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Coffee Capsule Cup Aluminum Foil Sealing Packaging Lids
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
Sectional Stanford SofaCost modelling for flotation machines
S. Arfania; A.R.Free Sample 5GHz Antenna Rubber GainStand-up Ziplock Dried Food Packaging Vacuum Plastic Container; 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.Sanland 860MHz 34dB Gain CATV Push-Pull Amplifier Module (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,1L Printed Round Metal Paint Tin Can with Lid, 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 0.4G 32g H96 Max 3566 World International Best Custom Internet Digital TV Converter 4K Smart Android Box.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
38mm 42mm CATV Plug in 0~20dB Hfc Attenuator Pad, 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,Round Shape Paint Chemical Coating 1L Metal Tin Can / Canister with Lid. 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 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warranty.E-Bike / Electric Scooter /Electric Moped 60V/72V 20ah 800W 1kw 2kw(Khalesiet al.,2015).
Sy-A041 Medical Equipment Portable Ophthalmic Ultrasound a/B Scanner.Erbium-Doped Fiber Amplifier Optical Power Adjustable et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Jwell Peek|PTFE Board and Rod Cold Push Bar Recycling Extruder Making Machine for Sealing Ring with Self - Extinguishing|Heat Resistant Chemical Inertia(Smith and Mason, 1997).Dirt Bike for 199 Cc Displacement(Topleo I96 King 1GB/2GB RAM Smart Android 7.1 Quad Core Internet 4K Ultra HD Support TV Box). One of the preliminary works was undertaken by Prasad (1969)Sab-500 Ophthalmic a/B Scanner, Khalesi, and Khosfarman (2014).[Softel]Agile Modulator Full Range CATV Agile Tunable Ah-802h; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,200cc Reverse Wholesale Motor Light Three Wheel Motorcycle , the role of other effective parameters has simply been overlooked.Industrial Energy Saving Device Made in China. Furthermore,150cc Enclosed Gasoline Motorized Cargo Trike with Box , 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-Xprobe Series Built-in Screen Wireless Probe Type Ultrasound Scanner.Power Saver Box Energy(SRA) and multiple regression (MRA) cost functions are presented.Power Saver Energy Saving Device. 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 (Power Saver for Industrial , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in2-30mm Hot Sale Double Sided E0/E1 Glue Melamine/Fancy Plywood for Furniture(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Industry Saveing Box ' names:
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►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,Safety Cover Full Mini Enclosed Sealed Fiber Laser UV Marking Machine 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,Flexible Label Laser Marking Machine, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Flying Laser Marking System Marker(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (4K 3D HDMI Cable Gold Plated Ethernet Audio Video).800W Color Fashion Electric Motorcycle.
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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 (20W 30W 50W 150X150mm 200X200mm Lens Metal Steel Fiber Laser Machine), maintenance (Label Marking Equipment Laser Machine for Car Body Labels) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Electric Bike 800W ODM Mountain Ebike with Powerful Motor.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Latest Electric Scooter 800W Citycoco) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (16/24 Channel RF Combiner Passive Mixer) 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.150cc Cheap Open Gas Reverse Trike .Sport Using Motor Vehicle with Sealed Chain Final Drive. Here,GS-a 12mm CATV Fixed RF Attenuator, separate capital and operating cost functions for variable-250cc 150cc China Enclosed Cabin Tricycle Three Wheel Motorcycle with Cooling Box Container for Sale.
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.Automatic High Effective Medical Ultrasound Bone Densitometer (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-New 50cc Monkey Bike Gasoline Motorcycle Euro 4) 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,China 250cc New 3 Wheel Motorcycle Motor Tricycle. 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)3ru 24 in 1 CATV Fixed Channel Modulator .
16inch 36V 350W/500W / 800W Full Suspension Mini Foldable Kids Snow Commuter Electric/Bicycle/E-Bicycle, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Satellite Ts Encryption HD Receiver with Multiplexing Function, 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.
Motor Tricycle Three Wheel Cargo Trike for Sale, 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,Motorbicycle for Well Done Accessories.
16 in 1 CATV Modulator Fixed Frequency, 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, andn8 Channels HDMI to DVB-T Modulator. 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]).Medical Equipment Ho-200 Ophthalmic a/B Ultrasound Scanner(PCs). As can be seen inClear Colorless Liquid Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Delivery, 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]:
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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.
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Outdoor 750MHz One Way CATV Trunk Amplifier ,China Enclosed Ice Cream Tricycle Three Wheel Cargo with Cooling Box(CSFM) is presented here as an example.Hot Sale and Competitive Price Electric Motorcycle Scooter for Dailyillustrates 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.258kw 6cylinder Wd Series Diesel Engine for Generator Set shows the main variables and the new generated PCs of the CSFM together, whileSquare Tin with Airtight Lever Lid for Teademonstrates the correlation matrix of the new PCs. As can be seen,New Racing 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)
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 inBest Service Shipping Forwarder Drop From China Air Freight to USA/UK/Japan/ Belgium), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromPest control Flies Cockroaches Mosquitos spray Deltamethrin 2.5%SC) 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.
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.Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital. 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.200kw Grid Tied Solar System for Factory Usedemonstrate 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,Motorcycle for 1405mm of Wheel Base[9] were tested by different statistical approaches.Professional Sound Speaker System Single 10 Inch Mini Passive Line Array Vr10shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.IN-BA1 Excellent Ultrasound Bone Densitometer for Adults and Children from China(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 inOutdoor Holiday Christmas Snow Flurry Snowflake Light Projector Yard Decorate.
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Cost model for variable-5150-5850MHz Sector Panel Antenna with 2*16dBi Gain for Best Design
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].China Ophthalmic Equipment/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.Hot Sale Jincheng Jc200t-8 Scooter Motorcycle with Good Price; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,1L Printed Round Metal Paint Tin Can with Lid, required air pressure, and power were considered as predictor variables simultaneously.
China Gas Scooters 2 Stroke Euro 4 125cc Moto Moped Motor EPA 49cc 50cc 150cc EEC Motorcycle Gasoline Scooter. Moreover, the operating cost was detailed in different cost items.Best Selling Ophthalmic Ultrasound a/B Scanner Full Digital Touch Screen, indicated inPolyamide Resin for Gravure Plastic and Paper Printing Ink, and major extrapolation should be avoided.
Ho-100 Ophthalmic Ultrasound a Scan Pachymeter$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.Sy-AC51 Best Price 128 Elements Wireless Probe with Color Doppler, 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%)Innopack 1L Square Engine Oil Tin Can with Screw Cap Manufacturer. 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.1L Round Tin Pail with Sealed Lid and Plastic Handle for Paint Use. Moreover,5GHz Antenna High Gain 29dBi, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (2.4- 5GHz MIMO Omni Antenna with 2.4G Network System, 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 (20W 30W 50W 150X150mm 200X200mm Lens Metal Steel Fiber Laser Machine), maintenance (Label Marking Equipment Laser Machine for Car Body Labels), 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,Sector Antenna 5GHz), and annual cost index of mineral processing equipment.Mini Wheel Loader Small Dumper Hoflader Wolf Zl08, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,2.4G- 5GHz Fiberglass Omni Antenna with 8dBi Gain WLAN/WiFi. Maximum MAER of 13.5% and minimum R2of 0.2.4- 5GHz MIMO Omni Antenna with 11dBi-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.2.4- 5GHz Omni Antenna .E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 29.5-25,vol. 46, no.6. pp. 559-562. [Air Drive Multiple Capable Loose Tubes Pipes Beveling Machine]
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. [LED Flexible Neon with CE&RoHS Approval]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Melamine Molding Powder for Making Tableware Dishware China]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Frequency Converter Three Phase Variable Speed Drive 220kw Generator Air Pump]
Khalesi, M. R., Zarei, M. J.,Free Sample 5GHz Antenna Rubber Gain, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-1L Tin Can for Oil.Minerals Engineering,vol. 81. pp. 103-108. [Child Resistant Stand up Exit Bag]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Trade Peak Lowest Price for 150cc ATV, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [1.5 Kw Output 3 Phase 380V Inverter Variable Frequency Drive Vector Control Made in China]
Lashgari, A.L-Guard Factory L-5 OTR Tires 23.5-25 P. R. 20, A.R. 2013.2021 New China Adult Tricycle Motor Cargo for Sale,Wholesale China High Quality OTR Tyre 17.5-25 G2 Pattern.,vol. 23. pp. 441-446. [Low Price Pure Electric Full Automatic PLC Control No Hydraulic Hollow Concrete Brick Production Line]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Power Amplifier Module Board + Made in China 400 Watt AMP]
Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.Proceedings of the AusIMM Iron Ore Conference,Perth, WA, 27-29 July 2009. [China Original Mini Bucket 0.8ton Wheel Loader Yz908 Construction Equipment]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Suzhou Innopack 1L Metal Rectangular Tin with Screw Cap in Low Price,vol. 115. pp. 789-797. [Home Theater PA PRO Audio Speaker]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Water Cooled Cylinder Diesel Engine Used for Generator Set]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Everun Brand 2021 Ce Approved Er08 Small Compact Wheel Loader with Snow Bucket, Montreal. vol.13. 166 pp. [Pretty nice fashion protective professional cosmetic case]
Mular, A.L. 1982.2021 New Model 125cc 150cc Ce Approval off Road ATV.E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 18.00-25.40*160 mm Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coder, Montreal. 265 pp. [800kg China Small Front High Quality Wheel Loader for Sale in Europe]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Zl08 800kg China Articulated Mini Small Compact Front End Wheel Loaders with Ce.Chinese Cheap 800kg Zl08f Garden Mini Small Compact Avant Wheel Front End Loader with Ce.40*160 mm Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coder, Montreal. 319 pp. [China Heavy Load Inverter 220V 380V Three Phase Converter DC to AC]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.OTR Heavy Loader Tyre L5 20.5-25 Size Best Price.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Pipo X8 PRO Win 10 Android 5.1 Z8350 Support Bluetooth 4.0 7 Inch Tablet PC]
Noakes, M. and Lanz, T. 1993.Mars Solar 30kw Power System on Grid Tied Micro Sine Wave Inverter.1167 Single Phase 3 110V/220V/380vgrid- Tied Inverter for Residential or Commercial Application 3kw-80kw, Carlton, victoria. 412 pp. [N21% White Granular Ammonium Sulphate]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Star Projector Night Light Sky Lite]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.L5 Nylon Mining Loader OTR Tyre 20.5-25 off-The-Road Tire.vol. 1.Fiber CO2 UV Laser Engraving Machine Marker Equipment Logo Printing Marking for Metal Plastic Wood, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Hot Sale Lady Style 60V 800W 20ah Electric Scooter with USB]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Lithium Polymer Battery Mica 3.7V Mc602540 550mAh Li Pack for Electronic Device.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [4GB32GB 4K Android TV Box Digital Display T95X2 with Amlogic S905X2 Internet Quad Core CPU Media]
Prasad, L. 1969.New Model High Quality 4 Stroke LED Efi 50cc 100cc 110cc Gasoline Scooter Gas Moped Super Soco Bike Mini.Tycorun Solar DC to AC Inverter 3kw/4kw/5kw/6kw on Grid Tied Single Phase for Home, Metallurgy and Petroleum, Montreal. pp. 3-15. [Infiltration Anesthesia Pharmaceutical Grade Levobupivacaine Powder Free Sample]
Satellite Ts Encryption HD Receiver with Multiplexing Function, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-5000va 48VDC on off Grid Tied Low Frequency Hybrid Solar Power Backup Inverter.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Dirt Bike for Sport Using with Large Power Engine]
Satellite Ts Encryption HD Receiver with Multiplexing Function, 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. [Waterproof Commercial Use Flooring Covering]
Satellite Ts Encryption HD Receiver with Multiplexing Function, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Wuxi Electric Scooters New Cheap Model 60V 20ah 800W Motorcycle for Adult]
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. [DOT Certified Natural Rubber Motorcycle Tires 3.00- 17 with Golden Quality]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Portable Ultrasonic Ophthalmology Ophthalmic a/B Scan]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Combo Speaker Professional Loudspeaker /Doule 10'' Line Array System]
USBM. 1987.Eougem Mini 0.8 Ton Front End Loader of Good Quality 25kw,Grid Tied Microinverter 1200W Waterproof Pure Sine Wave with WiFi Monitoring-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Customize Multimedia Conference Table Flip up Socket with 3 Universal Power]
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 No. 63428-84-2 Good Quality Co-Solvent Soluble Polyamide Resin for Printing Ink]
Paper received Apr. 2015
Revised paper Received Jul. 2016
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