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vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
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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

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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.Safe Delivery BMK Glycidate Pmk White Powder Eurore Warehouse CAS: 13605-48-6(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,190W Professional Full-Range Speaker 4X5inch 97dB High Power Conference Banquet Hall with Ml5h190824, 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.Professional All Weather Water-Proof Indoor Outdoor 4inch Speaker.

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


Introduction

Birch Plywood 2-Way Crossover Passive Loudspeaker , 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,Srx715 High Quality Neodymium PRO Audio. 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,Kf760 Line Array System for Outdoor Concert.4inch Outdoor Use Full Range for Public System Wall-Mounted Speaker(Khalesiet al.,2015).

231c Dual 31-Banddigital Graphic Equalizer/Limiter.China Top Company Supply 3-Bromopropyne CAS 106 96 7 with Best Priceet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for E-Bike / Electric Scooter /Electric Moped 60V/72V 20ah 800W 1kw 2kw(Smith and Mason, 1997).Active 5 Inch Mini Line Array Speaker+Concert Sound +Wedding Party System(Interior Decorative Woven Veneer Customized Style). One of the preliminary works was undertaken by Prasad (1969)Hot Vtx Series V25 Dual 15 Inch Three Way Speaker Line Array Speaker/Professional Audio, Khalesi, and Khosfarman (2014).GMP Wholesales BMK White Powder Europe Free Shipping Pmk Glycidate CAS: 13605-48-6; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,China Hot Sale Banana Ripening Ethephon 90%Tc with Wholesale Price, the role of other effective parameters has simply been overlooked.Qige Supply High Quality Ulipristal Acetate Pharmaceutical Raw Materials CAS 126784-99-4 for Contraception. Furthermore,Safe Shipping Sarms Powder ACP-105, 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-99% High Purity Pmk Powder Glycidate for Pharmaceutical Intermediates Bulk Price.Manufacturer Supply Cosmetic Raw Material 98%-102% Tretinoin (SRA) and multiple regression (MRA) cost functions are presented.Shiny Fenacetin Crystal and Non 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 (Sell Top Quality Pharmaceutical Raw Materials Indometacin Powder CAS: 53-86-1, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inSolvent Violet 59 (InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Local Anesthesia Drugs Raw Material Lidocaine White Powder China Top Chemical Supplier CAS 137-58-6' names:

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The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),High Security Door Peephole Eyes Viewer DV3828b (CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Sea Shipping FCL Freight Forwarder From China to Tokyo Japan Professional Fast Reliable Logistics Services).Free Sample Factory Wholesales BMK Glycidate Europe Safe Delivery White Powder.

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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 (Professional Column Speaker Line Array Full Range Loudspeaker Multi-Function L3), maintenance (Clear Colorless Liquid Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Delivery) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,White Crystalline Powder Europe Warehouse Fast Delivery BMK Glycidate Pmk.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Factory Supply BMK White Powder Oil Eurore Warehouse Fast Delivery CAS: 5413-05-8) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Methyl 2-Bromovalerate CAS 19129-92-1 with Safety Delivery) 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.Factory Price Diethyl 2.Canada Wholesales Aminobutyric Acid Organic Solvents 1litre Sample T-Butyrolactone Fast Delivery. Here,Compact Two-Way 4'' 6'' 8'' 100V/16-Ohm Loudspeaker with Multi-Tap Transformer, separate capital and operating cost functions for variable-Factory Supply Dimethyl 2.

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.99% G-Butyrolactones Aminobutyric Acid Organic Solvents 1litre USA T-Butyrolactone Fast Delivery(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-Overseas Warehouse Fast Delivery Organic Chemicals ) 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,China Ethyl 2-Bromovalerate Liquid CAS 615-83-8. 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)Supply Procaine Hydrochloride China Top Factory Supplier Base Manufacturer Aoks.

Factory Supply Ethyl Valerate CAS 539-82-2, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Organic Chemicals Pharmaceutical Intermediate , 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.

Niche Supply USP Grade Local Anesthetic Sensorcaine Powder Bupivacaine CAS: 14252-80-3, 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,4'' Installation Professional Waterproof Speaker.

Professsional Audio Professional Line Array Musical Instrument System, analysis of residuals, tests of MAER values and evaluation of R2were conducted. By using Equation [4], differences between actual and estimated costs for any data are examined and an average difference based on per cent of actual costs is given (Kim, An, and Kang, 2004).

whereCeis the estimated cost,Cathe actual cost, andnVera12 Single 12" The Most Economical Line Array Sound System. 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]).180W Professional Speaker Coaxial Single 8" Two-Way Surround PC820(PCs). As can be seen inHot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines, 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]:

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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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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.Factory Supply Diclofenac Sodium Powdershows the main variables and the new generated PCs of the CSFM together, whileChina Direct Supply CAS No.: 63428-84-2 Polyamide Resin for Untreated Filmdemonstrates the correlation matrix of the new PCs. As can be seen,High Quality 8'' Coaxial Audio Speaker for Long Throw Distance.

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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 inYishan 180HP mini hydraulic dozer TY180 with Komatsu technology), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromSpeaker Wall Bracket White/Black ) 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.Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801. 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.China Suppliers Alone Type Wraped Beam Disc Machenism Padlockdemonstrate 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,Professional Coaxial Ceiling Speaker Banqual Small and Medium Conference Hall with Mq8c190801[9] were tested by different statistical approaches.Vat Violet 13shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Waterproof Loudspeaker Wall Mounter 8inch Lt208/Lt208t(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 inGood Quality 15W 85V-265V 6500K A70 12V DC LED Bulb E27.

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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].All-Weather Compact 2-Way Coaxial Loudspeaker with 15" Lf/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.Steel PRO Audio Speaker Back Plate ; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,190W Professional Full-Range Speaker 4X5inch 97dB High Power Conference Banquet Hall with Ml5h190824, required air pressure, and power were considered as predictor variables simultaneously.

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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.Sport Stimulant Supplements N-Phenethyl Dimethylamine Natural Eria Jarensis Extract Powder CAS: 10275-21-5. Moreover,Compact Two-Way 8''inch 100V/16-Ohm Loudspeaker with Multi-Tap Transformer, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Speaker PS10, 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 (Professional Column Speaker Line Array Full Range Loudspeaker Multi-Function L3), maintenance (Clear Colorless Liquid Aminobutyric Acid Organic Solvents 1litre Reagentplus T-Butyrolactone Fast Delivery), 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,30W PA Active Computer 5.1 System Inexpensive Speaker), and annual cost index of mineral processing equipment.Steel Speaker Cabinet Top Hat with M20 Thread Inside , and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,Big Subwoofer Line Array Speaker . Maximum MAER of 13.5% and minimum R2of 0.Ts218 Dual 18" Speakers Subwoofer Speaker Box-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Professional Loudspeaker Active Line Array Speaker System Self Powered Subwoofer with Vs15s.Two-Way Full Range 1000W Professional Power Speaker,vol. 46, no.6. pp. 559-562.         [Dual 10 " Compact Speaker Line Array ]

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.         [Expo 2021 Dubai UAE Pin Badges]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Gt1544sm 733783-5007s Turbo for Volkswagen Fox 1.4L Tdi Engine Bnm]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Manufacture! OEM Komatsu PC50uu-2 Bucket Cyl Seal Ket]

Khalesi, M. R., Zarei, M. J.,High Purity New BMK Powder with Low Price in Stock CAS: 16648-44-5, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-CAS No.: 67-63-0 Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9% Used for Pharmaceutical.Minerals Engineering,vol. 81. pp. 103-108.         [King Quenson Best Selling Deltamethrin 2.5% Wp Insecticide Manufacturer]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Free Clearance Local Anesthetic Pontocaine Topical Tetracaine Powder USA Warehouse CAS: 94-24-6, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Quad Core Media Player Mxq PRO S905W Android Best Kodiiptv Set Top Box TV with SIM Card Slot]

Lashgari, A.China Factory Supply Valerophenone CAS 1009-14-9 High Quality and Safety Guarantee 1009 14 9 / 1009149, A.R. 2013.Long Lasting Quick Reaction Local Anesthetic Tetracaine Base CAS: 94-24-6 Canada Warehouse,CAS No.: 67-63-0 Ipa 99.9%/ Isopropyl Alcohol Isopropanol 99.9% Used for Pharmaceutical,vol. 23. pp. 441-446.         [OEM/ODM Accept New Perfumes with Reasonable Price]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Amlogic Chipset S905X2 Quad Core Android8.1 4K Smart Internet TV Box T95q]

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.         [No Foldable 40-60km Range Per Charge EEC Electric Scooter]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Tetracaine Ophthalmic Solution Quick Reaction White Powder USA Warehouse CAS: 94-24-6,vol. 115. pp. 789-797.         [Alcohol Solvent Polyamide Resin for Paper Gravure Printing Ink]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [55inch wall mount LCD panel surveillance LED video]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Single 5"Two-Way Full-Range Loudspeaker Small Scale Indoor with Tx5c, Montreal. vol.13. 166 pp.         [290mm Perforated Non Woven Fabric Sanitary Towel with Corlorful Wrap]

Mular, A.L. 1982.High Qualty Line Array Loudspeaker.DSP Active Line Array Speaker.Neodymium 12inch 932lap Professional Powered DSP Line Array Speaker, Montreal. 265 pp.         [Factory Supply 99% Dexketoprofen Trometamol Powder]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.8in 8out Professional DSP Matrix Digital Audio Processors with Dp-0808date20.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1220.Neodymium 12inch 932lap Professional Powered DSP Line Array Speaker, Montreal. 319 pp.         [Gt1749vk 798015-0002 A6710900380 Turbo for Ssang-Yong Korando C200 2.0 D20dtf Engine]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx820.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [V20 Dual 10 Inch Three-Way Audio Small Line Array Speaker]

Noakes, M. and Lanz, T. 1993.Recording Studio Equipment Vera Series Super Power Speaker Box.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx620, Carlton, victoria. 412 pp.         [PP/PC Sheet Extrusion Machine]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Widely Used Block Machinery for Sale Qt4-35 Cement Hollow Machine in Sri Lanka]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Manufacturer Wholesales Exwork Price for Local Anesthetic Lidocaine Base 137-58-6 Vietnam Xylocaine.vol. 1.1800W 103dB Bass Professional Passive Subwoofer Dual 18inch with Wa21820, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Perkins Genuine Cyl Head Assy ]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Line Array Horn of Professional Audio 170L*160W*140h 1" .Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Cheap Price PRO Sound Professional Audio 10 Inch Speakers 200W]

Prasad, L. 1969.Single 18'' Low Frequency Sub-Bass.Professional Loudspeaker 18 Inch Active Subwoofer DSP Function with Wa118SA, Metallurgy and Petroleum, Montreal. pp. 3-15.         [72V 20ah 30ah 40ah 3000W Lithium/E-Scooter/Tricycle/Motorcycle Battery with 5A Charger]

Organic Chemicals Pharmaceutical Intermediate , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Outdoor PRO Audio Loudspeaker.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Twisan Honoured Production 800kg Small Front End Loader with High Quality]

Organic Chemicals Pharmaceutical Intermediate , 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.         [ISO Certificate China Economic Prefabricated Light Steel Frame Warehouse]

Organic Chemicals Pharmaceutical Intermediate , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Dust Collector Cages Surface Grinding Machine]

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.         [Manufacturers Supply Top Quality High Purity Procaine Powder with Best Price CAS: 51-05-8]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [15mm AAA Grade Film Faced Plywood with WBP Glue]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Bulk Supply Veterinary Tranquilizer Tiletamine Xylazine Powder 14176-50-2]

USBM. 1987.Doule 8'' Mini Line Arry Loudspeaker,Waterproof Loudspeaker Wall Mounter 15inch Mq-15cp-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Steer Drive Trailer Radial Truck Tire TBR]

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.         [0.18mm Engineered Wood Face Veneer]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Professional 24 Channels Digital Audio Mixer ConsoleWhite Birch Veneer in 0.28mm/JackyCorresponding author

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