Advances in Engineering Research

Tissue-engineering technology was important and popular which combine medical applications and engineering materials knowledge such as a cell extraction process, which was employed to remove the cellular components from porcine dermal, leaving a matrix of collagen, elastin, collagen, and tightly bound...

This research was conducted to extract sodium alginate from Turbinaria conoides and its structural property as biopolymer electrolyte. The existence of brown seaweed (Turbinaria conoides) is abundant in Bangka Belitung Islands. The main content of brown seaweed is alginate that it can be used as biopolymer...

Using investigation on Cd in surface waters in 1988 in Jiaozhou Bay, this paper analyzed the vertical changes of Cd contents in waters, defined the settlement processes of Cd contents at temporal and spatial scales. Results showed that in April 1988, in the outer side of the bay mouth, Cd contents in...

The article presents the technical and economic analysis of the investments in new equipment in general or design/ design-technological innovations that depends on an investment budget formation, which determines the net cash flow from the project implementation for the entire exploitation period. We...

The distribution and composition of the 17 organochlorine pesticides (OCPs) in selected samples were investigated with the gas chromatography coupled with Agilent triple quadrupole mass spectrometer (GC–MS). Only DDT has the highest detection rate of 100% within one year period. The total residual concentrations...

This paper introduced the overall situation and tourism resources in Guizhou Province, and studied the anion distribution and air quality of scenic places of this region based on the results obtained by the test of some scenic spot, Using city gravity model and actual data, analysis the potential visitors...

This literature review study highlights the current issues about online learning during the COVID-19 pandemic, which focused on students’ psychological problems. This critical review presents any relevant studies about the pandemic effect on the educational field, which shifted the conventional learning...

The impact of the implementation of the renewable energy power plant to GHG emission has been analyzed in this study. Four types of the renewable power plant have been simulated in the model which are hydro, biomass, solar, and wind power plant. The bottom-up model has been developed to conduct the analysis....

With the development of the AI technology, Machine learning and deep learning have been paid attention on increasing extensively. The neural network in deep learning, especially the CNN (Convolutional Neural Network) were used in aspect of image processing and many kinds of AI projects. Deep learning...

Kendilo watersheds in Paser district is the largest of wild Biuku/Beluku (Batagur borneoensis) habitat and distribution. However, lack of knowledge among the local communities based on morphological characteristics, perception and human habit and activities may accelerate population decline in its habitat....

In 2020 the development of online public transportation in Indonesia increased significantly. There will be 21.7 million registered users in Indonesia. Online motorcycle taxis are public transportation that is in great demand by the public. But besides that, the high number of motorcycle accidents and...

Salinity in drinking water poses significant health risks and challenges for water sustainability. Although there are varieties of water treatment technologies are available, low cost, and efficient alternative of water treatment is always appreciable. This study explores the effectiveness of various...

Drilling is a machining process intended for the formation of holes in the workpiece. The gripper in the drilling process is generally still driven manually. This causes the machining process to take a long time. The purpose of making pneumatic drill chucks using a microcontroller-based control system...

The use of deep learning-based CBIR models, particularly those incorporating convolutional nets (CNNs), meanwhile addressed some problems by learning hierarchical features automatically. However, most models now available fail to be interpretable and transparent. This limits their application in sensitive...

Urban waste management systems critically depend on Temporary Waste Collection Points (TPS). However, in Samarinda City, many TPS fail to meet established standards, necessitating a comprehensive evaluation of their quality, quantity, and continuity. This study aims to assess TPS in Samarinda City using...

The technology of creating machines or robots at or close to the nanometer scale is called nanorobotics. It is the most modern application of nanotechnology. Using nanorobots in dentistry is predicted to improve precision, reproducibility, and dependability in the treatment process. These devices typically...

This study reviews the substitution potential of distributed energy interfaces for traditional power adapters using a multidimensional framework. The findings reveal scenario-dependent viability: proven feasibility in low-power fixed applications; however, efficiency, cost, and infrastructure barriers...

As of 2018, the population of Ulaanbaatar city has reached 1,491 thousand people, which is 387 thousand families due to increased movement from rural areas to urban areas, and around 60% of them belong to Ger areas. This survey included about the people living in the 9, 10, 12 Khoroo territories of the...

In the construction process of shallow-buried tunnels, the technology of extra-long large pipe sheds is widely used due to its ability to effectively stabilize the excavation face. However, the implementation of this technology faces numerous challenges due to complex geological conditions, intricate...

Indonesia is an archipelagic country which is divided into development corridors. The development corridor has been stipulated in the MP3EI development master plan, including Java Island. Java is the center of the country's development activities with nearly 60% of the population living on this...

Ship trajectory clustering is one of the main methods for mining ship feature trajectories based on AIS data. However, there are two main problems in trajectory clustering: First, the clustering algorithm itself has the problems of difficult to determine the parameters and poor noise recognition ability;...

To investigate the effects of garage ventilation volume and ventilation area on hydrogen diffusion and concentration distribution after accidental hydrogen leakage in fuel cell vehicles, numerical simulation methods were used to study and analyze the hydrogen accumulation concentration and combustible...

With the development of railways and tunnels’ construction, more and more plateau tunnels are constructed. However, the construction of plateau tunnel is faced with many safety hazards, such as geological disasters, hydrological disasters, heavy snow and so on. Therefore, it is particularly important...

Urbanization’s swift progress has heightened the need for underground space development, necessitating advanced support systems like extra-long pipe-shed technology to ensure safety and stability in challenging geological conditions during tunnel construction. This paper investigates the influencing...

Narajanganj is a historic industrial port city located in the south-east of Dhaka city. Rapid urbanization and economic growth in the last several decades made Dhaka and Narayanganj to function as a common economic whole. As urban agglomeration processes continue within the greater Dhaka region, one...

Rainfall is a significant factor of bank slope collapses. In this study, the effects of rainfall intensity and type on bank slope stability are investigated. By establishing non-ponding infiltration models and ponding infiltration models, the bank slope stability model considering rainfall is proposed....

Precise and high efficiency of moisture content detection is important to the oil production and management in the oil chemical industry. In this paper, a new technology on moisture content automatic detection based on single chip microcomputer is proposed. This system can accurately measure the moisture...

This paper gives an explanation about human resource(HR) practices in Bank Alfalah with the analysis in comparison to Faysal Bank, focus on banking sector to complete the task analysis of human resources management(HRM) practices and procedures for recruiting suitable employees, principles and procedures...

In this paper, in order to study on the influences of hydrogen-oxygen isotope values and phosphate content of soil water, rainfall and sewage infiltration process were simulated through the soil column experiment. Soil water samples were collected in situ, and the gravity flow samples were also collected....

Several typical existing calculation methods of earth pressure considering displacement are introduced and compared; Typical methods are used to calculate the condition of laboratory tests and the result is compared with that from Rankine earth pressure results to explain which is more reasonable. Based...

It is difficult to meet the requirement of practical ability training goal in package engineering specialty with only traditional didactics focused on theoretic lectures. Thus, we introduced "contest driven" didactics in practical teaching sections such as projects of packaging system design course and...

Nanoemulsion (NE) has been widely added into fracturing fluid as flowback additive to enhance fracturing fluid recovery. An environmental friendly nanoemulsion has been formulated. The particle size distribution of the nanoemulsion has been determined. The surface tension and contact angle of the nanoemulsion...

Taking good advantage of the diesel-exhaust with the Organic Rankine Cycle (ORC) System contributes to raising the thermal efficiency, saving fuel consumption and reducing the cost, since there is much energy carried by the diesel-exhaust. There come some problems on the match for the temperature of...

In order to amalgamate distributing platform of traditional TV program with mobile Internet on technology and business, it is necessary to study the method of TV channel recognition based on the collaboration between mobile terminals and publishing service of TV program. Due to some advantages based...

Damaged rolling contact bearings generate vibration. These vibrations may be measured and separated from other vibrations in a machine to analyze and interpret the condition of the bearings and other associated problems. The envelope technique is used to measure the magnitude or energy distribution of...

In order to obtain more accurate data of the ocean water depth, this paper is based on the principle of satellite-based wide area differential GPS positioning technology, through a test, positioning accuracy of differential RTK, differential beacon and satellite-based wide area differential GPS are compared...

The lag of water inrush from goaf floor is a great threat to the safety in production, which often leads to a serious property loss. A three-dimensional DC resistivity method,based on the mechanism and the inducing factors of water inrush,is proposed to monitor the possible water inrush accident in this...

The shear strength of trapezoidal corrugated steel webs is an important parameter for the design of girder bridges with trapezoidal corrugated steel webs. Five I-shaped steel beams with different longitudinal stiffeners were tested to preliminarily investigate the shear behavior of trapezoidal corrugated...

This article contains information about determination of the parameters that affect the formation of failure auger equipment

An electrodeposited Ni-Fe alloy with a nickel content of 75% was introduced in this paper, thickness of this Ni-Fe alloy is 1mm. Microstructure, tensile mechanical, and hardness and the phase were studied by using field emission scanning electron microscopy (FE SEM), tensile test, hardness tester and...

The paper focuses on research the solution of establishing the model of packet transmitted network and implement of it, withing the powerful simulation of network modeling of OPNET. To see the effect of the packet generation rate on the performance of the network, using the Simulation Editor to create...

Theoretical profile stress and displacement of a certain non-overflow gravity dam in a key water-control project was studied in this paper. Plane finite element method and dam-rock coupling effect were both considered. It is concluded that the tensile stress concentration was appeared at the heel and...

Concrete materials' damage and destruction under cyclic loading are known as concrete fatigue. Based on the domestic and foreign literature, this paper analyzes and explores the progress and development trend of the fatigue mechanism of concrete on the aspects of experimental study of concrete fatigue,...

In the present research, a comparative study was conducted between heat reflux extraction (HRE), ultrasonic-assisted enxtraction (UAE) and negative pressure cavitation extraction (NPCE) for extract total phenols and total flavonoids from Manilkara zapota leaves. Single-factor experiments were applied...

LED display design hardware consists of STC89C52 smallest single-chip system, 32 × 32 dot matrix color display arrays, light pen, buttons, LCD display and other components. Color dot matrix red LED is always working in dimly lit scan status, lit STC89C52 microcontroller use homemade light pen infrared...

The paper is devoted to the behavior of steel-concrete beam with Hybrid Full Web and Truss system subjected to four-point loading mode. Steel-concrete composite beam with HFWT system was investigated both experimental and computational using finite element technic. In the finite element analysis, test...

The synergy of fatigue load and corrosion can affect the mechanical properties of the steel bar, and accelerate its fracture damage. On the basis of different cycles of fatigue load on the bar, four-month corrosion under the action of acid or alkali medium test was carried out. Then the synergy effect...

Through the study of the thermal insulation performance of FCB composite panel of finite element simulation,the wall heat transfer coefficient K is determined.By changing different keel spacing and the hole size, studies the influence of different parameters on the wall heat preservation performance.Finite...

In order to improve the glass forming ability of Cu-based bulk amorphous, improve it's mechanical properties and plasticity, the Cu46Zr42Al8Ag4 alloy rods with 3.0 mm in diameter were prepared by the suspend melting-copper mold suction casting. The structure, thermal stability and flexural behavior were...

As the mother tongue of Uyghur Uyghur language plays an important role in the expression and heritage of Uyghur The development of Uyghur information processing technology directly affects the degree of informationization and intellectualization of minority areas. This paper will summarize the current...

The handling of waste problems in urban areas of Surakarta, Putri Cempo Final Disposal Site (TPA) has been overload since 2005. The limitness of land has made the Government of Surakarta to think of innovation by building Waste to Energy plant project. The analysis was done by using secondary data obtained...

With the rapid development of computer software, making the complexity of the software system increased dramatically, the inevitable cost of testing resources is also increasing. Under the conditions of limited resources, how to better find the balance between resource consumption and reliability obtains...

The co-evolution mechanism of manufacturing and logistics is a research hotspot, but there is no good way to estimate the external stochastic disturbance factors and its nonlinear effect on environmental capacity in the existing research. To address this issue, a co-evolution population ecosystem of...

Based on the theory of optimization, this paper researches the route planning of multi unmanned aerial vehicle(UAV) cooperative task and the task planning problem of multi UAV scheduling. In this paper, we set up a feature point location model based on the traditional base station location model, which...

Road traffic accidents still become major problems for Indonesia causing more than 25,000 deaths per year. One of the challenges faced in making road betterments is how to identify and prioritize black spots with minimal accident data. This study offers an innovative approach to combine Equivalent Accident...

Based on the status quo of coin sorting machines at home and abroad, a coin sorting machine with false identification function was designed. The coin enters the entrance of the coin, through the rotation of the coin disk and the flattening of the pressing plate, a single coin enters the coin hole of...

The experiments are to study the competitive adsorption properties of three heavy metals of Cu2+, Cd2+ and Pb2+ ions through synthesizing zeolite. The influencing factors and competitive adsorption kinetic modes are investigated. The results show that, with the increase of adsorbed dose, the removal...

Drug side-effects have gained attention from the whole society because of significant morbidities and mortalities they caused. Therefore, the early detection of side-effects, before reaching the clinical stages, is important yet challenging. In this paper, we proposed a comprehensive similarity framework...

For performance assessment and optimization design of the seepage control system in the Yagen underground powerhouse, a numerical method combining a substructure technique, the variational inequality formulation of Signorini's type and an adaptive penalized Heaviside function (short for SVA method) was...

To improve the reliability and safety of elevator operation we construct the Multiple Elevators monitoring system based on the Internet of Things and industrial configuration. It can reduce the waiting time when the elevator goes out of order. This paper introduces the concept of IoT technology and industrial...

In this article we analyze significant onyms of Kursk city, indicating the sources of the formation of urban space in the diachronic aspect. We conduct an etymological analysis of some onyms with the help of which we can restore the cognitive processes caused by the peculiarities of the ethnic culture...

Online parcel delivery service is one of the emerging evidences of Society 4.0 formation. In the near future, with increasing road traffic volume, night delivery to the houses become commonly found. The service is combined with e-money apps, IoT for logistics delivery compartment, and building automation...

The rapid development of technology has an impact on the increasing human need for energy, especially electricity. At present, population growth and climate change are encouraging new interest and investment in renewable energy sources to provide access to reliable and sustainable energy. One of the...

Red onion (Allium cepa L.) is considered one of the most commonly used vegetables in the culinary arts in Indonesia. It has many benefits, one of them is contain antioxidants that promote good health. Conventional cultivation of red onion is depended on the implementation of inorganic fertilizers to...

The drying cabinet had functioned as a storage hot air from the solar collector. There were some trays inside the drying cabinet. This paper had many purposes to predict air vector velocity and air temperature distribution inside the drying cabinet. It was done by simulation. It used computational fluid...

Indonesia is located in an equatorial region with an abundance of solar energy, with an average solar radiation intensity of 4.8 kWh/m2 per day. It can be used to build solar power plants. This research aims to estimate and plan the efficiency of a solar farm so that the power produced in the faculty...

The limited access to energy in remote areas and the global shift toward sustainable energy sources present a significant challenge in modern energy technology. This research presents the design and implementation of an embedded system-based control and monitoring system for off-grid mini–Solar Power...

The increasing global population has led to a growing demand for clean water, accelerating the development of innovative, electricity-free purification systems for remote areas. A promising solution is a solar-driven water purification system that utilizes thermoresponsive hydrogels to adsorb and desorb...

Over time, concrete structures can suffer strength degradation, potentially causing structural failure, especially in beam elements under bending moments and shear forces due to excessive loads or natural disasters. This study analyzes the behavior and shear capacity of reinforced concrete beams after...

Present research comprises of reprocessing discarded brick and ceramic powders as a fractional substitute of clay in making clayey bricks. The extensive use of clay during the development of bricks is the cause of loss of fertile land, which is affecting the climate. The substitution rates of 5, 10,...

Laundry wastewater is a major contributor to aquatic pollution, often discharged directly into drainage systems and potentially causing significant environmental harm, such as eutrophication due to excessive detergent and phosphate levels. To address this issue, a study was conducted using phytoremediation,...

The strategy for managing the continuity of operation and ensuring fault tolerance involves the development of approaches to assessing and monitoring the risks for the most important business processes. The article discusses approaches to the organization of interfunctional interaction in order to ensure...

The application of Convolutional Neural Networks (CNN) in welding systems has played a key role in promoting automation improvements and technological implementation. The traditional welding process largely relies on manual operation and the experience of professionals, especially in defect detection,...

Pellets made from waste have great potential as an environmentally friendly alternative fuel. These waste pellets have diverse chemical compositions, with carbon and hydrogen content providing good calorific value. The physical properties of the pellets, such as density, moisture, and mechanical durability,...

The construction of heterojunctions is widely regarded as one of the most effective strategies for suppressing charge recombination, extending the light absorption range of a single photocatalyst, and significantly enhancing hydrogen production through photocatalytic water splitting. Herein, we explore...

Accurate short-term forecasting of power load has important significance in Safe and stable operation and im-provement of economic benefits of electric power system. The electric power system load forecasting usually adopts BP neural network (BPNN) method, but this method has slow convergence speed,...

In recent years, pumped storage power station with its unique static and dynamic benefits has been vigorously developed. But throughout the current set and operating experience of the Pumped Storage Power Station in our country, there are always some faults happens in the auxiliary power system when...

Optically active fluorescent sensor containing a 1,1 -binaphthyl core and N,N'-diamine was synthesized and characterized by NMR spectroscopy. S-N1,N1'-(2,2'-dimethoxy-[1,1'-binaphthalene]-6,6'-diyl)bis (ethane-1,2-diamine) was synthesized by coupling reaction with Pd(dppf)Cl2 and Cu(phen)Cl2.

Quantum security direct communication is based on quantum physics, combined with the classic communication theory .It become a new communication model, its transmission of information on the high efficiency, security has been more and more extensive attention. That is, since the beginning of this century,...

It will seriously affect the safety of tunnel structure if tunnel occurs longitudinal deformation. This paper is based on the shield-driven tunnel, discusses the factors may cause longitudinal deformation of metro tunnel and carries on the concrete analysis during construction period to operation period...

The conventional method of gold refining process is widely used and it seems no further effort has been taken to improvise the system. Safety, productivity and reliability issue remains to be crucial barrier to local jewelers to refine their in-house gold scrap. The findings have brought the researcher...

The Yangtze River, the longest river in China, is also a famous river in the world. Most regions within its drainage basin are of moderate climate, abundant rainfall, rich resources and dense population, in the meantime, the Yangtze River basin is also a region in which floods frequently happens. In...

In order to explore spatial distribution of placenames of YI language in Yunnan province, the paper used Getis-Ord General G, spatial autocorrelation, clustering and abnormal values and Getis-Ord Gi* analysis methods to analyze it, then these conclusions could be drawn as follows. The spatial distribution...

A two-stage stochastic programming (TSP) model is effective for industrial adjustment under limited and varied capacities of water and energy resources. In this paper, industrial adjustment in the future (i.e., the 13th five-year plan) was evaluated by a eatablished TSP model under limited and uncertain...

The structure of Pulse load is complicated and the load characteristics is closely related to the work mode, in order to study the micro grid operation characteristics under pulse load and the different parameters of pulse load on the influence of the micro grid operation characteristics. This paper...

A scheme based on penstock of construction of computer information security and network attack and defense experimental teaching platform is proposed. Meanwhile it is presented that its hardware topology architecture system technology architecture and the processes of platform management the technological...

Along With the development of new technology, cloud computation has become a new computing model and new Internet application mode, which is developed based on grid calculation. The concept, definition, features, layer architecture and service mode of cloud computation are described. The problems of...

The mechanism of 4-(1-phenylvinyl)pyridine hydroformylation with HRh(CO)(PH3)3 as active catalyst has been proposed and discussed by B3LYP. Also, the regioselectivity and chemoselectivity are investigated by calculations and excellent agreement with the existing experimental results is displayed. It...

In order to effectively extracting out weak ship shaft-rate electric field signal immersed in strong ocean background noise, a multi sub-band sliding detection algorithm capitalizing on Empirical Mode Decomposition (EMD) with Fourth-Order Mixed Cumulant (FOMC) Diagonal Slice is proposed. Firstly, EMD...

This paper studied the vibration characteristics of barrel excited by projectile in lauch process of gun. Considering the effect of inertia and the contact condition between projectile and barrel, we simplified the barrel as the Euler equal cross section, and established the vibration equation of barrel...

The lack of land and housing supply has resulted in shortage of affordable housing in Hong Kong. Low-incomers, new immigrants and many others cannot afford high rents so they seek accommodations in the informal sector. This surging demand for informal housing is conducive to the proliferation of illegal...

As the first part of an ongoing integrated project for developing a desktop gantry grinding machine tool, the structural optimization of column part is taken as the focus of the study. The thickness, height, and width of column are the design variables. The objective of optimization is to minimize volume...

Mercury (Hg) deposition in soils derived from coal combustion in coal-fired power plants can be large and quickly. In this study, Shi li-quan power plant, a large ultra-high voltage thermal power plant which is located in Zaozhuang City was selected to study the effect of the coal-fired power plant on...

Based on the idea of establishing urban visual orders, this paper aims to explore the demonstration form of Shenyang commercial signboard font designs under the influence of the visual order establishment and to handle problems currently existing on streets of Shenyang and major cities, including the...

To overcome limitations of current designs of hydraulic supports based on conventional physical prototype, we propose a virtual prototyping based design mode for hydraulic supports. In this study, a 3D numerical model of hydraulic support was established by numerical simulations and stress distributions...

In the river of modern urban, water retaining dams should not only meet the regular functional requirements of flood control, water supply and shipping, but also coordinate with the urban environment and becomes an important part in construction of ecological water environment. This paper took a new...

The aim’s of this research was to develop The Adventure of Element based on Role Playing Game as a learning media on element chemistry matter. The feasibility of a game that developed assessed from criteria the validity, practicality, and effectiveness. This research used Research and development (R&D)...

Based on the continuous contact force model, the rigid-flexible coupling impact dynamics of a radial rotating flexible beam is investigated. The transversal deformation and nonlinear coupled deformation, which means the longitudinal shortening caused by transversal deformation, is considered. According...

By the DEA and Malmquist index model, the article studied the dynamic change and spatial difference of the forestry efficiency to 21 cities (States) in Sichuan province during 2005-2014, and revealed the change law of forestry efficiency. The results show that: Forestry efficiency showed the characteristic...

The uncertainty caused by the Ancestor-Descendant relations and wildcard could affect query efficiency in the query of Twig query. For this problem this paper proposes a query method of the Twig query processing based on document schema. Firstly, it matches the Twig query to the schema tree, so as to...