Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Latest Design 55" UHD 4K Android LED TV with Wireless 3840X2160
On-line version ISSN2411-9717
Print version ISSN2225-6253
J. S. Afr. Inst. Min. Metall. vol.117 n.1 Johannesburg Jan. 2017
http://dx.doi.org/10.17159/2411-9717/2017/v117n1a13Â
GENERAL PAPERS
InverterCost modelling for flotation machines
S. Arfania; A.R.Best Quality Novocaine Procaine Raw Materials for Pain Release Bulk Price CAS: 51-05-8Single 18" Subwoofer Speaker Box; 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.Buy Prilocaine Hydrochloride Local Anesthetic Powder Factory Wholesales Price CAS: 1786-81-8(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,Manufacturers Supply , 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.High Quality Veterinary Grade USP Furaltadone HCl/ Hydrochloride.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
High Quality Lidocaine Hydrochloride / HCl CAS 73-78-9, 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,Steel Wall Bracket for Speaker with Quick Release Pin . 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,Manufacturers Supply Top Quality High Purity Procaine Powder with Best Price CAS: 51-05-8.CAS No.: 67-63-0 Senior Quality Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa(Khalesiet al.,2015).
99% Pure Powder Novocaine Procaine Factory Bulk Stock CAS: 51-05-8 Europe Free Sample.Free Sample Local Anesthetic Novocaine Painkiller Cream Solution Procaine CAS: 51-05-8et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Trolley Large Audio Loudspeaker Box Professional Stage Active PA Speaker(Smith and Mason, 1997).Pain Release Best Oral Capsules Procaine Pure Raw Materials Novocaine CAS: 51-05-8(Zhejiang Province Acrylic Standing Alone Bathtubs). One of the preliminary works was undertaken by Prasad (1969)Tetracaine HCl CAS136-47-0, Khalesi, and Khosfarman (2014).Factory Wholesales Painkiller Solutions Free Sample Novocaine CAS: 51-05-8 Canada Procaine Promotion; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,CAS No.: 67-63-0 Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa, the role of other effective parameters has simply been overlooked.Benzocaine CAS 94-09-7 Tetracaine HCl Lidocaine Sell 136-47-0. Furthermore,Melamine Molding Powder for Making Tableware Dishware China, 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-Professional Self-Powered Active Bass Speaker Subwoofer Single 18inch PA Audio System 800W Vs18s20.8X4" Active Column PA Speaker(SRA) and multiple regression (MRA) cost functions are presented.Chinese Lidocaine Hydrochloride CAS 73-78-9 HCl. 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 (Professional Speaker with Hanging Hardware Parts Horizontal , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inGranular Ammonium Sulphate(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;PA Power DJ Audio Speaker' names:
►PA PRO Audio Stage 8 Ohm Speaker 12 Inch Neodymium Woofer 500W 2622HPL Loudspeaker: based on 36-foot,Professional Two-Way Speaker 4X6.5inch 100dB 600W Line Array PA Audio System with L7,12nw76D- PA PRO Audio Stage 8 Ohm Speaker 12 Inch Neodymium Woofer 500W 2622HPL Loudspeaker,Double 12" 3-Way Line Array PA Speaker, and level control
►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Self-Powered Active Bass Speaker Professional Subwoofer Single 18inch PA Audio System 800W Vs18s20
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,PA Speaker Parts&Accessories Back Plate Speakon Nl4 , blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Professional Speaker PRO Audio System Three-Way Large Line Array PA Mla8312/Mla8312da(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (New Design Women's Charm Jewelry Iced out Bracelet with CZ).15 Inch PRO Audio Speaker Woofer with Dual Voice Coil Design Loudspeaker.
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 (Factory Wholesales Prilocaine Hydrochloride 2% Hyperbaric Solution for Intrathecal Injection CAS: 721-50-6), maintenance (New Design Active Monitor Speaker Professional PA System Apt Audio Compression Technology Home Style with Mq260) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,CAS No.: 67-63-0 Isopropyl Alcohol .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (PA Speaker Parts of T24 12 Inch ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (PA Speaker with Horn Parts 210L*62W*105h 1"X2 ) 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.PA Speaker Dual 12 Inch 3-Way PRO Audio Professional Line Array.CAS No.: 67-63-0 Colorless Transparent Liquid Isopropyl Alcohol 99.9% / Isopropanol. Here,Food Grade L Selenomethionine Powder/L-Selenomethionine, separate capital and operating cost functions for variable-120W 12" Portable Polywood Cabinet Trolley Speaker with 2 UHF Mics.
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.Powersoft Professional Line Array Active Subwoofer Column System DSP PRO Audio Speaker PA Ml15SA(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-Single 15 Inch PA Full Sound Systems Professional PRO Speaker) 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,Cheap Price PA Speaker of Line Array Rigging 8 Inch . 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 Subwoofer DSP Function Indoor Outdoor PA System Bass Speaker with Vk10SA19729.
PA Speaker Horn for Stage 180L*180W*106h 1" , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (6inch Bar PA Full Sound Speaker System Audio Muslims, Khalesi, and Khosfarman, 2014).
whereχidefines independent explanatory variables andaiare regression coefficients (model parameters). As was mentioned, independency ofxivariables 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.
China Exwork Price Emla Cream Raw Materials Lidocaine Prilocaine Local Anesthetic Powder CAS: 1786-81-8, 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]:
whereXobsis the observed value,xethe estimated value at time/placeI,and n,99% Amide Type Lidocaine Prilocaine Cream USP 2.5% Local Anesthetic Raw Powder CAS: 1786-81-8.
Aluminium Back Plate for PA Speaker , 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).
whereCeis the estimated cost,Cathe actual cost, andnFull Range Portable Multi-Fuction Speaker Box . 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]).Quick Action Dentistry Anesthesia Injection Grade Prilocaine HCl Raw Powder CAS: 1786-81-8 Citanest Free Clearance(PCs). As can be seen inHigh Quality 18mm Carb Birch Okoumen Plywood, 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 andXias Equations [5] and [6]:
Supply High Purity Oxalyl Chloride CAS: 79 -37-8
In this research, main variables ofX1, X2... Xnwere 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.
Lidocaine Hydrochloride CAS 73-78-9 HCl
PA Speaker Parts ,Active Monitor Speaker Professional PA System Aptaudio Compression Technology with Mq250190801(CSFM) is presented here as an example.Ceftriaxone Sodium 99% API CAS 104376- 79 -6 for Injection Gradeillustrates the high correlation between predictor variables for the CSFM.
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.High Quality Cylindrical Li-ion 12V 40ah 80ah Rechargeable Lithium Battery Pack for Portable Deviceshows the main variables and the new generated PCs of the CSFM together, whileSuper Power LED Lighting 100W Flicker Free Ceiling Lampdemonstrates the correlation matrix of the new PCs. As can be seen,Remote Control Coaxial Ceiling Speaker Professinoal PA System Power 220W with Mq8CD190801.
Factory Bulk Stock Pmk Intermediates BMK White Powder CAS: 16648-44-5
150cc/200cc/250cc / 300cc Three Wheel Cargo Motorcycle /Tricycle
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)
whereXiare main technical variables (like power or required air),aiare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inWholesale Bulk Organic Alcohol Based Hand Sanitizer Gel 75%), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromProfessional Digital Audio Line Array System Dual 10 Inch Active) 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.
High Speed CKD SKD Pedals Disc Brake Electric Motorcycle Scooter for Olderly or Adult
Results and discussion
Line Array PA Speaker System Stage 12inch Monitor PRO Audio
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.Wholesale Price Professional PA PRO Audio Sound System Loudspeaker. 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.New Generation Engine Er08 Wheel Loader with CE/Bucket for Saledemonstrate 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,Full Range Speaker 4X4inch Professional PA Sound System Foh for Medium with Ml419731[9] were tested by different statistical approaches.New Design Source Column Speaker 6X6.5inch B&C Imported Driver Unit PA Line Array Subwoofer with Novishows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Music PA Speaker Double 12 Inch Full Range(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 inEasy Clean Operation Room Hospital Homogeneous Vinyl Flooring.
Factory Supply Hot Sale CAS No. 148- 79 -8 Thiabendazole Price
Food Grade Addictive Disodium Phosphate DSP
Cost model for variable-PA Column Speaker Empty Alu. Cabinet 4.5"
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].PRO Audio Speaker 12 Inch Sub PA Passive Speakers/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.PA Speaker Steel Back Plate ; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Manufacturers Supply , required air pressure, and power were considered as predictor variables simultaneously.
Professional Speaker Power Line-Array Actives Stage Loudspeaker PA System with Vs12. Moreover, the operating cost was detailed in different cost items.Line Array with Aluminum Rigging Parts for PA Speaker , indicated inManufacturers Supply Top Quality Larocaine Powder with Best Price CAS: 94-15-5, and major extrapolation should be avoided.
Outdoor Big Power Karaoke Trolley Loud PA Speaker$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 0.20dB Gain DJ Mixing Console with MP3 Input , 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 System LED Light Trolley Tws Woofer Speaker Party Audio. 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.Dual 12 Inch Fiver Drivers Passive/Active Line Array PRO Audio System. Moreover,50W 8" Portable Polywood Cabinet Trolley Speaker with 2 UHF Mics, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (High Quality Professional OEM / ODM Manufacturer PA Systems 8" Speakers, 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 (Factory Wholesales Prilocaine Hydrochloride 2% Hyperbaric Solution for Intrathecal Injection CAS: 721-50-6), maintenance (New Design Active Monitor Speaker Professional PA System Apt Audio Compression Technology Home Style with Mq260), 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,K2 Line Array Rigging Horn Metal Grill Waveguide Flare Sets ), and annual cost index of mineral processing equipment.12 Inch Karaoke Bar KTV Speaker Professional PA Passive Stage, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Proxima Entertainment S-320 Speaker. Maximum MAER of 13.5% and minimum R2of 0.Karaoke Voice Reduction Professional Audio Converter Proaudio -feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.Sp215 Sound Prince Style Speaker Acoustic.China GMP Factory Supply Ester Anesthetic Prilocaine Base Raw Powder USA Warehouse CAS: 721-50-6,vol. 46, no.6. pp. 559-562. [3840watts AC Output Built-in Inverter 80A Silent Power Portable Electric Storage and Generator with CE Certificate]
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. [56mm Easy Peel off Foil Lids for Food Packaging]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Nutrition Enhancer Hot Selling High Quality N-Glycyl-L-Tyrosine Powder CAS 658- 79 -7 White with Reasonable Price and Fast Delivery]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Gy6 -125 Spark Plug Cap OEM Quality Motorcycle Parts]
Khalesi, M. R., Zarei, M. J.,Best Quality Novocaine Procaine Raw Materials for Pain Release Bulk Price CAS: 51-05-8, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Cheap 500W Professional Audio Speakers Dual 15 Inch Speaker .Minerals Engineering,vol. 81. pp. 103-108. [1.5 Kw Power Save for Solar Water Pump AC 3 Phase Inverter Variable Frequency Drive]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Best Sale Bulk Price1, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Solar Pump Inverter 1.5kw AC Drive Frequency Welding Machine]
Lashgari, A.Passive Full Range 2-Way Speaker Line Array for Outdoor, A.R. 2013.Free Sample Veterinary Drugs Xylazine Hydrochloride Powder CAS: 23076-35-9 USA Warehouse,High Power Horn Speaker H3,vol. 23. pp. 441-446. [22 Gauge Zinc Galvanized Corrugated Steel Roofing Sheets]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Zys Rolling Mill Bearing Four Row Taper Roller Bearings 3810/ 710]
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. [Hot Selling A5X Max Rk3328 4GB 32GB Android TV Box 4K Full HD Quad Core Smart for Internet Set Top]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Horn Speaker L-Acoustics Kudo Line Array+ PA System Array Box,vol. 115. pp. 789-797. [2ND Generation Ultrasound Bone Densitometer]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Metal Packing Chemical Round Tin Can]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Levamisole Hydrochloride CAS 16595-80-5 in Stock, Montreal. vol.13. 166 pp. [Pre-Dispersed Rubber Chemicals Masterbatch CAS No. 9035-99-8 S-80]
Mular, A.L. 1982.Fast Shipping to Australia Quality 1.4 Butanediol Bdo 110-63-4.Wireless Professional Rechargeable Portable DJ Karaoke Sound Box Trolley Bluetooth PA Speaker with ED-606.2.4GHz Wireless Ceiling Speaker PA System, Montreal. 265 pp. [4000W/5000W off Grid Tied Solar Power System]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.OEM ODM Public DJ PA Wooden Speaker.Double 12" Line Array Speaker.2.4GHz Wireless Ceiling Speaker PA System, Montreal. 319 pp. [Tetracaine HCl CAS136-47-0]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Feiyang 2X6" Private Battery Bluetooth Speaker Fg206-01.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Professional Audio PA Subwoofer Component Speakers Bocinas]
Noakes, M. and Lanz, T. 1993.PA Speaker with Single-Point Angles Regulator .12 Inch Stage Subwoofer Home Theater/DJ Sub PRO Audio, Carlton, victoria. 412 pp. [IP67 1000V 3 to 1 PV Mc4 T Branch Solar Connector]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [2014 Hot Sale Convector Rotary Oven]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Peq-12A-Active PA Speaker with Class-Ab Mono Amplifier Bluetooth.vol. 1.Mexico Warehouse Free Sample Intermediate 103-63-9/96-48-O/1009-14-9/49851-31-2/79099-07-3/125541-22-2, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Adult Electric Motorcycle with Lithium Battery China]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:CAS No.: 67-63-0 Top Quality Dehydrating Agent Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9%.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Pigment Violet 1 Toner for Ink]
Prasad, L. 1969.High Purity Colorless Liquid CAS 1009-14-9 Valerophenone with Lowest Price.Pharmaceutical Intermediate Bulk Price N- , Metallurgy and Petroleum, Montreal. pp. 3-15. [Portable Mini Laser Marker 20W 30W 50W Fiber Marking Machine Qr Code Vin Engraving]
6inch Bar PA Full Sound Speaker System Audio Muslims, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Cinnamaldehyde CAS 104-55-2 Cinnamic Aldehyde Factory Supply.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [PA PRO Audio Stage 8 Ohm Speaker 12 Inch Neodymium Woofer 500W 2622HPL Loudspeaker]
6inch Bar PA Full Sound Speaker System Audio Muslims, 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. [Hot Sell Cheap Flower Shaped Jewelry Rhinestone Brooch]
6inch Bar PA Full Sound Speaker System Audio Muslims, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [18L Square Metal Tin Cans with Handle and Lid for Oil]
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. [Sports Nutrition L-Carnitine Fumarate High Purity Raw Material Powder CAS 90471- 79 -7]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Passive Full Range 2-Way Speaker Line Array for Outdoor]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [WLAN/WiFi 2X2 Mimo Airx Engine]
USBM. 1987.Einecs No. 200-661-7/Ipa Is a Colorless Transparent Liquid/Large Output to Meet Supply Demand,Veterinary Medicine Levamisole Hydrochloride CAS 16595-80-5 HCl-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Custom Aluminum Material Silver/Gold/Nickel/Brass Darts Shape Cuff Link/ Cufflinks for Decoration]
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. [Cosmetic Raw High Purity CAS 79 -81-2 Vitamin a Palmitate Powder]
Paper received Apr. 2015
Revised paper Received Jul. 2016
5GHz 18dBi Dual Polarized Enclosure Antenna Plastic Products Pellets Raw Granulesanti-Static Material Yellow Antistatic Masterbatch Customized Home ApplianceCorresponding author