Advances in Engineering Research

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...

With the application of network technology, the risk of network security is gradually increasing. In order to predict the likelihood of network risks in real-time, a Time-Varying Markov Model (TVMM) for real-time risk probability prediction was proposed. The real-time risk probability prediction method...

The cellulose composite aerogels that were both high porosity and strong mechanical performance would have promising implications for bioengineering field; however, creating this aerogels had a challenge to choose compatible fortifier. Here we reported lignin as a reinforcement element to synthesis the...

In order to solve the instability of roadways in deep high-stress soft rock, this paper proposed four supporting schemes for controlling the deformation of surrounding rock by using the horizontal roadway of -980m level refrigeration underground chamber in Xinhe Mining. Grouting and full section anchoring...

The analysis of robustness of complex networks tries to find out the relation between the structure of a complex network and its robustness performance, which will be beneficial to some work such as network design. The robustness measurement of a complex network is defined at first to evaluate its robustness...

In this paper, based on the advantages and composition of ship electric propulsion system, the authors focuses on the ship future development prospects. The present situation and future development trend of the ship electric propulsion system are expounded from three aspects: the development of new energy,...

The hypersonic flow over a blunt wedge under freestream impulse wave is analyzed by direct numerical simulation and the nonlinear evolution of disturbance wave modes in the boundary layers is discussed. Results show that, under impulse wave, the thermodynamic mechanism and shear flow structure in the...

Using one-year-old wild Actinidia deliciosa as the experimental material, the effects of melatonin (MT) on the antioxidant system of kiwifruit seedlings under heavy metal Cd stress were studied by root irrigating method. The results showed that after MT pretreament, the contents of antioxidants (TPC,...

This paper proposes an algorithm for mixed near-field and far-field sources localization, using the trilinear decomposition (PARAFAC) model via second-order statistics of the received signal. We construct two second order statistical matrices of the received signal and use PARAFAC model to obtain the...

The raw water property changes greatly during the whole year leading to different sludge components and sludge characters in different periods. The Results of experiment on thickening property of sludge in water treatment plants of zhong-yin indicate that solid content of water waste is much higher,...

Miriplatin, a novel lipophilic platinum complex has been developed to treat hepatocellular carcinoma. An improvd synthetic route was designed and used to prepare the target compound. Pt(C6H14N2)I2 was reacted with CH3(CH2)12COOAg in water subsequently product was separated from AgI by dissolved in ethanol....

In order to reduce the design flaw and improve the productivity, the model of LED bulb assembly line based on the Fuzzy Hierarchical Petri Net is proposed. The process of LED bulb assembly line is given, and the hierarchical modeling based on FHPN is described. The model of LED bulb assembly line includes...

The paper obtains the equivalent stress of the two kinds of flexsplines after inserted into the wave generator according to the principle of harmonic gear reducer and using finite element method got different flexspline models with different length and length of the gear tooth to study how these factors...

The purpose of this study is to understand the mental health status of teachers in primary and secondary schools, analyze the causes of the problems, and put forward some suggestions to solve the problems. This study mainly uses the questionnaire survey method, the use of the mental health self rating...

The real time and continuity flight safety monitoring based on ADS-B raised to solve the ACARS report sparse uneven and time delay.The structure of real time flight safety monitoring based on ADS-B is proposed firstly, which monitor the human factors during flight. Then in the concept of practicality...

To study the dynamic effect of the prestressed braced steel moment frame caused by the sudden loss of a cable bracing, the instantaneous loading method is adopted to calculate the dynamic response of the remaining structure during and after the rupture of the cable with the simplified theoretical model...

From in-depth research on the basic principles and architecture of search engine, through secondary development for Lucene development package, this paper designs an entire search engine system framework, and realizes its core modules. This system can make up for the deficiency of the existing Lucene...

There are some problems existing in traditional image interpolation algorithms such as blockiness, blurring, etc. To overcome these problems, a novel image super-resolution algorithm based on edge detection and different filters was proposed. The algorithm firstly calculates an initial super-resolution...

Based on a long-span rigid frame-continuous combination bridge with corrugated steel webs, the seismic behavior of finite element model built by Midas Civil is analyzed through Pushover method, and the result is compared with the result from nonlinear time-procedure analysis. The outcome indicates that...

Mirco fault has strong concealment in seismic data interpretation, the fault which is not easy to identify tend to complicate the oil-water relationship in oil-bearing blocks. Combined with the feature of seismic profile reflection to determine the relative change trend of reservoir top interface depth...

Data mining is a very important step of knowledge discovery and it is through the establishment of mining model and through the implementation of the corresponding algorithm to complete knowledge formation. This paper analyzes the advantages and disadvantages of the management information system of wireless...

A tandem procedure catalyzed by CuI has been developed for the synthesis of 1,2,3-triazole thioethers. Treatment of iodo 1,2,3-triazole with sulfur and followed by reduction with NaBH4 and alkylation with alkylhalides or tosylates in one–pot forms various triazole thioethers under mild conditions. This...

Stroke is a common serious threat to human health and life. This article uses multivariate successive regression analysis methods discussed the relationship between incidence and average pressure, pressure difference, average temperature, temperature difference and the average humidity. Through statistical...

Under the background of the catenaries of the second double line of Lan-Xin Railway in strong wind zone, we established the finite element mode of the four-span structure with catenary, and compared the value of model elastic to verify the correctness. Besides, we get some useful conclusions from the...

For the dynamic and changeable market environment and personalizedproduct requirements and other new rapid changes of production demands, a new method of reconfigurable assembly line for mass customization is put forward. In this paper, firstly introducing its background, the current developing condition...

The operation corrosion in direct air-cooled condensers (ACC) had been widespread in china. Various water treatment devices were used for condensate water in order to control feedwater iron concentration below the limit according to guidelines, however direct ACC operation corrosion still existed and...

The railway locomotive signal is a signal installed in the locomotive driver's room to automatically reflect the operating conditions of the front of the train and instruct the driver's operation. It is very important to ensure the safety of the train. The traditional locomotive signal monitoring system...

Green campus is a concept for the implementation of sustainable policies within the scope of campus. One of them is for transportation aspect. One example of green campus guidance is UI Greenmetric, The policy on transportation in the guidelines is parking area reduction for private vehicles. The micro...

The leukocyte counts of Sahiwal and Karan Fries (KF) crossbred cattle in response to acute thermal stress were investigated. Six numbers each of Sahiwal and KF were exposed to acute thermal stress at 40°C and 50% RH for 4 h in a psychromatic chamber located at Karnal, India during the period when Tmax/Tmin...

We propose an approach for creation of a mobile version of a Trailer Backup Assist System. The System consists of a mobile device (tablet, smartphone, etc.) with a specialized software and two easily removable sensors with a wireless communication channel to determine the steering angle of the driver...

In article the approach to identification of defects roller bearings used in the various parts and components of mining machinery and equipment based on the wavelet transform of the vibro-acoustic signals generated by the various defects arising in the supporting elements of power transmission, transforming...

Based on a cofferdam project of Dalian, the global stability of cofferdam structure under the action of percolation force is calculated by simulation analysis methods. The study results show that the action of percolation force can effectively increase the stability for the out-sea side, but at the same...

This paper introduces the task allocation techniques with clustering and load balancing in the field of Internet to the field of image processing job allocation of alternative big data. It designs and realizes a load balancing cluster architecture for the alternative big data, and an improved load balancing...

Biochemical tail water of Printing and Dyeing industry is a typical low load and refractory wastewater. Its COD concentration is between 150-200 mg/L. In this pilot study, the effect of lignite-coke and ceramic filter in BAF treatment of dyeing and biochemical tail water was investigated. By comparison...

In order to characterize the interaction between the generalized load and the distribution network in the future, this paper summarizes the interactive mode between the generalized load and the distribution network under the environment of smart power supply first. Then, the evaluation index system and...

There is a very broad application prospects in incomplete noncircular gear reversing mechanism in the pumping unit, because of its advantage of automatic reversing and intermittent variable speed movement. Incomplete noncircular gears are usually based on empirical formula design, without considering...

the temperature and humidity of the received signal after processing is sent to the display shows the number, when the value reaches the initial settings required the relay to control the motor, closed, the dryer to stop working, the GSM module and the remote user information exchange, automatically...

Iron sand, a valuable mineral found in placer deposits, is difficult to identify and extract due to the constantly changing nature of beach placer deposits. Traditional visible light cameras mounted on drones are insufficient for identifying specific rocks and minerals. However, hyperspectral cameras...

Covid-19 has been a wake-up call for many people. The internet as the easiest source of information has become a necessity. This does not only apply to governments and corporations, but also to schools. SD Hang Tuah 7 Surabaya is one of the educational institutions that never uses the internet. Therefore,...

This paper examines six regression algorithms, namely Linear Regression, Lasso Regression, Ridge Regression, Decision Tree, Random Forest, and Support Vector Regression, to predict material composition and concrete strength. The data used is from previous research on concrete material variations and...

Greater Bandung Commuter line (CL) is expected to operate after the double-track construction and electrification in Padalarang-Cicalengka route in 2024 is completed. Among the route, there is Gedebage Station, classified as “operational station” (with no passenger that board or alight from), in which...

A successful product is a product that can fulfill the needs, wants, and expectations of its consumers. The success of a product, among others, is seen from the size of the product’s market share. To assess the potential success of a product based on consumer desires, a questionnaire is needed that can...

Advancing electrochemical water splitting for sustainable hydrogen production depends on the development of robust and efficient oxygen evolution reaction (OER) electrocatalysts. Nickel-based materials, such as nickel hydroxide (Ni (OH)₂) and nickel oxyhydroxide (NiOOH), are attractive candidates for...

This study investigates the development of sustainable composite brake pad materials reinforced with mechanically extracted pineapple leaf fibers (PALF) without chemical processing and aluminum chip waste. The work was motivated by environmental and health concerns associated with conventional friction...