GENERAL PAPERS

0.18mm Zebra Wooden VeneerCost modelling for flotation machines

S. Arfania; A.R.Supply High Quality Glycolic Acid Powder for Skin Whiting CAS 79 -14-1Proxima Entertainment Z-450 Digtal Speaker; 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.Retinoic Acid CAS 302- 79 -4 in Stock(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,Plastic Clear White Stand-up Drinking Liquid Spout Food Packaging Bag, 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.ISO Certified 100% Natural L-Arginine Powder.

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

Introduction

High Quality Cosmetic Grade Hydroxyacetic Acid Glycolic CAS 79 -14-1, 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,Chemical Reagent Bloom Tech 2. 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,High Quality Opa O-Phthalaldehyde with Best Price.Wholesale Factory Price High Quality Retinol Palmitate/Vitamin a Palmitate of Cws 250iu/G(Khalesiet al.,2015).

KTV 10 Inch Speaker Box with Good Sound.10 Inch Powered Line Array Speaker Activeet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for L-Pyroglutamic Acid(Smith and Mason, 1997).Hot Sale Model V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker(16 in 1 CATV Modulator Fixed Frequency). One of the preliminary works was undertaken by Prasad (1969)Dual 10 Inch Line Aray Powered Active Sound System, Khalesi, and Khosfarman (2014).60W 10 " Portable HP5 Series Trolley Speaker with 2 UHF Mics; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Manufacturer Supply 1, the role of other effective parameters has simply been overlooked.Dual 10inch PA Audio Line Array Speaker Box System. Furthermore,Dual 10 " 600W Line Array PA Professional Speaker , 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-10 " Dia Cast Aluminum Professional Subwoofer Basket.Food Packaging Vacuum Pouch(SRA) and multiple regression (MRA) cost functions are presented.Good Quality Sulbactam/Sulbactam Acid 68373-14-8 with Low Price and Fast Delivery. 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 (L-Arginine 99%, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in25KW Ground Mini loader price(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;China Factory Price CAS 702- 79 -4 1' names:

►CPP High Temperature Vacuum Retort Pouch: based on 36-foot,Factory Direct Semi-Synthetic Glycopeptide Antibiotic Pharmaceutical Raw Material Dalbavancin ,High Temperature 3 Side Seal Retort Pouch for Corn,R-3-Amino-1-N-Boc-Piperidine, 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,ISO Certified 100% Natural L-Arginine Powder

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Mylar Barrier Exit Waterproof Cr Bag, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Stand-up Ziplock Dried Food Packaging Vacuum Plastic Container(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Radial Giant OTR Tyre 36.00r51 E4 for Rigid Dump Truck).High Quality Laminated Food Grade Roll Film.

White Ammonium Sulphate NPK Fertilizer

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 (D&B Style Dual 10 Inch Compact Line Array ), maintenance (Safety Shape Bag /Food Packaging Contact Plastic Container for Resealable) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Custom Plastic Coffee Flat Bottom Food Packaging with Ziplock Container.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Family Usage Embossed Vacuum Bags for Food) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Matte Black Food Packaging Stand-up Pouch Aluminum Foil Bag) 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.Snsck Food Bag Fried Flat Bottom Box Pouch with Zipper.Dual 10 " Compact Speaker Line Array . Here,10 " Woofer with 3" Voice Coil, separate capital and operating cost functions for variable-Lf Drivers 10 Inches 50-4000 Response Martin Audio Speaker Pw1026-64.

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.Dual 10 Inch Line Array Speaker for Theater (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-Lf Driver 10 Inches 64mm Glass Fiber Coil Professional Speaker ) 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,Dual 10 Inch Line Array for Church . 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)15 Inch/12 Inch/ 10 Inch/8 Inch Full Range Speaker Box .

10'' Inch Ferrite Woofer, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker, 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.

Q1 Dual 10 " Line Array System, 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,D&B Style Dual 10 " Compact Line Array .

New Tw Audio Vera36 Dual 10 " Line Array Speaker System, 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, andnProfessional Line Array Vtx V20 Dual 10 Inch Three Way Speaker. 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]).Dual 10 " Compact Professional Line Array (PCs). As can be seen inRetinol Palmitate/Vitamin a Palmitate Oil as Food Ingredient, 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]:

Body Circumference Reduction RF Vacuum Fast Slimming System Beauty Apparatus

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.

Custom Kraft Paper Flexible Food Packaging Flat Bottom Bag-100gr

Custom Water Proof Child Resistant Food Grade Plastic Aluminum Laminated Stand up Container Bag,Hot Sale Vacuum Bag Nylon Material for Agricultural Products(CSFM) is presented here as an example.Yn725 Yineng Mini Wheel Loader 18.5kw Cabinillustrates the high correlation between predictor variables for the CSFM.

Black Flock on Velvet Fabric

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.Titan Brand 0.8 Ton High Quality Mini Wheel Loader with and Performance.shows the main variables and the new generated PCs of the CSFM together, whileElectric Dirt Bike Zm-Es18 with 500W- 800W Motordemonstrates the correlation matrix of the new PCs. As can be seen,Buy 99% Retinoic Acid Powder Vitamin a Tretinoin Retinol for Cosmetic.

Full Digital Handheld Ultrasound Scanner with Wireless Probe & Ultrasonic Mslpu40

Everun Brand New Generation CE Approved Er408 0.8ton Mini Front End Wheel Loader

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 inEye Hook with Latch Lifting Dimensions), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromFrequency Inverters Motor Speed Controller 3 Phase 220V Vector Control Inverter) 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.

Yanmar Fuel Shutdown Solenoid 1503es-12s5suc12s

Results and discussion

Bio-Degradable Brown Kraft Food Packaging Bag

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.Child Resistant Waterproof Plastic Bag with Zipper. 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.4WD Wheel Loader Manufacture Small Radlader 1.0 Ton Mini780demonstrate 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,Kraft Paper LDPE Supermarket Vegetable Cosmetic Fruit Packaging Bag[9] were tested by different statistical approaches.Chinese Brand Smallest Turning Radius Rops Fops 0.8 Ton Mini Wheel Loader with Ce EPAshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Fried Chicken Sweet Chili Sauce Food Packaging(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 inModern Red Color Independent Simple Art Colorful Bathtub for Adult.

Spts

250cc Motor Cabin Tricycle Cargo with Canopy

Cost model for variable-Gravure Printed Anti Static Bags ESD Shielding Anti-Static Bag APET/CPP APET/PE Moisture Proof Sntistatic Bag  /ESD Bag/Aluminium Foil Bag/Antistatic

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].Kraft Paper Flat Bottom Bag with Ziplock/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.New Model V8 D&Bstyle Dual 10 Inch Three Way Line Array Speaker; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Plastic Clear White Stand-up Drinking Liquid Spout Food Packaging Bag, required air pressure, and power were considered as predictor variables simultaneously.

Alumimun Foil Film Bag. Moreover, the operating cost was detailed in different cost items.99 Purity Peptides Oxytocin Injection Acetate 2mg, indicated in1lt Metal Tin Plated Container Round Paint Can with Triple Tight Lid Manufacturer Wholesale, and major extrapolation should be avoided.

99% Pure CAS 56-95-1 Bulk Chlorhexidine Diacetate/Acetate Powder$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.Lf Driver 10 Inches 63.5mm Kapton Coil Professional Speaker , 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%)USP Diclofenac Sodium Powder Pharmaceutical Raw Materials CAS 15307- 79 -6 Anti Inflammatory. 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.Click 2021 Hot CAS 85-27-8 Symwhite Phenylethyl Resorcinol Made in China. Moreover,Cosmetic Raw High Purity CAS 79 -81-2 Vitamin a Palmitate Powder, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (10'' Inch Ferrite Woofer, 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 (D&B Style Dual 10 Inch Compact Line Array ), maintenance (Safety Shape Bag /Food Packaging Contact Plastic Container for Resealable), 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,High Quality Oxytetracycline CAS 79 -57-2 with a Exposure Rate and The Latest Date of Production), and annual cost index of mineral processing equipment.10'' Ferrite Woofer, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Professional Stage Line Array System Dual 10 Inch DSP Active Speaker . Maximum MAER of 13.5% and minimum R²of 0.D&B Style Dual 10 " Professional Speaker Line Array -feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.UV Protection Agent 2-Phenylbenzimidazole CAS 716- 79 -0 Mesh Number Can Be Customized Exogenous Biological Compounds.Line Array 10 Inchneodymiun PRO Audio Woofer,vol. 46, no.6. pp. 559-562.         [Dust Proof Steel Shackle Padlocks with Master Key]

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.         [60cm Length 4000W Power UK Socket USB Charger Electrical P2-60-UK]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [High Purity 99% Oxalyl Chloride with Good Quality]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [2HP Frequency Converter Vector Single Phase]

Khalesi, M. R., Zarei, M. J.,Supply High Quality Glycolic Acid Powder for Skin Whiting CAS 79 -14-1, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Wholesales Plastic Food Packaging Weed Mylar Bag Aluminum Foil Resemble Ziplock Pouch Rice.Minerals Engineering,vol. 81. pp. 103-108.         [3X3 video wall LCD HD 1080P digital display screen]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Mylar Custom Printing Barrier Exit Bag, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Inconel X-750 Forged/Forging Round Bars ]

Lashgari, A.10 Inch Coaxial Speaker Professional Driver 250wrms " Line Array Church Sound Equipment, A.R. 2013.10 Inch Coaxial Speaker Professional Driver 250wrms Line Array,Professional Dual 10 " 3-Way Tri-AMP Line Array Speaker,vol. 23. pp. 441-446.         [Stylish and Elegant in Foreign Trade Japanese Summer Removable Iced Bean Paste False Nails]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Buy Prilocaine Hydrochloride Local Anesthetic Powder Factory Wholesales Price CAS: 1786-81-8]

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.         [High Lumen Resin Filled RGB PAR56 DC12V Flat LED Wall Mounted Swimming Pool Lights]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Manufacturer Supply 1,vol. 115. pp. 789-797.         [Professional Sound Speaker Single 8 Inch Portable Stage Monitor PS8r2]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [IGBT Induction Heater Heating Equipment for Metal Surface ]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Dual 10inch Powerful Line Array Speaker Ds210 Professional, Montreal. vol.13. 166 pp.         [Computer Display Universal Testing Machine]

Mular, A.L. 1982.Feiyang/Temeisheng 10 Inch Professional DJ Wooden Speaker Audio Gd10-02.Neodymium Double 10 Inch DSP Active Professional Powered Line Array Speaker.Fast Delivery 1-Bromo-3 5-Dimethyladamantane CAS 941-37-7/941 37 7/941377/702- 79 -4/702 4/702794, Montreal. 265 pp.         [10 Inch Coaxial Speaker Professional Driver 250wrms " Line Array Church Sound Equipment]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Supply Rubber Accelerator Mbt 2-Mercaptobenzothiazole CAS No.: 149-30-4.High Quality Vitamin B5 Pantothenic Acid Powder Manufacturer with Bulk Shipment.Fast Delivery 1-Bromo-3 5-Dimethyladamantane CAS 941-37-7/941 37 7/941377/702- 79 -4/702 4/702794, Montreal. 319 pp.         [China Hot Sale Professional Speaker Dual 10 Inch Line Array]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.10xt High-End PRO Audio Stage Monitor 10 Inch Coaxial Speaker Box.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Skin Whitening Machine / Fractional RF]

Noakes, M. and Lanz, T. 1993.Pharmaceutical Intermediate 1.2-Phenylbenzimidazole|716- 79 -0 99% High Purity, Carlton, victoria. 412 pp.         [Ophthalmic Equipment Biometer Scan a]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [American Children's Clothing Girls' Coat Spring Korean Version of Long- Sleeved Batwing Jacket European]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Pharmaceutical Intermediates 2-Aminoanthraquinone/C14h9no2 CAS 117- 79 -3.vol. 1.High Quality 1, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Europe Popular 5kw Grid Tied Home Solar Energy System with Ce]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:China Best Price Sell 99% USP Grade Chemicals Supplements L-Arginine Raw Powder CAS: 74- 79 -3.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Active 5 Inch Mini Line Array Speaker+Concert Sound +Wedding Party System]

Prasad, L. 1969.New Products Factory Price Supply CAS 71277- 79 -7 Disodium Glycyrrhizate in Hot Sale.Pharmavceutical Grade 2-Phenylbenzimidazole CAS 716- 79 -0 with Good Price, Metallurgy and Petroleum, Montreal. pp. 3-15.         [N]

V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-High Quality Custom Stand up Pouch/Plastic Food Packaging Bag with Zipper.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Powerful PRO Audio 2 Way Full Range DSP Powered Line Array Speaker]

V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker, 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.         [Ready to Ship! ! Foot Base Hobby Hobbyist 1530 Wood CNC Milling Machine Engrave Plexiglas]

V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [AC Drive Solar Pump Inverter 220V 380V Three Phase Inverters]

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.         [Endless Pool]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Professional Line Array System Dual 10 Inch 3 Way Passive]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Powder Compound Fertilizer Ammonium Sulphate with Nitrogen 21%]

USBM. 1987.Sell Well Opa,Best Price O-Phthalaldehyde-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Factory Direct Sale Three-Color Optional Crystal Trophy]

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.         [Closed Motorized China Cargo Tricycle with Box ]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Cat320b/C/D Arm Cyl Seal Kit Excavator Oil KitsHigh Quality 1.2ton Loading Compact Loader Hr912 with Snow BucketCorresponding author