Advances in Engineering Research

Scaling of very-large-scale integration (VLSI) circuits develops in the direction of increasing the surface of a crystal, packing density of elements on crystals, and miniaturization of components. These processes are limited by the necessity to provide high microelectronic reliability and sufficient...

Drilling mud circulation is performed by means of positive piston-type mud pumps which cause nonuniform flow in the drill column. Fluctuations of circulation rate and mud pressure result in increasing the dynamics of the drilling tool, early wear and operating trouble of the drill bit, reservoir depressurization,...

The slideway restrained conveyor chain is a new type of chain drive configuration. Reasonable selection of various parameters is conducive to improving the performance of the chain. In this paper, a special case of the conveyor chain as the research object, calculated its stability and found out the...

With the fast development of social economy, the contradictions between social development and land use are becoming increasingly serious. In order to ease the contradiction between human and land, and promote the balanced development between social economy and resource environment, there should be a...

In the era of intelligent robots and VR technology, High-precision position technology of indoor space is increasingly important, a variety of ways of high-precision position technology to solve different practical scene problems. Based on the laser TDOF principle, this paper presents a new positioning...

Spatial statistical analysis and wavelet analysis are used to study the air pollution index (API) of Nanning city according to the daily data from Jan 1, 2009 to Dec 31, 2012 and monthly air quality data from 2009 to 2013. The results show that the Tempo-spatial distribution characteristics of API in...

In order to improve the engine power and reduce fuel consumption, the supercharger in the engine has been more and more widely used. Intercooler is widely used to obtain a higher in-cylinder charge density. With the introduction of the national sixth stage emission standards, higher requirements for...

Many enterprises which form the foundation of the society such as nuclear plant, manufacturing fields have confronted the difficulty of high cost in their capital management. In general, both the holding cost and shortage cost of spare parts owned by the enterprises is costly. Some literatures show that...

Throughout the 2012-2016 the exchange rate of rupiah against the dollar depreciated or weakened that can be quite influential, US dollar was common currency in airline business fluctuating or change in currency exchange rate cannot be negligible because its impact to cost, most of the total cost of operating...

Fuze detection is an important means for laboratory to accurately grasp the quality of fuze. After testing, a small amount of minitype fuze explosive elements will be left. Which need to be destroyed in time to eliminate potential safety hazard. Due to the shortcomings of traditional destruction equipment...

This study aims to determine the effect of different concentrations of Yellow Tris Egg Duck on the quality of sheep spermatozoa. The method used for cement shelter with an artificial vagina is then diluted with Tris Yellow Duck Egg at different concentrations from 10%, 20%, 30%, 40%, 50% and stored at...

Inviting the students to actively be involved in developing knowledge is the main issue in mathematics education. The ability to deliver a good opportunity-to-learn task becomes important for mathematics teachers. Developing a hypothetical learning trajectory (HLT) has become the way for activating students’...

In recent years, researchers have focused on developing alternative fuels derived from biological resources, including Palm Oil Mill Effluent (POME). These efforts aim to reduce environmental pollution and generate clean and renewable energy, contributing significantly to global sustainability goals....

A popular alternative to using fossil fuels to generate power is to use a photovoltaic (PV) system. However, the efficiency of PV system is very sensitive to the environmental conditions and frequent maintenance is needed to achieve the best performance. In practice, data of both the surrounding environment...

This paper presents the design and simulation of a multiband metamaterial absorber. This Meta material absorber covers the 6 to 16 GHz frequency band. The size of the unit cell and other geometrical dimensions such as the radius and width of the rings are optimized so that the absorptions occur at three...

Targeting the issues of wear, deformation, and tube burst encountered during the operation of the panel superheater in a 600MW supercritical circulating fluidized bed(SCCFB) boiler, this study employs ANSYS finite element analysis software to numerically simulate the temperature distribution and thermal...

In recent years, with the advancement of globalization and industrialization, sustainable development has become the consensus of the world and the central theme of human society and modern global development. However, vulnerability and instability in rural areas have increased significantly due to urbanization...

Due to urbanization and climate change dengue fever poses a growing global threat especially in tropical and subtropical regions. In Bangladesh, urban areas such as Khulna is exposed to a high risk due to quick urbanization, inadequate water management, and poor mosquito control measures. This study...

The application of FDE technique makes single carrier modulation a valuable alternative resisting multiple-path in broadband communication. The paper shows the principle of SC-FDE and propose a scheme applied in broadband HF channel in burst communication system. At last the paper shows the performance...

According to the module layout design properties problem of rectangular cuboid satellite, a new layout optimization strategy of satellite module with constraints is proposed. Firstly, taking the module layout design of rectangular cuboid satellite as background, the mathematical model of satellite module...

It is essential for college students to participate in extra-curricular training for improving their competitiveness.However, there is large number of online educational institutions and numerous or types of courses is updated in real time. What else, colored leaflets about promotion are filled in every...

A modified TLD tracking algorithm based on fusion of color model and ORB feature is proposed for the poor tracking performance of TLD algorithm for rotating target. The algorithm uses a feature fusion tracking algorithm instead of the optical flow method in the TLD tracking module, updating target tracking...

Microstructures of SMA490BW weathering steel welded joints are investigated. Tensile tests, impact tests and bending tests of joints were carried out to investigate the mechanical properties from the test temperature of 0øC to -40øC. And the fatigue properties of jonits at -40ø C and 0øC are discussed...

The daily business operation of financial industry makes the abundant data collected by information system piling and expanding, which results in the existed relations and regulations in date can’t be identified in time that makes many valuable information hiding inside but being ignored or omitted....

As the result of the widely usage of Electrical equipment in bus, Corresponding fault in inner equipment has become a common problem of its operation, increasing the difficult and time of fixing..This paper develops a new bus integrated information wireless transmission system based on IPC2378 chip,...

Building three-phased inverter mathematics model of voltage vector tracking current controller based on Space Vector Pulse Width Modulation (SVPWM) and a novel current scheme under two phase synchronous rotating frame is presented, which uses grid feed forward controller. At the same time, considering...

This paper presents a classification approach for advanced manufacturing mode (AMM). Firstly the concept and features of the advanced manufacturing mode are expounded in the paper. Then the advanced manufacturing modes are divided from three aspects: the manufacturing mode development concept, the manufacturing...

Leaching test on the oxidized zinc ore from Kashi, Xinjiang Autonomous Region is studied in the (NH4)2SO4-NH3-H2O system; Systematic studies are made to show the effects of various factors on the leaching rate of zinc. The optimum conditions for leaching is finally confirmed, i.e., the grinding fineness...

According to the problem that harmful by-products which are low molecular weight organic chlorides in the synthesis of PAE resin is inevitably, in order to reduce the content of organic chlorine, complex fatty acid ester was used as a modifier to compound new PAE (N-PAE) resin, as such, the active amount...

Physics is an experimental inquiry-based discipline, rational and effective preparation and management of experimental equipment, is a necessary prerequisite for completing the exploration of experiments, but in the real life, it is the effectiveness of experimental equipment management that is concerning,...

A double-district equilibrium model of a nuclear power plant pressurizer dynamic characteristic was established through the approach of theoretical modelling simplifying. Moreover, the proposed model was examined in spray water disturbances and heating disturbances experiments by on-site simulator operating...

This paper discusses the necessity and importance of technology of drip irrigation of integral control of water and fertilization. Firstly, research situation at home and abroad of agricultural information and technology on water and fertilize controlling, agricultural production management, environment...

Analyses by X ray diffraction analysis (XRD) indicate that the main mineral composition of the Lower Cambrian black shale in Guizhou is quartz, clay minerals, albite, dolomite and pyrite, the clay minerals are mainly composed of illite. The characteristics of organic carbon in the black shale are discussed....

The coal industry has always been an important supporting and safeguarding industry for Mongolia's economic development. Driven by the global economic integration, the economic benefit of coal enterprises has greatly improved, and Mongolia's domestic economy, the coal industry, coal enterprises are ushered...

With the deepening development of Internet plus and cloud computing, big data technology constantly breakthrough in the field of application, cyber security becomes an important research field which can't be ignored in the information environment nowadays. Besides, with the development of the business,...

The depletion of IPv4 addresses provides an opportunity to integrate IPv6 addresses into the network. But the IPv6 transition is an ongoing process rather than overnight. NDN is a new Internet architecture, based on Content-Centric Networking, data-oriented network or information-centric network, and...

Badeng watershed is one of the important watersheds in the Banyuwangi Regency. In the years 2018, Alas Malang Village, there was a flash flood. This flooding occurs because of the high rainfall intensity and causes erosion and landslides in the upstream area of Badeng Watershed, recorded in Badeng Watershed...

Incinerator produces power and heat from waste, reduces waste disposal, and reduces air pollution. The objective of the research of incinerator and ESP is to minimize air pollution in campus. UNTIRTA as a university having vision as a Smart and Green Campus, develops a municipal incinerator type fluidized...

In this information-based society, communication efficiency counts a lot, which is significant both at home and abroad. Equipment and technology of communication have also become more advanced and varied, thus people’s experience of communication becomes better as well. People’s need for communication...

The basalt fiber-reinforced autoclaved aerated concrete (BF/AAC) specimens were prepared and the corresponding fracture performance were investigated in this study. The relationship curve of load and displacement were obtained and then the crack initiation load and ultimate load were determined. Then...

Practical experience in underground construction has shown that the grouting uplift and tilt correction technique is more effective in addressing structural tilting issues that arise during construction. In order to enhance the study of the strengthening effects during the grouting uplift process, this...

Floating rock pile belongs to a special geological type, body stability of tunnel hole had a serious impact, based on the Wolong groove of a tunnel, drift rock pile in high altitude cold and arid regions of engineering characteristics were analyzed, and put forward using advanced and long pipe roof construction...

Prefabricated bamboo construction offers a sustainable alternative to conventional building materials due to its low embodied carbon and rapid renewability. This study evaluates the environmental performance of prefabricated bamboo construction in Bali through a cradle-to-gate Life Cycle Assessment (LCA),...

Image Fusion Technology is widely applied in various fields with the continuous development of image sensor technology. This study puts forward an image fusion algorithm based on Pulse Coupled Neural Network (PCNN) and Non Subsampled Contourlet Transform (NSCT). The algorithm does not make simultaneous...

1-(4-Bromo-2-fluorophenyl)-1,3-dihydro-2H-imidazo[4,5-c]pyridin-2-one (1) is an important intermediate for the synthesis of many biologically active compounds. It was synthesized from pyridin-4-ol (7) and 4-bromo-2-fluoroaniline through five steps including nitration, chlorination, N-alkylation, reduction...

The surface modification of the tourmaline powder with acryloyl chloride was studied to prepare the polymerizable organic tourmaline. The experimental results showed that the surface of modified tourmaline had a better hydrophobicity compared with unmodified tourmaline when the mass ratio of acryloyl...

Employment and recruitment system based on UML provides a virtual and intelligent talent market for employers and job hunters, which can shorten their distance quickly. According to the different permissions, the users may take different operations to meet their respective demands. This paper develops...

How to select scientific and reasonable mechanical parameters of rock mass is particularly important to evaluation of slope stability. Based on the collection of engineering geological data about a mine, and through detailed survey and analysis of the engineering geological conditions in the field, the...

Aiming at the transmission of polarization encoded single photons in turbulent atmosphere, the random turbulence is modeled as atmospheric bubbles with various refractive indexes so as to conceive the propagation process of single photon using geometric optics. The fluctuation of photon transmission...

Nanoscale hydroxyapatite (HA) is an optimal candidate biomaterial for bone tissue engineering because of its excellent bioactive and osteoconductive properties. Here we have been successfully synthesized the faceted hexagonal hydroxyapatite nanotubes by one-step hydrothermal method. The obtained product...

This paper uses literature metrology method to statistical analyze related literatures. 14 influencing factors of foreign assets common benefit mechanism of tobacco farmer cooperatives are determined and selected from predecessors' research achievements. Relational structure of 14 influencing factors...

This paper proposes a design of VVOIP (Video and Voice over IP) on smart devices, with ARM Cortex A8 CPU structure in hardware, Android OS and JAVA language in software and C in Native layer. In the VVOIP, SIP is adopted as session protocol, and RTP packages carry H264 video streamer and GSM audio streamer.

The vacuum eutectic solder joint is widely used in the advantages of large thermal conductivity, small thermal resistance and so on. But the void ratio of vacuum eutectic solder has a great influence on the thermal conductivity, and the smaller the void ratio is, the greater the thermal conductivity...

This article is based on the subsoiler as the research object. 3D model is established using large finite element analysis software analyze and optimize the structure afterwards. The structure and thickness of the subsoiler have been optimized and the feature parameters have been changed from different...

As a critical component in electromagnetic exploration device, there are many issues in frequency domain electromagnetic transmitter to be addressed in the aspect of cover range of frequency points, operation efficiency under wild condition and high precision synchronization transmission as well as other...

The purpose is to analyze the vibrational wave motion of finite coupled plates considering boundary conditions. Since reverberation ray matrix is a semi-analytical method, Local dual coordinate of each discrete plate was introduced to reverberation ray matrix method. The vibrational formulas of coupled...

In order to facilitate monitor and manage various distributed generations in micro-grid, eliminate and discover malfunction of micro-grid, a micro-grid remote servo system based on The World Wide Web was designed. Discussing micro-grid’s remote monitoring system functional structure and database system....

The numerical analysis of the inner step length on the stress distribution in weld-bonded single aluminum lap joint was investigated using elasto-plastic finite element method (FEM). The results from the numerical simulation show that the peak stress along the bondline peak stress at the end of lap zone...

Current underground mining scenario is inclining towards mechanized drilling and blasting since it proves advantageous in many ways like controlled excavation profile, limited ground vibrations and better ground control, higher rates of advance, enhanced mine development rates besides maintaining a balance...

Deflection nose is a new concept of fast response control mode, partial nose of projectile can deflect certain angle relative to the axis of projectile body and pressure difference emerges in the windward and leeward side of warhead then generates aerodynamic control force, and this control way has high...

The purpose of this research is to identify the characteristics of industrial labor housing in Semarang. It is also to formulate a strategy to provide the feasible and affordable housing for industrial labor. The analysis technique used is descriptive analysis of qualitative and quantitative, scoring...

Small changes in the production plan will cause frequent changes in machine tools, which brings the NC program quickly transplant needs, this paper integrates simulation, post processing and cutting parameters optimization technology, based on a typical example, successfully proposed and validated a...

Machining of workpieces under low rigidity of equipment is often accompanied by excitation of self-oscillations impeding the technological process. Among the causes of selfoscillations, there is their regeneration on the cutting surface. Self-oscillation regeneration can be controlled by target impacts...

In view of the control method of present self-balancing system stability is so complex, and the controller requires high operation speed of the control system, so this paper presents a control method by using the centre of gravity equations of motion to analyze the system stability and maintain the system...

Base on the numerical simulation, the dispersion characteristics of Rayleigh waves for 3D topographies are studied. The results show that terrains have a strong effect to the propagation of the Rayleigh waves due to the wave due to the wave conversion, reflection and diffraction. And this results strong...

Barometer is an equipment that uses the pressure-sensitive components to directly convert the pressure to be measured into current or voltage signal, which is then processed and controlled by the single-chip machine for real-time display. The internal core element is the pressure sensor, which plays...

The decreasing number of quality wood in accordance with the wood class as stipulated by the Indonesian Timber Construction Regulation (PKKI) requires the industry to innovate in providing construction materials from nature that are equivalent to wood. One of the natural materials with large numbers...

Good transportation facilities will make it easier for an existing area to develop further. In order for traffic to flow smoothly and not be hampered, the condition of the infrastructure must always be treated and maintained. Until now, the guidelines used for steel truss bridges are Guideline No: 07/BM/2005...

This study focuses on the industry pain points of traditional mobile robot control methods, such as high operational thresholds and monotonous interaction experiences. It innovatively designs and implements a set of Mecanum wheel trolley control systems based on gesture recognition technology. The research...

This research was conducted to analyze the use of R-600a in undercounter applications. The use of R-600a refrigerant is an effort to save energy and reduce the Ozone Depletion Potential (ODP) and Global Warming Potential (GWP). Testing was carried out at an ambient temperature of 24℃ and temperature...

For a 4-DOF manipulator, The Kinematic Model of Manipulator is built by the method of D-H, Analysis the solution of forward and inverse kinematics of manipulator, The method that algebraic method combined with the geometric method is used to solve forward and inverse kinematics. MATLAB software is used...

Traditional Data envelopment analysis models make no hypothesis concerning the internal operations in a "black box". To open the "black box", we put forward a type of network DEA structure with several sub-DMUs linked by intermediate products. The input node and output node also represent the entrance...

The effect of cold rolled reductions on microstructure and mechanical properties of TiNi alloys was investigated by means of tension test and TEM. From the results it can be determined that when the annealing temperature reached 550 , the recrystallization and grain growth began to occur after the cold...

To meet the control demand of power system in for hydraulic walking platform, based on the brief analysis of digital PID structure and its shortcoming, fast regulation and control precision control for requirement of power system is given, control algorithm for neural network structure PID is presented,...

Conceptual model is considered to be essential in simulation development activities. However, there are only a few research studies on how to develop conceptual models, the problems of model’s low reusability and lacking management are presented in the conceptual model’s development of simulation system....

When the electronic computer aided design (ECAD) meets the mechanical computer aided design (MCAD), the process, method and scheme of the design in the new electronic products will have a qualitative leap, and the three-dimensional (3D) design is one of the best ways to realize the improvement of new...

The load-relieving material is described by Mooney-Rivlin model. Dynamical response of projectile-based CCD camera is derived by total Lagrangian Increment Method, and the results is simulated numerically by finite element method. The rule of variation of load-relieving materials’ elastic modulus on...

Life Cycle Cost Management is a quantitative analysis method. During the grid operation, load growth causing reduced reliability phenomenon such as some lines overloads, electric power enterprises to re-plan and transformate transmission line to ensure the reliability. In this context, in order to reduce...

This paper, from the point of time sequence, classifies Chinese Company Town, and gives a brief overview of Company town’s causes, process and characteristics etc. in the colonial times, period of national capitalist industry and the Third Front Construction period, and the present situation of preservation....

Distributed generation could be used as a useful supplement to the power grid, which was also the basis of the development of global energy internet. However, a large amount of clean energy integrated into power grid would bring huge challenges to the traditional power grid. In this paper, the state...

The adsorption of platinum (IV) in hydrochloric acid solutions of a composite based on N,N-bis(3-triethoxysilylpropyl)thiourea and 4-vinylpyridine-2-hydroxy-ethylethacrylate copolymer is studied. The value of the static adsorption capacity of the composite for platinum(IV) is found to be 215 mg/g. To...

Android is an advanced development language applied to mobile devices, with great prospect for the application to market. This paper analyzes the development and characteristics of Android, and introduces the development and relevant application of urban logistics platform based on Android.

Modulation technology is very important in the field of communication. A good modulation technology not only can save spectrum resources but also can provide a good channel performance. This paper is based on TCM+8PSK modulation demodulation principle of waveform research and analysis, which aims at...

The traditional translation teaching mode pays little attention to students' practical and cooperative abilities, not to mention the translating technology required by the occupation at present, which has become a big challenge for the cultivation of translation talents meeting the social needs. Under...

Yeasts growth media substitution in producing mannoprotein has become important recently. Bean sprouts were developed as nitrogen sources alternative for yeasts growth media. The research aims to determine the role of bean sprout as alternative growth media in producing mannoprotein by Candida apicola,...

The purpose of this paper is to reveal the effect of fuel injection pressure on the power and torque of a diesel engine. The research method used is the experimental method. Pressure variations of 110 kg/cm2, 120 kg/cm2 and 130 kg/cm2 were applied to a 1981 Chevrolet LUV diesel car. From the experimental...

This study conducted a quasi-static uniaxial compression test to investigate the compressive properties of foamed metal and cementitious composites. The failure phenomenon, stress-strain curve, and compressive toughness index of the tested specimens were analyzed, and the compressive properties of the...

Modulation technology is one of the important technologies in communication systems. This article provides a review and comparative analysis of various modulation techniques used in communication systems. The study begins with a brief overview of the basic concepts of modulation techniques such as analog...

The effect of Mo content on microstructure and mechanical properties of TiC steel bonded carbide was investigated when Mo content was 0.6%, 1.25%, 2% and 2.5% respectively. Results showed that density, hardness and transverse rupture strength of the sintered material achieved the best combined values...

In order to achieve both the processes advantages of fused deposition modeling (FDM) and mechanical cutting, a novel miniaturized machine tool with combined processing capabilities is designed and developed. The miniaturized machine tool is designed using the gantry structure and its overall size is...

With the development of electronic information technology, the electrical engineering and automation has been integrated into various fields of social production and routine life. The methods for cultivating electrical engineering talents with practical application ability are the hot topics that college...

This paper concerns the heterogeneous fleet vehicle routing problem with two-dimensional loading constraints (2L-HFVRP), which is a more complicated version of the vehicle routing problem as it combines heterogeneous vehicles and two-dimensional loading constraints. We give a detailed description of...

Surrounding rock masses’ stabilities of cavities and crane beams of the hydropower station were studied using FLAC3D. Results show that, due to the large excavation span and height, the main powerhouse and tail water hole have larger plastic zones after the excavation, and the same as 1 # unit and 2...

The article studied the influence of pH to the gelling properties and stability of HPAM/Cr3+, the results shows that the alkaline environment could promote the gelation rate and strength. The gelation rate can be lifted properly by increasing the pH value. The HPAM/Cr3+ which exist in the alkaline has...

Carbonization is one of the main factors affecting the durability of concrete structures in atmospheric environment. According to the theory of reliability and the climate forecast data, using the concrete carbonation prediction model improved, the time-dependent reliability of concrete structures were...

In this paper, a remanufacturability evaluation method for mechanical product from the technical point is put forward, according to the remanufacturing process, five remanufacturing technical feasibility indexes of disassembly, cleaning, testing, repairing and assembly are designed scientific and quantitatively,...

When the vehicle is running, there is resonance phenomenon if the frequency of excitation is equal to the natural frequency of vehicle. But it can change the frequency of the new system when a traction transformer is hung under the car-body. In a certain extent, it can avoid the resonance. Meanwhile,...

This paper applies case-based reasoning method to emergency decision-making research field, and mainly researches case representation and case retrieval method. At first, this paper analyzes character of coal mine emergency rescue work, and describes the coal mine accident case using frame representation....

This study investigates the composition and content of anthocyanins, which are from the purple corn (Zea mays L.) bracts. The content of purple corn anthocyanins (PCA) is 17.13%. Results of the identification of PCA showed that the most prominent of the all components was cyanidin type. DF-1 cells were...

Aiming at the numbers of system state parameters and high real-time requirements of real vehicle test, in order to monitor and record various status indicators in actual operation of Multi-Wheel-Independent-Drive(M-WID) Electric Vehicle with in-wheel motor, a real-time monitor recording terminal equipment...