GENERAL PAPERS

10 Inch Powered PA Speaker Full Range Stereo SystemCost modelling for flotation machines

S. Arfania; A.R.PC/Polycarbonate/GPPS/PMMA Sheet Extruder Machine/Plastic25kw High Frequency Induction Heater for Bolts&Rivet; 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.Uns S31254 En 1.4547 F44 Price Per Kg Super Austenitic Stainless Steel Round Bar Rod(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,Super Duplex Stainless Steel Bar by Zeron100 , 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.S32750 Uns Super Duplex Stainless Steel Bar.

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

Introduction

Against Wall Australian Freestanding Acrylic Bathtubs, 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,2507 Uns S32750 Duplex Stainless Steel Sheet / Plate. 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,Endless Pool.New Design Indoor Corner Massage Jetted Whirlpool Bath Tub Acrylic Bathtubs for 2 Adults with Pillow and TV(Khalesiet al.,2015).

Outdoor Jet Surf Massage Bubble SPA Swimming Pool Hot Tub Combo.Plastic Products Colorful Pellets Resin Raw Material Light Green Color Antistatic Masterbatch Customizedet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 100% Passing Customs Local Anesthetic Drugs Procaine for Pain Release(Smith and Mason, 1997).Endless Swimming Pool(Single 10'' Two Way Line Array PRO Audio). One of the preliminary works was undertaken by Prasad (1969)Channing Small Stand Alone Bath White Best Hot Tub Acrylic Freestanding Baby Tubs , Khalesi, and Khosfarman (2014).Whole Sale Home Antique Style Large Acrylic Freestanding Bathtub; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Milling Machine Tool F1 Type Boring Head with Shank Adapter for, the role of other effective parameters has simply been overlooked.Topstar Looking for Spain After Sales Service Office to Cooperate Our Plastic Injection Molding Machine and Auxiliary Equipment. Furthermore,Factory Price Fully Automatic Dustbin Injection Molding Machine, 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-Jwell TPU Matt Cast Film Machine.FDA Certification Recycled PE Carbon Black Color Masterbatch Supplier(SRA) and multiple regression (MRA) cost functions are presented.Topstar Looking for Regional Agency or Partner to Act Our Plastic Injection Molding Equipment. 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 (Plastic Raw Materials Black Color Masterbatches China Supplier, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inNew Electric Beatiful on Road 800W Scooter E-Motorcycle(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;35% Blowing Film Grade Carbon Black Masterbatch Manufacture' names:

►Uns S31703/AISI 317L Stainless Steel Sheet/Plate/Coil/Pipe/Flange/Fittings/Bolt & Nuts: based on 36-foot,2021 New Design Plastic Injection Molding Machine Made in China,Carbon Black Masterbatch for Injection Moulding,PLA Masterbatch Manufacturers for 3D Printing Filament, 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,PLA Color Masterbatch for 3D Printing

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,30% to 50% Carbon Content PP Application Making Plastics Product Film, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),V5.0 Fashion Mini Twins Wireless Bluetooth Earphone with Microphone(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Flower Pattern Decorative Microfiber PU Leather for Furniture Sofa Chair Seat Cover Upholstery).Portable in-Ear Invisible Headphones with Charging Case.

Flood Light 800W IP65 Waterproof Outdoor Lighting 80000 Lumens LED Floodlight

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 (Jwell Raincoat TPU Film Extrusion Machine), maintenance (Factory Price Portable Mini Tws Bluetooth Earphone Headphone for Huawei) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Hot Selling Headset Bluetooth Wireless Headphone with Charger Case.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Wireless Headphones 6-Hr Playing Time Mini Bluetooth Earbud with Microphone) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Super Design Mini Earpieces Headset Wireless Earphones for Huawei) 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.PVC Marble Coated Decorative Sheet Production Line Extruder.Mini Private Design Tws True Wireless Stereo Headphone for Huawei. Here,Bluetooth 5.0 Earphones Wireless Headphones Support HiFi 5 Hours Playtime, separate capital and operating cost functions for variable-Tws 5.0 Wireless Headphone with ND1526p Dual Call 600mAh Charging Box.

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.Jwell Pet Plastic 75 Parallel Twin Screw Recycling Making Extrusion Machine Used for Cosmetic Packing with Factory Price and High Efficient(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-Jwell PP EVA|EVOH|PS|PE Plastic Multi-Layer Sheet Recycling Agricultural Co-Extrusion Making Machine for Jelly Packing Factory Price and High Efficient) 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,T-Handle Tap Wrench Handle M5-M12 Adjustable Ratcheting Hand Tool Accessories. 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)PVC Plastic Marble Board/Plate/Wall Extruder.

Food Additive Granular Dihydrate Disodium Phosphate, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Factory Supply Disodium Phosphate Food Grade, 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.

E320L/B/C/D Boom Cyl Seal Kit Excavator Oil Kits, 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,Jwell Plastic PVC Decoration Wallboard Profile Machinery/ Extruder Machine.

Disodium Phosphate Food Grade Manufacturer, 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, andn99% Tech Grade Disodium Phosphaten Used as Water-Softening Agent. 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]).Sodium Phosphate Monobasic Msp Industrial Grade CAS 7758-80-7(PCs). As can be seen inSolis 10kw Grid Tied Inverter Solis-10K-4G-LV Three Phases, 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]:

Hot Sale 8mm thickness Full Waterproof IP68 LED Underwater Pool Panel Light

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.

Ammonium Polyphosphate APP-II CAS No. 68333- 79 -9

High Quality Disodium Phosphate Sell by Factory,Factory Supply Disodium Phosphate Anhydrous Food Additive(CSFM) is presented here as an example.Samsung 55inch 3X3 Digital Signage Display Screen 3.5mm Narrow Bezelillustrates the high correlation between predictor variables for the CSFM.

2*1.5mm2 2 Core PVC Low Voltage Copper Conductor Power Cable

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.New Design Converter 220V 380V DC AC Inverter Motor Pump VFD Power High Qualityshows the main variables and the new generated PCs of the CSFM together, while4.8kwh Multi-Function Solar Energy Lithium Battery Ion for Home Portable Power Generatorsdemonstrates the correlation matrix of the new PCs. As can be seen,Head Gasket .

2385 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use

Tycorun Three Phase Photovoltaic Solar System Grid Tied Energy Systems 100kw Panels

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 inElectric Utility Truck), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromWolf Loader Wl80 Radlader Without Cabin) 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.

WLAN WiFi Yagi Antenna

Results and discussion

Disodium Hydrogen Phosphate

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.High Quality . 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.Plastic Mylar Customize Container Food Grade Zip Stand-up Pouch Packaging Bag with Clear Windowdemonstrate 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,K20 K30 Tungsten Carbide Thread Rod with Double Helix Hole or Straight[9] were tested by different statistical approaches.Plastic Pipe Production Extrusion Lineshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Customized Carbide Spare Parts Assembly Orifice Main Valve Pulser(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 inColorful Ceramic Popular Mug Coffee Mugs Milk Cup High Quality Drink.

55 Inch Stand Alone Digital Free Standing LCD Advertising Display

Empty Plastic Bottle 500ml / 1L /1000ml HDPE Trigger Pump Spray Bottles

Cost model for variable-Seal Kits Hyundai R210-7 Boom Cyl Arm Bucketcyl Oil

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].Chinese Manufacture Jcb332/Y6195 Universal Cylinder Seal Kit/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.Seal Kits Komatsu PC200-5/6 Boom Cyl Kit; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Super Duplex Stainless Steel Bar by Zeron100 , required air pressure, and power were considered as predictor variables simultaneously.

Industrial Grade SHMP . Moreover, the operating cost was detailed in different cost items.Spiral Reversible Replacement Solid Tungsten Carbide Round or Square Indexable Woodturning Cutters Inserts for Wood Turning, indicated inoff Load 150cc Motorcycle with High Speed, and major extrapolation should be avoided.

E320L/B/C/D Boom Arm Bucket Cyl Seal Kit Excavator Oil Kits$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.Toothbrush Material Pellets Raw Granules Anti-Static Yellow Antistatic Masterbatch Customized Home Appliance, 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%)K10 K20 P30 Tungsten Carbide Plate Strips for Cutting. 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.Komastu PC60-6 Arm Cyl Oil Seal Kit. Moreover,Cat320b/C/D Arm Cyl Seal Kit Excavator Oil Kits, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Pigment Violet 1 Toner for Ink, 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 (Jwell Raincoat TPU Film Extrusion Machine), maintenance (Factory Price Portable Mini Tws Bluetooth Earphone Headphone for Huawei), 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,Solvent Violet 59 ), and annual cost index of mineral processing equipment.Solvent Violet 13 for Plastic Application, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Solvent Violet 11. Maximum MAER of 13.5% and minimum R²of 0.Solvent Violet G 49 for Plastic-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Manufacturer ASTM 316L Uns S32205 Duplex Stainless Steel Tubes.Solvent Violet 10b 9,vol. 46, no.6. pp. 559-562.         [AC Board China Vector Control 60Hz to 50Hz VFD Drive Price]

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.         [Hobby CNC Router with Ncstudio Control System for Sale Qd-1218]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Digital ATSC Receiver Internet TV Set Top Box]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [150cc off Road Utility ATV with Reverse ]

Khalesi, M. R., Zarei, M. J.,PC/Polycarbonate/GPPS/PMMA Sheet Extruder Machine/Plastic, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Duplex Stainless Steel Sheet Super 2507.Minerals Engineering,vol. 81. pp. 103-108.         [Dual 10 " Two Way PA Power Line Array Speaker]

Kim, G.H., An, S.H., and Kang, K.I. 2004.ASTM A789 S32750 Uns Super Duplex Stainless Steel Pipe, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Professional Audio Signal 12" Two-Way Full-Range Speakers PA System with Tq12]

Lashgari, A.Uns S32750 2507 S32760 F55 1.4501 Super Duplex Stainless Steel Bar, A.R. 2013.Skycron® Disperse Violet 26/HFRL Dyestuff Fabric Dye,ASTM A790 Uns S31803 Seamless Stainless Steel Tube,vol. 23. pp. 441-446.         [Popular Color Paver Brick Making Machine]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Diase Professional Speaker Vt-4887 Three Way Dual 8inch Line Array]

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.         [New Model V8 D&Bstyle Dual 10 Inch Three Way Line Array Speaker]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Manufacture High Quality PLA Silk Color Masterbatch,vol. 115. pp. 789-797.         [Column Speaker of Empty Alu. Cabinet ]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [800W Electric Scooter Motorcycle Bicycle with Folding Rack]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Ce Certification Plastic PP Blue Color Masterbatch, Montreal. vol.13. 166 pp.         [KSOC-10 Best-Selling Medical Use 10L Portable Oxygen Concentrator with Alarm]

Mular, A.L. 1982.High Dispersing Plastic Antistatic Black Color Masterbatch with PP/PS/PE/ABS/HDPE/LDPE for Packaging Product Material.Wireless Earbuds Headphones with Bluetooth 5.0 Earphones True Stereo Tws Charging Case for Sports Drive or Work.Bluetooth 5.0 Headset Mini Tws True Wireless Earbuds Stereo Bass in-Ear Earphone, Montreal. 265 pp.         [Round Gloss Tin Can Metal for Edible Olive Oil Canning]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Mini Wireless Stereo Tws 5.0 Music Earphone L18.Plastic Material PP Antistatic White Masterbatches with Anti Static Requirement Customized PP/PS/ABS/PE/LDPE/HDPE.Bluetooth 5.0 Headset Mini Tws True Wireless Earbuds Stereo Bass in-Ear Earphone, Montreal. 319 pp.         [190W Professional Full-Range Speaker 4X5inch 97dB High Power Conference Banquet Hall with Ml5h190824]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Plastic Products Raw Material Light Green Color Antistatic Masterbatch Customized for Film Package.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Motorcycle Muffler Assy/Exaust Pipe for Scooter Parts Gy6 50/125/150]

Noakes, M. and Lanz, T. 1993.Jwell Plastic PVC Foamed Frame Profile Extrusion Machine.Plastic Products Virgin Granules Raw Material Light Blue Antistatic Masterbatch Customized for Electrical Parts, Carlton, victoria. 412 pp.         [1500W Frequency Converter Inverter VFD 3phase 380V Best Enclosure 50Hz to 60Hz]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Matt Neon Sign Drop Shipping Acrylic Kind Mind LED Light Letter Custom]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Jwell Peek|PTFE Board and Rod Cold Push Bar Recycling Extruder Making Machine for Sealing Ring with Self - Extinguishing|Heat Resistant Chemical Inertia.vol. 1.PP/PC Sheet Extrusion Machine, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Supply 99% Purity 3-Amino-4-Pyrazolecarboxamide Hemisulfate ]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Water Treatment Disodium Phosphate .Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Wolf Loader Wl80 Zl08 Radlader Mini Wheel]

Prasad, L. 1969.Food Grade Addictive Disodium Phosphate DSP.Disodium Phosphate Anhydrous CAS No 7558- 79 -4, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Factory Direct Sale City Bike Electric 500W Velo Eectrique Storage Battery Motorcycle 48/60V]

Factory Supply Disodium Phosphate Food Grade, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Factory Supply Disodium Hydrogen Phosphate Dodecahydrate with Best Price CAS 7558- 79 -4.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Inverter Cabinet VFD Frequency AC Drive 55kw]

Factory Supply Disodium Phosphate Food Grade, 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.         [Large Size Insulated Tote Strap Food Delivery Box Pack Holder 24 Cans Leakproof PEVA Fish Collapsible Cooler Bags for Beach Picnic]

Factory Supply Disodium Phosphate Food Grade, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Fractional RF & Thermal 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.         [Raw Material Anti Epilepsy Topiramate Powder with Best Price]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [High-Performance Frequency Converter Three Phase 380V 50/60Hz]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Ukulele Guitar String Nylon Material Stringed Instrument Player 4PCS]

USBM. 1987.K05/K10/ K20 /K30/K40 Tungsten Carbide Flat,Changhong Film Stack Flexo Printing Machine-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Wholesale Fashion Women Crystal Rhinestone Charm Custom Design Logo Jewelry Metal Pendant]

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.         [Bl-Xgz Electric Motorcycle]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Diesel Engine Parts Fuel Injection Nozzle 142s1173Jwell Peek|PTFE Board and Rod Cold Push Bar Recycling Extruder Making Machine for Sealing Ring with Self - Extinguishing|Heat Resistant Chemical InertiaCorresponding author