GENERAL PAPERS

Double Slipper Two Upper End Freestanding Soaking New Bath TubCost modelling for flotation machines

S. Arfania; A.R.Factory Produced Android Smart TV Box 7.1 Full HD 1080P Video Kodi 17.6Arm Cyl Oil Seal Kits for Sumitomo; 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.1.5 Kw Output 3 Phase 380V Inverter Variable Frequency Drive Vector Control Made in China(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,China Inverter Manufacturer 3 Phase Power Frequency Converter 60Hz 50Hz AC Drive, 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.Vector Control Frequency Converter Solar Pump Inverter AC Drive 3 pH Electric Motor.

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

Introduction

AC Converter Variable Frequency Drive 3 pH 0.75kw Output Power Supply, 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,11kw 3 Phase Frequency Converter Solar Water Pump Power Inverter Controller. 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,Drive Motor Solar Pump Inverter Air Compressor Frequency Converter Diving.3 pH 90kw Supply Motor Speed Controller Power Inverter Diving Compressor(Khalesiet al.,2015).

3 pH 37kw Variable Frequency Drive with AC Input Motor Driver.AC Three Phase Output Drive Frequency Converter Speed Control Electric Motoret al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for High Quality Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with CE RoHS IP68 Reports(Smith and Mason, 1997).Zl08f Mini Hydraulic 4WD Compact Shovel Wheel Loader for Sale(Luxury Mink Wig Raw Peruvian Hair 100% Unprocessed Human Body Wave Full Lace 18inches). One of the preliminary works was undertaken by Prasad (1969)New Zl08 Mini Radlader with Hydraulic Transmission, Khalesi, and Khosfarman (2014).Yn725 G CE Approved Hot Sale Mini Wheel Loader; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Zl08f Mini Tractor Articulated Hydraulic Front End Wheel Loader, the role of other effective parameters has simply been overlooked.Everun 2021 Brand Ce Certificated Er08 Small Construction Machinery Wheel Loader with Snow Blade. Furthermore,Everun 0.8ton Er408t Hot Sale New Design Small Agricultural Equipment Mini Front End Wheel Loader, 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-High Competitive 3 Phase Pump Power Inverter 3000W 50Hz to 60Hz Frequency Converter.Wolf Mini Loader Wl80 with Grass Cutter(SRA) and multiple regression (MRA) cost functions are presented.Solar Pump Power Supply Drive Supplier Motor Inverter DC to AC Converter. 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 (Eougem 0.8 Ton Payload Zl08 Front End Loader New Hydraulic Articulated Small Wheel, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inRace 4 Stroke Gasoline 9HP Reverse Transmission Go Kart(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;2500*640mm E1 Glue Engineer Veneer Wenge/Oak for Decoration' names:

►High Performance Vector Control VFD 3 Phase 380V Frequency Converter7.5kw Inverter for AC Motor: based on 36-foot,Zl08 0.8t Articulated Front End Wheel Loader with Pallet Fork,Face Veneer Nature Bamboo for Fancy Plywood,White Birch Veneer in 0.28mm/Jacky, 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,Chinese Suppliers Okoume Wood Face Veneer for Malaysia

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Factory-Hardwood Veneer in 1300X2500mmx 0.60mm, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Yn725 G Ce Approved Hot Sale Mini Wheel Loader(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Premium Quality Small Portable Oxygen Concentrator Price with Nebulizer Generator).Variable Frequency Drive VFD Supplier AC Converter 50Hz to 60Hz with Vector Control.

Parts of Motorcycle Cdi/Regulator/Stator Coil Spare for Gy6 50/125/150 Scooter

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 (China Zl08 Payloader 0.8 Ton Min Articulated Hydraulic Mini Front End Wheel Loader), maintenance (0.8ton Compact Loader Wheel in Europe) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,4 Kw China Frequency Converter Power Supply Motor Drive 3 Phase Inverter.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (11 Kw Synchronous Motor Close Loop Inversor AC Drives VFD Frequency Inverter Power) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Yn725 Yineng Mini Wheel Front 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.Yn725g Yineng Mini Wheel Loader 18.5kw Without Cabin.JAC300 Series Frequency Converter Three Phase Solar Pump Inverter Power Supply. Here,Yn725g Yineng Mini Wheel Loader 18.5kw Without Cabin, separate capital and operating cost functions for variable-Km3 Collective 4GB 64GB TV Box Google Certified ATV.

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.China Everun Er408t 0.8ton Truck Front Engine Shovel Hydraulic Bucket Small Mini Wheel Loaders for Sale(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-Natural Wood Woven and Strand Bamboo Veneer Sheets Comaccord) 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 Ebony Engineered Wood Veneer for Hot Sale. 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)China Manufacturer Decorative Engineered Wood Veneer.

Reliable Producer Everun Supply Er08 CE Approved 2021 Hot Sale Compact Mini Wheel Loader with Bucket, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Gabon Okoume Veneer a B C D Grade From Factory to India, 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.

Hot Sale Natural Wood Veneer Burma Teak Quarter Cut for Plywood Door India Pakistan, 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,Hot Sale Birch Wood Veneer Core for Plywood.

Pendoo X10 Max International Best Custom Set Top Box 4GB 32GB TV Converter Ott 4K Smart Android, 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, andnChina Everun Er408t 800kg Earth-Moving Mini Front Wheel Loader for Sale. 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]).Zl08 800kg Mini Tractors with Front End Dumper Loader(PCs). As can be seen inStc Series Three Phase Dynamo Generator , 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]:

0.15mm Rosewood Veneer

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.

China Everun Er408t 0.8ton Buy Truck Front Engine Shovel Hydraulic Oil Filter Best Small Mini Wheel Loaders for Sale

AC Drive Using Solution Building Hoist Construction Frequency Inverters 3pH 380V 22kw,AC Drive for Bridge Crane VFD Using Mono Overhead 3pH 380V 15kw(CSFM) is presented here as an example.860MHz CATV One Way Amplifiersillustrates the high correlation between predictor variables for the CSFM.

High Quality Golden Supplier of Burger Making Machine

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.5GHz Antenna High Gain 32dBishows the main variables and the new generated PCs of the CSFM together, whileHigh Quality Mxq PRO 4K Rk3229 1GB 8GB Android7.1 Quad Core Android TV Boxdemonstrates the correlation matrix of the new PCs. As can be seen,Construction Machine Mini Loader Zl08 with Factory Price Front End.

Tanfon 5kVA off Grid Solar Inverter Tied /off Grid/Hybrid System

Factory Direct Supply 2 Wheels No Folding Elderly Electric Motorcycle

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 inStainless Steel Fresh Milk Chilling Tank), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromPower Frequency Converter 60Hz 50Hz Price) 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.

Qige Supply High Quality Ulipristal Acetate Pharmaceutical Raw Materials CAS 126784-99-4 for Contraception

Results and discussion

Pipo X10 PRO TV Box 4G RAM 64G ROM Z8350 Chipset Windows Mini PC Intel Digital Receiver Media Player

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.Hybrid 3kw Solar Grid Tied Roof Top System Home 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.Radiate Pine Face Veneerdemonstrate 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,Intel TV Box Pipo X10 PRO 4G RAM 32g ROM Z8350 Chipset Media Plyer Win10 Windows Mini PC[9] were tested by different statistical approaches.Professional Stage Bass Sound System 15 Inch Subwoofer Speaker Ls500shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Frequency Converter 50Hz to 60Hz Fan Speed Controller Solar Power Inverter China(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 inBlack Cocktail Dress.

231c Dual 31-Banddigital Graphic Equalizer/Limiter

L-Arginine Nutritional Supplements  Arginine  Flavoring Agents

Cost model for variable-Mini 220V Single Phase Input 2.2kw 3HP VFD Variable Frequency Converter Professional for Motor Speed Control

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].Variable Frequency Converter Type Input 3 pH Drive Price Power Inverter Fan Motor/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.General Type Input 3 pH 380V Frequency Converter Variable AC Drive; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,China Inverter Manufacturer 3 Phase Power Frequency Converter 60Hz 50Hz AC Drive, required air pressure, and power were considered as predictor variables simultaneously.

0.8ton Agricultural Tractor Mini/Small Front Wheel Loader. Moreover, the operating cost was detailed in different cost items.Teak Wood Veneer Woven Design for Plywood Door, indicated inAndroid 6.0 Smart TV Box Rk3229 Quad-Core 2GB/8GB Internet Set Top, and major extrapolation should be avoided.

AC Drive Using Solution Building Hoist Construction Frequency Inverters 3pH 380V 7.5kw$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.Zl08 Wheel Loader Wl80 Wolf Mini, 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%)Zl08 0.8ton Articulated Hydraulic Farm Wheel Loader Tractor. 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.Popular hot selling 0.8ton mini wheel loader/ front end loader with bucket on sale. Moreover,China New Design Everun Er408 Mini Small Wheel Loader with Hydraulic Pump, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (3 Phase AC Drive for Water Pump and Fan, 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 (China Zl08 Payloader 0.8 Ton Min Articulated Hydraulic Mini Front End Wheel Loader), maintenance (0.8ton Compact Loader Wheel in Europe), 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,910 Alicosolar 10kw on Grid Solar System with Power Inverter for Home CE/TUV/ISO Cretificate), and annual cost index of mineral processing equipment.E0 Glue1250*2500mm Wenge Engineer Veneer for Decoration, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Wood Woven and Strand Bamboo Veneer Sheets. Maximum MAER of 13.5% and minimum R²of 0.Rotary Cut Bintagor Veneer for Panels and Furniture with Good Price-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.High Quanlity 1 Phase 3 AC Drive VFD for Pump.Factory-Okoume Veneer 0.25mm-0.60mm in a and B Grade,vol. 46, no.6. pp. 559-562.         [Custom Printed Food Grade Ziplock Plastic Pouch Packaging Bag]

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.         [Huge Screen 65" Tempered Glass Panel Smart LCD TV for Home Theater]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [650W-18 Inch Subwoofer Speaker Manufacture China Factory Directly]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [2021 Popular Outdoor LCD display Alone Instagram Photo Booth]

Khalesi, M. R., Zarei, M. J.,Factory Produced Android Smart TV Box 7.1 Full HD 1080P Video Kodi 17.6, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Engineered Ebony Veneer Ecowood Reconstituted Macassar Quarter Cut.Minerals Engineering,vol. 81. pp. 103-108.         [Horn Professional Speaker H3]

Kim, G.H., An, S.H., and Kang, K.I. 2004.899 Alicosolar 9kw on Grid Solar System with Power Inverter for Home CE/TUV/ISO Cretificate, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Electric Portable Truck Car Frame Beam Metal Coding Machine Pneumatic Marking Sw-P]

Lashgari, A.Promotional Commercial Tx6s Ota Auto Update Android 4K Ott TV Box Firmware Allwinner H616 4GB 32GB, A.R. 2013.3phase VFD,0.75kw 1HP AC Frequency Inverter,vol. 23. pp. 441-446.         [Colorful Shiny Crystal Tulle Roll DIY Girls Tutu Skirt Gift Wedding Party Decor Baby Shower Supply]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Quality Assurance O-Phthalaldehyde]

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.         [Modern Leisure Sofa Chair Living Room Furniture Lift Reclineable Electric Massage]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Round Gloss Tin Can Metal for Edible Olive Oil Canning,vol. 115. pp. 789-797.         [18W RGB Resin Filled LED Surface Mounted Underwater Pool Light]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [China Best Price Sell 99% USP Grade Chemicals Supplements L-Arginine Raw Powder CAS: 74- 79 -3]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Universal Vector Inverter, Montreal. vol.13. 166 pp.         [High Effective Crop Protection Insecticide Lambda-Cyhalothrin 10% Ew Supplier]

Mular, A.L. 1982.Frequency Inverter 220V 50/60Hz 60HP Three Phases Acdrive.High-Performance Variable Frequency Inverter 3-Phase 380V.Wl80 Mini Loader From Wolf, Montreal. 265 pp.         [Custom Waterproof and Oil Sealing Round Metal Tin Can]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Wolf Mini Wheel Loader Wl950 Farm.Zl08 0.8 Ton Mini/Small Articulated Hydraulic Front End Wheel Loader.Wl80 Mini Loader From Wolf, Montreal. 319 pp.         [Strong Corrosion Resistance High Overload Pressure Sensor]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Tin Cans with Metal Cover for Paint or Chemical Packaging.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [10 Inch KTV System Woofer]

Noakes, M. and Lanz, T. 1993.Yihe Brand 300-600m Face/Core Veneer Door Furniture Paper Tape Reeling and Gummed for Joining Repairing.5L Chemical Oil Tinplate Can with Metal Press Cover, Carlton, victoria. 412 pp.         [Guangzhou Manufacturer Empty Anti Bacterial Diesel Additive Can for Fuel Cleaner]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [3D Cartoon Dinosaur Plush Children Backpack Schoolbag Toys]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.15L Tinplate Closed Paint Bucket Water Based Glue Metal Pail.vol. 1.0.28mm Red Oak Artificial Veneer, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [50Hz 60Hz 220V/380V Vector Control AC Variable Frequency Drive]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Olive Oil Metal Container Edible Tin Can with Plastic Lid.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Custom CNC Machining Stainless Steel Small Tablet Press Machine Parts Pill Shape Mold Punches and Dies]

Prasad, L. 1969.5L Engine Motor Oil Can Screw Top Rectangular Metal Tin.Pipo X8 Win 10 + Android 4.4 Dual Boot Intel Z3736f Mini PC TV Box Wholesale Smart Set Top, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Jarol Solar Inverter 5.5kw 3 Phase]

Gabon Okoume Veneer a B C D Grade From Factory to India, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Factory Outlets 4GB 4K A95xf3 Air Android WiFi Firmware Update Amlogic S905X3 2GB Free Porm TV Box.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [High Quality Glycolic Acid/ Hydroxyacetic Acid CAS 79 -14-1]

Gabon Okoume Veneer a B C D Grade From Factory to India, 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.         [15ml OEM Glossy Shine Longlasting Base Foundation Top Coat Nail UV LED Gel Polish]

Gabon Okoume Veneer a B C D Grade From Factory to India, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Ash Solid Wood decoration Board]

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.         [Dual 12" Subwoofer Speaker Box]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [High Fidelity Professional Line Array Speaker ]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [15L Tinplate Closed Paint Bucket Water Based Glue Metal Pail]

USBM. 1987.New Product T95 Max+ S905X3 World 9.0 6K 4G Lte Download User Manual for Max 4K Smart Android Box TV,Food Grade 280ml Empty Tin Can for Camellia Oil-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [China Factory 1390 90W Laser Cutting Machine for Sale]

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.         [Plastic Sheet Machine PC Polycarbonate Solid]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Wireless Module Qualcomm Atheros Qca9880 Wle900vx 802.11AC Wave 1 Minipcie WiFi Network CardChinese Famous Brand Canmax Wheel Loader Cm908 Using Hydraulic Pump Machinery Can Be Used in FarmsCorresponding author