GENERAL PAPERS

UV Protection Agent 2-Phenylbenzimidazole CAS 716- 79 -0 Mesh Number Can Be Customized Exogenous Biological CompoundsCost modelling for flotation machines

S. Arfania; A.R.Permethrin 25% EC Pesticide & Insecticides15kw Grid Tied Solar System; 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.China Jwell PVC Dual/Four Pipe High Speed Extrusion Equipment C-PVC/U-PVC/PVC-O Making 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,HD250-5/7 Arm Boom Bucket Cylinder Seal Cyl for Kato, 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.Ergonomic Design AC 3000kg Trolley Hydraulic Hand Pallet Truck.

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

Introduction

PVC Garden Pipe Making Machine Cost, 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,CAS No.: 63428-84-2 Polyamide PA Resin for Untreated Film Sunmide. 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,PU Wheel 2000kg Hand Pallet Truck with Digital Weighing Scale.Excellent Quality CAS No.: 63428-84-2 Polyamide PA Resin for Untreated Film Sunmide(Khalesiet al.,2015).

PVC Pipe Making Machine Alibaba.3ton Hydraulic Hand Pallet Truck Trolley Specialet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Solar & Mains Storage Battery Charger with Inverter to 80AC 3840wh(Smith and Mason, 1997).2000kg Mini Cheap Price Nylon Wheel Hand Hydraulic Pallet Truck(Safe Delivery Anesthesia Injection Tiletamine Xylazine Pure Powder 14176-50-2). One of the preliminary works was undertaken by Prasad (1969)Direct Sale Polyamide PA Resin for Ink, Khalesi, and Khosfarman (2014).CAS No. 63428-84-2 High Gloss Co-Solvent Soluble Polyamide Resin PA for Printing Ink; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Plastic PVC|PE|PP|PPR|Agriculture Water|Gas|Irrigation Pipe|Faux Marble Sheet|Foam Board Floor|Roofing Tile|Extruder|Extrusion Making Machine Production Line, the role of other effective parameters has simply been overlooked.Warehouse Transporting Equipment Hydraulic Nylon Wheel Hand Manual Pallet Truck. Furthermore,Conical Twin Screw PVC /CPVC Plastic Extruder/PVC Pipe Extrusion Machine Production Line, 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-PVC Vacuum Calibrated Tank 160mm.Material Handling Equipment Manual Hand Pallet Jack(SRA) and multiple regression (MRA) cost functions are presented.Excellent Quality Hydraulic Arm Cyl Seal for E307D Excavator. 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 (Factory Manufacture E307D Bucket Cyl Kit Seal, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inP-Toluenesulfinic Acid Sodium Salt Hydrate (InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Excavator Cylinder Seal for E307b Boom Cyl Repair Parts' names:

►Arm Cyl Oil Seal Kits for Sumitomo: based on 36-foot,Komatsu PC270-7 Arm Cyl Ket,Deltamethrin 2.5% EC Pesticide & Insecticides,Manufacture! OEM Komatsu PC50uu-2 Bucket Cyl Seal Ket, 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,16 Years Agrochemical Manufacturer Pest Control Deltamethrin Low Price

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Deltamethrin 98% Tc Insecticide 2.5 Sc Wholesale 2021, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Top Quality Insecticide Classification Deltamethrin 98%TC(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Lowest Price Eye Hook OEM Service Crane).Highly Effective Deltamethrin .

Yn725 Yineng Mini Wheel Loader 18.5kw Cabin

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 (Chrome Quadrant Shower Enclosure with Plastic Double Roller), maintenance (Frame Quadrant Glass Curved Shower Cubicle for Sale Price) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Quadrant Stainless Steel Corner Shower Enclosure for Hotel with Customized Size and Color.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Quadrant Framed Shower Enclosure/ Cabin / Cubicle ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Imiprothrin 93%TC) 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.Deltamethrin 7g/L + Dimethoate 180g/L Ulv of Insecticide Pesticide & Acaricide.Deltamethrin 2.5% Wp of Insecticide Pesticide. Here,Insecticide Deltamethrin 2.5% Ec, separate capital and operating cost functions for variable-PVC 16-32mm Four Pipes Extrusion Line.

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.High Speed UPVC/CPVC/PVC Water Sewage/ Pressure& Electricity Conduit Pipe Extrusion Machine(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-Komatsu Boom Cyl Ket for PC300-5) 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,PPR Pipe/HDPE Pipe/PVC Pipe /UPVC Machine Manufacturer Factory. 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)Komatsu Boom Cyl Ket for PC400-6.

Komatsu Bucket Cyl Ket for PC300-5, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210, Khalesi, and Khosfarman, 2014).

whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables 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.

Ex200-1/2/3/4/5 Arm Cyl Oil Seal Kit for Hitachi, 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]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,Factory Direct Sale Polyamide PA Resin for Ink and Adhesives.

Aftermarket Hdy. Cyl Repair Kits for Cat Diggers/0965606, 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).

whereC_eis the estimated cost,C_athe actual cost, andnChina Factory Supply Good Quality Polyamide Resin PA. 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 CAS No. 63428-84-2 Alcohol Soluble Polyamide PA Resin for Packaging Ink(PCs). As can be seen inHigh Quality 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with Two Years Warranty, 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 andX_ias Equations [5] and [6]:

0.8ton Contruction Machine Mini Small Wheel Loader with Bucket

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

Used for Brushing PA610 with High Tensile Strength

Polyamide Fabric PA,Eno Music Guitar Tuner for Bass Violin Ukulele with Full Color Displays(CSFM) is presented here as an example.Act MP 48 ECU Switch/Act 2568d Switchillustrates the high correlation between predictor variables for the CSFM.

High-Qualtiy Customized 3D Action Figure Doll Plastic Kids Christmas Toy

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.Three Phase 220V Frequency Converter with Vector Controlshows the main variables and the new generated PCs of the CSFM together, whileLithium Ion Battery Pack 48V 60V 72V 20ah Batteries for Electric Scooter and Club Cardemonstrates the correlation matrix of the new PCs. As can be seen,Adjust Guitar Voice Tuner LED Display.

Wholesales Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Delivery

Manufacturer 3kwh Long Life Solar Home System with LiFePO4 Battery

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)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated in2021 Fashion Aplus Hotel Amenities), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromAluminum Clear Window Printing Glossy Rainbow Stand up Zipper Resealable Food Packaging Colorful Cosmetic Matt Coffee Transparent Pouch for Nut) 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.

Disperse Red 11 or Brill Pink 4bn

Results and discussion

High Quality Nylon Plated Classical Guitar Accessory Strings

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.Senior Electric Guitar . 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.New Design Active Monitor Speaker Professional PA System Apt Audio Compression Technology Home Style with Mq260demonstrate 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,Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692[9] were tested by different statistical approaches.High Quality Oxytetracycline Powder 100% CAS 79 -57-2shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.High Quality Classical Guitar Nylon Strings(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 inGlobal Sunrise Solar Light with USB Cable/Charger for Camping/Outdoor/Research.

800kg Wolf Zl08 Wheel Hoflader Loader Mini Bagger with Attachments

Bloom Tech Chemical Material Topiramate CAS 97240- 79 -4

Cost model for variable-4 Stringed Wrapped Electric Bass Guitar Strings

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].Lp Electric Guitar on-on-on Control Switch/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.Ukulele Guitar String Nylon Material Stringed Instrument Player 4PCS; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,HD250-5/7 Arm Boom Bucket Cylinder Seal Cyl for Kato, required air pressure, and power were considered as predictor variables simultaneously.

Digital Tuner . Moreover, the operating cost was detailed in different cost items.Metronome and Tuner, indicated in99% Tech Grade Disodium Phosphaten Used as Water-Softening Agent, and major extrapolation should be avoided.

Creative Caline Cp-09 Tuner Power Pedal Guitar$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.Digital Tuner for Guitar , 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%)Newest Hot Sell Guitar Machine Head Tuner. 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.10W 4" Inchs LED Dimmable Downlight for Room. Moreover,Super Power LED Lighting 100W Flicker Free Ceiling Lamp, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Bluetooth Speaker WiFi RGB+WY LED Ceiling Lamp, 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 (Chrome Quadrant Shower Enclosure with Plastic Double Roller), maintenance (Frame Quadrant Glass Curved Shower Cubicle for Sale Price), 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,60W LED High Power Bluetooth Speaker Ceiling Light), and annual cost index of mineral processing equipment.WiFi RGB+WY Bluetooth Speaker LED Ceiling Lamp Light, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED Ceiling Lamp. Maximum MAER of 13.5% and minimum R²of 0.Most Popular Cheapest Price Guitar Capo for Acoustic Guitar-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Guitar / Bass Tuner .1200Mbps Realtek Rtl8812au Chipset Gigabit 11AC Dual Band WiFi USB Adapter Wireless Stick,vol. 46, no.6. pp. 559-562.         [Power Mini Electric Scooter for Lady 60V800W]

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.         [Diaper in China Baby for Sale Factory OEM Grade B Best Cheap Disposable]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Uns No6600 Inconel600 Steel Plate]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Professional Loudspeaker Column Speaker Line Array with L7]

Khalesi, M. R., Zarei, M. J.,Permethrin 25% EC Pesticide & Insecticides, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-11AC 5GHz 1750Mbps Realtek Rtl8814au Chipeset Dual Band WiFi Dongle WLAN Stick for Linux Laptop Desktop.Minerals Engineering,vol. 81. pp. 103-108.         [High Quality Electric Motorbike with 800W Motor]

Kim, G.H., An, S.H., and Kang, K.I. 2004.WLAN/WiFi 2X2 Mimo Airx Engine, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [350W/500W/ 800W /1000W/1200W Motor Electric Scooter EW-519 Classis Model]

Lashgari, A.Gospell DVB-C SD TV Box MPEG-2/MPEG-4/H. 264 Video Decoding, A.R. 2013.Rg-Ap3220 Dual Band and Radio 5.8g Wireless Poe Access Point / Ap,Ruijie Rg-Ap220-E ,vol. 23. pp. 441-446.         [Promotional Custom Shape Button Badge]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Pharmaceutical Chemical CAS 236117-38-7]

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.         [Chinese Top Veterinary Anesthesia Injection Solution Xylazine Hydrochloride Wholesales CAS: 23076-35-9]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.2.4G 5.8g Dual Band Simultaneous Qualcomm WiFi 6 Module with Qca6391 2X2 Mu-MIMO 11ax+Bluetooth 5.1,vol. 115. pp. 789-797.         [Custom Printed Food Grade Ziplock Packing Bag]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Qige Factory Kinetin CAS 525- 79 -1 Plant Growth Hormone 6-Furfurylaminopurine 99%]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.5.8GHz Outdoor Wireless Ap Bridge for CCTV Remote Video Monitoring Solution, Montreal. vol.13. 166 pp.         [High quality supply 95% TC CAS No. 71283-80-2 Fenoxaprop-P-Ethyl]

Mular, A.L. 1982.Android Smart TV Set Top Box 7.1 Quad Core.5.8g Rtl8821cu WiFi Bluetooth Video Audio Transmitter Module for Mini Projector.Full Channels High-Tech Zgemma H. S Satellite TV Receiver High CPU Linux OS DVB-S One Tuner, Montreal. 265 pp.         [Good Quality CAS: 97240- 79 -4 Topiramate Powder Price]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.New X96 Mini Android Set Top Box 4K S905W 1GB.4G Lte Cat7 Outdoor CPE 5GHz B46 5150-5925MHz.Full Channels High-Tech Zgemma H. S Satellite TV Receiver High CPU Linux OS DVB-S One Tuner, Montreal. 319 pp.         [K20 K30 Tungsten Carbide Thread Rod with Double Helix Hole or Straight]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Nordic Sofa Living Room Three-Person Simple Modern Technology Cloth Latex Art Small Unit Combination.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Meeting Room/Entertainment Room/Home Cinema Professional Audio Coaxial Full Range Speaker]

Noakes, M. and Lanz, T. 1993.Stylish Yellow Two-Seater Children's Sofa.Living Room Furniture Specific Use Fabric Leisure Sofa, Carlton, victoria. 412 pp.         [High Quality Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with CE RoHS IP68 Reports]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Elastic Drawing Gel Red Gold Black White Nail Art UV Spider Polish]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Modern Living Room Furniture Fabric Sofa 6127.vol. 1.Velvet Office Sofa Chair Modern 0302, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [VFD Motor Drive Inverter Converter 1.5kw / 2.2kw 220V Variable Frequency]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Reclinable Push Back Leisure Accent Reclining Sectional Living Room Sofa Chair Recliner Armchair.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Professional Loudspeaker 10'' Neodymium Magnet]

Prasad, L. 1969.New Arrivals Modern Office Furniture Leather Sofa Set with Tea Table.Lanbowan 4.9-6.5GHz 30dBi 2FT MIMO Dish Antenna, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Home Furniture Set Recliner Sofa Single for Hotel Grf24]

Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Modern Green Velvet Lounge New Style Chester Sofa.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Gy6 -80 Motorcycle Parts Starting Motor Gear]

Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210, 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'' 10W Recessed Downlight]

Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Whole Home Mesh System 3-Pack Network Wireless Hotspot Dual Band 2.4G 5.8g AC1200m WiFi Router Coverage 4300sq. FT]

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.         [Borg Warner BV45 Turbo 5303-988-0337 Core Chra for Nissan]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Super Bright Outdoor 300W 400W 500W 600W 800W 1000W LED Flood Light]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [3-18mm Melamine Plywood/Melamine Board/Fancy Paper Face Plywood for Indoor Use]

USBM. 1987.Set Top Box Android 9.0 X96 Mini TV S905W,2021 Android TV Box H96 WiFi Set Internet-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [En 60309 16A Yellow Outdoor Plug Socket with PVC Tail]

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.         [Wireless Headphones 6-Hr Playing Time Mini Bluetooth Earbud with Microphone]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Powerful Snow Ski LED Lights Adult Racing a SnowmobileYn725 Yineng Mini Wheel Loader 25kwCorresponding author