Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Rubber Accelerator Pre-Dispersed Masterbatch Tmtd-80
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
Good Quality Empty 1 Litre Metal Tin Paint Cans with Handle for SaleCost modelling for flotation machines
S. Arfania; A.R.Sab-500 Ophthalmic a/B ScannerKaraoke Voice Reduction Professional Audio Converter Proaudio ; 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.[Softel]Agile Modulator Full Range CATV Agile Tunable Ah-802h(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,200cc Reverse Wholesale Motor Light Three Wheel Motorcycle , 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.Industrial Energy Saving Device Made in China.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
150cc Enclosed Gasoline Motorized Cargo Trike with Box , 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,Xprobe Series Built-in Screen Wireless Probe Type Ultrasound Scanner. 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,Power Saver Box Energy.Power Saver Energy Saving Device(Khalesiet al.,2015).
Power Saver for Industrial .Industry Saveing Box et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Pinergy 9kw on- Grid Tied Solar Power System for Home or Industrial Roof(Smith and Mason, 1997).Industry Saveing Box (Hot Melt Adhesive Film & TPU Making Machine). One of the preliminary works was undertaken by Prasad (1969)Motorcyle with Bore * Stroke 66*58.2 mm, Khalesi, and Khosfarman (2014).Electricity Saving Device 600amp ; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,250cc Motor Cabin Tricycle Cargo with Canopy, the role of other effective parameters has simply been overlooked.Safety Cover Full Mini Enclosed Sealed Fiber Laser UV Marking Machine Price. Furthermore,Flexible Label Laser Marking Machine, 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-Flying Laser Marking System Marker.800W Color Fashion Electric Motorcycle(SRA) and multiple regression (MRA) cost functions are presented.20W 30W 50W 150X150mm 200X200mm Lens Metal Steel Fiber Laser Machine. 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 (Label Marking Equipment Laser Machine for Car Body Labels, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inVimode 2021 New Trend 800W 1000W 1500W China Adult Electric Motorcycle Sale(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Electric Bike 800W ODM Mountain Ebike with Powerful Motor' names:
►Latest Electric Scooter 800W Citycoco: based on 36-foot,16/24 Channel RF Combiner Passive Mixer,150cc Cheap Open Gas Reverse Trike ,Sport Using Motor Vehicle with Sealed Chain Final Drive, 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,GS-a 12mm CATV Fixed RF Attenuator
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,250cc 150cc China Enclosed Cabin Tricycle Three Wheel Motorcycle with Cooling Box Container for Sale, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Automatic High Effective Medical Ultrasound Bone Densitometer (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Semi-Finishing and Finishing 100% Raw Materials Tungsten Carbide Wire Guide Dies & Moulds).New 50cc Monkey Bike Gasoline Motorcycle Euro 4.
Carb E0 Cabinet Grade 18mm Plywood in High Quality
Costs included capital (CC) and total operating cost (OC) based on US dollars (2013) and dollars (2013) per hour, respectively. Moreover, the operating costs could also be estimated in detail,i.e.the overhaul (China 250cc New 3 Wheel Motorcycle Motor Tricycle), maintenance (3ru 24 in 1 CATV Fixed Channel Modulator ) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,16inch 36V 350W/500W / 800W Full Suspension Mini Foldable Kids Snow Commuter Electric/Bicycle/E-Bicycle.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Satellite Ts Encryption HD Receiver with Multiplexing Function) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Motor Tricycle Three Wheel Cargo Trike for Sale) 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.Motorbicycle for Well Done Accessories.16 in 1 CATV Modulator Fixed Frequency. Here,8 Channels HDMI to DVB-T Modulator, separate capital and operating cost functions for variable-Medical Equipment Ho-200 Ophthalmic a/B Ultrasound Scanner.
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.Motor Vehicle for High Speed and Stable Function(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-Outdoor 750MHz One Way CATV Trunk Amplifier ) 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,China Enclosed Ice Cream Tricycle Three Wheel Cargo with Cooling Box. 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)New Racing Motorcycle.
Cheap 3 Wheel Cargo Tricycle with Box , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital, 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.
Motorcycle for 1405mm of Wheel Base, 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,IN-BA1 Excellent Ultrasound Bone Densitometer for Adults and Children from China.
5150-5850MHz Sector Panel Antenna with 2*16dBi Gain for Best Design, 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, andnChina Ophthalmic Equipment. 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]).Hot Sale Jincheng Jc200t-8 Scooter Motorcycle with Good Price(PCs). As can be seen inSmall Compact Front Wheel Loader / Zl08 Farm Garden Mini, 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]:
Professional Speaker with Laser Light
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.
China Gas Scooters 2 Stroke Euro 4 125cc Moto Moped Motor EPA 49cc 50cc 150cc EEC Motorcycle Gasoline Scooter
Best Selling Ophthalmic Ultrasound a/B Scanner Full Digital Touch Screen,Ho-100 Ophthalmic Ultrasound a Scan Pachymeter(CSFM) is presented here as an example.Laminated for Coffee Cookie Food Packaging Bag Aluminum Medical Stand up Pouch Manufacturer Custom Self-Sealing Plastic Mylar Ziplock Barrier Exit Containerillustrates the high correlation between predictor variables for the CSFM.
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.Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Enginesshows the main variables and the new generated PCs of the CSFM together, whileWaterproof Loudspeaker Wall Mounter 8inch Lt208/Lt208tdemonstrates the correlation matrix of the new PCs. As can be seen,Sy-AC51 Best Price 128 Elements Wireless Probe with Color Doppler.
High Quality Cheap Classic Light Mini Reverse Three Wheel Motorcycle
Mars Solar 30kw Power System on Grid Tied Micro Sine Wave Inverter
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 inZd160TF-3 Dozer Machine 160HP Crawler Bulldozer Price), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromQuality 18mm Carb Birch Okoumen Plywood) 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.
Yn725g Yineng Mini Wheel Loader
Results and discussion
Innopack 1L Square Engine Oil Tin Can with Screw Cap Manufacturer
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 0.1L Round Tin Pail with Sealed Lid and Plastic Handle for Paint Use. 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.20 mm 20mm PVC Pipe 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,5GHz Antenna High Gain 29dBi[9] were tested by different statistical approaches.Nordic Leather Sofa Modern Simple Three Seatsshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.2.4- 5GHz MIMO Omni Antenna with 2.4G Network 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 inShipping Service /Freight Forwarder From China to Karachi.
Pin Machine Suppliers Marker Systems
HF-LPD100 2.4/5G Dual Band SMT Package IOT Module WiFi
Cost model for variable-Sector Antenna 5GHz
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].Mini Wheel Loader Small Dumper Hoflader Wolf Zl08/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.2.4G- 5GHz Fiberglass Omni Antenna with 8dBi Gain WLAN/WiFi; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,200cc Reverse Wholesale Motor Light Three Wheel Motorcycle , required air pressure, and power were considered as predictor variables simultaneously.
2.4- 5GHz MIMO Omni Antenna with 11dBi. Moreover, the operating cost was detailed in different cost items.2.4- 5GHz Omni Antenna , indicated inTUV Ce IP67 1000VDC 30A Male and Female 8mm2 Mc4 Connectors for Solar PV System, and major extrapolation should be avoided.
E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 29.5-25$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 0.1L Tin Can for Oil, 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%)Trade Peak Lowest Price for 150cc ATV. 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.L-Guard Factory L-5 OTR Tires 23.5-25 P. R. 20. Moreover,2021 New China Adult Tricycle Motor Cargo for Sale, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Wholesale China High Quality OTR Tyre 17.5-25 G2 Pattern., self-aerating, and standard) has been developed.
Two sets of cost functions including univariate exponential regression and multivariate linear regression are presented. Individual cost functions are presented for each operational cost item category such as overhaul (China 250cc New 3 Wheel Motorcycle Motor Tricycle), maintenance (3ru 24 in 1 CATV Fixed Channel Modulator ), 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,Suzhou Innopack 1L Metal Rectangular Tin with Screw Cap in Low Price), and annual cost index of mineral processing equipment.Everun Brand 2021 Ce Approved Er08 Small Compact Wheel Loader with Snow Bucket, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,2021 New Model 125cc 150cc Ce Approval off Road ATV. Maximum MAER of 13.5% and minimum R2of 0.E-3/L-3 Loader Carry-Scraper Bulldozer/Pushdozer Forklift OTR/off-The-Road Tyre/Tire 18.00-25-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.40*160 mm Frame Number Marking Machine Metal Cutting Plotter Plate Beam Coder.Zl08 800kg China Articulated Mini Small Compact Front End Wheel Loaders with Ce,vol. 46, no.6. pp. 559-562. [Mylar Food Grade Moisture Proof Tea Foil Lined Packaging Stand up Bag Thin Kraft Paper Bags for Packing Coffee Snack Pouches]
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. [BMW N62/N73 Camshaft Alignment Tool Set]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Mixer Power Amplifier with USB]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [500- 800W Cheap Adult Electric Scooter Motorcycle Sport Style for Sale in Stock]
Khalesi, M. R., Zarei, M. J.,Sab-500 Ophthalmic a/B Scanner, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Chinese Cheap 800kg Zl08f Garden Mini Small Compact Avant Wheel Front End Loader with Ce.Minerals Engineering,vol. 81. pp. 103-108. [Vrx932la Compact Line Array Speaker System]
Kim, G.H., An, S.H., and Kang, K.I. 2004.OTR Heavy Loader Tyre L5 20.5-25 Size Best Price, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [AAA Grade 0.9mm Poplar Core/Veneer for Plywood/Furniture]
Lashgari, A.Mars Solar 30kw Power System on Grid Tied Micro Sine Wave Inverter, A.R. 2013.1167 Single Phase 3 110V/220V/380vgrid- Tied Inverter for Residential or Commercial Application 3kw-80kw,L5 Nylon Mining Loader OTR Tyre 20.5-25 off-The-Road Tire,vol. 23. pp. 441-446. [Doublestar Tyre Military off Road]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Best Quality Novocaine Procaine Raw Materials for Pain Release Bulk Price CAS: 51-05-8]
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. [Rotary Cut Bintagor Veneer for Panels and Furniture with Good Price]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Fiber CO2 UV Laser Engraving Machine Marker Equipment Logo Printing Marking for Metal Plastic Wood,vol. 115. pp. 789-797. [125cc Scooter EEC Popular Motor Alex]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Yn725 Yineng Mini Wheel Loader 18.5kw Cabin]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Lithium Polymer Battery Mica 3.7V Mc602540 550mAh Li Pack for Electronic Device, Montreal. vol.13. 166 pp. [Luxury Recyclable 30ml 50ml 100ml Bottles Frosted Glass Perfume Bottle with Pump Spray Cap]
Mular, A.L. 1982.New Model High Quality 4 Stroke LED Efi 50cc 100cc 110cc Gasoline Scooter Gas Moped Super Soco Bike Mini.Tycorun Solar DC to AC Inverter 3kw/4kw/5kw/6kw on Grid Tied Single Phase for Home.5000va 48VDC on off Grid Tied Low Frequency Hybrid Solar Power Backup Inverter, Montreal. 265 pp. [DC 1000V Mc4 Cable Connectors ]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Eougem Mini 0.8 Ton Front End Loader of Good Quality 25kw.Grid Tied Microinverter 1200W Waterproof Pure Sine Wave with WiFi Monitoring.5000va 48VDC on off Grid Tied Low Frequency Hybrid Solar Power Backup Inverter, Montreal. 319 pp. [Cheap Factory Price China Supplier 1000W Adult Electric Scooters/Electric Motorcycle for Sale]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Hot Sale Android 9.0 4K HD IPTV Set Top Box Amlogic S905W 2GB 16GB Smart Internet TV.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [PA System Single 18" Sub Bass Speaker Low Pitch Subwoofer with Wa118]
Noakes, M. and Lanz, T. 1993.Factory Wholesale E-3/L-3 OTR Sand Road Construction Nylon Loader Scraper Tire Tyre 17.5-25.25KW Ground Mini loader price, Carlton, victoria. 412 pp. [Passive Single 12'' Line Array Loudspeaker Sound System]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Hydraulic Motor for Liugong 10t~13t Crawler Excavator]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Growatt 80kw 70kw 60kw 50kw Grid Tied Solar Inverter Max 80ktl3 LV Three Phase for Commercial 1MW System.vol. 1.Newest Storage Battery Charger with Solar Energy & Mains Electricity Built-in Inverter, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Neodymium 12inch 932lap Professional Powered DSP Line Array Speaker]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Yn725 Yineng Mini Wheel Loader 25kw.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [100% CAS 79 -57-2 Oxytetracycline Powder]
Prasad, L. 1969.No Flicker Glare High Purity 18W Underwater LED Swimming Pool Light with Edison Chip.Yn725 Wheel Loader 25kw Mini, Metallurgy and Petroleum, Montreal. pp. 3-15. [Wolf Wl80 Mini Radlader Hoflader with Forks in Farm]
Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-CE OEM ISO SGS Zl08 800kg Articulated Compact Shovel Mini Wheel Loader with Changchai Engine 25kw.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Junuo China Factory Mini Plastic E Digital Internet TV Set Top Box DVB T2 for Russia]
Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital, 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. [High Quality China off-Road 4*4 Tires Lakesea Brand Open Country Tyres Top Class Mt Terrain Tire 35*12.5r15 33*12.5r17 35*12.5r17 Mud Competition]
Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Professional Self-Powered Active Bass Speaker Subwoofer Single 18inch PA Audio System 800W Vs18s20]
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. [4.5kwp 7.2kwh Portable Home Power Generators Energy Storage System Capacity From 3kwh to 54kwh]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Peq-12A-Active PA Speaker with Class-Ab Mono Amplifier Bluetooth]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [SP-KS410) Customized Fabric Softwood Frame Sofa]
USBM. 1987.2.4- 5GHz MIMO Omni Antenna,New Style Underwater IP68 Waterproof Wall Mounted LED Swimming Pool Light with Edison Chip-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [White Calacatta Indoor 30mm Quartz Kitchen Countertops]
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. [in Line Multy-Cylinder Diesel Engine for Power Generator Set]
Paper received Apr. 2015
Revised paper Received Jul. 2016
8mm Thickness 160mm 8watt DC12V RGB LED Swimming Pool Underwater LightDust Collector Machine WoodCorresponding author