Advances in Engineering Research

In 2009, the Chinese government released the policy about the Golden-Sun Program, deciding to provide investors with upfront subsidies prior to project construction with the special funds for renewable energy, with the aim to accelerate large-scale industrialization of PV power generation in China. This...

This paper contains a detailed description of Agentic (artificial intelligence) AI) and its possible implementation in the personal career guidance system. The changes occurring in the labor markets along the digital spectrum necessitate the new, adaptive, context-sensitive development models that go...

In order to realize sharing the spatial information, it's very important to manage, store and share remotely sensed data which is considered as an important spatial information resource. At present, there are few researches on how to manage the remotely sensed data stored in Oracle efficiently in Matlab...

Fluoroalkyl-containing silica nanoparticles were prepared and characterized by a combination of IR and TEM analysis. The obtained silica nanoparticles with an average diameter 40 nm were coated onto concrete. Surface properties of the coated concrete were characterized by water contact angle (WCA) and...

The finite element model of a prestressed concrete box-girder bridge was established,then the numerical simulation were carried out under the conditions of vertical temperature gradient. The effect of vertical temperature gradient is the important reason for the concrete cracks of box girder, and the...

The multilayer U-shaped bellows' strenth and axial stiffness are studied by ANSYS finite element analysis. The plane axisymmetric model of multilayer bellows is established, and the material nonlinear, geometric nonlinearity and contact between the layers of multilayer bellows is considered, obtained...

We put forward the compact convex hull plus rubber band layout model based on the engineering practical problems. Under the assembly constraints the assembly constraints layout model is set up. We can get the exterior outline feature of the layout objects through Graph Outline Recognition Technology....

This paper provides preliminary analysis on both the morphological characteristics of being wide, curved and branched for braided reach and the influential factors on the channel of the bending braided part. Based on the analysis of a typical river reach as an example, this paper puts forward the channel...

Rock mechanics is an engineering discipline which is as old as 1770s. Coulomb of Mohr-Coulomb failure criteria fame carried out tests on rocks and presented the results in a paper to the French Academy. After about 150 years, Griffith proposed his theory of brittle material failure in 1921. At about...

The study evaluates the thermal performance of a packed bed TES system that integrates both sensible and latent heat storage using solar energy as the heat source. A cylindrical, insulated storage tank containing spherical capsules containing phase change materials (PCMs), particularly stearic acid and...

Currently, many local micro-industries have begun to process mango fruit into various kinds of food and drinks. Such as being processed into dodol, syrup, jelly, and even coffee from mango seeds. Before being processed into products as above, mangoes are first made in puree form, where puree is fruit...

Fly ash and bottom ash waste from coal combustion in steam power plants has the potential to be utilized as an alternative raw material in the production of environmentally friendly paving blocks. This study aims to evaluate the effect of fly ash variation on the physical and mechanical properties of...

Computer security has been attracting more and more attention ,since intrusion detection have become a significant threat in recent years. The techniques for intrusion detection are generally classified into two categories, which are anomaly detection and misuse detection respectively. In this paper,...

Describes the origin and development of the vehicle parking assist system, summarizes the current parking assist system application and research status, and technical parameters and characteristics, analyses the advantages and deficiencies of the existing parking assist system, and its development prospect.

The formal verification of properties of Hidden Markov Models (HMMs) is highly desirable for gaining confidence in the correctness of the model and the corresponding system. A significant step towards HMM verification was the development by Zhang et al. of a family of logics for verifying HMMs, called...

This paper takes the high dimensional data for large data mining technology as the research object, using the adjacency matrix and directed hypergraph detection relationship between association rule items, explores the method, classification based on spanning tree removal algorithm for detection of large...

3D porous graphene was fabricated by hydrothermal cross-linking method and template method, respectively. X-ray diffraction, scanning electron microscopy, fourier transform infrared spectrometry, BET, cyclic voltammetry and electrochemical impedance spectroscopy are used to characterize the microstructure...

In this paper, we present a hybrid bacterial foraging optimization (HBFO) by combining the time-varying chemotaxis step strategies with dynamic topology structure. Specifically, we adopt four kinds of time-varying chemotaxis step methods which use the dynamic topology structure to improve convergence...

The electrical properties of Hf-Ti-O higher-k thin film and ETSOI MOSFET with Hf-Ti-O gate dielectric were studied in this work. To accurately extract the permittivity of the Hf-Ti-O thin film, the different physical thicknesses Hf-Ti-O thin films were fabricated by radio frequency magnetron co-sputtering...

Development and utilization of new energy is to optimize the energy structure, an important measure to improve the quality of the environment. Universal application of new energy technologies in rural was targeted in Qinhuangdao City of Hebei Province. The promotion of rural biogas digesters, solar and...

Soil erosion is a serious problem of worldwide concern. Rainfall intensity is an important factor affecting soil erosion and the resulting nutrients loss. Field experiments were conducted to investigate the effect of rainfall intensity (60, 100 and 140 mm/h) on runoff nutrients loss and sediment particles...

A new kind of experimental equipment has been established to prepare for making a study on the heat transfer of jet impingement when quaternary mixed nitrate will be regarded as working fluid. In order to verify the validation of experimental equipment and method, a experimental study on the heat transfer...

Typical teaching spaces of the colleges in Chengdu are selected as the object of the research for its typical severe weather, which is hot in summer and cold in winter area climate. Several instruments have been utilized to test the index of thermal comfort, indoor temperature, wall temperature and air...

Based on extensive investigation, aiming the randomness and fuzziness characteristics existing in the evaluation, considering comprehensively index 5 aspects including the construction technology management, the environmental load of construction process, energy consumption, resource utilization and...

The purpose of this study is to analyze the shear capacity of a steel slab shaped steel concrete column joint (SRC node for short).Compared with real abdominal SRC the advantage of the SRC is convenient for construction. It does not need to perforate the beam on the type steel and speed up the construction...

Organic pollutants have posed threat to human health and other creature. Photocatalytic technology arises, because it can use solar energy to degrade pollutants. Hence, graphitic carbon nitride (g-C3N4) with excellent photocatalytic performance has attracted global attention. This paper presents the...

In order to solve the problem that a large number tags motion direction judgement in campus long distance attendance system based on 2.45GHz active RFID technology, a technical test system was designed and constructed in this paper, the RSSI of the student tags through the technical test system obtained...

Inoxidizability of proteins is one of the most basic function attribute, and shares a sustainable effect for biological process in protein repair and regulate redox-sensitive signaling pathways. In the genome era, however, it is urgent to design an effective computation method to rapidly detect the antioxidant...

Image retrieval is based on the description of image content. The content of the image can be divided into two categories: visual content and information content. The visual content corresponds to the physical representation of the image, such as color, shape, texture. The information content corresponds...

In order to improve the control system's accuracy and adaptability of the intelligent vehicle, this paper designs the control system of the smart intelligent car. In this paper, a control system of the smart intelligent car is designed, the control system including hardware system and software system....

In other to enhance the assessment ability to modernized weapons, an adaptive weight adjustment algorithm based optimization of weighted-distance similarity is proposed. Adopting Analytic Hierarchy Process and entropy weight method to evaluate the subjective and objective weights of indices, building...

A healthy lifestyle has significantly increased the awareness of consuming organic food. In the midst of many unhealthy fast food choices, Generation Z (Gen Z) is expected to have favorable intention behavior toward organic food consumption. Past studies have not yet voiced this appropriately. Using...

The importance of sustainable solutions in public transportation systems have increased due to increasing environmental problems, and energy costs. In this context, transforming bus fleets that run with internal combustion engines (ICE) to electric buses (EBs) offers significant advantages, both environmentally...

Seasonal energy efficiency of latest split type AC systems which commonly use R-410A, R-32 or R-290 refrigerants has been investigated in this paper. A numerical approach was applied on split AC system which operated at diverse environmental conditions of different regions across Indonesia archipelago....

Concrete is the largest material used by human beings, and it is often easy to cause segregation of concrete in the process of application due to the deterioration of raw materials and human errors, resulting in accidents such as plugging of pumps, exposure of reinforcing bars, and substantial reduction...

We determined the seismic fortification level of electrical equipment in this paper according to the features of seismic failures in substation, provisions about seismic fortification level standard, and decision about optimum seismic fortification for electrical equipment, we also classified the seismic...

Non-toxic, pollution-free loading system of lox is used in new launch vehicles. In the progress of loading or venting lox, the accident detachment of fuel connector will lead to leakage and diffusion of lox. Low temperature and oxygen enrichment caused by lox leakage will bring great damage to workers...

The paper is intended to create a relatively simple and clear post-evaluation system for green campus. From the aspects of planning and ecology, energy and resources, environment and health, operation and management, education and promotion, by use of the analytic hierarchy process, the paper aims to...

The pre settlement audit work of the construction project cost is a key job in the construction engineering, and is also the most basic work in building engineering. The pre settlement audit work of the construction project cost is the key to the cost control of construction engineering. Economic globalization...

Monitoring is an important work to measure the rationality of tunnel design and construction, especially for highway tunnel with small spacing. The design of construction monitoring scheme was analyzed based on a practice of small spacing tunnel engineering. The method to determine the monitoring items,...

Impulse interference is one of the major interferences in power system, and the existed algorithms mainly focus on narrow-band interference when using wireless communication, which have little effect on impulse interference. Aiming at this problem, this paper proposes an impulse interference suppression...

The aluminum silicon alloy production enterprises has a 25000KVA of high purity silicon metal furnace in China, 350-550 process exhaust produced by reaction furnace is directly discharged into the atmosphere now. According to the characteristics of low temperature flue gas, such as flow rate and temperature...

Solar energy holds great significance in the research programs on renewable energy. Recent studies show that with the use of solar energy, we can create a movement of air in the form of artificial wind. This air flow is used to drive one or more wind turbines and produce electrical energy. At this conversion...

Coordinate in undergraduate teaching and the scientific research in our country gained fruitful results, but the quality of higher education still exist many problems, including heavy research light teaching phenomenon is one of the most important problem. The organic integration of teaching and research...

Electromagnetic ultrasonic Lamb wave, with the advantage of quickly detecting the defect, is widely used in nondestructive testing of thin plate. However, it is related to the characteristics of Lamb waves that selecting mode of guided waves and estimating the detecting range. Therefore, this paper studies...

This study was undertaken to determine whether 2-(3,4-dichlorophenoxy)-triethylamine (DCPTA) improve plant growth of Cd-exposed hemp (Cannabis sativa L.) plants. The results showed that exposure of plants to 50 mg Cd kg 1 soil resulted in an increase in the shoot and root biomass, as well as the root/shoot...

In this paper, a study is done on the rubber-tired container gantry hybrid power crane in order to save energy. Because of the series structure is used in crane hybrid system and working statues of the crane change frequently, a “thermostat + power following “control strategy is used in the hybrid power...

In the key areas of safety, the safety requirements of the software are becoming higher and higher. However, there are all kinds of safety testing methods, or the presence of state space explosion, or the test case is huge, and the safety testing efficiency is low. In order to solve this problem, this...

The object of this study was to investigate the chemical compositions of PM2.5 and its correlations with the concentration of volatile organic compounds(VOCs) and meteorological parameters during severe air pollution period in Shijiazhuang, a northern city, China in winter. PM2.5 samples were collected...

A three-dimensional reinforced concrete frame structure under diluted debris flow impact was established using explicit dynamic analysis finite element software LS-DYNA. The dynamic damage distribution and stress redistribution process of the structure under the impact were calculated and analyzed. The...

The large number and scales of earthquake disasters have occurred around the world in the past decade. In order to mitigate damages from earthquake disasters, the intelligent rescue systems with high information technology and robot technology have been expected. With the rapid development of rescue...

DC motors are widely used in various industrial control applications due to their efficiency, long life, and flexible speed regulation. However, their speed control systems often face issues like response delay, instability, and overshoot. Improving the precision, stability, and robustness of these systems...

As an important tool for ocean exploration and development, underwater robotics is more efficient, safer, and more reliable than human labor. In recent years, the development of marine resources has played an important role in various fields. However, the development of underwater robots is limited by...

On the basis of discussing cold junction compensation of thermocouple measurement, an improving solution was provided which was based on the stm32 with the programmable thermocouple transmitter with compensation function. Thermo emf is sent to the MCU of the host computer after A/D conversion, and then...

For achieving the standardized management of safety protective fence of mechanical equipment, regulating the arrangement of fence sizes, and solving the problems of waste materials of site fences and difficulties in trepanning fences, an optimized designing new program for the arrangement and trepanning...

Microwave pyrolysis is a new research method for deeply processing of low-rank coal. On basis of experiments, this paper conducted comparative study on microwave co-pyrolysis products of low-rank coal under circulating gas (CG) and N2 atmosphere, respectively. The composition and content of tar and bluecoke...

The present study evaluated the kinetics and thermodynamic parameters for the thermal inactivation of inulinase. The thermoinactivation behaviours of inulinase under 40, 50, 60 and 70 were observed. Residue activity of inulinase after incubated for a certain time under the tested temperatures, respectively....

We study the thermal transmission of the fluent water whit steady velocity. First we divide the water into lots of little grids in two-dimensional space and study the temperature distribution of the fluent water. To make accurate numerical calculation, we then regard the grid in fluent water as an open...

Based on the structural feature of high speed railway bridge , one space finite element model is established for the construction of the influence factors of the bridge deformation sensitivity analysis . Using adaptive genetic algorithm and neural network technology , taking the deformation of the bridge...

According to proposed research methods of national coordinated development of regional economy, we calculated national coordinated development degree of regional economy in recent year and analyzed the trend and characteristics. The result shows that: the overall level of national coordination development...

In the present work ,according to the present situation that casing pipe are frequently applied in the high temperature environment containing hydrogen sulfide and carbon dioxide, degradation of mechanical properties of casing pipe in the environment with hydrogen sulfide and carbon dioxide is also investigated...

A novel electron donor unit based on phenothiazinehas been designed and constructed. The target compound (2E,2'E)-3,3'-(5,5'-(10-octyl-10H-phenothiazine-3,7-diyl)bis(thiophene-5,2- diyl))bis(2- cyanoacrylic acid) was easily synthesized in high yields with a milder and efficient route via the Knevenagel...

The article presents the results of a 3-year study of the varieties from the world collection of the Federal Research Centre of the All-Russian Institute of Plant Genetic Resources named after N.I. Vavilov (VIR) in order to identify sources of economically valuable traits when using them in breeding...

Discussions on community & multi-function-based aged care in China are mostly converged on and manifested as follows, (1) The "software" level as in policies, models, industry and even management instead of the "hardware" studies as in the living space of the elders where a hierarchy system and well-thought-out...

Quantizaion is the first step in converting the analog signal into digital signal. In the distributed video coding, a 4x4 quantization matrix is used to quantize each coefficient. However, such a scheme is a fixed quantization matrix and can not be adaptively adjusted according to the characteristics...

In this paper, we proposed an effective vulnerability mining system for IEC61850 protocol in the Smart Grid. First of all, we introduce the basic structures and features of IEC61850 protocol. Next, we summarize the possible vulnerabilities of it. Finally a fuzzing tester named IECFuzzer is designed and...

The A1 critical transition temperatures (Hereinafter referred to as A1) of P91 heat resistant steels (Hereinafter referred to as P91) with different alloy elements were simulated by the continuous cooling simulation method of JMat Pro (JMP) software, and the statistical analysis tool of the JMP was used...

In order to analyze the differences between HVDC system and DC system, this paper states the mechanism and function of the main controller in HVDC. Also the impact of each controller and regulator on the system is analyzed. The result shows that there are some key parameters in each controller, which...

The pristine LiNi0.5Co0.2Mn0.3O2 microspheres (P-NCM523) have been synthesized by a solid state method. To improve the lithium storage performances, Li2MoO4 layer has been coated on the surface of P-NCM523 by the facile reaction between lithium residue and H3PO4.12MoO3.24H2O. The Li2MoO4 coating can...

Family summer travel packages designing should consider the demands of different families, such as the number of people, the cost, the time and the other factors. It is important to decide how to choose the scenic spot in order to make the trip to scenic spots as much as possible, as far as possible....

.The electric power transmission network management is changing from decentralized to province-centralized mode to adapt to the development trend of power grid. For the current hierarchical management situation of transmission system, the paper mainly studies the centralized mode. Considering the difficulty...

This paper shows the results of the current distribution analysis in the DC traction network with multi power supply from different sources, the methods of the current distribution determination at the substation spacing for two-way power circuits of the contact network sections are presented

The energy saving and emission reduction of public transportation enterprises is very important. What factors affect these jobs? Through investigating 7 cities of different scale and different places, we can know actual data. By comparing the data of different cities, we can analyze the influence of...

Self and mobile check-in are widely known and implemented in air transportation all over the world. If self and mobile check-in were implemented well, it will give impact on short waiting time and easiness for passengers. This paper analyze how important self and mobile check-in for improving customer...

Under-recognized artisans are continually confronted with the problem of certifying hand-made products and the shady aspect of their carbon footprint in both online and real-world markets. The following paper suggests a combined Web3 and AI-based ecosystem, which will empower the artisans by providing...

The building and construction sector is a significant contributor to global energy demand and greenhouse gas emissions, with carbon dioxide emissions accounting for 36% of global total emissions, making it a crucial component of the voluntary carbon reduction market. However, the existing methodologies...

With the development of artificial intelligence technology, facial emotion recognition is being used in more fields. Nowadays, mental health issues of people of all ages have already become hot issues. Researchers have found that intelligent psychological analysis has a significant impact on improving...

Traditional Balinese architectural ornaments have symbolic, historical, aesthetic, and allegorical meanings that characterize traditional Balinese buildings. Padas stone, a local material from the Petanu River and Wos River in Gianyar Regency, is often used for these ornaments. The development of tourism...

Statistics can be encountered in the life and work of all kinds of digital integration and to analyze its characteristics by certain rules. Such as the business planning, asset evaluation, fixed assets, personnel statistics are using statistics form statistical investigation method achieve the purpose...

Through the deep research on the mathematical model of high efficiency machining movement, the method of developing the simulation system of high efficiency machining machine tools in general software environment is discussed. According to the characteristics of high efficiency machining machine tool,...

Alpha-fetoprotein (AFP) is an oncofetal protein during hepatocellular carcinoma (HCC) development which could promote tumor growth and inhibit active immunity, and it may serve as a target for immunotherapy. To further confirm the immunogenicity of AFP, we constructed a AFP eitope peptide vaccine which...

We have shown that insulin-loaded Poly(lactic acid)-b-Pluronic-b-poly(lactic acid) nanoparticles (PLA-P85-PLA-NPs) had the hypoglycemic effect after oral administration on diabetic mice. In the present work, free insulin (INS) as controls, the influence of some factors such as time, temperature, pH level,...

In order to study the influence of bridge deck pavement and hinge joints on transverse load distribution of void slab bridge, this thesis took actual engineering as background and applied the finite element software ANSYS to establish a finite element analysis model of simply-supported void slab bridge....

Cavitation effect is one of the main mechanisms of ultrasonic descaling. Through the mixture model and the cavitation model in Fluent, the ultrasonic cavitation field in the pipe is simulated. The simulated distributions of pressure field and variation of vapor are analyzed and discussed. This study...

In nature, many organisms produce colorful color. From the colored principle, its color may divide into chemistry color and the physical color generally. Many plants and animals color in nature is not derived from the pigment, but from the interaction of light and surface. To further understand the rules...

The article aims to discuss the quality control methods for the surface hourly temperature observations. A new quality control method (RH-SRT) based on the spatial regression test (SRT) was adopted to identify potential outliers in the surface hourly temperature observations. The proposed method is an...

Rock burst in metal mine has been the main problem which interferes with mining working at depth. And its corresponding formation mechanism is so complicated that the rock burst theory cannot come up with the practical engineering research. So it is necessary to establish the corresponding geological...

Ring radial-axial rolling technology is the best method to produce high quality large seamless ring. The reliable finite element model of large ring radial-axial rolling process is established. Based on the computing result of the FE model, the deformation of large ring radial-axial rolling process is...

Based on multi-database management systems application, we use multi-level data warehouses. This paper proposes an incremental method to update the data set of result and summarizes the two transmission strategies. Verify that the data-driven policy through experimental simulation platform environment...

This paper gives a mathematical model to evaluate a college coach by use of a fuzzy hierarchical evaluation approach. In this approach, an analytic hierarchy process (AHP) is first used to give a proper weight for each influential factor. Then these weights are applied in computing the grade of a coach...

A hardware in loop (HIL) simulation platform for a hydraulic Stewart master-slave system used for curved surface grinding work is developed. The communication between hydraulic Stewart force feedback joystick and the computer is realized by AD/DA card, which was used to improve and evaluate the performance...

Recent developments in the competitive banking industry show that having loyal customers is an important strategy for bank sustainability because it can give a favorable influence on the performance of banks in the long term. Although past studies have indicated the significance of having loyal customers...

Errors in component placement on Printed Circuit Boards (PCBs) can lead to functional failures and increased production costs. Manual inspection for identifying and classifying such errors remains a significant challenge in the electronic manufacturing industry. Therefore, there is a need for an accurate...

Flexible sensors are an emerging technology in the field of sensors, which are widely used because of their softness and plasticity, and enable people to apply sensing technology more effectively in wearable devices, and medical field. In recent studies, researchers have done excellent work. This paper...

This article proposes a dissolved oxygen prediction model for water quality about aquaculture to solve the problems like low accuracy and poor robustness of traditional prediction methods about water quality based on principal component analysis (PCA), fuzzy neural network(FNN), and differential evolution...

CPADM is a new cross platform application development model proposed by the author, It is based on QT Quick technology and be used in the development of all applications. In this paper, the shortcomings of the traditional development model is analyzed to explain the significance of proposing CPADM model...

Stress IntensIty factor can reflects the stabIlIty of cracks. It Is Important to study accurate calculatIon method of stress IntensIty factor. In thIs study, the fInIte element method wIth modelIng usIng ordInary element and sIngular element Is applIed to calculate stress IntensIty factor. It Is shown...

To deal with soldiers who are wearing the bulletproof helmet and bulletproof clothe on the modern battlefield, the design idea of the individual small caliber projectile using arrow shaft warhead damage element is put forward, and three different structures of arrow shaft type damage element are designed....

The propagation of TNT blast wave in the air is simulated by using the LS-DYNA finite element analysis software, to study the influence of boundary condition on the overpressure of blast shock wave. In the simulation, three kinds of blast equivalent are selected, which are 5.12 kg, 51.2 kg and 512kg....

In recent years, with the rapid development of the urban construction and the sharpening of the conflicts on urban land use,it has become the main topic that cities have potentials for sustainable development. People are getting more and more focused on environmental construction,and roof greening is...