This paper presents the thermal impact of different bonding architectures in the 3D stacked chip.ANSYS® Workbench™14.0 was used to model the architecture and meshed analysis was conducted. Bonding architectures that evaluated were face-to-face, face-to-back and back-to-back while all the parameters and...

In order to improve the response speed of magneto rheological (MR) damper, the system is in need of a fast response driving power supply. Firstly, response characteristics of the MR damper was analyzed. Secondly, according to the basic principle of electromagnetic response, the design of the control...

To enhance the defense capability of information security in smart grid and protect the data exchange between intranet and external information network, a kind of safety device has been produced that achieved effective control of information network data access. On the basis of the company 's multi-channel...

The servo control technique is one of the key technologies in the field of control like robots. In order to meet the demands of servo control for robots, a DSP based DC servo motor control system was developed. Firstly, this paper promoted the design of controller and analyzed the overall structure and...

In order to solve the problem that the decision-making department’s orderly power utilization plan is less elaborate, a model based on users’ typical daily load curve is presented. The model can coordinate a variety of orderly power utilization means, and targets at power company’ lowest economy cost...

This paper designs a intelligent bathroom mixing valve controller by using the single chip. Our aim is to achieve the measurement and control of the outlet water temperature. In this design, we use DS18B20 sensors to measure temperature, which consists of two counter and two crystals. By controlling...

Due to new energy resources, including wind energy storage has been well into the grid, power dispatch and distribution of the operation process involves large-scale, multi type, highly complex data, which contains real-time data, planned data, early warning and monitoring data, environmental data. At...

Distribution system is the section to deliver power energy to end user and realize power consumption, which draws more and more attentions. In the daily life of system operation and control for smart distribution system, the system operators heavily rely on Geographic Information System (GIS). Traditional...

Combined with the traditional Empirical Mode Decomposition(EMD),Ensemble Empirical Mode Decomposition(EEMD) and Complementary Ensemble Empirical Mode Decomposition(CEEMD) method, in view of the modal confusing problems, proposed an improved algorithm based on EEMD, and expounds the calculation and realization...

In this paper, a new method for predicting the value of wind power is proposed, which combine fuzzy information granulation and support vector machine.Firstly,extract the original data and make fuzzy information granulation of the original data.Secondly,do the regression prediction of the granulated...

The forecast accuracy of the wind power directly affects the operating cost of the network system, which is directly related to the supply and demand balance grid. Therefore, the forecast accuracy of wind power is very important. Considering the prediction accuracy not high, we propose an improved predictive...

By DeST simulation software to build a residential construction in Inner Mongolia autonomous region, on the basis of without thermal insulation layer, one by one, change the retaining structure of exterior wall, roof, Windows and window wall ratio, build heat load value when simulating the factors changed,...

With the wide application of concrete materials, the problem of concrete property degradation caused by external environment condition has drawn the attention of civil engineers. In order to study the influence of environmental factors on the durability of normal strength concrete (NSC), three groups...

In 20 century, traditional industrial city intends propose ecological transformation while it realizes the environmental crisis. They face to the new challenge of global urbanization and have to continue the industrial activities. They prefer to hand on the characteristic context culture of the city...

Anti-floating stability of tall building basement is important content of engineering design, inappropriate design will cause motherboard cracking or basement floating, which influence service function directly or even endanger structure safety. Although our national specifications has attached more...

The Fenton reaction under thermal-assistance was applied to the removal of chemical oxygen demand using chromate (COD) and color from dye wastewater in which initial COD was 5600-13000mg/L. The reaction temperature and time were 50 and 30 min. The initial concentrations of H2O2 and Fe2+ were 6g/L and...

The determination of C fractions in lab requires prior extraction steps that are laborious and time-consuming. Ozonation chemiluminescence can avoid the problem and has been successfully used to measure the C and N compounds in air or water, thus was proposed to determine C fractions of organic materials....

The corrugated steel pipes utilize the advantages of steel, such as high ductility, tensile, compressive and shear strength. So the problem of foundation deformation and uneven settlement of foundation can be solved nicely. The corrugated steel pipes show good adaptability for adverse geological condition....

The photovoltaic (PV) power surges with varied with sunlight intensity and temperature, resulting in great fluctuation of power on the side of synchronization on AC busbar micro-grid. Configuring an energy storage system may allow that the grid output is fallen into a specified interval for the purpose...

Selecting Jinghong hydropower station as a study case, we studied the spatial-temporal change of land use and landscape pattern during 2004,2009 and 2013 based on the application of RS interpretation , ArcGIS 10.1 analysis and Fragstats3.4. The results showed that: 1) Area of tea garden, traffic land,...

At present, the heavy metal pollution has become one of serious environmental problems which has drawn the great attention to scientists. Biochar has great sorption capacity to heavy metals. It has become one of hotspots research of soil science and environmental science because of its huge application...

The mechanical property and wave velocity of fine sandstone after different high temperature such as 25 400 600 800 and 1000 , be test studied by the servo-controlled testing machine RMT-150B and ultrasonic nondestructive testing instrument TUA2000A. The test results show that: (1) the sensitivity of...

To obtain knowledge to prevent upward fire spread caused by ejected hot gas, a numerical modeling and theoretical analysis have been done by FDS software. It is believed that the horizontal projection play an important role of inhibiting vertical flame spread, however, effect of the positon of the horizontal...

Biological aerated filter (BAF) and membrane bio-reactor (MBR) were the common methods at present stage. They were based microbial action to treated raw water. That’s common point of two methods. But some difference of treatment effect existed in biological aerated filter (BAF) and membrane bio-reactor...

Super/sub-critical water oxidation technology has been utilized to treat sewage sludge in the study. Heavy metal content and characteristics of leaching toxicity in the reaction effluent have been investigated in detail, and then the relationship between the microstructure of sludge residue and immobilization...

A Heterobasidion Insulare ability to degrade in different culture conditions was investi- gated and compared to that of P. chrysosporium. The results indicated that H.Insulare isolate is more efficient than P. chrysoaasporium in decolorizing in the presence of added nutrients. H.Insulare is able to remove...

Cultural and creative industry park Landscape construction is an important way to interpret urban culture, geographical features and ecological environment. This article briefly describes the significance of cultural and creative industry park landscape design, then summaries its design principles. At...

In this paper, several difficulty brought by the increase of bury depth of metro station is analyzed. It will be much harder for the construction of metro station with the increase of metro buried depth, especially in rich water strata. A new method, Super Tubular Roof Method (STR), which is suitable...

The research of basin runoff is one of the most important areas of research in surface water hydrology. This paper made an analysis of the runoff change trend and mutation characteristics of Wei River basin by the mathematical statistics of Kendall rank correlation coefficient and M-K mutation test method...

The proposed Yangjiawan super-large bridge is located in Lanzhou section of the Yellow River,constructed for Lanzhou-Chongqing railway crossing the Yellow River.This paper adopts mobile bed experiments to simulate the channel near the bridge site,mainly studies flow direction,velocity distribution,surface...

With the development of industrialization and civilization, the atmospheric depositions in Haerbin city degraded in recent years. 46 deposition samples were collected to analyze their concentrations of ten elements including Mn, Zn, Pb, Cu, Cr, Ni, As, Co, Cd, Hg in 2008~2009. The samples were analyzed...

The main soil types in Ningzhen area is Xiashu loess which has special geology characteristic that vary significantly based on different level of water content. This paper intends to analyze causes of the landslide took place in Yongning town and find out how Xiashu loess becomes vulnerable under the...

Increasing habitat-enhanced structures have been proposed to rehabilitate the channelized river, but the effects of these structures remained unclear. In this study, we carried out an experimental study to examine the effect of ecological low dam (ELD) on functional aspects of channelized river. The...

Glass fiber reinforced plastics of composite material briefly as FRP, with the properties of high strength, light, corrosion preventive, easy to be Processing convenience and industrialization, which is applied in many fields. Although it has been applied in building, only to small element or unit such...

Rising CO2 is predicted to impact global warming, and the city is the most important carbon source. Based on the theory of unban carbon sink , we surveyed the the most important carbon source and sink inffect factor, and take them as the constraint conditions of urban ecological space by calculating...

This paper puts forward the concept of modular design, the green balcony with green cultivation as the theme to the balcony is divided into functions which are simple, easy to create and modify multiple function modules. Thus forming the menu type selection of projects, to provide economic, convenient,...

The effects of intercropping different density (1, 2, 3, 4 and 5) of cadmium (Cd) hyperaccumulator Galinsoga parviflora on cadmium accumulation of soybean were investigated through pot experiment. The results showed that intercropping with 1 G. parviflora seedling increased biomass of soybean compared...

Site amplification is important in ground motion prediction. It describes the effect of soil sites on ground motions. The quarter-wavelength approximation for computing site amplification has been developed for several decades. It is validated by the data from the main shock of 2011 Tohoku-oki Earthquake,...

A pot experiment was conducted to study the effects of hyperaccumulator straw on soil nutrient availability and soil enzyme activities of Cyphomandra beracea under Cadmium (Cd) stress. Four Cd-hyperaccumulator species (Solanum photeinocarpum, Tagetes erecta, Galinsoga parviflora, Bidens pilosa) straws...

The interfacial debonding behavior of short-fiber-reinforced composites (SFRC) can be an interesting subject for many investigators. In this paper, the effects of interphase properties on the interfacial debonding behavior of SFRC are investigated. Based on the shear lag model, the initial strain of...

Epoxy resin composites were prepared via in situ polymerization of diglycidyl ether of bisphenol a epoxy monomer and 4,4'-diaminodiphenyl methane, using multiwalled carbon nanotubes and hexaphenoxycyclotriphosphazene as additives. The morphologies of the specimens were investigated using scanning electron...

The possible use of activated carbon (COASAC) prepared from camellia oleifera abel shells (COAS) by phosphoric acid activation as a biosorbent in the removal of Cr (VI) from aqueous solution was demonstrated. The effect of different parameters such as initial concentration of Cr (VI), dose of adsorbent,...

This paper has designed a new type of coupling disc structure for the diesel generator set, eliminating the “seams” in the section die. It also has focused on the modal analysis by using limited meta-simulation software, discussed the optimum stiffness structure, and analyzed the related causes of normal...

Effects of different Al additions (3wt.%, 5wt.%, 7wt.%, 9wt.% Al) on as-cast microstructure and properties of Mg-Al-1Si-0.5Sr alloy were studied. The average grain size decreases and then increases with the increasing of Al additions. There are polyhedral shape, fine fibers shape, a few Chinese script...

The numerical simulation of storm surge flood routing is of great importance to the storm surge disaster management. Few studies devoted to the three-dimensional numerical stimulation of storm surge flood. At present, the three-dimensional k- turbulence mathematical model coupled with the VOF method...

This paper Application introduces a complete system level solution to drive a BLDC Motor for cordless power tools. To show the efficiency, present a thermal solution for a power stage with SMD MOSFETs and show how to implement the control with the microcontroller to drive a BLDC motor equipped with 3...

The Fe2O3 nanopowders were prepared by Solid Phase Reaction. The phase composition, microstructure, magnetic properties and gas sensor properties were investigated by XRD, TEM, VSM and gas sensor measuring system. It was shown that the precursor could be transformed into -Fe2O3 of the spinel structure...

Polyaluminocarbosilane (PACS) is an important precursor of SiC ceramics. And the molecular distribution of PACS has an essential influence on the properties of its derived ceramics. The importance of absolute molecular weight analysis of PACS and the convenience of gel permeation chromatography ( GPC)...

TDI based Thermoplastic polyurethane/graphene nanoplatelets(TPU/GNs) thermal conductive composite was in situ synthesised at room temperature, using polytetramethylene glycol(PEMG) as soft segment,4-Methyl-m-phenylene diisocyanate (TDI) as hard segment, 1,4-butanediol (BDO) as chain-extending agents,...

The ES-U3160 reinforced fabrics with toughening function were prepared by adhering the Ex-situ elasticizer polyethersulphone homogeneously on reinforced fabrics according to Ex-situ toughening technology. Composites were prepared by RTM process taking U3160 and ES-U3160 fabrics as reinforcement. The...

Studied the curing reaction of bisphenol A epoxy resin DER331 system by the way of non-isothermal DSC and phenomenological model, using n-stage reaction and phenomenological model determined the curing kinetics equation, the results showed when the ratio of the epoxy resin DER331 and curing agent was...

Curing reaction of bisphenol-A epoxy resin were researched by non-isothermal DSC. The experiment result showed that the cured structure were excellent when the proportion between the bisphenol-A epoxy resin DER331 and curing agent DEH622 was 100:30, the reaction heat was 358.53 J/g which is 4 to 9 times...

Bismaleimide(BMI) structural foams employing carbon naotubes (CNTs) as functional fillers were prepared in this paper. Physical dispersion methods, such as mechanical mixing, ball milling and calendering process (three-roll milling), were adopted to disperse CNTs in the bismaleimide matrix to foam. The...

In view of the problems like incomplete penetration caused by the traditional MAG welding, laser-MAG hybrid welding of 12 mm thick corrosion resistance steel was studied by using the SMA490BW as the research object, which was the material of high speed train bogie. By comparing weld formation, residual...

Highway is one of main ways for alien invasive plant dispersal, and the influences of highway on invasive species are more and more concerned by the road ecologists. However, understanding diffusion pattern and invasive mechanism of alien species is the precondition of effective control of their invasion....

Through the analysis of urban rail transit train traction energy consumption system, the main influencing factor of the traction energy consumption can be determined, but its incomplete information, which is a typical grey system. This article according to grey relation theory, establish a urban rail...

Condition monitoring of substation equipment plays an important role for the safe and stable operation of power grid, aiming at the insufficient of existing condition monitoring system, a practical substation equipment condition monitoring integrated system is designed which adopts J2EE technology, SOA...

The stability of the output voltage of the ebw's stable high voltage power is a prerequisite to ensure the quality of ebw. To solve this problem, an ebw high voltage stable power control system is designed. Main principle is that the new type of pwm-cuk converter structure is combined with coupled inductor,...

This paper considers two-path multiple-input multiple-output (MIMO) relay systems in which the inter-relay interference (IRI) between two relay nodes leads to a degradation of the system performance. In this paper, we study the use of beamforming techniques to resolve the problem of IRI. To suppress...

The reservoir capacity curve is important to maximize the utilization of water resources and effective reservoir management. The reservoirs in Zhejiang Province generally locate in mountainous area, and it is difficult to obtain DEM of area above water level by conventional measurement method. UAV technology...

Based on the necessity and feasibility of implementation of Energy Control Center in colleges and universities, taking Beijing Normal University as an example, it introduces the design concept and technical architecture of the Energy Control Center, describes function modules, construction contents and...

In order to improve power quality and ensure stable operation of power system, shunt active power filter (SAPF) is widely used o filter out harmonics. This paper proposed an improved control method for SAPF. The whole improved control strategy could be divided into two parts: Ip-Iq current detection...

The purpose for research on cogging effect is to improve thrust fluctuation of PMLSM. As one of the main affecting factors of linear motor, its cogging effect is firstly researched and analyzed in this paper. And then we use finite element analysis software to perform the simulation so as to show that...

In this paper, germanium oxides/oxynitrides were prepared in different gases. The effects of different gas ambients on the electrical properties and reliability of Ge MOS capacitors were analyzed. The experiment results showed that the nitride incorporation could improve the performances of Ge MOS capacitors...

This paper focuses on analyzing the harmonics of electromagnetic forces and torques of a magnetically levitated planar motor by measuring these forces and torques. By a multi-dimension force/torque sensor measure system, all electromagnetic forces and torques of a planar motor are measured simultaneously....

Evolvable Hardware can be used to design circuits automatically. The main difficulty of applying real-world applications is its scalability. This paper focuses on improving the scalability of combinational logic circuit evolutionary design. We proposed a complex circuit design method combined Generalized...

In order to analysis the type of XLPE cable partial discharge, and grasp characteristics of partial discharge caused by different defects. In this paper, we use a 10kV 30-meter-long XLPE cable and design different types of defects. Then we collect the PD data of different defect model by PD data acquisition...

In order to study the application of Weibull distribution in cable partial discharge pattern recognition. We apply a 10kV 30m XLPE cable for this study. Then design four kinds of typical artificial defect model and analyze each of defect model’s discharge pulse signals. Finally, estimate the Weibull...

As the international maritime organization made mandatory for ship's atmospheric emission pollution control requirements in MARPOL6 convention in 2013, shore-side power technology applications in the domestic and foreign port can realize the effective control of atmospheric pollution to ships berthing...

Literature review and field survey had been done, and the domestic and foreign laws and regulations on the waste of substation are summarized, and the method or the way of the waste disposal in various substations are listed. By comparing with the advanced management experience of Japan, the United States,...

For those aerodrome areas where collision between aircraft may happen, based on the Airport Surveillance Radar (ASR) data, the taxi tracks of aircraft in the aerodrome maneuver area were extracted. The method of judging whether the taxi route and taxi time of any two aircrafts which go through the same...

The investigation of benthic macroinvertebrates of Baiyangdian Lake was done in 2014. It contains the composition and diversity of benthic macroinvertebrates. Making an analysis of the survey result discovers that the diversity index of Yuanyang Island was the lowest as the sewage river entrance. No....

The construction of green mine represents the development and utilization level of mineral resources and the sustainable development potential. In view of the characteristics of the large index system and complex evaluation process of green mining, a kind of BP neural network algorithm based on quantum...

Recent years, with our economy sustained and fast development, environmental problems become increasing serious, especially for air pollution problems. Smog problems are intruding more and more big cities. Improving air quality has become an urgent demand of city development. This paper proposed a spatial-temporal...

The construction of green mine is a great action which wants to ease the pressure on the supply of mineral resources and the geological environment. According to "the basic conditions of national green mine", the evaluation system of constructing green mine is built, it includes 25 indexes of 8 categories,...

With the relevant information and data of building project as a model basis, the building information model are established. It is an innovative building design, construction and management methods. Revit realized the transformation from simple information to information for specific purposes, maximizing...

In order to improve the reliability of distribution network operation, this paper proposes a method that through adjusting the distributed power output to reduce the closing loop current. Mainly by regulating the operation state of the distributed power to change the power flow distribution, reduce the...

Quality control data of heavy metal content (in terms of Pb) detected by atomic absorption spectroscopy in moulded polyethylene packaging material were analysed. A hypothesis of normal distribution was accepted at the 95% confidence level. Established individual and moving range charts indicated that...

Li/LiCo1/3Ni1/3Mn1/3O2 and Li/graphite half cells filled with methyl acetate (MA) with 1M LiPF6 function very well. Cells filled with 1 M LiPF6 in EC:DMC:EMC:MA(1:1:1:3) show good capacity retention 147.5 mAh g-1 after 50 cycles at 25 °C. Electrochemical performance of Li-ion batteries is analyzed via...

Spinel LiNi0.5Mn1.5O4 cathode has attracted considerable attention because of its high energy density and operating potential. However, current carbonate electrolytes cannot meet the demand of this high voltage cathode. Here, we demonstrate that fluoroethylene carbonate (FEC) substantially improve the...

This paper aims to establish a suitable wind power forecasting model used to forecast the power of the wind farm. An improved real-time series model is built by linear function and Fourier function. For raw data, the picture of historical data is adopted to correct them. In order to improve the prediction...

Tank-cleaning oil sludge containing about 68.59 % saturated hydrocarbon and 14.93 % aromatic hydrocarbon was degraded by P. aeruginosa NY3 in this study. The results showed that, the degradation of oil sludge by P. aeruginosa NY3 was preferred under aerobic conditions, and sufficient dissolved oxygen...

Carbon dioxide and methane are the main greenhouse gas, CH4-CO2 reforming can transform the CO2 in the gasification gas and the CH4 in the coke oven gas into the syngas, the ratio of H2/CO in syngas can be adjusted by the ratio of gasification gas and coke oven gas according to the requirement, also...

The tunability on the refractive index of the liquid crystals makes the photonic crystal optical switch possible, which comprises liquid crystal materials. In this article, based on the light induced alignment of liquid crystals and the self-collimation effect in the photonic crystals, an all-optical...

Electrical properties, thermal stability and flammability are the important properties of insulating material in the high voltage metal-enclosed switchgear, which can affect the insulation fault of switchgear. With the development of new composite materials, it has a revolutionary impact on the switchgear...

The geological disaster data warehouse is constructed by Power Desinger16.1, with the theme as the geological disaster analysis and evaluation, and with the multisource isomerism source data of geological disaster. Through the way of Model-driven Architecture, use reverse engineering technology to extract...

The energy crisis is a worldwide hot topic under the knowledge economy era. Increasing depletion of traditional energy continually challenges renewable energy. Exploring and developing new energy is a very urgent task. The paper aims to construct Chinese ocean energy industry technology innovation system,...

Large gas fields occupy a dominant position in natural gas exploration and development. Many of them are at their mature stage and most are exploited effectively. Therefore it is necessary to study their successful experience to guide undeveloped gas fields. Based on analysis of more than 200 mature...

For the complexity of actual product structure, the three dimensional electric field finite element model of KYN-40.5kV high voltage metal enclosed switchgear was built and analyzed by using subarea modeling and partial thinning mesh. The calculation results show the distribution of the internal electric...

For the moment, the lead-acid battery is usually used as the startup power source of diesel generator sets, but in some alpine regions, the discharge capacity of the battery is obviously decreased, which affects the normal start of the diesel engine. In order to solve this problem, a new type of startup...

Fe2SiO4@C nanocomposites are prepared via a solid state reaction by controlling different calcinating temperature (600 °C 700 °C and 800 °C) under the flow of nitrogen gas. XRD analysis indicates that a typical -Fe2SiO4 phase is detected in the Fe2SiO4@C nonocomposites calcinated at 700 °C and 800 °C....

Four species of microalgae were chosen in this research, including two American species, Chlammydomonas reinhardtii CHRE for short and Scenedesmus obliquus(SCOB) as well as two domestic species Chlamydomonas sajiaoLewin CHSA and Scenedesmus obliquus SCOBC in order to analyze the nitrogen and phosphorus...

In the modern electric power system,power systems expand day by day in China.More and more large capacity generators with fast control excitation systems are put into operation.Along with the introduction of the competition mechanism by power marketing,the possibility of operating at the edge of stability...

The structure and working principle of steering column-power type electricpower steering (EPS) system were introduced. The control strategy and assist characteristics of EPS system were designed based on brushless DC motor. Torque control strategy of power steering motor was designed based on the research...

To explore the influence of climate factors on wheat growth period, the sequence, based on the test of APSIM model, research of the relationship between wheat and climate factors using the APSIM model and correlation analysis. The results show that the APSIM model can be used to simulate the wheat growth...

The article puts forward the concept of art farmland,summarizes its characteristics and principles of rural landscape planning.Taking Landscape Design at Xihe valley in Qionglai,Sichuan as an example.Discussing the application of the art farmland landscape to rural landscape from the design idea and...

This article focuses on the subject of iron ore. Though analyzing the relationship between iron ore consumption and economic development about China and American, it is found that the per capita consumption of iron ore in China was too early, which is not conducive to economic development. Through elaborating...

In order to solve the problem that different types of wind turbines accessing to the power gird has great influence on protection configuration and setting calculation, a fault current calculation model of doubly-fed induction generator under rotor excitation control was established when symmetric or...

The distribution of three typical pharmaceutical contaminants, caffeine, naproxen, and diclofenac was investigated in a typical municipal sewage treatment plant and the removal was analyzed in various treatment processes. The results show that all treatment units could affect the removal of pharmaceutical...

As a direct power supply to the distribution network user side, the photovoltaic power generation has a positive effect on reducing line loss of distribution network. However the loss reduction of PV power is conditional. The photovoltaic power installation location and the generating capacityboth affect...