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Large diameter longitudinal welded pipe is the main form of energy transport, and has a wide application in the transportation field of oil and gas. In this paper, crimping forming experiment for large diameter longitudinal welded pipe was introduced, and the relationships between forming stroke, crimping...

The vehicle routing problem, it is a many factor of the global optimization problem. In this paper, according to the characteristics of school bus problem, a Plant Growth Simulation Algorithm(PGSA) was put forward, and it was used to solve the vehicle routing problem, the algorithm was experimented and...

A new vibration cutting device was presented in the paper to offer much high power and high rigidity for the unstable vibration parameters, bad compliance between practical and theory which produced while using conventional vibration cutting equipment. Detailed calculation and structure design were carried...

The air suspension has the characteristics of nonlinear variable spring rate. To improve vehicle handling stability and ride comfort, the characteristic curve can be designed to comply with the vehicle vibration. In this paper, air suspension and whole vehicle were selected as research object, vehicle’s...

Analyzed was the effect of wind tunnel model determination accuracy on test data quality. The development was reviewed of wind tunnel model determination methods, principles and applications were compared and analyzed for the accelerometer, gyro, and optical measurement system whose drawbacks and advantages...

Characteristics and technical difficulties of long– flight-time solar powered UAV airborne power and energy storage system was studied, and a general design method based on energy balance relation and aerodynamic parameters was proposed. The relation formula between key parameters such as solar cell...

With people spending more time on social media, addiction has become a social problem and has drawn much attention. Especially for young adults, social media has become an essential part of their life. This study examined the role of positive emotion played on social media addiction. The participants...

The Lead brass is used in various fields of machinery manufaeturing widely because of its superior performanee,easy molding cutting and ability corrosion resistanee.However,the lead is harmful in the environment.The purpose of this research is to produce a kind of environmental and free-cutting brass,which...

Due to the drawbacks in Support Vector Machine (SVM) parameter optimization, an improved quantum ant colony algorithm was proposed, and the learning ability in practical English speech emotion recognition was improved. The experimental results showed that quantum ant colony algorithm may significantly...

Study This aimingfor knowing: 1) implementation of Risk-Based Budgeting at PT. Semen Tonasa can help company in identify, manage, and reduce potential risks threaten sustainability business, and 2) obstacles in implementation risk based budgeting in increase sustainability business at PT. Semen Tonasa....

The effect of drying temperature on sensory and flavor of thyme was evaluated. The drying temperature showed no influence on the flavor the dehydrated thyme. A higher drying temperature leaded to a dark greenness of the thyme. Hence, a higher drying temperature leaded to an attractive appearance of the...

This paper aims to research and analyze the heat dispersion of small variable capacity refrigeration system which is used for cooling the chips with high heating flux. The cooling system was built for researching what influence refrigerant charge will bring to the performance of the system, such as suction-exhaust...

Traffic data-collecting is one of the basal contents of Intelligent Transportation System (ITS). Supply in the paper a design scheme of data-collecting system based on 9S12D64 microcontroller, furthermore, discuss in detail the system's operating principle, hardware structure and software design. This...

The use of liquefied petroleum gas (LPG) cylinders in household settings is very dangerous. These objects may cause serious harm. Unidentified and poorly managed LPG gas leaks in kitchens cause most home fires and explosions. Regarding the consequences of the hazards posed by LPG, several serious mishaps...

The effect of drying temperature on qualities of dehydrated thyme was evaluated. The moisture content and water activity of the thyme decreased with the drying time and drying temperature. The chlorophyll content was enhanced when the drying temperature was decreased. Hence, a lower drying temperature...

This paper presents a modular method to construct the postprocessor system for a novel hybrid parallel-serial five-axis machine tool. A hybrid parallel-serial mathematic model was introduced to analyze the structural configuration. The configuration decomposition of machine tools is employed to create...

The current transmission and playback of the streaming media in the WEB browser are mainly depend on the use of the Flash plug-in. And different platforms you need to install the plug-in are often different, that bring a very bad user experience. Combined with UDP transport protocol of streaming media,...

Asset pricing model reveals the relationship between expected return and risk associated of the portfolios for investors during the investment decision-making process. Concepts (e.g., the correlation of different variables and the growth or decline of the portfolio) are quantified in different models...

This study aims to analyze the strategy of the multi-source system business model in the cement delivery process via bulk carrier vessels at PT. Semen Indonesia Tbk. This study uses a qualitative descriptive method to analyze the strategy of the multi-source business model in cement delivery via bulk...

In this paper, taking industrial grade chitosan as raw materials, CO oxidation degradation method for degradation of raw materials by using HAc-H2O2, carried out in cooperation with oxidation degradation of raw material system of the reaction process is studied in different degree, viscosity, and reaction...

robot model of three-arm and five-degree freedom plus large scope of traversing welding was established, and decoupling of models of “large scope of traversing”, “triangle movement of two arms” and “spherical movement of one arm” was realized. The model of “triangle movement of two arms ”is able to use...

The development of antennas that will function more effectively at higher frequencies is necessary as wireless communication technologies progress toward the next generation, 6G. The goal of this project was to create and improve an antenna system that is suitable for 6G while taking high-frequency communication...

Systematic research on the performance of former designed plasma reactor was carried out in this paper. Numerical simulation method was performed, the distribution of electromagnetic field in microwave cavity by Finite Element Method (FEM). Microwave mode in waveguide, coaxial transformation part and...

Character education is interpreted as education that can promote noble values, morals, character, and manners. Character education is currently being developed following the Ministry of Education and Culture strategic plan for 2020 – 2024 in the form of the Pancasila Student Profile. The purpose of this...

In early 2020, Indonesia faced the devastating impact of the Covid-19 pandemic, resulting in significant loss of life and profound economic challenges across communities. To alleviate these hardships, the government initiated various forms of social assistance, including the Village Fund Direct Cash...

Grinding is generally the final process, and it is closely related with the surface quality of the component. Now, it’s difficult to measure the surface roughness until the grinding process is finished. The purpose of this research was to study the roughness prediction and avoid the defect happening...

The fixed clamp should be installed inside the BOP stack for sectional blockage and tubing pulling job. When there is combined string in downhole, it causes inconvenience in replacing slips of different specifications because of pressure in BOP stack. To solve the problems mentioned above, variable diameter...

The cultural industry theory of Frankfurt school was born in the middle of the 20th century and came into being in the reflection of German Nazi totalitarianism and American cultural monopoly. In their view, the greatest characteristic of modernity at the ideological level is instrumental rationality....

This study aims to analyze the role of financial literacy and technology on the performance of Small and Medium Enterprises (SMEs) in Indonesia, as well as explore the role of financial access moderation in this relationship. Using the survey method and structural equation model (SEM) using SmartPLS...

MGP0501, one low-molecular-weight glycopeptide extracted from the sea mollusk Meretrix meretri, was investigated in this study for its effects on the growth of the tumor tissue and immune organs in xenografted sarcoma 180(S180), Ehrlich's ascitic carcinoma (EAC) and Hepatocellular carcinoma (Heps). Cyclophosphamide...

The goal of this paper is to analyze the marketing and management strategies of Genki Forest, a soft drink company that specializes in health drinks, and to excavate the reasons as to why the company was able to become a unicorn with a history of only five years. This paper will also discuss the characters...

6-Bromo-4-iodoquinoline is an important intermediate for the synthesis of many biologically active compounds, such as GSK2126458. It was synthesized from 2,2-dimethyl-1,3- dioxane-4,6-dione and 4-bromoaniline through five steps including cyclization reaction and substitution reaction. And the structures...

This article focuses on the Sino-Russian security cooperation within the SCO. The authors consider the security cooperation as the one of the most important parts of bilateral relationships of the People’s Republic of China and the Russian Federation. The Shanghai Cooperation Organization is a platform...

The author presents the results of an empirical study of individual psychological characteristics and image of the world of adolescents. The study used the following methods: multi-Factor personality questionnaire 14PF (Sixteen Personaflity Factor Questionnaire, 14pf) Cattell (teen version), projective...

Gamification education is becoming more and more popular today with the development of electronic technology such as the Internet. Gamification allows students to engage in immersive and experiential learning through the environment and peer social interaction, and it can also set clear game goals to...

Education has always been a highly debated and controversial topic among experts. Law study in all studied areas was especially hard because the law is serious and sometimes cannot be joked about. There are limited ways to make it more attractive to learners, and there are almost no special tricks in...

This study aims to describe the implementation of academic supervision in child-friendly elementary schools. This is a qualitative descriptive study. Data were collected by interview, observation and document study techniques. Data analysis was carried out with the stages of data reduction, data display,...

Finland is honored as the country of design, and its capital Helsinki was awarded as “World Design Capital” in 2012 by World Industrial Design Association. Thanks to its excellent design tradition and education system, Finland achieves impressive grades and attracts attention of the world in design....

Time-table Problem of universities is a many factor of the global optimization problem. In this paper, according to the characteristics of time-table problem, a Plant Growth Simulation Algorithm(PGSA) was put forward, and it was used to solve the Time-table Problem, the algorithm was experimented and...

2-(4-((6-bromo-3-nitroquinolin-4-yl)amino)phenyl)-2-methylpropanenitril(7) is an important intermediate in many PI3K/mTOR inhibitors. The compound 5 was synthesized from 6-bromoquinolin-4-ol (1) and 2-(4-nitrophenyl)acetonitrile(4) through five steps including nitration, chlorination, alkylation, reduction...

The growing requirements of steel products qualities bring even tricky restrictions to the rolling process. With the fast response, reliable control and low maintenance requirements, the hydraulic automatic gauge control system has been widely applied to screw down the roller to maintain the precise...

A pot experiment was conducted to study the effects of intercropping with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) on photosynthesis and soluble sugar content of grape seedlings under cadmium (Cd) stress. The result showed that net photosynthetic rate...

Nowadays, fandom and fan culture have step into the eyes of the public gradually. Many people are curious about how this subculture carries weight to society. In this article, we mainly focus on discussing two problems. The first is how the development of social media and technology influences fandom....

7-(Benzyloxy)-4-chloro-6-methoxyquinazoline(1) was synthesized from methyl 4-hydroxy-3-methoxybenzoate(2) through five steps including substitution,nitration,reduction,cyclization and chlorination.Its structure was confirmed by 1 H NMR and MS spectrum.The total yield of the five steps was 29.2%.

Presently, the slowly development of DFT is mainly due to the lack of effective testability validation. The validation is an important part of the DFT, it will accurately detect equipment Fault Detection Rate (FDR), Fault Isolation Rate (FIR), Fault Alarm Rate (FAR) and make sure other important indicators...

This research investigates the effects of working environment, leadership style and career development on employees’ performance in service sector organizations. A structured questionnaire was used to gather data from 210 employees working in hospitality, retail and consulting organizations. The result...

MSME assistance is a program created by Ketapanrame Village together with BRILian which aims to improve the quality of MSME products and services, turnover, welfare of MSME actors, skills of MSME actors, village economy, welfare of local residents, cooperation between MSME actors and Ketapanrame Village...

This study aims to determine the influence of auditor expertise, time pressure, and auditor experience on audit quality, mediated by auditor ethics. The population and sample in this study comprised 115 auditors from the Inspectorate of Regional Government in the districts and cities of South Sulawesi...

Equipped with KATERINA, the buoy provided effective technical platform for on-site rapid monitoring of the marine radionuclide. Performance index and usage in the ocean buoy of KATERINA was introduced. Ultrasonic cleaning method in seawater was developed for preventing KATERINA from biofouling. Marine...

The effects of intercropping with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) with grape seedlings on soil organic matter and soil enzyme activity under cadmium (Cd) stress were examined in order to provide the reference for grape production in cadmium...