GENERAL PAPERS

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S. Arfania; A.R.China Suppliers Alone Type Wraped Beam Disc Machenism PadlockVelvet Office Sofa Chair Modern 0302; 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.Dust Proof Steel Shackle Padlocks with Master Key(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,Padlock-G38PDP, 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.Breaker Lock.

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

Introduction

Padlock, 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,Alone Type Wraped Beam Leaves Iron Padlock . 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,Fuso Truck & Bus Turbo Td04 49377-03041 Me201258 for 4m40 Engine Mitsubishi Pajero.Gt1544s 454083-0001 1002829 Garrett Engine Turbo for Vw Passat(Khalesiet al.,2015).

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Methodology

Data

Thirty-seven major flotation machines (Gt1749V , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inYn725 Yineng Mini Wheel Loader 18.5kw Cabin(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;2004-10 for Volkswagen' names:

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►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Gt1544V 740611-5002s 28201-2A400 Turbo for Hyundai Verna, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Aftermarket BV45 53039880337 Turbocharger for 2010-12 Nissan Pathfinder Navara Engine(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Fkr-710 Autorefractometer Keratometer Ophthalmic Autorefractor).Factory Supply Glycyl-L-Tyrosine.

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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 (Dl-Isoleucine Powder CAS 443- 79 -8), maintenance (Glycyl- L-Tyrosine; 658- 79 -7) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,L-Pyroglutamic Acid.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Dl-Isoleucine Powder CAS Number 443- 79 -8) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (98% Uvarigranol B\C\D\E Standard Reference Materials Plant Extracts) 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.Longyu Produce Nano Copper Oxide Nanoparticles 1317-38-0.High Purity 99.0%Min. Ademetionine Disulfate Tosylate . Here,Centella Asiatica Extract 99% Asiaticoside 16830-15-2, separate capital and operating cost functions for variable-Crovell Supply Raw Material CAS 104-29-0 Chlorphenesin for Cosmetic.

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.Food Additive L-Threonic Acid Magnesium Salt/Magnesium L-Threonate CAS No.: 778571-57-6(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-Polyethylene Green Color Masterbatch) 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,Pipe Bevelling Machine . 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)ISO Certificated Company Supply Skin Whitening Retinoic Acid Powder.

Green Plastic Masterbatch Blowing Film Grade, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Green Color HDPE Masterbatch, 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.

Blue Masterbatch for Film, 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,Yellow Color Plastic Masterbatch.

Yellow HDPE Masterbatch, 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, andnUniversal LPG Gas Completed ECU Conversion Kit. 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]).Act Best Seller CNG LPG Gas Car Emulator(PCs). As can be seen in1% 98% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free, 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]:

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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.

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Act MP 48 ECU Switch/Act 2568d Switch,Fuel Gas Cylinder ECU 2568d Map Sensors(CSFM) is presented here as an example.Dimer Acid Liquid for Monthly Output 5000mt Co-Solvent Polyamide Resinillustrates the high correlation between predictor variables for the CSFM.

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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 Products Charging Case Mini Small Headphones Tws Earbuds Wireless 2021shows the main variables and the new generated PCs of the CSFM together, whileLED Outdoor Lighting Compatible to Amercian and European Niches Swimming Pool Lightdemonstrates the correlation matrix of the new PCs. As can be seen,Motorcycle Act 2568d 6cyl 8cyl ECU Conversion Kit.

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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 inISO9001 and Ce Certificated Pew Jaw Crusher), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromGood Quality Eco-Friendly 500- 800W Electric Motorcycle with Fast Delivery) 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.

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Results and discussion

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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.Electric Pipe End Bevelling Machine. 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.Motorbike for 320cc with Police Cruiser Using Dry Weight 180kgdemonstrate 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,T-Electric Pipe Bevelling Machine [9] were tested by different statistical approaches.125541 -22-2 Piperidine 1-N-Boc-4- shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Pneumatic Pipe Beveling Machine High Performence(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 inRaiway & Trucking Shipping Service From China Shanghai.

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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].Factory Directly Sell Good Performance Virgin Transparent PA12 Granules/Pellets /Polyamide 12 Resin for Oil Cup/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.Plastic Green Color Masterbatch; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Padlock-G38PDP, required air pressure, and power were considered as predictor variables simultaneously.

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L Auto Gas LPG Conversion Kit / Car 4 Cyl Sequential Injection System$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 Quality Diesel Engine Parts 4 Cyl Pump Rotor Head 096400-0371, 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%)Diesel Engine Parts Injection System Nozzle Dnopd619. 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.Supply API 99%Min Dalbavancin CAS 171500- 79 -1 Raw Material Powder. Moreover,Diesel Engine Parts Fuel System Nozzle Dlla145pn574, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Master Batch Organic Colors, 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 (Dl-Isoleucine Powder CAS 443- 79 -8), maintenance (Glycyl- L-Tyrosine; 658- 79 -7), 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,Orange Color Masterbatch), and annual cost index of mineral processing equipment.Plastic Purple Color Masterbatch, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Plastic Grey Color Masterbatch. Maximum MAER of 13.5% and minimum R²of 0.Free Sample Color Masterbatch ABS PE Non Toxic for Injection Molding-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Cosmetic Grade Liquid Form 70% CAS 79 -14-1 Glycolic Acid.Health Raw Material Dibasic Sodium Phosphate CAS No.: 7558- 79 -4 with High Quality,vol. 46, no.6. pp. 559-562.         [Can Beer Use Automatic PE Film Heat Shrink Wrapping Group Packaging Machine for Half Paper Box Juice Production Line]

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.         [Vandalproof IR Dome Camera]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [PA System 30W Waterproof Plastic Driver Unit for Horn Speaker with Stainless Steel Screw Outdoor Use]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Jwell High Quality Pet Sheet Extrusion Machine for Protective Mask]

Khalesi, M. R., Zarei, M. J.,China Suppliers Alone Type Wraped Beam Disc Machenism Padlock, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Cosmetic Raw Material 99% Retinoic Acid 302- 79 -4.Minerals Engineering,vol. 81. pp. 103-108.         [Crystal Nitrogen 21% Agricultural Fertilizer]

Kim, G.H., An, S.H., and Kang, K.I. 2004.ISO and SGS Factory Provide L-Arginine Nitrate 749- 79 -33, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [LG LD490DUN-TJB2 LCD wall mount video with 2X2 panel]

Lashgari, A.High Quality Gentisic Acid CAS No.: 490- 79 -9 with Fast Delivery, A.R. 2013.Factory Provide Top Quality L-Carnitine Fumarate 99% 90471- 79 -7,Health Raw Material L-Carnitine Fumarate CAS No.: 90471- 79 -7 with High Quality,vol. 23. pp. 441-446.         [2021 Summer New Baby Toilet Training Pants Cotton Breathable Diapers Bag Waterproof Diaper]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Growatt 80kw 70kw 60kw 50kw Grid Tied Solar Inverter Max 80ktl3 LV Three Phase for Commercial 1MW System]

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.         [Material Handling Equipment Manual Hand Pallet Jack]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Sports Nutrition L-Carnitine Fumarate High Purity Raw Material Powder CAS 90471- 79 -7,vol. 115. pp. 789-797.         [O-Phthalaldehyde CAS 643- 79 -8]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Factory Supply High Quality Ademetionine 1]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Best Price Bulk Powder Retinyl Palmitate 79 -81-2, Montreal. vol.13. 166 pp.         [Electric Winch High Speed Quality 5 Ton]

Mular, A.L. 1982.Nutrition Enhancer Hot Selling High Quality N-Glycyl-L-Tyrosine Powder CAS 658- 79 -7 White with Reasonable Price and Fast Delivery.Health Raw Material L-Carnitine Fumarate CAS.: 90471- 79 -7.Diesel Engine Parts Fuel Injection Nozzle Dlla152sm043, Montreal. 265 pp.         [99% Amide Type Lidocaine Prilocaine Cream USP 2.5% Local Anesthetic Raw Powder CAS: 1786-81-8]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Diesel Engine Parts Fuel Injection Nozzle Dlla156sm139.Diesel Engine Parts Fuel Injection Nozzle 152sn924.Diesel Engine Parts Fuel Injection Nozzle Dlla152sm043, Montreal. 319 pp.         [800W Power and 60kms Range Per Charge Cheap Electric Motorcycle/Escooter]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Auto Engine Diesel Parts Fuel Injector Common Rail Nozzle Dlla162p2266.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [High Quality 1L 32oz Amber Glass Bottle in Stock]

Noakes, M. and Lanz, T. 1993.Diesel Engine Parts Fuel Injection Nozzle Dlla156s820.Tws Bluetooth Earphones with Charging Cases Wireless 5.0 Earbuds Headphones for iPhone, Carlton, victoria. 412 pp.         [Popular hot selling 0.8ton mini wheel loader/ front end loader with bucket on sale]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Yishan 180HP high efficiency bulldozer T180 with Komatsu technology]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Diesel Engine Parts Fuel Injection Nozzle 150sn902.vol. 1.Tws Sport Headset Stereo Headphone Earphone with Charging Box Black, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Benzocaine CAS 94-09-7 Tetracaine HCl Lidocaine Sell 136-47-0]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:3D Stereo Sound Mini Headphone Built in Microphone & Dual Speakers for Phone Calls.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [15kw Solar Inverter Grid Tied]

Prasad, L. 1969.New Products Charging Case Mini Small Headphones Tws Earbuds Wireless 2021.Transparent Nylon 12 Resin Raw Material Polyamide Granules, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Best Chinese Big Wheel Electric Motorcycle Racing Bike Adult Bicycle]

Green Color HDPE Masterbatch, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-PA12 Natural Resin Transparent Granules Pellets Polyamide Price.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Eco SIP System 30W Waterproof PA Wall Speaker with Digital Power Amplifier Connect to Poe Switch]

Green Color HDPE Masterbatch, 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.         [Heavy Duty Wood Veneer Making Machine]

Green Color HDPE Masterbatch, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1020]

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.         [Aj-Bmd500 New Generation Ultrasound Bone Densitometer]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [10 Inch High Quality PA Speaker 10tbx100]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Residential Grid Tied 6kw Solar Power System for Home]

USBM. 1987.PA12 Plastic Granule for Injection Molding Polyamide 12 Resin Nylon,PA12 Injection / Extrusion Molding Polyamide 12 Nylon Granules-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Underground Mucking Rock Loading Machine Crawler Loader]

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.         [ATV Scooter Motorcycle High Quality Parts]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Retionoic Acid API USP Tretinoin Good Quality Competitive Price CAS No 302- 79 -4Hot Selling Tires Motorcycle Tyres 110/90- 17Corresponding author