Advances in Engineering Research

With the wide application of RDF(Resource Description Framework) data, the data volume grows rapidly. Therefore, RDF storage has become a hot research issue in data storage field currently. Distributed storage is an effective way to solve the storage and query of RDF data, and data partition is the premise...

Energy shortage and environment pollutes aggravate ceaselessly all over the world. As a green clean pollution-free renewable energy, tidal current energy has characteristics such as large reserves, wide distribution, predictability, little environmental pollution, etc. Development and utilization of...

Titanium nitrides composite ceramic coatings are a material which possesses high mechanical properties, being often used in order to protect the substrate thus increasing their lifetime and also working in harsh environments.In this study, the paper presents the experimental results on deposition of...

Starting from the whole life cycle of the distribution network planning project, overall consideration should be given to the cost at different stages within the projection period distribution network planning project, and the time value of money. At the same time, consideration should also be given...

The safety coefficient based on finite element method (FEM) has not corresponding evaluation standard, which limits the usage of FEM in roller compacted concrete dam (RCCD). In order to popularize FEM to RCCD more widely than ever, it is necessary to study the evaluation standard for RCCD safety coefficient...

In engineering design and experiment, the speed of DC motor is often controlled. The common way is to generate PWM wave through timer, and adjust the speed of motor according to duty cycle. In theory, the velocity is proportional to the duty ratio. But in practice, because of the resistance, friction,...

This paper is concerned with the problem of reachable set estimation for fuzzy cellular neural network with unit-peak bounded. Based on the Lyapunov-Krasovskii functional approach, delay -dependent conditions for estimating the reachable set of the considered system are derived. Moreover, an example...

Marble powder is produced during the production of marble waste, the Chemical compositions of marble wastes were comparable with limestones. Therefore, the marble powder can be used instead of limestone flue gas desulfurization. In view of these, the marble powder can be alternative sorbent in WFGD....

In order to deal with the problem of trajectory privacy disclosure in mobile social network, this paper proposes a personalized mobile social network trajectory privacy protection scheme based on sensitivity degree. First of all, according to the various types users of different privacy needs, the appropriate...

This research is focusing on a single project with intention of achieving in-depth understanding on how the handling of the power plant project deviation. This research is focus on the delivering process of heavy lift equipment to Nabire by PT. Agility International. How do PT. Agility International...

This study examined student engagement and equity in STEM education in Ghana through sociocultural lenses, focusing on cultural and gendered barriers and geographical disparities among Junior and Senior High School students. The goal was to generate evidence to inform inclusive STEM education policies...

Bacteria concentration is one of the important parameters throughout the fermentation process, and in the whole process of fermentation it is an important basis for judging the feeding. Bacteria concentration in the end is the important factor that affects product concentration, so the appropriate bacteria...

This paper analyzes favorable properties and realization principles of probabilistic neural network and elaborates the original image pre-processing and normalization processing of hand-written numeral, proper vector extraction, network model building, and other key techniques. Finally, this paper checks...

So far a large number of researches have shown that the cyanophages have a higher diversity in the marine and freshwater environment, but the report about the genetic diversity of cyanophages in wetland is little seen. In order to understand the genetic diversity of bacteriophage communities in Napahai...

With microcrystal muscovite (MCM) as the carrier, butyl titanate as the source of titanium, acetic acid as the inhibitors, copper nitrate as dopant, Cu-doped nano-TiO2/MCM composites were prepared by the sol–gel method. Then the composites were calcined at 500 oC for 2 hours. The samples were characterized...

The damping valve structure of shock absorber usually takes throttle slice as the main part, when the pressure difference at both ends of the valve and the pretightening force of the valve slice can be overcome, annular gap will be formed between the valve body and slice to form throttle channel, so...

The new MPEG-H/H.265 High Ef ciency Video Coding(HEVC) standard greatly promotes the video compression ef ciency and also creates new opportunities and challenges in perceptual video coding. To measure the perceptual quality, Mean Opinion Score (MOS) is obtained by averaging human scores in subjective...

Compared with low-solid state, high-solid anaerobic digestion has the advantages of requiring less reactor volume, less energy input for heating and mixing and producing nutrient-richer fertilizer. Besides, it also has a higher net energy yield. It is urgently necessary to pay attention to the resource...

In order to cut down fresh water consumption and reduce wastewater emission in industrial production, water pinch technology principle was introduced to optimize the design of water supply network of the coal chemical industry. The results show that under the premise of ensuring adequate water consumption...

With the rapid development of civil aviation and the significant improvement of people’s living standards, taking an air plane has become a common and efficient way of travel. However, due to the flight characteristics of the aircraft and the sophistication of the fuselage structure, flight delays and...

In general, an image of woven fabric sample can be regarded as a typical textured image. The detection of local fabric defects is one of the most captivating problems in computer vision and has received much attention over the years. In the textile industry, careful inspections for woven fabrics have...

Fissures in the high stress mass of deep buried had a great influence on mechanical properties and wave velocity of rock mass. Based on similarity theory, Rock like materials simulated deep buried marble of Jinping-II Hydropower Station. Under different fracture and different confining pressure, the...

In numerical simulation of Concrete Filled Steel Tubular (CFT) columns the treatments to simulation the contact between steel tube and concrete differed greatly between the researchers, and there is also no any unified standard for the friction between the concrete and steel materials. To examine proper...

Flame-retardant epoxy resin composites were prepared via in situ polymerization of diglycidyl ether of bisphenol A epoxy monomer and 4,4'-diaminodiphenyl methane, using 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide as additives. The thermal and flame-retardant properties of cured samples were investigated...

The pressure pulsation of network can be reduced effectively by using buffer,discussing the effect of the tangential inlet buffer and radial buffer with different outlet conditions. The reason that affects buffer performance can be gotten through the analysis of internal flow flied and fluid path lines...

Purchase behavior trend of online shopping customers is predicted in this paper via a Negative Space-Trust Model. Based on cognitive psychology, this model we build mainly focuses on the influences of three types of negative space proportion in e-commerce webpage design (negative space proportion of...

The light steel-wood- plastic structure of the Dai national folk houses combines the development history of Dai buildings and national culture, which is a new structure suddenly rised. This structure not only meets the local living requirements, but also is one green building.Besides, the structure is...

As the rapid development and the broad usage of Transformer-based models like ChatGPT and Gemini, and the popularity of edge devices like mobile phones, the request of deployment of Transformer-based models on edge devices is growing urgently. However, the original Transformer-based models have numerous...

As the hub equipment in the distribution network, the transformer fault is difficult to diagnose because of its complexity and diversity. The reasons causing these failures are very complex and unobvious which make the transformer fault diagnosis and analysis very difficult. If the state of the transformer...

China and the United States are the top two carbon emitters worldwide, and bilateral trade between the two countries plays a vital role in driving their emissions. Defining the key drivers and sectors for the emissions embodied in China-US trade will provide opportunities for identifying avenues for...

An integrated wireless control and operation, intelligent detection, intelligent control and discharge mode of transcranial electrical stimulation system is designed. The stimulation system can real-time detect and adjust immediately to electromyography, the stimulation parameters according to the results...

In this paper, decoupled form of CFD methods considering important design parameters is applied to model and predict the surface flow on fluids. Application of Coanda-effect on-going trends of particle removal methods for determination and prediction of cleaning performance in a camera lens is a new...

We address the problem of describing and integrating long range information efficiently, such as the information demonstrated by super-pixels (patches), into conditional random field (CRF) model for object segmentation. For those purpose, a novel structural relationship between patches are defined for...

In order to shorten the shipboard stable platform’s development cycle, reduce its development cost and facilitate experimental research, a new type of six-axis simulation/testing turntable was proposed in the paper. The turntable’s application and performance index were introduced from the system's composition...

In this paper, we summarize the progress in the aspect of increasing field of view in adaptive optics. We present the isoplanatic challenge and the limits of conventional adaptive optics. Moreover, we briefly list the development of tomography and researches on the error of tomography in theory and experiment...

Cattle demodicosis takes a special place among parasitic diseases. It causes economic damage due to considerable reduction of meat and milk production, quality of rawhide, reduction of the breeding value of young stock, body resistivity and even the death of animals. The purpose of the study was to analyze...

The detecting unit of the roller automatic production line detects the key parameters of each roller and archive them, to analyze whether the roller product performance standards according to the detecting information. The detecting data was stored into SQL database using the VBS of the WinCC software...

Concrete exhibits low thermal conductivity due to its inherent material properties, enabling it to trap and retain heat for extended periods. Its high thermal mass and moderate specific heat capacity slow heat release, creating cooling challenges, particularly in urban areas of Bangladesh during summer....

To accurately predict and design deflection rate of screw tools is one of the key technologies to steering drilling. The artizaoxiel cle based on the principle of minimum potential energy, considered the influence of clearance between the side-wall and the stabilizer on deflection rate, gives a definition...

Due to the operating poison is far, the line of sight is not good, inconvenient operation is caused when using the operator lever, in addition, replacing insulator need to be replaced different functions pin puller. To solve the problems, this paper development a visual multifunction control lever and...

This paper designed an indoor environment monitoring system, in order to enhance the quality of indoor air. This system can accurately measure the temperature, humidity and the concentration of oxygen, carbon dioxide, carbon monoxide, formaldehyde, PM2.5 and PM10 using the sensor array and transfer the...

This paper is based on the traditional network of bayesian, introducing the concept of the time window, to construct the Temporal Bayesian Network (TBN) model. In addition, optimizing TBN model reasoning algorithm to process system data which has the temporal haracteristic. Then we can obtain the posterior...

This paper proposes a current compensation system for dc offset in transmitting digital-analogue converter (auxiliary DAC) firstly, which solves the DC offset existing in DAC output current. It greatly enhances the flexibility of the output DC offset controlling and improves the consistency of output...

Corner detection is a kind of important method for image feature extraction.This paper analyzes the Harris corner detection algorithm, due to the phenomenon that original algorithm of corner response functions are gathered is existed in the high resolution image detection, this article solves the distribution...

with the fast rapid development of high-speed railway and heavy haul, the company of a locomotive bogie assembly line production capacity and production efficiency needs to be improved. In order to improve the production efficiency of the assembly workshop of the bogie and improve annual output and save...

This paper analyzed the content, distribution, source and background level of Cu in Jiaozhou Bay and the open sea based on investigation data in 1985. Results showed that the Cu contents in surface waters ranged from 0.10-0.43 " "g L-1, and were meeting Grade I in Chinese Sea Water Quality Standard,...

Multi-walled carbon nanotube (MWCNT)/Pb-Sn composite coatings and Pb-Sn alloy coatings were prepared by electrodeposition technique, respectively. The Internal stress of the coatings was studied through changed the Process parameters and the binding force of the coatings were compared through Thermal...

Economics affordability like safety, reliability, maintainability, is the inherent attributes of aircraft. Total life cost is the main economic index for aircraft. Active economic design for aircraft shows cost as independent variable. And economic design should consider total cost throughout the product...

Forecasting passenger flow accurately, especially for the whole network, is extremely important for the holistic optimization of transportation organization. This paper is concerned with the entire high-speed rail network, not just focusing on one single channel, and proposes a complete forecasting process...

Bacteriophage is abundant in various aquatic environment. Napahai is a seasonal plateau wetland located in Yunnan of China. But the reports on phage abundance of Napahai have not been seen. The object of this study was to make an accurate estimation for phage abundance of Napahai. We collected water...

This paper proposed a straw logistics radius optimization model on the base of analyzing the cost and profit of the biogas and manure co-generation, to obtain the maximized per-unit scale profit. Through mathematical differential method, the relationship between the optimal straw logistics radius and...

Al2O3-metal composite coatings were successfully prepared on carbon steel substrate by self-propagating high-temperature synthesis(SHS) melting-casting means.The effects of transition layers of a bi-layered structure on the interface combination status of the coating were studied in detail,including...

mathematic base of travelling wave is firstly analyzed in this paper and then one novel type of calculation method for travelling wave fault location for non-open circuit faults is proposed. The usage method in actual application is proposed to enhance the accuracy of traveling wave fault detection in...

In order to suppress the mixed noise composed of salt & pepper noise and Gauss noise in a digital image, a filter algorithm for suppressing mixed noise based on grey relevance is proposed. The algorithm classifies the noise point in the center of the filtering window, calculates the correlation coefficient...

Aiming at the issue of constrained optimization problem of assignment for shipborne missile weapon, hybrid genetic algorithm has been proposed in this paper, which can get global optimization results of the assignment, and provide decision support for the assignment.

Using finite element software SYSWELD, we did three-dimensional dynamic simulation studies of 304 stainless steel flat TIG welding temperature field. The results obtained transient temperature field distribution chart and thermal cycling curve of feature points. Compared with literature data, the established...

With the rapid development of the communication technology, the traditional routing algorithms which only consider functional QoS metrics are difficult to meet the needs of applications. In this paper, we propose a trusted routing algorithm to overcome this problem. First, we propose a trust evaluation...

Plant remediation is a new developed technology for remediation of heavy metal contaminated soil and become a hot spot in this field. Mining ecotype Sedum alfredii Hance can enrich heavy metal ion of contaminated soil and have advantages of large biomass, fast growth, wide adaptability and multiple harvest....

In order to meet the requirements for multi-connected inverter air-condition of diversified service, intelligent control and reliable operation, an embedded home gateway terminal system based on STM 32 signal chip microcomputer, WIFI network and RS485 communication technique has been designed and is...

This research is about student leadership development. The aims of this study is to reveal in-depth students’ understanding of leadership development and their views on the perceived impact. This study used a qualitative approach, with Focus Group Discussion (FGD) as data collection technique. Participants...

Modern times have created various devices to help human lives in homes, offices, and other buildings. However, most of these devices still rely on manual or conventional operation which creates some inconveniences, including limitations in monitoring, remote control, safety, and inefficient energy usage....

The height of the main beam of the radial gate is an important design parameter. This paper defines the dimensionless expression of beam height, and the beam height of the double cantilevered main beam of the radial gate is studied. Considering the cooperative work of panels, partitions, and other members...

Innovation became important today’s generation. There are new-found technologies to help users to cope with the fast and modern development of technologies. The study “I love Tacloban App” is an Android application that provides information when visiting Tacloban City. Everything the user wants to know,...

With increasing service life of offshore platform, the platform components have different degrees of damage and aging. In order to ensure the safety of offshore platform, the structure monitoring need to be implemented. The optical fiber sensing network is composed of FBG(Fiber Bragg Grating) accelerometers,...

Combination of Linjiang hongshui river super major bridge engineering practice, the bridge span structure during the construction of CF60 of concrete raw materials and mix proportion, cantilever casting construction technology points and structural health monitoring, quantitative engineering health indicators,...

In order to solve the problem that simulation accuracy and simulation flexibility is difficult to take into account in real-time simulation of high frequency converter, a real-time multi-rate simulation method based on FPGA+PC is proposed. This method fully demonstrated the simulation principle of multi-rate...

To evaluate the performances of a new selective plugging agent system, the lab experiments are carried out, it can be concluded that: The plugging agent system has the ability of selective plugging for water and gas; with the increase of the water saturation, the plugging rate of both water and gas are...

Aiming at the problems of real-time and reliability of the Network Control System(NCS) in coal mine automation, the performance of monitoring system based on Industrial Ethernet is studied. Through theoretical analysis and computer simulation, the real time performance including network delay, sampling...

In order to study the pyrolysis process of Ethylene Propylene Diene Monomer (EPDM) insulation material and its compression mechanical behaviour under high strain rates, the thermal stability of EPDM was analysed by TGA in the first place. Based on the TG curve and the thermal degradation temperature,...

Fault in Tahe Oilfield southeast slope has a positive meaning for more oil and gas reservoir, it can be divided into eight groups. Three of them have significant control action for the gas-water including north-south, NNE and NEE. They have closely related with fracture and karst reservoir seam holes,...

A nanocomposite film based on Dawson-type polyoxometalate cluster (P2W18) carbon nanotubes (CNTs) and chitosan (CS) were prepared on quartz and ITO substrates by layer-by-layer (LbL) method. These lms were characterized by UV–vis spectroscopy, cyclic voltammetry (CV) and Scanning electron micrographs...

Combined with the Heilongjiang economic and trade development is particularly urgent requirement to build regional free trade zone border, by analogy analysis, judgment and reasoning methods, analysis of Heilongjiang Province trade development problems and cause, tax policy and the characteristics of...

We provide a unification-based resolution method for basic modal logics. Because we use a clausal normal form that is quite similar to that in first-order logic, our method has good prospects for importing proof strategies for resolution methods from first-order logic. Furthermore, we show a solution...

As an integral part of their life, technology and innovation inspire digital natives to travel and recommend the destination that suits them. Creative tourism as one of the most in-demand tourist attractions by digital natives requires external inputs that generate a qualified experience environment....

3 kinds of cement concretes are listed as follow: normal concrete, air-entrained concrete with 4% air content, concrete with 15% fly ash and 4% air content. Experiment methods of environmental coupling effect were designed. Model had been proposed in order to classify ink-bottle pore. Contents and shapes...

Recently, Extreme Learning Machines(ELMs) have get successful application in the fields of classification and regression. However, the generalization performance of ELM will be decreased if there exits non-optimal input weights and hidden biases. To solve this problem, this paper introduced a new model...

With the continuous development of China's science and technology, improve people's living standards in the field of electronic information have been developed, especially for the development of S3C2410 chip embedded LINUX system, but also get a lot of attention of enterprises, the following analysis...

User authentication is an important technology to guarantee that only the legal users can access resources from the remote server. The advantages of smart cards are storage and computation abilities. Recently, Li et al. pointed out the security problems of Chen et al’s password authentication scheme...

To improve the hydrophobic properties of the metal substrate and the using range, wire cut electrical discharge machining(WEDM) processes aluminum alloy 6061 plane twice in this paper. Under electrical discharge machining for the first time in the processing parameters of the pulse width 12 s, pulse...

Photosynthetic characteristics of seedlings of Carallia brachiata, Ficus microcarpa and Phoebe zhennan were studied at 6°C low temperature stress using Artificial Climate Box. After continuous treatments of 0 d, 2 d, 4 d, 6 d and a recovery of 2 d in nature, the photosynthetic indexes of the seedlings...

Open University learning environment need to adapt to the aim of Open University education and the objective demand of students. The construction of cloud platform is to build a new information interaction platform for open education. This paper analyzes the feasibility of cloud computing applied to...

The results of the experimental studies on the process of clinker grinding pre-crushed in a press roller mill and in a ball mill equipped with the energy exchangers are described in the article. The effect of clinker grinding pressure on the amount of deagglomeration forces of its compacted plates is...

Base on elastodynamics, complex function method with mapping function and Green’s function method are used to investigate the scattering of SH waves and dynamic stress concentration in bi-material half space with elliptic inclusion and interfacial crack. Firstly, the bi-material half space is divided...

Aiming at the shortage of the low efficiency of file backup, large amount of data, highly occupancy rate network resource, Put forward a file backup method based on double cache and mini-filter driver. Method uses Cache Manager creates two caches in kernel model, at the same time combined with real-time...

The electromagnetic component expressions of transient electromagnetic field in formation media for ground magnetic dipole are derived based on electromagnetic field theory. Fast Hankel transform and the Gaver-Stehfest inverse Laplace transform method is used for forward numerical calculation of transient...

The nonlinear magnetoelastic problems for a bar-shell in a magnetic field subjected to mechanical loadings are studied. Based on the electrodynamics equations, magnetoelastic kinetic equations, geometric equations, and physical equations of a bar-shell, normal Cauchy form nonlinear differential equations,...

As one of the basic technologies for building Internet of Things, wireless sensor networks (WSNs) are a hot research topic at present. In this paper, two basic structures of WSNs are described briefly, and the current security situation and security risks of WSNs are introduced. Then, this paper summarizes...

With the development of technology, strengthening cooperation in the field of energy among regions is proved to be one of the main trends in power industry. It is grounded on such background that this paper focuses on the subject of transnational networking project, which can effectively promote the...

In the turning process, the slender shaft workpiece is one of the difficult parts. Especially the action of load on the surface of rotary workpiece and interaction between the workpiece vibration and cutting force increase the vibration of the workpiece and even cause flutter. Based on the theory of...

Unsika Academic Information System is a service owned by Singaperbangsa Karawang University which has a function for the management and administration of student academic activities. However, this service is currently only available based on a website, then it has a confusing flow when you want to use...

Data preprocessing is the foundation to improve the quality of data mining and determines the effect of Web mining. Currently, data for mining is typically collected from the server, but data set from the client is more accurate. In order to better deal with these data, we propose a data preprocessing...

Near-field strong ground is the main factor that causes serious damage when large earthquake occurred. It is very important to put the predicted ground motion into disaster prevention and aseismatic design. We use empirical green function method to simulate the Kumamoto MJMA7.3 earthquake, in Kyushu,...

In order to solve the problem that the stepping motor in the manipulator is frequently stopped and the conventional index algorithm can not make full use of the output torque under the high speed heavy load,the two-stage exponential acceleration algorithm for stepper motor is proposed.Based on the critical...

Simulation technology is extremely important in the design process of control algorithm for missile weapon system. Different from digital simulation and traditional hardware-in-the-loop simulation, a rapid prototyping hardware-in-the-loop simulation technology is proposed which can confirm the control...

Based on the shadow observation method, author analyzes some problems when user makes coffee: items are too scattered to be effective for user. At the same time, according to the used frequency of each items, author analyzes the relationship among the items placed in the coffee cabinet, to make it more...

In the present study, new conductive and anti-corrosion coating which is suitable for grounding grid with a carbon-based conductive filler was investigated. This study determined using epoxy resin as a film forming binder, multi-walled carbon nanotubes as conductive filler, KH550 as the preferred coupling...

This paper proposed an interactive virtual pruning method for fruit tree. In this method, Unity3D – a common game development platform – was used as the implementation tool for the interactive virtual pruning simulation of fruit tree, including integrating 3D fruit tree and scissor into a virtual orchard...

This article not only describes the network information security encryption mechanisms, but also analyzes the advantage of symmetric cryptography and asymmetric cryptography. It points out the problems which are noted in the application and compares the information encryption technology commonly used....

With the progress of science and technology, more and more people pay attention to the research of robot technology. Comparison of biped robot, chassis wheeled mobile robot in moving speed, stability, application scope, carrying capacity has obvious advantages on, and especially the application field...

In this paper, the R-function theory(RFT) is applied to solve the free vibration of slip clamped trapezoidal shallow spherical shell on Winkler foundation. Firstly the fundamental solution of the biharmonic operator, the boundary equation and the R-function are used to construct the quasi-Green's function....