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Data mining algorithms behave differently under different application context. It is an important topic to find out the characteristics of the relevant algorithms. This paper studied PCA based dimension reduction and the functional performance of data mining algorithms (ANN, Bayes, KNN, K-means) under...

Based on Optimal Latin Hypercube Design (Opt LHD) method and Particle Swarm Optimization (PSO) algorithm, this article presents a method for tuning PID control parameters of quad-rotor. Firstly, the range of 15 PID parameters are obtained by experience. Within the range of the PID parameters, Opt LHD...

Based on current conditions, the academic grades of several Geomatics students at Yogyakarta State University were relatively low. One of the causes was the large amount of material and limited learning time. The purpose of this research is to develop and analyze the process and results of the Geomatics...

Buzzwords on the Internet refer to words that are mainly used on the Internet and are given meanings in a specific era and language environment. This language of the internet, a language system that concentrates on the content of events and public emotions, has emerged and received wide currency [1]....

Wooden handicrafts are more and more loved by the people in the contemporary, and are introduced into foreign markets as a representative of Chinese culture, caused a big sensation and became the material carrier conveying the Chinese traditional culture. In modern society, exploring and analyzing its...

Research aims to determine and analyze the influence of customer experiences, café atmosphere, social media marketing on consumer e-Wom at the Makassar Café Coffee Institute. Research method applied Was a quantitative research method. The number of respondents obtained using a sampling technique using...

This study aims to analyze and describe the influence of learning behavior on the learning outcomes of practical courses at UNNES and see how much influence these two variables have. This study used a quantitative approach. Data collection in this study used analytic/survey techniques by distributing...

Through the investigation of three cities in Shaanxi province, it is found that after the implementation of the "comprehensive two-child" policy, public service policies on birth, education and medical treatment, etc. have been rapidly improved on the original basis, which has reduced the cost of birth...

Stunting is a nutritional problem that has multifactorial causes. These multifactorial causes include poor nutritional intake, genetic factors and hormonal problems. Thyroid disorders are one of the hormonal problems that cause stunting. This literature review is to describe whether thyroid disorders...

Under the two-dimensional components of seismic action, the seismic response spectrum method was applied to irregular structures that were constructed in order to replicate the main powerhouse of a large thermal power plant with a frame-bent in the transverse direction and a frame-shear wall in the longitudinal...

The stress experienced by drivers is modelled in this article utilising multiple pre-trained networks. Seven pre-trained networks were utilised to extract features from ECG-based scalogram images in order to automatically increase the detection performance: Google Net, DarkNet-53, ResNet-101, InceptionResNetV2,...

There are significant differences between the implementation of the family planning policy and the effects. According to a survey of Shaanxi Province, the number of families with two children has reached 62% in some cities, and only 37.8% in some cities. This laid a different foundation for the implementation...

The distribution network is complicated, it often causes many faults when happing natural disasters. Relying on the repair dispatching experience, it is difficult to develop the most effective repair scheme. In view of the feature that the rush repair faults after the disaster is different from the general....

This paper analyzes the principle and test method of the grounding resistance. According to the analysis and calculation of the lightning accidents, prove the relationship between counter attack lighting and the grounding resistance. We also describe the basic principle of grounding resistance test....

Reserve ancillary service is necessary to maintain the power system operation reliability. It is trended now to be procured under the deregulated environment in order to improve the enthusiasm of reserve ancillary service providers. Therefore, a reasonable reserve market mechanism in which all the necessary...

In order to realize automation and intelligent design of sheet metal design, an integrated design system is constructed and tools for unfolding of sheet metal are developed, the system is composed of raw materials management, design tools management and process management. This system contains related...

To effectively characterize the topology and geometric information of 3D CAD models, trees, graphs and other non-linear data structures have become the important descriptors of 3D CAD models. However, the matching based on tree or graph is still the main bottleneck of 3D CAD model similar evaluation....

High voltage and large current dynamic test for SiC diodes and hybrid module was studied. Then high voltage dynamic test for 1700V-25A 4H-SiC junction barrier schottky (JBS) diodes and high current dynamic test for a 1700V-200A half-brige SiC hybrid module were performed. With the change of test conditions,...

According to the pressure testing requirements under high temperature and high pressure environment in oil and gas field, this paper introduced the design and development of a kind of high temperature high pressure sensor chip, and solved the problems of thermal stability of traditional piezoresistive...

The COVID-19 pandemic has spread in various countries. Especially in the education sector, COVID-19 has an impact on the implementation of learning that has changed from face-to-face to online. Besides, due to conditions that do not allow data collection in the field/laboratory, currently, many supervisors...

This paper analyzed Vehicle Routing Problem and established mathematics former. After that it introduced the method and process of Simple Genetic Algorithm which was used to solve Vehicle Routing Problem. Then, it indicated the shortage of Simple Genetic Algorithm and put forward Improved Genetic Algorithm...

In order to study the project measures for enhancing the hydrodynamic of Guazhuhu lake, the selected range included diversion works and lake surroundings. A two-dimensional mathematical model numerical simulation method was used to calculate the hydrodynamic factors, such as flow velocity and water level,...

Recently, two-dimensional atomic layers of transition metal dichalcogenides (TMDs) have drawn more attention because of their remarkable electronic and optical properties. How to effectively identify the number of TMDs layers becomes an important issue. Here, we report the determination of the number...

Along with the aging of China’s population, China’s pension insurance system is facing a series of new problems and challenges in the process of development and reform. Up to now, urban workers’ pension insurance has been initially established in China, and urban residents’ pension insurance and new...

With the implementation of the plan for educating and training outstanding engineers, as well as the promotion of the CDIO Teaching mode, the education should continue to explore new laws and models in the training of innovative talent in the engineering field. Firstly, the course introduction is considered...

In order to quickly and comprehensively understand some rubber material data, the three layer system structure based on B_S model develop database system of rubber materials by using ASP technology, the Windows7 operating system, IIS7.5 as Web server, Dreamweaver CS6 as the development platform, SQL...

Based on web, an integrated Magnetic alloys database system has been constructed, by adopting three-tier architecture such as B/S and using advanced technologies such as JSP and SQL. The system has several advantages such as friendly interface, simplicity, easy to use and understand, functional integrity...

With the rapid development of computer and wireless communication technology, multimedia communication on mobile terminals has also been a growing concern of people. Traditional communication mode of the client is too conservative, will produce large errors, strong constraints. To compensate for the...

The InGaAs/InP avalanche photodiodes (APDs) are one of the most practical devices for single-photon detection at the near-infrared wavelengths. In this paper, we report a Chinese-made InGaAs/InP APD based single-photon detector operated at 1.25 GHz. The combining technique of sine-wave gating and low-pass...

For railways, bridges, highways and others constructed by fixed-chain type linear wireless sensor networks, many studies have focused on routing protocol research with stetted communication radius. However, different communication radius directly impacts the transmission; thereby affects the performance...

Driven by human-related pollution and environmental damage, climate change has become a life-threatening issue for the international community in recent decades. To address this global challenge, different organizations must collaborate with each other and thus create collective goals on an international...

The purpose of this article is to identify and analyse several key references about social media marketing and brand awareness. This study is a systematic literature review using the Scopus through Harzing Publis or Perish. Then the data were analyzed using software Microsoft Excel, Mendeley and Vos...

The development of critical thinking through educational interventions is still needed to prepare competitive graduates. Pre-service teachers play an essential role in developing critical thinking as the primary goal of learning. This study aims to determine the effectiveness of the Critical Thinking...

Long treatment and high dropout rates require responsible staff’s commitment to preventing and supervising patients taking medication. This study analyzes the correlation of leadership, motivation, and climate organization on the work performance of Tuberculose (TB) program managers in Tasikmalaya. This...

Oil in water drilling fluid is a suitable water based drilling fluid for horizontal well, because of good lubricity, liquidity and borehole stability. Optimized and matching emulsifiers, in the2:8 ratio of oil to water, the emulsifiers OP-10+SP-80 ratio of 3:2 is the best effect of emulsion stability,...

Results are presented for the silicon carbide (SiC) vertical channel junction field effect transistor (VJFET) fabricated based on in-house SiC epitaxial wafer suitable for power devices. The Normally-off 1300V SiC VJFET device’s current density is 260 A/cm2 and current is 8 A at VG= 7 V and VD = 2 V,...

This study aims to determine the effect of training on employability and its implications for employee performance. The research method used is quantitative. The unit of analysis is Horison Hotel Bandung employees, with as many as 78 respondents. Data was collected using an online questionnaire (google...

This research aimed to realize vocational adaption of novice teachers in kindergarten. 52 teachers who have been teaching for 0-3 years filled in the questionnaires. The results of the research revealed that (a)the occupational adaption was at an average level, which was reflected on the highest grade...

Based on the relevant data of 31 provinces and cities, this paper constructs the total effect model and intermediary effect model of agricultural loans on agricultural development, and uses stata to do multiple regression analysis of the data. The results show that there is a significant positive correlation...

The purpose of this paper is to introduce hydroxypropyl-β-cyclodextrin(Hp-β-cyclodextrin) into ozonation, and investigate the oxidation properties of Hp-β-cyclodextrin after ozonation. In this study, Potassium indigo trisulfonate, (Indigo) and 2.2’-azino-bis (3-ethylbenzothiazoline-6-sulfonate, (ABTS)...

Based on generalized state-space averaging method (GSSA) and selective modal analysis method, a dynamic mathematical model was built to depict the dynamic characteristic of the bi-directional contactless inductive power transfer (CIPT) system. The model has already been tested by Matlab, and the simulation...

The increased volume of online messages has made it difficult for users to efficiently process and extract relevant information. This paper presents a flask-based message summary system, allowing users to obtain accurate summary of news articles and simultaneously receive core meaning and context. The...

Thermostat is an important part of car cooling system. In this paper, with the fluid analysis software FLUENT, CFD simulation analysis was carried out on the two kinds of thermostat. The distributions of temperature, speed, pressure were obtained by simulation analysis of flow field of thermostat, and...

Schools face the problem of the continuity of the teaching and learning process in the classroom when the COVID-19 pandemic occurs. One way to address this issue and continue the school's teaching and learning process is through learning management systems (LMS). There is much demand for online...

With the development of internet and Smartphone, the access to multimedia content (eBook, music, movie, video etc.) has become easier and easier on the mobile phone. Thanks to its good performance, Android mobile phone has attracted more and more people since the introduction of Android OS by Google...

Many studies use the concept of the form of national structure. When referring to Spain, there are always disputes about its national structure. This article explores the disputes of the academic community on the form of Spanish national structure, which can attract more scholars’ attention to this issue...

In this paper, facing the problem of tool selection in the machining process, an evaluation model of machining capacity of milling cutter, which is based on the method of relational algebra, is established. First, affecting processing capability factors are integrated by modeling. Second, these factors...

In recent years, with the well-known real estate development enterprises sinking into the third and fourth-tier cities, it is of great practical significance to study the relationship between the real estate industry and the economic development of the underdeveloped areas. In this paper, taking Heyuan...

Stress can be experienced by anyone, including early adult individuals. The many demands to fulfil developmental tasks as an early adult individual can also lead to varying level of stress, leading to health problems such as reluctance to eat or overeating to lead to eating disorders. People with eating...

in this paper, the mass oriented HTML data refers to those large enough for HTML data, that can no longer use traditional methods of treatment. In the past, has been the Web search engine creators have to face this problem be the first to bear the brunt. Today, various social networks, mobile applications...