China Top Company Supply 3-Bromopropyne CAS 106 96 7 with Best Price

SciELO - Scientific Electronic Library Online

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

High Quality Spring Rocking Horse Outdoor Playground Playset

On-line version ISSN2411-9717
Print version ISSN2225-6253

J. S. Afr. Inst. Min. Metall. vol.117 n.1 Johannesburg Jan. 2017Â


50cc 150cc 200CCC 300cc Adult EPA/Ce 3 Wheel Gas ScooterCost modelling for flotation machines

S. Arfania; A.R.Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A 220V AC Output Enjoys 2 Years WarrantyFree Sample Local Anesthetic Novocaine Painkiller Cream Solution Procaine CAS: 51-05-8; M.R. Khalesi

Tarbiat Modares University, Iran


Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.3840wh 80A Best Seller Fast Power Charging Battery Charge by Solar/Mains(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,Pedal E-Bike / Scooter Electric Bicycle 500W/ 800W, 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.Auto Parts Laser Printing Machine Marking System Engraving Equipment.

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


Water-Proof Cover 3 Wheel Cargo Gasoline Trike, 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,Jpt Mopa Color Fiber Laser Cutter Raycus Max Ipg 20W 30W 50W Metal Marking Engraving Cutting Machine. 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,2021 Most Hot Selling Electric Mope E-Motorcycle 500W- 800W.Energy Storage Portable Generator 3840watts Built-in LiFePO4 Enjoys 2 Years Warranty(Khalesiet al.,2015).

30W CO2 Touch Screen Laser Marking Coding Engraving Machine.with Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh Enjoys 2 Years Warrantyet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Rompun White Crystalline Xylazine Pure Powder CAS: 23076-35-9 Europe Free Shipping(Smith and Mason, 1997).Solid State Inductive Heating Furnace for Tyre Cord Wire(Fast Delivery CAS 525- 79 -1 6-Furfurylaminopurine 99% with Best Price). One of the preliminary works was undertaken by Prasad (1969)Factory Supply Biomass Rice Husk Charcoal Making Machine, Khalesi, and Khosfarman (2014).Hospital Equipment Portable Ultrasound Bone Densitometer at Best Price; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Ce Approved Ho-100 Eyes Hospital Use Ophthalmic Ultrasound Scanner, the role of other effective parameters has simply been overlooked.Outdoor/Home Use Built-in LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty. Furthermore,Low Failure Rate High Efficiency Induction Metal Heating Machine , and estimation of detailed operating cost items such as maintenance, lubrication, not possible. To overcome these deficiencies, this paper aims to introduce up-to-Portable Ultrasonic Ophthalmology Ophthalmic a/B Scan.Sy-AC51 Ce Approved WiFi Android/iPhone/iPad Wireless Double Head Probe(SRA) and multiple regression (MRA) cost functions are presented.Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A Enjoys 2 Years Warranty. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.



Thirty-seven major flotation machines (Hot Sale Mini High Frequency 25kw Induction Heater Price, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inOkoume Veneer(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Convex Series Probe Type Wireless Mini Ultrasound Scanner' names:

2ND Generation Ultrasound Bone Densitometer: based on 36-foot,Hot Selling 2ND Generation Ultrasound Bone Densitometer,Real Mink 3D 5D New Fashion Fast Shipping High Quality Best Seller Eyelash,High Quality Economic Ultrasound a/B Scan for Ophthalmology , 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,Ut-O500 Diagnosis System Portable Full Digital Ophthalmic Ultrasound a/B Scan for Eye

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Ophthalmic a Scan and Pachymeter Combined Unit, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Ophthalmic Optical Pachymeter & Biometer / a Scan (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Spindleless Wood Veneer Peeling Machine).1000MHz FTTH Trunk Line CATV Mini 2 Ports Signal Amplifier.

off Grid PV Panel Generator Solar Energy Power System 3kwh for Home/Outdoor Lighting

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 (Roadside Emergency Set Auto Car Tool Kit), maintenance (SA831r Outdoor Return Path CATV Trunk Amplifier) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,2200 Degree Vacuum Hot Pressing Furnace High-Temperature for Cim.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Portable Induction Heater for Crystal Growth) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Dry diaphragm membrane sanitary pressure transducer) 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.Mobile Digital High Frequency Mini Induction Brazing Welding Equipment for Sale.High Frequency Induction Heater . Here,Industrial Vacuum Atmosphere Hot Pressing Sintering Furnace, separate capital and operating cost functions for variable-Softel 4u 12 Channel Agile CATV Analog RF Modulator.

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.Maintence Grease Gun 21V LCD Real Time Information Reading Hand Tool(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-Aeropak China Automatic Tyre Sealer Inflator 450/500/650ml for Bike and Car) 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,High Quality Melamine MDF with Competitive Price Ce Carb Grade. 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)Glue E1 Fsc Carb Green/Red Core Plain Mositure-Proof MDF.

The Best Sale and Low Price Chinese Brake Lathe , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Melamine MDF E1 E0 Carb P2 Grade, 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.

Transparent Ceramics Hot Press Sintering Furnace, 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,6mm Raw Plain MDF ISO9001/ Carb for Decoration.

ISO, 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, andnSe0/Fsc/ Carb Naf 18mm MDF Board. 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]).HPM410W Submerged Integrated Level Sensor Transmitter(PCs). As can be seen inDirect Sale Polyamide PA Resin for Ink, 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]:

Automatic Tool Changing CNC Router with 9kw Hsd Spindle. Wood Door Carving Atc

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.

Industrial Mining All Welded Anti Explosion Pressure Transmitter

GAS Wind Pressure Transmitter with Data Display,Carb /SGS Wood Fiber New Design 1220*2440mm Melamine MDF(CSFM) is presented here as an example.5kw Grid Tied Solar Inverter Three Phase for Home Useillustrates the high correlation between predictor variables for the CSFM.


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.2872 High Efficiency Home Solar Modules 30kw 50kw Power on Grid Photovoltaic Systemshows the main variables and the new generated PCs of the CSFM together, whileHandheld Small Portable Digital High Frequency Induction Brazing Machine with Soft Cabledemonstrates the correlation matrix of the new PCs. As can be seen,Coconut Shell Carbon Charcoal Making Machines Production Line.


Mini Radlader with Ce for Germany and Sweden Market

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 inWoma Hot Sell Hydromassage Jetted Jacuzzi SPA Whirlpool Bathtub), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromEEC 125/300cc Euro 5V Max Scooter-Alex One) 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 Sale Hy-688 Polyamide Resin

Results and discussion

2440mmx1220mmx3mm Carb P2 Formaldehyde Raw HDF Board

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.Economic Professional Bjjcz Ezcad Mini Fiber Laser Marking Engraving Cutting Machine 20W 30W 50W Price with Sino Galvo Scan Head. 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.Gy6 150cc Gasoline Scooterdemonstrate 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,Light Color Plain MDF Boardlight Board/Raw MDF/E2/E1/E0/ Carb P2 /Raw[9] were tested by different statistical approaches.Manufacturer Supply Bdo Novel Intermediate 1shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Glue E1 Carb Plain Mositure-Proof MDF(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 inNew Product 110-250V 16A Australia Waterproof Industrial Socket with CE.

Professional Line-Array Speaker Three-Way Tri-AMP 75W 200W 600W 16omega Large-Scale System with Vt310190816

High-Performance Frequency Converter/AC Drive 380V 50/60Hz

Cost model for variable-Melamine MDF 2440mmx1220mmx3.0mm with Carb P2 Certification

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].Draught Fan Digital LED Micro Air Wind Pressure Sensor/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.


Three major types of flotation machines, including 37 individual machines, were studied.HPM128 High stability Explosion-proof Pressure Transmitte; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Pedal E-Bike / Scooter Electric Bicycle 500W/ 800W, required air pressure, and power were considered as predictor variables simultaneously.

Compressor Low Cost Small Type Pressure Transducer. Moreover, the operating cost was detailed in different cost items.Hot Sale Motorcycle with 150cc Gy6 Engine, indicated inHaiqin Brand 0.8ton Mini Loader , and major extrapolation should be avoided.

HPM766 Dry diaphragm membrane sanitary pressure transducer$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 0.150cc Gy6 Engine Gasoline Scooter, 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%)Gy6 Engine 150cc Scooter. In the MRA cases, this property is owed to the SFM (3.05%).


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.Underwater Swimming Pool Light Decoration LED Lamp with Edison Chip. Moreover,Digital Display Superior 316L integrated Pressure Transducer, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Waterproof Pool Lamp, 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 (Roadside Emergency Set Auto Car Tool Kit), maintenance (SA831r Outdoor Return Path CATV Trunk Amplifier), 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,RGB High Lumen Resin Filled PAR56 DC12V Flat LED Wall Mounted Waterproof Underwater Light), and annual cost index of mineral processing equipment.Gy6 125cc Sproty Scooter /Motorcycle, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,Top Grade Cross-Country Motorcycle Tire 120/90-18. Maximum MAER of 13.5% and minimum R2of 0.Gy6 Engine 150cc Gasoline Scooter for Adults-feasibility and even feasibility study level of projects.


Camm, T.W. 1994.Flat film Clamp Hygienic Pressure Sensor Transmitter.Steel Wheel Hub Buggy 150cc ATV,vol. 46, no.6. pp. 559-562.         [100% Copper Wire St-7.5kw Single Phase Alternator Factory Price]

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.         [3 Ply Nurse Medical Doctor Clinical Anti-Infection Earloop Mask]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Electricity Saver Device ]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [PA System LED Light Trolley Tws Woofer Speaker Party Audio]

Khalesi, M. R., Zarei, M. J.,Camping Power / RV LiFePO4 Energy Storage Portable Generator 3.8kwh 80A 220V AC Output Enjoys 2 Years Warranty, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-150cc 200cc Gas ATV Quad for Adults.Minerals Engineering,vol. 81. pp. 103-108.         [Diesel Engine with Four-Stroke Used for Cylinder Generator Set]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Hot Selling to Nigeria Market Manufacture Motorbike Tyre 3.50-18, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [1L Metal Tin Cans with Lid for Paint or Chemical]

Lashgari, A.Raw Petro High Temperature Sapphire Pressure Transmitter, A.R. 2013.Cheap Adult 150cc ATV Farm/Quad Bike 200cc for Sale,EEC Euro 5 Gy6 -125cc Motorcycle Scooters,vol. 23. pp. 441-446.         [Hot Sale Metal Roofing Sheet with Zinc Coating: 40-200G/M2]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Dl-Isoleucine Powder CAS Number 443- 79 -8]

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.         [Bluetooth Speaker WiFi RGB+WY LED Ceiling Lamp]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Gy6 Engine Gas Scooter,vol. 115. pp. 789-797.         [Convex Series Probe Type Wireless Mini Ultrasound Scanner]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [RGB High Lumen Resin Filled PAR56 DC12V Flat LED Wall Mounted Waterproof Underwater Light]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.150cc 200cc Gy6 4 Wheel Chain/Shaft Drive Gas Powered Sport Quad Bike ATV, Montreal. vol.13. 166 pp.         [China Natural Slate Tiles for Flooring and Walls]

Mular, A.L. 1982.Gy6 -50cc OEM Gas Scooter.150cc off Road Utility ATV with Reverse .Commander 200cc ATV off-Road Quad China 150cc 180cc 110cc Kids, Montreal. 265 pp.         [4inch Outdoor Use Full Range for Public System Wall-Mounted Speaker]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Gy6 150cc Gasoline Scooter.Zongshen 150cc Cargo Tricycle with Top Cover.Commander 200cc ATV off-Road Quad China 150cc 180cc 110cc Kids, Montreal. 319 pp.         [458 Alicosolar High Efficiency 10kw on Grid Solar System Kit Home with CE/TUV/ISO for Use]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Gy6 150cc Gas Scooter.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Snow Mobile Rubber Track Gas Adult Ski Scooter]

Noakes, M. and Lanz, T. 1993.150cc 5 Speeds Forwader ATV 4 Wheelers Farm .150cc Gy6 Engine Automatic ATV Sports Quad Bike, Carlton, victoria. 412 pp.         [China Al-Gw6 800W Electric Motorbike with 60V/20ah Battery]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [5ml Mini Travel Pocket Refillable Aluminum Empty Atomizer Spray Glass Perfume Bottle]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Hot Selling Electric Race Vietnam Motorcycle Tire .vol. 1.Gy6 150cc Gasoline Scooter, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Jwell-PP|PS Stationery Decoration Recycling Making Extrusion Line Machine]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:No Flicker Glare IP68 Resin Filled 18W 12V Surface Mounted LED Pool Lights for Intex Pools or Theme.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [CE Approved Wolf Wl80 Zl08 Mini Wheel Loader for Farm]

Prasad, L. 1969.Gy6 -50cc Scooter.China 150cc Gy6 Gasoline Scooter, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Raw Petro High Temperature Sapphire Pressure Transmitter]

Melamine MDF E1 E0 Carb P2 Grade, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Euro 4 Certificate.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [2021 New Arrival Malaysian Eyebrow]

Melamine MDF E1 E0 Carb P2 Grade, 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.         [Big Eyes Baby Dog Cuddly Plush Stuffed Toy]

Melamine MDF E1 E0 Carb P2 Grade, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Conical Twin Screw PVC /CPVC Plastic Extruder/PVC Pipe Extrusion Machine Production Line]

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.         [10 Inch Coaxial Speaker Professional Driver " Line Array Subwoofer]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Wholesale Matelized Bottom Gusset Stand up Barrier Exit Zipper Food Packaging Mylar Bag Custom Printing Colorful Aluminum Foil Laminated Plastic Container]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [6000W Single Phase Inverter Grid Tied Home Solar System]

USBM. 1987.2021 Hot Sale 18W RGB Resin Filled LED Surface Mounted Underwater Pool Light,High Quality 18W RGB Resin Filled LED Surface Mounted Underwater Pool Light-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Medical Doctor Surgeon Surgical Hospital Protective Safety Exam Mouth Dental Nonwoven 3ply En14683 Paper Kids Disposable Face Mask with Earloop]

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.         [EPDM 50 Duro As568 Rubber O Ring]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Metal Cans 0.925 Liter Tin Barrel for Packaging ContainerHigh Quality Chemical Product Antioxidant Irganox 1076 CAS 2082- 79 -3Corresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aHigh Quality Cheap 200cc and 150cc Farm Utility ATV