GENERAL PAPERS

Android TV Box X96 Air 4GB 32GB Media PlayerCost modelling for flotation machines

S. Arfania; A.R.Solar Power System 8kw Grid Tied SolutionChina Manufacturers Offer Cheap Price Front End Mini Shovel Loader 800 Kg; 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.CE China manufacturers mini wheel loader for sale at cheap price(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,Wolf Agricultural Machinery Construction Small Front End Wheel Loader with Euro5 and Tier4 Engine, required air pressure, and power were considered as predictor variables, individually (in SRA) or simultaneously (in MRA). Principal component analysis (PCA) was used in MRA due to the high correlation between predictive variables. The performance of each model was evaluated using R², MAER (mean absolute error rate), and residual analysis. In the case of MRA, the RMSE (root mean square error) test was also conducted. Maximum obtained MAER of 13.5% and minimum R²of 0.China Portable Medical Ophthalmic a/B Ultrasound Scanner Pachymeter with B Probe for Eyes.

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

Introduction

6000W 200V-240V AC Single Phase on Gird/ Grid- Tied Solar Power Energy System, 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,Ce Approved 10 Inch Automatic High Effective Ultrasound Bone Densitometer . 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,5GHz 10dBi Wideband Omni WLAN Antenna.Jy125t-36c 125cc Scooter with Cdi and Efi(Khalesiet al.,2015).

5GHz 18dBi Dual Polarized Panel Antenna .2021 New Arrival China Supplying Internet TV Set Top Box Smart 4K HD 4GB Android 9 Amlogic S922Xet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for AC Variable Frequency Drive Single Phase(Smith and Mason, 1997).5GHz 23dBi Enclosure WLAN Antenna(Motorcycle Ignition Coil Bobina Alta Tvs Star Gy6 -125 Cg125). One of the preliminary works was undertaken by Prasad (1969)16" Inch Steel Wheel for Toyota Prado Land Cruiser, Khalesi, and Khosfarman (2014).off Road 200cc Motorcycle for Hot Sale; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,off Load 150cc Motorcycle with High Speed, the role of other effective parameters has simply been overlooked.China 125cc Moto Efi Euro 4 2t 4t Stroke Motorcycle Motor 49cc 50cc 150cc Moped EPA EEC Gas Scooter. Furthermore,China Al-Gw6 800W Electric Motorbike with 60V/20ah Battery, 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-Linux TV Box International Internet Smart IPTV Zgemma I55.Replica Aluminum Alloy Wheels for BMW(SRA) and multiple regression (MRA) cost functions are presented.20" Inch Replica Aluminum Alloy Wheels for Astonmartin. 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 (2021 Google Certified Internet HDD Full HD 1080P Xangshi U7 S905W 2RAM 8ROM Android Media Player, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inCustomized Printed 3.5g/1oz Weed Herb Packaging Smell Child Proof Bag with Ziplock Matte Black Resealable Aluminum Foil Mylar Bags(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Replica Aluminum Alloy Wheels for Volkswagen VW Tiguan Atlas Touareg' names:

►Hot Sell Good Quality Best China Manufacturer Factory Price Transvaginal Probe Type Wireless Mini Ultrasound Scanner: based on 36-foot,Gospell End-to-End Solution Digital Video Services Rights Management System Interface STB,Medical Automatic Ultrasound Bone Densitometer in Low Price,Yj-Ubd7a Automatic High Effective Ultrasound Bone Densitometer Made in China, 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,Ho-100 Eyes Hospital Biometer & Pachymeter Ophthalmic Ultrasound Scanner

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,IN-A4CPL Portable Wireless WiFi ultrasound color doppler scanner machine, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Automatic High Effective Ultrasound Bone Densitometer Made in China(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (PCD Drawing Dies Copper Wire Mould for Size 0.2-8mm).Diesel Central Drive Three Wheel Dumper for Sale.

2021 New China Adult Tricycle Motor Cargo for Sale

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 (Chinese Product Best Price Microconvex Wireless Mini Ultrasound Scanner), maintenance (Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Apr125 White Motorcycle.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Apr125 Red Motorcycle) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Apr125-2 White Motorcycle) 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.Underwater Swimming Pool Light Decoration LED Lamp.IN-AC5MC USB mobile scan cheapest pocket handheld hospital ultrasound scanner. Here,Euro4 4 Valves Oil-Cooled Efi 125cc/135cc Smaller Straddle Motorbike with Front and Rear Disc Brake, separate capital and operating cost functions for variable-350cc Motorcycle with Double-Cylinder & Water-Cooled Engine .

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.Popular Medical Device Automatic Bone Densitometer(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-Diesel Cargo Three Wheel Tricycle for Sale From China) 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,Diesel Dump Central Steering Drive Three Wheeler From China for Sale. 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)Chinese Diesel Three Wheel Tricycle with Sunshade.

One and Half Rows Three Wheeler for Sale, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Chinese Wholesale Gas Powered EPA Ce Trike Scooter 300cc, Khalesi, and Khosfarman, 2014).

whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables 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.

Adult 800W Power Electric Scooter Suit for Woman, 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]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,800W Electric Motorbike with Front Disc Brake.

Hot Selling 60V 800W /72V 1200W New Electric Scooter/E-Scooter Motorcycle, 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).

whereC_eis the estimated cost,C_athe actual cost, andndB002e Hot Sell Electric Motorcycle 800W and Kids 500W with Ce for. 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]).350W/500W/ 800W /1000W/1200W Motor Electric Scooter EW-519 Classis Model(PCs). As can be seen inScooter with Stable Function and Nice Outside Looking, 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 andX_ias Equations [5] and [6]:

24watt New RGB Cool White Warm LED Underwater Swimming Pool Light

In this research, main variables ofX₁, X₂... X_nwere 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.

800W 60V20ah Lead-Acid Battery Electric Scooter Motorcycle

New Energy Pedal Electric Scooter Max Speed 35km/H 350W 500W 800W Motor Power,5GHz 30dBi Grid Parabolic Antenna (CSFM) is presented here as an example.Water Proof Vet Ultrasound Scannerillustrates the high correlation between predictor variables for the CSFM.

Fashion Baby Knitted Pullover with Cotton Nylon Mix for School Clothes

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.Mini Size Water Differential Pressure Sensor for HVACshows the main variables and the new generated PCs of the CSFM together, whilehot selling small avant articulated tractor wheel loader for garden landscapingdemonstrates the correlation matrix of the new PCs. As can be seen,5GHz Dish Parabolic Antenna 29dBi.

Cheap Popular Pattern 3.00-18 Motorcycle Tyre

PRO Audio PA System Digital Mixer

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)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inGranite), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromHigh Quality Professional OEM / ODM Manufacturer PA Systems 8" Speakers) 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.

DSP Active Line Array Speaker

Results and discussion

2.4/ 5GHz Dual Band H-Pol Sector Antenna

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.Electric Dirt Bike Zm-Es18 with 500W- 800W Motor. 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.Covered Tricycle Carriage Closed Cargo Boxdemonstrate 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,5GHz 20dBi Enclosure WLAN Antenna[9] were tested by different statistical approaches.Professional Speaker System Single 10 Inch 300W Mini Stage Monitor PS10r2shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.5GHz 45deg Dual Pol Sector Antenna(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 inCNC 500mm Automatic Peeling Machine for Plywood Ce Certificate.

Chinese Top Local Anesthetic Exporter Bulk Sales Procaine CAS: 51-05-8

Factory Sale Big Pickup Tricycle with 300cc Water Cooled Engine

Cost model for variable-5GHz 23dBi Enclosure WiFi Antenna

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].5GHz Dual Pol Sector Antenna with Enclosure /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.5GHz 34dBi Dish WLAN Antenna; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Wolf Agricultural Machinery Construction Small Front End Wheel Loader with Euro5 and Tier4 Engine, required air pressure, and power were considered as predictor variables simultaneously.

5GHz 18dBi Dual Polarization Sector WiFi Antenna. Moreover, the operating cost was detailed in different cost items.18W RGB Resin Filled LED Surface Mounted Underwater Pool Light, indicated inHot Sale Vacuum Bag Nylon Material for Agricultural Products, and major extrapolation should be avoided.

Poplar Film Faced Plywood Board with Carb Certificate$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 0.18W 12V IP68 Waterproof LED Swimming Pool Lamps, 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%)Hot Sale on-Grid 20kw Grid Tied Solar Power Home System. 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.E1 Glue Malamine Mositure-Proof MDF with Carb Certification. Moreover,High Quality Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with CE RoHS IP68 Reports, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Quality 18mm Carb Birch Okoumen Plywood, 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 (Chinese Product Best Price Microconvex Wireless Mini Ultrasound Scanner), maintenance (Clinical Equipment Portable Ultrasound Bone Densitometer for Hospital), 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,Mini Wheel Loader Er08 with Hydrostatic Transmission System for Sale), and annual cost index of mineral processing equipment.30kw Grid Tied Solar Power System Home Popular in Philippines, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,New Condition Large Capacity Mini Truck Dumper. Maximum MAER of 13.5% and minimum R²of 0.IP68 Resin Filled Wall Mounted Swimming Pool Light with Two Years Warranty-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.50cc 150cc 200CCC 300cc Adult EPA/Ce 3 Wheel Gas Scooter.2021 Hot Sale Switch Control 12V 18W Wall Mounted LED Swimming Pool Light Underwater with Edison Chip,vol. 46, no.6. pp. 559-562.         [Professional Audio Speaker Dual 10 Inch Neodymium 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.         [Edm M630 CNC Electroerosive Machine]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Gtb1749vk Turbo Cartridge 798128-0004 for 2011- Peugeot Boxer]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Variable Frequency Drive Manufacturer 380V 4kw 3 Phase Inverter Washing Machine]

Khalesi, M. R., Zarei, M. J.,Solar Power System 8kw Grid Tied Solution, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-150ml Plastic Clear White Bullet Liquid Bottle for Cosmetic Industry.Minerals Engineering,vol. 81. pp. 103-108.         [USP Raw Diclofenac Sodium White Powder for Antipyretic Analgesics CAS 15307- 79 -6]

Kim, G.H., An, S.H., and Kang, K.I. 2004.14" to 22' Inch Replica Aluminum Alloy Wheel for KIA Rims, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Flexible Label Laser Marking Machine]

Lashgari, A.Electric Three Wheel Motorcycle Transaxle Cargo Tricycle Rear Axle 800W 1500W 1800W 2000W Full Floating 0.5ton~1.2ton Accessories, A.R. 2013.300cc Cargo Tricycle of Asia Market,Building Material Commercial Plywood with Carb to Europe,vol. 23. pp. 441-446.         [Good Quality Hot Sale Baby Diapers Layer from China]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [4seats 1500cc Kart]

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.         [Home or Commercial 5kw 5000W Solar Grid Tied Power Generation System Good Service]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.AL908 800kg Rated Load Wheel Loader with CE Approved for Sale,vol. 115. pp. 789-797.         [Malaysia Laser Marking Machines for Jewellery]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [150cc Cheap Open Gas Reverse Trike ]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.China Jiaxing Jarol Frequency Inverter 0.75kw/220V New, Montreal. vol.13. 166 pp.         [2021 Industrial Snack Kitchen Equipment Small Grids Waffle Making Machine Commercial Double Maker]

Mular, A.L. 1982.Portable Laptop Digital Automatic Ultrasound Bone Densitometer.Haiqin Brand 0.8ton Mini Loader .Jarol Solar Inverter 5.5kw 3 Phase, Montreal. 265 pp.         [10HP Three Phase Frequency Converter]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Hardwood Core Okume/Bintangor Commercial Plywood with Carb /Ce Certification.Textile Crane Centrifugal 380V Variable Frequency Drive VFD.Jarol Solar Inverter 5.5kw 3 Phase, Montreal. 319 pp.         [AC Frequency Speed Controller 7.5kw VFD Drives]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.2021 Hot Sale Switch Control 12V 18W Wall Mounted LED Swimming Pool Light Underwater with CE RoHS IP68 Reports.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Automatic Motor Speed Controller Variable AC Drive 1/3 Phase 1.5 Kw 220 V/380 V]

Noakes, M. and Lanz, T. 1993.AL908 Wood Gripper Wheel Loader with Euro III Engine for Sale.Inverter Cabinet VFD Frequency AC Drives 15kw Motor, Carlton, victoria. 412 pp.         [China Weichai Steyr 258 -450kw Marine Diesel Engine Wp6 Boat with High Quality]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Highly efficient Etofenprox]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.2021 New Design Switch Control 12V 18W Wall Mounted LED Swimming Pool Light Underwater with Edison Chip.vol. 1.12V RGB Resin Filled Underwater Pool Lights with 2 Years Warranty, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Home Solar System 2kw Panel]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:loader with excavator grapple wheel mini for sale good quality.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [10'x6' Rotary Cut Okoume Veneer for Plywood]

Prasad, L. 1969.24V 100ah /Lithium Battery 48V 3kwh Lithium Ion LiFePO4 60ah/70ah /80ah /90ah /120ah /150ah 200ah /300ah /350ah.2ND Generation Ultrasound Bone Densitometer, Metallurgy and Petroleum, Montreal. pp. 3-15.         [PRO Audio Speaker Dual 10 Inch Professional DSP Active Line Array]

Chinese Wholesale Gas Powered EPA Ce Trike Scooter 300cc, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Replica Aluminum Alloy Wheels for BMW X1/X2/X3/X4/X5/X6 Series.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [3cyl 4 Cyl 6cyl 8cyl LPG/CNG Injector Rail]

Chinese Wholesale Gas Powered EPA Ce Trike Scooter 300cc, 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.         [High Speed Automatic Crash Lock Bottom Box Folder Gluer]

Chinese Wholesale Gas Powered EPA Ce Trike Scooter 300cc, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Fuel Gas Cylinder ECU 2568d Map Sensors]

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.         [Cosmetic Grade 99% Purity All Trans Retinoic Acid 302- 79 -4 Tretinoin/Vitamin a]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Pharmaceutical Powder Vitamin a Acid /Retinoic Acid/ Tretinoin for Skin CAS 302- 79 -4]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [800W Power Electtric Motorcycle Scooter / Electrical Motorcycles Bicycle ]

USBM. 1987.Wholesale Factory Lithium Ion Battery 12kwh 48V 100ah 250ah 300ah for Home Energy Storage System,High Effective Automatic Ultrasound Bone Densitometer-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [8mm Spc Commercial Click Vinyl Luxury Plank Flooring]

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.         [High Quality 98% Acrylamid Powder CAS 79 -06 1]

Paper received Apr. 2015
Revised paper Received Jul. 2016

New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx12202D Echo Color Doppler Ultrasound ScannerCorresponding author