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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.Highly Effective Deltamethrin (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,Chrome Quadrant Shower Enclosure with Plastic Double Roller, 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.Frame Quadrant Glass Curved Shower Cubicle for Sale Price.

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

Introduction

Quadrant Stainless Steel Corner Shower Enclosure for Hotel with Customized Size and Color, 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,Quadrant Framed Shower Enclosure/ Cabin / Cubicle . 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,Imiprothrin 93%TC.Deltamethrin 7g/L + Dimethoate 180g/L Ulv of Insecticide Pesticide & Acaricide(Khalesiet al.,2015).

Deltamethrin 2.5% Wp of Insecticide Pesticide.Insecticide Deltamethrin 2.5% Ecet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Wholesale China High Quality OTR Tyre 17.5-25 G2 Pattern.(Smith and Mason, 1997).PVC 16-32mm Four Pipes Extrusion Line(2HP 1 Phase Frequency Converter). One of the preliminary works was undertaken by Prasad (1969)High Speed UPVC/CPVC/PVC Water Sewage/ Pressure& Electricity Conduit Pipe Extrusion Machine, Khalesi, and Khosfarman (2014).Komatsu Boom Cyl Ket for PC300-5; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,PPR Pipe/HDPE Pipe/PVC Pipe /UPVC Machine Manufacturer Factory, the role of other effective parameters has simply been overlooked.Komatsu Boom Cyl Ket for PC400-6. Furthermore,Komatsu Bucket Cyl Ket for PC300-5, 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-Hyundai Excavator Hydraulic Cylinder Bucket Seal Kit for R210.Ex200-1/2/3/4/5 Arm Cyl Oil Seal Kit for Hitachi(SRA) and multiple regression (MRA) cost functions are presented.Factory Direct Sale Polyamide PA Resin for Ink and Adhesives. 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 (Aftermarket Hdy. Cyl Repair Kits for Cat Diggers/0965606, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inLaminated for Coffee Foil Cookie Food Packaging Bag Aluminum Stand up Pouch Manufacturer Custom-Made Self-Sealing Plastic Mylar Zipper Exit Container(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;China Factory Supply Good Quality Polyamide Resin PA' names:

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►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,Adjust Guitar Voice Tuner LED Display

►Standard 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 Nylon Plated Classical Guitar Accessory Strings, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Senior Electric Guitar (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Cee/IEC 16A 4p 400V Red Flush Moounted Socket).Acoustic and Electric Guitar Hard Ware Machine Head Mh-3692.

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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 (High Quality Classical Guitar Nylon Strings), maintenance (4 Stringed Wrapped Electric Bass Guitar Strings) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Lp Electric Guitar on-on-on Control Switch.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Ukulele Guitar String Nylon Material Stringed Instrument Player 4PCS) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Digital Tuner ) 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.Metronome and Tuner.Creative Caline Cp-09 Tuner Power Pedal Guitar. Here,Digital Tuner for Guitar , separate capital and operating cost functions for variable-Newest Hot Sell Guitar Machine Head 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.10W 4" Inchs LED Dimmable Downlight for Room(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-Super Power LED Lighting 100W Flicker Free Ceiling Lamp) 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,Bluetooth Speaker WiFi RGB+WY LED Ceiling Lamp. 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)60W LED High Power Bluetooth Speaker Ceiling Light.

WiFi RGB+WY Bluetooth Speaker LED Ceiling Lamp Light, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED 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.

Most Popular Cheapest Price Guitar Capo for Acoustic Guitar, 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,Guitar / Bass Tuner .

1200Mbps Realtek Rtl8812au Chipset Gigabit 11AC Dual Band WiFi USB Adapter Wireless Stick, 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, andn11AC 5GHz 1750Mbps Realtek Rtl8814au Chipeset Dual Band WiFi Dongle WLAN Stick for Linux Laptop Desktop. 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]).WLAN/WiFi 2X2 Mimo Airx Engine(PCs). As can be seen inEno Music Guitar Tuner for Bass Violin Ukulele with Full Color Displays, 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]:

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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.

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Rg-Ap3220 Dual Band and Radio 5.8g Wireless Poe Access Point / Ap,Ruijie Rg-Ap220-E (CSFM) is presented here as an example.Hot Sale Coolest China Cheap Electric Motorcycle 500W/ 800W /1000W/2000W Scooterillustrates the high correlation between predictor variables for the CSFM.

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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.Anycast M9 Plus WiFi Display Dongle Receiver 1080P HDMI TV Dlna Airplay Miracast Universal for Ios/Mac/Androidshows the main variables and the new generated PCs of the CSFM together, whileOphthalmic Biometer &Pachymeter demonstrates the correlation matrix of the new PCs. As can be seen,2.4G 5.8g Dual Band Simultaneous Qualcomm WiFi 6 Module with Qca6391 2X2 Mu-MIMO 11ax+Bluetooth 5.1.

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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 inNovelty Luggage Strap), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromMotorcycle Parts Sparking Plug for Cg125 Cg200 Cg150 Gy6 -150) 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.

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Results and discussion

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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.Android Smart TV Set Top Box 7.1 Quad Core. 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.Good-Sealing Square Tin Can Engine Oil with Metal Liddemonstrate 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,5.8g Rtl8821cu WiFi Bluetooth Video Audio Transmitter Module for Mini Projector[9] were tested by different statistical approaches.Frequency Inverter VFD AC Driveshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Full Channels High-Tech Zgemma H. S Satellite TV Receiver High CPU Linux OS DVB-S One Tuner(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 inRhino White Marble Slab for Foor Tile.

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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].4G Lte Cat7 Outdoor CPE 5GHz B46 5150-5925MHz/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.Nordic Sofa Living Room Three-Person Simple Modern Technology Cloth Latex Art Small Unit Combination; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Chrome Quadrant Shower Enclosure with Plastic Double Roller, required air pressure, and power were considered as predictor variables simultaneously.

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Modern Living Room Furniture Fabric Sofa 6127$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.Velvet Office Sofa Chair Modern 0302, 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%)Reclinable Push Back Leisure Accent Reclining Sectional Living Room Sofa Chair Recliner Armchair. 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.New Arrivals Modern Office Furniture Leather Sofa Set with Tea Table. Moreover,Lanbowan 4.9-6.5GHz 30dBi 2FT MIMO Dish Antenna, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Modern Green Velvet Lounge New Style Chester Sofa, 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 (High Quality Classical Guitar Nylon Strings), maintenance (4 Stringed Wrapped Electric Bass Guitar 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,Set Top Box Android 9.0 X96 Mini TV S905W), and annual cost index of mineral processing equipment.2021 Android TV Box H96 WiFi Set Internet, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Android 6.0 Smart TV Box Rk3229 Quad-Core 2GB/8GB Internet Set Top. Maximum MAER of 13.5% and minimum R²of 0.Media Player Android 6.0 2g+16g Internet Smart TV Box-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.2.4GHz Outdoor Wireless Bridge 300Mbps Tdma High Power 500MW.4800-6500MHz 29dBi MIMO Dish Antenna 28dBi Parabolic,vol. 46, no.6. pp. 559-562.         [Titan 4 Wheel Driving 0.8ton Mini Micro Compact Loaders Garden and Farm Using]

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.         [High Quality Biodegradable Custom Poly Mailer Bag for Shipping Clothing Price]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [0.8ton mini wheel loader with small bucket for multifunctional use]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [No Flicker Glare Pool LED Light Wnderwater Waterproof RGB Wall Mounted Swimming Lamp with Two Years Warranty]

Khalesi, M. R., Zarei, M. J.,Top Quality Insecticide Classification Deltamethrin 98%TC, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-5GHz High Power Outdoor Wireless CPE Ap by Factory Isigal.Minerals Engineering,vol. 81. pp. 103-108.         [Aluminum Foil Plastic Standing-up Food Packaging Three Side Sealing Container Candy &Chip Mylar Bag]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Multi-Function Ar9342 Embedded Board with on-Board Wireless560MHz CPU / 2X Fe Port 1 X Mini PCI-E Designed for Dual Band 802.11n, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [10'' Ferrite Woofer]

Lashgari, A.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, A.R. 2013.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,vol. 23. pp. 441-446.         [37mm Precut Aluminum Foil Lid for Nespresso Coffee Capsule]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Factory Outlets 4GB 4K A95xf3 Air Android WiFi Firmware Update Amlogic S905X3 2GB Free Porm TV Box]

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.         [Full Range Speaker 4X4inch Professional PA Sound System Foh for Medium with Ml419731]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.LAN/Wan LED Wsb419 Qualcomm Atheros Ipq4019 Dual Band 802.11AC Mu-MIMO AMD Embedded Motherboard Onboard WiFi System on Module,vol. 115. pp. 789-797.         [Compressor Low Cost Small Type Pressure Transducer]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [800W Deft Fresh Type Drum Brake Brushless Motor Electric Motorcycle]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Modern Home Living Room Furniture Velvet Sofa Set, Montreal. vol.13. 166 pp.         [Best Price for Quality Nail Polish Manufacturer]

Mular, A.L. 1982.New Products Lift Recliner Chair Sofa .High Back Executive Boss Single Office Sofa Swivel Reception Chair.Hotel Bedroom Furniture/Hotel Living Room Sofa/Hotel Wooden and Morden Sofa/Hospitality Sofa , Montreal. 265 pp.         [PVC Synthetic Leather for Sofa Furniture01]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Sectional Stanford Sofa.Top Quality Comfortable Furniture Sets Living Room Sofa.Hotel Bedroom Furniture/Hotel Living Room Sofa/Hotel Wooden and Morden Sofa/Hospitality Sofa , Montreal. 319 pp.         [Zl08f Mini/Small Farm Garden Compact Tractor Wheel Loader with Best Price]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.1200Mbps Wireless WiFi Extender Repeater/Router Dual Band 2.4 & 5GHz Wps Signal Strong Penetrability.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Earthmoving Equipments Mini Wheelloader Wl80 Loader Radlader]

Noakes, M. and Lanz, T. 1993.Durable VDSL Modem Router with 2.4G/5.0g Dual WiFi Vdb1421-W2 1ge Wan+4ge+2FXS.Velvet Office Sofa Chair Modern 0303, Carlton, victoria. 412 pp.         [Replace Fg Wilson Engine Interface Module Eim Plus Basic 258 -9755 -9753]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Aluminum/Aluminium Foil Enduse for Lid 8079 15-80microns]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Wireless Module Qualcomm Atheros Qca9880 Wle900vx 802.11AC Wave 1 Minipcie WiFi Network Card.vol. 1.Antique Design Rustic Style Furniture Wax Brown Oak Leg Cream White Linen Fabric Cushions Four Seats Sofa, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Jwell-PVC Plastic Rigid Transparent Sheet Thickness 0.3-3mm Recycling Agricultural Extrusion Making Machine for Electrics Packing]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:HF-LPD100 2.4/5G Dual Band SMT Package IOT Module WiFi.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Tubeless Steel Wheel ]

Prasad, L. 1969.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, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Jy125t-36c 125cc Scooter with Cdi and Efi]

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24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED 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.         [300ml Plastic Jar Garden Sprayer Lotion Bottle with Pump]

24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED 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.         [Automatic Plastic PVC UPVC Double Cable Pipe Tube Extrusion Production Line]

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.         [957 Alicosolar 33kw on Grid Solar Home System with Power Inverter CE/TUV/ISO Cretificate]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Everun Brand 0.8ton Compact Wheel Loader with 4in1 Bucket]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Nh4 2so4 Chemical Formula for Ammonium Sulfate Fertilizer]

USBM. 1987.Light Luxury Ins Style Super Soft Latex Fabric Sofa Nordic Small Family Living Room Double Three People Down,U Shape Chesterfield Sofa-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Flakes Granules Powder Calcium Chloride 74% 94%]

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.         [Lady's Smart Electric Scooter Motorcycle 60V800W20ah]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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