Search all articles

Based on the characteristics and related research of the post-90s, this paper finds out the factors affecting the satisfaction of online shopping of after 90s. Through the questionnaire survey of 285 post-90s online shopping consumers in Shanxi Province, the factors affecting the satisfaction of online...

With the winning ratio, annual return rate and net profit rate as the management goals, the practicality of the RSI and MA expert systems for the software sector is analyzed. The winning rate of the RSI expert system is 54.05%, 1.35 times that of the MA expert system. The annual return rate and net profit...

The extended service life of external insulation thin plastering systems is a common source of concerns in China. Although prefabricated concrete sandwich insulation walls are a superior option, they still have drawbacks, including high cost, inefficient production, and inefficient construction and installation....

This article is aimed to discover the effect of replacement rate of slag recycled aggregate on the compressive strength of recycled concrete. The slag has been crushed and sieved to regenerate recycled aggregate, than replaced the different ratio of natural aggregate with recycled aggregate in premixed...

Two-dimensional code technology has been applied to all aspects of production and life, such as auto parts production line tracking, product traceability, medical emergencies, e-commerce, media and tourism. However, these two-dimensional code application generally concentrated in record numbers, letters...

The STL (Standard Transform Language) file format has been the industry standard for Additive Manufacturing (AM) communities for last two decades. It falls short with the rapid development of AM related hardware and materials technologies. Kinds of alternatives to STL have been proposed. However, Massive...

In this work, the zeolite A/activated carbon (A/AC) composite was synthesized from elutrilithe and pitch, and the removal of Cr3+ from aqueous solutions has been evaluated. The effects of batch experiment conditions, such as solution pH, contact time and initial concentration, on Cr3+ adsorption performances...

The recrystallization behaviors of Al-Er and Al-Er-Zr alloy at different aging states have been investigated. The results indicate that the recrystallization temperature of Al-Er-Zr alloy is significantly higher than that of Al-Er alloy. Al-Er-Zr alloy at over aged state after 60% cold rolled has the...

In this paper an adaptive fuzzy-fractal filtering method (AFFF) has been applied to noise reduction of communication signal. Short-time fractal dimension contains the information related to the complexity or characteristic of the time series and it can be used to adjust the value of fuzzy control parameter...

People are the foundation of a thousand years of work. The outbreak of the new global epidemic and the joint response of countries around the world further illustrate the validity of the concept of a community of human destiny in the context of globalization. In the face of such global public emergencies,...

The lack of high quality forage in China results in a negative extremely situation in the global animal husbandry products trade, which led to China livestock trade sit the unfavorable situation. The alfalfa production does not match with the great power status of grassland industry of China. Therefore,...

The job matching system occupies an important position in human resource management and plays a pivotal role in the healthy and orderly development of modern enterprises. This study takes BP neural network as the theoretical basis and establishes the human-job matching measurement model for managers...

The characteristics of blockchain technology, such as decentralization, distributed storage, openness and transparency, can effectively solve the main problems in the supply chain of ecological agricultural products in southern Jiangxi province of China. With the “Internet of Things +”, “big data +”...

looking for energy saving, high efficiency, high ratio of performance to price of building materials as hollow no beam floor mould box has been structure designers attention hot spot. In recent years, the study of the pre embedding of the corresponding inner membrane, the domestic and foreign scholars...

The land consolidation in hollowed villages deeply affected soil properties in loess plateau. The object of this work was to analysis the soil properties changes in 6 consolidation years with 2 tillage types. Results showed that the soil bulk density, soil clay content, pH, soil organic matters, total...

As one of the important positions in the field of talents cultivation, Japanese major is one of the important foreign language majors in colleges and universities. Different from other non-language majors, Japanese teaching has high demands on students' practical ability and applying ability. As Japanese...

Objective: To explore the characteristics of pre-existing Cerebral Small Vessel Disease (CSVD) in young patients with Acute Ischemic Stroke (AIS) caused by large artery atherosclerosis or small artery occlusion. Methods: A total of 400 patients with suspected stroke or transient ischemic attack who...

This paper examines the roles and actions of female hero images in Disney animated films from the viewpoints of social role theory and cultural dimension theory, drawing on the feminist background to investigate the causes behind their emergence and influence. According to the analysis above, the female...

The issue is aimed at the demand of cognizant Cyberspace, analyzed the spatial and temporal characteristics of Cyberspace. By means of researching the mapping mechanism between cyberspace and geo-space, constructs the theories and geographical cognitive models of Cyberspace. Based on the theory of cartography,...

Based on the topological theory and MATLAB program, electrotopological state indexes (En) were calculated for 114 polycyclic aromatic sulfur heterocycles. A six-element regression model of quantitative structure-retention relationship (QSRR) for retention index (RI) as a function of En was constructed...

Real-valued negative selection algorithm (RNSA) has been a main algorithm of immunity-based intrusion detection in wireless sensor networks (WSNs). However, the real-valued initial self-set which is used to train detectors has some defects: boundary invasion and overlapping among the self-samples. Detectors...

Spherical plain bearings have the characteristics of self-adjusting and self-lubrication, they are widely used in defense, engineering and other fields. However, the spherical plain bearings are easy to fail in the process of work, and reasonable design seems to be very important. In order to save cost...

Culture-loaded words are culture-specific, and the C-E translation should carry and reflect the culture meanings. Constrained by the culture of source language, the translation activity promotes its development by absorbing new cultural factors from the target language, hence the heritage and development...

Author found that the micro-mechanical pendulum mounted on a rotating body has gyroscopic effect, which can be sensitive to yaw, pitch and spin angular velocity of the rotating body at same time. It has the function of the three traditional gyro. This paper reported the principle of micro-mechanical...

Now in the continuous enrollment expansion in higher vocational colleges, this for the graduates, after graduation to facing the pressure of social competition, higher vocational graduates employment situation is with the national vocational education influence each other, in order to solve the employment...

Marketing is a highly practical subject. How to carry out teaching reform under the new situation, reshape the training program, and cultivate more compound marketing talents is very important to improve the core competitive advantage of enterprises. Based on the analysis of the current situation and...

Being widely used in modern machinery and equipment, gears drive functions in transmitting motion and power at a specified gear ratio. Based on the general application of NC machining technology, it is increasingly important to realize the automatic production from the gear blanks to the finished gears...

Knowledge organization is important in the services of government affairs archives. To provide better archive service, a new approach of smart organization and retrieval with existing and updated archives related Chinese knowledge organization systems are proposed and implemented. With knowledge organization...

A novel algorithm for robust adaptive beamforming is put forward in this paper. This algorithm use the characteristic of complement of desired signal subspace complement to build constrained model and solve the supremum, then the solution based on convex programming are given in the paper .The two characteristics...

Application of flipped classroom on auxiliary machinery achieved a high degree of integration of online learning and traditional classroom learning. The combination of flipped classroom and auxiliary machinery, not only breaks through the limitations of blended learning to achieve a higher degree of...

“Value-added evaluation” is widely applied to school efficiency evaluation of primary and secondary school. But there are few applications of college students’ evaluation. Firstly, null model of College students' English learning efficiency has been established based on Hierarchical linear model in order...

The thermal density current is researched in different incoming flow depth based on numerical simulation and find there will form a plumping thermal density current if the temperature of incoming flow is lower than the environmental water temperature in the reservoir; the incoming depth has little effect...

Backstepping design, neural network technology, robust adaptive control and terminal sliding-mode control is combined. Firstly, neural networks are used to estimate the virtual control laws of the controlled system. Secondly, terminal sliding-mode control is utilized to improve the convergence speed...

Against the background of "double-creation", major universities and colleges explore the deep-integration mode of innovation-entrepreneurship education and professional education(The following uses innovation-entrepreneurship education). This article starts with the concept and relationship of innovation-entrepreneurship...

Scientific and logical planning of technical data, which is the foundation to equip technical data efficiently, is an effective way to quickly transfer the equipment into combat effectiveness and support capability. With the transformation of war pattern and increase of equipment complexity, the critical...

In this paper, an adaptive image thresholding algorithm is proposed for thresholding images with uneven illumination. Firstly, a Gaussian scale space, which is produced from the convolution of a two-dimensional Gaussian function with an input image, is used to estimate the background image. Followed...

With the continuous development of internet technology in recent years, social media platforms have gradually replaced traditional media and become one of the primary channels for users to engage in health communication. This paper addresses two main research questions: firstly, to investigate the roles...

Data analysis and data prediction based on artificial intelligence technology have a wide range of applications in daily production and life. Predicting the lifetime of the locking block enables train maintenance personnel to understand the current and future status of trains, and to develop targeted...

In the area of modern physical distribution, vehicle routing problem has become the focal point in the research. During the process of transportation, efficient and the reasonable vehicles travel route not only can reduce the overall cost significantly, but also improve customer’s satisfaction. This...

In the development history of ancient Chinese society over thousands of years, a cultural phenomenon of universal significance to everyone has been gradually formed. This is the culture of self-cultivation. Self-cultivation culture is a culture that emphasizes self-cultivation. It regards the idea of...

Currently, the conventional method of packaging paper for roll-type boxes in tobacco materials involves arrival-based sampling, where quality inspectors randomly select a number of units from the entire shipment to serve as inspection samples. This sampling method is significantly influenced by human...

In the field of industrial control, the dynamic mathematical model of the main equipment or process of the system is established by the field data, which has become the hot spot of system identification at present. Due to various reasons from the industrial production process and means of measuring,...

Electrical distribution network reconfiguration is a complex combinatorial optimization process aimed at finding a radial operating structure that minimizes the system power loss or maximizes the system reliability while satisfying operating constraints. It has been traditionally performed assuming that...

The economic globalization produced the new international division system of the global value chain. Under the broad background of the economic globalization, the global value chain has undoubtedly become the key chain in the cycling and interaction of the world economy. The countries who obtain the...

Eu3+ doped transparent molybdate glass ceramics containing CaMoO4 were successful fabricated by melt-quenching technique. The optimal heat-treated system for the glass sample was determined by DSC,XRD and SEM(710º for 2.5h). The grain size of the glass ceramics gradually increased with the increasing...

Teaching quality is a key of independent college talent training. This paper summaries the content based on the connotation of independent college teaching quality and teaching characteristics, analyzing the existing problems in independent college teaching quality from the aspects of students, teachers...

A superpixels based interactive image segmentation algorithm is proposed in this paper. Firstly the initial segmentation is obtained by MeanShift algorithm, and then a graph is built using pre-segmented regions as nodes, finally min-cut/max-flow algorithm is implemented for global solution. In this process,...

A Nd:YVO4/LBO intracavity frequency doubling laser end-pumped by a diode-laser was reported, and the parameters of this laser were theoretically analyzed. By using a type Ⅱ noncritically phase-matched LBO crystal, the operation of a red light laser is realized. The output power of 1.16W at 0.671μm and...

The new era comes up with new challenges to higher agricultural education. Against the background of the construction of “new agricultural disciplines”, it is worthy of in-depth consideration that how higher agricultural education serves the “poverty alleviation, rural revitalization, ecological civilization...

Multilevel converters (MLCs) have been widely applied in fields such as high-voltage direct current (HVDC) transmission, electric vehicles, and wind power generation due to their advantages in improving power quality, reducing harmonics, and high-power applications. However, due to the influence of switching...