Advances in Engineering Research

Through a common actual example, a new structure named protection type with twin cavities in a die for the semi-hollow Al-profiles was present. And the selection and the optimization of structure parameters were described in detail. the layout of die holes, the design of the portholes, the structure...

Isolated DC/DC converters have the disadvantage of inefficiency, instability, magnetic bias and shoot-through problems, etc. They also influence the other electrical devices severely in the same power network. Therefore, a novel photovoltaic off-grid inverter based on the boost converter is designed...

Delftia acidovorans SPH-1 is a beta-Proteobacterium that degrades a number of organic compounds. Genomic islands play the important role in horizontal gene transfer. Two prophage-related genomic islands (GIs), SPHGIGly-CCC-1 and SPHGIGly-CCC-2, were determined and are integrated into 5’ and 3’ end of...

With the development of the economy, environmental pollution has become the focus of people's attention. The treatment of environmental pollution, especially the governance of the rural environment, has become an urgent problem. Based on the viewpoints and methods of system theory, this paper proposes:...

In batch hot-dip galvanizing, 0.2-0.3 wt% chromic anhydride solution is traditionally used as awater-cooling medium to prevent white rust. It generates a lot of chromium acid mist and wastewater, both of which are very harmful to humans and the environment. In our study, an environmental-friendly passivation...

A target reflectance feature automatic measurement system used for automatic radiometric calibration of satellite remote sensing payload is described in this paper. The system utilized techniques such as RS485 multi-host structure, wireless communication, and PLC. It can be used in multi-site automatic...

The pyrolysis gasification treatment in the paper is the new direction of municipal solid waste disposal by comparing waste incineration, composting and sanitary landfill treatment technology. The principle and classification of pyrolysis gasification technology are described in detail. The research...

At present,the enterprise network management system presents the network connections between nodes in the form of network topology,so that the network topology can be visualized.However,the enterprise network itself is complex.With the increase of enterprise business,the number of network nodes increases,resulting...

Motorcycles as a mode of transportation its use continues to increase in the Surabaya City. One of the negative impacts is motorcycle accidents to increase. Based on IRSMS data are the involvement of motorcycles in the accidents of 82.6% (2,490 motorcycle accidents out of 3,014 accidents in Surabaya...

Based on the theory of finite element dynamics, the dynamic performance of the power regulator inverter is studied in this paper. The vibration simulation model of the inverter is established. According to the national standard for vibration environment, the vibration load is applied to the model, and...

This paper analyzes the optimal path problem of AGV for smart factories, and propose a hybrid algorithm combining genetic algorithm and simulated annealing algorithm. The objective function model is established according to the target optimization, the improved genetic algorithm and simulated annealing...

The article reviews the technical applicability of various physio-chemical treatments for the removal of hexavalent chromium (Cr(VI)) from aqueous solution. A particular focus is given to membrane electrolysis, photocatalytic reduction, adsorption and the application of nanotechnology in Cr(VI) removal....

Aiming at slow convergence and low precision optimization in iterative learning control, a niche shuffled frog leaping algorithm was proposed in this paper, which combined memes algorithm and particle swarm algorithm, using the niche shuffled frog leaping algorithm based on the restrictive competition,...

With the rapid development of high-speed signal processing devices, the algorithm with large amounts of data can be implemented in real-time. This paper proposes a kind of signal processing system based on five pieces of multi-core DSP. Firstly, the interface circuit and program between FPGA and DSP,...

The forests in Yunnan province are dense and precious. Meanwhile, the forests fire happens frequently. There are ten models generated with two modeling methods in the study area, Yunnan province. In this paper, the spatial autocorrelation method was applied to analyze and evaluate the performance of...

Fiber reinforced polymers (FRP) have been widely used in retrofitting or strengthening concrete structures in recent years. This is due to the various advantages of FRP composites, including high strength-weight ratio, high tensile modulus, superior corrosion resistance and ease of applying in strengthening...

Ecological architecture is an architectural concept that emphasizes harmony between the artificial environment and the surrounding natural conditions. The application of this concept is needed now, with a decrease in environmental quality, which is characterized by a lot of environmental damage caused...

Based on the existing wireless sensor network DV-Hop algorithm and its improvement ideas, inheriting the advantages of various thinking algorithms, and combining with the low energy consumption requirements of wireless sensor networks, this paper proposes an energy-saving and high-precision DV-Hop positioning...

AC8A aluminum is a silicon aluminum alloy which has a Si level between 11-13% wt, the material commonly used to make pistons. There is also the weakness of a piston with a high silicon content, which is brittle or brittle along with the increase in silicon content so that a rough and large primary silicon...

Energy needs are always increasing in various sectors of life. Indonesia, which is below the equator, has extraordinary advantages, one of which is its high potential for solar energy. With high sun exposure throughout the year, Indonesia has the potential to use it to generate electrical energy. One...

In modern realities, ensuring a reliable power supply is an economic challenge. The problem of deterioration of the power grid infrastructure is acute in the Russian Federation. It is proposed to take into account the importance score of electricity consumers when planning repair and modernization activities,...

Weather stations are built to collect quantitative data on the weather conditions of a place. Monitoring the weather conditions in the current environment is considered to be very important because the erratic weather changes every day. This study tried to create a weather station that can be accessed...

This project introduces an innovative real-time vision-based system designed to recognize finger spelling and interpret sign language for readabil- ity in text. Leveraging advanced computer vision and NLP techniques, the meth- odology employs a two-layer prediction algorithm built on Convolutional Neural...

The human body is an intricate framework coordinated at different levels, cells, tissues, and organs that contribute to 11 major organ frameworks. The functioning of such a complicated system in the proper manner is assessed as healthy. Conventional medicine cannot meet everyone’s needs due to population...

In today’s digital era of rapid development of science and technology, 3d printing technology is undoubtedly the best for its superior production efficiency compared with those traditional manufacturing methods such as lathing, planning, milling, grinding, which has been widely used across various industries,...

To enhance the water solubility and stability of curcumin and to enhance its antibacterial efficacy, this study prepared curcumin liposomes using hydrogenated lecithin as the primary material and Tween 80 for surface modification. The preparation process employed thin film dispersion and high-pressure...

This paper explores the research progress in advanced lithography techniques for semiconductor manufacturing. As integrated circuit (IC) process nodes advance, traditional optical lithography faces dual challenges of resolution limitations and rising costs. To address these challenges, advanced lithography...

Based on remote sensing images of Xiangxi Tujia and Miao Autonomous Prefecture in China, combining with field survey, socio-economic data, and the current situation of the unique ecological environment, an ecological sensitivity evaluation index system was established. With the utilization of analytic...

This paper analyzes the synthetic microanalytic approach (SMA) and its principles in the systematics field, ap-plies those principles to military requirements development, and proposes a method of military requirements development based on synthetic microanalytic approach (MRDSMA). The development methods...

Hydrostatic guideway is the key component of heavy-duty CNC machine tool feed system. The working performance of the hydrostatic guideway have great influence to the accuracy of machine tool. In order to analysis the performance of the oil pad, a calculation method based on Reynolds equation and the...

Network music is an important form that people listen to music now, in PC desktop system, browser with HTML5 and the multimedia plugin can imply very good online selection ways and listen to the program with beautify pages, but in the set-top box system, it is extremely different. In this paper, we use...

With the rapid development of Internet and electronic commerce, Internet spammers as well as their false transactions and comments frequently occur in the public media, which has become a major obstacle to the development of Chinese electronic commerce. In this paper, the author analyzes the current...

This paper constructs the technology transfer index system of Shaanxi Province, and then establishes vector autoregression between the comprehensive index of technology transfer and the index of the equipment manufacturing industrial structure, finally this paper analyzes the results by combining variance...

The purpose of this research is to assess the fatigue crack growth life of the screw blade in the screw sand washing machine. The fatigue crack growth life of the screw blade is assessed on the basis of the random load with the Gauss distribution, curve, linear elastic fracture mechanics, and Austen...

The red clay has high moisture content,high plasticity,high void ratio and other special engineering properties,especially when the subgrade surface dehydrates,it shrinks and cracks,caused the subgrade to have some diseases.Taking the subgrade filling from the Liupanshui inner Expressway as the research...

matrix characteristic value and are widely used in many fields, this paper mainly studies the the application of two aspects: the first is applied in solving problems for first order linear differential equations. The second is in the recursive relationship in the application.

To study the confinement mechanism of L-shaped concrete columns confined by stirrups under axial repeated loads, based on the experiments the finite element analysis of five columns was carried out by ANSYS software. The results show that the calculation results of the peak load, peak displacement and...

The purpose of this paper is to design a direct down-conversion system using sub-harmonic mixer with microstrip lines, it is also called a zero intermediate frequency system. By utilizing the direct conversion configuration, it can not only avoid to use an additional voltage controlled oscillator and...

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

The nature of the hydraulic power cylinder seal assembly operation with high working fluid pressure, different geometrical parameters of lip-type seal, is revealed. The method of hermetic sealing process modeling according to the simplified model using finite element method is considered

A novel tyrosinase (Tyr) biosensor based on liposome bioreactor and chitosan (CS) nano-composite has been developed for the detection of phenolic compounds. The encapsulation efficiency and drug loading content of the Tyr-loaded Liposome-based bioreactors were about 46.35± 0.85% and 41.15±0.95%, respectively....

To study the seismic performance of a souring sluice, a 3D finite element model was established by considering the foundation characters. Mode-superposition response spectrum method was used to precede the seismic calculation. It is concluded that the seismic performance can satisfy the specification....

Now a large number of expressway enter the stage of repair and maintenance. But it`s easy to overlook the pavement`s performance, especially the skid resistance of the interchange at ramp exit and entrance during the repair and maintenance Interchange ramp exit and entrance has always been the accident-prone...

Based on the value-added data of agricultural sub-sectors from 2011 to 2014, this paper utilizes spatial statistical analysis methods to study the spatial distribution characteristics, spatial correlations as well as the difference degrees of agricultural sub-sector value-added growth rates for cities...

Zstack is an industry-leading ZigBee protocol stack launched by TI company, it includes protocol stack that covers almost all of the features of mesh and network topology, and occupies a very important position in the fierce competitive zigbee field. This paper describes software framework of Zstack...

The phase transition behavior of PBA films under CCl3 vapor at different temperatures was investigated by atomic force microscope (AFM). The height and phase images indicate CCl3 vapor will induce single crystals grow on the surface of PBA film. The vapor induced newly formed PBA single crystal could...

A new method is presented to determine the fitting direction while using Dr. Bridge’s linear editor to model various parabolas in this paper. By considering convex-concave property at monotone interval, parabolas' different shapes are determined. Based on the method, two set of symbols are introduced...

The freshness of shrimp is the main priority for consumers. Nutrition and taste of seafood are directly proportional to its freshness. After seafood spoil, the anaerobic metabolism will produce ammonia compounds. In this article, the senduduk (Melastoma malabathricum L.) extract is used to monitor shrimp...

A elastic-plastic analysis of AlN/Cu jointing plate was performed by FEM to study the residual stress produced in the jointing-cooling process. This residual stress due to the difference of thermal expansion coefficient between ceramics and metal was analyzed, considering the presence of initial defects...

In order to improve the forecasting accuracy and reliability of wind power, the precise prediction of wind speed plays a more and more important role. Thus, the ultra-short-term prediction of wind speed and its uncertainty analysis are studied in the paper. Firstly, based on the daily time series of...

This work presents an overview of research results in magnetic and magnetostrictive properties of rare earths-based intermetallic compounds conducted by Russian and foreign researchers. A special attention is paid to multicomponent alloys, as variation in component concentration, temperature and external...

The aims of the research is to describe the feasibility of student worksheet science literacy oriented in acid-base matter assessed from criteria the validity, practicality, and effectiveness. The type of research uses 4D development method that limited until development stage (Develop). The instrument...

Using CaCl2 as sintering aid, the Tb-doped (Ba0.859 Ca0.141) (Zr0.106 Ti0.894) O3 (BCZT) ceramics were fabricated by conventional solid-state reaction method. The sintering temperature of ceramics decreases from about 1450 down to about 1300 . The SEM micrographs show that all ceramics sintered above...

Regional flood disaster risk assessment is an important part of regional flood disaster risk management. Taking the interaction among the disaster causing factors, the hazard inducing environment and the disaster bearing bodies into consideration, the risk assessment index system and model of flood disaster...

At present, the influence of online public opinion is getting increasingly greater. It is very important to grasp the current situation of online public opinion and predict the future development. In order to find out the status of internet public opinion and guide internet public opinion correctly,...

Air Passenger Demand Model for prediction is a capital knowledge. Direct Gravity Trip Distribution Model seems the most appropriate for this prediction. Direct Gravity Trip Distribution model was tried to be developed, calculated by using iterative method. The research give indication that the Direct...

This study evaluates the performance of a residential air conditioner (A/C) using R32 as a retrofit for R410A. One of the biggest challenges in the retrofitting is to determine the ideal mass of refrigerant, which eventually lead to optimum performance of the system. The theoretical mass of refrigerant...

Tourism has evolved into a critical metric for assessing national well-being and quality of life, with rural mountain tourism emerging as a burgeoning trend in the Yangtze River Delta region. However, insufficient attention to the significance of rural mountain tourism landscape content and tourists’...

Currently, the use of polymer composites with natural fibers is widely developed because the price is relatively cheap and environmentally friendly. The aim of this study was to determine the bending strength of polypropylene composites with pineapple leaf and palm fiber as reinforcement. The method...

While research and practical experience have demonstrated that organizational adoption of artificial intelligence can yield various benefits for employees, including enhanced work performance and heightened work engagement, scant consideration has been given to its influence on the work well-being of...

The Lanzhou area’s loess is loosely structured, has a high pore ratio, is weak, and is extremely collapsible. These features result in the loess tunnel basement’s inadequate bearing capacity, which makes it simple for the tunnel basement to undergo severe deformation during excavation. High pressure...

The development of science and technology provides a significant increase. One of the main examples in the field of heat transfer, In the industrial world, there are several categories of heat exchangers, such as the cooling unit as a supporting medium in industrial areas, there is a double pipe heat...

The use and utilization of gas in various aspects of daily activities is commonplace. One aspect is the use of LPG gas in the Pharmaceutical Laboratory. By paying attention to this, there is a big risk, namely the potential for a fire to occur when LPG gas leaks. In an effort to improve the prevention...

Liquid soap plays a very important role in people’s lives, but if the manufacturing process is not done well it will have fatal consequences, such as in the process of making liquid soap in SMEs (Small and Medium Enterprises) many still do it manually or semi-automatically, the target users are small...

With the rapid development of the new generation of information technology, intelligent construction, as an innovative engineering construction mode, has become a key method to solve many practical problems in the construction industry, and it is also an important starting point to promote the transformation...

This paper takes the intersection of Renmin Road and Tanan Road in Jiaozuo City as an example and carries out traffic organization optimization, evaluating its service level by calculating the capacity, saturation and saturation flow rate, while finding out the optimized timing scheme according to Webster...

This paper addresses the technical challenges in the cantilever construction of large-section prestressed concrete continuous beams in deeply incised valley environments. Taking the Shoupanyan Bridge as the engineering background, the corbel-type bracket construction technology, intelligent circulating...

This research aimed to develop a pheromone-based smart mosquito trap for reducing the regional and temporal occurrences of mosquito-transmitted pathogens. The study was mainly concerned with killing mosquitos in a very large area without negatively impacting the physical health of living beings. The...

Impedance matching balance transformer is often used as the main electrified railway traction substation transformer. In order to solve the problem that traditional fault diagnosis method could not accurately identify the internal or external failure, it is proposed an identification algorithm of recursive...

With the high costs of power, energy efficiency has rapidly become a critical consideration issue when evaluating data centers. Energy efficiency metric can be used by managers to measure and maintain the implementation of cost saving and Co2 emissions in data centers. In this study, A metric model for...

In order to study the back analysis accuracy of different algorithms of neural network for back analysis of tunnels surrounding rock. Firstly, the main parameters influencing the deformation of tunnels surrounding rock are analyzed by orthogonal test. Secondly, a FLAC3D numerical model of the tunnels...

With the ever-increasing design scales of electronic products and weapons, it is essential to make a design for testability (DFT) in the process of product research and development. To confirm the correctness of testability design and analysis, it is necessary to perform testability verification for...

At present, it has many bid evaluation of construction units that mainly rely on an expert scoring method to determine the successful bidder. That is the reason why the evaluation process has a great subjective. Thus this paper wants to propose a comprehensive evaluation model by combining entropy method...

Big data technology can integrate the mass data in some certain ways to unearth products and services of huge values to promote the economic and social change. This paper analyzes the characteristics of the information resources in the era of big data, points out the necessity of information resources...

We make a dynamic contact analysis for a pair of gears in the first stage device of the RV reducer by the 3 d modeling software Pro/E and the finite element analysis software Abaqus. The simulation results are the dynamic changes of the stress distribution on the tooth and the results are compared with...

the results of scaled acoustic laboratory experiments with noise barriers are reported. Short impulsive spherical sound wave with broad frequency spectrum is used as controllable sound source. Using spectral analysis the insertion loss spectral functions were calculated for experiments with different...

The circular loop source is calculated by the method of inscribed polygon inner the circle or numerical calculation. The former uses decomposed polygon in each side with electric dipole, then stack all the electric dipole response; the latter adopts the method of digital filter to calculate the integral...

The article presents the structure of a subminiaturized eddy-current transducer (EST) of a transformer type with the exciting, measuring and compensation windings, which is based on the pyramid-shaped core providing the localization of the magnetic field on the area of 0.0025 mmý. It also presents the...

Take MCS-51 series as an example, introduced a high-speed control scheme of single- chip solutions for large LED screen display.The control of SCM for LED display screen generally start read data from data memory then write the data to LED dot matrix tablets. The innovation of this program are that use...

Tube hydroforming is attracting more and more attention in many industrial fields, especially in automotive industries and aircraft industry. In this paper, aiming at the problem of the match of axial force and internal pressure, the results of experimental research on the influence of loading path on...

The paper introduces the design using capacitive humidity sensors to detect the humidity. By 555 oscillators, the capacitive humidity sensors can change the output frequency. The microchip controller can account the frequency and then according to the math equation, obtaining the humidity information.

A novel swing crank-slide bar beam pumping unit composes of motor, reducer, crank, slider, guide rod, frame and wire rope. Up and down stroke is performed by slider moving along guide-rod guide apparatus resulting guide rod up and down movement against supporting point of pumping frame. Crank automatically...

Based on Mindlin displacement solution, we fully analyze the mechanical behavior of ground surface settlement caused by tunnel construction. In this paper, modified formula of ground deformation induced by ground loss is offered and applied to estimate settlement induced by the double-line tunnel construction...

Elastomers are necessary materials in building materials. Mouldy materials will not only influence the surface view but also mechanical properties. In this paper, maleoyl chitosan (MCS) was selected as antimicrobial for improving natural rubber (NR) materials' antimicrobial properties together with mechanical...

To reduce the steam loss and raise the efficiency of the steam turbine, the vapour seals are applied in the inner cylinder of the steam turbine. The small gap may easily results in the rubbing happening in the inner cylinder. Sometimes, the rotor is a flexible rotor. In this paper, dynamic response of...

In order to understand the rule of water, temperature and deformation in the process of frost heaving and thawing settlement, carry out the soil column model experiment, record the change of temperature, moisture and deformation during the experiment, draw the line chart and analyze the process of soil...

Edible coatings have been used to prevent physiological disorder caused by minimum processing. The aim oh this research is to study about the physical properties of edible film carboxymethylcellulose with the addition of essential oil and its ability to inhibit browning and microbial growth on fresh-cut...

Reliability analysis of bolt-shotcrete support system is essential for the stability control of the underground tunnels. This paper presented a new analytical method for the reliability analysis of bolt-shotcrete support system. Considering the difference of the stiffness of each support unit, the bolt-shotcrete...

This article reviewed various arguments about environmental regulation and its theoretical basis, combined with the practice of environmental protection in China's enterprises, put forward several directions for further research, so as to provide a decision-making reference for the environmental protection...

The collaborative filtering recommendation implements recommendation by using his neighbor user's preference. And the similarity calculation is the key. The traditional similarity calculation neglects the impact of co-rating item number and user average rating on similarity calculation. This causes the...

In this paper, through different reinforcement ratio and basalt fiber content, ultimate bearing capacity, stress-strain of regenerated concrete beam of basalt fiber were studied. As the result, basalt fiber reinforced the flexural performance of the recycled concrete beam obviously , the proper ratio...

In order to analyze the difference between temperature rise and the current carrying capacity of cable lines in pipe and tunnel, this paper first analyzes the temperature rise under the laying condition of tunnel and pipe and the calculation method of load flow, and applied the same test current on a...

Reliability design of mechanical components mostly focused on establishing pure theoretical mathematical model at present, without involving measured information for working components and gradual characteristics of parameters into theoretical model, which caused some error for reliability design of...

In this paper, in order to achieve intelligent scientific information sharing of local universities as a starting point, the characteristics of cloud technology and the sharing requirements of scientific information resources has been analyzed. Using cloud technology to manage local scientific research...

The mechanical system of large-scale medical imaging equipment SPECT is complex and expensive, so it is difficult to carry out the reliability test with a large number of physical equipments. The virtual test method is used to evaluate the reliability of the system. The virtual prototype of SPECT mechanical...

Currently we are battling with the outbreak of a new type of infectious disease known as coronavirus disease 2019 (COVID-19). This virus causes severe acute respiratory coronavirus 2 syndrome (SARS-CoV-2). The spread of SARS-CoV-2 from human to human becomes the main transmission source; hence the rate...

Developing countries tend to have problems in the form of people often encountering the phenomenon of congestion. Public transportation is one of the assessments of the quality level of development of an area or country. The government continues to try to unravel the phenomenon of congestion that occurs....

With the acceleration of urbanization and the expansion of city scale, the number of super-large and megacities has increased, which has led to a new round of upsurge in the construction of underground comprehensive pipe gallery projects. In this context, the safety of gas tanks has become the focus...

With the development of the economy, society now has new requirements for carbon emissions. In order to peak carbon dioxide emissions by 2030 and achieve carbon neutrality by 2060, it is necessary to develop the use of recyclables and reduce the waste rate from now on, thereby reducing carbon emissions....

The main problem faced by Plasa Telkom Binjai is the man- ual data collection process for Orbit modem sales using Microsoft Excel, which is inefficient, error-prone, and makes reporting difficult. To address this issue, this study designed and implemented a web-based sales data collection information...