Advances in Engineering Research

In recent years, the attention of scientists from the arid territories of the world, including countries from Central Asia, has been attracted by the problem of studying and developing halophytes and xerophytes in culture. Among the flora of the Gobi Desert, there are plant species that can function...

Based on the coupled Euler-Lagrange (CEL) algorithm, the numerical simulation model of free air field and small clear distance two-line tunnel explosion in loess is established. The reliability of the numerical model is verified by the comparison between the air-field air explosion and the traditional...

Recycled concrete aggregate (RCA) is obtained from construction and demolition waste. However, due to cement mortar attached to its surface, RCA has high water absorption and poor engineering properties compared to natural aggregates. To remove this cement mortar, paste, various treatment methods have...

After the sponge city construction, it is necessary to carry out quantitative evaluation and assessment of its construction effect. Among them, runoff coefficient is one of the important assessment indicators for the sponge city construction effect evaluation. Starting from the study on the influencing...

The sprocket as a component of motorcycle manufactured to transmit rotary motion between two shafts are supposed to possess wear resistant properties. This motorcycle part are however produced in different wear resistance levels especially low, medium and high. Meanwhile, low grade sprocket (imitation)...

In modern conditions of international economic and environmental aspects of energy, there is a need to introduce innovations in Russia and in other countries from the point of view of synchronizing energy policy with the international community. The study of the resource base of solid municipal waste...

Innovation of Spatio-temporal analysis specifically for the geographically Weighted Panel Regression model with the development of geographic-weighted functions for spatial and temporal interactions. Map the GIS based on Spatio-temporal model estimation for the factors that may provide influence on the...

Nanoindentation has been widely used to determine the mechanical properties of pristine and polycrystalline graphene in experiments. To investigate the effects of grain size on the mechanical properties of polycrystalline graphene, we use molecular dynamics simulations to study the nanoindentation response...

Year 2015 is bound to be unforgettable for Chinese stock market and for hundreds of thousands of investors. Began with a bull market which evolved to a mad one, then a terrible stock disaster occurred, the whole market lost its crash liquidity. Stock index slumped dozens of points, sometimes even more...

This paper presents a study of increasing the reliability of a small 1 kW installed photovoltaic system by using hydrogen storage technique.

TR50 mine truck , a new type of mine transporter produced by CHINANHL BUCYRUS, It configure QSX15-C525 engine,produced by Cummins Engine Inc. We compared and analyzed QSX15-C525engine of TR50 mine truck and decided to replace it with KTA19-C525 engine of 3307 mine truck.

It is hard to imagine for people when they face the difficulty in Ocean energy development. how to access to abundant reserves of wave under harsh environmental conditions review of sea conditions, ancient China In flood control and management in the process of water, ancient China weren't fear of floods...

In recent years, China's urbanization process is accelerating. The rapid growth of urban population has brought tremendous pressure on urban transportation system. In order to improve the informatization level of urban public traffic management and relieve the pressure of urban traffic, this paper develops...

Chlorantraniliprole is anthranilic diamides insecticide, in order to solve the chlorantraniliprole industrial crystallization problem, such as the purity of products is not high, the crystal type is not good enough, this paper proposes a new kind of chlorantraniliprole crystallization process, The influences...

Research and development of fast, economic and effective controlling method and theory of engineering has always been the focus of engineering construction for all the countries. In this research, a kind of Ionic Soil Stabilizer (ISS for short) is used to improve expansive soil. Based on expansive soil...

The denoising process is critical when processing transient electromagnetic (TEM) sounding data. For the full waveform PRBS response, an inadequate noise estimation may result in an erroneous interpretation. We consider the Hilbert-huang transform and its application to suppress the noise in the PRBS...

The article considers development of the technology of recovering disturbed soils intended for nature protection purposes on the territory of Bovanenkovskiy oil, gas and condensate field of Yamal peninsula. In the course of operation, blend composition and consumption rates of seed material were selected,...

A possibility of a new pattern for the dwelling unit for the home-based elderly residents is discussed and the diversification of the residence design is suggested after a study over the current situation in which the dwelling unit design falls into a similar pattern.

Mortars have many uses in construction: to lighten, sonic and thermal insulation, aesthetic purposes, to protect against environmental attack, repair, conservation, union masonry, etc. Mortar matrices may be Portland cement, lime, gypsum, clay and soil, asphalt or polymers. This work shows the result...

Nb-Al alloy compounds are expected to be high temperature structural materials. However, the low toughness and poor oxidation resistance are the main obstacles to hinder Nb-Al intermetallics from applications. In this paper, a new monoclinic phase of NbAl3 was proposed by particle swarm optimization....

In the field of engineering protection, ultra-short-range interceptor weapon system is a new protection technology, as a last line of defense air defense network of fire, it is possible for the penetration of precision-guided munitions to intercept important protection to ensure the safety objectives....

There exist synergistic effect between steel slag and blast furnace slag in preparation of solidifying agent for total tailings backfill. By investigating the effect of various activators, the proportioning of the solidifying agent was obtained: steel slag 35 %, blast furnace slag 35 %, Portland cement...

The goal of this paper is the design and implementation of an algorithm for estimating thermal loads in a civil construction, in which the capture geometric information of the architectural plan of a building created in a CAD system (Computer Aided Design), and the calculation of thermal loads in the...

Response of earthquake action in the structure is related to site category, seismic fortification intensity, earthquake acceleration, seismic grouping, etc. Research on high-rise building structure seismic has been done a lot. However, high-rise building structure does not only sustain earthquake load,...

To solve the decoupling problem in aeroengine multivariable contrl system,in this article,using the modified PID network design the decoupling controller for aeroengine multivariable system. PID network weights using gradient learning algorithm, the network weights fixed more slowly and were easy to...

With the aid of cotton template and precursor solution of mesoporous silica, hierarchical mesoporous SiO2 tubes with size–adjustable mesoporous in the tube–wall were synthesized through sol–gel method. The products are tubular silica that inherit the hierarchical structure of initial cotton and contain...

A patient with nasal hemorrhage would usually insert wadding composed of blood sucking material easily available at home, such as toilet paper, cotton, or gauze, into the nostril. The wadding tends to split under draw force, and is difficult for extraction from the nostril after blood sucking or generates...

Designing pepper peeler machine with crusher system is the steps of designing tool to assist the process of peeling pepper to replace the system pepper peeler manually at Bangka Belitung. This system uses 2 dishes mounted horizontally with a certain distance and slope of a particular dishes. The design...

Using investigation data on As in Jiaozhou Bay in 1982, this paper analyzed the seasonal variation, vertical variations and horizontal distributions of As, and revealed the gravity characteristic and sedimentation of As. Results showed that As’s contents in surface and bottom waters in July 1982 were...

The Xinguang Bridge, crossing the shipping channel of the Pearl River in the city of Guangzhou, is a three-span continuous half-through rigid frame steel truss arch bridge with two RC V-shaped triangular rigid frames. The paper first gives a brief introduction on the important engineering aspects. Then...

In wireless monitoring systems, the program design mode has a great influence on data upload and processing efficiency. In order to solve the problem that data uploading and processing cannot be synchronized in the system, a LabVIEW system design based on the producer-consumer model is proposed. The...

Plankton diversity of Tlawng River at Reiek kai in Mizoram, Northeast India, was investigated during 2017 to 2018. A total of 16 genera of phytoplankton belonging to 10 orders and 5 groups, and 7 genera of zooplanktons belonging to 7 orders and 5 groups were encountered. The phytoplankton group consisted...

This paper analyzes the known methods of ensuring electromagnetic compatibility of average single-phase AC consumers having semiconductor rectifiers, thus having nonlinear I-V curves, with a power supply network. The traditional method of single-phase AC-DC conversion for domestic needs and industrial...

Linear or cicular interpolator are undersirable for high-speed, precision and advanced CNC machining tools of 2D or 3D surfaces for the following reasons: interpolation time bigger, calculation more complicated, and curve chord are changed. In the papers ,the Newton-Rapson iterative interpolation algorithm...

Usually a tiltrotator is mounted on the excavator such that the bucket of excavator can not only move in the plane of the excavator attachment, but also deviate from the plane. However, this generated additional bending moment and torque, and what was more, the traditional design method, which is used...

To solve the assessment problem of underwater radiated noise under the typical transient condition for ship, time-frequency analysis, FIR filter and high-order static are combined based on the energy computation method of transient signal, and the advantage of each method are utilized to obtain the total...

The study of armature and rail materials of electromagnetic railgun is the key technology to solve the failure problems of launcher. The paper focuses on the principles and methods of materials selection of railgun and introduce the research progress of layered materials. Besides, the future development...

The leakage of automobile air conditioning refrigerant would not only make the air conditioner malfunction but also cause the air pollution to the environment. Therefore, it's very important to prevent and control the refrigerant leakage. This article provides a design solution to both manual and auto...

The resource leveling optimization is an important content of project management, and the optimization of resource leveling are helpful to solve the contradiction between the requirements and supply, which is of significant importance to the project management. The existing research focus on the innovation...

The damage mechanics-effective stress method are used to predict the life of the structure under the interaction of creep and fatigue. The effective stress method is used to calculate the stress field of the component, and the repeated modification of the stiffness matrix is avoided, and the calculation...

Computational Thinking (CT) is a problem-solving approach that consists of four fundamental thinking processes: decomposition, pattern recognition, abstraction, and algorithm. As an improvement to the author’s previous study, this paper emphasizes the effects of CT on user interface (UI) design as part...

Layer boundary analysis is an important process in determining the net pay value. Although the layer boundary can be determined manually through mud log data, it can also be determined automatically by signal analysis using wavelet transform. This analysis uses the gamma ray (GR) log data and the resistivity...

Many countries and regions worldwide have successively developed various green building evaluation systems to promote the development of green buildings and sustainable urban ecology development, as well as protect the human living environment. China has also formulated and improved the national “Green...

Research focuses on the study of continuity, which is a part of a townscape theory in public open spaces and is an extension of previous research that examined the principles of townscape in urban public spaces. The study object chosen is the Tugu Gajah Roundabout in Bandar Lampung. The current use of...

This study is based on a highway reconstruction and expansion project focusing on the excavation beneath channel bridges, it may face the risk of structural damage to the old bridge and traffic safety accidents during the operation period. Employing finite element numerical simulations, the potential...

Dwelling time negatively impacts the economy by raising consumer prices as businesses pass on the costs associated with inefficiencies. This study, conducted with a mixed-methods approach, combines qualitative and quantitative research to analyze dwelling time at the New Makassar Container Terminal 1....

Enzyme Induced Calcium Carbonate Precipitation (EICP) technology has many advantages over the traditional Microbial Induced Calcium Carbonate Precipitation (MICP) technology, such as the use of natural enzyme (urease) reduces the pollution of the environment, the economic benefits are better, and the...

The study aimed to solve the problems of column-beam protrusion of steel structure residences and insufficient lateral stiffness resistance of high-rise steel frames. Therefore, a new steel special-shaped column-corrugated steel plate shear wall system was proposed. By establishing the finite element...

Highway maintenance and repair require the consumption of large amounts of materials and the use of high-energy-consuming construction machinery and transportation equipment, resulting in a large amount of carbon emissions, so it is necessary to quantitatively study the carbon emissions of highway maintenance...

Concrete, as a widely used construction material, is prone to cracking under external loads and other factors. The initiation and propagation of cracks can reduce the stiffness and load-bearing capacity of structures, accelerate structural degradation, and even pose safety risks. In this study, the cracking...

The global manufacturing landscape is undergoing a profound transformation driven by the integration of 3D printing technology, a cornerstone of additive manufacturing (AM). This paper provides a comprehensive analysis of the technical mechanisms, industrial applications, and future prospects of 3D printing...

This study empirically validates the impact of user experience on brand identity and loyalty in online fitness apps. The results show that emotional, social, and informational experiences significantly enhance brand identity and loyalty, while sensory experience does not directly affect brand loyalty....

Research skills are skills of conducting scientific research to seek scientific truth by applying the scientific method based on proven scientific reasons. Generally, lecturers at various universities have equipped their students with research skills with meaningful and sustainable values in studying...

The power supply based on current transformer (CT) is a good method to provide energy for online monitoring devices. In order to study the power output characteristics of CT power supply, a simulation model is built under Saber software. Find that the output power of CT first increases and then decreases...

In the era of Internet of things(hereafter referred to iot), tourism should take the government iot development planning as the guide to formulate its own strategic development plan. At the same time it should speed up the innovation and reform of tourism products and services to realize the informatization...

The large aqueduct has the characteristics of large streamflow, heavy load and complicated structure and so on. Different from the high dams, most of the aqueducts are constructed with the thin-walled concrete structures. When analyzing the structure of the aqueduct, people often only consider that after...

By allowing the exchange node to operate data, network coding can effectively improve the network throughput, ease network congestion and improve the network performance. Due to the closure of switching device in the current network structure and the cost of coding and decoding, the network coding can...

In this study, the wild kiwifruit seedlings were used as the research object to investigate the oxidation resistance of exogenous melatonin on leaves of kiwifruit seedlings under copper stress, adopting the root irrigation method. The results showed that exogenous melatonin effectively increased the...

Based on analyzing the mechanism of coupled heat and moisture transfer in building material, this paper takes temperature and moisture potential as driving force. We constructed the model of coupled heat and moisture transfer in building material, solved this model and got the analytical solutions for...

The rheological properties of Polyphosphoric acid (PPA) modified asphalt binder were investigated by the dynamic shear test, and the composition change of modified asphalt was use to analyze the improvement mechanism of rheological characteristics. Test results indicated that the complex shear modulus...

Tangible User Interface is a new human-computer interaction interface which purpose is to interact with the digital world through the objects in physical world. Based on this, we present a novel interaction system allow user to play music, and we call it TMusic. In the TMusic, user can manipulate the...

Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) codes require less hardware resources due to the quasi-cyclic structure of parity-check matrices. In this paper, two improved methods for constructing QC-LDPC codes are proposed. Firstly, in order to make sure the masked LDPC codes have flexible code rate...

The percussion instrument usually involves some kind of striking. There are so many Thai percussion instrument such as the Ranat, the Cymbal ect. The aim of this analysis to study transverse modes and find out the important parameter to get proper sound frequency which are excited in bars that are struck...

According to the data of 107 National Highway Luogang section of Guangdong vehicle load survey, By using theory of probability and statistics, the parameters such as gross vehicle weight, axle load, wheelbase, vehicle spacing and so on, are statistically analysed in this paper so as to confirm the probability...

In order to describe the mechanical property of polyurethane elastomer (PU elastomer) under quasi-static compression, we have adopted universal tester of South JingKe electronics to proceed with equivalent static compression for polyurethane elastomer material, and studied the mechanical behavior of...

In modern society, along with the rapid development of society, the recovery and help system for the elders is born at the right moment. It discussed in detail the design idea and design scheme, and gave the working principle and the overall block diagram of the system based on the ATmega128 MCU and...

ZnO sorbents with different CeO2 loadings were prepared by microwave calcination and tested the performance for H2S removal in a fixed-bed reactor at 500 . The results revealed that the Ce-doped sorbents have a higher efficiency and longer breakthrough time compared with non-modified sorbents. The optimal...

Composite insulators are insulation parts which are used to withstand power load and all kinds of stress applied by wires in transmission lines,the stress offen cause fracture and brittle fracture of core rods in the operation.In this paper,composite insulators, running in the ice coating and wind load...

The test study, the use of re-election - flotation processes can be efficiently recover copper, tin, sulfur, comprehensive utilization of resources to achieve the purpose. From ore analysis, the mine oxidation rate, up 43.46%, is a copper oxide; active copper is high, reaching 20.03%; other metals iron,...

During the excavation of rock mass with the method of drill and blast, the release of in-situ stress, also known as excavation load on boundary, is traditional a dynamic process, so the inertia and all other dynamic responses induced by the release of in-situ stress cannot be ignored. Compared with corresponding...

This paper built the simulation model of vector control system of permanent magnetic synchronous machine based on MATLAB SIMULINK. The simulation results verified the feasibility of the vector control system on PMSM. The hardware circuit of motor control and driver board which used digital signal processor...

Numerical simulation of liquid-solid two-phase flow was used to analyze the flow of the fluid in the classification chamber of ultrafine powder centrifugal classifier. Under the condition of the steady state, in order to study the influence of different blade angles on the classification performance,...

Chemical composition and main physical-chemical characteristics (apparent density, electrical resistivity, thermal conductivity, compression strength) carbon cathode block samples of spent lining for aluminium electrolysis unit produced by OJSC "RUSAL Krasnoyarsk"; it is shown that to increase the bath...

At the present stage, China has become more and more demanding in terms of resource utilization. The development mode of circular economy also came into being. Its purpose is to reduce pollution emissions, improve environmental and resource utilization, and fundamentally coordinate the relationship between...

A kind of inspection robot which can be applied to smart substation is introduced. Starting from the mechanical structure of mobile robot, the kinematics analysis model is established. Aiming at the characteristics of smart substation, a magnetic navigation system is designed, and the optimal path planning...

Toforecast thenumberof ticks and take successful measures for decreasingthemin population it is necessary to know the features of their phenology in aparticular region. The majority of acarologists pays attention to the features of Ixodes persulcatus’activity as they transmitixodic infections. The proved...

Root exudates play a major role in the mobilization of sparingly soluble nutrients in the rhizosphere. Purple soils have poor fertility as a result of soil erosion and certain soil characteristics. In this study, we examined how root exudates of hairy vetch (Vicia villosa) affected soil-available nutrients...

In order to find out the epidemic situation of Brucella sheep in Binzhou county, the serum samples collected from 13 large-scale sheep farms in Zhanhua District of Binzhou City were tested for brucellosis, and a questionnaire was conducted to investigate the breeding situation and the epidemic situation...

The combustion and soot formation process of ethylene-heptane mixture was numerical calculated in an opposed-flow flame by an improved kinetic mechanism. The mechanism contains 211 species and 1410 reactions, including the pyrolysis reactions of heptane, core reactions of C0-C4, the formation of benzene,...

The computational fluid dynamics (CFD) method was used to establish the model of internal self-controlled restrictor hydrostatic bearing with discrete oil pocket area. The pressure field and velocity filed were calculated with different supply pressures and eccentricity ratios by the numerical simulation....

Nano TiO2-Fe2O3 composite photocatalyst was synthesized by solvothermal method. Fe(NO3)3•9H2O and titanium isopropoxide was used as precursor. The mixture of anhydrous ethanol, 2-propanol and diethylene glycol was used as solvent. The composite photocatalyst was characterized by X-ray diffractometry,...

Lightweight is an inevitable trend for the future development of automobile bodies. There are several suitable for steel-aluminum lap connection technology, with the application of steel-aluminum hybrid body. Mechanical connection technology, welding technology and adhesive riveting composite connection...

With the needs of the construction of colleges and universities, modern video surveillance system is not only a campus security requirement, but also an important part of the wisdom of the campus. In this paper, the campus video surveillance system is designed based on the Internet of Things technology,...

Hydrogen sulphide (H2S) is always present in biogas, and causes odours, corrosiveness, and sulphur emissions when the gas is burned. It is used regularly in internal combustion engines, turbines or fuel cells, the removal of hydrogen sulphide from biogas is required to protect the equipment. More importantly,...

Ingredients play a very crucial role in any dish, as they determine the flavor, taste, and texture of the dish, and they can impact the nutritional value of the dish. as if a dish includes many high-quality ingredients and protein sources that can provide necessary nutrients, vitamins, and minerals for...

The Central Mahakam River Basin is a vital ecosystem supporting local fishers’ livelihoods. Yet, it faces significant pollution challenges that may adversely affect both environmental health and the well-being of these communities. This study aimed to describe the perceptions of fishers from this area...

The increasing development of mineral resources have posed a significant challenge in the safe disposal of large volumes of tailings with high water content. This study aims to investigate the engineering properties and drainage consolidation characteristics of manganese tailings and assess the feasibility...

CO2 emissions are a global issue that many countries face. In handling this issue, one of them is by utilizing energy resources to cover CO2 emissions. However, among the many methods used to absorb CO2, one of the most effective is a process by injecting CO2 into the earth layer that also known as carbon...

Indonesia has a wide variety of unique flora that needs to be disseminated to the Indonesian people themselves. However, more than 80% of Indonesia’s forests have been razed to the ground. As a result, many endemic species whose habitats are endangered. This research aims to develop the AkarJaga application...

This study systematically investigated the chemical composition and in vitro antioxidant activity of Piper longum L. fruit spike extracts through gradient solvent extraction (ethanol, petroleum ether, ethyl acetate, n-butanol). Results demonstrated that the ethyl acetate extract exhibited the highest...

With the development of power enterprise informatization,the information and communication security have get more and more attention.With the further development of Henan Company"two transformations",the information and communication security are facing the new situation and challenges. Aiming at these...

Inorganic particles were successfully grown on cellulose surface using a mixture solution of boric acid and titanium ammonium fluoride by hydrothermal method. The synthesis was performed in a sealed atmosphere under optimized conditions, at temperatures between 50 øC and 130 øC. Scanning electron microscope...

With increased utilization of ultra-high-voltage power transmission systems, systematic noise assessment and condition monitoring schemes have been developed in recent years to address the environmental and safety issues involved. This paper summarizes the progress in these areas and outlines the directions...

The voltage problems in the DC voltage bus contains the voltage fluctuation, the voltage sag and the voltage interruption problems. In this paper, the wavelet module is established based on idea of wavelet transform. The voltage pollution source in the DC bus is identified by wavelet transform. In the...

This paper constructs the hardware of type open CNC system based on the mode of "PC + Motion Control Card "by using DMC1410 PCI motion control card , and studies the use of hardware in the servo control system. Using VC + + 6.0 provides the MFC as a tool for secondary exploitation, bottom control procedures...

The interfacial debonding behavior of short-fiber-reinforced composites (SFRC) can be an interesting subject for many investigators. In this paper, the effects of interphase properties on the interfacial debonding behavior of SFRC are investigated. Based on the shear lag model, the initial strain of...

How to confirm the photographing location and the photographing date is an important aspect of video data analysis. Solar shadow positioning technique is a method to confirm the photographing location and date through analysis of solar shadow changes of objects in videos. According to the image-forming...

With the advent of the era of big data, people face Web information overload problem. In order to efficiently and accurately obtain information on the network, Web information search technology has been developed rapidly. First in this paper, the working principle of the keyword search engines that are...

Through the study of existing image segmentation algorithms, this paper improves the standard FCM-based image segmentation algorithm. And according to the principles of effective treatment on neighborhood image noise by mean filtering and median filtering, proposes a new similarity distance calculation...

Based on Howard-Sheth model, this paper has constructed a mode to analysis the influence of attitude and involvement to purchase intention and the influence of stimulus factors to attitude and involvement. The author collected data by questionnaire survey. The authors examine the reliability and validity...