Advances in Engineering Research

Blazed grating, as one of the gratings, is widely used in liquid crystal phased array with beam deflection. Based on the wave control method of blazed grating model, the relationship between the beam deflection angle and the grating constant are deduced. The construction of liquid crystal phased array...

One of the possible fields of application of wet magnetic separation waste of ferruginous quartzite was considered in the paper. For Belgorod and neighbouring regions, the problem of this waste utilization is quite acute. The most effective specific surface of the filler, by which the averaging of grains...

With 2 mol% Al3+ ions and 8 mol% Eu3+ ions co-doping,nano-size[K0.8Y0.63Eu3+0.08Al0.02][Mo0.2W0.8O4] phosphor was synthesized by the sol-gel method. Through XRD, DTA-TG, SEM and photoluminescent analysis, its morphology, crystal structure and luminescent property were discussed and it is found that one...

For mining gas outburst coal dust pollution problems caused by dry drilling, this paper proposes a new mine wet compressed air ejecting dust collector. The energy-efficient experimental project of compressed air ejecting dust collector was designed, and tested the performance of the dust collector in...

This contribution is dedicated to issues of long term safe service of high-voltage pylons, which are during service loaded by variable loading with simultaneous acting of external environment. There were proved the procedures ensuring that the limit state will not occur during the period of technical...

According to the study of the practice, description has been given to the crop simulation model and its data acquisition situation, the composition of real-time farmland data acquisition system, as well as the combining point of using both, focusing on the impact of real-time farmland data acquisition...

With the rapid growth of the using of power cables in distribution network, a large demand for mobile high-voltage cable test systems is expected in the near future. VLF test system has a great equivalence of AC test, so it is wildly used in power cable test. In this paper, a novel VLF high voltage generator,...

Objective: this study examined the effects of flavonoids from Eucommia ulmoides (FEU) on antioxidant systems, lipid peroxidation and oxidative deoxyribonucleic acid (DNA) damage after exhaustive exercise. Methods: the mice were then divided into four groups, one control group and three FEU treated groups....

With the rapid growth of various kinds of services demands, the traditional power network architecture has faced many problems and challenges. The software defined network (SDN) architecture has the advantages of flexibility, programmability and centralized control, which can be applied to power grid...

The article is devoted to the study of an adsorption method for desulfurization of oil products during their processing, purification from admixtures of sulfur-containing compounds by adsorption on the surface of the sorbent material. The article presents the results of experimental studies of properties...

Coal, petroleum and natural gas will still be the basis of economic development for a long time. However, with a rapider consumption speed, these fossil fuels will be exhausted in the near future. In addition, the usage of these fossil fuels can also cause environmental pollution and greenhouse effect....

Through three-dimensional (3D) printing pen methods on the high-voltage electrostatic field with a needle shaped collector, the refined poly-L-lactide (PLA) finished product has been achieved. Through orthogonal experimental methods, We found that optimal conditions at 180?"?, a nozzle-to-needle shaped...

In the stream processing, the connection operation is one of the very important basic operations, and it plays an important role in real-time data query and mining. According to the existing data stream connection technology and combining with the characteristics of coarse granularity processing unit...

The fast sealing technology of mine roadway is an effective method to isolate spontaneous combustion zone, poisonous and noxious gas source or gas accumulation area by establishing effective sealed wall quickly. Aiming at the problems of poor sealing effect, cumbersome operation, difficult construction...

The article presents the results of the influence of technological factors on the efficiency and time of the gravel screening process on the roller grooved sorting with an auger intensifier. The article obtains the dependences of the efficiency of the gravel separation on the material feed to the sieve,...

When the EMU(Electric Multiple Units) is passing by the windbreak wall gap, the crosswind strikes at its surface, causing the aerodynamic performance exceeds the standards and making influence on the train safety and the passenger comfort. Therefore, the study of this problem is particularly important....

In this paper we bring forward various kinds of methods to enhance the production of remain oil on the wells completed by limited entry fracturing through the analysis of the number of layers to be employed, remain oil distribution and the capacity of production of the wells.These methods are fracturing...

The current street monitoring is more traditional way, backward management and inefficient. Now on the street lamp monitoring system research is the use of wireless network technology and GIS technology to achieve automatic monitoring of street lamps, but the lack of street lamp system logic structure...

in various regions of the Russian Federation, accidental explosions of natural gas due to improper operation of gas stoves in apartment buildings with death or injury of people cause a wide public response. It is difficult to restore (dismantle) building structures damaged by natural gas explosion and,...

The ultimate purpose of this study is to develop a new Kampong Improvement Program (KIP) in collaboration with the residents to improve their indoor environmental conditions, focusing especially on their indoor air quality (IAQ) and health of occupants. According to the WHO’s report in 2013, acute respiratory...

Cycle rickshaw is one of the modes of paratransit transportation that has advantages in supporting the sustainability of the transportation system in Klojen District, Malang City. However, the provision of cycle rickshaw that is not in accordance to the needs of the community in Klojen District causes...

Industrial technology is developing rapidly accompanied by learning technology, especially in some virtual applications. Virtual Laboratory is one of the virtual learning applications that is currently being developed in the 4.0 industrial revolution. The use of virtual laboratories in Revolution 4.0...

The scholarly publications focusing on electrochemical sensors for heavy metal ions have experienced a significant increase in recent years, driven by the efforts of researchers and scientists. This study aims to investigate the current research, identify key areas of interest, and pinpoint future research...

Haloxylon ammodendron (C.A.Mey) Bunge ex Fenzl, (Saxaul forest) is a small tree and shrub belonging to the genus Amaranthaceae. We measured shoot water potential of saxaul trees, indirectly determined the current status of shoot water potential of natural forests and planted trees, the adaptability of...

As the temperature of the air entering the combustion chamber rises, consequently the combustion temperature, resulting in complete combustion of air and fuel in the combustion chamber and a decrease in the performance of the internal combustion engine. It also influences increasing emissions while decreasing...

Jasminum Sambac L. plant, especially the flower used for ritual ceremony, i.e.: the wedding ceremony. Commonly medicinal plants have an interaction with endophytic fungi species that lived in their tissues, the interaction form is mutualism symbiotic. The research was done to: (1) identify the endophytic...

Pakistan has considerable aggregate resources owing to its extensive mountainous ranges, sets a foundation to investigate the aggregates in this study. Employing an experimental methodology, the study specifically examines and compares the physical, mechanical, and chemical properties of coarse aggregates,...

In pursuit of urban sustainability, retrofitting elevators in existing residential buildings has emerged as a pivotal strategy to enhance accessibility and marketability. However, the impact of such retrofits on indoor thermal comfort remains underexplored. This study aims to bridge this gap by investigating...

Gluten is a vegetable protein with the potential to be developed into functional food because of its high protein content. Gluten is viscoelastic which gives chewiness characteristics. In Indonesia, gluten is still imported and limited to processing food or to substitute for animal protein. This study...

In a minimization problem, there are some operational costs, such as transportation costs which are not negligible. In this research we discuss a transportation problem and propose a comparison of the generalized unified tabu search and the branch and bound algorithms. One of our concerns is the geographical...

This research aims to determine the optimal location and number of fire stations in Situbondo Regency by considering the travel time, development cost, and track record of fire incidents using the maximal-covering problem model. Furthermore, the model is solved using the branch and bound method using...

A cure-dependent viscoelastic constitutive model is simply derived, and verified by comparing the results predicted by the derived model with the theoretic solution of a rod model and the standard ABAQUS elastic solution of a three-dimensional (3D) cross-ply laminate [0/90]s. A 3D simulation of an AS4/3501-6...

Abstract.In this article considered the principle of process definition measurement of engineering systems when evaluating buildings intelligence. Suggested method provides objective nature of estimates based solely on quantitative indicators of energy resources consumption. Intelligence coefficient...

In view of the traditional rear wheel drive mining equipment has such problems as lack of climbing perfor-mance and skid in harsh environments, a front axle drive scheme is proposed. That increases the driving force of the overloading uphill and the braking force of the overloading downhill of the dump...

We study the problem of parameter estimation in in wideband bistatic MIMO radar system. Firstly, we propose a novel algorithm to estimate Doppler stretch and time delay in fractional Fourier transform (FRFT) domain. Secondly, we also construct two sub-array models based on the peaks of fractional Fourier...

For achieve fast and reliable power data transmission, we propose a novel Intensity Modulation and Direct Detection (IM/DD) optical Orthogonal Frequency Division Multiplexing (OFDM) system. In this system, we utilize Discrete Hartley Transform (DHT) instead of Discrete Fourier Transform (DFT) which is...

The thermodynamic analysis of long-span structure can be very complicated with the numerous members and high-degree indeterminate. In this paper, a typical spatial grid model with 4.5 x 4.5 meters plane is simulated, through the numerical simulation study on grid temperature field by solar radiation...

In this paper, the magnetic flux leakage testing equipment of military metal oil tank is taken as the research object, and a finite element model is established by numerical simulation. The impact of the defect depth, liftoff value and plate curvature on magnetic flux leakage was calculated. The results...

Based on inherent strain theory, it predicts and optimizes welding deformation of movable arm by means of welding numerical simulation. At the same time, based on thermal elastic-plastic theory, it predicts stress distribution, and finite element model is verified correctly by experiments. The results...

Abstract. Dynamic pressure plays an important role in the cyclists’ performance and comfort. To qualitatively analyze dynamic pressure of male lower limb with compression cycling shorts in continuous cycling motion, a novel approach was developed to characterize dynamic pressure. Four pressure measurement...

The servo control technique is one of the key technologies in the field of control like robots. In order to meet the demands of servo control for robots, a DSP based DC servo motor control system was developed. Firstly, this paper promoted the design of controller and analyzed the overall structure and...

This work focused on the energy model of the machining which can be used to predict the energy variation with finite element method. The energy model is validated with the finite element method using the finite element software ABAQUS. The distributions of the stress, strain and temperature as well as...

The corrosion of related electric field is an important exposure source of warships in sea water, the spread distance of low frequency part can be several kilometers in the sea water, which has a promising application prospects in aspects of remote detection and development of underwater weapon fuze....

In recent years, the application of knowledge discovery method to the field of the traditional Chinese medicine (TCM) gains more attention to researchers. It is necessary to have a visual mining for hidden knowledge in the massive and complicated data of prescription, which embody important knowledge...

Aiming at the issues of high cost, large size, high maintenance cost for traditional frequency characteristic test instrument, this paper introduces a design process of frequency characteristic test instrument based on USB2.0. The whole system took single clip microcomputer as the control core, and the...

Cognitive Radio (CR) is proposed to solve the spectrum scarcity problem caused by the explosive growth of wireless devices and the fixed spectrum allocation policy. Spectrum Sensing is a fundamental method in CR. Cooperative Spectrum Sensing (CSS) can effectively improve detection accuracy. Numerous...

The qP-wave equation is one of extremely important question in seismic exploration, seismology, and so on. However, its poor stability, the traditional finite difference scheme for qP-wave equation modeling suffer instability easily and numerical dispersion seriously. This paper propose a novel difference...

This paper identifies the risk factors of coal logistics supply chain network, and it has established 15 qualitative and quantitative risk evaluation index systems of coal logistics supply chain network. At the same time, it uses genetic algorithm to optimize the weight and threshold of BP neural network,...

This study focused on the melamine-cyanuric acid crystals formation by melamine does alone, and to explore the resource of cyanuric acid and kidney failure repair.

To synthesize a core-shell structure for preparing nano-sized WC powder, four kinds of organics were adopted as carbon sources and their carbonization characteristics were investigated. The results showed that organic type severely affected the structure and quality of the product. Using starch as carbon...

The paper tends to study the determination of formaldehyde in squid and bummalo by HPLC. The calibration curve in the 0.5-50.0 µg/mL range was obtained and correlation coefficient was 0.9993. The detection limit was 5 mg/kg. Endogenous formaldehyde in bummalo and squid as well as the change rule of formaldehyde...

Through the analysis of the whole structure and data warehouse modeling, the data warehouse star structure is used to analyze the data model, and the key technology of ETL is analyzed.

Five soil samples in different depths of a site in the close vicinity of a Wuhan iron and steel factory (Core 1) were collected. One uncontaminated soil profile (Core 2) was taken for reference purpose. The soil arsenic content and speciation vertical distribution patterns were analyzed by inductively...

The analysis of natural vibration characteristics has become one of the important steps of the manufacture and dynamic design in different industries. An efficient approach called transfer matrix method of linear multibody systems (MSTMM) is proposed to determine the free vibration of a cantilever beam...

In this paper, a fuzzy optimization method for gears has been proposed. The biggest advantages is to design the optimal solution under the existing conditions (including the level of equipment, technology, materials and design and manufacturing technology), and the proposed method was implemented by...

In this paper, we first investigate the discrete 2D analytic signals with some properties such as Discrete Bedrosian’s theorems. Second, based on the derived discrete properties of discrete 2D analytic signals, we provide an image decomposition method via the above principles to decompose image. Experiments...

Grinding is the process of reducing the particle size of processed material from a large (coarse) shape converted into a smaller size. For that whose name is grinding is the process of splitting or milling. Sizing is the process of leveling the sizes in a sieve according to the desired size so that the...

Provisions of infrastructure that encourage national connectivity will reduce transportation and logistics costs so that they can increase product competitiveness and accelerate economic growth. The application of an optimum hub and spoke airport model will improve the efficiency of transportation costs...

The article describes results of an experimental study of ultrasonic treatment as a part of a complex temperature-force effect on the adhesive properties of a surface composition made of materials with thermoelastic phase transformations at various stages of formation: at the stage of the base preparation;...

Longan fruit comes from a subtropical climate, and it can grow well in Indonesia. With the drying process of longan can also be beneficial as a tonic for the maintenance of insomnia and neurosis. Once the longan fruit separated from the skin and seeds, longan fruit put in plastic containers and then...

Increased cabbage production in Central Java is not followed by an increase in cabbage prices at the farm level. Farmers have cabbage farming motivation even though cabbage prices tend to fall and are not stable. This research aimed to describe the motivation of farmers in cabbage farming and to describe...

The creation of urban agglomerations green forest belts is one of the conditions for the sustainable development of society. The cities forest parks' green belts helps to form the ecological framework of the territories, thereby increasing the level of quality of life of the population. The data obtained...

Fifteen isomers of cyclooctene systems calculated in ab initio reveal the potency of computational results as a sufficient approach to distinguish different isomers and their configurational and conformational isomers within the system. The optimized geometries obtained from the semi empirical calculations...

Based on specific products and actual projects, the DC system of the substation is designed, and the principles and functions of each component module of the DC system are described. The grounding line determines whether the lightning protection system can work safely and reliably. Taking lightning protection...

Our effort in discovering new valuable organism, A newly bacterium was isolated from chicken feathers enriched soil. Microscopic and biochemical study as well as 16S rRNA gene analysis identified the bacterium as Pseuodomonas aeruginosa. Microbial growth study confirmed its capability to use chicken...

The basic research method used is descriptive analytical method. Determination of the sample area of the respondents was done intentionally (purposively) namely District Nguter Sukoharjo Regency. Sampling of respondents is done in a way census. Respondents are all farmers who manage organic rice in the...

In power electronic converter device, using the ordinary thyristor phased rectifier, to inject a large number of harmonics and reactive power grid, power grid pollution; With full control of PWM rectifier device, which can realize the grid side current according to the sine law of change, and run in...

Based on the original theory of the inertial point, this paper analyzed the existence of the inertial point to the rigid concrete pavement on the Winkler foundation under the pulse load and the moving load. First, according to the actual mechanical characteristics of the pavement structure, establish...

In order to involve problems of the pressure relay when using, this paper proposed an improved design of pressure relay based on mechanical pressure gauge. Firstly, the structure of the pressure relay and the existed problems when using were analyzed. Secondly, based on the mechanical pressure gauge's...

Microstructures and properties of rolled 6013 type aluminum alloy were investigated by optical microscopy (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction and hardness testing, tensile testing at ambient temperature, the strengthening and toughening...

In the extra high water cut stage, the remaining oil mainly exists in the channel sand body, and the low and non watered thickness of the reservoirs with poor utilization is mainly distributed in the top of the thick oil layer and the variation zone in the layer. The horizontal well is drilled, the horizontal...

This article starts with solving problems on statistical analysis algorithm and tool study of standard drafting units. It shows the quantity relationship between standard drafting units and national standards by doing multidimensional descriptive statistics in terms of Standard Category, Establish and...

Multicast routing in wireless mesh networks can be accomplished based on link quality metrics to maximize throughput. Nodes must collaborate in order to compute the path metric and forward data. The assumption that all nodes are honest and behave correctly during metric computation, propagation, and...

With heavy multi-axle vehicle interconnected suspension system as research object, a mathematical model of elastic force of four-axis interconnected hydro-pneumatic suspension system is established and simulation and bench test are carried out. Based on the mathematical model, the stiffness characteristics...

Deodorizer column is one of the most important units of operation in the palm oil refining process. The column itself consists of tray column at bottom half and packed column at top half. To get an optimum composition of the bottom product and FFA recovery, a good controlling system needs to be installed....

The use of technology in education is growing rapidly, some of which use augmented reality technology. Augmented reality is one type of technology use not only in education but also in other sectors because it is one technology that is quite useful in facilitating various human activities. However, the...

The industrial revolution 4.0 has produced many advances in the field of science and technology. 3D printing machines are one of the advances in the manufacturing sector. Machines play an important role in the production process, so the condition of the machine must be maintained so that it is stable...

Optical Character Recognition (OCR) has been investigated widely to recognize characters in images for various applications including license plate recognition. Several limitations and distortions are available in images such as noise, blurring, and closed characters (alphabet and numbers) which makes...

In this study, the thermal properties of the new straw bricks produced at high temperatures and pressure were explored and the pattern of influence of pore diameter on the heat transfer coefficient of the new straw bricks was emphasized. The thermal environment of the experimental house with new straw...

In order to explore the location problem of emergency logistics center in Central China under public health emergencies, this study selected 30 cities in Central China as the research object and realized the location of emergency logistics center in Central China by constructing the location model of...

In the development of China’s industrial economy, science and technology industrial parks have an increasingly important position and role, but the carbon emissions of industry and related equipment in the park cannot be ignored. It is necessary to analyze and evaluate the carbon emissions of the park...

Hydrogen energy is a promising direction. Hydrogen energy equipment is more environmentally friendly and economical. But there are problems with the introduction of hydrogen into the energy sector: production, storage, combustion, operational safety. Hydrogen production depends on technologies, production...

Compared with mining the horizontal coal seam and gently inclined coal seam, steeply inclined and very thick coal seam mining has many differences. Since the fracture development law is not clear, resulting in the application effect limitation of gas extraction, prevention and control of air leakage...

In this paper, through assay scavenge box drain tank iron (Fe) content in the oil and alkali value, calculate the wear volume and fuel sulfur (S %), optimization of cylinder filling factor ACC, concluded that the best cylinder oil injection rate and injection timing. In order to improve the cylinder...

In this paper, the catalyst PTA@MIL-101-NH₂-Cl with various 2,5-dichloroterephthalic acid was synthesized. Based on this, the effect of the strong negative groups -Cl on the crystal structure, molecular structure and thermal stability of the catalyst was studied. It was found that the immobilization...

With social progress in the 21st century, continuous development of network promoted innovative application of computer technology. Moreover, the speed of computer development and application has already gradually exceeded our imagination. Its scope of application also becomes wider and wider. It is...

Integration of solar PV and wind in to the distribution network is one of the most promising challenges of the modern power system networks to meet the growing demand of energy. Analysis of the effects of solar and wind intermittencies in the network are vital to maintain the power quality. Keeping this...

In this paper, different proportion of wormcast was added to the Rehmannia glutinosa continuous cropping soils including first and second stubble to adjust the phenolic acids content and microbial biomass and improve the soil environment after continuous cropping. Results showed that vanillic acid, vanillin...

With the continuous development of information technology, the level of development of automobile industry for a country is largely based on the level of automotive electronic technology. To implement modern electronic technology and computer technology in the automotive industry has been rapidly applied;...

In this paper, the R-function theory(RFT) is applied to solve the bending problem of slip clamped trapezoidal shallow spherical shell. Firstly the fundamental solution of the biharmonic operator, the boundary equation and the R-function are used to construct the quasi-Green's function. Then the model...

Based on the law of electromagnetic induction, a novel contactless absolute angular position micro-sensor has been designed in the literature. It is mainly composed of three parts: a magnet having two portions shaped as circle segments with different center points, a Hall effect sensor and a signal processing...

In this paper, a numerical model simulating the lanceâ€"blowpipeâ€"tuyereâ€"raceway of a blast furnace has been developed. The coal flow and combustion along the coal plume are studied. The effect of the lance tip area and position on coal combustion is investigated.. The simulation results indicate...

New construction wedge safety shelves are offered. The principle of work engineering construction, its advantage and economic expedience of introduction in production are described.

In this paper, the vibrative theory of variable cross-section shear beam in structure dynamics was used in the analysis of landslide stability. The displacement, velocity and acceleration of the landslide were calculated with Duhamel technique in which the earthquake curve was used. This method in our...

Take Hangzhou as an example, ecological safety evaluation of urban land provides the basis for promoting urban ecological security.21 indicators were chose to set up the evaluation system. By using BP neural network method, the study followed is trying to evaluate ecological security of urban land. The...

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...

Purpose: analyze the pathological features of pancreatic endocrine tumor and discuss the differential diagnosis of pancreatic endocrine tumor and pancreatic acinic cell carcinoma. Method: choose 10 patients of pancreatic endocrine tumor from the Chinese Medicine Hospital of Henan Province and the Tumor...

Aiming to create a beautiful road in a variety of shortcomings, it pointed out that does not suit to all aspects of creation requirements, starting from the design concept for the improvement of road construction. Traffic engineering from the perspective put forward a number of issues that need attention.

In this paper, the test for the laser gyro strap-down inertial navigation system is studied. The self-navigation and the integrated navigation are introduced. By comparing the measuring results with the real data, the accuracy for the integrated-navigation is obtained. The errors for the head, the roll...

The concept of evolving a block tectonic model for a high concrete gravity dam located in a dynamically evolving Himalayan terrain has been attempted for the first time in the Indian context. Precise delineation of the lithounits, demarcation and ordering of discontinuities and mega shear zones at the...