Advances in Engineering Research

E-mail is one of the most popular services on Internet, but traditional e-mail system is transmitted in plain text, which brings a lot of security risks. In order to ensure the security of e-mail, this paper analyses the integrity, confidentiality and repudiation of information. It introduces the protocol...

Particulates emission from coal-fired power plant is considered to be the main source of air pollutants. With the implementation of the new China national ambient air quality standard, monitoring and controlling particulate emission from coal-fired power plants are very important, and how to accurately...

At present, the silicone rubber material is the best material to turn over the plaster model. This paper was aimed to explore the error and error magnitude between the plaster model and the original one. The silicone rubber materials were used to turn over the the standard resin dental model into plaster...

In the study, Cableway Monitoring System which monitories cableway running state by Siemens S7-200 series PLC, is connected to PC .The PC is developed by VC Language .The article describes the principle of Dynamic Monitoring System and the program's software architecture. Test showed that the system...

Phosphorus and boron containing polyethylene glycol esters (PB-PEG) toughening agent was synthesized by the esterification of phosphorus pentaoxide (P2O5), boric acid and polyethylene glycol (PEG). Phenolic foams toughened with PB-PEG were prepared. It is found that the flexural and compression strength...

A novel computationally efficient algorithm in terms of time-varying symbolic dynamics method is proposed to estimate the unknown initial conditions of coupled map lattices (CML). The presented method combines symbolic dynamics with time-varying control parameter to develop a time-varying scheme for...

SPWM and SVPWM modulation methods are established based on the dual Fourier integral theory and the SPWM and THD modulation algorithms are compared. The results show that the SVPWM modulation algorithm can make the current frequency converter have more excellent output characteristics, which provides...

Ceramic Insulator is an important part of the electric power equipment.When the deposition of pollutant in the air contamination environment is serious, the uniform distribution of voltage in the ceramic insulator bunch will be changed in the real working environment and leads to an accident. This paper...

Acoustic information transmission path even today maintains a dominant position. Concept clarity measurement method Stipe is based on the empirical finding that variation the level of speech signals carry important information relating to speech intelligibility. Modulation of speech arises from acoustic...

The composite cigarette sorting system efficiency depends on a combined configuration of high flow sorting units and general sorting ones. This article innovatively proposes the polling theory of unit materials based on the actual demand for order picking under the herein scale. Put forward Exhaustive...

The unique characteristics of thin ball spinning technology is better than wheel spin, tube can choose a larger one including a reduction ratio, it usually includes a reduction ratio that can reach 40% ~70%. Therefore, it can greatly improve the production efficiency. However, including a reduction ratio,...

Due to poor performance of supply chain members the paper has been studied supply chain contracts based on newsboy model without option and centralized decision-making model. This research paper presents how to coordinate the supply chain in two-level of supply chain. All the numerical part analysis...

MFC aerogel was prepared, magnetic nanoparticles (MNPs) were loaded in the aerogel. MNPS were obtained successfully in the matrices without adding any other binders. The aerogel MNPS size was defined by TEM. The thermal-stability was marked by TGA. XRD was examined to define the particles of Fe3O4. This...

In order to explain the surveyed data more accurately and have a better understanding of the distribution of geoelectricity, two-dimensional partial differential equations of Magnetotelluric in anisotropic media are employed to establish vertical layered medium axially anisotropic model by Fourier Transform...

The process of icebreaker interaction with the ice cover is described, the method of calculation of resistance during the motion of ships by continuous motion in smooth continuous ice is given. The semi-empirical method of calculating the ice resistance is divided into components and includes not only...

The ecological environment of school sports is an environmental system which centers on the school physical education, and plays controlling and adjusting role in the emergence, existence and development of school sports. School ecological sport is an important part of ecological campus. It is also the...

Aluminum oxide (alumina, Al2O3) and polypropylene (PP) have been often used to produce thermal conductive composites. Short Glass fiber (SGF) is generally used to increase the mechanical properties of materials, but decrease the thermal diffusivity because of its low thermal conductivity. In this work,...

This paper propose the idea of building a real-time package simulation platform in VMIC Reflective Memory network through drawing on the idea of generic HLA Federation, especially for real-time needs of semi-physical simulation. For model complexity, heterogeneity and diversity of the model, it propose...

This paper expounds the selection of hardware, parameter Settings and software design in the PLC control system of the tobacco blending control system. It introduces the equipments composition, the control process, the method of flow control and the PID regulation of the tobacco blending technology during...

Understanding the failure mode and crack propagation in rock can provide useful information for safe and economic design of various structures in rock. Many researchers have developed theoretical criteria for rock failure with crack growth based on experimental observations. Numerically using cohesive...

In this paper,bismuth oxide (Bi2O3)nanoparticleswere fabricated by a facilesolvothermal process with the presence of ethylene glycol and further calcination.Theresultant products were characterised by thermogravimetric analysis, powder X-ray diffraction, scanning electronmicroscope.The results show that...

Based on the new institutional reform, medicine supervision was featured with targeting, elaborating and promptness ability. Base on the binary full life cycle analyze and the clarifying of informationized supervision construction and reformation system arrangement, this article divided food & drug informationized...

In the big data environment with the rapid development of the Internet, the dependence on information search is becoming stronger and stronger. At present, full text search based on keywords has been difficult to satisfy people's search needs. In this case, an information retrieval method based on knowledge...

Suspended matter is an important indicator of water environment monitoring. As a model of tropical tourist island in China, the content of the suspended substance influences the development of marine tourism. In order to understand the distribution of suspended matter concentration in Wuzhizhou Island,...

It is obvious that mechanical stripping is unable to meet the requirements for the stripping of extremely thin wires. Laser stripping has been widely used for its easy integration with electromechanical equipment and high controllability. Currently most laser stripping devices have to utilize double...

In recent years, Massively multiplayer online games (MMOGs) have been increasingly popular. Considering the limits of the traditional architectures, MMOGs based on the peer-to-peer networks have many advantages: scalability, computation cost, reliability and concurrency. Researchers have made improvements...

In hope that the ancient traditional tea dyeing which borders on dyeing away could thrive again with the revival of traditional Chinese culture and handicraft, the writer has done a lot of researches into and experiments on tea dyeing and the application of the theories concerned. A rational exploitation...

Solar energy is a pollution-free,ÿinexhaustible energy. The use of solar energy has been more and more widely noticed and one of the most practical technology is the solar energy heat utilization. This paper gives energy balance equations and exergy balance equations of the main instruments in a typical...

The alumina-based eutectic ceramic is considered as a most promising candidate materials of aviation engines due to its excellent mechanical property and high temperature oxidation resistance. Effect of the forced heat transfer on the zone melting process of the eutectic ceramic is analyzed by finite...

In order to study the seismic performance of RAC column silica fume enhanced, this paper selects 1 common RAC column as the control group, and the 3 column contains 4%, 6% RAC and 8% silica fume as the experimental group, combined with ABAQUS finite element simulation, the RAC column broken ring model,...

Web Abstraction Leads to the Generation of Software-Defined Networking (SDN). SDN unique unique CNC separation structure to control the liberation. The development background of SDN is introduced, the most mainstream SDN structure is analyzed, which is divided into three layers: application plane,data...

This paper aims to investigate an effort to increase the interest of young people in the agricultural sector. The article is a review paper which has been collected more than twenty relevant scholar publications. The problem of the diminishing number of young farmers is quite worrying because the condition...

Sustainable construction is a development approach that considers economic, social, and environmental aspects so as not to reduce the ability of future generations to fulfil their needs. In Indonesia, the implementation of sustain-able construction has been regulated in Permen PUPR No. 9 of 2021, but...

This study aims to determine the thermal characteristics of fly ash. The fly ash used in this study comes from the Paiton PLTU. The test was carried out using the TGA method. The TGA test was carried out at a temperature of 0°–1000 °C with a heating rate of 20 °C/min and nitrogen (N2) as a carrier gas....

In order to research the influence of the pre-support parameters of the pipe roof on the tunnel support effect of the large section and small spacing tunnels, the numerical analysis software MIDAS/GTS NX was used to model and analyze a new double-track tunnel. By changing the parameters such as pipe...

Since the 21st century, with the acceleration of China’s urbanisation process, the living space of China’s ethnic minority areas has become vulnerable and pathological under the impact of urbanisation and modernisation. This paper introduces the resilience theory into the study of ethnic village tourism...

With the development of human-computer interaction, virtual reality, and other fields, the importance of human posture estimation technology is becoming increasingly prominent. Traditional optical methods are limited by light, occlusion, and privacy issues, whereas wireless sensing techniques have become...

The construction industry has a significant impact on the environment, particularly in terms of its contribution to global warming, due to high energy consumption. The green building concept serves as a strategic solution to mitigate these negative impacts by applying sustainability principles in building...

Due to the large volume of storage tank at the national oil reserve base and its critical consequence of failure, its security issues are particularly prominent and are taken seriously by the government and the community. In this paper, the risk assessment technology is applied to 23 crude oil storage...

This paper reported the characteristics of solids conveying capacity of gas solids pneumatic conveying fly ash in up-extraction fluidized bin system. Up-extraction pneumatic conveying experiment bench was formed based on industrial case. Meanwhile automatic control experimental system which included...

The spoofing interference can mislead target receiver in reporting wrong position and time, it is a serious threat to the security of global navigation satellite system (GNSS) applications. The paper proposed an anti-spoofing method using the pseudo-range single-difference (PRSD) measurements of two...

Article the decision of current challenges in testing the endurance of steel crane girders. This article reflects the results of a lot of work to improve the durability of crane constructions. A detailed description of the special laboratory for testing of steel crane girders due to dynamic effects....

Boiler is one of the most important equipment of thermal power system. It is a very indispensable job to monitor the internal combustion of boilers. There are many ways to monitor the combustion process of the boiler, such as the negative pressure signal spectrum monitoring within the furnace, combustion...

With the deepening of the Marine development, underwater constructing often need to use the ROV. In order to verify the construction scheme, ensuring construction efficiency, the staff will use ROV or Dummy ROV on land to simulate construction. As the main body of the ROV, the manipulator is the execution...

Delay model is the basis for traffic flow optimal control. The current work mainly focuses on delay model of intersection, and less research is paid to area delay model. To meet the demands of area coordination control for urban traffic network, this paper proposes an area delay modeling method based...

With the rapid development of network science and technology, people are dependent on the network and usage greatly improved, but the network to bring convenience, but it also brings a lot of network security issues, it has become a constraint computer network construction greatest limiting factor. This...

Abstract.To address the inaccuracy of multi-storey indoor positioning, the paper proposes a method involving WiFi fingerprint positioning based on the prior information of map environment and position correction based on the image recognition technique. First, we establish a model of map environment...

Wheelset driving system is a key function unit of CNC underfloor wheelset lathe, its properties and accuracy play a decisive role for working accuracy of the wheelset (trains, subways etc) tread. At first, it analyses the force of cutting point for wheelsets, and then, contact mechanics analysis and...

Aiming at the problem of the west side final slope stability of Bu-Zhao-Ba, at first, based on the critical sliding field technology, the most dangerous landslide slip surface is searched and identified, and then, the final slope stability of the 342 section is analyzed though various limit equilibrium...

As one of the important public means of Government’s macro-controls, tax policy has played an important role in supporting the new energy industry development. Therefore, using a variety of means, especially macro-fiscal and tax policies, to promote new energy optimization in industrial structure upgrading...

Haze has been a worldwide problem disturbing the daily life of human, and even causing a variety risk to human health. However, haze particles, normally named “air pollutants” and “toxic wastes”, were firstly used to remove heavy metals from wastewater with a high efficiency. The morphology of haze particles...

In the previous research, it has been found that cyclohexanone pentaerythritol ketal has some bioactivity in the treatment of hurt in sports. In this work, cyclohexanone pentaerythritol ketal was synthesized from cyclohexanone and pentaerythritol by condensation catalyzed by zeolite and modified zeolite,...

For the energy efficiency evaluation of condensing units, the European (EU) Eco-design Regulation No 2015/1095 sets ecological standards, and Chinese National Standard GB/T 21363-2008 makes requirements on the performance of the units. In this paper, a critical comparison of the energy efficiency evaluation...

Since PPP (Public Private Partnership) project is playing an increasingly important role in the investment and construction of China's municipal works, considering features like wide evaluation range and multiple risk resources while conducting risk evaluation of PPP Project, this paper establishes risk...

Compared with the controls, the Liberalization will totally change the ways to decide interest rates. The liberalization of interest rate system entitles the commercial banks to price capital independently as well as bring them to face the challenge of a series of interest rate risk in their operating,...

In modern vehicles, part of the DC motor driven components use DC motor with hall of memory function, it is using the square wave produced by the Hall sensor as dc motor position feedback signal of the mechanical parts , these parts should pass position memory test to determine whether qualified after...

Obtaining the land use change and ecological carrying capacity change accurately and understanding the specific impact of land use change on biocapacity is of great significance for sustainable development. This study analyzed the influence of land use change on ecological carrying capacity, aimed at...

Through the statistics of the replacement parts of the B737NG aircraft pneumatic system, it is found that the precooler control valve(PCCV) is an important factor leading to the pneumatic system failure. It is concluded that the working conditions and the maintenance quality of the PCCV are the main...

The article deals with the issues of improving the reliability and durability of connecting rod supporting surfaces in crank mechanisms and internal combustion engines. The disadvantages of the currently used connecting rods are considered. In the process of the crank mechanism operation, due to intensive...

Two approaches to the decision of the problem of of metal alloys microstructures classification using neural network technologies are considered. Characteristics of the existing methods of recognition of grains circuits and phases of difficult microstructures are selected and described. A certain sequence...

With the rapid development of techniques, more and more enterprise applications need to integrate the different information from diverse database sources. In order to resolve the problem of data sharing and collaboration among heterogeneous databases in the enterprise network, we propose hybrid database...

Many topics in the field of bioinformatics can be abstracted into character sequence processing problems, such as gene recognition, protein secondary structure prediction, and so on. The sequence of characters can provide information from two aspects: composition and arrangement. The composition of the...

through the data plane and control plane isolation, SDN network architecture framework helps to simplify network configuration and management, improves the development efficiency, and the centralized logic controller to give more control over the entire network, the network has full visibility. These...

A new TEM model is proposed on the basis of coordination between crew and ATC team and an analysis of the sample data about threat, error and undesired state is conducted by using Bayesian model. The analysis obtains the correlations of the three kinds of safety information above through studying the...

Currently, the government is one of the biggest and most reliable partners in business relationships. When the situation is unfavorable for the development of the national economy, the importance of the state increases, which leads to the increased need for its security, economical one included. Thus,...

One of the efforts that can be made to prevent the spread of Covid-19 is to increase the body’s immunity, especially for residents who are affected. The purpose of this study was to determine the results of the starfruit syrup made with the addition of the herbal ingredients of turmeric (Curcuma longa)...

Currently, the huge bulk of glycerol formed during biodiesel production as a by-product offered an abundant and low-cost feedstock. Researchers have shown a growing interest in using glycerol as a sustainable feedstock to produce functional chemicals. In this work, ketalization of glycerol using acetone...

The production of bio-oil from biomass as renewable sources has been trusted as a suitable alternative in supplying future energy needs. Present in abundance amounts as crop residues cassava stems is potential biomass tobe utilized. As raw material, it has advantages such as fast and easy growth, minimal...

The inadequacy of an appropriate location and quantity of Temporary Disposal Facility or TPS in Subulussalam city has caused the municipal waste to be disposed in an arbitrary disposal site that mostly lacks the appropriate norm. In response to the necessity to improve waste management issues in the...

This study is aimed at addressing key challenges in smart city traffic management systems: traffic flow prediction and congestion point identification, through the development of a deep learning model that integrates Convolutional Neural Networks (CNN), Recurrent Neural Networks (RNN), and Graph Neural...

Cancer immunotherapy has become a revolutionary approach following surgery, chemotherapy and targeted therapy by activating or enhancing the body’s immune system against cancers. Its core mechanisms include CAR-T therapy, which modifies T cells, and checkpoint blockade therapy, which relieves immunosuppression....

This research aims to develop a student worksheet based on Model Creative Problem-Solving in a Mixture of Separation Material and to know the validity criteria. The type of this research is Research and Development with the development model of Plomp which consists of three stages, namely the preliminary...

Compared with traditional uniform piles, stepped piles increase the load transferred to the upper soil layer, which is consistent with the distribution characteristics of the internal force of the pile, which is larger in the upper part and smaller in the lower part. It has been reported that the vertical...

The road surface layer must be able to withstand the loads and be resistant to changes in conditions and the surrounding environment, so good-quality pavement mix planning is required. Latex as an additive is expected to improve the characteristics of road pavement, while fly ash from coal contains pozzolan...

The 20CrMnTiH gear steel was heated at temperature range from 850°C to 1250°C and at holding time range from 0s to 480s to obtain the law of austenite grain growth by using Gleeble-3500 thermo-simulation-machine in this research. The effects of heating temperature and holding time on austenite grain...

Cloud computing is a new leading information technology, combined with the IT technology and the Internet, super computing and storage capacity, and its goal is to as water supply, power supply, the financial system, "calculation" as a kind of public infrastructure and organization of large-scale information...

Gabor frames with redundancy property can achieve efficient reconstruction, which play a vital role in applied mathematics and engineering fields. In this paper, symmetric or antisymmetric Gabor frames about any symmetric points with any invertible matrices in higher dimensions are constructed from Gabor...

In recent decades, Unmanned Ground Vehicles (UGVs), as a part of the Army's Future Combat Systems (FCS), have become a hot research area in national defense science and technology. In order to study the influence factors of steering performance, turning model of a six-wheeled skid-steering UGV is established...

With the development of economy and technology, the new technology, new methods and new equipment are used in the construction of overhead transmission line. Currently, the part of the construction organizations lack cognition to this kind of new technology and new methods. Instead of, they rely more...

The Bode's ideal transfer function is applied to the parameter setting of fractional order PI D controller in this paper. The closed loop system composed of Bode's ideal transfer is used to be a reference model in this optimized system, where the controller parameters are searched by genetic algorithm...

In WDM network, it is still a core issue to research routing. According to the characteristics of multi wavelength optical network and the setting of the wavelength converter, we change multi wavelength network to single wavelength dynamic network through the conversion function of wavelength converter,...

The technology of quantitative separation of proteins is of great importance to drugtesting and pharm aceutical engineering, and it has become one of the hotspots in biochem icalengineering and protein analysis. With many special properties different from those of bulk materials, nanometer materials...

Facility location problems arise for planning and stationing serve centers. The solution of facility location problem can be modeled by a fixed point model. The hard point is that the collection of alternative sites is non-convex set while solving facility location problem between urban inner and outer...

This project mainly aims at the students which is convenient, simple and easy to carry. In addition, it basically has no harm to our ears, and we will not feel dis-comfortable after using for a long time, it is suitable for games, movies, music, voice and so on. We can also carry it to other places and...

Based on investigation data on Pb in bottom waters in 1985, we analyzed the content, pollution and horizontal distribution of Pb in bottom waters in the bay mouth of Jiaozhou Bay, eastern China. Results showed that Pb contents were 8.57-36.35 g L-1, and were confirmed with Grade III to IV in according...

Detecting Detecting the boundary of each cluster in a data set is a tough problem for many existed boundary detecting algorithms. In order to solve that problem, a clustering boundary detecting algorithm based on DBSCAN named BDAEC(Boundary Detecting Algorithm for Each Cluster based on DBSCAN: BDAEC)...

With the development of fuzzy and neural network theory, the role both play in engineering applications is also growing, but both their disadvantages are also gradually revealed. The neural network has a strong ability to learn, but it is a typical "black box" model, the knowledge acquired in connection...

For multi-target tracking and warning, cloud computing provides virtualization physical resource of cloud services, according to a single target exists in the process of drawing the boundary of the vertex and inconsistent problem, the service bus ESB using SmartGWT technology, automatic find infrastructure...

In order to characterizing the binder distribution, Changed drying temperatures were used to alter binder distribution in coating drying process, which was used to investigate into the effect of drying condition on the binder distribution and characterize the binder migration in the method of numerical...

Eggs in the standard method for rapid detection of veterinary drug residue has not been formed, therefore, it is necessary to explore a rapid, highly effective, the total amount and qualitative method of rapid detection of antibiotic residues in eggs. Many different kinds of veterinary drugs on the market,...

genetic algorithm is a common method for solving combinatorial optimization problems and the selection of crossover operators in genetic algorithm will directly affect the performance of the algorithm. In this paper, we compare the performance of three crossover operators, partially mapped crossover...

The current design specifications ignore the influence of cut-off walls on foundation pit de-watering design, the calculation formula of water inflow and the predictor formula of drawdown for enclosed cut-off walls insert into impermeable layer and enclosed cut-off walls insert into aquifer layer are...

TPS (Taiwan Photon Source) is a 3rd generation synchrotron light source, which is aimed to provide high brightness beam source for various novel scientific researches. Beginning from the start of 2016, to improve the beam orbit stability, fast orbit feedback system (FOFB) is installed and tested to eliminate...

In order to ensure shipboard medium voltage power system work successfully. In this paper, the existence of intermittent grounding fault of the shipboard power system is analyzed and studied. Meanwhile, A simulation model of shipboard medium voltage power system with multiple branches is built on MATLAB/SIMULINK,...

The working compound electrical loads are characterized by a large number of harmonics. It may pull down the voltage of the power supply network and influence the other electrical devices. Therefore, a control method of dynamic filter for the composite power load was developed. In this paper, a controller...

Discipline is a carrier of the scientific research and personnel training, and the discipline level is an important indicator to measure the level and the overall strength of universities. In this paper, the practical problem of discipline evaluation in universities is studied. Concretely, a index system...

As an important measure to implement the strategy of “The Belt and Road”, "Zhengzhou-Europe block trains" has been developing rapidly since its birth in 2013. No matter in the frequency, number, freight volume, or the scope of cargo sources, they rank first in the class of China Railway Express. This...

Coastal dynamic of North Java sea was the influence of the west and east monsoon as well as interseasonal effect during April-June and October-December. Espescialy to coastal current patern and to nitrate and phosphate variation and ultimately to phytoplankton. Study area focused at 110°52'03.72''E...

The hydraulic overload protection system is widely utilized with the advantages of high precision control, suitable for multi-point press and automatic reset. The stiffness of the hydraulic pad is a key factor affecting the corresponding performance. In contrast, the stiffness value of the hydraulic...

Numerical simulation is of great importance as implementation guides of polymer flooding projects. The history matching process is one of the main tasks of numerical simulation. However, there are still significant difficulties remaining in the history matching process of polymer flooding simulation...