Automatic High Effective Ultrasound Bone Densitometer Made in China

SciELO - Scientific Electronic Library Online

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

30 Pieces of Factory Direct Nailnina632-Frosted Smoked Black Water Ripple False Nails

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

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


1L HDPE Plastic Bottle ChemicalCost modelling for flotation machines

S. Arfania; A.R.Engine 150cc China 3 Wheel Motor Tricycle Chinese Commercial98% Uvarigranol B\C\D\E Standard Reference Materials Plant Extracts; M.R. Khalesi

Tarbiat Modares University, Iran


Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.High Quality Cheap Classic Light Mini Reverse Three Wheel Motorcycle (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,Mountain Using Motorcycle with Strong Steel Tube Frame, 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 0.10W 20W 30W portable Fiber Laser Marking Machine.

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


CATV 860MHz One Way Amplifier, 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,CATV Optical Receiver Module Bgo887bo Excellent Flatness 40 to 860 MHz. 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,CATV Amplifier Module Bgy887 24V 22.6db Excellent Return Loss Properties.High Efficiency SIM Card Fiber Laser Marking Machine(Khalesiet al.,2015).

2021 New Machine Grade CO2 Laser Marking with a Discount.20W Fiber Laser Color Marking Machine for Colorful on Stainless Steelet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 2876 10kw Home Used Solar Power System on Grid Roof(Smith and Mason, 1997).Mopa Fiber Laser Marking Machine for Black Printing(Motorcycle Spare Part Oil Switch for Gy6 150). One of the preliminary works was undertaken by Prasad (1969)20W Table Fiber Laser Marking Machine for Metal Stainless Steel, Khalesi, and Khosfarman (2014).Portable Handheld Metal Plastic DOT Peen Marking Machine; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,5150-5850MHz Sector Panel Antenna with Gain 13dBi, the role of other effective parameters has simply been overlooked.Dirt Bike for Sport Using with Large Power Engine. Furthermore,Electricity Saver Device , and estimation of detailed operating cost items such as maintenance, lubrication, not possible. To overcome these deficiencies, this paper aims to introduce up-to-3 Phase 50 - 60Hz Intelligent Power Saver.High Efficient Industrial Electric Motor Power Saver(SRA) and multiple regression (MRA) cost functions are presented.EEC 125/300cc Euro 5V Max Scooter-Alex One. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.



Thirty-seven major flotation machines (Electricity Power Reducer , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inQuadrant Framed Grey Glass Shower Enclosure Sliding Door Simple Room(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Nylon OTR Bias Tyre/Tire Manufacture E3/L3 15.5-25 17.5-25 20.5-25' names:

Electrical Saver Box : based on 36-foot,Sector Panel Antenna ,15.5-25 17.5-25 20.5-25 23.5-25 OTR Tire,Growatt 2kw on Grid Inverter 2000W Tied for Solar Power System Home, 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,Motorbike for 320cc with Police Cruiser Using Dry Weight 180kg

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Heavy Duty Truck Tire 17.5-25 20.5-25 23.5-25, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Three Wheel Motor Tricycle Rickshaw Rear Axle(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (1.3mm Round Bamboo Incense Sticks for Sale Raw Material).Gas Powered Adult Tricycle Motor Farm.

Uns S32750 2507 S32760 F55 1.4501 Super Duplex Stainless Steel Bar

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 (Motorcar for Both Civilc and Police Using with 320cc Displacement), maintenance (Police Using of Motorcycle for Cruiser with Displacement 320cc) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,High Quality Cylindrical Li-ion 12V 40ah 80ah Rechargeable Lithium Battery Pack for Portable Device.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (7kwh Multi-Function Solar Energy Lithium Battery Ion for Home) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (5.8GHz WLAN/WiFi 0.9m Dual-Polarized Parabolic Antenna 32dBi Gain) 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 TV Antenna with 200 Hour UV Test.5.8g Omni Antenna/Dual Frequency Antenna 2.4G 5.8g/2400-2500MHz Omi. Here,45cm Offset Satellite Dish TV Antennas, separate capital and operating cost functions for variable-150ah Lithium Iron Phosphate .

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.2.4-2.5GHz/5-5.8GHz Dual Frequency WiFi Antenna Internet for Things(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-E3/L3 17.5-25 20.5-25 1800-25 Durable Tyres for Scrapers) 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,C Band Satellite TV Antenna 150cm. 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)Eougem Original Cheap Radlader 0.8ton with Standard Bucket Made in China.

Dsola ODM/OEM Design High Efficient Mc4 Connector 3 in 1, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Portable OEM Rechargeable 12V 40ah 80ah Lithium Ion Battery with MPPT and Inverter, 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.

Mc4t-Branch Connector for Parallel Solar Panel Pair Male and Female, 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,4000W/5000W off Grid Tied Solar Power System.

Internet TV Box Linux IPTV Zgemma I55, 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, andnL-Guard Wheel Loader L-5 OTR 45/65-45 Cheap Wholesale Tyres. 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]).High Quality 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with Two Years Warranty(PCs). As can be seen inGlobalipl Body Face Slimming Fine Jaw Line 20MHz Device, 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]:

Factory Supply Disodium Phosphate Anhydrous Food Additive

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.

24V 40ah Lithium Iron Battery for Electric Bike

Dsola Chinese Supplier Multipurpose Mc4 Y Branch Connector,Solar Inverter 10kw 20kw Single Phase 220V off Grid Tied for Home System(CSFM) is presented here as an example.Crystal Fertilizer Ammonium Sulphate for Coumpoundillustrates the high correlation between predictor variables for the CSFM.

Stamping Die

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.ADSS Body Slimming Beauty Machine shows the main variables and the new generated PCs of the CSFM together, whileAcoustic and Electric Guitar Hard Ware Machine Head Mh-3692demonstrates the correlation matrix of the new PCs. As can be seen,Dsola Customized High Heat Resistance 2 Pins Mc4 Solar Connector.

Scarlet/ Violet / Purple/ Golden/Green Pigment Paste

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

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 inDyestuff Sulphur Dyes Black B 200% Granule for Textile), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromVariable Frequency Converter Type Input 3 pH Drive Price Power Inverter Fan Motor) 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.

White Extrusion Granular Ammonium Sulphate China Factory

Results and discussion

Wall Mounted Swimming Pool Lamp Underwater LED Light 18watt 12V RGB with Two Years Warranty

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 0.2074 Growatt Inverter 9kw on Grid 9000W Tied Solar Power System Home. 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.Dm 15 Inch PA Full Sound Systems Professional PRO Speakerdemonstrate 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,Chinese Famous Brand Canmax Wheel Loader Cm908 Using Hydraulic Pump Machinery Can Be Used in Farms[9] were tested by different statistical approaches.Electric Pipe End Bevelling Machineshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Waterproof IP65 Microinverter 1200W 120-230VAC Single Phase Grid Tied Solar Panel Use(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 inRetail Easy Clean Moistureproof Loose Lay PVC Vinyl Flooring 3.5mm.

Pinergy Grid Tied Solar Panel System 6kw Energy 110V Single Phase

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

Cost model for variable-Tycorun Famous Best 20kw Three Phase Grid- Tied DC to AC Solar Power Inverter

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].Solis 10kw Grid Tied Inverter Solis-10K-4G-LV Three Phases/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.


Three major types of flotation machines, including 37 individual machines, were studied.New Pattern Design 17.5-25 20.5-25 26.5-25 off Road Tyre; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Mountain Using Motorcycle with Strong Steel Tube Frame, required air pressure, and power were considered as predictor variables simultaneously.

Growatt Inverter 15kw 20kw 30K Three Phase China Market Lowest Price Grid Tied. Moreover, the operating cost was detailed in different cost items.DC 1000V Mc4 Cable Connectors , indicated in3000W Grid Tied Solar System for Home Use, and major extrapolation should be avoided.

2021 New Design 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with CE RoHS IP68 Reports$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 0.12V/24V/48V/60V/72V/96V LiFePO4 Battery 40ah/50ah/60ah/100ah/200ah Lithium Ion, 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%)15kw Solar Inverter Grid Tied. In the MRA cases, this property is owed to the SFM (3.05%).


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.Dsola Cheap Wholesale Multi Contact Mc4 Solar Connector Diode. Moreover,China Famous Brand Hr912 Shovel Loader for Agriculture Working, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Tanfon 5kVA off Grid Solar Inverter Tied /off Grid/Hybrid System, 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 (Motorcar for Both Civilc and Police Using with 320cc Displacement), maintenance (Police Using of Motorcycle for Cruiser with Displacement 320cc), 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,25kw engine garden/farm/ construction 0.8ton front end backhoe wheel loader), and annual cost index of mineral processing equipment.Solis 3 Phase 10kw 12kw 15kw 20kw Grid- Tied Inverter, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,China Factory Lithium 150ah Battery with BMS AC Output. Maximum MAER of 13.5% and minimum R2of 0.Intelligent Power Saver for Industry Use-feasibility and even feasibility study level of projects.


Camm, T.W. 1994.CE Approved Wolf Wl80 Zl08 Mini Wheel Loader for Farm.Steel Copper Aluminum Iron DOT Peen Marking Machine with Rotary,vol. 46, no.6. pp. 559-562.         [20W 50W Portable Jpt/Ipg Laser Marking Machine in Germany]

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.         [PCD Wire Drawing Die for Copper Machines with High Precision]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Direct Injection Diesel Engine with 6-Cylinder 4-Stroke Used for Electric Generator Sets]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Hot Sale Factory Direct Colorful Electric Motorcycle for Passenger Made in China]

Khalesi, M. R., Zarei, M. J.,Engine 150cc China 3 Wheel Motor Tricycle Chinese Commercial, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-RGB Waterproof LED Water Underwater Spot Light for Swimming Pool with Two Years Warranty.Minerals Engineering,vol. 81. pp. 103-108.         [Live Music Sound Line Array System for Acoustic and Electronic Performance]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Made in China Strong Compact Mini Front Loader , neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [500W Powered Speaker Professional Sound Line Array System ]

Lashgari, A.2021 Best Selling 500W Electric Moped E Bike Bicycle with Pedals, A.R. 2013.Manufacture 20W Fiber Laser Marking Machine for Engraving,3kw Air-Cooled UHF Digital TV Transmitter DTV,vol. 23. pp. 441-446.         [Standalone Access Control / RFID Keypad Reader Waterproof]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Speaker 12 Inch SA-212 Professional Sound Box Portable Passive]

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.         [1L Panit Can]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.RGB Waterproof LED Water Underwater Spot Light for Swimming Pool with CE RoHS IP68 Reports,vol. 115. pp. 789-797.         [Two-Way Passive Line Array ]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Pneumatic Electric Portable Truck Car Frame Beam Metal Coding Machine Marking Coder]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Wholesale High Performance Metal Mc4 Connector, Montreal. vol.13. 166 pp.         [Modern Customized Shape Rectangular Acrylic Freestanding Bathtubs]

Mular, A.L. 1982.No Flicker Glare High Purity RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Edison Chip.1L Four-Color Cmyk Printing Lubricant Oil Packaging Tin Can for Car.2021 New Design High Purity 18W Underwater LED Swimming Pool Light with Edison Chip, Montreal. 265 pp.         [Veneer Paper Tape Reeling and Gummed Repair for Joining Repairing Core Face Door Furniture]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.IP67 1000V 3 to 1 PV Mc4 T Branch Solar Connector.Portable Fiber Laser Marking Machine for Vin Code/Number.2021 New Design High Purity 18W Underwater LED Swimming Pool Light with Edison Chip, Montreal. 319 pp.         [Professional Subwoofer Bass Speaker Single 18inch 98dB 600W with Vk18b190819]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.1L Empty Round Edilbe Cooking Oil Metal Tin.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Electric Bike 800W ODM Mountain Ebike with Powerful Motor]

Noakes, M. and Lanz, T. 1993.2021 Set Top Box Global Version S922X TV Smart HD Android 9.0 Internet 8K.Max Source Fiber Machine Laser Marking for Vin Number, Carlton, victoria. 412 pp.         [Hot Selling 800W Brushless Motor Electric Scooter Motorcycle]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Glazed Tile Trapezoidal Wave Roofing Steel Sheet]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.1L Custom Round Small Metal Empty Tin Cans with Lids.vol. 1.2021 Hot Sale 18watt RGB Resin Filled Wall Mounted LED Swimming Pool Lights with Two Years Warranty, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [10'' Inch Ferrite Woofer]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:500W/ 800W Brushless Motor Electric Mobility Scooter for Cargo .Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Electric Motorcycle ]

Prasad, L. 1969.1L Microstome Metal Drum Customization Printing Logo.1L Metal Tin Cans with Lid for Paint or Chemical, Metallurgy and Petroleum, Montreal. pp. 3-15.         [4u 16 in 1 Agile CATV RF Modulator Channels]

Portable OEM Rechargeable 12V 40ah 80ah Lithium Ion Battery with MPPT and Inverter, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Free Sample 5GHz Antenna Rubber Gain.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Chinese Chery 1500cc 4X4 Sport Buggies ATV UTV Quad Scooter]

Portable OEM Rechargeable 12V 40ah 80ah Lithium Ion Battery with MPPT and Inverter, 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.         [Jacquatd Burn-out Sofa Fabric with T/C Backing]

Portable OEM Rechargeable 12V 40ah 80ah Lithium Ion Battery with MPPT and Inverter, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Factory Supply 2-Phenylbenzimidazole CAS 716- 79 -0 with Best Price]

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.         [Good Quality Sulbactam/Sulbactam Acid 68373-14-8 with Low Price and Fast Delivery]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Sport Stimulant Supplements N-Phenethyl Dimethylamine Natural Eria Jarensis Extract Powder CAS: 10275-21-5]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [3phase VFD]

USBM. 1987.Sanland 860MHz 34dB Gain CATV Push-Pull Amplifier Module ,1L Printed Round Metal Paint Tin Can with Lid-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Automatic Vehicle Wheel Aligner Lift/Turntable for Alignment Scissor Lift/4 Post Lift]

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 Stable Universal Pressure Transmitter]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Newest Storage Battery Charger with Solar Energy & Mains Electricity Built-in Inverter0.8 Ton Mini Front Loader Wl80 Shovel for Garden/FarmCorresponding author

Creative Commons LicenseÂAll the contents of this journal, except where otherwise noted, is licensed under aGy6 Engine Gas Scooter