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Independent spanning trees (ISTs for short) in networks have applications such as reliable communication protocols, the multi-node broadcasting, one-to-all broadcasting, reliable broadcasting, and secure message distribution. However, it is an open problem whether there are ISTs rooted at any node in...

In response to the issues of sparse borrowing relationship data, shifting content interests, and recommendation cold start in university library, this paper proposes a personalized book recommendation method based on Graph Convolutional Networks (GCNs). This method possesses conventional prediction and...

A new unsymmetrical photochromic diarylethene 1- (3,5-dimethyl-4-isoxazolyl)-2-{2-methyl-5-[4-(1,3-dioxolane)- phenyl]-3-thienyl}perfluorocyclopentene (1o) has been synthesized. Its properties have been discussed systematically, including photochromic, fluorescence switch and kinetics experiments in...

Currently the ideological and political education in colleges and universities in China is facing the disadvantages of outdated concepts, unclear objects relations and lack of system guarantee. To solve these problems, it is necessary to conduct the concept innovation of ideological and political education,...

Hot and humid environments are ubiquitous in some special workplaces, such as deep mines, aviations, and military territories. High–temperature radiation is a serious threat to the health of high temperature operation personnel. Exposed to high temperatures for a long time will inevitably lead to dehydrations,...

The PPP model is a product of continuous development in today's era and plays a key role in various fields. However, its development depends on the improvement of legislation. This paper has obtained beneficial inspiration from the research on the legislation of various countries' PPP models and combined...

The retirement and relocation of urban industrial enterprises has led to the retirement of a large number of contaminated sites. Aiming at the problem that the data related to the contaminated site comes from many different sources and has different structures, and it is difficult to explore the potential...

Based on the school’s educational orientation, educational philosophy, and talent training goals for building environment and energy application engineering majors, this paper proposes ideas for ideological and political construction of the course through the course introduction, course objectives and...

Transportation plays an important role in promoting the economic development of a country. As the main mode of transportation, the railway transportation system needs to adapt to the level of economic development. For our country, the railway is the backbone of the transportation system, and it is very...

In order to realize the function of short-term rapid cooling and long-term soothing refrigeration of mini desk fan, an innovative design solution of mini desk fan based on experimental analysis and numerical simulation technology is proposed. Firstly, the market investigation and information retrieval...

Sonchus oleraceus Linn. is of great interest in scientific platform because it exhibits significant biological activities. This study investigated the liver protective effects and mechanism of phenolic extract from S. oleraceus (SOL) on Streptozotocin (STZ)-induced diabetic rats. SOL significantly increased...

China is now obviously in a dual economic era. The developed urban economy and the backward rural economy exist simultaneously while high-tech modern industry and ancient tradition of agriculture coexist at the same time. This dual economic model led to a huge gap between China's urban and rural social...

Coagulation is an intricate process due to which blood clot formation takes place. It is an intrinsic part of hemostasis thrombus blocks the blood vessels, and as a result, bleeding will stop. During cardiopulmonary bypass surgery, the hemostasis status of a patient is mandatory to monitor continually...

Violence is a hot topic these days, not just in education, but in all areas. To solve this problem, the government introduced a child-friendly school policy. Child-Friendly School is committed to realizing children's rights and providing them with a quality education. The purpose of this study is...

This article presents the design and testing results of an Integrated Unit for chemical and electron beam treatment of agricultural plants. Chemical treatment is performed using a fan sprayer. Electron beam treatment is carried out using two ultraviolet irradiation (UVI) lamps mounted on the front of...

For English learners, the discrimination of synonyms is a big problem, but corpus is an effective tool to clear the difference between them. It offers English learners an authentic, simple and straightforward way to overcome the difficulties within synonyms. In this paper, the researcher uses a corpus-based...

Based on the study of Oxford's (1990) study strategy, this paper taking students from the Japanese parent class and international students in Tohoku University as object, investigates the choice of learning strategies during the process of independent listening for those students with different verbal...

Titanium alloy package edge provides additional strength and stiffness to the composite fan blades of aircraft engines, which can extend the service life of fan blades effectively. However, the titanium alloy package edge was traditionally manufactured by using CNC machine tools, involving a large cutting...

To protect MEMS gyroscopes based on the quartz tuning fork in a high-g shock environment, the support bonding regions are located at where the stress concentrates in the spring beam of the tuning fork. After an analysis of the high overload shock characteristics, a highly efficient cushion structure...

The characteristic between-class exercise of primary and secondary schools requires movements, and the arrangement of music cater to the theme characteristics, which not only needs to meet the requirements of sports, but also has the role of assisting the cultivation of campus culture. By inheriting...

A inter-group scenario simulated experiment is adopted to investigate the influence of failure attribution and leaders’ affective feedback on members’ angry and frustration. Subjects are divided into eight groups based on four failure attributions and two affective feedbacks. The results show that, under...

Compiled by comprehensive development indexes of Yunnan province, the research and analysis show that regional differences are very prominent in social development. In the process of accelerating economic and social development and promoting the equalization of basic public services, the government should...

This study empirically examines the impact of informal board hierarchy on corporate short-term financing for long-term investment (SFLI) using a sample of A-share listed companies in Shanghai and Shenzhen stock exchanges from 2011 to 2023. We employ the long-term capital financing gap model to measure...

Traditional Chinese flower arrangement, as a part of China’s intangible cultural heritage, features unique Chinese cultural characteristics and styles of forms. A small number of studies on hand-held flower were scattered in the history of flower arrangement. This paper aims to briefly chronologize the...

Based on the existing X-ray flaw detector, the writer tried to design a direct current supply system for X-ray flaw detector controller so that a portable DC X-ray flaw detector can be made in China to fit the need of the professional market.

At present, police colleges and universities in China have carried out police physical fitness courses. Although the teaching objectives and tasks are similar, the quality of teaching is quite different, and there are many problems. For example, physical education curriculum construction lags behind;...

In this paper, regarding to the fragility and surface erosion problems of Foshan ceramics, we discussed the methodology and technology of 3D reconstruction and virtual demonstration for Foshan ceramic object and cultural relics. We adopted Reverse Engineering technology to rebuild the shape of object...

Newborns lose heat four times larger than adults, resulting in a decrease temperature. In the first 30 minutes the baby can experience a temperature decrease of 3-4 ⁰C. In a room with a temperature of 20-25 ⁰C the baby's skin temperature drops around 0.3 ⁰C per minute. The temperature reduction is caused...

This paper selects the data of twelve provinces and cities in the western region of China from 2011 to 2015, constructs the panel data and establishes the econometric model. It mainly analyzes the efficiency of allocating financial resources in the western region from three aspects: the marketization...

The research - teaching mode aims to cultivate students’ creativity. However, the current scoring system can’t reflect students’ real knowledge level and isn’t suitable for it. Drawing on the “square - root times ten” method, we propose a flexible scoring system for research - teaching. It includes students’...

The effective distinction between normal email and spam, so as to maximize the possible of filtering spam has become a research hotspot currently. Naive bayes algorithm is a kind of frequently-used email classification and it is a statistical-based classification algorithm. It assumes that the attributes...

Reverse engineering (RE) is widely used on the aspects about designing of advanced products, software or images. The 3D Geometric modeling method is composed of measurement equipment and RE software. The three-dimensional digital measurement equipment is used to collect the model's point cloud data and...

This study aims to develop rainbow antimagic coloring. A graph G is said to be a rainbow antimagic coloring if there is a bijection function f : V ( G ) → ...

CDIO engineering education mode is the latest achievement of international engineering education reform in recent years. This paper quote the CDIO engineering education idea to the university physics experiment teaching, as the experimental project for guider, emphasize learning by doing, assign different...

In Emperor Huizong of Song Dynasty’s “Listening to the Qin”, the player is dressed in Taoist clothes, reflecting a style of clothing of the Northern Song Dynasty literati and officialdom class. Fan Zhongyan in the Northern Song Dynasty recorded the fashion of Taoist literati and officialdoms wearing...

From the reform and opening up in 1979 to the year of twenty-first Century, China's economy has been growing rapidly,and great changes have taken place in people's traditional eating habits. Gradually westernized modern diet has become one of the main reasons ,which leading the incidence of many chronic...

Ultrasonic-rebound combined method (UCM) is widely adopted to test concrete strength at present. Although it makes up for some shortcomings of rebound method and ultrasonic method respectively, its precision is far below the requirements of engineering. Based on the thought data fusion and inverse regression...

The development of science and technology affects all sectors of life, one of them is technological progress in the aviation world. The wing is the most important part of an aircraft because the wing produces an elevator When moving against the airflow because of its airfoil shape. The airfoils found...

Ultra-high toughness cementitious composites (UHTCC) and textile have emerged as advanced composite materials in recent years. Combining these materials results in textile reinforced ultra-high toughness cementitious composites (TRU). In this paper, the tensile properties of TRU plates were studied....

Based on the standardization process of logistics efficiency evaluation and combined with the development concept of low-carbon logistics, this paper constructs a scientific and reasonable logistics efficiency evaluation index system and model, aiming at comprehensively and accurately reflecting the...

The reform of Corn market-oriented reform of the purchasing and storage system is an important initiative of our food and agriculture subsidy reform. Using the panel data of the main corn producing areas from 2004 to 2023, based on the super-efficient DEA model to measure the TFP in the period of the...

Diseases, which are the dark side of life, are all the time taken as the metaphors of death, human weakness and fragility per se. Each citizen has double identities as health and disease. In addition, how these diseases are metaphorized step by step transferring to a standard of morals and political...

Recent studies have confirmed that people produce mental simulation when processing sentences including literal motion, abstract motion or fictive motion. However, the doubt is whether EFL learners mentally simulate fictive motion during language comprehension as native English speaker did. The paper...

Compton scattering of BaCl2 solutions is studied in this article. And the electronic structure of some aqueous BaCl2 solutions is analyzed profoundly according to the density functional theory. The microscopic mechanism of Compton Scattering of such solutions is discussed. And it is concluded that the...

At present, most energy-saving studies on tunnel lighting are theoretical or emulational, fewer are experimental studies. Based on optimized tunnel lamp installation parameters, a simulation experiment of tunnel lighting and a tunnel model experiment of lighting were carried out to study the energy-saving...

The evaluation of achievements in college ideological and political courses often faces difficulties in quantification, insufficient differentiation, and outdated scoring systems, which are difficult to meet the needs of research-oriented teaching models. This paper comprehensively considers theoretical...

The tobacco leaf baking quality can be effectively improved on one hand, and overall baking time can be shortened to certain extent on the other hand by improving temperature in curing barn and uniformity of airflow organization distribution, thereby lowering energy consumption of baking. In the paper,...

Blow-by of crankcase should be led into intake system and burn it again to protect environment. This study examines effect of crankcase blow-by on formation of particle. By controlling the flow of crankcase blow-by to atmosphere or intake system, number concentration of particle distribution was measured...

Geometry model and finite element model of the mini-electrical vehicle frame are constructed by catia and hypermesh. Then, the natural frequency of the lower mode and vibration mode which belong to the electrical vehicle are calculated by radioss. At last, comparing with the excitation frequency of the...

Nusa Putra University has a mechanical engineering workshop with various tools including the SMAW welding machine. Students use this machine to do practicum and learn how to increase the welding skills. However, the air circulation does not support welding fume release. A Fume Extractor is a system that...