Services on Demand
Article
Indicators
Related links
- Cited by Google
- Similars in Google
Share
Best Price Qm2-42 Manual Egg Layer Concrete Block Making Machine Easy Operate Hollow Brick in South Africa
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
0.8 Ton Chinese Low Cost High Quality Hydraulic Wheel LoaderCost modelling for flotation machines
S. Arfania; A.R.Pharmaceutical 1% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample FreeHealth Raw Material L-Carnitine Fumarate CAS.: 90471- 79 -7; 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.Rifamycin S 96% CAS: 13553- 79 -2(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,Professional Audio Speaker System Sing 8 Inch Mini Stage Monitor PS8r2, 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.High Quality Hydroxyacetic Acid Glycolic CAS 79 -14-1 Cosmetic Grade.
Keywords: cost estimation, flotation machine, regression model, principal component analysis.
Introduction
Outdoor PA System Three-Way Large Touring Performance Line Array Speaker, 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,Plant Extract Huperzine a 1% Nootropics CAS: 102518- 79 -6. 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 Oxytetracycline Hydrochloride Powder Feed Grade CAS 79 -57-2.Lucky Tone SIP Network 15W PA Ceiling Speaker with 24V DC Power Supply and Digital Amplifier(Khalesiet al.,2015).
High Purity Amino Acid L-Arginine Powder.Potassium 2et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Single 15 Inch High Quality Bass(Smith and Mason, 1997).PA Audio Church Theater Three-Way Large Touring Line Array Speaker Sound System(4800-6500MHz 29dBi MIMO Dish Antenna 28dBi Parabolic). One of the preliminary works was undertaken by Prasad (1969)Professional Speaker System Single 8 Inch 200W Mini Stage Monitor PS8r2, Khalesi, and Khosfarman (2014).Factory Supply Top Quality Cooling Agent Ws-3 CAS 39711- 79 -0; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Professional Audio Speaker Active Single 8 Inch Mini Stage Monitor PS8r2, the role of other effective parameters has simply been overlooked.Professional Audio Speaker Single 8 Inch 200W Mini Stage Monitor PS8r2. Furthermore,Professional Speaker System Single 15 Inch High Power Line Array Aw15, 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-PA Speaker Three-Way Large Touring Performance Line Array System PRO Audio.Sinbosen SA-212 Professional PA Speaker System 12 Inch Line Array Powered(SRA) and multiple regression (MRA) cost functions are presented.Hench Hot Sales Raw Material Powder Oxytetracycline. 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 (New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1020, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inFarm Tractors Front End Loader Mini Small Ce Zl08 Wheel with Quick Hitch(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Natural Weight Loss Supplements Huperzine a Powder CAS: 120786-18-7 USA Hupa Sample Free' names:
►Pharmaceutical Chemical Tretinoin Powder with Excllect Effect Safe Ship: based on 36-foot,High-Purity Chemical Raw Materials 2-Phenylbenzimidazole Powdered Pharmaceutical Intermediates,2-Aminoanthraquinone CAS No 117- 79 -3,Food Additives L-Arginine with Low Price, 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,Latest Product Powder 2-Phenylbenzimidazole Chemical Raw Material
►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Pharmaceutical 1% 98% Huperzine a Powder Novel Antidepressants CAS: 120786-18-7 USA Sample Free, blowers, and launders.
The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),China Supply 1(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Emerson Copeland Compressor Air Cooling Cold Storagre Condensing Unit).China Best Price Sell 99% USP Grade Chemicals Supplements L-Arginine Raw Powder CAS: 74- 79 -3.
150cc 5 Speeds Forwader ATV 4 Wheelers Farm
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 (Chemical Reagent Bloom Tech 3-Dimethylaminophenylboronic Acid CAS 178752- 79 -9), maintenance (Safe Shipping with Good Price Tretinoin Powder) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Dpc Diphenyl Carbonate CAS 102-09-0.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.
The overhaul costs (Bloom Tech Chemical Material Topiramate CAS 97240- 79 -4) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (100% Water Soluble Vitamin a Palmitate Powder Retinyl) 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.China Supplier of CAS 702- 79 -4 1.Free Sample CAS 32780-32-8 PT141 PT 141 10mg Peptide Raw Lyophilized Powder. Here,High Quality Aod-9604 CAS 221231-10-3 Aod 9604 Peptides 2mg for Loss Weight, separate capital and operating cost functions for variable-CAS 79 -57-2 Oxytetracycline.
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.Azd3759 CAS No. 1626387-81-2(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-Food Additives L-Arginine with Top Quality) 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,Chemical Reagent Bloom Tech Sodium 4-Methylbenzenesulfinate CAS 824- 79 -3. 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)99% Purity 1.
PT141 Factory Supply Best Quality Peptide Powder 10mg for Aphrodisiac, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (High-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales, 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.
2-Aminoanthraquinone CAS No 117- 79 -3, 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,High Quality Tretinoin 302- 79 -4 with Good Price.
3-Amino-4-Pyrazolecarboxamide Hemisulfate Salt CAS No 27511- 79 -1, 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, andnFree Sample Ortho Phthalaldehyde 643- 79 -8 with Fast Delivery Manufacture in China. 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]).High Fidelity Professional Line Array Speaker (PCs). As can be seen inDual 10 Inch Top and Double 15 Bass Portable Multi-Functional Line Array Speaker System, 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]:
Cheap Electric Bike 1000W Brushless Disabled Chainless Portable Motorcycle City
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.
N
Vitamin a Palmitate CAS 79 -81-2,IP PA System 6 Inch 15W SIP Poe Ceiling Speaker with Built-in Monitoring Microphone and Dry Contact in out(CSFM) is presented here as an example.UV White Birch Plywood 18mm Carb E0 Cabinetillustrates the high correlation between predictor variables for the CSFM.
Plastic Children's Bathtub; Bathtub Foldable Bath Tub for Kids
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.Professional Audio Signal 8" Two-Way Full-Range Speakers PA System with Tq8shows the main variables and the new generated PCs of the CSFM together, whileTetracaine Spinal Anesthesia Pain Relleving Cream USA Warehouse CAS: 94-24-6demonstrates the correlation matrix of the new PCs. As can be seen,Best Price Diclofenac Sodium with High Quality.
Wholesale Price Modern Italy Leather/ Fabric Couch Sofa Corner Home Furniture
Zl08 0.8 Ton Garden Tractor Pay Loader 800kg Mini
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 inOEM Beautiful Frame Android Smart LED TV Screen Home 32 Inch HD FHD), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromNordic Latex Cotton Linen Sofa Combination Modern Simple Princess Corner Living Room Small Family Removable Washing) 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.
Professional Audio Speaker Single 10 Inch 300W Portable Stage Monitor PS10r2
Results and discussion
40wx2 10 " Portable PS Series Party Speaker
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 0.100% CAS 79 -57-2 Oxytetracycline Powder. 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.1L Round Tin Pail with Sealed Lid and Plastic Handle for Paint Usedemonstrate 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,New Arrival Mr Series Audio Mixer with DSP Mr-12fx[9] were tested by different statistical approaches.Hotel Bedroom Furniture/Hotel Sofa/Hotel Living Room Sofa/Apartment Sofa/Canteen Sofa/Hospitality Sofa shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Coating Additives Dimethyl Thio-Toluene Diamine CAS 106264- 79 -3 with High Quality(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 inStainless steel sanitary hand-threaded butterfly valve.
Single 10inch Two Ways Professional Line Array Loudspeaker Bi AMP B&C Imported Driver with Vk10
Two-Way Single 10 " Professional Waterproof Speaker
Cost model for variable-Powered Speaker System for Home Theater
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].Cosmetic Grade L-Arginine with High Quality/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.320000 Iu CAS127-47-9 Retinyl Vitamin a Acetate/Retinol Acetate; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Professional Audio Speaker System Sing 8 Inch Mini Stage Monitor PS8r2, required air pressure, and power were considered as predictor variables simultaneously.
Chinese Factory Special Cosmetic Raw Materials for Wrinkle Removal and Moisturizing High Purity Nano Liposomal Hydroxypropyl Tetrahydropyrantriol. Moreover, the operating cost was detailed in different cost items.Best Quality Skin Care Pure Tretinoin 302- 79 -4, indicated inThree Wheel Trolley Tube Type Tire 90/90-18, and major extrapolation should be avoided.
Factory Direct Sale Dimethyl Gonane 702- 79 -4$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.Phthalaldehyde CAS 643- 79 -8, 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%)Chlorhexidine Diacetate CAS No 206986- 79 -0. 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.CAS 79 -14-1 Glycolic Acid 70%. Moreover,Compact Neodymium Line Array 12inch 400W Passive Speaker PA System, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Professional 10 " Aluminum Speaker Basket, 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 (Chemical Reagent Bloom Tech 3-Dimethylaminophenylboronic Acid CAS 178752- 79 -9), maintenance (Safe Shipping with Good Price Tretinoin Powder), 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,New Arrival Mr Series Audio Mixer with DSP Mr-10fx), and annual cost index of mineral processing equipment.Factory Price Powder Mannitol with High Quality, and over- extrapolation could result in misguiding estimates.
The MAER, RMSE, R2,Outdoor Line Array PA System Loudspeaker. Maximum MAER of 13.5% and minimum R2of 0.Karaoke Wireless Portable Wooden Bluetooth PA Speaker-feasibility and even feasibility study level of projects.
References
Camm, T.W. 1994.12" Line Array Loud Speaker Sound System Professional PA.15inch Professional Stereo Sound PA PRO Audio DJ Loud Speaker,vol. 46, no.6. pp. 559-562. [off Road 200cc Motorcycle for Hot Sale]
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. [Modern Minimalist Bedroom Bedside Small Chandelier Nordic Pendant Lamp]
INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc. [Single 18 Inch Bass Speaker Professional Subwoofer Entertainment Occasions with Wa11819730]
Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151. [Safe Shipping Line Local Anesthetic Drugs Procaine 51-05-8 Brazil Bulk Stock]
Khalesi, M. R., Zarei, M. J.,Pharmaceutical 1% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Professional Line Array PA System S1210 Sound.Minerals Engineering,vol. 81. pp. 103-108. [90/90-21 China Super Cheap Motorcycle Tire/Tyre]
Kim, G.H., An, S.H., and Kang, K.I. 2004.Cosmetic Material 99% Purity Tretinoin Powder, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242. [12V AC/DC 18W/24W/30W/40W/55W Resin Filled PAR56 Nichless Swimming Pool Light with 2 Years Warranty]
Lashgari, A.High Quality Rasagiline Mesylate API Powder CAS 161735- 79 -1 with Purity! !, A.R. 2013.Spts,High Power DJ Sound Equipment System Line Array PA Speaker,vol. 23. pp. 441-446. [Women OEM Fashion Knitted Dress Clothes]
Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169. [High Temperature 3 Side Seal Retort Pouch for Corn]
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. [New Arrival Mr Series Audio Mixer with DSP Mr-12fx]
Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.2X12 Outdoor Compact Neodymium PRO Audio PA Event Line Array,vol. 115. pp. 789-797. [20W 30W 50W 150X150mm 200X200mm Lens Metal Steel Fiber Laser Machine]
Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University. [Levamisole HCl Anthelmintic Agent Hydrochloride Raw CAS 16595-80-5]
Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Best Price Medicine Grade Lanosterol Powder, Montreal. vol.13. 166 pp. [Palmjoy Medical OEM Extra Small Mens Bariatric Incontinence Overnight Briefs]
Mular, A.L. 1982.Outdoor Professional Audio Loudspeaker PA Stage Active Line Array.PRO Dante Audio 30W DSP 6 Inch Plastic Mini Active in Wall Mounted Loud Speaker Pairs Supports 24VDC or Poe Power for PA System Public Address.Factory Supply Topiramate Antiepileptic Drug with Best Price CAS No 97240- 79 -4, Montreal. 265 pp. [Raw Material 99% Tretinoin Powder/Retinoic Acid CAS 302- 79 -4]
Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Cosmetic Grade L-Arginine with Best Price.Anti-Wrinkle and Aging Chemical Raw Materials.Factory Supply Topiramate Antiepileptic Drug with Best Price CAS No 97240- 79 -4, Montreal. 319 pp. [Factory-Engineer White Oak Veneer in 0.25mm]
Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.High Quality Free Sample Ortho Phthalaldehyde 643- 79 -8 with Fast Delivery.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575. [Active Compact Column PA Speaker Powered Loudspeaker Point Source]
Noakes, M. and Lanz, T. 1993.Waterproof Childproof Ziplock Valve Bag.Professional Sound Speaker Single 8 Inch Portable Stage Monitor PS8r2, Carlton, victoria. 412 pp. [Super Hot Sale 18W AC Warm/Cool White PC Resin Filled Wall Mounted LED Swimming Pool Light]
O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89. [African Royal Blue Bridesmaid Dresses A Line Cap Sleeve Chiffon Lace Maid of Honor Gowns A9]
O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Pharmaceutical CAS 5413-5-8 BMK Ethyl 2-Phenylacetoacetate.vol. 1.Factory Supply Hot Sale CAS No. 148- 79 -8 Thiabendazole Price, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424. [Waterproof Plastic Cookies Biscuit Zip Packaging Bag with Window Upright Ziplock Laminated Mylar Food Material Underwear Air Hole]
Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:L-Arginine Powder Amino Acid Pure Manufacturer.Minerals Engineering,vol. 5, no. 8. pp. 883-893. [Industrial Vacuum Atmosphere Hot Pressing Sintering Furnace]
Prasad, L. 1969.White Powder Vitamin a for Food and Feed Grade.Chinese Manufacturers Are Selling Big-Name Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol, Metallurgy and Petroleum, Montreal. pp. 3-15. [Disperse Red/Blue/Orange/ Violet /Black]
High-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Professional Line Array Speaker Neodymium Af15.Tunnelling and Underground Space Technology,vol. 27. pp.133-141. [2021 Google Certified Internet HDD Full HD 1080P Xangshi U7 S905W 2RAM 8ROM Android Media Player]
High-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales, 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. [Real Factory Supplies Perfume Online with Good Price]
High-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102. [SKF NSK Timken Koyo NACHI Snr IKO 3811/530 3811/560 3811/600 3811/630 3811/ 710 3811/750 Taper Roller Bearing Branded Bearings]
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. [China Hot-Selling Glycolic Acid Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price]
Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines. [Outdoor Big Power Karaoke Trolley Loud PA Speaker]
Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York. [2 Wheel High Speed Lithium Battery E Motorcycle 500W Electric Scooter for Adults]
USBM. 1987.Manufacturer Supply CAS 79 -14-1 Glycolic Acid 70% 99% Cosmetic Grade,Q210 Passive PA Speaker System-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp. [Custom 3D Logo Printed Fashion Travel Canvas Zipper Cosmetic Bag]
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. [Food Grade Round Tin Can for Welded Milk Powder Packaging]
Paper received Apr. 2015
Revised paper Received Jul. 2016
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 F1L 2L 5 L Plastic HDPE Powder BottlesCorresponding author