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Naphthoquinone is one of secondary metabolites that are widespread in nature and found in large amounts [1]. Naphthoquinones are clinically important antitumor drugs containing a quinone moiety, such as anthracyclines, mitoxantrones and saintopin, show excellent anticancer activity [2]. In the previouse...

In order to research the influence of underpinning pile foundation after excavating tunnel with shield construction, the three-dimensional numerical simulation is carried out by using FLAC 3D based on the actual project in Shenzhen. Different finite difference models are established respectively by changing...

With the development of subject teaching and the introduction of new music curriculum standards, The development and reform of music teaching in universities are also gradually advancing students’ comprehensive quality. In the “aesthetic education, to beautify people” under the background of aesthetic...

In essence, instructional leadership is a principal leadership model that emphasizes efforts to improve instructional quality. Therefore, the principal must be present in all school programs related to instructional. This research aims to determine the dimensions and behaviors carried out by school principals...

We compared antioxidant activity and biological compounds of ginseng root extractions between ultrasound (US) and microwave extraction (ME). The maximum total ginsenoside content of ginseng root extraction was 27.53mg/g under the ultrasound conditions of 60?"? for 2h (50 kHz, powder 250W). It was higher...

In this paper, a method integrating NC decoding and solid milling simulation to solve this problem is proposed. A modified Z-Map computational algorithm is adopted and it directly uses straight line and arc interpolation algorithms to calculate mesh position and Z coordinates of tool scanning surface...

A dwelling as a self-isolation space becomes essential in the outbreak of COVID-19 to confirm positive or asymptomatic patients. As Wirz-Justice et al. (2020) argue that by its ultraviolet radiance can be considered as a disinfectant and drug to treat the immune system, daylight is needed to cure those...

Due to the characteristics of long period and complicated project, in order to display and manage the airport project in a comprehensive and visual way, it is imperative to establish an application system in 3D airport simulation in advance. This system is just based on this theory and developed by adopting...

Background: The ventricle in aortic stenosis (AS) is influenced by both valvular and vascular factors. The importance of afterload on left ventricular (LV) remodeling is not completely understood. Traditional imaging techniques which rely on geometric assumptions may not assess regional remodeling accurately. Aim:...

Digital holography has a wide range of applications in displaying the surface morphology of three-dimensional objects. There have been many studies on the physical methods and implementation methods of digital holography. One of the main problems at present is to design a stable and fast reconfiguration...

In this paper, the heating process model of billets of different sizes with different spacing is simulated. Monte carlo method is used to determine the observation factor matrix of the outer wall of the heating furnace, 3D finit-difference method is used to calculate the heat exchange between the furnace...

In this paper, we aim to provide a better assembly method for a snap joints assembly task. We create a 3D cellphone model and use ADAMS simulation environment to analyze the relative motion between screen and backer part. We focus on two points in this research. 1) Two kinds of relative motion between...

3D printing can be used widely in many fields. With the development of the society, the needs of using 3D printing are growing faster and faster. People can use 3D printing technology to make a new bone to the patients, create something new and fix some damaged items. In recent years, people use 3D printing...

Develop a Shaanxi wheat straw painting intangible cultural heritage platform with the IdeaVR engine. The platform adopts 3DMAX, 3D scanning, a virtual engine, and other technical means. The platform explores the realization method of the virtual inheritance platform around key links such as demand analysis,...

These abstract deals with fiber yarn model simulation, a technique used to optimize realistic simulations associated with the fiber manufacturing process. Filament yarn is produced using a complex process that involves spinning the fibers into a single thick and continuous strip called yarn. The objective...

Forensic neuroimaging increasingly relies on precise segmentation of white‑matter lesions in MRI to support legal investigations and clinical interpretation. This paper introduces IA3D‑IO (Integrating Advanced 3D-Imaging and Optimization), a novel framework that integrates advanced three‑dimensional...

Parkinson’s Disease (PD) is a degenerative process involving neurodegeneration in the substantia nigra with reduced dopamine production in the brain. Parkinson’s patients often experience gait disturbances that require physiotherapy intervention. Studies suggested that conventional exercises such as...

The limited success of simplified slope stability assessment tools and concerns related to slope performance resulted in a review of an open pit mine located in South Western United States. 3D numerical was used to assess the LOM design which led to improved slope stability, while maintaining key safety...

The angiotensin-converting enzyme, ACE1, is one of enzymes important to blood pressure modulation. The inhibition of protein responsible for blood pressure regulation, the angiotensin-converting enzyme, ACE1, is considered as a method to alleviate the hypertension condition Ashitaba plant might be potent...

Metal-assisted chemical etching (MaCE) of silicon (Si) is a well-used method for the fabrication of Si nanostructures. To simplify the control etching for the fabrication of Si 3D nanostructures, we developed a new method using direct electric field to control the etching direction. We examined the MaCE...

Though motion posture correction technology based on the computer vision technology has been developed to decrease the loss from sports injury, there still exists some weakness. The joint movement of the same athlete varies in different sports program. Under high movement speed, the angle changes of...

Pool fire is a major accident type of flammable liquid. In this paper, a particle system based 3D simulation model of pool fire flame is established. On this basis, a multi-point source model of pool fire thermal radiation is proposed. Each living particle in the particle system is considered as a radiation...

Background: Left ventricular (LV) afterload patterns consisting of late-systolic loading has been linked to LV remodeling and fibrosis in a number of studies. The contributions from arterial wave reflections (WR) has therefore garnered much interest. Aortic dilation may facilitate the adverse effects...

Tourism is one of the aspects of producing foreign exchange from the non-oil and gas economic sector for tourist attractions. One of them is documenting cultural heritage as a form of archaeological preservation. Therefore, adequate and complete data collection in spatial or three-dimensional (3D) attributes...

Penajam Paser Utara (PPU), an Indonesian land for rural and urban areas, has gained attention as the proposed location for the country’s new capital city (Ibu Kota Nusantara/IKN). PPU has a unique socio-cultural environment presenting a blend of traditional rural values and urban influences. The uniqueness...

The Saguenay region in Quebec is largely covered by sensitive marine clays that are highly susceptible to large retrogressive landslides. This work addresses the development of a methodology to forecast slope failure and zonation of landslides in sensitive clays. This is demonstrated by applying an integrated...

Accurately segmenting brain tumors from MRI scans plays a critical role in reliable diagnosis, treatment planning, and monitoring of patients. However, several key limitations persist in state-of-the-art U-Net-based approaches, such as loss of fine-grained features, poor generalization across heterogeneous...

A mechanical model for major flywheel on DMFW spinning is established by means of the method of elastic-plastic theory, and the forming process of flywheel is simulated numerically with the software Deform-3D. The curves of forming by different revolving feed ratio are presented and the distribution...

Two-dimensional semiconductors are redefining the landscape of digital integrated circuits (ICs) by leveraging their atomic-scale thickness, exceptional carrier mobility (>200 cm2/V·s), and layer-dependent bandgap tunability. These properties directly address silicon’s limitations, particularly short-channel...

A square 3D-trench electrode detector structure based on the fast readout electronics is simulated in this paper using TCAD tools. Due to the small size of this structure, the detector is intrinsically rad-hard and it's response time can be as fast as 10's of ps. Electric characteristics including electric...

It is quite difficult to get the temperature field of flow liquid from the three-dimensional perspective by hand calculation. But we figure out an unusual method to obtain the temperature, and we also use 3D software to simulate and test. In order to facilitate the calculation, we use cuboid bathtub...

The LNG shipbuilding profiles’ deformation leads to lots of challenges for hi-precision shipbuilding, in order to achieve hi-precision manufacturing for deformed LNG shipbuilding profiles, a 3D-compensating algorithm for shipbuilding profile deformation is developed based on the profile deformation happening...

Today, the key challenge in traditional classrooms is to enhance the students’ motivation. Currently, there is high demand for 3D visualization technology in urban designs. Complex analysis, simulation and visualization can be created using 3D technology for better visualization. The study aims to use...

Building Information Model (BIM) provides a detailed description of various information throughout the lifecycle of a micro building, but it lacks the expression of macro geographical scene and has insufficient spatial analysis capability, while 3D Geographic Information Systems (GIS) focuses on describing...

In order to study the distribution of stress-strain of bending and springback process, based on the platform of ABAQUS code, a 3D elastic plastic model of the whole NC bending process of 21-6-9 (0Cr21Ni6Mn9N) stainless steel tube was established, and its reliability was validated. Then, the distribution...

A Mesh hernia graft is needed to prevent recurrent hernias. This study aimed to observe the biocompatibility of hernia mesh graft as an alternative material for handling hernia cases via surgery for small animals. This study used 6 male rabbits aged 6-8 months and weighted 1.5-2 kg which were divided...

This research delves into the optimization of 3D printing techniques for mold production, with a specific focus on understanding the critical factors influencing and interplaying with energy consumption. First, it aims to discern the pivotal parameters that significantly impact the quality of the printed...

Tree skeleton had great significance in constructing the three-dimensional model of the botanical tree and investigating the forestry. Based on the point clouds of the botanical tree collected via the terrestrial 3D laser scanner, we proposed a method of rapidly constructing the tree skeleton with the...

For precision mechanical system, the different 3d spatial distribution of form error causes different assembly contact state. Since 3d spatial distribution of form error is not taken account in modeling and evaluation method of geometric form error and it is hard to quantitatively analyze the relationship...

With the development of science and technology and the progress of the society, the wearable lower extremity exoskeleton robots become more and more popular. In the paper, on the basis of market research and the theory of ergonomics, design sizes of the lower extremity exoskeleton have been determined....

the rapid advancement of technology in the field of industry is changing the construction world, and it comes in different forms, one of which is digital fabrication technology. As the technology of fabrication process that is aided by computer, such as 3d printing and CNC machines, becoming more affordable...

This paper aims to explore the implications of the industrial revolution 4.0 on the development of the concept of social capital. The concept of social capital experienced the evolution of thought. Initially, the concept of social capital was conceived of as social cliques [1], norms of reciprocal [2],...

Modified electrospinning apparatus has been developed for continually fabricating nanofiber-coated microfibers. Two positively charged spinnerets were introduced and the PVA microfibers containing silver nanowires (AgNWs) were acted as the grounded collector. The prepared PVA/AgNWs microfiber moved through...

This paper surveys the field of augmented reality (AR), in which 3D virtual objects are integrated into a 3D real environment for Museum. It describes the interaction, visualization and entertainment applications that have been explored. This paper describes the characteristics of augmented reality art...

A feature recognition technique is the intelligent interface of CAD/CAPP. Through extracting and recognizing the tolerance and surface roughness, the design features such asholes, steps and other design features in a 3D model of parts, the CAD/CAPP can be combined efficiently, and then the CAD/CAPP/CAM...

Background: An efficient public health workforce is necessary for improving and maintaining the health of population and such a workforce can be prepared through proper educational programs and trainings. Objectives: The present study aims to investigate the needs in the public health education programs,...

The rise in temperature induces alterations in the unfrozen water content(ωu) at the soil-rock mixture and concrete interface, leading to a subsequent deterioration in interfacial strength. In this study, rough concrete surfaces were fabricated via 3D printing technology, and composite specimens comprising...

This work proposes design development of a new Computer Numeric Control (CNC) milling-cum-3D printing hybrid model. The successful prototyping of the machine with CNC Milling and 3D Printing ability may be accessed as a workstation and is viable for limited production. Initially the layout of the machine...

This paper aims to offer a lightweight design method of the missile engine support structure based on the topology optimization by taking advantage of the computer numerical simulation and 3D printing technology. Taking use of 3D printing in the shape of heterogeneous structures and personalized manufacturing...

Political literacy is one of the global literacy that requires understanding of one's ideology. The purpose of this research is to investigate the ideology represented a book chapter by Vltchek entitled "Indonesia: Archipelago of Fear". Drawing on Fariclough’s 3D approach to CDA, this study found that...