In this paper, the influence factors of separation of waste lubricating oil by molecular distillation were studied,and the optimal conditions were determined. The preheating temperature, system pressure, distillation temperature and feeding rate had main influence on yield and viscosity index of lube...

Geometry optimization of a latent heat thermal energy storage (TES) unit using RT27 is investigated to figure out an optimal shape which obtains the best heat transfer property. A 2D model of the TES unit is built for numerical analysis and simulation. By applying constructal method for calculation,...

This paper takes Sanzhao Depression in Songliao Basin as the research target. Fuyu oil layer is in the 4th member of Quantou formation, Lower Cretaceous. The target layer in research area is mainly a set of shallow-water delta deposition, experienced the sedimentary evolution process from Delta plain...

In this work, we investigated the effects of GO on dispersion stability of the two types of TiO2 NPs under different pHs. At pH 4, heteroaggregation may occur between GO and the two types of TiO2 NPs (TiO2 Nanotube and TiO2 Nanowire), enhancing the sedimentation of TiO2 NPs. However, at pH 7 and 10,...

This paper taking sugar cane, pear tree and soybean plots as an example, using software SSS to fit soil shrinkage curve, studies the effect of moisture content in the field on soil shrinkage. The results show that the model parameters of SSS software could fit the measured data well(r>0.95) with relatively...

In the process of the intelligent network informatization, automation, and intelligent constantly improving, the requirements of power system for the transparency of the demand side are also getting higher and higher. Real-time and accurate load equipment identification for planning, load forecasting...

The need of antenna design and the basic principle of phased-array antenna are analysised. Then the rectangular-grid-plane phased array with circular boundary design of antenna which is shared by seeker and fuze is put forward. By choosing the parameters and number of elements, the antenna adaptively...

This paper aims at subsurface imaging a target buried in a spherical homogeneous medium. In order to study it, a monochromatic holographic penetrating radar with high resolution is involved. Different from the target in the plane media, spherical ones always result in spherical interference fringes which...

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 electromagnetic radiation is invisible, colorless, odorless, silent, everywhere in our lives, but excessive electromagnetic radiation becomes another important source of pollution besides waste water, waste gas, and noise. This article is focusing on the hazards of electromagnetic radiation pollution...

Persistent Organic Pollutants (POPs) are huge groups of chemicals that are associated with a variety of human health problems. They have a long residual, bioaccumulation, semi-volatile and high toxicity and they can migrate through various environmental media (air, water, soil, organisms, etc.) over...

In recent years, the demand for coke increased greatly in the modern industry, while the number of coal which is suitable for coking fell sharply and the quality was declining. Based on this background, the coal coking industry had to start the new energy more efficient and energy saving. We all know...

The anode material Fe2O3/C composite is prepared by a solid phase method. The as-obtained Fe2O3/C composite was investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemical measurements. XRD results indicate the presence of hematite. SEM observations shows...

This paper will explain the theory of building a differential equation model that helps the simple water containment vessel offering a constant-temperature. The simple water containment vessel has an open system without the temperature control unit, and the effect of the constant-temperature may be impacted...

During the development of the high-voltage power grid, the emergence of electromagnetic loop in the network is inevitable. To ensure the normal operation of the grid, it needs to deal with the problems brought by electromagnetic loop with scientific methods. In this paper, the impacts of the electromagnetic...

Monodisperse, spherical, organo-functionalized silica particles were prepared by a one-pot method. Vinyl-silica and amine-silica were prepared by the hydrolysis of tetraethyl orthosilicate in aqueous alcohol solutions with the addition of vinyl triethoxysilane and 3-aminepropyl triethoxysilane, respectively,...

Mn-Fe binary oxide adsorbents are prepared by co-precipitation method for removal of arsenic from contaminated drinking water. Arsenic adsorption ability is influenced by pH of reaction solution and Mn/Fe mole ratio. Adsorbent M/F4/6-12 with amorphous phase shows higher arsenic removal of 99.9 %. The...

The application of carbon nanotubes (CNTs) in biomaterials field was limited by its poor dispersion in water solution. In this paper, a specific methodology based on potassium permanganate (KMnO4)/concentrated sulfuric acid (H2SO4) hydrothermal oxidation was used to modify the surface of multi-walled...

When the electronic computer aided design (ECAD) meets the mechanical computer aided design (MCAD), the process, method and scheme of the design in the new electronic products will have a qualitative leap, and the three-dimensional (3D) design is one of the best ways to realize the improvement of new...

As a new type of green material with excellent physical and chemical properties and mechanical properties. Basalt fiber are widely used in the field of civil construction. The present status of the research and engineering applications of basalt fiber in concrete were summarized.The advantage of application...

Through sorting and statistics of relevant test results on machining of high-strength materials at home and abroad, the tool materials and the distribution characteristics of tools' optimal geometric parameters as well as the possible causes are analyzed. The statistical results can be not only used...

The study is to design a biomarker based on hydrophilic quantum dots(QDs) can be bound to the P53 protein for diagnoses of breast cancer (BC).To achieve the purpose, we uses the water-soluble quantum (QDs) AgInS2/ZnS connected with P53 monoclonal antibody to design a novel kind of biomarker as a new...

Based on CIE1976 L*a*b* uniform color space, 54 peridot samples' color were measured under D65 light source. The component analysis results showed that all samples are forsterite and chrysolite. It showed that with the increase of Fe2+, peridot's color turns to yellow. But Fe2+ has no significantly correlation...

PCDD/Fs and mercury are contaminants with high toxicity and heavy harm in power plants especially in waste incineration plants, and they could produce polychlorinated and mercury chloride based Dioxins under the environment of high temperature and high pressure. PeCDD, which replaces the positions of...

To avoid the long time of dialysis process, a novel Strategy that Bovine serum albumin (BSA) was immobilized on Au-MNPs at first and afterward the CAP molecules were immobilized on the BSA in sequence has been applied to Chloramphenicol (CAP) detection with chemiluminescent immunoassays (CLIA) based...

In this study, we report on the electrical and optoelectronic properties of field effect transistors based on multilayer MoSe2. The multilayer MoSe2 device showed a room-temperature mobility of 27.3 cm2 V 1 s 1 and possessed a high gate modulation larger than 105. We obtained an ultrahigh photoresponsivity...

In order to control pesticide pollution in water environment, ozone-fly ash combined process was studied in laboratory. Dicamba(3,6-Dichloro-2-methoxybenzoic acid) was selected as model pollutant. The reaction temperature was changed to study the degradation efficiency. The experimental results show...

Decamba degradation using ozone-fly ash combined process has been studied in laboratory. The effect of pH value on dicamba degradation was investigated. Kinetic analysis was carried out. The experimental results show that pH value has a significant influence on dicamba degaration. The increase of pH...

The paper selects 100 mesh steel slag as the adsorbent, to study the effect of temperature, adsorption time, pH value of the solution and steel slag dosage on the removal rate of Cr3+ .The results show that for 50 ml ,100mg/l Cr3+ simulated wastewater, the best adsorption condition of steel slag is that...

Taking the steel slag as the adsorbent, the paper studied the treatment of zinc in the simulated wastewater. Results show that steel slag has good adsorption removal effect on Zn2+ solution. For 50ml ,100 mg /l Zn2+solution, under the condition of room temperature, when adding 1.0g 100 mesh steel slag,...

Objective: In order to synthesize the gold nanoparticles with high sphericility, good monodispersity and uniform sizes, a method of synthesizing by integrated modular microfluidic reactor based on piezoelectric actuation is proposed. Method: First, the entrance angle and channel section of the micromixing...

Polymer nanotube (PNT) is a polymer nanomaterial with tubular structure. In this study, we have developed a simple technique for the fabrication of polymer nanotubes by using self-assembled metal organic nanotube (MONT) as a sacrificial template and dendritic amine and acid as precursor molecules. MONT...

The calculated lattice parameters and enthalpies of formation of A12Ca, Al2Sr,A14Ca, Al4Sr,Mg2Ca,and Mg2Sr phase in Mg-Al-Ca-Sr alloy system were compared with both calculation results and experimental data published in references available, and the structural stability of these intermetallic compounds...

Cu2O/ TiO2 composite photocatalyst was prepared by precipitation method using Titany l sulfate, cupric nitrate and ethylenediamine as raw materials. The photocatalytic performance of photocatalyst was investigated by degradation of Methylene blue solution.The results showed that composite photocatalyst...

In this paper, the main work is focused on the study of the magnetic saturation controllable reactor operating characteristics. Finite element analysis has been used to build the model of 10kV magnetic saturation controllable reactor, then compared with the experimental values calculated control characteristics,...

Traditional blind source separation (BSS) approach tries to recover all source signals from observed mixtures simultaneously. However, the recovered signals suffer from an inherent ambiguity on dilation and permutation. A flexible signal extraction process is deduced on the basis of kurtosis. Correspondingly,...

As a practical measure of non-Gaussianity, kurtosis generally represents the preferred technique for signal extraction. Here a learning rule is presented associated with kurtosis. It can recover one source signal owning the maximum absolute value of kurtosis among all original sources. Computer simulations...

Basing on the heat transfer theory, the process of Q235 I-beam steel which is chosen to be studied could be done after rolling cooling control analysis. Given the practical manufacturing conditions, the finite element theory and its temperature field can be built to control the cooling process of I-beam...

The parameter estimation of a synchronous generator using the still frequency responses is presented in this paper. The required data is obtained to estimate the electrical parameters of the direct and quadrate axis models and the complete set of parameters was used in a five-order simulation model for...

Celestial navigation is a completely autonomous navigation method, but the measure based on star sensor and infrared horizon sensor has a low precision. Especially its direction to the earth measured by infrared sensor leads to great deviation. Aimed by this consideration, we propose a vision-based method...

With the construction of large-scale wind farm, most of wind farms' geographical environment is more open, vulnerable to line switch tripping caused by large-scale wind power failure. Therefore line lightning protection becomes important work of wind farm construction. In this paper, lines lightning...

For the application of electrical conductivity measurement of ice core in the analysis of ice core processing, foreign hand-held electrical conductivity measurement unit is developed and updated by using servo motor to automatically control electrical conductivity measurement. while the corresponding...

In previous works, they mainly concern on optimizing transmitted antenna to maximize energy efficiency(EE). But the transmitted power optimization is also necessary for the improvement of EE. Because too large or too small transmitted power will lead to the decline of EE. This paper proposes a joint...

According to the analysis of phase noise and timing jitter in oscillators, a simple method of converting phase noise to timing jitter is presented and calculation examples are given. The result shows that the calculation timing jitter and measured value are very close. Therefore the timing jitter can...

By analyzing the structure and properties of photonic crystal fiber (PCF), a method for calculating cladding-effective-index was proposed. Then, the influence of changing the diameters of fiber core and cladding air holes and the interval of cladding air holes on the single mode property, dispersion,...

A new DOA estimation method with high resolution is proposed in this paper for vehicular radar and communication integration system in V2V scenario. This method uses digital beam forming algorithm to estimate the weight vector, from which the DOA of other vehicles can be estimated. Firstly, we presents...

With the development of large-scale wind power integration and electricity markets, wind farms business were asked to participate in the electricity market. Because of the volatility and unpredictability of wind power, the wind farm suppliers contribute to obtain benefits in the bidding at the same time,...

A new cationic type asphalt emulsifier of 2-diethylenetriamine methylene-4-nonylphenol was synthesized by the reaction of nonyl phenol, diethylenetriamine and formaldehyde. The synthesis process was detected by online FTIR technique and the intermediate was found. Based upon the experimental information,...

In order to improve the toughness, thermal property and impact resistance of PLA, clay modified with different surface treatment agents (titanium ester, silane coupling agent and alkylamine) was added to PLA matrix. The samples were examined by fourier transform infrared (FT-IR) spectroscopy, micropolariscopy...

This paper introduces the principles of electricity price-issuing model under a transparent task and a supporting expansion agreement. Moreover, it describes the technical features and advantages of the electricity price-issuing model by comparing it with traditional transparent transmission terminals....

In order to ensure energy collecting efficiency of oscillating wave energy converter in the actual application of Donggang's sea area in China, Flow 3D software is used to simulate hydrodynamic performance of different shape of the buoy. The result is : The average mass center z coordinates of the butterfly...

Distributed energy is effective in the construction of conservation oriented campus, the campus power distribution system into the green renewable energy, can bring considerable economic benefits. Green renewable energy can reduce the environmental pollution and governance problems of the traditional...

Solar energy holds great significance in the research programs on renewable energy. Recent studies show that with the use of solar energy, we can create a movement of air in the form of artificial wind. This air flow is used to drive one or more wind turbines and produce electrical energy. At this conversion...

According to the production process characteristics of transit crude oil depot, the evaluation model for the major energy-using equipment in crude oil depot was established. According to the law for energy conservation and transformation, the energy balance equation for crude oil depot was established....

For obtain enamel-like hydroxyapatite, we are trying to induce the growth of crystal with modified chitosan which can simulate the organic template like extracellular matrix--Amelogenin to induce the deposition of miner ions. Phosphorous acid modification was applying into natural polycation polysaccharide...

In this study, aioxidant and anticancer activities of the extracts were evaluated from various habitats of Selaginella doederleinii. The evaluation on antioxidative capacity revealed that the extracts were the highest from Guizhou province using DPPH radical scavenging, ABTS radical scavenging, ferric...

Abstract: In order to improve authenticity and interactive of the tractor driving simulator system, mainly adopts double polarity 555 chip design for tractor driving simulator of turn signal circuit. Then specify bipolar 555 chip unsteady work mode setting method and principle ,and gives the tractor...

There are over 2 trillion barrels of conventional oil still remain reservoirs worldwide after conventional recovery methods have been exhausted. Based on these many techniques that involved in tertiary oil recovery were developed. However, most of these technologies restrict the further development of...

Although having advantages of high integration, Low power consumption and strong processing capability, etc., it is not easy for SDRAM to be developed and applied because of its timing complexity. To reduce costs, and shorten the development period, combining with features of strong reconfiguration and...

High power transient electric field is coupled into the interior of the electronic system easily. How to detect the field signal and reduce the influence of the field has become one of the most important fundamentality research projects. However, single sensor cannot detect the wide bandwidth signal...

the electric vehicle industry in our country is developing rapidly. However, in terms of the interchange and versatility of charging interface of electric vehicles, the research on consistency detection technology is not enough, which leads to poor compatibility of the interface of charging device of...

In order to explore the dew condensation phenomenon, the experiment was settled. Getting use of poplar stick during the growing period of 2015(from the end of the Apr. to the middle of the Nov.) in suburb of Changchun City as ground monitors. Through using software of SPSS 19.0 to analyze the data. The...

With the development of computer technology and the rapid prevalence of the Internet Power started to use computer to realize the unification and standardization. So IEC puts forward IEC 61970 specification series, which makes EMS normalize and interconnects different EMS.CIM has been defined by IEC61970...

Weak part analysis of a system is a key element in a system reliability quantification process. It enables the weakest areas of a system to be recognized and assists in directing remedial measures for improving the system reliability. This paper proposes an unreliability tracing technique for a ring...

An orientation distribution function is applied to describe the orientation distribution of polymer-fibers composites in shear-ellipsoidal extensional flow. And a mathematical model is established to simulate orientation distribution in this flow. Furthermore, the analytical solutions of differential...

In this paper, the pressure effects of arcing faults in the shipboard MV switchboard are analyzed. First the estimated method of arcing fault energy is discussed. Then the pressure model of the MV switchboard due to arcing fault is put forward. And based on Simulink platform, simulations are processed...

Bus differential protection is effective measures to cope with the bus-bar fault in ship MVDC system. A realization of DC bus-bar protection is based on digital protection device which are suitable for complex medium voltage power system. Firstly, the principle of DC bus-bar differential protection,...

Based on investigation data on Pb in surface waters in Jiaozhou Bay during 1979 to 1983, this paper analyzed the annual change of both contents and pollution levels of Pb. Results showed that Pb contents in surface waters in Jiaozhou Bay in 1979, 1980, 1981, 1982 and 1983 were 0.25-1.52 g L-1, 0.07-2.71...

This paper analyzed the content, distribution, source and background level of Cu in Jiaozhou Bay and the open sea based on investigation data in 1985. Results showed that the Cu contents in surface waters ranged from 0.10-0.43 " "g L-1, and were meeting Grade I in Chinese Sea Water Quality Standard,...

This paper analyzed the contents, pollution levels and their seasonal variations of Pb in the early stage of the reform and opening-up in Jiaozhou Bay, China. Results showed that Pb contents in surface waters in spring, summer and autumn in 1979 were 0.37-0.99 " "g L-1, 0.25-1.52 " "g L-1 and 0.29-0.75...

Massive sky survey data are produced by the LAMOST large-scale survey project, which provides opportunities to search for some unusual and rare astronomical spectra. The low quality spectra still accounted for about half of total LAMOST observed data at present. For these low quality spectra, research...

The condition detection of gearbox is of great significance to improve the operation level and reduce the maintenance cost of the wind turbine. Based on the nonlinear state estimation (NSET) method, the temperature model of the gear box bearing is set up to estimate the states of gear box and the estimated...

Wind power prediction is important for the power system with plenty of wind power. This paper studies the method combined with empirical mode decomposition and extreme learning machine for short-term wind power prediction. The empirical mode decomposition method is utilized to decompose the signal of...

With the national emphasis on energy conservation and environmental protection and as the primary energy consumption and emissions, more and more people pay attention on the energy saving of thermal power plant. In this paper, some relevant indicators for the energy saving of thermal power plant are...

By analyzing basic requirements and characters of millimeter-wave radar signals, this paper proposed signal processing methods using Linear Frequency Modulated Continuous Wave based on FPGA+DSP. FPGA controls peripheral ADC and DAC to complete modulation triangular wave generation and radar Intermediate...