Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Yishan 160HP crawler bulldozer T160G with competitive price
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
974 Solar 30kw 40kw 50kw on Grid Tie Power System for House/Factory RoofCost modelling for flotation machines
S. Arfania; A.R.60 Inch Waterproof Floor Standing Alone Outdoor Digital Signage and DisplayCAS: 702- 79 -4; 1; 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.2021 Popular Outdoor LCD display Alone Instagram Photo Booth(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,Sinopec Brand Chemical Fertilizer N21% with White Color, 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.White Ammonium Sulphate NPK Fertilizer.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Nitrogen 21% Crystal Shape Agriculture Fertilizer, 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,Capro Grade Crystal . 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,Powder Compound Fertilizer Ammonium Sulphate with Nitrogen 21%.Powder Caprolactam Grade Chemical Fertilizer with Nitrogen 21%(Khalesiet al.,2015).
N21% Caprolactam Grade Ammonium Sulphate.White Color Crystal Nitrogen N21% Ammonium Sulfateet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Dsola Factory Customized High Efficient Solar Cable Connector Mc4(Smith and Mason, 1997).China Best Price Agriculture Fertilizer with Nitrogen 21%(10 " PRO Audio Line Array Speaker System). One of the preliminary works was undertaken by Prasad (1969)Factory Price Agricultrue Fertilizer with Caprolactam Grade, Khalesi, and Khosfarman (2014).White Powder; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Crystal Nitrogen 21% Agricultural Fertilizer, the role of other effective parameters has simply been overlooked.Steel Grade Nitrogen 20.5% Ammonium Sulphate. Furthermore,Nitrogen Fertilizer, 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-Cheap Price Fertilizer Ammonium Sulphate Steel Grade.Nitrogen Fertilizer Caprolactam Grade Granular CAS No. 7783-20-2 N21% Ammonium Sulphate(SRA) and multiple regression (MRA) cost functions are presented.Cheap Price Fertilizer Ammonium Sulphate Blue Star 21%. 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 (Urea Fertilizer/ Ammonium Sulfate with Steel Grade, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inoff Grid Tied Solar Inverter 10kw 15kw 20kw 30kw 50kw 100kw 200kw 500kw 3phase(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Agriculture Ammonium Sulphate Caprolactam 25kg Package' names:
►High Quality Ammonium Dibutyl Dithiophosphate 95%: based on 36-foot,L18 /8693 Falante Professional 18inch Subwoofer 1200W New Product China Supplier,N21% Nitrogen Fertilizer Ammonium Sulphate Factory Price,Plants Ammonium Sulphate Granular 20.5%Min, 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,Chemical Factory Sale Ammonium Sulphate Fertilizer Granular
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Caprolactam Grade Ammonium Sulfate Soa Fertilizer Sulphate, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),20.5% Nitrogen Steel Grade Ammonium Sulphate in Agriculture(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Convenient Quick Drying Hand Washing Free Liquid Medical Alcohol 75 Disinfectant Gel).Nitrogen Fertilizer Caprolactam Grade Ammonium Sulphate.
Beautiful Design T95 RAM 4GB ROM 32GB Allwinner H616 Universal 4K TV Android 10.0 Set Top Box
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 (Nitrogen Fertilizer Steel Grade as From China Factory), maintenance (Nitrogen Chemical Fertilizer Ammonium Sulfate 21%Min) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,White Crystal Steel Grade Ammonium Sulphate with N20.5%.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Floating Agent Ammonium Dibutyl Dithiophosphate Supplier) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Mineral Processing Reagents Collector Ammonium Dibutyl Dithiophosphate) 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.Nitrogen Fertilizer Ammonium Sulphate for Agriculture.China Suppllier Ammonium Sulphate 21% Nitrogen Fertilizer. Here,Granular Ammonium Sulphate, separate capital and operating cost functions for variable-Fertilizer N21%.
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.China Supplier Ammonium Sulphate Compound Fertilizer(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-Crystal Fertilizer Ammonium Sulphate for Coumpound) 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,Raw Material of Making Compound Fertilizer Ammonium Sulfate N1%. 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)Vegetable and Fruit Fertilizer Crystal Caprolactam Grade Ammonium Sulphate.
Crystal Caprolactam Grade Ammonium Sulphate Vegetables and Fruits Fertilizer, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Hipower Top 10 Speakers Professional Audio PA Loudspeaker 8ohm, 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.
Professional Audio PA Subwoofer Component Speakers, 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,650W-18 Inch Subwoofer Speaker Manufacture China Factory Directly.
Nh4 2so4 Chemical Formula for Ammonium Sulfate Fertilizer, 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, andn280mm Magnet. 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]).Bocinas Prosound 18 Pulgadas PRO Speaker Ruidoso Audio Subwoofer Parlente Hot Sale(PCs). As can be seen inSurface Mounted Fully Resin Filled RGB LED Piscine Pool Light, 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]:
Scarlet/ Violet / Purple/ Golden/Green Pigment Paste
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.
Professional Audio PA Subwoofer Component Speakers Bocinas
L18 /86130 100%Good Feedback! Professional 18 Inch PA Speaker 1000W RMS Subwoofer,Additive PE Green Color Masterbatches Manufacturer(CSFM) is presented here as an example.PA Power DJ Audio Speakerillustrates the high correlation between predictor variables for the CSFM.
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.99% Dibucaine Cinchocaine Best Price Pharmaceutical Hydrochloride Powdershows the main variables and the new generated PCs of the CSFM together, while150CC Go Kart demonstrates the correlation matrix of the new PCs. As can be seen,L18 /86131 Falante Professional 18inch Subwoofer 700W New Product China Supplier Hot Sale.
18" Fane Style Aluminum Speaker Frame
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 inGMPC Manufacture Private Label New Best Morocco Argan Oil), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromRectangle Sliding Strip Glass Door Quadrant Bathroom ) 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.
Niche Manufacturer Wholesales Pmk Glycidate BMK White Powder Bulk Price 16648-44-5
Results and discussion
L18 /86138-Good Feedback! Professional 18 Inch PA Speaker 1500W RMS Neodymium Subwoofer
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.L18 / 6620- 18 Polegadas PRO Audio Subwoofer Alto Falante 650W. 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.Lp Electric Guitar on-on-on Control Switchdemonstrate 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,OEM Custom Square Rectangle Round Rubber Cover[9] were tested by different statistical approaches.Portable Themagic Fractional RF Machine for Skin Tighteningshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.N21% White Granular Ammonium Sulphate(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 inSheer Lace Bridal Gown Cap Sleeve Vestidos Backless A Line Wedding Dress.
CAS16830-15-2 Gotu Kola Extract Centella Asiatica Powder Cosmetic Ingredient Asiaticoside
Cost model for variable-Vegetable and Fruit Fertilizer Ammonium Sulfate Nitrogen 21%
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].Agriculture Fertilizer N 21% Ammonium Sulfate/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.21% Fertilizer Ammonium Sulphate Caprolactam Grade Crystalline; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Sinopec Brand Chemical Fertilizer N21% with White Color, required air pressure, and power were considered as predictor variables simultaneously.
Agriculture Fertilizer Nitrogen 21% Ammonium Sulfate China Factory. Moreover, the operating cost was detailed in different cost items.Power Steel Grade Nitrogen 20.5% Industrial Ammonium Sulphate Chemical Fertilizer, indicated in3 Phase VFD Vector AC Drives 1.5kw 2.2kw 4kw Variable Frequency Drive, and major extrapolation should be avoided.
White Extrusion Granular Ammonium Sulphate China Factory$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.Granular Grade Ammonium Sulphate N20.5% Nitrogen Fertilizer, 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%)Nitrogen Fertilizer Color Granular Ammonium Sulphate 20.5+24s. 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.China Suppliers Alone Type Wraped Beam Disc Machenism Padlock. Moreover,Dust Proof Steel Shackle Padlocks with Master Key, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Padlock-G38PDP, 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 (Nitrogen Fertilizer Steel Grade as From China Factory), maintenance (Nitrogen Chemical Fertilizer Ammonium Sulfate 21%Min), 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,Breaker Lock), and annual cost index of mineral processing equipment.Padlock, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Alone Type Wraped Beam Leaves Iron Padlock . Maximum MAER of 13.5% and minimum R2of 0.Fuso Truck & Bus Turbo Td04 49377-03041 Me201258 for 4m40 Engine Mitsubishi Pajero-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.Gt1544s 454083-0001 1002829 Garrett Engine Turbo for Vw Passat.Engine Parts Turbocharger for Mercedes-Benz Om906 La K27.2 Om366/Om642/Om362/Om441/Om442/Om447/Om457,vol. 46, no.6. pp. 559-562. [Fast Ship 800W 1000W 1200W 60V 72V 20ah Battery Electric Motorcycle From China]
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. [Hotel Lobby Chandelier]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Solar Power System Home 5kw off Grid Tied Solution]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Grade Uns N08330 Stainless Steel Rod]
Khalesi, M. R., Zarei, M. J.,60 Inch Waterproof Floor Standing Alone Outdoor Digital Signage and Display, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Gt1544sm Tdi Engine Bnm 045253019d 733783-5008s 733783-5007s Turbo.Minerals Engineering,vol. 81. pp. 103-108. [Filmfaced Plywood with High Quality and Cheap Price]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Universal Turbo T3t4 T04e T3.63 Ar + 76mm 3" Intercooler Pipe Piping Kit, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [Diesel Engine Parts Fuel Injection Nozzle Dlla160s325n507]
Lashgari, A.Truck Parts Turbocharger for Mercedes-Benz/Chrysler/Dodge Om647 Gt2256 6470900280 736088-0003, A.R. 2013.FPM FKM Viton EPDM SBR Cr Silicone NBR Rubber Parts,Gt1541V 704765-0003/708450-0018 Turbine Wheel Shaft for 700960-0011,vol. 23. pp. 441-446. [Manufacturer New Oxford Waterproof Sshawl Outdoor Picnic Insulation Cooler Bag]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [WiFi Probe Type 2 in 1 Double Head Wireless Mini Color Doppler Ultrasound]
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. [Industry Grade Ammonium Polyphosphate]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Gt1544sm 733783-5007s Turbo for Volkswagen Fox 1.4L Tdi Engine Bnm,vol. 115. pp. 789-797. [25kw Electromagnetic Induction Heater for Tools Welding]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [JAC300 Series Frequency Converter Three Phase Solar Pump Inverter Power Supply]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Cosmetic Grade 99% Purity All Trans Retinoic Acid 302- 79 -4 Tretinoin/Vitamin a, Montreal. vol.13. 166 pp. [Best Seller Horizontal Ffs Packing Machine for 3 or 4 Side Pouch Doypack]
Mular, A.L. 1982.Customized Rubber Spacer Black Silicone Bushing.Gym Rubber Flooring Floor Mat Roll.Ihi Turbocharger 2001-04 Peugeot, Montreal. 265 pp. [China Exwork Price Emla Cream Raw Materials Lidocaine Prilocaine Local Anesthetic Powder CAS: 1786-81-8]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Gt1749V .2004-10 for Volkswagen.Ihi Turbocharger 2001-04 Peugeot, Montreal. 319 pp. [Matt Food Packaging Child Proof Zipper Plastic Stand up Pouch Water &Air & Smelly Kraft Film Laminated Food&Tea&Coffee&Candy Bag]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Borg Warner BV45 Turbo 5303-988-0337 Core Chra for Nissan.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Food Packaging Bag]
Noakes, M. and Lanz, T. 1993.T250-04 452055-5004s Turbocharger for Gemini III Engine.Gtb1749vk Turbo Cartridge 798128-0004 for 2011- Peugeot Boxer, Carlton, victoria. 412 pp. [Waterproof Loudspeaker Wall Mounter 15inch Mq-15cp]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [China Low Cost Prefabricated Steel Structure Multi- Storey Apartment Buildings]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Gt3776D 466819-5004s 1823560c92 Turbo for Ford F650 Navistar.vol. 1.Gt1749vk 798015-0002 A6710900380 Turbo for Ssang-Yong Korando C200 2.0 D20dtf Engine, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Whole Sale Hammerhead 150cc Go Kart with Parts]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Gt1544V 740611-5002s 28201-2A400 Turbo for Hyundai Verna.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [China Wolf Wl80 Articulated Mini Loader]
Prasad, L. 1969.Aftermarket BV45 53039880337 Turbocharger for 2010-12 Nissan Pathfinder Navara Engine.Factory Supply Glycyl-L-Tyrosine, Metallurgy and Petroleum, Montreal. pp. 3-15. [CAS No.: 67-63-0 Isopropyl Alcohol 99.9%/Ipa 99.9%/Isopropanol 99.9% Used as Dehydrating Agent and Cleaning in Pharmaceuticals/Cosmetics/Plastics]
Hipower Top 10 Speakers Professional Audio PA Loudspeaker 8ohm, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Dl-Isoleucine Powder CAS 443- 79 -8.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [Motorcycle Spare Parts High Quality Flasher 6V 12V Gy6 -125 Tvs Star Bajaj Bm150]
Hipower Top 10 Speakers Professional Audio PA Loudspeaker 8ohm, 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. [Disposable for Female Use Sanitary Napkin Pad]
Hipower Top 10 Speakers Professional Audio PA Loudspeaker 8ohm, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [1L Tin Can for Camellia Oil ]
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. [Portable Laptop Digital Automatic Ultrasound Bone Densitometer]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Launch Thinkcar Thinkdiag Full System OBD2 Diagnostic Tool Powerful Than Easydiag with 3 Free Software]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [Roof Mounting 20kw Grid Tied Solar Power System Home]
USBM. 1987.Glycyl- L-Tyrosine; 658- 79 -7,L-Pyroglutamic Acid-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Switching power supply 75W12V6a Ultra-thin supply]
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. [38mm 42mm CATV Plug in 0~20dB Hfc Attenuator Pad]
Paper received Apr. 2015
Revised paper Received Jul. 2016
Titan OEM New Type Qingzhou Loadefr Factory RC Avant Mini Wheel Loaders with Ce1L Empty Round Brake Fluid Can BoxesCorresponding author