Advances in Engineering Research

By combining with the quantum mechanics theory on the relationship between the electronic equipment aging reaction rate and temperature-humidity, a hydrothermal aging life model based on modified Arrhenius method is established with the propellant mechanical properties as the research object. According...

A new ultrasonic testing method used for the detection of solid rocket motor (SRM) composite shell is proposed, which does not require a coupling agent. The theoretical model of this method is established, and the effect of composite shell thickness, defect size and position on the detection result is...

On the basis of the dynamic equations of rotor system with pedestal looseness, rub impact and crack, the random response method of rotor system with pedestal looseness is researched. The method is based on stochastic perturbation theory and the Kronecker algebra, matrix calculus and random perturbation...

A deep peak load regulation compensation mechanism of thermal power units is presented to encourage the units to actively participate in peak load regulation and improve their peaking capability. The compensation mechanism consists of two sections. In the first section, the method of dividing basic peak...

The initialized geometric parameters for three main working device components of the hydraulic excavator SY205C – 8s including movable arm, bucket arm and bucket are designed based on relevant design manual. And the geometric models are designed by the application of UG. The design principles followed...

The tanning industry produced a large amount of tannery wastewater and solid waste, resulting in environmental pollution and waste of resources, which has become an urgent need to be solved. In this study, a gelatin-based graphene oxide composite adsorption membrane was prepared and treated with low...

For the past three years, since President Jokowi took up the office, Indonesia has been emphasizing its ambitious goal to transform the nation into a global maritime fulcrum and have been developing some projects and initiatives to achieve it. To transform Indonesia into the world maritime fulcrum was...

Energy service industry is an emerging industry which involved multi-subject, multi-product, multi-technology and multi-value, and is a complicated network system. This paper studies the energy services industry from the perspective of value network, analyzes the value network characteristics of each...

This paper analyzes the establishment, implementation and existing problems of enterprise performance appraisal system. On the basis of summarizing , this paper puts forward the direction and suggestions of consolidation and improvement, and puts forward the measures to do the work.

In this paper, an AnSYS finite element simulation analysis was conducted to study the influences of different types of steel fibers on the ultra-high performance concrete beams in the initial cracking state and yield state of bending performance. The results indicate that the incorporation of steel fiber...

In order to reduce communication invest, the electricity detection system based on power line communication (PLC) was studied in this paper. At first, the research status of PLC technology and application prospects was expounded. Then, the overall design of the system and modules was introduced. Next,...

Safety evaluation of the dam subjected to the design earthquake is a crucial factor for the project. The dynamic behavior, the dynamic reaction of the gravity arch dam including of dam-foundation- storage capacity of water system, have been studied and analyzed for the 269m high Baihetan arch dam under...

The AlCoCrCuFeNi high-entropy alloy coating was fabricated on pure magnesium by means of laser cladding using a direct blown powder method. The formed coating is composed of two different layers, i.e., a lower composite layer consisting of some partially melted HEA particles in a mixture of Mg and a...

In this paper, the 304 stainless steel components were fabricated on a low carbon steel with thickness about 20 mm by using MIG arc additive manufacturing technology. The surface quality and the distribution characteristic of residual stress of the components prepared with three different arc additive...

To monitor and evaluate the functional condition of roads, an easy-to-understand and powerful parameter is important for countries whose road regulators have different capabilities, such as Indonesia. To date, Surface Distress Index (SDI) is still the most popular parameter for assessing the road functional...

Through the analysis of the soft foundation treatment cases in Binzhou, Weifang, Rizhao, Tianjin and other coastal areas, and by referring to the case data in other areas, this paper compares and analyzes the technical applicability and economic rationality of the soft foundation reinforcement technology...

Coffee is an important export commodity for Indonesia. Coffee drying is post-harvest processing that greatly determines the coffee quality and microbiological safety. Conventional/sun drying is time-consuming, depending on the weather, and can potentially contaminate coffee beans by dust and moisture...

Diabetic Retinopathy is damage to the retina caused by complications of diabetes mellitus. Exudates are the primary sign of Diabetic Retinopathy identified on the opthalmoscope as white or yellowish areas with varying sizes, shapes and locations in the retina. Early detection can potentially reduce the...

The hinged frame-rocking wall system is proposed to optimize the internal force of the rocking wall, and the column foot is hinged with the foundation to reduce the bending moment demand of the rocking wall at the corresponding part. Six 10-story 4-span single-span frame models were established by Sap2000...

The comfort factor in the KRL room is needed, one of which is the comfort of the air temperature conditions in the train resulting from the air conditioning (AC) process. At peak hours, passengers will pile up on each other in the train room which causes the cold air to not be felt, and passengers will...

There is a low grade lithium in a sedimentary clay-type lithium resource in central Yunnan, which has certain utilization value. In this paper, mineral liberation analyser was used to conduct process mineralogy research on the mineral, and the results show that the main minerals are kaolinite, illite,...

In order to study the effects of geometrical parameters on wrinkling of 0Cr21Ni6Mn9N stainless steel tube in numerical control (NC) bending process, a three dimensional elastic plastic finite element model of the 0Cr21Ni6Mn9N stainless steel tube in NC bending was established based on ABAQUS/Explicit...

With the explosive growth of big data, people want more efficient access to their most relevant information. The personalized recommendation system can pick individual interested items and send it to the specific user. However, the traditional recommendation result are generally showed by images or a...

The traditional prediction methods are generally based on the assumption of linear model. At present, BP neural network and RBF neural network are usually adopted by people in prediction. Since BP neural network has the problem of local optimum and slow training speed, etc., in this paper the method...

Since the thermal expansion coefficient of the insulating material and the metallic material in the cable joint different is large, when the temperature changes, there is great stress in the insulating material or the tightening of the insulating material and the metal material, causing damage to the...

Wi-Fi probe is a kind of wireless terminal detection technique. It captures transmitted packets in the air to gain numerous information, which is potential in commercial value and social value. A solution of Wi-Fi probe with low cost based on ESP8266 chip and a system of probe data gathering is proposed...

In recent years, with the rapid development of 3D printing industry, some 3D printing bases (including parks, centers, etc.) have emerged quickly. In order to assist various subjects to choose reasonable 3D printing base type for construction and development, this paper designed a development selection...

The paper aims to make an exploratory discussion on the application of information technology to foreign language teaching. Combining the properties of language learning and learners' needs, we analyze the potential uses of information technology in language teaching and come to the conclusion that information...

Some oil refineries arrange low fusion point crude oil storage tanks and high fusion point ones at two different locations. Different fusion point crude oil needs different pipeline to transfer. So, to transport diverse fusion point oil needs two pipelines. Because of the constraints resulted from transferring...

The electric arc furnace is an important smelting equipment in modern iron and steel enterprises. However, the load of electric arc furnace is a typical impactive and nonlinear load, and it has a huge effect on power system, electrical equipment and enterprise production. Based on the theory of peak...

This paper makes use of Markov chain to establish predictive model and analyze the historical data of lottery based on technologies of mobile cloud computing and HTML5 in order to predict the number sets with high-winning probability during next issue. It is indicated in the actual application that the...

This paper established the Measurement Model of Sustainable Development to determine the level of sustainable development of one country by processing the data with some fuzzy sets methodologies. Then We took Madagascar for an example, using the Principal Component Analysis and the data inside World...

The vortex tube which is used to separate the dust of air flowing in the engine can reduce or eliminate the damage of the dust to the engine and guarantee its security. Total pressure loss performace is presented through Navier-Stokes equation and standard turbulence model. This paper shows the influence...

A novel photoelectrochemical biosensor incorporating nanosized ZnO semiconductor crystals with enzyme to enhance photochemical reaction has been investigated. In this work, the ZnO nanoparticles and acetylcholinesterase (AChE) were immobilized on Pt electrode by chitosan (CHI) via layer-by-layer technique...

In this paper, a new approach for synthesis of the accommodation system to faults of navigation sensors of underwater vehicles (UV) is developed and investigated. Proposed system is synthesized by using kinematic model of UV and data fusion of sensors signals. The results of performed simulation have...

Analyzing the relationship between living habits and innovation ability, this paper utilizes a big data approach to analyze information from student system. Firstly the paper established a comprehensive evaluation model to appraise college students’ innovation capability based on Analytic Hierarchy Process....

With the widely application of the ZigBee wireless sensor network, how to use the internet for real-time monitoring, control and management of remote monitoring area gradually become an important research topic in the field. ZigBee gateway in the wireless sensor network system plays an important role...

LiNi0.5Mn1.5O4 has been synthesized by carbonate co-precipitation method in which we got the precursor that was pretreated with H2O2 (an oxidant), in order to oxidize part of Mn2+ to Mn4+,results in a decrease of Mn3+ in the structure. Result in the average valence of Mn is approximately 4 in the LiNi0.5Mn1.5O4...

The usage rate of sucker rod centralizer more and more broad with the development of a sucker rod pump , adding sucker rod centralizer is very effective to reduce the impact of rod and tubing wear, increase the sucker rod and tubing service life, reduce the frequency of maintenance and the production...

Recently, as the problems such as lack of construction personnel and reduction of construction duration due to the increasing labor cost and aging labor personnel, the researches on the PC method have been reactivated. However, the purpose of most of these researches is to develop and structurally interpret...

Traction wire rope is used in the construction of the power. The wipe rope cleaning, inspection and maintenance integration system can detect the damages on the traction wire ropes and maintain the ropes. The integration system consists of a variety of equipments and the tension pay-off equipment is...

Along with the vigorous development of the Internet, the total energy consumption presents rapid growth trend, so energy saving and emission reduction of network industry is imminent. Many energy-saving strategies of the networks emphasize only a single aspect of the energy consumption while lack of...

This document is based on the gravel test subgrade paved at the K3012 of the Qinghai-Tibet Highway near the Wudaoliang section, a large finite element software Abaqus is used to simulate the temperature field of gravel subgrade, and the influence of the particle size temperature field is obtained. The...

The shortcomings of sparse representation of remote sensing images and the on-board post -transform-based image compression algorithm are analyzed. In this paper, an improved post-transform based compression algorithm is proposed. The algorithm is improved in terms of computational complexity, optimal...

In this paper, the working principle, basic composition and key technologies of mining nuclear belt scale are briefly introduced. The error of measurement is analyzed emphatically, moreover, propose measures to solve or reduce the error. Through the establishment of mining nuclear belt scale error expression...

Intelligent city uses the current advanced communication and network technology to make intelligent response to the core management system of urban operation, so as to meet the needs of residents' public services. For the public service needs of residents, the residents of the intelligent city, the demand...

This research aims to investigate the effect of entrepreneurship and innovation in organization performance and the competitiveness of ferry shipping company in Indonesia commercial trajectory. The method of this research was a survey. There were 122 ships captains taken through random sampling. The...

UNICEF issued a policy in the form of CFCI (Child-Friendly City Initiative) as an effort to fulfill children’s rights. Malang City has fulfilled the child-friendly indicators with a Madya rank, by meeting 60-70% of the Child-Friendly City Indicators. Malang City provides a playground for children in...

Science literacy is one of main skills students should have in the 21st century. One method to train science literacy is by writing scientific article. The purpose of the study was to improve science literacy of students through scientific writing in exploration of local wisdom in East Java on Conservation...

Polymers, such as plastics and coatings, are susceptible to photo degradation initiated by heat or Ultra Violet (UV) light during processing or long-term use. In preventing the photo degradation of polymers, the sustainable polymer composite (SPC) is doped with different percentage of Titanium Dioxide...

With the popularization of the Internet of Things (IoT), big data, “Industry 4.0”, Building Information Modeling (BIM), digital twin, and the concept of full - life cycle management in the entire power industry, new opportunities have emerged for the digital transformation of power source project construction...

The design of Internet of Things (IoT) chips revolves around achieving efficient, reliable, and low-power architectures tailored to the unique demands of IoT ecosystems. This review examines the critical components of IoT chip design, including sensing units, processing cores, memory subsystems, communication...

Bali’s architectural identity is closely linked to volcanic tuff stone (batu padas), valued for its lightweight, carvability, and cultural symbolism. However, extensive quarrying in Gianyar has generated large amounts of waste, causing severe environmental impacts such as riverbank erosion, irrigation...

Li-Fi, also known as light fidelity, is the new and innovative internet that uses the speed of light. It allows us to connect to the internet using LED lights from lamps, streetlights, or television. It has become, without question, one of the most widespread technologies. The various use of Li-Fi technologies...

The advent of the computer as a symbol of the information age has brought great changes to all aspects of modern society. Interior Design as a new industry, but also inevitably be affected. Interior Design With the development of the information age, showed the following trends: digital, exchange of...

Tobacco distribution Reducing energy consumption in tobacco logistics distribution process is one of the important measurements for energy saving and emission reduction of tobacco industry. Tobacco distribution vehicle routing optimization problem is essentially a typical NP problem. As a novel swarm...

ERP sand table simulation business offer students through the role-play in the virtual market environment, which experience manufacturing business process. In the ERP sand table simulation business process, students knowledge, individual differences, teaching time and other factors will affect the effect...

In this paper, we propose a double color images encryption scheme based on Deoxyribonucleic Acid (DNA) sequence, chaotic system and block permutation. Mean Square Error (MSE) of the double images, LSS and 2D-LASM chaotic systems are firstly employed to generate the key streams. Then, divide the plain-images...

The exploration of the apoptosis for HepG2 cells induced by low-frequency and low-power ultrasound combined with hydroxyapatite, provides data base for future clinical treatment. In this research, we selected the HepG2 cells model. The experiences were divided into four groups: control group, ultrasound...

Aggressiveness of KCl in high temperature was studied in this article. Electrochemical experiments in hot molten KCl and corrosion experiments in high temperature were conducted for analysis of possible reaction. Comprehensive analysis indicated that aggressiveness mechanisms of KCl in high temperature...

This paper presented a design using full-duplex wireless signal inversion adaptive cancellation. Signal inversion using a transmitter based on balanced / unbalanced design was simple (Balun). The new design, different from the previous work in support of broadband and high-power systems. In theory, this...

The concept of new Chinese architecture has new interpretation in ecological civilization era. It not only should be rooted in current society culture and traced in historical tradition, but also should be faced to new era of harmonious coexistence between human beings and nature. In the paper, the cultural...

Users can add a Wechat public account by scanning QR code, then input text and voice information on chatting interface, searching for pertinent sentences in Database table through connecting with the MySQL database and return pertinent text answer to user's chatting interface.

Ray intercept algorithm is the key factor to improve the speed of radio tomography. A second scan search algorithm is proposed to acquire the intersecting point coordinates between ray and gridlines. For this algorithm , successive scanning and sorting of intersection sequence would consume much computing...

Thin films composed of high pure VO₂ (A) doped W⁶+ ions were successfully prepared by an inorganic sol-gel method. The effects of W⁶+ ions doping on the structure, surface morphology and electrical property the films were investigated. The results show that the solution of W⁶+ ions distorted the lattice...

In this paper, a concept of self-healing of high-voltage power grids and their research status are first introduced. Based on that, a new high-voltage power grid self-healing scheme is proposed. The collections of protective trip information, i.e. action set of each fault point, are initially utilized...

In this paper, we study the effects on mechanical properties of cement mortar with different types of steel fibers. The results showed that: Among the three kinds of cement mortars mixed with different steel fibers, the apparent density of mortar mixed with type-C was the minimum, and turned out a steady...

The paper proposes an improved circuit based on peak value hold and compensation sub-circuit. Simulation proves the circuit is suitable to signal in range from 50hz to 1Mhz while keeping low harmonic distortion. The circuit is lower cost than usual circuit.

Dynamic collapse analysis is an important research subject for large span single layer reticulated shell structures. In this paper, the dynamic collapse behavior of the single layer reticulated shell with substructure which supports the reticulated shell is investigated under the earthquake actions....

The challenging nature of strata dynamics in and around goaf edge of a depillaring operation warrants continuous vigilance over the dynamics for a safe and efficient working. Depending upon the nature of the working and surrounding rock mass, a variety of geo-technical instruments are, generally, deployed...

Recently, rapid construction development in landscape regions with mountains and waters has greatly affected natural landscape characteristics in the regions. This article aims to provide targeted planning control and guidance for regional development using design concept of zoning and classification...

According to the different installation place of linear array camera component, the material property and mesh are set for the profiles which are fixed with camera by ANSYS Workbench. In the gravity of relevant parts, do the finite element simulation of deformation. According to the flexural deformation...

In order to make it easy for poultry farming staff to seek help and diagnosis for poultry diseases, especially emergent and disastrous situations, enhance the effectiveness, rapidness and simplicity of the service, and avoid cross infection caused by experts walking from a farming area to another farming...

Encouraged by resources differences or problems similarities, welfare disparity or larger area interests, interlocal collaboration links to numerous concepts brought by planning theorists. As collaboration means multi-party involvement on certain development subject, the term of power-sharing may well...

The aim of the article is to study the influence of the propagation velocity of longitudinal Vp and transverse Vs waves, as well as the density ? of soil, on the real seismic effects parameters: intensity, peak acceleration, frequency. To achieve this goal, the Geophysical Institute of the VSC RAS developed...

The model parameters of 8/6 poles switched reluctance motor (SRM) were determined through using the measured magnetization curve and the establish BP neural network model, selecting Sigmoid function as the hidden layer activation function and using gradient descent method to train the network. The simulated...

Porous oil retainer is a key factor to ensure good lubrication of the inertial navigation bearings. The PTFE/PI porous retainer made of the original recipe and process preparation, in the high-speed operation, will appear serious wear, high temperature rise, a large amount of oil loss in the micro pores...

The transmission path of planetary gearbox is complex and the fault signal can easily be submerged in the noise signal, so a novel method for fault diagnosis of planetary gearboxes was proposed in the paper, which combined the simulation modeling with the sensor signal processing. Through the dynamic...

Seed longevity could be described as a measure of seed viability after being stored for a certain period under particular conditions. Viability may vary due to genetic factors. The variations can be evaluated using physical and physiological quality traits such as seed weight, viability, and vigour....

Ageratum conyzoides L., belonging to the family Asteraceae, is an annual herbaceous plant and is an invasive weed. It contains bioactive compounds that are reported to possess therapeutic properties. The species has been studied widely owing to its biological properties and its potential application...

This article proposed multi-project thinking for planning of production of oil products, allowing one to take into account both complication of such projects and influence of uncertainty during their realization. The scenario planning and a model of сhoice under uncertainty are used. A procedure of payoff...

The article presents brief description and results of laboratory and in-situ tests of frame support with backfilling of behind-anchoring space with grout. Characteristics of mining and geological conditions on the site of inclined conveyor shaft of Sychevskiy-I mine-section, A.D. Ruban Mine (JSC SUEK-Kuzbass)...

Sorogan-Bandongan is an integrated lecture model coming from the traditional learning that are implemented at Islamic boarding school in Indonesia. It starts with Sorogan and ends with Bandogan. The implementation of integrated lecture model of Sorogan-Bandongan with stages of students reading and doing...

In order to solve the modeling problem of biochemical oxygen demand (BOD) in wastewater treatment process. This paper proposes an online BOD predictive method based on Laplacian Eigenmaps - Relevance Vector Machine ( LE-RVM) . First, the easy to obtain the parameters of the wastewater treatment process...

Identifying non-uniform cracks in plates is a challenging problem worthy of exploration. 2D modal curvature is often utilized to detect damage in plates, but its capability to precisely identify non-uniform cracks has not been resolved well, largely due to two noticeable deficiencies, lack of sensitivity...

In order to improve the processing efficiency of after-sales quality problem for aerospace electrical connector, the approach of after-sales quality problem management is studied. The requirements of after-sales quality problem management under the information environment are analyzed. The process model...

In view of the fact that hybrid uncertainty presentation and propagation with dissonance or imprecision information in risk assessment, a variable steps size discrete random set method is proposed. Various types of incomplete and inaccurate information were transformed to random set formation by the...

According to multivariate chaotic time series prediction problem, this paper establishes a multivariate chaotic time series forecasting model with nature structure import data based on NARX neural network. The simulation research of Lorenz chaotic time series proves that the forecasting precision of...

Taking the railway track construction practice of ning,an intercity railway as an example. Emphatically discusses the CRTS type without a frantic jumble rail construction technical preparation, base plate, rail board shop coarse and fine adjustment, cement emulsified asphalt mortar filling layer perfusion...

To forecast the air quality accurately, the model of air quality using multi-source information fusion technology based on neural network is proposed. The back propagation (BP) neural network models with time-series and no time-series training samples, the nonlinear auto-regressive (NARX) neural network...

Though Associate in Nursing Intercloud is Associate in Nursing interconnected universal "billow of mists" that allows each cloud to spigot into assets of elective mists, communications among Intercloud partners ar convoluted because of Intercloud assets ar disseminated and controlled by totally unique...

Maros is one of the districts in the South Sulawesi Province which is the center of fisheries business development. Maros Regency as a coastal and marine area has the potential to develop land and sea fisheries that are quite large with the largest production of fishery products in ponds as a local resource...

The progress of a school really depends on the ability of the principal to lead the school. The purpose of this study was to describe the role of the principal as an educator in an effort to advance the school at the Surya Ibu Thehok Vocational High School (VHS) Jambi. Using qualitative methods, data...

Foodservice is a food management that is handled by individuals and companies that provide food somewhere to meet the various needs of its providers based on orders. The progress of information technology is growing rapidly. One of them is a smartphone or better known as a smartphone, which uses the...

A variety of toxic and harmful matters contribute to the severe impacts of water sources. Toxic pollutant such as heavy metals tend to deteriorate the environment vigorously due to its mobility. In this study, corncob based activated carbon (CCAC) was prepared for Cu (II) adsorption from aqueous solution....

Cocoa pod husk (CPH) as a potential plantation waste was used for the biogas production. Pretreatment using NaOH (N), NaOH with addition of H2O2 simultaneously (NHs) and consecutively (NHc) were carried out to remove lignin content in CPH and enhance methane yield. 2% NaOH was used for N pretreatment...

The growth of communication users, especially data packets, is increasing while telecommunication network facilities is not yet maximized to accommodate more and more users, especially suburban and rural areas whose population spread is uneven. So that there is a solution with the implementation of LTE900...

The research location is in the Beruang Kanan area, Tumbang Miri District, Gunung Mas Regency, Central Kalimantan Province. Epithermal sulphidation deposits are generally formed at a depth of 300 - 800 m (rarely > 1000 m). These deposits are formed on host rocks such as domes, diatremes (Andesite-Ryodasite),...

Effective vendor selection and strong relationship management are crucial for maintaining competitiveness and mitigating supply chain risks. However, unstructured selection processes can lead to inefficiencies, such as wasted time, resources, and financial losses. A marble industry in Indonesia faces...

Urbanization constitutes one of the most profound socio-economic transformations in modern human society, driving significant alterations in landscape patterns that have intensive implications for regional ecological systems, particularly river networks and their associated ecological functions. Despite...