Advances in Engineering Research

Thematic structures have been extensively studied for the powerful textual functions they display. This paper explores the cognitive mechanisms underlying the coherent functions of thematic structures in literary text with the application of Event-domain Cognitive Model (ECM). It has been found that...

In this study, we use the technology of ultrafiltration to separate the natural active peptides from milk, and optimize the conditions of ultrafiltration. The density of the natural bioactive peptides could be assayed through Biuret method. The results showed that the optimized separation conditions...

In order to plug water channeling of fractured tight oil reservoir, a new type of copolymer as the main agent is used for deep profile control and oil displacement. This copolymer is synthesized with modified cellulose and acrylamide, which has relatively lower viscosity and can meet the requirements...

Financialsystem exhibits a high degree of interdependence. Different typesof interconnections exist among financial agents, such as loanguarantees and cross share-holding. Financial contagion coulddiffuse along the interconnections and lead to wide spreadof risk. Thus how to effectively maintain the...

This paper analyzed the overall patent situation of global piezoelectric inkjet printing head technology, the layout of relevant technological field and the main competitive regions and applicants from the developed background of the global piezoelectric inkjet printing head technology. Based on the...

The currently popular Building Information Modeling technology is substantively a dynamic integration system between digital graphics and related information of structure engineering, where information can be updated with change of graphics. The concept, construction method, description standard, basic...

Based on the topological theory and MATLAB program, electrotopological state indexes (En) were calculated for 114 polycyclic aromatic sulfur heterocycles. A six-element regression model of quantitative structure-retention relationship (QSRR) for retention index (RI) as a function of En was constructed...

It is an important how to provide effective cost, high performance image block query and image block analysis for the design of WEB image server. To solve the above problems, this paper proposes a novel method to design and implement WEB image server. Like most modern WEB image server, the server stores...

To ensure trouble-free operation and lifetime of lithium-ion storage batteries (LISB) for spacecrafts, it is advisable to use bypass devices (BD) with a power element of a thermal drive made of smart material with shape memory effect (SME). The authors presented experimental results of the effect of...

Transient Recovery Voltage (TRV) requirements for UHV and EHV circuit breakers were investigated with the simple radial and meshed network models by CIGRE WG A3.28 and it was confirmed that the CIGRE network models could provide the TRV behaviours effectively using the system and equipment parameters...

Along with the accelerated development of urbanization process, makes many airports originally located in the outskirts begin to be gradually surrounded by city. How to renovation and reuse of the old airport effectively and reasonably, and alleviate the contradiction between the airport and urban development,...

For a valve controlled cylinder speed system with separate control of actuator ports, combining static operation point theory and load sensitivity technology, a new pressure control method is proposed. An optimal pressure based on command speed and load force was the input of pressure controller. At...

In order to reduce the equipment failure frequency and maintenance cost, equipment failure must be effectively predicted. Consider that the actual failure interval of equipments is to contribute to maintenance planning and scheduling, it is used to statistical analysis the failure trend. According to...

Magnetic properties and magnetocaloric effects (MCE) of the tetragonal (ThCr2Si2-type) PrFe2Ge2 compound are investigated. The compound is determined to be antiferromagnet with the Néel temperature TN=14.5 K and undergoes a transition towards an incommensurate modulated structure at 7 K. A field-induced...

Since the pattern recognition technology has been put forward in 1960s, it has attracted many researchers' in-depth exploration and research because of its great development potential. Over the years, the pattern recognition has made great progress in the field of face recognition, fatigue detection,...

This paper deduces the relationship between the frequency response and loads for a structure within the frequency domain, and puts forward a new method for identifying the random loads spectrum. Firstly, the response power spectrum of structural control points is calculated based on the white noise loads...

In conventional power flow calculation, the lines resistances are always assumed to be invariable, which does not conform to the actual. Resistances of transmission lines are changed with changes of external environment and power distribution. In this paper, a model of power flow calculation considering...

The hub bolt of the main wheel of a large civil aircraft is an important bearing part in the take-off and landing process of the aircraft. The bolt will be detected by fluorescence or magnetic powder in each tire disassembly process. It is found in the application that even if some bolts pass the magnetic...

The article describes the solution to the problem of reducing the wear of rails and wheels by creating new lubricant compositions for the lubrication of rails based on polymers and other waste products, which allows one to simultaneously solve, to a certain extent, the environmental problem consisting...

Tor hidden service allows the hidden service provider to provide TCP service without revealing its location, protecting the anonymity of both client and server at the same time. The length of the hidden service circuit is one time longer than normal Tor circuit. Although tor hidden service ensures the...

With the further advance of ocean research and the national security needs, the mooring data buoy has been widely used as an important part of ocean engineering high-tech research. How to deploy them in a convenient and economic way is very important. In the past, the deployment is often accomplished...

Cholesterol is one of the causes of coronary heart disease. The research objective is Assessing dosege of Sambiloto extract in reducing blood cholesterol levels rats (Rattus norvegicus) hypercholesterolemia. The research method is experimental, using Completely Randomized Design (CRD) 3 replications,...

a X-band microwave monolithic low-noise amplifer is presented in this paper. This LNA has been realized by 0.15um GaAs process.it exhibits high performance: over 8GHz~12GHz, power gain is above 20dB; the ripple variation of power gain is less than ±0.7dB; The 1dB compression point is more than 10dBm;...

Due to the lag of the curriculum systems and the difficulties in parallel programming, there are few national universities to provide high performance computing (HPC) or parallel computing courses for undergraduate students. With the arrival of the era of research with big data, many universities have...

Through the classification of the profiled insert in die-casting mould, the technological analysis of the blind cavity insert is carried out. It provides a general process for the CAM technician to design the insert machining program. Combined with CimatronE software, the processing ideas clearly show....

For high precision detection of hydraulic proportional solenoid valve pressure, sealing properties and steady pressure characteristic performance indexes, independently design a solenoid valve performance testing platform, which has a high level of automation. Its core based on PLC controller and touch...

Spherical plain bearings have the characteristics of self-adjusting and self-lubrication, they are widely used in defense, engineering and other fields. However, the spherical plain bearings are easy to fail in the process of work, and reasonable design seems to be very important. In order to save cost...

The interest of the community, especially MRT users to walk at the beginning or end of the journey to the MRT station is relatively low. The purpose of this study was to recognize the effect of changed preference attributes that affect the likelihood and distance of someone who will choose to walk compared...

This study aimed to investigate the effect of different concentration of virgin coconut oil to antioxidant activity, physical characteristics, and organoleptic of dark chocolate, and knows the best addition of virgin coconut oil on dark chocolate making. This study used a Completely Randomized Design...

Special Region of Yogyakarta is a province that is quite densely populated due to many migrants and domestic and foreign tourists visiting and settling in the province. This will have an impact on increasing land needs and meeting needs that can have an impact on declining environmental quality, one...

Wood is a material used by man to meet his life needs, both as building materials and other tools. Conditions as a construction component require large size, one that can be by making lamina wood. This study is the influence of lamina on physical properties, mechanical properties, healthy classes using...

High Voltage Transmission Tower is an important for distributing electrical energy in a large network. It is one of essential infrastructure in the modern life and should be maintained in high performance. In the event of earthquake, however, this structure may be damaged. This paper aims to evaluate...

Deformation properties including displacement is a key factor for determining accurate behavior of transport infrastructures. In this paper, two noncontact methods named 2D and 3D optical measurement methods were developed and tested to measure deformation properties of structures under static and dynamic...

Due to the fully prefabricated nature of the project’s steel truss, high precision control is required during installation. The existing BIM technology cannot account for the production and assembly errors of prefabricated components. A refined BIM+3D laser scanning method is proposed for steel bridges...

Colpomenia sinuosa plays an important role in marine ecosystem and biological resource utilization. The total length of mitochondrion genome was 39,055 bp in length and consists of a circular DNA molecule. The circular genome is composed of 66 genes, including 38 protein coding genes, 25 tRNA genes,...

Clay soil stabilization is one of the important efforts in the field of geotechnical engineering to improve soil characteristics, such as strength, bearing capacity, and resistance to damage. This study aims to compare the effectiveness of two clay soil stabilization methods: the lime stabilization and...

Hydropower remained one of the most promising renewable energy sources, particularly for rural and off-grid communities. Pico-hydro systems, typically with a capacity of less than 5 kW, offer an attractive solution for areas with limited access to electricity, with cross-flow turbines being widely applied...

Z-source inverters (ZSI) have been widely used in photovoltaic grid-connected applications because of their high efficiency and low cost. However, due to the lack of electrical isolation, such inverters are prone to leakage current (LC), affecting the safety and stability of the system. This paper reviews...

This study delves into the limit intrusion of retaining piles in deep foundation pits of subway stations, analyzing the bearing capacity after the removal of over-limit retaining piles. Drawing upon a specific engineering case, it proposes a systematic solution to address the intrusion of retaining piles...

The energy mix in 2024 is targeted to be 23% of total energy availability. At this time, the combination of coal and biomass is a priority to achieve the target. This paper describes coal combustion results and sawdust from the slagging and fouling employing XRD analysis. To guarantee co-firing is a...

Tetracycline hydrochloride (TC) is a tetracycline antibiotic characterized by a complex structure, prolonged persistence, and widespread environmental contamination. To address this, BiVO4 and CeO2 composite photocatalysts (BVC) were synthesized via high-temperature hydrothermal method for the degradation...

As heavily polluting enterprises prescribed by the Ministry of environmental protection, pharmaceutical enterprises should disclose environmental accounting information timely and accurately. But in practice the frequent environmental accident questioned the quality of the environmental accounting information....

In order to promote the movement inside tunnel robot in the cable tunnel and obstacle capability, designed a swing arm type crawler chassis, applied to the robot. The chassis adopts the modular design, assembly simple replacement maintenance convenience, enhances the terrain adaptability. Swing arm type...

Seed germination and germinated seedlings growth in sewage sludge were analyzed using acute and subchronic phytotoxicity assays, in order to explore the changes in sludge phytotoxicity during the combination of high-rate anaerobic digestion and aerobic composting. Results showed that compared with the...

To summarize the main technical features of the international heavy hydraulic scrap baling press, the technical characteristics of Y81-1000 type heavy oil-hydraulic scrap baling press made in China were mainly introduced. At the same time, the new design and development of this technical equipment were...

We tested 8 plants and 3 medium and tested perlite base, thus achieving the results. The green coverage for media S6 (perlite to sandy loam is 8:2) is suitable for Alpinia speciosa the best growth 1040.5cm², followed is Duranta repens the growth 675cm², with Portulaca grandiflora as the third growth...

In high precision three coordinates measuring machine in the process of measurement, dynamic error analysis has been improved measuring machine precision and speed is an important subject. Three coordinate measuring machine structure in the movement of the dynamic deformation of the theoretical points....

Aiming at the peak shaving and poor power quality issues resulted from the intermittent power sources, battery energy storage system (BESS) is generally a key distributed generation unit in microgrid. Therefore this paper presents a sizing optimization method for battery energy storage system in the...

The investment for distribution network construction is an important part of power grid construction. The establishment of analysis model for the investment and operational efficiency of distribution network construction is able to ensure the economic operation and reliability of power system, and has...

The mechanical property and wave velocity of fine sandstone after different high temperature such as 25 400 600 800 and 1000 , be test studied by the servo-controlled testing machine RMT-150B and ultrasonic nondestructive testing instrument TUA2000A. The test results show that: (1) the sensitivity of...

The objective of this paper is to propose a framework to assess and monitor the level of sustainability at the automotive supply chain, followed by its validation with a case study considering several companies from United Kingdom (UK).

In order to get parameter properties of rock mass, a series of representative unloading tests are carried on hard granite moonstone for that it is indispensable to get mechanical parameters and strength parameters for numerical simulation. In the unloading tests, the stress path of decreasing confining...

The evaluation model of university laboratory safety based on BP neural network is presented. By reference of the domestic research for laboratory safety evaluation and combining with of laboratory characteristics of Jinlin University, the safety evaluation index system of university laboratory is selected....

Floating raft vibration isolator (FRVI) is widely used in ship system. This study investigated effects of FRVI parameters on the overall performance of vibration isolation. Mechanical model of FRVI was established. Using the theory of admittance transmission power flow was deduced. The influence of FRVI...

Systematic error of digital measurement system (DSM) mainly exists in the analog measurement channels. The cause of systematic errors is circuit status and parameters of OPA, DAC and reference circuit which drift with changes in temperature and time deviate from the standard values. In this paper, firstly...

For this investigation cement–sand mortar and cement–water pastes were made with partial substitutions, relative to the weight of cement, of organic fibres for the purpose of restoring hydraulic concrete structures, damaged by diseases derived strength design. Five different proportions of dewatered...

In order to optimize Enzymatic Extraction barley polysaccharides parameters, the use of orthogonal test to optimize their processes, affecting the cellulase barley polysaccharide extracted five factors, the maximum temperature hydrolysis, the solid-liquid ratio on minimum. The impact of the extraction...

This paper mainly introduced the machatronic design of the 70Mpa 1600 tonne Incremental Launching system. Firstly, the 6 Degrees of Freedom adaptive mechanical launching device and its hydaulic system were described. Then, in order to properly statisfy the requirments of the launching function during...

In this paper, we investigate the effect of modulation rate on the energy efficiency of a two-hop communication system with the assistance of a half-duplex decode-and-forward (DF) relay, considering the given bit error rate (BER) and using the M-QAM modulation. First, we formulate the optimum model of...

Nowadays, computer network is widely used in many areas of daily life. 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...

The hot water flow method, which has been gradually applied, is very useful for Checking the Water Circuit within the Winding of Turbo Generator. Simulation tests are first shown in this paper at the beginning and the factors concerned with the tests are studied such as flow and temperature difference....

In order to optimize the process configuration design scheme, the trade-off evaluation for process configuration scheme based on reusability and validity was proposed. By comparative analysis between the configuration process technology and traditional process and referring to the method of product configuration...

In this paper, we study the consensus problem on small-world network with time delay. In particular, we give the sufficient condition of the consensus problem reaching consensus base on a rigorous spectral analysis for the Laplacian matrix of small-world networks. Closed-form upper bound for the spectral...

With the development of OCR techniques, people start to use image processing methods to analyze and process the image-type documents (typically scanned images) for obtaining the information of characters and the layout. On the other hand, table, draw relatively less attention in OCR even it is an important...

Indonesia faces challenges in its sustainable fisheries management. Various policies have been issued as the effort to solve this problem. One of which is the prohibition on the use of fishing gear called Cantrang. However, the policy received rejection from various parties. This study aims to identify...

The defect characteristics of the Be-doped GaSb and no-doped GaSb film grown on GaAs and GaSb substrate respectively were analysed by the method of molecular beam epitaxy (MBE), positron annihilation Doppler broadening spectroscopy (PADBS), X-ray diffraction spectra (XRD) and atomic force microscopy...

Seed size before storage can affect the performance of the seed after storage. Seed size correlates to energy reserves, and therefore an evaluation of the relationship between seed size and seed quality is needed. This paper discusses variations in the seed sizes of sixteen UNPAD sweet corn lines to...

Under the conditions of economic changes and transformation of social processes, modern society, entered on the path of sustainable development, has a special purpose - the organization of such a way of life, in which the preservation and enhancement of natural diversity will become an objective need...

This study aims to describe the learning process and the students’ self-regulated learning through the implementation of the problem-based learning model. The obtained data were analyzed using quantitative descriptive approach. Results showed that: (1) The implementation of problem-based learning model...

The twenty-first century is the era of big data. The rapid development of internet technology and the concepts of data mining, cloud storage, cloud computing and others are constantly emerging. While we enjoy science and technology, we must also face ethical thinking and legal challenges. While we use...

Travelling Salesman Problem (TSP) is a typical combinatorial optimization problem. The main idea of the problem is that given a number of cities and the distances between each city and tries to get the shortest path that visits each city exactly once and back to the starting point. This report introduces...

Contains a brief description of research Abstract: Alternative medicine using herbs has been very popular in Indonesia in the last few decades. Takka plants contain secondary metabolite compounds that can be used as medicinal materials, it is necessary to administer drought stress. The purpose of this...

During the current pandemic, a lot of work is affected. Including photographers. This phenomenon causes many photographers to be unable to earn income outside the home because activities outside the home are always limited and cannot be free. However, many photographers continue to carry out their hobbies...

The quantity of heat transferred through a connecting rod from two sources of different temperatures with time is proportional to the thermal conductivity of the substance. In this study, the experiment was conducted to determine the thermal conductivity of brass and 304 stainless steels by direct temperature...

Most bridges in Indonesia are not in good condition, and the number of collapsed national bridges is relatively high. In addition to poor maintenance, construction-related accidents during bridge projects are also frequently reported. Therefore, a system such as the Structural Health Monitoring System...

In many cities, public transportation is a lifeline for residents, providing an affordable and accessible means of travel. However, inefficiencies such as lack of real-time tracking, unclear seat availability, and insufficient route information often deter passengers from using government buses. These...

As the global implementation of fifth generation (5G) wireless technology nears completion, there is an escalating demand for enhanced network capabilities, including higher speeds, increased bandwidth, and greater data volume. Concurrently, the development of sixth generation (6G) networks is gaining...

TiO2, known for its low cost and natural abundance, is a prominent semiconductor utilized in photocatalysis and solar energy storage applications. However, the substantial energy gap of 3.2 eV restricts its capacity to absorb sunlight. Hydrogenation, by introducing an amorphous layer, enhances the capture...

The phenomenon of visual waste in Medan’s public spaces has increased significantly along with rapid urban and economic growth. The proliferation of billboards, banners, irregular murals, and excessive graphic elements creates visual clutter that reduces comfort and urban aesthetic identity. This study...

This paper presents the results of creep behavior experimental testing of FRP beam-strengthened concrete (RC) beams subjected to two different sustained loads. The specimen had dimensions of 400 mm(W) × 600 mm(D) × 6,000 mm(L) were used with or without externally strengthened FRP beam. Test results showed...

For complex, high-order processes with time-delay, this paper proposes a model reduction method based on a numerical optimization algorithm, and design combined integrating controller based on the reduced model, the controller is applied to the original model can get a good control effect. Model reduction...

The high cemented gangue backfill (HCGB) is prepared from coal gangue, fly ash, cement and water. The effects of curing period, slurry concentration, fly ash content and cement content on the uniaxial compressive strength (UCS) of HCGB were studied by single factor and multi-level test method. The results...

The nuclear magnetic resonance (NMR) method is introduced in order to make the test of crosslink density of composite solid propellant easier than traditional methods. The research status of mechanical properties of nuclear magnetic resonance and solid propellant is briefly introduced, so is the basic...

In order to improve energy efficiency and protect the environment, new energy vehicles have been developing vigorously. As one kind of the vehicles, CNG (Compressed Natural Gas) Automobiles and CNG & Electric hybrid cars have been accelerating promotion. However, the current CNG vehicles are reducing...

For the high shell side pressure drop of the traditional segmental baffled heat exchanger, a novel sextant fan baffled heat exchanger was put forward in this paper. The 3-dimensional physical model of the novel sextant fan baffled heat exchanger was built, CFD software was used to obtain detailed shell...

The calculation of finite length sequences of convolution sum and circular convolution plays a significant role in the courses of "signal and system" and "digital signal processing".This paper mainly introduces three kinds of the methods of solving the finite sequence of convolution and and circular...

With the popularity of computers, the Internet has entered the production and all aspects of social life, but the attendant problem of network security has become the focus of widespread concern. Network security situation awareness to effectively respond to network security issues provide a viable solution:...

Resistivity method is generally considered suitable for investigation of seepage problems in earthen embankments. Construction of a large embankment dam in Taiwan was recently completed, providing a good opportunity for ERT monitoring of the entire water filling process and future performance. The proposed...

This paper aims to recognize the tire tread pattern from DXF (Drawing Interchange Format) file and to analyze its basis feature. A DXF file analyzing algorithm is used to obtain the data according to the formulate of DXF; a feature analyzing approach based on Hu moment is utilized to compute the seven...

Phosphorus resources are non-renewable and difficult to replace natural resources, but also play an important role in the development of strategic resources in the world. However, this element which was once considered to be extremely rich in nature will become a scarce resource in the near future.This...

In the network environment, the significance of log monitoring lies in collecting resources and maintaining network security. This paper enumerates the log types in the network environment. Based on the illustration of flume structure, the design and implementation of log monitoring technology based...

In deep sea or temporary application, the floating breakwater should be best used to attenuate the surface wave. But the most difficulty of floating breakwater is to decrease long wave length wave. Bragg resonance condition appears while incident surface water wavelengths are approximately twice the...

As the global natural environment is on the slide, human have improved their cognition on natural enviro-nment changes in varying degrees in the aspects of enviro-nment attention, environmental awareness and enviro-nmental protection behavior. Since Adam Smith , the main-stream economists have regarded...

looking for energy saving, high efficiency, high ratio of performance to price of building materials as hollow no beam floor mould box has been structure designers attention hot spot. In recent years, the study of the pre embedding of the corresponding inner membrane, the domestic and foreign scholars...

The coordinating control of distributed power and smoothly grid-connected strategy is the key to well grid-connected. In this paper, a strategy of synchronous grid-connected control based on Kalman filter estimation is put forward. By calculating the difference between the previous and the present state,...

Biodegradable medical materials are widely used in the field of medicine, which mainly include biodegradable polymer materials, biodegradable ceramic materials, biological derivatives, biological hybrid materials etc. In this paper, we discuss the properties and applications of biodegradable medical...

Very low frequency (VLF) high voltage technique has been used to some extent in the past for the field test of XLPE power cables. Equipment available has used 0.1 Hz voltage having a variety of waveforms such as square waves, triangular waves, etc. This paper describes a novel laboratory test system...

The temperature control of the heating furnace has a great influence on the quality of the product. Too high temperature or too low will make the product disqualified. Based on a company's thermoforming machine, this paper analyzes the function of the heating system of the thermoforming machine in the...

Aimed at the problem in measuring the utility value of supply chain network in information sharing, this paper proposed a utility value model of supply chain network based on different information sharing strategies. Through the analysis of the research status of sharing information in supply chain at...

With the continuous maturity of block chain technology, its application is being carried out in the field of e-commerce. With the properties of disintermediation，strong security, traceability, transparency and non-tampering in the transaction， block chain technology can provide a perfect solution for...