Advances in Engineering Research

As a late non-neovascular manifestation of age-related macular degeneration, geographic atrophy (GA) is characteristic of irreversible atrophy of retinal pigment epithelium and photoreceptor. It is one of major pathogenesis of global blinding. Current therapies (e.g. complement inhibitor) can only slow...

Cataracts are the number one cause of blindness in the world as well as in Indonesia according to the World Health Organization (WHO). The high cases of cataracts in Indonesia are not matched by adequate health facilities. The cataract surgery rate in Indonesia is still below the ideal cataract surgery...

It is common for cement pastes to require high early strength when cementing in unusual locations, such as deepwater, ultra-deepwater, or cold polar seas. While prior research indicates that lithium salts may substantially enhance the early strength of cement pastes, the effect of TSL on the hydration...

A Retaining Wall (DPT) is a structural element designed to hold back soil and maintain land stability, particularly in hilly or landslide-prone areas. In Ubud, Bali, a region renowned for its cultural tourism and natural landscapes, retaining walls play a crucial role in ensuring land stability and infrastructure...

As the prevalence of the Internet +and big data, Chinese construction industry, especially, such as grid construction that it is high -investment projects. They are actively reform, strengthen project cost management, to adapt to the new requirements of the times. The paper analyzed and assessed grid...

Currently, petroleum enterprises in China handle hundreds of millions of documents and archives every day, most of which are managed in the traditional paper document management and distribution system. This traditional document management model has significantly slowed down the preservation and sharing...

In this paper, Boubaker polynomials and the Boubaker polynomial expansion scheme (BPES) are discussed. We present a transform from Boubaker polynomial to Legendre orthogonal polynomials. By this transform, the spectral-type numerical method using Boubaker polynomial can be deduced for seeking numerical...

The paper is base on a survey activity on a subset of 48 buildings for social housings. The structural materials are R.C. and Masonry. They are representative of about 9000 social flats on the district of Leghorn (Italy), built from early '900 up to 1981, date of adoption of seismic norms. The subset...

Mineral resource is the basic conditions for production and operation of many industries in the social development, and its exploration has become important in the related industry chain. Over the years, the scale of mineral resource exploration has been expanding, and with the continuous development...

1/3 of global consumers will be intelligent mobile phone users to 2018 and the total number will be more than 2560000000. Mobile phone charging will certainly be a major problem in future society, especially charging in public. This paper analyzes and comments the development status as well as various...

Haze-fog has been a severe pollution weather phenomenon in China due to a large number of emissions of pollutants with the rapid development of economy. The areas burst haze are usually coincidence with high density of electricity transmission line corridor or power load areas, and so the pollution flashover...

In view of the problems like incomplete penetration caused by the traditional MAG welding, laser-MAG hybrid welding of 12 mm thick corrosion resistance steel was studied by using the SMA490BW as the research object, which was the material of high speed train bogie. By comparing weld formation, residual...

Heavy-weight Measurement System in Heavy-load Truck-scale is proposed using fuzzy logic Combined the technology of Internet of things (IOT). This system makes an inference in Fuzzy Logic Controller for each load-cell state and manage information based on IOT system. We investigated validity of system...

In this paper, we compared, through experiments, the hysteresis characteristics in the load of the push rod, that is generated in the booster cylinder according to the time of the instantaneous actions made by the driver in stepping on and releasing the clutch pedal. In addition, we performed separated...

Based on the related generalization of Vague set algorithm of intuitionistic fuzzy theory, this paper applies it to UWB marine ship precision positioning technology, puts forward new research methods and calculation formulas, and constructs the similarity measure between them and obtains new formula...

The opportunity of application of Stirling engine with non-conventional and renewable sources of energy was considered in the paper. The advantage of such use was demonstrated. The expression for the thermal efficiency of the Stirling engine was obtained. It was shown that the work per cycle is proportional...

Badminton has been deeply loved by the people all the time. With the change in human body quality, basic equipment, and the level of science and technology, the badminton players need higher requirements in physical fitness; in addition, the movement itself needs a good fitness. Thus this paper will...

In order to solve the phenomena that harsh coal mine environment will lead to coal mine monitoring image degradation, a K-fold Cross-Validation image restoration algorithm BP neural network was proposed. Firstly, the images will be blurred by Gaussian white noise. Then, the blurred image and original...

The first step to study environmental problems caused by power generation is focusing on electrical energy and carbon emission coordination scheduling and classifying the generating units by near zero emission, ordinary fossil fuels and carbon capture. And then make an in-depth analysis on electrical...

Taking a certain type of precision ultra-precision CNC grinding machine as an experimental platform, the research uses Renishaw XL-80 laser interferometer in testing the machine tools positional accuracy and repeat positioning accuracy in the before and after position of error compensation. Through the...

0.6mol% V2O5-doping 0.996(0.95Na0.5K0.5NbO3-0.05LiSbO3)-0.004FeBiO3 ((KNN-LS- BF)-V2O5) piezoelectric ceramics were synthesized by the solid-state reaction process, and the influence of sintering time on structure and properties of (KNN-LS-BF)-V2O5 ceramics were studied. It was found that all the samples...

This paper highlights the role of stress measurements and wedge analysis for optimisation of orientation for underground desilting chambers and power house complex of hydropower development in the Himalayas. In-situ stress measurement tests were conducted using hydraulic fracturing technique in vertical...

Galanga essential oil liposomes were prepared by ethanol injection method, and uesd pectin to coat galanga essential oil liposomes. The average diameter, PDI, zeta potential, entrapment efficiency and storage stability of pectin-coated galanga essential oil liposomes were investigated. Results showed...

We present a fast fault diagnosis framework based on Spark Streaming for real-time online monitoring and fault diagnosis of electric energy metering device. In this framework, data collected by the power consumption information collection system is used as experimental in put data, which is simulated...

Aiming to solve the problem: the conventional loads distribution of hydropower stations calculated by single model corresponding to multiple optimal algorithms, the way that various models corresponding to multiple optimal algorithms are proposed in the paper. According to characteristics and tasks of...

The method of wavelet transformation and BP neural network for classification of epileptic intermission and epileptic attack signals was studied. The discrete binary wavelet transformation of EEG signal was carried out with db4 wavelet function. The third to fifth level signals by reconstruction and...

With the quick development of mobile commerce,lacking of trust and security is becoming a big obstacle to the development of the mobile commerce.In this paper,the reliability and security problem of mobile commerce, especially trust evaluation model in its operation are studied, and a trust evaluation...

Epoxysuccinic acid (ESA) was synthesized using maleic anhydride (MA) as the raw material, NaOH as the initiator and 30% H2O2 as the oxidizing agent, and three kinds of agents as catalysts, and the effects of different catalysts on the yield of ESA were investigated. The results showed that the optimal...

A novel solvent-free photosensitive polyester based on the hyperbranched aliphatic polyesters has been studied. The hyperbranched aliphatic polyesters (Polymer A), which was prepared from 2,2-dihydroxymethyl butyric acid(DMBA) containing one carboxylic group and two hydroxylic groups, Trimethylolpropane(TMP)...

As an original and emerging industry, cultural industry has increasingly become a new economic growth point and an important pillar of the national economy. In this paper, the practical problem of comprehensive performance evaluation of cultural industry is investigated. Concretely, a new evaluation...

This paper presents the maximum single and annual emissions of pollutants into the atmosphere from heating enterprises in Nalchik. The results of calculations of the dispersion of pollutants at the control points (residential living areas nearest to heating houses) are given. It is shown that the surface...

Blueberry is known as the highest anthocyanin fruit in the world. Blueberry matures between June and August, which is the hottest and wettest time, fruit quality tends to drop. In this experiment, the changes of Delphinidin-3-O-glucoside (Del-glc) and Malvidin-3-O-glucoside (Mal-glc) in different maturity...

Inversion of water components concentration of inland water body was hotspot and difficulty problem in water quality remote sensing. Based on the measured data of the concentrations of Chlorophyll-a in tropical islands waters area of China and the recent synchronous remote sensing image data, the inversion...

Through the development of the past years, the construction of the intelligent city in our country grows extremely fast, and the governments at all levels have deeply felt the charm of the intelligent city. It plays a very positive role in improving the governance capacity of all government departments,...

China has witnessed several large-scale fog and haze outbursts in recent years. These phenomena can jeopardize human physical and mental health by causing respiratory diseases or depression. They also aroused extensive social discussion among all levels in the country. This paper briefly reviews the...

The safety problem of silo has been the main problem in the world. When the wall is discharged, The dynamic pressure of the material on the silo wall is the main reason which leads to the destruction of the main body and the hidden trouble. Based on the datum from model test of silo, this paper mainly...

The Time-triggered Architecture (TTA) is seen as a widely-recognized design framework for the domain of large distributed embedded real-time systems. This paper derives an elaborated startup scheme and discusses the temporal boundary of it for real-time systems based on TTA, which normally require predictable...

The purpose of this research is to produce development products of virtual laboratory media with a STEM approach and equipped with appropriate feedback to be applied in learning and the opportunity to improve critical thinking skills on acid-base concepts. This research consisted of (1) analysis (needs...

Growing concerns about climate change, global warming, water scarcity and pollution have intensified the search for sustainable water treatment technologies. Among the most pressing challenges is heavy metal contamination, which poses severe risks to ecosystems and human health. This literature review...

This study explores a risk-based approach for the assessment and maintenance prioritization of bridge components, utilizing the latest inspection results from 2023. A comprehensive risk analysis framework is established to evaluate the risk levels of various bridge components, enabling the effective...

In order to establish an efficient and reliable fault detection mechanism for the distributed storage system, a mixed status piggyback adaptive fault detection algorithm was presented. In addition, DFDF, a fault detection framework for the distributed storage system was also put forward and it was able...

For various sectors ask to browse accurate positioning information's corresponding to the DWF image file of hot point on the map on the website platform, this paper proposes efficient and quick ways to archive brows-ing DWF image file online and position specific point precisely. After click the specific...

Chaotic motions of a Rayleigh-Duffing oscillator with periodically external and parametric excitations are investigated rigorously. Chaos arising from intersections of homoclinic orbits is analyzed with the Melnikov method. The critical curves separating the chaotic and non-chaotic regions are obtained....

The coal mining industry is fundamental for social and economic development of the Kemerovo region (Western Siberia, Russia). This is due to the fact that on the territory of the region the Kuznetsk coal basin is located with unique grades of coal and high coal-bearing strata on a relatively small area....

This study was carried out to evaluate the water quality of West Lake in Guangdong Ocean University with the method of single factor and comprehensive water quality identification index based on the data investigated from four sampling sites in May, September and December of 2013 and March of 2014. The...

From the aspects of production and characteristic of mobile intelligent terminal operating system, and its application on mobile phones, etc., this article mainly introduces the development of mobile intelligent terminal operating system. The paper also analyzes the security problems of mobile intelligent...

Leakage is a frequently occurred failure mode during the operation of atmospheric storage tanks with large probability of occurrence. According to different design and operation conditions, there are various different causes for the leakage of storage tank. The inspection of a storage tank of certain...

The curing processes of epoxy resin cured with curing agents containing aromatic ring were analyzed quantitatively with FT-IR. The internal standard and baseline correction were used to decrease the analysis error. Due to the existence of aromatic ring in curing agent, the effects of curing agent dosage...

In order to promote rural informatization, it is necessary to measure the information service management work scientifically. Effective performance evaluation and scientific incentive system for evaluating the work of grassroots service stations, is not only the basis of the grassroots service station...

At present, the domestic treatments of BFS are water-quenching processes. The existed studies on the centrifugal granulation were focused on slag particle shape, size and mass distribution. Slag temperature during the flight has not been reported. The relations between slag temperature and air temperature,...

This article based on the basic theory of the formation mechanism of housing price, it introduced the fluctuations of commercial housing price in our country these years. Then by using the supply and demand theory, it analyzed the process of the commercial housing price formation mechanism and the main...

Ground vehicles are operated in severe environments at the risk of corrosion. The corrosion would degrade military readiness and cause a large amount of cost. This paper describes some engineering practices of corrosion prevention for ground vehicles based on results of the environmental test and field...

The characterization of two categories by plant residue and animal waste derived biochars obtained at 600 øC heating treatment temperatures (HTTs) were described. Plant biomass and animal waste biochars exhibit large physicochemical heterogeneity due to variations in biomass chemistry and combustion...

Utilize the senior sequences from 2004 to 2016 of the 4 groundwater monitoring holes around Chaiwopu Lake in Xinjiang to observe the water level, precipitation and temperature, then use continuous wavelet and cross wavelet transform method to analyze the periodicity of water level, precipitation and...

In order to research the basic vibration characteristics of automobile, thus enhance the NVH characteristics for the improvement the comfort of occupants. The finite element model of car ceiling has been established and the modal analysis technology has been used , the effect of structural parameters...

With the development of information technology, the automation level of electric engineering is continuously increasing. The extensive application of the PLC technique has enhanced the control effect. During the application process of the PLC technique, CPU plays a fundamental role, efficiently improving...

Relationship between loopholes of stress concentrated coefficients and stress consolidate coefficients were illustrated. The relationship between impact value and loopholes sensitivity were found, the relationship between crack forming energy and crack forming life was studied.

The PcBN materials were sintered from the cBN-Al systems under high-pressure and high-temperature, and the mechanical properties, composition and microstructure of prepared samples were analyzed. The results show that the microstructure is fairly even and the binding phase is uniformly distributed in...

Microalgae harvesting was a bottleneck for controlling eutrophic waterbody and microalgal biofuel production, the combination of Microbial floculant (MBF) and alum was used to flocculate Microcystis aeruginosa in different conditions. The results showed that the combination of MBF and alum had a better...

In order to analyze the performance of the differential device, the cosine signals’ spectrum is caculated to compare. Differentiate has two methods: mathematical differentiate and digital differentiator, so two methods can be used to estimate the differential effect of digital differentiator. Digital...

In this paper, a portable formaldehyde detector based on electrochemical sensor and single chip microcomputer is designed. During the detection, the gas containing formaldehyde diffuses into the sensor, reacts with the inner electrolyte and produces a weak current signal, which is converted into a voltage...

Aims to the defect of using pilot balloon theodolite to track and detect the rising balloon and get meteorological data, the project is put forward that using intermediate, long-range, long-endurance unmanned aerial vehicle (UAV) as a platform, mounting dropsonde to implement meteorological detection...

Haur Kuning Livestock Farmer Group is located in Ciawi Gajah Village, Cirebon District. Members of the Haur Kuning livestock farming group have intensive maintenance methode in raising their livestock with varying business scales. The research was conducted to know the socio-economic aspects of intensive...

The issue of quality, reliability and safety of finished bearings is considered. The basis of the quality management system is the process approach; the monitoring program is considered as an example

A continuous change of physical and mechanical characteristics and operational properties of functional and structural materials demands a corresponding adjustment of the cutting tool material for machining. The adjustment involves the development of a new tool material and sometimes a new design tool....

N, S co-doped activated carbon (ACNS) was obtained by modification with thiourea and cerium oxide supported on activated carbon (Ce/AC, and Ce/ACNS) were prepared and worked as catalyst for catalytic ozonation of benzoic acid. The catalysts were characterized by elemental analysis, N2 adsorption-desorption,...

In order to study the factors of influencing indoor particle concentration under the variable air volume air conditioning system, utilizing the law of mass conversion establish unsteady model on indoor particulate matter concentrations. As the inhalable particle for researchful object(particle diameter...

In order to explore the more suitable conditions for using the edible vegetable oil in daily life, the peak position, peak shape, peak intensity and peak area detected by Fourier transform infrared spectroscopy (FTIR) of four different kinds of edible vegetable oils without heated and heated beyond the...

The development of big cities in Indonesia especially the city of Bogor is the density of motor vehicle users. Users of this motor vehicle have a strong impact on the progress of transportation infrastructure. The need for parking is a very valuable resource for the city, especially for the central trading...

This paper highlights the production process, performance feature and engineering application of film laminated metal composite decorative panel , on the basis of introducing film materials. The development prospect of the product is broad by virtue of its excellent product performance and advantage...

With the rapid development of the Internet and the rapid growth of Internet users, the Internet data is also a sharp expansion. The emergence of cloud computing is a good solution to the large data computing and storage problems, massive data storage and analysis has become a very popular research field....

This study analyzes modern approaches to the monitoring systems organization for heavy metals in the soil cover in urban areas. The current situation was considered in individual countries, as well as the organization features of the soil monitoring system in the Russian Federation and the city of Volgograd....

In the last decade, high consumption of fossil fuels has led to a serious energy crisis because of the increased energy demand for industrialization and modernization. It caused many environmental concerns because of the greenhouse gas emission along with energy security issues. These fossil fuels resources...

The carbon dioxide is a common impurity to the natural gas production which causing equipment failures due to corrosion and natural gas calorific content decreased. Gathering Station of PT Pertamina EP Asset XY has significant carbon dioxide concentration on its natural gas production. However, installing...

The ideal lighting system is a lighting system that creates a comfortable feeling when felt in the room. The lighting strength recommended by SNI standards (Indonesian National Standards) consists of 150 lux (low), 200 lux (somewhat low), 250 lux (medium), 300 lux (somewhat high) and 350 lux (high)....

The performance of next-generation wireless systems (5G/6G and beyond) at the physical layer is primarily driven by the choice of digital modulation techniques that are bandwidth and power-efficient, while maintaining high data rates. Achievable rates for Gaussian input and some finite constellations...

The world has officially entered the era of big data, to promote the digital transformation of human resource management is to improve the quality and level of development of state-owned enterprises is the core, but also to enhance the core competitiveness of the market is an important guarantee. At...

Application of castor oil as an alternative lubricant already knowledge since years ago due to its good lubricating characteristics. Most lubricant formulation are made of base oil and addtives. Molybdenum-Dithiocarbamates (MoDTC) and ZincDialkyl- dithiophosphates (ZDDP) are well-known additives for...

STT-MRAM is considered one of the most promising candidates for emerging memory, sense amplifier and next-generation memory. Temperature greatly affects MRAM performance: reading becomes difficult at high temperatures, and writing becomes hard at low temperatures. This article analyzes in detail the...

Forests are important carbon sinks in ecosystems. The process of converting forests to other land-use types will lead to a decrease in the carbon sink potential of ecosystems. It is of research significance to explore the mechanism of the impact of land use change on the spatial and temporal evolution...

The microstructure, hardness and corrosion resistance of the tungsten alloy hardened layer, which was hardened by different power of electrospark, were investigated. The results show that the matrix and the electrode of the tungsten alloy were melted into each other after hardened by electrospark. The...

As an important part of the battlefield defense system, the resource optimization strategy of radar systems is becoming a hot topic. In this paper, for the distributed resource allocation problem in MIMO radar target tracking, starting from the existing research results, we discuss the advantages of...

In the process of incremental sheet metal forming, the number of punches has a significant impact on the machining results. Compared with the single-punch forming processing technology, multi-punch processing technology is combined with the advantages of better forming efficiency and higher forming precision....

Model test studies based on the similarity theory was conducted to solve the problem of vibration effect of tunnel surrounding rock under push-type cyclic blasting excavation. The model was constructed with a ratio of 1:15. By simulating the tunnel excavation of push-type cyclic blasting, the influence...

In this paper, Hesi Wulai lignite, Shaltala lignite and Shanxi Gepu bituminous coal were selected to participate in experimental study in a 350MW supercritical boiler, the design coal of which is lignite. This study investigates the pyrolysis behavior of ten kinds of blended coal using thermogravimetric...

In this contribution, a sensitive fluorescent aptasensing strategy for the detection of adenosine is proposed based on structure switching of gold nanoparticle modified molecular beacon. Hairpin structured molecular beacon exhibits low background fluorescence since the fluorophore and nanoparticle quencher...

In this paper, VB language is used to realize the design of fractal tie dyeing pattern, and apply Iterative and recursive algorithm to the design of fractal pattern. Koch curve algorithm is used to realize the design of fractal tree recursion and iteration function of affine transformation to realize...

Research the depth of 3000m Work-Class ROV as mock object and develop a ROV for land test. This device is set three lifting point in the top. The rope connecting the front two lifting point is fixed, the rope connecting the rear lifting point change the length by motor. All of those lifting point are...

Spinning force is the spinning metal pipe tensile strength of a linear relationship. The higher is tensile strength, the bigger is the spinning force. For different kinds of material and heat treatment state, the deformation resistance is different, the required pressure is also different. Material usually...

There are rich cultural heritages both underwater and in land in China, which is the object concerned by archaeologists and historic researchers, especially the ancient wooden sunken boats containing the past information of old human civlilization we can restore. Detections for buried magnetic massive...

Based on theoretical research as well as in situ tests, this paper reveals behavior features of mining pressure appearance and the performance of supports for fully mechanized long wall face in Ulan Moron Mine. Depending on systematic analysis of features of working face mine pressure from field tests...

The research established a mechanical model which could reflect the basic features of rock stratum and made a profound investigation on the form and conditions of the fractures on main roofs. Based on mechanical analysis, the fracture location is difference when lane offshoot care is difference, cutting...

The aim of this work is to explore the application of Trapezpoidal Intuitionistic Fuzzy Numbers (TrIFNs) in afuzzy environment to find the least cost path problem of any network. A New Intuitionistic Trapezoidal Fuzzy A* Algorithm (NITFAA) is proposed to solve Intuitionistic Fuzzy Shortest Path Problem...

Conceptual model and evaluation index of low-carbon urban economy are researched in this paper through the case study method. First of all, challenges of low-carbon city economic development in Zunyi are analyzed. After that, conceptual model and design idea of index of low-carbon urban economy are given....

Elevated environmental awareness and an increasing concern with the global warming have stimulated the automotive, construction and packing industries to look for materials that can replace conventional synthetic fibers. Natural fiber appears as a good alternative since they are available in fibrous...

Due to natural conditions, work environment, maintenance management and other factors, in the course of the use, the aqueduct hydraulic structures may appear material aging, structural damage, performance and other situations, and bring hidden dangers to the safe operation. Aimed at the insufficient...

Calculation switching angles online for Selected Harmonic Eliminated technology was achieved in this paper, using linear interpolation method and Newton-Laphson iteration method respectively. Firstly, change SHE nonlinear equations into algebraic polynomial equations, which is for seven-level inverter,...

In order to achieve adaptive control and single parameter identification of one order system, an ordinary adaptive control method is used in this paper. Integral control, Terminal attractor and Sigmoid function is combined to achieve parameter identification. Based on Laypunov method, an adaptive control...

Animals are the most widely used experimental individuals in scientific research. According to the requirements of the national standards of the People's Republic of China, the barrier environment is an indispensable environment for breeding animals and using them for scientific research. It is increasingly...

This paper discusses in detail the characteristics, design basis, functional framework, process management and implementation mode of the data platform system for the systemwide supervision and management of the intelligent mine in the opencast coal mine, and expounds the application prospect of the...