Advances in Engineering Research

The article reveals the cause of road accidents in the passing direction on the federal roads of the Krasnoyarsk Territory. Analysis of the composition of the traffic flow showed that 50% of cars in the Russian Federation are not equipped with the ABS system. Studies of the magnitude of the braking distance...

Based on the power formula, this paper studies the performance standard of IP multicast performance evaluation. Firstly, the paper analyzes the performance target of IP multicast application. And then, two kinds of performance evaluation criteria were put forward, one of which is based on throughput...

Considering the size effect, temperature effect and hardening effect of the material in the shear zone, the shear strain and the shear strain rate of the material in the shear zone are studied by theoretical calculation and experimental study. Hydrostatic stress and shearing flow stress with the cutting...

Antibiotics are widely used to treat or prevent human and animal diseases, as well as to promote the growth of animals in livestock breeding and aquaculture. As a type of antibacterial drugs, antibiotics have been widely applied in human/animal disease prevention, disease treatment, animal husbandry...

Through 3D modeling and simulation software UG and the MOTION contained in it , the preliminary 3D modeling of 3D human vestibular training swivel chair which is the first generation of products based on spherical 4R spatial mechanism was completed , meanwhile the exact masses of counterbalance was obtained...

Aiming at the problems of low community quality and low efficiency of the existing community discovery algorithms, this paper improves the community discovery algorithm by selecting the seed nodes based on the Louvain algorithm. Experimental results show that the improved community discovery algorithm...

Due to disadvantages of premature convergence and poor local optimization, a structural damage identification based on wavelet-genetic stimulated annealing algorithm(abbreviated to SAGA) was proposed.Firstly, wavelet analysis is applied to identify the structural damage location and the number of damaged...

In the process of painting a product, it commonly occur defect results including corrugated painting, perforated, less smooth, speckled and uneven surface of painting. This can occur due to the setting parameters in the process of painting is not appropriate. This research is done to reduce the high...

Under the new situation of significant changes in the supply-demand relationship of China’s real estate market, local governments, on the one hand, urgently need to release certain land development preferential policies to stimulate the process of urban development and construction. On the other hand,...

In recent years, due to factors such as extreme climate and human activities, droughts have occurred frequently in middle and lower reaches of Yangtze River, causing certain adverse effects. In order to understand the runoff evolution law in middle and lower reaches of Yangtze River under dry conditions,...

Soil salinization in coastal areas is closely related to the capillary rise of groundwater. However, the water-salt distribution pattern due to capillary rise in soils with different salinization types is not clear. Through indoor soil column experiments, the capillary rise process in typical coastal...

Thermal comfort is a critical aspect of outdoor environmental quality that significantly influences human health, well-being, and productivity, particularly in densely populated cities such as Dhaka, Bangladesh. Traditional predictive methods typically rely on simplified models and limited parameters,...

Roads have a very important role in advancing national development, structures made of concrete are very susceptible to cracking due to the brittle nature of the material and the nature of concrete that is strong against pressure, but weak against pulling. And the utilization of waste material as substitution...

For studying the metal's three-dimentional platic flow mechanism along the longitudinal direction and lateral direction in rail universal rolling, the relationship between the metal flow volume and the elongation coefficient of different parts of rail was proposed, then the elongation coefficient of...

The paper takes a questionnaire survey to study the design and implementation of the student leaders' information system in Tibet. Tibet is located in the southwest border country, it's environment, history and culture as well as the national policy and so on all has certain particularity, it is the...

Preparation of gel of nano-Cu2O by in stiu reduction method in sodium alginate (SA) solution. The In-situ method is relation to the addition of nano-powder method, without dispersant, coupling agent can prepare SA/nano-Cu2O gel, it is a green preparation method. To explore the impact of various factors...

Potato is one of the most important food crops in the world. The information which extraction from high resolution remote sensing image is a new way to study the potato planting distribution and growth condition. For remote sensing target detection, a lot of people were used AdaBoost algorithm, SIFT...

This research aims to study the effects of experimental design parameters such as the number of wires, the length and braiding angle of stent on mechanical properties of braiding stentriever made from shape memory alloy. Self-expanding stents or stentriever were fabricated by braiding a number of wires...

In the context of rapid urban expansion and accelerated urbanization, the urban rain island effect begin to have the urban rain island effect. The rainfall character in the city proper is different from that in suburban district in many regions. In this study, 25 meteorological stations are selected...

Distribution plays an important role in electric enterprises. This article analysis characteristics of distribution model of business enterprises, sorts out three major factors which influence the distribution model of the business enterprise, constructs the distribution model selection model using the...

Through the research of the main parameters, performance and advantages of shield mule,and the application process of working face equipment moving process of the ultra thick seam with full thick low caving coal mining technology in Tongxin mine,solved that has been existed since as the retreat time...

Empty, segregation etc are the common internal defects of concrete slab, positioning the inner defects of slab is the basic requirement of the engineering detection and repair, in this study, the internal detects of concrete slab were studied based on the principle of impact echo method. Different forms...

With seismic explorations developing quickly, traditional communicating technologies used in land seismic explorations expose more and more shortcomings. For example, conventional cable-based land exploration systems are very expensive, labor intensive and difficult to be laid down in complex terrain,...

The work is devoted to the problem of wastes processing and utilization of coal-mining and coal processing enterprises. It is proposed to use coal-waste in solid composite fuel technologies with the use of innovative binder based on the activated sludge biological treatment facilities. Technological...

We prove the equivalence of the limit distributions of an appropriately centered and normalized sum and the maximum sum of - mixing random variables which have finite variances. The result is an extension of a result of Kruglov (1999).

Using aqueous two-phase to extract alkaloids in coptis chinensis. By changing the aqueous two-phase systems (molecular weight and concentration of polyethylene glycol (PEG), kinds and concentration of salt), and researched the distribution behavior of four major alkaloids in rhizoma coptidis: berberine,...

In the process of oil and nature gas drilling, the drilling fluid density is a very important parameter, which is one of the key factors of drilling safety. In the drilling process it is important to adjust the drilling fluid density rapidly according to the formation pressure. However, the efficiency...

Based on ANSYS finite element analysis software, the finite element numerical analysis model of the medium pressure vertical pipe was established. The seismic response of pipeline was analyzed by using the structural transient dynamic analysis, which provides a theoretical basis for the seismic design...

Visual Communication Design unprecedented tremendous development, rich visual form also brings to the audience a sense of visual fatigue. Visual communication designers must be the most sensitive to understanding the audience's attention lying. Graphical symbols have vivid, expressive and appealing features....

The trajectory accuracy of the carbon fiber 3D forming robots is one of the key factors to ensure the quality of forming. It is well known that carbon fiber 3D forming robots have high repeatability but low accuracy. Compared to conventionally used calibration methods, dual-PSD based methods provide...

A rock material biaxial compression test simulation based on the contact constitutive model for brittle rocks is built in this paper by the aid of particle flow code in two dimensions, which is on the basis of parameter sensitivity analysis and analysis by inversion to get the microscopic model parameters....

In order to study the influence of system parameters on the stability and dynamic performance of combination-configuration microgrid based on droop control, small-signal model is established at the point of steady state. By calculating the eigenvalues of state matrix, the small-signal stability of combination-configuration...

Constructing hierarchical Zeolite is an important method to enhance accessibility of molecular sieves and the research hotspot in catalytic field. A great number of synthetic methods for adjusting the pore structure of hierarchical molecular sieves were developed. The synthetic researches on hierarchical...

Wireless communication gateway uses CC2530 microcontroller as the core module, and utilizes Sim300 GPRS as communication module with the completion of the ZigBee/GRPS gateway hardware circuit design and application program design. The data transfer between wireless sensor network and telecommunication...

Artificial potential field method is a simple and effective path planning algorithm. In this paper, the basic idea of artificial potential field method is inherited. The gravitational potential field and repulsive potential field are introduced into particle swarm optimization. The gravitational potential...

A wind tunnel is a tool used in aerodynamic research to study the effects of air moving past solid objects. A wind tunnel consists of a closed tubular section with the object under test mounted in the middle. This study conducted a test to verify the distributed airflow in the Test Section Wind Tunnel....

In the meantime, the standard approaches predominantly focus on extracting spatial features from pre-trained convolutional neural network (CNN) architectures, including VGG16, InceptionV3, and DenseNet121, while rarely considering the sequential dependencies intrinsic to histopathological patterns. This...

This study focuses on the manual process of transferring plastic pellets into the plastic molding production machine, in which the operator brings the plastic pellets up to the top of the plastic molding production machine due to the high hopper on the plastic molding production machine. The goal of...

In order to analyze the inter-harmonic affections on the voltage flicker, the relationship between the inter-harmonics and flicker analysis are carried out. In order to be able to accurately determine the level of inter-harmonics to make the electric light flicker, inter-harmonic-flicker limit curve...

The specific model of intrusion detection based on clustering and boundary points detection was elaborateed in this paper, and the data processing, clustering analysis, intrusion judgment, intrusion response, typical data warehousing the five stages are described in detail; Then the experimental environment...

Method of network plan in project construction has been widely used, it complies with the requirements of the engineering construction management, organization and management is especially suitable for the construction of the project. At present our country network plan technology in engineering project...

This study proposes energy-saving indexes based on symbolic dynamic, applied to Efficiency Power Plants (EPP) of typical high energy consuming industries. Building the EPP by forming power saving plans of a given area or industry will optimizes power consumption way, economizes energy and reduces cost....

Short-term load forecasting is of great significance to the operation and analysis of power system to improve the accuracy of load forecasting. An Important Means to Guarantee the Scientific Decision of Power System Optimization. This paper aims to analyze the load fluctuation of the two regions and...

As the important unconventional energy source, oil sands have been paid more attention by the oil workers. The water-based separation method is widely applied to separate bitumen from oil sands. The water-based extraction bitumen has the advantages of large scale, extraction and separation without space...

Winter in northern China, the presence of low temperature and turbidity micro pollution of groundwater.a conventional water treatment process finished water can not reach drinking water standards, so the need for process improvement, enhanced coagulation using powdered activated carbon with a very good...

Parabolic trough CSP plant operates commercially in the most mature way, also is one of mainstream technology trends for future CSP generation in China. The parabolic trough CSP plant adopting high temperature molten salt delivers higher working temperature and efficiency. The generated electricity increases...

The paper consideres the occurrence of fretting corrosion on nominally fixed surfaces of highly loaded parts of mining machines and mechanisms. The authors give examples of wear and damage of critical parts operating under fretting. The mechanisms of fretting corrosion when using wear-resistant coatings...

To estimate the human health risk of heavy metals associated with consumption of vegetables, a total of 566 samples of vegetables were collected from Guilin to analyse heavy metals (As, Cd, Pb, Cu, Zn, and Ni) concentrations and the human risk. The average concentrations of As, Cd, Pb, Cu, Zn, and Ni...

Carbon dioxide and methane are the main greenhouse gas, CH4-CO2 reforming can transform the CO2 in the gasification gas and the CH4 in the coke oven gas into the syngas, the ratio of H2/CO in syngas can be adjusted by the ratio of gasification gas and coke oven gas according to the requirement, also...

Cobalt doped at B site from LaNiO3 with catalyst perovskite structure was synthesized by sol-gal process of thermal decomposition citrates. The gas diffusion electrode was manufactured via a complex process chain of catalyst LaNi1-xCoxO3 (LNC, x=0, 0.2, 0.4, 0.8, 1.0), graphite, sodium sulfate, PTFE...

Due to the rapid development of the IOT, more and more devices in the network need to be connected to the IOT. Device management and device auto-discovery has become increasingly important. Network topology is a way to describe the logical or physical connections between network devices, and it is extremely...

Effects of annealing on structural evolution and microhardness of Zr50Cu40-xAl10Pdx (x=0-15) bulk metallic glasses (BMGs) and composites were investigated using X-ray diffraction (XRD) and micro-hardness analysis. The glass transition temperature Tg and the crystallization temperature Tx of Zr50Cu40-xAl10Pdx...

A series of the experimental works, which allowed achieving an evident improvement of functional parameters of MEMS accelerometers, was performed by specialists of the Microelectronics Department MIET. In particular – decrease the nonlinearity of the static characteristic. This article describes methods,...

Genetic Algorithm Combining Operation Tree (GAOT) was constructed to estimate the slump flow of high-performance concrete (HPC) by using seven concrete ingredients. HPC is a highly complex material; because modeling its behavior is extremely difficult, robust optimization techniques are required. GAOT...

In the research process of statistical modeling method on the conservation of transport logistics costs, the current statistical model in the establishment of logistics transport save cost, has defects of inappropriate statistics of the cost of logistics and transport and establish a model error. Therefore,...

In this work, variations in rhizosphere microbial community in Wusong estuarine wetland were studied under simulated conditions through phospholipid fatty acids (PLFAs) analysis. Native plant species, bulrush (Scirpus tripueter) was tested in the study. The results indicated the root effect caused a...

In this paper, after thermal power plant 300MW boiler was studied, matlab was used to write calculation program about heat transfer process between the main steam and boiler flue gas and a mount of water was calculated to ensure the main steam temperature keeping in target temperature. Then heat transfer...

based on the theoretical research of multi-channel active control, this article developed a four-channel dual-core controller based on DSP+FPGA, and achieved good control effects, through the four channels in double layer vibration isolation platform, under the test of LMS system. According to the problems...

In recent years, the software development industry are developed rapidly with the development of software and hardware technology and the rapid expansion of the number of users.At the same time, the software encryption technology and the technique of reverse analysis also gradually narrowed, the fight...

Reasonable ecological compensation is about efficiency, equity and sustainable development of nature reserves in China. A large quantity of cases on ecological migrant's compensation in various nature reserves of China was utilized to summarize the main program contents and methods of ecological compensation...

A photonic crystal fiber extrinsic Fabry-Perot interferometric (FPI) micro pressure sensor is fabricated by femtosecond laser (fs) and fusion splicing. The pressure sensitivity can be adjusted by controlling the thickness of the diaphragm. The laser mircomachined FPI cavity helps to reduce the temperature-pressure...

Hemoglobin is a protein in red blood cells that functions as an oxygen-binding agent and also circulates to all organs and tissues of the human body. Changes in hemoglobin levels, both low and high, can indicate health problems. Checking hemoglobin levels in the human body is usually done medically by...

Through the analysis of the mechanical characteristics of large machinery, complex structure, complex operation conditions and high reliability requirements, once the failure will cause serious economic losses, and even lead to serious casualties of the accident. Fault diagnosis of construction application...

In this paper, we study a preconditioned Gauss-Seidel iterative method with the preconditioner which proposed in [1] for solving a linear system whose coefficient matrix is a M-matrix. Some corresponding comparison results between the preconditioned Gauss-Seidel iterative method and the basic AOR iterative...

This paper starts with discussing the status quo of current port/vessel water pollution standard systems, compares port/vessel pollution prevention &control laws and regulations of main ship-transport countries, analyzes main problems found present in current port/vessel water pollution prevention &control...

The influence of the different laser faculae model and optical field distribution with spatial frequency components on laser shock forming for TA2 titanium sheet metal was done by the binary optical beam shaper and the finite element software ABAQUS, and the dynamic response and forming rule of the deformation...

The Fe-Co double nanoparticle magnetic fluid prepared by pulse laser deposition was investigated. The results show that peak height of magnetic fluid under 5000 Gs magnetic fluid gradually reduced with increase mass ratio of Fe(CO)5 and Co2(CO)8, and peak height is biggest when mass ratio of Fe(CO)5...

In order to meet high precision and strict real-time requirements, an automatic test system design plan is proposed for Unmanned Aerial Vehicle (UAV) with many test items based on VXI-bus. MXI control mode of the VXI-bus system achieves the automated testing of UAV electrical system, control system,...

In this paper, the fracture models on FRP-concrete bonded interface are summarized and compared for concrete structures externally reinforced with FRP plates. The energy release rates of the unified model of bi-material interface fracture specimens under the transverse and moment loads by the rigid,...

The strap-on linkage equipment on the current launch vehicle is more difficult to satisfy the load design requirement of the new generation high-thrust strap-on launch vehicle. According to the research of the new linkage equipment technology, this paper studies the force transmission path optimization...

Oil acquisition and development is a difficult problem in the oil field and related geological study. The traditional geological exploration is of low accuracy, and need a lot of manpower, material and financial resources. The 3D geological modeling has been the foundation of oilfield development work...

Under the current urgency circumstances of energy saving and emission reduction, the comprehensive utilization of various forms of energy and others strengths, together to realize the environment protection and resources conservation has become a research hotspot. This paper focuses on the energy supply...

As a kind of new lubricant additive, Nano SiO2 particles exist in the form of particle cluster in suspensions. The objective of the present study is to put forward the lubrication behavior of Nano SiO2 clusters in water-based cold rolling liquid through cold rolling experiments of Q235 steel. PH values...

Large seismic events sometimes occur in underground coal mines - usually as the roof sandstone strata violently fail. Passive microseismic monitoring is a useful tool for monitoring the stability of these strata as mining progresses.  The layered medium results in refracted seismic waves, and thus ray-tracing...

In this paper, we adopted natural rain experiment method to study the transformation of the change of raindrop speed and diameter with time and the results indicated that the rain intensity change strongly with time at the natural rainfall. At the natural rain,the raindrop speed mainly at 0.8-5.8m/s...

The water polluters of Liao river in Liaoyang is elected preliminarily basing on the basin of the key water polluters of Liaoyang city, combining with the principle of polluters screening and the computing method of equal standard pollution load, optimizing and assessing the indexes which involves the...

The fluctuations in the International Financial Markets (IFM) are mutually reinforcing, and they truly show the characteristics of the fluctuations of the IFM. Previously, theories and methods of general economic contrasting construction are based on static floating effects, and there is no way to fully...

2K-H planetary gear is a commonly seen gear structure, but it has proven troublesome to match its tooth numbers through hand computation. This paper introduces a calculation method for the 2K-H planetary gear and develops a software written with the use of computer software technology for matching gear...

Shortwave spectrum is a main wave band of phototactic trapping agricultural insect-pests. Based on the phototactic sensitivity of agricultural insect pests, the shortwave spectrum character of purple, blue and green LEDs is analyzed by means of the fiber optical spectro-meter, and the compsite LEDs as...

Data from the Sub-Directorate for Cancer of the PTM Directorate, Indonesian Ministry of Health 2019, the cervical cancer early detection program using Acetic Acid (IVA) was held in 5,000. Jambi Province ranks 21 with a total early detection coverage of 8.42%. IVA test has a sensitivity of 65% -96% and...

With the rapid growth of artificial intelligence and deep learning, traditional computing architectures face limitations in efficiency and scalability. This paper explores Google’s Tensor Processing Unit (TPU) to understand how specialized hardware accelerates AI workloads and drives next-generation...

This research highlights the problem of dropout at the university level as a global issue that has a wide impact, not only on individuals but also on institutions, families, and communities. With technological advancements, big data is now used to analyze and predict the risk of dropping out of school...

Indonesia, with a population of about 250 million people, not only produces large amounts of municipal solid waste (MSW) but also requires large amounts of energy. The conversion of MSW into solid fuel can be the solution to solve the problems. Indonesian MSW is dominated by high moisture-organic wastes...

This paper studies a Simultaneous Wireless Information and Power design based on two important concepts of energy harvesting and cognitive ratio two key aspects of transfer systems: simultaneous modulation of interference power and output power, and the asymmetric transmit-receive relationship that must...

High-powered C8051F020 MCU is used as controller chip. Forty oscilloscope buttons, three coding switches and four potentiometer states on oscilloscope panel are monitored. The working principle, the hardware circuit connecting to MCU and the implementation of software programming of keyboard, coding...

Ceramic tool because of its high hardness characteristics are widely used in various types of cutting. Its frac-ture failure often occurs, so the poor toughness of ceramic materials is the main factor limiting the develop-ment. In order to overcome these disadvantages of poor toughness of ceramic cutting...

In this paper, a leader-follower formation flight controller based on ANFIS is developed. The simulation results present the validity and good performance of the developed formation controller in several flight conditions; straight-path trajectory, circular-path trajectory, spiral-path trajectory, and...

Carbon nanofibers (CNFs) was synthesized by simple electrospinning, followed by thermal treatment over a carbonization temperature of 900 °C. The morphology and microstructure of CNFs were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results indicate...

The rapid development of network applications has brought great challenges to the design of the firewall. In order to improve the processing performance of the firewall, the design method of high performance firewall based on RMI multi-core network development platform is proposed. The hardware design...

This paper discusses the problem of the evaluation in distance education. Base on the characteristics of distance education that teachers and students' space and time separation, and the course requirements. In this paper, the students in the learning process exists common problems --students' learning...

In view of the problem that the traditional sub pixel edge extraction method is obviously deviated from the real edge near the corner. A new algorithm is proposed. In this paper, the corner protection function is added to the level set energy functional, which makes that the evolution of level set function...

This study adopts a 3D model of a double cantilever beam with interlayer defects under pulsed laser. The type II stress intensity factor at the 3D crack tip of the interlayer and its variation with time are obtained via displacement extrapolation under the classical thermoelasticity and generalized thermoelasticity,...

In order to control pesticide pollution in water environment, ozone-fly ash combined process was studied in laboratory. Dicamba(3,6-Dichloro-2-methoxybenzoic acid) was selected as model pollutant. The reaction temperature was changed to study the degradation efficiency. The experimental results show...

Application fields of broadband seismometer determine that the settlements of the most instruments locate in remote areas in the wild. Especially as the broadband seismometers of scientific exploration networks and mobility observatory arrays are often unattended, and the field inspections of instruments...

The paper sets up a investment decision-making model with the option game thinking. First, based on the option game features low-rent housing projects have, the paper proposes some research hypotheses on value, benefits, costs for the options. Second, on the basis of the decision-making path of a multi-stage...

A new particle-type polymer SMG is developed in high temperature and high salinity reservoirs. This technology is one kind of deep profile control techniques which can remarkably improve oil recovery in the oilfield. Rheometry is the main characterization method of chemical agents in deep profile domain,...

In this paper, the protective electroless Ni-P/SiO2 on iron substrate were successfully prepared. The prepared Ni-P/SiO2 electroless composite coating were characterized for morphology, microstructure. The anticorrosion properties of the Ni-P/SiO2 coating in 10wt.% HCl solution were evaluated by immersion...

Teleoperation master hands with force feedback are used in the project more and more widely and the design requirements about their structure sizes and the scope of work space are also increasing. In order to expand work space of the master hand robot, and to ensure its kinematic accuracy, the structure...

The use of equations known in filtering theory to determine parameters of fluid motion through filters of various designs used in the oil industry to clean up the products from mechanical impurities is described. Analytical studies and calculations have been carried out to determine the speed of fluid...

The relation between maximum mechanical energy and electromagnetic module volume for single acceleration of the electromagnetic device armature in longitudinal magnetic field has been analytically established. Mathematical formulation of kinetic energy and mechanical work and the Maxwell equation for...