Advances in Engineering Research

To solve the credibility and supervision lacking problem in the OTC warehouse receipt trading system, a scheme of using smart contract on the blockchain to implement the OTC warehouse receipt trading system is presented. As a distributed ledger, blockchain has the advantages of decentralization, irreversibility...

The aim of the learning process in this study was to help students find concepts on arithmetic sequence materials using the approach of Pendidikan Matematika Realistik Indonesia (PMRI) as well as produce a path of arithmetic sequence learning using PMRI approach. This research method was design research...

In the shipbuilding industry, subcontractors play a crucial role in the construction process because most types of work cannot be completed solely by the main contractor. Various specialized tasks require subcontractors with expertise in specific components while the new shipbuilding process is underway....

Municipal solid waste (MSW), a prevalent environmental concern, presents a significant energy harnessing opportunity. This study explores the gasification of MSW into a usable gaseous fuel utilizing a Dual Reactor Fluidized Bed, a thermal technology that transitions solid substrates into gases. The primary...

At a power station, the turbine experiences high sediment content and operates under complex and challenging conditions. It has been operating under unstable conditions for an extended period. The overflow components have suffered significant abrasion due to the combined effects of sediment abrasion...

The pull-out test is a methodology employed for the evaluation of various critical mechanical performance parameters of materials, and it holds significant importance in the realms of material selection, design, and quality control. In this study, the tensile testing standards were combined with the...

The concept of green building design is an approach focused on sustainability, energy efficiency, and environmental protection in architecture, which holds significant importance in contemporary society. This paper explores the application strategies of green building design concepts in modern architectural...

Drone technology is rapidly advancing in the field of robotics automation engineering. One of the main purposes of designing robots is to eliminate the risks associated with hazardous work that requires human involvement. The objective of this paper is to create an autonomous agricultural drone that...

Islamic boarding schools are one of the oldest educational institutions that cannot be ignored from the history and culture of Indonesia because it is proven that Islamic boarding schools have employees who are able to adapt to the times. In this digital transformation era, Islamic boarding school employees...

In this paper, a broadband and highly efficient reflective polarization converter based on Z-shaped metasurface is demonstrated at sub-terahertz (THz) frequencies. The polarizer can convert a linearly polarized (LP) wave to its cross-polarized wave at three resonant frequencies, which can also convert...

In order to increase the real-time process optimization, this paper proposes an online simulation based on unmanned CPP Propulsion intelligent control and system optimization method, mathematics model of adjustable pitch propeller is established, then based on MATLAB platform, using the simulation software...

This work is to study a novel hybrid energy-harvesting shock absorber for vehicle to provide the required damping function to reduce the vibration between vehicle and roads, as well as to reclaim vibration energy from automotive suspension system during driving. The hybrid energy-harvesting shock absorber...

Dyeing wastewater complex composition, color large organic pollutant concentration is very high, in the field of wastewater treatment is a kind of low biodegradability, biodegradation of industrial wastewater. Based on extensive research, printing and dyeing wastewater treatment method commonly used...

Recall the lost Malaysian flight MH370. To build a generic mathematical model that could assist "searchers" in planning a useful search for a lost plane feared to have crashed in open water. Our model has two parts, of which the first part is to find the location where the aircraft is more likely to...

The analysis of bearing structures of mining engineering buildings is conducted, the relationship between geometrically nonlinear FEM analysis and catastrophe theory in the dynamic fracture of facilities under static loading is shown.

In the using of materials, kinds of injury which is sometimes difficult to repair or too costly to repair may appear in the surface and interior, which will shorten the life of the materials. Self-healing technology can be used to improve material reliability and extend the service life, so composite...

Introduction:This paper introduced Rainfall simulation by using spray head, experimental study on power plant coal storage wastage produced by the influence of the rainfall.Discuss the different coal kinds, rainfall intensity ,rainfall time and the influence of coating agent on loss of coal.The results...

Based on the investigation data on cyanide in bottom waters in the bay mouth of Jiaozhou Bay in 1983, we analyzed the contents, pollution levels, and distributions of cyanide. Results showed that cyanide contents in bottom waters in 1983 were 0.02-0.34 g L-1, and were much lower than guide line of cyanide...

The modified γ-Al2O3 adsorbents were prepared by impregnation method has been studied for arsine (AsH3) removal efficiency. The results show that γ-Al2O3 modified with Cu(CH3COO)2 (denoted as Cu/Al2O3) is found to have markedly enhanced adsorption purification ability. In the adsorption purification...

The frequency estimation of sinusoidal signal based on discrete fourier transform (DFT) is investigated, which performance is caused to decline due to the error of interpolation direction when the signal frequency is close to quantized frequency of DFT. To solve this problem, a new algorithm without...

The effect of the nugget size from 2 mm to 8 mm in the lap zone of the adherend on the stress distribution in weld-bonded single lap DP 600 steel joint was investigated using elastic finite element method (FEM). The results from the numerical simulation show that the value of the peak stress along the...

In order to solve the crack problem of T-shaped welded tee in waste heat boiler of a LNG power plant, this paper proposed using the principle of fracture mechanics to analyze propagating crack quantitatively. Firstly, the stress distribution of T-shape welded pipe without structure default was analyzed....

According to the influence of traffic flow change on the selection of vehicle routing, to find a solution to the planning of travel routes in the situation that knowing the change of traffic flow. By using the method of particle swarm algorithm combined with dynamic programming to optimize the path of...

This paper proposes a conception of Nan Yin digital system to protect and inherit Nan Yin well and change the present situation of Nan Yin, which depends on people carriers by means of oral instruction and rote memory. The system includes four points inside: Nan Yin opern digital system, Nan Yin audio...

With the daily growing position of coast radar in the shore defense system, maintenance is more and more onerous. The traditional assurance mode is hard to meet the accurate and timely need. Learn from the advanced experience of foreign developed countries in the field of equipment maintenance support,...

Under the influence of marine environment such as wind, wave and current, the lifting movement in the vertical direction will be produced. Heave movement will not only affect normal operations, but also lead to serious safety accidents and environmental pollution. The research object of the technology...

Component identification is a key problem in software reuse. In order to obtain a set of business components (BCs) with high reuse value and good reuse performance to support reuse, a BC design method based on the cluster algorithm was proposed. Through analyzing existing business models, element composite...

Internetware is a new software paradigm evolved by the internet; it brings many challenges for the traditional software development techniques, especially for architecture engineering in the new paradigm. Self-adaptability is one of the most important capabilities and design goals of Internetware. Although...

In order to save the cost of logistics distribution company, the route optimization of logistics distribution vehicle scheduling and the time optimization problem in distribution processing are studied. The workflow of logistics distribution company is mainly divided into four parts: order transportation,...

Sentiment Analysis is a significant NLP task that focuses on identifying polarity (sentiment) and intention for an identifiable piece of textual data. Movie reviews are important in determining whether the movie is successful or unsuccessful. To analyze this unstructured data, we employ newly developed...

Conventional search systems used in enterprise settings often find it difficult to overcome the semantic gap between intention and document content on one hand within their information seek, hence making the process of information seeking to be inefficient and productivity low. At the same time, the...

The Internet of Things (IoT), which refers to a combination of devices, systems, and services, is a new concept that goes beyond machine-to-machine communications and contains advanced automation and integrated cyber-physical systems. Communication engineering is the basis of this transformation, providing...

With the increasing penetration of renewable energy, accurately assessing power output is crucial for grid stability and economic operation. Traditional forecasting models, however, are susceptible to outliers and often fail to reflect the true central tendency of power output. This paper presents a...

Local governments deliver essential public services, including civil registration, licensing, and social welfare programs. However, many processes remain manual and paper-based, resulting in prolonged service times, overcrowded queues, and increased operational costs. This study examines the development...

This paper applies citation analysis from the side of the e-Learning field. By using a systematic approach to literature through the adoption of the methodology used, the analysis is based on citation indexes from relevant journal citation reports related to the e-learning field and the publication period...

This study investigates community-level perceptions, lived experiences, and trust dynamics surrounding the deployment of electricity-smart metering systems in urban slums in Ghana. While smart meters are often championed as tools for efficient energy governance, their success depends not only on technical...

Rolling bearings is the basic connection parts of machinery, whose quality plays an irreplaceable role for the normal operation of machinery and equipment. Therefore, it is particularly important to make an evaluation of bearing quality. In this paper, factors affecting the machining precision of the...

Role analysis is a very important branch of complex network research, which tries to identify the node types with similar structures or functions. By extending the concept of topological potential, a role identification and analysis method based on weighted directed topological potentials in connection...

Scientific performance evaluation is an important basis for government decision. This paper established the performance evaluation index system of electric power industry based on environmental technology, and then, SE-DEA model, entropy weight TOPSIS model and factor analysis model are used to calculate...

Combined with the winter wind conditions in northeast China, three schemes are proposed to solve the problem of winter heating in the region. The three schemes of wind energy conversion directly into heat energy, wind energy compressed air heating and wind power heating are described, and the performance...

This paper introduces the structure stability of ACSR JL/G1A-630/45-45/7 and low pressure wire DFY- 630/45(90°)-R3.2 passing through the pulley under the condition of 25%RTS and envelope angle of 30 °.The diameter of the pulley is 20 times the diameter of the wire. Simulation analysis was carried out...

Though there are numerous traditional models to measure the search relevance of search engine, the evaluation results of existing models are not precise enough and difficult in operation in most of the cases. This article proposed a forecasting approach based on ensemble method to improve the precision...

An optimal stochastic problem of production scheduling for uncertain re-entrant assembly workshops (URAWs) was studied, in which the assembly process is repeated on the basis of quality inspection result and the number of repeats is uncertain. According to analysis of URAWs, a stochastic expected value...

HVDC XLPE cables were widely used in the transmission line for the excellent characteristics. The thermal aging properties of HVDC XLPE insulation were investigated in this work, based on different assessment techniques, such as IR Prestige-21 Infrared Spectrometer, Thermo-Gravimetric Analyzer, and X-Ray...

Due to the defects of existing fault location methods for multi-terminal transmission lines, such as the fault branches judgement algorithms are too complex to implement, a new fault location method based on phase comparison is presented. In this method, transmission lines are classified into branch...

To provide a method for manufacturers and retailers in choosing return policy in e-commerce environment, this paper builds a supply chain with one manufacturer and two retailers based on system dynamics which involves in manufacturing, purchasing, marketing and returning. By comparing the profits of...

In this paper, the author elaborated the definition of modern educational technology and characteristics of high school mathematics education, analyzed the mode and shortcomings of the Traditional Mathematics Teaching Mode in High School. And the authors also analyzed the advantages of applying modern...

PCDD/Fs and mercury are contaminants with high toxicity and heavy harm in power plants especially in waste incineration plants, and they could produce polychlorinated and mercury chloride based Dioxins under the environment of high temperature and high pressure. PeCDD, which replaces the positions of...

Laboratory experiments with silicone cylinders simulating flexible vegetation, the Acoustic Doppler velocimetry (ADV) measuring the flow field were performed to investigate the turbulence characteristics of open-channel flow with flexible vegetation. The results and analysis indicate that mean bulk velocity,...

To improve the efficacy of traditional medical image retrieval, this paper presents a new medical algorithm that uses discreet cosine transformation innovatively. This paper chose 42 pictures from upper torso CT images obtained from patients with hepatocellular carcinoma in Shengjing Hospital to serve...

Micron-sized monodisperse copolymer microspheres were prepared by dispersion copolymerization of styrene (St) and methyl methacrylate (MMA) in ethanol/water medium using 2,2'-azobis (isobutyronitrile) (AIBN) and poly (vinyl pyrrolidone) (PVP) as initiator and steric stabilizer, respectively. The effect...

The Wenchuan earthquake triggered a large number of landslides and collapses in the quake-hit areas, which left a tremendous amount of loose deposits on the slopes and on the valley bottoms. The debris flow pregnant environment has changed dramatically, making the hazard level of debris flow increased...

That organosilicon hydrophobic impregnating agents such as silane are coated on the reinforced concrete surface is one of anticorrosion measures of reinforced concrete. The penetrating depth of organosilicon hydrophobic impregnating agents in concrete is an important parameter for the durability of reinforced...

Co(OH)2 is a promising electrochemical material owing to its high theoretical specific capacitance, low cost and eco-friendliness. However, the poor conductivity hinders its application. In this work, 3D porous Co(OH)2/ErGO nanoflake vertically grown on the surface of Ni foam (NF) through a facile two-step...

In view of the problem of strong guide rod vibration and poor rust removal in the derusting process of the steel pipe inner wall rust-preventing guide rod of the coating production line , the structure of the guide rod was optimized and transformed. and the non-equal-section nesting structure was used...

The purpose of the article is to evaluate the approaches to topinambur dietary fibers and inulin utilization in production of emulsified meat products that favour the regulation of gastrointestinal tract processes. The methods based on maximal water and fats absorption and retention were used to evaluate...

In this paper, we introduce the definition of fractional calculus and prove the existence and uniqueness of the solution of fractional linear ordinary differential equation by using Laplace transform method, and give the description of transfer function and state equation. Fractional linearity and the...

In this paper, we study the hydrogen separation performance of bilayer graphene by molecular dynamics simulations. When the interlayer spacing between two grapheme sheets is larger than 5 , the impurities gas molecules can pass through the membrane. When the interlayer spacing is 5 , the permeance...

With agricultural waste corn cob, corn straw and sawdust as raw material, utilizing limited oxygen pyrolysis (400,500,600,700øC) of biochar. By NaOH and microwave modification, respectively by element analysis, Boehm titration method and scanning electron microscopy (sem) characterization of the composition...

Photovoltaic Power Control (PVPC) system is an integrated system that consists of photovoltaic grid-connected system and LCL filtering system. It is susceptible to power grid disturbance and external environment changes. Based on these characteristics of this system, this paper uses the auto-disturbance...

The need for bioethanol each year increases steadily while raw materials tend to decline, this is due to bioethanol raw materials, so sought after materials that can be regenerated, bamboo is one of the alternative raw materials, Bamboo has a cellulose content ranging from 42.4%-53.6%. The chemical process...

Indonesia is endemic for hepatitis B virus infection. However, the prevalence has decreased which might be contributd to national immunisation programme starting in 1997. As a protective effort, since 2014, Faculty of Medicine Universitas Riau (FK UNRI) has implemented mandatory hepatitis B vaccination...

The system on the computer can make everything run quickly and efficiently, so that it becomes a tool in information processing. One of the computer systems is an Artificial Neural Network (ANN). Along with technological advances, events that require computational models to perform speech recognition...

With the acceleration of urbanization, the quantity of tall buildings is increasing. The problem of cleaning is becoming more serious than before, so some traditional methods are less likely to be useful. As a result, window cleaning has become an essential section of the maintenance of homes and commercial...

Light hydrocarbons of C4 are very important raw materials in chemical production. However, due to the close physical properties between C4 light hydrocarbons, it is difficult to completely separate them. The covalent organic framework (COF) used for adsorption and separation of C4 is an alternative to...

The The basic purpose of this study was to determine the impact of machining parameters on the surface roughness of AISI 420 martensitic stainless during the CNC turning and develop a mathematical model. AISI 420 martensitic stainless steel was selected for machining with precise vibration-less machinery....

The application of cloud computing technology in the network technology has changed the operation of computer training teaching pattern. Considering on the situation of computer training course,this paper put forward the operation cloud computing technology to improve the current computer training platform,and...

The speech is always the most convenient, most natural way of communication. In this paper, the application of speech technology in the translation system is studied. First,brief the developments and basic theories of speech technology. Then make a deep research for application of Speech Recognition(SR),...

Due to a multitude of potential applications in safe interaction with human co-workers, soft robotic manipulators have attracted attention from researchers in recent years. However, it is difficult to model a soft robot because of the flexibility of soft materials, which has limited its applications....

Eight Capsicum annuum were studied for genetic diversity using ISSR markers. After screen of 30 ISSR primers, 21 pairs could amplify clear bands. And 382 bands were amplified by using above 21 pair of primers, of which 270 bands (70.6%) presented polymorphism. According to Nei and Li, the genetic similarity...

Take a vehicle mounted DMF(dual mass flywheel) drive system as an example, Inherent characteristics and response characteristics of automotive transmission system is calculated by the simulation software. The results show that reduce the stiffness K8 between DMF second quality and transmission gearbox...

Ad Hoc network is a multi-hop temporary self-organized system, which consists of a set of mobile terminal with the radio devices. Each mobile terminal is both a host and router performing route setup and packet forwarding according to a routing algorithm. Location-based routing algorithm eliminates the...

In this paper lithium polymer battery was regarded as the object and one battery model based on second order RC network battery model was established and the model parameters were identified. The parameters’ identification are verified.

According to the seismic tomography, the lithosphere formation of Kazakhstan has a plume origin. Kazakhstan in the Paleozoic was a separate continent and consisted of three concentric rings of bounded geometry sutures. The rings under the active influence of mantle plume made vertical movement and their...

Graphene is a kind of two dimensional material. Great attentions have been paid on graphene based components due to its perfect and mysterious electronic characteristics. Flexible supported graphene field effective transistor (GFET) were prepared, solution gated by an Ag/AgCl reference electrode in the...

Harmonic voltage of the concern bus in the power grid is the combinations of voltage contributions of each harmonic source. When the main harmonic sources are known to the system, how to distinguish the responsibility of these harmonic sources has important significance. This paper firstly established...

Energy-loss analysis refers to analyzing influence of some parameters deviated from targeted working condition on unit thermal economy during unit operation [1–3]. Coal consumption analysis aiming at thermal power unit controllable parameter changes aims at determining influence extent of controllable...

Spinel LiNi0.5Mn1.5O4 cathode has attracted considerable attention because of its high energy density and operating potential. However, current carbonate electrolytes cannot meet the demand of this high voltage cathode. Here, we demonstrate that fluoroethylene carbonate (FEC) substantially improve the...

Current methods of geotechnical data collection require the engineers and technicians to cover large areas of surface and underground excavations to take measurements and assess field conditions and ground support response. The analysis of this information is most often done in the office and correlations...

We explored the methods of extension evaluation method in the application of innovation ability measurement for university students. This paper used both statistical analysis and comprehensive evaluation analysis carried out by statistical analysis software SPSS19.0 and MATLAB7.0, aimed to study a evaluation...

Many natural signals, such as speech signal and biomedical signal, have significant temporal structure. This work is motivated that the majority of physiological signal mixtures show some degree of periodicity and statistical nonstationarity. In fact, the nonstationarity has testified itself to be variations...

Plenty of volatile organic compounds, inert gases, oxygen, carbon dioxide and other gases which are called as gas mixtures exist and mix in the upper space of liquid cargo tank owing to sloshing of oil tanker and heating of the crude oil in the liquid cargo tank. There will be potential risks of fires...

For the implementation of Russia’s State policy in animal husbandry, it is essential to seek reserves for fodder base. One of the largest producers of ingredients for high quality fodder is oil and fat industry manufacturing pomace and oil seed cakes as well as fats for food, feed and technical purposes....

A data acquisition system has been designed to capture the vibration signal for the engines. A test has been carried out for the vibration signal acquisition of piston knock and piston pin knock of 5.9L Cummins 6BT diesel engine. The test data has been processed by continuous wavelet transform. The scale-energy...

The mitigation of earthquake disasters in Shandong province are briefly introduced composition and function of the intellectual property system, as well as the project background, the demand of construction of the system. Intellectual property system is introduced based on the basic principle of Gpon...

The paper introduces the structure, composition, monitoring point arrangement, instrument use and information management system of the automatic monitoring system of Xianlin Reservoir.

This paper proposes a vertical farming model, by producing multi-layered plants that are stacked vertically. The research approach was carried out to obtain the technology used to achieve the goal of providing land at low cost, by utilizing the Internet of Things (IoT). The process of watering plants...

Against the backdrop of deep integration between construction industrialization and green building, high-end public buildings impose higher demands on the functionality, aesthetics, and construction efficiency of prefabricated composite curtain walls. This paper addresses common industry challenges such...

Using typical silt from the west bank of Qinghai Lake as the research object, we prepared silt specimens with Initial moisture contents of 21%, 24%, 27%. We investigated the effects of the freeze-thaw cycle times and the initial water content on the unconfined compressive strength of the silt through...

Heat exchangers are widely known in industry as one of the standard components in thermal systems. Numerous studies on heat exchangers have focused on design modifications, fluid variations, and diverse applications to enhance thermal performance. This research investigates the enhancement of heat transfer...

Ensuring road safety is a significant concern in Bangladesh, presenting substantial challenges for road engineering experts. This is evident from reports indicating that many people lose their lives daily in road crashes, with at-risk road users, such as pedestrians, motorcyclists, and passengers of...

In this note, we obtain a generalized of Young’s inequality for n numbers. From the inequality, we also get generalized of Hölder’s Inequality and Minkowski’s inequality for n terms. Furthermore result, some improvements of the generalized Young’s inequality for n numbers are discussed.

The use of digital fabrication for the field of food processing has been widely used both for process efficiency, improving food quality, product innovation, and special needs. The use of 3D printers to print food is a challenge for the food industry in the future, one of which is the chocolate industry....

Coal gangue is a kind of industrial waste bring in the production of coal and the stock pile is very large in China. These coal gangue dumps not only caused environmental pollution but also caused by the waste of re-sources. This paper studied on the preparation of porous ceramics by using coal gangue...

Splitting cracks were found in the three-directional pre-stressed aqueduct of a large scale diversion project in north China. Based on internal structural characteristics of the vertical wall of aqueduct, the Impact Imaging Method (IIM) was adopted for the detections of cracks distribution, seriousness...

Accumulation of heavy metals in aqueous environment has raised increasing concerns for public health. An alginate based biodegradable adsorbent was successfully developed for fast removal of heavy metals, and could adsorb 99.4% Cu(II) in 10 min when immersed in 10 mM Cu(II). Surface characteristics exhibited...

Nutrient enrichment has a great influence on the stability of producer species. However, in the presence of predators, its influence has not yet been studied. In this research, we build a food web model which coupled a classic nutrient competition model with a bio-energetic predator-prey model, and a...

In the complex components of aircraft roller bearing forming process, it is influenced by the surface mesh inducing factors, resulting in processing accuracy is not good, the error is large. An optimal roller bearing forming machining cutting method is proposed based on the internal tooth interference...

Established dissimilar metal iron and nickel resistance spot welding nugget formation temperature field mathematical model for the discretization of the finite difference method, using TFRSW numerical analysis software, data processing module based on MATLAB language, study the dissimilar metal welding...

In order to accurately control the wind plate, an experimental platform is built, each about two axial flow fan, PWM wave, wind control plate rotating around a fixed axis, with a high precision angular displacement sensor to measure the rotation angle of 0.1 degrees, high precision. The closed loop system...