Advances in Engineering Research

Since the mobile network become popular, threats and challenges upon the security of cellphone are more serious than ever. However, the vulnerability testing methods are limited in the old white box testing which the manufacturers adopt basing on the knowledge from the original information of designing...

Cardiovascular disease is a serious threat to human health, the cause of which is mostly coronary atherosclerosis or spasm caused by vascular stenosis or obstruction. For the at the same time, digital subtraction angiography (DSA) is cardiovascular disease is the main means for modern medical diagnosis,...

In this paper, we propose a new saliency detection method based on graph. The method firstly uses SLIC to segment the image into a set of superpixels which are not overlapped, and regards these superpixels as nodes of the graph, then constructs a partly connected graph with these nodes. Secondly, the...

Modifying joint interfaces’ contact model of two spheres makes contact model more universal. On the basis of contact theory, energy dissipation mechanism and domain expansion factor’s effect, the elastoplastic fractal model of contact damping on two spheres is constructed. Numerical simulation results...

A large number of urban rivers in China have been heavily polluted, and occurred so-called black-odor appearance. How to treat and dispose these black-odor urban rivers has become an urgent and important issue for Chinese government. In the last few decades, the treatment techniques for heavily polluted...

A PC beam was made and different prestressing force was inflicted to the beam to research the relationship between the prestressing force and the short-term stiffness of the full-PC beam and the partial-PC beam. Under all levels of prestressing force, a concentrated force is exerted at third point. At...

The content of diphenylamine in standard powder is determined by pure diphenylamine as external standard substance in this paper, the value of relative deviation is in the range of ±3%. The method was applied to the analysis of samples of powder, the vales of RSD (n=6) were found to less than 3% and...

Many marine bays have been polluted by many pollutants, and identifying the major pollution sources is essential to pollution control. This paper analyzed the distribution and pollution source of Cd in Jiaozhou Bay in 1988. Results showed that Cd contents in surface waters in Jiaozhou Bay in April, July...

Half shaft bushing is the important parts of automobile axle housing. Slug is a very typical defect in metal punching progress. In this dissertation, the punching slug forming process has been simulated by DEFORM-3D software, and related causes have been analyzed. To optimize the process data for punching...

This paper aims to describe research findings on the application of the Most Significant Change as a means of evaluating student learning outcomes in the Pancasila Education course. Especially changes in behavior related to the Five Fundamental Principles (Pancasila) values during the e-learning teaching...

At intersections, the interaction of different directions of traffic is frequent, and the conflict between straight vehicles is particularly serious, and the formation of continuous flow at intersections has become an urgent problem to be solved. Therefore, this paper proposes a continuous flow regulation...

The transmission of the coronavirus disease 2019 in Indonesia has forced the government to impose a large-scale social restriction. This restriction has lowered the chances of contact with the virus and at the same time encouraged people to shop online for their necessities. However, despite the high...

Based on the single-factor experiments of galangin extraction from the galangal,the experimental variables,the ethanol concentration(X1),extraction temperature(X2),extraction time(X3),and ratio of thanol to raw materia(X4) were estimated and optimized by the response surface methodology (RSM) .The statistical...

To study the method of measuring cytochrome P450 (CYP450) in fish liver subcelluar fractions ( S9 and microsomes). Fish liver microsome was obtained by differential velocity centrifugation, the concentration of protein of liver microsome was measured by Bradford, and the activity of mice CYP450 was detected...

Adoption documentary summary and logical analysis, we discuss the problems and matters needs attention during specific endurance training The result shows that there is a common problem in specific training, that is the weakness in training effect Meanwhile, it leads to backward overall.. level of specific...

This paper studies the carbon fiber structure, physical properties, chemical properties as well as classification of the carbon fibers and the application of carbon fiber, through appropriate material selection (the merits of the material), a large number of experiments (of manufacturing a heating element)...

We often see different time and space scenes, different stories and different viewpoints change organically through one lens converge to form a complete film in the movie, and one of a series of the shearing lens elements and convergence is the montage technique. Such a method actually also often exists...

Taking one typical reservoir bank slope as example, do comparative analysis on internal force and displacement of slope under different draining conditions through utilizing finite element software ABAQUS. Analysis results show that thrust of slope on retaining wall obviously increases with the lengthening...

In this paper, we propose a weighted immunization strategy on real networks with community structure. We first introduce the concept of bridge nodes on networks. It may be helpful for controlling the spread of epidemic to immunize the bridge nodes in the network with community structure. Then, we present...

Basin management is a kind of protection and management activity for water environment with watershed as the basic unit. The cross-border property of watershed promotes the formation of trans-boundary water environment management in a basin. Referring to some related experience abroad and combining with...

To understand the effect of atmospheric pollution, house decoration and Smoke exposure on the clinic casesof respiratory system disease , investigate the relationship between environmental factors and the respiratory system disease. Methods: To Survey the situation of patient's smoke exposure and household...

full scale structural testing was carried out on four (4) concretefilled FRP arch specimens. The model was found to accurately predict the response of the arch members. After initial failure has occurred the arch members retain their stability as well as a significant amount of their initial load carrying...

At present, most of the measurement and control communication services in the aerospace field utilize the S and C frequency bands. The usage of the higher X and Ku frequency channels is also increasing. However, as the frequency band resources become more and more crowded, the Ka frequency band necessarily...

Application of fertilizers in grain fallow rotation in the central part of Kurgan region increased the productivity of grain crops by 3.0-22.1% and enhanced the quality of grain as well. The application of lime affected the composition of SAC and acidity of chernozem. Combined application of lime and...

As for the loss of the comprehensiveness from the large amount of data when extracting information, this paper proposes a method of character information extraction based on semantic similarity algorithm to improve the comprehensiveness of the character information extraction of massive data in the network....

Chronic fatigue syndrome was found and understood in recent years. It is different from the chronic fatigue emerged with a healthy human body. A large number of study found it was possible with a wide range of pathogens such as viruses, bacteria and might cause infection-related immune disorder. Aerobic...

In the face of intense competition in the world of work, the development of study programs is absolutely necessary. To produce graduates from study programs who are reliable and competent in their fields, they need to be well prepared in order to compete with graduates from other institutions in the...

Ejector type mixer has a hot water pipeline based on the Venturi tube. Cold water flowed from the left side of the pipe. After the gradual reduction of the pipeline, its speed went up and its pressure decreased, making vacuum degree in pipe throat and drawing hot water into the main pipe. After cold...

Rate estimation is useful for many H.264/AVC applications including rate-distortion optimization (RDO) for fast mode decision and precise rate control. In this paper, we propose a new header rate prediction model and an adaptive algorithm to provide more accurate estimation of the number of total coding...

Systematic experimental studies on microstructure evolution and texture development of pure Al during torsion at room temperature are carried out by electron back scattering diffraction (EBSD) and transmission electron microscopy (TEM). The microstructure evolution states the grains of deformed pure...

Through test on flexural behavior of 2 CBF bar reinforced concrete simple-supported beams on three-point static loading until failure, the experiment researches and analyzes the differences of the crack distribution, the ultimate bearing capacity, the load-deflection relationship and the impact of crack...

A portable and adjustable camera fixture with multiple degrees of freedom is designed so as to solve the problem of fixing and adjusting the camera used in the trial of the tank equipped with newly-developed gas turbine. It is simple in structure, flexible and easy in use, and secure and reliable in...

Global buckling for exposed HPHT (High Pressure / High Temperature) subsea pipelines is an important feature that needs to be considered during detailed design. The design of exposed pipelines will aim for; either to document that the pipeline will not buckle laterally, or, that the pipeline will buckle...

The paper designs a performance test device to detect the performance of the magnet-orheological retarder at different temperatures,different magnetic fields and different speeds, and completed the experimental study. The device structure has the characteristic of simple, reliable drive, convenient and...

As the main carrier of the robot, the wheeled robot has been studied for many years. Wheeled robots are driven by wheels to drive the robot to move and work. The key technologies of single-wheel rolling robot, two-wheeled mobile robot, three-wheeled four-wheeled robot and six-wheeled robot are reviewed...

In this paper, a finite element model was developed to investigate the response of adhesively bonded joint under tensile load. Different adherend thicknesses were chosen to evaluate its influence on the stress state in the adhesive film. The results showed that adherend thickness have a significant influence...

In recent years, with the rapid development of China High-speed Rail and magnetic levitation transportation, the domestic rail transit industry has entered a high-speed, high efficiency, high safety and high reliability stage. Signal safety is the core of safe and reliable operation of rail transit....

Effects of powder characteristics on rheological properties of alumina slurries were preliminarily investigated by measuring the particle size distribution and flow curves under steady and oscillatory shear conditions. The particle size distribution of three kinds of alumina fine powders was fitted based...

The traditional preprocessing method in morphology analysis uses Mongolian suffix segmentation and stemming. But there exists many cases in Mongolian. If the case is not processed, the corpus will suffer from data sparse problem and lead to poor translation performance. Therefore, we sum-marize and research...

In this paper, salinity characteristics in North Branch of Yangtze Estuary is studied based on Fractal Theory by analyzing the observed saline data. The inner rules of salt water and fresh water mixing system can be expressed by fractal characteristic values (fractal dimension D and fractal proportionality...

In this paper, a least squares support vector machine with mixture kernel (LS-SVM-MK) is proposed to solve the problem of the traditional LS-SVM model, such as the loss of sparseness and robustness. Thus that will result in slow testing speed and poor generalization performance. The revision model LS-SVM-MK...

Diamond-like carbon (DLC) films are well known for their high hardness, low friction and excellent wear resistance. Therefore, DLC film coating can contribute to improving mechanical and tribological properties of materials. The objective of this study is to investigate the effect of solid and liquid...

According to onsite investigation and analysis of the geo-hazards in Youyu County,their main types are identified as landslide,collapse,debris flow and surface collapse The causes are analyzed in terms of topography,lithology,rainfall and other factors The research result has shown that the geo-hazards...

This paper is based on the problem of Wireless Sensor Networks (WSN) being easily invaded, but using the WSN intrusion detection model that is similar to the biological immune system the problem can be solved. After the working mode of the immune system is introduced and applied to WSN, the way to improve...

Bus differential protection is effective measures to cope with the bus-bar fault in ship MVDC system. A realization of DC bus-bar protection is based on digital protection device which are suitable for complex medium voltage power system. Firstly, the principle of DC bus-bar differential protection,...

Nowadays, human society is transforming from industrial civilization to new civilization. The rapid development of China has encountered tremendous pressure and challenges of resources and environment. We need a revolution in ideas to change the mode of economic development. With such a background, the...

We investigated an impact of technological conditions of oxidizing X12CrNiTi18-9 stainless steel implants in repeated heating-cooling cycles in the air on morphological features of resulting metal oxide coating. Our findings confirmed that generated coating had a high morphological heterogeneity of its...

For the purpose of research on behavior of argillaceous dolomite suffering from extreme weather impacts in Guizhou region, Study the behavior of the physical properties of rock samples after the water phase transition effect. By wet and dry cycle test, freeze-thaw cycle test, wet freeze-thaw cycle test...

Interface debonding is one of the most commonly observed failure in the Solid Rocket Motor(SRM). In order to investigate the debonding properties, the experiment was conducted by using double cantilever beam(DCB) specimen, and the strain energy release rate was obtained based on the load-displacement...

In this work, a strategy was developed for the synthesis of nano-sized, zirconia-core ceria -shell composites directly via chemical precipitation method in mixed solvents. The as-synthesized ZrO2@CeO2 composites were characterized by X-ray diffraction (XRD), zeta potential analysis, field emission scanning...

This paper proposes a method to optimize Pathological Voice Features based on classification and experimental design. Firstly, all voice parameters of features are classified, then pick the right amount of each class of representative and typical parameters based on the principle of mathematical statistics....

The objective of travelling salesman problem (TSP) is to find the optimal Hamiltonian cycle (OHC) and it has been proven to be NP-complete. A heuristic method is proposed for TSP. It is realized with four steps. A set of approximations are computed with the 2-opt move algorithm firstly. Secondly, a frequency...

Monoclinic Li1+xV3O8 is an attractive cathode candidate for lithium-ion batteries. Here Li1+xV3O8 precursor was synthesized via a electrospinning process using LiNO3, NH4VO3 and citric acid as raw materials, and followed by a thermal treatment at 450°C for 5 h in air atmosphere, to get well formed Li1+xV3O8...

A fast initial alignment method used Adaptive sample size unscented particle filter (AUPF) for SINS is proposed in this paper. As the SINS initial alignment with large misalignment angle is a typical nonlinear and non-Gaussian filtering problem, the unscented particle filter (UPF) is widely used in existing...

As an important part of the study of network security, Intrusion detection has aroused special attention of scholars from home and abroad. PSO-based SVM network intrusion detection is innovatively adopted in the paper where PSO is applied to support the parameters of SVM. Multi-classification is carried...

This paper studies the computer network security problems. There are nonlinear relations among the evaluation indexes, and it is difficult for an accurate mathematical model to describe the nonlinear relationship. In order to improve the evaluation accuracy of computer network security, we put forward...

This study first analyzed the phase composition of Dahebian coal mine by XRD, then do the experiment of screening, float and sink test, following the Hg content of coal was determined by atomic fluorescence spectrophotometer, and the regularities of distribution of Hg was studied. The results showed...

This paper aims to exploit the adaptive control robot arm with six degrees of freedom, an adaptive fuzzy control system was established. a fuzzy controller, the robot arm trajectory planning and the D-H algorithm were studied based on the fuzzy controller. Firstly, fuzzy controller and control rules...

In recent years, "migratory birds" tourism pension industry has developed rapidly in Heilongjiang Province. Forest landscape, ice and snow culture and European style create a new development trend for the "migratory birds" industry and derive from new tourism pension Hot spots. On the basis of "migratory...

According to the requirements of the forest soil respiration experiment, the multichannel measurement system in the forest soil respiration is researched and designed. The system selects the Programmable Logic Controller (PLC) as the core controller, changes the measurement channel by switching the measurement...

Due to causes such as unreliability of the transport protocol, energy exhaustion and noise disturbance etc in wireless sensor network, the uploaded data on the sensor node usually tend to be incomplete, which brings about a series of inconvenience for analysis and operation in the subsequent. Therefore,...

At present, the research is not enough for the formula of water content and strength index in domestic.The paper aims how the change of water content influence strength index of remolded loess by consolidation drained triaxial shear test for the Linxian loess.The results showed that: The shear strength...

The influence of cultural differences by race and treat people with an understanding of the work will be carried out from different angles, which leads to the same people for a work of literary criticism. Expand article on the impact of cultural differences between British and American English and American...

This paper presents a dynamic simulation test method of transformer protection based on Advanced Digital Power System Simulator, ADPSS. Firstly, a simulation model of three-phase three-winding transformer has been proposed in ETSDAC, a commercial electromagnetic transient simulation program. Then, according...

We have demonstrated a facile and economical method for the synthesis of the sewage sludge-derived carbon. This product was prepared by using poly-aluminium chloride (PAC) as pore-forming agent through high-temperature pyrolysis at 900 , and employed for the removal of phenol from water. Thermodynamic...

Regeneration technology for waste rubber has been an important research subject in rubber industry for many years, but currently the enterprise mature reclaimed technology, mostly existence of high pollution, high energy consumption problem, can not meet the requirements of energy saving and environmental...

Gas coal, 1/3 coking coal, anthracite and lean coal are used to blend coal, asphalt is used as binder, coal blending scheme is formulated according to the requirements for each index of coal blending. The best scheme of coal blending is: 35% of the lean coal is combined with 30% 1/3 coking coal, 20%...

With the development of tourism, the contradiction between tourists and environment is becoming more and more serious, which is mainly reflected in the rapid development of tourism industry and the lack of legislation on tourism environmental protection. China's current laws and regulations exist in...

This study aims to provide an explanation of the relationship between supply chain resilience and firm performance as well as the mediating role of digital innovation in West Java, Indonesia's food and beverage manufacturing. The relationship between supply chain resilience and firm performance...

Taji is a type of special knife made for certain purposes, which in Balinese means sharp. The material for these spurs in the Bali area is made from used temple stone cutter knives. The material for this temple stone cutter knife is made from HSS (high-speed steel). The process of making spurs starts...

Obesity is a significant and increasing global health challenge, impacting individuals and society on multiple fronts. Its prevalence continues to increase and attacks individuals from various age groups, including students at the Polytechnic. The transition from adolescence to adulthood, a period marked...

The rapid development of the large-scale equipment promotes the investigation on flow around rotating cylin-drical aerodynamic characteristics at supercritical Reynolds number. In this paper, the flow past a rotating cyl-inder at supercritical Reynolds number has been studied using the computational...

At present, the rapid development of computer technology, embedded system software has been widely used, with the increase in application volume, which faces a number of system development cost, quality and other aspects of pressure. In order to increase productivity, improve the ability to adapt to...

The purpose of edge detection is to distinguish different regions of the image, usually the edge information is determined by the gray-scale change between regions. In the image with noise, the traditional edge detection method is easy to determine the noise as the edge point. While adding filtering...

Urban complex is a highly effective entity integrating many functions. Based on the analysis of complex development status of Linyi, the growth pole theory is used to explain the mechanism which urban complex exerts on the spatial structure. The development of complex influences the urban spatial structure...

Based on the classical NS and FI model, an improved cellular automata model is proposed taking into account the different types of drivers. The drivers are divided into the energetic and conservative. Moreover, the evolution and update rules are given for different vehicles considering their respective...

In the power transmission engineering design review work, assessors need to repeatedly read the report in order to extract the engineering evaluation index content from a lot of text and tables, then give a comprehensive review comments. In the process, experts need to search the document content and...

Due to the existing image definition evaluation functions in auto-focus systems easily affected by noise, an image definition evaluation algorithm based on lifting scheme is proposed. The algorithm uses lifting scheme for wavelet decomposition, and adopts the energy value of high frequency components...

The simulation model of the large bus was verified by real vehicle test, and simulation test of GB/T6323-2014 was carried out, and the safety and compatibility of the test and square were analyzed. The results show that the controllability and stability test can be completed in the square, but part of...

In order to study the change condition of the influence on the centrifugal compressor blade field, we change the size of the centrifugal compressor inlet flow and the centrifugal compressor impeller rotational speed,using the realizable κ-ε ii equation model to do the steady numerical simulation for...

Ice load is very important for the design of marine structures at low temperature areas. In order to reduce the ice load to the marine structure, it is common to pile with up-bending and down-bending cones. Therefore, the determination of the ice load acting on the up-bending and down-bending cone is...

A smart control component is a type of embedded systems, such as SoC, system on a chip. It may control various objects and build to internet of things, IoT. Bicycle sharing systems are popular and green transports in China. They can be set up based on IoT and smart control components. In this paper,...

Settling is one of the important transporting processes of pollutants in marine bay. Based on the analysis on the distributions of Cd in bottom waters in Jiaozhou Bay 1988, this paper defined the settling process. Results showed that Cd contents in bottom waters in Jiaozhou Bay in April and July 1988...

Galloping is a process gradually formed.Initially,the line has a small-amplitude vibration around the equilibrium position. With the impact of wind energy negative air damping ,the amplitude in the horizontal direction gradually reduced and vertical amplitude slowly increased.Thereby the path becomes...

Exposed to air and water, the oxidation of sulfide minerals (e.g. pyrite) in coal mine waste can result in serious environmental problems such as acid mine drainage (AMD). Thiobacillus ferrooxidans is generally regarded as the principal iron-oxidizing bacteria involved in the process of sulfide oxidation....

In order to make rationally use of the original data and improve the data fitting precision of the sine waveform, the owe period fast North-Seeking method of the polynomial interpolation is based on the least square method. According to the character of the large deflection north point data, the polynomial...

In this paper, a quasi-Z-source inverter (QZsi) is used to model and regulate a hybrid photovoltaic (PV) wind microgrid. This inverter has significant advantages over conventional inverters, including superior buck/boost characteristics, high power performance features, a lack of filter requirement,...

This paper summarizes the necessity and the reinforcement methods of slope stability, and introduces the application of strength reduction method in slope stability calculation. Combined with the Qinhuai River slope improvement project in Nanjing, the strength reduction method is used to analyze the...

The dynamic disturbance to the remaining surrounding rock mass of underground caverns produced by blasting excavation can not be ignored. Considering the rock mass damage induced by compression-shear stress in the zone near the blasthole, the KUS dynamic damage constitutive model was improved, and adding...

The karst water is one of the main geological disasters in tunnel construction in Karst area. The disaster of water inrush in karst tunnel is studied in this paper. FLOW-3D is used to simulation movement patterns of water inrush in karst tunnel based on BaoFeng tunnel engineering. The following contents...

With the development of Internet technology and the popularity of cloud computing technology, the organizations or companies try to build a private cloud platform. PaaS is a form of cloud computing service resources and provides application development environment. As the existing PaaS platform hosting...

Antibiotics, as the most widely used medicine, have been detected in surface water, urban wastewater treatment plants, and soil. The distribution and degradation of antibiotics have received wide attention due to the "pseudo-persistence" and worldwide transmissions of resistance genes. Of all water treatment...

This study aims to measure the effect of Financial Technology Information System (Fin-Tech) service quality to customers’ satisfaction level on the coffee shop business managed by young businessmen. With the growing enthusiasm of young people to start their businesses, Fin-Tech is favorable since the...

With the rapid development of domestic sports, the large-scale construction of gymnasiums has also risen. Due to the special characteristics of the large-span roof of the gymnasium, the steel structure construction faces many technical challenges, so thein-depth study of the construction process and...

Small and medium-sized enterprises (SMEs) play a very important role in the economic development and growth of a country. SMEs have great potential in business but face many challenges in innovation implementation. This research aims to examine the level of industrial competition, organizational innovation,...

As one of the emerging robotics directions, with the advancement of AI technology and the improvement of various algorithmic models, domestic service robots have begun to enter thousands of households. In this article, the author first uses specific data to show the huge potential of today's domestic...

With the rapid development of intelligent manufacturing, robotic shaft hole assembly is a key link in the manufacturing industry; its accuracy and efficiency are crucial to product quality and production efficiency. Vision-based robotic shaft hole gap assembly technology has become an important means...

In order to apply the lithium-ion batteries on the electric vehicles reliably and safely, estimating the internal statements of the batteries, such as the state-of-charge (SOC) is obligatory. The purpose of this work was to present a SOC estimation method named parallel arithmetical unscented Kalman...

The problem of weld formation in vertical welding is the difficulty of automatic welding technology of welding robot, which is easy to produce welding deformation, the welding seam is not fused, and the height is too high. In the welding process, to take effective measures to effectively solve the welding...

3D printing, a kind of emerging technology in additive manufacturing (AM), has been applied in many areas and aroused significant interests in academia and industry, for it promotes the development of democratizing design and manufacturing at lower overall costs. However, most 3D printers use open-loop...