Advances in Engineering Research

Porous oil retainer is a key factor to ensure good lubrication of the inertial navigation bearings. The PTFE/PI porous retainer made of the original recipe and process preparation, in the high-speed operation, will appear serious wear, high temperature rise, a large amount of oil loss in the micro pores...

The transmission path of planetary gearbox is complex and the fault signal can easily be submerged in the noise signal, so a novel method for fault diagnosis of planetary gearboxes was proposed in the paper, which combined the simulation modeling with the sensor signal processing. Through the dynamic...

Seed longevity could be described as a measure of seed viability after being stored for a certain period under particular conditions. Viability may vary due to genetic factors. The variations can be evaluated using physical and physiological quality traits such as seed weight, viability, and vigour....

Ageratum conyzoides L., belonging to the family Asteraceae, is an annual herbaceous plant and is an invasive weed. It contains bioactive compounds that are reported to possess therapeutic properties. The species has been studied widely owing to its biological properties and its potential application...

This article proposed multi-project thinking for planning of production of oil products, allowing one to take into account both complication of such projects and influence of uncertainty during their realization. The scenario planning and a model of сhoice under uncertainty are used. A procedure of payoff...

The article presents brief description and results of laboratory and in-situ tests of frame support with backfilling of behind-anchoring space with grout. Characteristics of mining and geological conditions on the site of inclined conveyor shaft of Sychevskiy-I mine-section, A.D. Ruban Mine (JSC SUEK-Kuzbass)...

Sorogan-Bandongan is an integrated lecture model coming from the traditional learning that are implemented at Islamic boarding school in Indonesia. It starts with Sorogan and ends with Bandogan. The implementation of integrated lecture model of Sorogan-Bandongan with stages of students reading and doing...

In order to solve the modeling problem of biochemical oxygen demand (BOD) in wastewater treatment process. This paper proposes an online BOD predictive method based on Laplacian Eigenmaps - Relevance Vector Machine ( LE-RVM) . First, the easy to obtain the parameters of the wastewater treatment process...

Identifying non-uniform cracks in plates is a challenging problem worthy of exploration. 2D modal curvature is often utilized to detect damage in plates, but its capability to precisely identify non-uniform cracks has not been resolved well, largely due to two noticeable deficiencies, lack of sensitivity...

In order to improve the processing efficiency of after-sales quality problem for aerospace electrical connector, the approach of after-sales quality problem management is studied. The requirements of after-sales quality problem management under the information environment are analyzed. The process model...

In view of the fact that hybrid uncertainty presentation and propagation with dissonance or imprecision information in risk assessment, a variable steps size discrete random set method is proposed. Various types of incomplete and inaccurate information were transformed to random set formation by the...

According to multivariate chaotic time series prediction problem, this paper establishes a multivariate chaotic time series forecasting model with nature structure import data based on NARX neural network. The simulation research of Lorenz chaotic time series proves that the forecasting precision of...

Taking the railway track construction practice of ning,an intercity railway as an example. Emphatically discusses the CRTS type without a frantic jumble rail construction technical preparation, base plate, rail board shop coarse and fine adjustment, cement emulsified asphalt mortar filling layer perfusion...

To forecast the air quality accurately, the model of air quality using multi-source information fusion technology based on neural network is proposed. The back propagation (BP) neural network models with time-series and no time-series training samples, the nonlinear auto-regressive (NARX) neural network...

Though Associate in Nursing Intercloud is Associate in Nursing interconnected universal "billow of mists" that allows each cloud to spigot into assets of elective mists, communications among Intercloud partners ar convoluted because of Intercloud assets ar disseminated and controlled by totally unique...

Maros is one of the districts in the South Sulawesi Province which is the center of fisheries business development. Maros Regency as a coastal and marine area has the potential to develop land and sea fisheries that are quite large with the largest production of fishery products in ponds as a local resource...

The progress of a school really depends on the ability of the principal to lead the school. The purpose of this study was to describe the role of the principal as an educator in an effort to advance the school at the Surya Ibu Thehok Vocational High School (VHS) Jambi. Using qualitative methods, data...

Foodservice is a food management that is handled by individuals and companies that provide food somewhere to meet the various needs of its providers based on orders. The progress of information technology is growing rapidly. One of them is a smartphone or better known as a smartphone, which uses the...

A variety of toxic and harmful matters contribute to the severe impacts of water sources. Toxic pollutant such as heavy metals tend to deteriorate the environment vigorously due to its mobility. In this study, corncob based activated carbon (CCAC) was prepared for Cu (II) adsorption from aqueous solution....

Cocoa pod husk (CPH) as a potential plantation waste was used for the biogas production. Pretreatment using NaOH (N), NaOH with addition of H2O2 simultaneously (NHs) and consecutively (NHc) were carried out to remove lignin content in CPH and enhance methane yield. 2% NaOH was used for N pretreatment...

The growth of communication users, especially data packets, is increasing while telecommunication network facilities is not yet maximized to accommodate more and more users, especially suburban and rural areas whose population spread is uneven. So that there is a solution with the implementation of LTE900...

The research location is in the Beruang Kanan area, Tumbang Miri District, Gunung Mas Regency, Central Kalimantan Province. Epithermal sulphidation deposits are generally formed at a depth of 300 - 800 m (rarely > 1000 m). These deposits are formed on host rocks such as domes, diatremes (Andesite-Ryodasite),...

Effective vendor selection and strong relationship management are crucial for maintaining competitiveness and mitigating supply chain risks. However, unstructured selection processes can lead to inefficiencies, such as wasted time, resources, and financial losses. A marble industry in Indonesia faces...

Urbanization constitutes one of the most profound socio-economic transformations in modern human society, driving significant alterations in landscape patterns that have intensive implications for regional ecological systems, particularly river networks and their associated ecological functions. Despite...

This research discusses the development of a smart kitchen system for MSMEs in the production of Palembang crackers based on the Internet of Things (IoT) which aims to improve the efficiency of workers in the production kitchen through automatic control of exhaust fans. The system utilizes DHT11, MQ135,...

Turmeric and olive oil can be combined to produce herbal oil extracts. The purpose of this study was to determine the content of active compounds and to determine the effect of variations in the concentration of extracts on antibacterial activity. Turmeric is combined with extra virgin olive oil using...

Urban fire stations are responsible for the important tasks of firefighting and emergency rescue, and are an important part of urban fire infrastructure. Scientific planning and layout of fire rescue stations is an important means to improve the efficiency of fire services and optimize the allocation...

The changes in the era of society 1.0 are transitioning into the era of society 5.0 where life can easily be accessed and reached at any time just in the palm of your hand, which has the impact of changing times where students must have the ability, one of which is initiative, awareness, and self-management...

During a tsunami, the choice of evacuation route is vital for safety. Dijkstra’s algorithm is used to plan the shortest route for evacuation. The optimal shortest route is obtained from various nodes to the evacuation zone by identifying the distance, determining the speed and density of pedestrians,...

Pathologic sampling is the initial stage of the pathological research and forensic identification, if the thickness of samplings can not meet the requirements, observation results will be affected, resulting in a higher rate of misdiagnosis. This paper aims at studying the biomechanical properties of...

With the development of economy and technology, computer network plays in people's lives more and more important position, while security problems caused by the network more and more attention has been paid each year because of network security issues, such as hacking, virus infection economic losses...

In order to meet the machine tool could intelligent machining for the new worm wheel gear, a parametric zero programming CNC system is developed based on the modern embedded control technology. The ARM + DSP + FPGA as CNC module hardware platform, and using VS2005 VC + + module development CNC worm wheel...

Multi-scale bistable array (MSBA), which combines normalized scale transform, stochastic resonance effect driven by colored noise and parallel array, can be applied to weak signal detection under heavy noise. The experimental application in incipient fault feature detection of rolling element bearing...

With the rapid development of the railway industry, the speed and load of the railway vehicle has been significantly increasing but operation environment of the railway vehicle becomes worse. All these will cause problems for the wheel-rail wear. And all the problems will cause potential risk to the...

Based on the structure of traditional evaporative condenser, by analyzing the number of entropy generation units and the principle of heat transfer and mass transfer, through three ways to optimize and improve the evaporative condenser: nozzle spray upward, arrangement of double layer inorganic filler...

Education evaluation has become increasingly important along with the deepening educational reform. Only through evaluation will the teachers further enhance their teaching methods and teaching level. Considering the many factors influencing the teachers, it is difficult to simply adopt one model to...

With the adoption of large amount of information communication technology (ICT) and the increasingly frequent cyber-attacks, security issues have gradually become key problems for warship systems. Warship systems, as a special mobile information combat platform, have higher requirements for timeliness...

The development and application of network teaching system is conducive to promoting the construction of online courses, teaching methods and means. This paper designs a network teaching system framework, functions, the establishment of the network teaching system database, the realization of the network...

Nowadays, the definition of health is not only the absence of disease, but both physical and mental health. Loneliness as an important measure of mental health has become a topic that can not be ignored. In this paper, we study the problem about loneliness of individuals can be automatically recognized...

In order to improve the knowledge representation of ontology for dealing with grey uncertainty, grey ontology is proposed. Firstly, grey systems theory, probability theory and fuzzy theory are compared. Secondly, interval grey number and its calculation are introduced. At last, the model grey ontology...

The construction must seriously study material standards, and have knowledge of building materials, and fully understand the scope and use of properties of the coating was not to be careless with the wrong paint, applied over the interior facade. After the sun and rain, appeared in a short unexpected...

In this paper, we put forward a new type of intelligent assistant management system, and implement the hardware design of intelligent assistant system for pedestrian traffic in city. Thissystem uses MCU as main control chip, also includesanother four parts: mechanical arm, detector, image acquisition...

Aiming at the problem of high cost of mechanics performance testing and uncontrollable of the experimental accuracy, a new modeling method which called "mapping model" based on Support Vector Machine (SVM) is proposed. The SVM regression nonlinear prediction model was established based on the small sample...

A horizontal liquid-solid multi-tube circulating fluidized bed was designed to study the influence of front header distributor, liquid velocity,Kenics static mixer to various particle’s distribution and discuss the pressure of front header to back header. The CCD image measurement and data processing...

The paper background is based on the soft rock slope of Yizhou--Liuzhai highway in Guangxi province. Polymer cement curing agents are used to reinforcement the soft rock slope to prevent or slow the soft rock slope softening and disintegration, improve long-term stability of soft rock slope engineering....

With the increasing of mining depth, the temperature has become one of the main factors influencing the deep mining engineering. As the surrounding rock of deep soft rock has the characteristics of strong rheology and large deformation under the complex environment of high temperature and high pressure,...

In order to adapt to the production demand, it is planned to upgrade the berths of high-piled wharf upper structure of which is severely damaged and adopt static load test to check if the bearing capacity of steel pipes in original structure can reach 6,000kN as required for use in newly built structure...

It is proposed to use for finishing the aerated concrete composition with limy binder. Composition includes limy binder, ground aerated concrete and additives based on a mixture of silicate and calcium aluminum silicates. It has been shown, that the introduction in lime composition ground aerated concrete...

The meteorological data color mapping method is proposed according to the type, spatial frequency characteristics of the meteorological data as well as the human perceptual awareness and color theory. The specific color mapping step of high and low spatial frequency meteorological data have been given...

The disc-drum type rotors are widely used in large turbofan engines, where the drums are connected the adjacent disks with the bolted joints. In this paper, the joint stiffness characteristics of a disc-drum structure are investigated based on the finite element model. Firstly, the nonlinear finite element...

The 367 coal mining face in Fengcheng Shangzhuang coal mine was selected for the project background, the law of the mining permeability is mirrored by the law of the flow of parallel hole that drain gas from virgin coal seam following by the moving of working face. According to the surveying data, the...

With the advent of the smart grid era, the concept of power load management has also become more deeply rooted, in recent years, the popularization and installation of load control terminals have greatly improved the accuracy and timeliness of power data collection, which has important practical significance...

The article represents the results of investigating the structure of the layers, obtained using the specimens of low-carbon steel, subjected to plasma cementation. The dependence of their structure on the percentage of graphite in the coating, which served as a carbon source, is established. The influence...

Modern agriculture strongly relies on mineral fertilizers that make it possible to increase the arable land productivity fast and cost-effective. The traditional use of fixed doses of mineral fertilizers under a free market economy is ineffective, as it does not reflect the character of soil fertility....

Scaffolding erection is an indispensable process in high-rise building construction, which directly affects the safety of building construction.The traditional cable-stayed cantilevered scaffold erected with cantilevered beam faces the problem that the prefabricated part of the building can not be anchored.It...

The purpose of the research is to study how the shape of a geometric profile of the periodic raceway affects kinematic accuracy and smooth operation of the resourceeffective planetary radial plunger transmission with intermediate rolling bodies. The shape and computer model for a geometric profile of...

This study aimed to use water absorbance in the range of 200-900 nm to predict the turbidity and chlorophyll a concentration (Chl-a) in urban water. Six kinds of water samples were artificially prepared in this study: spirulina samples (S), chlorella vulgaris samples (C), turbidity samples (T), mixed...

With the wide application of environmental noise automatic monitoring technology in our country cities have established environmental noise automatic monitoring system. But due to the country is not about the technical specification of automatic monitoring, calibration of the system and a series of quality...

When the magnetorheological member is in the strong magnetic field and the mechanical field, it will produce a magnetic induction effect which affects the variation of the modulus of elasticity. The variation of modulus has an effect on the deformation of the component. And the deformation also affects...

The present study established a numerical investigation on the behavior of concrete filled steel tube reinforced concrete (CFSTRC) columns under combined loading and two-opposite-side fire. The FEA model was verified by the experimental results of CFST columns subjected to non-uniform fire. The comparison...

The work aim is to assess the anti-terrorist component of the Russian criminal legislation from the position of its suitability for countering modern terrorism, and above all its manifestations such as a terrorist act and an act of international terrorism. The research relevance is determined by the...

Public education about disaster mitigation in Indonesia needs to be done comprehensively. One of them is through learning at school. This study aims to integrate disaster mitigation in physics learning using a pedagogical approach and teaching materials based on higher-order thinking skills. This research...

A variety of different technologies are used to intervene in children with autism spectrum disorder (ASD) increasingly every year as more and more children are diagnosed with ASD. One of the technologies used is the use of images, multimedia, and animation with the help of computer technology to provide...

The ignitability of upholstered furniture was experimentally studied by using wooden crib as ignition source. Three different ignition source assembles were assessed and compared by measuring their combustion heat release rate, total calorific value, combustion duration, and temperature. Results indicated...

This study assesses the vibration comfort of a large-span steel-concrete composite gymnasium floor system in an under-construction primary school. The analysis considers human-induced vibration conditions before and after soil coverage and grass planting. Acceleration time histories were recorded, and...

The incorporation of nanofillers in the composite materials has gained significant attention in recent years due to the numerous advantages they offer over conventional composites. Most of the engineering composites typically uses continuous type fibers. These composites are reinforced with epoxy polymers,...

Foundations of towering structures are usually subjected to complex multidirectional loads. For investigating the bearing behavior of bucket foundation in soft soil under vertical-horizontal composite loading, a three-dimensional numerical model was developed in this paper. Combining the Swipe loading...

In order to study the wear of concrete on the wall surface when it flows in the chute, the numerical simulation software Fluent was used to analyse the erosive wear of concrete on the chute, the concrete is in a laminar flow state in the chute, according to the pressure distribution of concrete on the...

One of the main issues in construction projects is the high rate of structural defects, which contributes to material waste, increased costs, and project delays. This contradicts the principles of sustainable construction, which emphasize resource efficiency, waste reduction, and improved building quality...

Traffic jams often occur at traffic control points located at adjacent intersections. One proposed solution is to establish coordinated traffic control. The vehicle flow at each intersection is managed by an agent acting as the traffic controller. This study conducts an experiment with two traffic controllers...

The aim of this study was to investigate the phytotoxicity of Fe2O3 nanocubes, Fe2O3 short nanorods, Fe2O3 long nanorods, TiO2 NPs; and MWCNTs to rice (Oryza sativa L.) seedlings during germination, including rice germination ratio, root length, shoot length and fresh weight. Our investigation found...

This study aims to identify the composition and distribution characteristics of plant flora of Urban Ecological Wetland Park in Tianjin Lingang. Results show that plant species of Wetland Park in Tianjin Lingang are relatively rich.There are 246 vascular plants from 171 genera and 73 families.16 families,37...

Flexible DC cable has been more and more extensive research, compared to the AC cable, the effect of space charge on the insulation failure of DC cable is more significant. This paper summarized three methods to improve the space charge of insulating materials, namely: nano-partice modification, grafting...

Many debris flow hazards were triggered in Earthquake area after the Wenchuan Earthquake. In these debris flow hazards, the most notable one is the debris flow in Bayi Gully on Aug.13, 2010. Bayi Gully was a debris flow gully before the Wenchuan Earthquake, in the first three raining seasons after the...

Different from the traditional “physical manufacturing” mold injection, UV curing mold injection is a new manufacturing method which combines mold injection process and UV curing technology. On the basis of the traditional mold injection process the photochemical mold manufacturing process parameters...

In recent years, the research about natural gas hydrate inhibitors has transformed from thermodynamics inhibitors to kinetic inhibitors and anti-agglomerant inhibitors in the deepwater drilling. However, once the malfunction occurred in the injection system, kinetic inhibitors is powerless facing the...

With the deterioration of air pollution, global warming, people pay more attention to electric vehicles(EV). For the relationship between the diffusion of EVs and establishment of refueling stations, it is inter-constraining, and inter-stimulating. Based on agent-based model, we compare the effects of...

The proposed Yangjiawan super-large bridge is located in Lanzhou section of the Yellow River,constructed for Lanzhou-Chongqing railway crossing the Yellow River.This paper adopts mobile bed experiments to simulate the channel near the bridge site,mainly studies flow direction,velocity distribution,surface...

Complex network as a new research direction has gradually become a hot topic in the various fields of science, and the relevant research results continue to emerge. In order to analyze the structural characteristics of complex networks more efficiently, all kinds of analysis software, package and experimental...

The main idea in function generating synthesis of the planar mechanism is the design of a mechanism so that to provide a prescribed trajectory. In this paper a general method for dimensional synthesis is proposed. The synthesis equation is the nonlinear equation with three unknowns, and the equations...

Fault diagnostics is to distinguish the current state of the equipment is in normal or abnormal. It can be seen as a problem of multi-class classification. To improve the performance of classification, this paper presents a novel method for fault diagnosis. In this method, we synthetically applied immune...

The stress-strain relationship and tensile resistance parameters of polyvinyl alcohol fiber reinforced cementitious composite(PVA-ECC) are studied and analyzed experimentally by uniaxial tensile test. The specimens are 200mm×50mm×20mm with different fly ash content. The test is carried out by using displacement...

The laboratory heating thermoelectric generator (TEG) combinesthe phase change material (PCM) via solar panels, to achieve the integration of the electricity generation and adjusting indoor air temperature of buildings,to create “perpetually” powered sensor nodes that enable to harvest ofrequired energy...

Sc3+ doped textured lead-free ceramics of CaBi4-xScxTi4O15 (CBScT) were prepared by oriented consolidation of anisometric particle method with tape casting while the plate-like powders were produced by MMS method. The higher dielectric constant and lower dielectric loss were obtained as the x=0.2. The...

Economic globalization and the integration process has led to competition among construction enterprises become increasingly fierce, which are adjusting their development strategies and efforts to seek for the knowledge economy and network environment to promote enterprise survival and development, enhancing...

The grounding body in the power transmission line engineering is buried underground for long term, which will be eroded by soil environment. If it passes by the DC grounding pole, corrosion will be aggravated. Aiming at the 220kV line engineering in 500kV Dongpo substation and the 110kV line engineering...

The structure of C-bridge is prestressed concrete partially cable-stayed bridge with corrugated steel webs with a main span of 188m, and the span arrangement is 58m+118m+188m+108m, and the form of box-girder section is one-box four-rooms with inclined webs. In this paper, the finite element method is...

as the integration of the world economy, the amount of global trade has increased. 80% of the trade commodities are transported by sea. A large number of ships whose ballast water cause great damage to the marine environment are sailing in the ocean every year. Ship’s ballast water has become an important...

Through a common actual example, a new structure named protection type with twin cavities in a die for the semi-hollow Al-profiles was present. And the selection and the optimization of structure parameters were described in detail. the layout of die holes, the design of the portholes, the structure...

Isolated DC/DC converters have the disadvantage of inefficiency, instability, magnetic bias and shoot-through problems, etc. They also influence the other electrical devices severely in the same power network. Therefore, a novel photovoltaic off-grid inverter based on the boost converter is designed...

Delftia acidovorans SPH-1 is a beta-Proteobacterium that degrades a number of organic compounds. Genomic islands play the important role in horizontal gene transfer. Two prophage-related genomic islands (GIs), SPHGIGly-CCC-1 and SPHGIGly-CCC-2, were determined and are integrated into 5’ and 3’ end of...

With the development of the economy, environmental pollution has become the focus of people's attention. The treatment of environmental pollution, especially the governance of the rural environment, has become an urgent problem. Based on the viewpoints and methods of system theory, this paper proposes:...

In batch hot-dip galvanizing, 0.2-0.3 wt% chromic anhydride solution is traditionally used as awater-cooling medium to prevent white rust. It generates a lot of chromium acid mist and wastewater, both of which are very harmful to humans and the environment. In our study, an environmental-friendly passivation...

A target reflectance feature automatic measurement system used for automatic radiometric calibration of satellite remote sensing payload is described in this paper. The system utilized techniques such as RS485 multi-host structure, wireless communication, and PLC. It can be used in multi-site automatic...

The pyrolysis gasification treatment in the paper is the new direction of municipal solid waste disposal by comparing waste incineration, composting and sanitary landfill treatment technology. The principle and classification of pyrolysis gasification technology are described in detail. The research...

At present,the enterprise network management system presents the network connections between nodes in the form of network topology,so that the network topology can be visualized.However,the enterprise network itself is complex.With the increase of enterprise business,the number of network nodes increases,resulting...

Motorcycles as a mode of transportation its use continues to increase in the Surabaya City. One of the negative impacts is motorcycle accidents to increase. Based on IRSMS data are the involvement of motorcycles in the accidents of 82.6% (2,490 motorcycle accidents out of 3,014 accidents in Surabaya...

Based on the theory of finite element dynamics, the dynamic performance of the power regulator inverter is studied in this paper. The vibration simulation model of the inverter is established. According to the national standard for vibration environment, the vibration load is applied to the model, and...

This paper analyzes the optimal path problem of AGV for smart factories, and propose a hybrid algorithm combining genetic algorithm and simulated annealing algorithm. The objective function model is established according to the target optimization, the improved genetic algorithm and simulated annealing...

The article reviews the technical applicability of various physio-chemical treatments for the removal of hexavalent chromium (Cr(VI)) from aqueous solution. A particular focus is given to membrane electrolysis, photocatalytic reduction, adsorption and the application of nanotechnology in Cr(VI) removal....