Using the theoretical Based on Cross-Plot, Fuzzy-Math to identify the lithology, the logging data processing softwar-e system was prepared, which is the function of data management and lithology identification. Using the basic data from oil data, Results of the correct rate can reach 90%, provi-de guidance...

In lithology identification method, artificial neural network recognition results du-e to its objective and reliable, to be more widely used. Study selection of BP neural net-work, Shen 630-H1426 logging lithology identification, prediction accuracy of 90%, with a higher prediction accuracy magmatic...

Faced with fierce competition and various customer demands in marketplaces, manufacturers need to determine the appropriate settings of statistical quality control criterion for dynamic batches composed of similar products with different customer preferences so that the best customer satisfaction and...

The paper designed a simple and neoteric lifting mechanism and calculated its dynamic analysis in order to meet the design requirements of the transferring vehicle in drill pipe car. And equivalent moment of inertia and equivalent of the torque are worked out by using MATLAB. Finally, it is a feasible...

Modal test is one of the basic works of studying on dynamic characteristics of aircraft. The ideal state is to make the specimen in the “free-free” state when doing modal test. In actual, specimen is supported by an elastic supporting system, the stiffness, added mass and supporting position of the supporting...

The aircraft electronic devices are mainly composed of plate type, the structures with so many electronic components are complex. Most electronic components are standard parts. Reliability analysis of aircraft electronic equipment is mainly focused on the circuit of electronic equipment and components...

airplane oil pressure reservoirs are major fuel supplying parts of airplanes to have flight maneuvers. Since they are always working under alternating loadings, they are prone to produce fatigue fractures. Therefore, they will undergo vibration endurance tests in general. And the fixed-frequency vibration...

Design of DC boost circuit is very important for the reliable application of the high voltage part in pulse radar. A kind of DC power supply circuit based on resistance, capacitance and voltage regulator is presented in view of the requirement of the power supply voltage of the high voltage power system...

A three-dimensional cone is established by adopting the critical soil mechanics and the membership function to the bounding surface model to express the dynamic characteristics of the rock-soil materials under loading-unloading; The new axis of the cone expresses the plastic membership function of stress,...

The different width stripes were prepared on the Ti-6Al-4V alloy surface by using laser micro processing technology. Then, the DLC film was deposited on the textured surface by using radio frequency plasma enhanced chemical vapor deposition device. The tribological properties of the composite modified...

Accuracy improvement of springback prediction is a major concern in finite element simulation of sheet metal bending process, especially for the materials with high elastic recovery. This work adopts solid shell nite element for springback simulation and improves the simulation accuracy by means of rationalizing...

In order to find a method to suppress the cargo oscillation and precise positioning of tower cranes, this paper studied the effect of the lifting mechanism motion on the amplitude and frequency of cargo oscillation of the tower cranes. The calculation formulas of the amplitude attenuation of the cargo...

Spinel compound LiNi0.40Co0.1Mn1.5O4 was synthesized by a sol-gel process together with a calcinations process. The as prepared product could be indexed to Fd3m space group. The dopant Co resulted in more oxygen vacancy in crystal structure. The doped compound exhibited better cycle rate capability than...

In order to optimize the calibration intervals, predict its calibration data using gray GM (1, 1) model. For lack of modeling parameter vector solving method, use genetic algorithms to seek optimal parameter vector; use nonlinear programming function’s good ability of local searching to improve GA; finally,...

The gas-assisted co-extrusion molding technology is a new polymer processing molding process integrated with the gas-assisted technology. In the paper, we experimentally explored the effects of several key factors of the gas-assisted co-extrusion molding process with plastic profile on the formation...

The organosilicon-acrylic resin/LDHs nanocomposite was prepared from acrylate, organosilicon Mg-Al-AA-LDHs as well as emulsifier etc with emulsion polymerization methods. The samples prepared were characterized by optical , thermal and gas barrier capabilities testing, Results show the samples were nanocomposion...

The inhibitory effects of 2'-hydroxy-4'-methoxyacetophenone on the activity diphenolase contained in tyrosinase was studied using enzymological kinetic method. 2'-hydroxy-4'-methoxyacetophenone was found to inhibit diphenolase activity of tyrosinase. The 2'-hydroxy-4'-methoxyacetophenone concentration...

In this paper, the engine lifting mechanism of engine assembly line AGV is as an example, the engine lifting mechanism model is established using solidworks software, and using ANSYS Workbench 14.0 software the modal is analyzed of lift mechanism and ball screw to obtain their first 6 node frequencies...

This paper describes the application of a digitized remote sandstone monitoring system on the throughput of coal production, and depicts in detail its main circuitry as well as key components inside the monitoring system Please keep a second copy of your manuscript in your office. When receiving the...

on-line testing, 3D model reconstruction, Picking-up algorithm CsGL, STL model

Calcium silicate slag is a waste discharged during alumina extraction process from fly ash was investigated. In this study, its chemical composition, mineral composition and morphology of calcium silicate slag were obtained, and the variation of particle size distribution with different storage time...

3D printing is applied to fabricate complex structure green ceramic parts rapidly. In this study, ZrO2 ceramic were fabricated by 3D printing and sintering operation. In the 3D printing process of ZrO2 green bodies, zirconia/polyvinyl alcohol (PVA) mixture was chosen as a precursor powder material, while...

In this article, the scale and corrosion inhibition performances of Polyaspartic acid (PASP) and PASP-based composite were studied. The results showed the single PASP has good scale and corrosion inhibition performances, but the quantity of PASP used for corrosion inhibition is large (100mg/L). To reduce...

Highly nonlinearity and strong dynamic coupling exist in 6-DOF motion simulator. Usually, in order to make the system has good dynamic and static quality, a good controller need to be designed according to the nature of the dynamic model. Therefore, the research about the simplified dynamic model used...

In this paper, the discriminant categorization on complex material and variable structure system life are given, and there are two kinds of variable structure on complex material system life based on the empirical data and the simulating data and the evaluating and analyses rooted in actual system. Here,...

The diffusion strategies have been widely studied for distributed estimation over adaptive networks. This paper investigates the impacts of community structure of network on the performance of the adaptive-then-combine diffusion LMS. The study covers different local community structures, while the performance...

Projective synchronization is an efficient method in the study of synchronization. This paper presents the projective synchronization between a fractional-order multi-scroll chaotic system and the designed response system. By making the output synchronization error system of the studied system satisfy...

In this paper, we focus on investigating effective approach for tackling the complex hybrid indices optimization problems (HIOPs). Firstly, we analyze the strategy that utilizes machine learning models for breaking restrictions on search ability of MOEAs employed in conventional optimization framework...

The roots compressor is applied widely in chemical industry as well as aerospace industry. In the article, a new combination roots compressor rotor profile curve was designed, internal flow field in three blade straight and twisted roots compressor are simulated. The results show that twisted blade roots...

New Chinese style furniture is the cultural significance of Chinese traditional furniture in a contemporary context interpretation. It is the use of modern technologies, equipment, materials, and processes for production and processing, which can meet standardization and generalization of modern furniture...

Tannins content is one of the main measurement indexes of feedstuff from banana stalks. This study aims to develop a spectrophotometric method to determine tannins content of banana stalk and its silage. The tannins in banana stalk and its silage were extracted by boiling water bath. Using sodium tungstate-phosphomolybdic...

Based on Manaoke gold mine eastern dump, the super-high dump sliding failure mechanism was analysised by numerical simulation and model experiment under earthquake. The results found that: 1.Dump is in basically less stability state under normal work condition, while it is in less stability state under...

The aim of this work was to chemically modify orange peel with ethyl alcohol, sodium hydroxide and calcium chloride, and optimize the modified process parameters through the orthogonal experimental design. The effects of various parameters on the removal efficiency of Pb2+ were investigated detailedly,...

Numerical simulations were performed to determine the effect of the Reynolds number (Re) on the wall mass transfer rate of the straight pipe under the fully developed turbulent flow. The simulations were conducted for Re=20,000, 40,000 and 70,000. Because the viscous sublayer is a key zone to the wall...

According to the PM2.5 hourly average monitoring concentrations of Beijing environmental air monitoring stations during may and June 2014, the BP artificial neural network prediction model was built and tested, which verifies the feasibility and accuracy of BP artificial neural network model to predict...

Petrochemical industry plastics is widely used in the life. Because of its non-degradation, the long-term residue of waste has caused serious environmental pollution. Poly- -hydroxybutyrate (PHB) and its soluble substances are similar to the petroleum plastic materials. It is considered to be a good...

A novel biosorbent, waste crab shell modified with mercaptoacetic acid (WCS-SH), was prepared and used for the removal of chromium (VI) ion from aqueous solution. The effects of adsorbent dosages and contact time on chromium (VI) removal efficiency were investigated. Experimental results indicated that...

A rapid and efficient method termed micro liquid-liquid extraction combined with concurrent solvent recondensation-large volume injection-GC-MS has been developed for the extraction and determination of PAHs in water. Some condition parameters were optimized to obtain high detection sensitivity. Calibration...

Three main factors of constraining the wind power consumptive capacity of the northern Hebei Province grid are capacity of main transformer, transmission channels and voltage stability limit of regional power grid. This paper does research on the new energy consumptive capacity limit considering the...

Phenol hydrogenation over the Pd/ZrO2 catalyst has been carried out using ethanol as hydrogen source. The reaction temperature, catalyst and ethanol quantity are found to be influencing factors for effective phenol conversion. In all cases, low quantity (5%~10%) of ethanol and high temperature is efficient...

Nano-Fe2O3/bentonite complexes were prepared through a reaction between the iron salt solution and the dispersion solution of refined bentonite, and their degradation capability for phosphorus removal was investigated. The results show that Fe2O3 nanoparticles anchored between bentonite layers have enhanced...

Characteristics of a new type of Degreased pure Cotton Spunlace (DCS) were first investigated, compared with performances of Viscose Spunlace (VS) and the pure Natural Cotton Spunlace (NCS) before degreased. Bulk density of the VS is the greatest and that of NCS the smallest within the above three kinds...

The influence of the composite insulation compartment on indoor thermal stability is presented by two introduced factors: thermal comfort degree-hour and response factor. The results show that: when the vacuum insulation material is arranged on the top of the refrigerator compartment, the heat insulation...

In order to investigate the effect of surface fluorination, nitrogen doped titania plates with dominant {001} facets (abbr. NTP) were prepared by one-pot hydrothermal method in the presence of HF, and then two commonly used methods, calcination treatment and NaOH washing were carried out to get rid of...

The structure of the intelligent substation network is analyzed. The typical design is discussed for the process level network, the station control layer network and the time synchronization network. On this basis, the typical issues of the intelligent substation network are analyzed and corresponding...

the effect of dynamic change activities of enzymatic in Chrysanthemum field with different coating material was studied With three kinds of coated compound fertilizer as raw materials. Results show that the soil enzymatic activities of catalase sucrase and urease increased first and then decreased at...

The granularity of abrasive jet is closely related to the jet force. The paper uses the FLUENT software simulation technology to analyze the flow field structure under the condition of jet with different abrasive granularity. It is found that single particle momentum increases along with the growth of...

To grasp the gas occurrence and emission laws of Yaoqiao deep coal mining area (West ten mining area and the second central mining area) in No.7 Coal Seam, the neural network is used to analyze the relationship and degree of influence factors between gas occurrence and gas content. We construct a prediction...

This paper focuses on the generation and harm of power harmonic, and different measures on harmonic treatment. Analysis the Harmonic Suppression measures of Hybrid Series Active Power Filter. Result shows that the Hybrid Series Active Power Filter devices has the capacity advantages which is appropriate...

This paper is aiming at the most foaming agent who losing activity and fall flat under the condition of high temperature, with foam volume, drainage half-life and interfacial tension as evaluation index, using Waring Blender evaluation method, through the indoor experiment under the experimental temperature...

The objective of this research is to study effects of injection strategies, solubility factor, and aquifer parameters on the feasibility of storing CO2 in the naturally fractured aquifer by running compositional numerical simulator. Factors with direct relevance to CO2 trapping estimations: injection...

Based on the PMT test system analysis, from the perspective of PMT single photo-electron peak starting to get accurate test existing test pulse generator is optimized to achieve the interactive system and PC control system through the ARM controller, through the FPGA to achieve adjustable duty cycle...

We intended to observe the effect of absorbable hemostatic gauze (Tai Ling) in breast cancer surgery. We selected 200 cases of modified radical mastectomy for breast cancer patients, which were randomly divided into observation group and control group with 100 cases in each group. In the observation...

As a new power supply mode, wireless energy transmission has a very broad application prospect, which has been widely concerned by academia and industry. In this paper, based on the principle of magnetic coupling resonance, analyzed the technology and designed a set of wireless energy transmission system...

Objective To study the effect of bioactive peptides from the oviductus ranae of rana temporaria chensinensis on immune function in normal mice.

Direct on-site measurement of individual noise sources in AC substations is challenging, since the measured audible noise is a mixed result of diverse noise sources in the substation. In this paper, the audible noise of substation is divided into three categories: body, cooling device and corona noises....

This paper describes a coupled magnetic eddy-current, fluid and thermal finite-element model to analyze the steady and transient thermal behavior of a three-phase gas-insulated bus bar (GIB). The magnetic eddy-current field is indirectly coupled into the fluid and thermal fields through the power loss...

The notion of two-direction vector-valued wavelet packets which is the generalization of biorthogonal vector-valued wavelet packets is introduced. A method for constructing biorthogonal two-direction vector-valued wavelet packets is obtained and their properties are discussed by means of time- frequency...

Cellulose (CE), sawdust (SD) and wheat straw (WS) were subjected to triethoxysilane (AS) and methacriloxy propyl trimethoxy silane (MS), and maleic anhydride grafted polypropylene (MAPP) to improve interfacial bonding with matrix. PP/fiber composites were prepared in a rheomixer equipped with two rotor...

Coupling the phase field model of solid-solid phase transformation on the base of the liquid-solid phase transformation model,a new phase field model is established during solidification process.Taking the Fe-0.5mol-C alloy as an example, the model has realized the simulation of the liquid-solid-solid...

For photocatalytic degradation of azithromycin, La doping titanium dioxide(TiO2) /active carbon(AC) composites(La-TiO2/AC) was prepared by sol-gel method and characterized by BET and scanning electron microscope (SEM). Azithromycin wastewater was treated in a photocatalytic reactor with ultraviolet lamp...

A multi-stage series heat pump drying system with dehumidification is proposed to meet the demand of corn drying in Northeast China. The mathematical model of the system is developed in EES (Engineering Equation Solver). After building the model, the system’s performance under stable conditions is simulated....

The air-conditioning load will increase in the rooms with the same envelope size and same thermal performance, but in different height. Thermal reaction coefficient method is widely used in calculation of air-conditioning load. Change rule of thermal reaction coefficient can be confirmed by a calculation...

The complex detectors with multi-sensors of feature parameters are developed for realizing early fire-detection in substation. The fire detecting signal measurements from these multi-sensors and their variation rates are used as the data of substation fire judgment. The time of fire alarm is advanced...

Formation mechanism of shear band in normal consolidated soil were analyzed based on Modified Cam-Clay model under triaxial condition. The end effect and initial defect were considered. The results proved that end restraint and initial defect can induce and control the formation process and shape of...

In order to prevent surface movement and release “three under” coal, the new fly-ash cementing materials were utilized to take industrial test in Taoshan mine NO.3 colliery 95# coal-seam gob. The filling slurrys were transported into the filling bags in gob along the pipeline, taking away the pillar...

Build up the Autonomous Vehicle target uniform motion model, according to the real-time target static character information, give out the reasonable estimation for the uniform motion of the Autonomous Vehicle target by improved least square algorithm, and simulate the parameter estimation, then verify...

Rare earth elements (REEs) are critical for their functions in many clean energy technologies, but many of these technologies use REEs which are at risk of supply disruption. For this reason, scientific research on the problems surrounding the supply side of these rare earth elements (REE) has recently...

The band structures and electronic structures of pristine and Ag-doped zinc blende ZnS were calculated with the ab-initio ultra-soft pseudopotential plane wave approximation method based on density functional theory (DFT). The results show that Ag-doping narrows the band gap of ZnS and the acceptor impurity...

With the deepening of the concept of environmental protection, the problem of environmental protection is becoming more and more prominent. In the operation of the waterway dredging project, the premise is protecting the environment. Avoid the adverse effects of the various channel dredging technology...

This paper makes research on the methods of automatic-generation of 3D virtual city from the view of urban cellular automata model. The evolution process of the urban land units can be simulated by constructing urban cellular automata model, and then the results of evolution will determine the space...

The layered cathode materials LiNixCo1-2xMnxO2(x=1/11, 2/11, 3/11, 4/11, 5/11) powders for lithium-ion batteries were synthesized by metal acetate decomposition technique. The evolution of the structural properties and electrochemical performances of LiNixCo1-2xMnxO2 with Co content decreased were investigated...

Co doped lithiated vanadium oxides LiV3-xCoxO8 as promising cathode material for lithium ion batteries are prepared with a hydrothermal process. The crystalline phase are characterised by powder X-ray diffraction and the morphology are observed by scanning electron microscope. The electrochemical properties...

Effect of culture conditions on biodegradation of oil shale by Phanerochaete chrysosporium was studied. XRD and FT-IR were used to analyze oil shale before and after nitric acid pretreatment, degradation residues, and degradation products. The results showed that 15 d of degradation time, high carbon-nitrogen...

Wet hydrogen peroxide oxidation of synthetic pharmaceutical wastewater as a pretreatment method was investigated. The reaction parameters, such as reaction temperature and time, pH and the additional amount of H2O2, were examined using a batch reactor with COD removal rate as a standard for assessing....

Advanced Sludge dewatering system is investigated by the approaches of physical and chemical pretreatment process to improve sludge dewatering performance, based on the degree of difficulty or ease together with the relationship analysis of the existing form of the sludge water. Systems of sludge pre-treatment,...

Tetrahedron penetrating frames is a new breakwater structure.In this paper,the attenuation characteristics of tetrahedron penetrating frames were measured through physical modeling.The effect of the wave period,wave height,the number of rows,underwater penetration,row space,layout,and other factors on...

Enhanced heat transfer tubes are widely used in heat exchangers, and the characteristics of heat transfer and fouling are focused. Four kinds of tubes were tested at different temperature, initial concentration and velocity to study heat transfer and fouling characteristics. The results show that: the...

The device of the heat accumulation of salt ball concrete and the integration of Steam Furnace is composed of dimensional heat pipes, steam room, serpentine lead pipes, tanks, salt ball, aluminate cement concrete, heat pumps and so on. Apply the technology of salt ball concrete re generative furnace...

The double-deck monomer floating structure under the rules of two-dimensional wave action for the study of physical model experimental, measuring the wave height behind the structure in the experiment, calculated the transmission coefficient. Based on considering the different water depth, the different...

Track allocation problem in railway stations with stochastic viewpoint is a crucial part of the planning processes for railway companies. This paper proposes a stochastic schedule based optimization model to solve the station track allocation problem that considers minimum occupation time of station...

The experiment studies the frost resistance of high titanium heavy slag concrete by conducting 50 cycles of freezing and thawing on the high titanium heavy slag concrete test block with the standard slow freezing method. It researches the effects on frost resistance of high titanium heavy slag concrete...

This paper describes a test study of the interface mechanical behavior of high-strength concrete filled steel tube. According to push-out tests of four specimens of high-strength concrete filled steel tube, the failure pattern and load-slip curves were analyzed. Test results show that the load-slip curves...

Due to the effect of concrete shrinkage, bridge alignment and internal force can be influenced in the process of construction. Taking a three-span prestressed concrete continuous bridge as an example, a finite element analytical model was built by using Midas Civil FEM software. The effect of parameters...

The kinetics of pyrolysis characteristics of coal tar pitch (CTP) and quinoline soluble of CTP (refined pitch) were investigated by thermogravimetric analysis at the heating rate of 5, 10, 15, 20 /min, respectively. The reaction kinetics parametres were obtained based on Kissinger method, Flynn-Wall-Ozawa...

Based on the study of the multi-storey steel frame structure with additional oil dampers and consider composed of viscous coefficient with bilinear systems, vibration differential equations and computer programs are established. Taking damping multiples as a parameter for elastic-plastic time history...

The energy dissipation structure is set up in certain parts as energy dissipation device, which consumes most energy caused by the earthquake to reduce the seismic response of structures. Based on the study of additional metal dampers and generating calculation method of equivalent damping ratio, vibration...

This paper through a lot of physical model tests. Studied no bottom semi-circular wave dissipation block under the action of waves and transmission coefficients. It analyzes the impact of no bottom semi-circular wave dissipation block in different structures , different arrangement and other aspect of...

The dynamic characteristics of plane lift gate are analyzed based on the model of added mass arising from flow field which is induced by gate vibration in static water. The effect of added mass caused by fluid-solid coupling on gate natural frequency is considered. The natural frequency characteristics...

The phenomenon of coastal erosion in our country is becoming more and more common in recent years, as people’s attention to coastal erosion issues, scholars and experts have proposed all kinds of beach protection policies and structural measures and put them into practice. In order to study changes of...

Because the cost of berths and quay cranes are very high compared to the investment costs for the other facilities in container terminals, so berths and quay cranes are the most critical resources in determining the capacity of container terminals. In order to efficiently utilize berths and quay cranes,...

Geographic Information System (GIS) is a comprehensive spatial data processing technique, of which fundamental meaning, function, background and developing process are introduced in the paper. It is reviewed and emphasized that GIS has been applied to forestry industry fully and systematically in recent...

A structural parameter identification method without input information and with limited observations is proposed to identify the stiffness parameters and damping coefficient, to inverse the input information and to estimate the unmeasured responses in time domain. The unique feature of this technique...

Corresponding to the conventional anti-freezing agent, namely, sodium nitrite, the early strength development of the cement-fly ash composite cementitious material curing in the solution of water and sodium nitrite were investigated, respectively. The results show that, adding sodium nitrite increases...

The studies on erosion process of naturally restored grassland were not only very important for understanding of the effect of naturally restored measures on runoff and sediment reduction, but also necessary for analyzing the reasons of water and sediment dropped in Yellow River. This paper adopted simulating...

We collected from the literature and analyzed 19 groups tunnel rock classification data, combined with data mining functions of rough set theory and attribute reduction capability, factor analysis model was established based on rough set theory. After 19 sets of data attribute reduction, extraction equivalence...

This study investigates the impact behavior of hematite concrete beams using drop-weight facility. Reasonable experiment scheme is disigned, different tups were used and varying drop weights and heights were applied. This study measures impact loads, mid-spanaccelerations,and strains at the top and bottom...

As an important part of building envelope, roof has a significant impact on attic indoor’s energy consumption and thermal environment. Water storage roof bricks have a good heat insulation performance and environmental effect under a certain structure. This paper researches the heat insulation performance...

The hydraulic test model was built to investigate the fluid-induced vibration of plane gate by changing the gate opening and flow rate respectively. The flow field near the gate was measured with the PIV system while the gate structure was measured with 8 channels high speed vibration acquisition system...

Intercrystalline and pore brine develop extensively in the Heibewadi research area which is located at south foot of Altun mountain of Qaidam basin. In central area, intercrystalline brine’s depths range from 5m to 90m. In northwest, south area and central deeper area, pore brine develops under intercrystalline...