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S45c Heavy Crane Applied Aluminum Full Casting Rope Sheavs
On-line version ISSN2411-9717
Print version ISSN2225-6253
J. S. Afr. Inst. Min. Metall. vol.117 n.1 Johannesburg Jan. 2017
http://dx.doi.org/10.17159/2411-9717/2017/v117n1a13Â
GENERAL PAPERS
Hot Sells Solar Power System for Home 3kwh with Both AC&DC OutputCost modelling for flotation machines
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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.Tetracaina HCl Tetracaine Base Depuracao Segura Mercado 100% Brasileiro(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,99% Pain Reliever Local Anesthetic Powder Tetracaine CAS 94-24-6, 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.China Factoty Supply Levamisole HCl CAS16595-80-5 Hydrochloride Tetramisole.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
400 Watt Portable Music Player Speaker Professional Audio, 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,Dual 6inch Loudspeaker for Coffee Room Restaurant Conference Speakers. 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,Dm 15 Inch PA Full Sound Systems Professional PRO Speaker.12inch KTV Bar PA Full Sound Speaker System Audio(Khalesiet al.,2015).
Dare Dual 8" Neodymium Active Line Array Set PA System.12" Die Cast Aluminum PA Speaker Frameet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for CATV Amplifier Module Bgy887 24V 22.6db Excellent Return Loss Properties(Smith and Mason, 1997).PA Speaker Dual 18" Subwoofer System(New Arrival 4K Smart S905X2 TV Box 4+64GB X96 Mini). One of the preliminary works was undertaken by Prasad (1969)PA Speaker with Line Array Tweeter Horn , Khalesi, and Khosfarman (2014).Active Mini Line Array Speaker with DSP Amplifier Module; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Quality Certified Product Ethyl 2-Phenylacetoacetate CAS: 5413-05-8 BMK Powder, the role of other effective parameters has simply been overlooked.High Quality Karaoke Loudspeaker with B&C Compression Driver. Furthermore,99% Tetracaine Hydrochloride/ HCl Powder CAS 136-47-0, 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-Factory Supply BMK Powder Glycidate CAS: 5413-05-8.China Factory Supply CAS 99-93-4 4-Hydroxyacetophenone(SRA) and multiple regression (MRA) cost functions are presented.Chinese Manufacturer Bulk Stock Pmk Intermediates16648-44-5 BMK White Powder. 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 (99.9% High Purity Prilocaine Hydrochloride/Prilocaine HCl CAS 1786-81-8, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in1220X2440X9mm Carb P2 Glue Bleached Poplar Plywood for Furniture(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;High Quality 4'-Hydroxyacetophenone CAS 99-93-4 4-Hydroxyacetophenone with Best Price' 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,Quality Guaranteed BMK White Powder CAS: 16648-44-5 Glycidate
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Hair Loss Treatment Acetyl Tetrapeptide-3/Capixyl CAS 827306-88-7 Purity Min 99% Powder, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),100% Passing The Customs Europe Free Shipping BMK Glycidate 16648-44-5(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Hot rolled for pressure vessels P355gh alloy boiler steel plate).Trolley Large Audio Loudspeaker Box Professional Stage Active PA Speaker.
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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 (BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6), maintenance (Portable 15inch PA Speaker F15+) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Pharmaceutical Chemical CAS 236117-38-7.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Speaker 12 Inch SA-212 Professional Sound Box Portable Passive) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Speaker Tcx- 10) 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.PA Woofer Speaker T- 10 12 15.Passive Double 10 Inch Proal Audios Sound System Line Array Speakers for Direct Sale. Here,Dual 10inch Professional PRO Audio Speaker System, separate capital and operating cost functions for variable-10 " PRO Audio DJ Line Array Speaker Equipment System.
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.Wholesale Factory Price CAS: 16648-44-5 BMK Glycidate Powder(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-Buy Real Pharmaceutical Intermediates BMK Glycidate Powder 16648-44-5) is a must. Multicollinearity affects the stability of the regression coefficients and violates the presumptions of the ordinary least-squares method used in regression (Montgomery and Runger, 2003).
In this paper,10 " PRO Sound PA Line Array Loudspeaker Audio Speaker System. 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)Big Outdoor Sound Equipment Active Dual 8" Line Array Speaker.
Professional Powered Line Array Selfpowered Speakers Active System, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (MBN1503 PA Woofer , Khalesi, and Khosfarman, 2014).
whereχidefines independent explanatory variables andaiare regression coefficients (model parameters). As was mentioned, independency ofxivariables 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.
Best Quality BMK Glycidate Raw Materials Fororganic Intermediates Bulk Price, 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]:
whereXobsis the observed value,xethe estimated value at time/placeI,and n,Self Powered Generator Double 8 Inch Outdoor Sound Indoor Line Array.
Light and Durable Mixing Console Mg124cx Audio Mixer, 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).
whereCeis the estimated cost,Cathe actual cost, andnChassis/Dolphin/Powerful Speaker for Stadium. 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]).Line Array with Accessories for PRO Audio(PCs). As can be seen inProfessional Audio Speaker Column Sound Equipment, 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 andXias Equations [5] and [6]:
In this research, main variables ofX1, X2... Xnwere 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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Kara Line Array Speakers Double 8 Inch Concert,Top Quality Isopropyl Alcohol (CSFM) is presented here as an example.4-20mA Oil Fuel Sensor Explosion Proof Differential Pressure Transmitterillustrates 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.Sanland 860MHz 34dB Gain CATV Push-Pull Amplifier Module shows the main variables and the new generated PCs of the CSFM together, whileHigh Security Door Peephole Eyes Viewer DV3828b demonstrates the correlation matrix of the new PCs. As can be seen,Disco Sound+ PA System Speaker.
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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)
whereXiare main technical variables (like power or required air),aiare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inOvernight /Soft/Cotton/Breathble Women Pads with Japan Sap), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromZl08 800kg China Articulated Mini Small Compact Front End Wheel Loaders with Ce) 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.High Quality Chloramphenicol CAS 56-75-7 China Factory Supplier. 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 Quality Wall Mounted Underwater LED Swimming Pool Light with Edison Chipdemonstrate 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,High Quality 99% CAS 16595-80-5 Levamisole Hydrochloride[9] were tested by different statistical approaches.CAS No.: 67-63-0 Colorless Transparent Liquid Isopropyl Alcohol 99.9% Used as Raw Materals in Pharmaceuticalshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.N- (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 inCustomized Acrylic Advertising LED Letter Sign Neon.
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Cost model for variable-Kara Double 8 Inch Liner Speaker System Professional Audio Equipment
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].Raw Material Anti Epilepsy Topiramate Powder with Best Price/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.Dual 12 Inch Powered Line Array Active Sound System W-210bp; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,99% Pain Reliever Local Anesthetic Powder Tetracaine CAS 94-24-6, required air pressure, and power were considered as predictor variables simultaneously.
High Quality CAS 16595-80-5 Levamisole Hydrochloride/ HCl. Moreover, the operating cost was detailed in different cost items.Levamisole Hydrochloride/ HCl Powder CAS 16595-80-5, indicated inChina Supplier of CAS 702- 79 -4 1, and major extrapolation should be avoided.
Pain Relleving Patch Topical Lidocaine Spray137-58-6 UK Warehouse Free Sample$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.Kas DJ Speaker Dual Line Array 18 Inch Subwoofer, 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%)Mini Speaker Line Array Wedding Decoraions DJ Mixer. 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.8 Ohm PRO Audio DJ Mixer Live Sound System. Moreover,Professional Stage Line Array System Dual 15'' Self-Powered Speaker, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (High Purity Valerophenone 1-Phenylpentan-1-One CAS 1009-14-9, 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 (BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6), maintenance (Portable 15inch PA Speaker F15+), 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,Topiramate), and annual cost index of mineral processing equipment.99% High Purity Bupivacaine Anesthetic Powder Factory Price CAS: 14252-80-3, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Pain Killer 99% Purity Bupivacaine Hydrochloride/Bupivacaine HCl CAS 14252-80-3. Maximum MAER of 13.5% and minimum R2of 0.Levamisole HCl / Hydrochloride Anthelmintic Agent Raw CAS 16595-80-5-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.Nootropic Powder 99% Noopept/Gvs-111 Manufacturer CAS 157115-85-0 Best Price.Anesthetic Raw Materials Tiletamine HCl Injection 14176-50-2 Bulk Price,vol. 46, no.6. pp. 559-562. [Tg01 1 Inch Silk Dome Tweeter]
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. [Waterproof Colorful RGB LED Neon Strip/Lamp]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [L18 /86138-Good Feedback! Professional 18 Inch PA Speaker 1500W RMS Neodymium Subwoofer]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Granular Grade Ammonium Sulphate N20.5% Nitrogen Fertilizer]
Khalesi, M. R., Zarei, M. J.,Manufacturer Supply Bdo Novel Intermediate 1, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-High Quality Nootropics Noopept CAS 157115-85-0 Best Price.Minerals Engineering,vol. 81. pp. 103-108. [Electric Motorcycles ]
Kim, G.H., An, S.H., and Kang, K.I. 2004.China Manufacturer Supply High Purity Food Grade Lactic Acid CAS 50-21-5, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Factory Supply Top Quality Cooling Agent Ws-3 CAS 39711- 79 -0]
Lashgari, A.2021 Hot-Sale Lt12 Dual 12" Concert Line Array System, A.R. 2013.Line Array of Parts for PRO Audio Speaker,Effects Night Club Bluetooth Powered Speaker Pofessional PA Line Array,vol. 23. pp. 441-446. [Natural Cold Proceed Oil Soap for Face Washing]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Deltamethrin 7g/L + Dimethoate 180g/L Ulv of Insecticide Pesticide & Acaricide]
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. [Double End Single Side Acrylic Freestanding Tub]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.High Reliability DSP Active Professional Line Array Speaker ,vol. 115. pp. 789-797. [Professional Line Array Speaker Neodymium Af15]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [OEM 6kw Home Grid Tied Solar Power System Without Battery]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Kara Dual 8 Inch Line Array Speakekr with 3 Compressiond Driver Unit PRO Audio Speaker, Montreal. vol.13. 166 pp. [60" 60 Inch Flat Screen Android Television Home LED TV LCD Smart]
Mular, A.L. 1982.Professional Audio Line Array Speaker Neodymium Crossover System.Line Array System with Parts for PRO Audio Speaker .Dual 12 Inch Top Passive Line Array Speaker and Single 18 Sub System, Montreal. 265 pp. [350ml Brake Fluid Glue Tin Bottle]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Power Amplifier Module Board + Made in China 400 Watt AMP.Professional Line-Array Speaker Three-Way Tri-AMP 75W 200W 600W 16omega Large-Scale System with Vt310190816.Dual 12 Inch Top Passive Line Array Speaker and Single 18 Sub System, Montreal. 319 pp. [Ebike Battery Pack Li-ion 36V 10ah Lithium for Electric Scooter with Long Cycle Life]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Tp01 Piezo Electric Dome Tweeter.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [D&B Q1 Style Dual 10 Inch Professional Speaker ]
Noakes, M. and Lanz, T. 1993.Line Array of Parts for PRO Audio Speaker .Line Array with Accessories for PRO Audio , Carlton, victoria. 412 pp. [3ru 24 in 1 CATV Fixed Channel Modulator ]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Sea Shipping LCL Freight Forwarder From China to Busan Professional Fast Reliable Logistics Services]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Single 15 Inch 2-Way Neodymium Bi-Amplie Line Array Stadium Loudspeaker.vol. 1.Bulk Supply Veterinary Tranquilizer Tiletamine Xylazine Powder 14176-50-2, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Home Application on Grid Tied Solar Power System 3kw]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Tg01 1 Inch Silk Dome Tweeter.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Changhong Cj-Series Semi-Automatic High Speed 8 Color Flexographic Printing Machines]
Prasad, L. 1969.Professional Speaker Compective PRO Audio .Double 12inch Active Coaxial 29kg Line Array Speaker System, Metallurgy and Petroleum, Montreal. pp. 3-15. [High Purity Local Anesthetic Larocaine Powder CAS: 94-15-5 UK Hot Sales]
MBN1503 PA Woofer , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Free Shipping 99% Tranquilizer Powder Tiletamine HCl 14176-50-2 NMDA Receptor.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [45cm Offset Satellite TV Antenna with 200 Hour UV Test]
MBN1503 PA Woofer , 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. [Tungsten Carbide Punch Die Button Guide]
MBN1503 PA Woofer , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [Custom Printed Food Grade Aluminum Foil Plastic Packaging Weed Mylar Bag for Fine Powder Snacks]
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. [High Purity and Good Price Glycolic Acid ]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Yn725g Yineng Mini Wheel Loader 18.5kw No Cabin]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Chinese 300cc Cheap Farm Gas Trike ]
USBM. 1987.Purity 75% Colorless Transparent Liquid Isopropyl Alcohol Disinfectant,Levamisole HCl Anthelmintic Agent Hydrochloride Raw CAS 16595-80-5-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Manufacturer Transparent Crystal Epoxy Hard DIY Crafts River Table Infusion Yellowing Resistant Resin Ab Glue]
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. [Professional Audio Loudspeaker Vt312 Dual 12 Inch Stadium PA Speaker]
Paper received Apr. 2015
Revised paper Received Jul. 2016
Small Fquequency Inverter/Converter for Mini MotorChina Factory Price CAS 702- 79 -4 1Corresponding author