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In this paper, the secure policy on application of the computer information system, the secure principle, secure layer, secure service and secure architecture model of the development of computer information system are mainly studyed on this thesis. The developing situation both home and abroad about...

This paper mainly discusses the cooperative spectrum sensing technologies in cognitive radio system. First, the paper starts with the single-node signal detection, then categorizes the spectrum sensing technologies and covers the good and weak points of the three major methods. Second, it puts forward...

Little is known about how N deposition affects greenhouse gas balances in different temporal patterns (daytime and nighttime),and few studies have been conducted to quantify the effects of N deposition on soil CH4 uptake and CO2 emission in a typical temperate forests. To investigate the effects of N...

This article discussed what is the business eco-sphere sand table for simulation management, what are the core elements of it, what is the structure of it. Besides this article preliminarily answered the design ideas of the basic data structure and elaborated the logic of data flow of the new business...

Network video (net-video) is universal with gradually development of network services. Most net-video providers can provide the same service and equipment. Thus the evaluation of quality of experience (QoE) becomes critical. Recent research has achieved to evaluate net-video QoE by some QoS parameters,...

This paper presents a novel solar tracking trajectory calculation method, and addresses the problems of low efficiency, computing complex issues of solar tracking control system. Based on the Lagrange interpolation method, the solar trajectory is calculated by using the location information in certain...

Based on data from 2005 to 2016, this paper analyzes the spatial spillovers of urban agglomerations in Guangdong-Hong Kong-Macau Greater Bay Area by using spatial panel SpVAR Model. The results show that the spatial spillover of industry sector of the urban agglomerations in the Pearl River Delta is...

Under the background of global economic integration, brand internationalization has become an inevitable trend. The huge growth potential of the Southeast Asian mobile phone market has also become the opportunities which Chinese mobile phone brands should seize. Based on the theory of brand internationalization,...

Press hardening steel (PHS) is widely used in the production of automotive components. However, the traditional 22MnB5 steel, during the heating and hot stamping process, tends to develop a substantial amount of loose and easily detachable oxide scale on the surface, negatively impacting the lifespan...

Intelligent warehouse picking is to first receive and integrate customer orders, and then carry out task assignment and picking according to order information. When the number of orders received in a certain period of time is large, and the number of items in a single order is large, picking one by one...

This study aims to determine the effectiveness of a basic swimming learning model in improving students’ motor skills. The research employed an experimental method using a one-group pretest–posttest design. The participants consisted of 20 students selected through a purposive sampling technique. The...

The special wettability and micro/nano-structure of locust wing were investigated by a video-based contact angle (CA) meter and a scanning electron microscope (SEM). The wetting mechanism was discussed from the perspective of biological coupling. Locust wings were used as biomimetic templates to fabricate...

The " "-" " turbulence model and the VOF method of moving interface tracking have been used to generate the wave. By two-way iterative method, the fluid structure interaction between wave and steel pipe pile platform has also been simulated numerically by using ANSYS Workbench. Taking the construction...

There has been a lot of research on justice sensitivity in psychology abroad, but it has just begun in China. 392 students from universities in Nanjing and Shanghai were measured by the Justice Sensitivity Inventory and the Self-report Altruism Scale. The results were as follows: (1) The level of justice...

The study concerns the diminishing inheritance of Chinese traditional art practices in our modern age, it considers the significance of tradition and its continuity through time, place, and people. In the ever-revolving age of contemporary art practices, the heritage of ancient art reshapes modern approach...

For ball mill grinding process random interference by many factors, processes complex mechanism, there was a big inertia and lag, conventional PID control effect was poor, the particle swarm optimization neural network approach was introduced into the mill control system, it had strong robustness, can...

Small and medium-sized enterprises play a decisive role in economic field in China. However, global economic downturn add Management risk for Chinese Small and medium-sized enterprises, E-commerce with its unique advantages becomes an important channel for these enterprises to exploit overseas market....

4-(4'-quinazolin-ylamino) phenyl-4-(N,N- dimethylamino) phenyl propenyl ketone with total yield of 68.0% was synthesized with 2-aminobenzonitrile and N,N-dimethylformamide dimethyl acetal as a starting material, the synthesis of N-(2-cyanophenyl)-N,N-dimethyl formami- dine, and then amino acetophenone...

Formaldehyde is one of the substances causing sick for human being.Small doses of formaldehyde can cause a variety of symptoms of physical discomfort. High dose and long time exposure to formaldehyde will increase the probability of cancer. However, the content of formaldehyde in the newly renovated...

With the arrival of digital era as well as networked era, it is inevitable for medical field to realize digitization and network. Nowadays medical imaging has been in widespread use. However, the increasing number of im-ages and their large-size character put much pressure on the storage space. What's...

In order to advance the instruction of the Smart Grid, resolve the peak regulation problem brought by new resources connected to the grid, and change the situation that hydropower peak regulationis regulated freely, analyzing the component of the hydropower peak regulation and indicating that the cost...

The National People's Congress has explicitly taken “promote regional economic integration of Beijing-Tianjin-Hebei Development” into the national “Twelfth Five Year Plan” draft. Under the new situation, accelerating the transformation of economic development mode and promoting the adjustment of industrial...

Against the background of “the Belt and Road”, Yunnan province is the hub of two economic corridors, namely China-Indochina Peninsula Economic Corridor and Bangladesh-China-Burmese Economic Corridor. Moreover, Yunnan province is also the core of “herringbone” Sino-Myanmar Economic Corridor. Based on...

Marxist philosophy insists that material comes the first, but consciousness does the following part, and contradiction is the force and motive for things' development. This paper is going to by Marxist philosophy present an in-depth analysis for Isabel's beauty, who is the heroine of Henry James' masterpiece...

Objective: To explore gender characteristics and the level of mental health of Students in the private college. Methods: 2441 private college students were assessed with SCL-90 questionnaire. Results: Interpersonal-sensitivity and obsessive-compulsive were main problems in these students. The significant...

This paper analyzes the economic management category talents cultivation problem of colleges and universities in China, expounds the necessity and urgency of cultivate students' practical ability and innovation ability, sets the production management as an object, puts forward the basic train of thought...

As to the outdoor real-time change has a bad influence on the obstacle detection and avoidance for UAV with monocular-version, this paper propose a moving obstacle detection algorithm based on three frames subtraction with adaptive iterative threshold and optical flow. Based on improved three frames...

The structural reforms of agriculture and rural areas are always the focus of Chinese government to implement public management activities. In order to reasonably and orderly operate the capitals that have been introduced into the field of agriculture, farmer and rural areas, our government needs the...

Teaching quality evaluation is an important work in teaching management. In order to improve the accuracy of teaching quality evaluation, according to the evaluation data at a certain university, an evaluation model based on BP neural network optimized by gravitational search algorithm (GSABP) is proposed....

In view of the low efficiency of inspection and pricing caused by frequent design changes and cross-disciplinary information fragmentation in long and long trunk railway projects such as Ganqing section of Lanzhou-Xinjiang high-speed railway, Aiming at the demand priority decision-making problem of BIM...

In order to calculate stray losses and predict temperature distribution as accurately as possible in power transformer tank walls and other mental constructive parts, an analysis method of the electromagnetic-thermal coupling is presented. TEAM Problem 21 (P21-B, P21a-2, P21c-M1) are adopted to verify...

In view of the environment of innovation and entrepreneurship, libraries, as literature and information centers and autonomous learning centers of universities, should give more targeted information services. Based on this, this paper proposes that libraries should use abundant literature resources,...

The sense of gain of political theory course for non-commissioned officers (NCO) refers to the relatively stable, active and positive psychological experience that non-commissioned officers gain and improve in cognition and behavior, emotion and attitude, thoughts and values, etc., during the teaching...

In the traditional product design method, the design method simply based on the knowledge and experience has hindered the efficiency of the product design, and it brings inconvenience to predict the tendency of the product shape. To solve this problem, a shape generation method is proposed, based on...

The enhanced degradation of refractory organic compounds by assisting plant during the activated sludge process has been a hotspot. Aniline was used as a model compound to study the reinforcement degradation of alocasia macrorrhiza during the activated sludge process. With the help of the assisting plant,...

The university student volunteer service is the modern society civilization progress important symbol. College students ' volunteer service gives students more opportunities to devote their love to the society and make contribution to the best of their ability. The development of university Students...

Seasonal variations in sensible heat flux (Hs), latent heat flux (LE), and carbon dioxide flux (Fc) during 2005 over an artificial rice wetland in the Liaohe Delta, Northeast China, were investigated using the eddy covariance (EC) technique. The results show that Hs is relatively larger (>200 W m–2)...

Sandeq boat is a kind of marine transportation, since long has been operated by fisherman or seaman of Mandar along the coastal water area, as well as for fishing in Sulawesi Barat. Surprisingly, it is still a lot of people including the younger generation of Mandar not knowing the ins and outs of their...

Bolting is the beginning of flowering and plays an important role in plant growth and development. Detecting changes between and after bolting will provide the foundations for molecular studies of lettuce. Here, we observed morphological characterization and paraffin section in different parts of the...

Due to the influence of COVID-19, most colleges carried out online teaching. The evaluation of online teaching quality was the focus and difficulty of the sustainable development of online teaching. This research was based on the PDCA theory (Continuous Improvement Spiral), taking M University’s online...

As a writer who received the “new learning” education, Zhao Shuli was influenced by the spirit of the May 4th Movement, however, the women writing in his works in the 1940s was somewhat biased. As a writer in the liberated area, the women writing of Zhao Shuli was influenced by the cultural environment...

Position-based routing is a promising technology for VANET. And location service is the fundamental component for the success of position-based routing. A map-based location service algorithm is proposed in this paper. It uses a predesigned hash function to map a node to a certain location, where location...

After analyzing the signification of structure and definition about dimension to aggregating operation, confirms that some dimension classes maybe produce analysis demands which are similar to dimension hierarchies, provides CDCDH method for conversion from dimension classes to dimension hierarchies....

In the teaching practice, professional guidance teachers should guide students’ research-oriented learning, explore scientific cultural and creative product development mode, constantly optimize the design, and learn advanced cultural concepts. In the teaching practice of cultural and creative product...

This review paper explored the relationship between social media addictions and depression to clarify further the link between overuse of social media and depression and enables individuals to know about the harmfulness of overuse in social media and raise the consciousness of cautiously using social...

The construction process of a shield tunnel near-underpassing highway bridge piles involves critical challenges in ensuring the structural safety and deformation control of the bridge piles. This paper systematically investigates the impact of shield tunnel construction on highway bridge piles using...

In this paper, we demonstrate how probabilistic model checking can be applied to a study of dependability analysis for a Software-Defined Network with the PRISM tool for probabilistic model checking. Based on probabilistic model checking, the Software-Defined Network is modelled using large and complex...

It is an effective way for reclamation to expand our living space and improve our living environment, but with the reclamation construction more and more, it makes land and sea environments tremendous influence and destruction in recent years. In this paper, by using the numerical simulation methods,...

By analyzinge the problems in public computer course in universities, it is aim to increase the students’ comprehensive abilitiey, innovation ability and autonomous learning ability. It is proposed that the public computer course is divided into six modules, different computer courses is set in each...

In the process of the survival and development of the organization, the leader is always at the core. The leader is related to the survival and development of the organization, so the leadership ability determines the future of the enterprise. This article summarizes the current status of leadership...