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Recently, microspheres have attracted much attention because of their numerous applications as optical microcavities, for example, in microlasers and micro-sensors, using the excitation of whispering gallery modes. In this paper, an economic and simple method(powders floating method) is used to fabricate...

We evaluate a scheme of single-relay network coding based on 4FSK (4 Frequency Shift Keying) modulation. Firstly, a loose upper bound BER (Bit Error Rate) of 4FSK is derived in the presence of frequency offset in the direct link. Secondly, 4FSK modulation is utilized in the three-slot two-way relay network...

Along with the high-speed development of the social economy, the enterprises demanding the ability of college students have become increasingly, changes are essentially for the traditional practice teaching mode. This article will analyze the status quo of traditional training teaching mode, and proposed...

The increasing core counts and memory volume open opportunities to perform online transactional processing (OLTP) in memory, leading to a new type of databases, called in-memory databases. However, this also makes durability and failure recovery a critical issue due to the volatility of main memory....

Based on convolutional neural network technology and video key frame selection technology, we can complete the construction of human skeleton behavior recognition network of video sequence, and use Kivy framework to realize the intelligent analysis system of children’s behavior in Python development...

As an important member of the European Union, Germany is well recognized as a leader in economic and political fields. On the climate and environment protection, Germany’s performance is less impressive as it has failed its target in 2020. In terms of environmental policy, it has been questioned if Germany’s...

Appropriate courses teaching is the key to successful teaching and learning. In the practice of bilingual curriculum in China’s universities nowadays, the teacher can apply the idea of CBI to designing bilingual courses. CBI is an instructional theory that entails a combination of course content and...

Objective: The purpose of this lab is to investigate and compare three ways to eliminate the methanol in the air which is commonly produced by the refurbishment of furniture, they are respectively by pineapple slices, distilled water and formaldehyde cleaner. Methods: The main methods used in this lab...

Through the field investigation of traditional folk houses in Xingren Ancient Street, it is found that there is insufficient lighting quantity or insufficient lighting uniformity in traditional folk houses. Therefore, through the study of traditional residential lighting methods, combined with the architectural...

Aiming at the problems of high cost of orchard agro-technique information service, and service channel is not smooth, a "IOT and cloud services" mode platform architecture of orchard information service was established, which is including networking aware transport layer, storage layer, service layer...

Under the influence of the wind loads, the prestress of guy in the guyed door type transmission tower has a great impact on the mechanical properties of its structure. In order to study this effect, The paper establishes the appropriate nonlinear finite element model of the guy-door- type transmission...

Bus lanes have been proven to be beneficial for improving urban traffic efficiency. This policy ensures stable public transportation services, achieves a fair distribution of urban road resources, maximizes road utilization efficiency, and reduces disadvantages faced by vulnerable groups. These factors...

To reduce the interference of Ad hoc-cellular network system, and ensure the normal communication of chief users, this paper proposes an improved distributed channel allocation algorithm based on game theory. The algorithmic utility function not only considers secondary users’ interference each other,...

Boron nitride nanotubes (BNNTs) is a kind of material which have similar structure with carbon nanotubes (CNTs), but have more excellent performance, through experiments and research, scientists have a more thorough understanding of the preparation methods and properties of BNNTs, at the same time, they...

The continuous progress of mobile Internet technology has led to many new media products, short video is one of them. Its rapid rise has provided the public with rich and colorful entertainment enjoyment, but also brought about the negative function of "mental anesthesia". By using case analysis method,...

With the development of modern society, all walks of life increasingly need innovative applied talents with strong hands-on skills. Aimed at the disadvantages of the traditional practice teaching mode, and through the analysis of training mode at home and abroad, this paper puts forward a "teaching evaluation”...

With the improvement of computer technology, 3D virtualization technology whose application can achieve a comprehensive sensory simulation to simulate realistic environment has penetrated into various industry fields, and for the development and application of various electrical equipment in power industry...

This paper analyzes how the AS's geographic locations and transmission distances affect on Internet's stability. In contrast to the traditional studies focusing on the future AS network which based on nowadays, this paper emphasizes particularly on the change of AS network's performance under the effect...

While the Mehrabian-Russell model has been widely discussed in service research, no attempt has been made to identify moderating factors for this model. The current study provides a more comprehensive view in an attempt to explore the impact of an exogenous variable on the model. A personally administered...

This study is going to reveal the real source of enterprise competitive advantage under moderate changed environments and high-velocity environments. Based on the literature review, the factor of environmental dynamism is drawn into the study structure, and a system dynamics analysis was made on the...

In order to improve efficiency of modeling glaze layer thickness distribution via air spray, a novel fast modeling method was developed which oriented to glaze spraying process parameters. According to analysis of the affecting factors of glaze layer formation, apply the software of the Fluent was utilized...

Natural Language Interface to Database (NLIDB) could convert natural language queries into SQL automatically, which has been extensively studied. However, how to apply NLIDB to the public security population database (PSP-DB) remains an open problem due to the challenges to utilize domain knowledge and...

Based on the current problems existing in professional courses in vocational colleges, this essay presents "teaching methods of behavior-oriented" to solve the problem. According to the advantages of this method compared to traditional teaching methods, apply this method to the teaching of the professional...

To enhance the WLAN data transmission capacity and improve network coverage, with ad hoc relay nodes introduced in WLANS, proposed a network structure, which can construct multi-hop network and realize ad-hoc networking. This paper first introduced network model structure of WLAN multiple hops ad hoc,...

This paper chooses the explanation of sports events as the research object, and analyses the concrete manifestation and core content of media convergence from different aspects such as information collection, media form and technology, transmission relationship, disseminator, and the increased difficulty...

The new-new trade theory, which focuses on enterprise's heterogeneity, is one of the frontier theories of international trade. It shows a strong explanation of the latest international trade phenomenon. We combine the frontier theory of international trade with the realistic demand of the development...

The paper adopts machine learning framework to analyze matching suitability of SIFT match points in INS/SAR integrated navigation system. The paper adopts machine learning framework to analyze matching suitability of SIFT match points in INS/SAR integrated navigation system. It aims to select the matching...

Several protocols implementing attribute-based group key exchange, which allows users with certain set of attributes to establish a session key, have been proposed in recent years. However, attacks on attribute-based group key exchange in current research have been considered only in stand-alone fashion....

Knowledge management and the accumulation of knowledge assets can enhance an enterprise's competitiveness. However, knowledge is intangible and immeasurable, and effective knsawledge management is challenging. The interior decoration industry is characterized by project implementation and discontinuous...

With the deepening in the combination of virtual reality technology and many fields, 3D virtual scenes have been maturing, which have brought a lot of convenience to modern applications. However, there are still many shortcomings and imperfections in today's 3D virtual scene system. For example, since...

Under the eccentric load of heavy-duty vehicles, single-column pier bridges are prone to accidents such as pier deviation, bearing extrusion, and main beam overturning, which seriously affect safety hazards. Therefore, it is necessary to reinforce the anti-overturning stability of the existing single-column...

Transactions with quantitative values are commonly seen in real-world applications. Fuzzy mining algorithms have thus been developed recently to induce linguistic knowledge from quantitative databases. In fuzzy data mining, the membership functions have a critical influence on the final mining results....

Recently, more and more investors have seen the huge profits that the digital currency market can bring, and Bitcoin price predictions are becoming more valuable both academically and in terms of business value. In this paper, we use the daily price of bitcoin from September 12, 2016, to September 10,...

To respond to the environmental change is important to the competitive advantage and survival of corporation. This research seeks to develop a contingency framework on strategy transformation, providing insights into the decision making processes of organizational change.Eight hi-tech cases were studied...

According to the local contrast and global distribution of an image, this paper detecting salient images through bottom-up data driven . First, this paper using adaptive segmentation method divided image into non-overlapping images, improved Block and Chessboar distance from a linear combination to replace...

This paper proposes a algorithm for 3D near-field source localization, which uses the cross array and fourth-order cumulant. We construct two high-dimensional matrices by using these six fourth-order cumulant matrices, according to the subspace theory, we can extract the rotation factors, which contain...

This paper introduces the concept of ecological system to the design of the product, put forward the concept of product digital ecosystem and established the corresponding model, designed to draw lessons from ecological system, and apply the mechanism of self-organization and adaptive, when design demand...

In recent years, new energy continued rapid growth in China. Installed capacity of wind power and solar power both surged the new highs. However, the problem of insufficient peak peaking capacity of power system of large-scale new energy grid becoming more and more serious due to the random and intermittent...

The impact of trade liberalization of agricultural products (soybean and dairy products) on China's agricultural development is a topic of great concern. The implementation of liberalized trade policies will have important impacts on China's agricultural sector. As important agricultural imports...

To understand the spatial variability of soil nutrients in plantation forest in depressions between karst hills, we examined the characteristics and spatial variability of soil nutrients in Juglans regia plantation in Fengshan County, Southwest China. Most soil nutrients had moderate variability, and...

With the adjustment of the international industrial structure, it has become an international trend for multinational corporations to outsource their productive service module. When global contractors produce and transmit productive service modules according to the design rules formulated by multinational...

In this study, 27 foreign students studying in the basic course of computer application are taken as the research object. The application level of computer is taken as the dependent variable. The mastery of computer terminology, production and demonstration of PPT, input speed, Correct rate of Chinese...

In recent years, network information security incidents occur frequently, network information security has risen to a national strategy. In order to ensure corporate network information security and prevent data leakage, the great harm caused by network infiltration attacks, this article designs the...

Single data center is difficult to meet current demands of data storage and computing resources, leading to data broadly stored in different data centers far from each other geographically. Cross-domain big data processing usually requires data from other data centers across different network. Since...

This paper introduces the concept of genes to the design of the product, put forward and set up product genetic model, aimed at apply the principle of gene expression to implement the product intelligent design, and strengthen the autonomy of product design, reduce artificial participation and related...

Spam is a major problem of the Internet, because it can cause pollution and waste of resources in the network environment. Therefore,spam filtering is necessary. After spam filtering methods study, presents a support vector machine and artificial immune system combines filtration methods and filtration...

In this paper, an improved feature selection algorithm by conditional mutual information with Parzen window was proposed, which adopted conditional mutual information as an evaluation criterion of feature selection in order to overcome the deficiency of feature redundant and used Parzen window to estimate...

The GPRS communication system discussed in this paper which uses S3C2410A embedded microprocessor as main unit and SIM300D as the GPRS communication module. The development process of the system is introduced detail in this paper. It includes the construct of the development environment, hardware system...

In the Belt and Road strategy, innovation is very important for Chinese agricultural enterprises going out. KIBS Embedding, playing the role of intermediary, has been influencing the current innovation of cluster enterprises by its interaction with these entities. However, the existing research on KIBS...

Based on hydrogeological data and years of land subsidence monitoring data in Liaocheng City, a 3D fluid-solid coupling numerical model of land subsidence in Liaocheng City were established. The model restored the evolution law of land subsidence caused by water extraction in the area, predicted the...