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In this paper, an unbiased estimator is constructed by using a linear combination of an estimator of study variable and mean per unit estimator of an auxiliary variable under simple random sampling without replacement scheme. The efficiency of the estimator under optimality compared with the mean per...

In recent years, under the influence of many favorable factors, such as the continuous increase of per capita disposable income, the continuous growth of domestic macro economy and the continuous upgrading of consumption structure, the development momentum of department stores has been relatively stable....

Based on the 2014 CFPS data and regional macro data, this paper discusses the ways and mechanisms of family characteristics and regional differences affecting information consumption by using hierarchical linear model. The results show that 8% of the differences in household information expenditure are...

This paper presents an analysis of Balkans countries' relative competitiveness of the clothing industry and a comparison its trade vis-à-vis the EU-28. The RCA is analysed by two indices: the Balassa index and the Vollrath's revealed competitiveness during 2000–2015. Both evaluations of the RCA indices...

In the domain of online advertising, particularly within the Pay-per-Click (PPC) framework, identifying fraudulent entities remains a critical challenge for the data mining research community. The inherent class imbalance—where fraudulent publishers represent a minor fraction compared to legitimate ones...

This paper applies ultra-high frequency data particularly tick-by-tick data from three precious metals, namely gold, silver and platinum to estimate realized volatility, and model HAR-RV models evaluate Value-at-Risk. The tick-by-tick data from January 1, 2011 to December 8, 2016 covering 2, 070, 720...

The spatial pattern of soil erosion and deposition on catchment scale are predicted by the GeoWEPP model in a small catchment of the Sichuan Hilly Basin. The estimated sediment delivery per unit area and sediment delivery ratio are 2760 t km2 yr-1 and 0.485, respectively. Compared with the results derived...

The software industry has been one of the fastest growing high-tech industries in China during recent decades. Software engineers are important production ele-ments in software companies. Managing and bring into play these software engi-neers’ professional skills in software companies can influence the...

In recent years, housing prices remain high. In the meantime, the problem of excessive growth becomes increasingly serious. A series of socio-economic pain points brought by high housing prices have become key issues that the government needs to solve urgently. Continued high housing prices have seriously...

Bestowed with unique geological location, Taiwan province has typical oceanic resources with regional characteristics. Since the per-historic times, Taiwan people's life was closely related to sea and oceans with their own features. From the ancient times, the Stone Age to the Han Dynasty, the land culture...

Based on the analysis of outpatients and inpatients of public hospitals at all levels in Chongqing from 2011 to 2015, this paper combined with a new round of public hospitals reform which beyond the increased rate of medical expenses and the larger proportion of drugs, accounted for a further policy...

The COVID-19 pandemic has weakened many sectors, one of which is tourism. Almost all priority tourism locations of the government experience a significant decrease in the number of foreign and domestic visitors. This also impacts the level of welfare of the community around the tourism area. This study...

This paper examines whether drinking frequency is related to residents’ income. Based on National Longitudinal Survey of Youth (NLSY) data, we find an inverted U-shaped relationship between them. Then, residents’ drinking frequency in 1989 is utilized as an instrumental variable to modify the endogeneity,...

Molecular autopsy has evolved as a crucial technique in forensics and identification of medical condition specifically in revealing the genetic architecture of sudden death where conventional autopsy results remain in definitive. With evolution in Genomic sequencing two significant methods NGS (next...

Geospatial Intelligence (GEOINT) was used to assess mangrove ecosystem health and carbon sequestration in Teluk Bintuni, West Papua, Indonesia. The study used Sentinel-2 and Landsat 8 satellite images and field validation data from October to November 2024 across ten transects. Environmental conditions...

This paper chooses the level of economic development, income level, demographic factor, urbanization level, industrialization level, openness, government function, human resources as the affecting factors which influence the competitiveness of Guangxi service industry by taking full account of the previous...

The issues of studying the state national natural parks are particularly relevant and important from the point of view of tourism development in the country as a whole. Currently, due to the growing popularity of eco-tourism and infrastructure development of national parks, the importance of these tourist...

This paper analyzes the economic effect of railway piggyback transportation in China, comparing the cost be-tween railway piggyback transportation and that of highway transportation. After calculating the cost of sta-tion to station railway piggyback transportation and that of highway freight transportation...

Bandung is one of the icons or portraits of a rich city both in terms of education and creative human resources. Nevertheless, there is something ironic about this city. Right in the middle of it, there is an urban village which holds poor icon in this city known as flower city. This research designated...

Phishing is a rapidly rising threat in the cyber world, costing internet users billions of dollars per year. It is an illicit operation that requires the use of a mixture of social engineering and technologies to gather personal information from Internet users. Many cyber-attacks are distributed through...

This research aims to determine the influence of corruption, political stability, inflation and unemployment on economic growth in nine ASEAN countries. Apart from that, this research analyzes differences in economic growth in nine ASEAN countries before and after the Covid-19 pandemic. The data used...

Load prediction is the basis work of district energy planning. Establishing simulation models is a valid method for hourly cooling load. Considering regulatory indexes of buildings play a bridge role between single buildings and the district in urban regulatory planning, the paper discusses relationships...

A half-year parent-child reading experiment was carried out in a Chinese white-collar family. The mother used classic red palm-size linked picture books as reading materials, and read together with her 7-year-old son and 4-year-old daughter for an hour per day. This mode enabled the two children to systematically...

This paper deals with the excavation of 19500 m2 area in granitic hard rock to a depth of 10 m by controlled blasting to accommodate foundation for 75 m tall, 16 floor commercial building in the city of Bengaluru, India. The major task was to excavate granitic hard rock close to constructed residential...

The paper studies the productivity of winter durum wheat of Zolotko variety subject to the treatment of seed grains with the preparations Poly-Feed, Plodorodiye Sibiri, Vitazim, Agat-25K, Micromak, potassium humate applied separately and in the mixture of Poly-Feed + Plodorodiye Sibiri + Vitazim followed...

In this paper, we identify the specific factors influencing how well commercial banks operate by measuring their operating performance indicators, combining them with their operating input indicators, using data envelopment analysis technology, and investigating the effectiveness of their input. Solow...

The Pegringsingan weaving work position is by sitting on the floor with a simple mat and legs straight to the front and done for 6 to 8 hours per day. Low physical activity or sedentary lifestyle can increase the prevalence of obesity which is a risk factor for non-communicable diseases. Body Mass Index...

In view of the current situation of frequent wide load regulation and long-term ultra-low load operation of coal motor units under the new power system, this paper established the calculation model of the added value of energy consumption cost of steam turbine generator units, and put forward the method...

The increased development of Large Language Models (LLMs) has presented difficulties in choosing the most appropriate model to use in task-specific applications as they can be different in terms of performance, cost, latency, and safety. This paper will suggest the implementation of a web-based decision-support...

How to both maximize security and minimize the security time has long been a key concern. Based on the requirement and the existing airport security system, we construct a stochastic model to research how to raising security efficiency. A concept of increasing security efficiency is also defined as increasing...

Ground vibration resulting from blasting, has become a critical environmental issue with the increasing mining activities in areas close to human settlements and many a times the locals resist the blasting even though it is not causing damage to their structures. In general, apprehensions or perceptions...

Problems in SMEs in the shoe industry are so complex, marketing is one of them. The general objectives of this study are: 1) To find out how the marketing mix of SME shoe products in Bogor. 2) To find out the shoe development model can be improved so that SMEs have a competitive advantage, and 3) To...

Soil-transmitted helminths (STH) still remain a public health problem in developing countries. In Indonesia, STH is most prevalent in school-age children, especially with a lack of water sanitation and hygiene in riverbank areas. To elevate STH elimination in these areas, its need a highly sensitive...

Secondary college management mode of graduate training in the university is established during the exploration of graduate training, which is the base of guarantee and improvement of the graduate teaching quality. The graduate training management mode in the secondary college is brought up as per the...

Considering the different occupations and different groups of people willing to delay retirement, this article designed to delay the retirement age of differences in vocational. Model analysis show that: First, it will increase the total consumption; the second is when the growth rate of per capita assets...

Systemic lupus erythematosus (SLE) is a complex disease with variable presentations, course and prognosis. The incidence varies worldwide, and the current global prevalence of SLE is approximately 10 cases per 2.41 million. [1] Among all these patients, women who are in their childbearing age make up...

This article focuses on the subject of iron ore. Though analyzing the relationship between iron ore consumption and economic development about China and American, it is found that the per capita consumption of iron ore in China was too early, which is not conducive to economic development. Through elaborating...

Three-stranded polyethylene twine is one of the basic materials for woven mesh. It is popularly used to make net wing, net body, cod-end etc. The water resistance of the twines plays an important role in the shape and performance of these fishing gears. A testing device was designed to measure the hydrodynamic...

This paper covers the contemporary trends in the formation of economically-beneficial qualities in productive animals. Researchers assessed the breeding and productive traits of animals and established the reproduction characteristics of the breeding stock and stud bulls: the inseminating ability and...

We have calculated the circumference ratio by Monte Carlo method and Buffon's Needle algorithm. Our results reveal that the estimated value approaches to the expected value as the Monte Carlo steps increase. The error between the estimated and the expected values decreases inversely as the square root...

Over the last 300-400 years the forests of the forest-steppe zone inRussian Federation have changed greatly, as a result of human activity, which has led to a significant decrease in their biosphere functions, the main of which is carbon sequestration. The carbon balance in forest ecosystems of managed...

Guangzhou university city pavilion in the village of micro family activities based on the survey data, based on the method of consumer lifestyle (CLA), through the household survey, questionnaire survey method, using the GIS spatial analysis, research urban village family carbon structure characteristics...

The paper presents a comparative assessment of the contribution of forest tree vegetation of the natural sanctuary Serebryany Bor and the Natural-Historical Park Bitsevsky Forest to carbon dioxide absorption. It is found that the amount of carbon dioxide absorption depends on both the composition of...

The automatic detection of rock fractures is critical for maintaining the stability of rock structures and preventing geological disasters. Currently, three primary techniques are employed: manual inspection, ultrasonic detection, and computer vision technology. Manual inspection is inefficient, subjective,...

Mergers and acquisitions may be cited as a strategic financial decision that involves a considerable amount of resources in terms of commitment and complexity in the analysis, which cannot be explained through the lens of financial reporting. In this research, the author has attempted to conduct an in-depth...

The choice of urbanization path has increasingly become a focus problem of our country's urban development. The article choose 161 cities in China above the ground level as samples, studied the 2005-2014 China's urban private car ownership evolution characteristics of space and time, selecting the population...

We accomplished a linear public goods experiment to study the effects of extrinsic reciprocity, via comparing a setting where subjects have the same income with a setting where they differ. We find that: 1) The contribution is higher in the two global public goods treatment than in the single global...

In “General Provisions of Civil Law” of the People’s Republic of China, there are some important new terms such as “gongxuliangsu” (公序良俗, public policy and ethics), “bingchichengshi, keshouchengnuo” (秉持诚实，恪守承诺, uphold honesty and honor commitment) and “shanyixiangduiren” (善意相对人, the good-faith third...

In order to improve water quality and encourage sustainable water usage, this study provides the design, development, and performance assessment of a unique water filtration system. In order to provide safe and clean water for household and communal uses, the designed device has an effective filtration...

A CMOS charge amplifier, due to its very low power consumption and good noise performance, has great interest for analog signal processing in the fields of particle physics, nuclear physics and x- or beta-ray detection. The simulation environment of EldoTM using AMI05 (American Microsystems Inc.) technology...