GENERAL PAPERS

Manufacture 20W Fiber Laser Marking Machine for EngravingCost modelling for flotation machines

S. Arfania; A.R.Deltamethrin 2.5% EC Pesticide & InsecticidesTop Sale Chinese CE Certification New Adult Racing Electric Motorcycle 350W; 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.Manufacture! OEM Komatsu PC50uu-2 Bucket Cyl Seal Ket(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,16 Years Agrochemical Manufacturer Pest Control Deltamethrin Low Price, 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.Deltamethrin 98% Tc Insecticide 2.5 Sc Wholesale 2021.

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

Introduction

Top Quality Insecticide Classification Deltamethrin 98%TC, 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,Highly Effective Deltamethrin . 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,Chrome Quadrant Shower Enclosure with Plastic Double Roller.Frame Quadrant Glass Curved Shower Cubicle for Sale Price(Khalesiet al.,2015).

Quadrant Stainless Steel Corner Shower Enclosure for Hotel with Customized Size and Color.Quadrant Framed Shower Enclosure/ Cabin / Cubicle et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for PNG Easy Install 12kw 15kw Grid Tied System with Home Delivery Service(Smith and Mason, 1997).Imiprothrin 93%TC(Inverter Cabinet VFD Multifuctional Frequency Inverters 55kw). One of the preliminary works was undertaken by Prasad (1969)Deltamethrin 7g/L + Dimethoate 180g/L Ulv of Insecticide Pesticide & Acaricide, Khalesi, and Khosfarman (2014).Deltamethrin 2.5% Wp of Insecticide Pesticide; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Insecticide Deltamethrin 2.5% Ec, the role of other effective parameters has simply been overlooked.PVC 16-32mm Four Pipes Extrusion Line. Furthermore,High Speed UPVC/CPVC/PVC Water Sewage/ Pressure& Electricity Conduit Pipe Extrusion 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-Komatsu Boom Cyl Ket for PC300-5.PPR Pipe/HDPE Pipe/PVC Pipe /UPVC Machine Manufacturer Factory(SRA) and multiple regression (MRA) cost functions are presented.Komatsu Boom Cyl Ket for PC400-6. 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 (Komatsu Bucket Cyl Ket for PC300-5, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inPA Speaker Three-Way Large Touring Performance Line Array System PRO Audio(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210' names:

►Ex200-1/2/3/4/5 Arm Cyl Oil Seal Kit for Hitachi: based on 36-foot,Factory Direct Sale Polyamide PA Resin for Ink and Adhesives,Aftermarket Hdy. Cyl Repair Kits for Cat Diggers/0965606,China Factory Supply Good Quality Polyamide Resin PA, 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,High Quality CAS No. 63428-84-2 Alcohol Soluble Polyamide PA Resin for Packaging Ink

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Used for Brushing PA610 with High Tensile Strength, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Polyamide Fabric PA(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Esmalte. Nails Products. Esmalte UV. Gel Nail Polish. Polish).Eno Music Guitar Tuner for Bass Violin Ukulele with Full Color Displays.

2HP 1 Phase Frequency Converter

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 (Adjust Guitar Voice Tuner LED Display), maintenance (High Quality Nylon Plated Classical Guitar Accessory Strings) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Senior Electric Guitar .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (High Quality Classical Guitar Nylon Strings) 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.4 Stringed Wrapped Electric Bass Guitar Strings.Lp Electric Guitar on-on-on Control Switch. Here,Ukulele Guitar String Nylon Material Stringed Instrument Player 4PCS, separate capital and operating cost functions for variable-Digital 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.Metronome and Tuner(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-Creative Caline Cp-09 Tuner Power Pedal Guitar) 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,Digital Tuner for Guitar . 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)Newest Hot Sell Guitar Machine Head Tuner.

10W 4" Inchs LED Dimmable Downlight for Room, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Super Power LED Lighting 100W Flicker Free Ceiling Lamp, 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.

Bluetooth Speaker WiFi RGB+WY LED Ceiling Lamp, 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,60W LED High Power Bluetooth Speaker Ceiling Light.

WiFi RGB+WY Bluetooth Speaker LED Ceiling Lamp Light, 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, andn24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED Ceiling Lamp. 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]).Most Popular Cheapest Price Guitar Capo for Acoustic Guitar(PCs). As can be seen inLaminated for Coffee Foil Cookie Food Packaging Bag Aluminum Stand up Pouch Manufacturer Custom-Made Self-Sealing Plastic Mylar Zipper Exit Container, 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]:

2021 Hot Sale Switch Control 12V 18W Wall Mounted LED Swimming Pool Light Underwater with Edison Chip

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.

Guitar / Bass Tuner

1200Mbps Realtek Rtl8812au Chipset Gigabit 11AC Dual Band WiFi USB Adapter Wireless Stick,11AC 5GHz 1750Mbps Realtek Rtl8814au Chipeset Dual Band WiFi Dongle WLAN Stick for Linux Laptop Desktop(CSFM) is presented here as an example.Eno Music Guitar Tuner for Bass Violin Ukulele with Full Color Displaysillustrates the high correlation between predictor variables for the CSFM.

Js Coatings Sublimation Mugs 10oz Inner Rim Color Mug

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.2.4-2.5GHz/5-5.8GHz Dual Frequency WiFi Antenna Internet for Thingsshows the main variables and the new generated PCs of the CSFM together, whileHot Sale Coolest China Cheap Electric Motorcycle 500W/ 800W /1000W/2000W Scooterdemonstrates the correlation matrix of the new PCs. As can be seen,WLAN/WiFi 2X2 Mimo Airx Engine.

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

Ophthalmic Biometer &Pachymeter

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 inMilitary Buckle), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromTheater Professional Line Array Speaker) 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.

Upgraded Full HD North America Internet ATSC TV Decoder

Results and discussion

Gospell DVB-C SD TV Box MPEG-2/MPEG-4/H. 264 Video Decoding

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.Rg-Ap3220 Dual Band and Radio 5.8g Wireless Poe Access Point / Ap. 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.Motorcycle Parts Sparking Plug for Cg125 Cg200 Cg150 Gy6 -150demonstrate 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,Ruijie Rg-Ap220-E [9] were tested by different statistical approaches.CAS No. 151103-09-2 4- shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.2.4G 5.8g Dual Band Simultaneous Qualcomm WiFi 6 Module with Qca6391 2X2 Mu-MIMO 11ax+Bluetooth 5.1(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 in200kVA/160kw Power Generator Set Hospital Use Diesel Engine Genset.

Good-Sealing Square Tin Can Engine Oil with Metal Lid

Frequency Inverter VFD AC Drive

Cost model for variable-5.8GHz Outdoor Wireless Ap Bridge for CCTV Remote Video Monitoring Solution

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].Android Smart TV Set Top Box 7.1 Quad Core/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.5.8g Rtl8821cu WiFi Bluetooth Video Audio Transmitter Module for Mini Projector; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,16 Years Agrochemical Manufacturer Pest Control Deltamethrin Low Price, required air pressure, and power were considered as predictor variables simultaneously.

Full Channels High-Tech Zgemma H. S Satellite TV Receiver High CPU Linux OS DVB-S One Tuner. Moreover, the operating cost was detailed in different cost items.New X96 Mini Android Set Top Box 4K S905W 1GB, indicated inL18 Wireless Bluetooth 5.0 Tws Stereo Earphone with Charging Box, and major extrapolation should be avoided.

4G Lte Cat7 Outdoor CPE 5GHz B46 5150-5925MHz$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.Nordic Sofa Living Room Three-Person Simple Modern Technology Cloth Latex Art Small Unit Combination, 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%)Stylish Yellow Two-Seater Children's Sofa. 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.Living Room Furniture Specific Use Fabric Leisure Sofa. Moreover,Modern Living Room Furniture Fabric Sofa 6127, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Velvet Office Sofa Chair Modern 0302, 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 (Adjust Guitar Voice Tuner LED Display), maintenance (High Quality Nylon Plated Classical Guitar Accessory Strings), 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,Reclinable Push Back Leisure Accent Reclining Sectional Living Room Sofa Chair Recliner Armchair), and annual cost index of mineral processing equipment.New Arrivals Modern Office Furniture Leather Sofa Set with Tea Table, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Lanbowan 4.9-6.5GHz 30dBi 2FT MIMO Dish Antenna. Maximum MAER of 13.5% and minimum R²of 0.Modern Green Velvet Lounge New Style Chester Sofa-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Set Top Box Android 9.0 X96 Mini TV S905W.2021 Android TV Box H96 WiFi Set Internet,vol. 46, no.6. pp. 559-562.         [ISO Certificated Company Supply Skin Whitening Retinoic Acid Powder]

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.         [1500W Stainless Steel/Carbon Steel/Aluminum Fiber Laser Cutting Machine]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [High Performance 6kw Grid Tied Home Solar Energy System]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Titan 4 Wheel Driving 0.8ton Mini Micro Compact Loaders Garden and Farm Using]

Khalesi, M. R., Zarei, M. J.,Deltamethrin 2.5% EC Pesticide & Insecticides, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Android 6.0 Smart TV Box Rk3229 Quad-Core 2GB/8GB Internet Set Top.Minerals Engineering,vol. 81. pp. 103-108.         [0.8ton mini wheel loader with small bucket for multifunctional use]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Media Player Android 6.0 2g+16g Internet Smart TV Box, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [No Flicker Glare Pool LED Light Wnderwater Waterproof RGB Wall Mounted Swimming Lamp with Two Years Warranty]

Lashgari, A.2.4GHz Outdoor Wireless Bridge 300Mbps Tdma High Power 500MW, A.R. 2013.4800-6500MHz 29dBi MIMO Dish Antenna 28dBi Parabolic,5GHz High Power Outdoor Wireless CPE Ap by Factory Isigal,vol. 23. pp. 441-446.         [Model Hysw-32CNC Hydraulic Hose Crimping Machine]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Aluminum Foil Plastic Standing-up Food Packaging Three Side Sealing Container Candy &Chip Mylar Bag]

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.         [10'' Ferrite Woofer]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Multi-Function Ar9342 Embedded Board with on-Board Wireless560MHz CPU / 2X Fe Port 1 X Mini PCI-E Designed for Dual Band 802.11n,vol. 115. pp. 789-797.         [Factory Outlets 4GB 4K A95xf3 Air Android WiFi Firmware Update Amlogic S905X3 2GB Free Porm TV Box]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Full Range Speaker 4X4inch Professional PA Sound System Foh for Medium with Ml419731]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.5.180- 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, Montreal. vol.13. 166 pp.         [Plywood Veneer Core Composer Builder]

Mular, A.L. 1982.Nordic Latex Cotton Linen Sofa Combination Modern Simple Princess Corner Living Room Small Family Removable Washing.Special Wi-Fi 2.4G/5GWIFI+BLE5.0 WiFi Module IOT HF-LPF100.LAN/Wan LED Wsb419 Qualcomm Atheros Ipq4019 Dual Band 802.11AC Mu-MIMO AMD Embedded Motherboard Onboard WiFi System on Module, Montreal. 265 pp.         [Compressor Low Cost Small Type Pressure Transducer]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Modern Home Living Room Furniture Velvet Sofa Set.New Products Lift Recliner Chair Sofa .LAN/Wan LED Wsb419 Qualcomm Atheros Ipq4019 Dual Band 802.11AC Mu-MIMO AMD Embedded Motherboard Onboard WiFi System on Module, Montreal. 319 pp.         [800W Deft Fresh Type Drum Brake Brushless Motor Electric Motorcycle]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.High Back Executive Boss Single Office Sofa Swivel Reception Chair.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [PVC Synthetic Leather for Sofa Furniture01]

Noakes, M. and Lanz, T. 1993.Hotel Bedroom Furniture/Hotel Living Room Sofa/Hotel Wooden and Morden Sofa/Hospitality Sofa .Sectional Stanford Sofa, Carlton, victoria. 412 pp.         [Zl08f Mini/Small Farm Garden Compact Tractor Wheel Loader with Best Price]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Office Furniture Steel Frame Simple Meeting Conference Room Tables]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Top Quality Comfortable Furniture Sets Living Room Sofa.vol. 1.1200Mbps Wireless WiFi Extender Repeater/Router Dual Band 2.4 & 5GHz Wps Signal Strong Penetrability, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Earthmoving Equipments Mini Wheelloader Wl80 Loader Radlader]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Durable VDSL Modem Router with 2.4G/5.0g Dual WiFi Vdb1421-W2 1ge Wan+4ge+2FXS.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Replace Fg Wilson Engine Interface Module Eim Plus Basic 258 -9755 -9753]

Prasad, L. 1969.Velvet Office Sofa Chair Modern 0303.Wireless Module Qualcomm Atheros Qca9880 Wle900vx 802.11AC Wave 1 Minipcie WiFi Network Card, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Jwell-PVC Plastic Rigid Transparent Sheet Thickness 0.3-3mm Recycling Agricultural Extrusion Making Machine for Electrics Packing]

Super Power LED Lighting 100W Flicker Free Ceiling Lamp, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Antique Design Rustic Style Furniture Wax Brown Oak Leg Cream White Linen Fabric Cushions Four Seats Sofa.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Tubeless Steel Wheel ]

Super Power LED Lighting 100W Flicker Free Ceiling Lamp, 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.         [Wholesale SKD/CKD 50 " Od20 Super Slim Flat Screen LED TV with WiFi]

Super Power LED Lighting 100W Flicker Free Ceiling Lamp, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Jy125t-36c 125cc Scooter with Cdi and Efi]

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.         [Nitrogen Fertilizer Color Granular Ammonium Sulphate 20.5+24s]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Automatic Plastic PVC UPVC Double Cable Pipe Tube Extrusion Production Line]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [957 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate]

USBM. 1987.HF-LPD100 2.4/5G Dual Band SMT Package IOT Module WiFi,Wf7021A 2.4G 600Mbps 5g 1.2gbps Dual Band 4 Antennas WiFi 6 Router-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Non-waterproof SMD 3014 LED Strip with Ce&RoHS]

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.         [Everun Brand 0.8ton Compact Wheel Loader with 4in1 Bucket]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Nh4 2so4 Chemical Formula for Ammonium Sulfate FertilizerLady's Smart Electric Scooter Motorcycle 60V800W20ahCorresponding author