Search all articles

In this paper, a rapid detection method for weak signal detection is proposed in resonant pressure sensors. The method is based on cross-correlation with a dedicated phase sensitive detector (PSD) and an improved integrator. The PSD is the sensitive resistor which is an ideal analog multiplier based...

First, each company's taxi subsidy scheme is mainly to improve fuel costs when oil prices rise subsidies, paid holidays, extreme weather subsidies. However, these subsidies with respect to the money and high fuel costs, but inadequate. In heavy traffic roads, peak demand periods, there are still many...

In this paper, steel slag powder, slag powder and fly ash mixed with different proportions, equivalent replacement of cement, as concrete admixture, study the effect of the admixture on the performance and mechanical properties of concrete, and through the XRD, SEM, differential thermal and other micro...

Fe2O3 nanorods grown on reduced graphite oxide RGO was synthesized via a facile hydrothermal method followed by a heat-treatment process. The Fe2O3 nanorods grown on the RGO has a average diameter of 40 nm, which is smaller than the pure Fe2O3 nanorod. Investigated as an anode material for Li-ion batteries,...

Advanced greenhouse technology determines the pace of development in agriculture. However, because of differences in the region, our country is still a higher operating cost in the agriculture field, personnel technical ability is not higher factors and the popularity of intelligent greenhouse is not...

The compatibility, stability and the pyrolysis behavior of aluminum based solid-liquid compound fuel were systematically investigated by thermogravimetric analysis (TGA). The compound fuel lost its 30% weight before the temperature rose to 150 . AP decomposed at 210 and lead to 50% weight loss. The reaction...

Based on a new buffer layer, the characteristics of multiple proton implantations field stop IGBT ( MPI-FS-IGBT) were simulated and analyzed Different from the conventional field stop IGBT (FS-IGBT) which has an abrupt thin buffer layer and grade-doping field stop IGBT(GFS-IGBT) whose buffer layer was...

Blue fluorescent material combined with red uorescent dye doped into tris-(8-hydroxyquinoline) aluminum (Alq) in multilayer organic light-emitting diodes(OLEDs) were investigated. Basis device architecture is indium tin oxide (ITO)/ N,N -bis-(1-naphthyl)-N,N -diphenyl-1,1 -biph-enyl-4,4 -diamine(NPB...

Exception Handling in Java and other languages make it possible to raise exception and attaching exception handlers to particular blocks of code. In most research, more people focus on testing of exception handling of programs, Alexandre L. Martins [1] force the execution of exceptional path to improve...

The fetal heart rate (FHR) is a significant indicator of whether the fetus in the mother's womb is healthy. Ultrasonic Doppler detection is extensively used in the detection of FHR due to its high sensitivity, good directivity, and non-invasiveness. However, analog multiplier demodulation is usually...

An automated testing method for vehicles' UDS (Unified Diagnostic Service) protocol stack [1] based on CAN bus is presented in this article. According to different diagnostic services, which are specified in ISO 14229-1, a strategy of generating test cases is designed by using a comprehensive method,...

Under the background of big data recent studies have revealed that emerging modern machine learning techniques are advantageous to statistical models for credit risk evaluation, such as SVM. In this study, we discuss the applications of the evolution strategies based support vector machine with mixture...

Coordinated volt/var optimization is fundamental to power dispatch and stability of power system, a novel particle swarm algorithm based multi-agent(MAPSO) is presented. The algorithm combines particle swarm optimization algorithm(PSO) with multi-agent system(MAS). The PSO-MAS utilize an agent as a particle...

This paper addresses the problem of scheduling jobs on parallel machines with machine eligibility restrictions so as to balance the workload among machines. A weighted bipartite graph model G=[J M,E,W] is used to formulate the studied problem. We propose a two-phase algorithm to find the optimal solution....

The immobilization of lactase is a more attractive approach to overcome the disadvantage of the free lactase. In the presented work magnetic Fe304 fluid was synthesized by chemical coprecipitation and its surface was modified with sodium oleate. Then the liquid paraffin was used as dispersant and glutaraldehyde...

Automotive industry in the Czech Republic is important and highly monitored. The reason for this is mainly the fact that the automotive industry contributes significantly to the formation of GDP, according to Ministry of Industry and Trade (MIT, 2015) 15% long-term profit is made in the automotive sector....

Based on the background of a double line shield tunnel in Shenyang metro, the construction process of double line shield is simulated by using the finite element analysis software of GTS Midas. The change course of ground surface settlement during construction and the influence of the physical and mechanical...

In sewage treatment, the sewage whose carbon and nitrogen(C/N) ratios is less than 8 is defined as low C/N ratio sewage. This study contrasts the treatment effects under different C/N ratios in aerobic membrane bio-reactor. The experiment is performed in the following conditions: Temperature is from...

A new copper(I) complex, [Cu( Flu-imPhen)(POP)]PF6, where -Flu-imPhen = 1-(9H-fluoren-2-yl)-1H-imidazo[4,5-f][1,10]phenanthroline , POP=bis(2-diphenylphosphanyl)ether, was synthesized and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry....

The similarity between different subcategories and scarce training data due to the difficulties of Fine-grained recognition. Even in the same subcategories, there can be some differences due to the distinct color and pose of objects. We propose some models for fine-grained plant recognition by taking...

According to the theory used in researching certain type of doubly singular differential equations, by computing directly, we find out that a singular partial differential equation in two complex variables has a unique formal power series solution which is in a special form and whose coefficients can...

This paper sets the three bilateral trade flows (1999-2014) as the basis of analysis and adds trade system arrangement policy variable within the classical trade gravity model. It also constructs the panel data model of three bilateral trade between China,Russia and Mongolia. The empirical results show...

Ever since practicing the policy of reformation and opening, the economic development of Guangdong province has roughly experienced the three stages: the take-off stage (1979-1991),the accelerating development stage (1992-2002) and the scientific development stage (2003-now). Guangdong Province has made...

As the end of 2015, there are 25 cities having finished urban rail transit construction in China, and the total length is 3293 kilometers. There are 40 cities building the urban rail transit, and the length will be more than 4000 kilometers. It is estimated that the total investment of urban rail transit...

This paper inspects the effects of structural reforms of the mainland on the cross-strait economic and trade exchanges between 1995 and 2014. The research focuses on four fields: the institutional reform, the reform of the financial sector, the reform of the labor market, and the reform of the trading...

The development of HIV/AIDS is not only caused by virus, but also by the low health literacy. The low health literacy can also lead to various social problems including impeding the people living with HIV/AIDS (PLWHA) social relationship. This study aims to describe 1) The cause of low health literacy...

This research is conducted related to the tendency of society in understanding Islam in globalization era. With the many challenges faced in life, there is a change in understanding Islam from idealism-rationalism toward pragmatism-materialism. From the social phenomenon mentioned above, this research...

Alternative conception is students' conception of scientific concepts that are inconsistent with the conception of scientists. Various studies show that alternative conceptions of chemical concepts occur in students, including acid-base concepts. Various identification of alternative conception methods...

The national medium and long-term education reform and development planning outlines the need to build a high-quality teaching team. The teachers are the base of education plan. Only if there are good teachers, can there be a good education. At the same time, it is necessary to enhance the sense of responsibility...

The national medium and long-term education reform and development planning outlines the need to build a high-quality teaching team. The teachers are the base of education plan. Only if there are good teachers, can there be a good education. At the same time, it is necessary to enhance the sense of responsibility...

How urbanization affects the regional economic development. And it has been praised by educational world attention, especially the current unbalanced development. This is not fully the most outstanding performance as the gap between urban and rural areas, and the main performance in the income gap between...

To investigate the academic status of students and to analyze the trend of students' academic achievement in a new local college of medicine and probes into the key control factors that affect the students' academic failure. Academic cleaning, questionnaire investigation and interview were used to analyze...

China's social development has entered a new era. The main idea of "Some opinions on deepening to streamline government functions and administration, delegate powers while improving regulation for higher education " is consistent with the spirit of the Nineteenth National Congress in China. Guided by...

Recitation--the traditional teaching method should be taken seriously again in English teaching. This is a survey report on the role of recitation in college art students' English learning. The research questions are: (1) Do you think recitation is useful for improving English? (2) Which recitation materials...

Philosophy is a theoretical and systematic world view. As the generalization and summary of people's natural knowledge, social knowledge and thinking knowledge. Philosophy, is the unity of world view and methodology. It is the concrete existence and manifestation of social consciousness and a social...

The GARCH model can describe the dynamic characteristics of the stock market yield better, but the conclusion of the analysis is not the same because of the different sample data selected by the research. On the basis of the research at home and abroad, this paper selects the China's SME board index...

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...

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...

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...

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...

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...

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....

The research on cost stickiness behavior is mainly about sales & administrative cost and manufacturing industry, lacking studies on particular niche business. Therefore, the real estate industry paid highly attention was chosen as the research object and an empirical analysis of cost stickiness behavior...

Use all A-share listed companies of main board market in 2012 as samples, this paper investigate the influence of environmental information disclosure behavior on the firm future market value and investors` confidence in capital market. The research conclusion indicate that: (1)The listed companies`...

In order to improve the communication efficiency of the spacecraft in the Proximity space link, a GBN-ARQ scheme is designed based on the proximity-1 protocol. On the basis of this, to maximize the system throughput and normalized throughput, the data frame length and the sliding window length are optimized,...

Undergraduate students should have good moral character and behavior habits, Bohai University had design a quantitative behavior assessment system for undergraduate students. The assessment purpose is to make the undergraduate students to learn to behave, learn to work, learn to cooperate, and learn...