Advances in Engineering Research

This study was conducted to select a type of macroporous resin most suitable for the separation and purification of tomato saponins. The content of esculeoside A which is the major part of total tomato saponins was detected by colorimetry, and extraction rate of esculeoside A was used as an indicator...

Gas well bottom-hole flowing pressure is an important parameter in gas reservoir geological research and evaluation, reserves calculation, evaluation of capacity calculation and dynamic analysis. So, get accurate bottom-hole flowing pressure has significant importance to the production. Through the production...

In this paper, the (G'/G)-expansion method is applied to find the exact solutions for Sine-Gordon equation, Sinh-Gordon equation and Liouville equaiton. The (G'/G)-expansion method is an effective method in investigating exact traveling wave solutions to nonlinear evolution equations (NLEEs) in the field...

Nanotechnology is the rapid developing. The nanotechnology in battery materials can enhance the storage capacity of a battery, reduce swelling and loss of the battery and improve use efficiency, which is of positive significance for the electrical equipment. Based on the analysis of current development...

The bearing capacity of concrete beam can be improved considerably by FRP reinforcement. The engineering cases show that using FRP materials reinforce a balcony cantilever, and it can improve the concrete structure bearing capacity, and can prolong the service life in a certain extent, and can reduce...

Aiming at the demerits of STL data, a visualization algorithm of STL model is presented. Valid data consisting the vertexes and normal vector of triangular facet were separated out from STL file. The sequential file was used to save the valid data, in order to avoid excessive use of memory. The algorithm...

This paper start to mine the four root causes of vandalism generating in landscape environment from four angles including the designers, constructor, users and environment; and then through analyzing and sorting, collate the specific form of vandalism grouped into five areas; at last, based on the five...

Increasingly, heat flux density on one chip reached to 1KW/cm2 with the development of integration technology. However, it is hardly to meet the demand of 417K for conventional cooling way. Chip cooling become the bottleneck of integration further. This paper put forward that integrated micro channel...

this paper mainly introduces the harm of road and bridge pavement and subgrade settlement,expounds the causes of uneven pavement and subgrade settlement on the settlement road and bridge,analyzes the structure design of settlement road and bridge and finally discusses the construction technology for...

A new mine transient electromagnetic method based on U-shape spiral source is proposed. Firstly, the method is introduced. The character of new system is based on a U-shape spiral source which is made up of a U-shape support and the spiral power wire. Furthermore, we analyze the potential advantages...

Computational Fluid Dynamics (CFD) is of great importance for R&D of Large 2-Stroke Marine Diesel Engine. The CFD software ANSYS FLUENT was adopted to calculate the scavenging process of a large 2-stroke marine diesel engine MAN B&W S60MC-C6 and the obtained pressure trace was compared with the shop...

The paper provides a brief summary of costs necessary to obtain nanosized magnesian powders when utilizing amorphous magnesite by-products. It also describes new methods accounting and allocation of common costs among products when processing and utilizing amorphous magnesite by-products in dynamic market...

With the rapid development of computer technology and internet, streaming media technology is widely used in video broadcast, video on demand, distance education and other fields. But the traditional C/S architecture service model is often in the case of massive users easily lead to bandwidth bottlenecks...

With the rising of Chinese labor costs, industrial robots as a new type of labor force, is quietly changing employment pattern of China's manufacturing industry. This article first introduced the current development of industrial robots at home and abroad, summed up the current situation of China's industrial...

This paper introduced the advantages about the application of high water material in the filling mining under the combination of its actual situation of coal mine. These advantages included the fluidity, expansibility, strength of backfilling, initial investment of high water material and so on. The...

A three-dimensional computational fluid dynamics model coupled with chemical kinetics mechanism was established and validated on an actual biogas fuelled engine. Arc and kernel tracking ignition model and coherent flame combustion model were implemented and applied to capture in-cylinder ignition and...

In order to compare the value of several features involving leaf retrieval, we design an approach to evaluate 37 features about leaf’s contour, content and texture. Random forest algorithm is employed to rank these features’ contribution to leaf categorization. To forming the optimum features combination,...

Presence of different openings along the extraction line (goaf edge) in a mechanised depillaring (MD) panel provides an easy path for the goaf to encroach the working area during caving. A number of continuous miner based MD operations are adopted in Indian coalfields in last thirteen years, where roof...

The influence of polycarboxylate superplasticizerson composition changes of silicate and aluminate cement phases is analyzed. The retarding effect of organic additives on silicate phases hydration and stabilizing effect of additives on calcium metastable hydroaluminates and ettringite isestablished

The relationship between the difference of the driver behavior and energy consumption in the same bus line was studied through analyzing the acceleration process of the driving cycles in order to solve the problem that the practical benefits in endurance mileage of the electric buses differed a lot....

Humans are constantly exposed to radiations, of which majority (87%) is from natural sources and a fraction (13%) is from man-made. Construction materials can contribute to natural background radiation in two ways, namely emission of gamma radiation, from primordial radionuclides like uranium, thorium...

The article briefly discusses the general mechanisms for the occurrence of lightning. Based on satellite data, the total number of lightning on the East Siberian Railway (ESR) in the summer is estimated.

In this paper, the icing mechanism and force of overhead transmission lines were studied. The inclined parabolic equation of overhead transmission lines was derived and on this basis, calculation methods of sag, long lines and stress had been discussed. The paper got the inclined parabolic form of the...

In order to improve the comprehensive performance of a heavy-duty natural gas engine, the paper developed a strategy to efficiently optimize operating parameters. An approximate mathematical model, which the input control variables were air-fuel ratio and ignition advance angle while the output response...

Energy and environmental problems have become the key factors restricting social development during the recent years. Therefore, in order to promote the process of social industrialization and build a saving-oriented society, it is imperative to increase the effort to develop energy-saving materials....

Soft robotic hand exoskeleton systems are taken into account to solve the problems happened in the hand rehabilitation, such as long-term training for stroke patients and heavy workload for physicians. These systems are one of the hot issues in recent robotic research because that they are not only applied...

The purpose of this research is to know the influence of service quality (tangible, reliability, respo nsiveness, assurance, and emphaty) partially or simultaneously to customer satisfaction level and to know more dominant influence from tangible, reliability, responsiveness, assurance, and empathy)...

A kind of desert sand steel-PVA fiber high performance concrete is researched. The high performance concrete is composed of water, cement, fly ash and sand. Desert sand instead of part of the river sand, the replacement rate of 30%; fly ash instead of part of the cement, the replacement rate of 15%....

This paper informs a second stage of an action research study intended to develop students’ listening skill through extensive listening strategy. Data were collected within listening achievement test, questionnaires, field notes and observation. The study comprised nine weekly-based interventions that...

The high demand of electrical energy nowadays occurs globally, including in Indonesia. One solution to overcome the problem of electricity consumption is to design solar power plants in Indonesia. The location of Parangtritis beach itself has a high potential radiation value when compared to other beaches...

Wave tranquility is a study that analyzes how a wave may propagate in specific locations. This study is intended to determine a location categorized as calm with a limit of wave height that occurs due to wave propagation around the location. Pangandaran Port is a place that was made to increase the potential...

New trends in environmental development are focused on decarbonisation and carbon footprint reduction, reflected in national strategies and roadmaps for achieving carbon neutrality in the long term. Under these conditions, for large joint-stock companies, there is a reorientation to the ESG principles,...

Flower Pollination Algorithm (FPA) is a nature-inspired optimization algorithm based on the pollination process of flowers. Originally FPA was created to solve continuous optimization problems. Here FPA was modified to solve discrete problems. In this paper, FPA was modified by adding Chaotic Maps function...

In order to study the influence of wind speed on the flame development process, pool fire flame shape and thermal radiation distribution after the occurrence of the full-surface pool fire accident of the port crude oil storage tank, the pyrosim software was used to establish the fire accident model of...

In order to overcome the limitations of finite element in solving the rod structure, it is proposed to apply the particle discrete element method to study the force characteristics of the rod structure. This paper firstly introduces the advantages of discrete element relative to finite element, then...

Compared to linear weirs, labyrinth weir can provide high flow capacity at lower heads achieved through the increase of the spillway length. However, apart from extending the length of the spillway, hydraulic efficiency can also be enhanced through geometric modifications. This experimental study aimed...

The construction of working shafts in shield tunneling projects is a challenging endeavor marked by deep excavation and intricate operations. It is further compounded by the frequent occurrence of water inrush accidents, particularly in regions where karst development is prevalent in the surrounding...

Numerical simulation method based on CFD simulation soft, Launched a T-slots dry gas seal structure optimization. In the case of only changing the Circumferential ratio of T-slot structure of initial improvements, further optimized on the basis of the initial improvements, conclusion that lug boss groove...

With the increasingly complex structure of power communication network and diversified business needs, the demand of performance optimization in power communication network is more and more urgent. Based on complex network theory, this paper proposes a topology optimization algorithm of node betweenness...

Nowadays modern management cannot do without mathematical and statistical tools. Managers need a variety of market information, but they must have inside information about the company that will make their decisions relevant. This paper describes the possibility of creating a regression model of transport...

The modal analysis is conducted to the base -tower. The effects of stiffness changes in different directions of the pile foundation on the natural frequency of the wind turbine is studied. After the analysis to the harmonic response of the base-tower, the response of the structure of the tower at different...

The sloping ground operation of hydraulic structures associated with the collision of landslide phenomena and shear deformations. The work presents the results of research of influence of variability of physical and mechanical soil properties on stress-strain state of an earth-filled dam. To increase...

This research is to develop agricultural greenhouse monitoring system based on Internet of Things. Software design includes the program design of the nodes of wireless sensor network and the program design of monitoring terminals. In the whole monitoring system, the wireless sensor network at perceptive...

This paper proposes a fuzzy neural network fire detection algorithm to improve the accuracy of fire detection. Taking the temperature, smoke concentration and CO concentration as the input of the system, the fuzzy neural network is used to analyze the multi input signals. Fuzzy neural network combines...

Sonoelectrochemical degradation (US-EC), a relatively new AOPs, is a technique that combined sonication (US) and electrolysis (EC) without the need for additional chemicals for the procedure. Microcystin-LR (MC-LR), as the most toxic and most widespread algal toxin, are threat to human health. Until...

Based on the “Qingyu No.1” and “Qingyu No.2 “the two Jerusalem artichoke varieties as experimental materials, the Jerusalem artichoke with different concentration of polyethylene glycol,PEG-6000 stress (0,10%,20%,10%) of drought stress on the content of the different parts of the sugar in the treatment...

To investigate the effects of intake temperature on the performance and operation range of HCCI engine fueled with n-butanol, the 2nd cylinder of a water-cooled, naturally aspirated diesel engine with 2-cylinder was modified to operate on HCCI combustion mode. The indicated mean effective pressure (IMEP),...

In this paper, the authors stated the concept and characters of smart campus, and put forward a smart campus construction program based on cloud computing, internet of things and other technic. The analysis and study shows that the new information technologies are playing more and more important roles...

The analysis of UEFI firmware storage system is rare in available papers about UEFI.We introduce the Logical and physical structure of UEFI firmware. Then we analyse the elements -- firmware volume, firmware file, firmware segment -- that composed the UEFI firmware and give related code define and pay...

Simple supported-to-continuous girder bridges are commonly and widely used in bridge engineering in China. For this type of bridges, normally, the longitude connections are casted in-site by concrete. The quality of the casted concrete is difficult to control. After a large number of field surveys, damages...

Current researches on landslide prevention are mostly based on time-displacement curve or some other corresponding characteristic parameters rather than landslide evolution. But landslide varies a lot from different mechanisms and evolution stages, it is necessary to study it from aspect of evolution....

As one of the high-density cities of the world, Hong Kong is suffering from a limited supply of land for its main urban areas; some open spaces however are frequently criticized as inconvenient for users and consequently ineffectively used. How to improve the performance of open spaces is, therefore,...

Cerium-rich rare earth oxides nanoparticles were extracted from bastnaesite concentrate by first leaching, alkali fusion with NaOH, and second leaching process. The effects of the hydrochloric acid concentration, mass ratio of solid to liquid, leaching temperature of the leaching process and the NaOH...

Mixed antioxidants composed of antioxidant N-phenyl-N'-isopropyl-p-phenylenediamine (IPPD) and lanthanum (La) complex were added as a filler to prepare natural rubber (NR) composites. By mechanical testing, X-ray photoelectron spectroscopy, and thermogravimetric analysis, a string of data, including...

Light emitting diodes (LEDs) have recently gained much interest as projection light sources due to their long lifetimes, large color gamut, small size, and absence of mercury vapor. In this work, a compound parabolic concentrator (CPC) coupled to a compound-eye array is designed and fabricated as a light...

The passive linear-thinking of the industrial society has been replaced by the interactive cross-thinking, resulted in the interaction design which is a new design method to observing the world. This design method is a synthesis of dynamic, virtualization, experience and emphasizes the intersectionality,...

In power system, a large number of the inductive loads need the reactive power. These loads always make dramatic voltage fluctuation in power system. The traditional static reactive power compensator is difficult to meet the needs of the adjustable reactive power capacity .Therefore, a dynamic reactive...

Through the rapid development of integrated circuits,high performance and low power consumption always as the same goal for the IC designer, Especially in SRAM design.This paper described a full-custom design of high performance SRAM,the full-custom design using 40nm process, based on a new single-port...

The performance of high-strength bolt corrosion fatigue related to the safety of structure. It is generally thought that high-strength bolt crack size and the critical crack size conform to logarithmic normal distribution. If the probability density functions of crack size and the critical crack size...

In order to solve the problem that it was difficult to ensure the bending quality of sheet metal in the actual production process by using traditional bending tooling, a flexible sheet metal bending process and its production equipment were studied on the premise of analyzing the influencing factors...

Because the inertial measurement system based on traditional inertial device cannot meet the requirements of the new tactical weapons, this paper demonstrates an inertial measurement system using full digital fiber optic gyro, impact resistant quartz accelerometer and ontology thin-walled reinforced...

Maintenance is an important means to ensure the quality of airport pavement concrete and an indispensable key link in the construction process of the airport pavement. This article through engineering example of airport pavement construction contrasts the economy of most commonly used geotextile maintenance...

Fire fighting is one of the key monitoring targets of campus security. To improve the maintenance and management of campus fire control facilities and fire evacuation and fire fighting action efficiency, with a training center as an example, the existing automatic fire detection alarm, fire linkage control...

The recognition of the speaker through machine learning algorithm has become a hot spot of research. On the basis of speaker recognition based on BP and traditional MFCC characteristic parameters, the feature parameters of MFCC are reduced by KPCA algorithm, and the BP neural network algorithm is used...

The cable-strut-beam belongs to the spatial developable structure, and prestress is an important source of structural stiffness. How to apply prestress depends on the institution's self-stress mode. Firstly, the balance equation of cable-strut-beam is established. Then the self - stress mode of the cable-strut-beam...

The temperature increasing on earth has triggered drastic climate change. Motor vehicle emissions, especially CO2, are a major source of pollutants in major cities in Indonesia. This greatly affects the transportation sector whose estuary affects the contribution of carbon dioxide (CO2) which is predicted...

The research aimed to determine date palm pure concentration and its effect on Tissue Culture of Grammatophyllum scriptum. The research used an experimental method with single factor and seven treatments arranged in a Completely Randomized Design. The treatments were: (1) Vacin & Went (VW) medium; (2)...

The article examines accumulation of macro- and microelements in the leaves of Momordica charantia L. and Trichosanthes cucumerina L. grown using a grafting method. It contains data on the content of key mineral nutrients in the leaves of examined crops. It marks high calcium content in the leaves, reaching...

The purpose of the work is to substantiate the mechanism of interaction of a mixture of fullerene fractions С50÷92 with the polymer matrix of natural and synthetic rubbers with the subsequent solution of the task of identifying their compliance with specified technological parameters in terms of the...

BIPV is the most important application of PV products, and BIPV solar modules will take a great share of the PV market in the future. BIPV solar modules which encapsulated with UV-cured adhesive is researched in this paper. The refractive index and dielectric constant of the UV curable adhesive films...

Lead (Pb) is a necessary element for plant growth, and it is also one of the main heavy metals which pollute the environment. Lead ore mining fields, lead metallurgical plants, type printing factories and others are also the important sources of lead pollution. We take the selection of appropriate remediation...

To detect compromised sensor node, current solutions fail to resist the collusion attack. To address it, in this paper, we propose a novel solution called group verification. The key idea of group verification is that neighbor nodes and sink node cooperate to detect the compromised node. If one sink...

The research targets at the extensive historical villages which are abounded in the northeast China. Based on the perspective of people's livelihood, the research pointedly puts forward the method of participatory renewal. Also, the research takes the conceptual planning and design in Revolution Village...

According to the design index of hull plate spraying in dock, a wall climbing robot for hull plate spraying in dock (WCR-HPSD) is designed, the functional requirements of the robot is discussed, the robot control requirements and control properties are analyzed, and the robot control models are established,...

This paper introduces the technological innovation of desertification control in the Kubuqi Desert that is the seventh largest desert in China. After 30 years of comprehensive treatment, Kubuqi Desert has become the first desert in the world to be largely treated. By means of physics, chemistry and biology...

This research paper aims at developing a hybrid algorithm for maintaining constant voltage from solar power cell. This is achieved by applying nominal tracking ability of the solar panel. The solar panel cannot give maximum power to the load at all times due to the load mismatch happening due to the...

the article presents materials of long-term studies (1988 – 2018) devoted to solving regulation issues of phytosanitary situation in irrigated agrocenoses. The paper outlines the results of studying species abundance and number of insects, patterns of their change under the influence of irrigation in...

When we lose the ability to draw, we lose a part of our ability to think [7]. Based on this thinking, practicing freehand drawing is still the best way to maintain the mind, the eyes, and the hands in balanced working coordination, as basic thinking tools of architects in term of the design process....

The increase in air pollution in Indonesia is a serious problem. Health problems due to air pollution can cause damage to the lungs or cause eye irritation. One of the harmful gases contained in exhaust emissions is carbon monoxide (CO). This study aims to design a system capable of detecting and monitoring...

In recent years, there has been an increasing need to assess the impact of blasting on sensitive receptors such as cultural heritages and nearby communities. The Oyu Tolgoi open pit mine is one such area where blasting is a common practice. As such, it was essential to evaluate the vibrations generated...

A concrete roof tile is one of building materials which has been produced and used for roofing since 1976. In 2016 there was a big case happened on this material due to losing durability and becoming brittle after 8 months of instalation. The study was carried out to evaluate the properties of roof tiles...

The exponential growth of big data has created unprecedented opportunities for data-driven insights while simultaneously raising critical privacy concerns. This paper presents a novel framework combining Context-Aware Generalization (CAG) with Risk-Aware Generation (RAG) for privacy-preserving data publishing...

This study uses a 3-D, isothermal numerical model with isotropic gas diffusion layer (GDL) property to examine how thermal contact resistance (TCR) and porous medium thickness (PMT) between GDL and BP, channel, and various heat transfer coefficients affect the temperature profile and performance of a...

Spices are grown by numerous farmers throughout Indonesia. It is also quite useful for a variety of other things, such as pharmaceuticals, cosmetics, and cooking spices. Spices are often kept dry, with less than 10% water content, to preserve their quality. During this process, a drying machine is required....

The influencing factor analysis of rolling bearing quality is an unknown probability distribution and correlation of complex research problems. It is not comprehensive to solve this type of problems only based on the classical statistics. In this paper, the nonlinear relationship between influencing...

According to the needs of modern agricultural automation and intelligence, a greenhouse monitoring system based on ZigBee technology is designed. Through the design of the hardware and software of each node and controller, the system realizes the monitoring and control of various environmental factors...

Tunnel construction is a livelihood project, but the nature of all kinds of complex geological problems will cause some impact on them. Therefore, it is necessary to carry out the geological investigation in order to ensure safety and stability of the tunnel, and the geophysical prospecting method is...

How to improve the efficiency of guiding disassembly sequence is the main research contents of augmented reality maintenance. To furnish the disassembly sequence to the system efficiently, assembly disassembly hybrid hierarchical graph model is established based on interference matrix between the assembly...

In the field of the power supply enterprise, it is urgent to use the mobile workflow to carry out the process management. This paper adopts low coupling and high available workflow design, which design the workflow client through the long connection and SMS with the power mobile operation state manager...

Glass fiber reinforced plastics of composite material briefly as FRP, with the properties of high strength, light, corrosion preventive, easy to be Processing convenience and industrialization, which is applied in many fields. Although it has been applied in building, only to small element or unit such...

Intelligent agriculture is the inevitable development trend of modern agriculture. Sharing the sensing data of agricultural production activities on internet to make it to be found is the premise of agricultural products supervision and agricultural decision. However, the relationship between agricultural...

According to the problem that horizontal current in the metal pad of aluminum reduction cell induces waves of the electrolyte-metal interface, this paper reports on assessments of the horizontal current elimination effects by using slotted cathode and heightened collector bar as well as their combination....

Remote monitoring refers to the local computer with the Web as a platform for communication to remote computers or devices to monitor and control. This project is combining the Internet and embedded devices, uses the local computer through the Internet to embedded devices and remote slave monitor. Embedded...

This paper establishes models for all the components of hot dip galvanized fasteners under working conditions, and also carries out assembly modeling based on their assembly relationships. Subsequently, these operations including finite element mesh generation, restriction of boundary conditions, definition...

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...

Based on the two major methods for the construction of domain ontology, that is, ontology engineering and thesaurus-based ontology construction, this paper puts forward a construction methodology of agricultural domain ontology based on thesaurus. This paper details all parts of the methodology. Under...

Infrared light communication is a kind of communication method that uses infrared ray to transmit information including voice, text, data, images and so on. In this paper, a kind of wireless communication device based on infrared light is designed, which uses the near-infrared band of 950nm to transmit...

According to the spray characteristics and formation mechanism of NOx and soot of DI engine, a double-wall-jet combustion system of low compression ratio is designed and related experimental research is carried out. The results show that: The instantaneous heat release rate of double-wall-jet combustion...

Plant Growing concrete (PGC) plays an active role in ecological balance and environmental protection. It had be used in bank slope protection, parking lot, etc. By synthesize research data domestic and overseas, the article reviewed definition , structure, mix proportion, alkali environment renovation,...

Compared with the conventional gas turbine, the micro gas turbine has the advantages of small size, light weight, and high power density energy. The application prospect is very broad in the future. However, lots of traditional cooling designs cannot be applied to the disks at the micro scale, which...