Advances in Engineering Research

Phenolics are bioactive compounds produced in plants, which are primarily associated with plants defense mechanisms. The compounds possessed antioxidant and anti-inflammatory properties which exert favourable effects on human health. However in order to achieve the benefit, the phenolics need to be isolated...

Autonomous Underwater Vehicles (AUV) is a type of underwater vehicle that has been widely developed in the world and in Indonesia. This AUV is well known for commercial use and even for military purposes. AUV is equipped with various sensors and other equipment to support activities in making observations...

Salinity fluctuations can impose significant stress on aquatic organisms. This study investigated the short-term effects of a 10 ppt salinity drop (from 26 ppt to 15 ppt) on Oryzias latipes. After 24 h of exposure, brain, liver, and gill tissues were analyzed for ATP concentration, total protein content,...

This study aims to model and analyze the design structure of the Tram car body using the finite element method. The help of software will compute a calculation to display a visual form of an estimate of the actual condition of a tram mover design. The simulation was carried out based on 5 cases of loading...

Both BIM and VR have their own characteristics, and the combination of them can not only create fine architectural models, but also achieve immersive VR interactive experiences. This paper takes a teaching building of a university as an example, creates a BIM model, and designs indoor and outdoor scenes...

DC motors are extensively utilized in industrial operations and automated control systems due to their ability to deliver high torque and exhibit favorable dynamic behavior. This study presents a mathematical model and simulation of the BLM57050-type DC motor using a second-order system approach. The...

According to the mathematical method of target optimization, the automatic control mathematical model of fault diagnosis and computer program algorithm has been set up, and computer TV sound abnormal noise fault automatic elimination system has been designed.The experiment and computer simulation are...

This paper, rebuilds example's definition, value and principles to follow, expounds its function by example separately, hoping to present more clearly example method.

As more and more data accumulated, companies are eager to dig out the knowledge behind a large amount of data to support decision-making. The existing data mining tools such as IBM's IntelligenceMiner and SAS EnterpriseMiner, although they provide a comparatively rich mining function, these tools cannot...

In this paper, the low rank update mathematics was employed to N-k contingencies computation. In the method, the two low-rank matrixes correspond respectively location and modification values were constructed. The amount of calculation was decreased greatly due to the node admittance matrix was revised...

There are a large number of throats in tight sandstone reservoir, the throat morphology is various and the distribution of throat radius is wide. These characteristics have great influence on the permeability of the tight sandstone reservoir. However, it has not been well studied. In this paper, we address...

In this work, the PEG-GO hybrid membranes fabricated by poly (ethylene glycol) diacrylate (PEGDA) and graphene oxide (GO) were tested for salt rejection. The prepared membranes with different proportions of PEG were characterized by morphology and chemical analysis as well as salt rejection experiments....

This paper mainly researches the important value of encryption technology in contactless IC card in the practical application. In the paper, it is pointed out that the DES arithmetic algorithm and 3DES algorithm is by far the most suitable encryption method for encrypting contactless IC card data. The...

As the core element of jet-type servovalve, the linear model of jet-type hydraulic amplifier (JTHA) is important for analyzing and controlling the jet-type servovalve. Based on the function between flow area and the jet nozzle's displacement, the linear model of JTHA is derived from hydraulic bridge's...

As a sign of urbanization development, Guide system has developed more than a few years till today. With the process of urbanization deepening, guide system in the city life has become increasingly important and already integrated into the city's overall cultural atmosphere, becoming an important symbol...

In this passage, we intend to determinate the specific searching plan for lost aircraft on the basis of big data application. First, we cope with Maximum Flow Problem by BFS, in order to the determination of cruise route. Then, in the determination of numbers of search planes and warships along each...

Based on 53 years of daily meteorological data from 1961 to 2013 provided by 19 meteorological stations in Hebei Provence, seven algorithms of Penman-Monteith (P-M), Hargreaves-Samani (H-S), Irmark-Allen (I-A), Pristley-Taylor (P-T), Makkink (M-K), Penman-Van Bavel (PVB), 1948 Penman(48-PM) were used...

Rayleigh waves have been widely used to estimate the shear-wave velocity structure in the fields of shallow engineering and environmental detection. In this study, active and passive surface wave surveys were performed sequentially on the same survey line across the eastern Balikun Basin. MASW (Multi-channel...

In this paper, we study the collective obstacle avoidance problem when only part of agents is informed of obstacle information. The control protocol is proposed to lead second order agents trend to state consensus in the existence of smooth convex obstacles. Both the position and velocity of agents will...

This paper proposed a unified information processing and application system, which can automatically generate C++ codes of math methods, and package the software and method into a standard component. Also, the system integrates different types of method in the unified information processing system with...

In electric power system reform environment, grid companies have to estimate the economic performance of power grid construction project completed with a more market-oriented perspective. Therefore, economic efficiency post-appraisal model of the power grid is proposed in this paper. In view of the problem...

A integrative high voltage circuit breaker SF6 monitoring terminal device is designed, researched and developed the sensor circuit and radio frequency wireless transmission circuit, real-time online monitor the density and water content changes of SF6 gas and the trace leakage of the gas, then transmit...

In this paper, a Ramsey type model with endogenous birth rate is set up to inquire the optimal birth rate choosing in the economic growth process. It is proved the model has a unique equilibrium which is saddle under some given conditions. Along the optimal growth path, the per capita capital, consumption...

With the rapid development of information, 3D animation technology has become the indispensable technical means in the field of video effects, education and scientific research. The three-dimensional animation is a comprehensive art. The action set has been the key step in a three-dimensional animation....

Basketball is a charming sport. Countless fans in the world are crazy about it. It is also one of main events of the largest sport contest - Olympic Games. The research shows in large-scale basketball competition, strength and technical level of each high-level team do not differ a lot. Competition result...

This paper mainly introduces the methods and techniques of using Auto-CAD to draw the structure design of the house. The main contents include: the preparation of interior design and mapping knowledge, Auto-CAD basic knowledge; according to the different needs of the design of the structure.

Nitrogen-containing heterocyclic compounds become main trend of chemical materials gradually due to its structure diversification, high selectivity, low toxicity and other environmental- friendly characteristics. Meanwhile, it is very important in pharmaceutical research and development. Wherein, people...

Risk assessment is vital to an information system. Current approaches usually rely on human experts’ experience to give scores to vulnerabilities in the information system and synthesize the scores to form the whole risk score of the system. The experts give such scores by understanding a vulnerability...

With the rapid development of information technology and network communication technology, Internet of Things technology to flourish, in the Internet of Things environment, not only contains the past network environment components, but also joined the intelligent object, it will form hundreds of millions...

Combined with a hot strip mill line, the laminar and step cooling mathematical models for cooling after rolling were introduced. The mathematical models mainly include air cooling model, water cooling model, setup control model, feedforward control model and feedback control model. Due to the delay of...

Aeroelastic response of gust is always an important problem in flight quality assessment. In this study, structure and aerodynamic solvers based on Lagrange equation and Euler equation are coupled with loose coupling method. Elastic general-purpose airplane and a high-aspect-ratio transport airplane...

The Local Regulation of Protection and Fulfillment of the Rights of Persons with Disabilities in Yogyakarta Province mandates that every person with disabilities has the same rights and opportunities to get a job. The government has obligation to facilitate persons with disabilities to get a job. The...

The Algeria North-South Expressway from Chiffa to Berrouaghia is located in Blida province and Medea province in northern Algeria, with the route along the Chiffa river valley, through the national park in Algeria, large tracts of vineyards and other agricultural land in Medea privince, and bypassing...

From the point of view of sustainable development, the durability of mine cemented paste backfill(CPB) structure has become more and more important. This paper mainly introduces the research status of the durability of CPB from the aspects of impermeability, heat resistance and chemical corrosion resistance....

In this paper, the basic principles of 3D printing technology was briefly introduced and several methods of 3D printing for metal materials were introduced in details, including Electron Beam Melting (EBM), Selective Laser Melting forming (SLM), Selective Laser Sintering forming (SLS), Laser Direct Melting...

Aiming at the problem that the matching error between the target template and the candidate template. In this paper, a new target tracking algorithm based on sparse representation of cooperative template is proposed. When constructing the target template, the global and local templates were used to set...

The use of fireproof thermal insulation material in building external wall insulation system is of great significance. In this paper, through the research of three kinds of fireproof polystyrene insulation board in our country building market in recent years, the comparison and analysis with traditional...

The use of Biodiesel as a diesel engine fuel is being prioritized by the government to replace the increasingly thinning fuel oil and to reduce air pollution due to diesel engine exhaust gases. It is expected that in 2050 fuel oil can already be replaced with biodiesel. Biodiesel that has started to...

This modeling was carried out to see the characteristics of water infiltrated through two different media types by considering the characteristics of the infiltration ability of each media. The media in the first layer is pervious concrete, while the media in the second layer is clay silt. The model...

This study examines the linguistic challenges in learning and teaching maritime law at Sorong Merchant Marine Polytechnic, focusing on students’ difficulties in understanding complex legal terminology and maritime English. Non-native English speakers face significant barriers due to specialized maritime...

With the rise of electric bicycles as a sustainable mode of urban transportation, the demand for convenient charging solutions has become increasingly critical. This paper takes Shunyi District of Beijing as an example, comprehensively investigates the current status of the utilization and management...

Indonesia has a tropical climate with high rainfall intensity. The longer the pavement is immersed in water and subjected to repeated loads, the lower the mixture’s durability will be. This research involved the addition of an additive in the form of Low-Density Polyethylene (LDPE) plastic waste using...

In the 618 Shopping Festival in 2024, Taobao and Jingdong announced the cancellation of pre-sale, and announced their own big promotion rules, it seems intended to make some new tricks in 618 this year. The five marketing trends of today’s e-commerce platforms are: price subsidy, new products, luxury...

Pyrolysis is a promising alternative for managing the substantial amount of low-density polyethylene (LDPE) plastic waste, particularly plastic bags. The high temperatures in the pyrolysis reactor can vaporize the plastic, necessitating a condensation process to capture this vapor as a liquid. The condenser...

With the development of the communication industry, the spectrum scarcity problem is appearing. Cognitive radio is a popular wireless communication technology. it can solve this problem efficiently[1].In the conventional model .we assume that the occupancy state of the primary user is constant ,which...

In order to demonstrate the feasibility of cooperative inversion of the vegetation indexes between FY-3A/VIRR, FY-3A/MERSI and Terra/MODIS, the NDVI from these data was compared. The authors selected 2012 year's data of FY-3A/VIRR, FY-3A/MERSI and Terra/MODIS which is covering the upstream of the Heihe...

Combined with recently-developed Bi-Telecentric system, a new three-dimensional measurement model is proposed in this paper based on existing measurement technology, which reduces the calculation of three-dimensional reconstruction. Then, an experimental platform is built to verify the reliability and...

Currently, green design is discussed just as a concept in industrial design area. With the spread of green knowledge, the consumption concepts such as reasonable and rational consumption and emphasis on ecological effect in consumption have gradually affected people's consumption behaviors. More and...

In the process of social and economic development in our country, China's science and technology is also constantly improved, including computer network technology. The emergence of network technology provides convenience for people's work and life, but there are many problems in the use of network technology....

The research and practice have proved that it is effective, easy to construct, and reliable quality to reinforce the concrete column with fiber cloth.Through the study of using FRP reinforced concrete cylindrical experimental process from domestic and foreign scholars,the preparation process of concrete...

A series of phosphotungstic acid and phosphomolybdic acid loaded CdS composites (HPW/CdS and HPMo/CdS) were prepared by impregnation method, and then characterized by FT-IR, XRD and TEM. The influences of different loading amounts on degradation rate of Safranine T under ultraviolet (UV) light irradiation...

Polyaluminocarbosilane (PACS) is an important precursor of SiC ceramics. And the molecular distribution of PACS has an essential influence on the properties of its derived ceramics. The importance of absolute molecular weight analysis of PACS and the convenience of gel permeation chromatography ( GPC)...

Transliteration annotation in Russian speech recognition corpus has been always a problem which is difficult to resolve due to its time consuming, low efficiency and difficulty in personnel and quality control. This paper presents a technology based on crowdsourcing, designs the crowdsourcing platform...

To resolve traffic conflicts, taxiway bridges are set in major airports. Taxiway bridges are different from highway bridges in load grades and structure types. The traditional test methods are short in two aspects: interrupting traffic, which seriously affects the normal operations of airport. And the...

This thesis conducted a comparison analysis via an experiment on clutch pedal effort hysteresis response characteristic in accordance with oil line characteristic which makes up the drive system in automobile clutch. Clutch drive system experiment Jig was composed and used in comparison analysis of response...

In this paper, computer security and firewall technology for a simple analysis, and then study the type of firewall technology, principles and the latest firewall technology, and to make some research on the firewall technology in computer security, such as the configuration of security services, configuration...

Visible light induced photocatalytic oxidation degradation of Acid Orange II dye was discussed. Bi2O3 was chosen as the photocatalyst. SEM showed that Bi2O3 powders were of about 7 to 8 um in size. It was porous and AOII could be effectively adsorbed on the surface of Bi2O3. And then the absorbed AOII...

Dynamic response of a functionally graded material circular plate subjected to thermal shock is investigated based on the von Kármán’s plate theory. The geometric imperfections of the plate are taken into account and the bottom surface of the circular plate is subjected to uniform thermal shock loadings....

Five new acidic ionic liquids were firstly synthesized from 8-hydroxyquinoline and five kinds of acid such as H2PO4, H2SO4, CH3SO3H, TSOH, HBF4 by one-pot method. The structures of the synthesized compounds were characterized by 1H NMR, IR and MS. Acidities of the ILs was determined by Hammett acidity...

Gathering and transferring pipeline network of oil-gas system exerts remarkable impact on construction cost for whole oilfield engineering. Based on analysis of previous optimization methods for oil-gas pipeline network layout, this paper introduces some frequently used optimization design methods and...

Hollow spherical joints’ stiffness has important effect on the strength and stability bearing capacity of reticulated shells. Because of complication of theoretical analysis and difficulty on experiments, the stiffness of hollow spherical joints which are applied widely in the large-span reticulated...

A conventional muffler of internal combustion engine is mostly constructed as a mixture or combination of perforated ducts, baffle or perforated baffle, expansion chamber, etc., and the noise reduction is limited and backpressure is high hence the fuel efficiency is low. In order to solve the problems...

Larch defoliation by Pristiphora laricis has caused great damage in China. Taking Saihanba Mechanical Forestry Farm of Hebei Province between 2007 and 2010 as the study area, the relationship between the Pristiphora laricis infestation and the habitat factors were analyzed after representative needles...

Monodisperse PbWO4:Tb3+ hierarchical ellipsoidal particles have been fabricated through a hydrothermal method by using trisodium citrate and SDBS as surfactants. The as-obtained PbWO4:Tb3+ are well-dispersed with narrow size distribution and are assembled by many closely packed nanoparticles. The as-obtained...

In this dissertation, an integrated factorial design about 70T Concentrated nitric acid tank is researched and implemented. Through the computation analysis of the body strength and its overall design of the frame, we get the improvements and optimization design scheme to its structural design.

In order to realize the high precision positioning indoor based on the technology of ultra wideband,this paper proposes one kind of algorithm based on the partial least squares (PLS) and particle swarm optimization (PSO) algorithm, for the problem about the search ability of PSO algorithm low efficiency....

Electromagnetic radiation pollution has become the fourth pollution sources on a threat to people's health. This paper selects ferrite as an absorbing agent, preparing a new anti-electromagnetic radiation gypsum board. The results show that, absorbing properties of gypsum board decreases first and then...

The active failure is important to the power system reliability. The effect of the active failure is proposed and analyzed to evaluate the power system reliability by the amending parameter method and the simulating failure method. in this paper. The need of the considering active failure is verified...

Objective: To explore the relationship between dose and efficacy of traditional Chinese medicine, to provide reference for the study of Chinese medicine dose and toxic medicine attenuated efficiency. Methods: Through the study on Chinese medicine dose effect relationship and access to the previous use...

During this time tourists are familiar with tourist destinations on Bangka Island only in the form of beaches, sea or marine tourism. While there are several cultural-based tourist destinations and religious and worthy to be developed. Bangka Island is an area with a strong Chinese ethnic culture, as...

Flexible pavement distresses are often caused by overloading with the combination of other factors, such as subgrade strength. Therefore, this study was conducted to investigate and analyze the effect of subgrade strength on flexible pavement mechanistic response with normal traffic loading and overloading...

The research was conducted in 2011-2013 in the northern forest-steppe of the Tyumen region. The vegetation period of hulless barley samples ranged from 63 to 80 days. The samples with the length of stages - seedling-heading - 38-42 days and heading-ripening - 29-33 days produced the yield higher than...

In view of the relationship between diseases and insect pests in the growth process of ginseng, the safety of ginseng planting production and the key scientific problems of product quality and yield are solved, and the signal identification model of ginseng disease and insect pest is adopted to ensure...

This article analysis the changes of Beijing talents policy in the new era. It categorized the policy as five aspects: talent introduction, talent life-support, talent training, Talent motivation, talent entrepreneurship, analyses the current situation of different kind of policy, point out the shortage,...

In this article, we use space geometry and linear optimization to set up the creative flat folding table of the optimal parameters of the model, and synthetically use Lingo and Matlab software to solve the model. In order to describe the problem, we first establish a rectangular coordinate system. Then,we...

In recent years, mobile technology and mobile-device have been rapidly developed. Since mobile devices collect and transmit large amounts of private information about users, malicious applications will pose a significant threat to the privacy and property security of the individual. Openness is a crucial...

The article deals with conditions and formation stages of steppe specially protected natural territories in the south-east of the Russian Plain and Volgograd region. To achieve the goal, the author used methods of field complex landscape-ecological studies, analysis of cartographic, literature and fund...

Nutritional Balance in feed is critical to improve the efficiency of feed. The use of oil in omnivore fish can serve as a spare protein-energy provider in addition to carbohydrates. Not only is the adequacy of the quantity and quality of protein that must be guaranteed, often the energy value is not...

This study presents a comprehensive spatiotemporal analysis of wildfire patterns across Mongolia from January 2005 to December 2024 using satellite imagery, covering a 20-year period of observed data. The study reveals characteristics of wildfire frequency, distribution, and trends at national and provincial...

The rivers of Bangladesh, particularly braided rivers, are highly dynamic and susceptible to frequent hydro-morphological changes, such as riverbank erosion, which poses significant challenges to riverbank protection. This persistent issue results in significant land loss and community displacement,...

At PPI Madiun, the power supply system to operate the level crossing doorstop is currently still dependent on electricity from PLN. However, to reduce dependence on electrical energy from PLN as recommended by the Minister of Energy and Mineral Resources (ESDM) and the Director of PPI Madiun, the abundant...

Wear is phenomenon of material loss that arises because of interaction of solid surfaces which mechanically loaded and in relative motion. Understanding wear phenomenon is important in teaching and learning process for subjects related to engineering materials. A tribometer is a typical tool utilized...

This research investigates the dual role of Aluminium powder in stabilizing and improving Aluminium foam production via the melt route. By mixing Aluminium powder with titanium hydride (TiH₂) before adding it to the melt, the powder acts as both a stabilizer and a dispersing agent for TiH₂, enhancing...

A novel prestressed NiTi-SMA/CFRP composite material was developed by utilizing the shape memory effect and super-elasticity of NiTi-SMA wires to apply prestress to the CFRP layer, and used to strengthen RC circular columns. Axial compression tests were conducted on one control column and four composite-strengthened...

By early 2023, Government of Republic of Indonesia has decided to apply a diesel fuel called B35 for petrodiesel compliment. This substance is a mixture of biodiesel and petrodiesel. The decision is made to anticipate decrease of petrodiesel reserve as well as for better environment and sustainability....

Vertical climbing greenery, as an energy-saving design tool, has a significant effect on improving the building microenvironment. The purpose of this study is to quantify the effect of vertical climbing greenery on the building microenvironment in summer, especially for a school building in Shenyang...

A supramolecular complex containing one ruthenium(II) center (RuIIchro) and two copper(II) centers (CuIIcat) has been prepared facilely. The complex was employed for decarboxylation of carboxylic acids with molecular oxygen (O2) under visible–light irradiation, resulting in aldehydes. The photocatalytic...

With the development of computer network, the protection of network information from various attacks is becoming more and more serious, and has become the basic purpose of network security. However, because of diversity and openness of computer network connection with the terminal and the network distribution...

Accommodate the problem of the amount of information for the general black and white two-dimensional bar code is relatively small and the Chinese character coding efficiency is relatively low, we propose a color two-dimensional QR barcode.This scheme focuses on the color two-dimensional QR barcode encoding...

In this paper, iron tailings and cement are used as the basic raw materials. Through studying strength and dry density, we explore the feasibility of preparation of foam concrete using iron tailings.

The paper proposes an improved underdetermined blind source separation (UBSS) method of nonlinear mixture, which can be applied to the communication signals' separation during data link transmission in the complicated electromagnetic environment. The proposed method combines the advantages of wavelet...

Cyclonic duster has become the mainstream in fully mechanized workface, better than any other kinds of dusters in dust removal efficiency, sewage discharge, disassembly and assembly, moving with the boring machine etc. This paper reveals the effect that the opening of the throttle plate significantly...

Possible solutions of this problem and environmental security are considered in this article, solutions are based on a scientific study on recovery and recycling of oily waste. The method of oil extraction in the purification of oil-containing wastes using solar energy is worked out, given method based...

Through benchmark concrete proportion to material composed of adaptability and efficiency test, add special preparation of concrete admixture, mechanism of different stone powder content of sand sand mechanism of C55 high performance concrete performance impact study. The test results show that the special...

The dual-tutor system is a training model. The Institute of Materials Science and Engineering of Shandong Jianzhu University began to carry out the dual-tutor system in 2006 to improve the quality of cultivating students and to strengthen the construction of connotation. The training mode on graduation...

This paper makes an investigation and analysis on the status of special shaped parts processing of wooden furniture. On this basis, according to the shape and structure characteristics, the special shaped parts are classified. In addition, the processing procedure of solid wood special shaped parts is...

The paper deals with ways to process control of forming the surface quality parameters according to a desired law with the help of machining by surface plastic deformation on CNC machines, which allows ensuring the uniformity of surface operational properties when working in conditions of unstable operating...

The article presents the results of wind modeling with the effects on high-rise building in the aerodynamic tunnel; the data were applied to complete the calculations of the load-bearing structures with wind and seismic loads. This resulted in obtaining the forms of natural oscillations of a high-rise...

Based on the finite element method, this paper establishes a differential equation of the coupled gear-rotor motion by applying MATLAB. The coupled bending and torsion vibration were considered in the equation. The eigenvalue and eigenvector were acquired through order reduction and solution of the homogeneous...

In this paper, By choosing four kinds of grinding aids better one-component, The grinding aid of cement grinding aids is determined by orthogonal optimization. By adding different inorganic reinforcing components, Developed a cement grinding aids. The result turns out, compared with blank sample, the...