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In the last decade, complex systems in the form of network structures have become a popular research topic. Various biological, technological, transportation, social, and many others, have been modelled and analyzed as complex networks. In recent years, stakeholders of rural development have played a...

Net present value (NPV) and internal rate of return (IRR) are two popular capital budgeting techniques in the modern economy. Almost all finance textbooks included these two concepts. The paper presents a review of NPV and IRR from the following perspectives and aims to provide a general understanding...

Hecai is a place name of Juye county in history which had been existing for more than 900 years from Hecai Town in Song Dynasty to Hecai Li in Jin and Yuan Dynasties and to Hecai Bao in Ming and Qing Dynasties. Through the carding and analysis of the reference, it can be determined that the respective...

Melatonin (N-acetyl-5-methoxytryptamine) in plants is to act as an antioxidant providing protection against environmental agents. In our study, we used different concentration of melatonin (control, 50 μM, 100 μM and 200 μM) to investigate the effect of melatonin on antioxidant system under low light....

Melatonin (N-acetyl-5-methoxytryptamine) is a low-molecular-weight molecule having an indole ring structure and considered as the best antioxidant substances. However, the role of melatonin in low light stress remains unknown. Our study investigated the possible role of melatonin on secondary metabolite...

The design and analysis of an Ultra-Wideband (UWB) microstrip patch antenna with a modified inset feed and a semi-circular slot that is optimized for wireless communication are investigated in this research. With a large bandwidth spanning from 1.7 GHz to 9.69 GHz and resonance at 4 GHz, the suggested...

Melatonin is a ubiquitous indol molecule and has powerful functions in relieving abiotic stress responses. In our study, we used the kiwifruit seedlings as the materials and investigated the efficiency of different concentration melatonin (50 μM, 100 μM and 200 μM) on protect photosynthesis compared...

In this paper, by using the method of questionnaire, teaching experiment logical analysis and mathematical statistics, the process evaluation of our 4 Boys Junior tennis classes was studied. The experimental results show that, the process of evaluation in the teaching of tennis transfer from the focus...

Series technologies in slag-stopping like “Infrared test for slag-roughing”, “sliding plate in pushing off slag” and the optimization of floating plug have been introduced in this paper. The system operated steadily after install and trial run, have played a good metallurgy effect, and the amount of...

In this study, 17 kinds of vegetables were selected to make a contrast test ina nutrient solution cultured under the condition of 50 mg/L Ce pollution. Lactuca Sativa L., a low enrichment and normal growth, was selected by soil experiment to analyze the accumulation of Ce and its physiological and biochemical...

This paper mainly uses the methods of acoustics and speech aerodynamics to study the vowels and vowels of Xiahe dialect, and establishes the vowel pronunciation model of Xiahe dialect. Some praat script programs are used to extract the formants of vowels and draw the vowel ellipses of Xiahe dialect....

With the rapid development of Internet and computer technology, modern education based on the Internet as main means has become the trend of the development of the education today. Although the domestic English testing system gains more and more attention but most universities and colleges’ equipment...

The tourism industry around the world including Indonesia is facing significant challenges due to the COVID-19 pandemic. The declining number of tourists and the number of tourist sites that had to be closed during the pandemic were the major factors why the tourism industry had become so volatile over...

Anaerobic degradation of the polyethylene glycol 400(PEG400) was studied. The effect of concentration was respectively assessed on the anaerobic bio-degradation of PEG400, using the organic model wastewater containing the 1.0% and 0.5% PEG400. The result showed that: the TOC(Total Organic Carbon) and...

With its basis on discrete points, pressure nephogram is widely used in safety supervision of coal mine. This essay, with the analysis of the problem of the missing "triangular" in the Bowyer-Watson's algorithm, studies and designs a points-adjacent vertex-triangular-based triangulated algorithm, whose...

In the era of knowledge economy, knowledge management has been recognized as an important means to enhance the competitiveness of enterprises, and the access control of enterprise knowledge is a main mechanism of information system security. In this article, through analyzing the type of enterprise knowledge,...

With the rapid development of the campus network date and high-availability, security requirements, the data backup and disaster recovery technology has been widely used, and this technology has become a key aspect of campus IT infrastructure. This paper analyzed the date backup technology, and proposed...

Value investment requires investors to hold the suitable company stock at the right price to achieve a certain profit purpose. Scholars all over the world are enthusiastic about studying it. In this study, linear regression was used as the primary method and use P/E, P/B, ROE, ROA, EPS, debt-to-asset...

The increasing number of TikTok application users in adolescents in Indonesia will certainly affect one of the stages of child development, namely related to child behavior. Many bullying behaviors occur in schools, including in elementary schools. Bullying is an act of violence experienced by someone....

Brine water based drilling fluids have advantages on protecting reservoir and stabilizing well hole, meanwhile, it also have some defects such as low lubricity and strong corrosivity, especially the low lubricity have already become an important problem demanding prompt solution. Focusing on the problem,...

Based on the data of the sixth nationwide census, considering the background of the implementation of the universal two-child policy, the inter-provincial population size and the inter-provincial population flow scale are predicted. According to the population data in 2010 and 2020, the evolution of...

Effect of alloying techniques of dollop-like yttrium, as-cast and extruded Mg-Y master alloy in AZ91D magnesium alloy on microstructure and the efficiency of alloying was studied by optical microscopy, scanning electron microscopy, XRD and inductively-coupled plasma (ICP) spectroscopy. The as-cast AZ91D-1.2wt.%Y...

With the development of network information technology and multimedia technology, require Web sites with convenient, fast and efficient features, interactive website built into the current research focus. The use of interactive, resource sharing, this paper describes the development of interactive multimedia...

The repeated movement between the piston rod and the barrel during the process of cylinder impact will lead to leak and shorten the life of the cylinder. In order to research the distribution of dynamic stress and deformation of the piston rod and the bush when the piston rod suddenly stops at the end...

Multimedia technology is to point to by computer to text, data, graphics, images, animation, sound and other media information integrated processing, the user can through a variety of sensory real-time information interaction with the computer technology. Japanese multimedia hearing system is designed...

Sensitivity analysis is often used in investment decision-making to evaluate the risk under uncertainty. However, sensitivity analysis on the NPV method is seldom studied in the existing literature. This paper studied how sensitivity analysis could complement the NPV rules in investment decisions when...

The paper mainly introduce the intelligent network teaching platform designed and implemented by university computer foundation course network learning platform oriented to language c # and based on NET structure, which is connected with ASP.NET technology and ADO.NET technology. This network learning...

Electrolytic codeposition technique was adopted in the deposition of NiCo-SiC coating on the stainless substrate, using nickel alloyed with iron as the binder phase with SiC as dispersed particles. The results indicated that the deposit with SiC nanoparticles was level and compact; the crystal-planes...

With the great-leap-forward development of credit card, risk is also showing a trend of gradual expansion. Based on pre-control methods of damage control and Visual Basic .NET, the paper designs and implements credit card risk control system to provide information means for credit card risk control....

Aimed at the bottom of the oil field water flooding, the upper for low permeability thin poor reservoirs developed blocks. If poor vertical wells encryption mining benefit, using horizontal well development of the economic benefit is remarkable. Through the establishment of three-dimensional geological...

A new binder system was developed to produce Magnesia-Carbon matreials in a cold batch process. The binder system comprises a liquid carbores and a high-melting carbores powder. Both components are graphitizable thus leading to an anisotropic carbon system resistant to spalling and oxidation. The system...

The proposed system presents an automated vehicle detection and identification system using Arduino UNO microcontroller, infrared (IR) sensors, and an RFID reader. With traffic congestion projected to increase by 50% over the next decade, efficient management solutions are essential. This system employs...

The independent smoke detector play a very important role in the prevention and control of fire. Combine BIM technology with GIS technology to improve the level of emergency services and fire control, reduce fire risk, improve the depth of 3D information technology and the ability of fire warning. Firstly,...

Pandora’s main products include beadings, bracelets, necklaces and earrings. It was founded in Copenhagen in 1982 by Danish goldsmith Per Enevoldsen and his wife Winnie. In 1987, the factory was established in Thailand. In 1989, designer Lisbethlarsen joined and designed iconic beaded products. In 2020,...

The U.S. and China are both competing in several fields for chasing the world’s top chair. This paper will demonstrate the protectionism impact utilized by the U.S. on China and Huawei based on case study approach. To be specific, the study made a review on protectionism theory based on U.S.’s policy....

In this paper, the static compression overall performance of molded pulp under different temperature were studied by experiments. The moisture content and elastic modulus of molded pulp materials , the static compression on molded pulp products were studied under the temperature of 5 C,23 C,40 C.And...

Although the Intergovernmental Panel on Climate Change (IPCC) suggests that the net damage costs of climate change towards countries are likely to be significant, it remains a challenge in evaluating a country’s fragility and measuring the impact of climate change, in a less-subjective manner, since...

In order to find out whether Automated Writing Evaluation exemplified by Juku Correcting Net is reliable and valid and able to improve students’ writing ability, the author compares it with teachers’ feedbacks by analyzing students’ samples and pre-test as well as post-test writing scores. The results...

Aimed at the design of non pressure-accumulated and handheld fire extinguishing bomb, the rules of the influence of structure on jet performance were studied by the method of equivalent diameter and distance. The factors such as diameter of the burning area of gas-generating agents, length-to-diameter...

Both Russian and foreign studies show persistent attention to the question of correlation between demographic and socioeconomic factors, among which the growing social inequality in income occupies a significant place. The problem of leveling social stratification is especially notable for the Far East...

Inspired by the Industry Competency Model and the O*NET, this article reviewed the development process of occupation competency assessment in China, analyzed survey results of 83 teachers and 120 students, and found out that the existing assessment system is not open, informative, intelligent, and dynamic...

Since the Japan's A.NISHI designs a wall-climbing robots prototype which based on the principle of negative pressure in 1966, wall-climbing robots technology has been rapid development in the world. No matter from the aspects of adsorption methods, movement forms or application ways have made considerable...

Warehouse Club is a form of retail where goods are sold and stored in one space. General merchandise retailers offer a limited range of goods and fewer services at lower prices to end consumers and small businesses. The Warehouse Club is not new. It has been in the United States for nearly 50 years....

The research aims to measure the business sustainability of Qi_Pastry Cake Shop through the evaluation of non-financial and financial factors. Feasibility analysis involves evaluating non-financial aspects such as production and marketing in an application. The analytical tools applied for financial...

In recent years, with the degree of the aged phenomenon becoming more serious, the nursing homes are developing rapidly, the scale is expanding and the management also tends to intelligent gradually. For the care and management requirement, a location-help system for the elderly based on ZigBee is designed...

Alkaline peroxide mechanical pulp (APMP) is a kind of high yield pulp that comes with the comprehensive utilization of plant material, such as poplar. APMP has lots of benefits, such as easy preparation, good bulkness, good stiffness, excellent optical performance and good printability. However, it also...

This paper is studied according to the method of auto fault diagnosis and proposes a data table structure of fuzzy diagnosis model based on fuzzy H net with the presenting of the reasoning process. Aimed at the uncertainty and fault fuzzy appearing in automobile, fuzzy H net is used to the fault diagnosis...

In the western countries, there was already someone who had tried to explain political phenomena through the analysis of cultural factors, but the special political culture study slowly rise in political circles until after the Second World War , the theory of political culture in the West has experienced...

In order to effectively and conveniently manage house information for the intermediary company, this paper designed and developed housing estates information management system. The system adopts the current popular programming software Microsoft Visual Studio 2005 as the foreground development tool....

This paper uses VAR model and select total assets of Federal Reserve, CPI, total manufacturing/industrial production, REER (real broad effective exchange rate adjusted by relative consumer prices), net exports and 3-month interbank rate as indicators to measure the impact of the US monetary policy on...