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At the beginning of 2020, Covid-19 swept the world and caused serious damage to the economic development of the United States. The U.S. economy is in its worst recession since the Great Depression. Now, with the help of Pfizer, Johnson & Johnson and Modena vaccines, people’s lives have mostly returned...

This article is about how COVID-19 has affected the pricing of bonds and how is the YTM of a bondable impacts the bond when it is issued into the open market. Furthermore, this paper discussed the liquidity impact in terms of how old bonds behave compare of how old bonds behave compared to newly issued...

With the rapid development of high-speed railway technology, more and more countries enjoy the convenience which travels with high speed train.Most of the high speed train running on the railway use distributed power technology, the converter on the train get power from traction network to supply the...

With the development of internet technology and the advancement of globalization, it has become normal for people from different cultural backgrounds to communicate with each other through the internet. In this context, the number of “foreign online celebrities” has gradually increased, and the content...

Dynamic Spectrum Access (DSA) is supposed to be the key technology to improve wireless communication. And at the other hand, Transport Control Protocol (TCP) will be used in DSA networks, considering it's the de-facto standard in wired communication and also has been widely deployed in wireless networks....

College major and job satisfaction are both known predictors. However, how aligned the between college major and current occupation may have an impact on life satisfaction and has been understudied in the past literature. To provide ore insights for graduating students during such transferring stage,...

The design of concrete structures used in nuclear power plants should be suitable to protect against accidents caused by different factors, one of them being temperature. Stress due to temperature can be classified as a secondary stress, which is different from the primary stress caused by an external...

This study investigated the regional dialect shift experienced by Tulungagung college students studying in Surabaya. The objectives of this study are to find out the different regional dialects between Tulungagung and Surabaya, the factors causing the students to experience dialect shift, the process...

Earthquake-proof buildings are earthquake disaster mitigation priority work. Earthquake building structure may be determined, according to the design response spectrum method for determining been widely used in seismic design of buildings structures. In this paper, the structure should be designed to...

Tradition, anything place that has a distinct identity, should be studied history locally. The complex environment, such as a small town or village, an agricultural or agricultural community, or even an entire city or region, is the subject of local history. Because this research must hunt for facts...

Dilatometry is one of the most popular methods for the study of high temperature physical properties of steel and thermal expansion is considered to be an important factor concerning on the crack formation during casting and rolling for pipeline steel. In the present study, dilatometric curve of X60...

The economy is relevant to the quality of people’s daily life. As one of the components of the economy, the development of the enterprise is the main factor affecting the economy, and the positive leadership style and business model can affect the development of the company. The author chose a company...

This paper is to establish the finite element model (FEM) of atlantoaxial joint (AAJ) with vertebral artery (VA), and then have a clinical traction simulation, in order to observe the stress distribution and characteristics of AAJ and VA. CTA data of head and neck in 10 cases were used as the study objects...

In these decades, games have been a part of our life. Since it was created, it has always attracted people to spend time on it. This paper discussed how game addiction harms teenagers and the factors that may cause teenagers to addict to it. Games have already affected both teenagers’ academic performance,...

As the development of electric equipment and distributed control system, the application of the distributed high-efficient system is everywhere. Being with many advantages such as environmental protection and so on, electric heating has been promoted actively in some places. As far as public buildings...

Most of routing protocols are designed based on omni-antennas. The existing routing protocols with omni-antennas show good performances on adhoc ground network. For some other applications, such as inter-satellite communications, directional antennas are a better choice because directional antennas have...

The purpose of this paper is to find the strategy to cope with depression during Covid- 19 pandemic, the factors affecting depression during Covid-19 pandemic and the government efforts in solving this issue. This is done by using the qualitative method which is literature reviews with articles and journals...

As environment degradation has caught more and more public attentions, many studies have shown the severe health impacts that air pollution may cause to the general public. Various studies have made efforts using remote sensing technology to study environmental pollution. Concerns of Particle Matter...

This study aimed to provide a comprehensive understanding of the schizophreniform disorder. This study clarifies the differences and connections between schizophreniform disorder, schizophrenia disorder, and schizoaffective disorder. The difference between them may be the difference in the period of...

State sovereignty is a world law thought that is absolute, indivisible, and inalienable. Therefore, international cooperation altogether forms ought to apply this primary thought. Conversely, international agreements within the Regional Comprehensive Economic Partnership (RCEP) framework appear to override...

This study selects a representative communication platform, Bilibili, and a sample case, YChina, to analyse the relationship between cultural opinion leaders and cross-cultural communication on the Internet under theories of “the other” and “use and satisfaction”. Firstly, the videos of YChina are divided...

On May 31, 2021, the Political Bureau of the CPC Central Committee held a meeting and discussed ‘Optimizing the Family Planning Policy to Promote the Long-term Balanced Development of Population’. In order to optimize the family planning policy, a couple can have three children now, and supporting measures...

This paper examines a query upon the GameStop Phenomenon. In the work, the reasons of why the short squeeze occurred and the fluctuations varied dramatically are explained. Due to the uncertainty of the factors leading to the shorting of GME stocks, it may violate the efficient market hypothesis, also...

In order to protect the right to know of citizens, legal persons and other organizations better and improve the transparency of the work of government departments, citizens, legal persons and other organizations may apply to the relevant departments for access to relevant information in accordance with...

Similarity method is the key of the user-based collaborative filtering recommend algorithm. The traditional similarity measures, which cosine similarity, adjusted cosine similarity and Pearson correlation similarity are included, have some advantages such as simple, easy and fast, but with the sparse...

COVID-19 pandemic has spread throughout the world and has become the main cause of health problems and global threats. To assist limiting the spread of the disease, many people throughout the world are being asked to stay at home and avoid interaction with other people. Places where people regularly...

The purpose of this study is to figure out what percentage of each stock should be in the optimal portfolio and minimal risk portfolio created by Markowitz Model and Sharpe’s Single Index Model and to make a comparison of the portfolio model, as well as the return and risk differences between Markowitz...

Aiming at the difficulty in X ray diagnosis for the sacroiliac joint’s subluxation, the sacroiliac joint images for a patient’s physiological state and pathological state are analyzed in this paper. We find that the image of the iliac pro-up shift 7mm is similar to that of the pelvic rotation 10º around...

The design and simulation of a small quad-band microstrip antenna for WLAN (2.4 GHz and 5.2 GHz) and WiMAX (3.5 GHz and 5.8 GHz) applications are shown in this work. The antenna may achieve four resonant frequencies thanks to its rectangular patch, two symmetrical L-shaped stubs, and defective ground...

With the continuous development of Internet and rich resources emerging on the Web, information retrieval based on XML has emerged; the similarity of documents is the basis of information retrieval. A new method SC-Similarity is proposed to compute similarity of XML documents from structure and content...

Samples of pure phase CuAlO2 and transition metal element Fe doped were synthesized by solid phase sintered method. The phase structure, optical properties and miscellaneous phase formation mechanism were characterized by X-ray diffraction (XRD) and Infrared Spectroscopy (IR) respectively. The results...

As people's income level rises and the changes of consumer consciousness, the number of insurance product is increasing, the public enthusiasm for buying insurance is higher and higher, as a result the insurance industry is developing rapidly. At the same time, policymakers should notice when gaining...

Fishery, also known as the “aquatic industry”, refers to the production sector that obtains economically valuable fish or other aquatic animals and plants from the water. It includes the aquatic fishing industry that collects aquatic animals and plants resources from the water and the aquaculture industry...

A stochastic reliability model of the drum system of a hang type centrifuge drum is presented using stochastic reliability theory, where the stochastic reliability index and invalid probability of the drum system are determined by checking point algorithm and the system functional functions are built...

Currently, due to the shortage of land resources, the resource development technology increasingly competitive among countries in the world. Our country is also committed to the development and utilization of marine resources in recent years. When working in the deep sea ,underwater exploration devices...

Node localization is an important supporting technique in wireless sensor networks (WSNs). The traditional maximum likelihood estimation localization method (MLE) assumes that measurement errors are independent of the distance between anchor node and target node. However, the assumption may contradict...

With the rapid development of digital technology, all areas of society may accelerate their entry into the virtual world, thus blurring the boundary between the physical and digital worlds and promoting a Metaverse. The Metaverse will become an important public infrastructure. This paper first introduces...

Present edge detection algorithms are sensitive to noises, they may not get ideal effects on image edge detections and results in unclear image edges. To overcome these shortages, a new edge detection model based on the image edge detection method of Sobel operator and theory of fractional differential...

Spraying microcapsules with polymeric shell onto a solid wall may be a way to fabricate multilayer films. Better understanding of the deformation and breakup of the microcapsule under spraying is of great importance for developing this technique. A two-phase finite element model was developed using the...

Numerous studies have shown that music may have an emotional and spiritual influence on humans, and there are many studies further exploring this field these days. Sound has already been used in hospitals and institutions for a long time. Music and music therapy, dating back to the start of human civilization,...

The COVID-19 epidemic has had an impact on every aspect of human life, including the physical environment. The efforts required to stop the virus from spreading and the resulting halt in economic activity have had a substantial impact on the environment. Hence, this study intends to explore the positive...

In this paper, we will establish a Comprehensive evaluation model[1] of taxi resources, based on TOPSIS method. In the model, we consider several indexes: taxi no-load ratio. First, we analyzed the changing curve of each index in different time and space in Nanjing City. Then, the weight coefficient...

In the era of low-carbon economy, the traditional electric power industry will be confronted with tremendous changes on its external environment and internal developing model. The electric power industry should also pay closer attention to low-carbon, energy–saving as well as the emission of the CO2,...

In this study, the efficacy of classroom instruction and learning in pandemic caused by COVID 19 is investigated. Using infographics as a teaching and learning tool in post-pandemic COVID 19 education is a method that is addressed and is the emphasis of the method. The issues of students not showing...

Psychotic patients are people with abnormal mental activities who suffer from brain dysfunction caused by various external harmful factors. It is manifested in multiple degrees of obstacles in perception, thinking, attention, memory, emotion, behavior, willpower, and consciousness. People with mental...

The purpose of this research is to examine whether 1)ODL experience may affect DASS 42 test for analysing psychological condition of the students 2) level of satisfaction of students towards learning is affected by type of learning, 3) emotional disturbance students with different learning types. Sample...

This article mainly analyses whether its benefits outweigh its harms or whether its harms outweigh its benefits. It reviews the literature from the two aspects of conditionality and IMF’s internal defects. It concludes that from the perspective of conditionality, the conditions put forward by the IMF...

This paper discusses the basic ideas on music aesthetic education research, analyzes its achievements and shortcomings, summarizes the conclusion that instrumental teaching may improve music aesthetic education, and further supports this point of view by introducing the psychology theory of embodied...

Due to the establishment of current maritime satellite communication link is often used communication on the move system, but it often does not apply to the offshore mobile small platform, and the current research in this area is less. This article first on the basis of dynamic simulation of the motion...

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...