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Dr. SHUANG WANG
Anhui University of Science and Technology

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0 Engineering
0 Magento
0 electical engineering
0 Mining and transportation machines and devices
0 Mineral analytical techniques

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Original research paper
Published: 14 July 2021 in The Journal of Engineering
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This study provides a new permanent magnetic eddy current drive system to solve the energy-saving drive problem of the scraper conveyor working under bad conditions, including overload startup, severe abrasion and pollution. Considering the practical conveying conditions of the scraper chain on a fully mechanised coal mining face, this study creates a mathematical model for the new permanent magnetic eddy current drive system of the scraper conveyor based on its characteristics and indicates the motion characteristics of the scraper chain driven by two wheels. This study verifies the model accuracy with a pre-startup technology depending on the scraper conveyor on the No. 12318 working face of the 8th coal mine in the West No. 1 mining area of the Pansan Coal Mine of the Huainan Mining Group. According to the results, the motion acceleration of the scraper chain based on the new permanent magnetic eddy current drive is lower than that of the scraper chain with a hydraulic coupler under the same running and load during startup and acceleration and declines by approximately 14.7%. Consequently, this can decline the startup impact due to the serious abrasion and frequent overload of the scraper chain working under bad conditions.

ACS Style

Deyong Li; Shuang Wang. Characteristics of new permanent magnetic eddy current drive system of the scraper conveyor. The Journal of Engineering 2021, 1 .

AMA Style

Deyong Li, Shuang Wang. Characteristics of new permanent magnetic eddy current drive system of the scraper conveyor. The Journal of Engineering. 2021; ():1.

Chicago/Turabian Style

Deyong Li; Shuang Wang. 2021. "Characteristics of new permanent magnetic eddy current drive system of the scraper conveyor." The Journal of Engineering , no. : 1.

Journal article
Published: 03 July 2021 in Powder Technology
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Aiming at the problems of difficult feature extraction and low recognition accuracy of coal and gangue, this paper proposes a recognition method based on dielectric and geometric features, which uses variational mode decomposition (VMD) to denoise the response signal to obtain its dielectric features; uses the marked watershed method to segment the image boundary to obtain its geometric features. The dielectric and geometric characteristic parameters of coal and gangue are extracted to construct the classification model of support vector machines (SVM). It takes only 0.001483 s for the secondary SVM classification model to process 60 groups of test samples, and the recognition accuracy is 98.33%, which is superior to the constructed SVM classification model, k-nearest neighbor (KNN) classification model, and back propagation neural network (BP) classification model. This method opens up a new way to solve the problem of coal and gangue identification.

ACS Style

Xinquan Wang; Shuang Wang; Yongcun Guo; Kun Hu; Wenshan Wang. Dielectric and geometric feature extraction and recognition method of coal and gangue based on VMD-SVM. Powder Technology 2021, 392, 241 -250.

AMA Style

Xinquan Wang, Shuang Wang, Yongcun Guo, Kun Hu, Wenshan Wang. Dielectric and geometric feature extraction and recognition method of coal and gangue based on VMD-SVM. Powder Technology. 2021; 392 ():241-250.

Chicago/Turabian Style

Xinquan Wang; Shuang Wang; Yongcun Guo; Kun Hu; Wenshan Wang. 2021. "Dielectric and geometric feature extraction and recognition method of coal and gangue based on VMD-SVM." Powder Technology 392, no. : 241-250.

Preprint content
Published: 25 May 2021
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This study provides a new permanent magnetic eddy current drive system to solve the ener-gy-saving drive problem of the scraper conveyor working under bad conditions, including overload startup, severe abrasion and pollution. Considering the practical conveying conditions of the scraper chain on a fully mechanised coal mining face, this study creates a mathematical model for the new permanent magnetic eddy current drive system of the scraper conveyor based on its characteristics and indicates the motion characteristics of the scraper chain driven by two wheels. This study verifies the model accuracy with a pre-startup technology depending on the scraper conveyor on the No. 12318 working face of the 8th coal mine in the West No. 1 mining area of the Pansan Coal Mine of the Huainan Mining Group. According to the results, the motion acceleration of the scraper chain based on the new permanent magnetic eddy current drive is lower than that of the scraper chain with a hydraulic coupler under the same running condition and load during startup and acceleration and declines by approximately 14.7%. Consequently, this can decline the startup impact due to the serious abrasion and frequent overload of the scraper chain working under bad conditions.

ACS Style

Shuang Wang; Yongcun Guo; Deyong Li. Characteristics of New Permanent Magnetic Eddy Current Drive System of the Scraper Conveyor. 2021, 1 .

AMA Style

Shuang Wang, Yongcun Guo, Deyong Li. Characteristics of New Permanent Magnetic Eddy Current Drive System of the Scraper Conveyor. . 2021; ():1.

Chicago/Turabian Style

Shuang Wang; Yongcun Guo; Deyong Li. 2021. "Characteristics of New Permanent Magnetic Eddy Current Drive System of the Scraper Conveyor." , no. : 1.

Article
Published: 14 January 2019 in Journal of Mechanical Science and Technology
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In order to solve the problem of small transmission power and large space occupation of the magnetic vortex coupler, a hybrid magnetic coupler is proposed. A 3D magnetic field finite element distribution model was built according to the effects of the structural parameters of this hybrid magnetic coupler on its dynamic performance, its structural parameters were optimized by an improved response surface methodology (IRSM), and then the correctness of these optimized parameters was verified in a self-designed test. The structural parameters of this hybrid magnetic coupler were optimized using IRSM, the optimization results showing that the magnetic flux density in this hybrid magnetic coupler increased by 5.01 times. According to the test results, the maximum error between the test value and the optimal value of maximum torque, average output speed and slip is 11.9 %, 5.3 % and 9.7 %, respectively, suggesting that this optimization method is tenable. The results could serve as theoretical and technical bases for the design of hybrid magnetic couplers.

ACS Style

Shuang Wang; Kun Hu; De-Yong Li. Optimal design method for the structural parameters of hybrid magnetic coupler. Journal of Mechanical Science and Technology 2019, 33, 173 -182.

AMA Style

Shuang Wang, Kun Hu, De-Yong Li. Optimal design method for the structural parameters of hybrid magnetic coupler. Journal of Mechanical Science and Technology. 2019; 33 (1):173-182.

Chicago/Turabian Style

Shuang Wang; Kun Hu; De-Yong Li. 2019. "Optimal design method for the structural parameters of hybrid magnetic coupler." Journal of Mechanical Science and Technology 33, no. 1: 173-182.

Research article
Published: 01 July 2018 in IET Science, Measurement & Technology
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Normal belt conveyors transfer materials by utilising the friction force between driving rollers and the conveyor, resulting in sag resistance and friction. In order to overcome this shortcoming, this study presents a new permanent magnet low resistance belt conveyor, which is used to replace the original mechanical contact with the permanent magnetic support system. The simplified mechanical three-dimensional model of its permanent magnet support system was established. The mathematical expressions of suspension force, reluctance force and lateral force were deduced with Maxwell equations based on reasonable assumptions. The approximate relationship among air gap length, magnetic flux density and magnetic force was derived from the analysis of air gap characteristics of the permanent magnet support system and the finite-element simulation of the permanent magnet support system under different air gap conditions. A self-designed test device of the permanent magnet low-resistance belt conveyor was used to apply different sets of loads and carry out the experimental research on the permanent magnet support system under different air gap lengths, so as to obtain the pressure distribution of the magnetic conveyor belt. The findings provide theoretical references for further research on the permanent magnet low-resistance belt conveyor.

ACS Style

Shuang Wang; Kun Hu; De‐Yong Li. Analysis and experimental research on air gap characteristics of permanent magnet low‐resistance belt conveyor. IET Science, Measurement & Technology 2018, 12, 472 -478.

AMA Style

Shuang Wang, Kun Hu, De‐Yong Li. Analysis and experimental research on air gap characteristics of permanent magnet low‐resistance belt conveyor. IET Science, Measurement & Technology. 2018; 12 (4):472-478.

Chicago/Turabian Style

Shuang Wang; Kun Hu; De‐Yong Li. 2018. "Analysis and experimental research on air gap characteristics of permanent magnet low‐resistance belt conveyor." IET Science, Measurement & Technology 12, no. 4: 472-478.

Research article
Published: 23 May 2018 in Advances in Mechanical Engineering
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Detent force is an important factor affecting the running of permanent magnet suspension belt conveyor. Specific to detent force characteristics of the permanent magnet suspension belt conveyor, a finite element method was adopted to perform finite element analysis on a permanent magnet support system based on diverse air gaps, parameters of permanent magnets, and different kinds of clearances between permanent magnets. Not only was a method of defining the optimal buoyancy–resistance ratio for the permanent magnet suspension belt conveyor presented but also an optimized mathematical model for buoyancy–resistance ratio that takes velocity into account was established. Furthermore, a global optimal solution (1.6m/s) and a local optimal solution (11.83m/s) were both figured out for optimal speed of the magnetic belt. In this way, references could be provided for the permanent magnet suspension belt conveyor design.

ACS Style

Zhongxun Wang; Kun Hu; Yongcun Guo; Shuang Wang. Optimization on detent force characteristics of the permanent magnet suspension belt conveyor. Advances in Mechanical Engineering 2018, 10, 1 .

AMA Style

Zhongxun Wang, Kun Hu, Yongcun Guo, Shuang Wang. Optimization on detent force characteristics of the permanent magnet suspension belt conveyor. Advances in Mechanical Engineering. 2018; 10 (5):1.

Chicago/Turabian Style

Zhongxun Wang; Kun Hu; Yongcun Guo; Shuang Wang. 2018. "Optimization on detent force characteristics of the permanent magnet suspension belt conveyor." Advances in Mechanical Engineering 10, no. 5: 1.

Journal article
Published: 04 August 2017 in Energies
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Specific to a problem of large vibro-impact aris ing from the cutting unit of the hard rock tunnel boring machine (TBM), a hybrid magnetic coupler based on soft start was proposed in this paper. The mathematical model for total eddy current losses of such a coupler was established by field-circuit method. Then, magnetic-thermal coupling simulation was performed by virtue of three-dimensional finite element software. In addition, an experimental prototype was independently designed; by comparing the model with experimental data, validity of the above mathematical model was verified. The relevant research results indicated that calculated values were consistent with experimental values, and the magneto thermal coupling method could be applied to accurately analyze temperature distribution of the hybrid magnetic coupler. By contrast to the existing magnetic coupling of the same dimension, output efficiency of the hybrid magnetic coupler was improved by 1.2%. Therefore, this research technique can provide references for designing the cutting unit of hard rock TBM with a high start impact.

ACS Style

Shuang Wang; Yongcun Guo; Gang Cheng; Deyong Li. Performance Study of Hybrid Magnetic Coupler Based on Magneto Thermal Coupled Analysis. Energies 2017, 10, 1148 .

AMA Style

Shuang Wang, Yongcun Guo, Gang Cheng, Deyong Li. Performance Study of Hybrid Magnetic Coupler Based on Magneto Thermal Coupled Analysis. Energies. 2017; 10 (8):1148.

Chicago/Turabian Style

Shuang Wang; Yongcun Guo; Gang Cheng; Deyong Li. 2017. "Performance Study of Hybrid Magnetic Coupler Based on Magneto Thermal Coupled Analysis." Energies 10, no. 8: 1148.

Journal article
Published: 13 March 2017 in Archives of Transport
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In view of the size and the change of the load force of the conveyor belt at the turning point of the plane turning belt conveyor, the influencing factors of the stress of the conveyor belt at the turning point of the plane turning belt conveyor under full load condition are analyzed. A three dimensional model of the turning point of the plane turning belt conveyor is established. Combined with previous research experience, the formula for calculating the load is put forward. Based on discrete element method, multiple sets of internal curve elevation angle and the belt speed are used for dynamic simulation analysis. The results showed that the middle of conveyor belt is the most stressed, the lateral force second, the force of the inner conveyor belt is the least. Outside force increases with the increase of speed; there is no change in the middle band; the inner band force decreases with the increase of the velocity. Outside force decreases with the decrease of the inclination angle. With the change of the inclination angle, the force is basically unchanged. With the decreasing of the inclination angle, the force increases gradually. By optimizing the design parameters of the plane turning belt conveyor, the force of belt is reduced, and the service life of belt is improved.

ACS Style

De-Yong Li; Shuang Wang; Kun Hu. Mechanical analysis and research of the conveyor belt of plane turning belt conveyor based on Discrete Element Method. Archives of Transport 2017, 41, 55 -62.

AMA Style

De-Yong Li, Shuang Wang, Kun Hu. Mechanical analysis and research of the conveyor belt of plane turning belt conveyor based on Discrete Element Method. Archives of Transport. 2017; 41 (1):55-62.

Chicago/Turabian Style

De-Yong Li; Shuang Wang; Kun Hu. 2017. "Mechanical analysis and research of the conveyor belt of plane turning belt conveyor based on Discrete Element Method." Archives of Transport 41, no. 1: 55-62.

3dr express
Published: 17 December 2016 in 3D Research
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Specific to a problem that the present transmission of magnetic coupling torque was subjected to restrictions of its own structure, a hybrid magnetic coupling was proposed. Then, finite element method was adopted to carry out numerical calculations for its three-dimensional magnetic field to obtain three-dimensional magnetic field distribution of radial and axial configurations. Major influencing factors of its torque, such as lengths of axial and radial air gaps, thicknesses of axial and radial permanent magnets, the number of slots in axial copper rotor, thickness of axial and radial copper rotor, etc., were analyzed. The relevant results indicated that in certain conditions of shapes, ten magnetic poles of the axial permanent magnet rotor, nine of the radial permanent magnet rotor and nine slots from the axial copper rotor were used. Correspondingly, the axial copper rotor had a thickness of 20 mm and it was 5 mm for the radial copper rotor. Moreover, the maximum torque could reach 190 N.m approximately. If lengths of axial and radial air gaps increased, the torque may go down otherwise. Within a certain scope, the torque rose in the first place and then fell with increases in the permanent magnet thickness of axial permanent magnetic rotor, the number of axial and radial magnetic poles, the number of slots in axial copper rotor, and the thickness of axial copper rotor. Additionally, the number of slots in the axial copper rotor could not be equivalent to that of magnetic poles in axial permanent magnetic rotor. However, as the permanent magnet thickness of radial permanent magnetic rotor rose, the torque went up as well.

ACS Style

Shuang Wang; Yong-Cun Guo; Peng-Yu Wang; De-Yong Li. Study on Torque Calculation for Hybrid Magnetic Coupling and Influencing Factor Analysis. 3D Research 2016, 8, 1 .

AMA Style

Shuang Wang, Yong-Cun Guo, Peng-Yu Wang, De-Yong Li. Study on Torque Calculation for Hybrid Magnetic Coupling and Influencing Factor Analysis. 3D Research. 2016; 8 (1):1.

Chicago/Turabian Style

Shuang Wang; Yong-Cun Guo; Peng-Yu Wang; De-Yong Li. 2016. "Study on Torque Calculation for Hybrid Magnetic Coupling and Influencing Factor Analysis." 3D Research 8, no. 1: 1.

Journal article
Published: 25 July 2016 in 3D Research
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In view of the feasibility of a new type of low resistance permanent magnet pipe belt conveyor, the magnetic properties of the permanent magnet magnetic pipe conveyor belt system are studied. Based on the molecular current hypothesis, the mathematical model of the three dimensional radial magnetic force of permanent magnet pipe conveyor belt was established. The mathematical model of the radial magnetic force was derived, and the influence factors of the radial magnetic force were derived. The finite element simulation of permanent magnet-magnetic pipe conveyor belt magnetic model was carried out, then the magnetic flux density distribution chart under the conditions of different remanence intensity of different permanent magnet and different lengths of the permanent magnets (along the transport direction) were obtained. The simulation results are consistent with the calculation results, which shows that the permanent magnet pipe belt conveyor is feasible. Under certain conditions, the radial magnetic force has nonlinear increase relations with residual magnetism of permanent magnet and the length of the permanent magnet (along the transport direction).

ACS Style

Shuang Wang; De-Yong Li; Yong-Cun Guo. Research on Magnetic Model of Low Resistance Permanent Magnet Pipe Belt Conveyor. 3D Research 2016, 7, 23 .

AMA Style

Shuang Wang, De-Yong Li, Yong-Cun Guo. Research on Magnetic Model of Low Resistance Permanent Magnet Pipe Belt Conveyor. 3D Research. 2016; 7 (3):23.

Chicago/Turabian Style

Shuang Wang; De-Yong Li; Yong-Cun Guo. 2016. "Research on Magnetic Model of Low Resistance Permanent Magnet Pipe Belt Conveyor." 3D Research 7, no. 3: 23.

Journal article
Published: 01 July 2016 in Advanced Powder Technology
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Due to the squeezing action of bulk materials, conveyor belt was expanded and deformed outwards when the pipe belt conveyor was used to transport the materials; lateral pressure borne by this belt also varied in a complex way. In this paper, the condition of lateral pressure borne by conveyor belt of pipe belt conveyor was studied to establish a coupling model for such a lateral pressure. Furthermore, considering the actual sophisticated forces of the conveyor belt, a calculation formula was further derived for relations among lateral pressure of the pipe conveyor belt, material diameter and filling rate. In addition, the discrete element method was also adopted to simulate its lateral pressure and a prototype was developed for the conveyor belt of a pipe belt conveyor to perform experimental verifications. It was found that simulation analysis approximately agreed with test results. Under a circumstance of definite design conditions, the optimization of material diameter and filling rate was beneficial to improvement of forces taken by the conveyor belt of the pipe belt conveyor as well as its service life and reliability.

ACS Style

Yong-Cun Guo; Shuang Wang; Kun Hu; De-Yong Li. Optimization and experimental study of transport section lateral pressure of pipe belt conveyor. Advanced Powder Technology 2016, 27, 1318 -1324.

AMA Style

Yong-Cun Guo, Shuang Wang, Kun Hu, De-Yong Li. Optimization and experimental study of transport section lateral pressure of pipe belt conveyor. Advanced Powder Technology. 2016; 27 (4):1318-1324.

Chicago/Turabian Style

Yong-Cun Guo; Shuang Wang; Kun Hu; De-Yong Li. 2016. "Optimization and experimental study of transport section lateral pressure of pipe belt conveyor." Advanced Powder Technology 27, no. 4: 1318-1324.

Journal article
Published: 04 April 2016 in 3D Research
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The size and change of the impact load of coal material applied to the skip are studied aiming at the quantitative loading system of the skip. Based on the impulse theorem and with reasonable assumption, the calculation formula for impact force of the coal material is deducted and the impact characteristic of the impact force to the quantitative loading system of the skip is analyzed. The process of the coal material falling from quantitative conveyor to skip is analyzed with the discrete element simulation so that the distributed load of the impact force of the coal material at the skip bottom is obtained. The results show that the coal material produces large impact force (687 N) to the skip bottom the moment the coal material falls into the skip, and then the force decreases rapidly to about 245 N and increases gradually during the fluctuation; the impact force applied to the skip bottom increases with the increase of the coal transportation speed and the size of discharging port of the chute, but it is not in direct proportional relationship. The simulation results are basically the same as the experimental results. Finally the optimization parameters of the speed of quantitative conveyor and the size of the discharging port of the chute are searched for so as to improve the capacity of the conveyor and impact load assumed by the skip bottom.

ACS Style

Shuang Wang; Kun Hu; Gang Cheng; De-Yong Li. Optimization Research of Mine Skip Quantitative Loading System. 3D Research 2016, 7, 1 -11.

AMA Style

Shuang Wang, Kun Hu, Gang Cheng, De-Yong Li. Optimization Research of Mine Skip Quantitative Loading System. 3D Research. 2016; 7 (2):1-11.

Chicago/Turabian Style

Shuang Wang; Kun Hu; Gang Cheng; De-Yong Li. 2016. "Optimization Research of Mine Skip Quantitative Loading System." 3D Research 7, no. 2: 1-11.

Journal article
Published: 31 March 2016 in Archives of Transport
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In order to release the lateral force of pipe conveyor belt in vertical transportation, the thesis had a study of the lateral force of the conveyor belt. By making use of Janssen Principles and fractal theory, based on reasonable simplification, the author established a mathematical model of the lateral force in vertical transportation, and with the research foundation of the pipe belt conveyor for underground transportation, through solution analysis, the author found out that the change of material diameter would lead to nonlinear variation of the lateral force of the conveyor belt. Under the circumstances of different material diameter, discrete element method was adopted to simulate the lateral force of the conveyor belt, thus working out the distribution curve chart of the lateral force. To verify the reliability of the theory, the author built an experimental platform for pipe conveyor belt in vertical transportation, and experimented with five groups of materials in different diameter, working out the strain of lateral force of the characteristic conveyor belt; by comparing the theoretical result, the simulation result and the experimental result, it showed that the solution to relieving lateral force through optimization selection of material diameter put forward in this thesis was reasonable and effective. It provides theoretical reference for the design of pipe belt conveyor.

ACS Style

Shuang Wang; Yong-Cun Guo; De-Yong Li; Kun Hu. Research of lateral force of pipe conveyor belt’s vertical transport section. Archives of Transport 2016, 37, 67 -75.

AMA Style

Shuang Wang, Yong-Cun Guo, De-Yong Li, Kun Hu. Research of lateral force of pipe conveyor belt’s vertical transport section. Archives of Transport. 2016; 37 (1):67-75.

Chicago/Turabian Style

Shuang Wang; Yong-Cun Guo; De-Yong Li; Kun Hu. 2016. "Research of lateral force of pipe conveyor belt’s vertical transport section." Archives of Transport 37, no. 1: 67-75.

Journal article
Published: 18 February 2016 in 3D Research
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In order to increase the transport volume of the pipe belt conveyor and reduce lateral pressure of the supporting roller set, this study aims to optimize the pipe diameter of the pipe belt conveyor. A mechanical model of the pipe belt conveyor with six supporting roller sets in the belt bearing section was built based on the infinitesimal method, and the formula for calculating the lateral pressure of each supporting roller was deduced on the basis of reasonable assumption. Simulated analysis was carried out on the operation process of the pipe belt conveyor by using the discrete element method. The result showed that, when the other conditions were certain, as the pipe diameter increased, the average lateral pressure of the supporting roller set increased, with a gradually decreasing increment, which was consistent with the calculated result of the theoretical formula. An optimized pipe diameter under the current conditions was obtained by fitting the curve of the formula for calculating the transport volume of the pipe belt conveyor and its simulation curve. It provided a certain reference value for improving the transport efficiency and prolonging the service life of the pipe belt conveyor.

ACS Style

Yong-Cun Guo; Shuang Wang; Kun Hu; De-Yong Li. Optimizing the Pipe Diameter of the Pipe Belt Conveyor Based on Discrete Element Method. 3D Research 2016, 7, 1 -9.

AMA Style

Yong-Cun Guo, Shuang Wang, Kun Hu, De-Yong Li. Optimizing the Pipe Diameter of the Pipe Belt Conveyor Based on Discrete Element Method. 3D Research. 2016; 7 (1):1-9.

Chicago/Turabian Style

Yong-Cun Guo; Shuang Wang; Kun Hu; De-Yong Li. 2016. "Optimizing the Pipe Diameter of the Pipe Belt Conveyor Based on Discrete Element Method." 3D Research 7, no. 1: 1-9.