Advances in Engineering Research

Accurate cost estimation in engineering projects is vital for effective planning and risk analysis. Traditional analytical models yield high precision but compromise on interpretability, hence limiting managerial confidence. In this paper, a reproducible, Python-based explainable-AI (XAI) workflow integrating...

Objective To study the paper acute incremental load movement before and after the red cell immune function and the change of T lymphocytes and their subsets. Selection methods in January 2014-May 2014 in our hospital outpatient treatment of 122 cases of patients as the research object, the elbow vein...

This paper addresses the problem of wideband time-frequency-varying signal sub-Nyquist sampling and reconstruction based on compressed sensing (CS) framework. We propose a system of blind and sparsity level adaptive signal reconstruction for wideband signals with sub-Nyquist sampling. We utilize modulated...

This paper presents a shape adjustable C-C subdivision algorithm by introducing adjusting parameter . Based on this algorithm, this paper proposes a shape adjustable surface modeling method with explicit solutions of Bézier control points by taking 2-ring singular points as the control grid and using...

As metro and urban light railway transit projects are rapidly launched in China, land exploitation projects along the railway are increasing too, and lots of new buildings’ deep foundation pit work are located around metro station and tunnel protection sphere, the metro station will inevitably be influenced...

Cu2O/ TiO2 composite photocatalyst was prepared by precipitation method using Titany l sulfate, cupric nitrate and ethylenediamine as raw materials. The photocatalytic performance of photocatalyst was investigated by degradation of Methylene blue solution.The results showed that composite photocatalyst...

This thesis put forward a physical force-driven packing optimization design method for solving the Strip Packing Problems (SPP). This thesis researched on the following aspects: The mathematical optimization model of SPP is proposed firstly. Based on the convex hull plus rubber band compact layout method,...

American economist K-Paulding first put forward the concept of "Circular Economy" in 1960s. The Kitakyushu of Japan was once a heavy industrial zone with the most acute contradiction between development and environmental problems. Since the 1960s, Japanese government started to develop circular economy...

As one of the Taoist architectures in China, Laojun Cave possesses significant historical value, artistic value and scientific value. In order to effectively protect this cultural heritage with rich connotation and precious value, this paper explores how to play an active role of culture heritage in...

Polycyclic aromatic hydrocarbons have very strong toxicity, it has intended to must be controlled primary by U.S. Environmental Protection Agency and the European Union. In this study, we investigated the samples of groundwater in 7 provinces of southwest China. The main conclusion is: (i) we detected...

The course of temperatures in the construction is one of the main indicators of well- designed and implemented wooden buildings. And improper design may cause the penetration of cold outside air into the structure which may negatively affect the whole construction of wooden house. This article focuses...

One new type piezoeletric microactuator was designed in this paper, in order to improve the output characteristic of microactuator mechanism, piezoeletric analysis was performed and the optimization model was built with wb and as design variables, the maximal output horizontal-plane displacement and...

Steam system is one of the key aspects of energy saving and consumption reduction in iron and steel enterprise. On the basis of analysis the utilization status and utilization potential of steam system in iron and steel enterprises, this paper establishes a steam system energy utilizing efficiency assessment...

Internet of things(Iot) continually produce a large amount of data , need to collect, process, storage, analysis and make use of these data. There are too many nodes in the Internet of things, the data is huge, and it needs a distributed data management system to manage and integrate. For the traditional...

A 55 MW steam turbine in geothermal generation power plant has been in service for 26 years. This turbine stopped working in 2013 due to the failure of a first stage blade. By considering the damage and maintenance works are important for geothermal turbine to maintain the reliable operation before it...

Compared with the traditional serial robots, parallel robot has prominent features such as high rigidity, high bearing capacity, high precision, small error, low motion inertia and inverse kinematic solutions easily, which makes parallel robot widely used in light industrial automation production line...

Amber, copal resin and anime belong to the natural resin formed in different geologic age, which are similar and transitional in the physical and chemical properties. The artificial heat- pressurized treatment copal, synthetic resin, pressing amber and covering film amber are similar to amber in the...

Maintaining constant biotypical composition of cultivars and control of their varietal purity are the mandatory requirements for achieving stable high yields of crops. Method of prolamin electrophoresis has been successfully applied for the varietal purity control of batches of original and reproduction...

We use the microwave technology to extract the lutein from the marigold. The effects of microwave time, microwave power and solid - liquid ratio on the yield of lutein were studied by single factor test and orthogonal test. The results determine that the best extraction conditions are as follows: microwave...

Based on the strategic vision of the Chinese government to build the new Silk Road Economic Belt. This paper aims to discuss the new Sustainable development scenario in Syria, according to "shaped: G ng: hands joined". SWOT analysis of the information collected for proposing a new development axes that...

Uniaxial tensile strain of FRC is 100-300 times of that of the ordinary concrete, with tensile strain hardening behavior. The experiment study showed that if FRC was used to replace ordinary concrete as the diagonal reinforcement small span-depth ratio coupling beam matrix, it can improve the ductility...

Shifting performance of Manual Transmission is very important for users and manufactures of Manual Transmission. Traditionally, shifting performances were tested on test bench equipped with pneumatic shift manipulator, which was low efficiency, low control accuracy and noisy. In order to improve test...

This paper analyses the whole process of charging behaviour of new energy vehicles in Lanzhou City through the travel chain, adopts the two-step mobile search method based on the segmentation function, conducts a spatial accessibility study on public charging facilities in Lanzhou City's Anning...

Based on investigation data on Pb in bottom waters in Jiaozhou Bay during 1979-1982, we analyzed the horizontal distribution features of Pb. Results showed that there were high value regions in bottom waters in the center of the bay mouth, and there were three horizontal distribution features of Pb contents...

Plastic sand has more widely used in bed load and suspended load sediment model tests in recent years, But the plastic basic limited to fine sediment simulation test, Size large granular sediments (gravel-shaped plastic sand) less test.This project through the Flume, Set up incipient velocity formula...

This article studies the problem of vehicle emergency evacuation in urban large-scale activities. Genetic algorithm and ant colony genetic algorithm are applied to the vehicle emergency evacuation separately. Finally, we choose the Shenyang Olympic Sports Center as an example, and the simulation results...

In the paper, effectiveness method and implementation process in the evaluation process are studied from the aspect of solving key problems in the evaluation process aiming at the problem that the performance of dedicated IP network information security system can not be evaluated easily. The evaluation...

This paper presents a simplified method for calculation of thermal efficiency of the solid fuel fired boiler on-line.Although this method simplifies complicated calculation and adopts some approximate calculation,it still includes almost all items of heat loss proposed in ASME PTC4[1],which makes it...

Temperature is one of the most commonly used parameters in industrial and agricultural production process, master precision of temperature measurement and control technology, has an important significance for practical applications. Furnace temperature control system is mainly to complete the temperature...

For enterprise decision-makers, it is crucial to timely find technology competitors and analyze competitive situation of industrial technology. A method for discovering technology competitor groups based on graph clustering is put forward to improve the precision of clustering results. The method extracts...

The relevance of the article is due to the need for wider use of the alternative fuels in internal combustion engines. Advantages of using fuels of vegetable origin as motor fuels are shown. Experimental research of diesel engine D-245.12S functioning on mixtures of diesel fuel and mustard oil of various...

Some kinds of slope slipping induced by seismic liquefaction are researched and listed by summarized the earthquake –disasters ,the status and conditions of liquefied soil layer including faults, the level of underground water ,buried-depth, the angle ,thickness and scope of liquefied soil layer are...

The solidification process simulation of the fused cast AZS material to predict porosity and cavity has not been extensively researched. Using software Any-casting, effects of the thermal expansion coefficient on solidification sequence, solidification percentage, solidification time, difference of temperature gradients,...

The Northern Yinchuan Plain is a productive agricultural area of northwest China, which is under threat due to soil salinization. According to the formation and restoring history of soil salinization, the analytic hierarchy process (AHP) was adopted for analyzing the causes of soil salinization and efficiency...

Higher education in China has been growing rapidly in recent years. Sustainability in higher education has also achieved much attention. The concept of green university was proposed more than 10 years ago in China. It has received the positive response from colleges and universities, which also achieved...

Power analysis, proposed by Paul Kocher in 1998, is now a common kind of side channel attack on cryptographic devices. Mask technology protects devices by randomizing the intermediate values that are processed by cryptographic devices which makes the power consumption independent of the intermediate...

With the development of urban economy, highway passenger transport hubs as the internal and external communication bridge between cities, become more and more important. The traffic organization directly impacts the efficiency of the hub. This paper analysed the present situation of traffic organization...

S' factor is very important for operational existence of underground mines i.e. Stability, Stress, Shaft, Stoping and Safety. These factors depend on geology and in situconditions around the excavatedzone. Major geological discontinuities and uncertainties in geology, sometimes have a deleterious effect...

In surfactant-polymer binary flooding, to study the effects of polymer in emulsion seepage flow rules in porous medium, artificial sandstone cores were established to carry out the experimental analysis. Biology microscope and sample analytic control methods were employed for all samples. Results displayed...

This article designed the packaging box of CJX2-150 contactor through observing the size, shape, weight and test the property of the contactor, briefly introduced the procedures from design to modeling of the packaging box. The idea of the packaging design, the components of packaging, and the notes...

This paper studies the stability of operation of waste incineration power plant dust bag system, the first to adopt comprehensive evaluation method based on fuzzy analytic hierarchy process to build dust removal system stability model, the stars finally got nine factors affect the stability of the system...

Based on analyzing the incompleteness and uncertainty of information existing in missile fault diagnosing system, a new fault diagnosis method based on wavelet transform and neural network is proposed. The wavelet transform is used to pre-process data and extract fault feature vectors. The neural network...

Modern architecture and construction design, leading floor system to have longer spans, lighter weight, and lower damping. However, it can cause a floor system to have excessive vibration. Vibration on the floor system is the second most frequent source of complaints from building occupants. Hollow Core...

The development of digital information raises the demand for insight extraction from large data in the shortest possible time. Users suffer from inability to keep updated due to growing online news content and time limits. There-fore, this solution combines text extraction using OCR (Tesseract) in newspaper...

Based on the Decree of the Minister of Energy and Mineral Resources Number 1827/K/30/MEM/2018, one of the criteria for successful reclamation is land construction which has the highest weight, namely 60% of the total assessment. The land use management is very important because it will support revegetation...

In this paper, the effect of different concentration of Sr2+ doping on the synthesis of Mn-Zn ferrite precursor by sol-gel method was studied, and the final product was synthesized by high temperature sintering. It showed that the spinel phase ZnFe2O4 of Mn-Zn ferrite gradually increased with the increase...

An integrated non destructive testing system using AMR magnetic sensor is manufactured which contains detection technology of metal magnetic memory(MMM), magnetic flux leakage(MFL) and Barkhausen(MBN) in order to detect the defects of ferromagnetic materials rapidly. The test of 45 steel specimens with...

Amphibious vehicle shape changing shape structure, compared with the hull, its water resistance factors more and more computationally complex. Calculated using the traditional theory it is difficult to accurately estimate their water resistance force and distribution. In this paper, the water resistance...

Shotcrete is the best method to deal with the slope repair, surrounding rock bolting and other projects. This paper first summarizes current situation of the development of the sprayed concrete at home and abroad, and points out its characteristics; Secondly ,discussing the supporting principle and the...

In the light of the major problems existing in the current laser engraving image processing software such as lack of third-dimension and lifelikeness, missing detail information, having pattern trace, this thesis using visual characteristics of the human eye, the pattern dithering method in print areas...

For the moment, the lead-acid battery is usually used as the startup power source of diesel generator sets, but in some alpine regions, the discharge capacity of the battery is obviously decreased, which affects the normal start of the diesel engine. In order to solve this problem, a new type of startup...

Epoxy resin/polyetherimide/graphene nanoplates (EP/PEI/GnPs) composites were prepared by solution blending, and the effects of GnPs on the phase structure and electrical properties of the systems were investigated by scanning electron microscopy (SEM), optical microscopy (OM), digital ultrahigh resistance...

In order to solve the problem of river water pollution and river bank collapse in rural areas, in this paper, the ecological management project of Heidingzi River in Changchun City is taken as an example to study the design of river structure and the optimization of ecological revetment. In the process...

Climate is an important factor that affects architectural design. In different regional conditions, it should have different structure and space distribution, that is, the regional technology of adaptation to climate. According to the climate characteristics of the middle and lower reaches of the Yangtze...

the stable control for industrialization automatic control system is the key for stable working of automatic control system. In the process of automatic control with the traditional algorithm, the influence of the outside interference factor to the automatic control system is not considered, thus, the...

This paper is mainly aimed at making an assessment of the flying collision risks between the military and civilian flights. The collision risk model of military training airspace and civil flight route was constructed based on the study and research of the collision risk of civil flight Event model....

The paper considers the service spacecraft (SSC) with electric propulsion system (EPS) to approach the objects of space debris (OSD) and its transportation into a disposal orbit. It suggests the SSC operation algorithm and different ways to ensure its implementation. The paper also provides the equations...

With the popularity of smart growth raising worldwide, the sustainable development of cities has attracted more and more attention. We define Sustainable Development Metric (SDM) as our metric to describe the smart growth in Lhasa. The three-hierarchy structure is built and there are 1 first level index...

Penman-Monteith equation is widely used to calculate the reference crop water requirements, which is composed of two parts: the first part is the radiation part and the second part is the aerodynamics item. Penman-Monteith equation requires more meteorological factors compared with the Hargreaves formula...

Cat's eye modulating retro-reflector makes fast ATP, very high speed, small, light and low power consumption free space optical communication link possible. This paper analyzes the principle of free space optical communication based on cat's eye modulating retro-reflector using a multiple quantum well...

This paper briefly analyzes the status quo of uninterruptible power supply of the survey vessel communication system, expounds the composition of communication power supply, principles and functions of uninterruptible power supply, and puts forward the optimal design scheme of the existing power supply...

This study focuses on Teachers’ Teaching Strategy to improve Students’ Speaking Achievement in Online Learning. The Covid-19 pandemic has changed the learning system in school. Therefore, teachers are required to be creative to improve students’ achievements in online learning. In the world of education,...

Urban transportation agencies face challenges in the design, construction, and maintenance of infrastructure. This conceptual paper aims to explore the potential of innovative technologies in transforming urban transportation systems in Ghana, with a focus on sustainable facility management (FM) practices...

Aluminium metal matrix composites, often known as AMMCs for short, have seen a rise in their utilisation as a result of the expansion of the industrial sector. Their extraordinary mechanical and tribological qualities have piqued the curiosity of a variety of industries, including the aerospace industry,...

This study addresses the challenges of managing chromium-contaminated sites by systematically examining phytoremediation technology and its associated full-cycle management system. Our findings indicate that chromium pollution primarily originates from industries such as electroplating and chromate production....

Traditional static arbiters cannot cope with scenarios with large fluctuations in resource demand, especially in multilateral bus systems and network switching. In recent years, evolutionary arbiter (EVOA) based on evolutionary algorithms provides a flexible and efficient resource scheduling mechanism...

The problem of limited accessibility and uneven public transportation facilities requires the construction of proper bus stop houses at bus stop points. This study aims to analyze the feasibility of constructing the Trans Metro Dewata bus stop house by considering four main criteria: land use, passenger...

Efficient irrigation is essential for sustainable chili cultivation, particularly in open-field agricultural areas in tropical climates with limited access to electricity and water. This study presents the development and field evaluation of an IoT-based solar-powered irrigation system that dynamically...

Different circumstances and impact of a variety of factors in the actual operation of economic responsibility audit of off-post cadres in internal audit, a structural equation model was established to improve the efficiency of economic responsibility audit of off-post cadres and by observing the links...

Compared with ordinary concrete, recycled concrete has multiple weak interface structure, which is the main reason for the low performance of recycled concrete. Based on the construction of the recycled concrete multi interface model, the vivtorinox hardness of three kinds of interface structure of recycled...

Walnut peptides were obtained through special enzyme or hydrolytic enzyme enzymolysis with walnut residue as raw materials and degree of hydrolysis as index. The results showed that special enzyme was the optimum proteinase. The optimum hydrolytic conditions were as followed: the optimal enzymatic hydrolysis...

In order to probe into and solve the problems of rural residential heating by using solar energy in winter, the indoor and outdoor thermal environmental parameters of a passive solar heating house are tested and indoor thermal environment is analyzed and evaluated using the operating temperature in this...

For the problem about identification of VSAT network, a VSAT network identification technology using the priori information of VSAT network is proposed based on synchronization among different carriers' bursts. The validation via practical data shows that the method is applicable to the VSAT network...

Modern green building materials have the virtues of energy saving and environmental protection. They are the development direction of modern building materials. This paper introduces several modern green building materials, including concrete materials, green wood, insulation materials and green waterproof...

Aerospace structure requires lightweight panels to obtain weight saving and strength. It is well known that lightweight and stiff, sandwich panels are one of a vital element of aerospace structural design. In sandwich structures, the face sheets are the main load-bearing element. Since conventional polymer...

The thickness control system is an important method to realize the high precision hot rolling. By analyzing the Siemens thickness control model, this paper introduces the algorithm and principle of MN-AGC with smith predictor. The SIEMENS CFC program was used for fuzzy MN-AGC function development, to...

With the widespread use of antibiotics, environmental hazards caused by antibiotics and resistant bacteria residues have attracted wide public attention. In this paper, fluorescence quantitative PCR was used to detect and analyze the removal, distribution and influencing factors of four sulfonamide antibiotic...

The problem of scheduling independent jobs on identical parallel machines for minimizing makespan has been intensely studied in the literature. One of the most popular constructive algorithms for this problem is the LPT (Longest Processing Time First) rule whose approximation ratio has been proved by...

This paper presents scour protection measures at the Citarum riverbed due to obstruction of the Batujajar bridge piers used what-if analysis. Various studies have been carried out and developed for more than 30 decades, showing that the scour phenomenon causes many cases of bridge collapse in the world....

This study examines the response characteristics and damage mechanisms of masonry wall structures subjected to multi-cloud explosion conditions, emphasizing structural vulnerability and risk under explosive loads. Through numerical modeling and experimental analysis, pressure, displacement, stress, and...

Indoor positioning has become an on-going issue in recent years. Artificial Intelligence (AI), especially Machine Learning (ML) and Deep Learning (DL) algorithms assisted WiFi and Bluetooth Low Energy (BLE) fingerprinting indoor positioning systems are regarded as common techniques. This work conducts...

As a key component of industrial robots, the performance stability of the rotary vector (RV) reducer is critical for operational efficiency and reliability. In variable operating environments, RV reducers often encounter challenges such as speed changes and load fluctuations, which can lead to internal...

Numerous comprehensive studies, both domestically and internationally, have extensively investigated the estimation of Probable Maximum Precipitation (PMP) over durations ranging from 1 to 3 days. However, there remains an unaddressed need for a systematic approach to estimate PMP over short-term. In...

Objective to study the preventive effect of hormone replacement combined with exercise on osteoporosis of postmenopausal women. Methods 70 postmenopausal osteoporosis patients in our hospital obstetrics and Gynecology treated according to different therapeutic methods were divided into treatment group...

Constructed wetland ecosystem is a complex project, and the removal mechanism is complicated. This article is mainly summary the degradation mechanism of pollutants from the main processing and removal method of wetland functions. Constructed wetland treatment effects on plant species, substrate, microorganisms,...

The monitoring of indoor formaldehyde and other harmful gases has attracted more and more attention. In this paper, the wireless sensor technology was introduced into the monitoring of formaldehyde gas. The realization of the hardware and software design of wireless sensor nodes, the design of the real-time...

Ballistic missile is becoming secret weapon of modern warfare because of its long distance attacks, low radar cross section, high speed and high accuracy with flexibility with nuclear warheads. In order to reduce its penetration, impact factor of ballistic missile characteristics of targets detected...

This paper is to propose a water diversion scheme to alleviate the shortage of water resources. We select six main reservoirs around Beijing, consider each reservoir characteristic parameter and use Improved Analytic Hierarchy Process to calculate the weight which can fix the problem of subjectivity...

Welding experiments of DP980 high strength steel plate with fiber laser have been processed. The influence of welding parameters on welding quality has been investigated. As well as microstructure and mechanical character of welding seam has been analyzed. It is showed that the joint appearance of DP980...

Intelligence activities are the basic activities of operational command, which have features of asynchronous and concurrent, that is difficult to use traditional mathematical tools to analyze. On the basis of analysis of digital division intelligence information process of activities, combined with the...

In recent years, with the development of economy and the deterioration of the environment, the protection of the ecological environment and the conservation of resources have become the focus of attention of the state and the world. The development of Forest Park has become a task in the new era. The...

An increasing number of air pollutants, like haze, arouse people’s great concern about indoor air quality. Ozone is one of key factors influencing indoor air quality. In this paper, combined recent research on indoor ozone pollution at home and abroad, the sources of indoor ozone and indoor pollution...

On the basis of the analysis about the Chinese-English engine of Microsoft Speech SDK, the paper achieves the development of speech commentary software about inquiry of ship engine damage cases with Visual Basic. And it also introduces carefully the development thoughts, programming ways and application...

In this paper, the research status of the tandem warhead at home and abroad is reviewed.The arming types and the corresponding principles for the fuse are introduced.The present situation and the research emphasis of the research on the influence of the front detonation field on the rear - level are...

A theory model of Kit-Manufacturing is established to improve the efficiency of aerospace product manufacturing. The definition and algorithmic method of Key Routing and Standard Production Batch is provided. The Kit-Manufacturing coefficient for monitoring product manufacturing process is defined and...

3D geological modeling is an important means to visualize and express geological information, analyze and study geological distribution intuitively. Borehole data is the main data carrier in geological research. This paper presents a method to create 3D geological model with the help of ArcGIS software....

This article presents the results of the research of spreading Psoroptes cuniculi on rabbits and Otodectes cynotis on domestic carnivores during 2014 - 2017 in the territory of the Tyumen region. The studies were conducted by the standard methods: clinical, acarologic, haematologic. The epizootological...

The paper presents a mathematical model describing formation of the spectra of particles in a convective cloud. A method for calculating absorption and scattering of monochrome microwave radiation in the cloud environment is described. The cloud model describes drop coagulation, accretion, drop freezing,...

The enrichment of environmental elements by Saccharomyces cerevisiae was used to obtain Fe-Zn-rich yeast, and the effects of pH, inoculation amount and culture time on Fe-Zn-Zn yeast were studied. The results showed that the influence of different factors on iron - zinc yeast culture was: culture time>...

In this paper, a method for automatic segmentation of plant point cloud is proposed. We get the quasi-dense point cloud of plant from Multi-view stereo reconstruction based on surface expansion. The Adaptive Normalized Cross-Correlation algorithm is used as matching cost to match points of interest in...