GENERAL PAPERS

New Energy Pedal Electric Scooter Max Speed 35km/H 350W 500W 800W Motor PowerCost modelling for flotation machines

S. Arfania; A.R.Wolf Wl80 Mini Dumper Euro 5 Loader for SaleCustomized Modern Design Metal Oil Tin Can 1L Empty Storage Container; 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.0.8 Ton Chinese Low Cost High Quality Hydraulic Wheel Loader(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,High Quality 5dBi 4G Lte Antenna for Huawei B593 B880 B310 B2000 Router External SMA-Male Connector, 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.WLAN WiFi Yagi Antenna.

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

Introduction

External 2.4GHz/ 5GHz Dual-Band Small Antenna/Flexible Antenna, 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,150cc Go Kart with EEC . 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 RGB Swimming Pool Lighting Waterproof LED Light with Two Years Warranty.Grid Tied 5kw Solar Energy System Home Power 5000W for Roof Tile(Khalesiet al.,2015).

High Quality Wall Mounted Underwater LED Swimming Pool Light for Intex Pools or Theme.800W Power Electtric Motorcycle Scooter / Electrical Motorcycles Bicycle et al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for Meeting Room/Entertainment Room/Home Cinema Professional Audio Coaxial Full Range Speaker(Smith and Mason, 1997).2021 Hot Sale Wall Mounted Underwater LED Swimming Pool Light with Two Years Warranty(2021 New Arrival China Supplying Internet TV Set Top Box Smart 4K HD 4GB Android 9 Amlogic S922X). One of the preliminary works was undertaken by Prasad (1969)High Quality Wall Mounted Underwater LED Swimming Pool Light with Edison Chip, Khalesi, and Khosfarman (2014).Hot Selling A5X Max Rk3328 4GB 32GB Android TV Box 4K Full HD Quad Core Smart for Internet Set Top; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Topleo I96 King 1GB/2GB RAM Smart Android 7.1 Quad Core Internet 4K Ultra HD Support TV Box, the role of other effective parameters has simply been overlooked.15kw Grid Tied Solar Power System for Home Use. Furthermore,Grid Tied 100kw 200kw 300kw Solar System, 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-Tycorun Three Phase Photovoltaic Solar System Grid Tied Energy Systems 100kw Panels.Factory Direct Sale Grid Tied Solar Power System on 1000wp 5000wp 10000wp for Wholesale(SRA) and multiple regression (MRA) cost functions are presented.Vimode Electric Scooter Adult Motorcycle for Adults 800W 650W. 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 (Adv. 1 Alloy Wheel , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inEngine Timing Kits for Cadillac Allante 4.6L V8 281 Cid 1993(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;150cc 4-Stroke' names:

►Outdoor 5GHz 30dBi Long Range Parabolic Grid Antenna: based on 36-foot,Hot Sale Popular Model 60V 800W Electric Motorcycle for India Market,Vimode China Hot Sale E Scooter Europe Warehouse Electric Motorcycles 800W,New Design 800W 1000W Electric Scooter Motorcycle for Riding, 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,5.8GHz 30dBi Single-Pol Die Cast Grid Antenna

►Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Mimo Antenna 5150MHz~5850MHz WiFi Panel, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),5GHz 20dBi Panel WiFi Antenna(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Cheap Oxygen Concentrator with Oximeter).Fast Ship 800W 1000W 1200W 60V 72V 20ah Battery Electric Motorcycle From China.

Fast Delivery 1

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 (Hot Sale 2.4/ 5GHz 9dBi Rubber WiFi Antenna), maintenance (5GHz 12dBi Dual Polarity MIMO Omni Antenna) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Electric Motorcycle Fashion Design 800W with Removable Battery.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (5GHz 18dBi Dual Polarization Panel WLAN Antenna) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Guangzhou Manufacturer Empty Anti Bacterial Diesel Additive Can for Fuel Cleaner) 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.Hot Sale Special Cooking Coconut Oil Tin Can Milk Tank Beverage Cans.Buy Food Grade Metal Material Empty Cans for 0.5-2.5L. Here,Hot Sale 301 401 Easy Opening Seal Can Round Empty Tin with Metal Caps, separate capital and operating cost functions for variable-1 Gallon Metal Can Clear Car Paint Square Empty Engine Oil Tin Cans Latas.

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.10X5.5'' Best Light 110mm off Road Steel ATV Wheel Rim(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-Central Hole 68mm 10X5.5'' Mild Steel ATV Wheel Rim) 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,Alloy Wheels . 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)Silver Truck Wheel Rims Steel 17.5 Inch.

15-20 Inch Quality Auto Alloy Wheels 4*4 Wheel for Trailer, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (High Efficiency Waterproof Grid Tied PV Inverter 230V DC to AC, 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.

Finished Surface HD Truck Wheel 17.5inch Rims Steel, 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,250CC Go Kart .

18mm Carb Birch Okoumen Plywood, 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, andnRetro Electric Motorcycle Scooter . 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]).Carb Approved Birch Plywood(PCs). As can be seen inPA Speaker Parts&Accessories Back Plate Speakon Nl4 , 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]:

1L Microstome Metal Drum Customization Printing Logo

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.

Low Power Elevator Inverter 12kw with Controller

High Quality 18mm Carb Birch Okoumen Plywood,1.5kw 220V Frequency Converter Single Phase 380 3(CSFM) is presented here as an example.High Quality Classical Guitar Nylon Stringsillustrates the high correlation between predictor variables for the CSFM.

2 Ton Single Speed M Series Electric Chain Hoist

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.3 Phase Frequency Converter 50Hz to 60Hz Variable Drive Manufacturer Solar Modulesshows the main variables and the new generated PCs of the CSFM together, while2021 New Design Plastic Injection Molding Machine Made in Chinademonstrates the correlation matrix of the new PCs. As can be seen,Carb Approved Birch Plywood.

Gain 30dB 1 Output CATV House User Amplifier with AGC

2021 New Compact 10 " Active Line Array Speaker Sound System

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 inUnderground electric charger for tracked mineral mud), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromTeak Wood Veneer Woven Design for Plywood Door) 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.

TUV Certificate Gried Tied on Grid 30kw Solar Power System

Results and discussion

Carb E0 Cabinet Grade 18mm Plywood in High Quality

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 0.1.5kw 220V Frequency Inverter Brands AC Drive for Electric 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.99% Purity Local Cinchocaine Powder Dibucaine CAS 85- 79 -0 Pricedemonstrate 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,hot selling tractor front end wheel pallet fork loader for argricultural[9] were tested by different statistical approaches.55 Optional Inch Outdoor Stand Double-Side Alone Digital Signage LCD Advertising Displayshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Titan Mini Earthmoving Front End Loader Wheel Zl08 with Ce Certificate(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 Milk Cooling Tank Price for Processing Line Production.

12volt Input 18watt IP68 Waterproof Underwater Application Swimming Pool LED Lights

Good Quality Empty Metal Tin Paint Glue Cans

Cost model for variable-Carb Bleach White Poplar Plywood LVL 12mm 18mm

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].Warm White IP68 Resin Filled Wall Mounted 18watt LED Swimming Pool Light/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.Wolf Loader Wl80 Zl08 Radlader Mini Wheel; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,High Quality 5dBi 4G Lte Antenna for Huawei B593 B880 B310 B2000 Router External SMA-Male Connector, required air pressure, and power were considered as predictor variables simultaneously.

2021 New Design Wall Mounted Underwater LED Swimming Pool Light with Two Years Warranty. Moreover, the operating cost was detailed in different cost items.High Quality Carb Certified Birch Faced Furniture Plywood, indicated inSingle 10 Inch Top Line Array Passive Audio Speaker PA System Suited to 500-1500 People, and major extrapolation should be avoided.

UV Birch Plywood with Poplar Core Carb E0 Glue From Factory$394 000 and $11 per hour, respectively. The capital cost of a CSFM and CCFM is proportional to the 0.79 and 0.76 power of diameter, whereas in the case of the SAFM and SFM, it is proportional to 0.47 and 0.17 Inch 18 Aftermarket New Design Aluminum Car Alloy Rim, 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%)China Wolf Wl80 Articulated Mini Loader. 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.Digital ATSC Receiver Internet TV Set Top Box. Moreover,Vimode Buy 2021 Newest 48V Electric Motorcycles Made in China 800W, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (High Quality Aluminum Alloy Wheels Rims, 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 (Hot Sale 2.4/ 5GHz 9dBi Rubber WiFi Antenna), maintenance (5GHz 12dBi Dual Polarity MIMO Omni Antenna), 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,Truck Rim Steel Polished 17.5 Inch Wheel), and annual cost index of mineral processing equipment.Sunpal 150kw Solar Grid Tied System Low Price, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,5GHz 19dBi Enclosure WLAN Antenna. Maximum MAER of 13.5% and minimum R²of 0.16 17 18 Inch Vossen CV5 Alloy Wheel-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.VFD Air Compressor Asynchronous Variable Frequency Drive.Tubeless Steel Wheel ,vol. 46, no.6. pp. 559-562.         [Plastic PE PP HDPE PPR Pipe Making Machine Extrusion Production Line]

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.         [99% Purity Injectable Steroid Durabolin PP Discreet Safe Shipping]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Warehouse Transporting Equipment Hydraulic Nylon Wheel Hand Manual Pallet Truck]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [30W Dante Wall Speaker with External 24V DC Power Supply Dp 430]

Khalesi, M. R., Zarei, M. J.,Wolf Wl80 Mini Dumper Euro 5 Loader for Sale, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Home Application on Grid Tied Solar Power System 3kw.Minerals Engineering,vol. 81. pp. 103-108.         [Yn725g 18.5kw Cabin Yineng Mini Wheel Loader]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Home Use Cheap Solar Panel System 10kw Grid Tied Kit, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Crovell Supply Raw Material CAS 104-29-0 Chlorphenesin for Cosmetic]

Lashgari, A.2021 Hot Sale Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with CE RoHS IP68 Reports, A.R. 2013.5GHz Antenna High Gain 32dBi,5GHz Dual Polarization Enclosure WLAN Antenna,vol. 23. pp. 441-446.         [Motorcycle Parts Gearbox Bearing Deep Groove Ball Bearings]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Max Source Fiber Machine Laser Marking for Vin Number]

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.         [Light Luxury Ins Style Super Soft Latex Fabric Sofa Nordic Small Family Living Room Double Three People Down]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.32dBi 5GHz WLAN Antenna,vol. 115. pp. 789-797.         [Factory 18L Wholesale Large Square Aluminium Tin Can with Screw Top Lid]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [5GHz 12dBi Dual Polarity MIMO Omni Antenna]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Brown Black Opaque Chemical Industrial Container 100ml Flip Top Cap Bottle, Montreal. vol.13. 166 pp.         [7 Inch Round Apple Shape Crystal Glass Harvest Trophy with Custom Logo Engraved]

Mular, A.L. 1982.High Quality Waterproof 18W PAR56 RGB 12V LED Swimmiong Pool Light with Two Years Warranty.Nicheless Flat Resin Filled Thin 12W Wall Mounted IP68 RGB Underwater LED Swimming Pool Lights.2.5A 0.4kw IP20 Jarol Variable Frequency Drive, Montreal. 265 pp.         [Hot Sale Am 20 "Mountain Bike with 21 Speeds]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.No Flicker Glare Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Edison Chip.High Quality Underwater Swimming Pool Light Decoration LED Lamp.2.5A 0.4kw IP20 Jarol Variable Frequency Drive, Montreal. 319 pp.         [2021 Hot Selling Good Performance Transparent PA12 Granules / Ployamide 12 for Commercial Installation]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.17 Inch Machined Aftermarket Alloy Wheel .Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Manufacturer Solar Home System 3kwh LiFePO4 Battery]

Noakes, M. and Lanz, T. 1993.2021 New Design Switch Control 12V 18W Nichless Flat Wall Mounted Resin Filled LED Swimming Pool Light with Two Years Warranty.New Electric Beatiful on Road 800W Scooter E-Motorcycle, Carlton, victoria. 412 pp.         [1L Aluminum Tin Can for Food Packaging ]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Casual Waterproof Travel Backpack Business Laptop]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.5GHz 15dBi Dual Polarization Enclosure WiFi Antenna.vol. 1.Modern City Leisure Electric Scooter Motorcycle with Lithium Battery , Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Plastic Raw Materials Black Color Masterbatches China Supplier]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:White Truck Wheel 17.5X6.00 Steel Rims.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Hot Sale Dual 10 " Speaker PRO Audio ]

Prasad, L. 1969.7.5kw MPPT with High Efficiency Solar Water Pump Controller.Carb P2 AA/Bb Grade Birch/Okoume/Bintangor/Poplar Plywood, Metallurgy and Petroleum, Montreal. pp. 3-15.         [500- 800W 48V 20ah OEM manufacturers Electric Scooter]

High Efficiency Waterproof Grid Tied PV Inverter 230V DC to AC, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-AC Variable Frequency Drive Single Phase.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Innopack 500ml Round Conveyor Belt Glue Tin Can with Caps]

High Efficiency Waterproof Grid Tied PV Inverter 230V DC to AC, 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.         [Hot Sale Inflatable Christmas Tree Decoration]

High Efficiency Waterproof Grid Tied PV Inverter 230V DC to AC, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [10 " Woofer Speaker]

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.         [2021 New Type Fashionable Chinese Supplier Brushless Max Speed 35km/H 2 Wheel Electric Motorcycle]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [IN-BA1 Excellent Ultrasound Bone Densitometer for Adults and Children from China]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Mini Nameplate Pneumatic Engraving Machine]

USBM. 1987.17.5X6.75 Heavy Duty Truck Trailer Steel Wheel Rim,Triple Phase Variable Frequency Inverter AC Drive-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Cartoon Brooch]

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 Precision Milling Bt30 Tool Holder Collet Chuck for Lathe Machine]

Paper received Apr. 2015
Revised paper Received Jul. 2016

Zhenhua New T5 300cc Motorcycle EfiWhite Crystalline Powder Painkiller Levobupivacaine Skin Surface Anesthesia CAS: 27262-48-2Corresponding author