GENERAL PAPERS

New X96 Mini Android Set Top Box 4K S905W 1GBCost modelling for flotation machines

S. Arfania; A.R.2021 New Design High Purity 18W Underwater LED Swimming Pool Light with Edison ChipBest Factory China Environmentally Friendly 800W CE Certification Electric Motorcycle for Adult; 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.IP67 1000V 3 to 1 PV Mc4 T Branch Solar Connector(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,Portable Fiber Laser Marking Machine for Vin Code/Number, 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 0.1L Empty Round Edilbe Cooking Oil Metal Tin.

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

Introduction

2021 Set Top Box Global Version S922X TV Smart HD Android 9.0 Internet 8K, 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,Max Source Fiber Machine Laser Marking for Vin Number. 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,1L Custom Round Small Metal Empty Tin Cans with Lids.2021 Hot Sale 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warranty(Khalesiet al.,2015).

500W/ 800W Brushless Motor Electric Mobility Scooter for Cargo .1L Microstome Metal Drum Customization Printing Logoet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Outdoor PA System Three-Way Large Touring Performance Line Array Speaker(Smith and Mason, 1997).1L Metal Tin Cans with Lid for Paint or Chemical(New Racing Motorcycle). One of the preliminary works was undertaken by Prasad (1969)Free Sample 5GHz Antenna Rubber Gain, Khalesi, and Khosfarman (2014).Sanland 860MHz 34dB Gain CATV Push-Pull Amplifier Module ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,1L Printed Round Metal Paint Tin Can with Lid, the role of other effective parameters has simply been overlooked.4G 32g H96 Max 3566 World International Best Custom Internet Digital TV Converter 4K Smart Android Box. Furthermore,38mm 42mm CATV Plug in 0~20dB Hfc Attenuator Pad, 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-Round Shape Paint Chemical Coating 1L Metal Tin Can / Canister with Lid.High Quality 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warranty(SRA) and multiple regression (MRA) cost functions are presented.E-Bike / Electric Scooter /Electric Moped 60V/72V 20ah 800W 1kw 2kw. 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 (Sy-A041 Medical Equipment Portable Ophthalmic Ultrasound a/B Scanner, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inWholesale Factory Price High Quality Retinol Palmitate/Vitamin a Palmitate of Cws 250iu/G(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Erbium-Doped Fiber Amplifier Optical Power Adjustable ' names:

►Dirt Bike for 199 Cc Displacement: based on 36-foot,Sab-500 Ophthalmic a/B Scanner,[Softel]Agile Modulator Full Range CATV Agile Tunable Ah-802h,200cc Reverse Wholesale Motor Light Three Wheel Motorcycle , 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,Industrial Energy Saving Device Made in China

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,150cc Enclosed Gasoline Motorized Cargo Trike with Box , blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Xprobe Series Built-in Screen Wireless Probe Type Ultrasound Scanner(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Car Tool Wheel Alignment Wholesale).Power Saver Box Energy.

Sodium Phosphate Monobasic Msp Industrial Grade CAS 7758-80-7

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 (Power Saver Energy Saving Device), maintenance (Power Saver for Industrial ) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Industry Saveing Box .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Industry Saveing Box ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Motorcyle with Bore * Stroke 66*58.2 mm) 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.Electricity Saving Device 600amp .250cc Motor Cabin Tricycle Cargo with Canopy. Here,Safety Cover Full Mini Enclosed Sealed Fiber Laser UV Marking Machine Price, separate capital and operating cost functions for variable-Flexible Label Laser Marking Machine.

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.Flying Laser Marking System Marker(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-800W Color Fashion Electric Motorcycle) 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,20W 30W 50W 150X150mm 200X200mm Lens Metal Steel Fiber Laser Machine. 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)Label Marking Equipment Laser Machine for Car Body Labels.

Electric Bike 800W ODM Mountain Ebike with Powerful Motor, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Latest Electric Scooter 800W Citycoco, 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.

16/24 Channel RF Combiner Passive Mixer, 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,150cc Cheap Open Gas Reverse Trike .

Sport Using Motor Vehicle with Sealed Chain Final Drive, 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, andnGS-a 12mm CATV Fixed RF Attenuator. 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]).250cc 150cc China Enclosed Cabin Tricycle Three Wheel Motorcycle with Cooling Box Container for Sale(PCs). As can be seen in2021 Hot Selling Popular New Cool Type Cheaper Price Chinese Supplier 2 Wheels Electric Scooters E Motos Motorcycles, 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]:

IP68 8W-35W Surface Mounted Blue Color LED Underwater Swimming Light

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.

Automatic High Effective Medical Ultrasound Bone Densitometer

New 50cc Monkey Bike Gasoline Motorcycle Euro 4,China 250cc New 3 Wheel Motorcycle Motor Tricycle(CSFM) is presented here as an example.2021 Hot Sale Surface Mounted Swimming Pool Underwater LED Light with Edison Chipillustrates the high correlation between predictor variables for the CSFM.

Plastic Brooch by Hand

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.Scooter Parts Engine Gy6 -125 150cc Driven Clutch Assembly Manufacturer Priceshows the main variables and the new generated PCs of the CSFM together, whileSolis 3 Phase 10kw 12kw 15kw 20kw Grid- Tied Inverterdemonstrates the correlation matrix of the new PCs. As can be seen,3ru 24 in 1 CATV Fixed Channel Modulator .

Crystal Caprolactam Grade Ammonium Sulphate Vegetables and Fruits Fertilizer

Good Quality Empty 1 Litre Metal Tin Paint Cans with Handle for 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 inTiger Zodiac Ice Sticker), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromKaraoke Voice Reduction Professional Audio Converter Proaudio ) 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.

Hot Melt Adhesive Film & TPU Making Machine

Results and discussion

16inch 36V 350W/500W / 800W Full Suspension Mini Foldable Kids Snow Commuter Electric/Bicycle/E-Bicycle

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.Satellite Ts Encryption HD Receiver with Multiplexing Function. 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.Vimode 2021 New Trend 800W 1000W 1500W China Adult Electric Motorcycle Saledemonstrate 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,Motor Tricycle Three Wheel Cargo Trike for Sale[9] were tested by different statistical approaches.Carb E0 Cabinet Grade 18mm Plywood in High Qualityshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Motorbicycle for Well Done Accessories(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 inKing Quenson Herbicide Clodinafop-Propargyl 95% Tc.

Small Compact Front Wheel Loader / Zl08 Farm Garden Mini

Professional Speaker with Laser Light

Cost model for variable-16 in 1 CATV Modulator Fixed Frequency

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].8 Channels HDMI to DVB-T Modulator/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.Medical Equipment Ho-200 Ophthalmic a/B Ultrasound Scanner; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Portable Fiber Laser Marking Machine for Vin Code/Number, required air pressure, and power were considered as predictor variables simultaneously.

Motor Vehicle for High Speed and Stable Function. Moreover, the operating cost was detailed in different cost items.Outdoor 750MHz One Way CATV Trunk Amplifier , indicated inLaminated for Coffee Cookie Food Packaging Bag Aluminum Medical Stand up Pouch Manufacturer Custom Self-Sealing Plastic Mylar Ziplock Barrier Exit Container, and major extrapolation should be avoided.

China Enclosed Ice Cream Tricycle Three Wheel Cargo with Cooling Box$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.New Racing Motorcycle, 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%)Cheap 3 Wheel Cargo Tricycle with Box . 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.Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital. Moreover,Motorcycle for 1405mm of Wheel Base, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (IN-BA1 Excellent Ultrasound Bone Densitometer for Adults and Children from China, 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 (Power Saver Energy Saving Device), maintenance (Power Saver for Industrial ), 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,5150-5850MHz Sector Panel Antenna with 2*16dBi Gain for Best Design), and annual cost index of mineral processing equipment.China Ophthalmic Equipment, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Hot Sale Jincheng Jc200t-8 Scooter Motorcycle with Good Price. Maximum MAER of 13.5% and minimum R²of 0.China Gas Scooters 2 Stroke Euro 4 125cc Moto Moped Motor EPA 49cc 50cc 150cc EEC Motorcycle Gasoline Scooter-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Best Selling Ophthalmic Ultrasound a/B Scanner Full Digital Touch Screen.Ho-100 Ophthalmic Ultrasound a Scan Pachymeter,vol. 46, no.6. pp. 559-562.         [Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines]

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.         [2012 Strapless Unique Wedding Dress/Wedding Gown]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Waterproof Loudspeaker Wall Mounter 8inch Lt208/Lt208t]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [High Quality Cheap Classic Light Mini Reverse Three Wheel Motorcycle ]

Khalesi, M. R., Zarei, M. J.,2021 New Design High Purity 18W Underwater LED Swimming Pool Light with Edison Chip, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Sy-AC51 Best Price 128 Elements Wireless Probe with Color Doppler.Minerals Engineering,vol. 81. pp. 103-108.         [Mars Solar 30kw Power System on Grid Tied Micro Sine Wave Inverter]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Innopack 1L Square Engine Oil Tin Can with Screw Cap Manufacturer, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Quality 18mm Carb Birch Okoumen Plywood]

Lashgari, A.1L Round Tin Pail with Sealed Lid and Plastic Handle for Paint Use, A.R. 2013.5GHz Antenna High Gain 29dBi,2.4- 5GHz MIMO Omni Antenna with 2.4G Network System,vol. 23. pp. 441-446.         [Outdoor 6W -120W Integrated All in One Solar Garden LED Street Light]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Yn725g Yineng Mini Wheel Loader]

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.         [20 mm 20mm PVC Pipe Machine]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Sector Antenna 5GHz,vol. 115. pp. 789-797.         [Nordic Leather Sofa Modern Simple Three Seats]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Pin Machine Suppliers Marker Systems]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Mini Wheel Loader Small Dumper Hoflader Wolf Zl08, Montreal. vol.13. 166 pp.         [Prochloraz 52.5�/45�/45% EW /25%ME/50%WP]

Mular, A.L. 1982.2.4G- 5GHz Fiberglass Omni Antenna with 8dBi Gain WLAN/WiFi.2.4- 5GHz MIMO Omni Antenna with 11dBi.2.4- 5GHz Omni Antenna , Montreal. 265 pp.         [HF-LPD100 2.4/5G Dual Band SMT Package IOT Module WiFi]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 29.5-25.1L Tin Can for Oil.2.4- 5GHz Omni Antenna , Montreal. 319 pp.         [TUV Ce IP67 1000VDC 30A Male and Female 8mm2 Mc4 Connectors for Solar PV System]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Trade Peak Lowest Price for 150cc ATV.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Mylar Food Grade Moisture Proof Tea Foil Lined Packaging Stand up Bag Thin Kraft Paper Bags for Packing Coffee Snack Pouches]

Noakes, M. and Lanz, T. 1993.L-Guard Factory L-5 OTR Tires 23.5-25 P. R. 20.2021 New China Adult Tricycle Motor Cargo for Sale, Carlton, victoria. 412 pp.         [Mixer Power Amplifier with USB]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [IP66 Solar Outdoor Garden Lights LED Park Lamp]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Wholesale China High Quality OTR Tyre 17.5-25 G2 Pattern..vol. 1.Suzhou Innopack 1L Metal Rectangular Tin with Screw Cap in Low Price, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [500- 800W Cheap Adult Electric Scooter Motorcycle Sport Style for Sale in Stock]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Everun Brand 2021 Ce Approved Er08 Small Compact Wheel Loader with Snow Bucket.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Vrx932la Compact Line Array Speaker System]

Prasad, L. 1969.2021 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, Metallurgy and Petroleum, Montreal. pp. 3-15.         [AAA Grade 0.9mm Poplar Core/Veneer for Plywood/Furniture]

Latest Electric Scooter 800W Citycoco, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-40*160 mm Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coder.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Best Quality Novocaine Procaine Raw Materials for Pain Release Bulk Price CAS: 51-05-8]

Latest Electric Scooter 800W Citycoco, 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.         [Crystal Glass Pillar Trophy Award]

Latest Electric Scooter 800W Citycoco, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Rotary Cut Bintagor Veneer for Panels and Furniture with Good Price]

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.         [125cc Scooter EEC Popular Motor Alex]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Yn725 Yineng Mini Wheel Loader 18.5kw Cabin]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [DC 1000V Mc4 Cable Connectors ]

USBM. 1987.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-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [P2.5 320*160mm 1/32 Scan Indoor Full Color Rental LED Display for Meeting Room]

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.         [Cheap Factory Price China Supplier 1000W Adult Electric Scooters/Electric Motorcycle for Sale]

Paper received Apr. 2015
Revised paper Received Jul. 2016

PA System Single 18" Sub Bass Speaker Low Pitch Subwoofer with Wa118Passive Single 12'' Line Array Loudspeaker Sound SystemCorresponding author