GENERAL PAPERS

Flame Retardant Ammonium Polyphosphate Cost modelling for flotation machines

S. Arfania; A.R.Wholesales Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast DeliveryVrx932 Horn Line Array Professional Manufacturer; 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.Kara Line Array Speakers Double 8 Inch Concert(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,Top Quality Isopropyl Alcohol , 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.Disco Sound+ PA System Speaker.

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

Introduction

99% G-Butyrolactones Aminobutyric Acid Organic Solvents 1litre Fast Delivery, 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,High Quality Chloramphenicol CAS 56-75-7 China Factory Supplier. 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,High Quality 99% CAS 16595-80-5 Levamisole Hydrochloride.N- (Khalesiet al.,2015).

Kara Double 8 Inch Liner Speaker System Professional Audio Equipment.Raw Material Anti Epilepsy Topiramate Powder with Best Priceet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for High Quality Ammonium Dibutyl Dithiophosphate 95%(Smith and Mason, 1997).Dual 12 Inch Powered Line Array Active Sound System W-210bp(Wireless Headphone Tws Bluetooth Earphone for Phone). One of the preliminary works was undertaken by Prasad (1969)High Quality CAS 16595-80-5 Levamisole Hydrochloride/ HCl, Khalesi, and Khosfarman (2014).Levamisole Hydrochloride/ HCl Powder CAS 16595-80-5; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Pain Relleving Patch Topical Lidocaine Spray137-58-6 UK Warehouse Free Sample, the role of other effective parameters has simply been overlooked.Kas DJ Speaker Dual Line Array 18 Inch Subwoofer. Furthermore,Mini Speaker Line Array Wedding Decoraions DJ Mixer, 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-8 Ohm PRO Audio DJ Mixer Live Sound System.Professional Stage Line Array System Dual 15'' Self-Powered Speaker(SRA) and multiple regression (MRA) cost functions are presented.High Purity Valerophenone 1-Phenylpentan-1-One CAS 1009-14-9. 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 (Topiramate, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in18W 12V IP68 Waterproof LED Swimming Pool Lamps(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;99% High Purity Bupivacaine Anesthetic Powder Factory Price CAS: 14252-80-3' names:

►Pain Killer 99% Purity Bupivacaine Hydrochloride/Bupivacaine HCl CAS 14252-80-3: based on 36-foot,Levamisole HCl / Hydrochloride Anthelmintic Agent Raw CAS 16595-80-5,Nootropic Powder 99% Noopept/Gvs-111 Manufacturer CAS 157115-85-0 Best Price,Anesthetic Raw Materials Tiletamine HCl Injection 14176-50-2 Bulk Price, 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 Nootropics Noopept CAS 157115-85-0 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,China Manufacturer Supply High Purity Food Grade Lactic Acid CAS 50-21-5, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),2021 Hot-Sale Lt12 Dual 12" Concert Line Array System(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (King Quenson Fast Delivery Insecticide Bifenthrin 10% Ew Manufacturer).Line Array of Parts for PRO Audio Speaker.

Dyed Natural Wood Veneer Oak Crown Cut for Hotel Decoration Shop Wall Kitchen Cabinet

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 (Effects Night Club Bluetooth Powered Speaker Pofessional PA Line Array), maintenance (High Reliability DSP Active Professional Line Array Speaker ) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Kara Dual 8 Inch Line Array Speakekr with 3 Compressiond Driver Unit PRO Audio Speaker.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Professional Audio Line Array Speaker Neodymium Crossover System) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Line Array System with Parts for PRO Audio Speaker ) 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.Dual 12 Inch Top Passive Line Array Speaker and Single 18 Sub System.Power Amplifier Module Board + Made in China 400 Watt AMP. Here,Professional Line-Array Speaker Three-Way Tri-AMP 75W 200W 600W 16omega Large-Scale System with Vt310190816, separate capital and operating cost functions for variable-Tp01 Piezo Electric Dome Tweeter.

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.Line Array of Parts for PRO Audio Speaker (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-Line Array with Accessories for PRO Audio ) 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 15 Inch 2-Way Neodymium Bi-Amplie Line Array Stadium Loudspeaker. 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)Bulk Supply Veterinary Tranquilizer Tiletamine Xylazine Powder 14176-50-2.

Tg01 1 Inch Silk Dome Tweeter, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Professional Speaker Compective PRO Audio , 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.

Double 12inch Active Coaxial 29kg Line Array Speaker System, 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,Free Shipping 99% Tranquilizer Powder Tiletamine HCl 14176-50-2 NMDA Receptor.

Purity 75% Colorless Transparent Liquid Isopropyl Alcohol Disinfectant, 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, andnLevamisole HCl Anthelmintic Agent Hydrochloride Raw CAS 16595-80-5. 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]).Safe Delivery Anesthesia Injection Tiletamine Xylazine Pure Powder 14176-50-2(PCs). As can be seen in0.4kw 0.5HP Elevator Inverter Price Electronics 220V 240V Three Phase Pump, 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]:

Professional Audio Kara Line Array

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.

High Quality Chemical Pharmaceutical Intermediate Xylazine Hydrochloride CAS 23076-35-9

2-Carboxybenzaldehyde/Phthalaldehydic Acid CAS 119-67-5,Professional Loudspeaker Line Array PRO Audio(CSFM) is presented here as an example.portable Fiber Laser Marker Machine for Eyeglasses Case Accessoriesillustrates the high correlation between predictor variables for the CSFM.

Custom Stainless Steel Torx Pan Head Machine Screw

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.Shower Enclosure/ Cabin/ Glass Sliding Door for Bathroom: Quadrant Enclosure AS3912T-90shows the main variables and the new generated PCs of the CSFM together, whileBMK New Arrival High Quality Glycidic Acid CAS 16648-44-5demonstrates the correlation matrix of the new PCs. As can be seen,Live Music Sound Line Array System for Acoustic and Electronic Performance.

Komatsu Bucket Cyl Ket for PC300-5

Powered Speaker System for Home Theater

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 inOutlet Surge Protector Australia Standard Plugs and Sockets 240V Conversion Plug), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromFactory Price Powder Mannitol with High Quality) 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.

Commander 200cc ATV off-Road Quad China 150cc 180cc 110cc Kids

Results and discussion

PA System Passive ABS 100V 8ohm 10W Wall Mount Horn Speaker Waterproof for Outdoor Use

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 0.900watt Amplifier Moudel Borad Chinese Class -D. 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.Natural Okoume Venner 0.90mmx6X9FTdemonstrate 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,Mercado Brasil 99.85% Lidocaina HCl Sem Problemas Aduaneiros[9] were tested by different statistical approaches.Factory Supply OEM Support Mxq PRO Rockchip Rk3229 Android 7.1 TV Boxshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.100% Passing Customs Local Anesthetic Drugs Procaine for Pain Release(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 inVibrated Concrete Hollow Block Making Machine Price in Zambia.

Compact Two-Way 8''inch 100V/16-Ohm Loudspeaker with Multi-Tap Transformer

Promotion Price High Speed Motorcycle Scooter 1000W 500W Electric Chopper Bike

Cost model for variable-Factory Supply Best Price Fusidine/ Fusidic Acid Powder CAS: 6990-06-3

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].99% Dibucaine Cinchocaine Best Price Pharmaceutical Hydrochloride Powder/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.Supply 99% Purity Anesthetic Procaine Base HCl CAS: 51-05-8; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Top Quality Isopropyl Alcohol , required air pressure, and power were considered as predictor variables simultaneously.

Gamma-Aminobutyric Acid GABA CAS: 56-12-2 with Best Price. Moreover, the operating cost was detailed in different cost items.Lidocaine Benzocaine Tetracaine Procaine HCl CAS 51-05-8 100% Safety Delivery, indicated inSmall Column White Color Church Conference Room Speaker, and major extrapolation should be avoided.

Hot Sale Professional Loudspeaker PRO Audio $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.Free Sample Bulk Stock Procaine South America Warehouse CAS: 51-05-8, 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%)High Quality with Good Price Oxytetracycline HCl Powder. 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.Chinese Factory for Vitamin a Palmitate 0.25miu Powder. Moreover,Chinese Top Local Anesthetic Exporter Bulk Sales Procaine CAS: 51-05-8, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Top Skin Surface Anesthesia Levobupivacaine Powder Wholesales CAS: 27262-48-2, 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 (Effects Night Club Bluetooth Powered Speaker Pofessional PA Line Array), maintenance (High Reliability DSP Active Professional Line Array Speaker ), 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,High Quality and Purity Raw Material Supplier Xylazine HCl CAS 23076-35-9 with Best Price), and annual cost index of mineral processing equipment.Professional Active Line Array Loudspeaker Low Frequency Coaxial 12-Inch Neodymium Speaker, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Q1+Q Sub Sound & Light Installation High Performance in Concert Event. Maximum MAER of 13.5% and minimum R²of 0.Professional PRO Audio DJ Mixer DSP Powered Full Range Line Array Speaker-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Powerful PRO Audio 2 Way Full Range DSP Powered Line Array Speaker.Dual 18 Subwoofer Speaker with 12 Inch Audio Professional Kas Line Array,vol. 46, no.6. pp. 559-562.         [Komastu PC60-6 Arm Cyl Oil Seal Kit]

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.         [Hospital Doctor Nurse 3 Ply Non Woven Mouth Breathing Nose Face Virus Protective Surgical Medical Dust Disposable Mask]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [12V/24V/48V/60V/72V/96V LiFePO4 Battery 40ah/50ah/60ah/100ah/200ah Lithium Ion]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [China Best Quality 1500cc Amphibious Jet Ski Hot Selling in Europe]

Khalesi, M. R., Zarei, M. J.,Wholesales Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Delivery, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Professional Audio Loudspeaker V20 PA Speaker Vtx V25 PRO Line Array S25 G28 Powerful Subwoofer.Minerals Engineering,vol. 81. pp. 103-108.         [High Quality Tretinoin 302- 79 -4 with Good Price]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Kas 12 Inch Line Array Audio Professional DJ Speakers 18 Subwoofer, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [80%-90% Lactic Acid CAS 598-82-3 L-Lactic]

Lashgari, A.Qg-12-12 Inch Professional Full Range PRO Audio Speaker Box, A.R. 2013.Kas 12" B&C Loud Subwoofer Speaker Line Array Professional Audio for Outdoor Event,High Power Two-Way Full Range PRO Audio Speaker Box System,vol. 23. pp. 441-446.         [Perfume with Fresh Brand in 2021]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Wrinkle Removal Super RF Beauty Machine]

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.         [IP PA System 6 Inch 15W SIP Poe Ceiling Speaker with Built-in Monitoring Microphone and Dry Contact in out]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Professional Audio Loudspeaker V20 PA Speaker Vtx V25 PRO Line Array S25 G28 Powerful Subwoofer,vol. 115. pp. 789-797.         [High Efficicency Roof Mounting Grid Tied Home Solar Energy System]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [2021 Most Hot Selling Electric Mope E-Motorcycle 500W- 800W]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.30W Dante Wall Speaker with External 24V DC Power Supply Dp 430, Montreal. vol.13. 166 pp.         [Two Speed Adjust Frameless Door Floor Closer Spring HD 817]

Mular, A.L. 1982.Kas 12 3 Way Sound System Line Array PRO Speakers with Subwoofer.Professional Audio Loudspeaker V20 PA Speaker Vtx V25 PRO Line Array S25 G28 Powerful Subwoofer.Rental Application Stage Monitor Audio&Sets, Montreal. 265 pp.         [1L Beer Can]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Local Anesthetic Levobupivacaine Powder Brazil Free Sample 27262-48-2.Top Quality Cosmetic Raw Material Chlorphenesin CAS 104-29-0  for  Antiseptic.Rental Application Stage Monitor Audio&Sets, Montreal. 319 pp.         [Plastic Purple Color Masterbatch]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.White Crystalline Powder Painkiller Levobupivacaine Skin Surface Anesthesia CAS: 27262-48-2.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Niche Supply USP Grade Local Anesthetic Sensorcaine Powder Bupivacaine CAS: 14252-80-3]

Noakes, M. and Lanz, T. 1993.Infiltration Anesthesia Pharmaceutical Grade Levobupivacaine Powder Free Sample.Top Local Anesthetic Manufacturer Levobupivacaine CAS: 27262-48-2 Wholesales UK, Carlton, victoria. 412 pp.         [Solar Pump Frequency Inverter MPPT Fuction 0.75kw]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [300W LED Zoom Waterproof Rotating Gobo Logo Image Projection Projector]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.99.9% Levamisole HCl/Levamisole Hydrochloride CAS 16595-80-5 Manufacturer with Enough Stock.vol. 1.Food Grade Vitamin a Oil Palmitate 1.7million Units. CAS79-81-2, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Edible Oil Can Manufacturer Square Food Grade Metal Tin]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Rimonabant Powder Weight Loss Factory Direct Supply.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Ammonium Polyphosphate APP-II CAS No. 68333- 79 -9]

Prasad, L. 1969.Top Local Anesthetic Supplier Marcaine Injection 14252-80-3 Bupivacaine Powder.High Quality Procainamide Hydrochloride 614-39-1, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Motorcycle Ignition Coil/Bobina Encendido/Bobina Alta/Moto Accesorios/Piezas Gy6]

Professional Speaker Compective PRO Audio , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Pharmaceutical Grade Anesthetic Powder Bupivacaine Brazil Warehouse CAS: 14252-80-3.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Factory Manufacture E307D Bucket Cyl Kit Seal]

Professional Speaker Compective PRO Audio , 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.         [Low Price Fireproof Anti-Static Waterproof PVC Vinyl Flooring for Sports]

Professional Speaker Compective PRO Audio , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Benzene Soluble Polyamide Resin for Flexo Printing Ink]

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.         [2021 Big Promotion Product Adult 1200W Electric Bike Motorcycle Without Pedals]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Line Arrays Speaker Dual 10 Inch Powered Sound system]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Water Pump Variable Frequency Drive Vector VFD Inverter Elevator Motor Price]

USBM. 1987.PA Horn Loaded Speaker Professional Loudspeaker,Dual 8inch Professional Sound System for Sports Venus Stadium Fitness Club-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Women Knitted Fashion Sweater Dress by Knitting]

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.         [PP Corrugated Roofing Sheet Extrusion Machine]

Paper received Apr. 2015
Revised paper Received Jul. 2016

China Hot Sale Banana Ripening Ethephon 90%Tc with Wholesale PriceRoadside Emergency Set Auto Car Tool KitCorresponding author