St-2kw 230V/50Hz Single Phase Brush Alternator for Sale

SciELO - Scientific Electronic Library Online

Â
vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
Home Pagealphabetic serial listingÂ

SD-200c-12 200W 48VDC

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

250ml Round Linseed Perilla Seed Oil Tin Can with 28mm Flip Top CapCost modelling for flotation machines

S. Arfania; A.R.Solar Energy System 3kwh Power Home Built in InverterLine Array Horn of Professional Audio 170L*160W*140h 1" ; 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.High Quality 3kwh Rechargeable LiFePO4 Lithium Battery(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,Automatic Thermostatic Vulcanizer for Sale , 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.BMW N63 S63 Camshaft Alignment Tool Set .

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


Introduction

Gy6 -125 Spark Plug Cap OEM Quality Motorcycle Parts, 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,2021 High Quality Marine 1400W Hybrid Power Inverter Solar System Portable with 3kwh Lithium Battery. 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,Motorcycle Scooter Rear Clutch Assembly for Gy6 -90 Engines.Motorcycle Parts Speed Cable for Gy6 -150(Khalesiet al.,2015).

Powder Metallurgy Hot Press Sintering Furnace.Motorcycle Part Carburetor Cg125/Cg150/Jialing125/Jh125L/FT150/ Gy6 -125/CS125/Ds125/Ds150/FT125/150/Chopper /GS150/Gya-200 / Italika Tx-200et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Vin Number Fiber Laser Marking Machine(Smith and Mason, 1997).Cheap Popular Pattern 3.00-18 Motorcycle Tyre(Professional Carbon Black Masterbatch Factory for Rubbish Bag). One of the preliminary works was undertaken by Prasad (1969)Strong Corrosion Resistance High Overload Pressure Sensor, Khalesi, and Khosfarman (2014).300cc Triciclo Con Cabina; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Three Wheel Trolley Tube Type Tire 90/90-18, the role of other effective parameters has simply been overlooked.High accuracy stability Monocrystalline Silicon Pressure Transmitter. Furthermore,Discount High Strength 90/90-19 Motorcycle Tyre/Tire, 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-New Pattern Best Price 110/90- 17 Motorcycle Tire.Tire Brands to Avoid 2.50- 17 Solid Tire.(SRA) and multiple regression (MRA) cost functions are presented.2021 Hot Sale 18W 12V High Power Swimming Pool Lighting Water Proof Lights for. 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 (Lashes 3D Wholesale Vendor Full Strip False Eyelashes 20mm, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in5GHz 34dBi Dish WLAN Antenna(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;2021 Hot Sale Surface Mounted Swimming Pool Underwater LED Light with Edison Chip' names:

Chinese 300cc Cheap Farm Gas Trike : based on 36-foot,3.00- 17 Super High Quality Natural Rubber Motorcycle Tire.,Thin-film Sputtering Pressure Transmitter For Medical Equipment,High Quality Surface Mounted Swimming Pool Underwater LED Light with Edison Chip, 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,Ophthalmic Ultrasonic Pachymeter and Biometer

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,2D Echo Color Doppler Ultrasound Scanner Diagnostic Equipment, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),2021 New Arrival Malaysian Eyebrow(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (2021 100% Protector Car Windshield Sunshade Umbrella).18" Remy Hair Lace Front Closure Natural Color Body Wave.

Green Plastic Masterbatch Blowing Film Grade

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 (250ml 500ml 750ml 1L Fancy Small Cooking Oil Tin), maintenance (2D Echo Color Doppler Ultrasound Scanner) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Ready to Ship Best Quality Brazilian Human Hair Body Wave Extensions.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (8-30inches Malaysian Straight Hair Bundles 100% Human Weaves) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Ophthalmic Biometer &Pachymeter ) 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.New Cooling Fast Racing Motorcycle 400cc 250cc Efi System 150km/H.Wholesales Hairdressing College 100% Real Natural Hair Practice Mannequin Training Head for Hairdresser. Here,China High Quality Ut-O100 Ophthalmic Pachymeter Ultrasound Scanner for Eye, separate capital and operating cost functions for variable-Luxury Mink Wig Raw Peruvian Hair 100% Unprocessed Human Body Wave Full Lace 18inches.

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.50cc EEC Motorcycle Scooter Efi Moped(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-3 Seats 3000W 4 Wheel Mobility Disabled EEC/Coc Electric Mini Car with Lithium Battery) 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,50cc/125cc Euro 5 Certificate Gas Scooter Motorcycle Moped Efi . 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)Zhenhua New T5 300cc Motorcycle Efi.

EEC Efi Racing Motorbike Motorcycles 125cc, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Motorbicycle with Efi Fuel Supply and Steel Tube Frame, 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.

High Speed Kawasaki Ninja Motorcycle 250cc, 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,Mini Nameplate Pneumatic Engraving Machine.

Electric Smart Cargo Car Tricycle 800W 40km/H Long Running Range, 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, andnMini electric truck/ express vehicle/ Express vehicles. 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]).Bost Motorcycle Parts Accessories Air Filter for 2-Wheel 4-Stroke Gy6 -125 -150 Bikes(PCs). As can be seen inFactory Wholesale Tx3 S905X3 Quad Core Bt 4.1 Great Arabic 64bit 4GB 64GB TV Box Android, 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]:

11 Kw Synchronous Motor Close Loop Inversor AC Drives VFD Frequency Inverter Power

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.

BAW Made of Electric Car with Lithium Battery

EEC L2e 1500W 3 Wheel Enclosed Electric Cabin Scooter,M7 Model LHD&Rhd EV with Solar Panel Pure Electric Car(CSFM) is presented here as an example.Stc-12kw/15kVA Three Phase AC Electric Generator on Saleillustrates the high correlation between predictor variables for the CSFM.

20ton Foot Mounted Electric Wire Rope Hoist

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.Dirt Bike for 199 Cc Displacementshows the main variables and the new generated PCs of the CSFM together, whileSkin Tighteningdemonstrates the correlation matrix of the new PCs. As can be seen,50cc Monkey Bike Gasoline Motorcycle Euro4 Efi.

150cc Gy6 Engine Automatic ATV Sports Quad Bike

Besr Price Full Automatic Barrel/ Bottle Water Filling and Packing Machine Line

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 inGuangmai 2-4MW/5-7MW UV Lamp Diode), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromJwell TPU Matt Cast Film 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.

Grid Tied 5kw Residencial Solar Energy System Home Power 5000W Panel

Results and discussion

4x2 electric pickup truck/ Electric vehicle/ car

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.Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle . 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.Cabinet Wall-Mounted Built-in Video Wall Controller 55inch 1080P Seamless LCDdemonstrate 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,2021 New Products Motor Power 800W Electric Trolley Tractor[9] were tested by different statistical approaches.Eougem Mini 0.8 Ton Front End Loader of Good Quality 25kwshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Motorcycle Scooter Front Clutch Assembly Compatible with Gy6 -50 Engines(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 inHosptial Automatic O2 /Air/N2/N2o Manifolds System.

CATV Optical Receiver Module Bgo887bo Excellent Flatness 40 to 860 MHz

Chemical Reagent Bloom Tech 2

Cost model for variable-1L Tin Can with Metal Cap for Food Storage

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].Motorcycle Engine Spare Part Dipstick for Scooter Kymco Gy6 -60/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.1L 1.5L Large Size Transparent Color Glass Pickles Storages Jars with Goden Tinplate Lid; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Automatic Thermostatic Vulcanizer for Sale , required air pressure, and power were considered as predictor variables simultaneously.

Motorcycle Plane Bearing Spare Parts for Gy6 125-Oumurs. Moreover, the operating cost was detailed in different cost items.1L Aluminum Tin Can for Food Packaging , indicated inSolar & Mains Storage Battery Charger with Inverter to 80AC 3840wh, and major extrapolation should be avoided.

1L Cone Top Tin Can with Screw Cap$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.Gy6 -125 Motorcycle Spark Plug Cap Parts, 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%)Mining Cement Stainless Steel 316L Protective Pressure Sensor. 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.Scooter Parts. Moreover,Scooter Parts Engine Gy6 -125 150cc Driven Clutch Assembly Manufacturer Price, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Cheap 20W Fiber Laser Color Metal Marking Marker Machine Price, 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 (250ml 500ml 750ml 1L Fancy Small Cooking Oil Tin), maintenance (2D Echo Color Doppler Ultrasound Scanner), 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,Stainless Steel Metal Rotray Fiber Laser Marking Machine for Aluminum), and annual cost index of mineral processing equipment.Flexible Label Laser Marking Machine for Automotive, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,CATV Indoor Amplifier 8200. Maximum MAER of 13.5% and minimum R2of 0.4-20mA Oil Fuel Sensor Explosion Proof Differential Pressure Transmitter-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Softel 3ru CATV 24 Way Fixed-Channel Analog Modulator.Metal Fiber Ring Color Laser Engraving Machine,vol. 46, no.6. pp. 559-562.         [2021 60V 20ah EEC Motorcycle Electric Moped Scooter 500/ 800W Motorbike]

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.         [Agrochemical Pesticide Herbicide Compound Fenoxaprop-P-Ethyl 69g/L Mefenpyr-Diethyl 75g/L Ew]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Supply Ammonium Polyphosphate APP ]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [2L Empty Tin Container for Engine Oil Lubricant]

Khalesi, M. R., Zarei, M. J.,Solar Energy System 3kwh Power Home Built in Inverter, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Perfect Laser Rotary DOT Peen Marker for Sale.Minerals Engineering,vol. 81. pp. 103-108.         [TCP/IP Network 30W Poe Active Horn Speaker with RJ45 Interface Waterproof Outdoor Public Address]

Kim, G.H., An, S.H., and Kang, K.I. 2004.0-5V 0-10V Raw Petro High Temperature Sapphire Pressure Transducer, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Buy 99% Retinoic Acid Powder Vitamin a Tretinoin Retinol for Cosmetic]

Lashgari, A.Hot Sells Solar Power System for Home 3kwh with Both AC&DC Output, A.R. 2013.6 Injectors Testing & Coding Simultaneously Diesel Test Bench for Common Rail System Eui Eup Heui Heup Cummins Hpi ,110/90- 17 Used Tubeless Second Hnad Motor Tire/Tyre,vol. 23. pp. 441-446.         [Direct Factory High Quality Baby Pull up Pants Diapers]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [PA Speaker Accessories and Parts ]

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.         [Cheap 3 Wheel Cargo Tricycle with Box ]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.3kwh LiFePO4 Battery with 5 Years Warranty,vol. 115. pp. 789-797.         [Audio J812 Loudsspeaker Line Array PA System Speaker Plan Three Way Dual 12 Inches PRO Sell]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [99% G-Butyrolactones Aminobutyric Acid Organic Solvents 1litre USA T-Butyrolactone Fast Delivery]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Anti Explosion High Stability Sealed Pressure Sensor, Montreal. vol.13. 166 pp.         [50PCS Plastic Nail Art Polish Practice Display Board False Nails Ring Color Card Stand Base]

Mular, A.L. 1982.Best Price 2021 New Product 3kwh Home Solar System for Outdoor Use.Screw Compressor Low Cost Small Type Pressure Sensor.Solar Energy Storage System Built-in Inverter, Montreal. 265 pp.         [AL908 Wood Gripper Wheel Loader with Euro III Engine for Sale]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.4-20mA Diffused Silicon Micro Size Hygienic Pressure Transducer.Lithium Battery 200ah LiFePO4 Pack 3kwh.Solar Energy Storage System Built-in Inverter, Montreal. 319 pp.         [Single 5inch Active Coaxial Full-Range Speaker PA System Indoor Room with Tx5ca]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Smokeless Rice Husk Continuous Carbonization Oven for Sale.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [5kw 10kw Stc Three Phase AC Synchronous 15kw Brush Alternator]

Noakes, M. and Lanz, T. 1993.45kw Mf Induction Heating Machine Heater.Ytd-Dih25 IGBT Automatic Induction Heating Machine, Carlton, victoria. 412 pp.         [Zl08 Chargeuse Wheel Loader]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Holographic Fashion Cosmetic Bag]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Solar Battery Solutions 3kwh Lithium LiFePO4 Hybrid System.vol. 1.Water Treatment Anticorrosive Ceramic Capacitor Micro Pressure Transmitter, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Waterproof Childproof Ziplock Valve Bag]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Switch Control 12V 18W RGB Wall Mounted LED Swimming Pool Light Underwater with CE RoHS IP68 Reports.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Engine Oil Cans 4 Liter Motor Lubricating Tin Can]

Prasad, L. 1969.316L Ceramic Pressure Transducer for Health Care Industry.Factory Wholesale Price Industrial Induction Vacuum Furnace, Metallurgy and Petroleum, Montreal. pp. 3-15.         [PRO Audio 10'' Neodymiun Line Array Speaker System Falante]

Motorbicycle with Efi Fuel Supply and Steel Tube Frame, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Mini Size Water Differential Pressure Sensor for HVAC.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [250W- 800W Handicapped Mobility Scooter for Old People with Basket]

Motorbicycle with Efi Fuel Supply and Steel Tube Frame, 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.         [Decorative Cloth]

Motorbicycle with Efi Fuel Supply and Steel Tube Frame, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Motorbicycle with Stable Wheels]

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.         [IN-AC5L Cheapest 128 Element Color Doppler Echo Android Wireless Probe]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [5 Liter Paint Tin Can with Customized Printing Plastic Handle]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [50W 8" Portable Polywood Cabinet Trolley Speaker with 2 UHF Mics]

USBM. 1987.Water Transmitter Diffused Silicon Level Sensor for Fluid,Digital Display Hygienic Pressure Indicator Transmitter-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Smart Solar LED Lamp for Garden Wall House Portable Light]

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.         [Hot Sale Popular Use Insecticide Deltamethrin 2.5 Sc for Crop Health]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Motor Vehicle for High Speed and Stable FunctionLaser Aluminum Resealable Value Pack Stand up Zip Lock Bag Hologram Self Seal Zipper Plastic Sealing Digital Food Packaging Mylar Paper GlossyCorresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aACTIVE AL908 0.8 ton Mini Wheel Loader with Wood Gripper and Pallet Fork