Advances in Engineering Research

Compared with traditional steel materials, sandwich panel has been widely applied in underwater vehicle structure because of the high specific strength, excellent acoustic performance and strong design ability. Based on the acoustical-solid coupling finite element method, the vibration and acoustic radiation...

The fruit of kiwi is rich in nutrients and is deeply loved by people. However, the storage period is not long, and the shelf period is short and easy to be soft. In this experiment, the effects of ascorbic acid on the post-harvest storage of kiwifruit were studied by measuring the quality of the fruit...

This cold-rolling simulator is mainly used for exploitation of new productions and research for new technique. The execution system of this cold-rolling simulator includes hydraulic drive system and electric drive system. The features, such as multivariable, nonlinear, real-time, and high-speed, set...

Motorcycles as a mode of transportation its use continues to increase in the Surabaya City. One of the negative impacts is motorcycle accidents to increase. Based on IRSMS data are the involvement of motorcycles in the accidents of 82.6% (2,490 motorcycle accidents out of 3,014 accidents in Surabaya...

An intersection is a place where traffic congestion from each arm always happens. In Yogyakarta, one of intersections having the traffic congestion at peak hours is at Kentungan Intersection. The traffic congestion mostly occurs by high volume of vehicles exceeding the intersection capacity. Commonly,...

A research aims to determine irrigation system and rice varieties that have the highest physiological growth and yield and to examine an interaction between plant varieties and irrigation systems on growth physiology and yield of rice plants. It was conducted at the Faculty of Agriculture, Universias...

In this paper, the daylight of an underground transportation hub in Tianjin is studied by using the method of numerical simulation. It can be seen from the numerical simulation results that the average illumination in the waiting halls is 3 620.64, 4 497.60 and 2 178.97 lx in the vernal equinox and autumn...

Based on the analysis of studies in domestic and abroad practice it is defined that the accumulated experience is a subject to significant adjustment in conditions of new Kuzbass coal deposits (Erunakovskoe, Kazankovskoe and others.). There is a comparison between the obtained measurements of the manifestation...

The fresh water snails found in the swamp waters of South Kalimantan, there are two variants. The first is greenish or brownish with three brownish lines surrounding the shell (Pomacea glauca) called the kalambuai (Banjar) and the second is golden yellow with the shell thinner and transparent and has...

The attributes reduction of incomplete interval-valued information system is a popular research topic in recent years. How to conduct efficient and quick attribute reduction is the target of many scholars. Based on the existing research work, with mean substitution, this paper tries to impute the incomplete...

Currently, the Periodic Test Surveillance has too much test items with different importance, and there is no different management requirement for the test items with different safety affect. The method described in this article can divided these test items in importance(mark A) and non-importance (mark...

The drainage consolidation method is widely used in the soft ground to increase its strength and decrease its deformation. One of the difficulties in the calculation of drainage consolidation is the simulation of the vertical drains. The common method is the equivalent transferring method from the axial-symmetric...

This paper aims to design the H∞ controller for continuous Markovian jump systems with distributed delay. First, a new integral inequality is proposed. Next, based on the constructed Lyapunov functional, the new introduced inequality is used to investigate the delay-dependent stability condition for...

In recent years, most cities have realized urban central heating, but also built their own intelligent heating networks. However, there are still many problems in the control and management of heating network. In this paper, through the advanced Android system, an intelligent heating monitoring system...

The Island of Wanci consists of unproductive lands whose area continuously increases, and therefore, integrated planning is required. A 4-month soil suitability evaluation for plantation crops was carried out in the District of South Wangi-Wangi using a structured survey method with an inter grid distance...

Carbon capture, utilization, and storage (CCUS), has been deemed an essential component for climate change mitigation. Commercialization of CCUS requires an efficient transportation method of the captured carbon dioxide (CO2). Previous works have investigated the technological aspects for conventional...

The electrical resistivity of soil is its ability to oppose the passage of electric current through soil. It plays a vital role in various engineering ap-plications such as determining soil corrosivity, designing grounding systems, etc. Organic clay is abundant in many places of the world, and sometimes...

Based on the simplified model of symmetrical three adjacent structures interconnected by Kelvin-modeled dampers, the influences of connecting parameters, i.e., stiffness and damping, on the structural seismic responses are investigated numerically. Taking the structural vibration energy as the optimization...

The increasing discharge of dye-containing wastewater, particularly from the textile industry, poses serious environmental and health hazards due to the persistence, toxicity, and carcinogenic nature of many dye compounds. Conventional treatment methods often fall short in terms of efficiency, cost,...

Accurate classification of manufactured and natural sand, a key natural sand substitute, is vital for controlling concrete performance. This study proposes a machine - learning - based sand classification method. By extracting sand particles’ morphological features (length /width ratio × roundness),...

China ranks as the third-largest country in terms of the distribution area of perennial frozen rock in the world. Perennial frozen rock poses a significant constraint on ground transportation extending to high-altitude or high-latitude frigid regions. This paper takes the blasting construction at the...

Atomic layer deposition (ALD) technology, based on self-limiting surface reaction mechanisms, can precisely control film growth at the atomic scale and has gradually become a key process in semiconductor manufacturing. This article starts from the basic theory of ALD, compares its differences with traditional...

The design inspiration for grout free self-locking blockscomes from the principle of “building blocks” in traditional masonry. No professional masonry techniques or bonding materials are required. Simply stack the blocks in the prescribed manner to create a sturdy wall structure. This article is based...

NiO is a potentially electroactive material for energy storage applications. However, its poor electrical conductivity and low ionic transport properties have restricted its potential for supercapacitor applications. To overcome the problems doping with metal elements and making RGO composite is a possible...

This article considers the stability problem of a class of coupled differential-Functional equations (CDFEs) with multiple delays via the discretized Lyapunov-Krasovskii functional (LKF) approach. The system discussed contains both distributed delays known and discrete delays unknown, a LKF with two...

The numerical simulation method was used to investigate the flow past a single cylinder. The flow field structure and the characteristic parameters of the cylindrical surface were analyzed by large eddy simulation. The numerical results show that the calculation of the length of the recirculation zone...

By using core, slice, Scanning Electron Microscope, high pressure mercury injection and physical property data, this paper analyzes the lithology, pore structure, fracture and physical property characteristics, classifies the reservoir types of Chang 6 oil-bearing formation in Yuekou area. The results...

The article deals with the research of the pressures originate inside the cooling system and also in the mould cavity during the injection moulding process. The reason for this research is the fact that the wear on the injection device reduces with the decreasing of pressure in the mould cavity during...

Super/sub-critical water oxidation technology has been utilized to treat sewage sludge in the study. Heavy metal content and characteristics of leaching toxicity in the reaction effluent have been investigated in detail, and then the relationship between the microstructure of sludge residue and immobilization...

An analysis of strength, weakness, opportunity, and threat (SWOT) was conducted to compare the management of crop straw using three different disposal methods including traditional household energy utilization, biomass briquette technology and biochar technology. The results indicated that the biomass...

Swell-shrinkage, crack growth and over-consolidation are the main characteristics of expansive soil, and it is an over-consolidation soil undergone drying-wetting cycles. So there may be some faults to analyze expansive soil slope stability adopting the traditional strength criterion and calculation...

Manganese (Mn) is known to be essential for maintaining the proper function and regulation of many biochemical. To investigate the toxicity of Mn on bird brains, 50-day-old cocks were fed either a commercial diet or a Mn-supplemented diet. the following were determined: Mn concentration, Ca2+ concentration,...

Methyl methacrylate was used as a main monomer in this paper. Firstly poly(methyl methacrylate) (PMMA) was synthesized by bulk polymerization of methyl methacrylate(MMA) in mold. Subsequently MMA was copolymerized with acrylonitrile (AN) and styrene (St) respectively in mold. The as-prepared products...

Gear boxes and direct-drive systems are commonly used in the transmission of large wind turbines. The components such as blades, rotor, gear box and the generator should be set up coaxially in the nacelle. Thus, the total weights of the nacelle increases with the size of the wind turbines. This research...

Cd1-xZnxS thin films were deposited by Chemical Bath Deposition (CBD) in aqueous medium onto bare silicon glass substrates, The synthesized thin films were characterized by UV-Visible spectrophotometer for optical studies. The energy band gap of Cd1-xZnxS thin films deposited for different reagent concentration...

Coalescence effect of the surface disposal devices is greatly impacted by the large amount of aging oil because of its complicated interfacial properties, which heavily affects oil production. The typical aging oil properties are evaluated, interfacial properties and the causes of formation are discussed...

This paper realizes cooperative modeling between intelligent substation and dispatch center based on IEC 61850 standard. The functions of the System Configuration Utility of Substation Automation System is regulated; The equipment and signal description in SCD file is regulated and expanded. The measuring...

Variable-speed fans are employed to support cold source for direct air-cooled units, and their speed regulation can ensure continuous control of condenser pressure and turbine power. The condenser pressure closed-loop control system is, on the basis of safe regulation, designed to ensure the unit changing...

Optimization of machining parameters has great concerned in manufacturing environments, there for in this study cutting force and surface roughness are optimized based on machining parameters. Many researchers have established the relationship between the surface roughness and machining parameters, but...

The objective of this paper is to investigate a hybrid threshold denoising algorithm based on wavelet transform for the ultrasonic liver image. A novel hybrid threshold function first is discussed. The hybrid threshold denoising algorithm based on the wavelet transform is then performed for ultrasound...

The DTII (K) belt conveyor is a general series of products, and the machine frame legs can be classified as type I legs and type II legs. Using Visual Basic 6.0 as the development platform, taking secondary development on the SolidWorks software, the dimension driving method and the programming design...

P and PI control methods are widely used in the closed-loop con-trol of the inverters in various power electronic equipment. How-ever, PID control method is barely adopted. In this paper, from an in-depth analysis of the operation and control processes of pulse width modulation (PWM) inverter, it is...

In this article we study the influence of weld defects on vibrating responses using a simplified numerical model--flat butt plate with a type-I welded joint. To analyze the changes in vibrating responses influenced by weld defects, a method based on cross correlation function amplitude vector (CorV)...

Based on a eddy current transducer (ECT), a probe has been designed to research metal–dielectric structures (MDS). A scheme that uses a computer as a generator and receiver of signals from windings is proposed. The measurement procedure allowing one to detect defects in laminate composites with a high...

this research aims to produce a valid teaching material. The developed teaching materials used inquiry learning model integrated with STEM to trill students' critical thinking skills on Thermochemistry topic. The specifications of product included the syllabus, lesson plan, Student Worksheet, Student...

With nearly thirty-year rapid development, contradiction of the demand of sustainable and sound development of agricultural park and limited land supply becomes especially obvious. The article takes the modern agricultural park in Pengxi County, Sichuan Province as an example. Establish the evaluation...

When exploiting large-scale ore-body, stability of panel pillars is the key to stability of structural support mechanical system of ore pillar-surrounding rock. It concerns the mining sequence of the ore-body, parameters of stope structure, and is a problem that must be considered to some mines of safety...

condition, the State Grid Xuancheng Guquan + 1100kw converter of embankment slope

In order to improve the real-time and accuracy of forest fire detection, this article has researched to the imaging characteristics of flame and smoke under visible light. According to the forest environment with complex space and various interference, this article puts forward a fire detection algorithm...

This paper uses the system dynamics to study the influence of human resources on the production capacity of manufacturing enterprises, draw the causal circuit diagram, construct the flow stock chart model, and uses Vensim software to simulate the model.Through the analysis of simulation results, it is...

The usage of infinite-rotate servos has been pervasive in 3D robot assembling. Hardware companies have been providing expensive infinite-rotate servos for years. But considering limited fund of individual 3D-printed robot project, existing infinite-rotate servos in market are too expensive. This paper...

The last stage canal is the last channel to transport water to the field irrigation in irrigation system. Because of the large number of last stage channels, reducing the loss of water transportation plays an important role in improving the water use efficiency of irrigation area. At present, most of...

The eco-compensation mechanism can help alleviate the contradiction between economic-social development and water conservation as well as promote the transformation of economic development mode and the sustained sound development of economic society. In this study, the eco-compensation practices of five...

Lemah Abang - Bandungan Road is an accident-prone area with high speed characteristics. In fact, there is no speed management devices available. Therefore, it is necessary to implement speed management devices with their simulations to reduce the vehicle speed. There were 2 types of devices simulated,...

Jambi is a unique province in Indonesia that has a diverse climate and natural resources to improve the yield of many commodities like corn. In terms of improving domestic corn and decreasing production loss, more producers apply high portions of un-organic fertilizers, and pesticides, with not thinking...

The purpose of this study was to establish a strong culpability decision and implement Just Culture in organizations. The research methodology was based on a quantitative questionnaire that contained a variety of questions and statements related to the role of Just Culture, with an emphasis on safety...

Industrial estate development is vital in improving the regional economy by supporting industrial activities and providing adequate infrastructure. In Balikpapan City, infrastructure needs are the main focus in accelerating industrial growth and supporting various strategic industrial sectors. Therefore,...

Technological developments cannot be separated from the use of energy to power electronic devices. An electronic device that acts as a store of electric charge (energy) is a capacitor. The capacitor component consists of 2 metal plates separated by a dielectric layer; each plate is given an electrode....

In its development, heavy equipment engines produced today have four valves in each cylinder (two intake valves and two exhaust valves). With the increasing number of valves in each cylinder, the process of replacing and compacting the valves will require time and labor. Therefore, we need a tool to...

A Good drilling plan is essential to minimize the risk of well failure. Casing design plays a crucial role in determining a well’s ability to withstand subsurface conditions and sustain production over an extended period. This research aims to provide user-friendly access to casing design planning through...

This study aims to determine the effect of adding the Silicon Carbide (SiC) to aluminum scrap on impact strength and microstructure using powder metallurgy (sintering) method. The materials used in this research are aluminum scrap and silicon carbide (SiC). There are three variations of the mixture,...

Intravenous treatment has become a common platform to administer fluids into the bloodstream that can address various problems like dehydration, skin burns etc. Venipuncture is not easy on everyone as the patients can be anyone from infants to old age, physically unstable to abnormal candidates. Also,...

This paper primarily explores the application of big data technology in inventory management, focusing on three main aspects: product demand forecasting, inventory optimization, and real-time inventory monitoring. Big data technology enables precise product demand predictions and inventory optimization,...

Based on the investigation of poor college students in cultivating and practicing the socialist core values, this paper proposes to build cycle paths of cultivating and practicing the socialist core values which mean from consciousness internalizing to behavior externalizing, and then to enhance idea...

The structures, elastic anisotropy, toughness, and Debye temperature of the Al-Ni crystal are analyzed by using the density functional theory: PW91. The results show that AlNi is the most anisotropic of all phase, and the Al3Ni2 is the most isotropic of all phase. In addition to Al3Ni and Al3Ni2 are...

This paper introduces the effect factors of flood damage of highway upper slope in mountainous areas, predicting model and main points of identification technique. Combining with the application example of north mountainous area by Jizhou District ,shows the method's validity and practicability.

In order to explore the influence mechanism of micropores on the stress concentration of 2219 aluminum alloy welds,2219 aluminum alloy was selected as the research object in this paper, and establishes the finite element model of single hole and double hole based on ANSYS finite element analysis software....

With the development of computer, the function of database is more and more important. According to the needs of computer performance and practical application, the establishment and access of database are different. This paper discusses the methods of direct establishment and indirect establishment...

Nowadays more than 10,000 different types of medical devices can be found in hospitals. In this way, medical electrical equipment is being employed in a wide variety of fields in medical sciences with different physiological effects and measurements. Hospitals and medical centers must ensure that their...

To take 1 single capacity 58MW pulverized coal fired hot water boiler manufactured by Shanxi Lantian Environmental Protection Equipment Co., Ltd as research object, by using FLUENT fluid calculation software to carry out numerical simulation calculation on the velocity field, temperature field, the concentration...

DC grid has been treated as a viable solution to solve green-house effect and reduce the cost of fossil fuels. Compared with AC grid, DC grid shows many inherent advantages, such as high efficiency power delivery, less expensive to deploy and no need for phase and frequency synchronization. However,...

The determination of material traces is to meet the needs of the Subsequent production process and conveyor boom exciting force dynamics calculations. According to the conveyor’s performance parameters, the thickness of the material layer can be known, in the course of calculating material traces; By...

Seven representative empirical potential evapotranspiration equations selected form the radiation-based and temperature-based methods, they were evaluated and compared with the Penman-Montieth equation using daily meteorological data form Mizhi station in north of Shanxi. The comparison was first made...

Cutting analysis and form-finding analysis are two key problems in the design of membrane structure. In the traditional analysis, the cutting lines are not considered in the form-finding analysis, but structural damages often emerged from these locations. So the form-finding analysis including the cutting...

Microstructural changes in GH4169 alloy due to changes in annealing temperature are characterized by ultrasonic pulse-echo technique and optical microscopy. According to differential thermal analysis, the phase-transition temperature of GH4169 is 1022 . GH4169 alloy are heat treated at different temperature...

Health Management System as a methodology can contribute safety and economics to the modern complex system. According to the OSA-CBM architecture, an open and configurable knowledge management system is proposed in this paper. Through the ontology modeling of the domain knowledge, building the related...

Space two-dimensional turntable is the main load-bearing structure of space photoelectric detection equipment, and collimation frame is the key support component of turntable, so its stiffness characteristics are vital for the performance of turntable. Therefore, the structure of collimation frame was...

Fishpass, an effective way providing passage for fish swimming by connecting upstream and downstream flow, has been used as an important measure of fish protection on hydropower and navigation power junction project construction. However, due to the lack of awareness, funding, operation management and...

The effects of fly ash, lime, alkali activator and styrene-acrylic emulsion on the compressive strength and flexural strength of fly ash cement were studied in this paper. The results show that the addition of fly ash can improve the workability of mortar, but it will reduce the strength of the material....

Through the error from feedback of classroom teaching system ,based on the analysis and judgment of the intelligence system, the system can provide the cause of the error for students, and automatically push the error corresponding after-school classroom exercises , enhance learning relevance and learning...

According to principles of aero-engine fault diagnosis and flight data,this paper introduces a fault diagnosis method based on reformative ART1 neural network.After data pretreatment,it uses four-circumscription and quadratic-estimation to build fault codes and eliminate inveracious fault,and also ameliorate...

Evaluation of ecological benefit of sea area utilization is an important technology for decision support in marine spatial planning process. In this paper, a model of ecological benefit evaluation of marine based on lattice marine units is developed, in which the spatial data processing flow and non-spatial...

The actual problem is the outage of rails in the continuous path made by electric contact welding. Among the main causes of the outages are defects of contact-fatigue origin, buckling, wear, and thermomechanical damage. A possibility to use electric arc surfacing to repair defective rails is analyzed.

In our research, 27-29% of alfalfa plants formed beans during self-pollination in the I_1 -I_2 generations. At the same time, there was an increase in the number of plants that bound the beans under insulators in a closed flower without auto-tripping. This means that it is possible to obtain alfalfa...

In this paper, a multiple linear regression model was established, and the regression equations were established for daily maximum load, daily minimum load, daily average load and each meteorological factor. Next, the parameters of the model estimation, statistical estimation and hypothesis testing....

Traffic Dispatching and Command System works as the train dispatching center to make the operational decision on almost every train. The new generation dispatching system called Centralized Train Control (CTC) System works as the train dispatching command system of the China's high-speed rail. The center...

This paper explores case-based microcomputer principle teaching methods combined with case teaching. According to the teaching outline, divide the content of the curriculum into a number of knowledge points. Select typical SCM applications to design typical cases, merge knowledge points into cases, and...

The article presents the results of study metal-dependent proteins comprised in Artemisia annua proteome in the intrusion territories adjacent to the artificial agrobiocenosis in Volgograd region. Using mass spectrometry we detected more than 2200 proteins, including 134 metal-dependent ones. One hundred...

Carbon monoxide (CO) gas in the cabin of a vehicle affects the health of passengers and can even cause death. This is caused by poor ventilation so that the exhaust that leaks into the car and is slowly inhaled by the person in the car. Carbon monoxide is an odorless, colorless, tasteless and non-irritating...

Common place one important building material used all throughout the world is Portland cement. Aside from the combustion of fossil fuels and deforestation, the cement production sector is one of the biggest emitters of carbon dioxide. The atmospheric release of greenhouse gases, such CO2, is the primary...

Pakistan is an agricultural country, with the sector contributing approximately 18.9% to the country’s GDP and offering employment for nearly 42.3% of the workers. Pakistan, where the growth, economy, progress, development, economy and food security heavily depend on agriculture, pesticide contamination...

Dietary compliance is crucial for managing diabetes mellitus. Diabetes prevalence is rising yearly, especially in Surabaya. The Indonesia Social Insurance Administration Organization established the Chronic Disease Management Program, but participant visits to primary healthcare remain low. Program participation...

This paper provides a comprehensive review of digital circuit implementations for artificial neural network (ANN) accelerators, focusing on Solution types include Application-Specific Integrated Circuit (ASIC) and Field-Programmable Gate Array (FPGA). It examines key optimization techniques such as precision-variable...

As a rapid prototyping technology, 3D printing is widely used in various fields. In the aspect of slicing, it is divided into equal thickness slicing and adaptive slicing. Most of the 3D printers on the market today use equal thickness slices, but equal thickness slicing cannot balance accuracy and efficiency,...

With the development of China’s social economy and the improvement of people’s living standards, the number of cars is increasing, and the original transportation infrastructure is difficult to keep up with the development of the situation, resulting in serious traffic congestion in various large and...

This research examines the social construction of environmentally friendly shipping in the coastal communities of Banda Aceh City. In the context of climate change and coastal environmental degradation, efforts to adopt more sustainable shipping practices are becoming increasingly relevant. This research...

With the rapid development of transportation infrastructure in China, metro networks in major cities have become increasingly complex, inevitably leading to scenarios where new shield tunnels underpass existing operational tunnels at close proximity. The structural deformation control arising from such...

The construction of Integrated Utility Network Facilities in Denpasar City is an effective solution to overcome the clutter of aerial cables that reduce the aesthetic value of the city. To realize the plan is very difficult because this project in its implementation method has complicated and complex...

The rapidly growing coffee industry in Indonesia, especially in Bali, produces large amounts of coffee grounds waste, most of which has not been optimally utilized. On the other hand, the use of conventional plastics that are difficult to decompose causes serious environmental problems. This study aims...

Moringa oleifera leaves are rich in nutrients and bioactive compounds such as polyphenols which can be used as an antioxidant. Polyphenols of Moringa leaves can be extracted using conventional and non-conventional methods. This study compared maceration with Pulsed Electric Field (PEF) pretreatment and...