Advances in Engineering Research

Phloroglucinol–resorcinol–formaldehyde (PRF) carbon aerogels were synthesized using Na2CO3 as the catalyst. Acidizing process was introduced to the sol–gel reactions system. The results show that the acidizing process of trifluoroacetic acid acetone solution can decrease the shrinkage factor of carbon...

the cross wedge rolling technology, as an effective method of shaft forming, has been paid more and more attention. With the development of the car's lightweight, aluminum alloy with its high quality performance, as a substitute for the best choice of structural steel. Steel of shaft parts by cross wedge...

Urban river systems have increasingly become polluted in China due to rapid industrialization and urbanization. Although there are standards for classification of surface water in terms of water quality, no classification exists for malodorous rivers. In this study we used a combined approach of quantitative...

Brake temperature rise has a significant impact on the braking performance of the vehicle, especially when the vehicle in the long downhill road, and the driver of the vehicle brake operating temperature is particularly necessary to master. Inverse heat conduction problem solving was based on the thermal...

At present, the crystallization method has become a hotspot in the field of wastewater treatment. The crystallization method not only remove phosphorus effectively in wastewater, but the phosphorus also can be recycled. The crystallization method includes ammonium magnesium phosphate crystallization...

It is known that vehicle structural thickness change will lead to vehicle modal characteristics change .In this paper, the thickness of floor, sidewalls and vehicle top are chosen as the variables so as to calculate the relationship amongst thickness change and frequencies (Vertical bending- f1, Torsion-...

Mold failure usually starts from the surface. The mold life expectancy can be effectively extended by improving the surface properties and performance of the mold. Laser cladding technology is a new type of materials processing and surface modification technology. Because the advantages of cladding surface...

During waterway dredging engineering due to the disturbance of construction operation on water, the original substrate will change and suspended solids will concentrate sharply in a short period of time resulting in the change of local ecosystem and river habitat landscape and bring adverse impacts on...

We analyzed the contents, horizontal distributions and pollution sources of Cu in Jiaozhou Bay, Shandong Province, China in 1984. Results showed that Cu contents in surface waters in July, August and October 1984 were 0.28-1.88 μg L-1, 1.60-4.00 μg L-1 and 0.11-2.00 μg L-1, respectively, and were...

An efficacy evaluation model of a certain missile technical support system is established by adopting ADC method. Both important influencing factors and evaluation index of system effectiveness are determined via analyzing the missile technical support process. Simulation results show that the proposed...

Fluorinated graphene/ultra high molecular weight polyethylene (FG/UHMWPE) composites were prepared by ultrasonic dispersion and hot pressing. The mechanical propertys and tribological property of pure UHMWPE and FG/UHMWPE composites were investigated by micro hardness tester and high-speed reciprocating...

TongGuan Section of Weihe River Watershed is a provincial section between Shaanxi Province and Henan Province, China. So it is taken as the research objective in this paper and NH3-N is chosen as the water quality parameter. According to the discharge characteristics of point source pollutions and non-point...

Experience in operation of trucks shows a significant increase in a failure number of their systems and parts in natural and climatic conditions of a permafrost zone compared with the conditions of a moderate climate. This article presents a study of operability of the forty MAN F2000 trucks used in...

In order to meet the development trend of smart environmental protection platforms and smart environmental monitoring systems, this paper proposes the recommendations of unmanned intelligent detection and processing technologies to improve the level of environmental monitoring. The article discusses...

With the rapid development of computer science and technology, it has a great impact on the traditional computer courses. To adapt to this trend, many colleges and universities have set up new curriculum systems around big data, artificial intelligence and blockchain technology and it brings new opportunities...

Acid dyes were more difficult to be removed by chemical coagulation method due to their solubility. The threshold of anaerobic of acid dyes as model dyes was investigated in this paper by the analysis of the degradation products were detected by GC-MS. High COD removal and low decolorization of the acid...

The operation of power system is transforming from traditional dispatching mode to market, and coupled with the uncertainty of intermittent energy, day-ahead electric power and energy balance will be a multi-objective coordination problem of new energy consumption, contract execution, grid security and...

Mel-filterbank energies is a key feature that is widely employed in automatic speech recognition(ASR) system. It arises from a sub-band spectrum typically. But when the noise exists in the background, Mel-filterbank energies can not be easy to estimated accurately. In this paper, the fact that the trajectories...

The study reveals the relationship between ecological civilization and land use and management. Ecological civilization requires the correct understanding and respect for the characteristics of land in land use and management. Ecological civilization has become an important measure of land resources...

We use the building energy simulation software named Ecotect to carry out the simulation analysis of the overall thermal environment of residential buildings, to find the main factors of high energy consumption, to improve architectural design by analyzing several pieces of case. Firstly, we build 3D...

Coal fly ash is one of the industrial by-products that is produced from coal combustion. A large amount of coal fly ash is currently dumped at a landfill, while the current utilization of coal fly ash has been limited to the raw material of soil amendment production and cement concrete. Coal fly ash...

The One of the critical advancements in railway technology is the incorporation of regenerative braking mechanisms, which harness kinetic energy and convert it into electrical energy, thus improving the energy efficiency of railway operations. This study delves into the energy balance and the potential...

This study involves the numerical simulation analysis of geotextile pullout tests, followed by a comparison with the pullout test results to establish the reliability of the numerical simulation calculation model. Subsequently, the study primarily investigates the impact of various parameters, including...

Buildings with a high risk of lightning strikes due to factors such as height, geographical location, and strategic function must be equipped with a lightning protection system. The primary purpose of installing a lightning rod is to protect the building structure, electronic equipment and ensure the...

Taking x County as the study object, doing experiment, calculation, comparison, this article analyzes the top-soil nutrients and PH value in field. The results showed that it has abundant organic content and teaches the standard of growing well for crops. The soil in X County has rich available content....

Modern aeroengine compressor and plate are made of titanium alloy, disc contacting exists between normal stress and the relative sliding value slightly. The combination of mechanical and chemical produced, including fretting fatigue and fretting wear of micro damage. Micro cracks of fretting fatigue...

With the rapid development of offshore wind power industry, it is significant to improve the accuracy of offshore wind energy assessment. Sea surface roughness and atmospheric thermal stability are main factors that influence the offshore wind energy. But at present, most researches on micro-scale aerodynamic...

To solve the lubricating problems of spherical plain bearings under high-low temperature, high vacuum, heavy loads and strong oxidation conditions, the PTFE and MoS2 based lubricating coatings were prepared on the inner rings of the spherical plain bearings by spraying technique. A self-made tribo-tester...

For solving the problem of daily water demand in G city, a method of particle swarm optimization algorithm combined support vector machine (PSO-SVM) is presented. The expansion constant and penalty factor firstly are selected by particle swarm optimization (PSO). Secondly, the historical water demands...

The article considers the problem of reducing the cost of heavy oil productions. A new approach, based on the intelligent analysis of successful events' historical data of qualitative EOR application, is proposed. Based on database info analysis, the synthesis of a model, targeted to automated search...

Social Networking Services (SNS) which are based on the theory of Six Degrees of Separation emerged in 2003. With the rapid growth, it came to be a popular social service network in 2009. SNS have features that conform to learning theory of constructivism, thus having more advantages than traditional...

The defect detection of plastic gear is difficult because of its small size, so a method based on machine vision is proposed to inspect plastic gear accurately and quickly. Digital image of plastic gear is collected by CCD camera, and then the image is preprocessed to generate single pixel edge of gear....

A platinum resistance bridge thermometer is introduced. It implements linear temperature measurement in -200~850 degrees with a bridge circuit. It consists of bridge circuit, multi-channel switches, amplifier, AD574, display, COM port, precision power supply, 89C51 etc. After the analysis of bridge circuit...

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

Polymer flooding has a large-scale promotion in Daqing oilfield, this paper prepared two-dimensional heterogeneous model according to the typical reservoir in Daqing oilfield and did the experiments of water flooding and polymer flooding with the method of three tubes parallel, monitored the oil saturation...

Finite element software ABAQUS was used to calculate the dynamic characteristics of Xi’an Xiao Yan pagoda by a three-dimensional entity model, and a variety of factors were simulated on its dynamic characteristics. Results show that it is feasible to calculate the structural dynamic characteristics by...

To verify whether insitu conditions have been realistically estimated during investigation and to furnish the permanent data set for the interpretation of geological conditions, foundation floor mapping of important structure like control building of nuclear power plant is essential. At Rawatbhata, adjacent...

In this work, a packaging laminate consisting of LDPE (Low Density Polyethylene), Al-foil (Aluminum foil) is focused, and failure due to necking in substrates and interfacial delamination under loading are considered. A coupled elasto-plasticity damage and fracture constitutive model is combined. The...

The forster resonance energy transfer (FRET) between different CdTe QDs and RhB were investigated by steady-state and femtosecond time-resolved photoluminescence spectra technique. Through the measurements on three different CdTe sample solutions, it was found that the FRET efficiency is proportional...

Domestic prefabricated construction has developed for a long period, and has attracted more and more attentions. This paper analyzes the progresses it has made in technical and material aspects through history and prospect. Furthermore, the features and advantages are summarized in order to promote the...

In this paper, an indoor positioning method is presented for self-localization of a mobile device by combining Wi-Fi wireless location, strap-down inertial navigation systems (SINS), augment reality and ultrasonic positioning. Over the last few years, inertial sensors with low cost and mobile devices...

Aim at the drought, one of the important stress factors, we chose the Prunus avium named ‘Hong Deng’ to experiment. Through artificial control field soil water content, to different drought stress treatment of sweet cherry, we collected the changes under different drought stress, including characteristics...

In order to find the best type-reduction algorithm of interval type-2 fuzzy sets with different characteristics, this paper makes a comparative analysis of KM, EKM, IASC and EIASC. Experiments are carried out on three type-2 fuzzy sets to compare the four algorithms.The results show that the four algorithms...

In this paper, the seventh-order Kaup-Kupershmidt (KK) equation arising in fluids and plasmas is considered. The pseudopotentials of the equation are derived, based on the pseudopotentials, the Lax pair of the equation is get, which shows that the equation has the Lax integrability. It is a very important...

This paper is based on the relevant data of Hainan entry tourism from 2006 to 2015, and analyses the development of Hainan inbound tourism and composition with the aid of Excel software as well as uses clustering analysis of SPSS23.0 software. The results show that Hainan entry tourism industry develops...

All kinds of Marine creatures of ship's ballast water with the migration of vessels, globalization, and with the discharge of ballast water, invaded the local ecosystem, breaking the original ecological balance. Ballast water caused by biological invasion on the global diversity of ecological system,...

The phenomenon of the development of the city of Ternate in recent years shows that there has been a crisis in the availability of public space. with the construction of malls and offices, has the opportunity to create a distance between the layers of society and the beach as the identity of the city...

The Lubuk Larangan Tradition is one way for most of the indigenous people in Jambi Province who live in the watershed to protect the water and fish that are almost extinct. This tradition is carried out with certain skills and knowledge that are based on local wisdom and are based on the values contained...

Centrifugal pumps In this company serve to distribute plant waste to wastewater treatment installations in order to reduce waste levels. One component of centrifugal pump on wastewater treatment plant to be aware of is bearing. The treatment has been used corrective maintenance which is when the machine...

Now a days, Image compression schemes and water marking is widely performed in signal processing with the help of wavelet transform. In comparison with approaches based on DCT and wavelet-based watermarking in some cases wavelet based Watermarking schemes are used better. In the literatures hardware...

With the accelerating process of urbanization in China, the industrial safety risks faced by the urban public are increasing. A series of dangerous chemical explosion accidents not only caused casualties, economic losses and environmental damage to the production personnel and the surrounding people,...

With the digital transformation of construction engineering, traditional construction management is unable to meet the needs of large-scale projects due to outdated information and inefficient decision-making. This article adopts the technical details of AI algorithms (such as YOLOv5 object detection)...

Substation noise disturbs residents despite satisfying emission standards because the impact of its low-frequency components is underestimated by the commonly used A-weighted equivalent continuous sound pressure level (LAeq). To optimize the control indicators and emission limits of substation noise,...

In order to improve the seismic performance of variable section columns, nine finite element models of variable section columns reinforced by increasing section method were established by using finite element software ABAQUS to study the influence of different reinforcement grades and section areas on...

The concept of mobile library has broken into our modern daily life, the service items of mobile library naturally become a research hotspot. This paper describes from the current situation development of mobile library to the challenges it faced, by the new requirements of mobile library services in...

Virtual network request resources are dynamically changing, and there are fewer studies in this area.In view of this situation, in this paper the virtual network mapping model is improved, the model of minimizing the cost of resource request change and improving the access rate of virtual network is...

In this paper, we decompose the electricity consumption changes of the whole industries of Shandong province in 2006 -2012 into activity effect, structure effect and intensity effect, using LMDI method. The results show that the expansion of economic volume mainly attributes the electricity consumption...

Surface-wave analysis methods have been effectively and widely used to determine shear (S) wave velocity. To separate and identify different dispersive modes of surface waves accurately is one of key steps using surface-wave methods. We analyze the dispersion energy of Rayleigh and Love waves based on...

The protection system simulation is an important part of the simulation training system for the UHVDC converter station. It is an important indicator of the fidelity of the training system to accurately simulate the protection action after the fault. In this paper, a simulation method for protection...

The paper outlines different solutions to address the problem of progressive collapse when designing buildings and structures and proposes possible modes of progressive collapse of structural systems. It presents the requirements stipulated by regulatory documents for assessing progressive collapse of...

Concentrations of black carbon (BC) were determined in the sediments from the main stream and the tributary of the Changjiang River with CTO-375 method. Meanwhile, the total organic carbon (TOC) contents, grain size of sediments were also measured. BC contents ranged from 0.22 to 1.89 mg/g, which was...

In order to improve the penetration of wind energy in a grid, pumped storage system for smoothing the fluctuations of wind power has been presented. A stand-alone wind-pumped storage and hydropower system which can transform wind power into conventional hydropower integrating to the grid can maximize...

This paper gives the comparison of the moving average, S growth and adaptive updating forecasting(AUF) models based on the rainfall-induced soil erosion area experiment. The results show that (1) the average relative error of the moving average method is 5.7%–12.1%, while S growth model has an error...

Smart low-carbon city as a rapidly developing field is the most investment value of the new project in the 21st century.In this paper, we propose an intelligent low carbon urban lighting system using fuzzy control and neural network control algorithm, it can realize intelligent, low carbonization and...

Energy efficiency has received extensive attention in energy-constrained Wireless Sensor Networks (WSNs). As is known, radio communication accounts for major energy consumption of wireless device and the control of radio transmitter can make effective function with energy efficiency system. In this paper...

Bamboo steel is composed of recyclable sinocalamus affinis with rich resources in China, environmentally friendly phenolic resin and moisture. The high-performance multi-purpose bamboo-based fiber composite processed with multiple technologies does not require special care and maintenance in use. Based...

The effect of the adhesives modulus from 0.05 GPa to 6 GPa on the stress distribution in weld-bonded single lap Dual Phase 600 steel joint was investigated using elastic finite element method (FEM). The results from the numerical simulation show that all the peak values of the stresses along the mid-bondline...

The Internet animation is a new media ways and means of communication, through between the two culture development and industry trend. Analysis mobile Internet era animation culture for the audience and the market value and role in promoting, by American and Japanese animation culture industry characteristics...

We suppose that in the sensor network, the sensing areas of the sensors are equal sectors, and consider the problem of regular covering of the plane with minimal number of identical sensors per unit area. In the regular cover, the plane is split into the equal regular polygons – “tiles” (equilateral...

Studies on MAC protocols of the Underwater Acoustic Sensor Network (UASN) are very important due to wide application area and great application potential of UASN. In this paper, a new concurrent bidirectional MAC protocol based on receiver self-adaption (RABIC-MAC) is proposed to improve the data transmission...

This project uses MCU STC15W408AS (stable, energy saving, high speed), temperature sensor DS18B20 (cheap, high efficiency, stable), MQ2 resistance type semiconductor smog sensor (high stability, fast response and economy) and NRF24L01 wireless transmitting and receiving module (energy saving, small volume,...

The applications of database architecture in the computer software production mainly based on the features of the database architecture, such as reliability, data capacity, easy expansion, wide applicability, easy maintenance and so on. With the development of computer technology, computer users are...

In this paper, a new type of wire-driven lumbar parallel rehabilitation device is designed based on the wire-driven parallel robot to realize the purpose of rehabilitation training the lumbar of the patient. On the basis of designing the mechanical structure, the kinematics of the device is analysed...

The paper employed Bayesian network (BN) modelling approach to discover causal dependencies among different data features of Breast Cancer Wisconsin Dataset (BCWD) derived from openly sourced UCI repository. K2 learning algorithm and k-fold cross validation were used to construct and optimize BN structure....

This paper outlines the Airport Disaster Management Plan towards the unexpected natural disaster. Mount Agung eruption issue has distracted the passengers to visit Bali as the world's tourist attraction. I Gusti Ngurah Rai International Airport as the air gateway to Bali should prepare for the pre-in-post...

The Smart Grid plays an important role in global energy demands by participating in multiple power sources across modern transmission networks. Energy forecasting is important in analysing and predicting electrical load demand, and it regularly applies arithmetical models and past data to the grid. Previous...

With the development of automatic navigation technology, path planning algorithms play a vital role in mobile robots and intelligent transportation systems. Although the traditional A* algorithm is stable and efficient, the paths it generates often contain numerous turning points and lack smoothness,...

Convolutional neural networks (CNNs) have become widely used in a variety of application scenarios due to the rapid development of deep learning and artificial intelligence technologies. However, traditional general-purpose processors face performance bottlenecks when dealing with large-scale convolutional...

Immunization is an effort to actively generate/increase a person’s immunity to a disease, so that if one day they are exposed to the disease, they will not get sick or only experience mild illness. This is done by administering a vaccine into a person’s body. Vaccines used to form antibodies have some...

Nickel pre-plating on stainless steel parts, electroplating Zn-Ni alloy layer on the basis of pre-plating layer. In order to improve the bonding strength between the coating and substrate by the introduction of nickel to form a good bonding with the iron matrix. To explore the influence of nickel pre-plating...

The purpose of this study was to observe the effect of β-amyloid protein injury on intracellular calcium homeostasis in Hep-1 cells. Aβ25-35 was used to build the Hep-1 cell model of AD. Intracellular Calcium measurements was performed by incubation with the calcium indicator probe and then observed...

In order to improve the low reuse rate of code and the low development efficiency, the paper takes use of the Common Component Architecture standards, builds a architecture admitting the clients access. The paper analyzes the importance of component technologies, introduces the composition structure...

Nantong fine-brush woodcarving is semi-processed first through CNC engraving machines which use Chinese traditional fine-brush paintings as carving patterns, then finished by manual engraving with hand and power tools. This paper dealt with the characteristics of Nantong fine-brush woodcarving from development...

With the relevant information and data of building project as a model basis, the building information model are established. It is an innovative building design, construction and management methods. Revit realized the transformation from simple information to information for specific purposes, maximizing...

This paper presents a dry separation system for thermal coal sorting in which the major grading equipment don't need to water, to avoid the shortage of the traditional wet separation process along with the complex slime water treatment systems, simplifying the process, and reducing the costs, meeting...

Flight Guidance and Control System is widely used in the world.which effectively improve the efficiency of play operation ,reduce system maintenance and construction costs,etc. so,This paper propose the use of structural analysis and design language(AADL) for Flight Management (FM).First,it is described...

Embedded systems have higher requirements on real-time performance of processor, and exception, which can interrupt normal execution of program, will decrease the processor performance. For improving the processor exception handling efficiency, a precise exception handling method for embedded pipeline...

PH gas field, which located in East China Offshore, has the characteristic: Prematurely Senile Appearance. That means it is currently in the middle period of development, but has many features of the later period of the gas field’s life. In order to compensate the reduction of gas production, the development...

There are two ways of trial assembly for steel structures which are well known as the physical trial assembly and the virtual trial assembly. The physical trial assembly is of high reliability but low economy. Nevertheless, the virtual trial assembly can save cost to the extreme extent and shorten the...

Wearable devices have got rapidly development in recent years, and the information transmission of them becomes an international research focus. To meet the requirement of reliability, real time and high throughput, ZigBee protocol plays an important role with its own inherent advantages and reasonable...

This paper based on the 6204 rolling bearing as the research object, Application of UG NX software to carry on the analysis to the bearing. In the modeling module of the UG NX, drawing the bearings, shaft, gears and fit them together. When the move correctly, take the proper load on it and make the software...

The development of Neighborhood Center in overseas and domestic is illustrated in this article under the background of current situation of large-scale settlement of modern suburban areas. Here, the 9 neighborhood centers in Su and Chu industrial park were investigated and analyzed in the first place,...

This article propose and use the Modify Constant Modulus Algorithm (MCMA) and Decision-Directed Least Mean Square (DD-LMS) joint equalization Algorithm to balance Inter-Symbol-Interference (ISI) at the receiving end of 16-QAM. We analyzed the joint equalization technology implementation and switching...

The paper proposes a new method of transferable calculation of elastic constants of the second, third and fourth orders. The method is based on the assumption that the potential energy of bulk crystals may be presented as the decomposition into irreducible energies of two, three, and four atomic clusters....

The need for an accurate mathematical description of the dynamic processes occurring in the running parts of the railway vehicles is substantiated, taking into account the real operating conditions of the rolling stock. A mathematical model of motion of vehicles with a variable structure of a system...

A Stable Ant-based Routing Protocol (SARP) for Flying Ad Hoc Networks is proposed in this paper. SARP is based on the Ant Colony Optimization meta-heuristic, which selects the next hop node according the stable value, pheromone and the energy of the link. The stable value is calculated by the transmission...

Heavy haul railway mainly transport bulk cargo such as coal and steel. Its characteristics includes large volume of freight, complicated operation of station, obvious heavy cargo direction etc. The bulk cargo's timeliness standard is low, the occupied time between different operations of station is distinct...

Researchers conducted research at PMI (Indonesian Red Cross) in Tegal City. After visiting PMI, the researchers found that PMI often held blood donor activities in various places. However, the efforts made are still unable to cover the blood needs that are needed each month. PMI has made efforts to send...

Given the current flood control situation and socio-economic development in the Yangtze River Basin, adjusting the layout of flood storage and detention areas is highly necessary. This paper conducts research on the layout adjustment of flood storage and detention areas near Wuhan. Through a systematic...

Carbon Monoxide (CO) is an exhaust gas particle that has negative impacts on humans or the environment if it exceeds a certain concentration threshold. In efforts to control the emission concentration threshold, concrete efforts need to be made, including the use of fuels that are more environmentally...