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The polymerization of acrylamide was initiated by complex redox system in aqueous solution.Meanwhile, according to the best experimental craft,we conducted a pilot-scale polymerization of acrylamide.We studied the effects of different pilot experiment intrinsic viscosity of the polymer, dissolution time,...

The ternary cation flocculant P(AM-DMDAAC-DMC) was synthesized by aqueous solution polymerization with raw materials of acrylamide(AM),and dimethyl diallyl ammonium chloride(DMDAAC) and methacryloyloxyethyltrimethyl ammonium chloride(DMC) with the complex redox as initiator.Effects of cationic mononer...

A method to evaluate fluctuation characteristics of daily solar irradiance was introduced based on theoretical solar irradiance. Process feature of daily solar irradiance were analyzed. Observed daily solar irradiance of 10 days in Beijing was tested to demonstrate the effectiveness of this method. Result...

Oil shale as the petroleum alternative is widely distributed in China, the total oil shale resources and potential shale oil resources are estimated at 719.937 billion tons and 47.644 billion tons, respectively. Shale oil and gas can be obtained through the pyrolosis of the oil shale. In order to study...

The choice of fuzzy rules and membership function of fuzzy self-adjusting PID controller of tunneling boring machine (TBM)’s thrust hydraulic system exists the defect of subjectivity to a great extent. The genetic algorithm (GA) was adopted to optimize fuzzy rules and parameters of membership function...

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,...

Nano ZnO/graphene composites were prepared by the oxidation of graphite and nano ZnO as the precursors under the condition of water temperature at 120 . The photocatalytic activity of the composite was detected to treat simulated antibiotic wastewater by using the solution of tetracycline hydrochloride...

With the rapid development of medical and health undertakings in China, the requirement of the qualified medical service system was increasing, more and more medical had introduced the advanced medical equipment, the introduction of a large number of equipment to make the medical equipment maintenance...

The diagnosis of breast disease in Europe and other advanced western developed countries were mainly the biopsy technique, which included fine-needle aspiration biopsy for cytological diagnosis and core needle biopsy for histological diagnosis. This two methods could figure out the basic pathological...

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...

In this paper, the microcontroller interrupt control technology, designed a simple microcontroller to control the LED lights off simulation system, the system was applied to the lectures can be intuitive so that students understand the process of computer disruptions, achieve a multiplier effect of teaching.

Based on the features of the structure of double-arch permeable rib tunnel and its spatial deformation mechanism, a corresponding construction monitoring and measuring program was demonstrated in this paper. The reasons of the vault slope deformation and cracking which was the main risk during the construction...

This paper devotes to the APK sensitive behavior was studied by classification, and quantifies the APK sensitive behavior, finally after a quantitative APK sensitive behavior can be measured on the basis of the APK sensitive value, through the unique static detection method based on classification show...

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...

Low-temperature sintering of Pb0.995Cd0.005(Zr0.965Ti0.035)O3 ceramics was investigated using CuO as a sintering aid. Effect of CuO addition on the sinter ability, microstructure, and electric properties of PZT ceramics were systematically studied. The addition of CuO significantly promoted the densification...

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...

For problems in the process of building central air conditioning system to participate in demand response, including non-uniform communication protocol, non-uniform information model and lack of demand response strategy, we put forward the thinking and concrete scheme of research and development of the...

A pneumatic driven microfluidic chip system adopting a stepper motor is presented in this paper which changing the valve opening with a stepper motor and controlling the pressure of the gas cavity. The simulation model was built by using Simulink nonlinear module after expounding the structure and working...

This paper has investigated the effect of hue on visual comfort and depth perception through subjective assessment experiments with the stereoscopic images generated by computer. The evaluation results indicated that the variable of hue would significantly affect the viewing experience under different...

A road traffic safety culture construction concept was proposed which consisted of criterion layer and index layer. The frequency of issues that folks' focused on were analyzed based on the fuzzy analysis method, furthermore, the research results were classified by discrepancy quantification. At last,...

The remote sensing technology has become the important tool for the basic geological study in the strongly dissected topography and high altitude mountain area. Based on analysis of OLI remote sensing data, the optimal band combination of R: G: B is Band 7: Band 5: Band 4 according to the analysis result...

Site error measurement of voltage transformer is important content of electric energy metering device administration, relating to accuracy of electric energy measurement and just trade settlement for power plant and power corporation. In this work, the error measurements of voltage transformer in different...

All-sky autonomous star map identification has come up with higher requirement on calculating speed and storage space. Error caused by rotation and location noise influences the performance of star image identification algorithms. So various algorithms include procedure of rotating star image to the...

The advantage of nonlinear ultrasonic method in micro defect detection has been widely recognized. It has higher sensitivity than linear ultrasonic. Vibro-ultrasonic modulation(VUM) method was adopted in the paper, and fiber Bragg grating(FBG) was used to sense nonlinear signal instead of piezoelectric...

We proposed a method to resolve the problem of optical system defocus phenomenon by using the chromatic aberration of the single lens optical imaging system through reverse thinking. Furthermore, we designed and built the production which use SDRAM to collect data for CMOS image information literacy...

With reverse thinking, based on the phenomenon of chromatic dispersion, double monochromatic light sources scheme was used to solve the phenomenon of defocus in large-depth-field single lens digital imaging system. Two specific narrow bandpass filter was employed to filter the LEDs into two monochromatic...

The consumption of electric power is increasing with the continuous development of China's economy. The temperature rising limits testing is the important performance for low-voltage metering cabinets and circuit breakers. The strategy for temperature rising testing usually had many questions such as...

Traditional near-infrared spectrum analyzer need to be operated in assistant of PC, therefore, they are usual expensive and larger size. Here a portable near-infrared spectrum analyzer based on ARM-Linux was designed to accelerate the process of measurement automation. The measurement setup was composed...

Based on OpenGL and Google library we established the target model library and the canny operator is used for edge detection. Combined with D-S evidence theory and Pseudo-Zernike moments, the air target recognition algorithm based on information fusion is proposed. Pseudo-Zernike moments are invariant...

The long endurance Autonomous Underwater Vehicle (AUV) could finish autonomous mission process without any human aids in a long time. As an artificial intelligence system, AUV has high independence, reliability and adaptability to ocean environment. An efficient architecture of AUV plays an important...

The undesirable accuracy of MEMS sensor limits the range of its application. The compensating method for MEMS gyroscope random drift error is discussed. According to actual test data of gyroscope, the equation of fitting curve was deduced and compensating effect of different kinds of fitting methods...

Precision of ball screw had a great impact on the positioning accuracy of NC positioning platform. The lead error and backlash of ball screw, which could be accurately measured by laser interferometer, were two key factors affecting the positioning accuracy of NC positioning platform. By setting the...

A new type of capacitive grain moisture on line measuring device was designed based on the measuring principle of non-contact parallel plate floating capacitor, which was suitable to continuous dryer under severe environment. The static batching measurement was used to improve the repeated accuracy of...

According to the requirement of grid connected photovoltaic power station and analysis of the topology structure and features of H bridge power conversion system(HB-PCS), a coordinated control method was presented in this paper. The method set current reference of HB-PCS to compensate reactive and active...

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....

This study addresses the case of Toshiba's fraudulent accounting in 2015 and examines its implications for setting accounting standards while considering the linkage between theory and practice. If this case is not an isolated case, then what is the problem with the existing accounting standards? The...

This paper investigates if accounting evolved as a result of the interaction of special economic, cultural and political institutions which prevailed in Medieval Italy. A two-step approach is implemented by the Historical and Comparative Institutional Analysis. First we investigate the features of above...

Microwave can promote the chemical reaction, which has great influence on the chemical reaction process. It has been widely concerned by its unique advantages. Microwave technology can be used in organic synthesis, material synthesis, sample analysis, waste water treatment and other fields, the technology...

For the cross sectional profile of axisymmetric body with curve, the numerical solution of elastodynamic equation is difficult in cylindrical coordinates. In order to realize the dynamic simulation of axisymmetric body with curve cross section, based on the Lax-Wendroff differential theory, a numerical...

Some problems including complex calculation methods and parameter calibration difficulties exist in the current corrected calculation of the sediment discharge. A new method based on the copula function was proposed in this paper to solve them. The results show that the proposed method can improve the...

Based on information sharing idea, BIM (Building Information Modeling) technology had been widely used in construction industry. Employment Guarantee for Migrant Workers is hot topic in Chinese construction industry. There were few articles focus on using BIM to solve the Employment Guarantee problem....

In order to improve the efficiency of freight vehicle and cargo matching, a mathematical model was established, which describes target and the related constraints, and quantum evolutionary algorithm was proposed to solve this matching problem. In the experiment, improved quantum evolutionary algorithm...

Using the methods of text analysis, interview and logic analysis, it made a reflection on the club teaching model of public physical education in Yan'an University. The results show that adopting club teaching model in public physical education was in line with the trend of teaching reform and development,...

O. Henry was a well-known American writer in the world literature history. His writing is vivid and he is good at using irony, paronomasia, metaphor, metonymy and exaggeration to make the story full of fun. He is a master of surprising endings, and he usually design story plots dramatically, and makes...

In order to study the effect of high energy shot peening on electrochemical corrosion resistance of WE43 magnesium alloy, the electrochemical corrosion behavior in 3.5% NaCl solution of WE43 magnesium alloy with different processing duration was investigated. Its cross-sectional microstructure, surface...

Aiming at the shortage of the actual experimental equipment, virtual reality technology was adopted for setting up an experiment system. The framework is the strange IoC and the engine is Unity3D for the system. A step operation of the experiment is divided into five parts, interaction behavior, interaction...

The motion sensing interactive devices can greatly enhance the sense of immersion. In this paper, the flow of the interaction with the HTC Vive is sums up five step. Analyzes the positioning principle of the HTC Lighthouse and introduce the function of the HTC thumbstick. Then defines the quaternion,...

How UI designers and business engineers collaborate to development apps on Android platform conveniently and effectively is a difficult problem to tackle when projects get more complicate and need more effort. This paper compared the commonality and variability of MVVM with the commonly used MVC and...

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....