Advances in Engineering Research

Al-Ti-C alloy is a kind of fine refinement agent. However, the wetting of Al/C interface and TiC synthesis are the key technical problems to be solved in the preparation of Al-Ti-C grain refinement. In this paper, the acoustic cavitation effect was used to improve the wettability of Al-Ti/C interface,...

Generally dye-sensitized solar cell (DSSC) consists of a transparent electrode, TiO2, dye, electrolysis solution and Pt as a counter electrode.In our study, we substituted carbon nanotubes (CNT) for counter electrodes to improve the performance of DSSC owing to their advantages as high catalytic activity,...

A series of branched styryl derivatives based on 1, 3, 5-triazine have been studied by time-resolved fluorescence anisotropy method to study the intramolecules interferaction between branches. The obtained results further confirmed the TPA enhancement mechanism, the anisotropy of trimer shows faster...

Based on constraint phononic crystal cutoff frequency characteristics, the paper studied effects on the phonon crystal band structure of the two-dimensional phononic crystal substrate density and elastic modulus under constraints. The spring quality equivalent model is proposed for the theoretical interpretation,...

It was studied experimentally that The variation of the open circuit voltage and temperature of a single solar film during the heating process under different illumination On this basis, by measuring the voltage generated by a single solar film under a voltage regulator, the number of multi-films which...

In traction power supply systems (TPSS) extreme modes occur in emergency situations with extreme electromagnetic fields (EMF). Short circuit (SC) is one of the extreme modes that lead to considerable current flows in catenary wires with significant growth of magnetic field strengths. SC modes duration...

In this paper, VRML2.0 as the development tool to mechanical design of the main parts as the object. First select the typical components of the sliding bearing as the entrance to various forms of three-dimensional model of the structure to user. So that the user has a comprehensive grasp of the structure...

The external clock synchronization method is difficult to implement, susceptible to interference and insecure for the marine fault recording device, so a synchronous method based on Lagrange once interpolation algorithm is proposed. MATLAB simulation and prototype test show that the synchronization accuracy...

The linear regularity of the strain distribution about new composite T-shaped concrete-filled steel tubular columns on the multiple sections was analyzed by ABAQUS. The plane-section assumption of new composite T-shaped concrete-filled steel tubular columns was studied under the axial loading and lateral...

Delicacy management of railway power supply and the density of trains increased made monitoring points increased and running changes intensify, a large number of fluctuation data need to be synchronized among different databases, but there are two problems need to be solved: (1) Existing various systems...

The addition reaction was carried out under the acidic conditions using dicyandiamide and 3,3'-dimethyl-4,4'-diaminodicyclohexylmethane (DMDC) as raw materials to prepare 3,3'-dimethyl P-guanidino) dicyclohexylmethane. The effects of reaction temperature, reaction time and molar ratio of materials on...

In this paper, the search delay model of P2P networks is proposed. By analyzing the search process of structured P2P network and using Markov chain, the relationship between the mean node session time and the search delay of the P2P network is obtained. This model shows the inherent law between P2P Churn...

In precast concrete structures, connections play an important role in ensuring the safety of the structure. Current design practice in structural analysis assumes the connection as pinned or rigid. However, this cannot be relied upon for safety against collapse because during service the actual connection...

Safety has become people’s primary requirement for smart homes. The home security system has become an important part of the smart home. We design a smart home security system based on MSP430 microcomputer. It combines smoke detection module, fire detection module, man-made illegal intrusion detection...

Steel material has resistance to rust and strong magnetic properties, as well as resistance to loads. Aluminum is of high strength and corrosion resistance. Most of the technical equipment is under rotary dynamic load pressure. The component that receives the most dynamic load is the shaft. The shaft...

Several studies state that the development of Micro, Small, and Medium Enterprises (MSMEs) in rural areas can reduce poverty. The existence of MSME development can provide access to the poor in rural areas so that they can be involved in productive business activities and promote entrepreneurship, especially...

The purpose of this paper is to explore how traditional construction techniques and modern architectural design can coexist. Taking Yunnan as an example, through an in-depth study of traditional construction techniques, its advantages in terms of aesthetics, functionality and sustainability are analyzed....

Arduino Uno is a minimum system board that use atmega 328p as a microcontroller IC (Integrated Circuit). Arduino Uno has 20 output pins. The running out of the pins owned by the Arduino Uno makes it cannot control many LCD, such as 3 LCDs that require 21 pins. With the lack of the Arduino Uno, this study...

Currently, the construction of pumped storage power stations is in a peak period, and due to layout requirements at the station’s location, it is sometimes challenging to find ideal geological conditions for the underground powerhouse location. This necessitates excavating underground caverns in areas...

Dengue fever in Indonesia requires immediate solutions because it poses a threat to life. The NS2A protein within the dengue virus is one of the major causes. Molecular docking is a rapid method for discovering antivirals for dengue fever using computational techniques. The results of this method are...

Based on the disadvantages of the odine adsorber currently used, compare the performance differences between traditional granular activated carbon and new activated carbon fibers in adsorbing radioactive gaseous iodine. And explore the modification methods of new impregnated activated carbon fiber materials...

In order to study the effect of degradation of isolation bearing performance on the seismic response of in-service bridges, a continuous girder bridge is combined to analyse the effect of degradation of isolation bearing performance on the horizontal displacement of the bearing, the vertical reaction...

Real-time hydro-logical data such as water level and flow of the main canal of the Middle Route of the South-to-North Water Diversion Project are the basis for decision-making of water conveyance scheduling. Due to the influences of external disturbance, measurement system error and other factors, the...

The characteristics of lightweight concrete are distinct from those of the many other types of concrete. On the other hand, there has been relatively little investigation into the performance of such concrete when it is wrapped in fiber-reinforced polymer. This study investigates effect of fiber reinforced...

This study presents a comprehensive analysis of the generative artificial intelligence research landscape during the transformative period of 2023-2024. Using BERTopic, we analyzed 1,314 scholarly articles retrieved from the Scopus database to identify thematic clusters and temporal evolution patterns....

This paper introduces the classical theory of MPA (micro-perforated panel absorb-er). Its sound absorption coefficient primarily related to these structure parameters. Based on the theory of MPA which is proposed by M, sound absorption performances are researched by using MATLAB. By this method, the...

Solar photovoltaic power generation is an important part of the system, and the work efficiency and system capacity is closely related to improving the energy conversion efficiency of the solar cell can increase the utilization of solar energy. Because of the characteristics of solar cells have a number...

Automotive glass is one of the most important parts of automobile, the performance of automobile glass is di-rectly related to an important indicator of the safety of passengers and fuel economy. But in the face of all kinds of natural disasters and in the traffic accident, the doors and windows can't...

A pot experiment was conducted to study the effects of exogenous abscisic acid (ABA) on photosynthetic characteristics of Chinese cabbage under aluminum (Al) stress. Five treatments were used in the experiment: leaves were sprayed with 0 (CK), 1, 5, 10 and 20 mol-L-1 concentrations of abscisic acid solution....

Industry is the main industry of water pollution.we should reduce the total amount of industrial water pollution to enhance the overall quality of the environment . Taking Jiangsu as an example, this paper analyzes the factors that affect the industrial water pollution by using the grey correlation analysis...

This paper introduced the theoretical design of automotive muffler. The muffler three-dimensional model was established using the computer, and convert the format of the three-dimensional model into STL, then by using the method of rapid prototyping, print out the muffler entities. By using the related...

The IPMCs with various thicknesses were manufactured by a hot-pressed method and their actuations in terms of tip force and displacement when being reused with different treatments were investigated. Three selected treatments are no treatment, treatment in deionized water or 2M NaCl solution. To achieve...

With the increase of mining depth, heat harm is becoming more and more serious, paper established series of fan operating parameters model, designed energy-saving system of use natural ventilation to solve mine thermal harm, combined ventilation remote monitoring and natural ventilation, and innovated...

An algorithm of target tracking based on information filteringBook and particle filter is proposed in this paper. Accurate foreground region through the fusion of neighbour-information is segmented and features of foreground are extract to build an initial template for particle filter. The experimental...

Seal type hydraulic dumper is frequently used in helicopter rotor system to prevent ground resonance and air resonance. In this paper, we modeled the seal type hydraulic dumper with the Hydraulic Component Design database in AMESim and analyzed the impact of driving frequency and gas content of the hydraulic...

Phenolic acids concentrations, total phenolic and flavonoid contents and antioxidant activities in extracts from Naseberry, Jackfruit,Longan, Litchi, Carambola and Loquat leaves were determined. The total phenolic contents varied from 4.43% in Litchi to 11.97% in Naseberrys. The Four major phenolics,...

The second-order elastic constants and generalized-stacking-fault energy surfaces for semiconductors GaAs have been predicted by using the first-principles calculations. The calculations employ the density functional theory within local-density-approximation method. The lattice constants of GaAs is 5.626Å,...

The popularity of smart sensing devices is greatly convenient for extensive collection of information. The information collected may include providers' private message, like location, personal identity, and so on. For protecting information providers' privacy, we design the information transfer mechanism...

The computer foundation is a major course of ethnic preparatory education. In this paper, the research situation of traditional preparatory basic computer teaching has been analyzed, in view of the crisis of the teaching, the application background, characteristics and essence of big data technology...

The water-riched overburden of a seabed mine poses threat to safe exploitation. The level -135 m strike drift of the Xinli mine district of Sanshandao gold mine in Shandong province was selected to be the survey site for electrical imaging, in order to map the groundwater distribution of the overlying...

In order to explore the effect of fly ash on the pore structure and comprehensive strength properties of concrete, the effect of contents and particle size distribution of fly ash on the grade pore porosity and strength of the concrete were analyzed by mercury intrusion method. The results show that,...

In this investigation, the removals of pollutants especially 2,4,6-trichlorophenol by MBR and a simultaneous application of powdered activated carbon with MBR using flat sheet membrane were contrasted. The results displayed that both the two systems could effectively remove ammonia-N, total organics...

Selective catalytic reaction(SCR) of NOx by ammonia is a very efficient method to reduce the NOx emission from coal-fired power plants and large boilers.The ammonia is injected into the exhaust gas stream and is mixed NOx. The mixture passes through the honeycomb-type catalyst bed, where NOx reacts on...

Product structure and forming scheme of seeder’s typical part were analyzed and optimized in this topic, which affecting the warping deformation of plastic part using Moldflow software, ultimately the best solution was determined. The defects of mould design and plastic parts manufacturing injection...

The antenna array could raise the performance of the wireless communication system. There always exists certain error between the system theoretical output and actual output due to the system error. Based on the minimum mean square error criterion, we introduce an antenna array calibration matrix which...

In order to remove the motion blur in sequential images of bullets taken in the penetration test, firstly we found out the relationship among the degradation model, direction of motion and blurred length of a bullet image in this paper. Then the radon transformation was used to found out the direction...

In India, lot of coal reserves exist up to 300m depth, are more amenable for extraction by opencast mining. Bulk production is possible with Opencast mining, with low gestation period, more safety and high percentage of extraction compared to underground methods. Hence coal operators are inclined towards...

On the basis of taking full account of the selected and screened requirements for tourism souvenirs on the development of channels and dissemination of information in current communication context, the problems and deficiencies, existing in the exploitation of tourist souvenirs on Fuxi culture, are absolutely...

the conventional notion of architecture and the built environment is that they are meant to be relatively static and final, once constructed according to the well prepared plans based on users’ needs and wants. That notion, however, overlooks the reality that change is inevitable during a building’s...

The high-tech local war has become an important mode of warfare in the future. To cope with the ever-changing battlefield situation, it is necessary to make scientific and reasonable planning for the application of aero technical equipments in wartime. On the basis with Markov Random Process to analysize...

Bangka’s pepper is known in the world market with the trademark Muntok White Pepper (MWP) that has a good quality and the highest price. The marketing pattern of Bangka’s pepper from the past until now is still convetional. It can be seen from the pepper marketing chain: from farmers as producers, merchants,...

Main business application of big data is used to analyze the specific cases through health data model. Combined with the actual demand and development trend, the main business range of medical applications of large data includes intelligent auxiliary diagnosis, image data analysis, image intelligent...

Etawa Crossbred goat is a small ruminant germplasm whose population must be maintained and increased. This study aimed to identify the revenue and cost as well as to analyze the income added value of Etawa goat. The research was conducted in Kulon Progo as the center of crossbred goat breeding in Yogyakarta....

To prolong the service life of hydraulic structures of irrigation systems and dams there were developed and patented method and device of creating impervious coating of irrigation channels, impervious geotextile coating of low-pressure earthen dams, a device for sealing butt joints of trays providing...

The Imphal River is major river in Manipur, India, that connects Manipur River and Bay of Bengal. The seasonal variations of organic carbon in surface sediments and the major sources along the course of the river were studied. Sediment samples were collected from five sampling sites, namely Lamlong Thong...

The urgency of the investigated problem is caused by the need to improve the quality of welded joints of aluminum thin-walled structures of aerospace engineering. The purpose of the article is to substantiate the application of automated welding technology with the process of cold metal transfer for...

This research was conducted to obtain the procedure for the production of herb powder based on Indonesian local Kaempferia galanga commodities which have proximate as well as metals and microbes contamination level that meet the requirements in the Indonesian National Standard (SNI) 01-3709-1995. Blanching...

The purpose of this study was to obtain an ergonomic aspect analysis on the design of classrom’s tables and chairs for high school and vocational high school. The study was conducted at SMK Veteran 1 Sukoharjo, with research subjects of 30 students aged 16 years to 18 years. The data that is needed in...

This paper presents an improved self-consistent, multi-component and two-dimensional plasma hybrid model for the simulation of DC positive corona discharge under atmospheric environment. The model is based on the plasma hydrodynamics and the chemical models. It includes 12 species and 27 reactions. Besides,...

In statistics, expectation-maximization (EM) algorithm is an iterative method which finds the maximum likelihood or maximum a posteriori (MAP) estimates of parameters in statistical models depending on unobserved latent variables. In image segmentation, EM is widely used to determine the unknown parameters...

A heavy equipment wharf intends to ship11100 tons "upper part of self-elevating offshore platform ", the offshore platform located in the rear of the wharf base terminal yard, adjacent to the pile platform. The finite element software ABAQUS is used to analysis of the "upper part of structure" stress,...

There are many quality problems appearing in residential engineering in recent years. Such residential engineering quality problems are investigated. Through statistical analysis of survey samples, 24 kinds of major quality problems and their corresponding features which often appear in residential engineering...

Investigation on the influence of chemical composition on the precipitation of -ferrite phase during solidification process with simulation method has been done in this study. Meanwhile, Fan-shaped laser beam welding method was used to verify the reliability of simulation results. The research results...

Psoriasis, meaning "itchy condition", is a chronic skin disease that is characterized by scaly, reddened patches. It is a recurring disease with varying severity ranging from slight limited flakes to entire body. Psoriasis Area and Severity Index (PASI) is the most conventional method for measuring the...

In the last two decades of the 21st-century residential real estate development in the municipality of Malang has increased rapidly. The urban fringe has chosen for the development location because of the availability of vacant land, and the situation in this area is not too crowded. The lower land value...

The concept, origin, development and application of supramolecular chemistry are briefly introduced. This paper introduces in detail: the preparation and application of rare ginsenoside, a biological supramolecular ligand.Synthesis, properties and applications of supramolecular complexes of macrotricyclic...

An important dimension of value chain flexibility is supply-side flexibility, which refers to the range and ability to accommodate changes in production output related to internal operating efficiency. Meanwhile, flexibility in supply chain networks can help reduce supply chain risk when dealing with...

The Aceh region, located in the subduction zone between the Indo-Australian and Eurasian Plates, is highly vulnerable to natural disasters, particularly earthquakes and impact loads that can damage building structures. One commonly used building structure system is the unconfined masonry wall, which...

Electrical energy is a very important requirement for life, almost all life activities require electrical energy. The live line voltage installation of the insulator cover on the strain clamp 20 kV system is done by a hand robotic is a forward effort to prevent disturbance on the overhead medium voltage...

The study investigates the load-bearing capacity and stiffness of ancient wooden architectural components under various vertical loads, with a focus on dougong and mortise-tenon joints, which are vital for the stability of ancient wooden structures. Using ANSYS software, finite element models were developed...

In a large-scale pulp and paper industry, good quality chips play a critical role in determining the pulp making process. Several factors affect the resulting quality of chips in the wood chipping process; among of them are the chipper knife sharpness and wear. This research examines the difference between...

With the swift advancement of Industry 4.0, 3D printing is increasingly being applied across various industries, and its status is continually rising. However, many 3D printing technologies have problems of insufficient printing success rate and unstable printing quality. Enhancing the degree of automation...

This paper proposes development of a Pulse Width Modulation (PWM) scheme that overcomes the weakness of conventional Carrier-Based PWM (CBPWM) performance on Neural Point Clamp Inverter (NPC). This scheme uses the conventional CBPWM technique to developed Advanced CBPWM. This technique uses triangular...

The concrete construction work process usually has many factors that influence the quality of the concrete, starting from various methods of preparing materials to caring for the concrete. This occurs because of the differences in treatment given to samples in the laboratory and workpieces made in the...

This research focuses on the effect of service time on passenger satisfaction at Yogyakarta International Airport during the implementation of PM 178 of 2015 and PM 41 of 2023. The research highlights the elimination of service time standards in PM 41 of 2023. By using survey research methods in the...

Human body structures supported by the skeletal system are susceptible to osteoporotic vertebral compression fractures due to aging. The most common fracture among the geriatric population is vertebral fracture (25%), compared to hip fracture (24%). These symptoms, which largely stem from osteoporosis...

Gasification is an attractive valorization option because it can convert plastic waste into valuable products such as syngas. If the syngas meets certain specifications, it can be used to produce fuel, chemicals, and electricity. Additionally, plastic waste is rich in carbon and hydrogen, both essential...

The dynamical phenomena of complex networks are not easy to model and to characterize by current methods of mathematics. Newman, Barabïasi and Watts pointed out the direction of researching complex networks by graph theory, which was successfully applied in current investigation of complex networks,...

This text introduced a kind of Geometry Test for machine tool, mainly make use of the stick and laser to measure the tool system, pass plait distance to complete machine tool automatically part several accuracy measure, and the automatic record is bad value. Pass the engineering application, can attain...

This paper research the Topology optimization based on level set method. Existing level set topology optimization method based on the reaction diffusion equation does not satisfy the volume constraints and convergence of objective function when solve some model optimization. According to this phenomenon,...

This paper is devoted to describe the variation trend of temperature and humidity in the glasshouse in summer during the working of the four main cooling systems, i.e. natural ventilation system, mechanical ventilation system, wet curtain cooling system.Then, set up the quantitative relationship between...

This study investigates long-term significant wave heights trends in the South China Sea. The Hs-SLP relationship in each domain is represented by a multivariate regression model with lagged dependent variable, which is calibrated and validated using the ERA-Interim reanalysis of Hs and SLP for the period...

Objective: To investigate life quality of type II diabetes and its influencing factors of patients in Inner Mongolia area. Method: To compare life quality of patients with diabetes from community, together 161 cases taken by Affiliated Hospital of Inner Mongolia University for Nationalities' endocrine...

At present, our time is an era of information and this era is a significant feature of information technology in a wide range of industries. The development and improvement of information technology has made great contributions to Chinese economic take-off, but it also brought new development opportunities...

Currently, pineapple bran vinegar is divided into two types - blended and fermented. Fermented pineapple bran vinegar is formed by using pineapple bran as its main raw material which is fermented by both alcohol and acetic acid. This vinegar can be used as both flavoring and beverage. This paper introduced...

This paper applies the Latent Class (LC) approach to investigate households’ preferences on air quality and study environmental externalities in China’s coal-based power sector. We conduct a choice experiment where people are asked to choose among three hypothetical air quality improvement options and...

In order to optimize the dynamic performance of a 2-DoF planar parallel mechanism used in hybrid machines, comprehensive acceleration ellipsoid (CAE) method is introduced. Considering the inertia, velocity, gravity and external force factors, CAE method can evaluate the dynamic performance more exactly....

Traditional way of artificial survey statistics for urban population distribution is too time-consuming to adapt to the rapidly changing city traffic flow. In this paper, we propose a method to find out the workplace and residence, according to mobile phone location data and historical trajectory mining....

In view of the roadway threatened by confined water are prone to water-inrushing during operation service, industrial test of supporting parameter optimization had been carried out in deep mine. This paper analyzes time effect of water inrush and prevention measures, and put forward the optimization...

By introducing the theory of virtual compound joint and its characteristic parameters analysis method, the moving capability of the output terminal of the kinematic chain can be obtained by calculating and analyzing the instantaneous or global equivalent rotation angle domain and instantaneous or global...

Cervical cancer is one of the most common malignant tumors of the gynecological department. In recent years, there has been a tendency to report the incidence of cervical cancer at home and abroad. The incidence of cervical cancer under 35 years of age is increasing, which seriously endangers women's...

Based on the theory of stress control for rock burst prevention, rigid-flexible integrated support with energy absorbing was found. In this paper, we tested between flexible yield support and rigid-flexible integrated support with energy absorbing. The results showed that the frequency of rock burst...

The inverted pendulum is a classical control problem, which is an absolutely unstable system with the characteristics of higher-order, unstable, multivariable, nonlinear and strong coupling. There can be varieties of methods to be applied to control inverted pendulum system, such as PID control, optimal...

We propose to assess the use of information systems through the Lean philosophy in various maritime and port companies. Interviews were conducted with shipping agents, consignees and port authorities of the major maritime port of Nantes-St-Nazaire in France. We demonstrated that there are sources of...

The octadecylamine-hectorite composite (ODA-hectotie) has been designed and synthesized. The composite is used for removal of methylene blue (MB) from aqueous solution. Research concerning the effects of pH, composite dose, initial dye concentration and temperature are presented and discussed. Experiment...

With the rise of distributed generation, such as wind power and photovoltaic (PV), it is necessary to consider the effect of distributed generation's output randomness. Using the method of Latin hypercube sampling (LHS) can effectively fit output scenario. Considering the sampling number of conventional...

In this paper, the connotation and characteristics of basic chemistry concept are described, value theory structure, content, shape and other related content, and then on the basis of the theoretical system, construction of basic chemistry concept ideas, are combined to promote the concept of "construction"...

The architectural thoughts and practices of Li Xiaodong present his commensuration design philosophy of the Chinese and western as well as the ancient and modern architectures. His unique design methods including "reserving common points and removing difference, stressing on the field and interface,...

Motion parameters of TBM cutting head have a serious impact on the load fluctuation of cutting head and the specific energy consumption for cutting; meanwhile, the service efficiency of TBM is widely affected by the moving load nature of cutting head, and its service life is also closely related to the...

The effects of deceleration parachute of ejection seat on ejection trajectory were analyzed under low velocity condition. Through trial method and simulation, delay time of parachute opening was optimized in terms of maximum mobile load and maximum velocity. The results showed that the curve-optimized...