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Effects of silt particles with various mean diameters on cavitation development in the nozzle were numerically investigated. The diameters were 0.0015 mm, 0.0035 mm, and 0.0055 mm, respectively. Results clearly indicated that vapor contents in silt particle-water cavitation flow were greater than that...

As a superconducting radio-frequency (SRF) cavity is a thin-shell structure with several thin bellows to bridge to its cryostat, any external excitation readily induces oscillations. The operation of a SRF module becomes unstable when the RF resonant frequency varies, due to mechanical vibrations, to...

Vibratory feeding plays a key role in assembly automation. However, there is still no effective professional instrument to explain and demonstrate the principle of the parts conveying. Thus an innovative vibratory feeding system for teaching purpose is designed in this paper, which includes the demo...

Cultural heritage, which has cultural and historical value, is important and plays an important role in human society. In recent years, many challenges have effect the protection pf cultural heritage. New pressures were brought by rapid urban expansion and frequent natural disasters to heritage conservation....

The shaping of the rural cultural tourism brand is an important way for the development of the rural tourism industry, and it is also an important measure for the implementation of rural revitalization. Taking Haiqing Tea in Qingdao Haiqing Town as a case, this paper constructs an evaluation model for...

Research on owner's claims is insufficient in constructive engineering field, the composition and calculation way of the delay compensation is still not clear. Firstly, make definition of the delay compensation and its character. Secondly, analyze the reasons of delay, make specific division on the composition...

With the extensive applying of long periodic table, the definition of historical transition elements has become styles nowadays from narrow to wide .How ever there are three methods to define transition elements and several sorts of classifying items .It is very important to unify its definition and...

With the capital market being increasingly open, people’s living standards are being improved day by day. A large amount of capital enters the market, and people’s cognition and demand for investment are becoming more and more urgent. In this context, choosing a scientific method of enterprise value...

This paper deeply explores the ideological and political education of electromagnetic spectrum sensing courses, elaborates on the connotation and characteristics of ideological and political education in courses, and explores the ideological and political elements in courses. The goals of ideological...

A river water quality model under a coupling effect of reclaimed water recharge and inner source release is constructed based on a one-dimensional steady river water quality model. In order to solve problems that triangular fuzzy numbers are not suitable for data sets having flat representation and no...

The Programmed Cell Death 1 (PD-1)/Programmed Death Ligand 1 (PD-L1) Immune Checkpoint Inhibitors (ICIs), have become a hot spot in the field of cancer research and treatment, and bring new hope to patients with advanced tumors. But, in addition to enhancing the anti-tumor effect of T cells, PD-1/PD-L1...

This study investigated whether the relative use of primary and secondary control varies as a function of cultural difference. It is posited that people who are under the influence of Asian, collectivist culture will be oriented toward secondary control than primary control, but vice versa for those...

This article explores the dynamic evolution of art history and its profound impact on cultural creative arts, examining various art movements, key figures, and pivotal artworks. We aim to understand how art has been both shaped by and has shaped cultural and historical contexts, highlighting the role...

Code generation belongs to the backend of parallelizing compiler, and is for generating efficient computation and communication code for the target parallel computing system. Traditional research resolve array redistribution mainly by generating communication code that each processor sends all data defined...

Through the decomposition of the elements of innovation and entrepreneurship culture environment in universities, measurement tables are formed. Based on the survey data, the entropy value is used to comprehensively measure the innovation and entrepreneurship culture environment of universities. It is...

It has become an irreversible trend in the global economy for enterprises to shift from the factor-driven development pattern to the innovation-driven development pattern in recent years. The hi-tech industry is characterized by frequent updates and rapid changes and is demanding in respect of independent...

This paper aims to solve the problems of Chinese commercial films in three aspects: organizational structure, content production and producer's ability. And will use the comparative analysis method, and Hollywood commercial film production process for comparison. Using case analysis method, this paper...

The study estimated interns’ job involvement and tested its impact on job burnout, job performance, and intention to stay with 395 Taiwan technology university students in the off-campus hospitality internship. The structural equation model rejected the null hypothesis that interns’ job involvement negatively...

Based on the relevant statistical data of tourism and agricultural development in Guangdong Province from 2010 to 2019, this paper constructs the index weight coefficient and coupling coordination degree model of agriculture and tourism, and analyzes the changes of the coupling coordination relationship...

In this paper, the time domain collocation method (TDC) is applied to solve the van der Pol equation. The results obtained by the TDC are compared with the results by the traditional harmonic balance method (HB) and high dimensional harmonic balance method (HDHB). For the extended TDC method, appropriately...

This study intends to quantify the energy consumption and environmental emissions in the entire life cycle of a scroll compressor produced in a Chinese factory and to determine the stage with the largest environmental impact. The results show that energy consumption, CO2 and dust are three predominant...

Vibratory feeder, thanks to its excellent material storage, workpiece orientation and continuous feeding characteristics, is widely used in industrial automation. Since its versatility is not strong, orienting mechanism needs to be designed for different workpieces, which often cannot meet today's rapidly...

Low speed skid resistance measurement is of great significance to analyse the actual causes of insufficient friction of pavement, and to formulate appropriate maintaining measures. At present, the British Pendulum Tester (BPT) and Dynamic Friction Tester (DFT) are commonly used to measure the low-speed...

The employment issues in resource-exhausted cities are social issues faced by various countries in the world in the process of industrialization, and improving the level of employment service is the key for solving the unemployment problem in resource-exhausted cities. This paper adopts the comparative...

The Sm-ZrO2-ZnO catalyst prepared by hydrothermal method is proved to be superior in stably photocatalytic degradation of Rhodamine-B under simulant solar light irradiation. Sm doping improves the ultraviolet and visible light absorbance. Composition of ZnO with ZrO2 leads to enhancement of ultraviolet...

Accompanying with many flexible AC transmission system(FACTS) devices put into operation, the safety and reliability of power system operation have been suffering more serious influence and unprecedented challenge. Moreover, it's always difficult to comprehensively and accurately analyze the impacts...

At present, the functions of outdoor fitness facilities are single, and the modeling is stiff and bulky, so the user experience is very boring. The interaction design can not only enhance interaction between fitness facilities and persons, which add lively and interesting experience to users, but also...

The paper first studies the convergence of learning groups and knowledge management, pointing out that learning is process of knowledge production, and the existent knowledge has influence on future learning. The relationship between Learning and knowledge is interlaced and promoted. As the similarities...

Little attention is paid to the factorial structure of (the Center for Epidemiological Studies Depression Scale, CES-D) among Chinese older adults. This study examined the latent structure of the short-form and full scale CES-D in older adults in China. A sample of 3770 older adults aged over 65 was...

In order to improve product quality, it is necessary to summarize, analyze and resolve problems. This paper gives a concept of Problem model, which is essentially the use of Knowledge Discovery in Database(KDD) process. The Problem model derived from problem analysis and summarizing can find problems...

A Physics textbook is composed of numerous physics terminologies which are organized to form new concepts of physics. For the purpose of understanding the global organization of the science-knowledge system in science textbooks, we analyzed the binary network of science textbooks, where the pair appearance...

Recombinant follicle stimulating hormone(rFSH), which play an important role in assisted reproductive technologies. However, the availability of a suitable system for the screening high production cell lines from transfected mammal cells for the production of rFSH is limited. The purpose of this study...

The automatic feeding device occupies the irreplaceable position in the development of industrial automation. An automatic feeding device is often required to convey parts to complete a series of processes in a modern production line. But the traditional automatic feeding device has problems of large...

Phenols represent one of the most important classes of environmental chemicals. Most of them may cause serious public health and environmental problems. The present work is to develop an effective QSTR model for acute toxicity, a toxicological endpoint of Phenols. We calculated various descriptors and...

To enhance the effectiveness of on-the-job training, we discuss the advantages of PPT courseware combined with narration and inserted textbook file at the preparation stage, teaching stage, review stage, study based on actual work demands and subsequent improvement stage, as well as its advantages in...

A wireless mouse based on head control is proposed to control the moving direction of computer cursor by sensing the titling direction of user’s head. This kind of operational approach make the non-arm disabled using computers realized. The direction induction module is used to sense the tilting of four...

The goaf under the transmission line is prone to natural disasters such as surface subsidence and uneven surface subsidence, which poses a great threat to the surface power facilities. The effective exploration and evaluation of goaf can greatly reduce the probability of occurrence of accidents. The...

Financial technology (fintech), or digital innovations in the financial sector, is expected to enhance access to financial services and promote innovations for more inclusive and sustainable futures. To provide an up-to-date discussion on FinTech, the paper aims to map out the main countries, publications,...

The HTP test is mainly used to assess the relationship between the characters and the environment, and can explore personality traits, interpersonal characteristics, self-cognition and their emotional state. This study analyzed the psychological state of han and tibetan freshmen through htp test, aiming...

With the advent of the 5G era, the digital application of big data technology has become the future development direction of various industries. The integration of digital and fashion has changed all aspects of the fashion industry from design, manufacturing to sales, and brought revolutionary changes....

The national development and reform in 2021 issued a notice (the development and reform office price 809), the establishment of the power grid enterprise agent purchasing mechanism, which marks the overall acceleration of the process of electricity market, power grid companies in the market positioning...

Secure two-party computation is always the focus in the international cryptographic community, and establishing a secure two-party computation for determining the equality of data is a fundamental and crucial task within this field. There is still substantial room for improvement in terms of efficiency...

The objective of this article is to reveal the evolution of the investment portfolio establishment approach. The evolution from the diversification effect, whose primary goal is to minimize risk, to the use of the Markowitz model to find the portfolio with the highest return per risk, to finally taking...

In recent years, the construction of a unified power market in the southern region has been accelerating. In the context of the energy transition and dual-carbon goals, China has carried out relevant research work on the key mechanism of the unified power market in the southern region that meets the...

Motors are required to possess the capacity to deal with sudden failure in the occasion where reliability are highly required, such as aerospace, more-electric aircraft, all-electric ship propelling and new energy automobile. In other words, motors should keep working for some time instead of shutting...

Sepsis is a life-threatening organ dysfunction caused by a deregulated host response to infection, and is the most common cause of death in the intensive care unit. Although the pathogenesis of sepsis has made substantial progress, the current clinical treatment of sepsis is basically symptomatic treatment,...

Today, information literacy has become one of the essential qualities of every citizen. However, the college entrance examination system in China determines the information technology curriculum in primary and secondary schools in the lower position, which makes the information literacy training of students...

The electronic toll collection system is an important part of the intelligent transportation system. The microstrip antenna is the bridge between the OBU and RSU when they exchange information. This paper introduces the microstrip antenna’s theory and simulation. The microstrip antenna’s structure is...

The laws and regulations issued by our government, to a certain extent, ensure the authenticity and completeness of the internal control information of listed companies. And promote the listed companies developing and implementing a sound and effective internal control system, thus avoiding the occurrence...

Wireless sensor nodes have the advantage of being low-cost easily deployed and of good mobility. However, the significantly high attenuation caused by soil is the main challenge for the communication of between the aboveground node and the underground node. In this paper, experimental measurements have...