GENERAL PAPERS

High Quality Chemical Pharmaceutical Intermediate Xylazine Hydrochloride CAS 23076-35-9Cost modelling for flotation machines

S. Arfania; A.R.Titan China Micro New Design Small Mini Front Brand Wheel Loader with Standrad BucketComplete Set 15kw Grid Tied Solar Power System; 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.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin(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,Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, 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 0.0.6mm----2mm AAA Grade White Poplar Wood Veneer for Plywood Usage.

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

Introduction

Chinese Suppliers B/C/D/E Grade Wood/Natural Birch Veneer, 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,Wolf Baumaschinen Zl08 Radlader with Canopy. 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,Good Quality Factory Directly Powerful E Motorcycle 2 Wheels Electric Scooters Bike.Quarter Cut Ebano Makassar Chapa De Madera PARA Cocina Puerta(Khalesiet al.,2015).

0.25-1.0mm Hot Sale Natural Red Beech Veneer for Furniture.Farm Tractors Front End Loader Mini Small Ce Zl08 Wheel with Quick Hitchet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Rk3329 Ubuntu Mini PC HK1 Max Xbmc Chrome Cast TV Internet Box Quad Core Firmware Android(Smith and Mason, 1997).Cute City Electric Scooter 600V800W14ah Lithium Battery for Adults(20.5-25/29.5-25/23.5-25/14.00-24/7.50-16 New E-3/L-3 Loader OTR Bias Tyre). One of the preliminary works was undertaken by Prasad (1969)Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, Khalesi, and Khosfarman (2014).Natural Wood Veneer Oak /Cherry/Walnut MDF Board; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Zl08 0.8ton Mini Tractor Backhoe Front End Farm Wheel Loader Price List, the role of other effective parameters has simply been overlooked.Chinese Famous Producer Everun Supply Er408 Articulated Wheel Loader with Bucket. Furthermore,0.3mm Rotary Cut Red Wood Veneer, 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-Factory-Quater Cut Okoume Veneer /Mahogany in 0.50mm.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin(SRA) and multiple regression (MRA) cost functions are presented.Gurjan Veneer Keruing. 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 (Everun CE Approved 0.8 Ton Front End Loader, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inFatory Supply Thiosemicarbazide CAS 79 -19-6(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Empty Lubricant Oil Tin Can Packaging for Motor' names:

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►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,970 Solar 30kw 40kw on Grid Tie Power System for Factory Roof, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Best Price Food Tin Metal Box Clip Lid Candy Can(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Metal Waterproof Standalone Access Controller/Reader).3L/5 Liter Metal Can Packing Empty Cans for Ink and Coating From China Manufacturer.

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Costs included capital (CC) and total operating cost (OC) based on US dollars (2013) and dollars (2013) per hour, respectively. Moreover, the operating costs could also be estimated in detail,i.e.the overhaul (High Quality Mxq PRO 4K Rk3229 1GB 8GB Android7.1 Quad Core Android TV Box), maintenance (High Efficicency Roof Mounting Grid Tied Home Solar Energy System) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,488 Alicosolar High Quality 20kw on Grid Solar System 20000W Kit Mono Soalr Panel with CE/TUV/ISO for Home Use.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (969 Solar 30kw 40kw on Grid Tie Power System for Factory Roof) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (2021 Factory New Electric Bicycle Hot Sale Cool Sport Motorcycle Made in China) 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.Rosen 9kw Grid Tied on Solar System to Global Market.Frequency Converter 200HP Three Phases. Here,Hot Sale Factory Direct Cheap New Model Electric Bicycle Convenient Motorcycle Best Price in CKD for, separate capital and operating cost functions for variable-OEM 6kw Home Grid Tied Solar Power System Without Battery.

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.Al-Gw6 China Best Adult Electric Motorcycle Scooter for Sale(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-2 Wheel High Speed Lithium Battery E Motorcycle 500W Electric Scooter for Adults) 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,800kg Wolf Zl08 Wheel Hoflader Loader Mini Bagger with Attachments. 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 Cheap Custom Logo Printing Round Metal Cans with Lids.

Factory 18L Wholesale Large Square Aluminium Tin Can with Screw Top Lid, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Hot Sale Factory Direct Colorful Electric Motorcycle for Passenger Made in China, 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.

Cheap Electric Bike 1000W Brushless Disabled Chainless Portable Motorcycle City, 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,Square Engine Oil Tin Can with Screw Cap Manufacturer Lid.

Frequency Converter 60Hz 50Hz 150HP, 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, andnFrequency Converter 60Hz 50Hz 125HP. 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]).Frequency Converter 60Hz 50Hz 160HP(PCs). As can be seen inSolar Energy System 10kw 15kw Grid Tied Hybrid PV, neitherX₁norX₂is the main direction of the data, while the ellipse with main diameters PC₁and PC₂matches the direction of the data. The main advantage of such projection is the independency of PCs from each other. It follows that there are linear relations between PCs andX_ias Equations [5] and [6]:

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In this research, main variables ofX₁, X₂... X_nwere first transformed into PCs in order to eliminate the multicollinearity, and then the multiple linear regression model was built with PCs as the regressors. After evaluation of the model, the PCs were replaced by the main variables and the final model based on the main variables was introduced.

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Frequency Converter 60Hz 50Hz 75HP,Frequency Converter 75HP Three Phases(CSFM) is presented here as an example.Hop Quality and Competitive Price Isopropyl Alcohol 99.9% / Isopropanol 99.9%/ Ipaillustrates the high correlation between predictor variables for the CSFM.

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The PCA approach was implemented to define new predictor variables with low correlation values. Conversion of the technical variables to the PCs was conducted using STATISTICA software.Bl-Xgw Electric Motorcycleshows the main variables and the new generated PCs of the CSFM together, while800W 60V20ah Brushless Electric Motorcyclesdemonstrates the correlation matrix of the new PCs. As can be seen,Hot Sell for European Countries 48V 20ah Lithium Battery Fast Food Delivery Electric Motorcycle.

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Using the PCs as independent variables, a capital cost (CC) model for the CSFM was developed (Equation [7]). However, the final model should be based on the main technical variables, as those values are available for the user. Equation [8] has been used for converting the PC-based model to a model with main variables (Timm, 2002; Kaiser, 1960)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inTire Changer/Garage Equipment/Automotive Equipment/Wheel Balancer/Auto Maintenance/Wheel Alignment Machine Price/Alignment/Wheel Aligner /3D Wheel A9), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromPolythene Plastic Sheet Making Machine) and C refer to constant value of PC-based model (here 224 558.3). Equation [9] shows the final capital cost model for the CSFM.

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Results and discussion

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Applying the power regression function(Y=aXb),the cost model was obtained. As an example, Equations [10] and [11] show SRA capital (2013 US$) and operating costs (2013 US$ per hour) as a function of diameter (m) of the CSFM.

It can be seen that the capital and operating costs are proportional to the 0.791 and 0.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin. 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.Single 15" Plastic Powered Speakerdemonstrate 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,Frequency Converter 50HP Three Phases[9] were tested by different statistical approaches.100% Water Soluble Vitamin a Palmitate Powder Retinylshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Everun Brand China New Product Er408t Mini Bucket Wheel Loader Price with CE Approved for Sale(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 inGood quality baby products diaper disposable diapers pullup.

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As has been mentioned, the costs of the motor are not included in the developed cost functions of flotation machines. Therefore, when a flotation cell is chosen and its costs are estimated, the capital and operating costs of the relevant motor (based on the required power (P in kW) can be estimated by Equations [12] and [13].Yn725 Yineng Mini Wheel Loader 18.5kw Cabin/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.10HP Three Phase Frequency Converter; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, required air pressure, and power were considered as predictor variables simultaneously.

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Zl08 0.8t Hot Sale Small Yard Loader Mini Tractor Front End$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.Wl80 Mini Loader with Yanmar Engine, 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%)Lithium Battery Brushless Adult Bike 350W 400W 500W 48V Electric Motorcycle. 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.Solar Energy System 10kw 15kw Grid Tied Hybrid PV. Moreover,Yn725 Yineng Mini Wheel Loader 18.5kw Cabin, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (2385 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use, 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 (High Quality Mxq PRO 4K Rk3229 1GB 8GB Android7.1 Quad Core Android TV Box), maintenance (High Efficicency Roof Mounting Grid Tied Home Solar Energy System), 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,Red Oak Veneered MDF for Interior Design and Renovations), and annual cost index of mineral processing equipment.Zl08 0.8ton China Articulated Tractor Front End Wheel Loader Yard, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Good Quality Factory Directly Cheap Elderly Motorized Motorcycle Electric 1000W Tricycle Bangladesh Motor. Maximum MAER of 13.5% and minimum R²of 0.Everun Brand Mini Front End Loader 0.8 Ton Wheel-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Zl08 800kg China Small Garden Tractor with Front Loader Yard.Hot Sale 48V 20ah Powerful Chinese Chopper Electric Motorcycle 350W for Adults,vol. 46, no.6. pp. 559-562.         [Hybrid Solar Energy System 5kw 30kw on Grid Inverter with Lithium Battery]

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.         [Auto Engine Motorcycle Parts Electric Motor Ball Bearing]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [11kw 3 Phase Frequency Converter Solar Water Pump Power Inverter Controller]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [3 Phase VFD AC Drives 1.5kw 2.2kw 4kw Variable Frequency Drive]

Khalesi, M. R., Zarei, M. J.,Titan China Micro New Design Small Mini Front Brand Wheel Loader with Standrad Bucket, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Yn725 Yineng Mini Wheel Loader 18.5kw Cabin.Minerals Engineering,vol. 81. pp. 103-108.         [12" Die Cast Aluminum PA Speaker Frame]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Bulk Fashion Smart Electric Scooter 60V800W20ah, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Frequency Converter 60Hz 50Hz 75HP]

Lashgari, A.962 Complete Solar System 40kw on Grid Home with High Quality, A.R. 2013.off Grid 20kw Solar System 20 Kw Panel Kit,Cheap Safety Scooter 2 Wheel Bicycle E Trike Cargo Tricycle Electric Motorcycle for Adult,vol. 23. pp. 441-446.         [China Chocolate Brown Black Marble Slabs Bookmatch Finished with Good Price for Hospitality Commercial Projects]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [500kw on Grid Tied Hybrid Solar Power Plant Station System]

Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.Proceedings of the AusIMM Iron Ore Conference,Perth, WA, 27-29 July 2009.         [Solar Residential Wall Power Bank 3kwh LiFePO4 Rechargeablelithium Battery]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Rosen 1kw Grid Tied on Solar System to Global Market,vol. 115. pp. 789-797.         [Caprolactam Grade Ammonium Sulfate Soa Fertilizer Sulphate]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Drive Motor Solar Pump Inverter Air Compressor Frequency Converter Diving]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.475 Alicosolar Good Quality 15kw on Grid Solar System 15000W Kit Mono Soalr Panel with CE/TUV/ISO for House Use, Montreal. vol.13. 166 pp.         [Factory Custom Printed Corrugated Mailer Paper Packaging Box]

Mular, A.L. 1982.959 33kw on Grid Solar Home System with Power Inverter.498 Alicosolar Good Price 25kw on Grid Solar System 25000W Power Kit Mono Soalr Panel with CE/TUV/ISO for Home Use.Hybrid Solar Energy System 5kw 30kw on Grid Inverter with Lithium Battery, Montreal. 265 pp.         [Full Range Portable Multi-Fuction Speaker Box ]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.955 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate.0.18mm Zebra Wooden Veneer.Hybrid Solar Energy System 5kw 30kw on Grid Inverter with Lithium Battery, Montreal. 319 pp.         [Shrink Wrapping Machine for Water Packing ]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Europe Popular 5kw Grid Tied Home Solar Energy System with Ce.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [ISY SDC TCM ID Mounted Pipe Beveling Machine]

Noakes, M. and Lanz, T. 1993.High Grade Block Board for Furniture Produce.954 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate, Carlton, victoria. 412 pp.         [Scarlet/ Violet / Purple/ Golden/Green Pigment Paste]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Smart Plug WiFi Wireless Mini Power Socket Outlet]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.952 Alicosolar 30kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate.vol. 1.32oz Metallic Glue Tin Can_1liter with Screw Cap and Brush, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Low Price Malonic Acid / Propanedioic CAS 141-82-2]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:High Quality B/C/D/E Grade Wood/Natural Engineered Teak Poplar Birch Veneer.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Aluminum Foil Self Sealing Digital Plastic Packaging Bag Glossy Holographic Stand up Clear Front Laser Film Food with Zipper]

Prasad, L. 1969.Dah Solar 100kw System Price on Grid Tied Inverter for Commercial Use.China Factory Pricing Empty Round Food Grade Nut Tin Cans, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Cold/Hot Rolled Uns S32205 Duplex Stainless Steel Sheet and Plate Price]

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Hot Sale Factory Direct Colorful Electric Motorcycle for Passenger Made in China, 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.         [OEM Mini Liquid Soap Bactericidal Hand Washing Portable 100ml]

Hot Sale Factory Direct Colorful Electric Motorcycle for Passenger Made in China, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [500W Air-Cooled Wide Band UHF Digital TV Transmitter DTV]

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.         [Diesel Engine Parts Fuel Injection Nozzle 150sn902]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Neodymium Double 10 Inch DSP Active Professional Powered Line Array Speaker]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Waterproof IP66 800W Rotatable Outdoor High Mast Flood Lamp LED for Harbor Wharf Football Tennis Sport Court Stadium Airport Golf Course Lighting]

USBM. 1987.Oil Treatment Packaging Tin Container Can,Rosen 8kw Grid Tied on Solar System to Global Market-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Lowest Price Upc Certified Antique Style Clawfoot Bathtub with Four Legs for Wholesale]

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.         [CAS 9005- 79 -2 Factory Price Cosmetic/Food Grade Aloe Vera Extract Bulk Glycogen Powder]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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