Advances in Engineering Research

Considering the constant development of modern information technology, various kinds of data possessed by people have increased in a geometric and explosive way.Big data mining technology is a key technology for obtaining relevant information and has become a focus of study in information bound. As data...

Aiming at the problem that the cluster head node overload and cannot effectively control the edge node based on routing protocol in wireless sensor networks. We designs a kind of ellipse model with double cluster heads and uses Matlab to carry on the network simulation experiment. Through the analysis...

This paper systematically analyzed resource application allocation process and the timing relationship of resource application in aeronautical mobile communication system's link layer. This paper aimed at a new generation space ground data link technology which was called L-band digital aeronautical...

A kind of backstepping controller is designed for a kind of pitch channel model of hypersonic aircrafts. The main task is to realize attack angle tracking of hypersonic aircrafts. Compared with traditional linear design method, the main difference is that the nonlinear model is directly used in the design...

It is worth studying that how to utilize image features so as to achieve the satisfied result of CBIR (content-based image retrieval). To solve this problem, this paper proposes an adaptive image retrieval algorithm based on color feature and texture feature, in which the two kinds of features are combined...

A new method for proving to be an isomorphism was presented. Based on the method, an algorithm was presented to prove to be an isomorphism, which can be implemented in the GP/PARI.

The aim of this paper is to research variation of phenolic yields in bio-oil and the effect of interactions of three components in biomass, fast pyrolysis experiments were done with cellulose, xylan (as an alternative to hemicellulose) and lignin in tube furnace at different temperatures. Phenolic yields...

Equipment used at the enterprises implementing oil and gas technologies is potentially hazardous and should be of high degree of reliability. Reliability of equipment reduces the number of defects appearing during the operation process. One of hazardous and unpredictable defects is fracture. If there...

The three-dimensional shock-bubble interaction is investigated numerically using high-resolution piecewise parabolic method, in which both the viscous and turbulence effects are considered. The bubble is fixed at the same size and is accelerated by a planar shock wave of different strengths, in which...

The Ni7Cu3 alloy was prepared by arc-melting. The magnetic and magnetocaloric properties of alloys had been investigated. The Ni7Cu3 alloy was formed in a single phase with Cubic Ni-type crystal structure. The sample undergoes a second order magnetic phase transition from ferromagnetic (FM) to paramagnetic...

A harmonic error measurement system which can simulate the actual operating conditions of electronic instrument transformer was established for electronic instrument transformer harmonic error measurement. The system consists of High-power current and voltage harmonic source which is used to output fundamental...

Searching a lost plane on seas usually is a task hard to implement in most situation, due to scarce data and widely sea. To overcome it, an optimization model is proposed. The proposed approach is based on the details and can govern the key information in the searching. Meanwhile it is easy to be understood...

Steel corrosion in concrete is a process of electrochemistry. When chloride content at the steel surface exceeds the chloride threshold level (CTL), the steel begins to corrosion. The CTL is one of the key parameters needed for service life prediction of concrete structures. Based on the electrochemistry...

Particle system dynamics is the well known method that can be used in wide range of spatial scales - from molecular to astronomic. However, numerical experimentation with constructional composites requires adequate representation of peculiar forces that are due to solvation shells, steric conditions...

To facilitate the airfoil design, this paper studied the methods of constructing analytic functions to generate airfoil profiles. By Taylor series, Joukowsky airfoil function was simplified to a simple expression, and its coefficients and exponents were redefined as general constants. A series of simple...

In order to improve the adsorption performance of Attapulgite (ATP) on dyes. The ATP activated with hydrochloric acid was organic modified with silane coupling agent KH570. And the modified attapulgites was characterized by Fourier transform infrared spectroscopy and X-ray diffraction technique. By evaluating...

This paper analyses the integrated energy service from the service point of view, combs the service content, typical service process and so on, and puts forward optimization suggestions. Aiming at the problem of differentiation, this paper puts forward differentiated service strategy and differentiated...

With the rapid development of oil & gas pipeline construction, the pollution accidents are increasing in quantity. The safe operation of pipelines has aroused widespread concern. This study collected the historical cases of environmental accidents in the domestic oil & gas pipelines in recent 10 years....

A CAN bus based data acquisition system design method is described in this article. Based on the theory of data acquisition and monitoring system, a high-performance, high-reliability, real-time CAN field bus is adopted, a high-performance, low-power Cortex-M3 microcontroller is used as the control core,...

There is no record on the prevalence of parasites of snakes in Mizoram. This study was undertaken in an attempt to identify common gastrointestinal parasites in the king cobra Ophiophagus hannah. In this preliminary survey, necropsy was performed on four individuals collected from different localities...

The purpose of bridge construction monitoring and control is to ensure control indicators within allowable range by measuring and correcting, and to ensure the safety and quality of the bridge during the construction stage. Based on a prestressed concrete composite box-girder with corrugated steel webs,...

The article is devoted to the research of strength properties of single abrasive grits of various shapes. The existing methods for determining the strength of abrasive materials are analyzed. Data are presented on the pattern of stresses arising in abrasive grits under various schemes of applying loads...

To investigate the relationship between glycosylated hemoglobin (HbA1c) level and diabetic retinopathy (DR), we selected 260 patients with type 2 diabetes mellitus in Affiliated Hospital of Binzhou Medical College from January to December in 2016.These patients were examined by HbA1c and other biochemical...

The development of economy and society drives continuous progress of electronic technique, and electronic circuit simulation technology level gradually improves. In practical operation process, electronic circuit simulation technology is required to guarantee high efficiency of electronic development....

This paper introduces the retrofit of the condenser of a 300MW high backpressure heating turbine. According to the test data of high and low backpressure situation, we calculated the operation indexes of the condenser at these situation. The condenser terminal temperature difference is both small at...

In this paper, we try to designing a new toll plaza and the goal is to maximize the throughput, minimize the cost and accident times. Taking highways in New Jersey of the United States for example, the Queuing theory and Analytic Hierarchy Process are used to analyze the model.

Coherent Fast Frequency Hopping (FFH) spread spectrum signals effectively improve the ability to fend off forwarding jamming and interception of a satellite anti jamming communication system. However the acquisition of FFH signal is influenced by the frequency-selective ionosphere delays. The global...

Two experiments of capillary suction and chloride penetration were carried out on the concrete specimens after exposure to natural cooling and spray water-cooling, and absorption coefficient and permeability coefficient were used to estimate the combining influence of cooling mode and temperature. The...

Adams, Simulink, and analytics combined method is created to predict the hoisting operation of crane ships. The flexibility of the boom can be modelled in Adams with a mesh file created by Ansys APDL and 3D visualization can be fulfilled in Adams. With this method, the model of "Offshore Oil 201" is...

The critical thinking skill is needed to analyze environmental problems that occur. Along with the increasing environmental damage due to human behavior and activities, a solution is needed that must be sought immediately. Through the learning environment, these skills are used to analyze problems, look...

Research on the development of sustainable alternative fuels to replace fossil fuels has received serious attention because of the increasing world oil prices and environmental concerns. This study focused on the development of Dual Fluidized Bed Gasification technology, especially the cold model performance...

The incorporations of synthetic fibers have raised worrying concerns, so an alternative material which is inexpensive and ecological resources is proposed. Kenaf fiber has high tensile modulus and elongation at break and potentially to be used as reinforcing fibers in FRP composites to replace synthetic...

Gobi Lakes Valley is located in central Mongolia which is considered to be one of the regions where dust storms occur most frequently in Mongolia. We are planning to clarify both erodibility and erosivity in the valley. To accomplish this objective, we have started field observations of meteorology,...

This project was funded by the “Xi’an University of Architecture and Technology SSRT (Project Approval No.: X202410703415)”. In this paper, a cell balancing control strategy based on bidirectional DC/DC converter (BDC) and Buck-Boost topology is proposed to improve the stability and efficiency of wind-solar-water...

Shield tunneling machines are powerful tools for underground transportation construction, but working in hard rock environments can exacerbate the wear and tear of their rolling cutters. In recent years, the rock-breaking performance of toothed rolling cutters has gradually attracted attention. This...

The use of e-learning has become common in educational institutions. This is further supported by the obligation to implement online education during the COVID-19 pandemic. E-learning is a system that is anticipated to not only replace traditional learning techniques and resources but also to introduce...

The construction of power transmission project has the characteristics of many points, long line, wide area, high cost and large investment, which also leads to many risk factors faced by power transmission and transformation construction, especially the risk factors of construction progress. Through...

With the policy orientation of national carbon peak and carbon neutrality, the design and construction of sponge cities should inevitably have corresponding responses. This article discusses the types of carbon emissions, carbon emission boundaries, and difficulties in quantitatively calculating carbon...

The acetal formation reaction, which involves the condensation of an aldehyde with an alcohol, is a model acid-catalyzed reaction widely used in organic synthesis and fine chemistry. The efficiency of catalysts in this reaction depends on the surface acidity, accessibility of active sites, and resistance...

Sustainable development has encouraged green tourism Small and Medium Enterprises (SMEs) to adopt environmentally responsible practices. However, many SMEs still lack integrated information systems to support environmental accountability because of limited financial and technical resources. This study...

This work is to determine the leading position of liquefied natural gas by comparative analysis with renewable energy sources as competing energy industries with a development perspective until 2035. Hypothesizing an unknown energy source capable of replacing traditional energy.

The railway level crossing is a meeting point between a highway and a train. This analysis is conducted by identifying and evaluating the components of the Concrete Level Crossing feasible according to the dynamic loads by train and vehicle. Evaluation of Concrete Level Crossing is by observing the condition...

To investigate the functional relationship between the efficiency of light pipes and the length-to-diameter ratio, this study simulated and analyzed the relationship using HOLIGILM software under standard overcast sky conditions, based on the latitude characteristics and light climate conditions of Guangzhou....

This paper aims at finding an implementation path to promote the coordinated development of technology capability and technology management ability. This paper analyzes the technical ability and management ability, and their relationship in the equipment manufacturing industry briefly. Through deductive...

Mechanism of aeroelastic control is more complicated than that of vibration control based on piezoelectric material, and analyzing the control mechanism is of great significance for the research of aeroelastic control. The macro fiber composite (MFC) actuator is modeled by the load simulation method....

Energy efficiency and power density become main qualitative indexes of power electronic systems. This paper deals with derivation of the optimal design of high frequency transformer, which forms very important part of the dc-dc converter. Design procedure focuses on the possibilities of converterïs power...

This paper mainly discusses the imaging features of remote sensing images, as well as the core target detection technology of image application, and uses several traditional image detection algorithms to experiment. The experiment results show, for unspecific targets, the edge detection algorithm based...

Biological phenotypes of mutant strain 1681 that was the pathogenicity-reduced strain in Colletotrichum gloeosporioides of Stylosanthes guianensia were analyzed by testing growth rate, colonial morphologies and sporulation ability. TAIL-PCR was used to identify the T-DNA integration site and the genes...

Image processing system based on ARM is a faster, smaller and more flexible application. Based on the analysis of human face and eye features, a new eye location algorithm based on ARM embedded system is presented. Firstly, the methods of histogram equalization and median filtering are used for the image...

In this paper, hydraulic replacement system of the damaged tower material is researched. The hydraulic replacement device is set out along main material; using the reinforcing plate and connecting bolt holes of double column battens angle steel tower to design the hydraulic replacement system for damaged...

With the rapid development of power transmission and transformation projects in China, steel supporting structure has already became the most popular structural form for these structures, and high-strength steel (normally means the steel with the nominal yield strength in the scope of 460MPa and 1100MPa)...

The mechanism of the catalysts for electro-catalysis of formic acid fuel cell is introduced,the recent advances of the Platinum(Pt)-based anode catalysis and the influence of the catalytic activity of formic acid fuel cells are analyzed, providing direction of selecting the potential Pt-based anode catalysts...

This paper through the study of the hydraulic cylinder test system, for the low-automation, low-automation, and inconvenient of old Hydraulic Cylinder Test bed, designed a set of hydraulic cylinder test bed system based on servo control. In the servo system the industrial computer as the upper machine,...

The design of a very compact asymmetric coplanar strip (ACS) feed printed antenna with resonators for WiMax/WLAN applications is presented. The antenna is simply formed by a U-shaped slot embedded at the center of the asymmetric coplanar strip, rectangular split-ring resonator (SRR) embedded on the radiating...

In the visual axis stabilization system under the background of the shipboard, it is necessary to use the high-frequency and low-frequency of the FOG output signal, respectively. For the practical application, this paper proposes a method which contains de-noising and signal separation. This paper analysis...

Under the condition of unchangeable reaction time, the dosage of initiator and chain transfer agent, the molar volume of unsaturated double bond, we synthesized a series of polycarboxylate superplasticizer via free radical polymerization. These polycarboxylate superplasticizer had a similar structure...

There are a huge amount of historical Chinese rubbing images in different library that have not been exploited electronically. However, many invaluable collections of rubbing images are already digitized and indexed for consulting, exchange and distant access purposes which protect them from direct manipulation....

The yield stress is a key rheological parameter of thick paste and critical design parameter of the high pressure pipeline system. Take coal slurry as an example, whether using vane method or curve extension method, the yield stress both exponentially increase with concentration increasing, but the data...

The development of construction technology today, allowing construction of high-rise building that has 20 floors or more simply the floor 5-7 cycles /day, so the time of completion of construction of the building quickly. The implication aspects of cost control, quality, time should be more strict and...

Lots of built or building dams, especially the high arch dam, located in the Southwest China with abundant hydro-power resources. Most of these dams have the characteristics of “High head, Large discharge and Narrow river valley”, therefore, the security researches of energy dissipation were always...

Non-steel-cell joint section is a common way to connect the steel beam and the concrete beam in steel-concrete hybrid girder bridge, and the PBL connector with large rigidity is usually adopted in non-steel-cell joint section. Shear resistance of PBL connector determines the success of joint force transmission....

Diamond coated tools of cemented carbide substrate with high Co content are extremely useful for machining difficult-to-cut materials. However, it is very difficult to deposit a well-adherent diamond coating on WC-Co with high Co content because of the strong catalytic effect of Co. In this work, a new...

In order to solve critical process parameters characterize aluminum grating is proposed to optimize the impact of stress calculation values are based on a nano-indentation experiment - Method strain relationship parameters. By establishing numerical approximation model to fit the experimental data of...

In this study, six highly intelligent reinforced cement mortar (HIRC) test specimens were fabricated by reinforcing the cement mortar with garnet, fiber (nylon and polypropylene), and shape memory alloy (SMA). The objective was to examine the effects of the number and position of the reinforcements on...

The fault of AC bus in HV (high-voltage) AC-DC hybrid system can cause consequential commutation failure in converter station, and it affect the correct operation of the current stability control device. The mechanism of phase commutation failure is explained in the paper, and the variation of each electrical...

The properties of La0.5-xNdxBa0.5CoO3 (0≤ x ≤0.425) has been investigated. All samples show a cubic structure at room temperature. The Curie temperature TC and the estimated molecular magnetic moment of the samples at 5K decrease monotonically with increasing Nd-doping level. The results are discussed...

Based on analysis of hydrocarbon resource potential, geological structure aspects and results of geological survey in the North-Caucasus oil-bearing province, first-priority directions and targets of geological exploration works are suggested in order to accelerate the preparation of discovered hydrocarbon...

The pneumatic part of the lamination machine is presented in the paper. The type of cylinder is introduced. The parameters of pneumatic device are designed. The parameter design of the pneumatic device of the box cover, the design of the parameters of the lifting pneumatic device for the cylinder, and...

The solution of modern transport planning problems, aimed at improving the quality of transport service for all the users of the city's transport infrastructure, requires application of modeling tools to describe components of urban areas, transport infrastructure and transport behavior. The IrNITU NI...

Osmophilic yeasts was second generation to increase of the bioethanol production. The yeasts were isolated from the high sugar ontain material like honey, juice or by-product materials such as molasses. Bioethanol was usually produced from sugarcane molasses at brix degree of 14%. The aim of the research...

In the Northern Trans-Ural region ticks are dangerous to animals as carriers and reservoirs of viruses and parasitic diseases. New compositions with prominent acaricidal qualities, the majority of which belong to the group of synthetic pyrethroids, are being constantly created against ticks. In the search...

In order to construct and promote the intelligent grid demonstration community project, this paper presents two typical modes of networking for Advanced Metering Infrastructure (AMI). Firstly, two typical communities are analyzed. Secondly, two typical modes of networking are studied and compared. At...

Because the process control laboratory supporting software only provides the conventional PID algorithm, the paper combines with advanced control algorithm---genetic algorithm to design process control experiment. This paper emphasizes on using kingview language to realize the selection and reproduction,...

In this paper, a novel prewitt edges operator information in spatial domain is employed as one type of feature to motivate pulse coupled neural networks (PCNN) is proposed, according to humans are often sensitive to edges and directional features. Furthermore, blocked edges information measurement is...

In this article, the acid-base properties of porous concrete leaching solution were studied, The pH value of the porous concrete soaking solution was measured by the method of continuous soaking and repeated soaking, at the same time, the pH value of leaching solution and the ex-situ leaching method...

In order to make clear influencing factors of the expressway initial price based on PPP model, according to different concession price impact mechanism, three first level factors are figured out by the use of literature review and systematic analysis, including overall environment, core participants...

Medical images are generally noisy due to the physical mechanisms of the acquisition process. Image enhancement is a technique which reduces noise, removesartifacts, and preserves details in the image. Its purpose is to amplify certain image features for analysis, diagnosis, and display. In this paper,...

Cocoa pod borer (Conopomorpha cramerella L.) is a major pest of cocoa, including in Southeast Sulawesi and is able to reduce yields up to 90%, especially in the dry season. So far, farmers control these pests through the application of chemicals with high doses so that it has a negative impact on the...

Monitoring of environmental pollution level on campus is very important to do. According to UI Green Metric 2018 data, there are 719 campuses to participate in the developing of green campus and issues of sustainability. One of assessment is implementation of smart system to solve environmental problems...

This study aims to analyze the influence of frozen soil layer on the seismic performance of pile foundation with low aspect ratio pier in seasonal frozen soil region by numerical simulation analysis method. A comparative analysis is conducted on the seismic performance of pile foundation with low aspect...

In response to the problems of numerous wet operations, low assembly efficiency, and imperfect design specifications of traditional prefabricated floor slabs, a total-prefabricated steel floor slab was proposed. The floor slabs with various stiffeners were selected on the basis of the load-bearing capacity....

Intersections are public areas where two or more road lanes cross and may experience disagreements or conflicts. Based on observations, the W. Monginsidi street - Tg Manimbaya street intersection is one of the unsignalized intersections that often experiences conflicts when vehicles turn, especially...

This study addresses the water quality issues in Semaja Village, where surface river water, the main source, becomes highly turbid during the rainy season. Managed by the “Pancoran Sari” group, the existing water supply system lacks thorough water quality testing, raising health concerns. To improve...

This study examines the critical role of financial solutions within the supply chains of Chinese multinational engineering projects, with a focus on their pursuit of high-quality development. It explores the concept and evolution of supply chain finance in the context of China’s international ventures,...

The integration of renewable energy sources for Electric Vehicle (EV) charging presents significant challenges, including energy intermittency, voltage fluctuations, and the need for efficient power management. Current electric vehicle (EV) charging systems often face challenges in maximizing charging...

In construction design, several soil parameters are needed, especially the value of unconfined compressive strength. The value of unconfined compressive strength aims to determine the strength of soil when it receives pressure. The test that is often used is Unconfined Compressive Strength (UCS) which...

This study employed CG-T2 ionic curing agent and basalt fibre to modify cement-soil, investigating their respective effects on the performance changes of cement-soil during long-term erosion in salt solutions of varying concentrations. Results indicate that the ionic curing agent enhances cement-soil...

Implementing and promoting the governance and protection of the Yangtze River has been a major task for the Yangtze River water conservancy efforts. As an important barrier safeguarding the economic belt along the river, monitoring the mechanical properties and deformation of the embankment project is...

Premier Keqiang Li raised "Internet +" and development concept of "all people entrepreneur and people innovate" during the 2th sessions of 2015 , colleges and universities should enter" Internet +" education mode, talent training mode ushered in new opportunities for development, which is going to change...

LiNi1/3Co1/3Mn1/3O2/C composite material was prepared by a rheological phase reaction method and successive annealing procedure. In the synthesis procedure, citric acid was selected as carbon source. The electrochemical tests showed that the LiNi1/3Co1/3Mn1/3O2/C could greatly improve the discharge capacity,...

The stress distribution of artificial cartilage and host cartilage after repairing defect by tissue engineering was researched through finite element method under rolling compression loads. Taking knee articular cartilage as the research object, we established a three-dimensional finite element model...

The intelligent navigation mode based on GIS technology uses the visualization positioning technology to locate the specific collection information of the literature to each layer of the bookshelf, and to display the information of the library by the way of the GIS . The readers do not need to master...

With development of logistics and ports, port throughput of bulk cargo has been increasing. In the port, the bulk cargo conveying system plays a very important part. The transfer station is critical for bulk cargo distributing and the hopper is an important part in the transfer station. In this paper,...

Internet industry in today's development is still in the process of growth, so some of the implicit security and privacy issues need to be resolved, such as technical security is one of the biggest problems. This article from the Internet of things security and privacy significance of the distinction...

Halogen-free flame retarded expanded polystyrene (EPS) foams were prepared in this work. The effect of two kinds of aluminum phosphinates, i.e. diethyl aluminum phosphinate (DEAP) and diisobutyl aluminum phosphinate (DIAP), and their combination with expandable graphite (EG) on mechanical, flame retardant...

With the development of economic, the association between different industries is becoming increasingly closer. Technical progress and technical alternative also become more and more frequently. At the same time, the impacts of environmental factors on the economic resources have become increasingly...

In a complex high-rise concrete structure design, concrete frame column may become short column.The stiffness of reinforced concrete short column is larger than ordinary concrete column. Under earthquake excitation,the short column shares more earthquake action, and its deformation capacity and energy...

In recent years, with the development of key components of optical communications, wireless optical communication technology is developing rapidly, and gets a lot of attention and research. Wireless optical communication technology is superior to traditional radio communications technology, in that it...

Nowadays, with the rapid development of network technology and computer technology, the research of network virtual optical laboratory has become a key development project in the field of relevant teaching and research. Through the network virtual optical laboratory, the real laboratory’s effect can...

In coal exploration, seismic strong reflections from overlying strata may shield the propagation of seismic waves into deep parts, resulting in poor imaging quality for deep targeted area. In fact, seismic wave energy will be lost and velocities will undergo dispersion after passing through viscoelastic...