Advances in Engineering Research

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...

The paper presents a three-dimensional numerical model developed by the authors, which describes the change over time of thermodynamic and microphysical characteristics of the atmosphere in the computational domain, the distribution of impurities on a local scale (up to 50 km) from various sources, taking...

This design uses a PLC-based control scheme and uses industrial Ethernet, modbus fieldbus, and distributed control hybrid networking techniques to complete the desalination master control system design.

With the progress of human society and the continuous development of science and technology, the research of computer vision in China has made continuous progress and achieved certain achievements. The image target feature extraction technology is a better performance in this field, which can extract...

The article describes the structure of technologies for increasing the strength of the cutting part of the saw. The article also presents the results of analysis of existing technologies (metallization and surfacing, welding, doping methods), allowing one to obtain a composite with specified characteristics....

The development of economic society drives the continuous improvement of electronic technique. Policy and technological level of electronic circuit is gradually improved. During practical operation process, in order to guarantee the high efficiency, it needs to do good emulation technique of electronic...

The development of electric vehicles can effectively solve the three problems of greenhouse gas emission, energy consumption and exhaust emission in the transport sector. The introduction of electric vehicles will bring a series of troubles about stability, safety and economic operation to the power...

This paper studies the basic structure and principles of adaptive noise filter proposed for the lightning current filtered LMS algorithm signal interference with the traditional difference is fixed filter. Development of adaptive filtering technology and the rapid development of VLSI technology for noise...

Let R= Fp [u,v]/, where u2=1, v3=v and p are odd primes. In this paper, we study (1-2v2)-constacyclic codes over R. Firstly, a new Gray map from Rn to (Fp+uFp)2n is given. Then we investigate some properties of (1-2v2)-constacyclic codes over R. Finally, we present an example of (1-2v2)-constacyclic...

A cellular element method turns the global analysis of the finite element method into a series of partial analyses. The final overall balance is achieved through the partial unbalanced transfer of force. The requirement for computer memory is extremely low and parallel algorithms are easy to implement....

The prediction of customer churn is an important research direction of customer churn management. In this paper, take the non-contract scenario of online shopping customers as an example, select transaction data of a domestic e-commerce website for empirical research. On the basis of the single model-BP...

The strength of reinforced concrete can be planned in various ways, either doing manual calculations, compressive strength testing, or testing using applications. Therefore, an accurate result approach can be obtained, one of which is by using the Response-2000 application program. This research aims...

The impact of high rainfall and uncontrolled traffic loads, it is necessary to conduct research on the use of concrete waste materials as a substitute for coarse aggregates in order to reduce the limitations of natural aggregates and wetfix-be additives with the aim of increasing performance, strength,...

Building construction is one of the most complex construction hence construction delay is always happened. Substructure work is the first stage of building construction work. If a delay occurs in the substructure work stage, it will cause a snowball effect which can cause all of the building construction...

The advancement of robot technology in mobile robots is quickly evolving and being utilized in various sectors such as industries, military, medicine, and public services. Challenges consist of perception, localization, motion control, and path planning. The aim of Dijkstra’s algorithm, which is a greedy...

The floating wave energy power generation platform has emerged as a focal point of research in the offshore power generation sector, garnering increasing attention from scholars and researchers in the field. Due to the complex marine environment in which the floating wave energy power generation platform...

In free vibration experiments on simply supported reinforced concrete beams, acceleration response signals were measured. By integrating time-frequency analysis methods with information entropy theory, the auto-power spectrum entropy was constructed to analyze these signals. This approach revealed the...

The prevalence of cholesterol in Indonesia is 66.41%. Central Java is among the five provinces with the highest levels of consumption of fatty, cholesterol, and fried foods, at 60.3%. The purpose of this study was to determine the effect of an extract of red shoot leaves (Syzyginium myrtifolium Walp)...

We build up network operations for constructing large scale of dynamic networks from the known network models having high quality and good topological property. In this paper, we defined triangle-expanding operation and triangle-contracting operation, as well as construct the new random AS-mixed network...

Transmission line icing is a serious threat to the security of power system. Risk evaluation for icing is the foundation of building ice disaster defense system and ensuring the safety of power system. In this paper, the index system of transmission line icing risk assessment was developed in consideration...

Beam pumping unit is the most important ground equipment of the sucker rod pumping system. According to the geometric relations and motion relations of the pumping four-bar linkage, the polished rod motion law is obtained. Based on the torque balance, the dynamic equations of each part for the beam pumping...

In traditional structure, wind turbine pitch control system generally consists of two modules, the logic control unit responsible for the control logic and the servo drive unit responsible for the motor driven. In order to adapt to the integration of the system architecture and simplify complex layout...

As for the optimization of EMU second-grade maintenance plan, the author has made a model out of the target function which is the minimization of total mileage wasted within scheduled duration and managed to get solutions out of simulate anneal arithmetic. Finally, taking the Beijing-Tianjin inter-city...

With the aim of reducing thermal hazards of polystyrene (PS), the traditional nitrogen-phosphorus intumescent flame retardant ammonium polyphosphate (APP)/dipentaerythritol (DPER) was improved. Three kinds of intumescent flame retardant were made which are melamine formaldehyde resin coated APP (MFAPP)/melamine...

The Fukushima accident pushed nuclear energy into dark criticism. Five years after, Japan is still faltering in its response to phase out nuclear. Global generating electricity from nuclear has decreased. Unfortunately, capital costs for renewables continue to fall, but costs of nuclear power keep rising....

Surface microseismic monitoring of hydraulic fracturing is now becoming more and more popular in the production of unconventional hydrocarbons. The frequency analysis of surface detected microseismic event and comparison with perforation event and downhole recorded event may lead to deeper understanding...

The switching equipment on traditional networks have limited capabilities and the exchange of the switching equipment is often associated with long time frame and high development cost. SDN deployment controller under the flow table rules also exists to handle message delay. In this paper, we propose...

Orebodies in shear often fail catastrophically. In this paper, the failure process of pillar in shear was studied numerically by the self-developed 2D Rock Failure Process Analysis code (abbreviated as RFPA2D). This work is focused on the appropriate pillar size for safe and economic extraction from...

By exploring aesthetics in human-computer interface applications, thus summed up, how to improve computer interactive interface to enhance the beauty of the user when the efficient use of human-computer interaction and the use of feelings.

Apparel products’ R&D was complicated system engineering and there were some problems in the R&D and production process, such as time constraints, poor coordination between departments, numerous miscellaneous details, and prominent contradictions in remote management and so on. So how to improve the...

The geophysical prospecting, hydro-geological survey and a geological drilled borehole with the depth of 200 meters are used to ascertain the aquifer structure, hydro-geological conditions and preliminary hydro-geological parameters in an industrial plant project of East Africa. The magneto-telluric...

This paper analyzed the content, pollution level, pollution source and input of cyanide in Jiaozhou Bay 1983. Results showed that cyanide contents in surface waters were 0.02-0.46 g L-1, which were much lower than the guide line of cyanide in Grade I (5.00 g L-1) of National Sea Water Quality Standard...

With Shaanxi Ziziphus jujuba var. goutouzao as an experimental material, soxhlet extraction and ultrasonic extraction were adopted to extract flavonoids in Ziziphus jujuba var. goutouzao, and qualitative detection of flavonoids in extracting solution was scanned through color reaction and ultraviolet...

25 groups of GAC-20 modified asphalt mixture are designed by referencing the orthogonal design method, the high temperature rutting test are carried out , the related model of the fractal dimension and the high temperature performance evaluation index dynamic stability is established by using fractal...

In this paper, a shipbuilding gantry crane serviced for up to 18 years is studied; the strain-measuring method is used for testing and analyzing the response of the structure and the load about the main force component-cylindrical structural. By arranging the measuring point 90 ø to each other on the...

Combined with CRM theory, considering that there is a lack of standardization in the evaluation of funeral service in all walks of life at present, establish a standard process of funeral and burial, and verify the relationship between the two.

Kenitic of thermal degradation of PPS were studied undernitrogen, oxygen and airin formal works. The integral Coats-Redfern method based on single heating rate is employed for the kinetic analysis of the pyrolysis processunder different oxygen concentrations. The results indicated that only one stage...

Objective: To analyze the medication rule of compound prescription containing Saposhnikovia divaricata for external treatment, and to provide reference for guiding clinical medication and research and development of new prescriptions. Method: Taking the periodical literature collected by CNKI as the...

As the last link of logistics distribution, "the last kilometer" plays an important role in ensuring the timely and safe delivery of express delivery and improving customer satisfaction. According to the questionnaire survey data, the existence of express industry in "Last Mile" distribution situation...

The electric demulsification of oil-in-water (O/W) emulsion was investigated under the application of direct current pulsed electric field (DCPEF). The oil droplet movement behavior was observed by CCD camera and image acquisition and analysis system. And it was found that the DCPEF had an effect on...

Tea waste was briquetted at ambient temperature for 5 minutes under barometric pressure. The total moisture, ash content, volatiles content, fixed carbon content, sulfur content and high calorific value of the briquettes were investigated. The tea waste briquettes had a high calorific value of 11.23...

As the technology scales into deep submicron regime, accurate estimate of interconnect parasitics has become one of important factors on path delay calculation. Design Compiler Topographical technology leverages the Synopsys physical implementation solution to derive the "virtual layout" of the design,...

We used the CASTEP program to build seven configurations of cubic CsSnI3 with cation vacancy at the A or B sites. The physical properties including geometric structure, electronic structure, states density and optical absorption properties has been calculated successfully by the generalized gradient...

In order to make a reasonable use of durability and design life, the mechanical components are optimized in many aspects. From the practical point of view, the parametric modelling of the torsion shaft was carried out with Solidworks, and the model was transferred to the ANSYS Workbench through the data...

In this paper, global exponential stabilization of bidirectional associative memory (BAM) neural networks with time delays is investigated. Based on the Lyapunov stability theory, we present several sufficient conditions for the global exponential stability of the equilibrium point of the BAM neural...

To date, human error in the world of flight is more associated to flight personnel, both aircrew and ground crew. However, in recent years, aircraft passengers could also be the cause of the plane crash or accident. There are various motives, such as dangerous actions taken by passengers, that might...

For sandy slope, size of rock fall, groundwater level and type of site are all important factors which have significant influences on the movement characteristics of rock falls. To obtain the importance of each factor, orthogonal analysis was studied and shaking table test was drawn up. In the tests,...

Airplanes can fly because of the slightly curved shape of the plane’s wings called the airfoil. Airfoil is still used by aircraft today but continues to be designed to get maximum results. The research method used is a simulation analysis method on the NACA 0012 test object with ANSYS-CFD software which...

With the development of new energy sources, hydrogen-fueled internal combustion engine airplanes have become a key direction for development in the field of aviation because of their high efficiency, environmental protection and other advantages. At the same time, hydrogen-fueled airplanes involve safety...

Portland Cement (PC), as the primary construction materials, is a significant contributor to global warming. Thus, it is important to find alternative materials that are more environmentally friendly than PC. One alternative is to utilize fly ash and rice husk ash. This paper presents the effect of rice...

This review summarizes the effects of polymer-modified interfacial agents on the bonding performance between new and old concrete layers. It discusses the advantages and disadvantages of various polymers used in interfacial agents from a materials perspective and elucidates the mechanisms by which polymers...

Sulangai Village boasts uniqueness as an ecotourism destination, offering a range of tourism potentials, including Goa Gong Waterfall, kele-lele honey cultivation, cooking classes at Puhu Camp, and agro-tourism. Sulangai Village is also designated as a Social Barn of Disaster Response Village and Environmental...

The magnetic control tunable characteristics of localized modes of One-dimensional Cantor quasicrystal structure containing nanoparticle magnetic fluid is studied by using the transfer matrix method. First, the physical model of One-dimensional Cantor quasicrystal structure containing nanoparticle magnetic...

This paper addresses to a variation (modification) of a symmetric block encryption-decryption algorithm based on nonpositional polynomial notations (NPNs). The proposed encryption model includes two stages. The first stage is that a plaintext is split into bit blocks of a given length. Each plaintext...

The multibeam system was the integration of acoustic sounding, computers processing, satellite positioning, digital sensors and other technology equipment, had played an important role in the depth measurement. This paper discussed the differences in data density, the precision of the horizontal resolution,...

The high precision land cover classification products has a very important significance for the study of quanti-tative remote sensing and remote sensing applications. Now there has a lot of free and global coverage land classification products, which is mostly developed by foreign research institutions...

Modern industrial civilization and material progress of life push traditional crafts and cultural heritage into an awkward, difficult situation. To solve this problem, we make use of digital art, combined with three-dimensional rendering engine, database and virtual reality technology in Unity platform,...

This article discusses the issues of the art and innovation of the products from it's artistic form of " artistic mood". It has been showed that "artistic beauty" appears not only in the literature, but in the design of architecture, garden and products, also, the expression of the "artistic mood" plays...

Abundant soluble magnesium salts with low impurity were produced as by-product in some industries of Qinghai. These soluble magnesium salts were exploited more easily than some solid minerals, such as magnesites, dolomite minerals, which could accord with the standards of electrolytic process for preparing...

Grain growth has significant effect on the material's microstructure and properties. In this thesis, the grain growth processes under the conditions of the second-phase particles (SPP) with different geometric orientations are studied by means of the phase-field method. The main results are as follows:...

Membrane bioreactor (MBR) technology is composed of membrane separation and biological disposal processes, which is a new wastewater treatment technique with high efficiency. It has been widely applied in municipal and industrial wastewater treatment due to the unique advantages of high-quality effluent,...

Molybdenum doped vanadium oxide (Mo doped V2O5) xerogel films are prepared by cathodic electrodeposition on indium tin oxide substrate from Mo doped V2O5 sol. As an anodic and cathodic coloration electrochromic material, the electrodeposited Mo doped V2O5 film presents multi-electrochromic behavior (orange–yellow–green–blue)...

The research actuality and development of parallel manipulators are talked over in this paper. A parallel robot driven by double sliders linear motor has been presented. The kinematics and singularities of the 2 degrees of freedom (DoFs) parallel mechanism of the robot are analyzed. On the basis of that,...

Viscoelastic properties is an important indicator to characterize the mechanical properties of materials, due to join a large number of crumb rubber makes viscoelastic properties of rubber asphalt are very different from other types of asphalt. In this paper, through theoretical analysis and Laplace...

TDI based Thermoplastic polyurethane/graphene nanoplatelets(TPU/GNs) thermal conductive composite was in situ synthesised at room temperature, using polytetramethylene glycol(PEMG) as soft segment,4-Methyl-m-phenylene diisocyanate (TDI) as hard segment, 1,4-butanediol (BDO) as chain-extending agents,...

The arrival and departure time sampling of the flight is one of the key information for parking Bays monitoring to avoid conflict. Nowadays the time is reported and recorded by hand in many airports, which fault and delay reports may happen and safety risks and lower efficiency cannot be neglected. This...

To realize the application of reciprocating electrical sparkle wire cutting technology and to solve the technical problems of sculptured surface machining, one new kind of NC rotary swing workbench has been studied based on computer aided technology. The advantages can be concluded as high precision...

Since the birth of garment computer aided design, production efficiency and product quality garment processing has been greatly improved and faster. Its principle is the human body consists of a simulation model, the use of a switching supply tool costume design environment. Such fashion design is no...