Advances in Engineering Research

From the point of view of sustainable development, the durability of mine cemented paste backfill(CPB) structure has become more and more important. This paper mainly introduces the research status of the durability of CPB from the aspects of impermeability, heat resistance and chemical corrosion resistance....

In this paper, the basic principles of 3D printing technology was briefly introduced and several methods of 3D printing for metal materials were introduced in details, including Electron Beam Melting (EBM), Selective Laser Melting forming (SLM), Selective Laser Sintering forming (SLS), Laser Direct Melting...

Aiming at the problem that the matching error between the target template and the candidate template. In this paper, a new target tracking algorithm based on sparse representation of cooperative template is proposed. When constructing the target template, the global and local templates were used to set...

The use of fireproof thermal insulation material in building external wall insulation system is of great significance. In this paper, through the research of three kinds of fireproof polystyrene insulation board in our country building market in recent years, the comparison and analysis with traditional...

The use of Biodiesel as a diesel engine fuel is being prioritized by the government to replace the increasingly thinning fuel oil and to reduce air pollution due to diesel engine exhaust gases. It is expected that in 2050 fuel oil can already be replaced with biodiesel. Biodiesel that has started to...

This modeling was carried out to see the characteristics of water infiltrated through two different media types by considering the characteristics of the infiltration ability of each media. The media in the first layer is pervious concrete, while the media in the second layer is clay silt. The model...

This study examines the linguistic challenges in learning and teaching maritime law at Sorong Merchant Marine Polytechnic, focusing on students’ difficulties in understanding complex legal terminology and maritime English. Non-native English speakers face significant barriers due to specialized maritime...

With the rise of electric bicycles as a sustainable mode of urban transportation, the demand for convenient charging solutions has become increasingly critical. This paper takes Shunyi District of Beijing as an example, comprehensively investigates the current status of the utilization and management...

Indonesia has a tropical climate with high rainfall intensity. The longer the pavement is immersed in water and subjected to repeated loads, the lower the mixture’s durability will be. This research involved the addition of an additive in the form of Low-Density Polyethylene (LDPE) plastic waste using...

In the 618 Shopping Festival in 2024, Taobao and Jingdong announced the cancellation of pre-sale, and announced their own big promotion rules, it seems intended to make some new tricks in 618 this year. The five marketing trends of today’s e-commerce platforms are: price subsidy, new products, luxury...

Pyrolysis is a promising alternative for managing the substantial amount of low-density polyethylene (LDPE) plastic waste, particularly plastic bags. The high temperatures in the pyrolysis reactor can vaporize the plastic, necessitating a condensation process to capture this vapor as a liquid. The condenser...

With the development of the communication industry, the spectrum scarcity problem is appearing. Cognitive radio is a popular wireless communication technology. it can solve this problem efficiently[1].In the conventional model .we assume that the occupancy state of the primary user is constant ,which...

In order to demonstrate the feasibility of cooperative inversion of the vegetation indexes between FY-3A/VIRR, FY-3A/MERSI and Terra/MODIS, the NDVI from these data was compared. The authors selected 2012 year's data of FY-3A/VIRR, FY-3A/MERSI and Terra/MODIS which is covering the upstream of the Heihe...

Combined with recently-developed Bi-Telecentric system, a new three-dimensional measurement model is proposed in this paper based on existing measurement technology, which reduces the calculation of three-dimensional reconstruction. Then, an experimental platform is built to verify the reliability and...

Currently, green design is discussed just as a concept in industrial design area. With the spread of green knowledge, the consumption concepts such as reasonable and rational consumption and emphasis on ecological effect in consumption have gradually affected people's consumption behaviors. More and...

In the process of social and economic development in our country, China's science and technology is also constantly improved, including computer network technology. The emergence of network technology provides convenience for people's work and life, but there are many problems in the use of network technology....

The research and practice have proved that it is effective, easy to construct, and reliable quality to reinforce the concrete column with fiber cloth.Through the study of using FRP reinforced concrete cylindrical experimental process from domestic and foreign scholars,the preparation process of concrete...

A series of phosphotungstic acid and phosphomolybdic acid loaded CdS composites (HPW/CdS and HPMo/CdS) were prepared by impregnation method, and then characterized by FT-IR, XRD and TEM. The influences of different loading amounts on degradation rate of Safranine T under ultraviolet (UV) light irradiation...

Polyaluminocarbosilane (PACS) is an important precursor of SiC ceramics. And the molecular distribution of PACS has an essential influence on the properties of its derived ceramics. The importance of absolute molecular weight analysis of PACS and the convenience of gel permeation chromatography ( GPC)...

Transliteration annotation in Russian speech recognition corpus has been always a problem which is difficult to resolve due to its time consuming, low efficiency and difficulty in personnel and quality control. This paper presents a technology based on crowdsourcing, designs the crowdsourcing platform...

To resolve traffic conflicts, taxiway bridges are set in major airports. Taxiway bridges are different from highway bridges in load grades and structure types. The traditional test methods are short in two aspects: interrupting traffic, which seriously affects the normal operations of airport. And the...

This thesis conducted a comparison analysis via an experiment on clutch pedal effort hysteresis response characteristic in accordance with oil line characteristic which makes up the drive system in automobile clutch. Clutch drive system experiment Jig was composed and used in comparison analysis of response...

In this paper, computer security and firewall technology for a simple analysis, and then study the type of firewall technology, principles and the latest firewall technology, and to make some research on the firewall technology in computer security, such as the configuration of security services, configuration...

Visible light induced photocatalytic oxidation degradation of Acid Orange II dye was discussed. Bi2O3 was chosen as the photocatalyst. SEM showed that Bi2O3 powders were of about 7 to 8 um in size. It was porous and AOII could be effectively adsorbed on the surface of Bi2O3. And then the absorbed AOII...

Dynamic response of a functionally graded material circular plate subjected to thermal shock is investigated based on the von Kármán’s plate theory. The geometric imperfections of the plate are taken into account and the bottom surface of the circular plate is subjected to uniform thermal shock loadings....

Five new acidic ionic liquids were firstly synthesized from 8-hydroxyquinoline and five kinds of acid such as H2PO4, H2SO4, CH3SO3H, TSOH, HBF4 by one-pot method. The structures of the synthesized compounds were characterized by 1H NMR, IR and MS. Acidities of the ILs was determined by Hammett acidity...

Gathering and transferring pipeline network of oil-gas system exerts remarkable impact on construction cost for whole oilfield engineering. Based on analysis of previous optimization methods for oil-gas pipeline network layout, this paper introduces some frequently used optimization design methods and...

Hollow spherical joints’ stiffness has important effect on the strength and stability bearing capacity of reticulated shells. Because of complication of theoretical analysis and difficulty on experiments, the stiffness of hollow spherical joints which are applied widely in the large-span reticulated...

A conventional muffler of internal combustion engine is mostly constructed as a mixture or combination of perforated ducts, baffle or perforated baffle, expansion chamber, etc., and the noise reduction is limited and backpressure is high hence the fuel efficiency is low. In order to solve the problems...

Larch defoliation by Pristiphora laricis has caused great damage in China. Taking Saihanba Mechanical Forestry Farm of Hebei Province between 2007 and 2010 as the study area, the relationship between the Pristiphora laricis infestation and the habitat factors were analyzed after representative needles...

Monodisperse PbWO4:Tb3+ hierarchical ellipsoidal particles have been fabricated through a hydrothermal method by using trisodium citrate and SDBS as surfactants. The as-obtained PbWO4:Tb3+ are well-dispersed with narrow size distribution and are assembled by many closely packed nanoparticles. The as-obtained...

In this dissertation, an integrated factorial design about 70T Concentrated nitric acid tank is researched and implemented. Through the computation analysis of the body strength and its overall design of the frame, we get the improvements and optimization design scheme to its structural design.

In order to realize the high precision positioning indoor based on the technology of ultra wideband,this paper proposes one kind of algorithm based on the partial least squares (PLS) and particle swarm optimization (PSO) algorithm, for the problem about the search ability of PSO algorithm low efficiency....

Electromagnetic radiation pollution has become the fourth pollution sources on a threat to people's health. This paper selects ferrite as an absorbing agent, preparing a new anti-electromagnetic radiation gypsum board. The results show that, absorbing properties of gypsum board decreases first and then...

The active failure is important to the power system reliability. The effect of the active failure is proposed and analyzed to evaluate the power system reliability by the amending parameter method and the simulating failure method. in this paper. The need of the considering active failure is verified...

Objective: To explore the relationship between dose and efficacy of traditional Chinese medicine, to provide reference for the study of Chinese medicine dose and toxic medicine attenuated efficiency. Methods: Through the study on Chinese medicine dose effect relationship and access to the previous use...

During this time tourists are familiar with tourist destinations on Bangka Island only in the form of beaches, sea or marine tourism. While there are several cultural-based tourist destinations and religious and worthy to be developed. Bangka Island is an area with a strong Chinese ethnic culture, as...

Flexible pavement distresses are often caused by overloading with the combination of other factors, such as subgrade strength. Therefore, this study was conducted to investigate and analyze the effect of subgrade strength on flexible pavement mechanistic response with normal traffic loading and overloading...

The research was conducted in 2011-2013 in the northern forest-steppe of the Tyumen region. The vegetation period of hulless barley samples ranged from 63 to 80 days. The samples with the length of stages - seedling-heading - 38-42 days and heading-ripening - 29-33 days produced the yield higher than...

In view of the relationship between diseases and insect pests in the growth process of ginseng, the safety of ginseng planting production and the key scientific problems of product quality and yield are solved, and the signal identification model of ginseng disease and insect pest is adopted to ensure...

This article analysis the changes of Beijing talents policy in the new era. It categorized the policy as five aspects: talent introduction, talent life-support, talent training, Talent motivation, talent entrepreneurship, analyses the current situation of different kind of policy, point out the shortage,...

In this article, we use space geometry and linear optimization to set up the creative flat folding table of the optimal parameters of the model, and synthetically use Lingo and Matlab software to solve the model. In order to describe the problem, we first establish a rectangular coordinate system. Then,we...

In recent years, mobile technology and mobile-device have been rapidly developed. Since mobile devices collect and transmit large amounts of private information about users, malicious applications will pose a significant threat to the privacy and property security of the individual. Openness is a crucial...

The article deals with conditions and formation stages of steppe specially protected natural territories in the south-east of the Russian Plain and Volgograd region. To achieve the goal, the author used methods of field complex landscape-ecological studies, analysis of cartographic, literature and fund...

Nutritional Balance in feed is critical to improve the efficiency of feed. The use of oil in omnivore fish can serve as a spare protein-energy provider in addition to carbohydrates. Not only is the adequacy of the quantity and quality of protein that must be guaranteed, often the energy value is not...

This study presents a comprehensive spatiotemporal analysis of wildfire patterns across Mongolia from January 2005 to December 2024 using satellite imagery, covering a 20-year period of observed data. The study reveals characteristics of wildfire frequency, distribution, and trends at national and provincial...

The rivers of Bangladesh, particularly braided rivers, are highly dynamic and susceptible to frequent hydro-morphological changes, such as riverbank erosion, which poses significant challenges to riverbank protection. This persistent issue results in significant land loss and community displacement,...

At PPI Madiun, the power supply system to operate the level crossing doorstop is currently still dependent on electricity from PLN. However, to reduce dependence on electrical energy from PLN as recommended by the Minister of Energy and Mineral Resources (ESDM) and the Director of PPI Madiun, the abundant...

Wear is phenomenon of material loss that arises because of interaction of solid surfaces which mechanically loaded and in relative motion. Understanding wear phenomenon is important in teaching and learning process for subjects related to engineering materials. A tribometer is a typical tool utilized...

This research investigates the dual role of Aluminium powder in stabilizing and improving Aluminium foam production via the melt route. By mixing Aluminium powder with titanium hydride (TiH₂) before adding it to the melt, the powder acts as both a stabilizer and a dispersing agent for TiH₂, enhancing...

A novel prestressed NiTi-SMA/CFRP composite material was developed by utilizing the shape memory effect and super-elasticity of NiTi-SMA wires to apply prestress to the CFRP layer, and used to strengthen RC circular columns. Axial compression tests were conducted on one control column and four composite-strengthened...

By early 2023, Government of Republic of Indonesia has decided to apply a diesel fuel called B35 for petrodiesel compliment. This substance is a mixture of biodiesel and petrodiesel. The decision is made to anticipate decrease of petrodiesel reserve as well as for better environment and sustainability....

Vertical climbing greenery, as an energy-saving design tool, has a significant effect on improving the building microenvironment. The purpose of this study is to quantify the effect of vertical climbing greenery on the building microenvironment in summer, especially for a school building in Shenyang...

A supramolecular complex containing one ruthenium(II) center (RuIIchro) and two copper(II) centers (CuIIcat) has been prepared facilely. The complex was employed for decarboxylation of carboxylic acids with molecular oxygen (O2) under visible–light irradiation, resulting in aldehydes. The photocatalytic...

With the development of computer network, the protection of network information from various attacks is becoming more and more serious, and has become the basic purpose of network security. However, because of diversity and openness of computer network connection with the terminal and the network distribution...

Accommodate the problem of the amount of information for the general black and white two-dimensional bar code is relatively small and the Chinese character coding efficiency is relatively low, we propose a color two-dimensional QR barcode.This scheme focuses on the color two-dimensional QR barcode encoding...

In this paper, iron tailings and cement are used as the basic raw materials. Through studying strength and dry density, we explore the feasibility of preparation of foam concrete using iron tailings.

The paper proposes an improved underdetermined blind source separation (UBSS) method of nonlinear mixture, which can be applied to the communication signals' separation during data link transmission in the complicated electromagnetic environment. The proposed method combines the advantages of wavelet...

Cyclonic duster has become the mainstream in fully mechanized workface, better than any other kinds of dusters in dust removal efficiency, sewage discharge, disassembly and assembly, moving with the boring machine etc. This paper reveals the effect that the opening of the throttle plate significantly...

Possible solutions of this problem and environmental security are considered in this article, solutions are based on a scientific study on recovery and recycling of oily waste. The method of oil extraction in the purification of oil-containing wastes using solar energy is worked out, given method based...

Through benchmark concrete proportion to material composed of adaptability and efficiency test, add special preparation of concrete admixture, mechanism of different stone powder content of sand sand mechanism of C55 high performance concrete performance impact study. The test results show that the special...

The dual-tutor system is a training model. The Institute of Materials Science and Engineering of Shandong Jianzhu University began to carry out the dual-tutor system in 2006 to improve the quality of cultivating students and to strengthen the construction of connotation. The training mode on graduation...

This paper makes an investigation and analysis on the status of special shaped parts processing of wooden furniture. On this basis, according to the shape and structure characteristics, the special shaped parts are classified. In addition, the processing procedure of solid wood special shaped parts is...

The paper deals with ways to process control of forming the surface quality parameters according to a desired law with the help of machining by surface plastic deformation on CNC machines, which allows ensuring the uniformity of surface operational properties when working in conditions of unstable operating...

The article presents the results of wind modeling with the effects on high-rise building in the aerodynamic tunnel; the data were applied to complete the calculations of the load-bearing structures with wind and seismic loads. This resulted in obtaining the forms of natural oscillations of a high-rise...

Based on the finite element method, this paper establishes a differential equation of the coupled gear-rotor motion by applying MATLAB. The coupled bending and torsion vibration were considered in the equation. The eigenvalue and eigenvector were acquired through order reduction and solution of the homogeneous...

In this paper, By choosing four kinds of grinding aids better one-component, The grinding aid of cement grinding aids is determined by orthogonal optimization. By adding different inorganic reinforcing components, Developed a cement grinding aids. The result turns out, compared with blank sample, the...

Dust deposited on photovoltaic (PV) module surface is one of the most important factors that influence the power of PV modules. In this paper, the settling volume and distribution regularities of dust in the gas-solid two phase flow under different conditions of PV component installation angle and wind...

In recent years, the incidence of tuberculosis, the rate of resistance in China was a clear upward trend and the number of cases needing for surgical treatment is increasing. Surgical resection of lung disease can eliminate the source of infection, shorten the course of treatment to reduce the complications...

The bridge is one of the main elements of Huizhou ancient village shuikou. It is practical, spiritual, public,even the gateway to the village. On the basis of extensive literature review and field investigation, the history, function, form and image of the shuikou corridor of Huizhou ancient village...

This paper studies the theory and algorithm based on the maximum mutual information image registration, And on that basis, the paper comes up with an idea of algorithm improvement to combine the wavelet decomposition with the theory and algorithm. This paper also proves from the theory and practice that...

A rheological model of native sago starch was developed by determining the shear stress at various temperatures, and at several shear rates, using an LVDVII+ Brookfield viscometer. The data were analyzed to obtain the consistency index (k) and the flow behaviour index (n) using an empirical power law...

Kidney is an important organ that functions to maintain blood composition by preventing the accumulation of waste and controlling fluid balance in the body. A Hemodialysis is a blood replacement therapy used on a kidney performed for 4-5 hours 2-3 times a week with the aim of removing the waste products...

Scientific creativity is a part of higher order thinking skills which is the main goal of 21st century education. It is important to equip students with these skills to face increasingly fierce global competition by utilizing the development of information technology. One of the innovations that can...

The purpose of this research is to discuss the readiness level of Sarawak Disaster Management Agencies (SDMAs) during Fourth Industrial Revolution (IR4.0) and to examine the challenges of the IR4.0 transition for the state of Sarawak in managing the disaster. IR4.0 readiness in disaster management is...

In this paper, we construct and analyze an oligopolistic market model involving two-sided network, vendor-managed inventory, and uniform distributed demand. This model aims to explore how the vendor side (i.e., manufacturers) and the buyer side (i.e., demand markets) achieve decentralized market equilibrium...

The performance of foam concrete is greatly affected by its internal pores. This study systematically scanned samples of foam concrete with different densities, and analyzed the size and number of pores and their effects on the mechanical properties and sulfate resistance of foam concrete through software....

The widespread adoption of virtual reality (VR) technology is hindered by significant technical challenges that affect its functionality and accessibility. This paper explores these challenges, which include the high cost of VR devices, performance limitations of current VR headsets, issues of ergonomics...

Services in the field of staffing related to proposed promotions and positions, study tasks and study permits, pensions, and data archive management that are conducted manually require energy and a long time. The use of information systems is very necessary to support acceleration, convenience, and comfort...

The earth pressure with finite width is often encountered in engineering. Theoretical research and engineering practice show that the classical Rankine and Coulomb equations are not suitable for active earth pressure with finite width. In this paper, based on the lower bound theorem in plastic mechanics,...

Soil spray sowing protection techniques for rocky slopes always face challenges such as low germination and short survival periods, due to their poor water retention and high evaporation rate on rocky slope surfaces. Following points of view on ecological and environmental protection, low energy consumption,...

This study examines the simulation techniques for renewable energy generation, with a focus on the Maximum Power Point Tracking (MPPT) algorithms in photovoltaic (PV) systems and the simulation models of Doubly-Fed Induction Generators (DFIG) in wind power systems. The research reveals that optimized...

By considering the interaction of liner and surrounding rock mass, without assuming the support pressure is known a priori, an improved model of solving plastic radius and the distribution of radial displacement around the circular pressured tunnel with liner is proposed. Based on Mohr-Coulomb yield...

Using Fe55 spherical fluxed alloy power as the raw material, a Fe-based alloy coating on the surface of steel was deposited by a semiconductor laser under the optimal process parameters. The microstructure and properties of the samples were analyzed by means of OM, SEM, XRD, the micro-hardness and frictional...

The issue of the squirrel-cage induction motor start-up mode control is considered. Its unsatisfactory dynamic state in the direct power connection mode is remarked. The problem of the squirrel-cage induction motor start-up mode control based on the definition of its current electromagnetic state, while...

Patrol robots are more and more widely used for their mobility,flexibility, environmental exploration capabilities, autonomous monitoring and many other powerful functions, and can be seen in production, military and other fields. But most of the current inspection robots' working time by the power supply...

This manuscript presents the use of recharge impulse technology (RIT) in pile foundations set-up through a case study. More precisely, it discusses the performance brought by such a technique in terms of increasing the bearing capacity of deep foundation systems comparing to classical set-up processes....

The gear design process involves many calculation parameters and big computational effort, which are inefficient and error-prone. In such cases, the software based on VB6.0 was developed, which can automatically operate the gear parameters and generate the result data. Software interface is simple, easy...

In the experimental study of the film’s thermal damage, an extremely high power density is needed. In order to achieve such high power density, the incident beam is generally converted. In this situation, the cone’s angle of the converted beam is inevitable. A narrowband filter optical film is taken...

The direct current motor (DCM) is widely applied in industrial field. The presence of brush and commutator in traditional DCM result in sparks and noise, and may reduce working life of the motor, therefore, the research for brushless direct current motor (BLDCM) becomes hot. When the motor running, the...

The paper aims to study a design and practice of sports injuries network consultation. According to sports injuries study and theory, combine Internet technology and module theory designed sports injuries network consultation system. This paper makes explanation on design ideas, technology crucial module...

This paper takes Sanzhao Depression in Songliao Basin as the research target, Fuyu oil layer in Sanzhao Depression is an important petroleum exploration field, it is in the 4th member of Quantou formation, Lower Cretaceous. The target layer in research area is mainly a set of shallow-water delta deposition....

Wumeng mountainous area is one of the 14 centralized and contiguous poverty areas in China. It covers two Chinese key ecological functional areas, including the forest and biodiversity ecological function area in Sichuan and Yunnan and the karst rocky desertification controlling ecological function area...

The rapid rise of the tertiary industry, especially in the information services industry, is gradually becoming the leading industry. The continuous improvement of the status of the internet, the convenience of the Internet and the arrival of information on the economic development of countries have...

China's agricultural information service work cannot fully meet the needs of farmers, and need to explore more effective information services. This paper reviews the construction achievements and research achievements of China's agricultural information service platform by literature analysis, and obtains...

As the continuous development of social economy, a large number of gas insulated switchgear (GIS) has been put into use for its advantages. In order to prevent disconnector faults during the process of substation switching operation, it’s important to measure the bus-transfer current to monitor the running...

Controlled degradation of poly-hydroxybutyrate (PHB) can be obtained by alcoholysis with two types of alcohol in the presence of p-toluenesulfonic acid as catalyst. PHB oligomers terminated with free hydroxyl groups were prepared in this way and characterized using NMR, DSC and TG analyses. The degradation...

The heat transfer and turbulent flow inside U-tubes in steam generator (SG) are studied. A flow model based on one-dimensional Oberbeck-Boussinesq equation is proposed and improved to analyze the phenomenon of reverse flow. The relationship between the mass flow velocity and pressure drop is established,...

At present, Real-time digital simulation of substation play an important role in analysing the characteristic of the substation, testing relay protection equipment, and building substation training simulation system. In order to create a high degree of similarity with the actual substation, this paper...

This paper focuses on studying and analysing the Pilot Pioneer drive testing system’s the pilot pollution problem, designing and putting forward quantitative analysis and the algorithm with absolute difference on the process of diagnostic analysis, It can effectively locate the pilot pollution area by...