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With the development and change of social and economic structure, new professions have been emerging and corresponding job training needs have emerged. Under the new conditions, the post training has the characteristics of time fragmentation, location mobility and object diversity, and it is a feasible...

Aiming at the problem of air charging safe, high efficient and energy-saving with pneumatic gas booster ,a constant pressure air charging system was designed to rapid filling respirator ,and the fire respirator`s com-pressed air bottle fast filling station was transformed into air charging experiment...

One infrasonic monitoring network in east-central China is built to study the infrasonic phenomenon caused by spontaneous or artificial events in the atmosphere.Two events of anomalous infrasound waves were recorded at five infrasonic monitoring stations before the Nepal earthquake which happened on...

In the process of modern military operations, the position of non-commissioned officers is very important, which bears the main training and operational needs of the troops. Therefore, the non-commissioned officers are required to have not only excellent professional knowledge, but also excellent practical...

In this paper, we proposed a novel image feature descriptor, namely texture structure histogram (TSH) for content-based image retrieval. This method using the color and edge orientation information to describe the image texture structure information. Considering the HSV color space conforms to humans'...

A motor parameter measurement and testing system based on virtual instruments and C8051F340 microcontroller is developed. This system can sample dynamic signals including each phase voltage, current, speed, torque, and temperature with a high-speed. USB 2.0 is used for transmission, and by application...

GIF image is one of the most widely applied images on the Internet. This article puts forward selective encryption algorithms for degradation mode based on coding features of GIF image and presents encryption effect picture through experience and then analyzes its safety, enciphered data size, format...

Many studies on static frequency characteristics have been done yet nodal dynamic frequency response characteristics gain more attentions for the important role frequency plays in power system stability. Influencing factors such as balance power, power shortage and electrical distance are altered during...

The observation of the frozen wall cannot be directly monitored, and it is needed to take an effective monitoring system to monitor. This paper presents the application of the one line bus technology to develop the mine ground freezing monitoring system, and the system is introduced in detail. By combining...

For on-orbit servicing of large valuable satellite, docking ring is a typical and strong component, which is fit for grasping by a space robot manipulator. In this paper, a novel method for measuring the relative pose of partial docking ring is proposed by introducing double-line structured light. Firstly,...

In order to improve users' overall demand satisfaction and improve the accuracy of material plan selection. Through IT quantitative data analysis theory, using the AHP analytic hierarchy process (AHP) and the quality of QFD house integration method of product material property parameter to calculate,...

Developing students' thinking ability is always an extremely important subject in mathematics teaching and research. To study it, both a lot of teaching practice and education psychology as the scientific basis. Therefore, teachers should make clear the essence and meaning of "thinking ability", its...

This paper based on the concept of direct lightning and induction thunder introduction, discusses the direct lightning in the calculation formula and its size (lightning over voltage amplitude is generally higher, up to tens of thousands of volts). In this paper, the calculation formula and the magnitude...

This paper intended to improve the comprehensive performance of the material by introducing zircon powder in magnesia-based castable. It was found that forsterite generated at the medium temperature, resulting that apparent porosity of the samples increased, bulk density decreased and cold crushing sthength...

The logistics industry is regarded as a new product of the new time, and it is quickly covering most of the region. This paper is devoted to simulate the operation process of logistics park, the Arena modeling is used to construct the ex-warehouse and warehousing model of logistics park for its more...

The combined overvoltage protection is a new type of overvoltage protection devices. Its principle and performance are the same as conventional lightning arrester. It also has unique advantages. Phase combined over-voltage protection can limit the over-voltage between phase and earth.While it can limit...

This paper presents the design of a 6GHz track-and hold circuit with input bandwidth. The track-and hold circuit adopts the design simulation of HBT process, able to work at a sampling frequency of 2 GHz, the highest sampling frequency can reach about 2 GHz. The SFDR of the track-and hold circuit can...

We use Fama-French to empirically analyze 2,288 portfolios of 26 China stock market industry sectors from 2016 to 2020 of industry sectors. The results show that: Although factor effect is common in China stock market industry sector, it shows obvious difference in factor dominance, among which 19 and...

The common on-line detection methods are introduced in this paper generally. Additionally, the application of on-line detection in shanghai distribution network is mainly analyzed and its further popularization is well programmed.

Radio frequency technology is a new identification technology, which developed relatively fast in recent years, and its superior performance with high value, this article combination of warehouse management of automobile parts industry, analysis of radio frequency technology in the warehouse management...

As the core part of dimension management, tolerance optimal design plays an increasingly important role in the whole process of product development. As the appearance of CATD, the designer can solve the problem of the dimension of the development and design process. This paper introduced the fundamentals...

Light pollution has not been a significant problem until the 1980s. This paper reviews literature focused on light pollution both from economic and technological perspectives. Prior studies mainly investigated the diverse impacts of light pollution on human health, ecosystem, energy loss and night sky...

Trichloroacetic acid (TCA) was used as a protein precipitation in the pretreatment process. The content of TCA in the sample was optimized. Lateral flow immunoassay (LFIA) based on superparamagnetic nanoparticle (SPMNP) probe for TTX detection was employed as a detection method. This article is intended...

The quality of sleep has a great relation-ship with health. The result of sleep stage classification is an important indicator to measure the quality of sleep. It was found that the symbolic transfer entropy about the wave of the wake and the first stage of non-rapid eye movement sleep reflect on the...

The curriculum design of electronic technology (CDET) is one of the most important practice links at Chinese engineering colleges. It is critical to deepen understanding of the application of the premise courses (such as Analog Electronic Technology and Digital Electronic Technology) , and at the same...

The underground oil storage cavern has the advantages of safety, large storage capacity and economical. It is widely used in the national strategic petroleum reserve and various commercial storage. In order to solve the problem of crude oil sludge deposition, this paper based on the principle of jet...

The rapid development of social media services has facilitated the communication of opinions through online news, blogs, post bar, microblogs/tweets, and so forth. This article concentrates on the mining of emotions evoked by newmaterials. Compared to the classical sentiment analysis by using the word-emotion...

In order to study the influence of the nozzle parameters of the rotating jet agitator on the mixing effects, the CFD software is used to simulate the flow field of the bidirectional nozzle of a rotating jet agitator in large crude oil tanks.The mass flow, turbulent kinetic energy and flow velocity are...

The service life of hot-end components in gas turbine for gas-fired power plant is hard to detect and evaluate. The relationship between temperature characteristics of hot-end components and the power load is established using the basic theory of gas turbine power cycle. The operating mode of gas turbine...

In the social transition period, there are many difficulties that the folk sports are faced with to be solved urgently in its existence and development. This paper analyzes and studies the current developing situation of folk sports by means of literature review, interview and comparison. And the result...

A single-stage high-load fan with arc skew slot casing treatment is chosen to examine the matching between the stator and casing treatment with arc skew slot. The numerical results show that the introduction of casing treatment with arc skew slot increases the inlet flow angle of the stator, leading...

As the traditional agglomerative hierarchical clustering has a higher number of iterations which makes low efficiency of parallel realization on Hadoop, we propose an improved hierarchical clustering method: when the between-class distance is monotonically increasing, by changing the clustering order...

Marine navigation information system is an indispensable modern shipping navigation equipment. With the continuous development of the international shipping industry, new demands have come up in real-time, stability and versatility, etc., which puts forward the higher request to the ship navigation system....

Aimed at temporary grounding wire detection problems in distribution network, some factors influence the detection precision, on this basis, an electromagnetic transient simulation model for temporary grounding wire detection was established based on PSCAD/EMTDC platform, the model simulates the actual...

The study of the "foreign residence translation" is of great significance in clarifying the translator's multicultural identity and the translator's subjectivity under the influence of his aesthetic ideology. This paper is a case study on Sidney Shapiro, an immigrant translator after the founding of...

This study is intended to expatiate on some key concepts in cultural semiotics, analyze the characteristics and functions of cultural semiotics, and indicate the importance of semiotic analysis. It defines the interaction between semiotics and culture through language symbols, shows the relationship...

A graph structure is a useful tool in solving the combinatorial problems in different areas of computer science and computational intelligence systems. In this paper, we introduce the concept of cubic graph, which is different from the notion of cubic graph in S. Rashid, N. Yaqoob, M. Akram, M. Gulistan,...

Hydromechanics course in university is strongly theoretical. And many students feel so difficult to understand and master that they produce the mood of study-weariness. So, in the teaching of hydromechanics course, measures should bu taken to reform it to keep pace with the times. This article explores...

The trend towards heterogeneous environments comes with an increase importance of Enterprise Application Integration (EAI). An integration platform consists of a set of inbound adapters, a core message broker, and a set of outbound adapters. We develop the model-driven EAI Platform Connection approach....

The cross-correlation performance be-tween epilepsy electroencephalogram (EEG) signals reflects the status of epi-lepsy patients which has importance for analyzing long-range correlation of non-stationary signals. For the first time, detrended cross-correlation analysis (DCCA) was applied to analyze...

Objective: To make a study of the key factors from the Src to the nuclear transcription factor ERK signaling pathway as the target and to explore the role of DEC1 mediated ERK signaling pathway in cervical cancer and its mechanism. Methods: On the basis of screening DEC1 positive cells, the Hela cells...

This paper mainly sorts out the teaching research of securities investment course for the past few years, which keeps a watchful eye on the students ability in recent years, analyzes the problems existing in the current teaching of securities investment course, and puts forward the reform thoughts of...

The numerical simulation of the hydrostatic bearing of the fluctuating load is carried out by Ansys cfx. The variation law of the oil film thickness with the load is obtained and compared with the static formula. It reveals the influence of periodic variation of the load displacement interface table....

Experimental teaching is an important part of Medical Advanced Mathematics. The software R, which is widely used, is an open source mathematical computing environment. It has powerful functions and plenty of packages. After analyzing the practical problems in college mathematics teaching, this paper...

Japanese Biblio-battle is widely accepted and disseminated by universities, libraries, bookstores and other cultural organizations due to their functions of searching good books, sharing information, improving speech ability and enhancing social communication ability and other function. Such form is...

Recently, video quality evaluation method based on structure similarity (SSIM) has been widespread concerned. Compares with other traditional methods, it has a better performance and is simple to calculate. In this paper, we follow a new simple calculate metrics method in quaternion model, by introducing...

The decision of the inflection point is the key to ensure automatic section cutting precision using a boom-type road header. In this paper, cutting precision model was set up for the first time to trapezoidal section and a method determining inflection point is given. Considered the cutting head’ projection...

This paper deals with the gear shift control of 2-speed AMT driving system of Electric Vehicle with gear backlash. A motor torque control strategy is proposed to eliminate the impact of gear backlash when adjust the speed of the driving system. The proposed control strategy is confirmed through simulation...

Understanding the settlement process of Cr in marine bay is essential to pollution control and environmental remediation. Jiaozhou Bay is a semi-closed bay located in Shandong Province, China. This paper analyzed the seasonal variations of Cr in bottom waters, and identified the settlement process. Results...

Study selection of Liaoning college classroom phubber as the theme, trying to examine the current situation in the classroom phubber universities of Liaoning province, based on the factors affecting the college classroom phubber formed within a certain range, to scale, open-ended questionnaires and interviews...