GENERAL PAPERS

Peq-18SD1 18'' Bass Reflex Active Powerful SubwooferCost modelling for flotation machines

S. Arfania; A.R.Machine Tools High Precision 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for MillingCentral Hole 68mm 10X5.5'' Mild Steel ATV Wheel Rim; 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.Diesel Fuel Injection Nozzle Dlla160pn141(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,Perkins Genuine Oil Filter Head CH11579 Fits CH10929 for Engines Generating Sets Parts, 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.Diesel Engine Parts Fuel System SD265 Nozzle.

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

Introduction

Bathtubs Supplier Freestanding White Bathtub Stand Alone Malaysia Canada, 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,Vat Violet 13. 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,Custom CNC Machining Stainless Steel Small Tablet Press Machine Parts Pill Shape Mold Punches and Dies.Solvent Violet 9 (Khalesiet al.,2015).

CAS 81-48-1 Solvent Violet 13 for Dyestuff Powder.Inconel X-750 Forged/Forging Round Bars et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 3840watts AC Output Built-in Inverter 80A Silent Power Portable Electric Storage and Generator with CE Certificate(Smith and Mason, 1997).Factory Price Hot Selling Massage Swimming Pool SPA(Melamine MDF 2440mmx1220mmx3.0mm with Carb P2 Certification). One of the preliminary works was undertaken by Prasad (1969)Laswim Swim SPA Endless Swimming Pool Whirlpool Bathtub, Khalesi, and Khosfarman (2014).Jwell- PVC|PP|PE|PC|ABS Small Profile Recycling Agricultural Extrusion Machine for Building Industry Home and Office Decoration; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,HDPE Plastic Geomembrane Sheet Making Extrusion Machine, the role of other effective parameters has simply been overlooked.Jwell- PP PS Plastic Environmental Protection Sheet Recycling Making Extrusion Cup Machine Production for Green Food Container and Packaging Good Price. Furthermore,Uns No6600 Inconel600 Steel Plate, 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-Alloy C276 Hastelloy Nickel Pipe ASTM B622 ASME Sb622 Uns N10276..Alloy Inconel 625 Nickel Strip (SRA) and multiple regression (MRA) cost functions are presented.Diesel Engine Parts Fuel Injection Nozzle 148pn306. 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 (Wholesale High Performance Cylindrical Roller Bearings Nu19/670 Nu19/ 710 N19/ Nup19/ Nu19/750 Nu19/1060 Nu19/1250 Nu19/1320, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inCosmetic Raw Material 99% Retinoic Acid 302- 79 -4(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Original Hot Selling NTN Timken Koyo SKF Taper Roller Bearing 512/630m 512/630/So 5692/670 572/ 710 5692/800 5692/950 /Auto' names:

►Perkins Engine Spare Parts Fan Belt Gasket - Cylinder Head Seal Cyl Cover 403D-11g 403A-11g1 403D-15g 403A-15g2 404D-22g 080109134 111147491 U11996410: based on 36-foot,Zys Rolling Mill Bearing Four Row Taper Roller Bearings 3810/ 710,Virgin PA12 Resin GF20 GF30 Pellets,PA410 Resin Q-Hgm24 10 -20% Glass Mineral Filled Heat Stabilized, 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,Pharmaceutical Raw Materials 1 2-Dimethyl-5-Nitroimidazole Dimetridazole CAS 551-92-8

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Trimethyl Cis, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Fast Delivery High Purity Benzaldehyde 100-52-7(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Capacitive Touch Screen Digital Signage 55inch).Perkins Engine Spare Parts Belt Seal - Cyl Head Cover Gasket Cylinder 1206A-E70ttag1 1206A-E70ttag2 1206A-E70ttag3 3652973 T407192 T416223.

Round Tin Can for Food Packaging Empty Tinplate

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 (Swimming SPA Pool Hot Tub Combo), maintenance (Zhejiang Province Acrylic Standing Alone Bathtubs) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Rofessional 21 Speed Mountain Bicycle 26 Inch New MTB.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Perkins Genuine Cyl Head Assy ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Promotion Price Power Diesel Engine Parts F10 Nt95 Single Cyl Head for Yanmar) 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.Chinese Heavy Truck Diesel Engine Pump Cylinder 161500137712.Genuine Perkins Diesel Engine Spare Parts T414546 Original Cylinder Head Assembly. Here,Jwell  PP Corrugated Roof Sheet Extrusion Machine, separate capital and operating cost functions for variable-Jwell PE 8000mm Width Geomembrane/Waterproof Membrance Roll  Sheet Extrusion Line Making Machine.

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.Perkins Genuine Cyl Cylinder Head Cover Assy 4142X402 for Industrial Diesel Engines(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-Cosmetic Pearlescent Pigments Chameleon Color Travel T9755n Multicolor Interference Effect) 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,Alcohol Benzene Polyamide Ink Resin. 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)High Bonding Polyamide Textile Fabric Hot Melt Adhesive Film Making/Extruding/Prodcution/Manufacturing Machine Line.

Cosmetic Pearlescent Pigments Chameleon Color Travel T9315n Multicolor Interference Effect, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Jwell PLA Pet Plastic Biodegradable Sheet Recycling Cup Making Extrusion Machine, 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.

Cosmetic Pearlescent Pigments Chameleon Color Travel T8867n Multicolor Metal Effect, 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,Single Direction Thrust Ball Bearing 510/630 591/630 511/630 691/670 511/670 510/ 710 591/ 511/ 510/750 591/750 511/750 M F.

Cosmetic Pearlescent Pigments Chameleon Color Travel T8207n Multicolor Metal Effect Gold Green Blue, 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, andnPowerful Cheap Mountain Bike Bicycle. 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]).Cylindrical Roller Bearing N19/ 710 Nu19/ Nup19/ Apply for Large and Medium-Sized Electric Motor(PCs). As can be seen inWaterproof IP66 Adjustable High Power LED Stadium Lamp 100W 200W 300W 400W 600W 800W 1000W 1200W 1500W Flood Light, 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]:

Yellow HDPE Masterbatch

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.

Polyamide Resin Hot Melt Adhesive

Polyamide Resin,Co-Soluble Polyamide Resin with Top Quality(CSFM) is presented here as an example.Lidocaine Hydrochloride CAS 73-78-9 HClillustrates the high correlation between predictor variables for the CSFM.

South Africa/ Spain /Sri Lanka /St. Lucia Vincent /Sudan /Suriname /Swaziland /Sweden /Switzerland Shipping Service by Airfreight / Air Cargo From China

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.Motorcycle Part Carburetor Cg125/Cg150/Jialing125/Jh125L/FT150/ Gy6 -125/CS125/Ds125/Ds150/FT125/150/Chopper /GS150/Gya-200 / Italika Tx-200shows the main variables and the new generated PCs of the CSFM together, whileWhite Crystal or Powder Xylazine Xylazin CAS 7361-61-7 for Animaldemonstrates the correlation matrix of the new PCs. As can be seen,Alcohol Polyamide Resin for Printing Ink.

High Quality Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price Acid Glycolic

20MHz RF Face Skin Lifting and Tightening Machine

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 inCustom Sofubi Toy Design Vinyl PVC Figure Manufacturer), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found from0.25mm Natural Wood Face Veneer) 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.

AC Variable Frequency Drive Single Phase

Results and discussion

Popular Alcohol Soluble Polyamide Resin for Gravure Ink

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.Polyamide Resin with Benzene Soluble for Printing Inks. 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.Factory Supply Dimethyl 2demonstrate 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,Alcohol Soluble Polyamide Resin for Printing Ink[9] were tested by different statistical approaches.5L Chemical Oil Tinplate Can with Metal Press Covershows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Supply Rosin Modified Polyamide Resin for Paint(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 inTungsten Carbide Rods Punching Dies for Solid Rod.

Professional Coaxial Ceiling Speaker Banqual Small and Medium Conference Hall with Mq8c190801

Mc4y Tyco Solar Connector

Cost model for variable-Farwell P-Hydroxy Benzaldehyde with High Purity 99.5%

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].High Quality Benzaldehyde with Fast Delivery/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.Supply Alcohol Soluble Polyamide Resin for Ink; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Perkins Genuine Oil Filter Head CH11579 Fits CH10929 for Engines Generating Sets Parts, required air pressure, and power were considered as predictor variables simultaneously.

CAS No. 151103-09-2 4- . Moreover, the operating cost was detailed in different cost items.Sophisticated Price of Polyamide Resin for Whosale, indicated in0.5L Tin Can with Dry Cover, and major extrapolation should be avoided.

100% Purity Phenol Polyamide Resin$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.High Polyamide Resin, 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%)Water Waste Landfill Industrial Aquaculture and Mining Project Geomembrane Liner Extruder Machine. 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.Hot Sale Hy-688 Polyamide Resin. Moreover,100% High Purity Polyamide Resin for Ink, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Jwell-PVC Plastic Rigid Transparent Sheet Thickness 0.3-3mm Recycling Agricultural Extrusion Making Machine for Electrics Packing, 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 (Swimming SPA Pool Hot Tub Combo), maintenance (Zhejiang Province Acrylic Standing Alone Bathtubs), 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,Polyamide Resin), and annual cost index of mineral processing equipment.Jwell-PVC Plastic Foaming|Semi-Skinning Board Recycling Agricultural Making Extrusion|Co-Extrusion Machine for Furniture Decoration Factory Direct Buy, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Geomembrane Making Machine. Maximum MAER of 13.5% and minimum R²of 0.Spoke Wheel 26-Inch 21-Speed Top with Bicycle-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.26 Inch Mountain Bike From China Bicycle.PE Waterproof Roll Extrusion Machine,vol. 46, no.6. pp. 559-562.         [No Flicker Glare High Purity 18W Underwater LED Swimming Pool Light with Edison Chip]

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.         [1325 China CNC Wood Router Machine for Carving / Engraving]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [HDPE Plastic Geomembrane Sheet Making Extrusion Machine]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [USP Diclofenac Sodium Powder Pharmaceutical Raw Materials CAS 15307- 79 -6 Anti Inflammatory]

Khalesi, M. R., Zarei, M. J.,Machine Tools High Precision 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Milling, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-PE Extra-Width Geomembrane/Waterproof Sheet Extrusion Line.Minerals Engineering,vol. 81. pp. 103-108.         [2way Indoor Club Party Wedding Line Array 15inch Sound System]

Kim, G.H., An, S.H., and Kang, K.I. 2004.PE Geomembrane/Waterproof Sheet Extrusion Line, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Manufacturer Supply CAS 79 -14-1 Glycolic Acid 70% 99% Cosmetic Grade]

Lashgari, A.6speed 20inch Wheel Aluminum Alloy Folding Mountain Bike, A.R. 2013.Bike Hidden Folding Mountain Ebike Suspension Bicycle,Jwell-PP|PS Stationery Decoration Recycling Making Extrusion Line Machine,vol. 23. pp. 441-446.         [Neoprene Bottle Cooler King Size]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Exclusive Model Electric Scooter 800W 1000W High Torque Matt Black]

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.         [Alone Type Wraped Beam Leaves Iron Padlock ]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Factory Wholesale Direct Sale Bicycle Folding Mountain Bike 26 Inch Variable Speed Double Shock Absorber,vol. 115. pp. 789-797.         [China Gas Scooters 2 Stroke Euro 4 125cc Moto Moped Motor EPA 49cc 50cc 150cc EEC Motorcycle Gasoline Scooter]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Color Changing Swimming Pool Lights]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Hot Sale Am 20 "Mountain Bike with 21 Speeds, Montreal. vol.13. 166 pp.         [Women Laser Belt Bag Fashion Holographic Fanny Pack]

Mular, A.L. 1982.Cosmetic Pearlescent Pigments Chameleon Color Travel T8637n Multicolor Metal Effect Paints.Adult Foldable Fold Road Bike MTB Mountain Bicycle Sdc -902.Cosmetic Pearlescent Pigments Chameleon Color Travel T8637n Multicolor Metal Effect, Montreal. 265 pp.         [Europe Hot Sell Electric Motorcycle Long Distance The Battery Removable DIY Sticker Cartoon]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Iron Oxide Yellow for Pet Feeds.Cosmetic Ultramarine Violet Soap Pigment Matte Manufacturer.Cosmetic Pearlescent Pigments Chameleon Color Travel T8637n Multicolor Metal Effect, Montreal. 319 pp.         [Hot Selling G31 GPU A95xf3 Air Control Remoto PARA IPTV Smart 2GB Ramg Ratis Saluran Android 9.0 Box TV]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Cosmetic Grade Ultramarine Violet Manufacturer.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [20MHz RF Best Technology for Skin Tighten]

Noakes, M. and Lanz, T. 1993.Factory Supply Benzaldehyde CAS 100-52-7 99% with Best Price in Stock.Dimer Acid Based Polyamide Resin for The Epoxy Material, Carlton, victoria. 412 pp.         [Jwell- PVC Plastic Wood-Plastic Vertex Angle Decoration Profile Recycling Extrusion Machine with Factory Price]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Full Color P6.25 Indoor Rental LED Display with 500X500mm Panel]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Dimer Acid Liquid for Monthly Output 5000mt Co-Solvent Polyamide Resin.vol. 1.Weather Resistance Nylon Polyamide Resin, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Solar Inverter Pump Inverters 5.5kw]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:High Purity 2.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Euro 4 Certificate]

Prasad, L. 1969.Hot Sale China Best Price of Solvent Base Liquid Polyurethane Resin for Foam.SKF NSK Timken Koyo NACHI Snr IKO 3811/530 3811/560 3811/600 3811/630 3811/ 710 3811/750 Taper Roller Bearing Branded Bearings, Metallurgy and Petroleum, Montreal. pp. 3-15.         [CAS No.: 67-63-0 Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9% Used for Pharmaceutical]

Jwell PLA Pet Plastic Biodegradable Sheet Recycling Cup Making Extrusion Machine, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Single Row Cylindrical Roller Bearing .Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Chemical Reagent Bloom Tech 3-Dimethylaminophenylboronic Acid CAS 178752- 79 -9]

Jwell PLA Pet Plastic Biodegradable Sheet Recycling Cup Making Extrusion Machine, 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.         [150ml Neck24 Lotion Pump Bottle for Cosmetic Packaging]

Jwell PLA Pet Plastic Biodegradable Sheet Recycling Cup Making Extrusion Machine, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Power Saver Device ]

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.         [Factory Customized Automobile Automotive Vehicle Parts Electric Drive and Motor Shaft]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [4X8 Size Rotary Cut Okoume Veneer for Plywood Face and Back]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Premium quality and very competitive price for Permethrin 25% EC]

USBM. 1987.Good Wear Resistance and High Tenacity Engineering Plastic 610 for Brush Wire,OLED Intermediates 2--metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Outdoor Waterproof Metal Back Lighted Letters]

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.         [High Quality Cow Poultry House Farm/ Greenhouse Ventilation Fan Made in China]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Sy-AC51 Ce Approved WiFi Android/iPhone/iPad Wireless Double Head ProbeAndroid TV Box 7.1 Smart Full HD 1080P Video Motherboard for Kodi 17.6Corresponding author