Advances in Engineering Research

In order to determine the Olympic metal standing, this paper proposes a Verhulst model and a Grey Correlation Calculation model.. First, we select the Chinese perfermance from 1984 to 2016 as the research object. After data preprocessing for eliminating the influence of the host effect,we propose a Verhulst...

The research object of electricity marketing is electricity consumption market. It is of great significance for judging the trend of its development and guiding the decision maker to analyze the prosperity of electricity consumption market. This paper put forward an entire system from disposal to filter...

Reversible data hiding scheme can completely recover the original cover image after the embedded secret data have been correctly extracted, which has become a hot topic of data hiding. However, the embedding capacities of these existing reversible data hiding schemes are usually rather limited. In this...

The parameters of cassava mechanical properties are very important for the design, dynamic simulation and mathematical model of cassava harvester. In order to study the cassava stalks cutting force, stress, power indicators influencing factors, using WD-200B computer-controlled electronic universal testing...

Aluminum alloy is widely used in civil engineering because of the advantages of light weight and high strength. But the elastic modulus of aluminum alloy is only one-third of steel, and the deformation of aluminum alloy is more notable. Second-order nonlinear finite element analysis is performed to analyze...

Discussing Islam is inseparable from the figure of the Prophet Sallallaahu Alayhi Wasallam. His life history is the main attraction because it contains everything related to aspects of life governed by Islam. No exception in terms of government and the construction of the city of Medina, as one of the...

The spatial multimedia systems in the urban planning process is the latest innovation in urban planning and design activities. The development of this system aims to build the 3D spatial building information through online system, especially information on the spatial structuring of landscaping and historic...

The policy of 1+X certificate system has pointed out the way for the development of vocational education from the perspective of top-level design.Nowadays, the 1+X certificate system construction still exists the main organization construction and the communication mechanism is not perfect, which leads...

This study aims to: (1) obtain information on differences in result learning, students who use the project based learning model and the direct instruction model in DKTB, (2) answer the differences in result learning of participants students who have high motivation to learn, and students who have low...

Pectin, a biopolymer which is a natural additive, is widely used in various countries. In the food industries, it is used as a basis for functional food, including fat replacer. In Indonesia, however, pectin is still imported. Previous studies reported that pectin can be obtained through the extraction...

The use of biomass in co-firing in coal-fired power plants is one step to achieve the renewable energy mix target in Indonesia. Several aspects need considering to implement co-firing, including the slagging fouling aspect. It has the potential to interfere with process performance, reliability, and...

Forensic investigations frequently rely on facial sketches to identify individuals involved in criminal activities. However, since the human face is so diverse and variable, it is tough to predict the person from a forensic sketch expert’s sketch as they often lack realism and can be influenced by eyewitness...

In the digital era, sentiment analysis on social media has become increasingly important in understanding public perception of various issues. However, one of the main challenges in sentiment analysis is the issue of data imbalance, where one class (such as positive sentiment) may significantly outnumber...

The article is devoted to the current state of hydrogen economy and its prospects from the ecological and energy points of view. The article considers possibilities of applying hydrogen as efficient fuel for power boilers. The analysis of foreign experience in using hydrogen in power generation is considered....

Traffic congestion remains a formidable challenge in urban environments, significantly contributing to environmental degradation through increased emissions and inefficient energy use. Addressing this concern, our study explores the potential of traffic microsimulation for evaluating and enhancing urban...

This study summarizes the dynamics of urban expansion and urbanization in the recent 20 years in Khovd town, Khovd province of Mongolia. The study used fractal geometry to describe urban land use in Khovd using a geographic information system (GIS), and applied the relation of area and perimeter index...

Chainsaws are the most common piece of mechanized harvesting equipment used during logging operations, and their noise has a major negative impact on the health of the logging employees. The objectives of this study were to assess the noise level and noise effect of a chainsaw during felling and bucking...

Cities among other areas bear the brunt of the impact of climate-related disasters, especially cities that are located in the coastal zone. To build resilient cities, it is necessary to involve disaster risk reduction (DRR) in spatial planning (RTRW) because it has an essential role in both mitigation...

A mobile application for recording and calculating the ideal versine for the railroad curves maintenance program in the field is needed to help reduce time and effort in calculating. This study intended to create a smartphone-based application for railway curves versine and cant calculation to improve...

The rapid pace of urbanization and environmental challenges necessitates a paradigm shift in the construction industry. This fact drives the adoption of Artificial Intelligence (AI). Many researchers have conducted numerous studies. Still, there is a lack of a systematic review that includes optimizing...

An important step in analyzing information about brain images is image processing. Electromagnetic resonance imaging (MRI) images constitute essential details that the clinicians need to detect disease and make the suitable treatment. To improve the quality of the input images, image preprocessing is...

The increase in industrial activities that are not accompanied by adequate waste handling has led to a decrease in the quality of water used by the community. Therefore, a solution is needed that prioritizes the concept of a green economy, where waste can be processed into useful materials. One waste-based...

Response surface methods are widely used in reliability predictions due to their accuracy and simplicity. However, commonly used response surface methods have the following problems: 1) The fitting result is greatly affected by the number of terms in the final expression; 2) the existence of insensitive...

In order to reduce the impacts of wave on ship-mounted crane during operating the crane under rough weather conditions. A new type of shipboard crane telescopic sleeve anti-swing device was proposed. It uses the rigid constraints of the sleeve to reduce the swing range of the load, and through the universal...

Magnesium alloy has the great advantage of aluminum compared to other light alloy materials, so magnesium alloy is being carried out step by step in automotive applications and attracted attention of the automobile industry because of superior characteristics of recirculation replace previous material...

The phononic crystal (PC) has band gap characteristics, which can be used to design the band gap range by its microstructure, realizing the vibration suppression of specific frequency bands. Therefore, based on one-dimensional (1D) PCs, this paper proposes an approach to high-frequency vibration isolation...

This article is aimed to discover the effect of replacement rate of slag recycled aggregate on the compressive strength of recycled concrete. The slag has been crushed and sieved to regenerate recycled aggregate, than replaced the different ratio of natural aggregate with recycled aggregate in premixed...

Optical fiber sensing technology began in the mid-1970s, the earliest applied to the military side. Such as the US Navy with optical fiber sensor technology to monitor the structure of the ship submarine, and research and development of ultra-sensitive fiber Bragg grating sonar system; NASA with optical...

Abstract. Objective: To observe and explore the new adjuvant chemotherapy in patients with advanced ovarian cancer with tumour status, surgical effect and prognosis, the influence of provide a reference for clinical rational design of advanced ovarian cancer treatments. Methods: We select 32 cases in...

In 21st century, with the urban population increasing, conurbation is getting more and more crowed,traffic jam happens everywhere. In this case, utilization of the underground space has become an effective way to undertake this set of problems. Subway, a kind of urban underground transport, it is convenient,...

Linguistic variables usually take the form of a base term modified by a hedge in qualitative evaluations of multi criteria decision making problems. In this paper, the linguistic fuzzy rough set is presented to objectively model non-inclusive hedges, such as more or less and roughly, with semantics....

The PECVD (Plasma Enhanced Chemical Vapor Deposition) process chamber is dynamic sealed by the Multi-layer Linkage Sealing Mechanism, which is installed in front of process boxes. The leak rate attach uniformity requirement of process gas and RF flow distribution. Meanwhile, The efficiency of aSi/uc...

The present work had as main objectives to detect and analyse detonation vibration patterns and evaluate which ignition angle should be used for each angular velocity on the used engine.

Finite element model is presented by using software ABAQUS and used to carry out heat transfer analysis for tubular joints, and its reliability has been verified through comparison with reported experimental tests. Using transient and steady heat transfer theory, the critical temperatures of tubular...

Sludge bioflocculant was prepared from excess biological sludge by extraction method with dilute hydrochloric acid. A series of experiments were performed to investigate the flocculation efficiency of sludge bioflocculant towards starch and oily wastewater. The results indicated that the sludge bioflocculant...

The integrated sailing performance is important to the ship design and manufacture. However, it is very hard to be evaluated objectively and reasonably. In this paper the evaluation system of integrated sailing performance of ship’s was built which included seakeeping performance, wave loads, speed and...

This study have explored a method to obtain the airflow characteristics and the particle trajectories using CFD techniques and SST k- around a UAV. Numerical simulations of gas-phase turbulence physics at the flight speed of 20 and 40m/s and the altitude of 600 m have been carried out. DPM model simulated...

Based on questionnaire surveys and interviews in 6 typical security housing communities in Guangzhou, this paper analyzes residents’ satisfaction evaluation on property management and their choice willingness of management mode in different security housing communities. On this basis, uses logistic regression...

In this study, seaweed kelp as the raw material, the use of ultrasound-assisted method of extraction process kelp total polyphenols were discussed. Research on the single factor affecting the total polyphenol extraction: ultrasonic time, ultrasonic power, ultrasonic temperature, ethanol concentration....

Two-dimensional code technology has been applied to all aspects of production and life, such as auto parts production line tracking, product traceability, medical emergencies, e-commerce, media and tourism. However, these two-dimensional code application generally concentrated in record numbers, letters...

Clear the connotation and concept of equipment SoS and core support capabilities. Core support capabilities for the evaluation from the evaluation parameters and evaluation methods two aspects, analyzed characteristic and research progress on the core security capabilities systematically and summarized...

In recent years, the most commonly used method for the tap water disinfection is chlorination. However, a lot of disinfection byproducts (DBPs) with the nature of carcinogenicity, teratogenicity, mutagenicity can be produced as by-products in the process of chlorination. Therefore, DBPs would do great...

The STL (Standard Transform Language) file format has been the industry standard for Additive Manufacturing (AM) communities for last two decades. It falls short with the rapid development of AM related hardware and materials technologies. Kinds of alternatives to STL have been proposed. However, Massive...

By annealing PbTiO3 (PT) nanoparticles together with surfactants in NaCl flux, single-crystal PT nanorods were prepared with diameters of 60-80nm and lengths of several micrometers. The PT nanorods are in tetragonal phase and grow along the (100) direction. A first-order phase transition from tetragonal...

In order to realize the radar electromagnetic environment simulation, improve radar system combat effectiveness. A simulation system based on reverberation chamber concentrating on radar electromagnetic environment was proposed. The system was made by three processing center. According to the measured...

With the capture of Indonesian traditional fishermen by Malaysia without any clarity of violations as they operated in the grey area, Indonesia needs to act adequately and conduct legal protection. This is based on international agreement of UNCLOS 1982, which has been ratified by both Indonesia and...

The synthesis rate of 2- picolinic formic acid catalyzed by 2-methyl pyridine was studied to investigate the activity of mesoporous catalyst. The purpose is to prove that the mesoporous catalyst we used is a high performance heterogeneous catalyst. It was found that the amount of catalyst, reaction time,...

The increase of annual soybean import in Indonesia is attributed to the increase of national consumption and low production of soybean. This is mainly due to the decrease in soil fertility as a result of excessive use of synthetic fertilizer leading to the low soybean productivity and production. One...

To study the impacts of clean energy industry development on economic growth, we have established an econometric model based on the Cobb-Douglas production function. The methods mainly include the cointegration test, vector auto regression model (VAR), vector error correction model (VECM), Granger causality...

The challenge of education in Indonesia today is to guide students into a literate generation, a generation that is sensitive and concerned about the environment and issues that are happening. To be a human who has good information literacy, all we needs to be done is reading habits. Permendikbud No...

In this work, the zeolite A/activated carbon (A/AC) composite was synthesized from elutrilithe and pitch, and the removal of Cr3+ from aqueous solutions has been evaluated. The effects of batch experiment conditions, such as solution pH, contact time and initial concentration, on Cr3+ adsorption performances...

"Internet +" is the current stage of the main form of Internet economic development, the field of education also had a profound impact. The goal of computer education in higher vocational education is to establish a new theoretical teaching system and practical teaching system, as well as a system of...

To find an alternative method to replace the reverberation chamber method and the standing wave tube method in evaluating noise reduction effect, the damping characteristics of several low-noise asphalt pavements were studied by uniaxial unconfined dynamic repeated loading test. The correlation between...

In the modern society, the economic development of our country is moving rapidly and the material living standards of the people are constantly increasing. As a result, the power resources occupy an increasingly important position in people's daily life. However, because of this, people's daily life...

The objective of this study was to recover the iron from the iron ore tailing and convert it into a value-added products like -Fe2O3 nanoparticles with photocatalytic properties. Iron was extracted from the iron ore tailing by using acid leaching method and the leaching parameters were discussed. When...

This paper aims to identify factors influencing the walking speed of evacuees by conducting an evacuation drill in Padang, West Sumatera, Indonesia. A number of 18 volunteers and 6 observers, were gathered in an evacuation experiment on 3 routes with 5 segments each. The chosen routes are almost equal...

This article tells readers about the effectiveness of using online game on students’ English vocabulary enrichment. This is a quasi-experimental research which gives different treatment to experimental class and control class. Online game was used in the experimental class and conventional teaching media...

Considering sustainability in all stages of construction engineering is a need to protect environment, preserve natural resources and the earth for our own and future generations. An effective way to mitigate environmental impacts of the construction industry is the use of sustainable materials in construction....

In this research, an experimental investigation was carried out in the existence of gasoline on the Carbon Dioxide hydrate. This was done to replicate or Understanding the development of gas hydrates in multi-phase transmission pipelines. The experiments are conducted in a Rocking cell Gas hydrate reactor,...

The need for electrical energy has become a daily necessity for the entire community. In reality in the field, there are constraints that may occur in electric power distribution. One of the obstacles in the distribution of electricity is power losses. Power losses in the distribution of electricity...

The study site is located in the Sibaganding area of North Sumatra, which has complex geological conditions that form the background for this research. Sumatra is an island topographically oriented from northwest to southeast. The island is in the southwestern part of the Sunda Shelf, south of the Eurasian...

The extended service life of external insulation thin plastering systems is a common source of concerns in China. Although prefabricated concrete sandwich insulation walls are a superior option, they still have drawbacks, including high cost, inefficient production, and inefficient construction and installation....

The earthquake that occurred on April 10, 2021, with a magnitude of 6, was felt in several areas on the island of Java and Ampelgading and Tirtoyudo sub-districts are the most affected areas. Due to the impact caused by the earthquake, a method is needed to be able to reduce the destructive effects of...

The electrical properties of extruded bulk nanostructured samples of the Bi2Te2.7Se0.3 solid solution were studied in the temperature range of 77 ÷ 300 K and magnetic field strength up to74 x 104 A/m that did not undergo annealing after extrusion, and the same samples that underwent optimal annealing....

The increase in population resulted in an increased need for housing. Opening up land for housing development worsened runoff by reducing vegetation that covered the soil. The areas that underwent land clearing were at risk of experiencing a shortage of clean water supply for household needs during the...

Wingtip Vortices are a swirling vortex of air left by wings when it generates lift, but it also generates downwash that is the consequence of lift generation in three dimensions. Usually, winglets are used to alleviate this problem. But by observing and mimicking biological processes, many solutions...

The peel of melinjo (Gnetum gnemon) has potential as an anti-hyperuricemia. The content of flavonoids in the melinjo peel can inhibit the xanthine oxidase enzyme as a catalyst for the formation of uric acid compounds. The purpose of this study was to obtain the optimum extraction time and ethanol concentration...

In order to prevent fire from spreading in the inner space of buildings that can be divided into different fire compartments in line with specifications. A fire resisting shutter is a rolled up in the rotary axle box at ordinary times installed in the building fire protection compartments. The fire separator...

A new three Degree Of Freedom (3-DOF) parallel manipulator has been proposed in this study. Because the parallel manipulator has three Degree Of Freedom (DOF), one translation degree of freedom and two rotational degrees of freedom. The model is established by using UG 8.0 and The inverse kinematic analysis...

Description of probability distribution characteristics of wind power ramp events is always a challenge in grid-connected wind power operation analysis. In this paper, a moving ratio based approach of wind power ramp events is introduced and an probability model is described for the wind ramp events....

This research was carried out to investigate the effect of three factors related with cold-pressing technology including pressing temperature, moisture content and shell content on the acid value, moisture and volatile matter content and yield of peanut oil with method of orthogonal experiment of 3 factors...

The solvent extraction of iron ( ) from acidic chloride solutions by decanol in kerosene has been investigated. The solvent extraction results demonstrated that the dissolved iron was present as HFeCl4.2Decanol. Extraction of iron ( ) increased with increased hydrochloric acid concentration in the aqueous...

Energy issues are what Hu Jintao highly values, that’s why he develops his energy thoughts to be more systematic and comprehensive. To study Hu’s energy thoughts leaves a practical significance on the progress of energy generation as well as consumption revolution.

Main energy consumption of wireless sensor nodes is used to send and receive data. To take measures to reduce sending and receiving energy consumption of nodes plays an important role in decreasing energy consumption of the whole network. Researches show that: under the requirements of the same throughput,...

We encounter in real world large networks as diverse as neural networks, power grid, financial networks, friendship networks, Internet, WWW. These networks are commonly characterized by a large number of highly interconnected dynamical entities. They are so complex that they may give birth to many dynamic...

GPS has been more and more important in people's life, which can provide accurate positioning for us. However, under realistic conditions GPS signal is very weak, it is easy to be outside intentional and unintentional interference, and thus can't achieve good positioning. This article describes the basic...

This paper focuses on the design and manufacture of automatic temperature control and water supply of the boiler based on STC89C52RC MCU.The system can achieve the functions are: temperature control, liquid level control, voice broadcast and so on . Through the use of single-chip microcomputer to achieve...

WEB embed online platform, the main function of the information services, student management and access control of three modules. Since the open education students not at school, so that the information service is particularly important, information services are primarily teaching information services...

Near source time-domain electromagnetic field has the advantages of strong signal, great detection depth, and high accuracy, but according to the traditional transient electromagnetic field theory, the dipole approximation in near source zone will cause a bigger error. To carry out direct time-domain...

In order to solve the problem of frequent handoff in intelligent transportation networks, a novel blind handover technique is proposed. The technology is based on the vehicle moving route reported by the vehicle navigation system, generating the target cell database and handover trigger location database....

To study all kinds of elementary reactions at the level of gasoline hydrocarbon molecules has always been a core content of basic combustion research, but for a long time, studies often focus on the physical process in cylinder and don’t go deep into chemical details about the molecular structure and...

Baodian mine is gradually mining shallow area with thin bedrock, and failure height of overburden strata in shallow area has a certain difference from one of thick bedrock area. According to the measurement of “Two zones” in 5304-1top slice face and 5304 mechanized sublevel caving face, the paper confirms...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

Multiple buffers parallel-encryption technology uses multiple buffers, takes advantage of the data transfer bus and saves data transmission time. By keeping encryption chip been in working condition, can Improve the efficiency of encryption chip, and effectively improve the performance of cryptographic...

A ton of Portland cement (CP) generates about one tonne of CO2, accounting for 5% of all CO2 emissions in the world, which affects negatively the greenhouse effect. Developments relating to the use of bagasse ash (CBC) as a substitute for CP in making mortars are shown in this study.

Since the affectation of vulnerabilities and viruses, there will be a variety of security issues in the application process of computer network. In order to provide effective protection for computer network security, computer network security evaluation system should be established. This article will...

To establish a space finite element model of SPS steel orthotropic sandwich structure bridge panel and ordinary steel orthotropic bridge, compare the extreme value distribution and size of two orthotropic bridge decks under different stress states and the stress of the structures, and analyze the stress...

Matrix is commonly used in scientific computing and engineering calculation. We are not concerned about data itself in data-structures, but how to store the elements in it, and make all the operations run effectively. The main task of the compressed storage is make more of the same nonzero-elements share...

In order to analyse dynamic response of aerial work platform working device, a virtual prototype was established by using dynamics software of ADAMS. Got the force of joint between components with the change of luffing angle which was carried by the dynamic analysis of work divece. A practical method...

After analyzing the disadvantages of sensitivity to the initial selection of the center, low clustering accuracy and the poor global search ability of k-medoids clustering algorithm, a clustering algorithm based on improved artificial bee colony (ABC) is proposed. By improving the initialization of bee...

The article presents the results of studies to reduce the wear of rails and wheels by creating new lubricant compositions for the lubrication of rails based on the replacement of graphite with petroleum coke. Cheap components of the composition, easily accessible products or waste products are presented....

Gas acoustic spectrum represents properties of acoustic propagation, which can distinguish gas compositions. However in few existing methods of gas-composition-unknown recognition, the approaches of programmatically processing the acoustic spectrum curves have not yet been presented. We propose a method...

With the winning ratio, annual return rate and net profit rate as the management goals, the practicality of the RSI and MA expert systems for the software sector is analyzed. The winning rate of the RSI expert system is 54.05%, 1.35 times that of the MA expert system. The annual return rate and net profit...

The effects of intercropping with two ecotypes of Galinsoga parviflora and their post-grafting generations on quality of Lactuca sativa were investigated through pot experiment under the cadmium stress. The results showed that the intercropping treatment had no significant effect on soluble sugar content...

The development of information technology becomes very important for the development of science. The progress contributes to the delivery of this knowledge to consumers who in this case are the students. Thus, the development of information technology can provide a very significant contribution to learning....

In the identity-based cryptography, the user’s public key can be computed from her/his identity and the user’s secret key is generated by the key generation centre. However, the identity-based cryptography suffers from the key escrow problem, i.e. the key generation centre knows all user’s secret keys....

Relies on an intelligent agricultural experiment platform, designed and developed an intelligent agricultural monitoring system based on the Android system, making mobile Internet technology applied to traditional agriculture, allowing growers monitor environmental factors in agricultural production...

We put forward the relationship framework of knowledge sharing and value creating in the virtual organization, based on the analysis of the driving factors and the synergistic effect of knowledge sharing. According to the organization resources, expected return and the knowledge sharing behavior in the...

Single image defogging is a challenging ill-posed problem. Current image defogging methods usually get defogging solutions based on various priors or assumption, which is hardly satisfied in practice. In this paper, a single image defogging method based on deep learning is proposed, in which the priors...

Family violence occurs among family members, by beating, binding, confinement, mutilation or other means of family members to lead to the injury and destructionfrom the aspects of body, spirit and others. Crisis intervention should try to compare the current status of the current situation with the level...