Advances in Engineering Research

Vehicle terminal is the main information source of vehicle networking, and also the key technology. Combining GPS, GPRS, CAN bus, sensors and embedded technology advantages, and based on the theory of public transportation intelligent terminal system, the design method of car networking and intelligent...

Abstract. To observe and analyze the application of the high-fidelity integrated simulation persons in the emergency nursing teaching effect. Methods: We select our hospital nursing 200 students that are divided into experimental group (100 students) and the control group (100 students). The experimental...

With the increasing capacity of PV systems in the grid, the grid-connected PV systems will have negative impacts on the grid in the case of a disturbance or a fault. In this study, a strategy of ‘DC voltage control’ is adopted. During the period of low voltage ride through (LVRT), the duty cycle of the...

Reinforcement corrosion in concrete is an important factor that affects the durability of reinforced concrete structures. In marine environment, especially, non-longitudinal cracks accelerate the intrusion of chloride ions into the concrete structure. Chloride ions destroy the passive film on the surface...

Fiber-optic icing sensor is a kind of light-intensity-modulation sensor. It can indirectly measure the ice thickness based on light intensity. To increase measuring scope of the reflective fiber-optic icing sensor, a fiber-optic icing sensor with multi-light paths is presented. , a set of fiber array...

To get good outdoor ventilation and create shadow areas, piloti is commonly used in tropical and subtropical climate zones, but there are few studies reveal the comprehensive influence of piloti on wind environment in residential blocks, and furthermore, a coupled simulation method, which offers high...

Photoelectric tracking system is widely used in space exploration, manipulation, laser communication and other fields. The implementation of ATP system is the key to achieve tracking.The use of double-closed loop control can give the system a higher stiffness, improve the system's anti-interference ability.The...

The dynamic responses of jack-up platform, in floating state, are calculated numerically. The finite element models of a jack-up are made. And the dynamic responses of the jack-up are simulated when the spud-can is driving downwards at different depths while the jack-up platform is floating on the sea[1]....

The failure process on the plain weave CFRP composite laminate under three-point bending test was monitored by acoustic emission (AE). Failure process was divided into stage I, II, and III based on the energy distribution along with the mechanical results. Moreover, various failure modes in every stage...

Based on Hoek-Brown failure criterion, selecting the plastic shear strain as strain-softening parameter and considering elasto-plastic coupling, the approach of solving nonlinear relations between stress and axial strain, hoop strain and volumetric strain in the post-peak region was proposed by modeling....

E-mount granite Pluton is located at the southwest part of Yangtze plate . To understand the formation environment of K-feldspar porphyritic granite from E-Mount approaches such as major and trace element analysis and zircon LA- ICP-MS U-Pb dating are used. According to the tests and analysis results,...

Middle phase microemulsion flooding is an effective approach to improve reservoir recovery. Using orthogonal experiment, we obtain the preparation of middle phase microemulsion formula of oil displacement system. Scanning respectively SDS concentration, concentration of n-butyl alcohol and Na2CO3, we...

Epimedium is a kind of traditional Chinese medicinal materials, which is regarded as, at present, the one of the most valuable medicinal plants in China. The chemical components of Barrenwort mainly contain flavonoids, phenol glycosides, chromones, phenylethanoid glycosides and steroids, which are verified...

A solar grain drier with a sun drying system and vacuum glass was developed and the corresponding water potential model was established in this paper. It was shown from the simulation analysis of the grain drying process that the moisture content of grain could increase to14.0368% with increasing the...

The pressure wave transmitted in the non-Newtonian drilling fluid is widely used for the information transmission in Measurement While Drilling/Logging While Drilling technology. It is essential to get the friction model in the non-Newtonian drilling fluid to evaluate the signal attenuation. A model...

This thesis studies SRS noise estimation method with multi-users in the Long Term Evolution(LTE), and proposes a Discrete Fourier Transform (DFT) time-domain filtering algorithm based on interference cancellation. By calculating signal power in the system protecting band, decision threshold of time domain...

The network fracturing has become the key technology to develop the tight oil reservoirs. This fracturing technology creates a complex fracture network in the stimulated region. The primary goal of this paper is to optimize the fracture system conductivity in tight oil reservoirs, and to analyse the...

The pump operation condition and configuration are closely related in water injection system, but the existing operation optimization is carried out in the given pump configuration. In order to optimize the operation condition of the new-built system, the pump configuration and operation parameters are...

The microwave pyrolysis of the low-rank coal is a new technology, which solves the utilization problems of coal cleaning conversion. On basis of experiments, this paper conducted comparative study on microwave co-pyrolysis products of low-rank coal under H2 and N2 atmosphere, respectively. The composition...

In this paper, a novel three-phase four-wire photovoltaic system is proposed for the compensation of harmonic, reactive and three-phase unbalance in the distribution network and the demand for renewable energy generation. A novel three-level DC/DC converter is adopted for photovoltaic arrays and energy...

This paper presents the development of an underwater plasma for wastewater treatment. A treatment reactor made of acrylic with multiple stainless-steel rods as the cathode electrode and stainless-steel plate as the ground was used. To find the suitable frequency for treatment, 25 kV pulse high voltage...

The paper presents the measurement results of construction and finishing materials, agricultural products (honey) on the content of radionuclides in Penza and Penza Region. The obtained dependences allow confirming the dependences between a radon exhalation, type of construction and finishing materials....

Rock fracture propagation is a major hazard for mining and tunnel excavation in fractured rock masses or coal seams. This paper describes a study of investigating the mechanisms and pathways of rock fracture under uniaxial compression. A rock-like material which consists of model gypsum, water and diatomaceous...

Pityrogramma calomelanos is fern in the Polipodiaceae family that grows in tropical Asia including Indonesia. This research aims to determine the molecular structure of phenolic compound isolated from the dichloromethane extract of the silver fern’s aerial part and toxicity activity test. The extraction,...

PSS2B is a kind of dual-input power system stabilizer which takes rotational speed deviation and electrical power deviation as its inputs. The shaft torsion signal introduced by the rotational speed deviation have an effect on the low frequency signal each other. The interactions affect the parameters...

Recommendation system has been one of the subject of intense in Computer Science, and it is widely used in Information Science. Various types of e-commerce systems and a large number of Internet applications need to use recommendation system to support their service. Recommendation system is aimed to...

A series of V2O5-CeO2/TiO2-SnO2 catalysts were prepared with different CeO2 content to investigate the effect of Ce modification for selective catalytic reduction of NO by NH3. The obtained samples were characterized by BET, XRD, HRTEM,H2-TPR and FT-IR. The catalytic test was also investigated on a fixed...

According to various problem of oil contained bearing of metal link burned, it is done as relation study of grind coefficient and oil leak, temperature rise and load pressure. The result is given that oil leak is more serious in the condition of higher pressure and lower speed, and grind coefficient...

When rectifier station of LCC-HVDC has power fluctuations running at large load, AC filters controlled in groups at rectifier station are switched frequently. That problem potentially has impact on service life of corresponding circuit breaker and threatens the safe operation of the DC system. In this...

According to the thermal equilibrium equation, the resistance value of the film is converted into the air flow rate, and the flow rate is converted into the wind pressure by the Bernoulli equation. The wind pressure is detected based on the film resistance. Using the digital filter to remove the collected...

This research is purposed to examine between emotional maturity and couples-social adjustment on commercial aircraft crew (pilots and flight attendants) with their partners. This research involved 90 respondents (45 couples) with ages ranging from 18 to 62 years old. We use a quantitative method with...

Nutmeg (Myristica fragrans Houtt.) is a native commodity of Indonesia. Propagation of this plant is relatively difficult and takes a long time for germination because of its hard seed coat. This study aimed to evaluate the effect of scarification and gibberellin (GA) application on the nutmeg seed germination....

Cellular damage induced by free-radicals like reactive oxygen species(ROS) has been implicated in several diseases. The ROS radicals like alkoxy radical(RO-) and peroxy radical (ROO-) are similar to those that are physiologically active and thus might initiate a cascade of intracellular toxic events...

Batik Sidomulyo Batu City is one of the hand-crafted batik Small and Medium Enterprises (SMEs) that uses synthetic dyes. The use of dyeing technology in batik making process generates a large amount of wastewater, which can lead a harmful effect to the environment. To date, Batik Sidomulyo SME uses two...

Acid mine drainage (AMD) is a mining-related problem that is causing harm to the natural ecosystem. The AMD originates from oxidized and sulfide ore stockpiles and contains high concentrations of dissolved copper and other contaminants. Therefore, many applications have been taken account into to process...

Air transport has become the primary mode of connecting global regions, supporting international trade, cultural exchange, and economic growth. Data from Indonesia’s Central Statistics Agency (BPS) shows a significant contribution of the transportation and warehousing sectors to the country’s GDP, reaching...

This study introduces an AI-powered system using a customized ResNet50 model to enhance lung disease diagnostics through image analysis. Our model accurately classifies lung conditions, including adenocarcinoma, squamous cell carcinoma, and benign tissue, achieving 93.25% accuracy compared to the standard...

China is currently in a stage of rapid aging. Traditional living circle planning, mostly based on the mobility standards of ordinary adults, cannot adequately meet the needs of the elderly for living facilities. Based on this, this study takes Liwan District of Guangzhou as an example to quantitatively...

The purpose of this study is to classify drought zones on Flores Island, Indonesia, using the Extreme Gradient Boosting (XGBoost) algorithm. XGBoost is well known for its ability to handle tabular data with high complexity. However, previous studies have shown that the performance of XGBoost largely...

With the continuous growth of global energy demand and the increasingly severe environmental problems, the development and utilization of new energy have become the focus of attention for countries around the world. Among numerous new energy sources, wind and solar energy have received widespread attention...

This paper aims to explore the features of capital structure and related financial strategy of circular economy corporates as well as their inter-relationships. The methodology adopted is obvious of some inventively combined methods, since previous researches have seldom studied this field and few conclusions...

In this paper, Effect of different contents of Ce on ZK20 magnesium alloy by conventional metallographic, X-ray, SEM, XRD, analysis of Ce element exists in the form of ZK20 magnesium alloy and microstructure of action the results show that: in the experimental range (0% ~ 0.68%Ce (mass fraction)), with...

A pot experiment was conducted to study the effects of exogenous melatonin (MT) on photosynthetic characteristics of radish under aluminum (Al) stress. Five treatments were used in the experiment: seeds were soaked with 0 (CK), 50, 100, 150 and 200 mol-L-1 concentrations of melatonin solution. The results...

With the popularization and application of cloud computing services, cloud storage has become a typical representative of cloud computing services. But meanwhile, we must also recognize that the problem of storing data in a cloud environment can be brought to us. In this paper, we propose a cloud data...

One new organic-inorganic hybrid materials of complex Ag2ClO5N5C28H22 (1) was synthesized by evaporation methods using 2-Chlorobenzeneacetic acid(2-CBAA), 4,4'-dipyridyl (4,4'-bipy), and AgNO3. And the complex was characterized by elemental analysis, FT-IR, thermogravimetrie analysis(TGA), XRD, X-ray...

A kind of distributed array structure micro channel heat sink is studied in this paper. The fluid height and the ratio between fluid and channel are optimized by computational fluid dynamics (CFD) thermal-mechanical coupling method. The typical heat sink is fabricated by UV-LIGA and non-silicon MEMS...

Selecting the appropriate seismic response spectrum function, using the finite element software of Midas-Civil to establish the model of tied arch bridge. At the same time, the internal force and displacement response of the bridge key interface of the vertical is analyzed by using the response spectrum...

In order to determine the drilling gas drainage radius, several different spacing drilling group were set up, and the relationship between drill pumping rate and the drainage time was solved through the relationships between drill gas flow and drainage time. Then on the basis of objective standards in...

In this paper, the concept and principle of quantum radar are introduced in detail. First The Quantum radar mode using entangled photons is discussed, and the simulation scheme of quantum illumination is designed. Then, the principle of each module is analyzed, and simulation programs are finished with...

Through 4 weeks HiLo training of 72 SD male rats, some very obvious changes of Rat skeletal muscle SDH was found in a quiet state. Some changes of SDH were found immediately after exercise but not obvious, but three hours later after exercise the change of Hypoxia and exercise compound group was more...

Based on the Mindlin solution of stress distribution under internal point load in semi - infinite space, this paper presents a new Practical Algorithm for the tip bearing capacity of large diameter pile based on displacement control. First, use the Mindlin solution under circular uniform load to derive...

The mathematical models of compressor, evaporator and condenser in a refrigerated container’s refrigeration unit were established, which were used to form the whole system model for steady-state simulation according to the coupling relationship among them. The full-load performance of the refrigeration...

In this paper, by adding different additives in Solar Two molten salt in order to form multiple composite molten salts. And testing the thermal performance of mixture molten salt can be comparatively analysis of the modification effects of different additives. The melting point and latent heat of mixture...

In this paper, a new type of foam concrete (FC) incorporating ceramsite as a lightweight coarse aggregate was prepared, i.e. ceramsite cellular concrete (CCC). An experimental research was conducted on its thermal properties to clarify the correlation between thermal conductivity and density, compressive...

Pedestrian Evacuation Simulation can be used to support developing the evacuation solutions for subway stations. Although the pedestrian evacuation based on general purpose processors acquire good effect when the simulation scale is very large. We investigated the effect of the layout of subway stations...

Synthetic nanomaterials have the disadvantages of large-scale investment, high energy consumption, complex production process and heavy environmental load. Palygorskite mineral nanofibers are typical porous materials widely existing in nature and have the advantage of high surface area, moderate cation...

Due to the fact that the German Railroad reduced the maintenance work on the important railway line Nuremberg – Regensburg, section Deining - Batzhausen they had several cases with blocks laying at the tracks. Therefore they decided to stabilize the 70° steep weathering prone sandstone slope. As a protective...

The warehouse management mainly consists of the processes of warehouse entry, warehouse delivery, storage moving and inventory verification. In traditional warehouse management, bar-code technology is widely used while the RFID becomes more and more popular in the modern warehouse management. By contrast,...

With the ocean having become the hot of new energy development there is a sharp increase in the investment of ocean energy development. Dozens of unites have carried out researches of ocean energy technology under the National Marine Renewable Energy special funds to support. With the depth of the projects,...

This paper presents an UUV’s hydrodynamic modeling method, where the hydrodynamic coefficients are calculated using both of theoretical and empirically-derived formulas. The vehicle is developed for the purpose of overcoming strong sea current. For this reason, the vehicle has the flattened ellipsoidal...

The development of medical Internet is fast, so the related laws and regulations fail to keep up with the pace of its development. If a doctor practices online, there is no clear regulation and rules. At the same time, domestic clients haven’t the habit to pay for the medical service from the Internet....

The industry-university-research collaboration is the driving force for the innovative city construction. The innovative city construction can promote the development of the industry-university-research collaboration. This article empirically studies the interaction between industry-university-research...

Cloud computing is a new computing technology with great potential value. It utilizes large-scale hardware and virtual resources to provide users with dynamic application services. In order to maximize the use of cloud resources, give full play to the maximum potential of cloud computing, mining efficient...

Methods used for the determination of potassium content in potassium hydrogen phthalate 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 potassium with high...

Starting from the actual background of animal husbandry as an important basic industry of social economy, the information fusion industry alliance member enterprises build the industry knowledge base in the process of building livestock ecological management platform. This paper takes into account the...

The microstructure of waterproof sheet in corrosive water environment of underground engineering was studied by using X-ray CT technology, and the indexes characterizing the failure of material impermeability were explored. Distilled water and NaOH solutions were prepared to simulate corrosive groundwater...

Densities of diglycine in aqueous solutions of L-alanine and L-serine were measured at 298.15 K and 310.15 K. The standard partial molar volume , standard partial molar volumes of transfer have been determined. The results show that, the values of diglycine are positive and vary in the sequence L-serine>L-alanine....

In the past decades, Depression, Anxiety and Stress (DAS) became a serious health issue in the society over all parts of the world. It can be measured by Depression, Anxiety and Stress Scale (DASS) which consists of a set of questionnaires. Several techniques are proposed to validate the DASS level and...

Riau Province is an area that has the largest peatland in Sumatra, namely 4.044 million ha (56.1% of the Sumatra peatland area or 45% of the land area of Riau Province). Peat soils have a low bearing capacity, a high degree of compressibility, and high water content. So peat is unfavorable to support...

The Sriminosari village is a coastal village in East Lampung district that had mangrove forests. Now, mangrove forests of Sriminosari used as a mangrove ecotourism area and will be developed as a form of proper management to ensure the conservation and sustainability of rehabilitation while simultaneously...

The structure of the solar power plant is given. The issues of optimization and location of objects on the ground are considered. An assessment of electricity losses on internal lines was estimated.

To reduce the carbon foot prints of recycling, reuse of the waste of the CNC industries is the focus of attention. The present research intends to use CNC waste in the polymer composite which reduces the waste in the landfill encourages to the sustainability of the environment. In the present work CNC...

IoT-based precision irrigation optimizes agricultural practices by using real-time sensor data to automate irrigation systems. Unlike traditional, labor-intensive irrigation systems that waste time, energy, and water, modern sensor-driven systems enhance efficiency, conserving resources and increasing...

This study aims to assess the seismic vulnerability of soft ground stories and propose potential solutions by comparing the use of concrete shear walls and steel bracings at the ground level. In our country, soft-story buildings are commonly used, with many multistory structures leaving the ground floor...

In recent decades, special considerations have been given to the use of fire safety analysis on modern concrete buildings. The considerations include the stability of building which providing sufficient time for the occupants to evacuate and for firefighting. This paper is mainly concerned with the performance...

Personal Identification Numbers (PINs) are the structure blocks of contemporary security systems, but conventional means of inputting them—typing on physical or virtual keypads—leave users exposed to serious threats. Systems such as shoulder surfing (in which attackers visually monitor PIN input) and...

Ensuring the flatness and verticality of the formwork system during building wall construction is crucial. However, challenges such as limited space on site, uneven formwork surfaces, and difficulties in establishing a datum point hinder accurate assessment of formwork flatness. Therefore, developing...

Nusa Putra University has a mechanical engineering workshop with various tools including the SMAW welding machine. Students use this machine to do practicum and learn how to increase the welding skills. However, the air circulation does not support welding fume release. A Fume Extractor is a system that...

The dynamic compressive experiments of 2D-C/SiC composites under low temperature were performed on the SHPB system. The low temperatures at 173K and 103K were obtained by controlling the ratio of the absolute alcohol to the liquid nitrogen. The wave shapers were designed to meet the requirements of stress...

Since data mining methods and technology, the most basic and most important method is statistical methods and statistical theory also spawned a number of new data mining methods, the study of data mining and statistical methods can be applied not only to practitioners use data mining to provide advice...

Non-destructive testing technology of a steel bar with crack are analyzed and discussed based on vibration characteristics method. The natural frequencies, mode shapes and modal curvature modal for crack of steel bar were analyzed using the method of finite element analysis. Thus it is concluded that...

The effects of exogenous melatonin on growth and physiological characteristics of Shepherd's-purse seedlings under salt Stress were studied by spraying 5 different concentrations of MT (0, 50, 100, 150, 200 mol-L-1) solution on leaves in Shepherd's-purse seedlings. The result showed that spraying MT...

The pressure correction method based on N-S equation, using the split SIMPLE algorithm, the crosswind conditions of pantograph's aerodynamic characteristics numerically simulation analyzed. The results show that with the wind direction increasing, the pantograph's aerodynamic load is nonlinear, the lift...

In this paper, a commercial finite element software, ABAQUS was used to simulate the influence of friction coefficient on copper alloy process by Equal Channel Angular press technique. The geometry of the simulated samples is 7.3mm width by 50mm long. The die is analytical rigid, and the process was...

In this paper, a mathematical modeling is set up based on the trigger equipment of light electric vehicle speed control system, and the unit step response curve of dual closed-loop speed control system is given by using the simulation software simulink. A conclusion can be drew that the unit step response...

In linear vibration system, it is difficult to determine the relationship between generalized coordinates and the natural frequency and to obtain the coupling relationship between generalized coordinates. Therefore, based on the MATLAB language the energy decoupling method is used to calculate the energy...

Response Surface Methodology (RSM) is employed to optimize the polysaccharides extraction technique of Catathelasma ventricosum. This experiment adopts extraction temperature, extraction time and feed liquid ratio as the influencing factors. The polysaccharides extraction amount of Catathelasma ventricosum...

The Jingjiang River is the reach of Yangtze River just downside of the Three Gorges Reservoir (TGR), and most oftenly threatened by the flood. In this reach the natural flood normally routed as kinematic wave, but since TGR put into operation the outflow can be changed dramatically once the controlling...

The tobacco leaf baking quality can be effectively improved on one hand, and overall baking time can be shortened to certain extent on the other hand by improving temperature in curing barn and uniformity of airflow organization distribution, thereby lowering energy consumption of baking. In the paper,...

Blow-by of crankcase should be led into intake system and burn it again to protect environment. This study examines effect of crankcase blow-by on formation of particle. By controlling the flow of crankcase blow-by to atmosphere or intake system, number concentration of particle distribution was measured...

One of an H bridge Cascaded multilevel inverters was studied and designed. In this paper, the basic topology of microcontroller based H-bridge cascade multilevel inverter and the realization principle of control system are introduced. The principle and control strategy of the inverter are studied and...

The microstructure (before and after quenching), phase (before quenching), carbide content and hardness were studied by scanning electron microscopy, X-ray diffraction, optical software and Rockwell hardness tester. The results indicate that carbides of Cr5 steel have different morphology features and...

Based on the Shenzhen Bay Bridge which is located at the center of park cultural landscape, so it has important requirements of improving environments , protecting the environment and beautifying the environment. the bridge is optimal designed to be a flying swallow type curve special-shaped composite...

The paper deals with life-cycle cost analysis in relation to public contracts. Public contracts in the Czech Republic are a very sensitive and frequently discussed area where the safe price, which would not include other investment in both implementation and usage phases of the facility, is discussed...

The paper describes the research conducted in the NSTU named after R.E. Alekseev to design and create clutch linkage of the multispeed manual transmissions with automatic control and pneumatic actuator. It represents a general scheme of the transmission and clutch control, design model of the clutch...

This paper deals with the manufacture of electronic design of digital systems with HDL programming language. HDL design synthesized using Leonardo Spectrum software, it means HDL design that has been designed to be compile on IC design technology, so it can be translated into the form of schematic and...

A improved dynamic parameters model is presented based on cellular automata in this paper.The dynamic parameters: Direction-parameter, Empty-parameter and Cognition-parameter are formulated to simplify tactically the decision-making process of pedestrians, which can reflect the pedestrian judgment on...

With the extensive application of network, massive growth in the scale of data through cloud computing has been observed. Cloud computing is a powerful technology to perform complex computing, and applications running on cloud computing with Hadoop architecture are increasing. In this paper, after studying...

Population migration trend is a new kind of evolutionary algorithm proposed recently, which simulates the principle of Population Migration. In this paper, the new search of mechanism is proposed to predict the population migration trend for the visual effect to the convergence of the ASFA(Artificial...

Fly ash is a commonly used concrete admixture, which can improve its durability. In this paper, a series of experiments were made to study the influence of the amount of fly ash additive on the mechanical properties and shrinkage properties of concrete, which provides reference for the preparation of...