GENERAL PAPERS

Chinese Manufacture Jcb332/Y6195 Universal Cylinder Seal KitCost modelling for flotation machines

S. Arfania; A.R.Motorcycle Part Carburetor Cg125/Cg150/Jialing125/Jh125L/FT150/ Gy6 -125/CS125/Ds125/Ds150/FT125/150/Chopper /GS150/Gya-200 / Italika Tx-2002021 New Design 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with CE RoHS IP68 Reports; 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.Cheap Popular Pattern 3.00-18 Motorcycle Tyre(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,Strong Corrosion Resistance High Overload Pressure Sensor, 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 0.300cc Triciclo Con Cabina.

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

Introduction

Three Wheel Trolley Tube Type Tire 90/90-18, 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 accuracy stability Monocrystalline Silicon Pressure Transmitter. 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,Discount High Strength 90/90-19 Motorcycle Tyre/Tire.New Pattern Best Price 110/90- 17 Motorcycle Tire(Khalesiet al.,2015).

Tire Brands to Avoid 2.50- 17 Solid Tire..2021 Hot Sale 18W 12V High Power Swimming Pool Lighting Water Proof Lights foret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Chemical Use 10L 20L Metal Tin Paint Bucket Pail with Flower Cover / Ring Lock Lid(Smith and Mason, 1997).Lashes 3D Wholesale Vendor Full Strip False Eyelashes 20mm(Custom Printing Mylar Bio Child Proof Stand up Pouch Plastic Food Grade Packaging Bag). One of the preliminary works was undertaken by Prasad (1969)2021 Hot Sale Surface Mounted Swimming Pool Underwater LED Light with Edison Chip, Khalesi, and Khosfarman (2014).Chinese 300cc Cheap Farm Gas Trike ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,3.00- 17 Super High Quality Natural Rubber Motorcycle Tire., the role of other effective parameters has simply been overlooked.Thin-film Sputtering Pressure Transmitter For Medical Equipment. Furthermore,High Quality Surface Mounted Swimming Pool Underwater LED Light with Edison Chip, 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-Ophthalmic Ultrasonic Pachymeter and Biometer.2D Echo Color Doppler Ultrasound Scanner Diagnostic Equipment(SRA) and multiple regression (MRA) cost functions are presented.2021 New Arrival Malaysian Eyebrow. 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 (18" Remy Hair Lace Front Closure Natural Color Body Wave, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in60V800W Electric Scooter with Highlight Rear Box(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;250ml 500ml 750ml 1L Fancy Small Cooking Oil Tin' names:

►2D Echo Color Doppler Ultrasound Scanner: based on 36-foot,Ready to Ship Best Quality Brazilian Human Hair Body Wave Extensions,8-30inches Malaysian Straight Hair Bundles 100% Human Weaves,Ophthalmic Biometer &Pachymeter , 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,New Cooling Fast Racing Motorcycle 400cc 250cc Efi System 150km/H

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Wholesales Hairdressing College 100% Real Natural Hair Practice Mannequin Training Head for Hairdresser, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),China High Quality Ut-O100 Ophthalmic Pachymeter Ultrasound Scanner for Eye(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (BSCI Free Sample Custom Offset Printing on Button Badge).Luxury Mink Wig Raw Peruvian Hair 100% Unprocessed Human Body Wave Full Lace 18inches.

Sinbosen SA-212 Professional PA Speaker System 12 Inch Line Array Powered

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 (50cc EEC Motorcycle Scooter Efi Moped), maintenance (3 Seats 3000W 4 Wheel Mobility Disabled EEC/Coc Electric Mini Car with Lithium Battery) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,50cc/125cc Euro 5 Certificate Gas Scooter Motorcycle Moped Efi .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Zhenhua New T5 300cc Motorcycle Efi) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (EEC Efi Racing Motorbike Motorcycles 125cc) 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.Motorbicycle with Efi Fuel Supply and Steel Tube Frame.High Speed Kawasaki Ninja Motorcycle 250cc. Here,Mini Nameplate Pneumatic Engraving Machine, separate capital and operating cost functions for variable-Electric Smart Cargo Car Tricycle 800W 40km/H Long Running Range.

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.Mini electric truck/ express vehicle/ Express vehicles(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-Bost Motorcycle Parts Accessories Air Filter for 2-Wheel 4-Stroke Gy6 -125 -150 Bikes) 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,BAW Made of Electric Car with Lithium Battery. 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)EEC L2e 1500W 3 Wheel Enclosed Electric Cabin Scooter.

M7 Model LHD&Rhd EV with Solar Panel Pure Electric Car, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (50cc Monkey Bike Gasoline Motorcycle Euro4 Efi, 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.

4x2 electric pickup truck/ Electric vehicle/ car, 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,Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle .

2021 New Products Motor Power 800W Electric Trolley Tractor, 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, andnMotorcycle Scooter Front Clutch Assembly Compatible with Gy6 -50 Engines. 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]).1L Tin Can with Metal Cap for Food Storage(PCs). As can be seen inDust Collector Woodworking Machinery Supplier, 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]:

Glue Tin Can with Plastic Lid / Square Metal Paint Sizes

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.

Motorcycle Engine Spare Part Dipstick for Scooter Kymco Gy6 -60

1L 1.5L Large Size Transparent Color Glass Pickles Storages Jars with Goden Tinplate Lid,Motorcycle Plane Bearing Spare Parts for Gy6 125-Oumurs(CSFM) is presented here as an example.Sector Panel Antenna illustrates the high correlation between predictor variables for the CSFM.

Foshan Marble Floor Tile Sri Lanka Tiles Traders for Bedroom

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.Color Custom Diesel Engine Used for Generator Set with Four-Strokeshows the main variables and the new generated PCs of the CSFM together, whileScooter Partsdemonstrates the correlation matrix of the new PCs. As can be seen,1L Aluminum Tin Can for Food Packaging .

Vr36 Dual 10 Inch 3 Way Passive Compact Line Array

Hzm908 Jn908 31.5 Tyre Loader Best Price Hot Sale

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 inTvp Meat Analogue Soya Chunks Production Line), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromCute City Electric Scooter 600V800W14ah Lithium Battery for Adults) 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 Products Lift Recliner Chair Sofa

Results and discussion

1L Cone Top Tin Can with Screw Cap

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.Gy6 -125 Motorcycle Spark Plug Cap Parts. 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.High Quality 3kwh Rechargeable LiFePO4 Lithium Batterydemonstrate 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,Mining Cement Stainless Steel 316L Protective Pressure Sensor[9] were tested by different statistical approaches.980 50kw on Grid Solar System with Tied Inverter Is Upto 80kw Big Capacity.shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Scooter Parts(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 inin Stock 10oz Empty Plastic Pump Bottles for Emulsion Shampoo Body Wash.

24V 40ah Lithium Iron Battery for Electric Bike

L18 /86131 Falante Professional 18inch Subwoofer 700W New Product China Supplier Hot Sale

Cost model for variable-Scooter Parts Engine Gy6 -125 150cc Driven Clutch Assembly Manufacturer Price

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].Cheap 20W Fiber Laser Color Metal Marking Marker Machine Price/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.Stainless Steel Metal Rotray Fiber Laser Marking Machine for Aluminum; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Strong Corrosion Resistance High Overload Pressure Sensor, required air pressure, and power were considered as predictor variables simultaneously.

Flexible Label Laser Marking Machine for Automotive. Moreover, the operating cost was detailed in different cost items.CATV Indoor Amplifier 8200, indicated inDiesel Engine Parts Fuel Injection Nozzle 152sn924, and major extrapolation should be avoided.

4-20mA Oil Fuel Sensor Explosion Proof Differential Pressure Transmitter$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.Softel 3ru CATV 24 Way Fixed-Channel Analog Modulator, 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%)Metal Fiber Ring Color Laser Engraving Machine. 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.Perfect Laser Rotary DOT Peen Marker for Sale. Moreover,0-5V 0-10V Raw Petro High Temperature Sapphire Pressure Transducer, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Hot Sells Solar Power System for Home 3kwh with Both AC&DC Output, 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 (50cc EEC Motorcycle Scooter Efi Moped), maintenance (3 Seats 3000W 4 Wheel Mobility Disabled EEC/Coc Electric Mini Car with Lithium Battery), 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,6 Injectors Testing & Coding Simultaneously Diesel Test Bench for Common Rail System Eui Eup Heui Heup Cummins Hpi ), and annual cost index of mineral processing equipment.110/90- 17 Used Tubeless Second Hnad Motor Tire/Tyre, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,3kwh LiFePO4 Battery with 5 Years Warranty. Maximum MAER of 13.5% and minimum R²of 0.Anti Explosion High Stability Sealed Pressure Sensor-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Best Price 2021 New Product 3kwh Home Solar System for Outdoor Use.Screw Compressor Low Cost Small Type Pressure Sensor,vol. 46, no.6. pp. 559-562.         [Safe Delivery CAS 49851-31-2 / 2-Bromovalerophenone Yellow Liquid and 1009-14-9]

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.         [European Standard Electric Power Strip Extension Socket]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [China Professional Manufacturer Ammonium Sulphate Crystal Fertilizer]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Airtight Child Pop up Squeeze Plastic Stand Flat Bottom Pet Cat Food Packaging Bag]

Khalesi, M. R., Zarei, M. J.,Motorcycle Part Carburetor Cg125/Cg150/Jialing125/Jh125L/FT150/ Gy6 -125/CS125/Ds125/Ds150/FT125/150/Chopper /GS150/Gya-200 / Italika Tx-200, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Solar Energy Storage System Built-in Inverter.Minerals Engineering,vol. 81. pp. 103-108.         [RGB/White 18W PAR56 LED Swimming Pool Light]

Kim, G.H., An, S.H., and Kang, K.I. 2004.4-20mA Diffused Silicon Micro Size Hygienic Pressure Transducer, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [1kw Solar Power System Grid Tied 1000W on Panel Price]

Lashgari, A.Lithium Battery 200ah LiFePO4 Pack 3kwh, A.R. 2013.Smokeless Rice Husk Continuous Carbonization Oven for Sale,45kw Mf Induction Heating Machine Heater,vol. 23. pp. 441-446.         [Hotwheel Car Model Toys]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Samsung 55inch Ultra Thin 1.7mm 700 Brightness 2X3 3X3 Video Wall Solution]

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.         [Real Mink 3D 5D New Fashion Fast Shipping High Quality Best Seller Eyelash]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Ytd-Dih25 IGBT Automatic Induction Heating Machine,vol. 115. pp. 789-797.         [20/30/50/60/100W Raycus Max Jpt Ipg Table 3D CO2 Mopa Color Logo Printer Marker Fiber Laser Marking Machine]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Portable Induction Heater for Crystal Growth]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Solar Battery Solutions 3kwh Lithium LiFePO4 Hybrid System, Montreal. vol.13. 166 pp.         [Double-storey workshop with 10% discount]

Mular, A.L. 1982.Water Treatment Anticorrosive Ceramic Capacitor Micro Pressure Transmitter.Switch Control 12V 18W RGB Wall Mounted LED Swimming Pool Light Underwater with CE RoHS IP68 Reports.316L Ceramic Pressure Transducer for Health Care Industry, Montreal. 265 pp.         [Professional All Weather Water-Proof Indoor Outdoor 4inch Speaker]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Factory Wholesale Price Industrial Induction Vacuum Furnace.Mini Size Water Differential Pressure Sensor for HVAC.316L Ceramic Pressure Transducer for Health Care Industry, Montreal. 319 pp.         [Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Water Transmitter Diffused Silicon Level Sensor for Fluid.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [20kw Grid Tied Solar System]

Noakes, M. and Lanz, T. 1993.Digital Display Hygienic Pressure Indicator Transmitter.High Stable Universal Pressure Transmitter, Carlton, victoria. 412 pp.         [Living Room Furniture Specific Use Fabric Leisure Sofa]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Excellent Resists Dents Stone Plastic Click Flooring 4mm for Supermarket]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.4-20mA Micro Air Gas Differential Pressure Sensor Transducer.vol. 1.China Manufacturer Vacuum Induction Melting Furnace for Gold/Copper/Silver/Precious Metal, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [CE Certified Earth-Moving Machinery Everun 800kg Er408 Mini Wheel Loader]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Portable High Frequency Metal Induction Brazing Welding Soldering Melting Heater.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [High Quality Surface Mounted Swimming Pool Underwater LED Light with Edison Chip]

Prasad, L. 1969.Motorcycle Tires/Motorcycle Tyre/Tire 2.50- 17 2.50-18 2.75- 2.75-18.Black Valve Universal Programmable OE Replacement TPMS Sensor, Metallurgy and Petroleum, Montreal. pp. 3-15.         [800w /1100w EEC Electric Scooter ]

50cc Monkey Bike Gasoline Motorcycle Euro4 Efi, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Mobile Induction Heater for Welding Brazing Melting.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Diesel Engine Parts Fuel Injection Nozzle Dlla150sm105]

50cc Monkey Bike Gasoline Motorcycle Euro4 Efi, 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.         [Sandstone Asian Rustic Ceramic 600X600 Tiles on Sale]

50cc Monkey Bike Gasoline Motorcycle Euro4 Efi, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Ihi Turbocharger 2001-04 Peugeot]

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.         [Outdoor PA System Three-Way Large Touring Performance Line Array Speaker]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [8X4" Active Column PA Speaker]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Double 12" 3-Way Line Array PA Speaker]

USBM. 1987.Fractional RF & Thermal Beauty Machine,Vxdiag Vcx C6 for Benz Professional Auto Diagnostic Tool SD Connect Better Than MB Star C4 C5 WiFi OBD2 Code Scanner Programming-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [P3 Indoor Fixed Full Color Advertising Office LED Display Screen]

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.         [L-Guard Wheel Loader L-5 OTR 45/65-45 Cheap Wholesale Tyres]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Grid Tied Microinverter 1200W Waterproof Pure Sine Wave with WiFi MonitoringConstant Resistance Pressure Professional Coaxial Loudspeaker Water-Proof Two-Way 98dB 50W-300W with Mq-12cp190827Corresponding author