Advances in Engineering Research

According to the characteristics and structure of high performance concrete, influence laws of new type lime and calcium sulphoaluminate expansive agent on mechanical properties, deformation properties and microstructures of C50 concrete were investigated. The results show that with the increase of doped...

In order to verify the rationality of the straight pipe's design for the ultrasonic heat meter calibration device, the Computational Fluid Dynamics(CFD) was used to the simulation for the DN25 heat meter, the straight pipe length of the domestic typical structure ultrasonic heat meter was determined...

Earlier research has demonstrated that rigid base, when properly applied, can enhance the cracking and rutting resistance of asphalt concrete layers in pavements. This study focussed on developing the temperature stress distribution of roller compacted concrete(RCC) base by conducting appropriate experiments...

This study evaluates the effects of fly ash microsphere (FAM) on the flowability and cohesiveness performance of cement paste. FAM is a superfine fly ash captured from the coal-fired power stations. It has a mean particle size of around 2 mm and is of spherical shape. An experimental program comprising...

The applications based on Internet of Things are widely used. In these applications, how to efficiently compressed wireless sensor data and recover them accurately is an important problem. In order to solve this problem, we design an agricultural sensor data sparse representation and recovery method...

Design of the main controller using fuzzy logic theory on the basis of the traditional PID control, Using the fuzzy mathematics theory, the use of fuzzy sets to represent the regular condition, and the fuzzy control rules and the relevant information in the control system in the knowledge base as a knowledge,...

In this paper, we investigate the properties of ultrashort pulse propagation in normal group-velocity dispersion (GVD) fiber based on nonlinear Schrodinger equation. A numerical model is established and is programmed and calculated by the split-step Fourier transforms. Nonlinear pulse evolution transmitted...

Aiming at solving the problems of low-efficiency and high-cost of existing auto-focusing methods for microscopic imaging, an on-line auto-focusing method is proposed and developed using dual photodetectors. Firstly, two identical photodetectors are placed in symmetrical positions with equal distance...

The paper uses the uncertainty principle and no-cloning theorem; then combines the fundamental properties of quantum mechanics with the cryptographic hash function together; after that proposes a new security quantum blind signature. The analysis of security shows that the improved scheme has the feature...

Objective: To explore the expression level and correlation analysis of fibroblast growth factor 21 (FGF-21) and its biochemical indexes in serum of patients with hypothyroidism. Method: To collect 168 cases of patients in the Affiliated Hospital of Beihua University, 62 cases of hyperthyroidism group,...

With the development of economic, the construction of offshore artificial island is more and more developed. As one of the common cofferdams, the gravity cofferdam has been widely used in the wharf and breakwater engineering. The deformation is analyzed using finite element method and the results show...

This article focuses on how to accurately evaluate the influence of sound velocity vertical structure on sonar detection performance under acoustic convergence condition. Combining acoustic propagation model with sonar target detection theory, a quantitative performance evaluation model is constructed...

Abstract Texturized Vegetable Protein (TVP) is made from soy protein by extrusion method which is intended to replace meat. The addition of Xanthosoma Sagitifolium Powder (XSP) in the TVP matrix is expected to improve its functional properties. The objective of this study is to determine the effects...

Based on core observation and thin section authentication, the control factors of Oxfordian Stage carbonate reservoir of Odjarly Gas field of Amu Darya Basin were discussed by comprehensive utilization of geological, drilling, seismic data etc. It was concluded that the carbonate reservoir developed...

Based on Reissner theory, this paper investigates the vibration problems of rectangular thick paltes by applying boundary integral method. This paper presents the concept of the quasi basic system, applies the boundary integral method in it and the actual system, and derives the governing equation and...

Counting the number of passengers getting in/out of a bus in each station is a challenging task in smart bus field. To solve the problem, this paper presents a method of automatic people counting for a bus based on a RGB-D video, a zenithal camera in the bus door capturing the passengers flow is set,...

Preeclampsia still becomes a leading cause of maternal and perinatal mortality. The placenta is a critical subject in the pathogenesis of preeclampsia. Excessive apoptosis can cause the malfunction of trophoblast cells in their ability to remodel spiral arteries. Uteroplacental ischemia and endothelial...

The management of medical facilities that have not made use of the information system (IS) has caused various difficulties for stakeholders. For the executive, the implementation of the medical facility management information system is deemed necessary to improve the quality of hospital services, while...

Three-phase induction motors are the most widely used motors and they absorb the largest electrical power among electrical loads. To know the conditions and performances of the motor, it requires the values of its equivalent circuit parameters. At this time, there have been found many methods to determine...

Rubberwood (Hevea brasiliensis) and Jabon (Anthocephalus cadamba) are two promising species that is widely planted in industrial plantation and community forests in Indonesia. The objective of this study was to improve the properties of rubberwood and jabon pellets through torrefacation. Torrefaction...

Coral reefs represent some of the most intricate and biologically rich marine ecosystems, fulfilling a pivotal role in the conservation of biodiversity and the protection of coastal environments. Nevertheless, these vital ecosystems are increasingly endangered by the impacts of climate change, the phenomenon...

Radio Detection and Ranging are used for object detection, distance and altitude measurement, and mapping. RADAR can be used in bad weather conditions and can see objects under the sea and in the air at great distances. Ship radar is one of the technologies in the shipping sector, especially in the marine...

Rise of artificial intelligence chatbots has changed the interaction pattern between customers and brands. Chatbots provide various benefits to firms such as operational efficiency, personalized recommendations, customized experience and scalable engagement. But the critical risks that are often overlooked...

This research shows the design of Smart Charging (SC) using Ant Colony Optimisation (ACO) algorithm for charging 12V 30Ah lead acid battery. This research aims to propose a new energy charging method for electric vehicle batteries using a smart charging system. The new solution to determine the State...

Some agencies in the world warned that the recent flood disaster has been getting worse all over the world. Engineers have studied flooding and its impact with various simulation models. Yet, there is no model considered the best for all estimations of flood disasters in the future. In this paper, the...

In order to study the anchorage performance of split double-pawl bolt, the tensile strength tests of smooth round anchor bolt and split double-pawl type anchor bolt with different anchorage lengths were carried out, and the test results were compared with the relevant literature specifications. The test...

Feeder is transportation that serves parts of the city that are beyond the reach of the BRT/LRT/MRT transportation system or transportation above it and is not connected to the system. This study is intended to assess the performance of feeder public transportation. As for the performance assessment...

Due to erosion by wind and sand, the steel beam coating of cable-stayed bridge becomes thin or even falls off, resulting in corrosion of steel beam. In addition, the strength of concrete tower columns also decreases due to the erosion area of sand. In order to study the damage of the main bridge, cable...

One of the stages in construction project activities is the maintenance stage that must be carried out by the contractor after the Handover I is carried out. At this stage, there may be damage to the construction resulting in additional costs to repair the damage. The purpose of the study is to identify...

This paper proposes a method of rotor position and speed estimation for magnetically suspended permanent magnetic synchronous motor (PMSM) based on modified sliding mode observer(SMO). In order to weaken the chatting phenomenon, the estimated back-EMF is brought in the current model and a hyperbolic...

This paper proposed an air pollutant source location system with the combination of the wireless sensor network (WSN) technology based on Zigbee wireless network and an optimized least square method. The system, which can realize the coarse location of the possible air pollutant sources, is illustrated...

This paper attempts to establish mathematical models to evaluate and predicate water problems in the example of Qingdao.We establish a multi-indexical evaluation system of water resources to access regional water capacity and attempt to analyze the corresponding causes. We use Comprehensive Evaluation...

In this literature article, we conduct research on the regional water resources development threshold model based on neural network. With the development of industry and agriculture and the increase of population, water availability will increase, which brings us up out of the water resources characteristics...

The native biodiversity and integrity of riverine ecosystems are dependent on the natural flow regime. Maintaining the natural variability of flow in regulated river is the most important principle for the operation and management of environmental flow (e-flow). However, climate change has altered the...

Mobile user identity is an important part of mobile Internet security research. In this paper, it introduces the development status of user identification and authentication technology in "Internet +" era, and briefly describes their implementation plan and evolution trend. the security problem of each...

Up to now, a large part of the debate and the initiatives involving rural areas have still tended to concentrate on activities orientated to markets (qualification of the productions, valorisation of the system of services to tourism, interventions on the valorisation of cultural resources), leaving...

single and double layer alginate calcium iron gel beads were prepared. The adsorption property of alginate calcium iron gel ball on Cr(VI) was studied, under the existence of Fe3+. The effects of the number of layers and the sequence of Fe3+ in gel ball on adsorption of Cr(VI) were discusses, and the...

This paper highlighted a new improved ant colony optimization algorithm was realized to deal with structures optimization problems efficiently, with several special improvements. The new algorithm procedure was written by the MATLAB language. The numerical simulation results demonstrated that this new...

Networks-on-chips connect multiple cores together and have been widely used in electronic devices. This paper focuses on the mapping problem of networks-on-chips We propose an algorithm MART to improve the real-time performance of applications and minimize the communication cost. Experimental results...

This paper introduces the currently manufacture process of seamless pipe and the main factors that reduced seamless pip quality and quantity during production. Developing a machine that can automatically detect center point of raw ingot and punch oriented hole besides, it’s controlled by a remote control...

In this work, theoretical calculations have been performed on urea maleic acid (UMA) by using density functional theory (DFT) method at B3LYP/6-311++G(d,p) basis set levels. In calculation of electronic absorption spectra, TD-DFT calculations have been carried out. The calculated HOMO-LUMO energies confirm...

Based on the structural reliability theory, the extreme wind speed forecast method was used to establish the reliability model for analyzing aerostatic instability of long-span suspension bridge. The limit state equation of reliability analysis model is a function of conversion factor, critical wind...

The bottom-hinged oscillating wave surge converter (OWSC) is a type of wave energy device that consists of a buoyant flap that is free to oscillate about a pivot. It completely penetrates the water column and is located within the near shore region. This paper presents an experimental study on the dynamics...

Al coating is formed on AZ31 magnesium alloy by Cold spraying. plane and cross-sectional microstructure of cold spraying Al coating are investigated. The results show that Al particles are deformed significantly compared with original particles and Al coating is well bonded with the substrate. The microhardness...

Rich burn - Quick quench - Lean burn (RQL) combustion technology is one of the most promising low emission combustion technologies for aeroengines. During the whole process of RQL, rapid and effective mixing in the quenching zone is critical for its key role of bridging rich burn and lean burn processes....

The oxidation behavior of C/SiC composites, prepared at low temperature as 900, comparatively lower than currently reported fabrication temperatures, was investigated, which indicated that the C/SiC composites started to oxidize at about 600C, and the flexural strength was enhanced diversely after oxidated...

In this paper, the shot putter Wang Guangfu as the research object, and analyzes the three-dimensional video analysis of the back-stepping shot put technique of Chengdu Railway Station in the National Athletics Throw Series in 2017. The research shows that Wang Guangfu lifted the upper body prematurely...

Transformer is the main equipment, whose stable and reliable operation play an important role in the state grid. The process and method of finding overheating faults are illustrated through the case of a 66kV transformer internal fault. At the same time, it is verified that the gas chromatographic analysis...

At present, information technology presents exponential growth characteristics, it have entered the era of large data. Data is a strategic resource as important as self-heating resources and human resources, which implied huge economic value. How to effectively organize and deal with large data will...

In order to do further study of newly amended Chengshan Jiao Routeing system, it's necessary to conduct a post evaluation. Based on the result of questionnaires, this paper collected and quantified crew's and maritime experts' assessments on the Chengshan Jiao Routeing system's safety indexes and then...

There is a close relationship between architectural color and the formation of urban social historical context, the formation of urban features, urbanÿresidents' attachment, and so architectural color is an important part of urban features. The paper generalizes architectural color features during various...

With the deterioration of the external economic environment in recent years, the problem of credit risk in China's economy has gradually been exposed. We carries out credit risk stress testing on small loan companies in Zhejiang province with macro stress testing framework of financial system. The results...

Christia vespertilionis also known as butterfly wing plant is an ornamental and valuable medicinal plant grown in tropical and subtropical regions. Despite the importance, not much attention has been given to study economical propagation methods of C. vespertilionis. This work aims to evaluate between...

Batang Kandis River was located at Padang Pariaman Regency, West Sumatra Province. This river is one of the rivers that empties into the Batang Anai river, one of the large river that empties into the Indian Ocean. Location of this river is important because could resulting flood that can impacted on...

In this study, the structure and working principle of spherical rubber core and conical rubber core in annular Blowout Preventer (BOP) are compared and analyzed, and it is concluded that conical rubber core are more suitable for ultra-high pressure environments. In this study, an ultra-high pressure...

Internet of Things(IOT) specialty belongs to an emerging specialty established by vocational and technical college. The article analyzes the significance of the construction of Internet of Things training room from the construction goals and the function orientations of Internet of Things training room...

With the rapid development of computer and the popularization of computer network, The application of database system has gradually become the core part of the information management system, which is used in all aspects: the country, the enterprise, the commercial and daily life. To national government...

In order to show their corporate social responsibility (CSR), Chinese enterprises start to publish CSR reports, however, the majority of these reports lack third-party audit and therefore are unable to be assured reliability. Using a sample of all Chinese manufacturing listed companies in the Stock ''A''...

In order to study the effects of different amount of nitrogen, phosphorus, potassium and all the fertilization ratio on sweet corn yield "3414" design theory was applied to set sweet corn fertilizer efficiency test in Wuhan city modern agricultural experiment and demonstration garden. Result showed that...

This study introduces the principles and application procedures of the stiffness multiplier method used to correct the statistical energy analysis (SEA) subsystem attributes. Using the cockpit floor of a certain type of fighter aircraft as an example, this study combines the finite element method and...

Harmonics in power system bring many adverse effects to the distribution system. Based on the analysis of the reason of harmonic generation, this paper puts forward the calculation method of harmonic analysis in the simplified circuit model, establishes a synchronous motor power grid model, simulates...

we demonstrate how several tools, such as stacking, cross correlation, digital filtering, significantly attenuate the correlated and uncorrelated noise encountered during the estimation of the earth impulse response of multi-transient electromagnetic survey. This study focuses on processing of correlated...

For the conceptual design problem of the complex blade aerodynamic structure, the parametric finite element model of the wind turbine blade was established using 3D blade integrated expressed functions. The blade section topology structure technology which can solve the whole hexahedral grid problem...

In order to solve the problem that when using gob-side entry retaining, the overall cost of roadside support was expensive, the construction technology was very complicated and the stability of roof rock destroyed easily, gob-side entry retaining without roadside support that based upon the roof control...

The effect of freeze-thaw cycles on dynamic mechanical properties of the ceramsite concrete is studied by using SHPB device. The specimens with different ceramsite volume fraction and subjected to 0, 10, 20, 30 and 40 cycles of freeze-thaw respectively, are tested. The experimental results showed that...

Some specific bamboo pellets were combusted in a tube furnace individually in different constant air flow rates (3,4 and 5 L/min) and at various temperatures (800, 900, 1000, 1100 and 1200 ), in order to investigate the dynamic emission characteristics during various respective combustion processes....

Solid waste generation of Hydraulic Concrete is a new polluting of the earth. The most produced material in the world is the Portland Cement (PC), but its disadvantage lies on its requiring fossil fuels, as well as the COx discharge to the atmosphere. Re-use of Hydraulic Concrete waste abates simultaneously...

Laurel amide betaine (LAB) has good foaming properties under high temperature (90øC) and high salinity (220 000mg/L. In this paper, foaming properties of LAB were investigated comprehensively. The results showed that at low concentrations, LAB had good foaming properties and pH value had little effect...

Typhoon can cause great destroy to the buildings of the towns and villages in the coastal areas. It is essential to investigate the damage and wind resistance performance of buildings in coast areas. This paper investigated some common characteristics of the houses destroyed by typhoon, including grey...

A composite energy management algorithm for extended-range electric bicycles was established on the basis of traditional constant power and tracking power control strategies. With the calculation results of driving power demand and state of charge (SOC) value of battery, the algorithm can optimize the...

A signal model based on the multipath higher order reflections of the flaw is reviewed to detect the sized flaw by ultrasound nondestructive testing, and the different paths are pre-defined and identified to form the corresponding equations. Three paths are studied, DRP, MP-C and MP-W. DRP and MP-C are...

Paying great attention humanized design, is precisely lofty ideal which the moder products pursues, namely produces humanization design product for the humanity, accomplishes a more comfortable life and the working conditions. From five aspects of the physical level's concern, the physiological level's...

Negative pressure wound therapy(NPWT) utilizes foam dressings to create an optimal healing environment. The anti-adhesion material was important for the clinic application of NPWT treatment. Polyvinyl alcohol (PVA) foam dressing could be considered as a good anti-adhesion material for NPWT treatment....

At the present time, in different regions of the world the problem of reducing the area and fragmentation of natural ecosystems is extremely important. The characteristic of the specially protected Lagonaki territory is given. It is noted that the decline in landscape diversity is often accompanied by...

The purpose of this research is to analyze the factors that affect the development of the KEK Tourism Kelayang Cape as an alternative economy after tin mining. The research method used with quantitative descriptive design, the number of samples are 80 SME based on Tourism. Analysis of the data by using...

Running converters causes harmonics in the electrical system, so it is critical to detect and analyze the harmonics in the power signals. However, the various noises could heavily jeopardize the accuracy of detection and analysis of harmonics in the subject. In this paper, wavelet denoising is applied...

Due to the different power standards around the world, to the motor and construction machinery export enterprises design and production management more difficult, raising the cost. If in accordance with international standards IE3, producing a series of ultra-efficient motors, power supply to meet world...

Using the example of a three-mass calculating scheme the article presents the results of a study of the effectiveness of using the additional feedbacks synthesized by solving the inverse dynamic problems for a given type of elastic torque to limit the oscillatory motions. In this article, we described...

New grass cellulose production technology from straw has been developed in Republic of Tatarstan. It can give a new impact to steady development of agriculture areas. Fitotoxicity of boiling lye during grass cellulose production has been studied. This allows grounding ways of its utilization in agriculture....

this article introduces a variation of the parameter method for solving homogeneous linear ordinary differential equations of the second order with constant coefficients, which are most often encountered in the oil and gas engineering when studying the drilling, production and pipeline transport of oil...

This study aims to describe the implementation of interactive multimedia and student activity sheets with writing-to-learn (WTL) strategy for hearing impairment students in chemistry subjects in the household. Multimedia interactive were implemented to 9 students Jember Senior high School of hearing...

The information platform of Moso Teach can provide teaching support with a big data. This article discusses how to use teaching report data, teaching resource data, teaching activity data, learning situation data and artificial intelligence to generate accurate feedback to the problems and difficulties...

A bacterium capable of degrading chlorpyrifos named SG-2 was isolated from the corn soil in Shenyang Institute of Technology, Northeast China. The bacterium SG-2 was identified as Bacillus sp., according to its morphological, physiological characteristics and the phylogenetic analysis of 16S-rRNA. A...

In this paper, the mechanism of aging of insulating materials, the causes of insulation leakage current and the related circuit models are described. On this basis, the principle and advantages and disadvantages of various insulation detection technologies for wire and cable are analyzed. Secondly, based...

The coupled problem between gas flow and solid deformation in porous media analysis has important influence in contaminant transport and gas outbursts during coal mining. In this paper, it is presented an analytical method to solve coupled nonlinear models of stress and gas seepage, which consider the...

With the rapid development of network technology and the rapid development of information technology, computer remote monitoring system and the combination of Web technology and the B/S mode has gradually become a hot topic, industrial monitoring and control system of B/S has become the development direction...

PT Kereta Api Indonesia (KAI) has been continuously transforming its services in the past eight years. Since 2009, PT KAI has improved its quality and service to rail transport users. PT KAI has been modernizing the bidding system, making KAI Access applications, rejuvenating facilities, improving infrastructure...

This study explored the effect of adding different concentrations of carbon nanotubes (CNTs) on the resistance to chloride ions penetration of cement mortars through natural penetration of chloride ions and Mercury Intrusion Porosimetry. The experimental results of natural penetration of chloride ions...

With the popularity of cloud computing, cloud computing enterprises are launching cloud storage services, which are becoming more and more attention and use as an emerging network storage technology. In the application process of cloud storage, object storage service interface is growing rapidly, so...

The building with crack has all the power to spoil the strength and aesthetic view and it may also lead to collapse. Crack lets in the moisture and hence the permeability increases in concrete which results in corrosion of reinforcement. As a result the tensile strength and compressive strength of the...

Squirrel-cage induction motors are widely used in industry for their durability, simplicity, and cost-efficiency. However, frequent start-stop cycles, overloads, and aging can lead to mechanical and electrical faults, reducing efficiency, causing unplanned downtime, and increasing maintenance costs....

Train is a mass transportation that can reduce congestion on the big city, but it also has an impact of noise to residential around the railroad tracks. One of the main sources of noise is the collision of the wheels with the railroad tracks, and this can be reduced by noise housings design. The purpose...

The problem lies in the length of time it takes to make holes in the key housing on the aluminium door frame profile using a drilling machine, manual grinding, and filing. The aim of the study was to obtain a prototype for a portable door housing key hole punch. The method of making a press tool for...

Inspection well diseases are relatively common in soft soil areas. In response to the problem of road inspection well diseases in soft soil areas, a disease index system was established through systematic research, and the characteristics of road inspection well diseases in soft soil areas were analyzed...

Water is an important resource required by all living things to stay alive. Water conservation is an important agenda throughout the world. Agriculture sector consumes lots of water resources to grow crops, vegetables and etc. Hence, a water saving irrigation system is desirable. The main objective of...

With the high-speed development of the intelligent vehicle industry, people’s requirements for transportation efficiency and transportation safety are also increasing. In-vehicle navigation technology can assist drivers to complete driving tasks safely and efficiently, which is the focus of current research....

The efficiency of solar photovoltaic (PV) systems significantly decreases as the surface temperature of the panels increases due to prolonged solar radiation. This study aims to enhance the performance of solar PV by implementing an active water spray cooling system. The system utilizes a series of nozzles...

In the era of advances construction technology in Indonesia, the use of precast concrete as a building structural element is increasing. For efficient and strong building structures, in-depth research is necessary performance of precast beam connections. This research aims to evaluate the performance...

Meretrix sp. or well known as asiatic hard clam has a significant ecological role in the estuary ecosystem. Besides, they are also traded and consumed by people. Further studies are needed to analyze their morphological and ecological aspects to support the potency analysis of this clam. This study aimed...

Tourism factories are combination of traditional industries, tourism, services and the experience economy. It is an industry innovation and value-added. This study analyzes the value activities of Tourism factory in Taiwan's tea industry. Identification and application of value chain activities and innovative...