bluuebunny/crossref_metadata_2025 huggingface dataset:
Hyperparameter Estimation Based on Gaussian Process and its Application in Injection Molding
Authors: Ma Jun Yan , Liao Xiao Ping , Xia Wei , Yan Xue Lian
Published: September 2011

As a powerful modeling tool, Gaussian process (GP) employs a Bayesian statistics approach and adopts a highly nonlinear regression technique for general scientific and engineering tasks. In the first step of constructing Gaussian process model is to estimate the best value of the hyperparameter which turned to be used in the second step where a satisfactory nonlinear model was fitted. In this paper, a modified Wolfe line search approach for hyperparameters estimation by maximizing the marginal likelihood based on conjugate gradient method is proposed. And then we analyze parameter correlation according to the value of hyperparameters to control the warpage which is a main defect for a thin shell structure part in injection molding.
Adsorption Characteristics of Superplasticizer with Waste Plexiglas (WPS) onto Cement Particle Surface
Authors: Zheng Gang , Wang Ru Min , Zhao Gao Yang , Yu Zhong
Published: September 2011

In this study, by using UV-visible adsorption spectrophotometer, ζ-potential analyzer and X-ray photo spectroscopy, the adsorption characteristics and surface electrochemical properties of WPS were studied in comparison with traditional naphthalene sulfonated formaldehyde condensates (FDN) whose dispersion ability mainly depends on electrostatic repulsive forces. WPS was prepared through free radical copolymerization in self-Single screw reactive extruder and synthesized from waste plexiglas and vinyl monomers by way of special extrusion modification. The results show that the adsorption of WPS and FDN on cement particle surface approximately conforms to Langmuir’s adsorption isotherm. The adsorption of WPS belongs to physical adsorption and its saturated adsorbed quantity was 5.38mg/g. When the dosage of WPS was 1 wt.% of cement, the thickness of the adsorption layer on the surface of cement particles was 61.2 nm. The ζ-potential of cement particle with WPS changed from positive (15 mV) to negative (-64.74mV) with its concentration increasing from 0 to 20 g/L and decreased from -65.19 to-39.82 mV (reducing by 38.9%) with its concentration of 10 g/L within 60 h.
Design and Research of Slotting Modification Profile for High-Speed and Heavy-Loading Marine Gear
Authors: Chen Cong Gui , Hu Liang Bin , Yuan Feng Wei , Hu Yao Bin
Published: September 2011

According to the requirements of dynamic design for high-speed and heavy-loading marine gear, in view of slotting processing advantages, modification profile slotting cutter used to achieve modify high-speed and heavy-loading marine gear, and the modification profile of slotting cutter designed to the profile which consists of multiple segments of different profile shape profile angle, the modification profile angles of slotting cutter corresponding sections of involutes deduced using the profile angle error analysis theory, modification profile of slotting cutter precision designed based on engagement principle of slotting gear.
Slotting Profile Modification Technology and Generating Simulation’s MATLAB Implementation for Heavy-Loading Mine Gear
Authors: Hu Liang Bin , Li Sheng , Yuan Feng Wei , Li Bi Wen , Chen Cong Gui
Published: September 2011

Slotting process used to achieve modify heavy-loading mine gear.According to the pitch circle radius of gear tooth profile modification is difficult to accurately draw, reverse-designed the profile of the modification slotting cutter fold may occur on the cusp, generating simulation for slotting profile modification is implemented using MATLAB based on engagement theory of slotting process,which can test whether the pitch circle is set to reasonable, to avoid resulting the top or root of conjugate gear’s profiles be cut,achieved the adaptive design of profile modification slotting cutter.
Research for Tooth Profile Modification Technology and Slotting Process
Authors: Chen Cong Gui , Hu Liang Bin , Hu Yao Bin , Li Sheng
Published: September 2011

The development status of profile modification technology and slotting process are described, the paper proposed slotting profile modification process, in view of the advantages of slotting processing. The modification curve of modification gear is fitted in the form of multi-segment involutes by resembling the principle of tooth profile modification on the grinding machine by using generating principles and changing the pressure angle, the formula of modification pressure angles of slotting cutter corresponding sections of involutes deduced,the modification profile of slotting cutter is designed.
Trajectory Designing and Realizing for the Variable Structure Motorcycle Helmet
Authors: Geng Ai Nong , Li Xin Mo , Xie Yu Xing
Published: September 2011

A new type of variable structure motorcycle helmet is proposed in this paper, in which that the helmet’s chin-guard can be transformed between the full-helmet status and the half-helmet status as needed. The helmet creatively adopts double movement nails and double track grooves to constraint the chin-guard movement according to the predetermined trajectory, and thus smoothly accomplishing the chin-guard’s lifting, climbing, passing zenith, falling and closing in the helmet shell. The paper introduces the chin-guard’s trajectory planning principles, realizing methods and designing steps, and then gives a design case for the constraint slot tracks in detail. The results show that the new type helmet can reliably realize helmet structure conversion between full-helmet and half-helmet and fully meets the design requirements.
Numerical Simulation of Welding Distortion under Different Sequences
Authors: Liu Yang , Wang Dong Po , Zhang Hai
Published: September 2011

Finite element software ANSYS was used to study the influence of welding sequences on the distortion generated in the welding process of a Q345 plate with V-groove. The simulation of the welding process consists of sequentially coupled thermal and structural analyses using element birth and death technique. The results show that the backstep welding makes the distortion decrease. But back welding with too many steps makes the distortion increase. For a structure, the most reasonable number of steps can be found.
Simulation Model of Traction Systems for CRH2 EMU Based on PSCAD/EMTDC
Authors: Ma Fa Yun , Li Hua Wei , Han Bing Guang , Xu Jian Zhong
Published: September 2011

The high-speed railway based on electromechanical integration develops rapidly in China in recent years. In order to improve research for electrified railway, a model of AC-DC-AC electric locomotive is established using electro- magnetic transient software PSCAD/EMTDC. In this paper, a single-phase tri-level rectifier of unit power factor and its control strategy of direct transient current control method are introduced at first. And then the working principles of the voltage space vector control strategy of inverter and the vector control strategy of cage motors are analyzed. The inverter and the motors must be as a whole because of the realization of motor vector control based on SVPWM inverter. At last, a model is established and the correctness and effectiveness of the model can be verified by the corresponding theory results. The simulation model is useful for the analysis of low frequency resonance in locomotives. The results will be applied in the research of mechanics and electric coupling in high speed electrified railway.
Hazardous Chemicals Transportation Risk Control Based on Goal Programming
Authors: Liu Li Ping , Fan Ti Jun , Xia Hai Yang
Published: September 2011

This paper research on how hazardous chemicals transportation provider optimal transportation solution supposed transportation risk (i.e. releasing of chlorine) may happen in the process of transportation. If the government attaches much importance to environment protection and pushes severe punishment on environment pollution, the hazardous chemicals transportation provider should consider two goals together: minimizing the individual transportation cost and minimizing the social transportation cost. Then this paper develops a goal programming model which contains two goals for the problem. Which goal is important will affect the objective function of this model. Through discussion on importance compare of two goals, this paper believes that government policy is very important to inspirit hazardous chemicals transportation providers complying with laws and protecting environment.
Study on Information System of Rolling Mill Equipments Management Based on Web
Authors: Tang Yong Hui , Zhang Hong Ying , Lin Guo Xiang
Published: September 2011

This paper studies on the design methods and key technologies of the system of rolling mill equipments management based on Web, in accordance with the the practical needs. This system adopted B/S as its structure, while developing software for rolling mill equipments management on the platform of Microsoft Visual Studio.NET. The system uses a three-tier hierarchical structure: User layer, Web Server layer and Database server layer. User layer refers to the user through the browser to complete the system remote services and information sharing. Web server layer is the link to contact the browser and the database, and used to store system function modular and application program. Database server layer is mainly used to store various data required for the system after being put into practice for a period, the efficiency of maintenance and management of rolling mill equipments has been increased obviously, thus the method can be used in the maintenance of rolling mill equipments.
Design of Injection and Recycling Integrated System Used in the Strengthening and Polishing of Bearing Ring
Authors: Li Wen Xiong , Liu Xiao Chu , Liu Chuan Jian , Wang Hao , Ou Ya Fei
Published: September 2011

Through the discussion of the design studies of the injection system belongs to the device of bearing strengthening and polishing, a design of jet and recycling integrated system for the abrasive materials is proposed, during which the defect of traditional injection device is overcomed, the periodic duty of the strengthen strengthening and polishing material injection is achieved, and the bearing strengthening and polishing efficiency is greatly raised, the structural design and the calculation of essential parameter of the injection movement are also given .
A Simple Closure Device of Isolating Explosion Switch
Authors: Zhang Wei Guo , Li Peng , Ge Wen Hang
Published: September 2011

Currently, the power supply and control equipment of China’ coal are widely used flameproof. Although it play a very important role in the production, because of the deficient of its structure and technical when workers in illegal operations it can’t timely cut off the power and in all probability produce electric spark that can cause a serious gas explosion accidents. This paper gives a brief introduction of closure device of the small isolate explosion switch which can automatically cut off the power when the workers in illegal operations. Thus it can fully guarantee the switch won’t produce electric spark whenever the workers in illegal operations.
Research and Development on Miniature Teaching Computer Numerical Control Lathe Machine
Authors: Zhang Hai Yun , Zhao Yu Gang , Zhao Guo Yong , Li Yan Rong , Sima Zhong Wen
Published: September 2011

An open double coordinates computer numerical control (CNC) system was developed, which was based on PC and PMAC motion controller card. A miniature and teaching CNC lathe machine was developed with a simple structure, low cost, small volume and suitability for teaching. The CNC system had the advantages of 2-axis linkage, program editing, manual operation, inching operation, simulation processing operation, automatic operation and dynamic display of the tracing. The system was based on the Windows XP platform. Its interface was friendly and it was convenient to manipulate.
Research on Quality Control Flows and Techniques of Software Project Management
Authors: Ren Yong Chang , Jiang De Yi , Xing Tao , Zhu Ping
Published: September 2011

Software project quality management is the important work throughout the entire software life cycle, the effective implementation of software product quality control is an important means of improving software quality and reducing the cost. For the difficulty of quality control, research the control flows and techniques. First, describe the quality control process including prior quality control, matter quality control and afterwards quality control. Then, research the quality control flows through graphs. Finally, by combining graphs and textual descriptions to research quality control techniques, including four commonly used techniques such as cause-effect diagram, Pareto diagram, control chart and run chart. The results show that, through the study of quality control flows and techniques provide techniques and methods to support quality control and improve the science of quality management.
Influence of Pulsed-DC Power Frequency on Mechanical Properties and High Speed Drilling Application of a-C:H:Zr-x Coatings
Authors: Kao Wen Hsien , Su Yean Liang , Yao Sun Hui , Liu S.H.
Published: September 2011

The a-C:H:Zr-x coatings are deposited on micro-drills using a closed field unbalanced magnetron (CFUBM) sputtering system with pulsed-DC power frequencies in the range 30 kHz to 110 kHz (the x in the term a-C:H:Zr-x is the frequency varied in the deposition process). The hardness of the various coatings is systematically explored. Additionally, the machining performance of the coated micro-drills is investigated by conducting high-speed through-hole drilling tests utilizing Printed Circuit Board (PCB) specimens. The experimental results reveal that the a-C:H:Zr-70 coating has the highest hardness (42 GPa), while the a-C:H:Zr-110 coating has the lowest hardness (26 GPa). In addition, it is shown that the a-C:H:Zr-70 coating increases the life of the micro-drill by a factor of three compared to that of an uncoated micro-drill.
Sensitivity Analysis of Magnetic Abrasive Finishing Process Parameters
Authors: Chang Fu Ming , Tsai Tung Hsien , Chiang Sheng Han
Published: September 2011

This paper integrates machine center cutting process and magnetic abrasive finishing(MAF) producing a combined process that improves the magnetic abrasive loss rate(MALR) and roughness(Ra) of aluminum alloy 6061-T6 with ladder shape of different height. The present study shows the features of the development with mathematical model based on response surface methodology (RSM) for correlating the interactive and second order influences of major machining parameters such as different size and shape abrasive of stainless, spindle speed, tool and workpiece gap, feed speed, respectively. The experiments design, regression analysis and analysis of variance are used to develop the relationships between process parameters (abrasive size, spindle speed, tool and workpiece gap, feed speed) and responses (MALR and Ra) in MAF process. Sensitivity analysis has also been carried out using developed empirical equations. The results shows that developed mathematical models can be applied to estimate the effectiveness of process parameters for MALR and Ra with a change of spindle speed affects the MALR more strongly than Ra relatively compare to other parameters.
Study on Surface Parameters of Asperity Flattening in Sliding Contact for Metallic Thin Film on Die Material during Metal Forming
Authors: Yang Tung Sheng , Li Shuai Qiang , Chang Sheng Yi
Published: September 2011

This study applies the finite element method (FEM) in conjunction with an abductive network to predict the workpiece surface parameters, including contact area ratio, surface roughness, skewness and kurtosis, of asperity flattening in sliding contact for metallic thin film on die material during the metal forming process. Contact area ratio, surface roughness, skewness and kurtosis are investigated for different process and material parameters, such as sliding distance, elastic modulus of film, normal pressure and bulk strain rate by finite element analysis. The abductive network is then utilized to synthesize the data sets obtained from numerical simulations, and the prediction model is established for predicting surface parameters. The predicted results of the surface parameters from the prediction model are in good agreement with the results obtained from the FEM simulation of workpiece asperity flattening in sliding contact for metallic thin film on die material.
Study of Vibration Fault Diagnosis on TRT
Authors: Zheng Wen , Wei Xie Ben
Published: September 2011

TRT unit is very important mechanical equipment in steel industry. It not only embodies in saving energy utilization of blast furnace gas, but also can stabilize a top pressure, reduce smelted fluctuation, and make the blast furnace more stable. Therefor, to implement TRT unit vibration monitoring and fault diagnosis is quite necessary. The vibration fault diagnosis of TRT is researched on this paper. Virtual instrument, modern signal detection and analysis technique, order analysis as well as the high-speed rotor dynamic balance technology are studied on TRT unit. At present, lots of enterprises use the vibration signal detection to ensure the safe running of the equipment and promptly eliminate the hidden danger. It has a great effect on research of TRT fault diagnosis system and security of the safe operation on TRT units.
The Development of Embedded Rotating Machine Fault Diagnosis System Based on Qt/Embedded
Authors: Zhou Ze Min , Zhang Chun Liang , Xiong Yue Hua
Published: September 2011

As the constantly growth of embedded Technology, embedded products put into use in almost everywhere around our life. This paper mainly introduce how to set up the Qt/Embedded Cross-compiling environment in Linux system platform, and the development and transplant of embedded fault diagnosis system use development tools of Qt/Embedded. This system achieve those functions, including fault display, signal analysis, diagnostic model training and data storage or transmittal, by graphical interfaces designing and performance function addition. And finally create the application document which applies to ARM framework embedded processor by Cross-compiling. In the end, the application document is transplanted and run in the target platform, and testing the diagnosis effects.
Traffic Survey System Based on GPS, GPRS and GIS
Authors: Yuan Yuan , Liu Zhi Yong , Xiang Huai Kun , Ding Ze Feng
Published: September 2011

Referring to research findings of existing traffic survey instrument, this paper bases on electronic traffic survey counter to insert GPRS module, micro-program controller, vehicle type selection keyboard and direction selection keyboard, and utilizes computer technology to establish data processing platform, studies and designs the traffic survey system on the basis of GPS, GPRS and GIS. This system can realize real-time monitoring on surveyors, accurate and timely transmission and processing of survey data, and automatic analysis and management of survey data.
Correction for Classical Theory of Yarn Cross-Section Shape in Woven Fabric
Authors: Yang Lian He , Yu Ya Juan , Liu Wei Xin
Published: September 2011

The cross-section of yarn in plain woven fabric has always been viewed as an invariable shape by academe. However, with visualization technology, problems in the classical model are exposed based on traditional convex model, and when solving the problems with calculus, the rule of yarn cross-section deformation is found. The results show the diversity of yarn cross-section shape in both one-layer and multi-layer woven fabric, instead of unitarity, especially for warps weaving multi-layer wefts, whose convex cross-section alternates with concave one periodically in length. The results take exception to “invariant cross-section assumption” and have theoretical value and guidance for the real shape of yarns and the simulation of fabric appearance.
Analysis of Color Symbology Focused on Folk Costume Colors in Northern and Southern Regions of China during Republic Period
Authors: Qi Yan , Fan Xue Rong , Cui Rong Rong , Wang Qiang
Published: September 2011

Costume Color Samples from the Rural Areas in Northern and Southern Regions of China during the Republic Period Were Collected, Measured with a Spectrophotometer, and the Symbolization of Colors as Cultural Codes Were Analyzed by the Q-model. the Results Show that Red,Blue and Black which Are Included in the Traditional Five Colors System Are More Frequently-used Colors in the Northern Region, and Dark Grayish Blue and Black Are More Significant Colors of High Frequency in the Southern Region. these Colors All Acted as Cultural Codes with Cultural Significance. this Paper Furthers Understanding of Color Symbology from Perspective of Cultural Semiotics Focused on Folk Costume Colors.
Surface Deposition of Chitosan on Wool Substrate by Electrospraying
Authors: Islam Saniyat , Jadhav Amit , Fang Jian , Arnold Lyndon , Wang Li Jing , Padhye Ra Jiv , Wang Xun Gai , Lin Tong
Published: September 2011

Electrospraying or electrohydrodynamic spraying is a technique of liquid atomisation by utilising electrical forces. In the electrospraying technique, the liquid at the outlet of a nozzle is subjected to an electrical shear stress by maintaining the nozzle at high electric potential. This produces a fine mist of extremely small and in some cases down to nanometer size droplets. The charge and size of the droplets can be controlled by adjusting the flow rate and voltage applied to the nozzle. Extending the scope of electrospraying, textile substrates can be coated with suitable polymer solution to enhance the surface functionalisation. This paper highlights the deposition of chitosan on wool subtrates using elctrospraying and its potential application in medical textiles.
Weave Structures Effect on the Shear Deformation of Annular Shaped Woven Fabrics
Authors: Chen He Chun , Guo Xing Feng
Published: September 2011

The annular woven shaped fabrics are woven on ordinary weaving frames, and equally distributed long and short wefts in the fabric, which can make the whole fabric has equal weft density. Though the fabric is woven on ordinary weaving frame, the batch roller is cone frustum, not cylinder. When batching the annular shaped woven fabric, the share deformation happens. In this paper, adopted plain weave and twill weave to weave the shaped fabric, and contrast the shear deformation between the two weaves. The result shows that the woven fabric with twill weave is softer, and easy to reach deformation balance in the process of weaving, so the woven fabrics with twill weave have more equal weft density and more flatten.
The Application Study of the Fabric Reconstruction in the Design of Home Textiles
Authors: Su Miao
Published: September 2011

Fabric reconstruction is to redesign the artistic effect of fabrics. The paper centers on the materials and design technique of fabric reconstruction in the home textile design, and explores the diversity and artistic effect of fabric reconstruction using the related design practice as evidence in order to provide the reference to the creative design and study of home textiles.
Effect of a Hydrophobic Finishing on Moisture Management Performance of Cotton Fabric
Authors: He Tian Hong , Yao Jin Bo , Chen Su Ying
Published: September 2011

Moisture transfer properties in fabric are critical to determine the thermal and sensorial comfort. Cotton fabric possesses many desirable characteristics that contribute to clothing comfort. However, in hot and wet environment or during some activities that human perspiration occurs, high absorbency of cotton makes its use undesirable. In this study, a chemical finishing method is developed to increase liquid moisture transfer properties on cotton fabric or clothing. The moisture management properties of the finished fabric or clothing were evaluated by using moisture management tester. Further wear trials were conducted to verify the comfort feeling toward finished area and unfinished area, which showed that this technique can effectively improve the overall comfort sensation especially during prolonged perspiration.
Combination Technology of Spunbond & Spunlace
Authors: Lu Zhi Min , Qian Xiao Ming
Published: September 2011

The combination technology of spunbond & spunlace were introduced briefly. The advantages of spunbond-spunlace process were emphasized particularly. Composite technology is a effective method to develop new nonwoven product. Advantages of spunbond and spunlace technique with strong union could be utilized to produce high-grade nonwoven products which have excellent performances and high additional value. Their superior performances and broad applications determined that it would have a very wide market prospect.
Characterization of Cotton Fabric Treated with a Si/P Flame Retardant
Authors: Wang Ran , Bai Yi Jin , Wang Xiao Chun , Wang Yan Qiu
Published: September 2011

A Si/P flame retardant was prepared using tetraethyl orthosilicate (TEOS) and phosphoric acid (H3PO4). Original cotton fabric, treated fabric and its charcoal were examined by FT-IR, SEM, and EDS. Results showed that the TEOS/H3PO4 flame retardant has little affect on the cotton chemical structure and the surface morphology of cotton fiber. Main absorption peaks of the charcoal in the FT-IR are attributed to the P-O-C and the Si-O-Si bonds. And the surface of the charcoal was covered with white particles. EDS illustrates Si-O-Si bonds form on the surface and exhibit white particles in the SEM image.
Application of Ionic Liquid in Silk Dyeing
Authors: Cheng De Hong
Published: September 2011

In this paper ionic liquid 1-butyl-3-methylimidazolium chloride (BmimCl) as accelerating agent was applied in silk dyeing and the dyeing performances of silk with ionic liquid were determined under different dyeing conditions. The obtained results indicated that the rate of dye uptake was about 85.4%, the K/S value was 11.2, breaking strength was 426 when 2 g silk was immersed in 60 ml dye solution, the concentration of ionic liquid was 2.0%, dyeing temperature was 50 °C and bath ratio was 1:30. Investigation on dyeing mechanism of silk with ionic liquid indicated that ionic liquid BmimCl interacted with amino acid in surface of silk and dyes through the electrostatic interaction between cation Bmim+ and the CO2- group of amino acid and SO3- group of dye in dyeing process.
Sorghum Red Pigment Dyeing Properties of Tencel Loose Fibre
Authors: He Zhi Peng , Wu Zan Min , Zhou Xiao Li
Published: September 2011

Dyeing of tencel loose fibre with sorghum red pigment as natural dyes has been studied. The values of dye uptake and fixation ratio have been calculated and disscussed. The effect of dyeing time, dyeing temperature, dye concentration and salt concentration were studied. Dye uptake and fixation ratio were high, and the fastness of dyed fibre were good.
Investigation of Ultraviolet Protection Properties of Cotton Fabric via Azoic Dyeing with Green Tea Extract
Authors: Punrattanasin Nattaya
Published: September 2011

Green tea dyeing of cotton fabric via azoic combination method was investigated in order to improve ultraviolet protection properties without the application of polutting metal mordants. Three types of diazonium salts were prepared from three different primary aromatic amines (aniline, p-nitroaniline and 2,4 dichoroaniline) and subsequently, reacted with pretreated cotton fabric with coupling component or polyphenolic compounds found in green tea extract to form an azo dye inside the cellulose matrix. The result showed that as the strength of electron withdrawing groups of the substituents in the primary aromatic amines increase, both color strength and ultraviolet protection factor (UPF) of dyed fabrics dramically increased.
The Application of Folkloric Textile Decorative Art to the Regional Character of the Hotel
Authors: Zhu Jin , Chen Yi Fan
Published: September 2011

The construction of the regionalism is not only affected the architecture space pattern, but also is closely related to the soft decoration art. This paper has analyzed the elements of the folkloric textile decorative art from the level of decoration pattern, color, material and technology. Taking decorative arts with regional characteristics as an example, the paper discusses how folkloric textile decorative art express the theme of the hotel and implicate the regional characteristics in symbolic elements and stylized language combined with the cultural history and folk custom in different areas. Meanwhile this paper summarizes approaches of creating regional character of modern hotel space. The adornment style should be determined according to the hotel orientation. The folkloric features should be strengthened in serialized designs to create the non-material artistic conception combined with other soft adornment.
Research of Wool-Like Modification of Polyester with Sodium Alginate
Authors: Min Liu , Tian Jun Ying , Liu Mei Yan
Published: September 2011

This paper mainly discusses the influence of sodium alginate to polyester fabric in the process of wool-like. Polyester is pre-treated by sodium alginate solution firstly, and then modified by caustic soda, at last, the sample is steamed in the saturated vapor. Wool-like effect changes along with the concentration of sodium alginate and caustic soda, steaming time are analyzed. The results show that wettability, warmth retention and fullness of wool-like fabric are improved obviously. So treated with sodium alginate and then caustic soda can give polyester fabric ideal wool-like effect.
Research on Improving the Properties of Wool Fabric with Low-Temperature Plasma
Authors: Qiao Yan Li , Yang Wen Fang , Zhang Qing Fu , Shen Xiao Xing
Published: September 2011

This paper discussed the influences of plasma processing time and power on wool fibers, the results showed that: after plasma treatment, the surface of the wool fibers occurred varying degrees of physical and chemical etching phenomenon, the wetting property was increased significantly, anti-shrinkage performance was improved. Breaking strength and elongation at fracture were increased; the beginning of dyeing properties and the balance rate were increased.
Research on Wearable Sensors Based on Knitted Fabrics with Silver Plating Fiber
Authors: Wang Jin Feng , Long Hair U
Published: September 2011

Two kinds of plain fabrics, made of silver plating yarn, were tested on conductivity under weft extension to investigate the relationships between tensile property and resistance. The results are following: the resistances of two kinds of fabrics have a linear relationship with strain within a definite range; the strain sensitivity of the inelastic plain fabric is smaller than that of the elastic plain fabric; the changes of contact resistance of the overlapped yarns cause the inelastic plain fabric sensitive to strain; when two kinds of fabrics were stretched repeatedly to simulate heartbeat signals, their resistance remained stable at a value. So they satisfy stability requirement.
Dyeing Research of Aramid Fiber-Nomex
Authors: Tan Yan Jun , Yu Yan E
Published: September 2011

Nomex has very high crystallization degree, the mindset degrees and chemical stability, which makes its dyeing highly difficult. In the presented investigation special auxiliaries were employed to enlarge Nomex molecular gaps in order to lower the Van der Waals forces between the members and make it much easier for the dyestuffs to penetrate the fiber. The dyeing rate was also promoted significantly.
The Treatment of Printing and Dyeing Wastewater by Using Coagulation and Fenton Reagent Oxidation Combined Process
Authors: Wang Li Ping , Guo Yu Chuan , Chen Yi Zhong , Du Er Deng , Mao Yong Jing
Published: September 2011

It is difficult to treat printing and dyeing wastewater, for printing and dying wastewater features complex composition, high chromaticity and many toxic substances.The paper studied the effect of the compound of inorganic and organic coagulant with Fenton reagent on the treatment of printing and dyeing wastewater. The effect of other factors were also investigated, including pH value, flocculants, Fenton reagent and reaction time. The results showed that, under the conditions of room temperature, pH 9, PAFCS dosage 100mg/L, PAMC 4mg/L, pH 4, H2O2 dosage 1.0mL/L, FeSO4•7H2O dosage 150 mg/L, the reaction time 60 min, the CODCr removal was high over 91%, and the color was also significantly removed.
Deepening Effect of Superfine Dyed Polyester by Escaping Electron-Beam Atmospheric Pressure Glow Discharge Plasma
Authors: Liu Ting Ting , Li Yong Qiang , Liu Jin Qiang , Meng Ling Jie
Published: September 2011

Surface modification of the dyed polyester was performed by the combination of escaping electron-beam atmospheric pressure glow discharge plasma (APGDP) and softener was studied. Apparent depth was tested and the morphological change along the fiber was observed and analyzed by scanning electron microscopy (SEM). Experimental results indicate that surfaces of the treated PET become rougher and have visible traces of etched, and the apparent depth are also significant increased. These results show that: deepening effect of PET is improved clearly and being a good durability.
Anti-Hairfalling Finishing of Rabbit Hair Knitted Fabrics
Authors: Liu Juan , Zhu Ruo Ying , Zhang Yi
Published: September 2011

The morphology of rabbit hair and wool were compared, results showed that rabbit hair was more fine and had more medulla component, imply easily to be damaged. Protease and two selfmade resins were used in order to reduce hair drops of rabbit hair knitted fabric in the study. Experiment results showed that the optimal concentration of protease was 1%(o.w.f) and the processing time was 40min. Treatment with two selfmade resins had evidently improve the anti-hairfalling with less damage to fiber, while the dosage of two selfmade resin finishes was 50g/l, the best effects of anti-hairfalling could been gain.
Comparison of the Cost Performance between Pure Cashmere Siro-Spun Yarn and Pure Rabbit Hair Ring-Spun Yarn
Authors: Liu Yue Ling , Sun Bu Kun
Published: September 2011

This paper systematically analysied and measured the main properties of the pure cashmere siro-spun yarn and pure rabbit hair ring-spun yarn, including the yarn evenness, thin and thick , neps, raw material nature, yarn strength, yarn hairiness, twist level, wearing resistance and etc. And the market price of yarn was also investigated. The model of the cost performance ratio was established to analyse the yarn properties scientifically. The results indicated that the pure rabbit hair yarn is better than the pure cashmere yarn. It provided the guidance suggestions and scientific basis for the manufacturers to improve the performance and reduce the cost price of the yarn.
Fabric Defects Detection Using Multi-Scale Wavelet and Locating
Authors: Jing Jun Feng , Li Hang , Li Peng Fei
Published: September 2011

In this paper, multi-scale wavelet edge detection approach is investigated for real time inspection of diversified fabric texture. Multi-scale edge detectors smooth the signal at various scales and detect sharp variations points from their first or second order derivative. The extreme values of the first derivative correspond to the zero crossings of the second derivative and to the inflection points of the smoothed signal. Quadtree decomposition of segmented defects shows pinpoint location of specific web flaw. Further, preliminary graphical user interface (GUI) was designed so as to facilitate operation. After integrate GUI with procedure, parameters material can be acquired, which is vital to applying the inspection system on industrial PC.
Reducing Yarn Hairiness in a Modified Ring Spinning Yarn Path by Various Offsets
Authors: Su Xu Zhong , Gao Wei Dong , Wu Ting Ting , Liu Xin Jin , Zhang Yun
Published: September 2011

Spinning triangle is a critical region in the spinning process of yarn. Its geometry influences the distribution of fiber tension in the spinning triangle and the properties of spun yarns, such as the yarn breakage and hairiness. In this paper, the relationships between the spinning angle and yarn properties especially the yarn hairiness were investigated under various horizontal offsets. The properties of spun yarns produced by the modified system were evaluated and analyzed. Both left diagonal and right diagonal yarn arrangements were examined. The results indicate that the right diagonal yarn path leads to reduce yarn hairiness but the left diagonal yarn path leads to increase yarn hairiness; the breaking force of yarn changes little; yarn evenness deteriorates slightly with the changes of offset.
Quasistatic Model for the Symmetrical Ring Spinning Triangle
Authors: Liu Xin Jin , Su Xu Zhong , Wu Ting Ting
Published: September 2011

In this paper, theoretical model of the distribution of fiber tension in the symmetrical spinning triangle was given firstly. Then, based on the force balance of the twisting point, the quasistatic model for the symmetrical ring spinning triangle was present. It is shown that the convergence point can be determined with ease for different spinning tension, torsion moment, the numbers of fibers at the roller nip, the fiber tensile Young’s modulus and cross-section, and the width of the spinning triangle.
The Researchment of Knitted Antifouling Fabrics and the Splicing Design on Leather Garment
Authors: Deng Hong Tao
Published: September 2011

The garments splicing together the knitted and leather are main products in leather garment market in recent years. In view of the reflection of terminal market, the contradiction between washing and maintainance method of knitted and leather fabrics and undesirability of splicing design are the main factor that influence promotion of products. Through the antifouling treatment of the knitted fabrics, it make them have the function of waterproofness, oilproofness and antifouling;Splicing knitted fabrics on the parts that are easy to wearn out and easy to be restained, and other parts that impact comfort and produce esthetic fatigue on the leather garments, it meet the multivarient need of consumers’ comfort and fashion more. On this basis, Taking integrative consideration of combinative match，stitching technics splicing design, splicing reasonablity of fabrics and garments style, it initially form theoretical basis of splicing design of antifouling knitted fabric on leather garment.
Study on Improvement of Manufacturing Cycle Effectiveness of Apparel Vendor - Case Study of Order Scheduling and Batch Feeding manegement and Control
Authors: Yang Cheng , Yang Yi Xiong , Qi Wen Nan
Published: September 2011

With the structural adjustment and industry transformation of the domestic apparel enterprises, as well as the rise of fast fashion, apparel manufacturing cycle time reduction and on time delivery rate have become performance indicators for brand enterprises to choose apparel vendors. In this paper, jeans processing factory is taken as a case study of apparel vendor. The improvement of production order scheduling and reasonable batch feeding process is analyzed to provide feasible programs for apparel vendors to achieve shorter manufacturing cycle, on time delivery and throughput increase.
Application of Pattern Recognition System in the Automatic Generation Pattern Technology
Authors: Qiu Li , Chen Xiao Dong
Published: September 2011

The apparel CAD intelligence is one development direction for apparel CAD technology. Automatic generation of apparel pattern technology is the embodiment of apparel CAD intelligence. This study applied pattern recognition system into the automatic generation pattern technology for the purpose that the according apparel structure chart will be generated directly under the premise of being given the apparel pattern pictures. That is to say, to achieve automatic generation of sample plates. Sophisticated application of this technology will improve the design efficiency which can adapt to the needs of modern apparel industry development.
Comparative Analyses between Consumers’ Actual and Targeted Transaction of Menswear Based on Taobao E-Business
Authors: Wang Xue Qin , Chen Ming Hui , Zhang Ai Dan
Published: September 2011

This paper introduces two aspects of menswear B2C e-business, i.e. the consumers’ actual-transaction and targeted-transaction. Circumstances of both aspects were researched by online questionnaires and data from Taobao, in order to check if there are some deviations between them and further analyze the detailed difference, reasons, and potential impacts which caused the deviations. Aiming at improving the circumstances of the deviations between target market and real market based on Taobao menswear, the paper gives some practical suggestions, such as online 3D garment system, establishing a database of products and features, improving the credit rating system, and increasing efforts of network marketing.
Redesigning the Apparel Product Development Process Based on the No-Interval Coherently Phased Product Development Model
Authors: Wu Chun Sheng , Wu Qiao Ying
Published: September 2011

The objective of the research was to redesign generic process of the apparel product development adopted in Chinese apparel enterprises currently by comparing and analyzing several important models. The revised apparel retail product development model by Wickett, Gaskill and Damhorst, Kunz’s taxonomy of the apparel merchandising system, and the no-interval coherently phased product development model for apparel (NICPPD) by May-Plumlee and Little were analyzed. The key factors of product development process that need to be improved were anylized according to the NICPPD model. The end result was the redesigned process of apparel product development.
Preparation of Collagen/PVA Composite Fiber
Authors: Sui Zhi Hui , Wei Yu Jiao , Zhao Xin
Published: September 2011

Alkali was used to extract collagen from chrome shavings. Grafting modification of collagen was carried out with acrylic ester as grafting monomers. The structure of the product was characterized using infrared spectroscopy. Spinning liquid was prepared with collagen and PVA(polyvinyl alcohol). Collagen /PVA composite fiber could be produced by wet spinning. The results showed that the optimal conditions of collagen grafting reaction were as follows: the dosage of modified monomers was 30% of collagen (mass fraction), the addition of emulsifier was 10% of butyl acrylate (mass fraction), reaction time was 2h and reaction temperature was 70°C. The collagen composite fiber had a strength of 3.65 cN/dtex and a elongation of 19%. The composite fiber had certain spinnability.
Mechanical Properties of Ramie Fiber Woven Composites under Biaxial Tensile Loadings
Authors: Wang Ge , Chen Fu Ming , Cheng Hai Tao , Yu Zi Xuan , Jiang Ze Hui , Chen Xiao Meng , Zhang Wen Fu
Published: September 2011

The objective of this work was to use a novel 3-D test analysis system for evaluating the mechanical properties of the natural fiber fabric composites under biaxial loads. Composites with three resin matrices (water-based epoxy resin, isocyanate resin, phenolic resin) were investigated, and strain filed were characterized by using the digital speckle correlation. The water-based epoxy resin plate and isocyanate resin plate demonstrated a characteristic of orthotropy and elastoplasticity, while the phenolic resin board revealed linear elastic and brittle-fracture simultaneously at X,Y-axial. Dissimilarities of biaxial load value were related to the orthotropy of composite structure, and load changes in fracture direction had a negative effect on the other directions at breaking moment. The degrees of dropping presented a positive correlation with the load values at rift direction. Under the linear elastic stage, the value of load and average strain at Y-direction were larger than that under X-direction within the same testing area. The strain-filed at X/Y-direction provided by isocyanate and phenolic resin plates illustrated a more smooth change than that of the water-based epoxy resin plate.
Rising Labor Cost and the Comparative Advantage of Chinese Textile Industry Analysis
Authors: Wang Jin
Published: September 2011

The textile industry is a typical labor-intensive industry, which is also one of the most comparative advantage industries of China. However, with rising labor cost in recent years, the comparative advantage of Chinese textile industry is facing challenges. Based on the theory of comparative advantage analysis, this article analyzes of the comparative advantages of Chinese textile industry based on the background of rising labor cost while propose that Chinese textile industry shall transfer the Comparative Advantage to Competitive Advantage.
An Analysis of Shaoxing Textile Industry’s International Competitiveness: The Perspective of the Export Evaluation Indexes
Authors: Jiang Ai Qing , Zhang Rong
Published: September 2011

First the thesis analyzes the development situation of Shaoxing textile industry. Then three export evaluation indexes (international market share, trade competitiveness index, revealed comparative advantage index) were selected to analyze and prove the international competitiveness of Shaoxing textile and clothing. At last, it proves that Shaoxing textile and clothing has very strong competitive advantage and also puts forward several suggestions to strengthen this competitiveness.
The Apparel Industry as an Example of Industry Development Trend of China – Segmentation Module within the Industry, Strengthening of Cooperation between Industry
Authors: Yun Ai Ying , Fang Min , Wang Dong Ming
Published: September 2011

Based on the operating mode of the domestic apparel industry chain statistics and research on new integrated industry-in-depth study of telemedicine, summarizes the development of the domestic industry chain status and future trends-supply relationships within the industry more and more sub-modules of different gradual strengthening of cooperation between industries, integrated across multiple disciplines the rise of new industries, analyze the problems encountered in the development process and make recommendations accordingly to solve.
Research on the Clustering Color Separation of Fabric Based on Genetic-Fuzzy Algorithm
Authors: Luo Bing Jin
Published: September 2011

An improved fabric color separation method is put forward based on genetic fuzzy clustering algorithm.At first, adopt six basic primary colors are used to carry on color separation to images of fabric including C(blue), M(magenta), Y(yellow), G(green), K(black) and W(white),and the data set of fuzzy cluster is formed , consequently, the division of fuzzy cluster can be completed, at last Genetic-fuzzy cluster algorithm is applied to color separation of decorated Jacquard fabric. The experimental results show that the fidelity of fabric patterns after color separation using this improved method is superior to that after color separation using traditional color separation method
Crosslinking Properties on Oxidized Cotton Cellulose and Chitosan with Low Molecular Weight
Authors: Xu Yun Hui , Deng Yong Jin
Published: September 2011

For exploiting green ecological cotton fiber products with the multifunction, a new cotton fiber crosslinked with chitosan of low molecular weight (CCCF) was prepared through the sodium periodate oxidation method. The reaction between amino groups of chitosan and aldehyde groups in the oxidized cotton cellulose occurred to obtain the CCCF in aqueous acetic acid solutions. The aldehyde group content in oxidized cotton cellulose increased markedly with the sodium periodate concentration, and the maximum weight gain of chitosan introduced on cotton fiber was 11.63% of the weight of cotton fibers. Furthermore, the crosslinking properties were respectively investigated by measurements of FT-IR and XPS spectra, the analysis indicated that the chitosan molecule was crosslinked on the surface of cotton fiber by the C=N covalent bond. This resulting CCCF is a novel ecological fiber and has more abilities of potential modification, which suggested useful information in planning applications for these modified cotton fibers.