Advances in Engineering Research

Methanol purge gas produced in the side reaction in the methanol productionwere the inert gas including H2, CO, H2O, CH4 and others, which was used to produce synthetic ammonia as an important part in circular economy industrial chain of Huangling coal chemical industry. In this paper, the process and...

The objective of this experiment is to investigate the effect of Maozhaocao polysaccharide on the thymus and spleen of Immunosuppressive Model Mice. Study the Immunosuppressive model of mice by using cyclophosphamide, for the large, medium and small dose of Maozhaocao polysaccharide, Mushrooms polysaccharide,...

Urbanization growth rate is the conversion speed of agricultural population to non-agricultural population along with the regional population structure transformation process caused by productivity development, modern scientific and technological application and industrial structure adjustment. In the...

The microstructures and mechanical properties of Zn-Al and Zn-Al-Ti alloys wires prepared by continuous casting and extrusion (CASTEX) were studied in detail. The Al3Ti intermetallics in Zn-Al-Ti alloy distribute homogeneously at matrix of Zn-Al eutectics/eutectoid phase, and can effectively refine microstructure...

With the development of road construction, traffic noise pollution becomes more and more serious. Sound barrier, an effective and comparatively inexpensive measure of controlling noise, will be developed to some degree. The sound barrier durability is a very complicated problem. It is influenced by structure...

The production of multi-layer insulation for spacecraft has formed a specialized unit production mode, which has made great progress in terms of production technology and methods.But because there are many types of products and low repetition rates, the production belongs to the production of single-piece...

For many urban inhabitants in Asian countries, Kampongs are residential areas characterized by lack of facilities and infrastructures. They are also assumed to be unclean because of the absence of domestic waste management. Taking a case study of the Kampung Sewu of Surakarta, this work aims to address...

The use of distributed generation (DG) plants, which includes renewable energy resources, allows to stabilize voltage levels, reduce losses in networks and to free couplings transfer capacities. Power quality can be enhanced based on DG in railroads power supply systems (RPSS), as well power supply efficiency...

The paper describes the conformation traits of Salers beef cattle raised in the Tyumen region. The studies were conducted on first-calf cows of different generations. The imported animals belong to the zero generation, their offspring belong to the 1st generation, and the grandchildren - to the 2nd genetic...

Different volume ratios of Al2O3 powder and copper powder are mixed, and a copper-based composite coating is prepared on a pure copper matrix by low-pressure cold spraying technology.The hardness and bond strength of the coating were tested, and the cross-section of the coating was observed and analyzed...

Synbiotic yogurt with purple sweet potatoes as prebiotics and Lactobacillus plantarum Dad 13 isolated from Dadih as probiotic has potential as a functional food, but it requires at low storage temperatures. Freeze-drying technique requires cryoprotectant as a protective product such as yogurt. The aims...

Using semi automatic manual flux cored welding methods, selection of 2.8 (V-100Mo) cored wire for overlaying welding in 36 (Q235B) steel substrate with different welding processes for multi-layer welding experiment. The deposited metal microstructure and mechanical properties of welding rod are analyzed....

Intelligent home has greatly changed people's traditional way of life, but at this stage most of its applications are in the user's home and the remote control support slightly is inadequate. For the status quo, using ASP.NET technology and MySQL database development tools to design and implement the...

Fuzzy factors in the helical gear reducer design are analyzed, and a multi-objective optimization model with minimum volume and maximum bearing capacity is established in this paper. For multi-objectives, single-objective optimal solutions are fuzzified to form fuzzy sets to establish the membership...

With the rapid development of science and technology in China today, nondestructive testing (NDT) has also made dramatic progress. The intelligence of testing process and foolproof of operation process is the most immediate embodiment of this progress, while most of the time such progress needs to be...

The numerical manifold method with special physical patch is used to deal with the seepage problem of turning point singularity caused by sheet pile. The method is applied to four engineering examples, and is superior to the finite element method, when the results are compared with the general finite...

The development of intelligent transportation system is an important strategy to solve the problem of traffic jam in big cities. At present, the intelligent transportation system has developed to the advanced stage, traffic data analysis, control and decision of rich data detection method for data provides...

Cellulose is abundantly obtained from plant however the main drawback it has to be extracted from its source and purified by chemical separation process to remove the hemicellulose and lignin. Certain bacteria such as Acetobacter xylinum produce cellulose during fermentation process. This technique is...

Soap is a product that is one of the people’s needs, used as a body cleansing agent, which is available in many forms and perfume that can be selected according to your needs. Natural soap products are rarely used in the market. Today’s soap products use a lot of artificial ingredients as their active...

Symbiotic microorganisms usually have the same secondary metabolite activity as their host. The aims of this study were determine the biodiversity of symbiotic microorganisms from Caulerpa racemosa grown in Lemukutan Island, Indonesia and evaluate their antibacterial activity. Thirty eight bacterial...

One of the most employed yet simple algorithm for cluster analysis is the k-means algorithm. k-means has successfully witnessed its use in artificial intelligence, market segmentation, fraud detection, data mining, psychology, etc., only to name a few. The k-means algorithm, however, does not always...

The development of the utilization of electrical energy sourced from the sun is currently experiencing very rapid development. The use of electrical energy sourced from the sun is not only used for industrial generation, currently the transportation industry also utilizes electrical energy sourced from...

IoT has revolutionized various sectors by facilitating automation and improving efficiency through the interconnection of billions of devices. However, this rapid expansion has exposed IoT networks to an increasing number of security vulnerabilities, with spoofing attacks being one of the most prominent...

Understanding water discharge processes in mountainous areas with large amounts of precipitation and high hydraulic gradients is important for disaster prevention and water resource management. In recent years, it has become clear that mountain bodies themselves have water storage functions in addition...

Ultra high performance concrete (UHPC) is a new type of cement-based composite material with superior mechanical and durability properties, which can reduce the self weight of the structure and prolong its service life. Based on this, a finite element model of 10 composite columns was established to...

Because of the active transit and complex road conditions, the construction road is prone to congestion and material scheduling challenges. As a result, this paper proposes an off-site material flow control method, as well as an on-site right-of-way-based transportation vehicle scheduling method, which...

This paper provides a comprehensive framework of project risk management as guidance for managing a project risk – to know, evaluate, control, minimize a project risk. We proposed a framework project risk management based on International Standardization Organization (ISO) 31000. Project risk management...

In the construction of hydroelectric dams, the efficiency of concrete transportation directly impacts the quality and timeline of the dam. Currently, concrete transportation scheduling still heavily relies on manual coordination, which makes it difficult to truly obtain the actual efficiency of the transportation...

Since the concept of City Information Modeling (CIM) was introduced, scholars in China have conducted extensive research and discussions on CIM, with the government also allocating significant resources to its development, achieving a breakthrough from non-existence to existence in CIM research and construction....

Anodizing is one way of coating oxidation on aluminum, which is carried out by anodic oxidation at room temperature with the help of an electric current so that a chemical reaction occurs so that a layer is produced that can protect the metal from the effects of corrosion. The objective of this study...

SSVEP based BCI system helps Tetraplegia patients to communicate and control devices based on Steady State Visual Evoked Potentials (SSVEP). Home automation systems are in huge need for the Tetraplegia patients to control home appliances like nurse calling system, lights, and Television sets by using...

In order to ensure the smooth flow of municipal roads and avoid a large number of demolition and renovation operations, the substructure of the Rama III to Outer Bangkok West Ring Expressway project is designed as a cap beam of portal pier, and the construction adopts the fully-suspended short-line combination...

This paper introduces a novel equilibrium optimizer algorithm designed for maximum power point tracking in permanent magnet synchronous generators operating under randomly varying wind speed conditions. The algorithm draws inspiration from controlled volume mass balance modes, enabling dynamic and equilibrium...

Audiences are exposed to more and more TV commercials of luxury goods, including perfumes. This paper analyzes TV commercials of female perfumes and fragrances from four luxury brands, namely Coco Chanel, Christian Dior, Lanc"me and EstŽe Lauder. By using content analysis method, This study discusses...

Taking an abandoned quarry located in Chengang town of Zhoushan city as an example and on the basis of investigating into vegetation and soil condition, the physicochemical properties of soil and plant community characteristics are analyzed. The results indicate: the physicochemical properties of the...

Distributed control systems with high nonlinearity and with uncertain characteristics, make the control development a very complex task. In the last period several control methods were developed, presenting different performances but there is still room for improvement. In order to overthrow the complexity...

Objective: After earthquake occurring in pastoral areas, due to the reasons such as many animals are dead, drinking water is polluted, the condition of food hygiene is poor, the weather is hot and the other factors, it is extremely easy to occur anthropozoonosis. The purpose of this study is to prevent...

In order to meet high precision and high reliability required for the permanent magnet linear motor servo system, a method that combined sliding tracking mode controller and the H disturbance compensator is proposed. The weighted integral gain sliding mode controller effectively solves the problem of...

Highway is an important transportation infrastructure,so it is meaningful to study it. Consider a toll highway having L lanes of travel in each direction and a barrier toll containing B tollbooths (B > L) in each direction.We establish the M/M/N system model based on the queuing theory, and get the basic...

Abstract. Objective: To observe and analyze the curative effect of the Trimetazidine joint with Metoprolol in the patients with heart failure and coronary heart disease, the treatment of patients with coronary heart disease with heart failure to provide certain reference. Methods: From May 2013 to May...

Based on the construction of intelligent electrical pilot in the state grid corporation of China, fully grasp the requirements of intelligent power demand management, intelligent network based on the research of smart grid-oriented Advanced Metering Infrastructure (AMI), we design and realize the family...

In order to ensure sufficient terrain information for the underwater terrain-aided navigation, a global path planning method based on Ant Colony Algorithm (ACA) is proposed. The concept of feasible region is firstly defined, and then pheromone representation, heuristic functions and pheromone updating...

Plastic hinge can be used easily to optimize the reinforced concrete structures, but compared with fiber element model used widely in general FEA software,it cannot present accurate solutions for some complex problems. In order to propose visualized results of structural damage for fiber element method,...

Control of chaos in a dual-ring erbium-doped fiber laser is studied by modulating the laser pump and its physical model is presented to induce the dual-ring erbium-doped fiber laser to a cyclic state and other dynamics states via adding a periodic signal to the pump. When one pump is modulated by a periodic...

Taking the 12108 working face 3-1 coal seam in Lijiahao coal mine as the engineering background, comprehensively applying roof borehole observation, multi-base point displacement monitoring, measuring the range of loose damage of surrounding rock and other measurements to get in-depth knowledge of the...

For research on the strengthening and repairing technology of the concrete flexural members, mechanical properties and deflection deformation of reinforced concrete flexural members are studied by means of several experiments which are pasted the carbon fiber cloth in tension section. This article made...

To ensure the seismic safety of existing buildings, the Taiwanese government has been pushing seismic retrofit of old buildings in recent years. In these projects, one of the most frequently used techniques is column-jacketing, which is accomplished by encasing existing columns with a thick cover of...

This paper mainly have a comprehensive evaluation on the control of smart distribution network project investment during the construction process from the term of investors. First, according to the cooperation management, analyze the demand of investors’ investment control, build the index system of...

The industrial clusters are an effective economy that has played an important role in promoting regional economy and crate employee opportunities. But for poor capability in applying and protecting intellectual property, china clusters are withering. The essay introduces the status quo of the clusters...

Rotating inertial navigation system(RINS) using rotating modulation technology to compensate the error of inertial sensors and it can improve the precision of the navigation system. Rotation modulation scheme, including rotation coordinate system and rotation direction, plays a key role in RINS. In this...

Developing physical methods to detect aflatoxin is a significant area of research in food safety. Because the current detection methods that use near-infrared spectroscopy are not sufficiently accurate, we focus here on using Terahertz Time-Domain Spectroscopy (THz-TDS) to detect aflatoxin B1 in food....

With the development of society and progress in science and technology, the social competition has been fiercer and fiercer, printing factories also face more challenges and developments, and more and more printing factories hope to reduce the waste rate of printing products reasonably, so as to continuously...

Fault diagnosis expert system obtains the operation of power grid by monitoring the change of dynamic database. While all kinds of measurement, switching value and a part of status records and documents about the status of power grid operation transferred by fault information system and SCADA system...

The problem of imbalances in inter-regional fish stocks, the monopoly of fish distribution by some collectors, the scarcity of fish stocks in some regions still occurs in Indonesia while the country has established National Fishery Logistics System (NFLS). One of the factors causing the problem is of...

Pollution of the environment, besides doing harm to nature, leads to various diseases of the population living in the contaminated area, including cancer diseases. Environmental pollution of the territory of the Republic of North Ossetia-Alania is mainly caused by enterprises of non-ferrous metallurgy...

This paper introduces the principle of electromagnetic induction of the high tension line. With the aid of the spark plug, induced charge can be transferred to the high voltage winding in the form of short pulse and then generate induced current .With the appropriate circuit, the induced current can...

By applying the theory of inequality on time scales and the Lyapunov function method, we obtain some sufficient conditions which guarantee the permanence and existence of a unique uniformly asymptotically stable almost periodic sequence solution of a Lotka-Volterra system with feedback controls.

The purpose of this study were to determine (1) the income of Salak Nglumut (Salacca Zalacca) farmers, (2) the impact of capital on income, (3) the impact of age on the correlation betwen capital and income; (4) the impact of land area on income, (5) the impact of age on the correlation between land...

In this study bovine bone material was cured with alkaline solution (calcium oxide) for 10, 30 and 50 days and extracted at three temperature levels (60 °C in extraction I, 70 °C in extraction II, and 100 °C in extraction III) each for 4, 5 and 6 hours. The results showed an increase in the percentage...

New pathway for HCOOH decomposition to CO in the gas-phase on Pt(111) surface is proposed. By performing density functional theory calculations, this paper has evaluated the detailed reaction process, including energies and geometric structures of intermediates and transition states. The present theoretical...

A novel and efficient molecular imprinted polymers (MIPs) electrochemical sensor based on metal coordination technology was prepared by electro-polymerization, which was applied as a molecular recognition element to modify glassy carbon electrode (GCE) to construct an electrochemical sensor (MIPs/IDA/GR/GCE)...

In order to study the influence mechanism of the elastic modulus of steel wire rope on the high-speed elevator hoisting system of comfort, with high speed elevator vertical vibration as the research object, the establishment of high-speed elevator hoisting system of longitudinal vibration of discrete...

A heat pipe photovoltaic / thermal (PV/T) component on the basis of active air-cooled was designed and constructed. The heat pipe evaporation section was used for cooling the back plate of solar panel, and the condensation section was arranged in the air flow passage. A axial flow fan was arranged at...

DOA estimation in FDD systems is a core issue for smart antennas. In this paper, an equidistant linear array is divided into two identical sub-arrays, and then a DOA matrix is constructed, the eigenvector matrix of the matrix is the array manifold of the signal. After eigenvalue decomposition of the...

The paper notes that ecotourism as “good” tourism can take place only in the presence of legal restrictions based on proper monitoring and assessment of the impact on the environment. The purpose of restrictions in ecological tourism is: to ensure the harmony of the relationship between man and nature;...

A micro-simulation model is a crucial tool in the study of transportation, especially in complex traffic systems that include interactions between components in it. Therefore, the accuracy of the model must be considered by calibrating the parameters used and validating the model with observation data....

Concerning the issue of place attachment, the research tends to observe the functional attachment, which will affect the level of attachment in Hiraq Square Lhokseumawe (HSL), a renowned public space among local people in the city of Lhokseumawe, Aceh, Indonesia. Place attachment is known as a process...

The use of split air conditioning (Split A/C) on residential applications, hotels and office buildings is currently the best solution to get more comfort when staying in a tropical country. The problem is Air Conditioner in a home or office building consumes 50% to 65% of the total electrical energy...

The tourism sector, especially in Samarinda and its surroundings, is a sector that is experiencing quite dynamic development in supporting economic growth in the area. Apart from being one of the centers of education, Samarinda is also part of a tourist destination city in East Kalimantan. The objectives...

One of the implementation of a human face recognition system is an attendance system application. Attendance system is used to detect and recognize a person’s identity and stored as a face database. The face-based presence system developed in this study is a facial presence system using a hybrid feature...

The pursuit of lightweight maetrials, materials with high-strength has led to significant advancements in the field of aluminum matrix composites (AMCs). Among these, aluminum alloy 7075 is notable for its exceptional mechanical properties, making it a popular choice in structural, automotive and aerospace,...

As Extended Reality (XR) technology evolves, the development of immersive XR content, such as images and videos, has accelerated. The complexity of these products has heightened the demand for high-quality 3D geometric data. Given the vast size and intricacy of 3D geometric data, researchers are focusing...

Automated detection of intestinal parasites is crucial for improving diagnostic efficiency and accuracy in parasitology. This study evaluates the performance of three object detection models: Faster RCNN with ResNet back-bone, Faster RCNN with RetinaNet backbone, and YOLOv8. A dataset comprising 2000...

Pulp and paper industry is one of the most important and growing industrial sectors in the world. Global pulp and paper production continues to increase along with rising demand from year to year. The pulp industry generally uses hardwood for Kraft pulp production which is also integrated with paper...

Guide vane is a key component of reversible pump-turbine for flow regulation and guidance. In the start-up process of pump mode, guide vane will be closed for a long time until runner rotates in full speed and then continually opens maximum. When the opening angle is small, guide vane suffers large and...

Engineered Cementitious Composite (ECC) materials have high ductility, but their large consumption of cement is not in line with the current demand for green economy. In contrast, alkali-activated ultra-high ductility concrete (AUHDC) without cement aligns better with the concept of green construction....

Traffic accidents still are prominently among global fatalities and the need for real-time and accurate impact detection presents a big challenge to advanced protection systems. A vehicular impact estimation hybrid quantum-classical model is proposed in this research based on data provided by smartphone-integrated...

Gula aren, or gula merah, or gula kawung is a sweetener made from nira derived from the male flower clusters of the sugar palm tree. Palm sugar is usually also associated with any type of sugar made from nira, which is the liquid released from the flowers of trees from the palm family, such as coconut,...

The distribution of electrical energies has grown the economy, social, and education, so the reliability is very important, the grounding resistance that is lower than 5 ohms is required for the low voltage distribution system according to PLN standards. The Bali State Polytechnic Electrical Workshop,...

Environmental pollution, climate change, energy tension is now the global prominent question, the development and utilization of renewable energy to become one of the key measures to solve these problems. Wind power acts as a kind of safety, environmental protection, clean, abundant renewable energy...

In this study, tensile, inter-granular corrosion, and impacting tests were carried out to investigate the mechanical property characteristics of X65MO-316Lclad hot rolled coil trial produced by 2250mm hot continuous rolling line, which is applied for the manufacture of offshore line pipe. SEM (Scanning...

In this paper, researchers establish and verify a method on the determination of B2O3 in boron nitride through volumetric titration. Three criteria including proportionable system error, extra system error and statistics error are investigated in detail. The results show that, this method meets the requirements...

Subcritical 1, 1, 1, 2-tetrafluoroethane (R134a) extraction is a modern extraction technology in natural product perpartion. The optimized process of extracting astaxanthin from Antarctic kill (Euphausia superba) through subcritical R134a was systematically investigated in this work with respect to the...

We first present a formula on the conditional expectation by the regular conditional distribution function. Using this formula, we can obtain a corollary under the condition of independence which applies in many cases. Then some examples are given to illustrate the applications of the results.

Since the 16th CPC National Congress, Integrated and coordinated urban and rural development into national strategies. Integration of urban and rural road passenger transport is an important support for the development of urban and rural integration, Promote integrative construction of urban and rural...

The bus power balance is an important index to quantify the power system basic data. In view of the current shortage of power imbalance evaluation at single time section, in this paper, imbalanced power is regarded as a normal distributed random variable and the its historical data is statistically analyzed....

In order to research the quality coordination mechanism of logistics service supply chain in condition of bounded rationality, based on research method of logistics supply chain optimization model of evolutionary game theory of intelligent algorithm, evolutionary game model for quality coordination of...

Shale gas and coal-bed methane are very important unconventional resources. Shale gas and coal-bed methane are the most effective supplement of the conventional fossil energy, and the quantity of these resources are abundant. So the shale gas and coal-bed methane have been gained comprehensive attention...

With the worsening of environmental pollution issues, applications of molecular biological techniques to the field of environmental pollution treatment have also drawn wide attention. These techniques can contribute to efficient treatment of environmental pollution through microorganism, and boast the...

Because the weights and thresholds of BP neural network usually adopt random assignment, there is a problem of low accuracy in software reliability prediction. In order to solve this problem, a software reliability prediction algorithm (MHPSO-BP) based on multi-layer heterogeneous PSO optimized BP neural...

To adjust the parameter PID of boiler water level control.Analysis of the problems existing in the Marine boiler water level control.[Method] Using fuzzy neural network, Fuzzy neural network is the combination of neural network and fuzzy logic. the traditional PID control and fuzzy neural network control...

It’s important to access the status change of switchgear in switching station for condition maintenance. With regard to the online assessment for the resistance of switches in the switching station with 3/2 connection mode, linear equations can be established on the basis of real-time current measurements....

Steel riser-guards are installed on offshore jacket platforms to provide protection to risers against vessel collision. As risers transport the crude oil which is highly flammable, a collision between vessel and risers has the potential of causing severe structural damage to the platform and injuries...

This paper researches on the characteristics of the foam system chosen for CO2 foam flooding in the low permeable oil fields. In view of the actual situation of the oilfield high temperature, high salinity and water injection difficulty, the selected agents must also meet the requirements of stability...

Magnetic nanomaterials have received tremendous attention in the past years due to their unique magnetic responsiveness and corresponding wide applications in many fields. Herein this paper presents several methods to prepare monodisperse magnetic microspheres through a facile hydrothermal technique....

According to the collected geological data, this thesis has systematically summarized the development feature of folds of No.5 coal seam in Chenghe-Second coal mine by counting and analyzing the setting of regional geological structure and characteristics of mine geological structure. Based on the above-mentioned...

Power flow diagram is an important tool of modern Energy Management System (EMS) for system operators to schedule the operation and maintenance plan, examine security situation and dispatch in real-time. Manually creation and maintenance of power flow diagram of large scale power grid is time consuming...

The keratin was extracted from the wool by sodium sulfite dissolving system. And then different ratios of keratin/polyethylene oxide (PEO) formic acid solution were prepared. The rheological properties and conductivity of solution were studied. The influence of the proportion of keratin/PEO formic acid...

In order to enhance the effectiveness of on-the-job training, and hone the communication and coordination skills of trainees while improving their professional and technical skills. This paper discusses the significance of homework sharing in vocational training, the principles of task selection, the...

Frequency automatic tracking is a main characteristic of ultrasonic power system, especially in the field of biological decomposition. In this paper, after analysing characteristics of multiple peaks of transducer, a reliable power control and frequency tracking strategy is introduced. It is based on...