Advances in Engineering Research

As a new research field, network science is gaining more and more attention with the networking of human society. Urban traffic is a kind of typical complex network, the analysis of its property is becoming a hot topic. The research of the urban traffic network congestion is presented in this paper....

With the continuous growth of energy load, causing environmental problems have become increasingly prominent. Nitrogen oxides and sulfur dioxide and other gases cause serious environmental pollution. Harm of carbon dioxide, soot and heavy metals is increasingly prominent. Therefore energy conservation...

Transient electromagnetic method has gradually became a popular geophysical prospecting method in recent years in China and rest of the world. Considering the complexity of the transient electromagnetic theory, the theory of technology is still imperfect, especially in the area of 3D inversion processing...

As an essential equipment, the fan is widely used in industrial and civil fields for gas compression and gas delivery. Though the cooling fan can keep us comfortable temperature, it bring the annoying noise. Usually noise reduction will first be conducted to the cooling fan, however, the sound quality...

A resource-based method for completely removal of SO₂ from flue gas by utilizing recycling manganese hydroxide (Mn(OH)₂) as an absorbant was proposed, which utilized catalytic oxidation of the manganese in the air on the oxidation of sulfur dioxide to soluble sulfate while removing impurities by filtration...

In this paper, we study the -distance colorings and -distance edge colorings of path double graphs which are based on the semistrong product. We shows that two formulas about -distance and -distance edge chromatic number of path double graphs vary with .

This work aims at modeling and designing a transmission pole structure for further investigation of the economic benefits associated with various grades of steel. Indeed, it was necessary to develop a population of possible design cases, to check structural safety, from which were selected the less expensive...

This paper introduces the technology of activating CuCr50 alloy powder by MA(Mechanical Alloying) and sintering CuCr50 powder by SPS(Spark Plasma Sintering). It analyzes the effect on electrical conductivity and hardness of CuCr50 alloy when Cu powder in different morphology. The results indicate that...

The ground state properties and equation of state of the silicon clathrate Si46 intercalated by Ba atoms are investigated by first-principles calculations based on the plane-wave basis set with the generalized gradient approximation (GGA) for exchange and correlation. Some thermodynamic properties including...

Rigid polyvinyl chloride (R-PVC) foam sheets were prepared in a continuous extrusion foaming system by using supercritical CO2 as the foaming agent. The effects of acrylic resin (ACR) on the rheological properties of PVC were investigated using a Brabender torque rheometer while other basic formula remained...

There are the problem that it must be given the reference standard sequence ahead according to the experience or statistics method in the classical grey entropy relation for fault diagnosis. But it is often lack of objectivity and high accuracy degree. The paper introduced one advanced Fuzzy C-Mean cluster...

An experimental work is obtained for the test force displacement curve of functionally graded Shape Memory Alloy (SMA) laminate subjected to three point bending test. The laminate is uniform and composed by five layers including three SMA layers and two ceramic layers. The relationship between the test...

Adopting high performance buffer is the foundation of the landing gear on the helicopter. Based on established models on Adams/Aircraft, a novel type of series double cavity buffer on the landing gear is investigated by dynamic simulation. Corresponding simulation and analysis are achieved, which is...

A kind of hydro-mechanical continuously variable transmission (HMCVT) is put forward on the basis of the power split fundamental principle. The equations of speed, torque, power and efficiency characteristics of HMCVT are established according to the transmission principle in this paper. The analysis...

A Escherichia coli strain producing phytase named DH5α was chosen from four E. coli stains, the enzyme activity was 17.88 U/mL after fermented at 37°C for 2 days. The enzymatic properties of crude enzyme solution were studied. The optimal temperature was 55°C; optimal pH was 2.5 and 7.0, enzyme had certain...

With the growing demand for security products, intrusion alarm system, based on leaky cables, is favored by majority of enterprises, with advantages of system stability, high concealment and installation location unlimited. Traditional intrusion detection method relies on signal amplitude threshold....

In view of the current increasingly serious problem of petroleum hydrocarbon pollution in water bodies and the lack of effective pollution control technology, the attapulgite is used as the adsorption medium in this study. Firstly, a series of laboratory experiments (roasting, Acidic, and organic modification)...

Nowadays, the parametric design is one of the design approaches or method that architect and designer believe can be a tool for analyzing the possibility of geometric deformation and easily anticipating it by changing parameters. The parameters were changed through the parametric design software, which...

In the world practice of hydrocarbon reservoirs design there is the steady tendency of rate increasing for underground reservoirs design in impermeable rocks. Design of underground reservoirs that are created in rock-salt sediments is intensively directed by the geotechnological method. It is determined...

The aims of this research is to describe the adoption process, the reason of adoption sustainability and the adoption rate of Jajar Legowo Planting Technology towards farmers in Bantul Regency. This research was conducted by using simple random sampling based on the percentage of the application of Jajar...

According to salt expansion and strength parameter index c and φ of sulphate salty soil, we assume that three-layer soil body of salty soil is destroyed. Assuming the network slippage diagram and using rigid-plasticity balance theorem, the calculation method of bearing capacity in salty soil area is...

Strengthening of parts and units of machines, increased reliability and longer service life are an important task of modern aerospace industry. As promising materials for protective-strengthening coatings, matrix composites based on ternary system Fe-B-FenB are offered. The aim of the research was to...

The metabonomics method was employed to detect and analyze the exudates of reed root under BPA stress. PCA(Principal component analysis)and OPLS-DA(Orthogonal partial least squares discriminant analysis) used to identify the main potential metabolites variation with and without BPA addition, 64 compounds...

Pokoh Kidul is one of the villages in Wonogiri District, Wonogiri Regency which is very strategic for the development of agro-industrial tourism. The fig plant is one of the main plants in Pokoh Kidul. Understanding and knowledge of harvest time, fig processing by Posdaya Lancar Barokah needs to be improved...

Digitized India is used to connect rural areas with high speed Internet. As a result, it is used to reduce crime, manual power, documentation and also increases the job opportunities. Nowadays people are facing many problems when they forget to carry the driving license and also to reduce the corruption,...

On the basis of relevant enterprise development theories, this paper conducts regression analysis on the financial data of hundreds of leading listed companies on GEM in China to study their development ability and existing problems. Through empirical analysis, it is found that the internal ownership...

This study focuses on the environmental issues of mining (related) activities in Mongolia, with a focus on soils in the coal mining areas of Baganuur and Nalaikh. Besides the ecological components (including erosion), also the socio-economic conditions are of importance for the derivation of recommendations...

The “VR Vidya – Virtual Science Lab” project presents a 3D virtual reality lab that can be accessed using VR headsets. The platform’s 3D models and interactive programming were created using Autodesk Maya. For numerous experiments conducted at the school level, it provides accurate simulations. Osmosis...

In this study, a simulation will be carried out that analyzes the dynamic motion of the Tight lock coupler on the LRT train. This analysis aims to get the angle value at different curvature radius. The bend radius of the selected railroad tracks is R87, R95, and R1100. The Autodesk Inventor simulation’s...

Energy consumption is increasing worldwide. Dwindling fossil fuel resources and increasing greenhouse gas emissions have fueled global interest in alternative energy systems. One of the potential renewable energy sources in Indonesia is solar energy because Indonesia is located on the equator, which...

Fluid mechanics is one of the important disciplines in civil engineering. It studies the movement of fluids under static and dynamic conditions. Hydraulics, which is related to this, is an important branch in civil engineering. It mainly focuses on the movement of water, water pressure, water flow velocity,...

The study described in this article aimed to assess the hydrochemical characteristics and heavy metal pollution index of groundwater in the Gorkhi Terelj of Nalaikh district, located in the northeast part of Ulaanbaatar, Mongolia. In this study, we have used 91 groundwater samples, which were collected...

Urban green redevelopment projects often reshape physical landscapes, while producing uneven socio-spatial outcomes. This study proposes a GIS-based spatial modeling framework to evaluate the impacts of a high-profile green redevelopment case: Miyashita Park in Tokyo. Combining geospatial datasets (2014–2023)...

Scholars in the electrical field hope to use catalysts to improve the curing system of acid anhydride epoxy insulating materials, so as to solve the problem that a large number of waste insulating materials can not be effectively recycled. One of the most important research directions is to select a...

One of the popular UAV applications in the logistics sector is the use of UAVs as couriers to deliver goods to customers’ homes. In this application, the UAV must be able to follow the given trajectory while avoiding the existing obstacles to get to the customer’s house. To fulfill this, UAVs require...

This research aims to improve the accuracy of the Support Vector Machine (SVM) algorithm in classifying primary tumor data through feature selection. Primary tumors, which can be benign or malignant, require accurate diagnosis for effective medical treatment. By utilizing primary tumor datasets from...

To treat high free fatty acid feedstock in biodiesel production, the reduction of free fatty acid by esterification in continuous reactive distillation column was investigated. In this work, ethanol and crude palm oil (CPO) which the molar ratio of ethanol to oil was 8:1 were selected as reactants with...

Nose wheel steering control system is the kernel of the ground maneuvers, and has its own notable functions and features. After the introduction of Principle and State of nose wheel steering system, this paper computes the damping of aircraft's shimmy and gives the simulation analysis of damping functions...

In this research we explore the feasibility of using commercial gasoline to extract the ethanol from the ethanol solution to produce gasohol. The experiment simulated a 3-stage countercurrent extraction process. Commercial unleaded gasoline with various octane number (92,95,98) was used as solvent to...

This paper studies online monitoring of SS series locomotive braking and wheel ovalization. Two displacement sensors were used to detect real-time displacement amount of brake actuator and tire tread, which were calculated by IPC for real-time monitoring of braking remission, braking, brake shoe wear,...

Reliability-based design optimization (RBDO) is a more rational optimization design method due to its consideration of the structure reliability requirements. A new RBDO-kriging method that combines kriging agent model and covariance matrix adaptation evolution strategy (CMAES) is proposed to solve the...

In order to test the mid-strain-rate, a specialized fixture that can be installed on the MTS809 test machine is designed. A three-dimensional solid model of the fixture was established with SolidWorks, and multi body dynamics simulation analysis on the tensile process of dumbbell shaped flat specimens...

As a low carbon, environmental protection, energy saving and healthy travel mode, public bicycles are being popularized and popularized in many cities all over the country. In the public bicycle service system, the location of the bicycle rental and the allocation of the number of bicycles, locks, and...

In order to obtain better mechanical properties by exploiting the advantages of different materials, a topological design method of compliant mechanisms multiple materials was proposed. The multiple materials interpolation model for topological design of compliant mechanisms was established using the...

On the premise of fixed cement slurry consistency and sodium silicate concentration, adjust the content of slag powder design 8 groups of ratio, cement and sodium silicate double liquid grouting material mix design and test research, through the collation and analysis of experimental data, obtained the...

With ethyl acrylate, acrylic acid as monomers, an intelligent carrier material (PAE) was synthesized, and its swelling properties at different pH values, its cycle characteristics as well as its release control performance for inhibitors in alkaline solution were studied. The results indicate that the...

In this work, Y(OH)3:Eu3+ nanotubes with 2-3 µm in length and 50-300 nm in diameter have been successfully synthesized on a large scale by hydrothermal treatment of the corresponding oxides in pure water. In addition, Y2O3:Eu3+ nanotubes could be obtained by calcination of Y(OH)3:Eu3+ nanotubes in air...

In this study, polyurethane elastomer containing sulfonic acid based was synthesized by two steps. Poly(tetramethylene ether) glycol with 2000g/mol number average molecular weight were used as soft segment, 4,4-methylenebis(phenyl isocyanate), and 1,2-dihydroxy-3-propanesulfonic acid salt were used to...

Embankment dam leakage may cause devastating consequences and its early detection plays a significant role in the stability of embankment dam. Conventional dam leakage detection methods, such as piezometric tube or osmometer, are restricted by limitations of spatial distribution and high costs of instruments....

Based on risk assessment theory and "N-1" safety criteria, aiming at the situation of fault and power recovery in distribution system with distributed generation (DG), load bus loss and line overload and they comprehensive risk index are proposed to assess the risk degree of system, and find the vulnerable...

Rare earth elements (REE) are important mineral resource in China, especially in Jiangxi province, Inner Mongolia. There is abundance of tailings in the REE mining area, which is harmful for the ecosystem and environment. Eucalyptus is one kind of tree which has often been used in the in ecological restoration...

Input data necessary for synthesizing accelerograms are usually derived from seismic behavior of the construction site or from a statistical analysis of a set of recorded accelerograms which correspond to this particular construction site. As seismic performance of the site is independent of the structure...

This paper adopted the thermogravimetric analyzer, studied on the gasification reactivity of Xinjiang Zhundong coal. Researched gasification reactivity of different coal samples such as demineralized coal and coke with catalyst. Studied the influence of alkali metal on coke gasification process. After...

Using the analysis of the design goals for a new car the basic structure type of this new car was determined. Under the presupposition of giving power unit, the various of matching scheme of driveline and engine was selected preliminary. The vehicle model was construced by using AVL-Cruise software,...

Water quality is one of the factors that influence the cultivation of vannamei shrimp. Therefore it is necessary to periodically monitor water quality. In this study it was designed to monitor pond water quality parameters based on Wireless Sensor Network. This system is designed to monitor the parameters...

In order to understand the situation of land use in Karst and the corresponding trend of variation in the future 30 years, based on the geographic information system (GIS), the dynamic variation of land use in Karst wetland has been analyzed by using the Landsat pictures in the year of 1990, 1995, 2000,...

In this paper, the research status of air drying articles design in college Apartments is analyzed, and functional impairment and design flaw in use are discussed; through the analysis of drying habit and drying function needs of college students, the college apartment air drying article is re-considered...

A pot experiment was conducted to study the effects of soil application of selenium on the growth and selenium accumulation of different tomato varieties. The results showed that there were differences in the biomass, selenium content and selenium accumulation amount of tomato varieties. The biomass,...

Railway bridge with the warren type truss structure in the Sumatera region is an infrastructure has existed since the Dutch colonial era. Bridge is used as a mode transportation for natural resources of coal. The construction of railway bridge must always be monitored and evaluated for the feasibility...

Research is conducted to determine the chromium content in rice flour which is fermented with bakery’s yeast. The procedure involves several steps including sample preparation, fermentation, making crude bromelain enzymes, making YHE (Yeast Hydrolysate Enzymatic), and determining the chromium content....

The porous carbon materials were prepared by the following processes of evaporation induction self-assembly (EISA), thermal polymerization process and calcination step at high temperature with the nano-zinc oxide as a hard template and phenol resin as carbon source. The adsorption performance was investigated...

Based on the mathematical model of diesel engine, marine generator and load, the simulation operation has been run by MATLAB. The simulation system of ship power station is established by using the mixed programming technology of LabVIEW and MATLAB. The simulation operation results show that the generator...

For problems that there is common-mode voltage in non-isolation three-phase three-level V2G integration system, the common-mode equivalent model was established. Meanwhile, it revealed that DC link neutral-point potential imbalance would limit the effect of common-mode voltage suppression. The analysis...

The frequency hopping communication implements the communication in the process of continuous and irregular jumping frequency, widely used in military communications and civilian communications. At present, the research on the modeling and prediction of frequency hopping codes by using chaos analysis...

UHV equipment charged instructions plays a very important role for the maintenance of workers' personal safety. Low-voltage side usually use the electroscope, but there is no appropriate electroscope for the high-voltage side. As the voltage increases, the greater the safety distance is required, the...

The particle shape is a key factor in the strength and compatibility of granular material. To investigate the evolution of the particle shape of two kind of sands. The quartz sand from Fujian and the calcareous sand from the South China Sea, were chosen for ring shear tests. The sieving method and laser...

This article through the concept, function and basic content analysis method of software engineering, the application of software engineering method and related technology in the development of computer application system, so as to provide some technical reference for computer software development. Today,...

Phytodiversity of urban specially protected natural areas (SPNA) was studied using the city of Sevastopol (Crimean Peninsula) as a case study with specific focus on the Maximov’s Dacha Natural Park (83.9 hectares) (SPNA) situated in the Khomutova ravine on the site of the former estate. The levels of...

This study aims to determine the types of cocoa plants and family relationships that exist in Kampung Makian Village and Papaloang Village. The research method used a descriptive method by looking at the morphological markers of the cocoa plant as a diversity differentiator. The analysis used to determine...

The generation, development, and applications of modern organic analysis was introduced. Emphases are put on two parts: applications of modern organic and biological analysis to life science and pharmaceutical analysis; applications of modern organic and biological analysis to organic analytical sepa-...

This research discusses the prediction of flowability value, pressure strength and flexural strength on self-compacting concrete using fuzzy logic. Self–compacting concrete is one of the concretes that can compact itself without the need for a vibrator and compactor during the casting process. The flowability...

As campuses expand to accommodate growing student populations and evolving pedagogical needs, construction and renovation projects are frequently undertaken during active academic terms due to budget cycles, procurement requirements, and enrolment pressures. While these infrastructural upgrades enhance...

MT. Anggraini Excellent is one of the tankers owned by PT. Adovelin Raharja which has a dead weight of 2600 GT and has several tanks, most of which are cargo tanks, fresh water tanks, slop tanks and ballast tanks. In the implementation of loading and unloading activities, tanks and loading and unloading...

Electricity is one of the main needs that supports people in their activities. However, many people ignore the adverse effects of excessive use of electricity. Technological advances are growing rapidly, making it easier for people to do things remotely. One of them is an electronic device control system.Controlling...

Fused Deposition Modelling (FDM) 3D printing technology with PETG material has the potential to produce a strong face nose guard. However, mold quality is greatly affected by process parameters such as nozzle temperature, layer height, and printing speed. This study aims to analyze the effect of the...

To investigate the ECC’s resistance to tensile cracking, an examination centered on uniaxial tensile properties of ECC reinforced with PVA fibers was undertaken. This analysis encompassed an assessment of damage evolution, the profiling of tensile stress-strain responses, and the extraction of salient...

The reasonable determination of warehouse size in logistics park is crucial for improving logistics efficiency and reduce logistics cost and investment cost. This paper proposes the construction requirements and construction scale measurement methods of storage and distribution warehouse, futures warehouse,...

Stabilization of satellite attitude is the most important thing that should always be maintained during orbit. A model of satellite stillness controllers fairly stable against interference and simple has been developed. This is evidenced by testing models to control motion on the Z-axis. A Proportional...

Washing nuts is a crucial aspect in processing nuts to achieve the desired quality and cleanliness standards. Focusing on the nut washing machine as a key element is essential to achieve optimal production results. In developing this machine, the frame design is a key element, which must be able to withstand...

Based on finite difference time domain (FDTD) method, a monoaxial anisotropic perfectly matched layer was used as absorbing boundary condition, a gauss pulse signal with a bandwidth of 0-10GHz and a peak value of 1V was used as excite source, the impedance of microstrip was 50 , excitation signal source...

The paper presents the steps of calculating the stress-strain state of coal pillars by finite element method. The estimated area included the following blocks: the rock of roof and soil, coal pillar, broken-down rock, and the area of complete roof displacement. All the blocks were taken linearly deformable...

The safety of drinking water has a direct impact on human health. In this paper, indicators of organic matterin the water stayed overnight and the water flow in two of the most common kinds of pipe materials-galvanized steel and PPR are analyzed experimentally, which indicates that the concentrations...

When the quite different physical properties of coral sand from the land sand is found, many researcher have devoted themselves to investigating its mechanical properties. It is generally believed that there are many influence factors including content of carbonate, relative density, stress history,...

During the construction of rockfill dam, dry density is an important index of construction quality. Traditional dry density test pit sampling methods exist many drawbacks, such as time-consuming, laborious, the sampling rate is very low, representative data poor, etc. Surface waves non-destructive testing...

Abstract. To investigate the urinary calculi with tuberculous patients treated with minimally invasive percutaneous renal puncture lithotomy curative effect, safety and its complications, thus it can provide the effective solution for the treatment of patients with urinary calculi with tuberculous. Methods:...

Microwave pyrolysis is a new research method for deeply processing of low-rank coal. This paper conducted comparative study on microwave co-pyrolysis products of low-rank coal under CH4 and N2 atmosphere, respectively. The composition and content of tar and bluecoke were analyzed by gas chromatography-mass...

The adsorption of different cationic collectors on mica (001) surface is studied using molecular dynamics simulations. The relationship between structure and adsorption performance of collectors has been discussed. The MD simulations indicate that both the interaction strength and adsorption behavior...

Due to the high complexity and strong coupling of industrial circulating cooling water system, single and isolated technology can never fulfill the energy-saving need. Thus a system energy-saving theory named MOAR was proposed and explained with practice, including four principles: management of system...

Sustainable development puts forward new requirements on building technology, improve the level of housing industrialization and modernization is the important way to realize the green building, green construction. This article from the assembled structure of production assembly to the assembled structure...

The determination of C fractions in lab requires prior extraction steps that are laborious and time-consuming. Ozonation chemiluminescence can avoid the problem and has been successfully used to measure the C and N compounds in air or water, thus was proposed to determine C fractions of organic materials....

It is an important practice of constructing the harmonious campus and carrying out the "Scientific Outlook of Development", which is regarded as one of the important measures implemented by The Central Committee of China's Communist Party for the strategy of "rejuvenating China through science and education",...

With the constant development of economy in our country in recent years, the role of network technology in contemporary society has become more and more prominent. Network has become an indispensable important information tool for modern people's daily life and work, while cloud computing technology...

The information technology is spring up and never stop, meanwhile the empirical studies on the acceptance of information technology also have developed vigorously, so that the theoretical and empirical studies on technology acceptance model (TAM) have become the hot topic among the scholars at home and...

This paper summarizes and compares the current medical image segmentation algorithm based on FCM algorithm. Based on the summary of the existing research results, this paper further designs the correlation algorithm, in order to obtain better segmentation results and higher operating efficiency.

This study aims to predict demolition waste generation rate (DWGR) of the detached house by their types and materials when they are demolished. To achieve this objective, required data was collected based on material information of the buildings investigated before demolition. By using the established...

LTCC microwave component has small spacing between lines, the tiny deformation in sintering will affect the mechanical properties of components seriously. This paper established a 3D finite element simulation analysis model of the LTCC microwave component with micro-channels by using the software ABAQUS,...

As for the problem the image can be generated by computer software, so that we cannot recognize the authenticity of these images using our eyes. In this paper by analyzing the differences between photorealistic computer graphics and natural image on image texture, we put forward a photorealistic computer...

With the promotion of Micro-Blog’s influence, the influence of Micro-Blog public opinion has been continuously strengthened. Therefore, based on the low recognition rate of Micro-Blog sentiment words in the traditional basic sentiment dictionary, this study designed and used the Micro-Blog emotional...

The high-permeability Distributed Generation (DG) was connected to the power grid, so that the state estimation of the active distribution network(ADN) needs to consider the uncertainty of the DG output. In this paper, an interval state estimation method for active distribution network considering the...

This research is one of the studies that refers to the socio-economic conditions of the Bangka community, especially in the village of Riding Panjang. The purpose of this study was to explain the livelihood strategies applied by the community of Riding Panjang Village post tin. This is based on a variety...