Advances in Engineering Research

Judaism is the religion which is attaching great importance to laws. Among many laws and statutes, the laws about charity are of great importance. Judaism does not mention too much on dogmas or creeds but pay much attention to daily life practice. Charity plays a great part in the daily life of Jewish...

As an excellent insulating medium, sulfur hexafluoride (SF6) is widely used in electrical equipment, despite its high global warming potential. Besides, a series of hazardous decomposition products can be formed after long-term use of SF6, so it is very important for power companies to recycle SF6 in...

Ni-P, Ni-P-TiO2 and Ni-P-SiC composite coatings on AZ91D magnesium matrix composite were prepared by the electroless composite depositing. The surface morphology of the coatings was observed by scanning electronic microscopy(SEM) and electron probe X-ray microanalyser(EPMA). The corrosion resistance...

Bulk metallic glass Cu29Zr32Ti15Al5Ni19 was successfully prepared in a copper mold with designing idea of high entropy alloys. The compressive strength of glassy Cu29Zr32Ti15Al5Ni19 is 1673.4MPa. Particular attention should be pay to that it shows a plastic deformation high up to 20% during compression....

a pressure regulator is an essential equipment during delivering natural gas to consumers with the help of pipe lines at present, but the potential pressure energy of high-pressure natural gas is not recovered. So a gas expander is employed to replace some regulators to recovery pressure energy during...

The renewable energy generators have the feature that varies as weather changes. The fluctuation of the power output will break the balance of supply and demand among the electric power grid, bringing risk to the whole power system. In March 20, 2015, total solar eclipse caused a sudden drop and then...

This paper is concerned with the disturbance rejection of weighted multiple-model adaptive control (WMMAC), in which the error index of weighting algorithm has been improved to filter out the influence of severe disturbance. Simulation results verified the effectiveness of the proposed scheme.

It is very important to obtain the distribution of passengers awaiting the train, which partly determines the number of passengers in each car and the train dwell time. The aim of this paper is to study and model the dynamic distribution of passengers on metro station platforms prior to a train’s arrival....

Coal is used as the basic energy source in China, however, the exploitation and utilization of coal has a serious environmental impact. Compared to coal and petroleum, the LNG has less storage space, easy transportation and storage, large calorific value, and higher safety performance. Therefore, we...

By exploring statistical process control (SPC) technology in the printing and packaging.

M-ary spread spectrum telemetry is employed to overcome the constraints imposed by spreading factor in data rate. In this paper, M-ary spread spectrum code division multiple access (CDMA) underwater acoustic (UWA) communication is proposed to improve data rate of conventional CDMA, and the data rate...

To investigate the physiological adjustments of textile workers exposed to high temperature environment, 10 workers with years of work experience and 12 students with rarely entering into workshop were chose to a hospital for blood test and nerve conduction velocity measurements. The blood test was to...

Doubly-fed induction generator (DFIG) wind turbine has been widely used in wind energy industry due to its good energy capture performance, fine controllability and simple realization. In this paper, a mathematical model for the operation and control of a DFIG wind turbine was proposed. Battery storage...

The influence of the impact energy on the impact damage of the carbon fiber fabric reinforced epoxy composites laminates was investigated. Impact tests on the carbon/epoxy composite laminates with the size of 600 mm×700 mm were conducted with different the impact energy levels from 5 J to 65 J at the...

Underground construction of tunnels and caverns is an ever challenging project by virtue of the likelihood of encountering uncertain ground conditions. This is true despite all advancement in the field of prediction tools, equipment and instrumentation. One major factor leading to such uncertainties...

With the increasing advancement of industrialization, light steel has been used more and more frequently, hence stability and global stiffness of light steel structure has been received more and more attention. In order to find effective ways for enhancing connection strength and stiffness of light steel...

The magnetic loss characteristics of ultra-thin nanocrystalline magnetic alloy Fe73.4Cu0.6Nb3.5Si13.5B9.0 with 14 m were studied, and compared with conventional nanocrystalline magnetic alloy strip with the thickness of the 26 m. It was found that reducing the thickness of alloy strip could significantly...

The integration of large-scale Variable-Speed Wind Turbine Generators (VSWTGs) will challenge power systems frequency stability due to the lack of inertia response and reserve capacity in their control system, which are important for power system stability and power quality. This paper deduced quantitatively...

Three kinds of salen catalysts, mono-chloromethyl-salen-Mn, tetra-tert-butyl-salen-Mn and mono-chloromethyl-slaen-Co, were synthesized and then immobilized onto ceramic membranes by two steps. First, 3-aminopropyltriethoxysilane (APTES) was grafted on ceramic membranes in order to introduce amino groups...

For hyperspectral remote sensing imagery, the observation of image pixel usually consists of more than one material, causing it to be a “mixed pixel”. In order to analyze the hyperspectral dataset, it is necessary to decompose the mixed pixels into a collection of substances’ spectra and their corresponding...

The lack of aromatic and cyclo-paraffin components in aviation alternative fuels such as hydrotreated biofuels due to different production processes may have influences on fuel performances. This work investigated the effects of aromatic and cyclo-paraffin components on physical properties and spray...

Micro-Macroscopic Coupled Simulation is an important method in the field of microfluidics. Pre-Post processing is an important process of macro and micro coupling simulation method. Nowadays, there is no unified and effective pre-post processing method in Micro-Macroscopic Coupled Simulation. Based on...

This paper presents an overview of the wind-hydrogen coupling system(WHCS), as an effective method of solving wind power accommodation, WHCS has great economic, social and environmental benefits, which has been attached great importance to and promoted widely. The paper introduces the basic structure...

The use of intelligent detection and identification software for traffic signs have been an indispensable part of the advancement of transportation systems and networked cars into an intelligent system. As neural networks become more effective in image recognition and classification testing, they are...

With the large-scale application of solar in power system, traditional transmission planning of merely focusing on construction investment and operation cost could not meet the practical demands. Based on the evaluation index of the line operation efficiency and the distribution of the power flow, a...

Peat is an organic soil which has very low bearing capacity and very high compressibility; its organic content is higher than 75%. Peat is classified into two categories, amorphous granular peat and fibrous peat (fiber content > 20%). Fibrous peat has higher bearing capacity compared to the amorphous...

EonTex Conductive Strangeable sensor is a sensor with e-textile technology where the sensor is in the form of a sheet of fabric. EonTex Conductive Strechtable sensor has a resitive property, where if the sensor is pulled or spun and then returned as before again the EonTex Conductive Strechtable sensor...

The question of providing agricultural land for food is currently experiencing problems and challenges. Threats to the function of agricultural land for non-agriculture potential threaten food security. The formulations of the problem proposed include 1) how is the implementation of policies for sustainable...

The paper deals with the analysis of trace element composition of stevia plant raw material. The stevia plant is able to regulate excess of toxic elements and to selectively accumulate essential elements. The essential element content in the plant raw material does not exceed the acceptable standards...

Issues of managing the commodity turnover of companies in general, and supply, in particular, are currently of concern to many researchers and managers. The article considers the most common approaches to assessing the effectiveness of logistics and supply management by the weighing method. The most...

The content of Chromium in plastic products is (276±6) mg/kg, which is determinated by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) using Microwave digestion. A mathematical model of the uncertainty containing variables such as regression equation, constant volume , weighing weight and so on...

With the continuous development of information technology and computer technology, the development of digital signal processing technology has appeared in people's sight and has been paid more and more attention. Nowadays, it has become an important technical subject. The emergence of DSP makes digital...

With the rapid development of economy and power grid, contradictions continue to increase between overhead transmission lines protection and construction, more and more fault trips occur caused by external damage, monitoring and warning methods for external damage become very important to guarantee the...

Basing on the characteristics of radar signal and the algorithms' applicability and performance of different algorithms, this paper selects scientifically the most suitable option for radar imaging among these four sparse fast Fourier transform (SFFT) algorithms: SFFTv1,SFFTv2, SFFTv3 and PS; Evaluates...

For 3D (three dimensions) photoelectric torque sensor with high Integration, there are two problems. One is the optimization of the layout of multi-measurement units, the other is mismatch of stiffness among the dimensions. According to optimize the layout of multi-measurement units, a scheme is proposed,...

Free vibration analysis of multi-directional functionally graded annular plates is achieved in this paper. Uni-directional and bi-directional exponentially varying material properties through the thickness and along the radial direction of the plate are assumed. A four variable refined plate theory and...

Automation, information, intelligent and digital way will be in all areas of society attention, especially in the field of electrical energy automation control, it is China's economic development plays a decisive role. Electric energy-saving design technology to China's power industry has brought a substantial...

The operation of distribution network will be greatly affected when distributed generation (DG) is accessed to the network. The degree of influence is closely related to the location and capacity of distributed generation. Therefore, it is of great significance to evaluate the consequence of installing...

The volume of saturated vapor and saturated liquid of R134a were calculated by using four cubic equations of state: SRK,PR ,T-L and S-Y . Calculation shows that in the range of ? 50 ? 90 ? ,the T-L equation of state has the highest calculating accuracy, the average deviations of calculation of saturated...

Ecophilosophical model is justified as a methodology for overcoming modern destructive and anthropogenic disturbances in social life and nature. The relevance of the study is associated with the need for solving the problems of preservation and further development of life on Earth, interpreted in the...

One of the causes of low productivity of cocoa due to Conopomorpha cramerella known as cocoa pod borer (CPB) and black pod rot (BPR) caused by Phytophthora palmivora. Biopesticides consisted of Beauveria bassiana and kaolin was introduced to protect the surface of cocoa pods from CPB and BPR. The research...

Indonesia lies above one of the active three tectonic plates on earth, which causes earthquake disasters frequently. In 2018 the island of Lombok was hit by a 7.0 Richter Scale earthquake creating major destruction of buildings. While most of the modern building construction damaged when hit the waves,...

Aircraft safety and security is a major factor in aviation. Therefore, ensure the aircraft maintenance and repairs carried out correctly, effectively, and efficiency needed to support these factors. This study aims to explain the importance of an aircraft mechanic to have critical thinking skills and...

It is known that carbonate reservoirs account for about half of the world’s oil and gas reserves but not many have been put to production. In Central Luconia, Offshore Sarawak, Malaysia for example, there are about 200-250 known carbonate buildups that can account for between 40-70% of the country’s...

Mongolia possesses substantial fluorspar (CaF2) resources, with over 224 licensed deposits covering more than 61,000 hectares. The country holds strong potential to expand its export capacity by producing value-added products such as hydrofluoric acid (HF) and its downstream derivatives. This study explores...

Briquettes are one of the alternative energies in the form of solid fuel consisting of powders of small pieces that are compacted and mixed with adhesive materials so that they become a solid form. This study aims to produce briquettes and look for the effectiveness and influence of the composition comparison...

In this study, our objective was to determine key ecosystem services of Khukhmorit soum that benefit locals both directly and indirectly, and estimate the value. We identified key services based on Millennium Ecosystem Assessment (MA) categories. Ecosystem services are divided into 4 groups: provisioning,...

In recent years, with the application, development and popularization of network technologies such as cloud computing, Internet and Internet of Things (IoT), human society has entered the era of explosive growth of data, and the generation and circulation of massive data have become the norm, and the...

Bandung is a prominent city in Indonesia that encounters substantial challenges related to traffic and transportation, including congestion. Intersections are locations where cars from many directions converge and must halt or alter their course. An effective intersection can enhance traffic flow, mitigate...

This paper proposes a novel method for measuring the linkage between science and technology (S&T) based on the co-citation of patents and academic papers. This method differs significantly from the Science Linkage (SL) index, a science-based index first proposed by Narin. By analyzing the co-citation...

Most people nowadays are suffering from paralytic disorders, which cause an ample of problems including the inability to talk, the inability to engage in physical activity, and the difficulty in expressing basic needs, while they may still use their eyes and frequently move their heads. A person with...

Carbon dioxide conversion is considered a promising solution to the problem of global warming and the need for renewable energy storage. Although it is challenging to develop a process that combines the complete conversion of CO2 to CO in the absence of O2, this paper describes such a solution. In this...

Gas disaster is the serious threat to coal mine safety, the accurate prediction of coal mine methane (CMM) is one effective method avoiding the hazard occurrence. This paper first confirmed the chaotic characteristic of CMM sequence and calculated the delay time and embedding dimension. Combined chaotic...

With the new development of electricity reform, many problems that involving the release of retail side need to be solved, which makes the compliance risk management very crucial. Compliance risk management is a kind of management theory that can proactively identify and manage the compliance risks that...

Orthogonal frequency division multiplexing (OFDM) is a high efficient multi-carrier modulation technique for broadband communication applications with high peak to average power ratio (PAPR). In order to reduce the adverse effects of high PAPR on communication, a novel time shifted non-orthogonal frequency...

As an important infrastructural facility, the energy consumption of the railroad during the built is the main part among the overall process. There have not the criteria to evaluate the contractors on saving energy during building the railroad. A system of saving energy,concluding four main indicators...

Abstract. To observe and investigate the influence of system early rehabilitation and nursing intervention on the recovery of the injury hand function. Methods: We select 32 cases of hand trauma patients after the surgery as observation group from August 2012 to August 2014, and postoperative 2 day of...

Underground parking lot is a component of intelligent buildings, it has correlations with whole building as well as being a relatively dependent space. The safe reliability and stability of the parking lot monitor system is the core of the intelligent system. In this paper, through research and analysis,...

Copper-Indium alloys elements were metallized into 304 Stainless Steel surface by Double Glow Plasma Surface Alloying Technology (Double Glow Technology). Microstructure and Corrosion Resistance of diffusion layer analyzer was analysed by scanning electron microscopy, energy spectrum and electrochemical...

In order to compensate the error of angular-rate integral and improve the precision when it comes to measure the attitude of carrier , a method based on 3-axis gyroscope is proposed. The movement of carrier is viewed as time series based on sampling interval, and two adjacent measurements are relative....

Technological equipment in various industries uses an abrasive effect on the object being processed, and the continuity of the contact of the working organs with it is often disrupted. Sometimes such regime is maintained intentionally, that is, periodic contact of the treated object with the abrasive...

Paddy soil microbial community composition and functional diversity changes after a long-term fertilization were studied by BIOLOG. The results showed that the AWCD value eventually reached after a long-term fertilization was increased at some extent compared with the no fertilization. The diversity...

In this study, the drop tests of eggs had been performed at different heights and different cushion materials, to assess the dynamic behaviour of eggs and to compare the cushioning performance of materials. Expandable polyethylene, expandable polystyrene and triple wall board were chosen as cushioning...

A composite of nano-zero valent iron (nZVI) supported on granular activated carbon (GAC) was synthesized through adsorption-reduction method, and its performances used as catalyst of Fenton-like were investigated to degrade methylene blue (MB) in model wastewater. The results show that homogeneous dispersion...

In this research, instrumented nanoindentation tests were performed to determine the mechanical properties associated with pop-in events of the ZrB2-SiC composites reinforced with and without the mixture of boron nitride nanotubes (BNNTs) and boron nitride nanoplatelets (BNNPs). The results show the...

Fe thiolate complexes Fe(bpy)(pyS)2 (M) were synthesized, the properties of complexes were characterized by 1H-NMR and MS and the effects of reaction conditions on catalytic performance had been studied. The results of catalytic performance implied that when 5% triethylamine was used as electron donor,...

This paper researched the loss of high speed slotless permanent magnet synchronous motor (PMSM) with appended leakage inductance structure. This PMSM adopted novel stator structure to add the leakage inductance for solving the problem that high speed slotless PMSM inductance value is small. Compared...

Water-soluble fluorescent gold nanoparticles have been attracting great attention due to their excellent optical, electronic, catalytic and biological application in recent years. In this paper, recent research progress in the preparation methods such as using small single molecule and macromolecule...

This paper developed 10 kV distribution line current terminals with both measurement and communication functions, these terminal hang in the 10 kV power distribution overhead line, and through the open magnetic circuit current transformer current measuring circuit and by using the method of curve correction...

The prevailing method based upon the oil-paper balance curve for evaluating the moisture content in transformer pressboard is faced with serval limitations. Therefore, the aim of this paper is to report an available approach to accurate predict the moisture content of pressboard. The published researches...

Energy storage system (ESS) is integrated to a microgrid for managing the intermittent power from the renewable energy source. The battery energy storage system (BESS) is widely used in a microgrid, but it has various factors such as a high current of discharge/charge that affect the lifespan and quality...

In view of the fact that the fault of railway signal equipment is difficult to diagnose, this paper designs an expert system to simulate human experts to make decisions and improve the science of fault diagnosis. The design includes four aspects: First, a system structure composed of a database, a knowledge...

In order to study the effect of geological factors on the surface subsidence coefficient. Based on the analysis of all influential geological factors of subsidence coefficient and the typical mobile surface observation station data of China, the influence of each factor and the influence difference were...

Based on the measured data of Shihezi power plant four Hongshanzui water channels and lining channel frost heaving characteristics. According to the theory of frozen soil mechanics,use the convection heat transfer formula and the temperature field was analyzed with nonlinear method of the software ANSYS.Winter...

To keep competitive price of goods, the cost of logistics goods transport should be low. Shipment of goods in Java Island is dominated by trucks as high as 98% while the use of trains is only 2%. Truck-based goods transport poses problems from traffic congestion to high fuel inefficiency. Logistics centers...

Based on the secondary development platform of large-scale finite element software, the Fortran subroutine of Duncan - Chang EB constitutive model was compiled and embedded in software. Drainage consolidation shear triaxial test of Shuibuya dam materials was carried out. The triaxial experiment results...

Using the stock price data to set up a sequence to explain the relationship of stock price data, the future stock price can be forecasted. This paper conducts the real modeling research on the shanghai composite index utilized the GARCH-class models. The results of this paper had indicated that stock...

Sidoarjo urban area is an area with different type of activities, such as settlement, trade, services, government, and also public service such as schools and hospitals. Different type of activities generate high levels of transportation activity resulting in high level of CO2 emissions. The purpose...

With the vigorous development of China’s auto industry in recent years, car washing has become more and more important. In view of the high cost, low efficiency, low cleanliness, low automation and low water utilization rate of the current car wash industry, this paper designs a fully automatic car washing...

The skill of Intercultural Communication is needed in today’s global world. This is due to the development of digital communication and the easy movement of people across the globe that increases the chances of people to meet and interact with others who are coming from different spheres of the world....

In the real world, data is perceived in three dimensions (3D). Automatically analysing 3D visual features is essential in several real-time applications notably autonomous robots, autonomous vehicles, and augmented reality. It is apparent that 3D data are represented in a variety of ways, such as a polygonal...

Sustained urban growth in Greater Accra demands permitting systems that guarantee safety, orderly land use, and environmental stewardship. The study investigates the building permit acquisition process and challenges within the Greater Accra Region. A quantitative survey was conducted with 106 respondents,...

In the context of the digital age and the growing prevalence of the Internet, spectrum resources assume a pivotal role in the field of communication technology. This paper examines the potential of modern spectrum allocation algorithms in communication systems, particularly in the context of limited...

To analyze the factors affecting the water inflow of suspended water stop curtain foundation pits and study the water inflow patterns caused by the pressure reduction and precipitation process of pressurized water under different conditions, this paper adopts finite element numerical analysis method....

The increasing demand for energy-efficient cold storage solutions, particularly in the transport of perishable foods, has led to the exploration of phase change materials (PCMs) as alternatives to conventional refrigeration methods. This study investigates the use of eutectic mixtures of polyethylene...

To enhance the efficiency of bridge pre-cast construction, this study elucidates the benefits of steam curing by analyzing the effects of different curing regimes on the mechanical properties, durability and pore structure of concrete. The findings indicate that steam curing can markedly enhances the...

“Kampung Tahu Selili” is one of the tofu industry areas located in Samarinda City. The production process still uses traditional methods, resulting in waste being directly discharged into the river. This study focuses on the Pak Sadino Tofu Industry, one of the tofu industries in Selili. The aim of this...

This study aims to develop a smart home monitoring and control system using the ESP32-WROVER CAM module. Homeowners are able to control the system from their phone's Telegram app, and it can provide instant notifications if unauthorized entry, gas leakage, or fire is detected. The experimental method...

When 2020 began the outbreak of new pneumonia, namely the coronavirus disease 2019 (COVID-19), alcohol suddenly became less available because it was the most sought-after item. This is because 70% alcohol can be used as an antiseptic and disinfectant solution to overcome coronavirus transmission. The...

High shear wet granulation is widely used in the pharmaceutical industry, however it is still difficult to predict the results of granulation and explain the relevant results. The paper reviews the three key processes in high shear granulation: wetting and nucleation, consolidation and growth, and breakage...

A green transportation system contains that the layout of the community and urban functions should be driven by the industrial layout. A number of sub-centers are established on the basis of the industrial set with larger production relation in the city, so that reduce the flow of population and traffic....

In order to study the influence of unbalanced three-phase load on distribution transformer's outlet voltage, the ATP-EMTP simulation model has been built. Distribution transformer's outlet voltage under different load parameters has been researched. The simulation results show that active and reactive...

A series of a novel class of linear aromatic ether polymers (AEP) containing perfluorocyclobutyl and triazole unites were synthesized by click chemistry and their structures and properties that were characterized by FT-IR, 1H NMR, GPC, TGA, DSC and WAXD. The results showed that these polymers exhibited...

Modeling of wind power plant is the basis for studying the influences that wind power has on electric power system. Based on the characteristics of wind power generation, this paper summarizes some common modeling methods, and puts forward the research prospects of wind power modeling.

In the simplex method of linear programming, there is a big M method (the penalty factor method) for finding an initial feasible basis. The current textbooks of operations research only explain that the big M method is efficient when M is large enough, and never give precise evaluation to the parameter...

NFC is a short-range communication of non-contact, combining NFC and smart phone in the field of mobile payments has broad application prospects. Unity3D is the most convenient and reliable software to realize cross-platform application transplant in the current field of game development. Unity3D-based...

Tissue engineering in cerebral vessels refers to fusion of bioengineering, cytobiology, molecular biology and traditional endovascular treatment technology. This technology takes spring ring and stent as mechanical carrier and takes biodegradable material or virus as biological carrier, and carries in-vitro...

Starting from the existing evaluation system of asphalt pavement, single evaluation index and the comprehensive evaluation index are evaluated respectively. Based on engineering examples, this paper puts forward that the weighted geometric mean generation is to optimize the existing weighted arithmetic...

In order to assess reliability of polymorphic wireless sensor networks, specific to characteristics of communication delays, imperfect cover (IPC) and common cause failure (CCF) which are different from general network, a reliability evaluation model of multistate WSN is constructed, which simultaneously...

Accelerating the Jiangxi Province tourism construction has great significance on social and economic development of Jiangxi. As insufficient in current evaluation system of tourism competitiveness system and lack of tourism province evaluation index system and method of academic research, this study...