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The rules of ozone generation produced by yellow phosphorus and oxygen were carried out by single-factor experiments in this article. The results showed that with fixed yellow phosphorus concentration (2 g L-1) and oxygen volume percentage (10 %), the rate of ozone net generation reaches a maximum of...

The convenience of the network develops a set of network shopping; sellers sell marketing products through net site that is very common. Before the emergence of the network, the electronic data communication has been adopted by some enterprises as a business approach, but the scope of application is...

The manifestation of inflationary processes is directly related to the structure and dynamics of the money supply, as well as its main flows. The growth of the money supply and the velocity and direction of movement of its main streams in the most part due to the functioning of the banking sector as...

Apple’s 2020 Financial Report Apple today announced its 2020 second fiscal quarter financial report. Under the influence of the epidemic, total revenue was 58.3 billion U.S. dollars and net profit was 11.2 billion U.S. dollars. In the same period last year, revenue was US$58 billion and net profit was...

As a representative technique of artificial intelligence, machine learning could explore the relationship between stock market anomalies and excess returns, and hence develop investment strategies with high performance. This paper provides a comparative analysis of machine learning algorithm applications...

With the development of China’s economy, a regional pattern has gradually formed in which the eastern region takes the lead, the western region actively promotes, and the central region speeds up its development. However, there is still a great imbalance in regional development and the regional economic...

With the continuous development and improvement of the domestic stock market, the stock market has emerged such as blue-chip stocks, red-chip stocks, and blue-chip stocks. This paper takes the blue-chip stocks in the A-share market as the research object, selects the blue-chip stocks in the 2015-2017...

Based on the ten classifications of assets, we use different hyperbolic efficiency decreasing parameters and average service life, respectively simulate the age-efficiency function, age-price function and age-depreciation rate function of the ten major asset groups to estimate the net capital stock of...

According to the characteristics of the shell body and the Deformability of 30CrMnSi, the near-net forging technique is obtained by choosing the preforming process, formulating the drawing of cold ironings and the drawing of warm forgings, designing the cold ironing die set and the warm forging die sets....

The background of this research problem is an attempt to prove that literature as collective consciousness product, in this case the Indies Literature, is not an isolated production form, but always influenced by certain power, social and economic system, so it is a discourse that can be used as a tool...

In this paper, we discuss how a manufacturer interacts with his multiple competing retailers to optimize their individual net profits through coordinating pricing and inventory decisions in a two-echelon supply chain. The manufacturer purchases raw materials outside to produce substitutable products...

Multimedia conferencing is increasingly becoming a very important and popular application over Internet. Due to the complexity of asynchronous communications and handle large and dynamically concurrent processes for multimedia conferencing, which confront relevant challenge to achieve sufficient correctness...

The sea as the outermost of the state is in uncertainty due to global warming as a result of increasing carbon emissions into the atmosphere, resulting in melting of polar ice or polar ice melts and changing patterns of seasons and sea level rise as a result of rising temperatures and temperatures Seawater...

For solving some problems such as high operating costs caused by high penetration wind power and insufficient system ramping capacity caused by wind power uncertainty, a cleaning model of spot electric energy market considering improved flexible ramping product is present. The objective function of this...

Mitral valve abnormalities accurate detection is vital for diagnosing cardiovascular diseases. Most of the existing models which includes ResNet and U-Net has shown the exemplary performance in image segmentation process. But still there is a huge requirement in obtaining high precision and recall needed...

This fields experiment research aims to analyze the performance of integrated super-native chicken farms and catfish that are cultivated on the floating net cages (FNC) in the former ponds of the small brick industry in Jambi Province, Indonesia. The results showed that the production performance of...

With the popularity of networking technology, agriculture will gradually shift from a manpower centered, depending on the isolated machinery production mode to the information and software centric mode of production, therefore a variety of automatic and intelligent remote control equipment is used extensively....

This study aims to evaluate the investment in purchasing CT Scan machines at Government Hospital, Government and corporate has a difference s to evaluate their investment Private Hospital, to assess whether the investment is feasible or not can be seen from the financial aspects without ignoring other...

Taxes could be considered as one of the primary sources of an income in a country. Their main function is to finance state expenditures, economic growth, and the welfare of the community. The government wants to boost tax revenue, while companies want to minimize tax payments because, from a company’s...

The New Normal scenario is carried out by considering regional preparedness and the results of the Epidemiology study in the related area. However, the current condition remains a priority for the Ministry of Tourism and Creative Economy (Kemenparekraf) to be able to organize and integrate online and...

The increasing ageing population has become a major global issue impacting developed and developing nations, including Indonesia. This study aims to analyze the demographic determinants of ageing population in Indonesia, specifically examining the effects of total fertility rate (TFR), life expectancy,...

Objectives: Androgen deficiency confers an independent risk for cardiovascular events and total mortality. Hypertension, a major contributory factor to the development of cardiovascular disease (CVD), has been associated with increased prevalence of low testosterone. We investigated whether low androgen...

This paper analyzes the problems of management processes in socio-economic systems using colored Petri nets. The paper offers variants for formation of colored Petri nets. Relying on analysis of the properties of colored Petri nets, the paper offers net modeling algorithms based on direct and inverse...

Providing for the aged is a worldwide topic. As China is the most populous country in the world, its large population base and rapid progress in aging has attracted both the party and the country’s attention. The report of the 19th CPC National Congress put stress on the construction of the social security...

The study discusses the problems associated with substantiating the optimal size of the investment budget. At present, the generally accepted approach is the one that involves a joint analysis of two schedules: of investment opportunities and of marginal cost of capital. This approach assumes that the...

Technological innovation is the only way to maintain sustainable and high quality development in China. In order to further implement the policy of deepening scientific and technological reform, China has promulgated various policies to support innovation to promote the transformation and upgrading of...

This study mainly uses artificial intelligence and machine learning technology to build stock selection models to help investors choose stocks reasonably. In this paper, six machine learning models were constructed for comparison and backtesting based on the framework of the machine learning stock selection....

In today’s society, the expansion of industrialization has increased energy consumption and pollution. Global climate change is intensifying. In this context, to control global warming and environmental pollution, net zero and carbon management are being taken seriously by the international community...

The purpose of this study is to study the impact of financial technology or fintech on net interest margin (NIM) using ownership structure as a moderating variable. The method uses a quantitative method. The results include that fintech adoption has a significant negative effect on NIM, ownership structure...

The aquaculture and marine sectors are important for the economy of South Kalimantan Province with fish farming in cages as one of the contributing factors. However, the practices associated with floating net cages in the rivers of the Banjarmasin City have polluted the environment, much of which was...

In recent years, BIM research has significantly influenced the economic planning of smart cities globally. With advancements in big data, the Internet of Things, and other emerging technologies, BIM technology, has evolved, and CIM based on BIM has become crucial in urban construction. However, managing...

In this paper, the model based on Petri Nets about maintenance and support of military aviation equipment is researched. And this paper analyzes its process and puts forward a simulation model based on Petri net. This model not only considers most factors in the process, but also appends other elements...

The impact of financial liberalization on economic growth has two sides. On the one hand, financial liberalization promotes the development of finance, which promotes the economic growth. On the other hand, financial liberalization aggravates the financial fragility, which is more likely to cause the...

The goals of this research are to examine the trading pattern and performance of stock before and after suspension in the Indonesia Stock Exchange. The research data used in this research are stock listed in suspension and unsuspension announcement from January 2016 to December 2017. The trading pattern...

The diversity, complexity, and particularity of PPP projects put forward higher requirements for financial evaluation. To make more accurate financial evaluation, this paper uses Monte Carlo simulation method to establish the risk evaluation model of rural infrastructure PPP project, based on the internal...

With the rapid development of transportation, we are entering the era of large population distribution. Thus, how to optimize the passenger throughput at an airport security checkpoint has become a universal concern. This paper first builds up a Petri Net model which is based on random Generalized Stochastic...

Considering the acceleration effect of sloping terrain on wind field, the wind load characteristics of single column three-sided billboard under sloping terrain are studied based on CFD numerical simulation and fluid-solid coupling method. Firstly, the flow field and surface wind pressure characteristics...

A space in an organization is necessary to minimize the structural uncertainty of the virtual world and recognize its value. In this paper, a structural problem is viewed as an inconsistent and random probabilistic event occured in an institutional framework based on the society culture that is conditioned....

Based on the requirements and characteristics of the cultivation of applied technical talents, this paper studies and explores contemporary advanced educational concepts and teaching methods, finds the practical entry point and design integration point for the transformation and development of applied...

Online payment is becoming a practical alternative payment option in the Covid-19 pandemic because it reduces physical contact and the risk of coronavirus transmission. This research aims at analyzing the success of digital payment services using the Delone & McLean model with a Go-pay as a case...

Neural Networks have been performing state of the art for almost a decade now; when it comes to classification and prediction domains. Within last few years, neural networks have been improved tremendously and their performance is even better than humans in some domains, e.g. AlphaGo vs Lee Sedol and...

PT. Jakarta Propertindo (PT Jakpro) as one of the Region-Owned Enterprise (BUMD) of Jakarta Province was selected by the Governor of DKI Jakarta to handle the project of Jakarta International Stadium (JIS) construction. The construction of the JIS is expected to be conducted in three years from 2019...

A network society can easily produce, share, broadcast, capture, and record information through digital devices. The emergence of such a society has widespread implications. The traditional, one-way mass communication model is gradually becoming defunct because television media, must adopt the new media...

The objective of this study is to determine the feasibility of an investment in a drinking water supply system (SPAM) project in Gresik. Investment feasibility research is research into whether or not an investment project is feasible. The methodology used in this study there are three methods, namely:...

By analyzing the key financial information in the enterprise balance sheet, income statement and cash flow statement, and combined with the specific strategies introduced by Huawei, the financial situation of Huawei in different periods is studied. Huawei All the way to development, the financial indicators...

Considering the rapid expansion of Internet finance, governments and regulatory authorities across various nations have implemented new policies to regulate the development of this burgeoning sector while mitigating potential systemic risks. These policies foster financial innovation, ensure stability,...

The most common cause of cancer in women is breast cancer. Early detection and detection is the most important and effective way to slow the spread of cancer. Currently, mammography is the imaging modality for early detection and detection of breast cancer. Classifying masses in mammography is still...

In the area of Business process mining, there are many methods are available to discover process models from event logs. A new process mining method is proposed based on model merged. Firstly, sub-models are established respectively according to the behavioral profiles of each event log. Then finding...

This study aims to break through the limitations of traditional research and single variable, and systematically explore the spatial and temporal distribution of new quality productivity and its spatial network structure from the perspective of relationship. The findings reveal an "expansion–reconstruction–optimization"...

In order to further improve the equity financing efficiency of listed companies in strategic emerging industries, this paper selects relevant data of 208 listed companies in strategic emerging industries from 2014 to 2018, and calculates the changes in scale efficiency, pure technical efficiency and...