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The fuel injector of marine auxiliary boiler burner was took as the research object in this paper. Firstly the UG NX_8.5 software was used to establish the 3D model of the boiler injector and related components, then the virtual assembly and disassembly system of the boiler injector was researched and...

3D printing, also known as additive manufacturing (AM), has emerged as a transformative technology that contrasts with conventional subtractive methods by building objects layer-by-layer from digital models. Since its development in the 1980s, it has revolutionized industries such as aerospace, healthcare,...

In recent years, owing to the international balance of payments surplus, direct investment and net capital inflows, the scale of China's foreign exchange reserves is becoming larger and larger. In this paper, based on the analysis of the structure of the source of foreign exchange reserves in China and...

A research about 60 applied-type undergraduate college net-libraries which are drawn from 670 applied-type undergraduate colleges shows, the Online Information Literacy Instruction (OILI) of applied-type undergraduate college libraries in our country has four drawbacks, such as it did not underline the...

According to the needs for many people conducting a certain virtual experiment at the same time in different places, a multiplayer online virtual experiment system built by Kinect and Unity 3D engine is proposed. In this system, the Kinect is implemented to complete the motion operation, which can improve...

Numerical modeling and simulation of an electromagnetic crimping process will give us better insight how different phenomenon relate and affect the result of deformation significantly. This paper focuses on modeling and simulating of electromagnetic crimping of Al6016-T6 tube on a steel rod with single...

The pressure impregnation method is adopted to prepare the three-dimensional braided carbon fiber reinforced magnesium matrix composite under the protection of inert gas. The microstructure of the interface between the surface of carbon fiber and the composite was analyzed by SEM and XRD. The results...

against the lower searching efficiency and lower precision existing in the web service discovery system, this paper puts forward a web service organization framework based on cloud service community. The community exists as a form of net built by the web services (nodes) and the cooperative relationships...

Evaluate the effectiveness of software protection technologies is still an unsolved problem. This paper presents a new evaluation method considering attack cost as the metric to evaluate the effectiveness of software protection under the circumstances of fulfilling assumptions that all software can be...

The paper presents studies of electroencephalogram (EEG) signals of epilepsy patients based on wavelet transform and calculation of the total signal energy. The object of the study was a patient aged 17–22 years diagnosed with focal (structural) epilepsy, mesial sclerosis on the left and focal cortical...

To eliminate TB from the country by the year 2030, the Bangladesh National Tuberculosis (TB) Program is providing free treatment to the TB patients since 1993. However, the patients are still to make Out-of-their Pocket (OOP) payment, particularly before their enrollment Directly Observed Treatment Short-course...

The Musi River is a vital shipping lane for Indonesia. It has varying depths and widths that can impact the safety of passing vessels. To determine the river’s depth, a bathymetric survey is required. Primary data collection was conducted by mapping the shipping lane using a Single Beam Echosounder (SBES)...

This study aims to determine the dimensional accuracy and porosity of polylactic acid scaffold using 3D printing and the value of the effective elastic modulus. The main contribution of this research is to obtain the most suitable scaffold porosity for use as cancellous bone implants. It was obtained...

Net winch is a major fishing net equipment for retracting and pulling fishing nets. Currently, the multi-drum net winch is widely used in the ocean going seiners. It is mainly based on the tensile load and velocity to design the net winch drum drive device and drum numbers. The structure includes a main...

This paper applies two measures to assess spillovers across markets: the Diebold Yilmaz (2012) Spillover Index and the Hafner and Herwartz (2006) analysis of multivariate GARCH models using volatility impulse response analysis. We use two sets of data, daily realized volatility estimates taken from the...

Significant changes have been made to both the interior and external environments of urban planning and development. With the vigorous promotion of new urbanism and the application of the precise “multi-regulation” standard put out by the state for the growth of new urbanization. The planning system...

Research on crack propagation using the phase field model has gained significant attention in recent years. However, several aspects remain unexplored, such as crack propagation in three-dimensional domains. This study aims to model crack growth in three-dimensional domains using the phase field model....

A robotic head is one of the most crucial components of a robot in HRI experiments as it provides the potential for interaction using facial expressions and dialogue. Retro-projected robots can be used in the field of affective computing due to their interaction abilities. Unfortunately, most robots...

Terrestrial laser scanner can remotely obtain 3D coordinate data of a structural member without installation of sensors or reflective targets on the structure. In this paper, to overcome the limitation of the conventional measuring system based on strain sensors, relative changes in 3D coordinate data...

According to low-frequency electromagnetic compatibility problems of automotive electronic equipment, an automatic system based on 3-dimensional robot-arm was put forward and designed to detect electromagnetic field intensity. The recorded intensity of electromagnetic, and then implement three display...

Numerical analysis of static magnetic field force for probe of online magnetic flux leakage detection system was conducted by combining ANSYS and Virtual work method. The result shows that combination of ANSYS and virtual work method could accurately calculate the static magnetic field force between...

The glass lettuce was made as material, the effect of different concentrations (0, 50, 100, 150, 200 μmol·L-1) of exogenous melatonin on photosynthetic pigments and photosynthetic characteristics of lettuce seedlings under salt stress was studied. The results showed that when the concentration of melatonin...

PT Centratama Telekomunikasi Indonesia Tbk has grown its telecommunication tower portfolio significantly since 2017, primarily through acquisition. In 2022, the company acquired approximately 4,000 telecommunication towers, propelling it to become Indonesia’s third-largest telecommunication tower provider....

CAD programs are used in engineering environment on a daily basis, because of their wide use in designing, machining or evaluating process. This fact boosted the development and impact range of CAD software possibilities, but in the field of gears, there may be some shortcomings. These shortcomings are...

This article discusses the comparison of the Convolutional Neural Net- work (CNN) architecture for image classification of corn leaves diseases. This study uses public data on from Plantvillages. The data be contained in four classes: gray leaf spot, common rust, leaf blight, and healthy. Each class...

Functionally graded concrete (FGC) has emerged as a transformative material concept in civil engineering, enabling spatial tailoring of mechanical and durability properties through the strategic distribution of constituents. This review provides a comprehensive synthesis of recent advancements in the...

The motive of this have a look at is to decide the impact of ROA, DAR and NPM at the boom of sales companies in basic and chemical industry sector at the Indonesia Stock Exchange throughout 2016–2019. Quantitative studies used of this research, specifically secondary statistics. Study Literature is used...

The modular multilevel battery (M2B) is a novel approach to integrate battery storage into the electricity grid. This paper obtains the efficiency and financial benefits of a working prototype system, compared to conventional systems for frequency containment reserve (FCR). The efficiency is determined...

Empirically, this research examines the effect of profitability on income smoothing practices with the moderating variable of firm size in the manufacturing industry during the 2017 – 2019 period which is listed on the Indonesia Stock Exchange. 75 data used in this research were selected 225 data using...

Under the development of low-carbon economy, low-carbon electric cars can effectively substitute conventional cars, and help to ease the problems of global energy crisis and environmental pollution. This thesis analyzes the uncertain factors which influence the low-carbon electric cars, and applies the...

Fuzzy Logic has played an important role in medical image (MI) segmentation in the last decade. Automatic blood vessel segmentation from 3D medical images is an emerging area where segmentation algorithms could be combined with evolutionary computation methods for better diagnosis and higher decision...

Able to directly study the internal rule by starting from the complicated phenomenon, fractal theory can describe complicated phenomenon in natural world. Nowadays, in-depth study and exploration are conducted for fractal in almost all domains of science; some architects have paid attention to it in...

This paper uses a variable investment analysis framework to examine the impact of the investment of two independent innovation projects by technology innovation company operators on their financing capabilities. The results show that simultaneous diversification has improved equity multipliers and borrowing...

Digital technology which is a characteristic of industrial revolution 4.0, affects the change in drafter competence which is the output of graduates from the vocational high school program. These changes need to be accompanied by adequate quality infrastructure. This study aims to predict the need for...

Digitizing early childhood learning media is an innovative educational solution to help children learn and develop independence in their learning process. This research focuses on the development of augmented reality (AR) technology-based learning media using virtual teacher figures in 3D form. The aim...

Education is a means to improve the quality of one`s life. In taking education one is required to continue learning. Learning will change a person’s three aspects: knowledge, attitudes, and skills. In terms of learning at Vocational Schools, students and teachers need to adapt to current global conditions...

The implementation of UAVs in Indonesia on road infrastructure projects still widely used at the planning stage of new road routes and the supervision stage to determine the progress of the work. Meanwhile, at the post-work monitoring stage, the UAV is only used to identify and inventory the pavement...

Education system is constantly developing and now people can use new AR and VR technologies to improve their learning process. Augmented reality, abbreviated AR, is a combination of the real world and additional data “entered” in the area that the user sees. VR is generally defined as an interactive...

This research is a systematic literature review of the integration of Building Information Modeling (BIM) and City Information Modeling (CIM) to optimize construction efficiency and promote the development of intelligent cities. The review draws from international and domestic databases, such as Web...

With the continuous development of technology, the scale of modern agricultural planting areas continues to expand, the recruitment of orchard porters for a long time is the fruit farmers’ biggest headache, in the face of various types of applications where robots continue to research and development...

A pot experiment was conducted to study the effects of photosynthesis of Chinese cabbage under NaCl stress, and different concentrations of abscisic acid (ABA) solution about 1, 5, 10 and 20 mol-L-1was sprayed, control was sprayed water on leaves. The results showed that spraying ABA could improve net...

In this paper, we reviewed several outstanding contributions over the past decade in the field of augmented reality. The papers are selected according to their citation rate in the academic resources of Google scholar. In addition, considering that augmented reality covers several topics, and it has...

In the 21st century, with the acceleration of the global economic integration process, the clothing sector has also undergone rapid changes. Three-dimensional cutting is a brand-new fashion design model. Intelligent clothing design is a new and new model in the design field. Due to the novelty of its...

An added value analysis was performed on 16 processed chicken products, consisting of 11 types of Chicken Nugget products, 2 types of meatball products, Chicken Golden Fillet, Fried Chicken, and Spicy Wing. By employing Hayami method, we find the added value of 16 processed chicken products at PT Sierad...

Cultural objects are essential resources to manage because they show the identity of society. Therefore this is one of the crucial aspects that are the target of researchers. As tangible objects, cultural objects cannot separate from the potential for damage or even loss. So far, it has been archived...

Test of interior and external noise and vibration signals of Minibus were conducted in accelerating and constantvelocity driving conditions. By using time domain, frequency domain and 3D spectral arraymethods, the exterior noise, interior noise, the vibration acceleration of driver’s seat and driving...

The role of the collective behavior of defect ensembles at the crack tip and the laws of fatigue crack propagation in aluminum-magnesium alloy AMg6 have been studied under conditions of symmetric tension–compression gigacycle loading at 20 kHz using ultrasonic fatigue testing machine Shimadzu USF2000....

In order to guarantee the synchronization of multi-simulation entities in the multi-channel 3D visual simulation system, the dynamic synchronization method is of great significance. By improving the traditional bucket synchronization algorithm, the paper presents and implements the frame bucket lock...

The Mw 7.9 earthquake occurred in Wenchuan, Sichuan, China, on 12 May 2008, and it caused huge casualties, economic loss, and serious damage to engineering structures and infrastructures in the area near the fault rupture. In particular, the Wudu township far away from the fault rupture (>100km), which...

In oil palm plantations, there is age gradient that is expected to affect pattern of Hymenopteran parasitoid community. The aim of the research is to evaluate effects of age gradient of oil palm plantations on community of hymenopteran parasitoid. Approximately, six blocks representing three different...