Advances in Engineering Research

With the development of modern industry and communications industry, a variety of metal wires are used more and more. At the same time, the number of cables required waste recycling is also increasing and the environment pollution has become more serious. Currently, cable for waste recycling technology...

First, we conduct the research on the mechanical mechanism of smoke control system to form a continuous water curtain and analysis the mechanical model of continuous water curtain and micro-unit; then simulate the continuous water curtain's shape of smoke prevention system by using Fluent software and...

Based on the temperature data of a post-tensioned continuous concrete box-girder bridge monitoring during concrete hydration, numerical analysis of the temperature in the different positions of the concrete box girder section was systemically carried out to extract the max temperature difference. A numerical...

Waterproof construction is a comprehensive, practical, strong engineering, it relates to a waterproof material, waterproof engineering design, construction technology, building materials management and other parties, use function of building engineering plays a vital role. No seepage leakage, to ensure...

This paper takes soybean milk machine as an example. Nowadays, soybean milk machines on the market all adapt rotational flow to cut the beans and electric heating tube to heat. Whether they have filter nets or not or the beans are dry or wet is not the main factor to classify soybean milk machines. Instead,...

In order to make clear the priority of land consolidation, improve the use efficiency of land consolidation funds, and promote the better land consolidation work. Based on the investigation and summary of the current problems in land consolidation, according to the characteristics of land use in Yunnan...

In the era of big data, educational decision-making, educational policy, educational concept, educational scientific research paradigm and cultivation of school core competence are all impacted, and the importance of educational big data is becoming more and more important. The big data is applied in...

In order to effectively overcome the original evaluation method of subjectivity, the complexity of equipment maintenance, the uncertainty problem, based on the analysis of existing evaluation method, construct the evaluation index system of equipment maintenance support capability, illustrates the basic...

To investigate the detection of extended-spectrum -lactamases (ESBLs) -based Escherichia coli and their associated risk factors in urinary tract infection in patients with urinary tract infection. Methods The clinical data of 169 patients with escherichia coli infection and ESBLs were analyzed retrospectively....

To improve the innovative design system of Chinese furniture constantly, the article introduced advanced foreign theory of the solution of inventive problems (TRIZ), and discussed the feasibility and the main way to apply the theory to the innovative design of furniture, which provide a theoretical basis...

In this paper, a new frequency control strategy is proposed for islanded microgrid. Due to characteristics of islanded microgrid, the load variation and the new energy disturbance can be predicted by the ultra-short-term prediction. By using feedforward control method, the load disturbance can be roughly...

The parasitic bipolar conduction in CMOS source-well-drain structure triggered under heavy ion irradiation will cause wider pulse width. The source, commonly though the emitter, will inject charge to the well, so that the drain has to collect additional charge and create a wider pulse. However, in our...

The emphasis on this paper is mainly on the empirical study of market share and marketing strategy based on Markov chain model. Firstly, we review basic theory of Markov chain model. Secondly, two examples are cited to analyze the market share and marketing strategy, and MATLAB 7.0 is used to calculate...

Methods to analysis the DOF(degree of freedom) and singularity of pure serial and pure parallel manipulator, which cannot be used to the hybrid manipulator directly, three type of practical topological units and one type of virtual topological unit adopted, Synthesis method of topological dimensionality...

To avoid waste of water resources by existing irrigation devices, a seedbed water-saving irrigation device is designed, to substantively save irrigation water, realize automatic irrigation and save labor cost. Visual Basic and SolidWorks redevelopment technologies are used to develop a design system...

Image processing is an essential principle that is increasingly being applied in innumerable applications to optimize abundant design complexities to modified version by implementing the hardware platform to practice the algorithms. This is especially for the practice of a real-time system that performing...

Pipes have an important role in industries that support fluid or gas distribution. Therefore, it is necessary to periodically monitor the condition of the pipe, especially if what is flowed can be flammable or dangerous if it comes out of the pipe. Leaks in the pipe need to be avoided. In the era of...

Cloud computing is a promising platform for various applications and use cases, providing organizations with cost-effective, scalable, and flexible computing resources to support their needs. Therefore, businesses, research institutions, and educational organizations drive the adoption of cloud computing....

With the deepening reform and expanding college enrollment in China's higher education system, the traditional experimental teaching has been unable to meet the needs of today's higher education development. Based on the original network engineering laboratory, based on the introduction of virtual simulation...

This paper elaborates the connotation as well as characteristics of self-directed learning, which applies it to nursing clinical teaching. The experiment shows that this learning method excels over others in terms of improving learning interest, initiative, expression skill, team-work spirit, communication...

To study the response speed of the hydraulic pressure of hydraulic brake system, a hydraulic unit was taken as an example, and the structural principle of the key components was analyzed. Then the model of the hydraulic unit was established by AMESim for simulation and analysis, and variable-controlling...

This paper summarizes the main findings regarding rural household energy consumption from 5130 households covering 171 counties in Hebei province. The results of the survey document behaviors of rural residents: the most commonly used fuel for heating is coal product (including honeycomb briquette and...

The volcanic rocksdistributed in Pingzhuang-Machang basin of Jianping countryshould belongs to YixianFormation,thevolcanism may be divided into two subcycles.The volcanic rocks mainly consists of rhyolites,trachyte and trachyandesites. The geochemical characteristicsindicate that the volcanic rocks belong...

Nitrogen-doped carbon nanofibers (NCNFs) was synthesized by simple electrospinning, followed by the thermal treatment using urea as nitrogen source. The morphology and microstructure of CNFs were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results...

This paper has quantitatively predicted the groundwater level variation in Baoding City based on BP neural network model, regression analysis model, time series model, and Markov model. It can be concluded that the prediction accuracy of BP neural network model and time series model is the highest, and...

A force feedback model of steering wheel was established based on mechanical analysis of the vehicle steering system. Taking driver’s preference for steering torque into consideration, a correction coefficient was introduced to this model, and a method for determining the coefficient was also put forward....

When the pipeline bursts and leaks, the make-up pumps will turn on to supple the network with water. Due to the outdoor heating network is a closed cycle, and equipped with the make-up water pumps, the hot water will leak continually under a constant pressure at the leak point, which causes thermal waste....

With the increasing development of science and technology, for a university, the proportion of science research activities and research capacities is increasing gradually in assessing its overall strength. By means of information technology for managing the daily research work, integrating scientific...

Transportation has a rapid development with the stimulus of electronic commerce. As the internet economic hold dominant position, freight characterized by mass high added value, strong timeliness demand has been in strong demand. The world railway transportation presents the trend of logistics. Based...

This paper presents all the rock mechanics studies carried out at UCIL-Tummalapalle mine, Andhra Pradesh. The rock mechanics investigations in this mine includes, optimization of pillar dimensions by numerical modeling, feasibility of hangwall lode mining at shallow depth, support design for deeper levels,...

By employing the physical simulation experiment and theoretical analysis, this paper aims to study the effect of mining height and the first sub critical layer on the evolution law of mining-induced fractures. The mining-induced fracture density, fissure characteristics, height of broken fractures, height...

In order to analyze the seismic performance of the hexagonal-hole variable cross-section honeycomb beam portal frame, the finite element analysis software ABAQUS is used to analyze the seismic behavior of the portal frame with the same span, same beam-to-column distance, hole number, opening ratio is...

Reheat system of PWR nuclear power unit in use of steam reheat method.Heat recovery system and reheat steam system of PWR nuclear power units with strong coupling, so the impact of changes in heat recovery steam extraction pressure loss of nuclear power plants is more complex than thermal power.According...

On the basis of analyzing some defectiveness in motor current monitoring of current radar servo system of ship-borne, design was proposed to monitoring motor current base on LabVIEW and PCI-1712 data acquisition card. The feature and driver function of DA data acquisition card are explained in detail...

The buttress-warehouse retaining wall is the combination of buttress retaining wall and warehouse retaining wall. In this paper, with different widths of buttress, the wall's soil pressure and deformation characteristics have been discussed in geotechnical centrifuge model experiment. The results show...

In order to analyze the dynamics of the gear transmission more efficiently, this paper builds a three-dimensional modeling software Creo, finite element software Hypermesh and dynamics simulation software based on MFBD (Multi-Flexible-Body Dynamics) technology. RecurDyn established a multi-flexible body...

One promising source of renewable energy is wind energy. Wind energy is an abundant source of renewable energy to produce clean energy. A wind turbine is a device used to convert wind energy into kinetic energy. The average wind speed is 3m/s to 7m/s in Indonesia, classified as low wind speed. Savonius...

This article offers a comprehensive exploration of the design principles underlying wireless power transmission systems, with a particular focus on the intricate dynamics of coil design and their profound influence on energy transmission efficiency. It traverses the landscape of modern technological...

This research examined the mechanical characteristics and failure patterns of ultra-high performance concrete (UHPC) pipe through trilateral loading test and numerical simulation. The test results provided critical data, including crack load, failure load, and load-displacement curves. The findings indicate...

The tool pin profile on Friction Stir Welding (FSW) has great influence toward the result of welding. The tool pin profile is one of the vital factors influencing the result of welding such as the microstructure and the mechanic characteristic on the joint of Weld Nugget (WN). This study aims to analyze...

ECG, a kind of identity information in human identification, can be easily affected by detector's movement and the change of mood. Traditional ECG feature extraction methods require a lot of calculation which increases the computation time in the process of identification. In this paper, we mainly discuss...

In order to investigate the effect of ultra-fine smash on the separation results of Shenfu semi-coke, the impact crusher was used to explore the relation between the degree of dissociation and the particle size and ash content. Additionally, the operating parameters of separation device of impact crusher...

We adopt cellular automata, a kind of complex system modeling method which achieves macro-emergence through local transition rules, to build a diffusion model. We realize parallel computation of the model with MATLAB's matrix processing and develop a GUI for model running. Through adjusting the diffusion...

With the development of the transmission line, it is more and more important to analyze the unbalanced tension of the tower. The non-contact method of measuring the insulator deflection angle uses image processing techniques, and the experimental results show that this method has better recognition speed...

In order to investigate the stocking decision for a two-echelon inventory system of non-repairable spare parts with multiple demand distributions, we present a universal model to calculate non-repairable spare parts fill rate. Because of the diversity of non-repairable spare parts, the assumption of...

Thanks to wide area measurement system, the introduction of the whole electrical power system information into wide area backup protection methods has made up the severe deficiency that some incorrect judgments made by traditional backup protective devices when the transmission line overload occurs are...

In the energy and petrochemical industry, the use of the flare to burning VOCs is a conventional approach for port energy storage tanks. This paper briefly introduces the main process of flare system, elaborated with emphasis the water seal liquid tank design. In the water seal liquid tank design combined...

Focus on the key feature extraction and selection of facial expression recognition, this paper firstly extracts the global Gabor features and facial key expression as local features. Then centering, rotating and scaling every feature block with Procrustes analysis to reduce the effect of position and...

The parameters calculation, meshing surface and 3 D models construction of planar double-enveloping toroid worm pair are efforts consuming because of complexity of the envelope motion. A parameter driven modeling method of this worm pair has been proposed, the parameters calculation, meshing surface...

The cathode material LiNi0.5Mn1.5O4 with cubic spinel structure was prepared by co-precipitation process using LiCl, NiCl2•6H2O and MnCl2•4H2O as raw materials, oxalate as a precipitant, polyacrylic acid(PAA) as a dispersant agent. The synthesized materials were analyzed and characterized by X-ray diffraction(XRD),...

As a relatively new concept combining floating wind turbine (FWT) and wave energy converter (WEC), Hybrid wind-wave energy system (HWWES) is still on its initial stage. The reason for this is that both WEC and FWT platforms have many subcategories but there is no common agreement about how to combine...

Discrete System Modeling for Large Ship Subsection Welding Workshop Based on Plant Simulation, Plant Simulation software was used to simulate the discrete system. This paper introduces in detail the process flow of the production line in a shipyard for substation welding and intelligent transformation...

With the development of economy and population growing, the need for sustainable land use evaluation reclamation domain in Zhuhai city. This article reflects the economic, ecological, 21 indexes from all sectors of society, construct the economic feasibility to (EI) (NSI), the social acceptability and...

Three-phase PWM rectifier of New Energy based on DSP has been put forward by the disadvantages of random fluctuation about New Energy and the deficiency of the traditional rectifier . the Mathematic model of three-phase PWM rectifier in the d-q rotation frames is analyzed at first , to decouple the three-phase...

Microwave-assisted pyrolysis of scrap automotive tires allows recovery of energy and useful materials, such as pyrolytic oil, char and gases. Scrap tire were being heated in inert atmosphere at temperature between 400 and 600°C to produce liquid fuel. Tire pyrolytic oil obtained possessed high calorific...

In order to effectively combat the act of electricity stealing which had long plagued power supply enterprises, it is essential to train power consumption inspectors on that act of electricity stealing in theory and form. This paper first illustrates the importance and technical difficulties of anti-electricity...

It is a very complex problem of pile foundation stability evaluation in karst area, which has been gotten more and more attention in the engineering field. There are many factors that affect the mechanical properties of the pile foundation, including the size, quantity and spacing of the karst. In this...

Combined with design and test data of a low head sluice, CFD software and RNGturbulence model were used to simulate three-dimensional flow of sluices stilling basin. The original design has been optimized by adjusting the layout of the stilling basin. In connection with typical operating conditions,...

In order to solve the problem of corrosion diagnosis of grounding grids, related program modules of modeling and corrosion diagnosis of grounding grids is developed based on the block model on the platform of Matlab. The programming to realize the block model of a grounding grids is described. The programming...

OBJECTIVE To indent the function of an active ingredient from fresh pearl. METHODS Pearl extract in different concentrations were added into the 96-well plates, which contained B16 melanoma cell. The cell viability, tyrosinase activity and melanin biosynthesis of the B16 melanoma cell were measured....

This paper expounds the control system structure, working principle and characteristics of high voltage power supply of electrostatic precipitator, introducing the main technical parameters and performance of high voltage power supply control system of the new type electrostatic precipitator, and finally...

Essence of education is a shared resource, and educational resources from all mankind, it should be shared in humanity. If you can, whether high and low, both spatial and temporal distance can have access to quality educational resources, and then be able to complete this vision of online education....

The structure and working principle of steering column-power type electricpower steering (EPS) system were introduced. The control strategy and assist characteristics of EPS system were designed based on brushless DC motor. Torque control strategy of power steering motor was designed based on the research...

This paper studied on the fatigue experiment of two CRTSIII slab ballastless tracks on subgrade under high-speed train load, one was the track structure with self-compacting concrete thickness of 70 mm (the 70 mm's), the other was 90 mm (the 90 mm's). The two tracks were made of 1:1 full-scale test models...

Spinel LiMn2O4 was synthesized by solid-state method,using Mn2O3 as manganese source. By X-ray diffraction, scanning electron microscope and electrochemical performance test, effects of impurity calcium from manganese source.ie. MnCO3on the electrochemical properties of spinel LiMn2O4 weresystematically...

The measurement of the gun barrel pointing is an important part of artillery performance test. In this paper, the existing methods are classified and their principles, advantages, disadvantages and application situations are introduced. Besides, we discussed the prospects and trends on the measurement...

In this work, the active vibration control of a uniform cantilever beam using piezoelectric materials subjected to transverse vibrations is studied. The equation of motion of a beam bonded with the piezoelectric actuator is realized based on the Euler Bernoulli beam theory and the Hamilton’s principle....

Many sliding strata exist in the Three Gorge Reservoir and the weathering products will landslide easily. Aiming at the accumulation formation of Triassic Padang Group in Beipei Landslide treatment project, this paper applied parameters reduction method to analysis the deformation mechanism and stability...

Circularly polarized antennas are widely used in the field of satellite communications. The receiving and transmitting polarization mode are generally controlled by polarization switch. Compared with the receiving polarization mode detection, the transmitting polarization mode detection is complex relatively...

Over the years, with advances in RNA research, researchers have found not only the large number of circular RNAs found in many organisms, but also their important biological functions. Cyclic RNA is derived from introns or exons, can act as a micro RNA sponge, but also with the protein combination to...

Offshore wind power is a strategic focus on new energy development, China's coastal areas have carried out large-scale offshore wind power development planning. At present, the UK is the world's largest offshore wind power market, with over 15 years of experience in offshore wind power. The British Government...

According to the production process of precision forging for blank parts, to investigate the feasibility that recovering the waste heat from forging process by heat pump technology. It has designed a new cooling system by the heat hump on the basics of analyzing the thermodynamic parameters and heat...

The unique combination of properties exhibited by polypropylene has attracted significant research attention in new dielectric materials for electrical energy applications. Several research works reported on polypropylene as a high-voltage material for insulation. However, the literature has reported...

Hybrid composites of AZ91D magnesium alloy with boron carbide (B4C) and zirconia (ZrO2) were created using the stir casting technique. The microstructure of the composites showed that the distribution of reinforcing phases was heterogeneous. To study the tribological properties of the manufactured composites,...

This paper proposes an innovative inner core for buckling-restrained braces with multi-mechanism energy dissipation and self-centering capabilities, referred to as Aluminum-ECC-Self-Centering Conical Taper (ALECCYT) inner core. Through theoretical deduction, an initial design methodology for the horizontal...

Research on power generation using waste heat is a conversion process that utilizes thermoelectric generator elements, which can be generated from the heat produced by burning waste. This research aims to study and develop a system based on the capabilities of TEG components that can be designed to convert...

Subak is a traditional farming community organization in Bali responsible for regulating irrigation systems. Subak Empelan, led by Pekaseh, is a well-maintained community consisting of 150 members who manage 97 hectares of rice fields. Due to limited water supply, rice planting is staggered. Harvesting,...

Sangeh Village, located in Abiansemal District, Badung Regency, is home to several temples that function as focal points for the spiritual life of the local community. Among these, Pura Taman Pancaka Tirta holds profound religious and ecological significance. With increasing awareness of cultural heritage...

The sintering temperature of lead-basedanti-ferroelectric (AFE) ceramics is always as high as1230°C which leads to the volatilization of lead and deterioration of performance. In order to bring down the sintering temperature and preventthe deterioration of electrical properties of AFE ceramics, Pb0.87Ba0.1La0.02(Zr0.68Sn0.26Ti0.06)O3(PBLZST)...

CFRP repairing is an effective way of repairing or strengthening notched steel beams. However, the debonding failure of CFRP repairing reduces the effectiveness of this reinforcement technique. The CFRP repairing debonding is the most dangerous failure mode to reduce the efficiency of CFRP repairing....

For the fractured vuggy carbonate reservoir, the existing well test models are difficult to apply because of many factors, such as the rock structure, the structural fracture and the dissolution. To solve this problem and represent the complicated flow in carbonate reservoir, we propose a finite element...

Objective: Using Tieling rural area survey data, this research analyzed empirically the influence factor of rural-household differentiation behavior in major grain-producing areas by Logistic regression model; Methods: Logistic Model; Results: It turned out that the highest culture degree of family members,...

Traditional nets made of soft rope support, the four corners fixed to the roof, don't have to put in the roof, the nets continue to cause people to space smaller, living space narrow is easy to make people depressed. It is not about the concept of healthy and happy life. In addition to, mosquitoes into...

Nitrous oxide （N2O） is one kind of potent greenhouse gas which can destroy ozone layer and lead to acid rain. Furthermore, nitrous oxide is quite easy to be converted into the secondary particle pollutants which can aggravate haze in certain weather conditions. Effective control of N2O emission has...

Since the 2000s, we can talk about rapid development of high technologies. Technically complex devices equipped with a variety of systems and sensors became an essential part of our daily life and their absence is difficult to imagine. Technological processes, which until recently were carried out only...

The article presents the observations of the landslide-prone northern slope of the Sunzhenskiy range to the south of the village of Podgorny in the Staropromyslovskiy district, Grozny using the kinoteodolite method in dynamics. According to the observations of the slope, it was possible to predict the...

It was proposed to use electrokinetic phenomena for the cultivation of agricultural products, taking into account the multifactority of technology and the presence of relaxation phenomena. It is forecasted to use new approaches to reduce energy costs for the process of moistening the root-layer of soil...

This research was conducted to determine projections passenger numbers and cargo at Soekarno-hatta for next 10 years. From the process of analysis can be specified that for the calculation of the projection of the number of passengers and cargo at the Soekarno-Hatta Airport and the most appropriate method...

Geographic Information System (GIS) based maps of landslide susceptibility can be used to identify the landscape potency for an area or segment of a railway line. The accuracy of landslide susceptibility maps needs validation to ensure the information provided by the GIS map is reliable. This study aims...

In order to further study the vulnerability of simply supported girder bridges for high-speed railroads under the seismic effects in the near-fault strong seismic zone, a finite element model of simply supported girder bridges for high-speed railroads with a span of 6 × 32m is established based on the...

The most important objective in electrical utility operation and control is to improve voltage quality in industrial power grids. Due to the use of electronic devices in the form of non-linear load, the system will get affected with harmonics. Harmonic has become the main issue for power quality, and...

Atmospheric PM2.5 pollution has been very serious in many areas of China in recent years, jeopardizing human health. Human exposure to PM2.5 occurs primarily indoors, and reducing indoor PM2.5 concentrations is an important way to reduce human exposure to PM2.5. When the atmospheric PM2.5 concentration...

The prefabricated construction industry, while promising in its prospects, introduces fresh safety challenges. Noise, as one of the important influencing factors affecting prefabricated construction workers, has an unavoidable impact on construction workers’ unsafe behavior. This study explores these...

This study aims to measure the effectiveness of the Virtual Classroom Critical Thinking (VC2T) Model in improving students’ critical thinking skills. There are six steps in the VC2T model, namely: problem orientation, formulation, group discussion, analysis, result discussion, and reflection. This study...

It is of great realistic significance to optimize operating process and control energy consumption for production segment in thermal power plants. First of all, this paper proposes the analysis model of the energy consumption of the boiler operating parameters, and then according to the definition of...

With the rapid development of informational construction, higher request is needed by the management of drive-training enterprise. Driving-training school's effective management can reduce the waste of human power and wealth very much, and ensure driving-training school's information resource to be utilized...

with the development of the global energy financial integration, the international energy market financialization trend increasingly highlighted.As China's energy consumption is rising year by year, external dependency of energy shortage in China's energy security and energy dependence become one of...

Taking carbon footprint as the signal of production quantity, it creates the signaling game model of pricing between firm and consumer. By graphic analysis tools, such as indifference curve, it researches deeply the equilibriums of the model, such separating, pooling and hybrid equilibriums. The results...

Three 3-substituted derivatives of quercetin were synthesized in 10-80% overall yields. Their structures were characterized by 1HNMR. Three target compounds (4a~4c) have not been reported before. The results showed that: pre-treated of PC-12 cells with, cell survival rate was higher than that of quercetin....

Feature extraction is a major concern in 3D retrieval, which decides its performance and efficiency. Therefore, feature extraction and compression become the keys to guarantee the retrieval’s performance and speed. The process is as follows: firstly, transform the standard 3D model to 2D images by perspective...