Proceedings of the 3rd International Conference on Material, Mechanical and Manufacturing Engineering

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440 articles

Soundness Analysis of the Process of the Automatic Vending System Based on Petri Net

Lina Chen, Xianwen Fang, Xiangwei Liu
Automatic vending system is being widely used, the system of business process was mainly related to data flow and control flow, so the soundness analysis for business processes of automatic vending system is more difficult. The existing research about the soundness analysis of the process model is mainly...

Realization of the helicopter test management system Based on Fuzzy Control automatic balancing technology

Xianmin Peng, Guichuan Zhang, Zhonghua Liu, Bing Xu
According to the shortcoming of present helicopter wind tunnel test by manual operation , an automatic control technology based on network communication was developed for the helicopter winder tunnel experiment. It includes the test standard process and different pipelines between command communication...

Research And Implementation For Remote Access Of UPnP

Xiaojian Gan, Haitao Wang, Ying Jiang, Xing Chen
In order to solve the digital home media sharing problems between devices and do some research on UPnP and UPnP AV protocol architecture and then design and implement media sharing system based on embedded intelligent terminal. For smart phones, portable tablet characteristics to achieve a single control...

Theme Correlation algorithm based on the domain ontology in the Vertical search engine

Mingshan Xie, Yanfang Deng
Vertical search engine research, more and more .subject-oriented vertical search has become one of the hotspots. This paper presents an ontology judgment theme relevance judgments algorithm, combined with Semantic Web technology with traditional information retrieval technology, and referenced by user’s...

Effect of rare earth element Gd on the mechanical Properties of AZ91D alloy

Yan Xiang, Jin Liang, Hong Xia Liu, Xiao Lian Zhang
The magnesium alloys with rare earth element Gd were prepared by induction melting furnace. Influences of Gd on the microstructure and mechanical properties of AZ91D were investigated. The results showed that addition of Gd to AZ91D alloy could refine the microstructure including primary -Mg phase and...

Roof Greening Study Based on the Urban Sustainable Development

Ruiqi Cao
In recent years, with the rapid development of the urban construction and the sharpening of the conflicts on urban land use,it has become the main topic that cities have potentials for sustainable development. People are getting more and more focused on environmental construction,and roof greening is...

The study of appropriate technology for green transformation for existing public buildings — A Case Study of Nanjing

Ming-Hui Li, Xiao-Tong Feng, Yuan-Wei Cong
Site investigation and monitoring on public buildings in Nanjing, analyses on the status and existing problems. Put forward the objective and principle of green transformation, raised the appropriate greening technology reform and seismic strengthening technology. The energy consumption of buildings’...

Kinematic analysis on the serve technique of world’s elite tennis player Novak Djokovic

Tao Yang, Jihe Zhou, Jun Guo
Serve technique plays an important role in the tennis competition, and it’s an important way to score. In virtue of three-dimensional photograph analytical method, this research presents a kinematical analysis on key links of serve technique by Novak Djokovic, the champion of men's singles in 2014 China...

Comparative Study on Microwave Co-pyrolysis Products of Low-Rank Coal under CH4 and N2 Atmosphere

Jun Zhou, Zhe Yang, Lei Wu, Qiuli Zhang, Xiangyang Chen, Xicheng Zhao
Microwave pyrolysis is a new research method for deeply processing of low-rank coal. This paper conducted comparative study on microwave co-pyrolysis products of low-rank coal under CH4 and N2 atmosphere, respectively. The composition and content of tar and bluecoke were analyzed by gas chromatography-mass...

Study of Fitting Models on Moisture Sorption Isotherms of Profiled Polyester Fabric

Hongru Liu, Shangping Wu
In this paper, the moisture sorption isotherms were measured of the profiled polyester (trefoil-shaped) fabric at different temperature and relative humidity, the influence of the temperature, relative humidity were summarized, and three kinds of commonly were used empirical models of moisture sorption...

Preparation and Properties of Sweat-gland Type High Temperature Self-lubricating Metal Ceramic Preform

Tian Tian Han, Yan Jun Wang, Shou Ren Wang, Shu Long Li
A compound pore forming agent which can be decomposed constantly in sintering process was designed and prepared. A new cermet sinter was developed by adding the compound pore forming agent into the TiC/M2 matrix material. The influences of content of TiC, sintering temperature and pore forming agent...

Solvent extraction of iron (III) from chloride acid solutions by decanol

Xuehua Mao
The solvent extraction of iron ( ) from acidic chloride solutions by decanol in kerosene has been investigated. The solvent extraction results demonstrated that the dissolved iron was present as HFeCl4.2Decanol. Extraction of iron ( ) increased with increased hydrochloric acid concentration in the aqueous...

Effect of Magnesium on Biomineralization of Bone

Zhaolong Huang, Shaoping Feng, Ying Feng, Mengshu Lai, Yan Jiang, Ruiming Xiao, Lida Sun
The phosphorus content, molar radio of calcium and phosphorus and the effects of magnesium on calcium content in chicken bones were studied, comparing with different three groups which was fed with magnesium salt. The result showed that calcium content and phosphorus content of experimental groups have...

Synthesis and biological evaluation of the novel antitumor agent 3'-monosubstituted chalcone derivatives

Luyao Wang, Hongye Zhao, Dan Wu, Long Qin, Yuou Teng, Kui Lu
Seven novel 3'-mono-substituted chalcone derivatives were synthesized from 2,4-dihydroxyacetophenone in 4 steps in 18-31% overall yield. Their structures were confirmed by 1H NMR. The anticancer activity of these new target compounds (4~10) against human leukemia K562 cells were evaluated by MTT assay...

Crumb Rubber Concrete Deterioration Caused by Sulphate Attack

Jinhua Xu, Sili Chen, He Yu, Ying Wang
An exhaustive study should be carried on Crumb Rubber Concrete deterioration caused by sulphate attack in this paper. the crumbed tire rubber powder were used to replace fine aggregates of concrete, whose grain size is 0.28mm. The replacement levels were 5%, 10%, 15% and 20 % by volume of the fine aggregates....

Computer Simulation and Analysis of Curl Mechanism for Cold Rolled Steel Strip

Peng Zeng, Jiangang Yi, Li Zhao
Curl mechanism in cold rolled steel strip coiler is the key part for strip curling. This paper established the 3D model of cold rolled steel strip coiler. Based on it, the structure of the curl mechanism is designed and analyzed. The stress distribution of the drum and the drum shaft in the curl mechanism...

The orthogonal experiment research on premixed wet mortar

Hengchun Zhang, Xixian Ji, Xiaoqing Zheng, Kaibo Zou, Changwen Zhang
As a new kind of environmental protection building material, premixed wet mortar possesses a wide application prospect. The technical difficulty is to maintain the workability of premixed wet mortar as long as construction required setting time by choosing suitable raw materials and mix proportion. In...

Simultaneous Determination of Six Preservatives in Beverage by HPLC

Shuxiang Sun, Shubai Li, Pei Yao
In this study, The aim is to establish the determination method for six preservatives of Benzoic acid, Sorbic acid and four para-hydroxybenzoic acid esters (methyl p-hydroxybenzoate, ethyl p-hydroxybenzoate, propyl p-hydroxybenzoate, butyl p-hydroxybenzoate) in beverage by high performance liquid chromatography(HPLC)...

The modification of EVA resins for photovoltaic encapsulants

Weilu Zhang, Yajie Kong, Zhimin Qi, Dong Zhang, Jie Ren, Xiangji Jiang, Xuemei Zhou, Huaidong Jin
The ordinary poly(ethylene vinyl acetate) (EVA) resin can’t meet the requirements of encapsulating photovoltaic (PV) modules, so the service life of them has not been prolonged for 25 years. The chemical modifications of EVA were studied in this paper to improve the properties of PV encapsulants. It...

Mechanical properties of individual ZnO nanowire tested via nanoprobe system

Yu Zhou, Jun Cao, Jing Li, Chaorong Li
The individual ZnO nanowire was prepared through thermal evaporation of ZnO powder. A new test platform which contained the micromanipulator nanoprobe system installed in the scanning electron microscopy (SEM) chamber was introduced for the test of the mechanical properties of individual ZnO nanowire....

Computer Modal Analysis of Rotating Machinery under Complex Conditions

Jiangang Yi, Qianpeng Han
Due to the influence of the working environment, there is always unbalance fault in rotating machinery which is difficult to detect by sensors. In order to solve this problem, the unbalanced rotor model is established by using modal analysis theory in this paper. The first six mode shapes of the simulated...

Tensile behavior and deformation mechanism of secondary generation single crystal superalloy DD6 at 1070 C

Jian Yu, Jiarong Li, Shizhong Liu, Mei Han, Zhenxue Shi
The tensile behavior of secondary general single crystal superalloy DD6 with low Re was investigated at 1070 C. In this study, orientation of the specimens was selected along the [001] direction and the evolution of microstructure and dislocation configurations were analyzed by SEM and TEM in detail....

The portable proton exchange membrane fuel cell’s forced convection and cooling

Shimei Sun, Xinyu Zhang, Lei Feng
The low- power and portable proton exchange membrane fuel cell has the features of quick start, high power density and efficient energy conversion. It is widely used in the small equipment’s power source devices. However, the characteristics of temperature change of proton exchange membrane fuel cell...

The Study on Suspension Velocity of Tobacco Fragment in Exhaust Hood of Tunnel-type Damping Machines

Yongxiang Zhao, Guangbo Zhang, Weixue Cao, Xue-Yi You
The suspension velocity of tobacco fragment is theoretically and numerically studied in tunnel-type damping machines. The movement of fragment tobacco is described by Euler-Lagrange theory. The proposed model is solved numerically, and the relationship of the shape, size and flow field of fragment tobacco...

The Low-pressure Casting Technology of aluminum alloy motor

Guoding Yuan, Hai Gu, Jianhua Sun, Zhufeng Li
Through the research on low-pressure casting, combined with structure of aluminum alloy, this paper introduces the typical system design of low pressure casting process, including the designs of feeding system and exhaust system. The control techniques of the process parameters which include filling...

Cu2O Nanocrystals: Study on Hydrothermal Morphology-Modulated Synthesis and Photodegradation of Organic Pollutants

Yanfeng Dai, Shaodian Shen, Dongsen Mao, Guanzhong Lu
We report a facile method for the synthesis of cuprous oxide nanocrystals with three different structure. High surface roughness spheres, self-assembly layered Cubic and snowflake nanocrystals can be synthesized directly by hydrothermal method. F127, CTAB and EDTA was used to be a precise control of...

EXPERIMENTAL STUDY ON NOISE IDENTIFICATION OF MINIBUS REAR DRIVING AXLE WITH SOUND INTENSITY TECHNIQUE

Dequan Jin, Wuwei Chen, Huibin Li, Yue Zhang
Firstly, based on the theories and methods of acoustic intensity measurement, the surface radiation noise of the rear driving axle of minibus was tested in the bench experiment. With the analysis of the experiment data, sound power was calculated to plot the noise distribution of the rear driving axle....

A correlation analysis algorithm about index in Power grid planning

Yangjun Liu, Qingxin Wang, Jiaman Ding
Currently,decision scheme often ignores the correlations among the indexes,which will not only make calculation more complicated , but also affect the accuracy of decision-making, even cause huge economic losses. It is unreasonable that it assumed independent irrelevance in information fusion of the...

Microscopic Pore Structural Characteristics in Coal Particles

Xiaoyong He, Zhe Zhang
In order to investigate the internal pore structure of coal, the adsorption isotherms of coal particles with different sizes were measured using the Quantachrome Autosorb iQ specific surface area and pore size analyzer. The pore characteristic parameters obtained were analyzed including the specific...

Free vibration of laminated composite plates by the various shear deformation theories

Song Xiang, Chun Lu, Ji Wang, Wei-Ping Zhao
In this paper, the analysis of various higher-order shear deformation theories for the free vibration of laminated composite plates is presented. A Navier-type analytical method was used to solve the governing differential equations. Natural frequencies of simply supported laminated composite plates...

Dilatometric Analysis of Phase Fractions during Austenite Decomposition in Pipeline Steel

Ye-Jin Yang, Jian-Xun Fu, Ren-Jie Zhao, Yan-Xin Wu
Dilatometry is one of the most popular methods for the study of high temperature physical properties of steel and thermal expansion is considered to be an important factor concerning on the crack formation during casting and rolling for pipeline steel. In the present study, dilatometric curve of X60...

Characterization the rheology behavior of modified skim rubber

Linghong Zhang, Tianming Gao, Jiao Yang, Hongxing Gui, Ke Chen, Maofang Huang
Test of the rheology behavior for modified skim rubber (MSR) were carried out with rubber processing analyzer (RPA), and mooney viscosity were carried out with Mooney Viscometer. The results showed that mooney viscosity of MSR is lower than skim rubber, and it is higher than SCR-5 (Chinese Standard Rubber-5)....

Comprehensive Improvement Technology Research on Marine Shot Blasting Machine

Junlai Li, Yonghe Xie
The number of impeller head is short in the original shot blasting machine, and the distance between the pretreatment of steel plate is too far to have enough rust removal ability. Based on these problems, researchers respectively added one impeller head both on the top and bottom of the machine, shortened...

The Investigation Status Quo of the Environmental and Free-cutting Brass

Xiaojuan Wang, Ruiqing Liu
The Lead brass is used in various fields of machinery manufaeturing widely because of its superior performanee,easy molding cutting and ability corrosion resistanee.However,the lead is harmful in the environment.The purpose of this research is to produce a kind of environmental and free-cutting brass,which...

Preparation and impact properties of ES-U3160/5284 composites by RTM process

Li Yan, Xuefeng An
The ES-U3160 reinforced fabrics with toughening function were prepared by carrying the Ex-situ elasticizer polyethersulphone homogeneously on reinforced fabrics according to Ex-situ toughening technology. ES-U3160/5284 CF reinforced epoxy resin matrix composites were prepared by RTM process taking ES-U3160...

The preparation of TiB2 powder by carbothermal reaction using a DC electric arc furnance

Kuanhe Li, Shuchen Sun, Xiaoxiao Huang, Shuaidan Lu, Xiaoping Zhu, Gangfeng Tu
The method of carbothermal reaction is used to prepare titanium boride (TiB2) in a DC electric arc furnance by using a powder mixture of TiO2, H2BO3 and C. The initial product is milled and the impurities are removed by pickling and reverse flotation. The final TiB2 powder with a purity of over 99% can...

Photo-induced intra-molecular energy transfer of tetra-{3,5-di-(4-nitro benzyloxy) benzyloxy} zinc (II) phthalocyanine

Zhenzhen Chen, Keqin Wu, Junri Wen, Hongqin Yang, Yiru Peng
The photophysical properties of a novel dendrimer tetra-{3,5-di-(4-nitro benzyloxy) benzyloxy} zinc phthalocyanine (DZnPc) was studied by steady-state, time-resolved fluorescence and UV/Vis spectroscopy. DZnPc mainly existed as a monomer in DMF. Intra-molecular energy could be transferred from peripheral...

Evolution of adiabatic shear bands in zirconium alloy under dynamic deformation

Dong Li Zou, Li Feng He, Da Wu Xiao
Evolution of adiabatic shear bands in zirconium alloy under dynamic deformation was investigated by means of split Hopkinson pressure bar impacted at different strains and strain rates. The results show that adiabatic shear bands were the main plastic deformation mechanism of zirconium alloy subjected...

Web robot detection with semi-supervised learning method

Dong Wang, Lei Xi, Hui Zhang, Hebing Liu, Hao Zhang, Ting Song
Web robot is an automated information gathering program that has brought a lot of problems such as information leakage, resource occupation and network security threaten. It is necessary to effectively detect and control the web access comes from web robots. Summarizes the existing categories of web...

A Secure Scheme for Wireless Sensor Networks Based on Grids and A bilinear Map

Yuquan Zhang, Lei Wei
A WSNs(wireless sensor networks) secure strategy is presented by dividing sensing square into grids and utilizing a bilinear map methodology in this paper. Both ordinary sensor nodes and heterogeneous sensor nodes are dispersed in whole sensing area. All those sensor nodes establish their communication...