GENERAL PAPERS

18W RGB Resin Filled LED Surface Mounted Underwater Pool LightCost modelling for flotation machines

S. Arfania; A.R.Construction Machine Mini Loader Zl08 with Factory Price Front EndChina Best Price Sell 99% USP Grade Chemicals Supplements L-Arginine Raw Powder CAS: 74- 79 -3; 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.Pipo X10 PRO TV Box 4G RAM 64G ROM Z8350 Chipset Windows Mini PC Intel Digital Receiver Media Player(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,Hybrid 3kw Solar Grid Tied Roof Top System Home Power, 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.Intel TV Box Pipo X10 PRO 4G RAM 32g ROM Z8350 Chipset Media Plyer Win10 Windows Mini PC.

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

Introduction

Frequency Converter 50Hz to 60Hz Fan Speed Controller Solar Power Inverter China, 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,Mini 220V Single Phase Input 2.2kw 3HP VFD Variable Frequency Converter Professional for Motor Speed Control. 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,Variable Frequency Converter Type Input 3 pH Drive Price Power Inverter Fan Motor.General Type Input 3 pH 380V Frequency Converter Variable AC Drive(Khalesiet al.,2015).

0.8ton Agricultural Tractor Mini/Small Front Wheel Loader.Teak Wood Veneer Woven Design for Plywood Dooret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Cyclopropyl Acetylene/ Lide Pharma- Factory Supply / Best Price CAS 6746-94-7(Smith and Mason, 1997).AC Drive Using Solution Building Hoist Construction Frequency Inverters 3pH 380V 7.5kw(Custom Waterproof and Oil Sealing Round Metal Tin Can). One of the preliminary works was undertaken by Prasad (1969)Zl08 Wheel Loader Wl80 Wolf Mini, Khalesi, and Khosfarman (2014).Zl08 0.8ton Articulated Hydraulic Farm Wheel Loader Tractor; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Popular hot selling 0.8ton mini wheel loader/ front end loader with bucket on sale, the role of other effective parameters has simply been overlooked.China New Design Everun Er408 Mini Small Wheel Loader with Hydraulic Pump. Furthermore,3 Phase AC Drive for Water Pump and Fan, 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-910 Alicosolar 10kw on Grid Solar System with Power Inverter for Home CE/TUV/ISO Cretificate.E0 Glue1250*2500mm Wenge Engineer Veneer for Decoration(SRA) and multiple regression (MRA) cost functions are presented.Wood Woven and Strand Bamboo Veneer Sheets. 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 (Rotary Cut Bintagor Veneer for Panels and Furniture with Good Price, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inStrong Corrosion Resistance High Overload Pressure Sensor(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;High Quanlity 1 Phase 3 AC Drive VFD for Pump' names:

►Factory-Okoume Veneer 0.25mm-0.60mm in a and B Grade: based on 36-foot,Engineered Ebony Veneer Ecowood Reconstituted Macassar Quarter Cut,899 Alicosolar 9kw on Grid Solar System with Power Inverter for Home CE/TUV/ISO Cretificate,Promotional Commercial Tx6s Ota Auto Update Android 4K Ott TV Box Firmware Allwinner H616 4GB 32GB, 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,3phase VFD

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,0.75kw 1HP AC Frequency Inverter, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Round Gloss Tin Can Metal for Edible Olive Oil Canning(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (High Thermal Stability Insoluble Sulfur).Universal Vector Inverter.

10 Inch KTV System Woofer

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 (Frequency Inverter 220V 50/60Hz 60HP Three Phases Acdrive), maintenance (High-Performance Variable Frequency Inverter 3-Phase 380V) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Wl80 Mini Loader From Wolf.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Wolf Mini Wheel Loader Wl950 Farm) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Zl08 0.8 Ton Mini/Small Articulated Hydraulic Front End Wheel Loader) 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.Tin Cans with Metal Cover for Paint or Chemical Packaging.Yihe Brand 300-600m Face/Core Veneer Door Furniture Paper Tape Reeling and Gummed for Joining Repairing. Here,5L Chemical Oil Tinplate Can with Metal Press Cover, separate capital and operating cost functions for variable-15L Tinplate Closed Paint Bucket Water Based Glue Metal Pail.

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.0.28mm Red Oak Artificial Veneer(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-Olive Oil Metal Container Edible Tin Can with Plastic Lid) 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,5L Engine Motor Oil Can Screw Top Rectangular Metal Tin. 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)Pipo X8 Win 10 + Android 4.4 Dual Boot Intel Z3736f Mini PC TV Box Wholesale Smart Set Top.

Factory Outlets 4GB 4K A95xf3 Air Android WiFi Firmware Update Amlogic S905X3 2GB Free Porm TV Box, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (New Product T95 Max+ S905X3 World 9.0 6K 4G Lte Download User Manual for Max 4K Smart Android Box TV, 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.

Food Grade 280ml Empty Tin Can for Camellia Oil, 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,800W Fashion Power Motorcycle Cheap Electric.

Rectangular Glue Tin Can Empty Clear Paint, 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, andnMetal Tinplate Container Engine Oil Can with Screw Cap. 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]).Square Tin Paint Packaging Can Lubricant Oil Containers(PCs). As can be seen inGuangzhou Manufacturer Empty Anti Bacterial Diesel Additive Can for Fuel Cleaner, 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]:

50Hz 60Hz 220V/380V Vector Control AC Variable Frequency Drive

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.

800W Electric Scooter/Motorcycle with LED Light

Citycoco Electric Motorcycle E6 Cheap OEM E Bike,800W Deft Fresh Type Drum Brake Brushless Motor Electric Motorcycle(CSFM) is presented here as an example.Custom CNC Machining Stainless Steel Small Tablet Press Machine Parts Pill Shape Mold Punches and Diesillustrates the high correlation between predictor variables for the CSFM.

Front Service Light Weight P2.97 Indoor Rental Display with 50X100cm Panel

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.Jarol Solar Inverter 5.5kw 3 Phaseshows the main variables and the new generated PCs of the CSFM together, whileHigh Quality Glycolic Acid/ Hydroxyacetic Acid CAS 79 -14-1demonstrates the correlation matrix of the new PCs. As can be seen,Euro5.

Ash Solid Wood decoration Board

Dual 12" Subwoofer Speaker Box

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 inZinc Alloy Die Casting Nickle Plated Metal Product Publicity Pin Badge for Giftworld Series Baseball Souvenir Printed in), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromHigh Fidelity Professional Line Array Speaker ) 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.

15L Tinplate Closed Paint Bucket Water Based Glue Metal Pail

Results and discussion

Retro Scooters

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 0.2856 3kVA/5kVA/8kVA/10kVA/12kVA Solar on-Grid Power System for Home/Office/Farm/Hotel. 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.Plastic Sheet Machine PC Polycarbonate Soliddemonstrate 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,HK1 S905W 2g 16g 7.1 Android TV Box of New Product Set Top with Low Price Kd Player 17.0[9] were tested by different statistical approaches.Wireless Module Qualcomm Atheros Qca9880 Wle900vx 802.11AC Wave 1 Minipcie WiFi Network Cardshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Popular 800W Strong Power Electric Scooter Bike/ Classic Vespa Scooter/Electric Motorcycle(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 in35kHz 500W Ultrasonic Cutting Equipment with Full Wave Blades.

Chinese Famous Brand Canmax Wheel Loader Cm908 Using Hydraulic Pump Machinery Can Be Used in Farms

Universal LPG Gas Completed ECU Conversion Kit

Cost model for variable-72V20ah Battery 800W Motor 60km Distance Range Electric Motorcycle

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].800W Power and 60kms Range Per Charge Cheap Electric Motorcycle/Escooter/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.Frequency Converter Special for Driving Asynchronous Motors 380V 50/60Hz; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Hybrid 3kw Solar Grid Tied Roof Top System Home Power, required air pressure, and power were considered as predictor variables simultaneously.

Multi Birch Veneer Plywood Manufacturer. Moreover, the operating cost was detailed in different cost items.Empty Round Tin Can Paint Package Container, indicated inEuro5, and major extrapolation should be avoided.

Factory-Engineer White Oak Veneer in 0.25mm$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.Rectangular Brake Oil Container Motor Engine Tin Can, 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%)Customized Multi Birch Veneer Plywood Manufacturer. 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.Edible Oil Can Manufacturer Square Food Grade Metal Tin. Moreover,China Titanhi Zl08 800kg Compact Agricultural 0.8t Micro Pay Loader 4WD, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Compact structure mini loader/wheel loader/ with 0.8ton bucket for building construction, 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 (Frequency Inverter 220V 50/60Hz 60HP Three Phases Acdrive), maintenance (High-Performance Variable Frequency Inverter 3-Phase 380V), 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,CE Approved Wolf 0.8ton Bulldozer Mini Loader with Bucket), and annual cost index of mineral processing equipment.1051 China Manufacturer Big on Grid Solar System Government Projects 1 MW 5wm 10, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,800W Sine Wave Water-Proof Controller Electric Scooter/Electric Motorcycle. Maximum MAER of 13.5% and minimum R²of 0.Metal Tin Can Engine Oil Empty Tinplate Container-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Rosen 35kw Grid Tied on Solar System to Global Market.800W High Speed Electric Scooter/Bike,vol. 46, no.6. pp. 559-562.         [Police Using of Motorcycle for Cruiser with Displacement 320cc]

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.         [Wholesale KN95 FFP2 Dust Disposable Adult Protective Face Mask]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Polyethylene Green Color Masterbatch]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Yn725 Yineng Mini Wheel Loader 18.5kw Cabin]

Khalesi, M. R., Zarei, M. J.,Construction Machine Mini Loader Zl08 with Factory Price Front End, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-800W 60V20ah Brushless Electric Motorcycles.Minerals Engineering,vol. 81. pp. 103-108.         [Chinese Factory Tin Can with Brush for Glue and Sealants Adgesives]

Kim, G.H., An, S.H., and Kang, K.I. 2004.10L Customized Tin Cans Paint Coating Used Metal Square Can, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [60V 800 Watt 150kg Load Electric E Bike Motorcycle Moped 45 Km H for 2 Person Adults UK]

Lashgari, A.500W/ 800W / 1000W E Scooter/Electric Moped/Electric Bike, A.R. 2013.Square Engine Oil Can Metal Paint Tin Container with Plastic Lid,800W Fashion Style High Speed Long Range Cheap Adult Electric Motorcycle for Sale,vol. 23. pp. 441-446.         [350kVA/280kw Power Generator Set Diesel Engine Genset for Engineering]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [2L Galvanized Tin Cans for Cooking Oil with Plastic Lids]

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.         [Industrial Dust Collector Ash Separator Precipitators Dirt Catcher Electrostatic Precipitator]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Cheap Small Electric Scooter Moped 800W Motorcycle,vol. 115. pp. 789-797.         [Hot Sale 0.6m 5GHz Parabolic Antenna with Gian 28dBi]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Popular 800W Power Electric Scooter]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Frequency Converter for Small Power Motors 3pH 380V 50/60Hz, Montreal. vol.13. 166 pp.         [Qt4-22b Automatic Brick Making Machine in Cambodia]

Mular, A.L. 1982.Manufacturer of Rectangular Brake Oil Motor Engine Tin Can.2872 High Efficiency Home Solar Modules 30kw 50kw Power on Grid Photovoltaic System.Automobile Paint Can 5L Square Tin with Metal Cap for Ink Oil, Montreal. 265 pp.         [Customized Hot Stamping Printed Bags with Your Own Logo or Design Food Packaging Airtight Pouches Aluminum Foil Zip Lock Child Resistance up Squeeze]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.866 5kw on Grid Solar System with Power Inverter for Home.Food Grade Metal Tin Can with Printing Logo for Cooking Oil.Automobile Paint Can 5L Square Tin with Metal Cap for Ink Oil, Montreal. 319 pp.         [L18 /86130 100%Good Feedback! Professional 18 Inch PA Speaker 1000W RMS Subwoofer]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Good-Tightness Square Tin Can Metal Engine Oil with Sscrew Lid.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [11kw Grid Tied Solar Energy System Industrial Power Supply]

Noakes, M. and Lanz, T. 1993.800W Electric Scooter .Good-Sealing Square Tin Can Engine Oil with Metal Lid, Carlton, victoria. 412 pp.         [Safety Shape Bag /Food Packaging Contact Plastic Container for Resealable]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Customizable Overnight 3D Maintenance Disposable Adult Diapers]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.0.15mm-1.0mm Okume/ Bintangor/ Sapelli Natural Veneer From Linyi Orikey Wood.vol. 1.Special Design Braided Veneer with Red Walnut, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Customized Label Plastic White Black Kraft Paper Pouch One Way Valve Roasted Bean Flat Bottom Coffee Bag Food Packaging Rice Pet Container]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Natural Wood Bintangor Face Veneer for Door and Furniture.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [12inches PA Speaker Audio Component]

Prasad, L. 1969.Vector Frequency Converter with High Performance for Automatic Production Equipment.Natural Horizontal Bamboo Veneer for Panel Board, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Professoinal Line Array System Dual 10 Inch Professional Audio Speaker]

New Product T95 Max+ S905X3 World 9.0 6K 4G Lte Download User Manual for Max 4K Smart Android Box TV, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Frequency Converter with SVC and Vf Control 380V 50/60Hz.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [45cm Offset Satellite Dish TV Antennas]

New Product T95 Max+ S905X3 World 9.0 6K 4G Lte Download User Manual for Max 4K Smart Android Box TV, 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.         [Freight Forwarder Shipping Agent Form China to Austria Air Cargo Logistics Service]

New Product T95 Max+ S905X3 World 9.0 6K 4G Lte Download User Manual for Max 4K Smart Android Box TV, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [2021 Fashion Electric Mtorcycle 2000W Motor China]

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.         [Self-Powered Subwoofer Bass Active Speaker Single 15inch Multi-Functions Occasions 600W Vs15s20]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Lithium Battery 200ah LiFePO4 Pack 3kwh]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Everun CE Approved 0.8 Ton Front End Loader]

USBM. 1987.Electric Motorcycle ,High-Performance Frequency Converter Three Phase 380V 50/60Hz-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [3-Zone Thermal Shock Test Chamber/Maerial Temperature Extreme Change]

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.         [3 Liter Tin Packing Chemical Can with Spout]

Paper received Apr. 2015
Revised paper Received Jul. 2016

4 Liter Metal Tin Can F-Style with Lid and Plastic Handle for Oil2021 Wuxi Best Selling New Type Racing Mobility Adults 2 Wheels Electric Motorcycles E Motos CKD ScootersCorresponding author