bluuebunny/crossref_metadata_2025 huggingface dataset:
Quality Control of Camouflage Materials Research Based on C2GS2 Model
Authors: Li Ling , Liu Jun , Lü Xu Liang , Sui Ming Xu , Wu Guo Jing , Zhou Zheng
Published: September 2014

In view of the problems in the process of camouflage materials research and development project quality control subjective and management information of materials is unilateral, C2GS2 quality control model was built to improve the scientific management level. By the establishment of index system for quality control, on the basis of the characteristics of its all output index, output-CCR model was set up to evaluate the management level. In order to further improve the information of both radial direction and non-radial detection, we introduced the non-Archimedean infinitesimal to form C2GS2 quality control model. The example shows that the quality control model can significantly improve the level of research and development, it can provide more detailed manage information.
The Research of Forming Process Parameters Influence on the Square Cup of TWBs’ Weld-Line Movement
Authors: Gan Yong , Wang Han Chao , Guo Ying Ying
Published: September 2014

The forming process of the square cup of TWBs is studied through the numerical simulation by Dynaform, and combined with orthogonal test, analyzed the thickness ratio, strength ratio, weld-line position, total blank-holder force, the thinner side’s blank-holder rate and the friction coefficient’s relations with the square cup of TWBs’ weld-line movement during the stamping process, and using the BP neural network toolbox model to forecast the weld-line movement in the process of forming. Studies show that regardless of the thickness ratio impact on the bottom of the square cup or on the flange, weld-line movements are at the maximum, the strength ratio is the second. The smaller proportion of the thinner side of the base material, the lower weld-line movement is. Selecting the suitable thinner side and thicker side’s blank-holder, and the reasonable lubrication conditions can control the value of the weld-line movement.
On the Discussion of Abstract Form and Art Empathy of the Ramie Materials in Modern Fiber Art
Authors: Li Ming Juan
Published: September 2014

form and Art Empathy of the Ramie Materials in Modern Fiber ArtLi Mingjuan,FangZhi Road, Wuhan City, Hubei Province, China, Art and Design College of Wuhan Textile University78207664@QQ.comKeywords: Modern fiber art, Ramie fiber, Abstract form, Empathy manifestationAbstract. Fiber art is both a traditional art and modern art, while the material is the first language for fiber art,since the material is the basis of fiber art, which is also the carrier of fiber art and the external materialized result of fiber language.With the development of modern fiber materials are becoming increasingly rich, the new materials bring the fiber art new opportunities for its development. This paper is based on the importance of the materials on fiber art, taking it as the cutting point, using the double-sided description of ramie fiber material, discussing the performance of empathy and abstract form of ramie fiber material, so as to provide references for the creation of textile fiber art .
The Effect of Doping Fe on Magnetic Property of Colossal Magnetoresistance of La0.7Sr0.3MnO3 Materials
Authors: Li Bao He , Xiang Ping Ping
Published: September 2014

Colossal magnetoresistance of La0.7Sr0.3MnO3compounds (x=0~0.18) were prepared by the sol-gel technique. Partial Mn atoms were replaced by Fe atoms and its influence on the structure, magnetic properties and colossal magnetoresistance were also studied. Our results show that the Curie temperature decreases fast, the ferromagnetic property is weakened, the electric conductivity is decreased and the colossal magnetoresistance is enhanced as an increase of replacing Mn by Fe atoms. It was convinced by the theory of molecular field that doping Fe atoms can decrease the ferromagnetic exchange coupling of La0.7Sr0.3MnO3
Electronic Structures and Magnetism of DO3-Type Heusler Alloys Rh3M (M=Al, Ga, In, Si)
Authors: Zhang L , Hao M.X. , Gao Y.C. , Gao X.
Published: September 2014

We investigate the electronic structure and magnetism of DO3-type Heusler alloys Rh3M (M = Al, Ga, In, Si) using the first-principle calculations. The Rh3Si have been predicted to be half-metallic ferromagent at their equilibrium lattice constants. The effect of lattice parameters on the electronic structure and magnetic properties is also discussed in detail.
Based on SLS Rapid Prototyping Parts Glycosylation Performance Analysis
Authors: Yang Lai Xia , Xue Ying Bao , Zhou Xue Gang , Chai Rong Xia
Published: September 2014

The use of sucrose and starch powder mixture is prepared by selective laser sintering forming parts mode, and the determination and calculation of dimensional accuracy and flexural strength of sintered parts. The results show, Sugar-based materials as raw materials can accumulate molding machine by SLS, and flexural strength and dimensional accuracy to meet the requirements.
Influence of the Bonding Temperature on the Microstructure at the Cu/Al Interfacial Region
Authors: Han Yan Qiu , Ben Li Hua , Yao Jin Jin , Feng Shu Wei , Wu Chun Jing
Published: September 2014

The Cu/Al composites are of vital importance in industrial applications due to their numerous advantages. The influence of the bonding temperature on the microstructure and morphology of the Cu/Al couples, fabricated using diffusion bonding method, is investigated in this paper. The interfacial morphology and constituent phases at the Cu/Al interface are analyzed by means of scanning electron microscopy equipped with energy dispersive X-ray spectroscopy. The results indicate that microstructural characteristics are associated with various bonding temperatures due to the accelerated inter-diffusion of atoms at higher temperature. The intermetallic layer is thicker with increasing the bonding temperature.
The Analysis of Interfacial Debonding Using Voronoi Cell Finite Element Method
Authors: Liu Yuan Yuan , Guo Ran , Gai Wen Hai
Published: September 2014

This paper bases on the principle of the stress hybrid element, using voronoi cell finite element method to analysis the interfacial debonding phenomenon of a particle reinforced composite materials, then it contrasts by the commercial finite element software MARC in the same conditions of numerical simulation. Research results show that: In the interfacial debonding, especially at the crack tip stress, Stress is the biggest. Particles and matrix interface delamination is the important cause of material damage, at the same time, it has a great impact on the service life of components.
Preparation of High-Solids UV-Curable Actylate Pressure-Sensitive Adhesive with Low Viscosity for Printed Electronics
Authors: Cui Yan Yan , Chen Guang Xue
Published: September 2014

If the pressure sensitive adhesive is coated on the back, it can be used for bonding electronic tag, overburden, protective layer, and RFID layer. The acrylate pressure sensitive adhesives are simple and less pollution, so more and more companies pay attention on this kind of binder. Since the thickness of adhesive layer is relatively small, ink-jet printing is now widely used to easily obtain thin layer and design the pressure sensitive adhesive shape of different parts. So how to get superior performance pressure sensitive adhesive which is suitable for ink-jet printing become an urgent problem in printed electronics. The experiment was conducted through solution copolymerization of various vinyl monomers which were selected on the principle of solvent parameter prepared by free radical polymerization. The monomer, initiator mixture solution was dropped in continuous and synchronization process. By regulating the amount of initiator and polymerization temperature, we could effectively reduce the system viscosity and prepare high quality high-solids acrylate UV-curable pressure sensitive adhesives with low viscosity for ink-jet printing. The influence of initiator, solvents, transfer reagents and temperature on the structure and properties of the resin were discussed.
Intrinsic Safety Explosion-Proof System
Authors: Dan Xu , Zhao Huai Lin , Lin Wang , Ting Zhou
Published: September 2014

The paper introduces the structure and basic theory of the intrinsic safety explosion-proof, the parameters of each part and the principles of selection. Emphasizes the features、work theory and earthing of the isolated barrier, which is used in intrinsic safety explosion-proof industry process control system .
The Crystal Structure and Magnetic Property of Bi-Substituted Nd2Fe17-x-yTixSiy Intermetallic Compounds
Authors: Sun Li Mei , Han Song Bai , Liu Yun Tao , Chen Dong Feng , Liu Xiang Feng
Published: September 2014

The synergetic effects of the substitution of Ti and Si for Fe on the crystallographic structure and magnetic properties of Nd2Fe17-x-yTixSiycompounds have been comprehensively investigated by means of x-ray diffraction, neutron diffraction and magnetic measurements. Rietveld refinements of the diffraction data indicate that all the samples crystallize in the rhombohedral Th2Zn17-type structure. For a given Ti content, thea-axis and the unit cell volumeVof Nd2Fe17-x-yTixSiydecrease linearly with increasing silicon content, while thec-axis behaves complicatedly dependent on different Ti content. The site occupancies of Ti and Si in the crystallographic sites significantly change compared to what is observed in the corresponding singly substituted compounds. TheTCof doubly substituted Nd2Fe16.5-yTi0.8Siyand Nd2Fe16.5-yTi0.5Siyis higher than that of singly substituted Nd2Fe16-ySiyfor a lower Si content while the converse behavior is observed for a higher Si content. For a given Ti content, theTCof Nd2Fe17-x-yTixSiycompounds increases with increasing Si content and theMsfirst increases and then decreases. TheMsof Nd2Fe17-x-yTixSiydecreases with the increase of Ti content.
Study on Deformation of Thin-Walled Workpieces Milling Machining Based on Finite Element Method
Authors: Wang Ji Qun
Published: September 2014

In the mechanical products, there are always some poor stiffness and high precision thin-walled workpieces which will produce deformation in the machining process easily, so it is difficult to control the machining accuracy and to meet the requirement of higher machining accuracy. Based the finite element numerical simulation key technology, this paper analyzes the machining deformation, including geometric model simplification, mode selection, dynamic loading, a 3D simulation model of thin plate features establishment. Through the finite element numerical simulation analysis of the thin plate, we analyze the influence on processing deformation from different processing parameters and different constraints.
The Origin Alignment Method of Box Parts Based on Boring and Milling Machining Center
Authors: Shu Qi Lin , Cheng Zhong Jia , Liang Xiao Sen
Published: September 2014

Based on complex body parts structure, the characteristics of batch processing and high accuracy requirement, in order to improve the efficiency of its alignment, put forward about the case accessories are the method of study the origin. During the study, in order to type boring and milling machining center for processing platform, build online detecting system for the body parts. By mathematical modeling and knowledge of analytic geometry, the rotary table any position of body parts in machining center is to find the origin, and determine the size of the work-piece origin of coordinates and the deflection angle. Checked by practice, this method is suitable for composite boring and milling machining center mass production of body parts in work, improve the efficiency of the box body parts processing precision and alignment.
Influence Analysis of Ground Asymmetric Filling Load on Spandrel with Different Bases of Existing Open Trench Tunnels
Authors: Cao Jing , Pu Qiong Xiang , Liu Hai Ming , Zeng Shi Sheng
Published: September 2014

Based on the theory of equivalent internal friction angle, the soil layers around the tunnel were equal to cohesionless homogeneous mass in this paper. On the basis of the Terzarghi unconsolidated mass theory, the local soil arching effect of the existing open trench tunnel which was located the side walls load was discussed under the ground asymmetric filling. Furthermore, when the backfill soil appeared the local soil arching effect, the critical embedded depth formula was given. Finally, it is concluded that both the size and distribution of the ground asymmetric filling load have influence on the local soil arching effect of the existing open trench tunnel.
Application of GM(1,1) Model Established by Moving Average Method in Stress Prediction of Rigid Frame Bridge Construction
Authors: Hao Tian Zhi , He Hong Qiang
Published: September 2014

Stress variation is complicate during the course of rigid frame bridge construction, it is difficult to grasp the development trend of stress because of too many influencing factors. When using GM(1,1) model solely, the prediction accuracy is low and it is critical to collect much raw data of stress. Method of moving average improves GM(1,1) model by processing data before modeling. The paper takes Hu Lu-ding Bridge as an example and the results show that the GM(1,1) model established by moving-average method has higher prediction accuracy and can be efficiently used in stress prediction of rigid frame bridge.
Study on the Shear Lag Effect of the PC Box Girder Bridge with Corrugated Steel Webs under Concentrated Loads
Authors: Jiang Rui Juan , Xiao Yu Feng , Yi Xiao Wei , Wu Qi Ming , Gai Wei Ming
Published: September 2014

There are few studies about the shear lag effect and the effective flange width of the PC (Prestressed Concrete) box girder bridge with corrugated steel webs throughout the world in current time. In the present paper, based on the three-dimensional finite element analysis for a long-span continuous PC box girder bridge with corrugated steel webs and the corresponding conventional box girder bridge with concrete webs, a comparative study on the shear lag effect under vertical loads are carryied out together with the analyslis on the coefficient of the effective flange width. The results show that in the PC box girder with corrugated steel webs, the transverse distributions of longitudinal normal stress on the section of the slabs are obviousely non-uniform and they are different with those in the conventional PC box girder with concrete webs. And moreover, the shear lag effects in top slab of the PC box girder with corrugated steel webs are almost less obvious than those of the conventional PC box girder with concrete webs. However, the shear lag effects in bottom slab of the PC box girder with corrugated steel webs are almost similar to those of the conventional PC box girder with concrete webs, no matter what kind of vertical bending moment the cross section is subjected to
Substance Characteristic and Formation Mechanism Analysis of Suo Duoxi Deposit
Authors: Dong Xue Jiao , Chen Chen , Mao Wen Fei , Chai Xin
Published: September 2014

The paper studied characteristic of the morphology, substance and formation mechanism of Suo Duoxi deposit body in the Su Walong hydropower station reservoir area, focused on analysis of substance composition and formation at front area of deposit body (zoneII) and finally inferred the geological formation process and reached the formation mechanism . The results show that the block stones are main part of material of Suo Duoxi deposit and sandwiches gravel soils, but it is different from other four zones that the zone II takes gravel with less viscous as the skeleton and mixed up with uneven sizes and irregularly shape stones. The forming reason of deposit is the landslides at left bank of Jinsha River and rockfall of the steep mountain back of the deposit body on the right back with the effect of weathering, rainfall and glacial erosion and so on. Geological formation process of deposit determined the geomorphic features, but also changed paleocurrent of Jinsha River.
Impressed Current Cathodic Protection for Seawater Cooling Concrete Structures in Zawr Port, Saudi Arabia
Authors: Huang Jun , Fang Da Jing , Wang Ya Ping
Published: September 2014

Impressed current cathodic protection is an international generally accepted and effective protection method of concrete is adopted in seawater cooling intake & outfall structures in Zawal port, Kingdom of Saudi Arabia. Total protected concrete area is about 27000m2, including diaphragm walls, edge beams, all walls (main wall and cross wall), floor slab, top slab and wing walls. This project is extensive, changed-constructed and the operating environment is severe. The successful implementation of this project has certain significance in relative projects in the industry.
Study on the Law Load of the Secondary Lining of Da Liang Tunnel
Authors: Wang Zhi Jie , He Sheng Ya , Wu Gen Qiang , Yuan Ye
Published: September 2014

In order to determine the best load combination and the safety factor of concrete section, contact pressure of the three dangerous sections of the secondary lining has been measured. By numerical simulation of FEM, load structure model has been created and the measured pressure has been exerted, then internal forces of each dangerous section were calculated out. Thus the most unfavourable load of each section was determined. Using statistical software, a series of load combination and the best load combination were acquired. As the result indicates, when the horizontal load and vertical load are 0.5 MPa, the safety factor of concrete section is the maximum and the load combination is the best one. It is reliable using the measure in the site with indoor numerical simulation of FEM to determine the best load combination of the secondary lining and the factor of concrete section.
Research on the Development of College Sports Architecture
Authors: Yang Xiao Yan
Published: September 2014

With the development of higher education, college sports architecture is no exception in the revolution. Due to many factors, such as economic, sports science and technology, the development of Europe and the United States and Japan and other countries of the sports building has been at the forefront of the world. At the same time as the Europe and the United States, Japan and other countries recognize in the mass sports, competitive sports and school sports are abundant, and established a relatively perfect sports club system, at the same time, many large-scale sports events and commercial events are held in Colleges and universities. These are vigorously promoting the construction of college sports architecture. Many college students in Europe and the United States, in the school the sports entertainment facilities in Colleges and universities are available as an important condition for the choice of schools, the quantity and quality of sports facilities has become one of the window to show the strength of the competition, promote the sports facilities in Colleges and universities to develop.
Optimization Research on Supervision Process in Building Energy Conservation
Authors: Chen Xu , Yang Shu Fen
Published: September 2014

In recent years, energy crisis increases, energy saving and environment protection have become particularly important. With the improvement of people's living standards, energy demand is increasing; therefore, building energy conservation is imminent.Building energy efficiency needs much attention and implementation, which covers construction units, design units and supervision units. Construction of the building energy efficiency is full of the entire construction process. From planning, design, construction to supervision process is all in control. The lack of a link monitoring is likely to result in an increase in energy consumption. Resource engineering supervision is an important construction implementation process, and is an important link in the process of building energy conservation monitoring.Building energy conservation.
Control System Design of Missile Based on Back-Stepping and Variable Structure Control Method
Authors: Gao Yuan , Xia Yong , Wang Xu , Zhang Wu
Published: September 2014

A nonlinear decoupling control method based on back-stepping design and sliding variable structure control theory was proposed in this paper according to the nonlinear and strong coupling characteristics of missile at hingh angle of attack. The affine nonlinear model of missile was firstly established, the exact linearization and input/output decoupling of system were then realized using differential geometry theory. On the basis of this, the robust controller was designed using back-stepping design and variable structure control method. Simulation results indicate that the influences caused by missile parameter uncertainties, unsuited uncertainties with known upper boundaries and stochastic interference can be effectively restrained.
Failure Analysis and Improvement of the Heat-Exchangers on Styrene Equipment
Authors: Wang Zheng Fang
Published: September 2014

Introduced the applied instance of heat-exchangers on styrene equipment, analyzed the failure reason and reviewed the reconstructive course of the equipment. Based on the experience, selected proper materials, optimized the structure and with advanced method realized the domestic manufacture.
Study on Mapping Algorithm from EBOM to PBOM for Chemical Tower in UG
Authors: Chen Qing Guo , Zhang Jun Cai
Published: September 2014

According to the the characteristic of tower structure and manufacturing property, the tower components are divided into the purchased (CP), the cooperative (CS), the inherit (CL), the key (CK) and so on. In order to ensure the product data integrity, consistency and correctness in chemical tower, different processing rules are adopted to CP, CS, CL, CKin mapping from EBOM(Engineering BOM) to PBOM(Proeess planning BOM). Based on EBOM view in UG, the mapping function from EBOM to PBOM is established to process all BOM data. PBOM view is created accordingly, to achieve computer aided design on BOM in the data management for chemical tower.
The Quality Control of Eutrophic Culture Sediment by Immobilized Cells and Conditions Manipulation
Authors: Gao Dong Mei , Zhang Min Sheng , Hong Bo
Published: September 2014

The sediment in intensive culture pond is overloaded by substantial unused nutrients and is conventionally discharged into adjacent coastal areas, which is detrimental to environment. This paper produced a preliminary quality control experiment to mitigate pollution of culture sediment by immobilized Bacillus sp. HSW cells on the composite carrier of sodium alginate and artificial zeolite. Glucose and calcium peroxide respectively were used to improve the sediment conditions of C/N ratio and oxygen level. The sediment quality was monitored periodically for 30 days. The results showed that biocontrol by immobilized Bacillus sp. HSW cells alone would be infeasible. However, the immobilized cells would better perform under controlled conditions. The significant decreases for total nitrogen (TN), total ammonia nitrogen (TAN), and organic nitrogen (ON) were observed at 71%, 91% and 64%, respectively. The phosphorus precipitated as phosphate raised approximately 120 mg/kg, and 60% of organic phosphorus was removed in 30 days. Moreover, the total bacteria abundance presented an obvious increase for over an order of magnitude, which was positive relationship (p < 0.01) to the removal rates of ON and OP. Therefore, the immobilized cells accompanied by environmental manipulation are promising for biocontrol of culture sediment.
Extraction and SDS-PAGE Analysis of Proteins from Gualou Seeds
Authors: Zhao Jing Bin , Yu Jian , Liu Yong Le , Li Chi Lin
Published: September 2014

Protein extraction from Gualou seeds were studied, and Kjeldahl method and Sodium dodecyl sulfonate-polyacrylamide gelelectrophoresis (SDS-PAGE) were used to characterize the properties of extracted proteins. The optimum extraction parameters were as follows: the extraction solution was 0.2 mol/L phosphate buffer (pH, 8.0) with 5% NaCl, and the ratio of solid to liquid was 1:10. A protein yield of 75.01% was obtained under the optimal extraction conditions. The SDS-PAGE analysis showed that the proteins extracted from Gualou seeds have apparent molecular weights varying from 10 to 30 kDa, mainly close to 30 kDa.
Toxic Effects of Crude Oil Water Accommodated Fractions on the Cardiac Function of Marine Medaka (Oryzias melastigma) Embryo
Authors: Zhang Zhen Dong , Yan Qi Lun , Wang Rui Rui , Xu Dao Yan
Published: September 2014

The marine medaka Oryziasmelastigma was used as model organism to detect and evaluate the cardiac function alterations of medaka embryos due to oil exposure induced ecotoxicological effect in the present study. Results showed that the developing medaka heart was a sensitive target organ for the toxic effects of crude oil. Cardiac function of medaka embryos was clearly affected by exposure to WAF of crude oil after 24 hours exposure. Significant differences in cardiac structure and function of medaka embryo were found between exposed and control groups. The chemicals in crude oil slowed down the embryos heart rates, reduced cardiac contractility capability and causes irregular heartbeats. At higher exposure concentrations (7.2 mg/L), swelled and enlarged heart morphology, lower blood circulation and accumulation of blood around the heart area was found. These findings indicate that cardiac function of marine medaka embryo may be used as a toxicity model and biomarker for oil pollution.
Speed Synchronization System of Master-Slave Motor Based on Repetitive Control
Authors: Ling Yun , Chen Huan , Li Fei
Published: September 2014

In the wrapping process of magnet wire, as the haulage speed of master motor varies periodically, it is difficult for slave wrapping motor to track master motor due to the mechanical resonance, which destabilizes the wrapping pitch. In the proposed system, the synchronization speed control scheme of master-slave motor based on repetitive control compensation is employed. In the process of control, real-time spectrum analysis of the haulage speed is given, which can be used to adjust the parameters of wrapping speed controller adaptively with the acquired characteristic information of the mechanical resonant. Simulation shows that wrapping speed can track haulage speed well in the proposed system, and the maximum tracking synchronous deviation can be reduced to 56% of that in the system without repetitive control.
Effects of Perilla Frutescens Leaf Total Flavonoid on Enzyme of Lipoprotein Metabolism and Antioxidation in Hyperlipidemia Rats
Authors: Shen Ye , Zhu Ming , Zhai Ming Yue , Lv Gang , Li Tan , Sun Xin
Published: September 2014

To explore the effects of Perilla frutescens leaf total flavonoid (PFF) on regulating the serum level of lipids, enzymes of lipoprotein metabolism and antioxidation in the hyperlipidemia rats. 50 healthy SD rats were divided into 5 groups randomly according to the serum TC: hyperlipidemia model group, high dose group of PFF, medium dose group of PFF, low dose group of PFF, and lovastatin treatment positive control group. Serum lipoprotein level, lipoprotein lipase (LPL), hepatic lipase (HL),superoxide dismutase (SOD) and malondialdehyde (MDA) were tested after treated with corresponding drugs once per day for 4weeks. Compared with the model group, the levels of the serum TC, TG, LDL-C, and MDA decreased significantly, while HDL-C, LPL, HL and SOD increased significantly (P < 0.05 or P < 0.01). The lipid metabolic disorder in hyperlipidemia rats was improved notably through the treatment with PFF, indicating that the PFF plays an important role in decreasing lipids.
Effect of Procedure Parameters on the Antioxidant Property of Perilla Frutescens Leave Extracts
Authors: Shen Ye , Zhu Ming , Zhai Ming Yue , Lv Gang , Li Tan , Sun Xin
Published: September 2014

The aim of this study was to determine the procedure parameters, including drying, extracting and pH on the antioxidant activity and antioxidative compounds in Perilla frutescens leaves. The extraction of antioxidants from Perilla frutescens leaves is studied considering different drying and extracting procedures to investigate the selectivity of the process. The radical-scavenging activity (RSA) of 1, 1-diphenyl-2-picrylhydrazyl (DPPH) and the determination of the total phenolic content are applied to evaluate the antioxidant activity and antioxidative compounds of the Perilla frutescens leave extracts. The highest antioxidant activity is observed for the extract obtained by freeze drying, extracting by ultrasound with 80% methanol adjusted at pH 4.The antioxidant compound extraction yield was also the highest at these extraction conditions. The total phenol contents among the Perilla frutescens leave extracts produced by different drying procedures were similar, while the antioxidant activities were different This concluding that the amount of phenolic compounds extracted was similar but the type and probable structure of the phenolic changed during heat-drying procedure providing in this way. Our study showed that proper process technology could ultimately extract compounds potentially effective against diseases related to free radical oxidation.
Effect of Kernel Moisture Content to the Result of Bare Hand Threshing of Corn Ear Interval
Authors: Li Xin Ping , Du Zhe , Ma Yi Dong
Published: September 2014

Corn is one of the world's three major grain crops, corn harvest is an important way to improve the yield of corn, and threshing is an important post-harvest. Therefore, the study of threshing corn ear is particularly important. This article is to find the best threshing moisture of corn ear and the method of reducing the loss of kernels damaged, experiment on Xun Dan 20 and Ning Yu 524 two varieties of corn ear kernels are carried out, arrange in the order interval, and different varieties of seed corn ear conducted bare hand threshing test in different moisture content. Then MATLAB software for data processing and analysis, obtain the effect of moisture on the threshing of corn ear. The conclusions shows that, whether corn ear in which moisture content, the contact force needed on the initial part of threshing ear kernel is larger than the terminal part of the threshing ear kernel. In contrast, the threshing rate on the terminal part of the threshing ear kernel is larger than the initial part of threshing ear kernel in the threshing rate. Too low or too high moisture content is not easy to threshing corn ear, the ear is suitable for threshing kernel when the moisture content of ear kernel at 12%~18%.Ear varieties has a great influence on threshing contact force needed.
Reliability-Based Analysis of Frequency of Closed-Loop Vibration Control Systems with Interval Parameters
Authors: Liu Jin Gang , Wang Shi Peng , Zhang Zhong Jun , Jin Da  Wei , Huang Feng Xiao , Qin Lin Jing
Published: September 2014

Using the convex model theory, the reliability-based analysis of frequency of the vibration control problem of structures with Interval parameters is discussed. Based on the theory of perturbation method, reliability analysis, and PNET method, the method of reliability-based analysis of eigenvalues of closed-loop vibration control systems with uncertain parameters is studied. And the distribution function of the random eigenvalues will not be computed other than their means and variances. The standard deviations of eigenvalues of the uncertain closed-loop systems can be used to estimate the reliability of frequency. The numerical results show that the present method is effective.
Distribution and Changing of Petroleum Hydrocarbon in Jiaozhou Bay Waters
Authors: Yang Dong Fang , Sun Pei Yan , Ju Lian , Wang Chun Hui , Liu Yun Long
Published: September 2014

Based on the investigation data of petroleum hydrocarbon (PHC) in waters in Jiaozhou bay on April, August and November 1981, this paper analyzed the distribution and changing of PHC content in surface and bottom waters. Results showed that pollution levels of PHC ranged from Grade II, Grade III, Grade IV and worse than Grade IV during year. PHC content was relatively high in near shore waters especially in river mouth waters, while was relatively low in bay mouth, bay center and outer bay. It could be concluded that, in addition to marine exploitation activities, rivers were important pollution sources of PHC.
The Performance of Z-N Catalyst under Different Reaction Conditions
Authors: Zhang Rui
Published: September 2014

This paper mainly introduced the performance of a home-made Z-N catalyst in different reaction conditions to produce homopolyethylene and copolyethylene. The influence of hydrogen pressure, n (Al)/n (Ti) ratio, comonomer concentration on catalyst activity and polymerization kinetics were examined, analyze and characterization the polymer performance. The rule, which explain the effect on Z-N catalyst of reaction conditions were given in the article [1][2][3][4].
One-Dimensional Vertical Infiltration Characteristics of Red Loam
Authors: Huang Shen Kai , Gu Peng Fei , Zhao Xin Yu , Pei Qing Bao , Gao Jin Long
Published: September 2014

Using a soil column experiments to analyze the influence of different density of one dimension vertical infiltration of water infiltration rate, cumulative infiltration and wetting front. The experimental results showed that the bulk density of the infiltration rate, cumulative infiltration and wetting front has a significant impact. Infiltration rate, cumulative infiltration and wetting front were decreased with increasing density in the same period of infiltration. The greater the soil bulk capacity, the larger the infiltration decrease ration μ and η, respectively compared to the based accumulative infiltration and the based wetting front depth.
Construction Waste Recycling Research from the Perspective of Ecological Industrial Engineering
Authors: Zhou Long , Zhao Yang , Yin Hua Yue
Published: September 2014

With the concept of sustainable development and the circular economy concept is widely accepted in the world, resources and environmental issues related to business and society to become the focus of attention. In this context, our large-scale modernization generated a lot of construction waste and the research on how to deal with a lot of construction waste is particularly important. Based on the ecological industrial engineering perspective, consider the environmental impact and resource efficiency. Construction waste handling process does not produce environmental pollution or make environmental pollution minimized to achieve the highest resource utilization, in order to achieve economic benefits, environmental benefits and social benefits optimization. The article first describes the characteristics of eco-industrial engineering concepts and guiding principles of its discipline and the characteristics of eco-industrial engineering. Then, based on eco-industrial engineering ideas, describes the composition and hazards of construction waste and analyzes the problems in processing construction waste. Finally, proposes the whole process of construction waste management model and concrete measures about construction waste recycling.
Study on Tissue Culture of Sweet Broad Pea
Authors: Chi Hui Fang
Published: September 2014

s. The cotyledons, Internodes, leaves and stems of sweet broad pea were studied on tissue culture. Research results show that: The ability of different explants for callus formation and adventitious bud differentiation in different culture medium is different. The callus formation rate and sprouting rate of Internodes is significantly higher than other explants, which is a ideal material for tissue culture. The callus formation rate of Internodes was 100% in MS +BA1.0 mg/L+NAA 1.0 mg/L and MS+ 2, 4-D 0.5 mg/L; The bud differentiation is best at the medium of MS+ 6-BA 2 mg/L, which reached 86.7%; the rooting rate was 83.3% at the medium of MS+ NAA 3mg/L. The study provides a experimental basis for further study on the plant regeneration in the sweet broad pea.
Model Based Evaluation of the Effect of Redox Mediator Concentrations on Microbial Fuel Cell Performance
Authors: Liu Qiang , Hu Di , Tang Yu Lan , Yu Jin
Published: September 2014

This study builds a mathematical model for microbial fuel cells (MFCs) with soluble chemical substrates, redox mediators and suspended cells. By modeling the biological growth, substrate degradation and the current generation process of anode chamber, analysis the variation of mediators and substrate over time, the influence of mediator concentrations on substrate degradation and current generation. The result showed that substrate concentrations≥2mg/L, Continue to increase the amount of mediator has no effect on the variation of mediator and the time it reaches the maximum, the oxidized and reduced mediator has the opposite change trends. Each mediator concentrations corresponding substrate have experienced slow degradation, rapid degradation and depletion three stages. The greater the concentrations of the initial mediator, the shorter time substrate reaches the rapid degradation, but the final amount of degradation of the substrate is not affected. Enough mediators produce more current than inadequate, substrate concentration≥2mg/L, the maximum current does not increase with increasing of the mediator concentrations, it achieves the maximum while mediator concentrations is 3mg/L.
Study on Deformation Performances of Steel Braced Frame Structures with Random Imperfections
Authors: Jin Lu , Si Han , Jia Lian Guang
Published: September 2014

In order to research the random initial imperfections on the influence of steel braced frame structures deformation,the full-path advanced analysis by using the finite element software ANSYS for 20-story steel frame structures with the symmetrical arrangement of brace.The random initial imperfections in structural system and its individual members could be taken into account by Monte Carlo method,the lateral displacement of columns and the mid-span deflection of beams are gained according to probability statistics,and analysis method of various standards were compared.Results indicate that the ultimate deformation of steel braced frames are proportional to the size of the initial imperfections;The braced frame deformation considering random initial imperfections are closed to the results of ideal frames without imperfection.The ultimate bearing capacity calculated by advanced analysis of high-rise steel braced frame structures often does not meet the requirements of serviceability limit ,structural design ultimately controlled by the displacement limit.
Study on the Impact of the Evolution of Lamaxigou Watershed Geomorphology on Project
Authors: Song Yang
Published: September 2014

The evolution of watershed geomorphology is a natural historical process, which evolves gradually from a low grade balance system to an advanced balance system. In order to preventing and reducing geological hazards in Lamaxigou watershed, this paper introduce present situation of researches on watershed geomorphic evolution at home and abroad, combining with the background of geo-environmental conditions of Lamaxigou watershed. It analyzed the rainfall runoff factors, geological physiognomy factors (lithology, structure and physiognomy, etc.), conditions of the physiognomy (gradient, slope length, slope shape, gully vertical slope, drainage area, the gully density, modulus of soil erosion, vegetation, etc.). In order to finding out the controlling factors for fathering erosion evolvement of this watershed system for providing a scientific basis. Then, it thoroughly discussed the watershed erosion system, analyzing the watershed erosion evolution of different types and characteristics of the formation, and finally studying on the impact of the evolution of Lamaxigou watershed geomorphology on project by altitude integral method, information entropy method and erosion integral method. It can provide a scientific basis for engineering design, construction and operation.
Prediction of Cylinder Fatigue Lifetime with Kernel Density Estimation Theory
Authors: Wang Jie , Yang Ping , Li Qian , Wang Jian Bao , Yu Song
Published: September 2014

As a part of power transfer process, cylinder plays an important role in pneumatic system. Its failure can cause mechanical equipment downtime suddenly and gas leak, so that production and personnel security will be in danger. Cylinder lifetime prediction has been an important topic. In this paper, an adaptive method based on Kernel Density Estimation is put forward for predicting the cylinder lifetime and getting the reliability function of cylinders. Kernel Density Estimation is a nonparametric estimation method of statistics. It can make full use of samples data without assuming distribution model. In the end, a comparison is made on the cylinder experiment between the proposed method and the common used parameter estimation method, Weibull distribution, and the results show that the proposed method has a more satisfactory performance.
The Reputation System Based on Auctions
Authors: Zeng Ming Fei , Yu Shun Zheng
Published: September 2014

This paper proposes some monetary policies for the reputation system based on auctions in p2p networks. In the model, releasers controlled the money supply of the auction market. The money supply can just satisfy the needs of peers. Let auction market keep fair and incent peers to share. And those policies can be implemented without centralized authority or infrastructure.
Study on Simulation of Evacuation Behavior to a Crowd in Public Buildings
Authors: Tian Yu Min
Published: September 2014

Generally traditional research methods to crowd evacuation depend on experiences and hand calculation, but the errors of these methods are clear. So computer simulation methods have become popular all over the world. The paper studied crowd evacuation behaviors by building EXODUS developed by University of Greenwich. Evacuation time and behaviors were simulated and some differences were compared with the results by hand and experiences, which can give theoretic and methodological guides to crowd management, crowd facilities design, evacuation analysis in buildings, establishment of emergency preplanning and so on.
Discussion on Collaborative Learning Model under Network Environment
Authors: Luo Ying , Zhang Xiang Qing
Published: September 2014

With the development of network technology and the reform of teaching ideas, the web-based collaborative learning is regarded as one of the network teaching strategy with promising prospect of development and application. The paper describes the models, design principles and strategies of the network collaborative learning.
Residents Stepped Increasing Price Regulation Model Design
Authors: Zhu Lian Yi , Zhao Zhi , Shi Ji Jing , Yan Xue Fei
Published: September 2014

Due to the electric commodity has universal service obligation, the existence of cross subsidy is reasonable. But as the resident demand increasing highly, the range of cross subsidy is expanding which result in unfairness between different residents. In order to encourage residents using electricity reasonably, frugally, fairly and environment-friendly, appropriate method should be implemented as a guide. The paper discusses the necessity of the stepped increasing electricity price and suggests a new idea that retain the peak-valley price while implement the step price. According to analysis, the model can not only recover the distribution company costs but also effectively play the electricity price adjustment demand leverage, which greatly promote the energy conservation, environmental protection and social harmony.
Research and Prospect of Educational Technology in China
Authors: Wei Jing , Pan Ji Xin , Zhi Jing
Published: September 2014

In the crucial decade, Chinese educational technology has been growing steadily. Doctoral Dissertation has high academic value, which lays a solid foundation for the discipline. A statistical study on 121 doctoral dissertations on educational technology is conducted, which includes publisher, year of publication, cited frequency, tutor, key words, research category as well as methodology by using Excel 2003, Note Express 2.0 and POSTCM 6.0 as the tools for statistical study. At last, the conclusions have been made. First, a variety of colleges and universities have carried out the research on educational technique, and the research questions cover a range of disciplines. Second, the study on educational technique, as a whole has been growing steadily. Third, instructional design and system development is still the study subject, and moreover, e-learning study turns to be a hot area of research. Fourth, in the aspect of tutor, inter-collegiate training and joint training can be seen. Fifth, learning, technique, instruction, design, system have become the key words. Sixth, the research category is relatively uniform, and information technology has become the focus of the research. Last, the research methods of educational technique have been notable characterized by diversity and a new paradigm has emerged.
The Research of Micro-Blogging Marketing Based on Six Degrees of Separation
Authors: Shao Kang , Wang Qing , Wang Kun
Published: September 2014

With Twitter's popularity, micro-blogging era is turned on in China, "concern" and "being concerned" is the form of micro-blog, it not only makes many stars and enterprises get better visibility, but also make many grassroots people release themselves. Many companies are beginning to use micro-blogging marketing to show them. Micro-blogging marketing has characteristics: low cost and to contact the target customers actively. So it makes enterprises and organizations makes the most use of its advantages, like high speed, low cost, convenience, breadth and other characteristics. So it can achieve the goal that to get a good interaction with the customers, and know the customers' needs and the evaluation to the organizations, so that it can enhance the brand of the enterprises. Based on Six degrees of Separation, the essay explore the social-network, to analysis the advantages of Micro-blogging marketing and the potential risk, so that we can research the influence on the enterprises which use Micro-blogging marketing.
The Collective Learning Model and Competitiveness of Industrial Clusters
Authors: Cai Yi , Li Shi Hua
Published: September 2014

There are few enterprises in economy scale among the majority of enterprises in industrial clusters, and they cannot carry out independent research-and-development of new products. Therefore, they have to rely on innovating resources of the clusters to enhance their comprehensive strength in competition. In this study, we analyzed the driving forces for collective learning in industry clusters, and try to establish a model for collective learning and competitiveness of industry clusters, and provided a new approach for upgrading industrial clusters.
Simulation Analysis of Optimized Construction Project Scheduling Model
Authors: An Qian
Published: September 2014

This study focus on the application of traditional scheduling model’s algorithm, algorithm’s mechanisms and solving effect of project scheduling problem solution. An improved project resource scheduling model based on Particle Swarm Optimization (PSO) is presented in this paper. Experimental results show that the algorithm has better performance in terms of scheduling success rate and convergence rate, better solution quality and has more advantages in the convergence rate.
Intelligent Logistics Decision System Based on Economic Benefit
Authors: Wu Jing Xin
Published: September 2014

The data mining technology has strong function of extracting unknown information and knowledge with potential value from irregular data. The data mining procedures are introduced in this paper, it is applied in the intelligent decision system, and application and the solving steps are analyzed. The composition of intelligent logistics decision system is described. Finally, the simulation is taken, and the genetic algorithm of data mining technology is proposed and it is applied in the intelligent decision-making system of logistics. The simulation results show that the system can be applied in the logistics planning and decision making, the data mining technology can provide guidance for decision layer.