Advances in Engineering Research

The article deals with the maintenance and removal of elements of mineral nutrition by winter triticale plants on gray forest soils of the south-eastern part of the Volga-Vyatka zone, depending on the seeding rate and variety. The accumulation of elements of mineral nutrition is significantly influenced...

Reduced integral is used widely to improve the efficiency of solver especially for nonlinear analysis at the cost of additional artificial strain energy, therefore, proper approach should be used to control the hourglass effect induced by reduced integral. Numerical results show that for Abaqus/Standard...

In this paper, we use a piecewise exponential distribution model to predict the ultra short term wind power error and then estimate the parameters. The case we used is from Northern Ireland, we forecast the probability and precision of wind power on the basis of Normal distribution model, Laplace distribution...

In order to improve the reliability of power supply, power grid companies carry out the project of 10kV power distribution of live working actively, which gradually realizes the overhaul of distribution power without outage. The workers doing the operation to stop outage need to wear charged insulating...

The ultimate pursuit of modern racing car performance relies on the optimisation of aerodynamics, the core of which lies in balancing the contradictory demands of reducing wind resistance and increasing downforce. Excessive resistance limits acceleration and top speed, while insufficient downforce leads...

In view of present situation of the lack of intelligent machines in library, this paper introduces a new books arranging robot and gives the design scheme of control system. The books arranging robot is mainly composed of a mechanical frame and an arranging mechanism. When the arranging mechanism stays...

This paper introduces the reasons and classification of wireless space fading, statistical characteristics of different types of channels. Through the analysis of reentry channel characteristics, we select the two pathes frequency selective slow fading channels.The spectral density function of Doppler...

In this paper, a high speed mono-hull ship is taken as the research object, and the roll decay tests are carried out under different drafts and different initial rolling angles of two ship models with or without bulbous bow, The movement process of the roll motion of a high speed mono-hull ship is studied...

The content of nickel in the lixivium of scrap copper smelting slag reaches 640mg/l while the zinc content is more than 100g/l. This high content of nickel in the solution must not only be separated from the leachate for resource recovery, but also for the subsequent zinc electrowinning which need to...

Our basic model has two parts: to find the relationship between the waiting time and the rate of the vacant taxis arrive, and to find the relationship between the passenger flow volume and the rate of the taxi arriving in the area. In an extended model, we take the Scheduling efficiency into consideration....

In this paper, a CFD-based release model is presented to study the release process of alkali metal and predict the deposition in the furnace. In the release model, potassium chloride (KCl) is chosen as a representative alkali. The results showed that: the concentration of KCl, mainly releases in devolatilization...

A cable truss support system was used in the roof of the gymnasium of YueQing sports center. It is composed by the grid structure of the monolayer surface and the cable truss support system. The prestress construction is difficult by its deformation and stress control. Based on the cable truss system...

MAP2 plays a vital role in PC12 cell differentiation, expecialy the length of the synapse and the formation of microtubules. Here, NGF (Nerve Growth Factor) and OGD (oxygen-glucose deprivation) was used to stimulate PC12 cells, and convert them into neurons to establish an ischemia in vitro model. In...

For the application situation of traditional vibratory stress relief (VSR) method, technology of orientational VSR was proposed, that is the residual stress distributions of workpiece is simulated by use of finite element method, and then determine the part of workpiece need to reduce residual stress,...

Polyphenols, flavonoids, triterpenoid and VitaminC from Clinacanthus nutans were extracted by microwave-assisted extraction (MAE) technology. The optimal extracting conditions were established as distilled water as solvent, solid-liquid ratio 1:45 (g/ml), irradiation power 160W, and every extraction...

In this paper, doubly-fed wind turbine generator and direct-drive wind turbine generator dynamic model were built in the State Grid Simulation Center and a grid model include wind power was built in laboratory, various types of grid fault tests were carried out and in-depth studied. Through research...

To research on the equivalent of perforating through layered space plates and homogeneous steel, based on the rule that the limit penetrating velocity, the penetration process of tungsten sphere into layered space plates and homogeneous steel was simulated with LS-DYNA finite element code, the numerical...

The wind turbine blade is the most complex part of wind turbine generator system (WTGS).The blade itself will produce flutter and divergence under the joint effect of vibration model and aerodynamic force. That the coupling resonance of tower and wind turbine impeller will be produced, when the natural...

In highly-developed big data age, how to cover different departments and different management systems of various ownership and how to integrate a variety of medical modes are the most important problems to solve in the current medical model needs. It can achieve the optimal combination of the medical...

In this paper, three theorems on multisource information theory are introduced, then analysis and proof of them are given. Source coding with SI and joint source coding problem can be used in wireless MAC channel, while source coding with one or two helpers can be used in wireless BC channel. Finally...

The copper(II) complex[Cu(H3ssal)(2,2'-bipy)(4,4'-bipy)(H2O)](H3ssal=5-sulfosalicylic acid) as synthesized with 5-sulfosalicylic acid by high pressure hydrothermal method. The crystal structure of the copper (II) complex contained derivative bipyridine ligands has been determined and studied by X-ray...

Efficiency of the optimal vehicle route to generate effective delivery is an important issue in the logistics world. The common methods usually practiced in delivery systems are direct shipment, indirect shipment and milk run method. The objective of this research is to analyze the optimization of delivery...

Effects of Y on microstructure of Mg-8Zn-4Al alloy was investigated by optical microscope (OM),X-ray diffractometry (XRD).The corrosion resistance behavior of Mg-8Zn-4Al- xY alloy immersed in 3.5% NaCl solution was tested by static weight loss and potentiodynamic polarization. The results showed that...

With the increasing penetration of distributed photovoltaic (PV) systems, grid-connected PV inverters must achieve rapid, accurate, and low-harmonic power injection across a wide operating range. Conventional control methods in the abc stationary reference frame exhibit significant steady-state errors...

The emergence of Coronavirus Disease 2019 (COVID-19) has made many people affected by this disease, making hospital facilities limited as a place of isolation, ranging from mild symptoms to asymptomatic ones such as Happy Hypoxia (severe pneumonia) causing oxygen saturation levels, heart rate, and temperature...

This paper provided a method for determination of Copper, Iron, Manganese, Nickel, Cobalt and Arsenic in bioleaching solution by ICP-AES. Working conditions of the instrument and selection of analytical spectral lines were tested and optimized. The detection limit was 0.002, 0.003, 0.001, 0.003, 0.007,...

The bathtub water will get cooler during washing because of the heat loss, so we have to add the hot water to make up the loss and reheat the water. However, the bathtub capacity is limited, so the water will overflow when exceeding the capacity. In order to solve this problem, we developed a model of...

Using slag, steel slag and Portland cement as the raw material with a small amount of activator, the composite Portland cement of magnitude 42.5R was prepared. The steel slag fineness, the composite ratio of slag-steel slag and the types of activator on the properties of composite Portland cement were...

The camera calibration with traditional methods is of low efficiency and big error, and it needs to extract boundary points manually. In order to improve the efficiency and automaticity degree of the camera calibration, a fast and easy method research of automatic camera calibration was presented. In...

The developed mathematical and algorithmic non-linear electric signal models are presented via B-spline decomposition. The advantage of application of decomposition of B-spline data record tracing in comparison with the classical empiric mode decomposition method has been fully justified. The results...

A clustering algorithm combining particle swarm optimization (CPSO) with K-Means (KM-CPSO) is proposed, which features better search efficiency than K-Means, PSO and CPSO. The K-Means algorithms cannot guarantee convergence to global optima and suffer in local optimal cluster center because they are...

The frequent occurrence of natural disasters has seriously affected human survival and development. As well as the rapid development of artificial intelligence vision technology provides a new solution to solve the natural disaster challenges. This paper systematically reviews the progress of research...

For middle scale components online detection, a chip online detection method was proposed based on machine vision, the hardware platform was built, the software system was developed, and a new sub-pixel localization algorithm for line and arc was put forward. Through image preprocessing, edge detection...

This paper studied the durability of Glass Fiber Reinforced Polymer (GFRP) in transmission pole and tower under the UV and adverse temperature environment. The results show that both UV and adverse temperature environment influence the performance of GFRP material, with its strength significantly reduced,...

Objective The human living organ irregular volume calculation and 3D imaging method will give a potential hope for operation direction, tumor spatial location fixing. This project will also find a new method to study human brain volume calculation and this can enhance the neuroscience development. Methods...

Scorpion venom is usually utilized to induce cancer cell death via apoptosis pathways. Our study focuses on the effects of the Heterometrus liangi scorpion venom on the proliferation of KYSE-510 cells (human esophageal cancer cells) and its related molecular mechanism. Marked morphological changes in...

Objective: To observe and analyze Chinese medicine therapy without nerve injury thoracolumbar compression fracture kyphosis clinical efficacy. Methods; The study of December 2012 - between June 2014 in our hospital for treatment of non-nerve injury thoracolumbar vertebral compression fractures were 80...

Thispaper simulated the field-circuit coupled transient response with COMSOL multiphysics for one specialelectromagnetic induction system. With the simulation, we obtained the magnetic flux density distribution, the current density of coils, the voltage waveforms of the transmitting coil and the load...

With the development of mobile Internet and semiconductor technology, people have the increasingly strong demand for the home life of the network, intelligence and energy-saving. The household appliances, lighting, security alarm integrated into the control platform through a wireless network, realizing...

In this paper, it took a well-known dessert stores as the research object. It analyzed the sales data of the certain selling desserts in the past few months. It took into account that the gray prediction model had some characteristics, such as the less data required, more accurate forecasting, high accuracy....

The power sector often has to transfer the transmission lines, cooperating with the municipal construction, highway, railway construction. In other case, power transmission tower fall down or wire is broken caused by natural disasters, which is a serious threat to the safe operation of power transmission...

The space curve of curvature, torsion and formula is a part of the basic theory of space curve, it is close to plane space curve and prism of three basic knowledge as a basis. The space curve of curvature, torsion and formula in the basic theory of space curve occupies an important position, is some...

The incineration of municipal solid waste (MSW) offers a dual benefit of waste management and hydrogen production. This study examines the feasibil-ity of waste-to-hydrogen (WtH) conversion in Dhaka, where MSW with a higher heating value of 0.18258 MJ/kg generates 148,872.53 MJ of thermal energy and...

The horizontal earth pressure of shield tunnel affected by excavation was analyzed. Firstly, the foundation pit excavation disturbance zone boundary and the strain of level unit soil in disturbance zone were assumed. Meanwhile, the formula for calculating the horizontal earth pressure in the disturbed...

Since the theory of campus informationization proposed in MIT, the information management system, as the most effective method used in campus, has become universal in the worldwide. Many China universities have developed or purchased its own integrated educational management system to satisfy the requirements...

The author analyzes the domestic and foreign situation and development trend in the simulation training area, It expounds the shipment command situation laboratory team training mode of the background and content researchins, Proposes the important views for the shipment command simulation laboratory...

In this paper, four lab-scale sequencing batch reactors (SBRs) operated with anaerobic/anoxic configuration were long-term cultured, respectively with different ratios of propionic to acetic acid as carbon sources. Effects of propionic to acetic acid ratio on polyhydroxyalkanoates (PHA) formation, denitrifying...

Arsenic is a toxic substance. The adsorption by activated carbon is generally considered to be one of the most efficient methods to remove As(V). In this paper, three kinds of commercial activated carbons (N1, N2 and N3) were used to adsorb As(V) from water. The result showed that the adsorption capacity...

In this study, a desalination procedure has been developed in penicillin G-processing wastewater biological treatment. The procedure is focused on removal of part of organics and the majority of sodium sulfate to decrease the difficulties in subsequent biological treatment. The effects of activated carbon,...

The small current grounding system has many problems: low ability of extinguishing arc grounding and personal sense of electric system, none security and protection ability to indirect grounding overvoltage, equipment internal fault grounding. Especially with the rapid development of urban distribution...

This paper aims to design and develop interactive game based on Unity3D engine that is a User experience game engine. The functions that Unity3D supports autonomously are very abundant. All game developments are possible such as shader, physics engine, network, terrain manipulation, audio, video, and...

The burning of coals in urban and rural areas in northern China is inevitable, and many of them have not taken any measures to reduce the dust and smoke. The burning of coal in urban and rural areas in northern China is inevitable, and many of them have not taken any measures to reduce the dust and smoke....

Increasing insertion of distributed generations(DGs) challenges power grid security. Based on analysis of failure impact delivery which is divided into the counter-flow delivery and the direct-flow delivery, the approach of distribution system reliability evaluation is proposed. Because of no accurate...

Aiming at drawbacks of the poor universality of traditional version control model, a semantic model which can organize unstructured data into structured data is discussed in this paper. Using semantic model can describe the change process of design object dynamically;then this paper further proposed...

The stability of power system is affected by the dynamic performance of generator.This paper describes a evaluation method of dynamic performance of generator and the establishes the model of dynamic simulation in BPA,which proves that the method is practical and effective by compared with the actual...

The authors analyse modern tendencies of development in the branch of dairy cattle breeding in the conditions of the cluster. Monitoring of effectiveness of using dairy cattle was conducted in order to form an optimal structure in the region. The productive qualities of milk of red-mottled, Simmental,...

Electric power special optical cable is an important part of electric power information communication system. Electric power special optical fiber cable, can be simply understood as the optical cable and power line belongs to the same tower erection, the optical cable does not need to be set up separately....

With the rapid development of Internet, people show growing dependence on network communications. Each user has a lot of network virtual identities because of the explosive increase of network applications. Compared with previous work, our study proposes an algorithm to find virtual identities which...

Mapping using a Small Unnamed Aerial Vehicle (SUAV) is a process of making maps using aerial photos with high resolution images in a faster and more efficient manner so that it can save time when compared to using conventional methods. Ground Control Point (GCP) was created to increase the accuracy/geometry...

Public service must be provided by the government to community. In this case, the public services must be managed effectively and efficiently and ensure accessibility of services to realize good public values. The problems of public service delivery in Sumenep Regency, especially in the health public...

The water content of base soil is one of the main factors affecting the subsidence of channel bank slopes, the fluffier the soil quality of bank slopes, the greater the water content, the greater the deformation of channel bank slopes, the use of non-frost-sensitive materials to replace the bank slopes...

PVA/LPRS composite was prepared in order to deep explore manufacturing technology and performance-controlling methods of rice straw based composite. The preparation course includes the following procedures: rice straw drying, rice straw cutting, mixing with PVA and hot-pressing. The effects of hot-pressing...

with the development of wind power industry,the numberof wind turbines connected to grid is increasing,so the inevitable question follows,especially the fault information.In view of the difficulty in locating the accurate position of wind turbine failure,a new wind turbine fault encoding method is proposed...

This paper mainly study the mechanism of removing COD of oilfield wastewater by oxidation, coagulation and oxidation-coagulation. The results show that with the increase of oxidant 1# dosage, the total content of the organic matter in wastewater reduces with removal rate of organic matter significantly...

To address the shortcomings of single use of existing fire prevention materials, a novel composite that combined the characteristics of yellow mud and gel was designed and investigated. The composite grout composed of yellow mud and polymer gel can overcome the limitations of single fire prevention materials...

Soil moisture, as an important existing form of water resources, has close ties with the field of agriculture, hydrology and environment. Hydrus model is an important means to simulate the complex soil moisture movement. In this paper, Hydrus-3D model was used to simulate soil moisture, the model was...

At present, haze weather occurs in each big city of China in different extent. The problem of haze has become one of the biggest environmental problems now and the high energy consumption and high pollution industry is the source of haze weather. This paper takes the evaluation of eco-industrial park...

Surface tension/interfacial tension plays an important role in the process of VOCs absorption. A series of experiments were conducted to investigate the relationship between the interfacial tension and absorption efficiency of toluene. The results show that the performance of SCOP absorbent has the lowest...

LNG berth is one of the key construction projects in Binzhou port. Its fire control design is the main part of the construction. According to the risk and characteristics of LNG, the design is designed according to the domestic relevant laws and regulations, and the plan and design scheme of the fire...

Rayleigh damping was used widely for dynamic analysis based on direct integration, especially for nonlinear analysis. Compared with Rayleigh damping, modal damping is considered more reasonable as it can simulate the damping of each mode accurately in a large range of frequency. Though those two parameters...

In order to predict the wear fault of disc cutter in shield machine, a BP neural network model was established and then trained by inputting several groups of disc cutter wear fault samples data including cutter rotate speed, cutter head torque, tunnelling speed, total thrust force and soil pressure...

The phase and composition of Liupanshui gangue are tested by XRD and XRF respectively. The activation properties of coal gangue as cement admixture at different calcination temperatures are investigated. The results show that: Liupanshui coal gangue as a binder to join the cement cementing material,...

This research paper investigates the optimization of photovoltaic (PV) systems under partial shading conditions using a novel approach called Drone Squadron Optimization (DSO) for Maximum Power Point Tracking (MPPT). Partial shading significantly impacts the performance of PV systems, leading to multiple...

The loss of monitoring data can affect the accurate assessment of bridge structural performance, making it necessary to reconstruct the missing monitoring data. Modern health monitoring systems are characterized by big data, and deep learning models are generally capable of handling large-scale data,...

Sentiment analysis on social media platforms presents unique challenges due to the informal, noisy, and often imbalanced nature of user-generated content. This study proposes a hybrid model that integrates a transformer-based deep learning approach, IndoBERTweet, with probabilistic reasoning using Naive...

The environment online data acquisition system of Hongze Lake based on GPRS is designed,which based on detecting the temperature,pH and dissolved oxygen of water in Hongze Lake,using SOPC technology in a FPGA chip to construct a NiosII microprocessor and its peripheral interface circuit,accordingly forming...

In this paper, combined with the construction of a highway bridge across the railway Beijing-Guangzhou, discusses how to check the process of the construction with bridge girder erection machine.  The contents of the bridge construction which need to be calculated are checked according to the characteristics...

Slope supported by gabion and geotextile bag both have a high supporting strength, and with local materials, convenient construction, adaptability, environmental protection, low noise, low engineering cost and other advantages. So, it has a rapid development and wide application. To achieve supporting...

The thesis calculates the noise of the strain gauge driving circuit in order to obtain high resolution. With the analysis the thesis points out the methods to reduce the noise. The thesis also draws the conclusion that an amplifier with lower noise spectral density but wide bandwidth perhaps is not suitable...

In order to evaluate the effect of size and shape of crack defect on steel surface quality and mechanical properties, accurate measurement and characterization should be conducted. Aimed at the high measuring difficulty and low accuracy in the existing manual mode, a new series of characteristic parameters...

The finite element method (FEM) was used for simulation of piercing process of the tube in Diescher's mill. After a short description of the problem, the numerical model of the process was described. The simulated results visualize dynamic evolution of shear stresses and velocity in the piercing process....

In the present study, nanocellulose, extracted from fully bleached kraft pulp by sulfuric acid hydrolysis, was firstly oxidized using periodate to obtain dialdehyde nanocellulose (DANC). Then, DANC was used as both reducing and stabilizing agent to prepare Ag-NPs. The synthesized Ag-NPs were characterized...

Artificial intelligence (AI) technology in emerging Multiple-Input Multiple-Output (MIMO) systems is becoming a crucial direction for future wireless networks. This article explores the application of AI technology in emerging MIMO technology. Firstly, this article provides a concise overview of the...

With the continuous improvement of the expressway network and the increasing demand for public travel, expressway service areas, as an important part of transportation infrastructure, have a unique theme that reflects their image. This study aims to explore the theme positioning of expressway service...

In this article the non-linear finite element method is used to analyze the effect of presence of micro pore near a crack tip on both of the characteristics of crack tip plastic zone (its shape and size) and crack growth properties (such as crack growth length and crack initiation angle) under pure shear...

Green buildings needs to use green renewable energy. Solar energy is one of the largest green energy storage. Therefore, the application of solar energy plays an important role in green building. From the solar energy resources and application current situation of solar energy, this paper highlights...

With the development of transportation industry, there’re more and more traffic accidents caused by the vehicle driving, bring great potential safety hazard and economic risks to the drivers and their families. Therefore, it’s of great importance to take a study on airbag application especially on computer...

The dynamic characteristics evaluation of thermocouples presents a challenging problem for temperature measurement. The authors have recently proposed a novel difference-based cascade thermocouple measurement system that consists of three thermocouples with different time constants. The combination of...

This paper made the lowest cost as the goal to establish the cold chain logistics optimization model according to the characteristics of cold chain logistics and distribution. The PSO was improved to make it suitable for logistics distribution issues. Finally, examples are verified that the improved...

Photoelectric detection technology has the characteristics of simple, fast and high security, which can greatly improve the work efficiency. Therefore, the technology is more and more favored by the manufacturing enterprises. The applications of the photoelectric detection technology in the fields of...

Rapid technical developments have occurred in the field of E-Metering (Electronic Metering), and there is a rise in the need for an Automatic Meter Reading (AMR) system that is dependable and effective. In order to automate invoicing and manage the obtained data internationally, this article outlines...

In order to meet the special requirements for long-term slump retention of concrete under extreme conditions such as long distance transportation and super high-rise pumping construction, an EPEG slump retaining polycarboxylic acid superplasticizer (LT-PCE) was prepared by free radical aqueous solution...

Rutile (TiO₂) and ilmenite (FeTiO₃) are primary titanium-bearing minerals used to produce titanium dioxide, which is an important material for the production of hydrogen in renewable energy generation. This study focused on the production of the oxide TiO2 from rutile and ilmenite as well as from their...

Traditional methods of graduation management of college students were facing challenges as the graduation number of students are increasing annually. Those methods often error pone, and the legacy systems cannot meet the requirement of fast response, broad throughput and secure of a modern application...

With the increasing number ofvehicles, the vehicle parking difficult has become an urgent problem to be solved. This paper will apply Floyd algorithm to the system of underground parking lot location and navigation, which aims to solve the owners parking, find car and parking management problems. To...

In this paper, the society's information network simulation model is established to analyze how information flow, how public interest and opinion can be changed through the information networks, how information value and other parameters can be used to spread information and influence public opinion,...

At present, the new generation of information and communication technology, represented by Internet of Things, big data and cloud computing, is developing rapidly. Internet of things technology is accelerating to intelligent medical, new energy, materials and other areas of penetration through the continuous...

Noise pollution issue has become a major problem in construction planning of High Voltage Direct Current (HVDC) transmission engineering. Meanwhile as the promotion of biomass power generation, rice husk ash (RHA) disposal problem has received widespread attention. This paper developed a new type of...

Agricultural information technology is an emerging research direction with high effect agriculture developing. The paper proposes a design idea on monitoring and warning system for the environment of tropical crop growth based on technology of multi-sensor, database, computer interface, embedded programming,...

In the first model, we build a set of parameters to describe the degree of water purification demand of each city and successfully get the water desalinization plant building scheme. In the second model, we introduce the pollution coefficient into our multi-objective optimization problem and got the...