With 2 mol% Al3+ ions and 8 mol% Eu3+ ions co-doping,nano-size[K0.8Y0.63Eu3+0.08Al0.02][Mo0.2W0.8O4] phosphor was synthesized by the sol-gel method. Through XRD, DTA-TG, SEM and photoluminescent analysis, its morphology, crystal structure and luminescent property were discussed and it is found that one...

Packing in a flotation column is one way to increase separation efficiency and effective descending flotation-column height. In this paper, the two packing mode of filling packing and sieve packing is described. Based on sieve-plate packing, a high-efficiency mixed packing mode consisting of screen-plate...

The WQ960 steel is high strength steel, which is widely used. The WQ960 high strength steel was welded by gas metal arc welding under longitudinal magnetic field. The tensile strength, impact properties and microstructure were tested by tensile test, impact test and metallograghy test, which were under...

A new room temperature vulcanized silicon rubber (RTV) antiflashover coating with high hydrophobic surface was prepared industrialized with organic/inorganic hybrid technology by using hydroxyl-terminated polydimethylsiloxane, nano and micro silica with deferent diameter range, silane coupling agent...

With the popularity of the Internet of Things technology applications in various fields and the continuous improvement of technical level, the intelligence level of China's medical equipment industry is also growing. For example, the infusion monitoring system in the application of intravenous fluids....

The Ni7Cu3 alloy was prepared by arc-melting. The magnetic and magnetocaloric properties of alloys had been investigated. The Ni7Cu3 alloy was formed in a single phase with Cubic Ni-type crystal structure. The sample undergoes a second order magnetic phase transition from ferromagnetic (FM) to paramagnetic...

Based on the micro-structure of the 3D full five-directional braided composites inner unit cell model and the dual-scale characteristics of braided preform porosity, this paper established a model for calculating the permeability of 3D full five-directional braided preforms. By applying periodic boundary...

Effect of aeolian sand on the skid resistant of AC-13 and SMA-13 asphalt pavements was investigated by characterization of skid resistance value and structural depth of the asphalt mixture before and after acceleration wearing. The results indicates that the when the aeolian sand cover is inferior to...

Objective: Due to the good visible-light response and strong electron transfer ability, the polymeric semiconductor C3N3S3 was developed as an inspired photocatalyst for the degradation of organic dyes. Methods: Trithiocyanuric acid was used as the raw material for the synthesis of C3N3S3 by hydrolytic...

Objective: Due to possessing the layered structure and tunable band gap, Bismuth oxyhalide BiOX (X = Cl, Br, I) has been regarded as a novel photocatalyst with excellent photocatalytic activity for the degradation of organic pollutants. Methods: In this study, BiOClxBr1-x (0 x 1) solid solution photocatalytic...

In order to solve the inefficiencies, labor-intensive, inconsistent quality and other shortcomings in traditional package bag artificial production, a prototype of double-position automatic bagging machine based on Omron PLC and HMI was developed by the authors.Considering both industrial site requirements...

Hemiplegia is the most common performance of stroke. In order to assist the recovery of upper limb hemiplegia patients, the author developed a 3-DOF upper limb rehabilitation robot system based on the technology of Virtual Reality. The system can help patients to complete the shoulder movements of abduction/adduction,...

In order to optimize the production process of the fused zirconia-alumina-silica material(AZS), the simulation was conducted by using the Anycasting software to study effects of the mould specific heat of SiO2 material on the system solidification time, solidification fraction, temperature gradient and...

In order to optimize the production process of the fused Zirconia-Alumina-Silica (AZS) material, the cooling process of fused AZS material was analyzed and the influences of latent heat on solidification sequence, solidification time, temperature gradient and residual melt modulus of cast system were...

Silicon oxide is widely used as a thin film to improve the surface properties of materials, because it is of anti-resistance, hardness, corrosion resistance, dielectric, optical transparency etc. Just as these excellent performances, silicon oxide thin films are used in many fields. There are many ways...

The solidification process simulation of the fused cast AZS material to predict porosity and cavity has not been extensively researched. Using software Any-casting, effects of the thermal expansion coefficient on solidification sequence, solidification percentage, solidification time, difference of temperature gradients,...

Finite element analysis for the strength prediction of 3D braided composites structures are presented in this paper. A strength analysis model was established to investigate the strength characteristics of the 3D braided composites. Repeated unit-cell (RUC) model was used in this model to describe the...

Based on the molecular dynamics simulation, this manuscript is dedicated to the studies of dynamical behavior in the two dimensional Frenkel-Kontorova model with triangular symmetric periodic substrate when a dc drive and a circular ac driven force are applied. The numerical results show that the velocity...

In order to optimize the process of the fused zirconia-corundum-silica (AZS) material, by the Any-casting software the cooling process of AZS was simulated to explore effects of the critical solidification rate of cast on solidification sequence, coagulation time, probability of shrinkage cavity and...

Erbium ion doped sodium lanthanum gallate glasses (Na2O-La2O3-Ga2O3 or NLG) which are suitable for use in optical waveguide devices has been fabricated and characterized. The density, the refractive indexes, the absorption and luminescence spectra along with the luminescence decay time were measured....

The texturization of monocrystalline silicon wafers using a mixture of potassium phosphate tribasic (K3PO4) and potassium phosphate dibasic (K2HPO4) solutions has been investigated. A series of comparative experiments were made to indicate the dependence of hemispherical surface reflectance on the solution...

minium; There are many advantages of high purity alumina. hydroxide as raw material, through making ammonium aluminum sulfate as precursor, prepared high purity alumina after high temperature in this study. By adding ammonia to adjust the pH of the precursor in this experiment. make range of pH from...

This paper studies the carbon fiber structure, physical properties, chemical properties as well as classification of the carbon fibers and the application of carbon fiber, through appropriate material selection (the merits of the material), a large number of experiments (of manufacturing a heating element)...

, -fluoromethylene-ATP is advantageously obtained via pho-sphorylation of corresponding ADP analogue using catalytic NTP(N=A or U),PEP,nucleoside diphosphate kinase(NDPK), and pyruvate kinase(PK). In order to find the optimized reaction conditions of synthesis of , -CHF -ATP via the catalysis of ATP...

Recently,the interest in purple sweet potato has increased due to its high nutrients content. In order to improve the drying quality of purple sweet potato, in this study, response surface methodology (RSM) was used to optimize operating conditions of the purple sweet potato in a hot air drier and quadratic...

Hydrogels have been widely used for biomedical and tissue engineering applications, and there are a lot of both synthetic and natural systems used for these purposes. In this study, we described the synthesis, characterization and properties of a novel hybrid PEG-based hydrogel in situ polymerization....

Generalized gradient approximation (GGA) plus on-site Coulomb interaction corrections (GGA+U) method within the framework of density functional theory (DFT) is used to investigate the electronic structure of SrNiO3. A series of on-site interaction U (J = 0.3 eV) values are employed in the calculations...

Highly efficient Li4SiO4-based sorbents for CO2 capture at high temperature, were developed using waste rice husk ash (RHA). Two different RHAS resulted from different calcination temperature as raw materials for preparing the Li4SiO4-based sorbents. These raw ashes and their resulting Li4SiO4-based...

Environmentally friendly high-power energy sources are demanded increasingly nowadays due to several factors, such as global warming and climate changes, as well as the ever-growing number of portable devices and the introduction of electric vehicles. Supercapacitors as a complementary device are a kind...

NiFe2O4 matrix cermet inert anodes for aluminum electrolysis were prepared with Cu-Ni mixed powders as toughening metallic phase and 15NiO-85NiFe2O4 as ceramic matrix via powder metallurgy two-step sintering method. The mixed metallic contents varied from 10 to 18 (mass fraction, %) with 2% intervals....

Molecular dynamics (MD) is a method for computationally evaluating the thermodynamic and transport properties of materials by solving the classical equations of motion at the molecular level. There are many algorithms that can be used to integrate the Newton’s equation of motion in the simulation process....

b-cyclodextrin (b-CD) is a kind of cyclic oligosaccharide with a unit of D-glucopyranose. It shows good molecular recognition ability for its unique physical and chemical properties and suitable cavity structure. It also is an important supermolecule. It is easy to be derived to get a variety of functional...

Inverted siphon is a common conveyance structure in order to have a clear understanding for stress and deformation distribution of inverted siphon structure, researching mechanical characteristics of inverted siphon structure. Precast inverted siphon has advantage of quick construction speed, easy control...

Arch dam is a beautiful engineering structure, it has good mechanical properties, it is widely used in water conservancy engineering, in order to have a clear understanding for mechanical characteristics of arch dam structure. Using the finite element method for concrete arch dam of shuangchong reservoir...

Steel lined reinforced concrete penstock is commonly used as a hydraulic structures in recent years. Because of the complex structure of the penstock, so far no design specification can follow at home and abroad. In this paper, general finite element calculation software is used to conduct nonlinear...

Bridge-type inverted siphon is located at Yangdong reservoir in the Zixing county, Hunan province, its controlled basin area is 31000 mu. Inverted siphon pipe is single round pipe, inner diameter is 1.0 m, wall thickness is 0.21 m, adopts reinforced concrete structure. This paper uses universal finite...

Feisha aqueduct is located at west main canal of irrigation district in the Xinjin county, Liaoning province, the aqueduct is reinforced concrete rib arch aqueduct, arch centering is variable cross-section reinforced concrete double rib structure, arch axis is parabola, clear span is 33 m, rise-span...

The numerical simulation study for water conveyance of inverted siphon on water security is of great significance. The inverted siphon is thin-walled concrete structure, and cracks will appear according to temperature loads. Generally speaking, the temperature difference between the internal and external...

The loads on the arch dam and the materials physical properties of the dam and the bedrock are uncertain, and can be described with random variable. Due to the huge volume, the complex structure of the dam and excessive random variable, the static analysis of the dam is difficult. The dam is a higher...

Tieluqiao inverted siphon project is located on the main canal of Songshu reservoirs in Liaoning province, pipeline through north hole of changchun-dalian railway bridge, with the railway bridge orthogonal. The inverted siphon is thin-walled concrete structure, Sstructural analysis is of great significance...

One station on Jinggu river aqueduct whose level is three is located in the channels on Jinggu power station in Yunnan Province, the Aqueduct is the reinforced concrete hyperbolic arch aqueduct, for three main arch rib with double wave and uniform section, the arch axis is parabola. The aqueduct structure...

The 2-thioxo-1,3-dithiole-4,5-dithiolato (dmit) complexes exhibits very large and fast third-order NLO response and may be promising candidates for the applications in the field of nonlinear optics. An organo-metallic complex, ethyltriphenylphosphonium bis(2-thioxo-1,3-dithiole-4,5-dithiolato)aurate(III)...

In order to realize the growth of ZnO/CdS nanorod with high quality, ZnO nanorods were firstly fabricated on glass substrates,and then the synthesis of ZnO/ZnS and ZnO/CdS heterostructures were realized by a chemical conversion method.the field-emission scanning electron microscopy (SEM), X-ray diffraction...

The main problems and causes, such as crucible erosion, components volatilization, other impurities intrusion and instable scintillation properties, during the growth of cerium doped lutetium silicate single crystal with Czochralski method were discussed in this paper. According to process characteristics...

Ferroelectric thin films described by the transverse field Ising model have been studied by using the usual mean-field approximation. The critical behaviors (the critical surface transverse field and Curie temperature) and polarizations in a transverse Ising film with multi-surface layers are calculated....