Advances in Engineering Research

We set up a refugee migration model based on the improved Network Maximum Flow algorithm. The model depends not only on factors affecting refugee migration movements we have determined, but also the attractiveness of the way countries of the selected route and the restriction of the land and ocean environment...

A new application of high resolution continuum source flame atomic absorption spectrometry has been developed for the determination of Fe and Zn in garbanzo. The selected fuel flows of Fe and Zn were 80 L/h and 90 L/h respectively, and the appropriate burner heights of Fe and Zn were 5 mm and 6 mm respectively...

Aerodynamic characteristics of a guided rocket projectile are numerically simulated. Simulations are performed in a range of flight conditions using a commercial CFD software FLUENT, and variations of lift coefficients and drag coefficients with Mach numbers and angles of attack were demonstrated. The...

In this paper, a new type of disk spring composite rolling seismic isolator was developed. The isolator isolates horizontal earthquake with SMA to restore to normal position, and dissipate energy. The disk spring isolates vertical earthquake. Adopt Ansys to build the shear model, and contrasts the earthquake...

For the small sample data and complex nonlinear characteristic of construction project cost, a new hybrid prediction model combing genetic algorithm and small sample learning model based on least squares support vector machines is proposed. First, all the candidate features are ranked by correlation...

Information on soil organic carbon (SOC) content and stocks is not available in coastal shelter forests, East China, although a large area of forests has been established there in the past 30 years. Dawn Redwood (Metasequoia glyptostroboides) is one of the most commonly tree species for shelter plantation...

The failure shape and approach for slurry trench stability analysis of diaphragm wall are studied by means of numerical simulation and theoretical analysis. From numerical simulation, the failure shape under surcharge in soft soil is approximate a pyramid for the slurry trench. Based on limit equilibrium...

Next-generation internet shall completely change the lifestyle of people. IPv6 is very suitable for the large-scale network environment with abundant terminal data on account of the huge address space owned by IPv6, plug and play and easy configuration, and internal support on mobility. With the popularity...

Abnormal traffic cleaning system is proposed, which includes a cleaning platform, a detection platform and a management platform. The cleaning platform is mainly deployed through the bypass to guide the flow of the attacked object to the cleaning equipment. According to the protection strategy, the attack...

The swelling characteristics of a mixture of waste EPS particles and expansive soil are influenced significantly by initial water content. In order to search out the influential regularities under different initial water content, the tests of swelling ratio without pressure, swelling ratio under pressure...

This paper analyzes and evaluates the efficiency of bus lines from the aspects of line layout, hardware facilities, passenger's comfort, convenience and vehicle's speed. We use DEA evaluation method based on AHP constraint, through multi-objective decision model to decompose the complex issues into parts.

In this paper, we conduct research on the cloud acceleration method for the compressed sensing algorithm under the environment of Internet of Things. On the Internet of things perception layer, an important part of the sensor network have been put forward a lot of security mechanisms. Now about access...

Water resources issue is a big problem faced by the mankind. It is of great significance to make a correct evaluation and prediction of water resources carrying capacity in a country or region. However, lots of problems exist in the evaluation of water resources carrying capacity, such as too many evaluation...

With the country promoting the power from New Energy sources, wind power was attached with great importance gradually. However, there is an existing major problem in the field of wind power, that it is the lack of peak-shaving capacity, which leads the capacity of wind power integration to be limited....

The world is rapidly urbanizing, and urban planning is becoming more important. Smart growth is a planning theory that can realize the sustainable development of the city effectively. In this paper, we study the principles of smart growth and set up a complete index system.

In the context of global promotion of low-carbon travel and the rise of green energy, electric vehicles can be capable of large-scale production and application. However, the traditional charging technology for electric vehicles has numerous inconveniences. Therefore, the wireless charging technology...

This research addresses the critical issue of child health and nutrition in the Mentawai Islands Regency, particularly stunting. Given the limited understanding among parents, the local Community Health Center (Puskesmas) has taken the initiative to conduct stunting mapping in the Mentawai Islands. The...

As one of the most important components of the wetland ecosystem, microorganisms play an important role in all kinds of ecological processes. Those ecological processes of wetland microorganisms are mainly represented by elements cycling, material transformation, energy flow and ecological restoration....

To improve the prediction accuracy and reduce the computational complexity of network traffic prediction based on feed-forward neural network (FNN), the partial least squares (PLS) pruning algorithm was proposed to optimize the network topology structure. The data of network traffic has the characteristics...

Anaerobic co-digestion of dairy manure and edible mushroom cultivation waste was conducted to produce biogas using batch reactor. Influence of temperature on anaerobic digestion was studied, and recovery ability of bacterial activity after second feed was also investigated. Three temperature conditions...

To study the effects of cutting after grafted on nutrient uptake of wild vegetables, four rootstocks (Brassica pekinensis, Brassica napus, Raphanus sativus and Rorippa dubia) were used to graft Nasturtium officinale, and then cutting the seedlings of scions and planted in selenium (Se) contaminated soil....

A graph is half-arc-transitive if its auto orphism group acts transitively on its vertex set and edge set, but not arc set. Y-Q. Feng et al. gave the classification of tetravalent half-arc-transitive graph of order 6p. In this paper, we proved that hexavalent half-arc-transitive graph of order 6p has...

In order to improve the speed of gestures image processing in interactive projection, the paper uses field programmable logic devices to design image processing system on-chip, studies the realization method of image wavelet transform IP core, designs gesture image of Haar wavelet decomposition and reconstruction...

Domain terminology with high quality are the fundamental component in ontology construction and domain terminology automatic extraction is the basis of domain ontology construction. Proposed an approach of achieving domain concepts hierarchies from the Web data. Used the clue words to product queries...

The finite-element linear analysis model in the typical rotor system is established by finite element method to analyze the modality and critical speed. The result shows that modes of vibration change greatly with different modalities in the rotor system. Torsion angle of the rotor increases gradually...

In the optical fiber sensor signals, most of them are weak. Generally, they are converted to weak current or voltage through the sensor unit. But the signal is too weak to measure because of the sensing unit background noise, circuit noise and external interference noise which is stronger than the useful...

Though there is an extensive research work available on mechanical behavior of composite materials. The tribological study of biodegradable composites is still need comprehensive study. In this regard, the current paper emphasized analysis of two body abrasive/sliding wear phenomenon of chitosan epoxy...

The context sensitivity is an important property in program analysis which can improve the analysis accuracy of the function call context of the source codes and helps to improve the abilities of the compiler optimization and verification procedures. The automata model based on the function call of the...

The condenser modification of a 150MW unit for high backpressure cooling water heat supply is introduced in this paper. Economy characteristics of the transformed condenser are calculated using the high and low backpressure operation data. The condenser terminal difference is 2.354ºC under high backpressure...

The higher order crack tip fields for anti-plane crack in functionally graded piezoelectric materials(FGPMs) under mechanical and electrical loadings are investigated. Although the elastic stiffness, piezoelectric parameter, and dielectric permittivity of FGPMs are assumed to be exponential functions...

Since the size of the early antenna is big and not easy to carry, the one-eighth mold SIW Omni-directional antenna is described. The overall performance has been improved. Compared with a quarter mode antenna which is already existed, the relative area has reduced by 50%.

Noise control of signals is a key challenge problem in signal enhancement, signal recognition, communication, radar, and sonar applications. The most widely used method is adaptive linear filtering method, which can adaptive change filter parameters with the stochastic property of the stationary Gaussian...

The precise 3D(Three Dimensional) modeling of the non-circular sector gear of the rocker shaft is an important basic work for the study of the mechanical properties of the automobile steering. The traditional 3D modeling method is difficult to obtain accurate model of the rocker shaft because of its...

Writing assessment is an important part of writing teaching, which directly affects students' writing motivation and writing attitude. The traditional evaluation method of College English writing is single, and the effectiveness of the evaluation is not enough to improve the students' writing ability....

In this work, the whole cell biocatalyst of Rhizopus oryzae lipase (ROL), a versatile lipase for biodiesel production, was successfully developed through surface display technique using a-agglutinin 2 (Aga2) as an anchor protein and Saccharimyces cevevisiea as anchor yeast cell. The enzyme properties...

The rise of generative AI has significantly impacted content creation, facilitating the rapid generation of high-quality text, images, audio, and synthetic data. This study investigates the generation of synthetic facial data for children, enabling complex facial transformations such as expression changes,...

Two different phases of Ga3Zr with tetragonal (D022) and cubic (Ll2) structures under high pressure are investigated by using density functional theory (DFT) calculations. The elastic constants (Cij) and mechanical moduli, including bulk modulus (B) and shear modulus (G), are calculated under various...

In this paper, two models, including the information value quantification model and the epidemic model, are built to explore how social information spreads and works, especially through the networks. The information value is quantitatively determined by means of Analytic Hierarchy Process (AHP), based...

In order to better understand the melt convection in an electro-fused magnesia furnace (EFMF), a 3D finite element method based model of the furnace is presented. The effect of the electromagnetic stirring and buoyancy driving forces on the melt flow are investigated in three typical cases with different...

It poses high requirements for the calculation speed and the precision of the solving method when we consider the large-scale transmission expansion planning (TEP) problems. Therefore, combined with the respective characteristics of EDA (Distribution of Estimation Algorithm) and DE (Differential Evolution...

As the stronger desire of human for energy and space, offshore jackets are used more and more for these. As the excellent fluid mechanics feature of the tubular member, it is widely used in jacket structures. According to the introduction of the process of casting steel joint and directly weld joint,...

The track fluctuation of helicopter pod used for magnetic survey can cause interference with magnetic field measurement results. By simulating the small fluctuation of inclination angle and drift angle,the pod track fluctuation in airborne coordinate system and the helicopter track fluctuation in geodetic...

Change detection is an ongoing hot topic in multi-spectral imagery applications, how to exploit the available spectral information effectively for change detection is still an open question. Considering the noise interference and redundancy of multi-spectral imagery, it is important and necessary to...

In order to fully understand the anti-fatigue performance of KT-joints in the all-welded steel truss of Haihe Grand Bridge in Tianjing, two experiment--one fatigue test using a full-scaled KT-joint and the other fatigue test using two groups of T-components (a total of 8 components) cut out from the...

According to the specific environmental noise of the detection system, via holes was caused impedance discontinuities, parasite capacity and inductance which resulted in signal reflection and attenuation, and hence deterioration of signal integrity(SI). The new idea was put in the paper, the specific...

Sound masking is a technique to protect the speech privacy of confidential talks in a room. Most of the existing masking signals sometimes become noise sources, and result in a negative impact on the people in the room. This paper proposes a new method for generating masking signals. The synthesis of...

The quasi-single crystalline silicon directional casting processes with ultrathin plate seed layers were studied. The experiments results showed that the directional casting with the plate seed layer could solve the cross pattern issue on the quasi-single crystalline silicon wafers produced with square...

we develop a metric Total Growth Metric (TGM) to measure success of growth plan, and divide it into Environmental Growth Metric (EGM), Developed Growth Metric (DGM) and Social Growth Metric (SGM) by three E's of sustainability. We consider resource consumption and pollution discharge for EGM. For DGM,...

This paper is addressed on the joint angle-doppler estimation (JADE) for the uniform circular array (UCA) with coprime sampling. Space-time adaptive processing (STAP) can conveniently estimate direction-of-arrival (DOA) and radial velocities of emitting sources. And UCA can realize the azimuth angle...

In wave-picking and entire-replenishment zone-based warehouse, the slotting and cartonization problems occur with equal frequency and can be the optimization conditions for each other. A dynamic location assignment model is proposed to minimize the wave-picking time among all of zones, and a particle...

The effects of strain rate on the mechanical properties of the particulate-filled composite have been studied. Tests in uniaxial tensile condition were carried out over a range of tensile rates. Results show that the mechanical properties of the particulate-filled composite are distinctly influenced...

A sensitive data encryption system is proposed. The sensitive data will be obtained through the data acquisition platform, the digital certificate will be issued through the CA system, and the sensitive data can be encrypted effectively through the key management system and the encryption machine cluster,...

Mars is a planet of mystery and temptation that attracts many science fiction enthusiasts. Migration to Mars has been the topic of many fiction films for a long time. As the first successful Mars landing, this fiction seems to have the chance to realize.First step, we defined some parameters that connect...

In summer and in winter, the outdoor air will flow in room through the gap of building. Which will influence the indoor flow field and thermal environment and cause draft, the human in room will feel uncomfortable. This paper use the method of numerical simulation to research the effect of outdoor air...

This paper, aimed at the magnetic resonance contactless power transmission system based on PSSS topology, analyzes the stability of the system resonant frequency when the load and the mutual inductance are changing and proposes the method of constant frequency control based on the technology of dynamic...

Current signal separation of single channel mixed speech principally depends on the training samples of the source, for this problem, a new method of blind separation is proposed. According to distribution of different source vary in band, we use SVD method recombine the single channel of dual-source...

In this paper, the equivalent mechanical spring model of the three-dimensional continuumis studied. And the sectional area of the equivalent spring element is obtained based on the displacement equivalent principle. The equivalent model is statically indeterminate trusses system of spring. The 3D spring...

The paper shows theoretical analysis and experimental study on the performance of the pump / valve hybrid drive system. Taking AE0505D16 type piezoelectric stack as power source, design and manufacture two new structures of pump: symmetric and staggered single-chambered dual piezoelectric stack pump....

In order to make a precise and quick estimation of the wide-band Frequency-Hopping(FH) signal, a blind parameter estimation using numeral characteristics of compressive samplings is proposed. First study the compressed numeral characteristics (CNC) of the signal on the premise of non-reconstructing the...

Aiming at the development trend of printing industry, describes the new green UV-LED drying equipment, design and development of AT89S52 lighting con-trol system based on MCU, and use the PWM dimming circuit and incremental PID control algorithm, a distributed computer lighting control system, the method...

With the rapid development of Internet technology in recent years, the amount of text information carried by online electronic documents, e-mails, databases and other forms was increasing explosively. Traditional intelligence information processing methods were increasingly difficult to meet task needs....

The nerve stimulator is an important circuit component that regulates or blocks neural signals by outputting specific electrical pulses.With the continuous development of neural stimulators, they have been widely applied in various fields.Especially in the medical field, more and more diseases can be...

As an emerging technology, cloud computing has a profound impact on Internet. This paper introduces the concept and characteristics of cloud computing, then studies the current status of university information technology, and analyzes how cloud computing promote the development of university information...

The new technologies such as virtual resources and RFID in Industry 4.0 make traditional ITIL Incident Management Process can not adapt to the new environment anymore. Based Agile and Lean thinking of DevOps, this paper improved and designed on the traditional ITIL Incident Management Processes, proposed...

In this article, the author analyzed the present situation of environmental education and environmental awareness cultivation in both China and the world, expounded the importance of college students' environmental awareness cultivation and presented the method to cultivate college students' environmental...

The eigen-solutions of the crack tip fields for an anti-plane crack in functionally graded piezoelectric materials (FGPMs) are studied. Different from previous analyses, all material properties of the FGPM are assumed to be power-law function of y perpendicular to the crack. The crack surfaces are electrically...

The results of MLA automated quantitative mineralogy system indicated the uranium ore used in this study was mainly composed of pitchblende (0.47%), quartz (64.91%), fluorite (2.18%) and pyrite (0.44%). The existence of fluorine-containing minerals plays a strong inhibition role of bacterial activity...

In order to reveal the failure mechanism of slope foundation, based on the limit analysis method and the limit equilibrium method, a formula for calculating the bearing capacity of slope foundation considering the influence of soil slope behind the slope is constructed. The calculation program of soil...

Gear is the key part of cement rotary kiln, and lifting the process of deformation delivers a direct impact upon gear ring manufacturing precision. This paper takes the 10630. 249mm gear ring of rotary kiln as an example, expounds the system of lifting method for gear ring and selecting the optimization...

Human eye location plays a crucial part in machine vision fatigue detection. To address the difficulty of distinguishing eye and brow in traditional way of machine vision human eye location, this paper proposes an accurate human eye location way, which is based on geometrical characteristics of eye and...

With the continuous development of world music and music educational undertakings, orchestra has gradually appeared in various forms of musical performances; the kind of orchestral instruments also became more and more, so the design and implementation of an orchestral instruments sales management system...

Agricultural monitoring data is the basis of environmental early warning, however, abnormal data is inevitable in the monitoring process. Aiming at the problem that the data of wireless sensor network is abnormal, an outlier detection method is proposed, in order to achieve the purpose of accurate calibration...

Edinburgh and Shenmu are chosen for plans of smart growth. We make it clear how their plans meet the smart growth principles. Using data in the period of plans (2011~2015), we calculate values of our metrics to simply analyze their success. Furthermore, we use mean value test (t test) to measure the...

Hard metals are highly preferred in critical applications to withstand severe stresses and deformations. But they pose difficulties while machining in the form of rapid tool-wear and poor dimensional accuracy of the work-pieces. In conventional practice, hard metals are annealed to facilitate machining...

Slipping of active faults, under some conditions, generates surface rupture which can damage the structures in the rupturing zones. One of the key core is a basic characteristic of surface rupture are systematically summarized and analyzed, especially the statistical analysis of surface rupture width,...

Based on the actual electron beam scanning process of the surface of H13 steel specimen, a two-dimensional model of grain growth is established coupling Monte Carlo method. The crystallization of the molten pool is simulated after electron beam scanning of H13 steel, effects of scanning current and rate...

In this paper, the route selection system of heavy-cargo highway transportation was the secondary developed based on ArcGIS Engine . The spatial data platform was set up by simulating the actual road network, and combined with quantitative analysis of the influence factors, a route planning model of...

In order to decrease the additional power loss in DC-DC converter caused by current detection, a current sensing technique without power loss is proposed. Power MOSFET is being widely used in low and medium power DC-DC converters; it can be regarded as a resistor in the condition of turn-on. Thus, based...

Five aquatic macrophytes, Acorus calamus, Lythrum salicaria, Monochoria korsakowii Alisma orientale and Sagittaria sagittifolia were tested for the relative growth rate (RGR) and abilities of removing total phosphorus (TP) by the manipulative indoor experiment. A nutrient treatment consisted of two levels...

Based on both at home and abroad energy sustainable development ,enterprise energy evaluation index system research and low carbon economic background, this thesis proposed the strategy thought of full process of energy-saving and emission-reduction, selected DEA evaluation method to achieve efficiency...

This paper presented a novel approach XCS-FPGRL to research on robot reinforcement learning. XCS-FPGRL combines covering operator and genetic algorithm. The systems is responsible for adjusting precision and reducing search space according to some reward obtained from the environment, acts as an innovation...

Inventory inaccuracy is common in the modern supply chain and it attracts much attention from many researchers. This paper considers a supply chain with inventory shrinkage and misplacement, and the supply chain consists of a single supplier and multiple retailers who are engaged in both price and inventory...

To develop smooth finite element analysis of flat panel display products, we develop an automatic mesh generation system suitable for complex and thin shape objects. In this paper, we propose a new mesh generation technique suitable for flat display products by analyzing existing mesh generation algorithm....

In this paper, we mainly use the solar zenith angle, solar azimuth angle, the angle of the red and weft, the relationship between the date sequence number and some specific geometric relations. The formula is related to the concept of the degree of latitude and the time angle, which can be defined as...

New technologies, including personalized artificial augmentations units, will soon enable humans to inhabit manufactured cities on Mars by 2100. The first wave of migration, called Population Zero, will include 10,000 people.Population Zero aims to have optimal conditions in many workforce and social...

Virtual reality technology is constantly developing, dedicated to computer graphics and multimedia information processing, high-performance chip can increase a hundred times the processing power, three-dimensional graphics algorithms and parametric modeling algorithm enables virtual reality technology...

Auto throttle controls directly the speed of the car. The driver can trample accurately and smoothly trample accelerator pedal to control the speed. In order to make the driver can real-time track the set the speed in the process of vehicle driving, a method based on Ziegler Nichols- frequency response...

Revealed the strength variation of concrete C30 and C50 after the cold in the initial .Using the gray prediction theory which from the cybernetics to analyze the test results after the initial cold.The results show that the results obtained by the formula is consistent with the experimental results,...

Considering for the ecological security strategy and new promoting urbanization, it is important to develop the vernacular architecture in Tibetan plateau which serving as the ecological security barrier in China. With the development of urban and rural integration process as a whole and the popularit...

The machinability of Nickel-based superalloy GH4169 is poor, in order to improve machining efficiency, reduce costs, it is necessary to study the various factors that affect the tool wear. In this paper.The tool wear tests were carried out to investigate the effect of an externally applied voltage on...

Based on the theory of contact non-linear finite element analysis, the analysis for stress and strain of the connection thread of centralizer is carried out by ANSYS software. The structural weak part was identified. The method of simulation experiment is adopted. The simulation results are compared...

To enhance the mechanical performance of cemented soil, this paper discusses the way of improving the mechanical performance by incorporating basalt fiber into cemented soil. Unconfined compressive strength test is conducted on cemented soil with basalt fiber of different proportions, and the results...

The buried pipeline leakage has tremendous impact on the surrounding environment, while crude oil migration and residues of contaminants in the soil porous media law is an important basis for the detection and elimination Considering the characteristics of oil multiphase flow in porous media, we establish...

Adsorption of chlorpyrifos (CP) by giant reed(Arundo donax L.)derived biochars obtained at 300-600°C and their corresponding de-ashed biochars was investigated.With increasing pyrolysis temperature,the adsorption capacity(Qe) of CP ontothe biochars increased. The maximumvalues of Qe of CP by the water-washed...

Role car ESP hydraulic system is applied to the appropriate wheel hydraulic braking force, the implementation of active intervention of the vehicle, so that the car during braking, good stability, and therefore directly affect the effective control of the ESP braking car security. Thesis for the dynamic...

This paper expounds the background, significance, research contents, implementation plan, the results of the final design and gain insights of the research on the intelligent management system of students’ practice on computer. The design of intelligent management system is aimed at the problems existing...

With the help of software ANSYS, a finite element analysis model was established for the three-directional prestressed concrete aqueduct in South-to-North Water Transfer Project. The effect of the prestress value of steel tendon on the stress of aqueduct body was studied, and the stress states of aqueduct...

The macro-deformation of crystal attributes the micro-slip in crystal of -TiAl alloy. So it is important to reveal the relation between macro-deformation and micro-slip of dislocation. In order to illustrate this relationship, the geometry relation between macro-deformation and dislocation density/external...

In recent years, MRI studies have resulted in a better understanding of the movement and deformation of the meniscus in the terbinafine connection and provide, information on the morphology of the articular cartilage. In this paper, we will use of computer-aided technique and MRI to reconstruct the shape...

With the development of electric power communication network, SDN is gradually introduced in the next generation electric power communication network. The application of SDN in power data center is analyzed, and architecture of power data center based on SDN is provided, finally two ways of evolving...