## Services on Demand

## Article

## Indicators

## Related links

- Cited by Google
- Similars in Google

## Share

## 150ml Neck24 Aluminium Screw Cap Clear Empty Pet Plastic Lotion/Cream Bottle

*On-lineÂ version*Â ISSN2411-9717

*PrintÂ version*Â ISSN2225-6253

### J. S. Afr. Inst. Min. Metall.Â vol.117Â n.1Â JohannesburgÂ Jan.Â 2017

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

**GENERAL PAPERS**

**98% Uvarigranol B\C\D\E Standard Reference Materials Plant ExtractsCost modelling for flotation machines**

**S. Arfania; A.R.Mountain Using Motorcycle with Strong Steel Tube Frame****Motorcycle Spare Part Oil Switch for Gy6 150; 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.10W 20W 30W portable Fiber Laser Marking Machine(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,CATV 860MHz One Way Amplifier, 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 R^{2}, 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 R^{2}of 0.CATV Optical Receiver Module Bgo887bo Excellent Flatness 40 to 860 MHz.

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

**Introduction**

CATV Amplifier Module Bgy887 24V 22.6db Excellent Return Loss Properties, 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,High Efficiency SIM Card Fiber Laser Marking Machine. 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,2021 New Machine Grade CO2 Laser Marking with a Discount.20W Fiber Laser Color Marking Machine for Colorful on Stainless Steel(Khalesi*et al.,*2015).

Mopa Fiber Laser Marking Machine for Black Printing.20W Table Fiber Laser Marking Machine for Metal Stainless Steel*et al.*(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for China Factory Price CAS 702- 79 -4 1(Smith and Mason, 1997).Portable Handheld Metal Plastic DOT Peen Marking Machine(Quadrant Framed Grey Glass Shower Enclosure Sliding Door Simple Room). One of the preliminary works was undertaken by Prasad (1969)5150-5850MHz Sector Panel Antenna with Gain 13dBi, Khalesi, and Khosfarman (2014).Dirt Bike for Sport Using with Large Power Engine; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Electricity Saver Device , the role of other effective parameters has simply been overlooked.3 Phase 50 - 60Hz Intelligent Power Saver. Furthermore,High Efficient Industrial Electric Motor Power Saver, 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-EEC 125/300cc Euro 5V Max Scooter-Alex One.Electricity Power Reducer (SRA) and multiple regression (MRA) cost functions are presented.Nylon OTR Bias Tyre/Tire Manufacture E3/L3 15.5-25 17.5-25 20.5-25. 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 (Electrical Saver Box , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inUns S32750 2507 S32760 F55 1.4501 Super Duplex Stainless Steel Bar(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Sector Panel Antenna ' names:

►15.5-25 17.5-25 20.5-25 23.5-25 OTR Tire: based on 36-foot,Growatt 2kw on Grid Inverter 2000W Tied for Solar Power System Home,Motorbike for 320cc with Police Cruiser Using Dry Weight 180kg,Heavy Duty Truck Tire 17.5-25 20.5-25 23.5-25, 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,Three Wheel Motor Tricycle Rickshaw Rear Axle

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Gas Powered Adult Tricycle Motor Farm, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (*D*), required air flow rate (AF),Motorcar for Both Civilc and Police Using with 320cc Displacement(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (10ton Manual Chain Hoist & Block).Police Using of Motorcycle for Cruiser with Displacement 320cc.

Globalipl Body Face Slimming Fine Jaw Line 20MHz Device

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 (High Quality Cylindrical Li-ion 12V 40ah 80ah Rechargeable Lithium Battery Pack for Portable Device), maintenance (7kwh Multi-Function Solar Energy Lithium Battery Ion for Home) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,5.8GHz WLAN/WiFi 0.9m Dual-Polarized Parabolic Antenna 32dBi Gain.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (45cm Offset Satellite TV Antenna with 200 Hour UV Test) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (5.8g Omni Antenna/Dual Frequency Antenna 2.4G 5.8g/2400-2500MHz Omi) 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.45cm Offset Satellite Dish TV Antennas.150ah Lithium Iron Phosphate . Here,2.4-2.5GHz/5-5.8GHz Dual Frequency WiFi Antenna Internet for Things, separate capital and operating cost functions for variable-E3/L3 17.5-25 20.5-25 1800-25 Durable Tyres for Scrapers.

*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.C Band Satellite TV Antenna 150cm(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-Eougem Original Cheap Radlader 0.8ton with Standard Bucket Made in China) 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,Dsola ODM/OEM Design High Efficient Mc4 Connector 3 in 1. 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:

where*Y*refers to capital or operating costs,*X*defines an independent variable (one of the machine predictor variables), and*a*and*b*are constant values (parameters)Portable OEM Rechargeable 12V 40ah 80ah Lithium Ion Battery with MPPT and Inverter.

Mc4t-Branch Connector for Parallel Solar Panel Pair Male and Female, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (4000W/5000W off Grid Tied Solar Power System, Khalesi, and Khosfarman, 2014).

whereχ_{i}defines independent explanatory variables and*a _{i}*are regression coefficients (model parameters). As was mentioned, independency of

*x*variables 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.

_{i}Internet TV Box Linux IPTV Zgemma I55, R^{2}, RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R^{2}is 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]:

where*X _{obs}*is the observed value,

*x*the estimated value at time/place

_{e}*I,*and n,L-Guard Wheel Loader L-5 OTR 45/65-45 Cheap Wholesale Tyres.

High Quality 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with Two Years Warranty, analysis of residuals, tests of MAER values and evaluation of R^{2}were 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).

where*C _{e}*is the estimated cost,

*C*the actual cost, and

_{a}*n*24V 40ah Lithium Iron Battery for Electric Bike. 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]).Dsola Chinese Supplier Multipurpose Mc4 Y Branch Connector(PCs). As can be seen inFactory Supply Disodium Phosphate Anhydrous Food Additive, neither*X _{1}*nor

*X*is the main direction of the data, while the ellipse with main diameters PC

_{2}_{1}and PC

_{2}matches 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 and

*X*as Equations [5] and [6]:

_{i}Crystal Fertilizer Ammonium Sulphate for Coumpound

In this research, main variables of*X _{1}, X_{2}*.

*.. X*were 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.

_{n}*Solar Inverter 10kw 20kw Single Phase 220V off Grid Tied for Home System*

Dsola Customized High Heat Resistance 2 Pins Mc4 Solar Connector,Wall Mounted Swimming Pool Lamp Underwater LED Light 18watt 12V RGB with Two Years Warranty(CSFM) is presented here as an example.ADSS Body Slimming Beauty Machine illustrates the high correlation between predictor variables for the CSFM.

Car Logo for Honda Brand Name Letter Emblems Stickers

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.Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692shows the main variables and the new generated PCs of the CSFM together, whileScarlet/ Violet / Purple/ Golden/Green Pigment Pastedemonstrates the correlation matrix of the new PCs. As can be seen,2074 Growatt Inverter 9kw on Grid 9000W Tied Solar Power System Home.

Cheap Electric Scooter 500W Pedal Bicycle 25km/H for Export

Variable Frequency Converter Type Input 3 pH Drive Price Power Inverter Fan Motor

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)

where*X _{i}*are main technical variables (like power or required air),

*a*are calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inOutdoor Sport Fitness Fanny Belt Pack Chest Waist Bag), S

_{i}_{ix}and X

_{i,ave}are the standard deviation and mean of main variables, respectively (can be found fromWhite Extrusion Granular Ammonium Sulphate China Factory) 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.

Dm 15 Inch PA Full Sound Systems Professional PRO Speaker

**Results and discussion**

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

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.Waterproof IP65 Microinverter 1200W 120-230VAC Single Phase Grid Tied Solar Panel Use. The R^{2}is about 0.94 for both cases,*i.e.*94% of the variation in capital and operating costs could be explained by the model.Electric Pipe End Bevelling Machinedemonstrate 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,Tycorun Famous Best 20kw Three Phase Grid- Tied DC to AC Solar Power Inverter[9] were tested by different statistical approaches.Pinergy Grid Tied Solar Panel System 6kw Energy 110V Single Phaseshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Solis 10kw Grid Tied Inverter Solis-10K-4G-LV Three Phases(a1, a_{2}, a_{3}) and new intercept (a_{0}) 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 inKing Quenson Fast Delivery Insecticide Bifenthrin 10% Ew Manufacturer.

Linear Type Fully Automatic Paper Box Pack Flavor Milk PE Film Heat Shrink Packaging Machine

3000W Grid Tied Solar System for Home Use

*Cost model for variable-New Pattern Design 17.5-25 20.5-25 26.5-25 off Road Tyre*

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].Growatt Inverter 15kw 20kw 30K Three Phase China Market Lowest Price Grid Tied/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.DC 1000V Mc4 Cable Connectors ; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,CATV 860MHz One Way Amplifier, required air pressure, and power were considered as predictor variables simultaneously.

2021 New Design 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with CE RoHS IP68 Reports. Moreover, the operating cost was detailed in different cost items.12V/24V/48V/60V/72V/96V LiFePO4 Battery 40ah/50ah/60ah/100ah/200ah Lithium Ion, indicated in20W 50W Portable Jpt/Ipg Laser Marking Machine in Germany, and major extrapolation should be avoided.

15kw Solar Inverter Grid Tied$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.Dsola Cheap Wholesale Multi Contact Mc4 Solar Connector Diode, 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 R^{2}values 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%)China Famous Brand Hr912 Shovel Loader for Agriculture Working. 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.Tanfon 5kVA off Grid Solar Inverter Tied /off Grid/Hybrid System. Moreover,25kw engine garden/farm/ construction 0.8ton front end backhoe wheel loader, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Solis 3 Phase 10kw 12kw 15kw 20kw Grid- Tied Inverter, 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 (High Quality Cylindrical Li-ion 12V 40ah 80ah Rechargeable Lithium Battery Pack for Portable Device), maintenance (7kwh Multi-Function Solar Energy Lithium Battery Ion for Home), 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,China Factory Lithium 150ah Battery with BMS AC Output), and annual cost index of mineral processing equipment.Intelligent Power Saver for Industry Use, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R^{2},CE Approved Wolf Wl80 Zl08 Mini Wheel Loader for Farm. Maximum MAER of 13.5% and minimum R^{2}of 0.Steel Copper Aluminum Iron DOT Peen Marking Machine with Rotary-feasibility and even feasibility study level of projects.

**References**

Camm, T.W. 1994.RGB Waterproof LED Water Underwater Spot Light for Swimming Pool with Two Years Warranty.*Made in China Strong Compact Mini Front Loader ,*vol. 46, no.6. pp. 559-562. [Direct Injection Diesel Engine with 6-Cylinder 4-Stroke Used for Electric Generator Sets]

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. [Custom Stainless Steel Torx Pan Head Machine Screw]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Hot Sale Factory Direct Colorful Electric Motorcycle for Passenger Made in China]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.*Educational and Psychological Measurement,*vol. 20. pp. 141-151. [Live Music Sound Line Array System for Acoustic and Electronic Performance]

Khalesi, M. R., Zarei, M. J.,Mountain Using Motorcycle with Strong Steel Tube Frame, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-2021 Best Selling 500W Electric Moped E Bike Bicycle with Pedals.*Minerals Engineering,*vol. 81. pp. 103-108. [500W Powered Speaker Professional Sound Line Array System ]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Manufacture 20W Fiber Laser Marking Machine for Engraving, neural networks, and case-based reasoning.*Building and Environment,*vol. 39, no. 10. pp. 1235-1242. [Speaker 12 Inch SA-212 Professional Sound Box Portable Passive]

Lashgari, A.3kw Air-Cooled UHF Digital TV Transmitter DTV, A.R. 2013.RGB Waterproof LED Water Underwater Spot Light for Swimming Pool with CE RoHS IP68 Reports,*Wholesale High Performance Metal Mc4 Connector,*vol. 23. pp. 441-446. [Outlet Surge Protector Australia Standard Plugs and Sockets 240V Conversion Plug]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [1L Panit Can]

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. [Two-Way Passive Line Array ]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.*No Flicker Glare High Purity RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Edison Chip,*vol. 115. pp. 789-797. [Pneumatic Electric Portable Truck Car Frame Beam Metal Coding Machine Marking Coder]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Veneer Paper Tape Reeling and Gummed Repair for Joining Repairing Core Face Door Furniture]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.1L Four-Color Cmyk Printing Lubricant Oil Packaging Tin Can for Car, Montreal. vol.13. 166 pp. [Vibrated Concrete Hollow Block Making Machine Price in Zambia]

Mular, A.L. 1982.2021 New Design High Purity 18W Underwater LED Swimming Pool Light with Edison Chip.*IP67 1000V 3 to 1 PV Mc4 T Branch Solar Connector.*Portable Fiber Laser Marking Machine for Vin Code/Number, Montreal. 265 pp. [Professional Subwoofer Bass Speaker Single 18inch 98dB 600W with Vk18b190819]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.1L Empty Round Edilbe Cooking Oil Metal Tin.*2021 Set Top Box Global Version S922X TV Smart HD Android 9.0 Internet 8K.*Portable Fiber Laser Marking Machine for Vin Code/Number, Montreal. 319 pp. [Electric Bike 800W ODM Mountain Ebike with Powerful Motor]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Max Source Fiber Machine Laser Marking for Vin Number.*Journal of Manufacturing Science and Engineering,*vol. 128. pp. 563-575. [Hot Selling 800W Brushless Motor Electric Scooter Motorcycle]

Noakes, M. and Lanz, T. 1993.1L Custom Round Small Metal Empty Tin Cans with Lids.2021 Hot Sale 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warranty, Carlton, victoria. 412 pp. [10'' Inch Ferrite Woofer]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,*CIM Bulletin,*February. pp. 87-89. [Hospital Doctor Nurse 3 Ply Non Woven Mouth Breathing Nose Face Virus Protective Surgical Medical Dust Disposable Mask]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.*500W/ 800W Brushless Motor Electric Mobility Scooter for Cargo .*vol. 1.1L Microstome Metal Drum Customization Printing Logo, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Electric Motorcycle ]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:1L Metal Tin Cans with Lid for Paint or Chemical.*Minerals Engineering,*vol. 5, no. 8. pp. 883-893. [4u 16 in 1 Agile CATV RF Modulator Channels]

Prasad, L. 1969.Free Sample 5GHz Antenna Rubber Gain.Sanland 860MHz 34dB Gain CATV Push-Pull Amplifier Module , Metallurgy and Petroleum, Montreal. pp. 3-15. [Chinese Chery 1500cc 4X4 Sport Buggies ATV UTV Quad Scooter]

4000W/5000W off Grid Tied Solar Power System, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-1L Printed Round Metal Paint Tin Can with Lid.*Tunnelling and Underground Space Technology,*vol. 27. pp.133-141. [Factory Supply 2-Phenylbenzimidazole CAS 716- 79 -0 with Best Price]

4000W/5000W off Grid Tied Solar Power System, 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. [Perfume with Fresh Brand in 2021]

4000W/5000W off Grid Tied Solar Power System, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.*Minerals Engineering,*vol. 55. pp. 96-102. [Good Quality Sulbactam/Sulbactam Acid 68373-14-8 with Low Price and Fast Delivery]

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. [Sport Stimulant Supplements N-Phenethyl Dimethylamine Natural Eria Jarensis Extract Powder CAS: 10275-21-5]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.*Information Circular*9170, 94. US Bureau of Mines. [3phase VFD]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [High Stable Universal Pressure Transmitter]

USBM. 1987.4G 32g H96 Max 3566 World International Best Custom Internet Digital TV Converter 4K Smart Android Box,38mm 42mm CATV Plug in 0~20dB Hfc Attenuator Pad-metallic minerals expected fossil fuels in the United States and Canada.*Openfile report*10-87. US Bureau of Mines, Denver, CO. 134 pp. [Two Speed Adjust Frameless Door Floor Closer Spring HD 817]

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. [Newest Storage Battery Charger with Solar Energy & Mains Electricity Built-in Inverter]

Paper received Apr. 2015

Revised paper Received Jul. 2016

0.8 Ton Mini Front Loader Wl80 Shovel for Garden/FarmGy6 Engine Gas ScooterCorresponding author