Advances in Engineering Research

A modified anoxic/oxic (A/O) process was represented by coupling suspended-growth activated sludge and hydrocyclone, simply termed "AOH" process. The nitrate mixture liquid was firstly transported into hydrocyclone and then returned into the anoxic zone in AOH process. Sludge flocs were disrupted and...

Based on the course of power electronics technology, the principle and results of the AC-DC-AC circuit of the inverter structure are analyzed via experiment and simulation. Through the comparison of designing and MATLAB/SIMULINK simulation, we can improve comprehensive ability of practice and the ability...

This paper presents the motion control and software design of an on-line automatic recognition system for automobile aluminum wheels. The system mainly consists of a recognition station, two laser displacement sensors, a ball-screw, an industrial computer with data processing software, and a programmable...

According to the DC and AC distribution system with the classified load, the maximum transmission capacity is calculated. The price of the main devices in the distribution system including DC breaker, DC converter, etc. is analyzed. Taking the proposed 10kV AC, ±7.5kV DC and ±15kV DC distribution system...

Teaching management information system(TMIS)is an important part of education informationization. Education informationization will be deployed to the cloud,supporting mobile applications,which is the trend of future. Cloud computing provides a new platform for the TMIS. Based on the functional analysis...

In order to improve the traditional pneumatic rubber tire performance of puncture-proof, explosion prevention and environment adaptability, a main-auxiliary spring structure wheel was propesed. The new wheel composed base on metal helical spring mutual woven and interwined. By analyzed the system structure,combined...

The study is to design a biomarker based on hydrophilic quantum dots(QDs) can be bound to the P53 protein for diagnoses of breast cancer (BC).To achieve the purpose, we uses the water-soluble quantum (QDs) AgInS2/ZnS connected with P53 monoclonal antibody to design a novel kind of biomarker as a new...

In view of the problems existing in the safety education and training of Substation, this paper designs a simulation training system for electric power safety accidents. This paper introduces the hardware and software scheme of the system, focusing on production safety accident case, the system uses...

In order to optimize the production process of the fused zirconia-alumina-silica material(AZS), the simulation was conducted by using the Anycasting software to study effects of the mould specific heat of SiO2 material on the system solidification time, solidification fraction, temperature gradient and...

A set of simulation equipment is set up after the conditions of removing SO2 and heavy metal Hg (Hg0 and Hg2+) has been investigated, the results of the removal technology method of absorption Hg0, Hg2+ in smelting gases containing SO2 with (NH4)2S is tested, and their composition of reaction products...

With the development of technology such as cloud computing, wireless networks and mobile devices, the application of mobile learning in the education of all types and at all levels is increasing popular. The importance will increasingly highlight: it is expected to become the primary entrance for the...

This paper study sensor-less fault diagnosis on rolling bearing of wind turbine generator system, by means of establishing an experiment that can simulate doubly fed wind power generation system, on basis of the mathematical model that reflects magnetic flux density impacts on the electrical signal,...

Dynamic traffic state identification is important to traffic control and guidance on urban arterial road, according to the fuzzy characteristics of the traffic flow, this paper firstly establishes a dynamic traffic state identification model based on improved Fuzzy C-Means (FCM) clustering to divide...

In this paper, we propose a novel decentralized control under price update mechanism for large populations of plug-in electric vehicles(PEVs). We use the PEVs as decentralized power suppliers to supply frequency and voltage amplitude adjustment services to the grid. In the price update mechanism, the...

The Bacillus sp. L15 isolated from a sea cucumber Apostichopus japonicus breeding pond could effectively reduce the contents of COD and NH4-N in the pond water and significantly promoted the growth of A.japonicus. This study further tested the influence of Ca2+, Mg2+ and Mn2+ on the reproduction and...

The paper proposes a new variant of additional support improvement of the pipelayer boom. The supposed technical solution allows one to increase smoothing and stability of pipelayer operation. The result is achieved by adding extra elements into the construction of the pipelayer boom support. The proposed...

This design introduces an adjustable frequency AC Supply which is used as the excitation source of the metal particle detection sensor. According to different sine table, STC15W4K16S4 microcontroller outputs corresponding frequency SPWM control signals. These signals are amplified by the MOSFET drivers....

As the core component of large-scale machine, the performance of low speed high load bearings directly affect the operation of the machine, the fault diagnosis methods of the bearings has been a hot issue. By list different types of fault problems, at the same time, there are many methods of such bearings...

Ulcerative colitis is an inflammation in the intestinal tract. Animal models of ulcerative colitis were used to study unknown pathogenesis and identify new drugs. Animal models of ulcerative colitis could be induced by chemical agents such as dextran sulfate sodium, trinitrobenzene sulfonic acid, and...

Valorisation of glycerol as a by-product of biodiesel production is the main reason researchers to synthesis acetin. It is known as a cold flow improver and emission CO reducer of petrodiesel. Generally, it can be applied as a supplement to diesel and biodiesel. Another route to synthesis it is trans-esterification...

The prediction of post-construction consolidation and settlement is critical for assessing the deformation of a soft soil subgrade. One-dimensional consolidation creep test was conducted to analyze the creep characteristics of a soft silt subgrade of a highway constructed near Qinghai Lake. The test...

The collapse of karst roadbed endangers people's lives and property, and existing treatment methods can also cause secondary collapse. Geotextile treatment methods have been proven to be effective, but there is relatively little research on different arrangements of geotextiles to treat karst collapse....

The operational readiness of the defense radar is crucial in protecting the country’s sovereignty from aerial threats. Proper monitoring of radar health status needs to be continuously developed to support high operational performance. Prioritizing equipment repairs through appropriate predictive maintenance...

for the traditional emergency communication system can not meet the status of emergency communications needs, this article analyzed the emergency communication network and related technical means, and put forward two kinds of wireless ad hoc emergency communication network scheme, in order to provide...

To solve the problems of paint waste, poor coating thickness uniformity and low spraying efficiency for outer or inner-horn surface with two patches in the vertical spraying technology, a continuous varied dip-angle spray trajectory planning method is developed. Several problems on the off-line programming...

The purpose of this thesis is to design and produce a low cost, low energy consumption, easy to use, suitable for family life, can realize the automatic cleaning of the intelligent cleaning robot. This design adopts the structured design principle, the design of intelligent cleaning robot based on MSP430...

The antibacterial activity of the five dimeric quaternary ammonium amphiphiles against Escherichia coli were evaluated by determining the minimum inhibitory concentration (MIC) and compared with one monomeric quaternary ammonium amphiphile. The antibacterial activity of dimeric amphiphiles is superior...

Experiment with fresh green asparagus as raw material, Research on three kinds of common blanching medium as water, oil and water mixed oil. Respectively,the antioxidant activity, dry matter dissolution rate and sensory properties of asparagus as an indicator.And the conditions of Blanching medium were...

The Middle Submember of Member Three of Shahejie Formation of Paleogene (Es3~Z Member) in the west of Niuzhuang Sub-sag of Shengli Oil Field is the research object of this article. In this article, the porosity and permeability of the Es3~Z Member are statistically analyzed and calculated from well sampling...

In this paper, a product quality safety tracing system has been established to analyze and evaluate possible hazards from sections of raw material purchase (source) to product processing to consumption. At the same time, a supply chain finance platform has been built to further study safety risk control...

Intracerebral hemorrhage (ICH) accounts for around 10-30% incidence of the cerebral apoplexy, the prognosis of which is so poor that has high morbidity and mortality. In cerebral hemorrhage, the artery bleeding is very common. Along with the development of imaging, computed tomography angiography (CTA)...

With increasing business management projects, managers find incongruities between organization as a whole and individual project which influence the achievement of overall business goals. Objectively, multiple projects of business management need to be clustered into programme for management in accordance...

Multi-view face detection is the main problem we consider in this paper. There has been significant research on this problem, while current state-of-the-art algorithms for this task leave something to be desired. In this paper, we present an algorithm to enhance the face detection performance. Before...

Airborne electromagnetic method (AEM) as an efficient, regional geophysical electromagnetic method has been widely used in geological survey, mineral exploration, environmental monitoring and other fields, but not in China for the civil aviation law and the safety consideration. We introduce a new semi-airborne...

With the development of mobile internet technology and the popularity of smart mobile terminals, mobile social network has become an increasingly social revolution. Mobile social networks not only provide users with more personalized services, but also bring privacy leaks. This paper analyzes the main...

he possibility of excavation of valuable rare earth elements (REE) from coals and excavation of ash dumps on the analysis of their content in Kuzbass is examined and discussed. New functional materials on the bases of REE compounds are presented

The surplus power of Liaoning Province is very obvious, and a lot of spare capacity needs to be consumptive. Haze and other pollution in Liaoning Province take place frequently in winter, and winter heating is one of the major factors. The study found that the implementation of conversion coal to electricity...

For the development of oil and gas field, the effective viscosity determination of the viscoelastic fluid is always the problem of chemical flooding and there are technical problems to verify difficultly. The common methods include bulk phase viscosity method, the rheological curve method, and the drag...

The state-of-art technical developments in the engineering construction technology has made it now possible to implement any hydro power project, irrespective of its magnitude, wherein even geological setup of project is unfavorable & adverse. However, this poses immense challenge for the rightful selection...

The increasing growth of remote sensing data and geoscience research poses great challenges to remote sensing data services. One of them is integrate heterogeneous data provided by multi space agencies and provide a one-stop data service. In this paper, a 3-layerd architecture is proposed and two different...

The paper contains an analysis of fertility changes in dark gray forest soils under man-made forests of Pinus sylvestris (L.) with the age of 15; 30; 45 and 60 years. The studies were performed in the territory of a forest enterprise located in Abatsky district of Tyumen oblast, in the northern forest-steppe...

The smart grid has been being built by State Grid Corporation, Inevitably, which must have a profound impact on customers. Based on the famous Fornell ECSI model, a new index model called SGCSI has been established according to the characteristics of the smart grid, which created a new index evaluation...

Combined with the sounding mechanism and cepstrum, a new model is proposed to describe the timbre more precisely, together with the nontonal Mel-frequency cepstral coefficients (NMFCC) derived from the nontonal spectral content which relates closely to the resonator. A better performance is observed...

A set of GDI system was installed on a F188 single-cylinder, air-cooled and vertical direct injection diesel engine, which was used for ethanol injection, and the mechanical pump injection system of the original diesel engine was used for diesel injection. Ethanol and diesel account for half of the total...

Nanoparticulate TiO2 microspheres were synthesized by microwave assisted homogeneous precipitation. The effect of concentration of oxysulfate sulfuric acid complex hydrate (TiOSO4·xH2SO4·xH2O), urea and temperature were investigated. The obtained powder was characterized by X-ray diffraction (XRD), Scanning...

With the rapid development of information technology, as a key technology in the information era of the Internet of things has been widely used in various industries, and based on the cloud computing platform on the Internet of things to explore is of great significance for the application of Internet...

Chlorine dioxide (ClO2) plays an important role in the pulp and paper industry to produce pulp with high purity, yellowing is not desired and paper with high quality. Bleaching pulp using chlorine dioxide (ClO2) is widely chosen because more environmentally friendly and does not produce dioxins, furans,...

With the advancements in technology, smart hydroponic systems have gained popularity as an efficient and sustainable method of cultivation. These systems allow for precise monitoring and control of various parameters such as nutrient levels, pH, temperature, and humidity. To further improve the monitorin...

Applications of Internet of Things are regarded as one of the most advanced and proposed solutions to resolve hunger issues around the world and achieve SDG targets, as its aims of promoting a scheme called smart agriculture and increasing efficiency and accuracy. However, there are several challenges...

China has been committed to ecological civilization construction and has proposed “dual carbon” goals, demonstrating a strong emphasis on environmental protection and energy conservation. The continuous development and supply of resources have resulted in high carbon emissions in resource-based cities,...

An experimental investigation was conducted to investigate the effects of railings on the torsional vortex-induced vibration (VIV) of a single-box girder bridge. This study undertakes a comparative analysis of the torsional VIV characteristics of a bridge girder in two configurations: with railings and...

Competency assessment systems are essential for educational and professional certification frameworks, providing structured methodologies for evaluating knowledge, skills, and competencies. Traditional implementations, often based on localized servers and manual procedures, have limitations in scalability,...

The study of normalization of steel by hardening using manganese powder is the design form of this study. The steel used is AISI 1020 steel because it has general standards and is suitable as a base for hardening. The interesting thing about this research is the element of manganese (Mn) in rock mineral...

Traditional dyeing technology with modern elements borrowed from computer digital design. The use of modern computer technology to develop innovation in the traditional art of tie-dye, and enriched the artistic charm.With the development of science and technology, a variety of new computer software applications...

The cocatalysts of various copper morphology modified TiO2 nanotube arrays (TNTs) were prepared by electrochemical deposition. The morphologies of the samples were investigated by SEM. The reductive and oxidative copper modification strongly reinforce TNTs photocurrent response in UV and visible light...

This study focused on the recycling of tea waste and developing circular economy of tea industry, through experiments and literature analysis, we found components of tea waste, and concluded that tea waste contains tea polyphenols, cellulose, lignin and other components. Molding experiment was performed...

Hexagonal Mn2O3 nanoplates were synthesized by a hydrothermal method and then a annealing process. The Hexagonal Mn2O3 nanoplates prepared at hydrothermal temperature 200 oC exhibited the best electrochemical properties with a high reversible capability and cycling stability, It still retains a high...

The influence of piles design parameters such as pile diameter, pile length and pile stiffness on dynamic deformation characteristics of gravel pile composite foundation and CFG pile composite foundation was analyzed. The calculation results show that the influence of pile diameter on dynamic deformation...

This paper discussed a method of PLC controlling motor. Including the start and stop, forward and inversion of motor, Positive &negative switching in the process of Running. And realizing low speed, high speed, medium speed and switch operation, accurate control of step motor number. it was elaborated...

At present, the physical phenomenon of injection profile plays an important role to improve oil-driving efficiency and oil recovery. A mathematical method is studied and applied to solve related production problems based on Buckley–Leverett theory. In addition, some different injection profile is shown...

Quality control data of heavy metal content (in terms of Pb) detected by atomic absorption spectroscopy in moulded polyethylene packaging material were analysed. A hypothesis of normal distribution was accepted at the 95% confidence level. Established individual and moving range charts indicated that...

In order to improve the efficiency of data fusion in wireless sensor networks and reduce the energy consumption of the system, a new method of data fusion based on GSO algorithm for optimizing BP neural network is proposed. Sensor nodes sensing data, and then use the GSO algorithm to optimize the BP...

During the foundation pit excavation,the prediction of ground surface settlement around deep foundation pit is directly related to the safety of the foundation pit excavation, surrounding buildings and pipelines, but the ground surface settlement of foundation pit has the characteristics of nonlinear...

Nowadays, the requirement to preserve user privacy has avoided the preservation of data that could be used to correlate library data to non library data. This paper used data mining and data detection to identify academic library use patterns and to judge whether students' the number of published papers...

NOX pollutions affect our social manufacture and human being living, which has caused the extensive attention. NH3-SCR (selective catalytic reduction) has been largely studied to reduce NOX pollution. Most people focus on catalysts under N2 and inert gases atmosphere, while few people research on the...

Through a new storage architecture of Internet of Things (IOT) big data research, retrieval and analysis of large data put forward the optimization design of innovation, design and build the mass small file storage system based on HDFS SensorFS, solve the fundamental problem in storage, efficient for...

The article is devoted to the synthesis of a fuzzy regulator for optimal regulation of parameters in a three-phase separator of Heater-Treater type in whichthe liquid-gas mixture is separated, heated, and oil emulsion is split into formation water and oil. These processes are complicated by the fact...

This paper applied the AIDS model, using parameter estimation method to estimate the expenditure elasticity, self-price elasticity and cross-price elasticity of the food consumption of urban residents in the Loess Plateau, China. The results showed: the expenditure elasticity of eggs is 3.0268, which...

The stability and efficiency of combustion determine utility of fuel and the rate of heat release, which is used to evaluate the performance of combustion organization. However, the walls of low temperature and fire-retardant material are prone to absorb the activated molecules, leading to break of chain...

Temperature is one of the most basic environmental parameters. The measurement and control of temperature are of great significance and application value in people's daily life and industrial production. So, this paper realizes the temperature monitoring system based on STC MCU. The DS18B20 temperature...

In order to construct a large number of diverse and innovative fractal graphics, an arbitrary nonlinear transformation of "V(x,y)" is introduced into the classical iterated function systems to change the construction form of nonlinear iterated function systems (NIFS). The deterministic algorithm and...

The use of servo/stepper motor actuators in solar tracker systems requires additional gear components. These additional components affect the movement response output of the solar tracker system. This study research the accuracy, response output of a single-axis solar tracker system using pneumatic actuators...

Addressing the issues of low development efficiency and lengthy design cycles associated with document-based approaches in the design of Train Control Management Systems (TCMS), this paper introduces Model-Based System Engineering (MBSE) during the TCMS requirement analysis process. Guided by the needs...

In order to explore the difference in the performance of recycled aggregate produced by different strength of parent concrete, six groups of test blocks with different compressive strength were used as parent concrete to prepare recycled aggregate, and relevant experimental analysis was carried out....

Path planning constitutes one of the fundamental technologies in robotic navigation. Focusing on the operational environment of wheel-legged lunar rovers on the actual lunar surface, this paper proposes and establishes a novel integrated planning methodology based on fuzzy control theory and ant colony...

Fermented garlic or also referred to as black garlic goes through heating process so that it has antioxidants activity both in vivo and in vitro. Antioxidant activity of black garlic may be affected by the processing method. Black garlic has a dark brown color and fresh sweetness, different from aroma,...

Landslide frequently occurred in Heifang platform of Gansu province which have brought great loss to local villagers. Filed monitoring and warning system based on wireless sensor network with Zigbee technology for landslide is a good choice for landslide monitoring. The prediction of energy loss through...

With the increase the traffic congestion, it is urgent to develop the bus priority control to improve the public transit attractiveness; Recently the application of the tram has increased the complexity of the intersection priority control. The priority traffic control strategy can reduce the delay of...

The deleting mechanism of file is summarized by means of research on NTFS structure and management mechanism. After analysis on the deleted leftover, valuable information included in it was acquired. A method is proposed for anti-delete forensic based on traversing free file record. Software named AntiD...

Analysis of network characteristics and robustness play an important role for the aviation network overall function. This paper collects the data of the current China's domestic aviation network, and estimates the statistical characteristics of the aviation network. The research results show that: the...

In the past few years, the problems of urban air pollution became increasingly serious in many countries. In this paper, the comparison and analysis of air quality between developed and developing countries, such as Korea, China, and Thailand, were proposed. In detail, the state of air quality, state...

The WeChat is the new information dissemination channels, which has some merits to the traditional propagate to ideological and political education in university, such as more professional, more flexible and suitable for students. In the paper, public elective WeChat platform was constructed as well...

Based on the design proposal on the reconstruction of the Da Wei Jian Cai road section between the 107 National Highway and Songfeng Road in Hengyang, Analysis on mechanics response of the related pavement structure layer concerning the two different models established here through the Finite Element...

This work is part of a project “full life cycle automation of computer animation generation”. Among various animation planning tasks, it is crucial to plan the moving traces of avatars. Our previous animation generation software includes a path planning module. However, that module generates only a...

Ultrahigh-molecular-weight polyethylene (UHMWPE) and nitrogen-doped graphene /Ultrahigh-molecular-weight polyethylene composite (NG/UHMWPE) samples were successfully fabricated through an optimized hot-pressing molding method. Friction and wear behavior of UHMWPE and NG/UHMWPE samples sliding against...

A method for precise face detection and segmentation combining with the particle swarm optimization is proposed. The method uses three key technologies: skin color segmentation, particle swarm search and curve approximation. The experimental results show that this method can eliminate the interference...

The plenum chamber, as an important part in the production process of lithium battery films, directly impacts the efficiency of hot air circulation and the temperature field uniformity in the thermal insulating room. Studies confirm the orifice plate configuration of the plenum chamber affects the heat...

Aiming at the application of echo state network in the field of data prediction, the hierarchical structure and parameter configuration of echo state network are analyzed in detail. On this basis, the three processes of ESN single-step prediction, ESN multi-step direct prediction and ESN multi - step...

The research presents a data generation method for layer slice in FDM additive manufacturing, which solves the intersection between surface STL file and slicing plane and gets the slicing counter surface data. In the research it designs the layer slicing algorithm and tests it in a FDM machine to fabricate...

Using pot experiment to study the effect of vermicopost on the activities of soil urease, acid invertase, acid phosphatase and catalase of coastal saline soil in water spinach plantation under conditions without chemical fertilizer utilization. Six treatments were designed by mixing vermicompost and...

Well-Lighted room holographic technology is to make people better understand the principle and characteristic of hologram ,master the holographic method of diffuse objects, and produce a diffuse three-dimensional hologram. To grasp the method of reflection holographic photography, learn to make the object...

This study aims to examine the effect of motivation, physical work environment, non-physical work environment and job satisfaction on performance. A total of 63 respondents from Non-permanent Employees in the Regional Government of Ternate were surveyed in this study. The analytical tool used in this...

Modular construction has emerged as an innovative solution in the building industry, offering substantial potential for enhanced efficiency, cost reduction, and sustainable building practices. However, its development in Chongqing faces several unique challenges. This paper seeks to identify and analyze...

The Hamilton decomposition of graph G is a partition of the edge set into a Hamilton cycle and 1-factor if the vertex degree is odd or a partition into a Hamilton cycle if the degree of the vertex is even. In 2020, the focus was on determining the Hamilton decomposition...

The IoT-based Telemedicine System for Medical Checkups offers a comprehensive medical examination designed to assess overall health, identify risk factors, and detect potential health disorders that could develop into diseases. This research aims to develop a prototype Medical Checkup Station using the...

Adopting green construction methods during the construction process can effectively reduce the use of natural resources, but the discharge of construction waste is inevitable. If targeted measures are not taken, scientific and reasonable treatment of construction waste can effectively reduce the emission...

This study aims to compare the tensile strength characteristics of pure HDPE materials with recycled HDPE by performing tensile tests on test specimens. The stages in this research were carried out by printing pure HDPE specimens and recycled HDPE with mesh sizes of 4 mm, 8 mm, and 12 mm for the test...

To solve the problem of the strong adhesive in normal temperature and pressure, a new wood assembled adhe-sive based on water-based polymer - isocyanate adhesive (API) is developed. The effect of prescription com-position, viscosity, solid content and cross-link agent content were studied by laser particle...

It is important to research on how to improve the technological innovation system of the enterprises for Mass Customization by scientific theory. Based on the analysis of Lean Thinking, the advantage of the flexible application of Lean Thinking in Mass Customization enterprises' technological innovation...

Nowadays, passengers waiting in line in the security checkpoint always causes a high degree of congestion. In our paper, we find the bottleneck that interferes with passenger throughput, and propose solutions accordingly.First, the Monte Carlo model is established. And according to the Monte Carlo model,...