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According to the analysis of runway excursions incident data of China and world runway excursions prevention experience, this article present the importance of runway excursions prevention work in today's civil aviation safety management. Base on the analysis of domestic runway excursions incident data,...

In this paper, researchers establish and verify a method on the determination of B2O3 in boron nitride through volumetric titration. Three criteria including proportionable system error, extra system error and statistics error are investigated in detail. The results show that, this method meets the requirements...

Selenium (Se) is an essential nutrient for humans as it plays an important role in anti-hyperglycemic and antioxidant activities. The objective of this work was to evaluate anti-hyperglycemic and antioxidant activities of Se-enriched mycelium polysaccharides. The Se-enriched mycelium polysaccharides...

The application of ultraviolet absorption detector (UV) and circular dichroism (CD) detectors in series in HPLC systems has been increased in recent years. In this work, an effective method to determine the enantiomer concentration on line in chiral drugs was explored. Ibuprofen (IBP) racemate was applied....

As a new mode of education, flipped classroom gets popular attention both at home and abroad in recent years. By reversing the process of delivering and expanding knowledge，the flipped classroom changes the traditional teaching structure，and takes advantage of the time for face-to—face communication...

With the development of smart grid, the data service of large particle and IP in power communication network has been increasing, which has put forward a great challenge to the existing power communication optical network based on MSTP (Multi-Service Transfer Platform) technology and WDM (Wavelength...

This paper introduces the principle of electromagnetic induction of the high tension line. With the aid of the spark plug, induced charge can be transferred to the high voltage winding in the form of short pulse and then generate induced current .With the appropriate circuit, the induced current can...

To retrospectively analysis the clinical data of preterm infants diagnosed neonatal respiratory distress syndrome(NRDS) of our hospital in 2004-2009,and observe the efficacy of pulmonary surfactant(PS). Meth-ods Systematically review the medical records. Result: 257 cases preterm infants diagnosed NRDS...

With the new developing trend of specialization and segmentation in finance, the professional master with career backgrounds becomes a source of the core competitiveness of the financial industry. Based on the demand background of elites in specialization, internationalization and innovation, this paper...

Purpose: Loose endothelial cells and the destruction of the blood–brain barrier (BBB) are one of the pathophysiological mechanisms of early brain injury (EBI) after subarachnoid hemorrhage (SAH). Tie-2 receptor phosphorylation is important for maintaining integrity of microvascular endothelial cells...

Actual traffic signal control strategies rely on detectors, it detects traffic information as a control logic input. In fact, this kind of detector is based on facilities and usually called point detector which cannot directly provide the data of vehicle situation which includes speed, location, acceleration...

The research on reinforcement technology of Anhui style ancient buildings has developed rapidly. Through a series of interviews and practices, this paper is based on the theories of civil engineering and engineering cost, combined with nondestructive testing technology Bim digital modeling technology...

Rapid urbanization brings a quick growth of urban environmental pressure. Food consumption is taken as one of the most resource demanding and polluting daily activities in urban life, and is also the important part of urban environmental impact. We calculated the environmental impact of urban food consumption...

Based on the research of the standard twist drill geometry parameters, the cutting part of the structure of the geometric parameters are expressed as a fuction of radius, the chisel edge and the main cutting edge geometric parameters of the mathematical model are established. Drilling force is one of...

Road crack recognition and detection is one of the fundamental tasks in the fields of autonomous driving and intelligent transportation, which has attracted a lot of research interest in recent years. Thanks to the rapid development of Convolutional neural network, the accuracy of road crack recognition...

Based the theory of fluid dynamics, an efficient method is proposed for rendering smoke movement in three-dimensional space. Real-time rendering of smoke movement is implemented with coarse grid and larger time interval by solving Navier-Stokes equations. Experimental results show that the method is...

The Langmuir- Blodgett (LB) technique makes it possible to prepare a thin film with a controlled thickness at the molecular level and a well-defined molecular orientation. In this work, 1,2-bis(3-thiophene imine) ethylene (B3TIE) were synthesized by reacting benzaldehyde and Ethylenediamine and were...

The identification of entrepreneurial opportunities is a process that must be experienced before returning migrant workers to make formal entrepreneurial decisions. The ability to judge the maturity of entrepreneurial opportunities will directly affect the effectiveness of entrepreneurial decision-making....

A readout circuit with low leakage current is presented which performs leakage current suppression and integration linearity enhancement. An additional transmission gate is added to suppress the leakage current by forcing each end of MOSFETs in the transmission gate to be equal so that the discharge...

To discuss the epidemiological characteristics of congenital syphilis. Methods: Retrospective analysed the 183 cases of congenital syphilis from Jan. 2002 to Jan. 2012 in our department, and the gestational age, sex, birth weight, delivery mode, age on admission, onset time, parents’ occupations, medical...

With the deep integration of artificial intelligence technology into the educational field, enhancing the AI literacy of teachers in higher vocational colleges has become a key factor in promoting the modernization of vocational education. Based on the background of educational transformation in the...

Particle pollutant is the prime pollutant of most cities in china, the tiny particle accumulated lots of harmful substance, and it is the carrier of bacteria, revealing the Mechanism of particle transport has an important meaning on controlling the indoor particle pollutant and disease prevention. This...

Since the 21st century, the development of Internet information technology has been very rapid. New concepts such as big data, "Internet plus" and cloud computing have entered the public view one by one and raised the frenzy of the industrial revolution. The same is true in education industry. The process...

Message Oriented Middleware (MOM) implement platform-independent data exchange with efficient and reliable messaging mechanism, what is the key technology of distributed systems integration. The traditional messaging middleware based on a specific platform or development tools, it has been unable to...

Literature analysis and empirical study are employed in the paper to analyze the features of big data era: all is number, value of data, and “intelligentization” of the world. The significant role of big data on military and education is elaborated as follows: big data constitutes the core military combat...

Blended learning has become a mainstream teaching mode in the “Internet + Education” era. Improving student engagement is an effective way to improve the quality of blended learning. To study blended learning practice based on student engagement, we surveyed behavioral engagement, cognitive engagement...

In order to improve keratin film mechanical properties, keratin and cellulose solutions were mixed in various ratios and coated on glass plates. Measurements of these composite films show that their mechanical properties decrease with an increase in keratin content in comparison with pure cellulose film....

This study aims to analyze how the condition of process quality in the manufacture of "shoulder" as one of the spare parts of railroads in Indonesia. The methodology used is quantitative research with naturalistic alignment, process dictation tool is statistical quality control with p control chart and...

The influence of hygrothermal environment on compressive property of woven carbon fiber epoxy resin composite was investigated via tensile and compress tests under different hygrothermal environment. Moisture absorption, tensile and compressive properties, failure modes, FTIR and dynamic mechanical property...

In indoor positioning, the real-world scenario often involves a multi-floor indoor environment, resulting in the construction of a large Bluetooth low energy (BLE) fingerprint database. Subsequently, high computational complexity and increased computational time are usually associated with such a large...

In reality, Non-line-of-sight(NLOS) error is the major factor which influences the positioning accuracy. NLOS identification and correction are the major techniques of reducing the positioning error. In this paper, we investigate the NLOS propagation identification and correction for time difference...

Geometric overlapping coefficient is one of the key factors for the near distance signal processing in lidar detection field. Based on the geometric analysis of Mie-polarization lidar, three kinds of shape of the overlapping area of between the telescope field of view and the laser of an off-axis Mie-polarization...

To control the quality of Ginseng medicinal fungal substance which is a new bidirectional compound fermentation of Ganoderma strains and Ginseng herbs, a simple and reliable method of high-performance liquid chromatography (HPLC) was developed for fingerprint analysis. The fingerprint of Ginseng medicinal...

This retrospective analysis evaluates the effcacy of pulmonary surfactant in respiratory distress syndrome treatment of late premature or trem infants. We compared infants receiving Curosurf pig pulmonary surfactant (PS group n=89) with those infants who didn’t (control group n=77). Both were treated...

To enhance the efficiency of bridge pre-cast construction, this study elucidates the benefits of steam curing by analyzing the effects of different curing regimes on the mechanical properties, durability and pore structure of concrete. The findings indicate that steam curing can markedly enhances the...

This paper presents a new chaos-based image cipher using a plaintext-related permutation. The cat map and Lorenz system are employed to shuffle the positions of image pixels and generate the diffusion keystream, respectively. The control parameters of the cat map, i.e. the permutation key, are determined...

A new algorithm based on shooting and bouncing rays is introduced in this paper. The proposed method is able to achieve the radar cross section (RCS) and radar image of the target inside the dielectric box. A model of dihedral corner reflectors inside a dielectric box is built in this paper, and the...

In the present study, we generated complete genome sequence data from 45 Mongolian cattle. Together with published sequence data from world-wide cattle populations, we explored the genetic diversity and population structure of worldwide cattle breeds. Our findings revealed clustering of cattle populations...

Ni-P, Ni-P-TiO2 and Ni-P-SiC composite coatings on AZ91D magnesium matrix composite were prepared by the electroless composite depositing. The surface morphology of the coatings was observed by scanning electronic microscopy(SEM) and electron probe X-ray microanalyser(EPMA). The corrosion resistance...

a pressure regulator is an essential equipment during delivering natural gas to consumers with the help of pipe lines at present, but the potential pressure energy of high-pressure natural gas is not recovered. So a gas expander is employed to replace some regulators to recovery pressure energy during...

Coal is used as the basic energy source in China, however, the exploitation and utilization of coal has a serious environmental impact. Compared to coal and petroleum, the LNG has less storage space, easy transportation and storage, large calorific value, and higher safety performance. Therefore, we...

Three kinds of salen catalysts, mono-chloromethyl-salen-Mn, tetra-tert-butyl-salen-Mn and mono-chloromethyl-slaen-Co, were synthesized and then immobilized onto ceramic membranes by two steps. First, 3-aminopropyltriethoxysilane (APTES) was grafted on ceramic membranes in order to introduce amino groups...

The volume of saturated vapor and saturated liquid of R134a were calculated by using four cubic equations of state: SRK,PR ,T-L and S-Y . Calculation shows that in the range of ? 50 ? 90 ? ,the T-L equation of state has the highest calculating accuracy, the average deviations of calculation of saturated...

In order to greatly reduce the operation frequency of actual equipment, shorten the training cycle, and improve the effect and credibility of equipment maintenance training. This system selected a type of engineering equipment as a research object. On the basis of the systematic analysis of this type...

This study was conducted to produce pineapple-chili sauce mixed with seaweed (Kappaphycus alvarezii) based on the best formulation, to determine nutritional composition of the control and the best formulation and to determine the effect on quality of this product. A total of 3 formulations had been developed...

Using the methods of video analysis and mathematical analysis, the data of the men’s 3X3 basketball match in Tokyo Olympic Games between China and Serbia, Russia, Latvia, the Netherlands and Japan were statistically analyzed, and the factors of China’s failure were discussed. The results show that the...

on the situation of the ventilation system applied in the coal mine, an online-monitoring system is designed, which focuses on monitoring the parameters of the frequency conversion speed regulating fans. An S7-300 series PLC is employed as the operational core in the proposed monitoring system, which...

In arid and semi-arid regions in China, a large amount of treated wastewater is discharged into rivers that supply water for agriculture. Treated wastewater contains not only valuable nutrients, but also toxic contaminants that might affect soil quality. This study investigated how long-term irrigation...

The internationalization of teachers should pay more attention to the domestic internationalization of native teachers. Based on this, the barriers of internationalization of teachers are summarized, including five major obstacles of the cognitive error at organizational level, the deviation of value...

with the development of society, people’s awareness of education is constantly improving, which makes preschool education receive more attention and attention, which also puts forward new requirements and standards for kindergarten curriculum construction to a certain extent. The kindergarten curriculum...