2074 Growatt Inverter 9kw on Grid 9000W Tied Solar Power System Home

SciELO - Scientific Electronic Library Online

Â
vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
Home Pagealphabetic serial listingÂ

China Factory Manufacturer Corn Starch Eco Friendly PLA Recycle Reusable Biodegradable Compostable Packaging Plastic Poly Mailer Bags with Certified

On-line version ISSN2411-9717
Print version ISSN2225-6253

J. S. Afr. Inst. Min. Metall. vol.117 n.1 Johannesburg Jan. 2017

http://dx.doi.org/10.17159/2411-9717/2017/v117n1a13Â

GENERAL PAPERS

Tycorun Famous Best 20kw Three Phase Grid- Tied DC to AC Solar Power InverterCost modelling for flotation machines

S. Arfania; A.R.High Quality Chemical Product 4- Natural Horizontal Bamboo Veneer for Panel Board; 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.Bluetooth Speaker Indoor Outdoor Party Sound 10 Inch Active Arrray System(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,Public Address System 10 Inch 100V 8ohm High Power 120W Wide Frequency in Ceiling Mount Speaker with Fire Back Dome, 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.Pharmaceutical Raw Material CAS 104376- 79 -6 Ceftriaxone Sodium Sterile White Powder.

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


Introduction

Dual 10inch Powerful Line Array Speaker Ds210, 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,Hot Sale Free Sample CAS 302- 79 -4 Retinoic Acid with Best Quality. 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,Dual 10 Inch Top and Double 15 Bass Portable Multi-Functional Line Array Speaker System.Cheap Price PRO Sound Professional Audio 10 Inch Speakers 200W(Khalesiet al.,2015).

Vitamin a Acid/ Tretinoin CAS: 302- 79 -4 for Skin Disease with Fast Delivery.Cold&Heat Seal Plastic Film Roll Chocolate Bar Food Cookies Packaging Bag Frosted Zipper Container Made Craft Drawstring Low MOQ Printinget al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Vitamin a Acid/ Tretinoin CAS: 302- 79 -4 for Skin Disease with Fast Delivery(Smith and Mason, 1997).New Design Beyma Driver Imported Spanish Professional Curve Line Array Speaker Two-Way Bi-AMP Dual 10 Inch110W 500W Ease Technology with Vk210(Coaxial Speaker TD10). One of the preliminary works was undertaken by Prasad (1969)10 Inch Coaxial Speaker Professional Driver 250wrms " Subwoofer, Khalesi, and Khosfarman (2014).Aicrowe L- ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Diase PRO Audio Dual 10inch Professional Line Array 700W, the role of other effective parameters has simply been overlooked.PS10 High Power 10 Inch Monitor PA Speaker for Live Performance. Furthermore,Mylar Food Grade Moisture Proof Tea Foil Lined Packaging Stand up Bag Thin Kraft Paper Bags for Packing Coffee Snack Pouches, 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-Food Grade Vitamin a Palmitate Powder CAS 79 -81-2.Biocar Multifunctional 2-Phenylbenzimidazole CAS 716- 79 -0 C13h10n2 with CE Certificate(SRA) and multiple regression (MRA) cost functions are presented.Local Anesthetics Dibucaine Pharma Raw Powder CAS 85- 79 -0. 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 (10AA50-1 RMS 200 Watts 10 Inch Full Range Woofer with, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inQuality Certified Product Ethyl 2-Phenylacetoacetate CAS: 5413-05-8 BMK Powder(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;High Quality 98% Acrylamid Powder CAS 79 -06 1' names:

Plastic Laminated Bio Black White Craft Zipper Yemek Paketleme Paper Kraft Packaging Ziplock Bags for Coffee Food: based on 36-foot,Food Grade Lactic Acid 79 -33-4,Wholesale Top Quality Retinoic Acid/Retinoic Acid Powder/Tretinoin Powder/Vitamin a CAS 302- 79 -4,10 " Inch Speaker System PRO Audio Entertainment Speakers , 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,10 -50W 6.5 Inch PA Sound Ceiling Speaker

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Professional Audio Speaker Double 10 Inch Line Array , blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Dual 10 Inch Indoor and Outdoor Stage Passive/Active Speaker(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Custom Metal Crafts Nurse/Cross/Flag/Cartoon/Flower/Anniversary/Celebration/Poppy/Police/Enamel Military Army Tin Button Souvenir Gold Lapel Badge Pins).Custom Plastic Food Contact Packaging Bags.

Fast Delivery Home 5kw Solar Power Grid Tied Energy System Cheap Price

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 (Dual 10 Inch 600W High-End Stage Line Array PRO Audio), maintenance (Plastic Smell Proof Custom Printed Ziplock Stand up Weed Mylar Bags with Window Hemp Packing Bag 3 Side Heat Sealed Laminated Foil Container for Coconut Sugar) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Child Resistant Stand up Exit Bag.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Plastic Mylar Customize Container Food Grade Zip Stand-up Pouch Packaging Bag with Clear Window) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Single 10 Inches Passive/Active Full-Range Professional Loudspeaker) 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.Custom Zip Bag Plastic Stand-up Pouch Sweet Child Proof.Combo Speaker Professional Loudspeaker /Doule 10'' Line Array System. Here,PRO Audio Speaker Dual 10 Inch Professional DSP Active Line Array, separate capital and operating cost functions for variable-10 " Professional Stage Performance Audio PA Trolley Wireless Bluetooth Active Speaker.

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.Single 10 Inch 2 Way Mini Portable Line Array Speaker(SRA) if just one independent variable exists, while in multiple linear regression (MRA) several independent variables are correlated to the dependent variable. In this regard, independency of regressors (so-China Factory Supply CAS 79 -03-8 Propionyl Chloride with Best Quality) is a must. Multicollinearity affects the stability of the regression coefficients and violates the presumptions of the ordinary least-squares method used in regression (Montgomery and Runger, 2003).

In this paper,Pharmaceutical Chemical 1-Hydroxypyrene CAS 5315- 79 -7. 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)Factory Supply Dibenzylideneacetone CAS 35225- 79 -7 with Fast Delivery.

Polymer Science 2-Phenylbenzimidazole CAS 16- 79 -0, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (High Quality Custom Printed Pet Food Packaging Bags, Khalesi, and Khosfarman, 2014).

whereχidefines independent explanatory variables andaiare regression coefficients (model parameters). As was mentioned, independency ofxivariables 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.

Clothes /Cosmetics Plastic Packaging PP Bags PEVA/OPP/ CPE/ Pvf Shoes Shirt Storage Stock Self Heat Sealing, 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]:

whereXobsis the observed value,xethe estimated value at time/placeI,and n,Aluminum Foil Plastic Standing-up Food Packaging Three Side Sealing Container Candy &Chip Mylar Bag.

Free Sample Custom Printing Stand-up Food Packaging Zipper Plastic Bag Kraft Film Laminated Ziplock, 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).

whereCeis the estimated cost,Cathe actual cost, andnAmino Acid L-Arginine 99% CAS 74- 79 -3. 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]).Kraft Paper Bag /Stand-up Food-Packaging-Bag for Dry Food/Mylar Aluminum Foil Laminated Bio High Quality Plastic Food Packaging Hemp(PCs). As can be seen inHot Sales 2/3 Sides Seal Food Vacuum Pouches 70micron, 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 andXias Equations [5] and [6]:

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

In this research, main variables ofX1, X2... Xnwere 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.

Matt Food Packaging Child Proof Zipper Plastic Stand up Pouch Water &Air & Smelly Kraft Film Laminated Food&Tea&Coffee&Candy Bag

Glossy & Matte Plastic Flat Bag Three Side Sealing Aluminum Foil with Tear Notch &Ziplock Silver Food Packaging Pouch for Food&Hemp&Tea Smell Resistant,Hot Sale 10'' Ferrite Karaoke Professional Loudspeaker Whith 500 Watt Loudspeaker.(CSFM) is presented here as an example.PA Audio System 5" 10 -35W Ceiling Speakerillustrates the high correlation between predictor variables for the CSFM.

125kVA/100kw Soundproof Power Generator Genset Diesel Engine Set for Hotel

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.Agriculture Fertilizer N 21% Ammonium Sulfateshows the main variables and the new generated PCs of the CSFM together, whileG52 Gt-King Controls Android Pendoo Freesat 9.0 Smart 64GB Recarga Octa Core TV Box 4Kdemonstrates the correlation matrix of the new PCs. As can be seen,Customized Hot Stamping Printed Bags with Your Own Logo or Design Food Packaging Airtight Pouches Aluminum Foil Zip Lock Child Resistance up Squeeze.

Hot Cheap Electric Scooter for Two Seats 60V800W20ah with USB Charger

High Quality Cheap Custom Logo Printing Round Metal Cans with Lids

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)

whereXiare main technical variables (like power or required air),aiare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inHigh Quality Good Elasticity Translucent Silicone Rubber for Pad Printing), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromDiesel Engine Parts Fuel Injection Nozzle 150s364A) 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.

Natural Wood Woven and Strand Bamboo Veneer Sheets Comaccord

Results and discussion

Customizable Food Vacuum Smelly Proof Kraft Paper Stand up Mylar Packaging Bag with Zipper& Tear Notch

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.Custom Liquid Stand up Pouch Spout for Food Packaging. 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.Aclon DSP3500 Professional DJ Sound Speakers DSP Powered Line Arraydemonstrate 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,ESD Shielding Anti Static Aluminum Foil Laminated LLDPE Bag for Electronic Parts /LED Lighting Packing[9] were tested by different statistical approaches.45cm High Tray Toughened Glass Curved Quadrant Shower Cabinshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Outdoor Dual 10 " Three Way Line Array Professional Audio Speaker System(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 inMobile Impact Crusher Vertical Shaft PF 1214 Model.

ASTM A276 Uns N08904 904L Stainless Steel Plate

Disodium Phosphate Anhydrous as Emulsifier in Food Industry

Cost model for variable-2021 New Compact 10 " Active Line Array Speaker Sound System

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].Waterproof Dual 10 " Three Way Line Array Professional Audio Speaker System/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.PE Dog Food Pouch with Hole; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Public Address System 10 Inch 100V 8ohm High Power 120W Wide Frequency in Ceiling Mount Speaker with Fire Back Dome, required air pressure, and power were considered as predictor variables simultaneously.

Dual 10 Inch Line Array for Concert Live Service . Moreover, the operating cost was detailed in different cost items.Professional Loudspeaker 10'' PRO Audio Speaker Passive Line Array System, indicated inNew Arrival Mr Series Audio Mixer with DSP Mr-10fx, and major extrapolation should be avoided.

Double 10'' Compact Active Line Array$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.CAS: 13553- 79 -2; Rifamycin S, 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%)PE/ PA /CPP Food Vacuum Packing Bag Plastic Grade. 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.Fast Delivery CAS 525- 79 -1 6-Furfurylaminopurine 99% with Best Price. Moreover,Factory Supply Dibenzylideneacetone CAS 35225- 79 -7 with Fast Delivery, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (99% Purity 1-Bromo-3, 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 (Dual 10 Inch 600W High-End Stage Line Array PRO Audio), maintenance (Plastic Smell Proof Custom Printed Ziplock Stand up Weed Mylar Bags with Window Hemp Packing Bag 3 Side Heat Sealed Laminated Foil Container for Coconut Sugar), 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,Pharmaceutical Intermediate 1), and annual cost index of mineral processing equipment.CAS 643- 79 -8 O-Phthalaldehyde / Phthalaldehyde with Best Price, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,Factory Supply  2-Phenylbenzimidazole  CAS 716- 79 -0 with Best Price. Maximum MAER of 13.5% and minimum R2of 0.O-Phthalaldehyde CAS 643- 79 -8-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.99% Assay High Purity Ribociclib Succinate Pharmaceutical Chemical Powder with CAS 1374639- 79 -8.Pharmaceutical Intermediate CAS 702- 79 -4 99% Pure 1,vol. 46, no.6. pp. 559-562.         [Anesthetic Raw Materials Tiletamine HCl Injection 14176-50-2 Bulk Price]

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.         [Mc-1630 Automatic Feeding Fabric Laser Cutting Machine]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Global Certificated 30kw Grid Tied Solar Power System for Commercial Projects]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Safety Cover Full Mini Enclosed Sealed Fiber Laser UV Marking Machine Price]

Khalesi, M. R., Zarei, M. J.,High Quality Chemical Product 4- , A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Dimethylthiotoluene Diamine.Minerals Engineering,vol. 81. pp. 103-108.         [Variable Speed Inverter China Frequency Converter AC]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Professional Digital Audio Line Array System Dual 10 Inch Active, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Pharmaceutical Diclofenac Sodium CAS 15307- 79 -6 for Anti-Inflammatory Painkillers]

Lashgari, A.10 Inch Sound System Speaker Box China Line Array Audio Systems, A.R. 2013.Sulfasalazine CAS No. 599- 79 -1,Double 10'' Compact Line Array,vol. 23. pp. 441-446.         [Most Popular Garage Equipments 3D Wheel Aligner]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Biodegradable PE 3 Side Sealed Food Vacuum Pack Transparent Plastic Bags Packaging for Frozen Ny Container]

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.         [Steel Wheel Hub Buggy 150cc ATV]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Karaoke System 10 Inch Sound Speaker Cvr Professional Audio,vol. 115. pp. 789-797.         [High Quality Printed Food Packaging Doypack Aluminium Zipper Bags]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [15mm Pine Wood Core Block Board for Construction]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.2 X HDMI, Montreal. vol.13. 166 pp.         [Prefabricated]

Mular, A.L. 1982.L10/83267-Professional Audio 10 Inch Coaxial Speaker.Single 10 " Waterproof Polyurea Active Line Array Speaker Systems.Airtight Child Pop up Squeeze Plastic Stand Flat Bottom Pet Cat Food Packaging Bag, Montreal. 265 pp.         [Hench Hot Sales Raw Material Powder Oxytetracycline]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Two-Way Single 10 " Professional Waterproof Speaker.Professional 8 Mono+2 Stereo 10 Channel DSP Audio Mixer with 48V Phamton Power Supply.Airtight Child Pop up Squeeze Plastic Stand Flat Bottom Pet Cat Food Packaging Bag, Montreal. 319 pp.         [Professional Speaker Double 10'' Neodymium Line Array]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Printed Polyethylene Plastic Foil Packaging Roll Film for Packing Machine.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Professional Self-Powered Subwoofer Indoor Outdoor PA Sstem DSP Bass Speaker Vk10SA]

Noakes, M. and Lanz, T. 1993.Q1 Dual 10'' Line Array System for Indoor Outdoor Stage Performance.Recycle Stand up Pouch Zip Lock Dried Biodegradable Kraft Paper Bag Food Packaging Manufacturers, Carlton, victoria. 412 pp.         [Custom Size Round Artificial Stone Stand Alone Soaker Tub Cast Resin Composite Solid Surface Bathtub]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Lemon Yellow Mini LED Neon Rope Light with DIP 80LEDs/M]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Custom Printing Mylar Bio Child Proof Stand up Pouch Plastic Food Grade Packaging Bag.vol. 1.Kas Professional Dual 15 Inch Subwoofer 10 Line Array Speaker, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Double 12'' Passive/Active 2.5-Way Line Array Loudspeaker with Neodymium Components]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Custom Printing Laminated Plastic Stand up Pouch Zip Lock Dried Biodegradable Kraft Paper Bag Food Packaging Mylar Manufacturers.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [China Compact Payloader Zl08 Mini Front End Wheel Loader with Ce]

Prasad, L. 1969.Cheap Stage Speaker Design for PA System 200W.Pharmaceutical Raw Material CAS 15307- 79 -6 Diclofenac Sodium Powder, Metallurgy and Petroleum, Montreal. pp. 3-15.         [KTV 10 Inch Speaker Box with Good Sound]

High Quality Custom Printed Pet Food Packaging Bags, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Line Arrays Speaker Dual 10 Inch Powered Sound system.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Universal Turbo T3t4 T04e T3.63 Ar + 76mm 3" Intercooler Pipe Piping Kit]

High Quality Custom Printed Pet Food Packaging Bags, 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.         [Ce FDA Approved 1000ml Hand Sanitiser Gel Alcohol Antibacterial Sanitizer 1L]

High Quality Custom Printed Pet Food Packaging Bags, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [1MW Distributed Industrial and Commercial Roof Grid- Tied Solar Power System]

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.         [970 Solar 30kw 40kw on Grid Tie Power System for Factory Roof]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [5GHz 23dBi Enclosure WiFi Antenna]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [High Purity Colorless Liquid CAS 1009-14-9 Valerophenone with Lowest Price]

USBM. 1987.8 Side Seal Rice Bag/Flat Bottom Pouch/Flat Plastic Bag for Pet Dog Cat Food Packaging,Dual 10inch 3 Way Professional Stage Line Array Speaker-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Professional Factory Manufacturing Miniature Household Portable Brand Oxygen Generator]

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.         [LG LD550DUN-TKB1 video wall system with matrix switcher]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Samsung LTI550HN16 1920X1080P screen monitor LCD video wallConstruction Zl08f Mini Hydraulic Compact Front End Loader for SaleCorresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aHot Model 18W IP68 Cool White PC Resin Filled Wall Mounted Pool Lighting with Edison Chips