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Different from traditional immunization strategies, which suppose that the contact frequency of all nodes is same, in this paper, a new immunization strategy was established based on the principle of 'High-Contact-First'. The different link with different weight describes the relationship between different...

The task-based language teaching method is the further development of the communicative language teaching method (CLT) and has become the focus in the foreign language teaching field. TBLT attaches great importance to creating a natural language study environment, providing communicative opportunities...

The land use and cover change (LUCC) is more and more intensive in China for the rapid urbanization in recent years. Five remote sense images in 1988, 1996, 2002, 2009 and 2014 are used to analyze the temporal LUCC features in the Wohu basin in Jina city. Through calculating the special variance trend...

Cloud computing is a kind of based on the calculation of the Internet, through the cloud computing, to other computers and other devices to share information and resources. Although it can bring convenience, operated and managed in a cloud computing infrastructure services in the security problem of...

In the power operation, according to safety regulations, the staff must wear insulated gloves. However, in practice, the staff is easy to overlook, therefore, to improve security, we have developed a hand-held insulation tool detection alarm device. Method: Device using k60 microcontroller, microcontroller...

Grammar teaching has been a heated topic in the field of foreign language learning and teaching. The research of grammar teaching lies between the continuum of a series of grammar teaching dilemmas. This paper first reviews the pendulum movements of researches and their related grammar teaching approaches...

E-commerce activities are developing rapidly, and e-commerce itself is a course with strong practicality and operability. Practical teaching is an important part of e-commerce teaching, and a significant teaching link to cultivate students to understand the society and improve their application ability...

In order to meet the requirements of engineering education accreditation, aiming at the important basic course of Control Engineering Fundamental, a teaching model is put forward , which combine with the case teaching ,multimedia, MATLAB professional software. It enables students to have a deep understanding...

Either the alveolar bone defects or the severe absorbed alveolar bone led by the teeth extraction could have an effect on the orthodontic teeth movement. Guided bone generation technique has supplied a new method for the above clinical difficulty. Platelet-Rich Fibrin has been reported in the orthodontics...

Glass molding is a mass fabrication method for precision glass lenses. Residual stresses induced during cooling process were inevitable reserved in molded glass lenses, and can cause the quality deterioration. Control of the cooling rate is one of the methods to keep residual stresses at a required level....

As the increasing growth of the reform and opening-up policy and the continuous development of the external association are picking up speed, not only those who are major in English but also the students of the non-English major are needed in this society to acquire basic English skills that are applied...

In order to meet the needs of modern society for the cultivation of talents, college English education pays more attention to the cultivation of students' comprehensive application ability of language. The goal of college English teaching is to develop students' ability to use English language comprehensively....

In this paper, a kind of environmental three-dimensional parking equipment was designed, which was flexible, easy to assemble, disassembled and portable. As a result, the vertical and transverse movements of the parked vehicles were realized in need. Easy assembled and removable steel structure was used...

4-Chloro-6-methoxy-2-methyl-3-nitroquinoline (1) was synthesized from 4-methoxyaniline through three steps including Cyclization, Nitrification and Chlorination. The structure of the target product (1) was confirmed by 1H NMR and MS. This method started with cheap raw materials was of simple experimental...

For the purpose of improve the effect of multilevel thresholding image segmentation, a new evolutionary optimization algorithm based on the science of biogeography for global optimization has been bring in namely Biogeography based optimization (BBO). In this paper we propose an improvement to BBO. In...

Based on the analysis of the DNC technology, with reference to the modern enterprise workshop production operation mode, and research from the domestic some college training base construction experience. Summarizes related network communication key technology. Elaborated under the network environment....

In this paper, the writer demonstrates the influence of Internet on the self-regulated learning behavior of college students on basis of summarizing the literature and focusing on the specification. It is found that college English teaching mode based on the internet is beneficial for the promotion of...

Mobile ubiquitous technology and IPv6 technology makes it possible to perform the remote control and information transfer by using the mobile terminal, and it promotes the development of the Internet of things. Therefore, more and more intelligent terminal devices need mobility support, such as intelligent...

2-((4-substituted phenyl) amino) benzaldehyde, is an important intermediate for the synthesis of many biologically active intermediates of anticancer drugs. In this work, a rapid and high efficiency synthetic method for compound 1a-1b was established. Compound 1a-1b was synthesized from 2-chloronicotinic...

An intelligent analysis model of international trade safety in China was developed based on fuzzy least squares support vector machine(FLS-SVM). The application results revealed that the intelligent analysis model is valid for improving the analysis accuracy of the data with noises or outliers and its...

Sorafenib (1) in the medical field to show the potential biological activity. Literature on the majority of tumor cells have a high biological activity, such as lymphoma, breast cancer, prostate cancer. However, some synthetic route of Sorafeni has disadvantages, such as low product yield and complicated...

Thieno[2,3-d]pyrimidine is a key intermediate in many biologically active compounds such as GDC-0941 and BKM 120. In this work, a rapid synthetic method for compound (4) was established. The compound (4) was synthesized from the commercially available methyl 2-aminothiophene-3-carboxylate and formimidamide...

4-(Thieno[3,2-d]pyrimidin-4-yl)morpholine derivatives is an important intermediate which inhibited tumor necrosis factor alpha and nitric oxide. In this work, a rapid and green synthetic method for compound (5) was established. The compound (5) was synthesized from the commercially available methyl 3-aminothiophene-2-carboxylate...

1-(2-(piperidin-1-yl)ethyl)-1H-pyrrole-2-carbaldehyde 4a-b is a new aqueous solubility aldehyde as an important intermediates of small molecule anticancer drugs. In this work, a rapid synthetic method for target compounds 4a-b was established. The compound 4a-b was synthesized from the commercially available...

Afatinib (1) exhibited potential biological activities in medicine. There are shortcomings in the synthesis route of afatinib in the literature, the product yield is low and the post-processing is complicated. Therefore, in this paper, the two-step synthetic route of afatinib was optimized. The two-step...

How to find the optimal path between two nodes has been one of the most difficult problems in the internet. In this paper, a method of finding the optimal path based on neural network technology is proposed, which solves the problem of finding the optimal path by adjusting the weight of the neuron. The...

3-phenyl-1H-pyrazole (1) is an important intermediate for the synthesis of many biologically active compounds. It was synthesized from acetophenone (2) and hydrazine through two steps including Knoevenagel condensation, Cyclization reaction reaction. In this paper, three novel 3-phenyl-1H-pyrazole derivatives...

Chalcone is an important intermediate in many biologically active compounds such as flavonoid. Chalcone was prepared by the aldol condensation of benzaldehyde with acetophenone. In this paper, five novel chalcone derivatives were prepared. The structure were confirmed by MS and 1H NMR. Furthermore, the...

2-Chloronicotinic acid and its derivatives are important intermediates for the synthesis of medical antibiotics, anti-cardiovascular drugs, insecticides and herbicides, and they used in the synthesis pranoprofen and diflufenican. In this work, a rapid synthetic method for 2-morpholinonicotinic acid was...

This paper constructs the cultivation mode for talents specialized in animation, on the basis of characteristics of vocational major of animation production and design. Its basic concept is to divide the production and manufacturing of an animation film into multiple steps by following the main line...

Error theory and data processing is a compulsory course for measuring and controlling technology and instrument specialty in Colleges and universities. Students can master data processing methods, correctly estimate the measured value and scientifically evaluate of measurement results by learning this...

To develop the Daucus carota L. var. sativa Hoffm. industry in our country, the further development and utilization of Daucus carota L. var. sativa Hoffm. agricultural resources, using modern processing technology to Daucus carota L. var. sativa Hoffm. processed into Daucus carota L. var. sativa Hoffm....

University personnel files are formed during the higher education activities, including facultys', research specialists', instructional assistants', university administrators'. With the continuous expansion of the scale of higher education, the grow in number of faculty and staff and the increase of...

Innovative ability is the ability of introducing new theory, new idea, or inventing new technology and new product. Invention and discovery are the most direct reflection of innovative ability. In this paper, we first analysis innovative ability from academic definition, then discuss the relationship...

The existing bounding box has the contradiction between compactness and complexity. On the one hand, the poor compactness of the bounding box often leads to the poor effect of removing the disjoint objects, which leads to the low efficiency of collision detection. On the another hand, the good compactness...

As an important work to ensure the safety of navigation, marine hydrographic survey is not only the initial and basic link for the construction of integrated navigation system, but also the important content to fulfill the relevant international convention and implement marine management. This paper...

In many data analysis tasks, one is often confronted with very high dimensional data. Feature selection is an effective method to solve the problem with high dimensional data. The aim of feature selection is to reduce the number of features used in classification or recognition. This reduction is expected...

Found that the association between each characteristic attributes and behavior based on network intrusion data to achieve intrusion valuable data extraction and analysis,the use of denial of service attacks recorded KDDCup99 dataset simulation experiments.Weka software using association rule mining algorithms...

Along with the arrival of information era, the network is inundated with all kinds of information, and people are facing various kinds of confusion among the mass information, data analysis becomes a relatively hot potato. The proposal of cloud computing is able to well solve this problem and improve...

The main goal of this paper is to consider the necessary conditions of wave packet systems to be frames in higher dimensions. The necessary conditions of wave packet frames are established, which include the corresponding results of wavelet analysis and Gabor theory as the special cases. The existing...

Phonics is one important part of language learning and it contributes to language literacy through involving learners understanding the relationship between letter form and speech sound. It's made evident that younger learners are shown the ability to learn a foreign language in many researches and thereby...

According to the relationship between water quality parameters and trophic state index, as well as on the basis of the dividing lakes and reservoirs into four regions, the regional differences of water quality parameters is analyzed by using ArcGIS software, and the parameters include total nitrogen...

"Key Tasks of the Ministry of Education in 2014" planned to comprehensively promote the modern apprenticeship pilot clearly. Modern apprenticeship, as the name implies, is based on the traditional apprenticeship reform and innovation, which is a "school-enterprise cooperative vocational education system"...

This paper will construct a competitiveness evaluation system for star hotels so as to analyze their competitiveness situation. Based on this, it suggests to adjust industrial structure from the perspective of industrial scale, profitability and reception capacity to expand the industry business; promote...

This paper, which is from feminist perspective, studies the factors that have influences on young mothers when they choose infant milk powder; meanwhile, it verifies the relationship between some individual conditions (such as income, age, etc.) and their purchasing behavior. In particular, this paper...

The dividend policy has been one of the hot issues in academic research. As one of the three core financial management decisions, dividend policy is of great significance to the growth and development of enterprises. Based on China's 37 coal listed companies as samples, the relevant data with 2010-2015...

Follows the economic globalization and the knowledge economy arrival, the traditional rigid management pattern is restricting the enterprise human resources innovation and the initiative seriously, the enterprise human resources only then implements the flexible management to be able to adapt the now...

Software security is the cornerstone of computer system security. Among all the elements consisting of software security, control flow protection is undoubtedly the most important one. Once the process's control flow is hijacked, attacker can manipulate it to implement a variety of malicious acts and...

Writing is a difficult point in English teaching, and good writing ability needs the accumulation of English quality. As a result, teachers have spent plenty of time in teaching English writing for a long time. However, at present, the traditional teaching method of English writing is always based on...

Objective To investigate the expression of beta-adrenergic receptor( -AR) in glioma cells and the effect of blocking -adrenergic receptors on glioma cell proliferation. Methods: The expression of beta-adrenergic receptor in glioma LN229 and U251 cells were detected by real time PCR and Western Blotting....