Advances in Engineering Research

According to a report about Shanghai Metro, Metro Line 2 traffic are increasing month by month trend, but capacity has become saturated. Subway passenger flow is a comprehensive passenger and passenger transfer station. In addition to increasing capacity, by ground transportation shunting the transfer...

In recent years, the increase in mental disorders among university students has raised concerns about the effects that these disorders have on an individual’s life and the community as a whole. Depression, being the most prevalent mental illness, is being tackled via various methodologies. However, in...

Precast retaining wall post-grouting manual excavation pile is a new type of pile foundation. It adopts the method of manual segmented excavation, installation of precast retaining wall to form holes and then pouring concrete and combined with the method of pressure grouting at the bottom of the pile,...

This paper mainly introduces the two cross-linking polyethylene insulation breakdown failure factors: space charge and water tree. And it further analyzes their mechanisms of initiation and growth. Cross-linking byproducts and current type are the major influence factors of space charge which will result...

In view of the problems of the current packing methods, the development framework of the packing and cutting optimization system of two-dimensional irregular parts oriented to excess material was proposed. Two models of the hybrid architecture of C/S and B/S were analysed. The architecture of the packing...

with the social progress and economic development, the construction industry in China has also yielded rapid development in recent years, and gradually become an important pillar of Chinese national economy. However, with the continuous expansion of the construction industry in scale, the questions existing...

Background: Current methods for diagnosing cerebral vasospasm (CVS) include transcranial Doppler (TCD) ultrasonography and the current gold standard of digital subtraction angiography (DSA). The diagnosis of CVS is straightforward, but DSA is limited in its ability to quantify cerebral blood flow or...

The high ground temperature is a prominent problem in the construction of deep buried long tunnels. Based on the analysis of high ground temperature in existing tunnels, the influence of high ground temperature on tunnel construction was divided into three situations, namely the harm to human body, effects...

The article study the effect and different conditions of degradation phenol in waster water samples via Ultrasound (US), H2O2, fenton reagents oxidation technology. Experiments show that the degradation of phenol only use of single US or H2O2 treatment is not ideal while US used in conjunction with Fenton...

Enzyme hydrolysis kinetic model of inulin by inulinase from Kluyveromyces lactis was established. The corresponding Michaelis-Menten equation model constants were found to be related to temperature through the Arrhenius model. The kinetic model was validated by experimental data and also be utilized...

The harmonious development between urbanization and ecological environment is important part of new urbanization. Urbanization is a major symbol of human civilization progress and economic and social development. It is the only way of backward agricultural country changing to a modern industrial nation,...

The article aiming at the problems of current domestic quality of farmland, expounded the status of China's farmland resources, the necessity and feasibility to delineate high quality farmland, put forward the concept and characteristics, determine links and protection measures of high quality farmland,...

On the basis of the ship engine room noise analysis, the paper discusses the application of the noise power generation technology in ship engine rooms. According to the available research results about acoustoelectric conversion, it puts forward that the reasonable distribution and installation of noise...

From point view of operation and management, a time-space network optimization model of inter-city train operation for energy saving on a high speed rail line is proposed on the basis of train time table predetermined using rail stock circulation mileages. The model’s objectives are to minimize circulation...

A wheelchair with a gear system was designed and analysed in order to find a good solution for people with wheelchair to move into the car. This gear system has been designed to be installed in the car and the whole wheelchair can be moved into the car automatically even with the people on it. The three...

The paper presents a design of Electric Power Communication Patrol System based on Dispatching Intensification. The system overall architecture, system security architecture, and system function architecture are elaborated in detail. The system overall architecture mainly explains the perception layer,...

Three-section flapping wing is a new kind of bionic wing, which had better bionic performance compared to existing single-section and two-section wings. In order to realize it, on the basis of single drive mode, a novel mechanism was designed that can realize both flapping and double folding motions....

The paper investigated the effect of exogenous caffeic acid (0.1 mM) on antioxidant enzyme activity, LPO reactions, the permeability of membranes for electrolytes, the photosynthetic activity and productivity of potato plants (Solanum tuberosum L.) under optimal conditions, as well as under the action...

The results of the theoretical investigations and simultaneous strain gauge measurements of axial forces in the flexspline and wave generator of heavy-duty harmonic gear drives, mobile hot-metal mixer and ore-pulverizing mill drives are presented. Comparative analysis of measurements and the theoretically...

To solve the problem of utilization of typical waste resources in Daqing, the rich corn stalk in Daqing and the Daqing oilfield waste sludge were respectively selected as major and auxiliary raw. The influence of sludge proportion, moisture content of mixed materials and molding pressure on quality characteristics...

Online social networks (OSNs) have become the most important platform for people to make friends and show themselves in nowadays, and unauthorized access and usage on people's privacy gains great social attention at the same time. Access control is a general and important way to protect user data from...

With the mobile communication technology developing rapidly, wireless bandwidth can be used more and more, which will make high-speed video services occupy most of the wireless communication traffic. This paper presents a QoE evaluation model based on video content, combined with video jitters and packet...

This qualitative paper applies Critical Discourse Analysis (CDA) as a tool to analyze a transcript of a socio-scientific debate in a senior high school science class in the Philippines. Drawing from insights and implications generated from the analysis, this paper also endorses this framework and tool...

Municipal solid waste management (MSWM) is a pertinent sustainability issue in African cities, including Accra, Ghana, where disposal is often informal, due to the high rate of urbanisation. The research analyses home-based waste management patterns and attitudes towards conceptualising sustainable home-based...

To clarify the overall vein, governance intention and focus point of the assembly building promotion policies, this paper adopts the content analysis method to conduct an in-depth study of the assembly building promotion policies in 32 regions of China from the dimensions of policy external structure,...

Design and build contracts are contracts that are currently being widely used in government projects. Stadium project work is one type of project that uses design and build. However, in the implementation of design and build projects, many disputes often occur. This dispute occurs because there are many...

With the rapid development of science and technology, we can no longer see the bustling streets and high-rise buildings everywhere. It makes termite and rot appear on the surface of the structure. This paper combines 3D scanning modeling technology Bim digital modeling technology aims at repairing the...

In pharmaceutical industries, the classification of plasmonic, dielectric, and chiral nanorods is traditionally achieved through sophisticated laboratory setups, chemical treatments, and multi-step processes. This study introduces an innovative and unique optical sorting technique for nanorods with significant...

This paper is mainly to develop a measurement standard for insulation parameters on-line monitoring device. The paper achieves measurement standards for the Voltage, current, capacitance and dielectric loss data of in-sulation parameter monitoring device by voltage, current sync source generated by DDS...

In this paper, we proposed a method to detect splicing forgery by using wavelet transform and background noise estimation in digital image. To achieve this target, we divide image into some sub-blocks and use wavelet transform to extract the low-frequency sub-band coefficients of each ones. Then, the...

The hot-side radiation intensity is an important factor of the semiconductor refrigeration performance. This article first selected three radiation ways: the air cooling radiation, the heat pipe radiation as well as the water cooling radiation, and then conducted the experimental study to the three radiation...

In this paper, we do the best to extend the time of bathing without wasting too much water. In the Lumped Parameter model[1], we predict the change of temperature by the use of Runge-Kutta method. We also consider the heat dissipation between the water and the bathtub wall as well as the air. And we...

The paper describes a complex method for forming aircraft panels as well as automated plants for bending, peen forming, sanding, and shot peening. It also describes calculation methods for technological conditions which compensate for the effect of the residual stress on the shape of parts

In recent years, the development of real estate projects gets into the new stage of integration. The joint of the related industries and real estate is showing from different angles. This paper describes the conception of hotel real estate. As non- professionals, there are many problems in the process...

Aiming at the stability problem of crane lattice boom with large slenderness ratio, the applicability and practicability of four kinds of design theories and methods (the allowable stress method based on linear theory, the allowable stress method based on nonlinear theory, the limit state method based...

In crop modelling, factor analysis and regression type have direct influence on the accuracy of model, but the application of these methods usually depends on the experience. In this paper, the performance of some common methods of statistical analysis and regression model was compared and verified,...

This paper presents an fine approach to improve the process planning of Rapid Prototyping/Manufacturing (RP/M) .Corrected curves were introduced to maintain the accuracy of slicing layers. A mixed algorithm combined by tangent line and ellipse fitting method was developed to balance accuracy and build...

Novel D-A type conjugated organic molecules composed of central fluorene units and cyanoacetic acid terminal groups have been designed and constructed. The article was aimed at improving the solubility of small molecules by introducing aliphatic chains, and improving the optical and electrical properties...

Building fire is dangerous to structures. It is important to accurately compute the equivalent fire load. First, temperature fields of a reinforced concrete column with four face exposed to fire were simulated using finite element method. Then, two step simplified model was applied to compute the transformed...

La-doped MnO2 nanoparticles were synthesized by a facile sol-gel method. Using XRD and SEM to analyze the structure and morphology of the obtained nano-MnO2, the results show that it exhibit -MnO2 crystal form with some amorphous structure and irregular granular morphology with size of 150-300 nm. Through...

A master-slave system consisting of a hydraulic Stewart mechanism is developed. This system can be used for grinding complex curved surfaces while keeping the operator away from the harmful dust produced. to prevent the upper platform from moving in the wrong direction because of the limitations of the...

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...