Advances in Engineering Research

Biogas is an alternative energy that can be obtained from the anaerobic degradation process of organic matter. The high carbon dioxide (CO2) content in biogas needs to be reduced, even if it can be removed so that the quality and heat value of biogas increases. The water scrubbing method is a method...

ZnO/ECB photocatalyst (Eichhornia crassipes Biochar) has been synthesized to be applied as a photocatalyst in the degradation of Reactive Black-5 dye. ZnO/ECB photocatalyst was synthesized by the coprecipitation method with the ratio Zn(NO3)2.6H2O:ECB (M:w) 0.25:1 (0.25MZnO/ECB); 0.45:1 (0.45MZnO/ECB);...

This research focuses on addressing the challenges faced by robots when going through uneven terrain by maintaining stability in an inclined position. The main objective is to design a PID control algorithm that allows the robot to adjust its motion based on real-time sensory feedback from the IMU sensor....

Port Klang Malaysia is a key maritime gateway and essential logistical hub for the country. Its central role in Malaysia’s economy necessitates ensuring safe marine navigation within its bounds. This research uses the AIS dataset to analyze marine traffic density and patterns in Port Klang. Data from...

With the advancement of the digitalization of social security archives, these archives face issues related to information resource security. Blockchain technology offers a new approach to addressing the trustworthiness of digital archives. Firstly, the working mechanism of blockchain is analyzed. Secondly,...

Safety in train operations is a very important aspect of the operation of railways. Along with the increasing demand for goods and services, train trips are increasing. This condition causes increased activity at the station, which has a function: to get up and down passengers or load and unload goods....

Fish as a commodity that easily and quickly decomposes requires fast, clean, careful, and cold handling. Thus the quality of the fish can be maintained from the time the fish is removed from the sea until the fish is marketed to consumers. Handling fish to maintain its quality to keep it fresh and hygienic...

To enhance the application of arch-shaped beams in public buildings, this article utilizes ABAQUS and engineering design software to analyze the impact of different structural measures on the stress performance of a high-rise building’s large-span cast-in-place reinforced concrete arch conversion beam. ...

As the urbanization process in China accelerates, the issue of carbon emissions in the construction industry becomes increasingly prominent. Beijing, as the capital of China, the green and sustainable development of its construction industry can provide a reference for other cities. To explore the potential...

Makassar Port plays a crucial role in the Ministry of Transport’s hub-and-spoke strategy, significantly impacting the reduction of economic disparities between the eastern and western regions of Indonesia. As a vital port, the safety of the port and the marine environment must be safeguarded at all costs....

As smart grid technology and distributed photovoltaic power generation continue to advance rapidly, their integrated and coordinated use is emerging as a key focus for optimizing future power systems. However, how to optimize energy storage technology on the basis of ensuring load balance is still a...

Engineering practice shows that most of the damage and failure of rockfill dams are directly or indirectly related to seepage. The steady seepage analysis method is used to evaluate the seepage control effects of the Longbeiwan CFRD. The variational inequality formulation of Signorini’s type is used...

As traffic loads and environmental stresses intensify, asphalt pavements face prominent issues, including high-temperature rutting, low-temperature cracking, and moisture damage. Diatomite, a natural porous mineral material, has been widely used in asphalt modification to enhance pavement performance...

Low Density Parity Check(LDPC) code itself has a good performance and the application of LDPC in the communication field is extensive. LDPC codes have the characteristics of low bit error rate, easy adjustment, low decoding complexity and excellent decoding performance. LDPC is considered to be the "best...

To evaluate the development effects systematically, the coalbed methane (CBM) production performance of 58 horizontal wells in the Fanzhuang block of the Qinshui Basin was tracked and correlations between the gas rate per 100 m and the influencing factors were discussed by single and multiple factor...

This paper selects 30 college students as subjects, concludes of characteristics agricultural product web page layout and goods list line density, selects 3 domestic agricultural e-commerce website interfaces which is structured from top to bottom, left corner of the right type, and 3 domestic agricultural...

In the present research, phytoremediation mechanism of sediment contaminated with pentachlorophenol (PCP) was investigated. Seven species of common aquatic macrophytes were used for remediating PCP contaminated sediment and those plants could significantly accelerate the degradation of PCP in sediments....

Electric flux method was adopted in this paper to carry out experimental study on influences of fly ash and basalt fiber contents on chloride penetration resistance performance of high-performance concrete. First, influences of fly ash content were investigated by virtue of uni doped fly ash. Then, basalt...

This paper describes an investigation of properties of 3 ACCMs, including cathodic disbonding, hot water dipping in, shear strength and bonding characteristic. According to standards of oil and gas pipeline, some experiments are carried to determine these characteristics. From these experimental results,...

For a water-cooled engine, radiator performance has a direct impact on automobile engine heat dissipation effect, influence the automobile's power performance, economy and reliability. Based on the 6DL engine high temperature problems are investigated, analyzed the reasons of high temperature of the...

Words, as the basis of language, have relative stability.But it is also gradually developing. The language variation and change has been an important subfield in sociolinguistics, and has made remarkable achievements.But there is seldom research conducted from the aspect of the natural language processing.This...

In an attempt to isolate high-quality, total RNA from flower buds of sunflowers (Helianthus annuus). We have already improved the SDS method. After adding liquid nitrogen, we have to grind the material down. After that we add protein -DNA precipitation, wash it with the addition of different kinds of...

The numerical simulation of steel lined reinforced concrete penstock model of a hydropower station is carried out by continuous-discontinuous numerical method (extended finite element method). This paper focuses on the numerical calculation method of the crack process and the crack width of the concrete...

A study on distribution characters of initial stress in the condition of gravity effect in the slopes within alp of which the slope angles poses 30° 45° 60° respectively were conducted by numerical analysis. After comparison, it is found that when closing to the region of slope surface, the difference...

Influenced by special topography and three-dimensional climate, the distribution of water resources in Yunnan Province is obviously different form other regions. According to the official reports of water resources, related evaluations and planning in Yunnan Province in 2012, the interaction cutting...

Objective: to compare the contents of heavy metals in Alpinia oxyphylla Miq. at different growth stages. Methods: The content of Cu was determined by atomic absorption spectroscopy. The contents of other four elements, i.e. As, Hg, Pb and Cd, were determined by atomic fluorescence spectroscopy. Result:...

There is the vague boundary between fault omen and fault phenomenon of aviation equipment, one Fuzzy C-means (FCM) cluster method is given to divide the fault classification, which provide some help to determine the next fault mode.

This research has objectives as this following: 1) to study the properties and quantities of the leave-buds and the leaves of sugar cane 2) to develop the transformation process of the leave-buds and the leaves of sugar cane as the materials replacing of wood 3) to test the replacing material standard...

An online detection system is designed for gathering machinesto solve theproblems ariseincollating. The system consists of industrial digital cameras and industrial control computer to form a distributed control system that uses Ethernet to communicate information between host computer and slave computer.Using...

Hydrogen fuel is a kind of clean energy that can be generated by photo catalyzing water splitting. It is interesting to investigate the case contrasting to Gibbs free energy determination formula (GFEDF). Through calculation and theoretical analysis, results are: (1) there is not electric energy and...

A pre-stressed concrete bridge is a construction structure that connects a place to another place that is made by giving a voltage opposite the voltage caused by an external load. The process of giving tension can be carried out before the concrete is printed (pre-pull) or after the concrete is printed...

The article presents the development project of a device, namely a generator of innovative principle of generating electrical energy, in other words, the development project of an innovative source of electricity.

To evaluate the health status of the power distribution network is of vital importance to condition-based maintenance of the power distribution network. By studying the power distribution network health condition using the theory of health index (HI), this paper proposes a method to evaluate the power...

The Sea around Belitung Island is an oceanic pathway for the South China Sea and the Java Sea which has some characteristics. This paper addresses to determine sea level variation around Belitung Island using satellite altimetry observation. Several parameters applied to determine sea level anomaly....

Hybrid renewable energy began to play an essential role after the fossil energy is gradually reduced. In Thailand, the government is very interested in renewable energy, and there are many potential areas in countries where renewable energy sources such as wind energy and solar energy are available....

As the traffic accident becomes a serious problem, we need some more efficient methods to identify the car. Luckily, we can use artificial intelligence to recognize the motors by using side-view images. It will help a lot to solve the traffic accident. We used the wavelet entropy to extract the feature...

Quality assessment in existing road pavement is used to decide the right action for road preservation. In Indonesia, the quality is measured by functional parameter in riding quality using International Roughness Index (IRI) and visually using Pavement condition Index (PCI) to evaluate pavement condition....

In this paper, the age factor of chloride diffusion coefficient of concrete is considered, as well as the randomness of the chloride diffusion coefficient, concrete cover depth, surface concentration, threshold concentration and age factor. Based on the First Order Reliability Method, a time-dependent...

Taking Xin’an coal mine as an example, through empirical formula, regional analogy, theory analysis and analog simulation experiment, predicted the high of water flowing fractured zone under the condition of fully mechanized top coal caving, used monitoring system to measure the height of water flowing...

Hot and humid environments are ubiquitous in some special workplaces, such as deep mines, aviations, and military territories. High–temperature radiation is a serious threat to the health of high temperature operation personnel. Exposed to high temperatures for a long time will inevitably lead to dehydrations,...

Penelitian bertujuan untuk mempelajari pengaruh lama inkubasi pada fermentasi onggok menggunakan Mutan Trichoderma AA1. Empat level lama fermentasi yang meliputi 0 (kontrol), 1, 2, dan 3 minggu diperlakukan untuk fermentasi onggok. Percobaan dirancang dengan One-way classification of Completely Randomized...

With the comparision of smelting process technology and submerged arc furnaces for silico-calcium alloy at home and abroad, it is seen that the development of large capacity arc furnace technology for silico-calcium alloy is necessary and urgent in China.

A kind of high precision electronic scale with STM32F103 as the control core is designed. Mainly by the resistance strain gauge, operational amplifiers, ADC and other functional modules. Strain gages of the bridge circuit will be based on the pressure of different output voltage, through the amplifier...

Preparation of pearly green black pigment (micron glass/nano-Fe3O4) can be carried out by a green process: eroding the micron dimension glass first, then second co-precipitating ferrous and ferric ions on the eroded substrate, which should minimize long and short-term impacts on the environment. The...

In this paper, the author studies an inverse two-phase Stefan problem obtained from a one-dimensional model of ice melting. This problem can be reduced to solve two hot-conduction equations. One is posed, so we can use the difference approximation method to solve it. The other is ill-posed. We first...

This paper taking into account the universal use of Android phones, designs and implements judgments and notices the old man falling cell phone App. By calling the phones accelerometer, gyroscope collection campaigns after processing according to human body dynamics model to determine the specific state...

Particle impact drilling is a kind of rock breaking method, that high speed metal particles and fluid were given priority to be used to jointly break rock, and mechanical drill bits were supplemented. It is an effective means to solve the hard and abrasion-resistant drilling problems in deep and ultra-deep...

Faced with the development of information technology and the arrival of the era of big data, dynamic memory management is one of the most important operations in many C/C++ applications. Traditional paging memory management apply page table which aims at process. When the address of the process is large,...

Gudang Atag is one of Indonesia’s vernacular buildings, which is a characteristic of the Na-Oogst tobacco plantation as raw material for cigars. This tobacco barn can produce tobacco leaves with quality that conforms to the standard using the process of air curing. Air curing is the process of drying...

Intravenous fluid infusion is an effective treatment for patients, but it requires monitoring by nurses or family members. We design a monitoring system based on AT89C51 to solve monitoring problems and avoid medical accidents. We use infrared sensors to monitor the infusion drip rate, buzzers and light-emitting...

The implementation of UAVs in Indonesia on road infrastructure projects still widely used at the planning stage of new road routes and the supervision stage to determine the progress of the work. Meanwhile, at the post-work monitoring stage, the UAV is only used to identify and inventory the pavement...

The development of urban green open spaces within the framework of environmentally friendly sustainable architecture is one of the human efforts to create a better life without hindering opportunities for future generations. The Cikapundung Terrace is one of the urban green open spaces occupying the...

The increasing demand for marine ecotourism along Java’s southern coast necessitates vessel designs that prioritize passenger comfort and safety under moderate to high wave conditions. This study evaluates the motion response and comfort performance of a 17 m catamaran using a simulation-based approach....

Autism is a developmental disorder that hinders the life of an autistic child with poor communication and a lack of social skills to carry out their day-to-day work. Detecting autism is very important at an early stage to help the child overcome their learning disabilities. Generally, Autism is diagnosed...

To study the axial compression performance of composite constrained concrete columns with steel tube and prestressed steel hoops, seven groups (three specimens each group) were subjected to axial compression tests of constrained concrete columns. The axial compression mechanism of steel tube and prestressed...

The potential applications of essential oils are limited by their natures as they are oxidized easily by light, heat, and other environmental factors. Essential oil impediments and their short shelf life promote the development and application of essential oil nanoencapsulation. Nanoencapsulation techniques...

Robot is a complex system consisting of multiple joints and connecting rods with complex coupling relationship between multiple inputs and multiple outputs, making it very difficult to establish the dynamic model of the robot. In order to realize the real-time control of the robot and improve the control...

The gear wheel reducer of self-propelled weapons is the final reduction gear drive in the drive system. Under the same ratio of transmission, using reduction gear can reduce the load of transmission, drive shaft, main reducer, differential mechanism and half shaft, the size becomes smaller and the drive...

The high pressure torsion (HPT) process was used to process the FeNiCoMoV high-entropy alloy. The open-circuit potential test, the potentiostatic polarization curve test and the electrochemical impedance spectroscopy were used to study the effect of corrosion behavior of FeNiCoMoV High Entropy Alloy...

Affected by the environment and equipment, it is not possible to use the camera or sensor to complete the expression of environmental information, if multiple images are used, a large amount of image information will be generated, which is not conducive to data processing, and image fusion technology...

Abstract. Objective: To observe and analyze the curative effect of endometrial polyps’ resection under the hysteroscopy. Methods: From March in 2012 to May in 2014, we select 64 examples of the intrauterine membrane polyp patients in our hospital, and who are randomly divided into two groups, 32 patients...

The paper introduces the development status of wide-area protection (WAP) and the wide- area current differential protection (WACDP) algorithm. Digital signal processor (DSP) TMS320F28335 is used as the controller, the system model is built with MATLAB/Simulink, combined with semi physical simulation...

In this paper, we mainly apply the Wiman-Valiron theory to prove a theorem on growth of a linear differential equation. From this we obtain a uniqueness theorem concerning that a non-constant entire function and its derivative sharing a small entire function.

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The environment after disasters is abominable and complicated. By increasing the wide adaptability of rescue machine to make it operate more quickly and flexibly and increase the efficiency of rescue operation. Based on investigating and analysis of the features of specific environment and functions...

From the analysis and arragment of historical data of wind turbine pitch motor temperature wind speed and other related parameters of hebei chigu wind farm in 2015 ,the paper obtains historical data using 10 minutes as acquisition unit under various operating conditions of wind turbine pitch system from...

Vibration test on hull structures with large size needs numerous amounts of sensors, which means too much work. However, notable error would come from reducing the number of sensors. An approach is proposed to reconstruct the complete structural vibration, which chooses the locations and the number of...

To improve performance for integrated exploration algorithms of multi-robot systems, a two-stage coordinated strategy is proposed in this paper. In the first stage, all robots explore unknown environments by a kind of forth and back trajectories which are shaped by social entropy and a voting mechanism....

Paper presents the results of studying the features of recording acoustic emission waves recorded by fiber-optic sensors. Fiber-optic sensors are used as an elastic medium that receives acoustic emission waves. For this purpose, the optical fibers are embedded in the polymer composite material during...

Two kinds of typical temperature and humidity independent control air-conditioning system are introduced in the paper, and load distribution method is determined utilizing enthalpy-humidity chart thus laying a basis of energy saving analysis for THIC system.

At present, the scientific community attaches importance to the problem of indoor air quality and building energy conservation seriously, the people’s requirement of indoor living environment is also improving constantly, improving the problem of air conditioning energy consumption of building energy...

In recent years, the photovoltaic generation has become an important form of distributed generation. PV is greatly influenced by outside conditions such as light and temperature, and causes the stronger intermittent and randomness of the power output. As a result, storage devices are needed to improve...

Two specimen of concrete beam with recycled brick aggregate and a common reinforced concrete beam as contrast specimen were designed. The beams were simply supported, the width and height of the rectangle section of the beams was 150mm and 300mm, the span were 3m, reinforcement and loading method were...

The naive Bayes algorithm in intrusion detection have the problem of high internal dependence and the data "broken" in decision tree, in order to solve the problem, this paper combines the advantages of section in decision tree and multi-evidence fusion in naive Bayes, uses the Windows Native APIs related...

The electrical motor drives and power electronic converters of More Electric Vehicles usually behave as constant power loads (CPLs), and cause negative impedance instability. This paper introduced R parallel damping filters to stabilize the CPLs systems, and derived large signal stability criteria depending...

This thesis aimed at the characteristics and the structural of a type of truck. It confirmed that its chosen power-assisted form of electric power steering system is Column EPS——that is C-EPS. On the platform of a sort of car we combined with the technical requirements of a certain model car steering...

Pyrroloquinoline quinone (PQQ), an important natural product, is biosynthesized by Gluconobacter oxydans. In order to prepare the product in large scale, a rapid and selective chemical complexation extraction (CCE) is proposed to separate and purify PQQ from fermentation broth. In this work, the effect...

The cloud computing paradigm has appeared: large-scale distributed calculations based on a pool of abstract, virtualized, dynamically redistributable computational resources, granted to external users via Internet on their demands. A cloud computing environments (CCE) get wider application for solution...

In response to the current UAVs need to man-control, poor life, signal transmission distance limitations can not be caused by the application of the UAV for patrolling, this article for the patrol UAV in the life, route planning, communication proposed a certain program, so that UAVs have more powerful...

The construction of fuzzy entropy is one of the research focuses in the field of vague sets. The existing fuzzy entropy formulae have three deficiencies: Firstly, as the increase of hesitancy degree, the change of entropy value is unstable; secondly, when the value of fuzzy entropy is 1, the change of...

In order to obtain the stability and stress data of the surrounding rock mass in the deep region of the mine, a reasonable support scheme and support parameters are adopted to reduce the degree of roadway deformation and damage in the deep region and reduce the cost of roadway maintenance. There are...

Unbalanced in mobility and safety is a latent issue because although speeding has been associated with fatal crash but excessive speed without having been punished still occurs. This study focuses on how to bridge it by identifying the reason, triggering variables and explanatory variables of speeding...

Merangin regency has become one of main areas in Jambi province with rampant illegal gold mining in the Rice Production areas for the last three years, giving a negative impact on the rice farming existing around the mine area. This research study aimed to identify the sustainability of farming rice...

The Global Energy Internet aims to build a new global energy optimal configuration that focuses on clean energy and electricity. This paper studies the global energy configuration mechanism in the context of the Global Energy Internet. First, qualitatively analyze the Global Energy Internet's contribution...

A research has been conducted on development and physicochemical characterization of skin care cream containing essential oils of galangal. The skin care cream containing essential oils of galangal developed consists of a red galangal cream that utilizes the essential oil ingredients extracted from red...

Shandong is a major province located in eastern China, which has large population, prosperous economy and great energy consumption. For better development, more information should be gathered for politic making or energy planning. In this paper, a large amount of information was searched on bibliographic...

Methods used for the determination of potassium content in potassium nitrate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the potassium with high content, the...

The different water reducers have different suitability and different influence of performance with concrete mixture. Combined with the engineering practice, 3 kinds of naphthalene-based water reducer (NSR) and 4 kinds of polycarboxylate-based water reducer (PC) were selected as the objects. The saturation...

Three-piece can is also known as SPTE three-piece can. Due to the whole can being composed of can body, bottom and cap, it is called three-piece can. It is the common metal container used in food, beverage and other industries. Three-piece can making technology has been applied and developed for almost...

Palladium nanoparticles (Pd NPs) supported on active carbon was prepared via ultrasonically treating Pd precursors in ethylene glycol without any protective agents. The Pd/C nanocatalysts were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy...

The sewage treatment system adopts polymerize aluminum chloride (PAC for short) as a flocculant. In the process of selecting flocculant, various factors such as cost, operation, influent water quality, equipment and so on are comprehensively taken into account. A certain sewage treatment work has selected...

This paper presents the simulation works of PID based speed and position controllers for the DC motor used in mobile robot applications. The mathematical model of the DC motor modelling is developed using Matlab System Identification Toolbox based on its input and output signals obtained during open...

Since the Covid-19 pandemic in early 2020, learning at several universities has taken place online. The purpose of this study was to determine the effect of Self-Regulating Learning (SRL) on Student’s Learning Achievement (SLA). This research is an explanatory type with a survey research method. The...

With the widespread application of shield tunneling in large-scale hydropower projects, controlling surrounding rock disturbance has become a critical challenge. This study focuses on the development of an intelligent control framework that integrates multi-source sensing, real-time monitoring, machine...

In response to the environmental characteristics of the tropical rainforest climate in Central America, where the annual rainfall reaches 4,000 mm, this study systematically establishes control points and restricted zones for mineral aggregate gradation in strict accordance with Superpave specifications...

Renovating underground pipelines in old residential areas can better meet the living needs of residents and improve the quality of urban development. To ensure the smooth implementation of the underground pipe rehabilitation project in old districts, This paper presents a model of the factors influencing...

This research aims to analyze public sentiment and perceptions of the Merdeka Belajar Kampus Merdeka (MBKM) policy through data obtained from social media Twitter. MBKM is a higher education policy in Indonesia that aims to provide tolerance and independence for students in choosing courses and accessing...

The mulberry pyralid (Glyphodes pyloalis) is a major pest in mulberry fields, and its control has been a long-standing challenge. Investigating the toxic effects of nitenpyram on the mulberry pyralid and its detoxification mechanisms under nitenpyram stress is of great significance for pest management....

The selection of materials plays a pivotal role in product design and development. With a plethora of materials available, making the right choice is crucial for a company’s reputation and profitability. This research aims to establish an efficient and systematic platform for optimal material selection...

Liquefaction has caused significant failures and represents a significant problem for the community and geotechnical engineering designers. The survey in the Chengdao sea of Yellow River Delta showed the presence of a large number of pits, geological disasters gullies, landslides, residual body and buried...