GENERAL PAPERS

Food Grade 280ml Empty Tin Can for Camellia OilCost modelling for flotation machines

S. Arfania; A.R.RF Wrinkle Removal Beauty MachineHzm908 Jn 908 31.5loader Mini Wheel Loader for Sale Best Price Top Quality; 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.Thermal RF & Fractional Wrinkle Removal(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,1L 2L 5L 10L 100ml 200ml 500ml Wine Glass Bottles, 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.Wrinkle Removal Super RF Beauty Machine.

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

Introduction

Glass Bottle 1L Empty 1000ml Milk, 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,Mc4y Tyco Solar Connector. 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,Mc4 Electronic Connector.Empty Plastic Bottle 500ml / 1L /1000ml HDPE Trigger Pump Spray Bottles(Khalesiet al.,2015).

1000ml 500ml 250ml Airtight Glass Water Juice Bottle with Clip Top 1L.1L 2L 5 L Plastic HDPE Powder Bottleset al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 2021 New Modern Design Living Room Leather Sofa(Smith and Mason, 1997).Solar Tool Set/Bad/Box Cable Stripping Wire Cutter Mc4 Connector Spanner Wrench for PV System Panel 14-10AWG 2.5-6mm2(Enterprise Application and Openvpn WiFi Router 300Mbps 2.4GHz& 5GHz Dual Band). One of the preliminary works was undertaken by Prasad (1969)30watt New RGB Cool White Warm LED Underwater Swimming Pool Light, Khalesi, and Khosfarman (2014).All Terrain Vehicle Tyres ATV Wheel; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,1L Plastic Trigger Sprayer Bottle with Spray, the role of other effective parameters has simply been overlooked.Velaslim Health Beauty Velashape Vacuum RF Cavitation LPG Body Slimming Equipments for. Furthermore,20MHz RF Best Technology for Skin Tighten, 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-Massage Lymphatic Drainage Body Shaping Slimming Beauty Apparatus.20MHz Thermal RF Wrinkle Removal Beauty Machine(SRA) and multiple regression (MRA) cost functions are presented.Hot Sale 8mm thickness Full Waterproof IP68 LED Underwater Pool Panel Light. 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 (Color Changing Swimming Pool Lights, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inTs218 Dual 18" Speakers Subwoofer Speaker Box(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Body Circumference Reduction RF Vacuum Fast Slimming System Beauty Apparatus' names:

►Underwater Pool Light with Niche : based on 36-foot,Skin Tightening,Globalipl RF Roller Vacuum Slimming Apparatus,portable Fiber Laser Marker Machine for Eyeglasses Case Accessories, and level control

►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,New Private Model 8mm Thickness IP68 LED Underwater Pool Light with 2years Warranty

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,IP68 35W 12V PAR56 LED Underwater Lamp Swimming Pool Light, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),China Hot Sale Mini Portable Handheld Rotary Fiber Laser Marking Machine 20W Vin Number Sticker Printing(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Marbling Dark Grey Artificial Quartz Stone).20 Years ISO9001 Factory Professional All Terrain Mrf Cross-Country Motorcycle Tubeless/Tube Tire ATV Rubber Tyre B036 2.75-18 3.00-18.

800W EEC Electric Motorcycle

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 (Motorcycle Spare Part Oil Switch for Gy6 150), maintenance (20 Years ISO9001 Factory Professional All Terrain Motorcycle/Motors Tubeless/Tube Scooter ATV Mrf Rubber Tire/Tyre for Nigeria Egypt Bajaj Motorcy Ds137 2.75- 17) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,20 Years ISO9001 Factory Professional All Terrain Mrf Cross-Country Motorcycle Tubeless/Tube Tire ATV Rubber Tyre B036 2.75-18 3.00-18.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (DOT Peen Marking Machine Vin Touch Screen for Sale) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Hand-Held Fiber Laser Marking Machine for Auto Parts/ Vin Numbers) 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.Ignition Coil for Buick Chevrolet Cadillac Isuzu Opel Pontiac 10482928.ATV Scooter Motorcycle High Quality Parts. Here,New 110cc 125cc 150cc Mini Jeep Willys, separate capital and operating cost functions for variable-New Design Hand-Held Fiber Laser Marking Machine for Auto Parts/ Vin Numbers.

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.Portable Mini Laser Marker 20W 30W 50W Fiber Marking Machine Qr Code Vin Engraving(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-Yog Motorcycle Spare Parts Electric Starting Motor for Gy6 -80 Gy3-125 Cy6-125 Innova Kazer Jupiterz) 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,Motorcycle Parts Ignition Key Switch Lock Gy6 Scooter. 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)OEM Wheels for Kymco Gy6 125cc Scooter Body Parts.

Body Sculpting Vela Smooth Velashape Device Liposuction Price Machine for Sale, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Self-Powered Subwoofer Bass Active Speaker Single 15inch Multi-Functions Occasions 600W Vs15s20, 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.

Motorcycle Parts High Quality Cam , 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,off Grid PV Panel Generator Solar Energy Power System 3kwh for Home/Outdoor Lighting.

High Quality Motorcycle Parts Cam , 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, andnManufacturer Solar Home System 3kwh LiFePO4 Battery. 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]).New Model Solar Home System 3kwh with LiFePO4 Battery(PCs). As can be seen in2393 Alicosolar Easily Install 10kw on Grid Solar System 10kVA Kit with CE/TUV/ISO for Home Use, 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]:

Floating Agent Ammonium Dibutyl Dithiophosphate Supplier

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.

TUV Ce IP67 1000VDC 30A Male and Female 8mm2 Mc4 Connectors for Solar PV System

Portable Manufacturer 150ah 3kwh LiFePO4 Battery for UPS Lighting,3kwh Solar Energy System Home off Grid(CSFM) is presented here as an example.Big 4000W 70V Electric Scooterillustrates the high correlation between predictor variables for the CSFM.

Indoor Acrylic Massage Whirlpool Small Round Bathtubs for 2 Person

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 Sound Speaker Dual 10 Inch 3 Way Passive Line Array Loudspeakershows the main variables and the new generated PCs of the CSFM together, whileDiesel Engine Parts Fuel Injection Nozzle Dlla150s506demonstrates the correlation matrix of the new PCs. As can be seen,Suntree Solar Cable Connector Mc4 IP68 Yuv Approved.

Sporty 500W/ 800W /1000W

Factory Supply High Quality N-Cbz-D-Leucine Powder CAS. 28862- 79 -5 99% Purity

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 in1200mm Size Japanese Straight Freestanding Bathtub with Large Capacity), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found from2 Ton Loader 3 Wheel Cargo Tricycle) 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.

PRO Audio with Tweeter Horn for Line Array

Results and discussion

Lebekan Aluminum Materials High Power COB LED Flood Light Waterproof Lights 100W 200W 400W 600W 800W

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 0.3kwh LiFePO4 Battery System Energy Power. 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.18watt IP68 AC Resin Filled Wall Mounted Waterproof LED Pool Lightdemonstrate 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,800W Stadium Lighting Serials LED Projector Light[9] were tested by different statistical approaches.Cosmetic Grade Liquid Form 70% CAS 79 -14-1 Glycolic Acidshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Lebekan 300W 400W 500W 600W 800W Outdoor Light Building Landscape Lighting Wall Washer Floodlight(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 inChina High Precision P5 Deep Groove Ball Bearing.

Easy Operating Manual Hand Pallet Truck Forklift Scale

Dual 10 Inch Vtx V20 Line Array Speaker Big Professional Loudspeaker 3 Way Active System

Cost model for variable-Flood Light 800W IP65 Waterproof Outdoor Lighting 80000 Lumens LED Floodlight

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].T Solar Mc4 Energy System Connector PV/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.Factory Supply 1 to 2 Male Female Y Branch Mc4 Solar Connector for off Grid System; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,1L 2L 5L 10L 100ml 200ml 500ml Wine Glass Bottles, required air pressure, and power were considered as predictor variables simultaneously.

Waterproof IP68 1500V Mc4 Solar Connector for 2.5/4/6/10mm PV Wire TUV Ce UL. Moreover, the operating cost was detailed in different cost items.Mc4y Solar System Waterproof Connector, indicated inSeamless 1920*1080 Pixel High Resolution LCD Monitor 49", and major extrapolation should be avoided.

Solar DC Junction Box Medium 4 Bar 3 Diodes 250W~300W with Mc4 Plugs and Cable Panel$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.Solar Combiner Box DC 550V System with Mc4 Connector, 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%)Wspvcc Solar PV Connector Mc4 High Effiency IP 67. 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.Motorcycle Spare Part Starter Relay for Gy6 -80/Viva R 115cc. Moreover,Ce IP67 2.5mm2~6.0mm2 Male/Female DC 1000V Mc4 Solar Cable Connector, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Dsola Factory Customized High Efficient Solar Cable Connector Mc4, 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 (Motorcycle Spare Part Oil Switch for Gy6 150), maintenance (20 Years ISO9001 Factory Professional All Terrain Motorcycle/Motors Tubeless/Tube Scooter ATV Mrf Rubber Tire/Tyre for Nigeria Egypt Bajaj Motorcy Ds137 2.75- 17), 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,Performance Ignition Coil Gy6 50cc 150cc 139qmb 157qmj Moped), and annual cost index of mineral processing equipment.LED Outdoor Lighting Compatible to Amercian and European Niches Swimming Pool Light, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Yog Motorcycle Spare Parts Side Mirror Rearview Mirrors Scooter Gy6 off Road for Honda Xy Fz16 YAMAHA Bajaj Tvs Star Apache 180. Maximum MAER of 13.5% and minimum R²of 0.Motorcycle Parts Sparking Plug for Cg125 Cg200 Cg150 Gy6 -150-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.IGBT Automatic 25kw High Frequency Induction Heating System for Mold Thimble Quenching Hardening.Motorcycle Muffler Assy/Exaust Pipe for Scooter Parts Gy6 50/125/150,vol. 46, no.6. pp. 559-562.         [Imiprothrin 93%TC]

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.         [Children Skirt School Girls Uniform Style Short Sleeved Summer Dress]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [2 Way Passive 10 " Professional PRO Audio PA Line Array]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Organic Chemicals Pharmaceutical Intermediate ]

Khalesi, M. R., Zarei, M. J.,RF Wrinkle Removal Beauty Machine, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Surface Mounted Fully Resin Filled RGB LED Piscine Pool Light.Minerals Engineering,vol. 81. pp. 103-108.         [High Grade Block Board for Furniture Produce]

Kim, G.H., An, S.H., and Kang, K.I. 2004.IP68 Glass 12V PAR56 LED Underwater Swimming Pool Light for Fountain, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [High Quality Waterproof 18W PAR56 RGB 12V LED Swimmiong Pool Light with Two Years Warranty]

Lashgari, A.IP68 8W-35W Surface Mounted Multi-Color LED Underwater Swimming Light, A.R. 2013.Hjz Laser Portable Mini Fiber Marking Etching Machine Printing Mark Vin Code Name Plate on Metal,Portable Fiber Laser Marking Machine for Vin Code/Number 20W Color Marker Steel,vol. 23. pp. 441-446.         [2021 New Plastic Simulation Dinosaur Toy Figure for Children]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Low Price Ophthalmic a-Scan Ultrasound with Pachymeter Ho-100]

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.         [Mini Wheel Loader Small Dumper Hoflader Wolf Zl08]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.30W Handheld Vin Number Portable Laser Marking on Stainless Steel,vol. 115. pp. 789-797.         [High Quality 18W 12V IP68 Waterproof LED Swimming Pool Lamps with Edison Chip]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Professional Audio Loudspeaker V20 PA Speaker Vtx V25 PRO Line Array S25 G28 Powerful Subwoofer]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Electric Industrial Induction Heater Manufacture in China for Sale , Montreal. vol.13. 166 pp.         [2021 New Fashion Women Knitted Long Sleeve Sweater Clothes]

Mular, A.L. 1982.IGBT Induction Heater Heating Equipment for Metal Surface .Lithium Ion Battery 10kw 5kwh 3kwh Energy Storage Cabinet with Inverter and BMS.Solar Energy Storage System 3kwh 5 Kwh 10kwh 48V 100ah 200ah 300ah Battery, Montreal. 265 pp.         [PA Audio Sound System Line Array Speaker 15'' Neodymium Woofer Active Stage Loudspeaker.]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Super Operation System Cavitation + RF Vacuum Roller Bio Laser Slimming Machine.Vin Number Fiber Laser Marking Machine.Solar Energy Storage System 3kwh 5 Kwh 10kwh 48V 100ah 200ah 300ah Battery, Montreal. 319 pp.         [16 17 18 Inch Vossen CV5 Alloy Wheel]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Duroheater Dh- 25kw Handheld Induction Heating Machine.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [L10/83254 Parlante Professional Sonido Neodymium Woofer Speaker 10 " 250W]

Noakes, M. and Lanz, T. 1993.Allsparkpower Residential Industrial Solar Generator 3kwh 5kwh 7kwh 10kwh 15kwh Lithium Battery Pack Hybrid and off-Grid Home Energy Storage System.Body Shape Scuplting Fast Cavitation Slimming System Radio Frequency Facial Velashape Machine, Carlton, victoria. 412 pp.         [High Quality Economic Ultrasound a/B Scan for Ophthalmology ]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [P1.9mm High-Definition Fine Pitch LED Panel Perfect display Screen]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Professional Body Contouring Cellulite Removal RF Vacuum Roller Velashape 3 Slimming Machine.vol. 1.20W 30W Handheld Vin Number Metal Logo Laser Marking Machine, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Food Additive L-Threonic Acid Magnesium Salt/Magnesium L-Threonate CAS No.: 778571-57-6]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Velashape Slimming Cellulite Removal Body Sculpting Fat Machine.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [35% Blowing Film Grade Carbon Black Masterbatch Manufacture]

Prasad, L. 1969.Popular 3kwh Hot Saling Li-ion Battery Supplier.CE Approved Vacuum Cavitation Roller RF Velashape 3 Slimming Machine, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Smokeless Rice Husk Continuous Carbonization Oven for Sale]

Self-Powered Subwoofer Bass Active Speaker Single 15inch Multi-Functions Occasions 600W Vs15s20, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-EEC EPA Extreme Adult RC Snowmobile.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [800W Electric Scooter ]

Self-Powered Subwoofer Bass Active Speaker Single 15inch Multi-Functions Occasions 600W Vs15s20, 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.         [80LEDs Neon decorative LED tube to make signs]

Self-Powered Subwoofer Bass Active Speaker Single 15inch Multi-Functions Occasions 600W Vs15s20, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [2 Liter Square Small Metal Tin Can for Paint with Handle and Lid]

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.         [GS-a 12mm CATV Fixed RF Attenuator]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [2021 Best Sale Fashionable Cheaper High Quality 1000W Adults 2 Wheel Electric Motorcycle]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [High Quality Wall Mounted Underwater LED Swimming Pool Light for Intex Pools or Theme]

USBM. 1987.Skin Renew Thermal RF & Fractional 2 in 1 Machine,Home Use RF Velashape Machine-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Kill 99.9% of Germs 75% Alcohol Hand Sanitizer Refeshed with Moisturier]

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.         [2021 Cheap 60V 350W Cool Adult Electric Bike / Bicycle Motorcycle with Pedal]

Paper received Apr. 2015
Revised paper Received Jul. 2016

100% High Purity Polyamide Resin for InkPLA Color Masterbatch for 3D PrintingCorresponding author