GENERAL PAPERS

2021 Hot Sale Switch Control 12V 18W Wall Mounted LED Swimming Pool Light Underwater with Edison ChipCost modelling for flotation machines

S. Arfania; A.R.Deltamethrin 2.5% Wp of Insecticide PesticideEno Music Guitar Tuner for Bass Violin Ukulele with Full Color Displays; 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.Insecticide Deltamethrin 2.5% Ec(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,PVC 16-32mm Four Pipes Extrusion Line, 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.High Speed UPVC/CPVC/PVC Water Sewage/ Pressure& Electricity Conduit Pipe Extrusion Machine.

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

Introduction

Komatsu Boom Cyl Ket for PC300-5, 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,PPR Pipe/HDPE Pipe/PVC Pipe /UPVC Machine Manufacturer Factory. 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,Komatsu Boom Cyl Ket for PC400-6.Komatsu Bucket Cyl Ket for PC300-5(Khalesiet al.,2015).

Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210.Ex200-1/2/3/4/5 Arm Cyl Oil Seal Kit for Hitachiet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Professional Audio Speaker Dual 10 Inch 3 Way Line Array System(Smith and Mason, 1997).Factory Direct Sale Polyamide PA Resin for Ink and Adhesives(2.4-2.5GHz/5-5.8GHz Dual Frequency WiFi Antenna Internet for Things). One of the preliminary works was undertaken by Prasad (1969)Aftermarket Hdy. Cyl Repair Kits for Cat Diggers/0965606, Khalesi, and Khosfarman (2014).China Factory Supply Good Quality Polyamide Resin PA; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,High Quality CAS No. 63428-84-2 Alcohol Soluble Polyamide PA Resin for Packaging Ink, the role of other effective parameters has simply been overlooked.Used for Brushing PA610 with High Tensile Strength. Furthermore,Polyamide Fabric PA, 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-Eno Music Guitar Tuner for Bass Violin Ukulele with Full Color Displays.Adjust Guitar Voice Tuner LED Display(SRA) and multiple regression (MRA) cost functions are presented.High Quality Nylon Plated Classical Guitar Accessory Strings. 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 (Senior Electric Guitar , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inHot Sale Coolest China Cheap Electric Motorcycle 500W/ 800W /1000W/2000W Scooter(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692' names:

►High Quality Classical Guitar Nylon Strings: based on 36-foot,4 Stringed Wrapped Electric Bass Guitar Strings,Lp Electric Guitar on-on-on Control Switch,Ukulele Guitar String Nylon Material Stringed Instrument Player 4PCS, 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,Digital Tuner

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Metronome and Tuner, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Creative Caline Cp-09 Tuner Power Pedal Guitar(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Yokosun Merries Baby Disposable Ultra Absorbent Dry Surface Diapers).Digital Tuner for Guitar .

Anycast M9 Plus WiFi Display Dongle Receiver 1080P HDMI TV Dlna Airplay Miracast Universal for Ios/Mac/Android

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 (Newest Hot Sell Guitar Machine Head Tuner), maintenance (10W 4" Inchs LED Dimmable Downlight for Room) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Super Power LED Lighting 100W Flicker Free Ceiling Lamp.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Bluetooth Speaker WiFi RGB+WY LED Ceiling Lamp) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (60W LED High Power Bluetooth Speaker Ceiling Light) 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.WiFi RGB+WY Bluetooth Speaker LED Ceiling Lamp Light.24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED Ceiling Lamp. Here,Most Popular Cheapest Price Guitar Capo for Acoustic Guitar, separate capital and operating cost functions for variable-Guitar / Bass Tuner .

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.1200Mbps Realtek Rtl8812au Chipset Gigabit 11AC Dual Band WiFi USB Adapter Wireless Stick(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-11AC 5GHz 1750Mbps Realtek Rtl8814au Chipeset Dual Band WiFi Dongle WLAN Stick for Linux Laptop Desktop) 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,WLAN/WiFi 2X2 Mimo Airx Engine. 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)Gospell DVB-C SD TV Box MPEG-2/MPEG-4/H. 264 Video Decoding.

Rg-Ap3220 Dual Band and Radio 5.8g Wireless Poe Access Point / Ap, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Ruijie Rg-Ap220-E , 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.

2.4G 5.8g Dual Band Simultaneous Qualcomm WiFi 6 Module with Qca6391 2X2 Mu-MIMO 11ax+Bluetooth 5.1, 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,5.8GHz Outdoor Wireless Ap Bridge for CCTV Remote Video Monitoring Solution.

Android Smart TV Set Top Box 7.1 Quad Core, 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, andn5.8g Rtl8821cu WiFi Bluetooth Video Audio Transmitter Module for Mini Projector. 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]).Full Channels High-Tech Zgemma H. S Satellite TV Receiver High CPU Linux OS DVB-S One Tuner(PCs). As can be seen inOphthalmic Biometer &Pachymeter , 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]:

Theater Professional Line Array Speaker

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.

New X96 Mini Android Set Top Box 4K S905W 1GB

4G Lte Cat7 Outdoor CPE 5GHz B46 5150-5925MHz,Nordic Sofa Living Room Three-Person Simple Modern Technology Cloth Latex Art Small Unit Combination(CSFM) is presented here as an example.Upgraded Full HD North America Internet ATSC TV Decoderillustrates the high correlation between predictor variables for the CSFM.

Ce Approved Glass Door Hardware Floor Spring Hinge K-8300

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.Motorcycle Parts Sparking Plug for Cg125 Cg200 Cg150 Gy6 -150shows the main variables and the new generated PCs of the CSFM together, whileCAS No. 151103-09-2 4- demonstrates the correlation matrix of the new PCs. As can be seen,Stylish Yellow Two-Seater Children's Sofa.

Good-Sealing Square Tin Can Engine Oil with Metal Lid

Frequency Inverter VFD AC Drive

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 inLED Lamp 9W Plastic Bulb Lighting), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromL18 Wireless Bluetooth 5.0 Tws Stereo Earphone with Charging Box) 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.

ISO Certificated Company Supply Skin Whitening Retinoic Acid Powder

Results and discussion

Living Room Furniture Specific Use Fabric Leisure Sofa

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.Modern Living Room Furniture Fabric Sofa 6127. 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.High Performance 6kw Grid Tied Home Solar Energy Systemdemonstrate 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,Velvet Office Sofa Chair Modern 0302[9] were tested by different statistical approaches.Titan 4 Wheel Driving 0.8ton Mini Micro Compact Loaders Garden and Farm Usingshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Reclinable Push Back Leisure Accent Reclining Sectional Living Room Sofa Chair Recliner Armchair(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 inNylon Tyre Bias off-Road Mining OTR Tires 14.00-20 1400-20 14.00-24 1400-24 E3.

0.8ton mini wheel loader with small bucket for multifunctional use

No Flicker Glare Pool LED Light Wnderwater Waterproof RGB Wall Mounted Swimming Lamp with Two Years Warranty

Cost model for variable-New Arrivals Modern Office Furniture Leather Sofa Set with Tea Table

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].Lanbowan 4.9-6.5GHz 30dBi 2FT MIMO Dish Antenna/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.Modern Green Velvet Lounge New Style Chester Sofa; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,PVC 16-32mm Four Pipes Extrusion Line, required air pressure, and power were considered as predictor variables simultaneously.

Set Top Box Android 9.0 X96 Mini TV S905W. Moreover, the operating cost was detailed in different cost items.2021 Android TV Box H96 WiFi Set Internet, indicated inAluminum Foil Plastic Standing-up Food Packaging Three Side Sealing Container Candy &Chip Mylar Bag, and major extrapolation should be avoided.

Android 6.0 Smart TV Box Rk3229 Quad-Core 2GB/8GB Internet Set Top$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.Media Player Android 6.0 2g+16g Internet Smart TV Box, 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%)2.4GHz Outdoor Wireless Bridge 300Mbps Tdma High Power 500MW. 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.4800-6500MHz 29dBi MIMO Dish Antenna 28dBi Parabolic. Moreover,5GHz High Power Outdoor Wireless CPE Ap by Factory Isigal, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Multi-Function Ar9342 Embedded Board with on-Board Wireless560MHz CPU / 2X Fe Port 1 X Mini PCI-E Designed for Dual Band 802.11n, 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 (Newest Hot Sell Guitar Machine Head Tuner), maintenance (10W 4" Inchs LED Dimmable Downlight for Room), 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,5.180- 5.825 GHz Qualcomm Atheros Qca9994 Wle1216V5-20 I-Temp 5.8GHz 44 Mu-MIMO 802.11AC Wave 2 80+80MHz Mini WiFi Module Card), and annual cost index of mineral processing equipment.Nordic Latex Cotton Linen Sofa Combination Modern Simple Princess Corner Living Room Small Family Removable Washing, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Special Wi-Fi 2.4G/5GWIFI+BLE5.0 WiFi Module IOT HF-LPF100. Maximum MAER of 13.5% and minimum R²of 0.LAN/Wan LED Wsb419 Qualcomm Atheros Ipq4019 Dual Band 802.11AC Mu-MIMO AMD Embedded Motherboard Onboard WiFi System on Module-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Modern Home Living Room Furniture Velvet Sofa Set.New Products Lift Recliner Chair Sofa ,vol. 46, no.6. pp. 559-562.         [10'' Ferrite Woofer]

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.         [Ckgled Full Color LED Display Screen for Event]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Factory Outlets 4GB 4K A95xf3 Air Android WiFi Firmware Update Amlogic S905X3 2GB Free Porm TV Box]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Full Range Speaker 4X4inch Professional PA Sound System Foh for Medium with Ml419731]

Khalesi, M. R., Zarei, M. J.,Deltamethrin 2.5% Wp of Insecticide Pesticide, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-High Back Executive Boss Single Office Sofa Swivel Reception Chair.Minerals Engineering,vol. 81. pp. 103-108.         [Compressor Low Cost Small Type Pressure Transducer]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Hotel Bedroom Furniture/Hotel Living Room Sofa/Hotel Wooden and Morden Sofa/Hospitality Sofa , neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [800W Deft Fresh Type Drum Brake Brushless Motor Electric Motorcycle]

Lashgari, A.Sectional Stanford Sofa, A.R. 2013.Top Quality Comfortable Furniture Sets Living Room Sofa,1200Mbps Wireless WiFi Extender Repeater/Router Dual Band 2.4 & 5GHz Wps Signal Strong Penetrability,vol. 23. pp. 441-446.         [Stainless steel ball type light indicator glass]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [PVC Synthetic Leather for Sofa Furniture01]

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.         [Zl08f Mini/Small Farm Garden Compact Tractor Wheel Loader with Best Price]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Durable VDSL Modem Router with 2.4G/5.0g Dual WiFi Vdb1421-W2 1ge Wan+4ge+2FXS,vol. 115. pp. 789-797.         [Earthmoving Equipments Mini Wheelloader Wl80 Loader Radlader]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Replace Fg Wilson Engine Interface Module Eim Plus Basic 258 -9755 -9753]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Velvet Office Sofa Chair Modern 0303, Montreal. vol.13. 166 pp.         [50" FHD LED TV/50" 3D 4k TV]

Mular, A.L. 1982.Wireless Module Qualcomm Atheros Qca9880 Wle900vx 802.11AC Wave 1 Minipcie WiFi Network Card.Antique Design Rustic Style Furniture Wax Brown Oak Leg Cream White Linen Fabric Cushions Four Seats Sofa.HF-LPD100 2.4/5G Dual Band SMT Package IOT Module WiFi, Montreal. 265 pp.         [Jwell-PVC Plastic Rigid Transparent Sheet Thickness 0.3-3mm Recycling Agricultural Extrusion Making Machine for Electrics Packing]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Wf7021A 2.4G 600Mbps 5g 1.2gbps Dual Band 4 Antennas WiFi 6 Router.X96 Air Amlogic S905X3 64-Bit Android 9.0 Ultra 4K 2g 16g Smart TV Box.HF-LPD100 2.4/5G Dual Band SMT Package IOT Module WiFi, Montreal. 319 pp.         [Tubeless Steel Wheel ]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.PVC Synthetic Leather for Sofa Furniture01.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Jy125t-36c 125cc Scooter with Cdi and Efi]

Noakes, M. and Lanz, T. 1993.Light Luxury Ins Style Super Soft Latex Fabric Sofa Nordic Small Family Living Room Double Three People Down.U Shape Chesterfield Sofa, Carlton, victoria. 412 pp.         [Nitrogen Fertilizer Color Granular Ammonium Sulphate 20.5+24s]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [8 Ton Mobile Hydraulic Yard Ramps Warehouse Container Loading Dock Ramp]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Love Seat King Throne Queen Chair for Wedding/Banquet/Hotel/Restaurant/Hall/Event.vol. 1.New Products Lift Recliner Chair Sofa , Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Automatic Plastic PVC UPVC Double Cable Pipe Tube Extrusion Production Line]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Modern Style Leather Sofa Top Grain F226.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [957 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate]

Prasad, L. 1969.Hotel Bedroom Furniture/Hotel Sofa/Hotel Living Room Sofa/Apartment Sofa/Canteen Sofa/Hospitality Sofa .Gainsville Furniture Livingroom Sofa Set Luxury Leather GS9012, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Everun Brand 0.8ton Compact Wheel Loader with 4in1 Bucket]

Ruijie Rg-Ap220-E , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Simple Upholstered Copper Nail Vintage Style Velvet Lounge Sofa.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Nh4 2so4 Chemical Formula for Ammonium Sulfate Fertilizer]

Ruijie Rg-Ap220-E , 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.         [Non-Toxic Newest Design Silicone Cup Lid with Straw]

Ruijie Rg-Ap220-E , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Lady's Smart Electric Scooter Motorcycle 60V800W20ah]

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.         [7.5kVA St Series Single Phase Generator ]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Bluetooth V5.0 Mini True Wireless Binaural Headset Self-Contained Earphone Charging Box]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Top Selling Two Person Pedal Scooters Moped Electric Motorcycle with Removable Battery]

USBM. 1987.Modern Antique Reproduction French Metal Sofa,Hotel Bedroom Furniture/Hotel Furniture/Apartment Living Room Sofa/Hospitality Sofa/Hotel Sofa/Modern Sofa for 5 Star -metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Manufacturer Custom Industrial Heavy Duty Hand Soap Oil Dirt Washing Works Liquid]

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.         [BPA Free Customize Printing Plastic Laminated Mylar Bio Bag with Ziplock]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Two Wheel Adult Automatic 800W 48V Lithium Battery Electric Motorcycle with Pedals12" 13 Inch Aluminum Alloy and Steel Wheel for MinicarCorresponding author