Advances in Engineering Research

The rapid development of construction project activities, especially building construction projects, is in line with the increase in the incidence of accidents and work-related illnesses. This can be seen from the increasing number of employment insurance claims for both health and death. One of the...

The Buffer Zone, also known as the green belt, is an open space surrounding the aircraft runaway line without buildings and activities. Despite its intended purpose, this zone is often utilized for agricultural activities. However, the presence of aircraft movement and emission pollutants, reaching up...

Aiming at the detection problem of floor mining failure zone after mining, in order to grasp the failure law of floor strata caused by mining and ensure the safe mining on confined water, in this paper, the methods of the theoretical prediction and FLAC3D numerical simulation was adopted to study floor...

Based on the theory of EKC curve, industrial waste water, industrial waste gas emissions (take SO2 as a representative) and industrial solid waste are selected as the environmental indicators. GDP per capita is used as economic indicators. According to the Huaihe River in five provinces in 2004-2014...

The application of the smart shelves is the comprehensive application of RFID technology. The library of ultra-high frequency RFID technology is a set of high-performance real-time management system. This paper discusses the purpose, working principle, system function and use method of intelligent frame...

This paper investigated Nano-gold catalyst prepared by solution reduction method. TEM, XRD, AAS and XPS were employed to investigate the morphology, composition, dispersity and catalytic properties of the catalyst. The results indicated that Nano-scale metallic state gold was highly dispersed on the...

The effect of detergents on the quality of fresh-cut mint was evaluated. The acidic electrolyzed water and sodium hypochlorite extended the shelf life of the fresh-cut mint to 12 d and maintained its flavor. The Sodium hypochlorite treatments avoid the loss of the greenness of the mint. Hence, the sodium...

Although research on urban green space system has grown steadily, little research has focused on the urban green space system planning of small cities in mountains regions. The planning and management of urban green space system of small cities in mountains regions is very important to the well-being...

Crashworthiness design draws considerable attention and interest in energy absorption systems. An optimal design of circular stepped tubes based on free inversion is presented in the current work to improve and enhance the crashworthiness characteristics under axial impact loading. Circular tubes have...

To meet the demand for the geotechnical information system management, this paper has put forward a plan to develop the management information system by using GIS and commercial database management technology. It has also described and analyzed the development of the function modules of the system and...

Full waveform inversion (FWI) is an effective inversion method to obtain high resolution and precision seismic imaging. There are a lot of conventional local optimization methods, such as Newton's method and gradient method, to solve the ill-posed nonlinear problem. However, these methods always lead...

In view of the deficiency of current rural housing wallboard and precast sandwich wall panels , In this paper, a new type of structure thermal insulation integrated exterior wall board is designed and optimized. The cement polystyrene particles are used as the basal insulation layer of the prefabricated...

DM (diabetes mellitus) is a chronic disease caused by the body's inability to produce insulin, or by the ineffective use of the insulin produced, and it has become one of the most important non-infective diseases that threaten the public health all over the world. How to cure and manage diabetes scientifically...

In the physical design of integrated circuits, the traditional clock tree synthesis is difficult to meet the timing convergence requirements at high frequency. This paper takes a data processing chip design based on TSMC 65nm 1P8M process as an example, proposes a clock tree synthesis method combining...

PM2.5 have got people's attention nowadays, people’s concentration about air quality have reached a very high level. In this paper ,we take Jiangsu Province for an example.Selecting the PM2.5 data and economic indicators for each city in a time period to analyze the relation between PM2.5 and GDP ,industrial...

To figure out the needs of senior citizens and build up a good environment is the central issue. An aging population has become one of the most serious issues in today’s society and the pension industry is gradually developing to meet the demand, starting from the perspective of a market economy. Many...

This research evaluates the behaviour of Portland cement-based mortars with additives that act as cementing materials. These additions are silica rich materials used as substitutes for PC (Portland cement type IV ASTM) in the preparation of mortars, as an alternative to reduce the amount of cement, reusing...

Frame structure consists of frame columns, frame beams, etc. The longitudinal stiffness of frame structure is obviously better than lateral stiffness of frame structure. Lateral stiffness and internal stress response of lateral frame should be mainly considered, when frame structure is calculated and...

The usage rate of sucker rod centralizer more and more broad with the development of a sucker rod pump , adding sucker rod centralizer is very effective to reduce the impact of rod and tubing wear, increase the sucker rod and tubing service life, reduce the frequency of maintenance and the production...

Many engineering devices need a platform with high level and position accuracy. An automatic control system is proposed to adjust a small platform that is supported by four height-adjustable legs and two length-adjustable level screws. The control system scheme and working principle are analyzed, then...

This paper has presented secondary determination of image edge based on fuzzy classification theory and pixel directivity, as well as real edge sharpening. Experiment show the algorithm can detect fuzzy image edge effectively with strong anti-noise ability, and the edge is obviously thinned.

The ZnO nanorod films were synthesized using zinc acetate-sodium hydroxide aqueous solutions under different synthesis conditions. The effect of synthesis conditions on structural properties and morphology of ZnO films was investigated using field emission scanning electron microscopy and X-ray diffraction....

Design and preparation of novel cross-linked polyvinyl alcohol extra permeable foam (cPVAEPF) dressings for negative pressure wound therapy(NPWT) was studied. A series of cross-linked polyvinyl alcohol extra permeable foam (cPVAEPF) dressings with different macroporosities in the range of 700 µm~920...

An evaluation method of vehicle performance based on set pair analysis was proposed. The evaluating index system of vehicle performance was constructed by setting five first-level evaluation indexes and thirteen second-level evaluation indexes. The evaluation models were constructed by using four-element...

Animal’s teeth may have certain kinds of lesion during their growth and development, the result of which is a variety of dental diseases. Based on this situation, the writer has managed to investigate on the district center for disease control, which included 126 oral health care cases in animals. Through...

The equipment mainly includes isolating switch, circuit breaker, conductor, insulator, arrester and measurement and control protection device. According to the survey, there were 180 failures in 2017, and the failure rate of the high voltage isolation switch was 10. 53%. In order to improve the power...

Dynamic characteristics of the hydraulic arm affects the mobile coal sampling robot’s accuracy and efficiency. The complex and varied working conditions put many high requirements on the stability of the hydraulic arm. This paper took the hydraulic arm of the MCYY2000 mobile coal sampling robot as the...

The article presents the method and results of modeling of electromagnetic safety conditions in traction networks on railway sections passing through engineering structures: galleries, bridges, tunnels. Metal structures of engineering structures significantly change spatial distribution of electromagnetic...

Workflow system is the best choice for projects with complex business logic, and cloud workflow technology has emerged because many applications need to join large data processing. This paper first introduces the workflow and MapReduce technology briefly, and then proposes to use agent mode to solve...

Porous Ag3PO4 nanoparticles were synthesized via polystyrene (PS)templates assisted method in the aqueous solution. The crystal structure, composition, physical property and morphologic properties of the synthesized PNPs were characterized by XRD, FT-IR,N2 adsorption-desorption and SEM. Under visible...

Improve the accuracy of ignition calculate simulation through dynamic thickening of the of flame front in order to achieve Large Eddy Simulation (LES) solution scales. Taking the WALL model which takes the sticky near the wall into account as the sub-grid turbulence model, simulating the process of energy...

Urban road traffic signs and markings is the most effective methods and means for the implementation of road traffic control, it Is a facility for managing and controlling traffic to traffic participants by graphical symbols, colors, and text[1].Although Chinese national stands like GB5768ð2009 Road...

Geometric modeling based on physical environment of the objects has been emerging as a powerful modeling technique and started to gain popularity for surface modeling and design. These methods usually allow the geometric objects to be defined and governed by a set of differential equations. In this paper,...

The compressive strength and hydration process of cement-based materials containing with carbon nanotubes (CNTs) were investigated in this paper. The experimental results showed that the compressive strength of QC-CNT group under standard curing and dry-wet cycles was higher than that of Control group...

Cocoa bean shell was utilized to develop a paper-based food packaging material. This cocoa bean shell paper was foldable and relatively strong. The papers also had antimicrobial and antioxidant properties that made these papers potential materials for active packaging. However, the papers were highly...

The study was conducted to find out the effect of OPPEMEI model on creative thinking skill and cognitive learning achievement and their correlation in the third semester students of the Elementary School Education Department, Faculty of Education Science of Universitas Pendidikan Ganesha. This study...

In Pakistan, the construction and demolition (C&D) sector produces a significant number of concrete debris, creating logistical and environmental issues. The feasibility and possible advantages of using recycled C&D concrete debris as an alternative aggregate in the creation of structural concrete...

The main problem in the use of speedboat river vessels is the carbon monoxide (CO) exhaust emissions produced by the speedboat river vessels. This can have an impact on air pollution or pollution on speedboat river vessel passengers. So that passengers can get Acute Respiratory Tract Infection (ARI)....

This paper present the result of simulation longitudinal stability on STTA-12 MXA aircraft. This aircraft is included in the utility aircraft category with 1 propeller engine and 2 seats. The longitudinal response mode has been determined. The Datcom program is used to estimate the parameters in the...

Due to the complexity of crosswind loads, only a few national codes/standards in the world provide calculation formulas. The high frequency force balance (HFFB) technique was used to get the across-wind base moment coefficients and power spectra by assessing the rigid models of 71 typical rectangular...

The rapid growth of urban populations presents significant challenges to sustainable food production, primarily due to land scarcity and increasing demand for fresh produce. Aquaponics, an integrated system combining aquaculture and hydroponics, offers a promising solution by enabling efficient food...

Technological advancements have driven the construction sector to adopt the latest methodologies to enhance work efficiency. Advanced Work Packaging (AWP) is a methodology for creating Work Packages that involves the construction phase during the early preparation stages. AWP is crucial in ensuring that...

The purpose of this research is to design a tourism support boat in Siak Regency where the ship will be designed in the form of the royal ship of the sultan Syarif Kasim, as comfortable as possible to influence the emotional of the passengers on the ship, so that it can help them to enjoy the atmosphere...

Bandung City is the main choice location for developers to build housing in the West Java region. Formal housing development is growing rapidly and the impact of the property sector is the backbone of the economy. One of the policies taken by the Bandung City Government is to encourage the provision...

VANETs, as a particular form of MANETs in which trajectory is restricted by the road and the capacity is not considered, will play the extremely vital role in next generation ITS architecture. Among various services provided by VANET, it's a milestone to reach the guaranteed delivery of urgent safety...

K nearest neighbor (KNN) algorithm has been widely used as a simple and effective classification algorithm. The traditional KNN classification algorithm will find k nearest neighbors, it is necessary to calculate the distance from the test sample to all training samples. When the training sample data...

With the combination of the visual perception experience and the qualification of NCS color system, a study on color matching of facade of residential buildings in Harbin is made. Analyzing the frequency of occurrence of blackness, chromaticness and hue collected on the residential facade, there appears...

The article deals with the solution of the problem of bending of a hinged multilayer beam under the normal uniformly distributed load and induced axial forces. The interaction between layers is accomplished by the contact layer in which the substances of adhesive and substrate are mixed. We will consider...

The thermostability of Cu(II)-1,10-phenanthroline complexes was studied by the thermogravimetric analysis, and their catalytic properties were evaluated in oxidative carbonylation of methanol to dimethyl carbonate. It was found that the copper coordination environments and the thermostability of the...

Most colleges and universities have established an open lab, but there are two major problems, one is uncertain identity into the laboratory personnel, and the other is the safety of laboratory instruments. Using RFID and Zigbee technology, this paper gives the design of laboratory instruments management...

Taking lining structure crack diseases on one line of Beijing subway as the research object, using indoor model test method to studying lining structure damage rule and crack maintenance effect. Through experiment, it was concluded the main conclusions as follows: Through the contrast test could be obtained...

Using MODIS thermal infrared data of satellite and geostationary satellite thermal infrared brightness temperature data for Wen ' an 5.1 earthquake in Hebei province during 2006, the temporal and spatial characteristics of the earthquake were systematically calculated and analysed. Studies show that...

The assessment of climate change due to global warming is a worldwide public concern. The impact of climate change on water resources is worth exploring for understanding the interaction between the climate and water resources and for decision-making in water resources management. In this study, a new...

The inverters consisted of Power Electronic Devices are widely used in dredger, which makes Dredger Power System lots of Upper Harmonic. In order to achieve precise harmonic monitoring of cutter suction dredger power system, the paper proposes a power harmonic monitoring system based on Robust Kalman...

In this paper, we researched the influence of tensile rate on the tensile fracture process of PA6. The results showed that with the increase of tensile rate, the yield strength of PA6 was on the rise, and the elongation at break was on the decline. The elongation at break declined sharply when the tensile...

Well dispersed MnO2 micro-flowers were grown directly on carbon nanofibers via a simple hydrothermal technique without any template. Structure and morphology were characterized by X-ray diffraction (XRD) and field-emission scanning electron microscopy (FESEM) equipped with rapid EDX (energy dispersive...

In order to improve the processing properties of starch, maleic anhydride grafted starch prepared by solution polymerization,With starch and maleic anhydride as raw materials. The structure of the material have been characterized by Fourier transform infrared spectrum(FTIR) and scanning electron microscopy...

In connection with the increasing number of facades additionally equipped with contact thermally insulated system the number of cases in which facades are depreciated with microbiological vegetation has raised. The vegetation of microscopic algae, fungi and blue-green algae on the outer surface of perimeter...

To improve the impact toughness of the perforating gun pipe, subcritical quenching processes were designed and the influences of process parameters and the initial heat treatments on the mechanical properties of the steel were investigated. The results show that the hardness of the steel with an initial...

Forest was source of biodiversity. Forest conversioninto plantation area causes disruption to existence of soil mesofauna such as Collembola and Acarina. Soil mesofauna have a role to decomposition of organic matters in soil. Purpose of this research is to know the diversity of soil mesofauna and relation...

Target seeker is a key component of missile, whose tracking performance in real guidance phases can be guaranteed by performance testing in its design stage. Generally, multi-sets of equipment are used in conventional testing method, which takes on some disadvantages of sophisticated operation and low...

This paper presents a broad overview of the various sensor placement strategies to diagnose discrete-part manufacturing system. Due to the technical complexity, the performance of sensor system would be cursed by any modules of sensor placement strategies. Therefore, the current state of the sensor placement...

The tasks of structural synthesis and circuitry analysis of static converters are always fraught with difficulties in solving, because they contain elements with non-linear voltampere characteristics and allow a huge number of alternatives fixed relationships combinations (topological structures) between...

A new method for treating U-containing wastewater and recovering of uranium simultaneously by electro-deposition was proposed. The complexity of adsorbent preparation and difficulty in uranium recovery that existed in traditional adsorption method are solved by electro-deposition approach. The iron and...

Facing massive house rental information, the tenants consider many factors. Usually, it is difficult for them to make an optimal strategy. Considering the large amount of storage, fast computing and other characteristics, if introducing computer technology to assist in generating and evaluating strategies,...

Under the background of the current frequent emergencies, the problem of the processed grain emergency storage has the practical significance and theoretical value. This paper considers the facility location efficiency for processed grain emergency storage and coverage radius demands satisfaction differences,...

Aiming at the low efficiency and imperfect management system of urban parking system in China, a new urban intelligent parking system based on Internet of Things is designed. The system will be radio frequency identification technology, wireless sensor network detection technology and information processing...

Writing fluidity is one of the most important quality inspection items in the ball-pen production. In order to realize the automatic inspection of ball-pen writing path quality, this paper developed the methods of threshold segmentation and morphology in image processing by Halcon and Visual Studio....

The development of the Industrial Revolution 4.0 has brought about a shift from traditional to digital work in various industries, including automotive. This article discusses the impact of digital transformation on operations in the automotive industry, particularly in terms of maintenance. To keep...

In 2021, Sriwijaya State Polytechnic began using pre-cast technology to reduce the costs of construction, especially for affordable housing. The next phase of this initiative involves the development of materials for the components/items that make up puzzle houses. The puzzle house component being developed...

Both the increasing human population and energy consumption are the main factors which cause energy crises. In this situation, we need new alternative energy source. DSSC (Dye Sensitized Solar Cells) has great potential to develop because the dye as a light catcher can be directly applied in daily life....

Swarm intelligence (SI), a nature-inspired distributed computational approach, has emerged as a promising solution within the domain of cooperative driving. This research paper investigates the theoretical foundations and practical implementations of classical swarm intelligence algorithms, focusing...

Intersection is a very important part of the road system. It is the concentrated part of all kinds of road traffic and one of the places where accidents are most likely to occur. Therefore, the design and management of intersection is very important for urban traffic flow and safety. By combining VISSIM...

Gas turbine thermal efficiency degradation presents significant operational challenges, with uncertainty persisting regarding the relative contributions of underlying machine health versus compressor washing maintenance to performance recovery. This study specifically aimed to identify the dominant factor...

Use of wasteglass as a partial replacement to cement in concrete has potentially a significant potential in materials innovation to produce a sustainable infrastruct system that is not only environmentally friendly but also energy and cost efficient. This research shows how it is effective using waste...

The purpose of this study was to obtain a visual thinking profile of deaf students in counting. The research method used is qualitative research. The research subjects were students of SLBN Karangrejo Wungu Madiun. Data were collected through a task-based interviews in a semi-structured manner. Time...

The development of a new technology shifts conventional shopping behaviours from offline shopping to online shopping. The rise of e-commerce market and effect of the COVID-19 pandemic accelerate an expansion of e-commerce integration, this condition provided customers with access to variety of product...

This study aims to analyze the relationship between variables that affect the smooth supply chain of heavy equipment in road construction projects in Aceh Besar District. Common problems in heavy equipment distribution are often caused by a lack of coordination between the parties involved, as well as...

The Savonius turbine has advantages, including a simple design, unfettered incoming wind direction, can spin at low wind speeds, and start rotation without additional equipment. However, this turbine design has low efficiency, so many researchers have tried to improve it. The primary research in this...

The synthesis of Agentic AI, Retrieval-Augmented Generation (RAG), and Knowledge Graphs, is a paradigm shift in e-commerce systems of enterprises. The current paper suggests KG-RAG-Agent, a new framework that is based on the combination of autonomous AI agents with graph-enhanced retrieval methods and...

A series of nanostructured Zn2GeO4 were prepared in a low temperature solvothermal process and characterized with transmission electron microscopy and X-ray diffraction. Then, the formation mechanism of nanostructured Zn2GeO4 was discussed. At last, their electrochemical behavior was investigated. The...

Low power spy type wireless GPS tracking terminal is a positioning device which can receive space GPS signal by the host tracker, through GPS signal analysis, their own geodetic coordinate can be calculated, then the device will report its positioning information to monitoring center by GPRS wireless...

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....