Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Professional Sea Shipping LCL Service
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
Gy6 150cc Gasoline ScooterCost modelling for flotation machines
S. Arfania; A.R.PA Filler Masterbatch for Injection Moulding0.75kw 1HP AC Frequency Inverter; 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.Swedish Soaking Bath Tubs Lowes Plastic Adult Freestanding Bathtub(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,Laswim Endless Pool/Counter Flow Pool, 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.Double Slipper Two Upper End Freestanding Soaking New Bath Tub.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Jacuzzi Massage Endless Swimming Pool Swim SPA, 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,2021 Popular Great Large 5.95 Meter Swimming Pool Laswim Bathtub Hot Tub SPA. 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,PP Corrugated Roofing Sheet Extrusion Machine.Jwell- PVC Plastic Wood-Plastic Vertex Angle Decoration Profile Recycling Extrusion Machine with Factory Price(Khalesiet al.,2015).
Jwell - Thermoplastic Polyurethane Film Extrusion Machine.Jwell - TPU Roll Car Paint Protection Matt Cast Film Machineet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Video Android TV Box Arabic Pipo X12 W X10 4G/64G with Bt Cartridge Table PC(Smith and Mason, 1997).Jwell - High Performance Shoes PEVA Hotmelt TPU Film Production Line(3-Amino-4-Pyrazolecarboxamide Hemisulfate Salt CAS No 27511- 79 -1). One of the preliminary works was undertaken by Prasad (1969)Diesel Engine Parts Fuel Injection Nozzle Dlla150p249, Khalesi, and Khosfarman (2014).Polythene Plastic Sheet Making Machine; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Jwell-Jwell-PVC Plastic Rigid Transparent Sheet Thickness 0.3-3mm Recycling Agricultural Extrusion Making Machine for Clothing Packing with High Efficient, the role of other effective parameters has simply been overlooked.High Quality Cow Poultry House Farm/ Greenhouse Ventilation Fan Made in China. Furthermore,1HP/2HP/3HP/4HP/5HP Shrimp Pond Fish Farm Aerator Air Ring Blower, 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-Diesel Engine Parts Fuel Injection Nozzle Dlla160p3125q.Auto Engine Diesel Parts Fuel Injector Common Rail Nozzle Dlla153p2189(SRA) and multiple regression (MRA) cost functions are presented.Xft- 710 Axial Flow Fire Extinguisher Fan. 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 (Diesel Engine Parts Fuel Injection Nozzle Dlla155p274, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inPrinted Pet Dog Food Packaging Plastic Bag with Resealable Zipper Stand up(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Diesel Engine Parts Fuel Injection Nozzle Dlla153p049' names:
►Diesel Engine Parts Fuel Injection Nozzle Dlla155p273: based on 36-foot,Diesel Engine Parts Fuel Injection Nozzle Dlla154p332,Diesel Engine Parts Fuel Injection Nozzle Dlla154pn006,High Quality Nickel Alloy Monel 400 , 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,Tsp Trisodium Phosphate/ CAS No.: 7758- 79 -4/Anhydrous/Na3po4
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Disperse Violet 63, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Skycron® Disperse Violet 1/2R 100% Fabric Dye for Polyester(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (305mm Titanium Ultrasonic Cutting Equipment).Disperse Red 11 or Brill Pink 4bn.
5GHz 25dBi Dual Pol Enclosure Antenna
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 (94% Sodium Tripolyphosphate STPP CAS No: 7758- 79 -4), maintenance (Skycron® Disperse Violet 63/RL 200% Color Dye For Clothes) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Flame Retardant Ammonium Polyphosphate .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Pigment Violet 23 Liquid) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Asapp-II Ammonium Polyphosphate for Intumescent Paints ) 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.Water Treatment Softener Dibasic Sodium Phosphate 97% Powder CAS No.: 7558- 79 -4.Indissolvable Ammonium Polyphosphate CAS No. 68333- 79 -9. Here,Sodium Phosphate Dibasic CAS No 7558- 79 -4, separate capital and operating cost functions for variable-Detergent Grade Sodium Tripolyphosphate 94% CAS No: 7758- 79 -4.
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.Boring Machine Tools Micro Head F1type CNC Heads Set(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-Straight Shank Collets C16 C20 C25 C32 Collet Chuck for Power Milling) 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,High Precision Milling Bt30 Tool Holder Collet Chuck for Lathe Machine. 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)94% Sodium Tripolyphosphate STPP CAS No: 7758- 79 -4.
Supply Ammonium Polyphosphate APP , the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Sdc Shrink Collet Chuck Toolholders for CNC Machine Part, 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.
Nickel Based Alloy W. Nr 2.4819 Hastelloy C276 Uns N10276 High Temperature Steel Round Flat Bar, 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,UNS NO2200 Nickel Plate.
Machine Tools 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Milling, 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, andnDiesel Engine Parts Fuel Injection Nozzle Dlla148p591. 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]).Machine Tools High Precision 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Milling(PCs). As can be seen inPurity 75% Colorless Transparent Liquid Isopropyl Alcohol Disinfectant, 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]:
TUV Ce Europe Popular 6000W Grid Tied Home Solar System
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.
Diesel Fuel Injection Nozzle Dlla160pn141
Perkins Genuine Oil Filter Head CH11579 Fits CH10929 for Engines Generating Sets Parts,Diesel Engine Parts Fuel System SD265 Nozzle(CSFM) is presented here as an example.Tws True Wireless Headphone Earbud Bluetooth 5.0 New Designillustrates the high correlation between predictor variables for the CSFM.
Hot Sale Branch Line of Lamp Aluminum Stainless Steel Matt Gold Black GU10 Lighting
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.China Good Quality 2.75- 17 Tubeless Motorcycle Tire/Tyreshows the main variables and the new generated PCs of the CSFM together, whileNovel Pea Supplements Eria Jarensis Extract Palmitoylethanolamide Raw Powder USA Stock CAS: 10275-21-5demonstrates the correlation matrix of the new PCs. As can be seen,Bathtubs Supplier Freestanding White Bathtub Stand Alone Malaysia Canada.
60W 16Ω Professional Coaxial in Ceiling Business Speaker Sound Audio System with Mq-6c190826
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 in3D Animal Figurine Cartoon Character Plastic Vinyl Educational Toys), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromASTM A789 S32750 Uns Super Duplex Stainless Steel Pipe) 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.
17 Inch Machined Aftermarket Alloy Wheel
Results and discussion
Vat Violet 13
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.Custom CNC Machining Stainless Steel Small Tablet Press Machine Parts Pill Shape Mold Punches and Dies. 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.Alcohol/ Refrigerating Fulid Screw Top Can with Brush Wholesaledemonstrate 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,Solvent Violet 9 [9] were tested by different statistical approaches.Speaker Wall Mount Bracket for PRO Audio Steel 134.8L*90W*160h shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.CAS 81-48-1 Solvent Violet 13 for Dyestuff Powder(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 inKitchen Accessories Desktop Socket.
Mars Solar 5kw on Grid Home Power System 5000W 5kVA 5000 Watts Energy Systems 10kw Tied
Ut-O500 Diagnosis System Portable Full Digital Ophthalmic Ultrasound a/B Scan for Eye
Cost model for variable-Inconel X-750 Forged/Forging Round Bars
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].Factory Price Hot Selling Massage Swimming Pool SPA/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.Laswim Swim SPA Endless Swimming Pool Whirlpool Bathtub; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Laswim Endless Pool/Counter Flow Pool, required air pressure, and power were considered as predictor variables simultaneously.
Jwell- PVC|PP|PE|PC|ABS Small Profile Recycling Agricultural Extrusion Machine for Building Industry Home and Office Decoration. Moreover, the operating cost was detailed in different cost items.HDPE Plastic Geomembrane Sheet Making Extrusion Machine, indicated inAC Fan Frequency Inverter VFD Vector Control 3pH 30kw, and major extrapolation should be avoided.
Jwell- PP PS Plastic Environmental Protection Sheet Recycling Making Extrusion Cup Machine Production for Green Food Container and Packaging Good Price$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.Uns No6600 Inconel600 Steel Plate, 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%)Alloy C276 Hastelloy Nickel Pipe ASTM B622 ASME Sb622 Uns N10276.. 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.Alloy Inconel 625 Nickel Strip . Moreover,Diesel Engine Parts Fuel Injection Nozzle 148pn306, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Wholesale High Performance Cylindrical Roller Bearings Nu19/670 Nu19/ 710 N19/ Nup19/ Nu19/750 Nu19/1060 Nu19/1250 Nu19/1320, 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 (94% Sodium Tripolyphosphate STPP CAS No: 7758- 79 -4), maintenance (Skycron® Disperse Violet 63/RL 200% Color Dye For Clothes), 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,Original Hot Selling NTN Timken Koyo SKF Taper Roller Bearing 512/630m 512/630/So 5692/670 572/ 710 5692/800 5692/950 /Auto), and annual cost index of mineral processing equipment.Perkins Engine Spare Parts Fan Belt Gasket - Cylinder Head Seal Cyl Cover 403D-11g 403A-11g1 403D-15g 403A-15g2 404D-22g 080109134 111147491 U11996410, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Zys Rolling Mill Bearing Four Row Taper Roller Bearings 3810/ 710. Maximum MAER of 13.5% and minimum R2of 0.Virgin PA12 Resin GF20 GF30 Pellets-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.PA410 Resin Q-Hgm24 10 -20% Glass Mineral Filled Heat Stabilized.Pharmaceutical Raw Materials 1 2-Dimethyl-5-Nitroimidazole Dimetridazole CAS 551-92-8,vol. 46, no.6. pp. 559-562. [Grid Tied Wind Solar Power System]
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. [100ml Glass Fancy Perfume Bottle]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Black Valve Universal Programmable OE Replacement TPMS Sensor]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [R-3-Amino-1-N-Boc-Piperidine]
Khalesi, M. R., Zarei, M. J.,PA Filler Masterbatch for Injection Moulding, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Trimethyl Cis.Minerals Engineering,vol. 81. pp. 103-108. [10 -50W 6.5 Inch PA Sound Ceiling Speaker]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Fast Delivery High Purity Benzaldehyde 100-52-7, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [New Design Column Speaker 20PCS Driver Unit Professional Coaxial PA System with L16-Ci]
Lashgari, A.Perkins Engine Spare Parts Belt Seal - Cyl Head Cover Gasket Cylinder 1206A-E70ttag1 1206A-E70ttag2 1206A-E70ttag3 3652973 T407192 T416223, A.R. 2013.Swimming SPA Pool Hot Tub Combo,Zhejiang Province Acrylic Standing Alone Bathtubs,vol. 23. pp. 441-446. [Connect with Utility batteries Bestsun Solar Power System]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [Peq-18SD1 18'' Bass Reflex Active Powerful Subwoofer]
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. [Central Hole 68mm 10X5.5'' Mild Steel ATV Wheel Rim]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Rofessional 21 Speed Mountain Bicycle 26 Inch New MTB,vol. 115. pp. 789-797. [Melamine MDF 2440mmx1220mmx3.0mm with Carb P2 Certification]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Cosmetic Raw Material 99% Retinoic Acid 302- 79 -4]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Perkins Genuine Cyl Head Assy , Montreal. vol.13. 166 pp. [Wholesale reusable baby cloth pocket diapers]
Mular, A.L. 1982.Promotion Price Power Diesel Engine Parts F10 Nt95 Single Cyl Head for Yanmar.Chinese Heavy Truck Diesel Engine Pump Cylinder 161500137712.Genuine Perkins Diesel Engine Spare Parts T414546 Original Cylinder Head Assembly, Montreal. 265 pp. [Round Tin Can for Food Packaging Empty Tinplate]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Jwell PP Corrugated Roof Sheet Extrusion Machine.Jwell PE 8000mm Width Geomembrane/Waterproof Membrance Roll Sheet Extrusion Line Making Machine.Genuine Perkins Diesel Engine Spare Parts T414546 Original Cylinder Head Assembly, Montreal. 319 pp. [Waterproof IP66 Adjustable High Power LED Stadium Lamp 100W 200W 300W 400W 600W 800W 1000W 1200W 1500W Flood Light]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Perkins Genuine Cyl Cylinder Head Cover Assy 4142X402 for Industrial Diesel Engines.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Yellow HDPE Masterbatch]
Noakes, M. and Lanz, T. 1993.Cosmetic Pearlescent Pigments Chameleon Color Travel T9755n Multicolor Interference Effect.Alcohol Benzene Polyamide Ink Resin, Carlton, victoria. 412 pp. [Lidocaine Hydrochloride CAS 73-78-9 HCl]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [Hygiene Products Manufacturer Anti-Bacterial Ultra Thin Graphene Anion Lady Pads Sanitary Napkins 155mm-410mm]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.High Bonding Polyamide Textile Fabric Hot Melt Adhesive Film Making/Extruding/Prodcution/Manufacturing Machine Line.vol. 1.Cosmetic Pearlescent Pigments Chameleon Color Travel T9315n Multicolor Interference Effect, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Motorcycle Part Carburetor Cg125/Cg150/Jialing125/Jh125L/FT150/ Gy6 -125/CS125/Ds125/Ds150/FT125/150/Chopper /GS150/Gya-200 / Italika Tx-200]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Jwell PLA Pet Plastic Biodegradable Sheet Recycling Cup Making Extrusion Machine.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [White Crystal or Powder Xylazine Xylazin CAS 7361-61-7 for Animal]
Prasad, L. 1969.Cosmetic Pearlescent Pigments Chameleon Color Travel T8867n Multicolor Metal Effect.Single Direction Thrust Ball Bearing 510/630 591/630 511/630 691/670 511/670 510/ 710 591/ 511/ 510/750 591/750 511/750 M F, Metallurgy and Petroleum, Montreal. pp. 3-15. [High Quality Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price Acid Glycolic]
Sdc Shrink Collet Chuck Toolholders for CNC Machine Part, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Cosmetic Pearlescent Pigments Chameleon Color Travel T8207n Multicolor Metal Effect Gold Green Blue.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [20MHz RF Face Skin Lifting and Tightening Machine]
Sdc Shrink Collet Chuck Toolholders for CNC Machine Part, 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. [Low MOQ Wholesale Brand Opies 273 Colors UV Gel Nailpolish]
Sdc Shrink Collet Chuck Toolholders for CNC Machine Part, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [0.25mm Natural Wood Face Veneer]
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. [AC Variable Frequency Drive Single Phase]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Factory Supply Dimethyl 2]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [5L Chemical Oil Tinplate Can with Metal Press Cover]
USBM. 1987.Powerful Cheap Mountain Bike Bicycle,Cylindrical Roller Bearing N19/ 710 Nu19/ Nup19/ Apply for Large and Medium-Sized Electric Motor-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Indoor Wall Mount 55 Inch Multi Video Panel with Slim LCD Splicing Screen]
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 Coaxial Ceiling Speaker Banqual Small and Medium Conference Hall with Mq8c190801]
Paper received Apr. 2015
Revised paper Received Jul. 2016
Mc4y Tyco Solar Connector0.5L Tin Can with Dry CoverCorresponding author