Advances in Engineering Research

The electrochemical behavior of Maca adenine on the modified electrode of o-phenylenediamine/β-cyclodextrin/Ag-carbon nanotube was studied by cyclic voltammetry. The results show that the electrode modified by 7mg of carbon nanotubes is the best when the concentration of silver ions is 0.1mg/ml. The...

The research on configuration of canard with forward-swept wing is of great significance in modern fighters' design. According to the influence of canard on static aeroelasticity of forward-swept wing, the longitudinal aerodynamic and elastic characteristics of canard with forward-swept wing configuration...

Brain disease detection still is the hotspot and difficulty in the present society. Nevertheless, the emergence of magnetic resonance imaging (MRI) technology can be more convenient for the diagnosis of brain diseases. In this paper, we introduce several methods to detect pathological brain automatically,...

The water quality is an important factor affecting the output and quality of the marine ranching. According to the characteristics of aquaculture industry in the South China Sea, a multi-parameter intelligent monitoring system for marine ranching was designed. Temperature, pH and turbidity were selected...

Aiming at the current demand of water-saving agriculture, improving the utilization rate of agricultural irrigation water and further promoting fine irrigation, a soil moisture monitoring system based on wireless sensor network (WSN) was designed., The system combines the advantages of ZigBee's low cost,...

The power factor value in RLC circuits is determined by the amount of pure resistance (R), self-inductance of the coil (L) and the capacitance of the capacitor (C). In this study, the measurement of the power factor value in series and parallel RLC circuits is conducted through experimental and simulation...

The use of deep learning models, especially Convolutional Neural Networks and Gated Recurrent Units, has been a popular approach to improve the performance of handwriting recognition (HTR) algorithms In this research, perzival dataset is used it evaluates the performance of the HTR system incorporating...

This research was carried out with the aim of developing a competency test instrument for the results of the navigation function practice exam in the bridge simulator for student officers (management level) of Nautical Studies at the Barombong Shipping Polytechnic. This research was conducted at the...

Demands of ultra-scaled ion sensitive field effect transistors (ISFETs) with higher current sensitivity and wider dynamic pH range are sky-rocketing as the ISFET devices find their increasing applications in the arena of wearable sweat sensors. In this context, a scaled tunnel FET (TFET) can serve as...

Accurate traffic flow prediction is critical for efficient traffic control, urban planning, and congestion mitigation management. This study focused on using deep learning algorithms to predict short-term traffic flow on a suburban roadway. Long Short-Term Memory (LSTM), Gated Recurrent Unit (GRU), Artificial...

The elastic constants (cij) and elastic properties of B2-phase FeAl intermetallic compounds and Fe–Cr–Al ternary alloys are studied by performing first-principles density functional theory calculations. The stable structures of Fe–Cr–Al and the elastic constants of FeAl and Fe–Cr–Al are predicted within...

A global energy demand projection model (GESDA), including the global energy service demand module, the energy system optimization module and the carbon emission module, for projections of global energy service demand , energy demand and supply, and associated carbon emissions. Projections of global...

It is well known that computer applications are ubiquitous. In this paper, the exp-function method with computerized symbolic computation is improved to exactly solve a (2+1)-dimensional Burger's equation. As a result, a new and more general exact solution is obtained. It is shown that the improved exp-function...

Based on a nonadiabatic dynamic method, charge injection is studied in a metalpolymer structure. For a system with a short polymer chain, with a proper voltage bias applied to the metal electrode, one electron is injected into the polymer chain and then a charged soliton forms. For a system with a relatively...

With the continuous development of wearable health monitoring technology, new types of Electrocardiogram (ECG) electrodes become the focus of attention, such as textile electrode, non-contact electrode, and micro-needle electrode. However, there are not yet unified performance testing methods for different...

For the practical issue of multi-sensor data fusion in target tracking, this paper combines the predicted values and the measured values weighted together. The optimal weight allocation method of Containing predicted values and measured values is presented. In theory, the more the number of sensors is,...

The photocatalysts of S-doped K2Ta2O6 have been successfully synthesized by hydrothermal method. Effects of S doping to the K2Ta2O6 on the structure and photocatalytic performance are systematically investigated. The S was successfully introduced into the lattice sites of Ta5+ at the state of S6+. The...

Data type and amount in human society is growing in amazing speed which is caused by emerging new services such as cloud computing, internet of things (IoT) and social network, the era of big data has come. Data is a fundamental resource from simple dealing object. In order to fully understand the connotation...

In recent years, the wireless power transmission is a new transmission mode. The wireless charging theory of magnetic coupling resonant mode is researched. The wireless charging device based on MCU is designed which includes sending unit and receiving unit. The sending unit is consists of resonant circuit,...

As a fuzzy mathematics method, fuzzy comprehensive evaluation approach is used in various fields, and achieves some good results. The purpose of this paper is to use this approach to research overall conditions of the hub city of “OBOR”——Nanchang. After obtaining the relevant data, it is concluded that...

Ram is one of the key component of high-end CNC machine tools, which casting residual stress will affect its machining accuracy, quality and performance of machine seriously. This paperutilizing blind hole method to measure residual stress of ram cast-ing,the results show that: the screw mounting face...

The linear model of valveless electro-hydraulic servo steering device neglects the nonlinear factors, especially the factors of the control subsystem, so the quantitative static and dynamic characteristics of the actual system cannot be evaluated accurately. Aiming at the problem, the steering device...

Monodisperse, spherical, organo-functionalized silica particles were prepared by a one-pot method. Vinyl-silica and amine-silica were prepared by the hydrolysis of tetraethyl orthosilicate in aqueous alcohol solutions with the addition of vinyl triethoxysilane and 3-aminepropyl triethoxysilane, respectively,...

With the rapid growth of economy in our country, the demand of coal will continue to increase. For a long time,the coal industry has continued with the extensive development and management model, but the study of its resources recycling is lack of necessary attention. By drawing from coal energy circulation...

In Huanggang City ,informatization construction is strengthened step by step nowadays, whether in state-owned enterprises, institutions such as the administrative department for Industry and commerce at various levels, various private enterprises, financial, securities, or the public service industries...

Slope stability is the focus of attention in geotechnical. The cutting loess slope because of its high slope and soil properties makes the research question becomes complicated. through the investigation The paper selected typical cutting loess high slope to study, and analyzed slope stability under...

Using magnetically coupled resonators coils in a strongly coupled near field was suggested for wireless power transfer. A circuit model is presented along with a derivation of key system concepts such as frequency splitting, the maximum operating distance (critical coupling). Here, a simple circuit topological...

This paper is concerned with a way to improve the anti-buckling performance of castellated beams. The finite element package ANSYS 15.0 is used to model castellated beams. Numerical simulations are carried out to provide data for the development of the critical load of web local buckling of hexagonal...

Underwater target recognition is a key technique in military command system. Decision recognition is the last key step. It fully makes several sensor several kinds of feature and classifier to be combined to form the uniform description to the target according to the optimizing criterion. The paper mainly...

Based on the seepage conceptual model of present elevation and ultimate elevation, in the conditions of common water level and flood level, SEEP/W, the seepage analysis module of GEO-Studio was utilized to simulate the changing regularity of seepage field, and then the results will be substituted into...

This paper summarizes the classifications features and basic properties of the composite materials, The characteristics and the problems of the composite cutting are analyzed, Especially for metal-based composite materials, drawn the relationship between cutting speed and tool wear is plotted, the feed...

In this paper, a new composite with Fe3O4 and Cu nanoparticles encapsulated in carbon nanofibers (CNFs) and its electrochemical properties were reported. The composite is fabricated by a simple electrospinning technique followed by heat treatment. At a current density of 100 mA g-1, this electrode exhibits...

The precision control of cutting current is the important performance index of the plasma cutting power supply, so the study of plasma cutting current control strategy have great significance. This paper first summarizes the development situation of plasma cutting power supply, and the domestic plasma...

Mechanical design and manufacturing is the basic industry of national economy.Its production level is an important symbol of a country's economic construction.With the innovation and development strategy puting forward,The cultivation of creative design ability about machines of college students' becomes...

In this paper, a nonlinear offline model of proton exchange membrane fuel cell (PEMFC) is built by using a support vector regression machine (SVRM) based on particle swarm optimization (PSO) algorithm. During the process of modeling, the PSO aims to optimize the parameters of SVRM. Compared with the...

With the rapid development of social economy, high-rise residential and commercial complex building is the main rend. There are numerous benefits of the high-rise commercial residential complex building. There are many types of high-rise residential and commercial complex building. They will help people...

Economic developments and times are increasingly making people increasingly selective in choosing products or services. The emergence of new companies engaged in services and products that trigger the emergence of very competitive and tight competition in the business world. This situation is also experienced...

This paper reports a type of abrasive polish method. Controlling the environmental aqueous rust inhibitor content can change its viscoelasticity to adhere diamond particles on polymer materials. Using the sandblasting mechanism, the elastic abrasive with fine diamond particles adhered to them collides...

People often use AMT to summarize various changes and new systems brought about by traditional manufacturing technologies such as microelectronics, automation, and information technology. Specifically, it refers to the collective name of technologies, equipment, and systems that are created by integrating...

With the increaseing of the combat capability of the weapon platform, the striking range of the weapon platform is expanding, and it is necessary to classify the weapon platform according to the target that the weapon platform may hit. It can distinguish the task community, enhancing the cognition and...

The nature and reasons of two cases of premature failure of engineering products are investigated (metal-composite cylinder for moto fuel and metal rod of bulldozer's hydraulic cylinder). By methods of metallography and fractography with using the basic provisions of metallurgy, physics of metals, physics...

Investigation of the catalytic activity and selectivity of the obtained products of various nature and composition of catalysts in the course of model catalytic reactions, cracking, isomerization, disproportionation. The study of the acid sites of these catalysts and their influence on the composition...

Choosing the regional development path reasonable according to the local advantages, and use them to promote the regional economy development,play a positive role.Using the correlation method of SPSS to analyze the relationship between the economic development level and the location advantages in Panxian...

The traditional video collection program should complete all the design work from the hardware layer to the driver layer and the application layer, which is a large work. It develops a video capture program based on driver model defined in DDK kit with API of general input and output module (GIO), and...

Firstly, according to water resource management interactive model based on ET, calculation methods of present ET, target ET and subtractive ET and realization approach of ET control in mountain counties have been put forward. Secondly, Linxian has been taken as an example to calculate present ET by RS...

Based on the velocities of waves near the surface in concrete, the propagation path and travel time of different waves were calculated, and the influence of crack on these waves was analyzed. Some theoretical conclusions were verified by FEM. The ultrasonic waves were received by array transducers and...

Methods used for the determination of potassium content in pyrotechnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the potassium with high content, the sample...

The mechanical character of natural Pebbles concrete and crushed stone concrete is studied in this study. The results show that compared with the aggregate concrete, the W/B can reduce the crushed stone concrete to a certain extent. For the C50 box beam concrete, the water cement will decrease by about...

Diabetic retinopathy, which is one of the complications in diabetes, is an eye disease that can lead to blindness. The damage happens in retina as result of a long period of diabetic mellitus. People usually do research using image data in diabetic patients. This paper presents the idea of using feature...

The gold industry is highly dynamic, with gold price fluctuations affecting both buyers and sellers. Traditional valuation methods rely on expert opinions and historical data but often lack efficiency and objectivity. Recently, machine learning (ML) has gained prominence as a robust tool for analyzing...

The schemes for cable force measurement during construction of the Longwan Bridge are described and the principle of the cable force measurement with frequency method is introduced. With the measurements of cable forces of the Longwan Bridge being taken as the research background, the relations between...

The height of urban buildings has a negative impact on the architectural heritage, making it gradually buried in high-rise buildings. By reviewing the height control and visual integrity assessment methods at home and abroad, this paper proposes a new building height control assessment method based on...

Limited access to reliable electricity in rural areas continues to pose safety, social, and ergonomic challenges for communities. This study presents a community-based intervention in Labak Suren Village, Bali, focusing on the implementation of solar-powered LED street lighting and its ergonomic impact...

The aims of this research were to determine the effect of learning model that can improve students’ reading interest and metacognitive awareness. This research employed quasi-experimental design which purpose is to increase students’ reading interest and metacognitive awareness through the use of Remap...

Global climate change caused by carbon dioxide and other greenhouse gas emissions has become increasingly concerned by the international community.Based on carbon source and carbon sink analysis frame in low-carbon economy theory, this paper constructs a low-carbon city measure index system which includes...

For those aerodrome areas where collision between aircraft may happen, based on the Airport Surveillance Radar (ASR) data, the taxi tracks of aircraft in the aerodrome maneuver area were extracted. The method of judging whether the taxi route and taxi time of any two aircrafts which go through the same...

Aiming at the problem that in traditional MIMO-OFDM receiver the channel decoding, channel estimation and signal detection are independent and the error rate is relatively high, this paper proposes an iterative joint receiving scheme, improve it, and gets a modified iterative joint receiving technique...

Solar panels convert solar energy into electrical energy stored in the battery and provide power for the solar street lamp. The voltage of solar panel power supplying is not stable, resulting in the problem of over charge and over discharge for battery in the use process of solar street lamp. The above...

The mutual inductance coupling of the traditional multi-turn coils is relatively large, which makes the shallow "blind area" of the detection increase. Therefore, a conical field source device was proposed, and the calculation formula of the radius of each turn coil in the device was given. First of...

According to the first-principle based on density functional theory, the stability of the solid solutions of Au-Pd-M (M=Mo,Y,Zr) alloy systems were calculated. The results show that, adding the same percentage content, 1% Mo doped in Au-Pd solid solution is the most stable phase structure. When doped...

The method of controlling exhaust gas uses cross-section controller to increases the rotational speed of the turbine or uses composite pressurized way to improve working conditions at low engine supercharger requirmente. Through analysising the exhaust gas flow path of the working chamber casing airflow...

A series of high concentration of vanadium catalysts were prepared by the citric acid method and was evaluated for the selective catalytic reduction of NOx by ammonia (NH3-SCR) at middle-low temperature (180-280oC). Experimental results showed that V-W/SiTiOx exhibited the good activity on NH3-SCR reactions,...

In the present study, intermediate products formed during gold-bearing pyrite biooxidation by moderately thermophilc bacteria at 42℃ were studied by combined using XRD, Mössbauer and Raman spectroscopy. Biooxidation slowdown since 8th day showed that some intermediate products might hampered the further...

This article is based on an in-depth investigation of tourist information system and its current situation. Taking into consideration the requirements of tourist information system by using the computer science, network technique, the database technique and management principles and methods, we designed...

A decade ago, in September 2006, the European Commission sanctioned Amrita University, Kerala, to design, develop, and deploy a wireless sensor network-based landslide monitoring system. The deployment was completed in June 2009, at the Anthoniar Colony Landslide in Munnar, Kerala, and the system has...

At present, the research is not enough for the vertical displacement and stress level in domestic.The paper aims how the law between the vertical displacement and stress level by shear test for loess.The results showed that: under the high shear stress level,the effect of soaking sample of vertical deformation...

In this paper, the displacement discontinuity initiation conditions are deduced based on potential energy principle. The finite element discrete of weak form of governing equation is developed by combination of displacement discontinuity evolution conditions and discontinuity connection which material...

The problem of wave propagation in a semi-infinite medium and its interaction with the structure was awalys encountered in the engineering numerical simulation.Artificial boundary conditions of truncated place in semi-infinite domain is the key to ensure accuracy of the calculation results.Adopting fixed...

According to the situation of water plugging in horizontal well using screen pipe completion in Liaohe oilfield, emulsion polymer gel, relative permeability correctives and oil soluble resin are studied in the paper. Three systems are evaluated in the lab. The results indicate that emulsion polymer gel...

The concept of economy’s infrastructure component priority development assumes a significant increase in investment in new construction projects and an increase in the capacity of the railway infrastructure in Russia. Macroeconomic efficiency of the investment program is the most important instrument...

The paper reviews the electric traction network analysis, the distinctive features of its functioning, innovative switching to digital protection, the first results of trial operation, proposals for further improvements, using the monitoring and level increase of the automation operating system of the...

At present, the existing smart home subsystem uses different hardware and software and communication protocol. It has a single function and does not have a remote intelligent terminal and some of the traditional smart home system uses wired network set up, they have maintenance problems and poor system...

As a visiting scholar at Massachusetts Institute of Technology for one year, the author has done a full investigation and study on the subway lines of B-line, C-line, D-line, E-line, Red line and Orange line in Boston, the subway and bus traffic in Canada traffic information system combined with the...

The nutmeg extract had been recognized as the source of antioxidant and antimicrobial activity. The aims of this study were to obtain endophytic fungi isolated from the mace and seed of Nutmeg (Myristica fragrans Houtt) and to determine antifungal activity of those isolates. Microbiol routine assay were...

The progress of the manufacturing industry is very dependent on the development of science and technology. The current industrial revolution 4.0 encourages people to think more creatively in developing their business units. The creative economy helps the government of the Republic of Indonesia to increase...

The rapid development of information technology makes it easier for people to get information quickly. One of the developments in information technology that is currently being developed is a website. The website is one of the tools that are now widely used as a promotional medium. This research focuses...

This study investigates the flexural strength of Carbon Fiber Reinforced Nylon (CFRN) produced via Fused Filament Fabrication (FFF) about key printing parameters: extrusion temperature, printing speed, and infill pattern. While CFRN is known for its enhanced mechanical properties, the specific impact...

Nunukan Regency is one of the regencies in North Kalimantan Province which is one of the regencies that produces seaweed which is processed into dried seaweed. To handle seaweed products, a drying method is needed that is suitable and easy for the community to use and it is necessary to know what methods...

Socially Assistive Robot (SAR) is used to detect anxiety levels in children with Autism Spectrum Disorder (ASD), a condition that is often accompanied by difficulties in recognising and expressing emotions, including anxiety. The importance of anxiety detection lies in its impact on the behaviour and...

Indoor air circulation is significant in maintaining indoor air quality and comfort. As one of the main channels for indoor and outdoor air exchange, the design of window structure is essential for indoor air circulation. Based on the simulations of three window structures using ANSYS Fluent software...

Ensuring a stable and sustainable food supply is a critical global challenge. Accurate forecasting of food supply is essential for effective policymaking, resource allocation, and risk management. This study proposes a novel approach to food supply forecasting using a Long Short-Term Memory (LSTM) neural...

Energy consumption of the node is one of the most limit of the development of the Wireless Sensor Network(WSN). and it is inevitable, so it's important to design a efficient and recyclable of energy system that to promote the development of the WSN. to the nodes in the WSN, the use of solar energy self...

This paper according to real grid power maintenance needs put forward a kind of live working robot, live working robot is developed for distribution live line work of a safe and reliable live working equipment. The live working robot vehicle control system, software and hardware realization of the motion...

The possibility to test the use of alternative binders for the production of chemically bonded fly ash aggregate made of low-calcium ash of Kemerovo thermal power stations running on the coal from the Kuznetsk Coal Basin mines is described in this paper. The strength of the granules was taken as the...

The effect of the dense phase carbon dioxide (DPCD), sodium hypochlorite and blanching treatments on the color and texture of the fresh-cut bitter gourd was compared. The DPCD hold the shape and microstructure of the fresh-cut bitter gourd, and reduced their bitterness. The time of the DPCD treatment...

The modeling and simulation of shot-peening and grinding process was carried out based on ABAQUS, in which the explicit dynamic finite element method was employed. This investigation studies the effect of grinding process on the workpiece residual stress field after shot peening. Furthermore, three-dimensional...

Distribution network is the connection of the generate system and transmission line, which is at the last stage of the process of the energy transportation. It is complex to judge the direction of the power flow, so that it is significant to study a more effective method to judge the direction of the...

In this paper cross-section shape of human root neck is obtained through 3D anthropometric measurement, and human root neck circumference and the ratio of cervical transverse length and sagittal length are calculated. In addition, through geometric drawing calculation formula as well as the statistical...

Up to 2017, the total mileage of the Chinese high-speed railway (HSR) exceeded 22,000 km. Benefiting from the rapid socioeconomic development and the widely use of smart phones, more and more passengers need to access broadband information services through wireless networks while they are on travel....

Based on the concepts of local non-equilibrium thermodynamics, mathematical models for heat, mass and momentum transfer have been developed with space-time nonlocality taken into consideration. Derivation of transfer differential equations is based on taking into account both specific flows (of heat,...

A new engineering method for spot welds fatigue life prediction of commercial vehicle cab is presented. The method stars with the establishment of 3D FE model and spot weld model of the cab using the MSC. Nastran, the verification of the model is performed through modal analysis results comparation between...

Aiming at the problem of the coal mine rescue robot's perception of toxic and harmful gas in Coal Mine, The cross sensitivity of partial gas is reduced by using double gas sensor, and the influence of the variable factors such as temperature and humidity is considered, The improved RBF neural network...

Network rumors have become a severe scourge disturbing people’s network life, even endangering social stability and national security. The best way to control rumor propagation is to discover earlier, so as to take actions to govern rumor before it breaks out. In this paper, from the aspects of rumor...

The tensile experiments were carried out under different conditions of pulse current on pure titanium. The influence of pulse current density on the the actual stress strain curve, elongation and the tensile strength were also analyzed. The experimental results show that pulse current could change material...

Due to the openness of the Web application, and the data collected by the input page is very complex, to prevent these illegal importations to enter the system, therefore, input validation is a question that must be solved by all Web applications, this paper studies based on Struts2 validation framework....

Firstly, using the Hilbert-Huang Transform (HTT) methods of data for the empirical mode decomposition (EMD), so as to extract the Intrinsic mode function (IMF) of the signal , and then do Hilbert transform to get the Hilbert spectrum of the signal. The method has great advantages to non-linear and non-stationary...

In order to discuss the melatonin (MT) on photosynthetic pigment contents and antioxidant enzyme activities of vegetables, broadbean (Vicia faba) seeds were soaked in five doses (0, 50, 100, 150 and 200 µmol/L) of MT and then planted in pots containing cadmium (Cd) contaminated soil. The 50- and 100-µmol/L...

This paper focuses on analyzing characteristics of the ultra-wideband (UWB) measurement positioning system model. To start with, problems facing the UWB measurement positioning system traditional model are briefly expounded. Concerning these problems, measures, including removing the fixed devices and...

This paper starts from domestic and foreign current status of space laser communication, and analyzes the development trend and key technology of space laser communication.

Aiming at the operation control of adjacent pump stations in the multi-stage pumping station of a small buffer pool, a transient mathematical model of pipeline flow was established by hydraulic calculation in the pipeline to calculate the start-up time difference between pumping stations at different...