Advances in Engineering Research

Gleeble thermal-mechanical simulation can accurately control the parameters such as thermal, force and displacement of certain working conditions, which has been widely applied in the HAZ simulation and other metallurgy behaviors. In this paper, Gleeble thermal simulation technique has been used to study...

Shield tunnel construction will disturb the surrounding strata and cause stress release and adjustment, resulting in uneven settlement of adjacent buildings and even collapse. According to the geological conditions of Ji'nan Railway Line 2, a three-dimensional numerical model is established. The analysis...

In this study, a self-oscillating polymer chain with Fe(bpy)₃ as the catalyst of the Belouzov-Zhabotinsky (BZ) reaction was synthesized to examine the influence of strong acid (due to its oxidizing power) on the self-oscillating behavior. The polymer chain with Fe(bpy)₃ underwent a soluble-insoluble...

To solve the problem of insufficient bandwidth in damping frequency, it is the key to advance the application of tuned mass damping method in architectural design. This paper presents the idea that the tuned mass ratio increases the bandwidth of damping frequency. Based on deterministic excitation, the...

In this paper, the effect of preparation conditions of the catalyst MIL-88A were investigated. The results shows that MIL-88A with the raw materials proportion of n (Fumaric acid/ Fecl3?6H2O)=1:1, the synthesis temperature of 85? and crystallization time of 2h, activation temperature of 100? and drying...

The mechanical properties of rubber materials are complex, and the strength problem is getting more and more attention. This paper summarizes the research status of mechanics experiment of rubber materials under dynamic and static load, commented recent years domestic and foreign the progress on the...

point bar reservoir is the key development object in the late development of Daqing Oilfield, in this paper, the numerical simulation based on the construction of the point bar is carried out on the basis of the modeling of the point bar. Through dynamic data generating simulated well history and acquiring...

As a superconducting radio-frequency (SRF) cavity is a thin-shell structure with several thin bellows to bridge to its cryostat, any external excitation readily induces oscillations. The operation of a SRF module becomes unstable when the RF resonant frequency varies, due to mechanical vibrations, to...

On the analysis of the electrochemical abrasive belt polishing technology, the main process parameters and equipments for the compressor crankshaft are selected; a set of finishing experiment plan is designed. The results show that the polishing process can reduce the surface roughness obviously, and...

In this study an experimental investigation was carried out on a turbocharger with variable nozzle turbine (VNT) and exhaust gas recirculation (EGR) system reducing emissions of a direct injection diesel engine. In the EGR system, the exhaust gas was tapped off before the turbine, cooled, and mixed with...

Objective: aiming to establish a new strategy based on uniform design and genetic algorithm and applying in the optimization of the separation condition of Ginkgo biloba extract using reversed-phase liquid chromatography according to traditional optimization methods. Methods: based on uniform design...

The probability approach is the most popular way to quantify uncertain parameters and perform reliability analysis. The problems of structural optimization and robust design for laminated composite structures with reliability constraints are addressed in this paper. A new methodology to determine the...

To prepare SiNx thin film with good compactness, fast deposition rate and stable performance, plasma-enhanced chemical vapour deposition (PECVD) is adopted to study the influences of different technological parameters on the properties of SiNx thin film. The experimental results indicate that SiH4 and...

In terms of environmental protection problems relating to the stripping technique of glued cellophane tape, apart from equipment demands being very high, most operators in Taiwan still manually strip the tape. The processing speed is thus slow, and cannot meet operators’ expectations, which means that...

With the low altitude airspace open in succession in China, the general aviation industry of China began to develop rapidly, so general aviation development prediction has become one of the pressing needs for the future planning of the government and the general aviation enterprise. In view of this,...

Southern Shaanxi region has abundant featured resources. However, due to lack of guidance of characteristics planning theories and methods, small towns gradually lost their own characteristics in the rapid development. Based on the interpretation of the concept and constitution of town's characteristics,...

In multi-component spectral analysis, informative variables selection is important to get satisfied performance. The present research intends to establish relationship between eggs freshness and NIR spectroscopy, and build a compact and robust calibration model. Graphically-oriented local multivariate...

Morphometric and meristic characters are authentic methods for the specimen identification. The study on morphometric and meristic characters in fishes is important for the differentiation of taxonomic units and are able to spot differences between fish population. This study aims to analyze and determine...

Tea polysaccharide (TPS), which is considered to be another important active ingredient after Tea Polyphenols Relay, consists of monosaccharides which have a variety of biological activity and the complex structure. It has hypoglycemic, lipid-lowering, anti-thrombosis, anti-oxidation, anti-aging, anti-atherosclerotic,...

Jogging has many benefits, and one of them is to lose weight. Calories burned while jogging cause weight loss 90% more than just walking alone. The fact that often happens is that someone is exercising by forcing his body that has passed his normal threshold. This results in over or lower combustion...

Salinity and pH stress have effect on bacterial growth, enzyme activity and cell biomass. Optimum salt concentration and pH were need for the normal growth of bacteria except for halophiles, acidophiles and alkaliphiles. Different concentration of salt (2.5, 5, 10 and 20%) and pH (5, 7, 9 and 11) were...

This article describes the correlation function and the angular energy spectrum of scattered waves for terrestrial paths to distribute radio waves of the space propagation path and diffraction. The angular energy spectrum of the scattered waves on such paths is multimodal and causes the periodic nonstationarity...

Based on mining in working face floor karst collapse column, the damage of surrounding rock and the water inrush of GeTing coal floor of concealed karst collapse column as the research object, using numerical simulation software FLAC3D for mining stress field and plastic failure zones in the process...

There are many electric vehicles charging stations in distribution network.Uncoordinated charging electric vehicles load is large and changes quickily,it brings risk to the operation of power grid. If taking each station as an independent unit, which will reduce the practicability of the proposed strategy...

As the gradual improvement of environmental awareness in recent years, electric vehicles (EV) have made great progress. The paper first analyses the influencing factors of the electric vehicle's load characteristics, and then selects three load characteristic index of electric vehicle, divides the electric...

Based on the casting technique analysis on the temperature field and the velocity field for the low alloy steel, low alloy steel(LAS)/ high chromium white cast iron(HCCI) bimetal wear steel plate was prepared by two liquid bimetal composite casting process. The microstructure of interface layer of wear-resisting...

The paper analyzes the current power system harmonic estimation algorithms which have a considerable number of shortages. In order to improve detection precision and reduce the computational complexity, we can combine the ESPRIT algorithm with improved PASTd algorithm, consequently, achieve the rapid...

Simulation is a handy toolkit of scientists and engineers of all disciplines. Modeling and simulation helps in overall reduction of cost, increases the quality of products and systems, and documents and archives lessons learnt. This paper reviews modeling and simulation of cell biological systems in...

Development of favorite tourist destinations in Derawan Island and other places in the southern coastal region of Berau Regency, East Kalimantan, must be supported by the provision of good transportation infrastructure and services to encourage connectivity so that it can increase tourist visits annually....

Chinese cabbage plants were ones of the horticultural plants that have high economic value and support for national food security. The public demand for Chinese cabbage was increasing to meet market needs; this research needs to be done. The aim was to determine the effect of multi-use of SS organic...

Few years ago, there are some research or publication about 3D simulation especially virtual surgery that still continuous growing, that is 3D deformable object. The 3D deformable object resembles or mimic some object. The purpose of the research is to continue or add previous research especially in...

The paper presents a comparative analysis of energy transmission methods based on electromagnetism: non-radiative alternating electric, magnetic and electromagnetic fields. The examples of practical realization of the presented technologies are considered. The multi-criteria approach for analyzing the...

Since 1990, due to Mongolia’s transition to a free market economy, the migration of the population to cities, especially to the capital, has rapidly increased. As a result, urban lands are expanding, forest use around the cities is becoming more chaotic, and the impact of urbanization on forests is increasing....

Nowadays, thieves aim for a vehicle’s wheel rims because it has the least security among all parts of the vehicle. It can cost up to a thousand ringgit for sports rims especially. Products are available in the market with lug-nut structured key which may help to secure wheel rims. However, they are not...

Simultaneous localization and map building (SLAM) is a key problem for an intelligent robot to accomplish autonomous navigation. And the results of data association are of key importance to the success of the SLAM. In this study, two bottleneck issues constraining SLAM data association are discussed...

The negative-pressure chip removing device is a powerful tool to ensure chip removal smoothly in deep-hole processing. The paper establishes a mathematical model of the negative-pressure chip removing device, ana-lyze the key factors which influencing the effect of pumping crumbs, simulated and contrast...

In recent years, the domestic pharmacological research and clinical application of rhubarb are far more breakthroughs the scope of the role of diarrhea can be explained, it is widely used in internal and external women and children and other clinical diseases of acute and chronic diseases. Its medicinal...

Abstract. Objective: To explore hand traumatic tissue defect in the microsurgical repair methods and their effects. Methods: We use the index finger dorsal island flap, stitched nerve dorsal finger artery retrograde island flap, adjacent finger flap, dorsal metacarpal artery retrograde island flap and...

Grey correlation model is adopted for analyzing corn output value per mu in Heilongjiang Province and influencing factors from 2006 to 2013 aiming at status quo of corn cost and benefit in Heilongjiang Province. Results showed that influencing factors of corn output value per mu can be sequenced as follows...

In the paper ,a new approach to design discrete sliding mode guidance laws is presented based on the target-missile relative motion equation in three-dimensional space. The paper also proposes a new method to estimate the real-time target acceleration through the Extended State Observer. Finally, by...

Instrument Landing System ILS is widely used in flight precision approach at present, therefore a operational risk evaluation system is in need of protecting the instrument safety operation in theory. This article adopts SHEL model for setting up a risk evaluation system and adopts analytic hierarchy...

According to the application of sediments in the research of deep sea,this paper designed a kind of Time Series Sediment Trap control system.This system used MSP430 microprocessor, combined with the clock chip, stepper motor and sensors,realized the equipment working under water for a year,and recorded...

In this paper, weighted Support Vector Machine was introduced. And the weighted Support Vector Machine was improved. Some methods of determining weight were introduced, and the comprehensive method of determining weight was adopted. Simulation results indicated that the total accuracy rating by improved...

The safety of production in mines are significantly affected by Ordovician limestone water disaster from coal floor, it is very important to evaluate and forecast floor water invasion. Analyzing its influence factors and setting as evaluation indexes for risk assessment of floor water irruption. The...

Pseudo-Random binary sequence source is introduced to artificial electromagnetic method, it is necessary to use special technique to process the signal in time domain. In order to test the quality of data processing technology, it is indispensable to compose electromagnetic signal of simulated model...

This paper reviews the development process of super-resolution reconstruction and compares the advantages and disadvantages of multi-frame super-resolution reconstruction algorithm in detail. At the same time, the super-resolution algorithm based on Bayesian inference is simulated. The simulation results...

The work presents the results of comparative chemical and thermal processing analysis of components at one of the small enterprises of the Central Black Earth Region and one of the plants in France. The modern examination equipment allows carrying out the metallographic studies more accurately, developing...

Computer vision theory, the 3d object reconstruction is always a very important research subject. Most humans are attained through the visual perception of information, but in the real world, people think it is 3d information, how to better performance, the 3d information, to be one of the hot topics...

The grid now has the capacity of big data basic services, building an application system of big data electricity services is needed for data decision, data management and digital operation. First, started with information value theory, the analysis of many energy demand value information which were aggregated...

This study investigates managerial insights to facilitate the robust construction of a responsive and sustainable supply chain network. The two goals typically contradict each other because a fast, responsive supply chain may consume sizable resources. A fully optimized supply chain, which operates at...

The RFID (Radio Frequency Identification) can be defined as Automatic identification technology which uses radio-frequency electromagnetic fields to identify objects carrying tags when they come close to a machine reader. In this paper authors designed the analog part using frequency 13.56 MHz in the...

In order to find an effective secret key generation scheme in wireless networks, many based on received signal strength methods have been proposed. However, the secret bit rates of existing schemes are relatively low. To resolve the problem of low generation rate, a vector quantization scheme is proposed...

Visible-light responsive photocatalyst BiVO4 were synthesized by simple precipitation method, following by calcination process. The phase structure, morphology, specific surface area and optical absorption properties of as-synthesized BiVO4 were characterized by XRD, SEM, BET, UV-Vis DRS and FTIR, respectively....

In order to improve the utilization rate of solar energy, A STC89C52 SCM to control the core of solar panel automatic tracking system is designed in this paper. It adopts the method of photoelectric tracking and sun angle tracking. The system judges sunny or cloudy by the weather detection circuit. When...

Clustering is one of the important techniques of data mining. It can be divided data into several classes or clusters according to certain rules, which makes the data objects of the same class have high similarity, and the different data objects are very different. In this paper, the clustering algorithm...

The external volt-ampere characteristic of the rectifier and inverter station of the VSC-HVDC (Voltage Sourced Converter-High Voltage Direct Current) system is simplified and the dc network equivalent circuit of VSC-HVDC system is built. The small signal model of the VSC-HVDC system is then derived....

High dynamic range (HDR) images give the human visual system (HVS) a better visual experience due to their wide luminance range. However, traditional display devices can’t capture such a large luminance dynamic range, which needs to be remedied by tone mapping (TM) operation. In addition, TM images usually...

The general appearance and frequency of placement of folds in space are likely to influence the wave nature. Postsedimentation transformations of hard carbonate strata of the upper Cretaceous, caused by such stresses, have a clear periodic character. Formalized shape of the normalized indicators of secondary...

In modern times, with the rise of high buildings, the timber piles were replaced by steel piles, precast concrete piles and various composition foundation, the main reason is that the soft ground improved with timber piles has the weakness of low bearing capacity and large post construction settlement....

Juana River is a river in Indonesia having high vulnerability degree toward flood occurrence. The major factors causing flood in Juana River are river slope having value of 0,00001 and narrowing river channel. Therefore, the river experiences discharge capacity reduction. Juana River flood mapping is...

In this paper, the new use of new materials for conservation landscape, especially wood plastic composites, is used as a starting point. The principles and strategies for the application of new materials in contemporary urban landscape are analyzed, and the artistic modeling design and example of plastic...

The chemical composition of three cajuput essential oils of Melaleuca cajuputi (M. cajuputi) from different area in Indonesia were analyzed using gas chromatography–mass spectrometry to determine the similarities and differences among their volatile chemical compositions. These cajuput oils come from...

East Indonesia has abundant natural resources, one of which is sea cucumber. This organism has anticancer activity but it has not been explored further. Based on the database of Traditional Chinese Pharmacology System, it has 586 compounds. Thirty-seven of these compounds have molecular weight similar...

The skeleton plays an important role in sex determination in forensic anthropology. The skull bone is considered as the second best after the pelvic bone in sex determination due to its better retention of morphological features. Different populations have varying skeletal characteristics, making population...

This paper proposed one kind of improved design of pressure relay based on optical switch aiming at the problem with pressure relay, for example as large switching value, large deviation of set point, low repeatability, etc. Firstly, the structure and principium of pressure relay was analyzed, also the...

Single factor test was applied to study on the engineering properties of modified raw soil, by which the reasonable range of grass, cement, quick lime, and fly ash were determined. The effects of various factors on the bending strength of modified raw soil were studied by orthogonal test method, and...

Pattern Recognition is a very urgent research area in intelligent information processing and computer intelligent perception, such as computer vision, content-based retrieval, image-processing, etc. In general, the research on pattern recognition is carried out partial separately as feature extraction,...

Under the promotion of relevant policies in the country, China's agricultural land transfer appears to accelerating development situation. Along with the rural information infrastructure gradually improved with increasingly using of big data, cloud computing technology in the field of agriculture, the...

This research aims to analyze the influence of market attractiveness and resource capabilities against the primacy of the airlines in Indonesia. The unit of analysis in this research is the national airline company in Indonesia with the unit of observation is the leadership of the national aviation company....

The theme of World Water Day in 2015 is water and sustainable development, which arouse our great attention to clean water scarcity. There are two models in this paper. Model one is the application of system dynamics in water resources. Aimed at the dynamic nature, the main factors of level, rate and...

The article discusses the current problems of the territorial development of the rural settlement of the region. The authors considered the main approaches formed at the federal level to solve the problems of socio-economic development of the country and regions. The formation of strategic planning of...

Many buildings were built using zinc roofs in North Sulawesi province, Indonesia, there is more than 92 percent of buildings with zinc roofs. Buildings in humid tropical climates often face the problem of excessive heat due to the solar radiation accumulates, especially on roofs that can propagate into...

Nowadays, not all traditional buildings are still standing firmly on. Many of them have disappeared by nature disruption or by cultural distillation. This study aims to promote Baruk spaces meaning as a traditional house of Bidayuh, who settled in the western part of Borneo Island. Through its structures...

Based on real market research, the impact of online evaluation of cross-border e-commerce on online purchase intention was analyzed. Twelve questions are listed from four aspects, namely, basic problems, consumers’ purchase status on cross-border e-commerce platforms, the importance attached to online...

Tanamori, West Manggarai, East Nusa Tenggara, as a tourism destination area development in Indonesia needs to be supported by the existence of roads as the main means of its development. The road plan is in an area with heavy terrain so it takes a long transportation time. The limited time for completion...

The wideband microstrip antenna is a development of the purpose of this study is to design a wideband antenna at a frequency of 1030 MHz–1090 MHz which will be applied to the Monopulse Secondary Surveillance Radar (MSSR) antenna. The study uses a single microstrip antenna using the DGS (Defected Ground...

Biomass co-firing is one of alternative way for Coal-Fired Power Plant (CFPP) to achieve green energy. Indonesia as the world’s largest producer of palm oil, has the chance to convert palm oil waste into a relatively sustainable biomass for use as co-firing fuel in CFPP. Biomass combustion, on the other...

Based on the basic properties of the green material itself, environmental adaptability and feeling of comfort, analyzes that green materials should follow the basic principles, that are the use of good workability, good processing manufacturability, best economy, good aesthetics, non-toxic harmless and...

The article, taking neural network (NN) as the tool and electric actuator as study object, proposes a diagnosis method for electric actuator based on self-organization competitive neural network, by which state diagnosis is realized with discrimination capacity of nonlinear dynamic system of neural network...

A supramolecular guest copolymer (PNAP-co-PAM) based on naphthol-containing monomer (NAP) and acrylamide was synthesized via Atom Transfer Radical Polymerization. The structure of supramolecular guest copolymer was characterized by NMR and GPC. And the self-assembly behavior of supramolecular guest copolymer...

To study the effect of total CFO airflow on ventilation determination and confirm the effect of airflow rate at filter end on measurement of actual degree of ventilation, this Paper first established 3D simulation model of standards flow field for degree of ventilation, by setting the initial condition...

Secure Socket Layer (SSL) technology is widely used to provide a safe and secure environment for network communications. But the Secure sockets layer cryptographic library OpenSSL-which includes cryptographic algorithm, cipher code, certificate encapsulation, SSL protocol implementation-is not absolutely...

Aims at the lacking of our research information management in the sports, we design the system of research information management in order to solve this problem. This article first analyzes the system, describes the evaluation of system process and requirement. Then, we can find the detailed analysis...

In this paper, Rare earth (La, Eu, Sm) hydroxide nanorods have been prepared by facile hydrothermal treatment of the corresponding bulk oxide powders. The obtained samples were characterized in detail by scanning electron microscopy (SEM), X-ray powder diffraction (XRD) and transmission electron microscopy...

To enhance the defense capability of information security in smart grid and protect the data exchange between intranet and external information network, a kind of safety device has been produced that achieved effective control of information network data access. On the basis of the company 's multi-channel...

Machine spiral bevel gear tooth surface will be associated with the machine error in the event of a failure, the mathematical model with the use of the new method of calculation error based on better understanding of spiral bevel gears, the error theory and the law of error flank tooth surfaces calculated....

We present an example of deterministic network models in an iterative fashion. The network has small-world effect, scale-free topology and high degree of tolerance against random failure. We propose some new parameters for this model in order to further discuss the damage rate, such as collapse-rank,...

In this paper, different proportion of activated carbon was added to the Rehmannia glutinosa continuous cropping soils including first and second stubble to adjust the phenolic acids content and microbial biomass and improve the soil environment after continuous cropping. Results showed that vanillic...

The problems of rock outcrop self-sustainability maintenance in mine construction are considered. The basic requirements to the applied types of supports are formulated. The new design solutions for some kinds of supports are proposed.

LiFePO4/C microspheres were synthesized by a rheological phase method using nanoplates assembled quasi-microspheres of FePO4·2H2O as raw materials, and the FePO4·2H2O precusors were synthesized via a hydrothermal process. The FePO4·2H2O precursors were characterized by XRD and SEM, and the LiFePO4/C...

Hangjin 2# clay (HJ) was used as the supporter for nanoscale zero-valent iron (nZVI) to fullfil an affordable and efficient decontamination material HJ-nZVI. In comparison with the kaolinite (K) and montmorillonite (M) supported nZVI materials (K-nZVI and M-nZVI), HJ-nZVI exhibited the best performance....

The treble-circuit transmission lines are widely used to increasing energy transportation efficiency and saving land. Because of symmetrical electric structure, the treble-circuit transmission lines suffer from lightning trip-out for more than one circuit in a lightning strike. In this paper, an analysis...

The rational use of limited land resources is of great importance to the division of land space and the coordination of man land relationship, strictly implement the ecological function orientation of Karst mountain area, on the basis of scientifically defining three kinds of space: Town, agriculture...

The optical current transformer play an important role on the security and stability of the power system especially HVDC. The HVDC control and protection system cannot be field verified without field simulation for the optical current transformer secondary signal. But the existing method for field simulation...

Multi-level inverter is now becoming an efficient and promising technology in sorts of applications, especially in high level voltage inverters. However, the unbalanced voltages between two DC-link capacitors while operating the Neutral Point Clamped (NPC) three-level inverters is an inherent problem,...

In view of the backward lighting control methods in many domestic railway stations,an automatic lighting control scheme using industrial PC as control core and wireless sensor network to collect illuminance information for feedback control is proposed.The wireless sensor network is designed to achieve...

Currently, there is the practical reliability of roads in terms of safety, durability, maintainability, operability and other important consumer properties of the groups of providing of significant speed, continuity, convenience and traffic safety. These include throughput and traffic load, permissible...

Integrated Pest Management (LIPM) is an innovation of Integrated Pest Management program to achieve effective sustainable agriculture in a wide area. This program has been implemented in some regions as the Indonesia's food storages including Central Java, East Java and West Java. Research on the application...

Over the past few decades, nano-sized semiconductor powders for use as photocatalytic degradation of organic pollutants have attracted attention due to many advantages. In this research, a new composite material WO3-ZnO/molecular sieves (MS) was synthesized by precipitation method and hydrothermal method....

At present, with the development of social economy and science and technology, the application of computer network technology in social life is more and more extensive. As an important part of network communication technology, transmission technology has become the main research direction and people...