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The thermostability of Cu(II)-1,10-phenanthroline complexes was studied by the thermogravimetric analysis, and their catalytic properties were evaluated in oxidative carbonylation of methanol to dimethyl carbonate. It was found that the copper coordination environments and the thermostability of the...

Using MODIS thermal infrared data of satellite and geostationary satellite thermal infrared brightness temperature data for Wen ' an 5.1 earthquake in Hebei province during 2006, the temporal and spatial characteristics of the earthquake were systematically calculated and analysed. Studies show that...

This paper begins with analyzing the characteristics of large and complex project management systems and creatively puts forward constructing a large, complex project management system by usingcloud databases. Afterwards, the structure chart and functional diagram of large and complex project management...

For the Push-pull Forward (PPF) DC-DC converter, in order to find an ideal control strategy, the mathematical model of the PPF DC-DC converter can be obtained by the small-signal analysis method. According to the mathematical model, we give three control strategies to design PID controller, Fuzzy controller...

In order to solve thermal protection problems under atmospheric reentry conditions, some tests on the earth have been done to study antiablative properties of C/C composites in thermal plasma jet. The flow fields and the thermodynamics parameters of thermal plasma have been researched, the parabola distribution...

Free-trade ports (FTPs) have become a means for China to promote economic upgrading, expand international trade, and attract foreign capital. Based on the variables of GDP, distance, language synergy, border conditions, and the exchange rates of trading countries, hypotheses are proposed regarding the...

With the rapid development of human-computer interaction and Web-based technologies, there are more diverse forms of exhibiting intangible culture heritage in digital. The Brocade Ash Pile is a kind of Chinese acrobatic painting, which carries a deep cultural heritage and was selected as intangible cultural...

Under the social background where risks have become normal, it is of practical significance to study occupational risks for stable social development, sound organization growth and individual self-improvement. This article analyzes connotations and puts forward features of occupational risks by researching...

The usage rate of sucker rod centralizer more and more broad with the development of a sucker rod pump , adding sucker rod centralizer is very effective to reduce the impact of rod and tubing wear, increase the sucker rod and tubing service life, reduce the frequency of maintenance and the production...

Oninron Subject is compulsory for second-semester university students majoring in Japanese language and literature at Andalas University. This subject is categorized as specific linguistic course that discusses the theory of sound in language. This paper focuses on the implementation of Project Based...

The covid-19 pandemic drives education to be shifted from face-to-face to online learning. This condition initiated research, which aim was to find out how the Indonesia Language class was held and students’ response. This type of research uses qualitative research conducted at the University of Borneo...

In order to promote the innovation and entrepreneurship reform of college students in national construction, this paper designs college students’ double-innovation training system based on cloud learning platform and realizes the development of related application platforms. The system adopts java technology...

Image processing has expanded widely with the popularization of AI tools. Indeed, images processed based on AI algorithms have been used to improve many fields such as medicine, education, intelligent surveillance and document processing. In this context, we have developed a system based on deep learning,...

Smart substation is an important foundation and support for the strong smart grid. It is the data collection source of grid running, and also the execution unit of grid command. This article describes the basics of the new generation smart substation, and analyzes the differences between the structures...

Starting from the concept of risk, security risk and security risk management, this paper analyzes the research status of security risk management. Five key links of security risk management are introduced: security risk planning, security risk identification, security risk assessment, security risk...

Student’s academic achievement is a major indicator of teacher’s teaching quality and student’s learning effect. But exam result is not enough to evaluate and predict student’s academic achievement. The factors of prediction should be scientifically selected from the whole teaching process. Based on...

One of the most significant achievements in modern healthcare systems is the release of the IEEE 11073 family of standards, which formalize the compatibility and interoperability of medical devices and external computer systems. However, IEEE 11073 does not define standards and modes of communication...

Low back pain or commonly referred to as LBP is a pain problem that occurs in the lower back area. Pain that persists for three months or more will enter a chronic stage, and if left untreated it can have serious physical and social consequences. After suffering from low back pain, some patients experience...

This study explores the learning experiences of senior high school students in SMAN 1 Kepanjen using ELSA Speak, an application developed by ELSA Corporation that uses speech recognition technology and artificial intelligence to help users improve their pronunciation and accuracy. This study examines...

In this study, the cardinal and purple peanut testa were used as the raw materials for extracting polyphenol substances with ultrasonic and freeze-drying. Then the bacteriostasis and antifungal activities of the extracts were investigated by the methods of disc diffussion and equivalent against the Benzylpenicillin...

Applied fatigue damage mechanics and finite element method to study the fatigue crack initiation life problems of component. Fatigue crack initiation life is obtained by using the method of additional load, just a stiffness matrix calculation, greatly reducing the workload of calculation. With the damage...

Background: In India, it is estimated that ∼16,000 farmers die by suicide each year, and at rates far above those of the general population. This paper reviews much of the literature concerning the factors associated with this crisis. Methods: A literature search was undertaken from multiple databases...

In the practical engineering, high-pressure jet grouting (HPJG) has been widely used for reinforcing the soil mass and preventing seepage in the many different fields. Nozzle is the crucial component for HPJG, its hydraulic characteristics determine the working efficiency of HPJG directly. The bionic...

This paper classifies the People’s Bank of China’s performance auditing indexes into 3E objective indexes and internal control management indexes. objective indexes are used to measure the economy, efficiency, and effect of audited unit’s performance, and we discuss specific internal control indexes...

Android applications are regularly involved with sensitive user information in the contemporary mobile ecosystem and are often regulated by privacy policies that are too long, vague, and incomprehensible to the end-user. Such ambiguity may result in the accidental consent, unauthorized data gathering,...

One of the tasks of adolescent self-development that must be achieved is being able to choose and prepare for a career. However, the lack of provision of information services and the lack of existing media makes students’ understanding of careers limited. Preliminary research data at 3 high schools in...

This paper reviews anomaly detection systems based on machine learning and algorithms for detecting and quantifying various types of defects in robotic assembly lines. Throughout history, the main method in anomaly detection has been human. By 2000, Artificial Intelligence (AI) is used more and more...

Polycystic ovary syndrome (PCOS) is a condition related with genetics, obesity, insulin resistance, and hyperandrogen causes menstrual irregularities, oligo-ovulation or anovulation, infertility, metabolic disorders and others. Obesity has a negative impact on reproductive organs make functional changes...

The large aqueduct has the characteristics of large streamflow, heavy load and complicated structure and so on. Different from the high dams, most of the aqueducts are constructed with the thin-walled concrete structures. When analyzing the structure of the aqueduct, people often only consider that after...

The test study, the use of re-election - flotation processes can be efficiently recover copper, tin, sulfur, comprehensive utilization of resources to achieve the purpose. From ore analysis, the mine oxidation rate, up 43.46%, is a copper oxide; active copper is high, reaching 20.03%; other metals iron,...

This study emphasizes the importance of validity in measurement, particularly predictive and criterion validity, to ensure accurate decision-making in educational selection and non-cognitive assessment. A literature review was conducted examining 1,013 articles from the Scopus, ScienceDirect, Google...

The relocation of the capital city from Jakarta to East Kalimantan has sparked a significant controversy. Environmental damage and threats to flora and fauna are among the major concerns receiving public attention. This study aims to identify how these related issues arise and to map the parties involved...

In the 1940s, Jiuye poets changed the landscape of the poetry at that time with brand new poetic practice. Under the circumstances of internal and external oppression, they opened up new space and persisted in creation, and they still achieved short-term glory. This article combines history and theory,...

To solve the assessment problem of underwater radiated noise under the typical transient condition for ship, time-frequency analysis, FIR filter and high-order static are combined based on the energy computation method of transient signal, and the advantage of each method are utilized to obtain the total...

According to the management network of public opinion on the aging degree and real-time requirement, the algorithm is implemented to extract the classification of network popular university public opinion information, and determine the complex college network public opinion tendency, then find the center...

Science is one of the required subjects for higher education students in primary school teacher education. To effectively teach pupils, it is crucial to provide them with a variety of abilities and a grasp of scientific principles. Distance learning, implemented during the pandemic, makes teachers provide...

This paper presents finite element analysis of 4-layered flexible pavements embedded viscoelastic asphalt concrete (AC) top layer and controlled low-strength materials (CLSM) sublayers as well as graded crushed stone subgrades layers. Two-dimensional deformation assumption is employed. Time-dependent...

This research focused on current situation of the usage of mobile internet of college students in Beijing with a delicately designed questionnaire. We studied the time lengths, frequencies, purposes of mobile internet usage and their physical locations when the users got online besides the Apps most...

Whether the use of learners’ first language should be included or excluded from the EFL class has been discussed by many EFL researchers. However, learners may have different attitudes to the use of L1 in English classes due to their various learning purposes and proficiency levels. Meanwhile, learners’...

Mathematics expressive ability is a necessary ability to learn mathematics and an important carrier throughout mathematics teaching. Based on mathematical core literacy, the cultivation of mathematical expression ability has shown its unique value. It has not only tool value, but also thinking value...

Responsibility for the environment began by large companies and the following by SMEs to jointly reduce the negative impacts caused by economic activities. However, the involvement of SMEs in green public procurement is still a relatively new process, especially for developing countries compared to developed...

The global expansion of cloud computing has accelerated digital innovation but also intensified energy consumption and carbon emissions. This study proposes a conceptual–empirical framework called the Sustainable Cloud Ecosystem (SCE) Model, designed to integrate technological, environmental, and governance...

Landslide is among the most dangerous natural disasters globally, frequently causing a large number of casualties and economic damages. Especially in China, there suffers the largest of deaths in the world [1]. At present, landslide events have been reported increasingly from newspapers, magazines and...

Today, the CDIO engineering education concept has gotten attention widely and use in the field of international education. We describe the content of CDIO vision, syllabus and standards, discuss the content of software engineering personnel training practice teaching system, and propose the Three-dimensional...

This practice is based on the real college English teaching reform carried out in Jiangxi Institute of Fashion Technology. It adopted Production-Oriented Approach (POA), an innovative theory put forward by Wen Qiufang. Aiming to find out how to integrate POA and the institute’s objects of cultivating...

The ecological factors of Linyi City were extracted, using remote sensing and DEM data, and normalized to generate quality evaluation maps of natural ecological environment based on an integrated index method. The results show that the excellent, good, medium and poor classes of Linyi City's natural...

Development of technology and information systems at this time must also be quickly adopted by the hospital as a public facility services. Electronic Medical Record is a system that implemented as an innovation to accelerate services at Ujung Batu Awal Bros Hospital. This study aims to see level of satisfaction...

Although public school teachers considered action research (AR) beneficial to teaching and professional development, data showed that teachers have less access to AR coaching. This research reports the impact of volunteer blended coaching among University of the Philippines Cebu Pahinungod (Volunteerism)...

The rapid proliferation of generative AI tools such as ChatGPT, Google Gemini, and Microsoft Copilot has prompted growing interest in their practical impact on knowledge worker productivity. This paper presents findings from a preliminary exploratory study examining the adoption patterns and perceived...

Background: Electronic Health Record (EHR) systems are digital versions of patient health records that are stored and managed in a computerized format. EHR systems have transformed the way healthcare professionals manage patient data and deliver care. The implementation of EHRs has become increasingly...