GENERAL PAPERS

502 Alicosolar High Quality 30kw on Grid Solar System 30000W Power Kit Mono Soalr Panel with CE/TUV/ISO for Home UseCost modelling for flotation machines

S. Arfania; A.R.Hot Vtx Series V25 Dual 15 Inch Three Way Speaker Line Array Speaker/Professional Audio250cc Three Wheel Cargo Motor Tricycle ; 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.GMP Wholesales BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6(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,China Hot Sale Banana Ripening Ethephon 90%Tc with Wholesale Price, 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.Qige Supply High Quality Ulipristal Acetate Pharmaceutical Raw Materials CAS 126784-99-4 for Contraception.

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

Introduction

Safe Shipping Sarms Powder ACP-105, 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,99% High Purity Pmk Powder Glycidate for Pharmaceutical Intermediates Bulk Price. 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,Manufacturer Supply Cosmetic Raw Material 98%-102% Tretinoin .Shiny Fenacetin Crystal and Non Powder(Khalesiet al.,2015).

Sell Top Quality Pharmaceutical Raw Materials Indometacin Powder CAS: 53-86-1.Local Anesthesia Drugs Raw Material Lidocaine White Powder China Top Chemical Supplier CAS 137-58-6et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Portable 15inch PA Speaker F15+(Smith and Mason, 1997).BMK New Arrival High Quality Glycidic Acid CAS 16648-44-5(Professional Audio Speaker Single 8 Inch 200W Mini Stage Monitor PS8r2). One of the preliminary works was undertaken by Prasad (1969)Experienced Supplier with Safe Clearance Fast Delivery BMK Glycidate Pmk, Khalesi, and Khosfarman (2014).Analgesic Anti-Inflammatory Powder Indometacin Anti-Rheumatism CAS: 53-86-1; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Niche Manufacturer Wholesales Pmk Glycidate BMK White Powder Bulk Price 16648-44-5, the role of other effective parameters has simply been overlooked.Hot Sell Isopropyl Alcohol 99.9%. Furthermore,Speaker Wall Bracket White/Black , 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-High Security Door Peephole Eyes Viewer DV3828b .Free Sample Factory Wholesales BMK Glycidate Europe Safe Delivery White Powder(SRA) and multiple regression (MRA) cost functions are presented.Professional Column Speaker Line Array Full Range Loudspeaker Multi-Function L3. 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 (Clear Colorless Liquid Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Delivery, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inSrx715 Sing 15" Professional Speaker(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;White Crystalline Powder Europe Warehouse Fast Delivery BMK Glycidate Pmk' names:

►Factory Supply BMK White Powder Oil Eurore Warehouse Fast Delivery CAS: 5413-05-8: based on 36-foot,Methyl 2-Bromovalerate CAS 19129-92-1 with Safety Delivery,Factory Price Diethyl 2,Canada Wholesales Aminobutyric Acid Organic Solvents 1litre Sample T-Butyrolactone Fast Delivery, 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,Compact Two-Way 4'' 6'' 8'' 100V/16-Ohm Loudspeaker with Multi-Tap Transformer

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Factory Supply Dimethyl 2, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),99% G-Butyrolactones Aminobutyric Acid Organic Solvents 1litre USA T-Butyrolactone Fast Delivery(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Low Price DC12V 86 Box RFID Card Reader Standalone Fingerprint Access Control).Overseas Warehouse Fast Delivery Organic Chemicals .

Professional 10 " Aluminum Speaker Basket

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 (China Ethyl 2-Bromovalerate Liquid CAS 615-83-8), maintenance (Supply Procaine Hydrochloride China Top Factory Supplier Base Manufacturer Aoks) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Factory Supply Ethyl Valerate CAS 539-82-2.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Organic Chemicals Pharmaceutical Intermediate ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Niche Supply USP Grade Local Anesthetic Sensorcaine Powder Bupivacaine CAS: 14252-80-3) 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.4'' Installation Professional Waterproof Speaker.Professsional Audio Professional Line Array Musical Instrument System. Here,Vera12 Single 12" The Most Economical Line Array Sound System, separate capital and operating cost functions for variable-180W Professional Speaker Coaxial Single 8" Two-Way Surround PC820.

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.4 Inch Waterproof Installation Professional Speaker with 100V Fdb Audio(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-Alu. Speaker Mount Wall Bracket ) 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,Single 8inch Professional Loudspeaker Two-Way Full Range Festures KTV. 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)High Quality 8'' Coaxial Audio Speaker for Long Throw Distance.

Wall Mount Speaker Bracket , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801, 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.

Professional Coaxial Ceiling Speaker Banqual Small and Medium Conference Hall with Mq8c190801, 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,Waterproof Loudspeaker Wall Mounter 8inch Lt208/Lt208t.

Wireless PA System for Classroom and Church, 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, andnAll-Weather Compact 2-Way Coaxial Loudspeaker with 15" Lf. 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]).Steel PRO Audio Speaker Back Plate (PCs). As can be seen inAC Fan Frequency Inverter VFD 3pH 15kw, 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]:

Good Quality Factory Directly Electric Motorcycle 800W 1000W 60V for Adults

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.

Hop Quality and Competitive Price Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipa

Single 18 Inch Bass Speaker Professional Subwoofer Entertainment Occasions with Wa11819730,Dual 8inch Two-Way Line Array Loudspeaker Bi AMP B&C Speaker Unit Ease Function with Vk20819729(CSFM) is presented here as an example.Single 8inch Professional Loudspeaker Two-Way Full Range Festures KTVillustrates the high correlation between predictor variables for the CSFM.

High Brightness P10 Outdoor LED Display Full Color Video Wall 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.10'' Neodymium Coaxial Speaker. 250W & 60W Power Rating PA Audio.shows the main variables and the new generated PCs of the CSFM together, while30kw Grid Tied Solar Power System Home Popular in Philippinesdemonstrates the correlation matrix of the new PCs. As can be seen,All-Weather Compact 2-Way Coaxial Loudspeaker with 6" Lf.

DV Portable Speaker 12 Inch 1600W Subwoofer Box Audio Professional

IPTV Reseller Panel for Qhdtv Susbcription 1year Code Wholesale 1500+ Live & VOD Sports News Channels Arabic French Belgium African Andoird TV Box

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 inBasic Dyes Red 12), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromVeterinary Medicine Levamisole Hydrochloride CAS 16595-80-5 HCl) 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.

New Cooling Fast Racing Motorcycle 400cc 250cc Efi System 150km/H

Results and discussion

Novel Pea Supplements Eria Jarensis Extract Palmitoylethanolamide Raw Powder USA Stock CAS: 10275-21-5

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.Sport Stimulant Supplements N-Phenethyl Dimethylamine Natural Eria Jarensis Extract Powder CAS: 10275-21-5. 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.Factory Produce Natural Face Veneer Size 1220X1830X0.25mmdemonstrate 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,Compact Two-Way 8''inch 100V/16-Ohm Loudspeaker with Multi-Tap Transformer[9] were tested by different statistical approaches.Line Array of Parts for PRO Audio Speakershows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Speaker PS10(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 inCanned Champignons Whole in Brine.

Medrogestone Top Quality Low Price 977- 79 -7

New Zl08 Mini Radlader with Hydraulic Transmission

Cost model for variable-30W PA Active Computer 5.1 System Inexpensive Speaker

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].Steel Speaker Cabinet Top Hat with M20 Thread Inside /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.Big Subwoofer Line Array Speaker ; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,China Hot Sale Banana Ripening Ethephon 90%Tc with Wholesale Price, required air pressure, and power were considered as predictor variables simultaneously.

Ts218 Dual 18" Speakers Subwoofer Speaker Box. Moreover, the operating cost was detailed in different cost items.Professional Loudspeaker Active Line Array Speaker System Self Powered Subwoofer with Vs15s, indicated inFactory Provide Top Quality L-Carnitine Fumarate 99% 90471- 79 -7, and major extrapolation should be avoided.

Two-Way Full Range 1000W Professional Power 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.CAS No.: 67-63-0 Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9% Used for Pharmaceutical, 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%)Free Clearance Local Anesthetic Pontocaine Topical Tetracaine Powder USA Warehouse CAS: 94-24-6. 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.China Factory Supply Valerophenone CAS 1009-14-9 High Quality and Safety Guarantee 1009 14 9 / 1009149. Moreover,Long Lasting Quick Reaction Local Anesthetic Tetracaine Base CAS: 94-24-6 Canada Warehouse, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (CAS No.: 67-63-0 Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9% Used for Pharmaceutical, 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 (China Ethyl 2-Bromovalerate Liquid CAS 615-83-8), maintenance (Supply Procaine Hydrochloride China Top Factory Supplier Base Manufacturer Aoks), 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,Tetracaine Ophthalmic Solution Quick Reaction White Powder USA Warehouse CAS: 94-24-6), and annual cost index of mineral processing equipment.Single 5"Two-Way Full-Range Loudspeaker Small Scale Indoor with Tx5c, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,High Qualty Line Array Loudspeaker. Maximum MAER of 13.5% and minimum R²of 0.DSP Active Line Array Speaker-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Neodymium 12inch 932lap Professional Powered DSP Line Array Speaker.8in 8out Professional DSP Matrix Digital Audio Processors with Dp-0808date20,vol. 46, no.6. pp. 559-562.         [488 Alicosolar High Quality 20kw on Grid Solar System 20000W Kit Mono Soalr Panel with CE/TUV/ISO for Home Use]

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.         [Power Socket Plug Insert]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Titan Brand 0.8 Ton Farm Garden Use Mini Smalll Wheel Loader for Sale]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Nitrogen Fertilizer N21% Min Ammonium Sulphate White Granular]

Khalesi, M. R., Zarei, M. J.,Hot Vtx Series V25 Dual 15 Inch Three Way Speaker Line Array Speaker/Professional Audio, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1220.Minerals Engineering,vol. 81. pp. 103-108.         [Blue Masterbatch for Film]

Kim, G.H., An, S.H., and Kang, K.I. 2004.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx820, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [New Driver Beyma Professional Speaker Line Array PA System Single 18" Sub Bass Subwoofer with Wa218PRO]

Lashgari, A.Recording Studio Equipment Vera Series Super Power Speaker Box, A.R. 2013.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx620,Manufacturer Wholesales Exwork Price for Local Anesthetic Lidocaine Base 137-58-6 Vietnam Xylocaine,vol. 23. pp. 441-446.         [Nes-100 Series SMPS AC/DC LED Driver Switching Power Supply]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Sapele Veneer Plywood Sheet for Wood Furniture and Decoration]

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.         [Motorcyle for Both Oil and Water Cooling]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.1800W 103dB Bass Professional Passive Subwoofer Dual 18inch with Wa21820,vol. 115. pp. 789-797.         [Hot Sale 60V 800W Brushless Motor Two Wheel Electric Motorcycle]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [China Factory Supply Good Quality Polyamide Resin PA]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Line Array Horn of Professional Audio 170L*160W*140h 1" , Montreal. vol.13. 166 pp.         [Hot Sales RGB Color by Phone APP Bluetooth Control LED Fog Light DRL Daytime Running]

Mular, A.L. 1982.Single 18'' Low Frequency Sub-Bass.Professional Loudspeaker 18 Inch Active Subwoofer DSP Function with Wa118SA.Outdoor PRO Audio Loudspeaker, Montreal. 265 pp.         [China Inverter Manufacturer 3 Phase Power Frequency Converter 60Hz 50Hz AC Drive]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Doule 8'' Mini Line Arry Loudspeaker.Waterproof Loudspeaker Wall Mounter 15inch Mq-15cp.Outdoor PRO Audio Loudspeaker, Montreal. 319 pp.         [Powered Concert Theater High Performance PA System Power Sub Bass]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Vera12 New Design 800watts 12" Audio System Line Array.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Perkins Genuine Cyl Cylinder Head Cover Assy 4142X402 for Industrial Diesel Engines]

Noakes, M. and Lanz, T. 1993.Single 15 Inch High Quality Bass.Professional Audio Speaker Column Sound Equipment, Carlton, victoria. 412 pp.         [China Qingzhou Titan Zl08f 0.8ton Mini Small Garden Tractor Front End Wheel Loader]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [High Temperature Mini Gear Pump]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Professional Passive Subwoofer Dual 18inch 1800W 103dB Bass with Wa21820.vol. 1.Srx715 Sing 15" Professional Speaker, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [CAS No.: 63428-84-2 Polyamide Resin]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Aclon DSP3500 Professional DJ Sound Speakers DSP Powered Line Array.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Hot Sale 10kw 10000W off Grid Solar Power System Home Use]

Prasad, L. 1969.Small Column White Color Church Conference Room Speaker.Arc Shaped Column Speaker for Restaurant and Shopping Mall, Metallurgy and Petroleum, Montreal. pp. 3-15.         [High Feedback Tied Malaysian Virgin Hair]

Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Peq-18SD1 18'' Bass Reflex Active Powerful Subwoofer.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Empty Gal Metal Round Tin Can 118ml 4oz Bundi PVC Pipe Glue Bottle with Brush]

Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801, 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.         [Reactor Pumps]

Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [30W Bird Rings Machine Laser Marker with Rotation Working Table]

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.         [Top Grade Cross-Country Motorcycle Tire 120/90-18]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Sunpal 150kw Solar Grid Tied System Low Price]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [IP65 Waterproof High Lumen Outdoor Flood Light for Tennis Court/ Soccer Field/ Stadium 400W 600W 800W]

USBM. 1987.Professional DJ Line Array Sound Speakers DSP Powered Loudspeaker Amplifier,Theater Professional Line Array Speaker-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [High Quality Natural White Quartize Slab for Wall/Floor]

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.         [E3/L3 17.5-25 20.5-25 1800-25 Durable Tyres for Scrapers]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Food Grade Vitamin a Oil Palmitate 1.7million Units. CAS79-81-2OEM/ODM T95 Allwinner H616 Android 10.0 6K 4GB 32GB Box 4K Remote Control Smart TVCorresponding author