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By the analysis of the knowledge constitution in the field of valve product design, combined with the CAD system based on knowledge , the knowledge support model is constructed, in which the knowledge support mechanism facing product design process is discussed, the knowledge support mode of each design...

Non-line-of-sight (NLOS) is the major problem for the indoor localization. So as to deal with NLOS propagation, a novel NLOS identification method is proposed based on the skewness and slope of the (energy detection) ED-based received energy block. IEEE 802.15.3c 60 GHz channel models are used as examples...

The study proposes optimization strategies which based on nonlinear and fuzzy control of coordinated control system of thermal power unit. On the basis of direct energy balance(DEB) method, variable gain and nonlinear course are introduced to improve features of control system and PID parameters are...

Acoustic echo is a common phenomenon in voice communication. The interference signal caused by acoustic echo will greatly reduce the quality of voice transmission. Thus, techniques should be applied to diminish acoustic echo. This paper endeavors to introduce the application of adaptive filter in acoustic...

At present, the concept of “New Engineering” advocated by the National Education Department aims at making up for the serious lag and inadequacy in the current college engineering education. At the same time, it is also a demand for engineering and technological innovation talents in terms of the society,...

Pine pile is an ancient technology applied in soft ground improvement for more than 1000 years. With the rise of many high-rise buildings, many types of modern mechanized-construction pile are widely developed and applied, for example, steel pile, precast concrete pile, sand pile, gravel pile are widely...

In this paper, an efficient multidisciplinary design optimization method based on evidence theory is proposed. Evidence theory is used to quantify uncertainty in terms of uncertainty measures of belief and plausibility. Since uncertainty measures provided by evidence theory are discontinuous functions,...

The many problems in society cannot be separated from the role of wisdom in individual. This is because people who have wisdom will think and act appropriately, so that harmony in the environment is maintained. The long-term purpose of this research was obtaining the Indonesian version of the Wisdom...

With the rapid growth of the stock market, stocks have been viewed as one of the most popular investments. Investors then face a problem that is how to allocate resources among the variety of stocks with the aim to increase their wealth through investment activities. The paper aims to design an investment...

In the feminist school of thought, the establishment of a "female technology" perspective effectively responds to the traditional gender lens of accepting social construction in pursuit of equality following patriarchal standards and the questioning and denial of the history of female experience,...

Under the dual influence of digital technology and globalization, Japan’s younger generation is transforming the characteristic ambiguity inherent in its traditionally high-context society into a digital survival mechanism, thereby instigating a systemic civilizational crisis. Delving into this phenomenon...

At the present time, "flipped classroom" mode has attracted more and more attention, especially some trials have been put into practice and gained much teaching progress. This thesis attempts to explore the application of flipped classroom in vocational English teaching through the analysis of its features...

Synchronization of multi-coupled dynamical networks has received considerable attention recently. However, it is often difficult to estimate the coupling coefficients since we cannot get the exact boundaries of the variables for most chaotic systems. In this paper the network consisting of N (N 3) coupled...

Early warning system in aeronautical chart becomes one of important issues when it comes to low-altitude airspace management. Aeronautical chart visualization technology can be widely used in obstacle avoidance, security alarming, etc. This article firstly discusses current flight safety situation in...

Visual tracking has been an active research topic which has a wide application in many computer vision tasks such as intelligence surveillance, vehicle navigation, human computer interaction, and so on. Introducing the background into the template set as the negative sample, the representative ones combine...

The land subsidence is a geological hazard which is a reduction of regional elevation resulted in the compact of soil, caused by the natural and human factors. This paper mainly expounds the influence of water level, soil conditions, and the upper building load on the land subsidence, and provides the...

In this paper, ultra-broadband mid-infrared (MIR) supercontinuum (SC) generation ranging from 2 to 15 m in As2Se3 photonic crystal fiber (PCF) was investigated numerically by multipole method and the adaptive split-step Fourier method. By choosing different hole sizes and the pitch parameters of the...

To reduce the dynamic responding time of cryogenic valve, and improve the reliability and security of cryogenic valve, depending on the operation principle of cryogenic valve, a dynamic responding transferring non-linear function and dynamic responding model of cryogenic valve were built based on kinetics...

This paper aims to study the valuation models and build a valuation model taking the macroeconomic variables into consideration to assess the value of the startups. This research method uses the Fisher equality and DCF three-stage model, then build a cluster model taking account of the inflation rate,...

The buried steel pipeline is confined by the surrounding soil, and the deformation is often too large and buckling occurs due to the change of the environment, which becomes one of the difficult problems in the integrity management of buried steel pipeline. At present, most of the studies on buried pipeline...

The formation of N-doped graphene (NG) use hydrothermal method with urea as reducing agent and nitrogen source. The surface elemental composition of the catalyst was analyzed through XPS, which showed the atomic ratio of N/C is 5.0%, indicative of the effective N-doping. The Au@Pt core-shell nanoparticles...

The conventional monitor mode of intensive crowd depends primarily on manpower or video surveillance, which employed to manage the crowd to prevent stampede is very difficult to implement effectively. For the purpose of judging the state aggregation of pedestrian in time, in this paper the correction...

This paper uses the soft switch technology, power devices under the condition of zero voltage or zero current conduction or shut off, it can effectively reduce the switching loss,and theoretically zero switching loss.Soft switch technology of switch power supply theory analysis, this paper analyzes the...

At present, the project cost management of most electric power construction enterprises remains in the following way: the Finance Department will judge the surplus-deficit status of the engineering in accordance with the income from engineering settlement and actual cost of engineering and make evaluation...

Knowledge sharing of repatriates is embedded in a complex project environment and affected by the organizational knowledge governance mechanisms. This paper seeks to find out the mechanisms that promote repatriates to share their knowledge achieved in international construction projects after returning...

Based on the comparative analysis of model between PC (prefabricated concrete) structure and traditional cast-in-place structure, a review process of BIM design model for PC project was established. Moreover, a review criteria of BIM design model for PC project was proposed, which includes the division...

The Totality of the Socialist Self-confidence Discourse System with Chinese Characteristics is embodied in three aspects: first, it is a structural aggregate, that is, a complete discourse system; second, it is a historical aggregate, that is, a generated discourse system; third, it is a spatial aggregate,...

A new copper(I) complex of [Cu(Flu-im-Py)(POP)]PF6 supported by Flu-im-Py =5-(9H-fluoren-2-yl)-2-(1H-imidazol-2-yl)pyridine, POP=bis(2-diphenylphosphanyl)ether, was synthesized and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry. The...

In the body due to some exogenous factors and endogenous metabolic processes, leading to oxygen molecules produce reactive oxygen species. In the normal metabolic process, reactive oxygen intervention is harmful, reactive oxygen species within and outside the cell to initiate a variety of biologically...

Financial report is the final product of financial accounting, an effective medium for the enterprise to communicate with the outside world about the financial condition, operating performance and development prospect and the main basis of related decision making for the financial information users....

Electron Multiplying Charge Coupled Device (EMCCD) is a kind of high sensitive imaging device, widely used in shimmer detection field. The paper proposed a design of image processing system for CCD201, an EMCCD with high frequency and high sensitivity of E2V Corporation. We selected the Xilinx product...

This article points out each of the current analytical methods used in CT mechanics of rock and soil avail of observation, wasting the precious quantitative information of CT datum. Based on the conception of the intercepted section in the damage-fracture space, utilizing the knowledge of the set theory,...

Business intelligence plays a crucial role in modern business. Nevertheless, present business intelligence is not in a position to provide comprehensive business advices owing to limitations on the scope of data and satisfy the indispensable timeliness for business activities. To address these problems,...

China has entered the stage of aging society, and the pension problem has become one of the hotspots of public concern. This paper uses the Grey Prediction GM (1,1) model to predict the population trend of the elderly in Tianhe District and the proportion of the elderly in Tianhe District choosing community...

Under a comparative framework of cultural differences, this essay aims to scrutinize the representation of female subjectivity in terms of self-consciousness, gender performance, and the ethos in China’s 1980s. As the configurations of women constitute a special field of cultural production in modern...

Tsuuyaku is an interpretation skill. But how can these skills be acquired effectively and efficiently? This study tries to apply Project Based Learning in oral translation learning in the Tsuuyaku course, with the aim of measuring the effectiveness of the Project Based Learning method on oral translation...

Discrimination often occurs against women. Discrimination against women is reflected in Javanese novels as well. Through feminist literary criticism, this paper is focused on describing the problem of how discrimination is experienced by women and how women try to fight this discrimination. The analysis...

Existing security protocols are only promoted or evaluated in one of the aspects of security or performance, but network users' demand for network security is diverse and varied. Providing one security protocol does not meet users' demand. Meanwhile, there is a severe phenomenon of wasting network resource....

Teaching quality affects the level of teaching and educational standards in the school. Conducting objective, impartial and scientific evaluation for curriculum teaching quality is an important task of teaching reform. According to the construction of teaching quality evaluation model based on AHP, this...

It is a big challenge to get complete accurate information as well as deal with huge amount of signal information when an ultrasonic phased array (UPA) instrument is used to test aircraft components. To solve this problem, a method that combined information fusion technology with Graphic Processing Unit...

Based on the model of multibeam synthetic aperture sonar (MBSAS) and the principle of multiple subarray interferometic, a high resolution multibeam synthetic aperture interferometric imaging algorithm was proposed. Firstly, the algorithm got the target rough position via the Back-Projection (BP) algorithm...

Nowadays, quite a few accidents occur around us. During an emergency situation in public, decisions must be taken in a timely manner. But seldom people have the experiences to deal with such hard situations. So, there is a great need of a simulate system based on network for emergency exercise. This...

CNC grinding machine tools is the parent machine in modern machinery manufacturing, our country’s machine tools is a certain gap with foreign countries, therefore, it is very urgent to improve the reliability of CNC grinding machine. This article is mainly based on data collected in the factory, using...

A novel hierarchical Fe3O4/TiO2 hollow microspheres were prepared by combining sol-gel process, hydrothermal etching technology, and high-temperature calcination. The microspheres displayed excellent performance in the photodegradation of methylene blue under visible light. The Fe3O4/TiO2-LiNO3 composite...

A new type of seismic isolation device, SMA spring-friction bearing (SFB) is developed and its application to lattice grid structures is investigated in this paper. First, a simplified restoring model is derived to simulate the hysteretic behavior of the SFB. Then, a SFB specimen is fabricated and tested...

PCM/FM signal model, this paper presents for the PCM/FM demodulation analysis presented PCM/FM signal characteristics of a new method -WVD law, and PCM/FM signal to be analyzed under different noise simulation, the results show , PCM/FM is a very effective method WVD analysis.

Tennis education is an important part of the physical education system of colleges and universities in China. Its quality is directly related to the improvement of the quality of contemporary college students in sports, and also related to the development of current college sports culture. From this,...

The method was proposed to integrate network resources of Oil geology by difference modes based on the characteristic of china Oil geology network resources and integration pattern of network resources. The following primary network resources integration system was developed based the Web technology...

Challenges in management Stroke is a leading cause of death and disability worldwide that necessitates timely and precise diagnosis for appropriate management. This paper proposes a new Genetic Algorithm-Optimized framework of BiLSTM networks for Stroke diagnosis with Neuroimages. And optimize their...

Obsessive-compulsive disorder has become one of the common psychological diseases in society, which seriously affects the cognition and daily life of patients with obsessive-compulsive disorder. This article is a general overview of obsessive-compulsive disorders. First of all, the study defined the...