Advances in Engineering Research

The combustion of organics and fossil fuel have led to higher greenhouse gas carbon dioxide production and making global warming a pressing issue. Conversion of carbon dioxide into value-added chemicals and fuels is regarded as a more attractive and promising way from the viewpoints of reducing carbon...

Trading, agriculture, transportation and communication as well as services sectors are the prime contributors of the regional gross of domestic product in the island of Timor. However, the increasing of such priority sectors was relatively constant which might be occurred due to inappropriate efforts...

The damage to the mangrove ecosystem in Margasari Village District of Labuhan Maringgai, East Lampung Regency was predicted to reduce the estimated carbon stocks in the ecosystem. This research aims to determine the influence of the functioning of the mangrove ecosystem on the total biomass, estimated...

Infrastructure is one of the important elements in the development of a country. The number of bridge infrastructure projects that can increase the growth of the construction industry in Indonesia must be supported by construction technology as well as the use of precast box girders. Problems arise due...

The strategy to strengthen the coming of the industrial revolution 4.0 era in the maritime sector is technology. Technological development is undeniably more advanced, and Indonesia must follow these advancements. At present, all countries in the world are in the stage of adjusting themselves to the...

This study aims to determine the appropriate OBE-based learning evaluation model to be applied to Mechanical Engineering Education undergraduate at State University of Surabaya (S1 PTM Unesa). The research was carried out qualitatively using a development model based on a 4D model consisting of Define,...

Specifics and relationships between soil erosion and soil organic carbon in the Mongolian forest-steppe were studied in this research, in a case of Baga Mukhar catchment, west Khentei. Soil erosion was estimated by the Cesium-137 isotope tracing method. For estimation of soil redistribution rates from...

Mining companies provide the required materials for the energy transition and green technologies. The question which emissions and waste are generated to produce these technologies attracts growing interest throughout the society. Investors, governments, customers, and other stakeholders have recognized...

Greenhouse gases (GHGs) released from permafrost regions may have positive feedback on climate change, but there is much uncertainty about additional warming from the permafrost carbon cycle. One of the main reasons for this uncertainty is that the observation data for large-scale GHG fluxes are sparse,...

Image quality enhancement via impulse noise reduction is a critical phase in image preprocessing. Faults in the acquisition, storage, and transmission devices often corrupt the images by introducing noise that further hinders image analysis and processing tasks. This paper focuses on high-density salt...

In PT PLN (Persero)’s Electricity Supply Business Plan (RUPTL) for the period 2021 - 2030, there is a biomass co- firing program with coal at Steam Power Plants (PLTU). This program reflects PLN’s innovative efforts to increase the use of renewable energy sources without requiring large investment expenditures....

This paper gives a detailed analysis of the existing city shortest path algorithm[1], aiming at the high time complexity and can not represent the real situation of the problem of the existing city shortest path selection algorithm, and bases on the idea of Dijkstra algorithm, puts forwarda fast algorithm...

This paper deals with a design problem of robust internal model control (IMC) for multivariate descriptor linear systems with more inputs than outputs, which establishes a possible way to design and analyze descriptor systems. The main idea of the method is that the given system is first decomposed into...

Virtual learning community, as a new model of network education, is widely used in the process of learning. But this kind of way is not gradually satisfying people's needs for more intelligent and personalized. Teaching strategy in virtual learning community is an important research direction of intelligent...

In this paper the influence of beforehand condition and sinter degree to capability of sintered dolomite has been investigated by means of measure actived degree and capability of high temperature sintered and property of resist hydrate of different material granularity after different beforehand sinter...

The angular traffic flows of the bidirectional marshalling station would greatly increase the task for its characteristic of repeated unmarshalling with subsequently affecting the productive efficiency. Therefore, how to decrease the amount of trains of angular remains an urgent problem needed to be...

In order to improve the response speed of magneto rheological (MR) damper, the system is in need of a fast response driving power supply. Firstly, response characteristics of the MR damper was analyzed. Secondly, according to the basic principle of electromagnetic response, the design of the control...

In this paper, the relevant research work is carried out about seabed sound reflection. It has influences on the test results of a real-boat test based on the acoustic holographic technology. The effects of seabed reflection on underwater acoustic test is analyzed, through simulating sound field of free...

The random walk model is used to describe the mixing of municipal solid waste on the acting grate. An experimental system has been developed for studying the vertical mixing of the waste on the grate. The tracer particles are used to study the mixing process, which are made according to the physical...

This article discusses the partition node incremental deployment method in the wireless sensor network, which is divided into partition structure deployment, incremental deployment nodes and node position adjustment. It suggests how the partition node incremental deployment method might influence the...

The project was a shallow buried large-span highway tunnel, by means of synthetic geological prediction method before the construction of the advanced geological forecast was an effective measures to ensure the safety of tunnel construction. Based on geological exploration, used high density electrical...

With the development of tall building, the requirements for the structural design and construction of building becomes higher and higher, especially the design of the late-poured band in underground structure and the construction measures in the projects. In this paper, taking a high-rise frame structure...

This paper introduces the function and the work principle of a high-temperature gas trial system (HTGTS), elaborates the importance of gas temperature control in the system, and provides the mathematical models of the system. According to the problems such as time delay, time-variant parameters, interference...

This paper is devoted to the study of the energy characteristics of the traction power system of urban electric transport, the development of a methodology for evaluating currents distribution in traction networks and the development of progressive concepts of traction power supply systems. For the implementation...

Methods used for the determination of barium content in barium carbonate are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the barium with high content, the sample...

Because of the characteristics of high pour point and high viscosity of waxy crude, pipeline temperature must be calculated accurately in order to guarantee the safety of the pipeline operation. Therefore it is a crucial technical problem to simulate the temperature field precisely. In this paper, unsteady-state...

A refrigeration system achieves its refrigeration function generally through cryogenic refrigerant generated by multiple refrigerant compressor units. Traditionally, the operation of refrigerant compressor units is controlled only by experience or the proportional-integral-derivative controller of refrigerant...

This paper proposed a comprehensive loss reduction evaluation method for regional distribution grids based on G1 method and grey relational analysis(GRA). The method is good at avoiding the prominent disadvantages of analytic hierarchy process(AHP) by determining the weights of evaluation indices. Otherwise,...

A large amount of haze in the fire scene greatly affects the survey on the scene for fire fighters. The intelligent fire control can greatly improve the fire rescue efficiency and reduce the casualty rate. In this paper, an algorithm based on the hardware conditions of the intelligent fire helmet platform...

This paper discusses the implementation of long short term memory (LSTM) for forecasting the value of total dissolved solids (TDS). The TDS value in a hydroponic system represents the number of nutrients contained in water. The amount of water in the hydroponic system is important to note because optimal...

Autism Spectrum Disorder (ASD) is an overall developmental disorder that causes delays in social skills, communication, and behavior in children, so it is very influential in academic and non-academic results. In this case some parents of children with ASD get difficulty to communicate and understand...

The Sm-ZrO2-ZnO catalyst prepared by hydrothermal method is proved to be superior in stably photocatalytic degradation of Rhodamine-B under simulant solar light irradiation. Sm doping improves the ultraviolet and visible light absorbance. Composition of ZnO with ZrO2 leads to enhancement of ultraviolet...

Based on the discrete element software (UDEC), the variation laws of the seepage field and displacement field in water-resistant strata between karst cavity with high-pressuried water and tunnel are simulated and analyzed in thin limestone strata. The results show that under the same karst water pressure,...

Accompanying with many flexible AC transmission system(FACTS) devices put into operation, the safety and reliability of power system operation have been suffering more serious influence and unprecedented challenge. Moreover, it's always difficult to comprehensively and accurately analyze the impacts...

The automatic musical instrument classification taking place in a recording of music has many applications, together with music search through classes, music recommender methods and transcribers. Automatic instrument classification and identification of musical streams has become a difficulty research...

The impact of climate change on operation of the largest Russian hydropower cascade was addressed. A coupled climate-hydropower simulation was fulfilled assuming a model of the cascade taking into account the real dynamics of the hydro-engineering system. An ensemble approach was applied to CMIP5 climate...

The change in every phase of plant growth can be seen from the growth of plant organ every week. Cutting materials used can influence the growth phase in different light environmental conditions. The research aimed to find out light intensities and part of stem cuttings influencing the change in growth...

The National Institutes of Health (NH) is one of the most important medical research centers in the world. It is an executive agency of the U.S. Department of health and public health. The focus of health actions and measures in the United States and even the world are gathered here. N1h includes 27...

General assignment problems include n tasks that must be assigned to m workers where each worker has different competencies in completing each task. This research discusses the problem of solving minimization case assignments using a new method, namely the One-to-One Fixed Method. Completion of the One-to-One...

One of the key features of the current transition of the electric power industry to the smart grid technological platform is a large-scale application of distributed generation (DG) plants. The efficient operation of such plants is not possible without the development of new approaches to the control...

Carbon capture and storage (CCS) plays an important role in mitigating carbon dioxide emissions from industrial sources. The main issue in implementing CCS is its economy due to the high investment and operating costs. To overcome the economic issue, the carbon capture and utilization (CCU) provides...

Membrane separation technology is one of the most innovative and steadily growing fields across science and engineering. The performance of a membrane is determined by several key properties: high selectivity and permeability; excellent chemical, thermal, and mechanical stability under the process operating...

FMEA is a qualitative fault analysis method. Fault mode and failure mechanism analysis is the most critical link in the process of FMEA implementation, and it is also the most difficult to grasp. From the use of the situation and the results of the analysis, due to the lack of strict definition on fault...

This study reports on the design, analysis and testing of a new ten-module triangular prism mast. The triangular prism mast is designed such that it is derived by tape-spring hyperelastic hinges using the stored strain energy. Static bending and theoretical models are established to predict the triangular...

In this study, we report the activation energy of the optical self-oscillation for a polymer chain that consisted of N-isopropylacrylamide (NIPAAm) (25 wt%), the Ru catalyst (5 wt%) of the Belouzov-Zhabotinsky (BZ) reaction, and acrylamide-2-methylpropanesulfonic acid (AMPS) (75 wt%). The AMPS moiety...

Abstract. Objective: To observe and analyze the application value in clinical diagnosis of the diabetes patients with blood lipid inspection. Methods: From June 2013 to June 2014 we select 50 patients with diabetes and 50 healthy people in physical examination as the research object, they can be divided...

Wind speed forecasting has significant influence on wind energy development. In the paper, a least square support vector machine with a novel optimization algorithm was used to improve the performances of wind speed forecasting model. Coupled simulated annealing (CSA) and simplex algorithm were combined...

The braking energy recovery system of electric vehicle is worthy to be further discussed due to the improvement of both the energy efficiency and the endurance capacity. In this paper, the structural and the principle of the energy regenerative system for electric vehicles are discussed. The comparisons...

With the continuous development of information technology and network technology, using modern information technology to assist in the traditional form of teaching is becoming more and more important. In this paper, the in view of the problems existing in the current college English teaching, which makes...

In this study, we presented a new multi transient electromagnetic (MTEM) data acquisition array to solve the challenges observed in using the conventional data acquisition setup in MTEM survey over complex geology. This involves the use of double transmitter dipoles and the recording of both the forward...

A trajectory planning scheme is proposed to satisfy the requirements of maneuver and terminal guidance constraints in the reentry flight for ballistic missiles. The reentry interface circle with the target point as its center is determined according to the range of the reentry phase. Then, a reference...

The bending-torsional coupling effect of a curved bridge is so obvious. To explore the effect of the curvature radius to a curved bridge, the WuJiaWan Bay Bridge is taken as an object of analysis. The bridge is made up of high piers and long-span continuous ridge frame. The relationship of a whole curved...

A series of narrow size distribution nanocluster-assembled Pd films with ultraclean surfaces have been synthesized by plasma-gas-condensation cluster deposition system at different substrate temperatures. The electrocatalytic oxidation of formic acid on nanoclusters-assembled Pd film were studied. Cyclic...

For 3-d laser scanning point clouds of an expressway tunnel, a method of automatically extracting complete contours of cross-sections from them is proposed. By taking advantage of abundant normal vectors embedded in point clouds, this method can accurately compute the central axis of the tunnel and build...

Modern society is highly productive society, as well as high consumption. How to limit resources constantly in the process of consumption, as far as possible to save resources, efficient used multiple times, maximum the value of resources This is a worth further discussing issue for every field in modern...

Malik village is not a coastal area so fisheries activities are conducted in public waters by using traditional fishing technology. Knowledge of technology catching fish in Malik village regarding traditional fishing gears should be documented to preserve the knowledge as a cultural heritage. Research...

When accident or maintenance occurs in water distribution network, how to improve the service level of the user is the problem that urban water supply enterprises need to solve. This paper presents a optimization model based on DMA partitions for attempting to use the sensitivity method to find the pipelines...

Low speed skid resistance measurement is of great significance to analyse the actual causes of insufficient friction of pavement, and to formulate appropriate maintaining measures. At present, the British Pendulum Tester (BPT) and Dynamic Friction Tester (DFT) are commonly used to measure the low-speed...

Jatingaleh Underpass is designed to solve congestion problem and reduce the rates at which accidents occur at intersections due to conflicts, but bottleneck can affect traffic performance. This study aims to determine in traffic movements, traffic performance after the existence of Underpass based on...

Plant growth and development are greatly influenced by soil edaphic factor and microbial community present in the rhizosphere. Although some microorganisms are important, some can cause disease in plants and lead to the death of the plant. Trichoderma sp. is an important soil fungus which has the potential...

Higher-level thinking skills in determining the topic and direction of policy is very important research related to the comprehensive benefit as a result of a study. The study is expected to provide comprehensive solution of social problems of his day so the presence of the results of research studies...

It is one of the important methods to promote the sustainable development of tourism to fully tap the marine culture, enrich the modern leisure tourism. Danjia live in Qinzhou for many years and form a unique cultural. From the clothing, ship, shed of Danjia, this article analyzes its cultural factors...

Based on sample survey of 68 corporations in City D, this study analyzes corporate awareness, behavior, performance and policy needs of energy saving and pollution reduction in the "12th five-year" period, with the help of questionnaires and face to face interview. The empirical analysis of 68 corporations...

Settlement and housing development is the main activity in arranging the spatial layout of Palangkaraya, focusing mainly on the small-type house like type-36. Most of the type-36 housings planned by the developer are on peatland. Indonesia’s Public Housing Minister states that the type-36 house is appropriate...

Incredible city transportation utilizing a safe, comfortable, stable, and efficient smart transportation system with modern arrangements has become a necessity. Currently, the transit busses still run on the open road in mixed traffic, which means the arrival times cannot be anticipated correctly. Furthermore,...

The existence of a sign on the building is very important because it communicates the message of the building to the observer and user. With the sign, a building can be known as its functions. Not only the sign, but the form of the building also shows the function in it. Therefore, a sacred building...

Floods are one of the most frequently occurring natural disasters in Indonesia. It is therefore of special concern to reduce the risk of flood fatalities and other damage. The purpose of this study is to design a flood early warning system based on the Internet of Things (IoT). In this work, we use an...

COVID-19 is caused by Coronavirus which has been previously linked with 2012 SARS disease. This is an RNA virus. Highly contagious is nature; spreads by air droplet and contact. It needs both air and contact precautions. Interventions to prevent its spread have been tried which includes social distancing,...

HBase and MongoDB are non-relational databases where HBase is column-oriented, and MongoDB is document-oriented. MongoDB uses indexing to speed up the searching process, while HBase does not have secondary indexing, a lookup table was created to save an index of searching. This research used a prototype...

Non-sterilized substrates mainly composed of soybean straw were used to cultivate Ceriporia lacerata for preparing mycelium-soybean straw composite materials (MSCM) in this research. The effect of the particle sizes of soybean straw on preparing MSCM was evaluated. Compression properties, thermal conductivity...

Aimed at the problem that the compensation method for attitude and heading reference system (AHRS) cannot adapt the changing magnetic field environment, an adaptive compensation method based on strong tracking cubature Kalman filter (STCKF) is putted forward. The system equation of magnetic deviation...

With the rapid development of radarsignal processing systems, a great demand of high-speed communication is required. JESD204B interface has become an outstanding solution for ADC-related data transmission, and has been widely applied. However, the synchronization of multiply JESD204B-based ADCs has...

In view of the current problems in the process of implementing safety management system in building construction in our country, one model was established for safety evaluation on building construction with taking expert scoring as network input, security class as the output based on Hopfield neural...

Hydrothermal sulfide ore in submarine mineral resources is a hot topic recent ocean exploration. From the fundamental equations of electromagnetic field, this paper first puts forward the model of ; Then, Analytical solution of the simplified nonlinear diffusion - heat conduction model is given, which...

With the continuous development of wearable health monitoring technology, new types of Electrocardiogram (ECG) electrodes become the focus of attention, such as textile electrode, non-contact electrode, and micro-needle electrode. However, there are not yet unified performance testing methods for different...

As one of the techniques of protein synthesis in vitro, the cell-free protein synthetic system has many advantages, such as simple manipulation, good genetic background and so on. In recent years, the technology of cell-free protein synthetic system has made some breakthroughs in the fields of stability...

Numerical simulation of unsteady airwakes of a simplified frigate model (SFS) was performed with structured grids, third order MUSCL spatial discretization scheme, second order implicit temporal discretization scheme, and LES turbulence model. The results show that velocity fluctuation of SFS airwakes...

Indoor positioning is a challenging task in location-based services (LBS). The basic requirements of the indoor positioning system are high accuracy, availability, and cost and energy efficiency. Apple's Bluetooth Low Energy (BLE) based iBeacon along with pedestrian dead reckoning (PDR) system meets...

College students are already the main body of modern innovation and entrepreneurship. Cultivating college students' entrepreneurial ability can not only improve the comprehensive quality of college students and reduce the employment pressure, but also play a vital role in promoting new social development....

Fresh water is the limiting constraint for development in much of the world. As we know, China is a water-shortage country, where the water available for each person is only a quarter of the world’s average level. Author put forward five water strategies to help the government meeting the water demands...

The microstructure and superhydrophobicity of the moth wing surfaces were investigated by a scanning electron microscope (SEM), an atomic force microscope (AFM) and a contact angle (CA) meter. The relationship between superhydrophobicity, self-cleaning performance and microstructural characteristic was...

Battery is major component of smartphone, but only selected samples are periodically examined due to numerous numbers of batteries. The Consumers are generally required the use of high energy density batteries. However, most consumers are often dissatisfied with the battery life from even the most advanced...

In this paper, the time domain collocation method (TDC) is applied to solve the van der Pol equation. The results obtained by the TDC are compared with the results by the traditional harmonic balance method (HB) and high dimensional harmonic balance method (HDHB). For the extended TDC method, appropriately...

With the development of China economy the demand of electric power is increasing. Power grid entered a rapid development stage and a series of problems about power grid construction projects' investment is becoming more and more attention. First, combined with the content of the power grid infrastructure...

Based on the analysis of key technologies such as web crawler, information extraction and cross-language retrieval. This paper searches the related goods using Chinese, Tibetan, Mongolian and Uygur or English from the corresponding index database by using multi-lingual dictionary. In order to achieve...

Compared with conventional path planning method, the path planning for carrier based UAVs has its own characteristics, especially in its return section. Firstly, the fuel carried with the UAV is limited, so that the UAV is expected to return to the carrier as soon as possible after the task is finished....

With the development of highway in our country, geological structure of the artificial analysis method, will waste a lot of time, manpower, financial and material resources. Although the digital image processing is applied to the analysis of geological structure in the initial stage, but can greatly...

This study intends to quantify the energy consumption and environmental emissions in the entire life cycle of a scroll compressor produced in a Chinese factory and to determine the stage with the largest environmental impact. The results show that energy consumption, CO2 and dust are three predominant...

In order to detect the liquid level values in ordinary lives and industrial production easier, faster and more accurately, this system took ARM as the controller. The ultrasonic emitting and receiving circuit ensured the reliable ultrasonic transmission time. By proper conversion process of ARM, the...

This paper is intended to propose a way of utilizing low-temperature waste heat what base on forced oil circulation cooling transformer. Cooling of large power transformers affect the normal operation of the power system. Existing techniques simply cool the transformer, but there is not take full advantage...

This study introduces the measurement and evaluation of the standard detective quantum efficiency in digital radiography. The detective quantum efficiency (DQE) is the most suitable parameter for describing the imaging performance of digital Radiography. DQE is defined as the squared ratio of the signal-to-noise...

Poly(ester-co-ether) as a potential ‘‘green’’ plasticizer for poly(lactic acid) (PLA) was synthesized from diethylene glycol adipate (DEAP) with neopentylglycol adipate (NPAP). The chemical structure of poly (diethylene glycol adipate -co- neopentylglycol adipate) (PDNA) was characterized by FTIR . PLA...

The practice of structure design and detailing of a reconstructional high-rise building is introduced. To fully utilize the old structure and meet the requirement of the reconstructed structure, measures have been put forward. The enlarging of concrete pile cap and adding strip foundation-beam were used...

Hyperspectral Remote Sensing Technology in geological prospecting, spectral feature information extraction and other aspects have made significant progress, and a lot of achievements. Compared with the traditional geological survey, mapping prospecting, geological mapping using hyperspectral have low...

It introduces the types, energy conservation principle and application scope of the existing energy-saving glass. Energy saving glass is analyzed from different angles, and concluded glass types which are suitable for energy saving renovation of existing buildings.

In the overall context of global climate change, global warming, melting glaciers further have increased the probability of occurrence such as a gradient with a slow onset of climate risk and drought, floods and other extreme mutation catastrophic climate risk, These adverse effects has brought about...

Nowadays the main oil recovery is done in Western Siberia. The biggest deposits are at the final stage of the recovery. The oil recovery increase can be achieved by heavy oil recovery and correct development and supplementary development of medium and small deposits. Torrential deposit is one of the...

How to estimate the aviation equipment software size accurately is the precondition of carry out the estimating software R&D cost. This paper analysis the common case point method to estimate the software size. And then the paper point out three shortcomings of the method. That is the method can’t use...

Mathematical models of dynamics of pressure swing adsorption processes for the separation of synthesis gas (into hydrogen, carbon dioxide and carbon monoxide) and air (into oxygen, nitrogen and argon) have been developed. The models allow calculating the profiles of component concentrations and temperature...

In this paper, the time-frequency characteristics of micro-seismic signals before and after the rock burst occurred in the 1300 working face of a coal mine in eastern China were analyzed. The results show that before rock burst occurrence, the amplitude was small with gentle vibration fluctuations. And...