Advances in Engineering Research

3D bioprinter is an emerging interdisciplinary technology, which offers a new plan not only for the functional materials, ( droplets, drug delivery, organ regeneration, tissue engineering), but also for the new artificial vessel called 3D vessel bioprinter. In this paper, we developed a theoretical proposal...

The purification effect of the blow wash method, low thermal air blow wash method, vacuum method and alcohol cleaning + blow wash method for helium mass-spectrometer back pressure leak detection were researched and compared. It is found that these four purification craft will not accelerate the helium...

Many important reasons influence the organization needs of adoption change as strategic decision. Among this reasons the internal and external forces that inforce organization to find new ways to improve performance on both organizational and individual levels. By applying change, the organization need...

The rough set theory, introduced by Pawlak in 1982, is a formal for dealing with the uncertainties. But it cannot directly deal with the uncertainties with order structure. The lattice theory, introduced by Peirce and Schr$ddot{o}$der towards the end of the nineteenth century, is a mathematical tool...

An anti-bias passive localization algorithm is proposed to solve the problem of single motion platform passive localization based on bearing-only for fixed emitter target when system bias exists. Bearing difference measurements are constructed through analysis of bearings-only measurements. After linear...

Chunk Grammar, as the basic research in natural language understanding technology, is very important in language research area. In this paper FSA(Finite State Automaton) technology was introduced to parse chunk in order to simplify the parsing procedure of the syntax and improve the accuracy of parsing...

Regional energy internet is the key to achieving multi-energy synergistic optimization and efficient use of energy at the regional level. This paper focuses on the multi-energy synergistic optimization of regional energy internet and constructs a model based on demand side responses, considering total...

Intelligent image recognition is a technique that enables image information to be digitized quickly and accurately. Optical Character Recognition (OCR) is an important technology in the field of application research such as machine vision and pattern recognition. This paper summarizes the background...

In order to detect the defects of inner and outer surfaces of thick-walled pipes, Rayleigh waves flexible transducer with non-equidistant comb is designed. Firstly, an optimization design method based on the concept of mutual admittance is proposed, and the amplitude frequency characteristics of Rayleigh...

Taking education as an example of discovery learning community to explore web2.0 environment design and build cloud learning platform. Based on the principles of SLL design, display SLL cloud learning platform system architecture, technology adoption Wordpress2.7 for supporting, relying on the "mix"...

The flotation separation behaviours of mercury (II) by sodium chloride-potassium iodide-octadecyl trimethyl ammonium chloride system were studied.The effects of different parameters,such as the dosages of KI and octadecyl trimethyl ammonium chloride(OTMAC),vari- ous salts and acidity etc. on the flotation...

Output power of Photovoltaic generation system is influenced by temperature, humidity, solar radiation intensity and so on. The effects of three kinds of external climate conditions, including temperature, humidity, solar radiation intensity, on photovoltaic output power were anal sized in detail in...

This paper introduces a test for the dynamic split tension of fiber concrete. The dynamic-split-tension test, which used a Hopkinson bar, was performed for plain concrete, steel fiber concrete, and polypropylene fiber concrete. Test phenomena were described and analyzed. The effects of different fiber...

A laterally-driven MEMS inertia switch was designed, and its off-axis sensitivity was analyzed and evaluated. The dynamic response process was simulated by ANSYS finite-element model, which indicated that in the designed inertia micro-switch, the distribution of serpentine spring symmetry, the proof...

Least square support vector machine (LSSVM) algorithm is suitable for the data processing based on finite number of training samples to forecast the unknown data by a nolinear model. It has preponderance for solving the small sample, nonlinearity problems. Without prior information of sea waves and the...

In our study, computer graphics are discussed and they are collected by the image sensor with an analog electrical signal. During acquisition of image, 3D space is relative to the camera system of different viewpoints with the same goals, it will cause the target respect to the change in orientation...

In order to improve the comprehensive prospecting effect, wide field electromagnetic instrument system is used in Liaoning Benxi ore concentration area for large depth and high precision geological mapping experimental work, 2D inversion imaging work is conducted based on nonlinear conjugate gradient...

Over the past few decades, there has been large-scale land reclamation in the Hangzhou Bay, which inevitably has affected the hydrodynamics in the bay. In this study we set up a 2D hydrodynamic model based on Mike21 Model to investigate the changes of hydrodynamic in the Hangzhou Bay due to large-scale...

According to the requirement on load and glide slope of parafoil in practical engineering, the parameters of aspect ratio, span and anti-arcangle are computed and designed based on the known two-dimensional airfoil cross-section of parafoil. Firstly, with finite volume method to solve the Navier-Stokes...

In the paper, the methodology of creating a rational system of providing special vehicles, operating in the oil-and-gas sector, with spare parts is presented. As a result of the study, the criteria of effectiveness of providing with spare parts were determined. The method of rational distribution of...

Objecttive:According to the difficult in selecting parameter of SVM when modeling on the gas quantitative analysis,and existing methods need long time to finish,SVM optimized by improved grid search method was proposed to built a model to quantitatively analyse infrared spectrum of CO2 gas. Methods:We...

The foundation-structure of the building is an important research direction in the field of the geotechnical engineering . The pile foundation is the key research direction in the field of basic research, the pile foundation with its powerful bearing capacity is widely applied in engineering areas ....

Cloud point extraction was used with 1-(2-pyridylazo)-2-naphthol (PAN) as a pre-concentration step prior to UV-vis spectrophotometer determination of trace amounts of manganese in water samples. The process is based upon the formation of Mn( )/PAN complexes soluble in a micellar phase composed by the...

It is hard to program a traditional forest sub-compartment management with a long programming cycle and high energy input and lack of computer technology support, such, this paper presents a visualization technology of the sub-compartment management procedure based on WF. The paper, with the programming...

According to the problem of poor optimization performance and convergence performance of the current computer network’s optimal routing algorithm, this paper puts forward the improved quantum evolutionary algorithm based on computer network routing. On the basis of traditional quantum evolutionary...

Rock mass are naturally occurring construction materials which are subjected to in-situ stresses. In-situ stresses occur due to the weight of overburden and tectonic stresses. Prior knowledge of in-situ stresses is important before aligning the longitudinal structures in rock mass such as tunnels and...

First of all, this paper analysis the risks on the cloud calculation briefly, and then according to its own characteristics and traditional assessment method for risks lying in information security of cloud computing, it studies the of risk assessment on information security based on cloud computing...

In the design and operation in the field of ac power, reactive power is an important factor to consider. Reactive power in the power generation, transmission and distribution of three parties is extremely important, and it is also very important for the normal operation of the load. Based on SVG basic...

Based on the Mixed Excitation Linear Prediction (MELP) model, this paper presents a vocoder to obtain high-quality synthetic speech at 800 bps with 25% redundancy for channel coding. The vocoder parameters are designed and an unequal error protection method is proposed to improve the robustness over...

A fast method of aerodynamic computation (FMAC) is put forward for compound gyroplane. It combines advantages of the blade element momentum theory and the engineering estimation method. To fast obtain aerodynamic characteristics of the compound gyroplane, the FMAC simplifies the interface between rotor...

As for Highway, the paper put forward a kind of algorithm model via using the data from vehicle detectors in the fields and data of ETC and manual Charging system in Tolling stations. Based on it, the paper give off algorithm design and are implemented. The applications on road traffic management show...

The article analyses the formation of the transport corridor "Lensk - Mirny - Suntar - Nyurba - Vilyuysk - Yakutsk" in the territory of one of the north-eastern regions of Russia - the Republic of Sakha (Yakutia). The justification of the significance of the development of the transport corridor for...

One of the main characteristics of the quality of plywood is its environmental friendliness, which is characterized by the content of free formaldehyde. It is necessary to use low-toxic amino-formaldehyde resin for the production of plywood with a low emission of formaldehyde. These resins have a low...

In orderto analyze and evaluate the residual deformation of longwall goaf and its effect on new buildings, the stability of building foundation above the old longwall goaf was studied using the FLAC3D software. According to the results of probability integral method, the mechanical parameters of the...

The study was conducted to determine the increase in nutrient content and decrease in the lignin content of cocoa pod fermented with Aspergillus niger. The research method used was three treatments and four replications. T0 = cocoa pod fermented without the addition of Aspergillus niger, T1 = cocoa pod...

Remote medical monitoring system will be a sound health insurance system in China, enhance the inevitable development trend of medical services; the same time, achieve the optimal allocation of medical resources. Aiming at the current situation of domestic medical care and combining with the characteristics...

In order to facilitate the user to select the information, a RSS information push system for library information was proposed. The actual situation of the library was investigated. Combined with the recommended technology, the library information push platform was designed. The design of the information...

Relationship between daily travel satisfaction and individuals’ travel behaviour has been explored by the number of studies. However, previous studies were rarely to examine the effect of daily activity in conjunction with travel participation on daily travel participation. Using general descriptive...

This research aimed to develop English textbook for Early Childhood Education Program Students. The study utilized research and development (R & D) with questionnaire and interview as the data collecting technique. Questionnaires were given to the students of early childhood education program that...

Casuarina equisetifolia empty fruit has been utilized as activated carbon material because it is abundantly available in nature. The fruit was activated by metals hydroxide, namely potassium hydroxide and sodium hydroxide for dyes adsorption. The present work was aimed to evaluate the adsorption properties...

Observation was conducted in the surrounding Bintan Island Waters to collect the ocean surface current data including moored and stationary recording during first transitional monsoon (March-April). Tidal current pattern in all regions of Bintan Island (north, east and southwest) is simulated using 2D...

Personnel in security guard posts are protected from gunshots and explosives while on duty. Hence, compared to traditional prefabricated huts, these are called “Bulletproof Security Guard Posts.” The best way to secure access to high-risk locations, such as government buildings and military bases, is...

The playable street is an indispensable part of a child-friendly city. Taking “playability identification” as the orientation, the study explores street playability from the subject and object dimensions and groups index factors into different hierarchies via the analytic hierarchy process (AHP). Accordingly,...

Non-Destructive Testing (NDT) was used to assess the link between P-wave velocity and engineering parameters in weathered limestone near Batu Caves, Selangor. This study specifically investigated the relationship between ultrasonic pulse velocity (UPV) and rock uniaxial compressive strength, utilizing...

In tropics, a significant amount of energy is used for ensuring thermal comfort in buildings. The geometry of a building is a major factor in the early design stage, affecting not only the thermal comfort of occupants but also energy consumption and construction costs. The majority of studies on thermal...

The rapid advancement of digital communication has transformed public service complaint management, enabling citizens to report issues through platforms such as SMS, websites, and social media. In Semarang City, the LAPOR! system facilitates public complaint submission, requiring efficient categorization...

This study aims to analyze the influence of continuous professional development in supporting the professional development of learner teachers on the competence of VHST. To answer the problem, expose facto research was conducted. A sample of 99 productive VHST who took the teacher competency test in...

Concrete formwork technology and support system technology are important construction technologies in construction, and have been widely used in long-span projects. With the development of the construction industry, some construction projects are usually applied to tall concrete formwork projects and...

Research on design of the second generation of UIN Sunan Kalijaga’s UV fluorescence spectro-imaging system was done. The purpose of this research was to make a design of the second generation of UIN Sunan Kalijaga’s UV fluorescence spectro-imaging system as a development of the first generation. This...

Microwave drying is a dehydration process that is often used to preserve a food or material. In this study, sea bass leathers were dried by microwave technique. In order to improve the productivity, the microwave energy was applied to decrease the drying time. The sea bass leathers were dried to the...

In the field of measurement and control, spacecraft trajectories are known, in most cases you can use the spacecraft trajectories of spacecraft in terms of the motion brought by the Doppler effect. In the Doppler search range smaller conditions, based on cycle-related pseudo-code parallel acquisition...

The analysis and prediction of arch dam temperature is very meaningful to engineering maintenance and disaster prevention. Taking the arch dam temperature monitoring data as the research object, the ARIMA-RTA combination forecasting model is improved by using the ARIMA model's higher fitting capacity...

With the age of big data coming, it provides unprecedented development space to real estate assessment. It’s no longer difficult to gain massive, multi-source and multi-scale data. In order to extract effective knowledge and information, the enormous data not only need to be saved reasonably and normatively,...

Aiming at the high locating error and the underutilization of redundancy bearing measurement in Pyroelectric Infrared Sensor (PIR) location system, a novel method of bearing location based on Radial Basis Function Neural Network (RBFNN) is presented. After illustrating the region partition model of PIR...

This paper puts forward the passive and wireless SiCN temperature sensor in the applicability and necessity of the turbine engine internal environment temperature measurement. Using the principle of resonance frequency scanning tracking method based on perturbation to be the system test method, while...

Based on the food cold chain transportation, the problems of food cold chain logistics in our country is expounded. The Internet of things technology system can provide the feasible countermeasures for the food cold chain logistics.

Based on the meteorological and hydrological data collected from in Xiangxi River watershed during 1974 -2010,the mutation point of the sediment yield and precipitation were detected with the help of Pettitt test,accumulative anomaly analysis and double mass curve analysis . Meanwhile ,the proportion...

Avionics system presents a comprehensive, modular, network and other trends, with a high degree of resource sharing, data integration and software, highly intensive and so on. Integrated avionics system to ensure a high degree of information sharing, enhance the efficiency of aircraft task execution...

With the continuous development of Internet technology, means of network attack are constantly renovated. This paper mainly studies the technical characteristics of evading technology in data disguise, constructs a attack model with evasion technology using open source Metasploit and fragroute, and builds...

This paper takes "The research and application of scheduling clock synchronization system" science project of Jilin province electric power company control center. This paper develops a time synchronization management module based on VxWorks embedded system in the end station dispatching automation clock...

The WQ960 steel is high strength steel, which is widely used. The WQ960 high strength steel was welded by gas metal arc welding under longitudinal magnetic field. The tensile strength, impact properties and microstructure were tested by tensile test, impact test and metallograghy test, which were under...

The co-culture of microorganisms involves at least two microorganisms or more in an environment of confined conditions, which is induced by microbe communities that are ubiquitous in nature. Therefore the attentions of people are increasingly attracted to utilize the co-culture approach in many fields....

To investigate the performance of pile supported embankment, five key influencing factors are chosen for parametric study. The influencing factors include the peak length of pile cap, pile diameter, pile spacing, elastic modulus of pile and tensile stiffness of geosynthetic. The settlement at the embankment...

Reference to the domestic and foreign relevant technical data, the paper design and manufacture enamel materials with a temperature resistant shock resistance and acid resistance excellent chemical stability, research on microscopic morphology of the enamel surface by scanning electron microscope, the...

In the dynamic process of warship combat system alignment, the data of shipboard radar measurement at sea calibration object contains outliers with trend item, it can not simply be excluded based on some statistical algorithms. In this paper, an outliers excluding algorithm was proposed based on wavelet...

Community of complex networks has attracted much attention. For the problem, we propose a local heuristic genetic algorithm (LHGA). Mutation of LHGA is combined with local heuristic function from the perspective of networks dynamics and makes convergence rate of this algorithm expressively improved....

Tetrabutylammonium bromide (TBAB) aqueous solution could effectively absorb SO2. To well know effect of sulfur dioxide on the properties of TBAB mixtures, the viscosity of the tetrabutylammonium bromide aqueous solution and the mixtures containing SO2 and TBAB aqueous solution were measured. The results...

Air traveler require high reliability time to reach airport, especially for traveler with connecting flight. The airport access may not have an exclusive lane to support the reliability time. Therefore, this research attempted to make a map of the travel time to the airport from districts in airport...

This research aims to describe the local wisdom of nibung as Riau’s Mascot Flora. The survey method used in this research. The research method used included field observations, discussions and deeply personal interviewed with the local community in Baganbatu Regency, Bengkalis District, Riau Province....

National data on the number of poor people has declined. However, it still remains vulnerable. The existence of economic turmoil, such as crop failure and rising fuel prices can quickly add to the poverty rate of farmers. This research question relies on the fact that there are still many empirical studies...

Yacon (Smalanthus sonchifolius Poep p. Endl.) root is a source of inulin and fructooligosacharide (FOS) which potent as a prebiotic. Inulin and FOS hydrolyzed to glucose and fructans by inulinase which is secreted by probiotics bacteria and further metabolized to short chain fatty acids (SCFA) that were...

In Wireless sensor network, node error, energy depletion and other factors will lead to the appearance of hole which will cause network failure. In order to make the network more efficient, repair method based on the hybrid network model is proposed, namely activating a number of non-active nodes and...

In modern society, internet information presents rapidly development, and mass media is playing an increasingly important role in spreading public opinion. The interpersonal relationship network is the carrier of public opinion of interpersonal communication, the scale-free network model constructs the...

One major problem when using ber reinforced polymer (FRP) to strengthen structures is the presence of high interfacial shear stresses near the end of the RC beams which might impact on the debonding failure modes and working mechanism. Interfacial debonding failure may occur at the plate ends due to...

As a kind of fluid, the motion of vacuum arc is complicated and various. Its structure and distribution have a significant effect on vacuum interrupters' comprehensive properties. A method to analyze of arc flow field's dynamic feature based on optical flow is proposed aiming at complicated flow field...

With the acceleration of urbanization, the city is also facing the challenges of environmental pollution, traffic congestion, energy shortage, housing shortage, unemployment, disease and so on. In this background, "sustainable city" and "smart growth" become a feasible way to solve urban problems, we...

The Menanga Village has interesting traditional houses and village layout. There are some unique architectural shapes, easily known and remembered by the observers’ minds. This study combines descriptive and graphical method with quantitative analysis to translate the mental map into a variable map,...

Spreading data or info through internet to increase the chances of success in a business through analysis of market trends is very common today. Web Crawl is one important thing, so that the incomplete data will not be appeared, and the data received is the most recent data. Exploration Web crawler technology...

At this time the role of technology is very important as a supporter of activities in various fields, one of which is in the industrial sector, especially in buying and selling activities. MochIcecream is a home-based business that requires advanced technology at this time. Therefore, MochIcecream utilizes...

Currently, the Government of Indonesia is developing an international standard port in the Patimban area, Subang and it is hoped that this port can reduce export-import density at the Tanjung Priok Port. This final project aims to determine the customer switching behavior in the hinterland area if the...

The water of the Citarum river in West Java is used as a water source for three hydropower plants, and some industries operate along the river area. Besides industries, the Citarum river also accommodates domestic and livestock waste. These lead to very high-level pollution in the Citarum river, especially...

Data analytics is a new approach for auditors to prevent and detect fraud involving examining patterns in actual data. However, implementing data analytics requires a significant investment in hardware, software, skills, and quality control in the business world. This paper aims to analyze data analytics...

3D printing is a new additive manufacturing technology that many consider to be a “disruptive” technology that will change the world, claiming it will trigger a new round of industrial revolution. Due to the many defects brought about by open-loop control in traditional 3D printing, more and more researchers...

The indoor air quality is a critical issue that must be addressed as it can have an impact on human health. The numerous activities taking place indoors can lead to air pollution, making it a serious concern. Indoor air pollution sources include cigarette smoke and emissions from electronic devices....

The aim of this study is to develop an electronic portfolio assessment within a cybernetic approach to enhance students’ critical thinking skills related to salt hydrolyzed materials. The method used consists of three 4-D phases. The participants of this study were 30 MIPA 11th grade. The developed portfolio...

Greenport or eco port is a sustainable port development by taking into account the environmental impact in its operation. The crowded port due to high mobility requires the port to have a greenport concept so that port activities run smoothly and do not have a negative impact on the environment. Ports...

The construction sector is a significant contributor to carbon emissions, high energy consumption, and excessive exploitation of natural resources. Sustainable construction offers a solution to reduce environmental impact while maintaining efficiency and sustainability. This study focuses on optimizing...

Fresh milk is a product that is susceptible to physical, chemical and microbiological contamination. It can cause risks to the food safety of dairy products. In this study, the principles of Good Manufacturing Practices (GMP) and Hazard Analysis Critical Control Points (HACCP) were used to analyze hazards...

The pore shape of spunbonded nonwovens and its influence on the filtering quality were investigated in this study. An index named the filtration index (FI) was first proposed to characterize the performance of the higher filtration efficiency against the lower pressure drop of spunbonded nonwovens. A...

In this paper, we present the pairing computation on Jacobi quadric curves using weight projective coordinates. In our algorithm, the cost of addition step reduced to 1M+(k+9)m+3s+1mt, and the cost of doubling step is 1M+1S+(k+3)m+8s+2ma+1md.

Carrying on numerical calculation for oxy-fuel furnace gas movement under different speeds spout by using FDS direct numerical simulation software module. And analyzing the influence of different nozzle gas velocity on the velocity field and vorticity field distribution in the furnace under the condition...

The high-purity aluminum with a purity of 5N5 was cold-rolled with a cumulative deformation of 70%, and the deformed high-purity aluminum was annealed at different temperatures and time. The microstructure and mechanical properties of deformed high purity aluminum and heat treatment were studied by means...

With the continuous improvement of the economy, the tourism industry has gradually become a trend, rich attractions, service diversification has been loved by the majority of tourists. However, with the rapid development of tourism, it is also faced with many difficulties. It is very important to carry...

By adopting the single chip computer ATmega16 as the control unit, a frequency counter is designed based on the input capture function of the single chip computer assisted with the appropriate software and hardware resources. This frequency counter can realize real time, high-precision frequency measurement....

In order to ensure the normal operation of the ship propulsion system and ship navigation, this paper analyzes the deformation of a bulk carrier with workbench by means of finite element analysis. The relative displacement of the bearings under different working conditions is calculated, and the relationship...

A model for network vulnerability evaluation based on cumulative prospect theory is proposed for more accurate evaluation of the effects of travelers’ behavioral responses on road network vulnerability caused by link closure. In the proposed model, the effects of both demand variations and travelers’...

After analysing the advantages and disadvantages of the existing bridge management system, method about the establishment of optimized bridge maintenance and management system have been put forward. Analysed from three aspects including business process, disease gallery and standardization of data collection,...

Coal burst and mine earthquake frequently occur with high strength in impact roadway. Bolting system will produce a certain dynamic response under the impact load disturbance. Bolts will be damaged and rock will be instability when it serious. How to design bolting system in impact roadway is a major...

Cuprous oxide (Cu2O)nanomaterial has been successfully obtained by a simple sol-gel technique. The characterization indicated that the powders have a good crystalline structure, and the synthesis was successfully controlled in nanoscale.Cyclic voltammetry (CV) revealed that Cu2O cubebox exhibited a direct...

SBR process is similarwith DAT-IAT process on operating procedures, the biggest difference is whether the process is able to accept the continuous influent or not, the advantages of SBR process is that the operation and equipment is simple and quality of effluent is good. In terms of DAT-IAT process,...