Advances in Engineering Research

Objective: To survey estrogenic activity of Environmental estrogens (EEs) pollution in Songhua River water of the second Songhua River.Methods: human breast cancer MCF-7 cell proliferation experiment were used to detect estrogenic activity of organic extracts of organic extracts from water body. Results...

In most manifold learning based face hallucination algorithms, the nearest neighbourhood metric is often adopted to describe the face subspace, which could not accurately capture the local geometrical structures of the samples. In this paper, a novel face superresolution approach based on adaptive neighbourhood...

The thermal protection test can be done by high temperature and supersonic gas jet, which plays an important role in promoting global thermal protection system development over the past few decades. The principle, characteristics and applications of the test method are presented. Furthermore, the development...

Now, the type of simulation software is varied, and because of its powerful functions, so MATLAB precisely has been widely used in many areas, this paper describe the value of MATLAB simulation applications in electrical engineering and automation industry. In the AC and DC speed control system, power...

In this paper, the three-dimensional CNC laser cutting machine as the research object, the finite element analysis software platform, using the related theories of modal superposition of the main moving parts of 3D CNC laser cutting machine for instantaneous modal analysis and the equipment of dynamic...

This paper mainly introduces the mold design using Pro/E the fan cover and fan blades. The main contents include: the basic knowledge of Pro/E, fan mold design of Pro/E function command. The whole process of mold design with Pro/E, introduces the method of mold.

This paper introduces the rapid hardening sulphoaluminate cement as cementitious materials, polypropylene short cut fiber as reinforcing material. Through the development of physical foaming cellular concrete and polystyrene foam plastic board, craft processes and product performance of non-load-bearing...

In order to advance the transmission data rate and meet the traffic needs of users, the higher requirements for wireless communication system radio resource management was put forward by mobile operators. Meanwhile, considering lower rate radio resource utilization resulted from unreasonable particle...

Increasing demands on strict geometry and dimensions requirements of plastic parts need systematic research in the injection moulding field with impact on dimension stability. This work is focusing on optimization of the chosen processing parameters and their mutual interaction. The aim is to reach as...

Since the dimension of face features which is presented by Gabor wavelet is too high, there has large computation if using the feature by Gabor wavelet transform for recognition directly. A novel idea based on Gabor wavelet transform and modular Two-principal component analysis for face recognition is...

Fe/BiVO4 photocatalyst was synthesized via a low-temperature solid state method by using the Bi(NO3)3•5H2O, NH4VO3 and Fe(NO3)3•9H2O as starting materials. And X-ray diffraction (XRD), Scanning electron microscopy (SEM), Infrared spectroscopy (FT-IR) and Ultraviolet-visible diffuse reflectance spectra...

The fatigue requirement of casting aluminum alloy is varied for different industry, however, it is hard to avoid porosity, shrinkage, or slag during the casting process, leading to uneven quality of casting. the fatigue strength will be influenced by casting porosity, DAS length or stress level. This...

To solve the problems of partial implicit feature information loss and long-time model training caused by matrix factorization on recommended algorithm of latent factor model (LFM), a recommended algorithm of user clustering fused with latent factor model is put forward. Firstly, the users’ preference...

The optimal sizing design of truss structures is studied using the recently proposed particle swarm optimization algorithm (PSOA), in which the social behavior of birds is mimicked. Individual birds in a flock exchange information about their position, velocity and fitness, and the behavior of the flock...

This paper mainly discusses statistical arbitrage model in the application of agriculture futures inter-commodity arbitrage. Based on the substitution relationship, three arbitrage strategies have been designed. Different from the traditional threshold setting method, this paper puts forward the optimization...

In order to study the life modeling problem of the PTEE material, this paper proposes a Compound Poisson process life modeling method for PTEE material, which performance degradation process is modeled by the PTEE material impact fatigue crack. In the impact work condition, the number of impact times...

A novel complex with nitrilotriacetamides(L) has been synthesized. Single-crystal X-ray diffraction analysis determined the molecular formula as C12H28N8Na2NiO10. The crystal belongs to the triclinic system with P-1 space group. In this molecule, the L ion exhibits an infrequent coordination mode. The...

In the subway engineering, increasing the resistivity of main structural material can improve the corrosion resistance to the stray current and the durability of structure. It is greatly significance to increase the resistivity of concrete by optimizing its mix proportion and realizing the influence...

In recent years, with the growing attention to Chinese own cultural characteristics, how to create a unique cultural landscape space has increasingly become one of the most important topics in landscape architecture, especially in the urgent need of activation and renewal in historical areas, scenic...

It's very crucial for men to have a fit trousers since wearing it is an only option in their daily life. Fit trousers represent comfort and aesthetics. As an essential part of structure in trousers, crotch has deeply influence on the fitness of trousers. This paper focus on the crotch shape of male's...

In the period of economic crises and political instability, issues of financial support for small and medium-sized enterprises are of particular relevance. The purpose of this study is to develop a theoretical and methodological model of financial support system for small and medium-sized enterprises...

Students’ reading ability is the main skill that students must have to achieve their success in the learning process. School as the main instrument in improving the quality of human resources must be able to develop this reading ability by implementing a reading culture or habit in schools. The purpose...

In the midst of an increasingly widespread coronavirus (COVID-19), online lectures are a solution to keep running teaching and learning activities instead of class meetings. The purpose of this study was to create learning media using a 3D blender animation media and a self-assessment platform as well...

This study examines the optimization of payment transaction speed on a badminton field rental website, utilizing the Paired T Test and integrating the Midtrans payment gateway. In the context of the 4.0 revolution, where rapid advancements in technology significantly impact business operations, the efficiency...

South Sumatra’s Light Rapid Transit (LRT) was built to support the 2018 Asian Games in Palembang. After the 2018 Asian Games, LRT is used as an integrated mode of transportation to support community mobility. Seeing the importance of the South Sumatra LRT, it needs to be evaluated to maintain passenger...

The underground rock mass, especially the surrounding rock of the offshore orebody, has been in the groundwater environment for a long time, and the hydrochemical corrosion has become an important factor affecting the mechanical strength of the surrounding rock. At the same time, the underground environment...

Electrochemical water splitting is a key method for clean, sustainable, and green hydrogen production, in which hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are the essential reactions underlying this phenomenon. These reactions are relatively sluggish in the perspective of reaction...

There have not been many previous studies on the thermal parameters of oyster shell walls, especially when it comes to the calculation and analysis of unsteady heat transfer. In this study, the thermal parameters of oyster shells were first determined using a Hot Disk experiment. Secondly, a single-room...

The issue of multimedia users in learning systems still stems from traditional patterns based on paper textbooks and evaluations in the classroom that are vulnerable to cheating, such as copies and leaks of questions from national exams, illegal use of media materials in the form of presentations and...

Internet features interactive, anonymity, and personalization, which have been changing people's habit. Many apparel commodity and consumers are both exposing to the Internet, giving comments, sharing information, obtaining resources. Based on reviewing relevant literature, this paper is aimed to take...

To the problem of the unchanged rotating speed of the old well pipe centrifuge, the paper firstly introduces the composing and characteristic of coaxial self-vibration and variable-frequency centrifuge of tube&mould for new type well pipe and educes the corresponding speed and time of the centrifugal...

A new type of epoxy composite with self-healing functionality was successfully developed in this work. Self-healing is achieved via embedded microcapsules containing diglycidyl 1,2-cyclohexanedicarboxylate(DGCHD)and microcapsules containing modified aliphatic amine(HB-1618) hardener. This paper also...

Responsibility Identification; Digital Rights Management; Electronic Document Protection; Digital Fingerprint

Two-photon polymerization is considered to be one of the most promising technique, which could achieve the structured process of three-dimensional micro-nano structure fuctional device. In order to improve the machining precision and machining efficiency of formed parts, in the process of two-photon...

Aiming at the distribution characteristics of the stop-point data obtained from the mobile phone travel survey, this paper proposes an algorithm of extracting the hotspot area of urban residents by hierarchical clustering method. The algorithm is implemented and the effectiveness of the algorithm is...

Through analyzing and testing the microstructure and chemical component of the samples after laser remelting, the influence of laser remelting on K423A nickel-base superalloy were studied. The results showed that, laser remelting had a significant influence on surface topography of K423A nickel-base...

According to grey correlation method is used for multi-level comprehensive evaluation model of the optimal design scheme selection, the fuzzy index exists in the design scheme index, based on triangular fuzzy number of grey correlation theory is proposed on the multi-level comprehensive evaluation model....

The transient damage problems of copper alloys are the central topic for improving the accuracy and lifetime of electromagnetic launcher. The research works on transient damage behaviors of copper alloys under high-speed sliding electrical contact during the past two decades were summarized in this paper...

The extraction of nattokinase with two-phase aqueous system was studied.Distribution behavior of nattokinase with PEG400/(NH4)2SO4 and PEG6000/MgSO4 two-phase aqueous systems were studied respectively. PEG400/(NH4)2SO4 two-phase aqueous system is suitable for the extraction of nattokinase. Various factors...

There is a great difference between the inter-frame spectrum of ship radiated noise and marine biological noise, so we can identify the two kinds of signals with the difference of inter-frame spectral similarity. This paper describes the inter-frame spectral similarity of the two signals quantitatively...

The development of modern industries with innovative technologies for the construction materials industry, including products and structures for construction purposes made of composites and construction plastics, nano-structured and other construction materials is outlined in the "Strategy for the development...

The paper presents a method for the formation of an exact self-similar solution of the hydrodynamic calculation of a wedge-shaped support (slider, guide) operating on viscoelastic liquid lubricant caused by the melt of the guide, taking into account the dependence of viscosity and shear modulus on temperature....

In recent years, with the rapid economic development of developing countries, the contradiction between economic development and resources and environment has become increasingly acute. It is of great practical significance to study the power market demand forecasting method for energy conservation and...

Taking the coal-bearing strata with fine sandstone-siltstone interbedded structure as the example, 12 different types of stratified structure models were constructed with the quantity of rock strata, rock-soil ratio and mining depth as the variables. Based on the theory of key stratum, the stability...

The modal analysis is an important part of the dynamic performance analysis tool. The 3D numerical models of a heavy duty machine tool is established by CAD sofeware. Then, the natural frequency and the modal shape of the machine tool modal analysis is obtained, which can provide the support for the...

In order to study the MTDC model and control strategy based on modular multilevel converter, Firstly, according to the working principle of MMC, The mathematical model in the DQ coordinate system of the multi-terminal direct current based on voltage source converter is deduced. Secondly, according to...

In the field of artificial intelligence, the rule of Chinese chess is different from International chess and chess and it decided that the Chinese chess artificial intelligence algorithm has its particularity. Based on the characteristics of Chinese chess, this paper analyzes the computer artificial...

The present research was conducted aiming to examine the physical and chemical properties along with the stability of the emulsion of Virgin Coconut Oil (VCO) as an alternative product to decrease the oily taste when consuming the oil directly. The VCO emulsion involved in this research contains honey...

A study to improve the utilization of waste material as concrete construction material and the durability of concrete was carried out using a Ground Granulated Blast Furnace Slag (GGBFS) material which is the residual material produced by a blast furnace process. This experimental study using 6 normal...

Gamping biogas plant was built in 2011 to solve waste problem from GemahRipah fruit market which generate 4-10 tons waste/day. The digester was design for 4 ton/day and produce biogas and electricity. The electricity is used for lighting the shops and the road. For eightyears along the installation,...

Flooding is an annual problem in the Peusangan River Basin, Aceh. Flooding caused by overflowing Peusangan River results in environmental damage and significant economic losses for local communities, especially downstream. To mitigate these impacts, flood control measures are needed to reduce flood peaks....

Performance a heat exchanger is an important tool for the adhesive industry as it provides thermal energy between two or more liquids at different temperatures without any mass transfer. One of these is the formalin manufacturing industry. Formalin is produced by a complete conversion process of methanol,...

The technical requirements for minimum rail gauge and platform clearance at station emplacements are one of the important aspects to support railway operations, given the large number of train accidents caused by rail gauge and platform clearance that are not following applicable regulatory standards....

With the rapid development of emerging technologies such as the Internet of Things (IoT), big data, and artificial intelligence (AI), intelligent logistics systems have become a crucial component of the logistics industry. This paper utilizes patent data related to intelligent logistics system technologies...

To achieve the purpose of saving energy for the classroom,it designs and implements a classroom energy saving monitoring system based on Zigbee technology.The system includes the classroom monitoring node, the terminal node, the router, the coordinator and the monitoring PC. The system can control the...

Considering the stability analysis theory of multi-infeed high voltage direct current (HVDC) system, the transmission capacity analysis method of multi-send ultra high voltage (UHV) AC/DC power grid is studied in this paper. By extending the multi-infeed short circuit ratio index, we can get the multi-send...

This paper designs a low-temperature environment modular remote monitoring system. Through the host computer the system can achieve a variety of information configuration, history query, curve report printing and a series of functions. In this paper, the background of system design is introduced, and...

A new kind of elevating mechanism for hybrid forklift has been designed. The 3D modeling for the upright mounting is using CATIA 3D software. And then, the elevating mechanism for hybrid forklift was simulated by the finite element analysis software ANSYS. Under different working conditions, such as...

Bridge structural health monitoring system is very necessary to master operational condition, ensure safety of structure, detect damage and conduct effective maintenance. Based on the health monitoring system design of a irregular shaped concrete-filled steel tube arch bridge, this paper elaborates on...

With the accelerated process of modernization, advanced science and technology has been widely applied. In this context, the Internet-related information systems will get rapid development, such as: accounting information system, the degree of the network has been significantly improved and network accounting...

The under-crossing tunnel of east external ring of Kunming is one of the most important projects of the Kunming south railway station hub construction. Two layers of silt soil are found in tunnel mileage K2+100-K2+200 and one of them is just under the tunnel floor. Since the project is on high seismic...

In this study, Perzyna visco-plasticity theory and Nishihara component model were combined to establish a universal creep constitutive model for describing the entire process of creep, including transient creep, steady-state creep and accelerating creep. Based on the internal energy theory, the constitutive...

Fire has a high load value and is easy to spread in the underground commercial space. Meanwhile the space has a high occupant density and people in it are difficult to evacuate. So it is easy to cause serious casualties. To this end, this paper first takes a certain underground commercial plaza for example...

Many kinds of fluid were sent by pipes; the stability of the flow was closely related to the exchange of energy. The velocity field of a pipe was tested in the experiment; the curves of standard deviation were obtained from the test. The results show that at low Reynolds number axial and radial standard...

Smart car is a kind of system which can precisely along the path of automatic driving mazes to the end point and return to the starting point accurately according to the optimal path, Under the effect of control system. In this paper, the hardware/software design and implementation of the intelligent...

In the humanoid robot system, the hand-eye system strict significance calibration is very difficult, or even impossible, which greatly increases the difficulty of the humanoid robot for the object manipulation. This paper, based on the visual feedforward and visual feedback control strategy, the humanoid...

An diesel engine with four elastic supports was modeled to deeply study the vibration response characteristics of diesel engine, and the each support with three-dimensional isolators was modeled by ADAMS. During analysis, the rotating speed of diesel engine is constant, and the mass center of whole engine...

The state land network project is China's "11th Five-Year" period included in the national high-tech industrial development project of the 12 major national science and technology infrastructure construction projects, this paper on the background of the state land network project and the significance...

For compressed sensing technology used in the field of information hiding, the traditional algorithm is to measure the entire carrier ( large redundancy - the entire carrier of the measured value) to hide. The calculation time is long and the stego image imperceptibility can be further improved. In this...

In this paper, the working principle and the structure of the key equipment of nuclear island were introduced. At the same time, the quality assurance procedures in the processing of equipment parts were studied as well as the methods of welding process evaluation. The constructions and applications...

Monocular vision technology can be applied to calculate the tilt angle of the insulator. Camera extrinsic parameters describe the translation and rotation parameters also called pose between the world coordinate system and the camera coordinate system. Thus, determining the extrinsic parameters is a...

The killing effect of sodium hypochlorite and benzalkonium bromide and the compatibility of them with the scale and corrosion inhibitor in the seawater is studied in the paper. The research result shows that sodium hypochlorite and benzalkonium bromide have good killing effect, sodium hypochlorite or...

Every year, during energy production, a large amount of agricultural waste is generated as ash, such as husks from rice and wheat. The conventional practices of open dumping and landfilling of this ash cause severe environmental and health problems, particularly groundwater contamination. Moreover, a...

Propane with lower carbon content than other fossil fuels and which is easily vaporized at ambient conditions has the advantage of lowering CO2 emissions and optimizing the combustion process. The possible combination of using it in high-efficiency compression ignition engines makes it worth analyzing...

AutoGrader+ is artificial intelligence technology that evaluates PDF answer sheets that contain written descriptive answers. AI techniques such as TF-IDF with Cosine Similarity and other NLP techniques such as Sentence-BERT are employed to process the text, extract the answers, and compare them against...

The oil pipeline bridge is an important component of the oil and gas transportation system, making the study of its seismic response and optimization of seismic design highly significant. This paper establishes a detailed structural model and evaluates the seismic mitigation effects of different seismic...

The purpose of this research is to examine how waste is handled on the MV Coral Actinia, with a focus on efficiency, crew satisfaction, and compliance with applicable environmental regulations and policies. Effective shipboard waste management is crucial for maintaining a clean marine environment and...

Compared with the distribution of onshore and near-shore wind resources, the deep and remote seas exhibit significantly higher wind speeds and richer wind resources, rendering the development of floating wind power in these regions immensely promising. The semi-submersible platform serves as a vital...

The development of adaptable three-phase load banks is essential for testing and evaluating power systems, distribution networks, and electrical equipment under various operational conditions. These load banks play a critical role in simulating real-world load scenarios, enabling engineers and technicians...

A structural scheme of national segment in a protected cross-border space is proposed. Information exchange in the integrated system of cross-border space between interacting sides is provided by the creation and use of national segment and an integration gateway. The scheme of interaction of two sides...

Today, e-commerce gain the people's attention, become an indispensable part of life, but also made a contribution for the development of world's economic the security of e-commerce website is the foundation to ensure the smooth running of the website, the guarantee on the security of the database is...

Automatic detection of the transcription of personal names in different languages is a key component for cross-lingual information retrieval systems. A plenty of complex machine learning algorithms have been employed in machine transliteration tasks with considerable computational costs. We propose an...

The wear particle impact action on specimen is directly related to the shape and depth of sub-surface crack in the grinding process of optical glasses. Thus, the research on the optical glasses grinding wear particle dynamic impact effect is an important fundamental task to the field of optical manufacture....

As taxi software increasingly hot, more and more people use a taxi booking taxi software. Based on the mobile Internet software has formed certain taxi with taxi process, showed a lot of convenient advantage, a taxi passengers every time use software taxi booking, used software company will give the...

Cracks resulting from shrinkage due to temperature or moisture usually exist in the flexible pavements in highways and runways of airport. This paper presents at finite element analysis of 4-layered flexible pavements with a penetrated longitudinal crack on surface layer embedded with controlled low-strength...

Independent fault diagnosis is an effective method to improve the safety and reliability of satellite orbit operation. Model-based diagnosis approach has been widely studied and applied because of high accuracy, strong adaptability and other advantages. However, because of the computing and store resource...

Strength of cement stabilized macadam which added early strength agent improves quickly. This shortens the construction period of road maintenance. This study explores the difference of fatigue performance between the cement stabilized macadam which added early strength agent and the ordinary cement...

This paper Application introduces a complete system level solution to drive a BLDC Motor for cordless power tools. To show the efficiency, present a thermal solution for a power stage with SMD MOSFETs and show how to implement the control with the microcontroller to drive a BLDC motor equipped with 3...

This research is based on Taiwan’s first zero-carbon green building-Magic School of Green Technology in National Cheng Kung University. Actual energy consumption will be measured to explore benefits of energy-saving. The design origin for this building encompasses 13 green energy-saving techniques. United...

The measured settlement curves of high-speed railway are presented with the characteristic of "small scale, large fluctuations", which is difficult to reach the requirements of curve regression coefficient with 0.92 on specification. This was done by adopting the method of mathematical simulation and...

Cellular concrete (CC) is a foamed mixture of cementitious materials, fine sand, and water, which once hardened results in a consistent, lightweight concrete containing millions of evenly distributed, uniformly sized macroscopic air-voids of approximately 0.1 to 1 mm size. In the present study, cellular...

By using the borehole elastic modulus test and sound wave inspection for typical representative spots of a dam foundation, the deformation behavior parameters of grouted weak rock of workplace foundation are obtained, and the potential relationship between wave velocity VP and elastic modulus E is derived....

Traditional technologies of chitosan producing may negatively affect the main quality parameters of chitosan (molecular weight, the degree of deacetylation) due to hard alkali-acid treatment of raw materials. The authors propose an alternative technical approach. It involves the use of electrohydraulic...

Coal roadway tunneling could result in redistribution of stresses in the coal body around the roadway, and cause the spatially uneven distribution of permeability in the coal body around roadway both in the radial direction and the axial direction. Considering this engineering fact and using the lattice...

Using molybdenum tailings in Shangluo as a core sample and the cement as gelled material, the unfired brick is prepared by mixing molybdenum tailings, cement, sand, silica powder and accelerating admixture, and then stirring and vibration. The effects of molybdenum tailings content, the ratio of molybdenum...

The work content of nuclear power plant project prophase covers a wide range, involves many kinds of professional, which cause the work coordination of the whole stage more difficult, have very strong complexity and uncertainty. On the basis of WBS decomposition in the initial feasibility study phase...

The penetration of the tail slurry suspended particles leads to the phenomenon of clogging, a higher seepage line and impact on stability of tailings dam. First of all, study influencing factors of muddy water infiltrationan,then an indoor simulation experiment is conductedaccording to the former study,...

The basic method, research status and development of structural damage identification technology based on BP network are reviewed and summarized, and then the advantages and problems of various methods in theory and practical application are discussed. The development trend and research direction of...

This paper introduced the necessity of constructing green ecological architecture system in Wuhan city circle, combined with the characteristics of the development of green building in the city, from the construction of regional green ring, hierarchical planning, promotion of green building materials,...

In a wireless mobile communication, it is required to provide high-speed and high-quality communication services and orthogonal frequency division multiplexing (OFDM) due to a high bandwidth efficiency and resistance to multipath ability, etc., in recent years, widespread attention. Contents of this...