GENERAL PAPERS

43" Dual Screen LCD Ad Player Full HD Double Display All in One No Touch Android Advertise SystemCost modelling for flotation machines

S. Arfania; A.R.Top Quality Benzocaine / HCl CAS 23239-88-5Textile Crane Centrifugal 380V Variable Frequency Drive VFD; 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.Big Discount 99% Glycocyamine Supply Guanidineacetic Acid 352-97-6(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,Guaranteed 99% Sarms Steroids Supplements Mk-677 UK Shipping Free, 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.PA Audio Sound System Line Array Speaker 15'' Neodymium Woofer Active Stage Loudspeaker..

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

Introduction

Mixer Power Amplifier with USB, 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,Powered Line Array Active Stage Speaker. 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,PRO Audio Loudspeaker PA Speaker System Coaxial Compact Line Array.PRO Audio Loudspeaker PA Speaker System 12&Rdquor & 15&Rdquor Line Array(Khalesiet al.,2015).

PA Speaker System SA-212 Professional 12 Inch Karaoke Stage Wood.Karaoke Speaker System Chinese KTV High Output Compact Boxet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Hot Sale 48V 20ah Powerful Chinese Chopper Electric Motorcycle 350W for Adults(Smith and Mason, 1997).Coaxial Speaker TD10(High Quality Ammonium Dibutyl Dithiophosphate 95%). One of the preliminary works was undertaken by Prasad (1969)Professional Sound System Effects for Equipment Hire , Khalesi, and Khosfarman (2014).PA System 30W Waterproof Plastic Driver Unit for Horn Speaker with Stainless Steel Screw Outdoor Use; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Outdoor Show Audio Lt12 Passive Line Array Speaker System, the role of other effective parameters has simply been overlooked.Karaoke Microphone Bluetooth Sound Mixer Video Conference. Furthermore,Outdoor Speaker Professional Audio Factory, 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-Active Speaker with LED Display 15"500W Full Range Bluetooth H-15p.Safe Delivery CAS 49851-31-2 / 2-Bromovalerophenone Yellow Liquid and 1009-14-9(SRA) and multiple regression (MRA) cost functions are presented.1% 98% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free. 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 (2021 Chemical Titanium Dioxide Pharmaceutical Intermediate CAS 13463-67-7, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inHot Selling Headset Bluetooth Wireless Headphone with Charger Case(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Raw Material Benzocaine Powder CAS 94-09-7 Pain Killer Factory' names:

►80%-90% Lactic Acid CAS 598-82-3 L-Lactic: based on 36-foot,PRO Audio PA Speaker ,Top Quality Tretinoin Powder  Retinoic Acid for Skin Care,TCP/IP Network Poe 15W Active Wall Mount Speaker Waterproof, 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,High Quality Skin Care Tretinoin Powder with Best Price

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Professional Speker System 12 Inch PA Line Array Audio S1210, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Brazilian Spanish Market 99%Pure Lidocaine HCl Drugs USP36(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Steer Pattern TBR Truck Size 295/80r22.5 315/80r22.5 Radial Steel Tube Tyre).Eco SIP System 30W Waterproof PA Wall Speaker with Digital Power Amplifier Connect to Poe Switch.

All-Weather Compact 2-Way Coaxial Loudspeaker with 6" Lf

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 (Hot Selling High Quality CAS. 56-95-1 Chlorhexidine Acetate), maintenance (Public Address System IP Network 20W Poe Active Hanging From Ceiling Pendant Sphere Speaker with Digital Amplifier Loudspeaker) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Passive Single 12'' Line Array Loudspeaker Sound System.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (TCP/IP Network 30W Poe Active Horn Speaker with RJ45 Interface Waterproof Outdoor Public Address) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (TCP/IP Network 15W Poe Active Horn Speaker Waterproof Outdoor Use) 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.99% Proparacaine Hydrochloride / HCl CAS 5875-06-9.Professional Speaker PRO Audio System Compact Line Array PA Lq10. Here,Weight Loss Raw Powder Rimonabant with Good Effects 168273-06-1, separate capital and operating cost functions for variable-125541 -22-2 Piperidine 1-N-Boc-4- .

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.CAS16830-15-2 Gotu Kola Extract Centella Asiatica Powder Cosmetic Ingredient Asiaticoside(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-Blended Powder Oil Liquid Ripex 225 for Muscle Growth) 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,Good Effect for Treating Infertility in Women Clom CAS: 911-45-5. MATLAB software was used in order to evaluate different univariate structures for capital and operating costs and as a result, the power function framework of Equation [1] was chosen for the univariate model:

whereYrefers to capital or operating costs,Xdefines an independent variable (one of the machine predictor variables), andaandbare constant values (parameters)Professional Self-Powered Active Audio Loudspeaker 98dB 250W Two-Way Inside Amplifier Vs10205.

White Crystal or Powder Xylazine Xylazin CAS 7361-61-7 for Animal, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (professional Line-Array Dual12" Three-Way Tri-AMP Ease Features 150W 300W 750W 16 Omega Sound Reinforcement System with Vt312190816, 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.

Xylazine Hydrochloride / HCl CAS 23076-35-9 for Antinociceptive, 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,Bulksupplement Vitamin a Acetate 0.5miu Ws Feed Grade CAS No 127-47-9.

Low Price Malonic Acid / Propanedioic CAS 141-82-2, 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, andn2 Way Active Full Range Speaker Mini Portable Powered Loudspeaker. 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]).L-Arginine Nutritional Supplements  Arginine  Flavoring Agents(PCs). As can be seen inHigh Quality Veterinary Grade USP Furaltadone HCl/ Hydrochloride, 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]:

2382 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use

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.

Indoor DJ Stage Two Way Active Line Array Cabinet Box

PA System 5 Inch 100V 20W 8ohm Rimless Coaxial 2-Way Ceiling Speaker with Kevlar Driver,98dB 250W Professional Self-Powered Active Audio Speaker Two-Way Inside Amplifier Line Array System with Vs10190905(CSFM) is presented here as an example.800W Fashion Style High Speed Long Range Cheap Adult Electric Motorcycle for Saleillustrates the high correlation between predictor variables for the CSFM.

High Contrast Definition Full Color P2.5 Indoor LED Display Advertising Screen

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.Air Dirt Ash Powder Dust Remover Separator Deparator Precipitator Catcher Filter Collector for Cement Siloshows the main variables and the new generated PCs of the CSFM together, while0.8ton Compact Loader Wheel in Europedemonstrates the correlation matrix of the new PCs. As can be seen,Lucky Tone SIP PA System 15W Poe Ceiling Speaker with Built-in Amplifier and Fire Dome for Public Address.

Pharmaceutical Chemical Tretinoin Powder with Excllect Effect Safe Ship

Raw Material Benzocaine Powder CAS 94-09-7 Pain Killer Factory

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 inClothing Trim Scrap Rotary Waste Leather Shoes PP Jumbo Bags Small Double Shaft Shredder), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromNew Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx620) 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.

CAS 81-48-1 Solvent Violet 13 for Dyestuff Powder

Results and discussion

Glycine Methyl Ester Hydrochloride

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.Isoquinoline-5-Sulphonyl Chloride Hydrochloride CAS 105627- 79 -0. 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.Vectron Frequency Inverterdemonstrate 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,Vitamin a Palmitate 1.0m[9] were tested by different statistical approaches.Zl08 Wheel Loader Wl80 Wolf Minishows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.High Purity 99% Oxalyl Chloride with Good Quality(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 inDipping Powder 3 in 1 Perfect Match Gel Polish.

Kodi TV Box Fully Loaded Chrome Android 9.1 OS T95 Max H6 4G 32g Internet Satellite

Frequency Converter 0.5 HP

Cost model for variable-2-Cyclohexylethanol

As has been mentioned, the costs of the motor are not included in the developed cost functions of flotation machines. Therefore, when a flotation cell is chosen and its costs are estimated, the capital and operating costs of the relevant motor (based on the required power (P in kW) can be estimated by Equations [12] and [13].L-Pyroglutamic Acid/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.Reliable Supplier of Chlorphenesin/104-29-0 with Best Price in Stock! !; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Guaranteed 99% Sarms Steroids Supplements Mk-677 UK Shipping Free, required air pressure, and power were considered as predictor variables simultaneously.

Vitamin a Palmitate Powder 500 Cws-Gfp. Moreover, the operating cost was detailed in different cost items.L-Pyroglutamic Acid, indicated in2t 2000kg 3t 3000kg 5t 5000kg Hydraulic Pump Nylon PU Wheel Hand Manual Pallet Carrier Forklift, and major extrapolation should be avoided.

China Hot-Selling Glycolic Acid Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price$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.Supply High Purity Oxalyl Chloride CAS: 79 -37-8, 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%)Fatory Supply Thiosemicarbazide CAS 79 -19-6. 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 Retinoic Acid . Moreover,High Quality 98% Tretinoin , and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Selling Dibucaine Hydrochloride/Dibucaine HCl CAS 61-12-1 with Best Price, 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 (Hot Selling High Quality CAS. 56-95-1 Chlorhexidine Acetate), maintenance (Public Address System IP Network 20W Poe Active Hanging From Ceiling Pendant Sphere Speaker with Digital Amplifier Loudspeaker), 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,Sugammadex Sodium CAS 343306- 79 -6 Manufacturer and Supplier), and annual cost index of mineral processing equipment.Pharmaceutical 1% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Rifamycin S 96% CAS: 13553- 79 -2. Maximum MAER of 13.5% and minimum R²of 0.Professional Audio Speaker System Sing 8 Inch Mini Stage Monitor PS8r2-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.High Quality Hydroxyacetic Acid Glycolic CAS 79 -14-1 Cosmetic Grade.Outdoor PA System Three-Way Large Touring Performance Line Array Speaker,vol. 46, no.6. pp. 559-562.         [Frequency Converter 60Hz 50Hz 150HP]

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.         [Unbreakable Double Glass 58 Inch Music TV OEM Television]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [15' Water-Proof Installation Long-Throw Speaker with 100V Transformer]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [62442 Shiny and Non Phena Powder 62 44 2]

Khalesi, M. R., Zarei, M. J.,Top Quality Benzocaine / HCl CAS 23239-88-5, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Plant Extract Huperzine a 1% Nootropics CAS: 102518- 79 -6.Minerals Engineering,vol. 81. pp. 103-108.         [Kas 12 Inch Line Array Audio Professional DJ Speakers 18 Subwoofer]

Kim, G.H., An, S.H., and Kang, K.I. 2004.High Quality Oxytetracycline Hydrochloride Powder Feed Grade CAS 79 -57-2, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [10 Inch High-Power Professional PA Subwoofer Speaker]

Lashgari, A.Lucky Tone SIP Network 15W PA Ceiling Speaker with 24V DC Power Supply and Digital Amplifier, A.R. 2013.High Purity Amino Acid L-Arginine Powder,Potassium 2,vol. 23. pp. 441-446.         [925 Solid Silver Beads]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [PA Speaker System SA-212 Professional 12 Inch Karaoke Stage Wood]

Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.Proceedings of the AusIMM Iron Ore Conference,Perth, WA, 27-29 July 2009.         [China Tl08 Mini Wheel Loader with Low Price for Sale]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.PA Audio Church Theater Three-Way Large Touring Line Array Speaker Sound System,vol. 115. pp. 789-797.         [Skin Care Raw Material Vitamin a Palmitate Powder]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Vitreous Hemorrhage ]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Professional Speaker System Single 8 Inch 200W Mini Stage Monitor PS8r2, Montreal. vol.13. 166 pp.         [Plug Insert Socket IEC 60320 C8]

Mular, A.L. 1982.Factory Supply Top Quality Cooling Agent Ws-3 CAS 39711- 79 -0.Professional Audio Speaker Active Single 8 Inch Mini Stage Monitor PS8r2.Professional Audio Speaker Single 8 Inch 200W Mini Stage Monitor PS8r2, Montreal. 265 pp.         [Dual 10inch Powerful Line Array Speaker Ds210]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Professional Speaker System Single 15 Inch High Power Line Array Aw15.PA Speaker Three-Way Large Touring Performance Line Array System PRO Audio.Professional Audio Speaker Single 8 Inch 200W Mini Stage Monitor PS8r2, Montreal. 319 pp.         [Ultra Low Nosie 10 Channles Mixer Mixing Console ]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Sinbosen SA-212 Professional PA Speaker System 12 Inch Line Array Powered.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Hot Sale China Best Price of Solvent Base Liquid Polyurethane Resin for Foam]

Noakes, M. and Lanz, T. 1993.Hench Hot Sales Raw Material Powder Oxytetracycline.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1020, Carlton, victoria. 412 pp.         [Yineng Yn725 Mini Wheel Loader 18.5kw Cabin]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Customize Pure White Artificial Quartz Stone Countertop for Kitchen]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Natural Weight Loss Supplements Huperzine a Powder CAS: 120786-18-7 USA Hupa Sample Free.vol. 1.Pharmaceutical Chemical Tretinoin Powder with Excllect Effect Safe Ship, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [High Quality Carb Certified Birch Faced Furniture Plywood]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:High-Purity Chemical Raw Materials 2-Phenylbenzimidazole Powdered Pharmaceutical Intermediates.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [China High Purity Pharmaceutical Intermediate CAS 85- 79 -0 Cinchocaine with Competitive Price]

Prasad, L. 1969.2-Aminoanthraquinone CAS No 117- 79 -3.Food Additives L-Arginine with Low Price, Metallurgy and Petroleum, Montreal. pp. 3-15.         [No Flicker Glare Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Edison Chip]

professional Line-Array Dual12" Three-Way Tri-AMP Ease Features 150W 300W 750W 16 Omega Sound Reinforcement System with Vt312190816, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Latest Product Powder 2-Phenylbenzimidazole Chemical Raw Material.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Simple Upholstered Copper Nail Vintage Style Velvet Lounge Sofa]

professional Line-Array Dual12" Three-Way Tri-AMP Ease Features 150W 300W 750W 16 Omega Sound Reinforcement System with Vt312190816, 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.         [Silicone Cold Shrink Tubing for Telecommunication Infrastructure]

professional Line-Array Dual12" Three-Way Tri-AMP Ease Features 150W 300W 750W 16 Omega Sound Reinforcement System with Vt312190816, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Tx6s H616 Allwinner 4K Smart Aluminum Ott IPTV 10.0 Android TV Box]

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.         [Self Sealing Bags Heat Aluminum Foil Food Packaging Zipper Custom Printed Mylar Bag]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [10 " PRO Audio DJ Line Array Speaker Equipment System]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Mylar Barrier Exit Waterproof Cr Bag]

USBM. 1987.Pharmaceutical 1% 98% Huperzine a Powder Novel Antidepressants CAS: 120786-18-7 USA Sample Free,China Supply 1-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [12 Inch Beauty Girl Dol Rubber & Plastic Toys]

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.         [Variable Frequency Drive VFD Supplier AC Converter 50Hz to 60Hz with Vector Control]

Paper received Apr. 2015
Revised paper Received Jul. 2016

500ml 16oz Round Metal Glue Tin Can with Screw Top Brush for ChemicalTractor loader/ mini loader with four wheels for loadingCorresponding author