Advances in Engineering Research

In this paper, a 2D numerical simulation model was developed in FLUENT base on a new type thermal energy storage equipment. The results showed that the form of vertical pipes with nozzle holes can create fluid channels and a large number of vortices quickly, which improve the heat charging power, present...

A novel compact asymmetrical coplanar waveguide (ACPW)-fed ultra-wideband (UWB) bandpass filter is proposed in this paper, and the application of multriresolution time-domain (MRTD) formulation technique to the modeling of UWB ACPW filter is facilitated. The numerical and measured results demonstrate...

The approach to determine the coefficient of thermal expansion (CTE) of road concrete using optical lever system was introduced. CTE of 144 concrete specimens was determined with it. The coarse aggregate in these specimens contains 8 kinds of stones from 19 origins. Measured data was satisfactory verified...

Accounting English as an international business language, its importance is increasingly apparent, because in terms of vocabulary its characteristics is particularly unique, so in order to facilitate memory and use specialized vocabulary designed accounting English specialized vocabulary management system...

In order to obtain accurate results of volatile fatty acids (VFAs) in rumen fluid by capillary gas chromatography (GC), a pretreatment method was firstly conducted by dissolving VFAs in the methanol. An internal standard method (ISM) with crotonic acid as the internal standard was adopted in the detection....

In order to discuss the melatonin (MT) on the growth and cadmium (Cd) accumulation in vegetables, broadbean (Vicia faba) seeds were soaked in five doses (0, 50, 100, 150 and 200 µmol/L) of MT and then planted in pots containing Cd-contaminated soil. Different doses of MT increased the biomasses of broadbean...

Monosodium glutamate wastewater (MSGW) is a nutrient cultivation medium for microorganism cultivation because it contains abundant nutrient. The research focused on the cultivation of B. subtilis 168 with MSGW to produce poly (γ-glutamic acid). The optimal cultivation conditions for the production of...

Shot peening is widely used in forming panels and sheaths. Due to a shot peen impact on a processed surface, a specific microgeometry is formed, a characteristic feature of this microgeometry is the numerous traces of shot (in shape of the dimples) with different diameters and depths. A presence of these...

The paper describes methods for setpoints setting of digital protections (terminals) in traction DC networks. A technique for their improvement and protection settings in a complete scheme is proposed. Besides, the main technical characteristics of digital protection and automation devices are listed....

Through the saddle intersection curve analysis, the mathematic model of the saddle-shaped space trajectory was established by matrix equation and interpolation method. For the special saddle-shaped welds of T-joints the automatic welding device is designed for automatic welding of jacketed T-joints,...

Image classification is based on the different characteristics of the image information to distinguish the images into different categories. It makes quantitative analysis of the image, interpreting the image or the image of each pixel region into a plurality of categories or in one, to replace the human...

Invisible diseases inside human's body even will lead the end of life. Hence, scientists put forward many computer-aided methods to detect the abnormalities in the body, which are proved to be beneficial for both doctors and patients. Nevertheless, how to select an accurate and convenient approach is...

In recent years, the most popular method for sound event classification can be classified into two types: 1) Extract MFCC or PLP, then train classifier for classification; 2) Convert sound into spectrogram, then use the method of image classification. However, the two methods have not achieved satisfied...

Cloud computing will not only make profound changes of digital library occur in the aspects of software environment, hardware storage, application platform and service pattern, but also leave information resources faced with a lot of security issues. Cloud computing will greatly improve the service patterns...

Spare parts optimization which means finding the number of spare parts to achieve the target reliability value provided that the minimum cost and other system reliability conditions are satisfied is of crucial importance in industry. In the paper, the mathematic model for spare parts optimization is...

SF roof (a sloping roof combined with a flat roof) is a special kind of roof existed in the west China. Based on Energy Plus software simulation, this paper investigated such roofs as well as normal flat roofs and sloping roofs of rural houses in the Ningqiang county of west China. It was found that,...

Inquiry learning is a model that facilitates the construction of students’ scientific knowledge, which can also improve students’ mental models. By considering the student learning process, the guided inquiry learning was chosen. The purpose of this study was to determine whether the use of the guided...

In today’s electronic circuits, there’s a strong emphasis on crafting designs that are both high-speed and low-power to meet the diverse needs of applications. Comparators play a vital for converting analog signals into digital ones, are highly sought after for their ability to operate quickly and consume...

Personal safety is concerned to be as a crucial part for the industrial workers while working in an industrial environment. Industries provide personal protective equipment to their workers to ensure their safety, similarly the workers are also meant to wear and follow all the regulations regarding the...

Organics have an important impact on the water-holding capacity of clay, but the law and mechanism of this impact have not been studied systematically. In this paper, samples with different contents of organic matter were prepared by taking bentonite as a matrix and adding peat, and soil-water property...

The microstructure and mechanical properties of 0Cr21Ni6Mn9N austenitic stainless steel cold drawn pipe were investigated at various annealing temperatures. It was found that the tensile strength and the yield strength increased slightly, and then decreased with the temperature increasing from 200 to...

In order to understand how traffic information influences travel route choice. State Preference survey is carried out to investigate travelers' behavior data. Mixed logit models are established to analyze the factors influencing travel route choice, one for overall object model and the other for typical...

According to characteristic of Lost Foam Casting (LFC) processes and considering the metal flow pattern decomposition gas pressure impediment, interface elapse model is established base on gap pressure as boundary of front of melt flow. Corresponding numerical solution method is applied to simulate filling...

Based on machine vision image feature extraction, the main content extraction edge detection chamber features, based on the analysis of the basic theory and methods of edge detection, edge detection algorithm for several commonly used Sobel, Log and Canny, on which the algorithm is simulated by use of...

As more and more passengers choose urban rail transit as their travel mode, many subway stations cannot satisfy the operation demand now because of the increasing passenger volume. In the peak hours, passenger crowding problem is serious in some subway station. This paper considers the practical conditions...

The rolling machine has been widely used in agricultural facilities,For the pre-push rolling machine has about two-metre-wide blanket below the reduction gear can not be automatic rolled up and down problems, Designed a seamless device which can automatic roll up and down the intermediate blanket .The...

Based on the operation data and basic parameters of spacecraft, soft landing process is done reasonable simplification equivalent. Without losing the accuracy, this paper proposes the control scheme at obstacle avoidance stage. The landing preparation track is accord with the energy conservation and...

This research project will attempt to combine the quick establishment and soil reinforcing properties of sod with the long-term benefits of using native plants. It builds on research by Dollhopf and other scientists in the Land Resources and Environmental Services Department and the Plant Sciences and...

Some residential areas and factories are located downstream the tailings pond. Once the tailings dam collapsed, the consequence will be very serious, so perfect prevention and emergency preparedness work is critical. And the prediction of tailings dam collapse affecting consequence is an important basis...

Emission intensity of the main pollutants could indicate the relationship between economic development and environmental load in certain regions. We collected emission data of 6 main pollutants for different provinces in 2012, including chemical oxygen demand (COD), ammonia nitrogen, sulfur dioxide,...

South Lake, the second largest lake in Wuhan, has been polluted seriously in recent years. Unfortunately, specific reasons for the pollution phenomenon impose an insurmountable hurdle. To address this challenge, we used the fault tree theory as a effective tool to conduct comprehensive analysis of the...

With the development of 3D modeling technology, the number of 3D models has been increasing and people have been paid more and more attention to the 3D model retrieval technology. This paper presents a CAD semantic model retrieval method based on design intent, which is based on the design intention...

Aiming at the problem that the converter gas steam recovery and average recovery rate is less than forty percent in some steel factory, this research optimized recycle-using system of steel plant’s converter gas by applying neural-network adaptive predictive control and fuzzy control. The simulation...

Since multiphase machines have more additional degree of freedom than three-phase machine, which can be utilized to control other machines, a number of machines can be controlled independently. The stator windings of the machines can be series connected by an appropriate phase transposition, with the...

Joint Warfare Material Support Simulation System (JWMSSS), which is a large-scale hybrid complex system, will produce a great deal of data in its running process. These data are of various types and have complex structures which make the collection of simulation data quite difficult. According to the...

In order to meet the requirements of the new radar conditioning training, the development of a certain type of radar simulation training device is mainly to replace the radar's actual installation operation process with simulation operations, and to improve the students' operating ability. This simulator...

At present, the economic development of countries is relatively rapid. Various data play a very important role in the daily operation of the company. The rapid development of the economy has brought us into the era of big data. The arrival of the era of big data has brought tremendous impact to the operation...

The effects of melatonin (MT) treated the previous stubble radish seedlings on the growth of following stubble lettuce seedlings under salt stress were studied by pot experiment. The results showed that MT increased the biomass, root volume, root length, plant height, chlorophyll content and carotenoid...

The traditional four-probe method to extract the response signal of the micro-resistance under test can improve the accuracy of the lead resistance and the contact resistance on the measurement result, but not effectively eliminate the internal noise of the operational amplifier and the external electromagnetic...

Diabetes Mellitus (DM) is a frightening type of disease because DM causes complications for the patients if it is not treated quickly. From year to year DM in Indonesia undergone a significant increase and was ranked 6th in the world. In this study, a fuzzy logic system was created for the early diagnosis...

Currently, the national ceramic industry has developed products based on culture and the creative economy. This product is increasingly in demand by local and foreign consumers. Design development is carried out to face competition in the ASEAN Economic Community (AEC) so that there is no decrease in...

One of the efforts applied to green building is the concept of vertical garden, where plantation crops which are usually planted on the ground are now planted on the walls of buildings that apply the green building concept. The existence of a vertical garden in the building is considered quite beneficial...

This study aims to increase the economic value of silica sand originating from mud volcano of the Lapindo well burst which until now is known as a natural disaster and caused a lot of material loss by the people of Porong Sidoarjo. In addition, the replacement of the percentage of cement composition...

The accuracy of variant calling in next-generation sequencing (NGS) is critical for genomic research and clinical applications. Traditional variant callers, using diverse methodologies such as haplotype- based, position-based, and pattern growth approaches, often produce discordant results due to their...

In this work a new adaptive Gaussian notch filter (AGNF) with curvelet transform is proposed for removing noises from Magnetic Resonance Images. MRI images corrupted by periodic noises which are occurred because of interferences during image capturing. In general, the interferences occur due to electric...

With the rapid advancement of construction industrialization, prefabricated buildings have become a crucial development direction due to their advantages in efficiency, environmental protection, and energy conservation. However, in practical construction, numerous technical issues such as insufficient...

A good quality of soap must be able to prevent the spread of pathogenic bacteria on the skin; therefore, it is necessary to add anti-bacterial ingredients such as lemongrass essential oil and tannins. The aim of this study is to produce liquid soap from castor oil and VCO with the addition of lemongrass...

Automatic gain control circuits (AGC) are important control circuits in communication, broadcasting and radar systems. In this paper, through theoretical analysis, simulation and circuit debugging, an automatic gain adjustment amplifier circuit whose output is stabilized at a specified voltage value...

It is important for every voyager to pay attention to the wind and currents when docking at the harbor. One way to overcome this is to read books on tidal stream tables, wind direction indicators, and wind speed indicators. The aim of this research is to find out how to prevent dangers that can occur...

This research project is based on the first phase of the toll road project from Solo to Kertosono in Indonesia, combined with a series of problems encountered during the construction process of the high-fill roadbed engineering in swampy soil. In response to key technologies during the construction process,...

The low pressure of ZnO varistor ceramics were prepared with 99.5 mol % ZnO +0.5 mol % CaCO3. Subse-quently, placed in a constant temperature conditions of 1420 for 10 h, and cooking in boiling water long enough. The microstructure of the particle size analyzed by optical microscope, the doped ZnO varistors...

It is a difficult task to make machine understanding video and describe it in natural language. In the reality, videos are much longer than these video clips in research experiments, each video contains multi parts of semantic. It is a challenge work to describe a long video, it requires to control the...

In this paper, a capacitive load double-ridge waveguide evanescent mode low-pass filteris is presented. Combining electromagnetic simulation software to design ,the test results are: The filter return loss-0.6dB, out-band suppression 40dBc at 5.5GHz and 20dBc at 13GHz to 26 GHz, parasitic passband appears...

PLC technology and touch screen technology is combined together in order to design a marine boiler control system which realizes the remote visual control.Using PLC and EM235 module realizes analog signal control in order and make the control process stable and feasible. The automatic control module...

Internet finance is an organic combination of Internet and finance. At the same time, it also has serious information security risk, which brings great challenges to the development of Internet finance. It is imminent to build an information security system that meets the requirements of Internet finance....

In order to study the law of the destruction of stope collapse of unstable rock and ore filling body underground metal mine. Based on 3DEC discrete element program for the operating platform, taking a collapsed mine ore zone as the project background, and combined experiment of indoor physical mechanics,...

We report a simple and effective route to fabricate ultrathin curved In2S3 nanoflakes-functionalized natural cotton cellulose nanofibers by combining electrospinning and hydrothermal growth technique. Cotton cellulose nanofibers(CCNFs) were obtained by electrospinning technique. Curved and interconnected...

Besides the field acquisition of magnetotelluric is nearly 3D exploration level, the 3D data process and inversion have shortcomings. But our 3D inversion system has effectively resolved the problems of static shift and inversion efficiency. The system contains static shift correction, initial model...

In order to further study the process of flue gas desulfurization by citrate process, A numerical model for the removal of SO2 from packed absorption tower is established by using chemical process simulation software Aspen Plus, The influence of operation parameters on desulfurization efficiency was...

In this paper, a Connected Component-based Stroke Width Transform algorithm (CCSWT) is proposed, and it is combined with sparse representation and conditional random field (CRF) algorithm to locate texts in color images. Firstly, a color quantization algorithm is carried out to convert a color image...

The research paper is going to discuss about the development of the city gas supply system and the natural gas market in China and find out how does the development of city gas supply system and natural gas market can influence the environment of China. Nowadays, China is concerning the environmental...

Due to imperfect water entry, a high speed supercavitating vehicle, while moving in the forward direction, rotatesinside the cavity. This rotation leads to a series of impacts between the vehicle body and the cavity wall. The impacts affect the trajectory as well as the stability of motion of the vehicle....

The fatigue properties and S-N curves of the 3mm thickness SUS301L-MT and 5mm thickness SUS304 stainless steel sheet lap fillet welded joints made by plasma arc welding, plasma-MIG hybrid welding as well as resistance spot welding are investigated respectively based on the results of fatigue tests. The...

Since the 1990s,information based on image, video and audio frequency become popular trends during daily information exchange. Information identification about images and videos which based on the Optical Character Recognition(OCR)have become more and more popular in various enterprise. Compared with...

The aim of this work is to study the possibilities of structural-phase transformations of carbon-containing raw materials by mechanical activation and plastic deformation on dispersion strengthening and modification of aluminium composites. We studied the processes of structure formation of ligatures...

DAS (Drainage Basin) Air Dingin located in Koto Tangah Padang City. DAS Air Dingin come from some small river in upstream. Meeting from some small river reside in the area of Lubuk Minturun. DAS Air Dingin own the height until 1.800 m above water sea level and have the rain pattern which high relative....

The research of possible types of phase diagrams in liquid crystals with discotic mesogens and "graphene molecules" was carried out within the framework of the Landau theory of phase transitions. The possible types of ordering of mesogens in such systems are considered

With the transformation of power network in recent years, the metering function of electric energy meters plays an important role in electric power work. Due to the defects of the electric energy meter and the external uncertainties, measurement error is easy to cause when measured. In addition, a certain...

To make effective use of high-quality radial velocity measured by Doppler radar and improve the positioning accuracy of target trajectory, a combined positioning method with single Doppler radar and single optical theodolite is proposed which is based on target trajectory expressed by function, called...

Oil price is crucial to understanding economic fluctuations in Japan. In this paper, we decompose the time series of oil price in the period from January 1971 to December 2012 into a long-term tendency (also called trend) and short-term variation, which is expressed by an autoregressive model. The correspondence...

Ferris wheel structure with 36m diameter and 40 m tall is analyzed with Finite Element method by using ABAQUS software in different work conditions. The finite element analysis model of Ferris wheel supporting frame is established, and the force state of the ferrule supporting frame is analyzed. The...

At present, with the growth of private cars and autos ownership, the traffic flow has soared and become a burden for the development of Canton mega-city in China. The sky-rocket number of autos, especially those private ones, has made traffic congestion and car accidents a significant problem Although...

Patients with infection in the central nervous system can deteriorate rapidly, so an empirical approach needs to be performed promptly with relevant supporting data that can be produced as early as possible. Decision-making in such cases can use scoring systems such as Thwaites diagnostic score. However,...

Liquefaction is a phenomenon that occurred when soil loses its shear strength due to an earthquake. In general, liquefaction happens during a large magnitude earthquake on soil with loose to very loose sand consistency and high ground water level. Palangpang Bridge is in Ciwaru area, Sukabumi Regency,...

In order to study the technical issues of traffic safety early warning on roads with poor sight distance, we first collect the sounds of vehicles running on the road, select representative vehicle sounds as recognition objects, pre-emphasize the vehicle sound signals, add windows into frames, and calculate...

In order to monitor the scenic spot and transmit the collected data to the users, established the integrated sensing system based on the embedded Linux . Used the sensors to collect the different data and pictures and then they were transmitted by the wired and wireless mode. Set up the small Web server...

After defined the basic concept of mode or intrinsic mode, EMD as a data-driven adaptive decomposition method, its purpose is to decompose arbitrary non-stationary and nonlinear signal into different intrinsic mode functions (IMFs) on the time series. However, in some cases, the EMD method often cannot...

Long span suspension bridge has a long period of vibration, which is very sensitive to long period ground motion, so it is very important to analyze the seismic response under the long period ground motion. Taking a super long span suspension bridge as the research object, three-dimensional finite element...

Based on classical technology diffusion model, the diffusion model of low-carbon cities in Guizhou province is constructed, and the time path function of the technology diffusion of low carbon cities is deduced. the graphics is S-shaped curve. The results show that because of the differences of internal...

The construction of green mine represents the development and utilization level of mineral resources and the sustainable development potential. In view of the characteristics of the large index system and complex evaluation process of green mining, a kind of BP neural network algorithm based on quantum...

With the development of mobile internet, mobile banking have been gaining a meaningful development and success. A lot of consumers use mobile banking to deal with banking affairs. Because that improves their performances startling. Based on Technology Acceptance Model (TAM), the author collected a sample...

Soil moisture and nutrients are different under different water and fertilizer conditions, which will affect crop growth and yield. In this study, water consumption, growth index, yield under different treatments were measured and analyzed in order to investigate the effect of coupling of water and fertilizer...

As urbanization continues to accelerate the development, construction projects are gradually increasing, and geotechnical engineering technology is constantly attention. Because the technology is directly related to geotechnical engineering building high-speed rail, bridges, tunnels and other projects,...

Mn-Fe binary oxide adsorbents are prepared by co-precipitation method for removal of arsenic from contaminated drinking water. Arsenic adsorption ability is influenced by pH of reaction solution and Mn/Fe mole ratio. Adsorbent M/F4/6-12 with amorphous phase shows higher arsenic removal of 99.9 %. The...

In this paper, a theoretical algorithm using united Lagrangian-Eulerian method was presented to study the fluid-structure interaction (FSI) problems. This method was used to solve the large deformation of the elastic plate in a continuous cross-flow of ideal fluid. In this approach, material was described...

In this paper,the guaranteed cost control problem for uncertain discrete-time output probability density functions(PDFs) with both state and input delay is investigated .A novel linear matrix inquality (LMI)-based approach with model transformation is developed ,so that the closed-loop system is asyptotially...

In order to publish access capacity, warnings and loads in distribution network regularly, the article presents a method to evaluate access capacity based on marketing – distribution - dispatching information fusion system. After extracting the relevant data from marketing – distribution - dispatching...

Radar signals receiver is the important signals processor of a missile, it is important for the missile to transform and process the missile's signals. In order to assure the stability of the radar signals receiver, a kind of automatic test system for a missile radar signals receiver based on PC104 is...

The appeal information of patients is very important, and each piece of information is related to a living life. Calling system becomes a bridge between the doctor and the patient. Compared with the traditional wired calling equipment, the wireless transmission system design and implementation will save...

When the -Re_ transition model is used to calculate the aerodynamic performance of the wind turbine airfoils, the SIMPLE algorithm is usually applied to solve the equation of speed and pressure for airfoil surface. Consequently the precision of the results by using SIMPLE algorithm is comparatively low....

Taking township as basic unit, the discharge amount and rate of pollution contribution of TN, TP, NH3-N and COD have been researched with the export coefficient model and equal-standard pollution load method. The types of agricultural non-point sources include agricultural plant, rural life and scattered...

This paper presents a study on improvement of the finite element model of corrugated cardboards. There is one shortcoming in modeling the stiffness of such cardboards in literature: neglect of the material non-linear effect of cardboards and cannot predict the peak load. A finite element method was applied...

Learning will be effective, if learning activities can achieve goals, that is, students can absorb the learning material and practice it so that they obtain the best competencies and skills. Mathematics is one of the sciences that is able to hone skills and teach students to think critically. Mathematics...

Children with autism often face behavioral challenges, including tantrum behaviors caused by difficulties in communicating their needs or desires. Tantrums are excessive emotional reactions resulting from the inability to control and communicate feelings. Therefore, an Artificial Intelligence (AI)-based...

Renewing the public space of child-friendly communities is not only the foundation and premise of the construction of child-friendly communities, but also an opportunity to develop community systems and services for children, and an important measure to promote children’s development and the realization...

Against the backdrop of urban stock renewal and the continuous expansion of vocational education demands, the renovation and expansion of existing vocational colleges have become a new research direction. There are two key issues in the process of vocational college renovation and expansion that need...

Aerodynamic testing in wind tunnels requires accurate and reliable systems for measuring drag and lift forces. This study aims to design and develop an Arduino-based instrument capable of measuring aerodynamic forces in real time with high precision. The system utilizes load cells as the primary sensors...

Climatic comfort is a crucial concern in architecture globally, particularly as energy consumption for maintaining comfort presents significant environmental and sustainability challenges. This issue is especially pronounced in the rapidly expanding hospitality sector, where existing hotels impose a...

With the rapid development of social economy, Science and technology level are increasingly improving, especially accelerated pace of life, People demand for fireproof, anti-theft and anti-gas equipment is greatly increased, and for theft, fire and other accident monitoring and alarm system requirements...

The Ultra - High Performance Fibre Reinforced Concrete (UHPFRC) is a very promising modern cementitious material suitable for application in special structures. The knowledge of performance of this relatively new material is limited. This paper deals in more detail with impact of extreme conditions (it...