Advances in Engineering Research

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...

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...

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...

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...

With the increasing of wind power installed capacity, the demand for power generation quality of wind power system is getting higher and higher. The magnitude of harmonic generation in wind power system plays a decisive role in the output power quality. Effective suppression of harmonics is a key indicator...

Excess fuel on board reduces payload and increases fuel burn. In order to reduce fuel consumption, the optimization of fuel policy is one of its technical. In this paper, a statistical method to fuel policy optimization with Minitab is studied. The QAR and flight plan data are used to analysis. As an...

This program mainly use the neurons in the main control board and six-axis acceleration sensor belong to Intel based on Arduino called Curie Nano to collect the gesture data. And after extracted the feature of these data, motion data training must be begun, then to recognize the relevant motion such...

In recent years, the wireless network technology has made great progress, including WiFi, WiMax, Bluetooth, ultra wide-band, 4G and so on. In order to reduce the interference between different wireless technologies and improve the utilization of wireless resources, this paper studies the unique characteristics...

According to the time-varying and nonlinear characteristics of rod-less pumping system with water as power, a fault identification method was put forward based on BP neural network. Through studying fault mechanism and vibration signal characteristics on pumping unit, the time and frequency domain feature...

The paper presents the core findings of a study aimed at therapeutic efficacy of domestic antiparasitics such as Inspector Total C and Helmimax on the basis of moxidectin used for etiotropic therapy and prevention of dirofilariasis in dogs. The dogs were infested by D. immitis and D. repens nematodes...

The article shows that more progressive strategies are those of the fourth generation maintenance and repair based on reliability and repair management (RCM/RBI analysis, riskoriented technologies) of technological equipment maintenance and repair (M&R) which have not found wide application in Russia....

Computer network information security is more and more attention in the national life, the reason: much important information is stored on the Internet, once these information leaks out will cause immeasurable losses. The network information will leak out, on the one hand, there are many invaders one...

The bio-oil from fast pyroysis of cornstalks was used as the substitute for phenol to synthesize resol resins as aln ideal candidate of wood adhesives. The effects of formaldehyde/phenol (F/P) molar ratios and bio-oil/phenol (O/P) weight ratios on rheology, thermal cure, thermal resistance and adhesion...

The recognition of critical nodes has important application value in the real world. On the one hand, it can improve the survivability of the network by improving their performance, on the other hand, they can also destroy some networks by deliberately attacking them. In this paper, DSF algorithm is...

For the geological disposal of high level radioactive waste, the repository boundary of fault zone may be an important channel for radionuclide migration to the biosphere. However, there are many problems in the field, such as the large area, complex geological body and limited drilling arrangement....

The paper expounds the design scheme of experimental platform, the serial storage module, LCD display interface, buzzer driving circuit and extend experimental performance of software experimental area was introduced in detail, put forward the innovative design for imaging electronics course teaching...

For the nonlinear robust control difficulty in the MIMO system, which has many uncertain parameters, the state extending and filtering robust control (SEFERC) is proposed. The uncertain nonlinear part of the MIMO is extend to the new state parameter and can be estimated. With the estimated value, combined...

With the development of railways and highways, the construction of the tunnel are increasing, then the number of tunnel fires is also increasing, resulting in a large number of casualties and economic losses. The research breakthrough point of the tunnel fire prevention measures are mainly in two aspects...

This study presents results of an experimental investigation conducted to investigate the axial compressive behavior of rope fiber reinforced polymer (RFRP) composite concrete. Natural fiber ropes such as coir, coconut and hemp ropes are easily available both in developing and developed countries. In...

In Indonesia, GHG emissions are expected to increase up to 1,751 MtCO2e in 2030. In parallel, as a response towards the Paris Agreement, the Indonesian government has made a commitment through NDC to reduce the carbon emissions by 2030. On the other hand, the Indonesian population continues to increase,...

The activated carbon (AC) electrodes were prepared by a two-step microwave-induced CO2 activation of OPS using bed temperature as control parameter. The electrochemical properties of the AC electrodes were investigated at room temperature by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD)...

The carbon market is growing in quantitative and qualitative ways as climate change becomes a reality. Particularly, forests are recognized as carbon sink by the United Nations, and its role is drawing more attention as a cost-effective way of mitigating climate change. In Korea, the forest carbon offset...

The portable generator is a type of power supply system that contains a battery to maintain power to provide power to electronics in the event of a power surge or outage. This paper presents energy management system for a portable generator uninterruptible power supply using LiFePO4 battery and smart...

The instability in compressive strength caused by variations in raw material gradation has emerged as a pressing challenge in dry-mixed concrete brick manufacturing. To achieve stable and enhanced compressive strength, this study focuses on granite aggregates used in dry-mixed concrete. Leveraging fractal...

The article is devoted to an overview of modern challenges and changes in the field of both the legislative framework and in matters of ensuring the energy efficiency of electric machines. The main methods of increasing the efficiency of electromechanical converters and new types of materials used in...

In 2021 the consumer complaint service at the Ministry of Trade in Indonesia recorded those 95.3% or 8,949 consumers made complaints in the e-commerce sector. This condition increased 10 times compared to the previous year. The results of a survey conducted by shopback found that 62.9% of consumers felt...

Aiming at the problems of different standards and incomplete index coverage of urban rail transit evaluation system, combined with relevant standards and norms at home and abroad, a service level evaluation index system was established from the perspective of the whole process of passenger urban rail...

Botswana is a semi-arid country hence encourages the growth and propagation of various vegetation including family Leguminosae (Fabaceae) such as Prosopis mesquite which was initially introduced in Botswana to combat desertification and provide fodder but has however become a problematic specie which...