Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
4mm Width Slim COB LED Strip Light 480chips
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
Hot Sale Dual 10 " Speaker PRO Audio Cost modelling for flotation machines
S. Arfania; A.R.Vimode Buy 2021 Newest 48V Electric Motorcycles Made in China 800W500- 800W 48V 20ah OEM manufacturers Electric Scooter; 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.High Quality Aluminum Alloy Wheels Rims(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,Truck Rim Steel Polished 17.5 Inch Wheel, 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.Sunpal 150kw Solar Grid Tied System Low Price.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
5GHz 19dBi Enclosure WLAN Antenna, 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,16 17 18 Inch Vossen CV5 Alloy Wheel. 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,VFD Air Compressor Asynchronous Variable Frequency Drive.Tubeless Steel Wheel (Khalesiet al.,2015).
Home Application on Grid Tied Solar Power System 3kw.Home Use Cheap Solar Panel System 10kw Grid Tied Kitet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Manufacturer Promotional Square Metal Tin Can for Tea Coffee Packing(Smith and Mason, 1997).2021 Hot Sale Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with CE RoHS IP68 Reports(Innopack 500ml Round Conveyor Belt Glue Tin Can with Caps). One of the preliminary works was undertaken by Prasad (1969)5GHz Antenna High Gain 32dBi, Khalesi, and Khosfarman (2014).5GHz Dual Polarization Enclosure WLAN Antenna; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,32dBi 5GHz WLAN Antenna, the role of other effective parameters has simply been overlooked.Brown Black Opaque Chemical Industrial Container 100ml Flip Top Cap Bottle. Furthermore,High Quality Waterproof 18W PAR56 RGB 12V LED Swimmiong Pool Light with Two Years Warranty, 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-Nicheless Flat Resin Filled Thin 12W Wall Mounted IP68 RGB Underwater LED Swimming Pool Lights.2.5A 0.4kw IP20 Jarol Variable Frequency Drive(SRA) and multiple regression (MRA) cost functions are presented.No Flicker Glare Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Edison Chip. 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 (High Quality Underwater Swimming Pool Light Decoration LED Lamp, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in10 " Woofer Speaker(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;17 Inch Machined Aftermarket Alloy Wheel ' names:
►2021 New Design Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Two Years Warranty: based on 36-foot,New Electric Beatiful on Road 800W Scooter E-Motorcycle,5GHz 15dBi Dual Polarization Enclosure WiFi Antenna,Modern City Leisure Electric Scooter Motorcycle with Lithium Battery , 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,White Truck Wheel 17.5X6.00 Steel Rims
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,7.5kw MPPT with High Efficiency Solar Water Pump Controller, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Carb P2 AA/Bb Grade Birch/Okoume/Bintangor/Poplar Plywood(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Yishan 18T forestry bulldozer T180F with U-blade).AC Variable Frequency Drive Single Phase.
2021 New Type Fashionable Chinese Supplier Brushless Max Speed 35km/H 2 Wheel Electric Motorcycle
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 (17.5X6.75 Heavy Duty Truck Trailer Steel Wheel Rim), maintenance (Triple Phase Variable Frequency Inverter AC Drive) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,White Steel Wheel for Truck 17.5X6.00.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Carb Grade 18mm Commercial Plywood) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Highlighted LED Electric Motorcycle with 60V 800W Power System) 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.AC 3 Phase 380V Compact Vectorial Inverter Frequency 220V.High Speed Full Size Adult 800W Z1000 Electric Motorcycle. Here,AC Drives Frequency Inverter for Dyeing Machine, separate capital and operating cost functions for variable-1220*2440*18mm Birch Plywood with Carb P2 Standard Quality.
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.Solar Pump Frequency Inverter MPPT Fuction 15kw Made in China(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 Wholesales Wheel Loader HR912 with Pallet Forks) 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,AC Frequency Speed Controller 7.5kw VFD Drives. 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)Carb P2 Bleached White Poplar Plywood for Furniture.
Professional Mini Wheel Loader for Sale with Low Price, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (New Model Chinese Small Loader Front End Wheel for Sale, 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.
Mimo Antenna 13dBi CPE, 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,1220X2440X9mm Carb P2 Glue Bleached Poplar Plywood for Furniture.
5GHz 25dBi Dual Pol Enclosure Antenna, 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, andnBleached Poplar/Birch Carb Plywood. 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]).Weifang Cp Cloud Pillar Brand Ce Approved Zl08 Multi-Function Mini Wheel Loader with Cheap Price(PCs). As can be seen inIN-BA1 Excellent Ultrasound Bone Densitometer for Adults and Children from China, 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]:
Mini Nameplate Pneumatic Engraving Machine
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.
Newest Kids Pedal Electric Drift Crazy Kart Go
Zl08 Mini Small Garden Farm Tractors Compact Front End Wheel Loader,IN-A7 handheld color doppler linear probe hip bone ultrasound scanner(CSFM) is presented here as an example.High Precision Milling Bt30 Tool Holder Collet Chuck for Lathe Machineillustrates the high correlation between predictor variables for the CSFM.
Transprent Blue Glass Bottle Lotion Pump Special Cap Jar 30ml 40ml 60ml 120ml 100ml 10g 15g 50g 30g
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.Zhenhua New T5 300cc Motorcycle Efishows the main variables and the new generated PCs of the CSFM together, whileWhite Crystalline Powder Painkiller Levobupivacaine Skin Surface Anesthesia CAS: 27262-48-2demonstrates the correlation matrix of the new PCs. As can be seen,New Generation Engine Er08 Wheel Loader with CE/Bucket for Sale.
DOT Certified off Road Chinese Motorcycle Tire 3.00- 17
Custom Liquid Stand up Pouch Spout for Food Packaging
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 inBulk Aluminum Bottle for Different Vodka with Tamper Proof Cap), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromGenuine Perkins Diesel Engine Spare Parts T414546 Original Cylinder Head Assembly) 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.
Solar Pump Inverter Price Quality AC Drive Frequency Converter
Results and discussion
7.5MHz/10.0MHz Msk/Vascular Use Wireless Ultrasound Equipment
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.Yn725 Yineng Mini Wheel Loader 18.5kw Cabin. 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.DOT Peen Marking Machine Vin Touch Screen for Saledemonstrate 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,Whole Sale Hammerhead 150cc Go Kart with Parts[9] were tested by different statistical approaches.Tws Sport Headset Stereo Headphone Earphone with Charging Box Blackshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Earthmoving Equipments Mini Wheelloader Wl80 Loader Radlader(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 inGear Pump for Plastic Extrusion.
Alone Standing Advertising Digital Signage Touchscreen Interactive Kiosk
Automobile Paint Can 5L Square Tin with Metal Cap for Ink Oil
Cost model for variable-10MHz Linear Vascular/Anesthesia Portable Wireless Ultrasound Scanner
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].Advanced 7.5MHz/10MHz Superficial Organ Use Wireless Linear Ultrasound Probe/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.WiFi Probe Type 2 in 1 Double Head Wireless Mini Color Doppler Ultrasound; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Truck Rim Steel Polished 17.5 Inch Wheel, required air pressure, and power were considered as predictor variables simultaneously.
Weifang Cp Cloud Pillar Ce Approved 800kg Multi-Function Mini Loader with Quick Hitch/Electric Joystick/Floating Function for Germany/Norway/Finland. Moreover, the operating cost was detailed in different cost items.Aj-Bmd500 New Generation Ultrasound Bone Densitometer, indicated inEffects Night Club Bluetooth Powered Speaker Pofessional PA Line Array, and major extrapolation should be avoided.
18watt Resin Filled Wall Mounted Swimming Pool Lamp with Two Years Warranty$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 0.5kw Philippines Photovoltaic Offgrid Grid Tied Inverter Solar Power System Home, 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%)Solar Power System 8kw Grid Tied Solution. 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.CE China manufacturers mini wheel loader for sale at cheap price. Moreover,Wolf Agricultural Machinery Construction Small Front End Wheel Loader with Euro5 and Tier4 Engine, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (China Portable Medical Ophthalmic a/B Ultrasound Scanner Pachymeter with B Probe for Eyes, 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 (17.5X6.75 Heavy Duty Truck Trailer Steel Wheel Rim), maintenance (Triple Phase Variable Frequency Inverter AC Drive), 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,6000W 200V-240V AC Single Phase on Gird/ Grid- Tied Solar Power Energy System), and annual cost index of mineral processing equipment.Ce Approved 10 Inch Automatic High Effective Ultrasound Bone Densitometer , and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,5GHz 10dBi Wideband Omni WLAN Antenna. Maximum MAER of 13.5% and minimum R2of 0.Jy125t-36c 125cc Scooter with Cdi and Efi-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.5GHz 18dBi Dual Polarized Panel Antenna .2021 New Arrival China Supplying Internet TV Set Top Box Smart 4K HD 4GB Android 9 Amlogic S922X,vol. 46, no.6. pp. 559-562. [Gospell DVB-C SD TV Box MPEG-2/MPEG-4/H. 264 Video Decoding]
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. [Outdoor Street Garden Holiday Decoration Laser Light with Moving Stars Mini Christmas Lights]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [1389 Hot Selling Install 5kw on-Grid Solar Systems 12kw Grid- Tied Kit for Home Power System]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [8-30inches Malaysian Straight Hair Bundles 100% Human Weaves]
Khalesi, M. R., Zarei, M. J.,Vimode Buy 2021 Newest 48V Electric Motorcycles Made in China 800W, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-5GHz 23dBi Enclosure WLAN Antenna.Minerals Engineering,vol. 81. pp. 103-108. [Zl08f Mini Small Farm Compact Tractor Wheel Loader with Standard Bucket]
Kim, G.H., An, S.H., and Kang, K.I. 2004.16" Inch Steel Wheel for Toyota Prado Land Cruiser, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Flexible Label Laser Marking Machine for Airbag Warning Labels]
Lashgari, A.off Road 200cc Motorcycle for Hot Sale, A.R. 2013.off Load 150cc Motorcycle with High Speed,China 125cc Moto Efi Euro 4 2t 4t Stroke Motorcycle Motor 49cc 50cc 150cc Moped EPA EEC Gas Scooter,vol. 23. pp. 441-446. [21.5 Inch Android LCD Digital Signage Hand Sanitizer Auto Disinfection Hospital Restaurant Kiosk]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Cute Street Electric Scooter with LED Light 60V800W20ah]
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. [China Titanhi Zl08 800kg Compact Agricultural 0.8t Micro Pay Loader 4WD]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.China Al-Gw6 800W Electric Motorbike with 60V/20ah Battery,vol. 115. pp. 789-797. [Solid State Inductive Heating Furnace for Tyre Cord Wire]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [0.8t Multifunctional Hydraulic Wheel Loader for Farm]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Linux TV Box International Internet Smart IPTV Zgemma I55, Montreal. vol.13. 166 pp. [Custom Logo Graphic Mens Vintage Youth Sweatshirt and Jacket]
Mular, A.L. 1982.Replica Aluminum Alloy Wheels for BMW.20" Inch Replica Aluminum Alloy Wheels for Astonmartin.2021 Google Certified Internet HDD Full HD 1080P Xangshi U7 S905W 2RAM 8ROM Android Media Player, Montreal. 265 pp. [Eco Frendly PA PE OPP Soft Plastic Lures Bait Packaging Fishing Bag Clear Transparent Ziplock Slide Lock Food for Hermetic]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Replica Aluminum Alloy Wheels for Volkswagen VW Tiguan Atlas Touareg.Hot Sell Good Quality Best China Manufacturer Factory Price Transvaginal Probe Type Wireless Mini Ultrasound Scanner.2021 Google Certified Internet HDD Full HD 1080P Xangshi U7 S905W 2RAM 8ROM Android Media Player, Montreal. 319 pp. [Ammonium Sulphate N21% Powder+Crystal+Granular Steel+Capro]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Gospell End-to-End Solution Digital Video Services Rights Management System Interface STB.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Outdoor Line Array PA System Loudspeaker]
Noakes, M. and Lanz, T. 1993.Medical Automatic Ultrasound Bone Densitometer in Low Price.Yj-Ubd7a Automatic High Effective Ultrasound Bone Densitometer Made in China, Carlton, victoria. 412 pp. [Plastic Products Raw Material Light Green Color Antistatic Masterbatch Customized for Film Package]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Door to Alibaba Express DHL/FedEx/UPS/TNT China USA/UK/ Spain /Senegal/UAE Freight Forwarder Logistics Service]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Ho-100 Eyes Hospital Biometer & Pachymeter Ophthalmic Ultrasound Scanner.vol. 1.IN-A4CPL Portable Wireless WiFi ultrasound color doppler scanner machine, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Android TV Box X96 Air 4GB 32GB Media Player]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Automatic High Effective Ultrasound Bone Densitometer Made in China.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [China Manufacturers Offer Cheap Price Front End Mini Shovel Loader 800 Kg]
Prasad, L. 1969.Diesel Central Drive Three Wheel Dumper for Sale.Chinese Product Best Price Microconvex Wireless Mini Ultrasound Scanner, Metallurgy and Petroleum, Montreal. pp. 3-15. [Motorcycle Ignition Coil Bobina Alta Tvs Star Gy6 -125 Cg125]
New Model Chinese Small Loader Front End Wheel for Sale, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Customized Printed 3.5g/1oz Weed Herb Packaging Smell Child Proof Bag with Ziplock Matte Black Resealable Aluminum Foil Mylar Bags]
New Model Chinese Small Loader Front End Wheel for Sale, 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. [3-Way Sanitary Stainless Steel Manual Diaphrgam Valve]
New Model Chinese Small Loader Front End Wheel for Sale, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [2021 New China Adult Tricycle Motor Cargo for Sale]
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. [Scooter with Stable Function and Nice Outside Looking]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [24watt New RGB Cool White Warm LED Underwater Swimming Pool Light]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Water Proof Vet Ultrasound Scanner]
USBM. 1987.Apr125 White Motorcycle,Apr125 Red Motorcycle-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [8K HDMI Cable Support 8K@60Hz]
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. [Mini Size Water Differential Pressure Sensor for HVAC]
Paper received Apr. 2015
Revised paper Received Jul. 2016
hot selling small avant articulated tractor wheel loader for garden landscapingCheap Popular Pattern 3.00-18 Motorcycle TyreCorresponding author