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This paper introduces design and structure of test system of discharge time for emergency lightings based on PIC MCU, including the structure of hardware and design of software. And the communication performance and human-machine interface (HMI) of the system are elaborated. In addition, due to functional...

The cooperation of regional factor and non-regional factor makes up the characteristic of economic aggregation. The externality of the economics bases on the regional factor and the spillover of the efficiency of cooperation is the foundation of the externality. Taking the theoretical analysis into consideration,...

With the further deepening of China's social reform and higher education reform in recent years, the management of college students’ associations will also face new challenges. Under this circumstance, it is particularly important to analyze the problems existing in the construction of the associations,...

The development history of computer music production technology is still short in China. However, since computer music entered China, it has been widely applied in multiple fields. Nowadays, how to better utilize computer music production technology to optimize leisure and recreation service has become...

In this paper, the light chemical equipment course during teaching link was analyzed and discussed. Four aspects include the selection of teaching content, correct thinking method and good working habits of students, the diversity of teaching methods and the reformation of teaching methods were analyzed...

In this paper, the fuzziness of Gomoli¶nska approximation space based on uncertainty mappings was introduced. It is proved that many approximation operators could be constructed by the composition of basic approximation operators.

The Cu2ZnSnS4 (CZTS) thin films were successfully prepared on glass substrate by pulsed laser deposition (PLD) using CZTS target. The laser incident energy was varied from 3 J•cm-2 to 6 J•cm-2 at the interval of 1 J•cm-2, and its influence on chemical composition, crystal structure, morphology and band...

In this paper, theoretical analysis of phase equalization technology is carried on, and phase characteristics of the circular wave-guide loaded metal screws is studied. On this basis, a Ku-band circular wave-guide phase equalizer is proposed. Simulation analysis with the electromagnetic simulation software...

The gist of this article boils down to the problems of practice-oriented training of university marketing specialists in the context of the development of the digital economy. In modern market conditions, in the context of digital economy only those higher education institutions that pay close attention...

As two popular sports, bowling and badminton have very different development paths in today’s society. As far as bowling is concerned, although it has been introduced to China for a short time, it has been sought after by many people. However, under the influence of many factors, the development of bowling...

Based on the panel data of 16 European countries from 2000 to 2016, I provide the empirical study quantifying the impact of female labor force participation on carbon emissions. In the design of my empirical research, I adopt the fixed effect model and use FGLS estimation. The results show that the increase...

This essay intends to examine whether affirmative action in the Gratz v. Bollinger case (2003) can be justified as ethical under Jeremy Bentham’s utilitarian perspective. This essay offers an exhaustive case review of this lawsuit and evaluates the economic and educational effects of the University of...

There is a heated topic in the area of emotions in second language (SL) or foreign language (FL) contexts, especially since the emergence of positive psychology (PP). However, most studies have emphasized the effects of foreign language enjoyment (FLE) on language performance without treating in much...

The popularity of online social networking has created new conditions for high-risk sexual behaviors and brought new challenges to AIDS prevention and treatment. Taking young students in Chengdu as an example, this paper investigates their differences in knowledge, attitudes, and behaviors related to...

The low-altitude economy including urban air mobility (UAM) is actively advancing in China. A new, broad, affordable space is coming to improve the transportation of this big country. However, compared with developed countries and regions such as United States, Europe, and Japan, the gap of China’s UAM...

Promoting flexible talent introduction is an important part of innovative talent governance, and an effective mechanism to promote the flow of talents and release the vitality of talents. As an airport industry relying on resources such as convenient transportation, advanced logistics and strong radiation...

The promotion strategy is one of the strategies that can be used by business people in facing the new normal era after the Covid-19 pandemic, hoping to attract consumers to make purchases of company products. This study aims to determine the effect of price promotion time limit on consumer impulse buying...

The constitution guarantees the right of everyone to obtain public information including information on court decision data because based on the KIP Law, judicial decisions are not excluded, which means they can be given to the applicant or can be accessed by the public through the Supreme Court website....

Background: Aortic type B dissection is a life-threating condition in which blood flows between aortic wall layers. Despite a role for morphological variables, such as entry tear location and dimension, in the prediction of progressive false lumen (FL) dilation has been suggested, the role of flow characteristics...

Detecting and recognizing ships at sea presents unique challenges due to their irregular shapes, complex features, and varying sizes. This study explores the capabilities of different YOLO(YouOnlyLookOnce) architectures—specifically versions V5, V6, V7, and V8—for maritime applications. Each version...

The college office as school comprehensive management organization, and its management level directly related to the normal operation of the school each work. Effective psychological contract management can increase the sense of belonging to the organization staff, improve work enthusiasm. This article...

Attempts are made to treat 45 steel cryogenically using liquid nitrogen. Various properties of un-treated and cryo-treated 45 steel are studied in a comparative manner. The morphological changes are investigated by metallurgical microscope. Hardness is evaluated by the relevant machine. The results reveal...

Due to the different fault characteristics of the micro grid under the two kinds of operation mode, which are connected to the main grid and the isolated mode, and the various topological structure and the internal tide make for the traditional relay’ malfunction. The paper proposes a fault area localization...

Two novel (1,2-benzothiazin-4-yl)acetic acid enantiomers were prepared by chiral resolution, and their enantiomeric purity was tested by chiral HPLC. The biological evaluation of the racemate and the single enantiomers showed that the isomer (R)-(-)-4 was the most active with an IC50 value of 0.120µM,...

This paper is to establish a comprehensive system combining statistics, monitoring and evaluation of energy consumption and CO2 emission, which is to obtaining the real-time traveling geographical coordinates and energy consumption by using mobile vehicle-mounted terminal. It allows transport authorities...

In this paper, a three-dimensional finite element model is developed based on the joints on standard sections of tower crane QTZ5510. The validity of this finite element model is verified through the contrast of analytical results calculated by Yamamoto Method and simulated ones under the action of static...

In the "Pianist" which is full of romantic movies, love is touched by the director general with a few scenes portrayed, but it is this scanty plot that the whole movie plays a finishing touch, casually watching may inadvertently and with its piano to create a simple, beautiful, romantic tone of the audience...

In this research, in order to address interferences of air traffic from complex factors like weather and local data abnormality of radar samples, fuzzy clustering and neural network ensemble were introduced into the short-term forecasting of air traffic flow. Firstly, with K-means cluster analysis, this...

In this paper, it was based on the inter provincial panel data of 2005-2014. And it divided the 31 provinces into the East, the Middle and the West. Then this paper explored the Environment Kurtz Curve(EKC) between economic development and water use of each industrial area and discussed the optimal threshold....

To estimate the effect of high repetition frequency laser jamming on laser seeker’s distinguishing and locking stage for decoding process, two models are built to quantitatively study the jamming effect under the different coding systems, one is normalized cross-correlation function model, the other...

To low transmission power loss, maintain voltage stability and improve voltage profile, a novel multi-agent-based voltage control scheme is proposed in this paper by dynamically adapt configuration of control devices, including the automatic voltage regulator of generator, transformer with under-load...

Western feminist literary criticism is mainly divided into Anglo-American school and French school, which emphasizes on the criticism of the male centralism, not only pay attention to women's subjectivity, but also has its own characteristics. The Anglo-American is a critical view of women as the center,...

Aiming at the preliminary orbit determination error of certain shipboard microwave unified tracking telemetry and command system of C frequency band(UCB) equipment in performing the earth synchronous satellite laughing missions, by analyzing correction, axes- systematic error propagation and instrumentation...

To gain a better understanding the difference on microbial community structure for low permeability reservoirs in Daqing Oil Field at different days in outdoor, we constructed the 16SrDNA gene clone library for different days’ samples respectively. The results showed that the dominant microbes of zero...

For the problem of low accuracy by the traditional K-means clustering algorithm to segment noised brain magnetic resonance imaging (MRI) images. This paper proposed an improved K-means algorithm. The traditional K-means algorithm only considers the brain image gray value itself, ignoring the relationship...

In this report, terrorism events are investigated. We make statistic analysis for the distribution of fatality number and injury number by the data from open database GTD. The power law distribution is found which exists not only for the whole Colombia country but also the large organizations in this...

The article is devoted to the analysis of perspectives and problems for Russian business in the transition to the digital economy. The paper analyzes the positive trends in the use of digital (electronic) economy tools in business, as well as a critical analysis of the main problems that will face when...

Mathematical modeling has its unique mode in training. The purpose of this paper is to explore the relationship between the training mode of mathematical modeling and other teaching modes, and to point out the possible reference for the reform of teaching mode in China.

Smart bracelet is a new wearable smart device that can record daily exercise, sleep, diet and other data and analyze these data to guide a healthy life. The feasibility of using smart bracelet in college physical education is discussed through logic analysis and literature method. The possibility of...

The essence of risk is revealed, which refers to the actions or inactions of a person or a social group in conditions of uncertainty and awareness of the possible danger, as well as the knowledge that success will lead to the intended benefits, and failure – to the intended damage. The following types...

Under the pressure of market competition, most independent colleges have embarked on a road of application-oriented talents that is in line with local economic and social development and pursues school-running characteristics. The current school-enterprise cooperation model is one of the models that...

Our country has five thousand years history of splendid culture and thus has rich cultural heritage. Though the current state now pay more attention to developing the cultural industries and trade, our country still faces many problems. So we need to study the factors which influence the development...

The purpose of this study is to know the Public Perception of the management of Transportation Becak motor (Bemo) in Tempe District of Wajo Regency. This research will be conducted in Wajo District, Tempe Sub-district which is one of the districts that have increased the use of a motorcycle in Sulawesi....

In order to make up for the deficiency of traditional actual experiments in the curriculum of data communication and computer network, we put forward an idea that network simulation technique should be applied to develop experiment items. The methods of developing simulation experiments by network simulator...

As a new model of cross-border trade, the cross-border e-commerce has achieved rapid development, and has become a new growth point of China's e-commerce market and the new "blue ocean" of the e-commerce industry. At present, the mainstream models of the cross-border e-commerce include the patterns of...

Numerical tests on three-dimensional rock samples containing hole were carried out with finite element software ANSYS to investigate the mechanism of zonal disintegration within surrounding rockmass around deep circular tunnel under dynamic disturbance. Numerical tests presented the distribution of stress...

This paper proposes Bayesian statistical method to identify the video traffic by the symmetrical features and coding statistical characteristics of video calls. According to the problem of high computational complexity of the non-parametric probability density estimate method in the condition of large...

The development of technological advancements and communication in the age of globalization has resulted in very rapid social change. The development of modernization ideals caused society to experience a decline in values in terms of being responsible as good citizens. The millennial community is now...

Vocational education is part of the education system that prepares a person to be more able to work in one occupational group or one occupation than other fields of work. Vocational High School (SMK) is one of the educational unit level institutions that has the role of creating quality and competent...

The Time-Dependent Traveling Salesman Problem (TDTSP) is a generalization of the Traveling Salesman Problem (TSP) and Traveling Repairman Problem (TRP). In the TSP and TRP, the travel time to travel is assumed to be constant. However, in practice, the travel times vary according to several factors that...