The present work reports a double-layer composite film made of TiO2 nanotube arrays (TNT-arrays) as the overlayer and TiO2 nanoparticle (P25) as the underlayer as the photoanode of dye-sensitized solar cells (DSSCs). The TNT-arrays were fabricated by two-step anodization process. In order to further...

By means of transfer matrix method, the reflectance of Thue-Morse (T-M) structure containing indefinite metamaterials is investigated It is shown that there is an omnidirectional reflectance band (ORB), and location of the ORB remains invariant with the change of generation order. The width of the ORB...

Damper is an important part of vehicle suspension system, containing the nonlinear vibration system of elastic force and damping force, this system generates vibration excited by road irregularities and vibration source such as engine. To solve shortcomings of the traditional vehicle that consumes energy...

the new Magnesium Phosphate Cement (MPC) was prepared by using the by-products of extracting lithium boron magnesium oxide (B-MgO ) as raw material. The influence of hydration hardening process was studied by testing setting time and compressive strength of different raw materials ratio of MPC. The phase...

In order to study cube compressive strength of recycled lightweight aggregate concrete, with the change parameters of replacement rate of recycled lightweight coarse aggregate, 15 standard cube test blocks were designed and produced to carry out compressive strength test. The failure process and failure...

The solid-state diffusion bonding experiments of the high Nb containing TiAl alloy were successfully carried out at the 1100 under a uniaxial pressure of 30MPa for 45min, and the microstructure as well as the shear strength of the diffusion bonding interface with different surface roughness were investigated....

The plastic property of AZ31B sheet is poor at room temperature, so taking it as the object. Based on ABAQUS platform, FEM models are established. Moreover, ductile damage value is used as the indication of the crack, and based on the linear interpolation mathematical model, the minimum relative bending...

In this study, a new type of heterogeneous catalyst based on cement matrix composite was developed. Hydrated cement particles (HCP) were used as the carrier material to immobilize the ferric iron produced by Fe2+/H2O2 system. Iron load bearing by new catalyst was calculated to be about 130.5mg/g. The...

MgAl2O4 spinel, as support of the 10Ni/MgAl2O4 catalyst which used for coke oven gas dry reforming, was prepared by sol-gel, coprecipitation and urea hydrolysis method. The catalysts were prepared by impregnation. The MgAl2O4 and 10Ni/MgAl2O4 were both calcined at 800 oC for 5 h and the samples were...

The shear stress-generating system is designed and calculated in low-frequency mechanical spectrum apparatus to obtain the 10-3 relative strain for the pure Al specimen with dimensions Ø1mm×50mm in this paper. The physical dimension of Helmholtz coil, the specification of enamel wire and the number of...

Effects of powder characteristics on rheological properties of alumina slurries were preliminarily investigated by measuring the particle size distribution and flow curves under steady and oscillatory shear conditions. The particle size distribution of three kinds of alumina fine powders was fitted based...

Selecting reasonable gas pipeline materials is of great significance to improve the safety and reliability of gas transmission and distribution system and reduce the project cost in gas engineering. A method used for selection of gas pipeline materials is presented used VE theory. In this method, a mathematical...

3 kinds of cement concretes are listed as follow: normal concrete, air-entrained concrete with 4% air content, concrete with 15% fly ash and 4% air content. Experiment methods of environmental coupling effect were designed. Model had been proposed in order to classify ink-bottle pore. Contents and shapes...

This paper presents an expansion loading technique for metal cylindrical shell to effectively achieve a one-dimensional, high-strength and quasi-static tensile loading on shell sidewall. A quasi-static axial compression is firstly loaded on the filling polymer via rock triaxial testing system (RTTS),...

We proposed a clean and safe method of preparation of activated carbon from waste penicillin mycelium by first soaking it in aqueous alkaline solution, to remove protein by filtration. Then the protein-free filter cake can be used to produce activated carbon without NOX emission. The optimal conditions...

The simulation of hastelloy-c276 tube stagger spinning process was carried out by the finite element software of simufact to reveal the reason of defects of the tube. The magnitudeand variation rule of uplift and diameter extension defects were analyzed under different technical parameters. Experiments...

In order to improve the utilization and added value of the Yangtze river sand, the raw materials for preparing high performance quartz sand insulating brick were investigated, the following conclusions can be obtained through investigating the influence of mechanical milling loading quantity on performance...

Vibratory stress relief(VSR) is carried out by using mechanical eccentric vibration aging machine. It is the common method to remove the residual stress of the metal component, with energy saving, environmental protection, highly efficiency, low cost and other advantages. However, due to the limitation...

Nanocellulose was extracted from pineapple leaf using high pressure homogenization (HPH) in a liquid, homogeneous state. After optimizing conditions, nanocellulose was obtained at 100 MPa for 45 cycles with the diameter of 4-10 nm. The nanocellulose was cellulose II, with the crystallization index reducing...

An approach of distance-field-based layered manufacturing (LM) of FGM objects is presented in this paper. Firstly, a 3D model is sliced and scanned to a series of 2D point clouds. Then, through uniformly subdividing each 2D point cloud we can compute the signed distance field of each grid points. According...

In this paper, one novel solar adsorption watering tube was designed. Solar watering tube (SWT) is an independent unit producing water from air, which uses solar energy to drive the production process. Compared with the traditional methods of producing water, the production process of SWT bases on adsorption/desorption...

Analyzed, the results show that the EGA analysis can effectively characterize solid waste in each stage of pyrolysis. Using the EGA technology, such as paint. RDF release in different stages of the gas composition in the combustion process.Gasification and combustion dynamic characteristics. To master...

With the feature of high pyrite, high gold, fine gold dissemination in a gold tailing, experimental studies of floatation and thiourea leaching were carried out on a gold ore. The results showed that single floatation or thiourea leaching process was not suitable for this tailing. The grade and recovery...

Process mineralogy of a uranium ore which had U (0.22%) and F (1.04%) was investigated by modern SEM-based mineral liberation analysis (MLA) system and traditional process mineralogy research methods. The results indicate that traces of uranium minerals are mainly pitchblende, small amount of coffinite...

This paper provided a method for determination of Copper, Iron, Manganese, Nickel, Cobalt and Arsenic in bioleaching solution by ICP-AES. Working conditions of the instrument and selection of analytical spectral lines were tested and optimized. The detection limit was 0.002, 0.003, 0.001, 0.003, 0.007,...

In this article the non-linear finite element method is used to analyze the effect of presence of micro pore near a crack tip on both of the characteristics of crack tip plastic zone (its shape and size) and crack growth properties (such as crack growth length and crack initiation angle) under pure shear...

In view of the disadvantages of superfine fiber nonwovens materials made by polypropylene (PP), such as poor hydrophilcity, deficiency of antibacterial property, poor hand feeling, we chose polylactic acid (PLA) slices as the raw material to make superfine fiber non-woven materials, which is quite antibacterial...

High efficiency in drilling is measured by Mechanical Specific Energy (MSE). MSE can be expressed mathematically in terms of controllable parameters Weight on Bit (WOB), Rate of Penetration (ROP), Revolutions per Minute (RPM) etc. Once the optimum WOB was determined, the correlation with Torque and Penetration...

Pier No. 8 of Maling River Bridge was constructed by synchronous construction method of pylon and girder, while pier No. 9 was constructed by conventional construction method. In this paper, synchronous construction feasibility is analyzed theoretically by construction simulation computation based on...

There are some one-sided in the robot performance index of the current robot. This paper applies delta parallel mechanism to analyze the condition number index and global performance index (GPI). An improved global motion performance volatility index is also introduced according to the deficiency of...

A new friction model is built for ultrasonic consolidation process by considering deformation of foils due to the texture on the surface of sonotrode. Based on the friction model, a thermal-mechanical coupled finite elemental model is built to study the influence of process conditions on interface temperature...

In this paper, the method of melting snow with carbon fiber heating wire (CFHW) buried in concrete pavement is presented to avoid the adverse effects of snow-melting chemicals. The pavement temperature, heating rate and temperature difference are analyzed. It is shown that, with an input power of 500W/m2,...

This essay proposed a spinning force calculation method based on rolling force, For the computing method of conventional spinning force sometimes has a great error by neglecting deposit metal before roller, and it is analyzed an effective and accurate way by testing a set of craft experiments. Then setting...

In the spinning process of aluminum spinning products, the trail top force must be moderate. If trail top force is too small, sulg will be relative rotation with core model, even cast from working area and if trail top force is too strong, it will cause bearing overload of principal axis and trail top....

A nonlinear flutter analysis method using CFD/CSD was presented in this paper. The computational method couples a nonlinear finite element method model with CFD solver. The structural analysis was based on a 4-node thin shell element and a new corotational (CR) formulation, which can be employed to analyze...

The composition, system construction, construction technology and function of glass wool board external thermal insulation system were introduced in this paper, the glass wool board was sewed warp and weft direction by basalt fiber and treated by waterproof and flame retardant interface agent (modified...

In this paper, the major research contents include improving the properties of phenolic foams through making urethane oligomer modifiers. Various characterization methods were adopted to analyze the properties and microstructure of phenolic foams. Finally, a new type of phenolic foam, which has good...

This paper aims to the physical characteristics of rock mass in the course of rising from room temperature to 600 C. The maximum stress is reduced from 29.95MPa to 15.65MPa when the temperature rises above 400 degrees, the modulus of elasticity decreased by even more than 90% between 250 and 400 C. The...

This study describes the production process of glass production lines; according to the production process is designed to take the line terminal board manipulator, using Pro/E software to design the mechanical structure of the three-dimensional simulation, but also gives some standard parts design and...

According to the movement relationships and geometric relationships of cylindrical roller bearing parts, the mathematical model of the radial runout of bearing outer ring is established. The principle of algorithm for the radial runout of bearing outer ring is analyzed. Numerical simulation of the motion...

Graphene nanoplatelets (GNPs), as new candidates for nano-sized additives, are potential to improve the mechanical and durability performance of concrete. On the other hand, GNPs will act as conductive fillers to lower the conductivity of concrete, which may induce corrosion problem due to high ions...

The paper proposed a control method based on the electro-hydraulic servo loading system used on the bearing test rig for aircraft engine. Aiming at the nonlinear problem of the system, a control method is designed based on RBF neural network. This method uses the BRF algorithm of neural network on the...

In this paper, a dimethyl phosphonate doped (P-doped) silica sol was prepared from a tetraethyl silicate inorganic precursor and applied to silk fabric as a flame retardant finish through the sol-gel process. The X-ray photoelectron spectroscopy (XPS) analysis and scanning electron microscope (SEM) images...

The plastic deformation characteristic of cone hole open-die cold extrusion was analyzed based on the concepts of hydrodynamics, the stream function of instantaneous velocity field was built. According to the determination of the equation of stream function, the kinematically admissible continuity unstable...

Based on the structural characteristic and superior performance of traveling on sand of ostrich foot, explored the special role of the ostrich plantar morphology in the process of traveling on sand. Measured the three-dimensional (3D) point cloud of ostrich plantar surface using 3D laser scanner, and...

Carboxylated polystyrene particles were synthesized by batch emulsion copolymerization of styrene (St) and methacrylic acid (MAA) at 70 °C for 7 h. The effects of introducing time and amount of emulsifier SDS on the polymerization and properties of polymer particles were investigated. Results showed...

The non-linear creep behavior of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB)-based polymer bonded explosives (PBXs) with different binder content has been measured under different stresses and temperatures. Reduced creep strain and steady-state creep strain rate and prolonged creep failure time were...

Thermal decomposition of calcium carbonate has been studied by thermogravimetric analysis (TGA). The complementary application of the isoconversional method and model-fitting method has been used for deriving the kinetic triplet (activation energy [E], frequency factor [A], and model) from the TGA experiment....

Amphiphilic fluorocopolymers P(MMA)-co-P(PEGMA)-co-P(DFHM) are prepared via ATRP by hydrophilic poly(ethylene glycol) methyl ether methacrylate (PEGMA), hydrophobic dodecafluorohrptyl methacrylate (DFHM) and methyl methacrylate (MMA). The self-assembled surface is characterized by chemical composition,...

Chestnut shell pigment was employed to modify a polyacrylamide superabsorbent. The synthesis was conducted through free-radical polymerization in aqueous solutions by using N, N'-methylene bisacrylamide and ammonium persulfate as a crosslinker and an initiator, respectively. This work focused on the...

Pulse thermography has been proved an effective method for the quality testing of coating materials. Surface temperature variations not only reveal the shape and position of the defect, but also reflect the property of the second layer. In this paper, the relationship between surface temperature and...

Silica gels catalysts containing undecatungstocobaltoindic heteropoly acid were prepared by means of sol-gel method. Infrared spectra revealed that the Keggin structure characteristic of InCoW11O397- anion was present in the silica gel skeleton. The regularity of the change of the characteristic peaks...

The consecutive layer of a nickel alloy was deposited onto a GH864 nickel-based superalloy gas turbine engine blade using laser cladding. To ensure the performance of blade, the gas turbine with laser cladding repaired blades worked two weeks and a detailed measurement and investigation were performed...

In this paper, different exciting methodsof active thermography, including the pulsed flash lamp exciting, halogen lamp step heating and ultrasonic exciting, were applied to detect different kinds of defects according to their different heat build-up properties. The results showed in the paper reveal...

To change the combustion performance of polystyrene plates, the thermosetting phenolic resin/Al(OH)3 solution retardant, a method of flame retardant coating was used. By the analysis of the main preparation process, a kind of thermosetting polystyrene insulation board was made, and the problem between...

In this paper, -isotactic polypropylene ( -iPP) samples were prepared by adding two nucleating agents with different particle sizes (NT-C and ST-C). The melting, crystallization and mechanical properties of -iPP samples were investigated by means of differential scanning calorimetry (DSC) and mechanical...

he Oxy-fuel combustion of Yunfu bituminous (YFB) chars was studied by isothermal thermogravimetric experiments at 1273K-1573K. The surface area of coal chars prepared at different stages of Oxy-fuel combustion was determined by BET methods. The pyrolysis temperature leads to a slight increase in the...

Nanostructured semiconducting metal oxide (SMO) gas sensor can be fabricated with flame synthesis by combusting a premixed fuel-oxidizer mixture doped with a selected metal precursor in the stagnation flow configuration. Particle size and film thickness of the SMO sensor are the most significant parameters...

Two kinds of Acrylonitrile-Butadiene-Styrene (ABS) resins (ABS749S and ABS757) were manufactured as MCPA6/ABS copolymer alloys by in situ polymerization and their crystallization properties were analyzed by Differential Scanning Calorimetry (DSC). The DSC results indicated that ABS did not change coexistence...

Wide band gap hydrogenated amorphous silicon oxide(a-SiOx:H) films were prepared by radio frequency plasma enhanced chemical vapor deposition(RF-PECVD) method. Nitrous oxide(N2O), hydrogen(H2), silane(SiH4) were used as source gases. With the increase of N2O/SiH4 ratio from 0.5 to 2, the optical band...

Surface pits in a-plane GaN have long been considered as a result of island coalescence in literature, while pits in c-plane GaN are the surface termination of screw dislocations. It is found in the paper that small surface pits on a-plane GaN also terminate perfect screw dislocations and partial dislocations...

Synchrotron radiation X-ray absorptionmeasurements wereperformed to study the structure of Si-doped n-type GaN layers grown on sapphire by metalorganic chemical vapor deposition (MOCVD) and undoped GaN epitaxial layers grown on Si by molecular beam epitaxy (MBE).It was found that the anisotropic characteristic...

Two different phases of Ga3Zr with tetragonal (D022) and cubic (Ll2) structures under high pressure are investigated by using density functional theory (DFT) calculations. The elastic constants (Cij) and mechanical moduli, including bulk modulus (B) and shear modulus (G), are calculated under various...

Visible light active photocatalysts were prepared using N/Ce co-doped anatase TiO2 nanoparticles and using cetyltrimethyl ammonium bromide (CTAB) as template. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), fourier transformation infrared spectroscopy (FTIR),...

Based on the Tersoff potential, we have investigated the effects of dislocations on the crystal growth rate of Si (110) rough interface by a molecular dynamics simulation. The atomic structures show that, the (110) interface morphology with a dislocation keeps flatness similar to that of dislocation-free....

Transparent conductive thin films of aluminum-doped zinc oxide (ZAO) were prepared by radio-frequency magnetron sputtering with ZAO (98 wt% ZnO, 2 wt% Al2O3) as the ceramic target. The visible transmittance was investigated by ultraviolet–visible spectroscopy, the carrier concentration and Hall mobility...

The monolayer MoS2 thin film was deposited directly on quartz substrate by chemical vapor deposition (CVD) approach using MoO3 and sulfur powders as reactants. Raman spectroscopic and photoluminescence (PL) spectroscopic analyses were conducted to evaluate the structural and optical property of the grown...

A NiCrAlY coating has been prepared by electrospark deposition (ESD) technology on gun steel and its isothermal oxidation behavior at 950°C investigated. The results indicated that the NiCrAlY coating consists only of a homogeneous single -NiAl phase; NiCrAlY coatings substantially increase the high-temperature...

The pure silica hydrosol and phosphorus-doped silica hydrosol was prepared using sol-gel method with methyltrimethoxylsilane(MTMOS) and tetraethoxysilane(TEOS) as precursors and ammonium biphosphate as a flame retardant(FR) in the presence of hydrochloric acid and cationic /nonionic surfactants in aqueous...

Composite (CrAl)N and (CrAlSiY)N hard coatings were deposited on 1Cr11Ni2W2MoV steel substrates by arc ion plating system under negative bias of 0 V, 100 V and 200V respectively. Pulsed bias gave rise to the deviation of elements, the decreased deposition rate, and the change of the preferred orientation,...

The heater structure plays an important role in the chip-scale atomic clock (CSAC) to achieve the performance of low power consumption, and it is the most effective way to make the structure by depositing the indium tin oxide (ITO) for its heating performance and transparent property. The influence of...

Positively charged cellulose derivative quaternized cellulose (QC), was layer-by-layer (LbL) assembled with negatively charged cellulose derivative carboxymethyl cellulose (CMC) to produce the thin film. The factors of dipping and rinsing time on the thin film growth were investigated. FT-IR confirmed...

Aiming at the machining difficulty of a large thin sheet part, high speed milling and a vacuum fixture are used to reduce its machining deformation and errors. The vacuum fixture suitable for the machining of the large thin sheet part is designed and fabricated. It is able to clamp the large thin sheet...

Microcellular foam injection molding process is a new technique and widely used in different industries nowadays. However, most products have surface defects that limit this process usage. This paper introduces different methods used on improving microcellular foam injection molding parts surface quality....

In many oil spill accidents, the crud oil flowed into the ocean led to serious crisis to environment as one type of pollution. It can pollute air, water and soil. A research on oil spill cleanup materials in oceans showed new material fibers can absorb several times oil as the materials' weight. If a...

This paper aniline wastewater reaction solution using Orthogonal Design Hydrogen Peroxide Degradation of aniline process, results showed: Impact H2O2 Decomposing aniline five factors (aniline initial concentration, pH value, H2O2 dosage, reaction time, temperature), the effect of H2O2 dosage maximum...

This paper discusses the peak of both glucose uptake and standards of polysaccharides are Gracilaria maximum absorption at 485nm, it is OK to select UV measured drawing and polysaccharide content in the sample solution of polysaccharide from Gracilaria glucose standard curve absorptiometry a wavelength...

An asymmetrical photochromic diarylethene1-(3,5-Dimethyl-4-isoxazolyl)-2-[2-methyl-5-(5-hydroxymethylpyridyl)-3-thienyl]perfluorocyclopentene (1o) was synthesized and its phtochromic, fluorescent properties were investigated in detail. This compound exhibited remarkable photochromism, upon irradiation...

In the paper, under simulated culture conditions, the effect of myxobacteria microecological preparation JCH-04 on the growth, digestive enzyme and humoral immunity of grass carp were studied, at the same time, the removal effect of that on NH4+-N, N02 -N and COD of aquaculture water was assessed. Feeding...

A terpolymer resin (NSMA) was synthesized with styrene, maleic anhydride and N-phenyl maleimide. The structure and composition was characterized with FT-IR and 13C-NMR. The thermal resistance of NSMA was determined through integrated thermal analysis. The results indicated that, when the molar ratio...

With the development of economy in China, especially energy, petrochemical industry, the amount of water transportation of chemicals is increasing day by day. At the same time, the chemical leakage probability is greatly increased, and it also affects people's daily life and health. In this study, we...

Bisphenol A (short as BPA) is usually used for thermochromic products, and in recent years, it begins to be applied in functional textile with thermochromic performance. As a kind of environmental hormone, BPA is generally considered as chemicals with risks for its embryo toxicity and teratogenicity,...

As a new environmental friendly material, the preparation and modification of biomass charcoal has become more and more popular in environmental science and other research field. Preparation techniques and the mechanism of activation of various methods were introduced in this paper. Carbonization and...

Diuridine P2, P3- (dihalo) methylenetetraphosphates (Up2CF2p2U and Up2CBr2p2U) were synthesized via the activation of P (V) –N bond. The key uridine 5 -phosphoropiperidate intermediate was obtained via a redox condensation method.

When domestic wastewater was treated by biological contact oxidation on soft packer and Bio-Filter process, the removal effects of COD/TN/NH3-N and TP were discussed at different C/N and loading in the paper. Further more the combined processing of biological contact oxidation and Bio-Filter were studied....

Soil environment is one of main influence factors for buried pipeline corrosion. In order to improve soil corrosion environment, some physical and chemical methods are available. The aim of this work is to evaluate validities of two kinds of chemical reagents for improving soil corrosion environment...

Phosphorus adsorption and desorption in natural waters have played a crucial role in the ecology of rivers and reservoirs. Hence, the purpose of this work was used to study the effect of sediment's characteristics on phosphorus adsorption and desorption. The experiment uses open channel model, instead...

A superhydrophobic ZnO/C surface with a carbon morphology derived from a wood template was fabricated through a solution immersion process, sintering, and modification by FAS. The distribution of zinc oxide on the carbon substrate surface was controlled by changing the mass fraction of Zn(NO3)2. After...

Natural silk fibers were used as the template to synthesis biomorphic Fe2O3 fibers. Silk fibers were first immersed into a Fe(NO3)3 solution and then sintered in air at high temperatures to produce the final Fe2O3 fibers. Their microstructures, phases, and synthesis process were analyzed. The results...

Enzyme immobilization is a potential technology for many different industrial. Alkaline protease (AP) microcapsules were prepared with sodium alga acid (1.47%), AP (0.78%) and anhydrous calcium chloride (2.93%). The mixture was placed for 1h and the encapsulated rate of microcapsules achieved 96%. The...

A novel approach to organic-inorganic asymmetric particles through the co-assembly of block copolymers (BCs) and magnetic Fe3O4 nanoparticles (NPs) in solution is demonstrated. When 11-mercaptoundecanoic acid (MUA) modified Fe3O4 NPs and an amphiphilic block copolymer polystyrene-b-poly (2-vinylpyridine)...

PHB is similar with non degradable plastic which is widely used in most properties. It is supposed to be an excellent substitute of traditional petrochemical plastics because of its biodegradable character. However, the production cost of PHB is much higher than that of traditional plastic. The substitution...

In this article, a novel hemp stem powders (HSP) reinforced flexible polyurethane foam from polyols and diphenylmethane diisocyanate (MDI) has been prepared by self-rising method using water as blowing agent. The cell morphology of the HP reinforced foam was examined by scanning electron microscope (SEM)....

In many practical problems, it is sometimes necessary to evaluate the derivative of function whose values are given approximately. Firstly, the problem of estimating the derivative of a function observed with error is studied. It presents a proper regularization strategy and explain how to choose regularization...

A three-dimensional elastic-plastic FE(finite element) model of power spinning of thin-walled Ti2AlNb alloy shell was established based on the dynamic, explicit module of FE software. The key technologies, including contact boundary, mesh, were dealt with reasonably. The reliability of model was validated...

The stretching process is a complex plastic deformation process, the deformation zone is relatively large, metal flow, in the process of drawing prone to flange wrinkling and force transferring area of tensile deformation to scrap parts. Therefore, it is necessary to analyze the wrinkle, the root cause...

As different friction coefficients, extrusion speeds and extrusion temperatures have an effect on equal channel angular extrusion process of Ti5553 alloy under non-isothermal condition, 3D model had been set up to simulate the high temperature deformation behavior and particle tracking method was given...

The Deep penetration perforation water-jet technology is an effective method of the potential remaining oil exploration. Before the deep penetration perforation of reservoir it needs to open a window on the casing pipe. But the windows easily lead to decrease of casing pipe strength, which cause casing...

The energy minimization multi-scale model was applied to the plane jet. The stability condition of plane jet was adopted to predict the velocity distribution of plane jet. .The ratio of total dissipation to viscous dissipation tends to the maximum was used as the optimization condition. The simulation...

The general modeling method of composite quick-install scaffold used in substation construction is proposed for the scaffold inspection and evaluation in the delivery test. The method analyzes the characteristics of the scaffold structure and can be suitable for different types of composite quick-install...