Advances in Engineering Research

Based on typical historic landslide disasters in the Three Gorges Reservoir, in this short communication, the most important factors that are likely to induce landslides in the reservoir region were explored, and the new trends of landslide disasters after impoundment of the reservoir region were comprehensively...

Theory of constraint point out that the bottleneck is a major factor which restricts the system going toward the target. Therefore, the bottleneck is the key of scheduling process in entire system. In fact, due to the factors of long processing time, high cost and few amounts, spray booth machine become...

The circuit breaker and the relevant disconnecting switches of the hydropower plant have different varieties in large quantity. Due to the different specific operation processes of the switches, the simulation is quite complex. Adopting the graphical and modular modeling approach, classify the switch...

Exploration activities can not be separated from the measurement of geomagnetic method. Geomagnetic method is one of geophysical method that is often used and does not require big cost in exploration activity of tin. The use of geomagnetic method tools is very effective to reach a wide scale with a variety...

Aiming at the problem that the traditional attitude measurement cannot meet the requirements of small and unmanned aerial vehicles in industrial and civil areas in terms of weight, volume, and power consumption and so on, a UAV attitude measurement system based on MEMS accelerometer, gyroscope and magnetometer...

Factors that affect tree species suitability assessment especially for embankment shelter forest are very complex. And the information for assessment always has incompleteness, multiplicity and uncertainty. To solve the complexity and difficulty of shelter forest vegetation species selection effectively,...

A pot experiment was conducted to study the effect of selenium at concentrations of 0, 5, 10, 25, 50, 75 and 100 mg/kg on the growth of Capsella bursa-pastoris. The biomass, photosynthetic pigment content and antioxidant enzyme activity were measured. The results showed that 5, 10, 10, 25 mg/kg selenium...

In recent years, machine translation has made outstanding achievements, but there are also the problems such as fuzzy rules, insufficient data and improper order in the machine translation practice, which makes it still unsatisfactory. Machine learning can abstract learning features, and establish complex...

An economic efficiency model of spacecraft is developed. Besides, such economic efficiency indicators as profitability index and payback period of a project are designed. This model is modified to calculate the economic efficiency of a service spacecraft and as a result an overall index of project efficiency...

In order to improve the slope stability of open-pit mine, this paper proposed four prediction methods BP (Back Propagation)Neural Network, Naive Bayes Classifier, Decision Tree and Support Vector Machine for predicting the classification of slope stability of open-pit mine.Firstly, the sample data of...

Syzygium malaccense or also known as Malay Apple is one of Myrtaceous plants. It is originally found in India and Malaysia. This plant has strong potential which can be traditional medicine. In the present study, it has been done an isolation the chemical components from dichloromethane extract of the...

computer communication technology has entered the Internet era. Whether it is to buy the occasion effect or the application efficiency has been greatly improved. But it should also be clear that computer communication technology in order to bring great convenience to people's lives, to ensure its safe...

Reverse engineering (RE) is widely used on the aspects about designing of advanced products, software or images. The 3D Geometric modeling method is composed of measurement equipment and RE software. The three-dimensional digital measurement equipment is used to collect the model's point cloud data and...

A field experiment was carried out on an intertidal flat of the Yellow River delta to study the consolidation process of sediments under different salinity fields. Three test pits were excavated to simulate newly deposited seabed by backfilling well-mixed sediments with water in different salinities....

With the increase of the face database, the electronic computing is exponentially increasing, and the traditional face recognition method can't meet the requirement of real-time recognition. Optical actuator have parallel processing, fast features, and thus in the face recognition side and presents a...

As a kind of renewable energy, wind power energy has the characteristics of randomness and intermittence. The integration of wind farm will affect the safe and stable operation of power grid. Therefore, the accuracy of wind power output prediction is very important for power system operation and power...

In view of the fact that the existing large template construction accidents are complicated, combined with the project examples, we have established the risk evaluation index system of the tall template construction, and identified the dangerous sources during the construction of the tall template.In...

In this paper, the characteristics of TC4 titanium alloy material which is difficult to be machined by traditional mechanical processing were analyzed. Therefore, the short electric arc machining system was used to test the titanium alloy, and the influence of different machining parameters on the material...

The issue of children is a global public problem and is directly related to government programs and activities. To solve children’s problems requires commitment and accuracy of action with the intended targets. This research is oriented towards achieving goals, namely identifying children’s problems...

Wood has shrinkage properties, so it affects the availability of the maximum dimensions of wood available in the market. To meet the need for dimensions that are larger than the maximum dimensions available in the market, laminated boards and beams are made. The dimensions such as thickness, height and...

As electronics become more complex and able to do numerous jobs simultaneously, heat generation becomes inevitable. Therefore, to improve the devices’ capacity to dissipate heat, the heat transfer assembly is used. Electronic circuits and gadgets are more prone to malfunction when their operating temperature...

Digital transformation is a key driver of efficiency and effectiveness in construction projects in the Industry 4.0 era, but its implementation in Aceh faces specific local and operational barriers. These barriers include uneven internet and cloud infrastructure across districts, limited APBA budget...

The design method and production process are presented in this paper for the fully dry-connected prefabricated slab, which consists of lower base slab units, upper cover slab units and connection systems. The cover slab units, the base slab units, and the connection systems form a whole slab that has...

During a fire accident, smoke has been reported to be the main cause of heavy casualties. Hence, smoke management play an important role on escape. Fire Dynamics Simulator software (FDS) was utilized to carry out full scale numerical simulations of fire accident in a flat large space building. According...

China has experienced frequent outbreaks of sudden events in recent years, which have had a great impact on the stable development of society. In today’s environment, where China has implemented a strategy of coordinated regional development, and where population movements between regional cities have...

Reinforced concrete plays a crucial role in ensuring the strength and durability of building structures. Yet the community in Jagaraga Village has a limited understanding of proper reinforcement techniques. This study aimed to enhance the community’s knowledge and practical skills regarding reinforcement...

The cylindrical shell fused silica resonator is the critical component of a cylindrical vibratory gyroscope, and the quality factor is a key parameter to evaluate the performance of the cylindrical resonator. This paper focuses on the quality factor of the cylindrical shell fused silica resonator. The...

Based on the existing X-ray flaw detector, the writer tried to design a direct current supply system for X-ray flaw detector controller so that a portable DC X-ray flaw detector can be made in China to fit the need of the professional market.

Using Daqing natural sand packed tubular model, the length is 20 cm, 50 cm and 100 cm, and the permeability was (343~482)ž10-3 m2, the injection rate is 1m/d and the experiment temperature is 45 , by the experiment of dynamic adsorption, studying the interfacial tension changes and viscosity changes...

In this paper, theory analysis and experiment validation of probes based on laser triangulation and conoscopic holography were compared. The research was carried out based on small multi-axis measurement machine which was designed for rapid detection of aero-engine components. Standard sphere was measured...

The role of long non-coding RNA in endothelial differentiation of MSCs remains poorly understood. In this study, the levels of several lncRNAs including MEG3, MALAT1, SNHG5, lnc00657 and TUG1, which are high expressed in endothelial cells, were detected in hMSCs and HUVECs by real-time PCR. The results...

Bluetooth module has the characteristics of simple design, small size, better maintainability and so on, if it is used in vehicle equipment, it can achieve a lot of functions, which has important reference value for the research and development of driving safety equipment. Based on this a new Bluetooth...

Copper (I) complexes comprise an important class of luminescent materials in organic light emitting diodes (OLED). A Cu(I) complexes, [Cu(POP)(fluPy-Imidazole)]+ (1), where fluPy-imidazole = 2-(4,5-dihydro-1H-imidazol-2-yl)-5-(9H-fluoren-2-yl)pyridine, POP= bis[2-diphenylphosphino]-phenyl]ether, was...

This paper mainly introduces that intelligent human-machine interaction is realized by using the TI company’s DSP chip as the control chip in the embedded system. The design which takes the OCM320240T350--1C touch screen of Jingpeng company as a specific development object uses the DSP chip to control...

Introducing the present situation and the deficiency of current regulatory system of the quayside crane, propose a new method for safety assessment. Based on the AHP theory, the safety assessment method for quayside crane was studied, a sound method was proposed. Through the definition of the equipment...

With the development of society, all the industrial fields are now dependent on electric energy. An energy electric meter is a special instrument for measuring electric energy, its accuracy and reliability have a huge impact on people's lives. To ensure the reliability and accuracy of electric energy...

This paper presents the moment distribution method to compute the moment of continuous beam end, in which the operating functions of WPS are called. In this method, the bending moment of beam end can be calculated in PC system, just inputting the transfer coefficient, the distribution coefficient and...

With the need of environmental conservation and the global climate change, the issue of low carbon tourism becomes one of the main environmental solutions. Based on the pre-studies for cultural low carbon tourism development by using the expert questionnaires, the public perception was one of the most...

Using the carbon fiber material reinforced concrete structure technology is a kind of advanced technology which is widely used at present, But this kind of convenient and quick reinforcement technology is used in the large concrete structures more and more,On the contrary ,In the small and medium-sized...

The paper based on “limited rationality” and “replication dynamics” ideas of evolutionary game theory, assumes that military enterprise and civil enterprise prefer to adopt a fixed strategy, establishes an evolutionary game model of resource sharing to analyze the key factors affecting the relationship...

In the literature, mostly, pre-failure behaviour of the intact rock in static and rarely in cyclic loading is reported. In various earlier publications on the subject by the authors, pre-failure fatigue behaviour of intact rock is discussed. The post-failure behaviour of the intact rock in the laboratory...

Electronic conduction characteristics of parallel coupled triple quantum dot system are studied, in which external magnetic field and Rashba spin orbit interaction are considered. Conductance expression of the calculation system is given by using NEGF technology. The effect of Rashba spin orbit interaction...

The elastohydrodynamic lubrication model considering solid particles was set up. Taking effect of solid particles into account, the Reynolds equation was deduced. The elastohydrodynamic lubrication analysis of spur gear running-in was completed considering time-variant effect. Results show that oil film...

For solving the questions that the practical value of the existing nuclear-explosion-yield detecting methods are excessively low, based on the GM(1,1) and the precondition of plenty nuclear explosion test data opened by home and overseas, the new model detecting nuclear explosion yield has been developed,...

Large-scale accident which wind turbines are off the grid has happened in the base of Jiuquan wind farm. The majority of accidents are closely related to unreasonable operation technology and unreasonable run manner of 35kV system of wind farm, unreasonable selection of equipment.Study the wiring structure...

Natural ventilation represents one of the challenges in Malaysia public housing since the most significant and important parameters reflects the layout design efficiency is the thermal comfort within the indoor environment. This paper investigated the thermal performance of a public housing prototype...

Design is a design stage that has the purpose of designing a new system that can solve problems related to the selection of the best alternative system. Ergonomics is the science of other multidisciplinary learning that bridges some disciplines and professionals, as well as summarizes the information,...

Nowadays, electric vehicles (EVs) include electric tram becomes more popular with high promotion from the government. The advantage of EVs is no produces the pollution and environmentally friendly compared with the internal combustion engines. The fast charging EVs as the load of the power distribution...

In order to quantify the damage degree of fissure zone coal seams, research findings of quantitative description of fissure zone in China were presented in the paper, different opinions and methods of research on quantitative description of fissure zones were expounded, so were the processes of development....

This research aims to identify the level of organic rice farmers' decisions and the risks of organic rice farming. The research was conducted in the Kebonagung village of Imogiri district and Wijirejo villages of Pandak district Bantul Regency of special region of Yogyakarta with the survey and interview...

As the result of preliminary studies in the summer flora of the Makazhoy basin (the Chechen Republic), 10 species of higher vascular plants from… types and 30 families have been taken into account. Among them, the microstructure of the working surfaces confirmed the leading role of fatigue wear of polymeric...

The present study deals with the assessment of groundwater conditions both in terms of prospect and quality in the northern part of Mizoram, India. Advent of scientific techniques for identifying groundwater prospective areas and analyzing its quality enables us to save time and money. The study makes...

To discuss about choosing the parameters of bearing capacity with over-size transport passing the bridge, this study analyzes the characteristics of designing load of heavy transportation which are different from the general cars; according to the characteristics of accidental load of heavy-cargo transportation,...

Virgin Coconut Oil (VCO) is a pure oil obtained from the extraction process of coconut meat. Having a composition of 65% of the constituents of fatty acids in coconut meat is medium chain saturated fatty acids (MCFAs). The development of the current method of processing VCO is directed to methods that...

Solid waste generated in crystalline silicon cutting process (referred to as the silicon waste) was used to prepared color glasses. Silicon carbide and silicon in the silicon waste acted as silicon source and iron fragments as coloring agent. All components in the waste were fully used by vitrification...

Based on adaptive ant colony algorithm, this paper provides a global path planning for multi-robot fish in dynamic environment, so as to achieve better coordination between the robot fish by means of improving their path planning. The adaptive ant colony algorithm in combination with dynamic self-adapting...

Determining the location of videos is an important research direction of video data analysis. Sun shadow positioning technology(SSPT) is a method which was used to fixed position based on analyzing the changes of the sun shadow . Through the analysis of the shadow length data, the relationship between...

The structural and electronic properties of (Cr, M)23C6 (M = Fe, Mo) with a full composition range of Cr/M ratio were carried out by first-principles calculations. The phase stability was investigated by calculating the reaction energy. Results reveal that Cr22FeC6, Cr21Fe2C6, Cr20Fe3C6, Cr21Mo2C6 and...

Methods used for the determination of titanium content in titanium powder are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the titanium with high content, the sample...

This paper revealed the mechanical characteristics of floor in Gob-side Entry Retaining of Deep Mine according to the geological conditions and mining technical conditions of working face 1115(1) in Guqiao coal mine by using numerical simulation The characteristics of the vertical stress distribution...

Utilizing many specimens in full-scaled experimental testing to study the behavior of precast concrete connections can be expensive. An alternative is to cast and carry out a minimal number of experimental tests and then model the connection/structure in a finite element software. The FE model can be...

In this paper, a deep learning algorithm based on convolutional neural network (CNN) is implemented using pyhon and tensorflow lite for image classification on mobile. A large number different images which contains two types of waste, namely organic and anorganic are used for classification. The first...

The Indonesian government has implemented a resilience policy against the Covid-19 pandemic through the learning from home (belajar dari rumah/BDR) program and the fulfillment of the demands for the Guidelines for Cleanliness, Health, Safety, and Environmental Sustainability (CHSE) aimed at preventing...

Mongolia possesses over 3.6 billion metric tons of phosphate resources, predominantly located in Khuvsgul and Zavkhan Provinces. Despite this abundance, the country lacks industrial-scale phosphate beneficiation and fertilizer production, resulting in over 90% import dependency. Current national fertilizer...

This paper focuses on the application of the miniature group pile foundation in a 500kV power transmission project. It covers the project’s background, challenges, and the current research on such foundations. It details the stress and bearing performance of miniature group pile foundation and construction...

Logical and systematic thinking to complete case studies is needed so that the coding structure developed is easily understood by the system. But in practice there are still many students have difficulty understanding the concept of programming algorithms. PseudoLearn is an application that is used as...

One of the primary fields of aerospace study is aerodynamic profile design. Most of the current research focuses on the design of subsonic aircraft, but there is a gap in hypersonic aircraft. As a result, the aerodynamic configuration of hypersonic vehicles is the subject of this paper. The researchers...

As China’s traditional infrastructure market becomes increasingly saturated, urban development is shifting its focus toward optimizing existing spaces and enhancing functionality. District development has emerged as a key strategy for promoting high-quality urban growth. However, due to various internal...

This article focuses on the current research status of the application of nanomaterials in 3D printing. Based on existing literature, it deeply analyzes the key mechanisms of nanomaterials such as nanometals, nanoceramics, and nanopolymers in enhancing the strength, functionality such as electrical conductivity...

To evaluate the difference in reinforcement effect between vacuum preloading without sand cushion and conventional vacuum preloading for deep soft foundation, field comparative tests are carried out. The results show that the surface settlement during vacuum preloading without sand cushion is about 17%...

To investigate the phenomenon of smoke spread between consecutive tunnel openings, this study employs STAR-CCM+ to establish a numerical simulation model of continuous tunnel fires. Various factors, including fire origin location, fire size, and longitudinal wind speed, are analyzed for their impact...

This study aims to design and characterize the static stability of V-tail and fixed-wing Unmanned Aerial Vehicle (UAV) configurations purposed for UAV platform units for pilots and anti-drone training. Manufacturing and maintaining an easy and inexpensive airframe with quality that can be used for training...

Road maintenance information system in Geographic Information Systems (GIS) is able to give the maximum contribution to the inventory, planning, and road handling. By using Geographic Information Systems, the data that have been obtained can be shown directly by their location in the field. It also can...

This study employed a process targeting technique to evaluate thermodynamic, environmental and economic feasibility of the synthesis of methanol and acetic acid (AA) from waste tyres and forestry waste (pinewood waste). The results revealed that the synthesis of methanol from waste tyres and pine wood...

The inner tire significantly determines the effectiveness and efficiency of a commercial transportation vehicle. The inner tire is expected to have high durability against friction with the outer tire and a high tensile strength to prevent it from bursting under heavy loads. To address this issue, the...

The wellbore chemical anti-scaling technology is one of the effective ways to enhance the maintenance time of pump in the ASP flooding. This study investigated the different amount of calcium ion, silicon ion and scale inhibitor influenced the anti-scaling performance of the simulation system. The result...

Collection and acquisition of water meter, electric meter, heat meter and gas meter is an effective way to im-prove the intelligence and automation level in the energy field. In this paper, the data collection technology scheme of public utilities was introduced. Using construction achievements and experience...

Rhymes with the large amount of energy loss during the operation cycle of machine tools, environmental contamination occurs simultaneously. To cut down the energy cost, there is a growing need to research into the basic rules of energy consumption of machine tools. This paper focuses on the energy consumption...

Cellulose insulation was introduced into Korea in the 1980s when several small companies started production. The cellulose industry in Korea is still in an early stage of development with current production of about 1000 tons a year. The Korean equipment used to produce cellulose insulation was imported...

Ascribe to global energy crisis and civil conscious of energy conservation as well as strengthened environment protection, as one of the largest way of using water in life, bathing is getting more and more attention. We establish a two dimensional model to consider both the time and space. And considering...

In Cold Spray, bonding is formed between substrate and the particles and between particles by impact which causes material deformation and temperature rise. During impact process, plastic deformation and frictional interaction of materials generate heat and strains/stresses. In this paper, a numerical...

Creation of optically transparent superhydrophobic surfaces has increased extensive attention in the self-cleaning area. In this work, flexible, optically transparent superhydrophobic surfaces were fabricated by coating the conjugated microporous polymer on poly(dimethylsiloxane) (PDMS) substrate over...

Micro controller computer is a kind of common electronic products, and it is often used for temperature detection in electronic devices. This paper will make full use of the advantage of micro controller computer to design an intelligent water dispenser with the temperature detection and control function....

A PLC (Programmable Logic Controller) control system for a stacker translation stereo-garage is presented in this paper. Firstly, the overall scheme of the stacker translation stereo-garage is proposed according to user requirement, and the structure scheme and automatic parking and taking flow of a...

With knowing the congestion states of end-to-end paths, network Boolean tomography is able to identify congestion links without direct monitoring. Most of existing work on network Boolean tomography uses the loss-based metric to determine congestion states of paths. However, such metric often needs to...

Heterotrophic bacteria play important roles in the biogeochemical cycling of key elements and serve as crucial links between dissolved organic carbon and sinking particles. Trace elements can directly and indirectly affect heterotrophic bacteria abundance. Two microcosm experiments were onboard in different...

A village of Yubei, the typical area of north of Henan Province was selected. A field study was conducted in the traditional adobe house and newly built brick house, indoor and outdoor temperature, relative humidity and other indoor thermal environment parameters were obtained in winter. The results...

In order to test the effect of surface soil resources in highway construction,surface soil resource is used as the external-earth base material to conduct the external-soil spray-seeding greening test on the expressway slope. Research results show that using surface soil as main external-soil base material...

Augmented reality technology is to integrate computer-generated three-dimensional virtual objects seamlessly with objects in real situations, thus providing a complementary and visual enhancement to the real world. In this paper, we set up a set of transformer evaluation index based on augmented reality....

To strengthen environmental protection, the implementation of ecological sustainable development is the theme of our human development, which leads to the formation of sustainable development concept of green building. This paper firstly introduces the green building system, and then analyzes the energy...

At present, 300MW generating unit serves as the main facility in power plant in China. This paper analyzes the optimal operation of 300MW generating unit boiler. By constructing the models of waste heat loss q_2, air non complete combustion heat loss q_3, solid non complete combustion heat loss q_4,...

Taking 2-1 coal seam of Zhao GU second mine of Henan Coal Mine Group as the background, the article analyzed the relationship between stress of deep mining coal and rock mass and permeability, and studied the relationship between oriented flow channels namely the Gas Channels of deep mining coal and...

A new method for measuring the frequency of power system based on support vector machine is proposed in this paper. This method used the exploratory way, under rare sampling points, to fit the original signal with a single frequency curve. Then, through comparing the amplitude, the power system frequency...

Among the most developed renewable energy sources, wind energy attracts the most research attentions. Wind energy is easily captured far away from the places where wind energy is used. Because of this unique characteristic of the wind, the generation and delivery systems of the wind energy need to be...

In this paper, variations of loss factor and storage modulus of Alkali-Activated Composite cementing materials (AAC) made from slag and fly ash and Ordinary Portland Cement (OPC) were studied at the temperature rising period from 40 to 200 by using Dynamic Mechanical Analyzer (DMA). The study showed...

A new and effective analytical method is presented for the acoustic multipole sources in isotropic tubular structure filling liquid metal sodium whose symmetric principal axis is parallel to the tube axis the exact solutions could be found. In this paper, the new method is adopted to simulate the general...

The steel reinforced concrete structure is widely used in the large space structure with its excellent mechanical properties, superior economic performance and outstanding comprehensive benefit. This type of structure is a combination of structure, section steel, steel bar, concrete and other components,...

This design of dual fuel controller is out of consideration to start the engine by using methanol gasoline of different proportioning since the calorific value of methanol is lower than that of gasoline. Adjusting the low- level width of injection pulse control signal from ECU and increasing the fuel...

In this paper, the detailed mathematical models are established for solid oxide fuel cell-humid air turbine (SOFC-HAT) combined cycle system, and the performances of the combined system are analyzed under variable conditions such as the fuel flow, pressure ratio and turbine initial temperature. At the...

In order to explore Rhizobium medium production using leaching liquor of green corn straw. Corn stalk powder extract solutions (CSE) are obtained and suitable carbon sources (glucose) were supplemented as liquid and solid Rhizobium medium. Compared with the yeast extract mannitol (YEM) medium, Rhizobium...