GENERAL PAPERS

Hot Sale Factory Direct Cheap New Model Electric Bicycle Convenient Motorcycle Best Price in CKD forCost modelling for flotation machines

S. Arfania; A.R.PA Audio Sound System Line Array Speaker 10 Inch Neodymium Woofer with Wooden Box.Co-Solvent Polyamide Resin for Untreated Film Printing Ink; 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.7.5kVA St Series Single Phase Generator (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,Wholesale 8inch 10inch 12 Inch 15inch DJ Speakers Professional Stage Audio, 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 0.2 Way Passive 10 " Professional PRO Audio PA Line Array.

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

Introduction

Stc Series Three Phase Dynamo Generator , 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,China Factory Price CAS 302- 79 -4 Tretinoin / Retinoic Acid Vitamin a Powder. 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,Stc Series Three Phase Dynamo Generator .CAS: 74- 79 -3 Amino Acid L-Arginine(Khalesiet al.,2015).

Glycolic Acid Cosmetic Grade CAS 79 -14-1 /a-Hydroxyacetic.St-10kw/kVA Single Phase Brush Type Electric Generatoret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 4'' Installation Professional Waterproof Speaker(Smith and Mason, 1997).Stc-50kw/62.5kVA Three Phase AC Brush Alternator for Diesel Generator(New Products Lift Recliner Chair Sofa ). One of the preliminary works was undertaken by Prasad (1969)Veterinary Use Bulk Pirce of Oxytetracycline CAS: 79 -57-2, Khalesi, and Khosfarman (2014).100% Copper Wire St-7.5kw Single Phase Alternator Factory Price; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,100% Copper Wire St-5kw Single Phase Brush Generator, the role of other effective parameters has simply been overlooked.Home Theater Speaker. Furthermore,Dual 6" Coaxial Full Range Speaker for Entertainment Room, 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-12inch Stage Monitor Speaker.KTV Single 8" Full Range Audio&Sets(SRA) and multiple regression (MRA) cost functions are presented.St-2kw 230V/50Hz Single Phase Brush Alternator for Sale. 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 (Stc-12kw/15kVA Three Phase AC Electric Generator on Sale, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inChina Manufacturer 5000W Grid Tied Home Solar Energy System Low Cost(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;St 5kw Single Phase AC Electric Alternator Generator' names:

►Wilson Parts Eim Module Engine Interface 258 -9753 2589755 Control: based on 36-foot,258 -9754 Electric Engine Interface Moudle 12V Eim Basic,12inch Loudspeakers Professional Stage Outdoor Speaker Full Range Audio,Android Digital Signage Intelligent Hand Sanitizer Display, 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,55 Inch Outdoor Double-Side LCD Display Self Service Airport Kiosk Touch Screen Multimedia Information

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,New Brand Diesel Engine with Four Stroke Multy-Cylinder Used for Generator Set, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),LCD Digital Signage 21.5 Inch Automatic Induction Hand Sanitizer Billboards(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Metal Charms Tags Pendants Alloy Charm Heart Stainless Steel Essential Oil Diffuser Floating Locket).43" Dual Screen LCD Ad Player Full HD Double Display All in One No Touch Android Advertise System.

Deisel Engine for Silent Power Generator with 6-Cylinder

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 (Factory Wholesale Water Cooled Four Strike Diesel Engine Cylinder for Generator), maintenance (10 " Woofer Speaker) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,High Brightness Stand Alone Advertising Kiosk for Government.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Factory Nitrogen Fertilizer Ammonium Sulphate 20.5%N Steel Grade for Agriculture) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (High Speed 258kw 6 Cylinder Industrial Diesel Engine for Electric) 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.21% Fertilizer Ammonium Sulphate Caprolactam Grade Crystalline.Super Quality and Best Price Nitrogen Fertilizer Ammonium Sulfate N21%. Here,Water Cooled Diesel Engine Color Custom for Power Generator Set, separate capital and operating cost functions for variable-Direct Injection Diesel Engine with 6-Cylinder 4-Stroke Used for Electric Generator Sets.

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.Nitrogen Fertilizers Agriculture N20.5% Granular Ammonium Sulphate(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-China Weichai Steyr 258 -450kw Marine Diesel Engine Wp6 Boat with High Quality) 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,White Crystalline Ammonium Sulphate for Compound Fertilizer. 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)Deisel Engine for Silent Power Generator with 6-Cylinder.

in Line Multy-Cylinder Diesel Engine for Power Generator Set, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (6-Cylinder Diesel Engine Water Coolant for Electric Generator Set, 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.

in Line Direct Injection Diesel Engine Used for Generator Set, 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,Color Custom Diesel Engine with Four-Stroke for Gensets.

6-Cylinder Diesel Engine with Four-Strke for Silent Generator Set, 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, andnDiesel Engine with Four-Stroke Used for Cylinder Generator Set. 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]).Direct Injection Water Cooled Diesel Engine for Generator Set(PCs). As can be seen in2021 Selling The Best Quality Cost-Effective Products LED Swimming Pool Light with Two Years Warranty, 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]:

Gt1541V 704765-0003/708450-0018 Turbine Wheel Shaft for 700960-0011

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.

Water Cooled Cylinder Diesel Engine Used for Generator Set

Nitrogen 21% Granular Fertilizer Ammonium Sulphate,China Professional Manufacturer Ammonium Sulphate Crystal Fertilizer(CSFM) is presented here as an example.43''46''55''65''75'' Commercial LCD Screen Display Full Color Waterproof Sunglight Readable Android Touch Monitor Kioskillustrates the high correlation between predictor variables for the CSFM.

Professional Travel Sports Camping Climbing Laptop Waterproof Bag Backpack

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.Professional Powered Line Array Selfpowered Speakers Active Systemshows the main variables and the new generated PCs of the CSFM together, while2021 Hot Sale 18W RGB Resin Filled LED Surface Mounted Underwater Pool Lightdemonstrates the correlation matrix of the new PCs. As can be seen,Best Price Fertilizer Ammonium Sulphate N21% Min.

Seal Kits Hyundai R210-7 Boom Cyl Arm Bucketcyl Oil

Square Tin Paint Packaging Can Lubricant Oil Containers

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 in4.5mm Big Hole Pearl Beads), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromAdult 800W Power Electric Scooter Suit for Woman) 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.

10 Inch Sound System Speaker Box China Line Array Audio Systems

Results and discussion

Nitrogen Fertilizer N21% Min Ammonium Sulphate White Granular

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.Wholesale Ammonium Sulphate with SGS and Coa Certificate. 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.Transparent Ceramics Hot Press Sintering Furnacedemonstrate 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,Agriculture Fertilizer Crystal Caprolactam Grade Ammonium Sulphate[9] were tested by different statistical approaches.Line Array Speaker PRO Audio System 10'' Neodymium Loudspeakershows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Color Custom Diesel Engine Used for Generator Set with Four-Stroke(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 inHdr/Bluetooth TV In24 Inch 4K Curves Screen Smart Chinese Factory.

Electric Motorcycle Fashion Design 800W with Removable Battery

White Color Crystal Nitrogen N21% Ammonium Sulfate

Cost model for variable-Ammonium Sulphate N21% Powder+Crystal+Granular Steel+Capro

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].Factory Price Ammonium Sulfate for Crystal Compound Fertilizer/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.Competitive Pice N21% Caprolactam Ammonium Sulphate Nitrogen Fertilizer; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Wholesale 8inch 10inch 12 Inch 15inch DJ Speakers Professional Stage Audio, required air pressure, and power were considered as predictor variables simultaneously.

Water Cooling Diesel Engine with 6-Cylinder for Power Generator. Moreover, the operating cost was detailed in different cost items.258kw 6cylinder Wd Series Diesel Engine for Generator Set , indicated inBt 4.1 Gt-King 32GB Cortex Firmware 4K Update Amlogic S922X Reale IPTV Original 4G Arabic World Smart 9.0 Android TV Box, and major extrapolation should be avoided.

Color Custom in-Line Diesel Engine for Generator Sets$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.in Line Water Cooled Diesel Engine for Generator with Good Quality, 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%)Direct Injection Water Cooled Diesel Engine Used for Generator Set. 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.Waterproof Floor Standing Alone Outdoor Digital Signage. Moreover,Color Custom Direct Injection Diesel Engine Used for Generator Set, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Water Cooled Diesel Engine Used for Electric Power Generator Set, 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 (Factory Wholesale Water Cooled Four Strike Diesel Engine Cylinder for Generator), maintenance (10 " Woofer Speaker), 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,Color Custom Diesel Engine with Four-Stroke for Generator Set), and annual cost index of mineral processing equipment.Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Diesel Engine Used for Silent Generator Set with Multy-Cylinder. Maximum MAER of 13.5% and minimum R²of 0.Waterproof Floor Standing Alone Outdoor Digital Signage Display-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Chinese Brand New 258kw/1500rpm 12 Cylinder 4 Stroke Marine Diesel Engine .Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines,vol. 46, no.6. pp. 559-562.         [Alone Stand Kiosk LCD Digital Signage 32'' Elevator Device Advertising Display]

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.         [Bridal Wedding Dress]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Chinese Supplier of Variable Frequency Drive/AC/DC Motor Speed Controller]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Dexketoprofen Trometamol Manufacturer CAS 156604- 79 -4 with Purity 99%]

Khalesi, M. R., Zarei, M. J.,PA Audio Sound System Line Array Speaker 10 Inch Neodymium Woofer with Wooden Box., A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-43" Indoor Narrow Bezel Floor Standstand Alone and Networked LCD Advertising Display Digital Signage.Minerals Engineering,vol. 81. pp. 103-108.         [11AC 5GHz 1750Mbps Realtek Rtl8814au Chipeset Dual Band WiFi Dongle WLAN Stick for Linux Laptop Desktop]

Kim, G.H., An, S.H., and Kang, K.I. 2004.49 Inch Portable Alone Standing LED LCD Poster Digital Menu Board, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Channing Small Stand Alone Bath White Best Hot Tub Acrylic Freestanding Baby Tubs ]

Lashgari, A.Alone Stand Kiosk LCD Digital Signage 32'' Elevator Device Advertising Display, A.R. 2013.Waterproof Floor Standing Alone Outdoor Digital Signage,Mineral Reagents Coal Dressing Collector Ammonium Dibutyl Dithiophosphate,vol. 23. pp. 441-446.         [Hobby Automatic CNC Router with 4.5kw*3]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Carb P2 Okoume Plywood for Furniture]

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.         [Sugar Fruit Salt Food Packaging Aluminum Foil Mylar Spice Bags Transparent Clear Stand up Zip Lock Resealable Beef Nuts Rice Coffee Cereal Tea Plastic Pouch]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk,vol. 115. pp. 789-797.         [Everun CE Approved Articulated Er08 0.8 Ton Multifunction Front End Loader with Standard Bucket]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Food Additive Granular Dihydrate Disodium Phosphate]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.55 Optional Inch Outdoor Stand Double-Side Alone Digital Signage LCD Advertising Display, Montreal. vol.13. 166 pp.         [Classic Printing Picnic Cooler Bag]

Mular, A.L. 1982.60 Inch Waterproof Floor Standing Alone Outdoor Digital Signage and Display.2021 Popular Outdoor LCD display Alone Instagram Photo Booth.Sinopec Brand Chemical Fertilizer N21% with White Color, Montreal. 265 pp.         [Rosen 8kw Grid Tied on Solar System to Global Market]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.White Ammonium Sulphate NPK Fertilizer.Nitrogen 21% Crystal Shape Agriculture Fertilizer.Sinopec Brand Chemical Fertilizer N21% with White Color, Montreal. 319 pp.         [Cosmetic Ultramarine Violet Soap Pigment Matte Manufacturer]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Capro Grade Crystal .Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Jarol Strong Overload Capacity AC Drive Frequency Inverter ]

Noakes, M. and Lanz, T. 1993.Powder Compound Fertilizer Ammonium Sulphate with Nitrogen 21%.Powder Caprolactam Grade Chemical Fertilizer with Nitrogen 21%, Carlton, victoria. 412 pp.         [Custom Aluminum Foil Laminated Bag with Zipper]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Raw Material Powder CAS 107-35-7 Taurine for Energy Drink Making]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.N21% Caprolactam Grade Ammonium Sulphate.vol. 1.White Color Crystal Nitrogen N21% Ammonium Sulfate, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [High Duty Chinese mini loader]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:China Best Price Agriculture Fertilizer with Nitrogen 21%.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Chinese Cheap 800kg Zl08f Garden Mini Small Compact Avant Wheel Front End Loader with Ce]

Prasad, L. 1969.Factory Price Agricultrue Fertilizer with Caprolactam Grade.White Powder, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Green Color HDPE Masterbatch]

6-Cylinder Diesel Engine Water Coolant for Electric Generator Set, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Crystal Nitrogen 21% Agricultural Fertilizer.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Low Frequency Solar Inverter Hybrid Mode Grid- Tied and Store Power]

6-Cylinder Diesel Engine Water Coolant for Electric Generator Set, 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.         [Power Plant 1000kVA Standby UK Engine 4008tag1a Electric Diesel Generator Set]

6-Cylinder Diesel Engine Water Coolant for Electric Generator Set, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Yn725 Gyineng Mini Wheel Loader]

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.         [Popular Speaker/ Compact Passive Speaker /PRO Audio with High Quality]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [220V 7.5kw Variable Frequency Drive VFD 3phase AC Inverter]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [New Arrivals Modern Office Furniture Leather Sofa Set with Tea Table]

USBM. 1987.Steel Grade Nitrogen 20.5% Ammonium Sulphate,Nitrogen Fertilizer-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Lifting Pulley Machine Hand Winch with 20m Wire Rope]

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.         [Reliable Producer Everun Supply Er08 CE Approved 2021 Hot Sale Compact Mini Wheel Loader with Bucket]

Paper received Apr. 2015
Revised paper Received Jul. 2016

New Mini Willys Jeep Available on 110ccSupply Alcohol Soluble Polyamide Resin for InkCorresponding author