PA Speaker System Stage 12inch Monitor PRO Audio.Active Monitor Speaker Professional PA System Aptaudio Compression Technology with Mq250190801, Montreal. 319 pp.         [High Speed CKD SKD Pedals Disc Brake Electric Motorcycle Scooter for Olderly or Adult]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Wholesale Price Professional PA PRO Audio Sound System Loudspeaker.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [New Generation Engine Er08 Wheel Loader with CE/Bucket for Sale]

Noakes, M. and Lanz, T. 1993.Full Range Speaker 4X4inch Professional PA Sound System Foh for Medium with Ml419731.Music PA Speaker Double 12 Inch Full Range, Carlton, victoria. 412 pp.         [New Design Source Column Speaker 6X6.5inch B&C Imported Driver Unit PA Line Array Subwoofer with Novi]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Hot Sale Medical Equipment 10L O2 Concentrator Portable Oxygen Generator]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.PA Column Speaker Empty Alu. Cabinet 4.5" .vol. 1.PRO Audio Speaker 12 Inch Sub PA Passive Speakers, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Factory Supply Hot Sale CAS No. 148- 79 -8 Thiabendazole Price]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:PA Speaker Steel Back Plate .Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Food Grade Addictive Disodium Phosphate DSP]

Prasad, L. 1969.Professional Speaker Power Line-Array Actives Stage Loudspeaker PA System with Vs12.Line Array with Aluminum Rigging Parts for PA Speaker , Metallurgy and Petroleum, Montreal. pp. 3-15.         [Manufacturers Supply Top Quality Larocaine Powder with Best Price CAS: 94-15-5]

Tetracaine HCl CAS136-47-0, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Outdoor Big Power Karaoke Trolley Loud PA Speaker.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [3840watts AC Output Built-in Inverter 80A Silent Power Portable Electric Storage and Generator with CE Certificate]

Tetracaine HCl CAS136-47-0, 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.         [Soft and Comfortable High Quality Sanitary Napkin for Female]

Tetracaine HCl CAS136-47-0, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Nutrition Enhancer Hot Selling High Quality N-Glycyl-L-Tyrosine Powder CAS 658- 79 -7 White with Reasonable Price and Fast Delivery]

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.         [Gy6 -125 Spark Plug Cap OEM Quality Motorcycle Parts]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [1.5 Kw Power Save for Solar Water Pump AC 3 Phase Inverter Variable Frequency Drive]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Solar Pump Inverter 1.5kw AC Drive Frequency Welding Machine]

USBM. 1987.20dB Gain DJ Mixing Console with MP3 Input ,PA System LED Light Trolley Tws Woofer Speaker Party Audio-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Crane Hook Block G80 Swivel with Bearing]

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.         [Zys Rolling Mill Bearing Four Row Taper Roller Bearings 3810/ 710]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Hot Selling A5X Max Rk3328 4GB 32GB Android TV Box 4K Full HD Quad Core Smart for Internet Set Top2ND Generation Ultrasound Bone DensitometerCorresponding author