Abstract The effectiveness of rehabilitation training methods after ligament injury has become an important factor restricting the future development of athletes. Therefore, the study of sports injuries and rehabilitation training methods for athletes in the new era still has important practical significance. This article mainly studies the effect of nano-ligament combined with sports rehabilitation

Abstract By establishing a mathematical model for the uneven structure of a spherical pressure vessel, based on the moment theory, a formula for calculating the stress at the joint between the neck and the body of the spherical tank is derived. The container model is established by the solid element and the shell element for simulation calculation. After verifying the credibility of the simulation

Abstract With the rapid development of global industrialization, the research and development of new thermal insulation materials has great social and economic significance for national development and social progress. Due to the porous network structure of nanotechnology, the porosity of aerogel is 80–99.8%, the thermal conductivity can be as low as 0.013 w/(m k) at room temperature. It is the best

Abstract In this work, A nanocomposite film composed of multi-walled carbon nanotube arrays (MWCNTA) filled with Prussian Blue (PB) was prepared, and it was successfully applied in the electrochemical Sensing of H2O2. The nanostructure of MWCNTA/PB was characterized by transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The electrochemical behavior was investigated by cyclic

Abstract The progress of science and technology makes the birth of nanometer material. In order to study the application of nanometer material in disaster prevention and mitigation, this paper proposes the research on the disaster information integration technology of disaster prevention and mitigation system based on nanometer material. This paper introduces the disaster information integration technology

Abstract The purpose of this study is to explore the mechanical properties of fiber nano-modified rubber concrete in high temperature. In this study, ordinary C30 concrete was used as the test benchmark, and 10% by volume of five kinds of rubber particles were used to replace fine aggregate to prepare rubber concrete (RC). On this basis, steel fibers with a volume ratio of 0%, 0.5%, 1.0%, 1.5% and

Abstract Nowadays, China's urbanized buildings are prominent, and the building area continues to grow. The study of keeping the temperature of the building walls constant has become an indispensable key standard for building energy conservation. The purpose of this paper is to simulate and study the thermal energy performance of nanomaterial modified fly ash lightweight energy-saving model in prefabricated

Abstract This paper takes nano-titanium nitride (TiN) composite phenolic foam decoration materials as the research object, aims to analyze and prepare the best performance insulation building decoration materials, and provides reference and reference for the improvement and development of building insulation decoration materials in my country. In this paper, the experimental method, comparative method

Abstract Nano-carbon materials are widely used and studied in a new generation of energy storage systems. Lithium batteries are widely used in transportation, power networks, and mobile devices. This paper mainly studies the estimation methods of SOC and SOH of lithium batteries based on nano materials. The SOC state equation and output equation of the lithium battery are established by the ampere

Abstract China has a vast land area with complex topography and landforms, of which the mountain area accounts for more than 60% of the total area. China is located between the Pacific Rim seismic zone and the Mediterranean-Himalayan earthquake zone, causing frequent earthquake disasters. Earthquake-linked secondary disasters cause far greater damage than themselves, and often cause geological disasters

Abstract Nano bentonite is a new kind of soil modification material, which can effectively improve the physical and mechanical properties of clay. The development of new soil modification technology has been a research hotspot in geological engineering, geotechnical engineering and road engineering. The purpose of this study is to test and analyze the strength and consolidation characteristics of clay

Abstract Calamine can be made into clinical medicinal powder by the traditional calcination water flying method, but its particle size distribution is wide and its specific surface area is small. The application of nanomaterials in traditional Chinese medicine materials shows that part of them can improve the efficacy of traditional Chinese medicine materials. Therefore, this paper attempts to explore

Abstract Rechargeable lithium-ion batteries (LIBs), regarded as a promising power sources, have been widely applied in both electric vehicle and large stationary power supplies. As the most appealing potential anode material, Lithium titanate (Li4Ti5O12) used in LIBs offers the advantages of having negligible volume change, stable voltage plateau, relatively high theoretical capacity, high safety,

Abstract Selenium is one of the necessary nutrients for the growth and development of animals and humans. Improving the activation of selenium in soil is an important way to increase the selenium content in agricultural products. However, nanomaterials have not been applied in the study of soil activation properties. This paper studies the application of nanomaterials in soil selenium activation, clarifies

Abstract Due to the rapid development of China and the increasing demand for various minerals, the accidents of mine operations have occurred frequently in recent years, which have caused a huge obstacle to the safety of the people’s lives and the prosperity and prosperity of the country. Not to be ignored, the response is also imminent. Based on the above background, this paper aims to study the safety

Abstract ZnO nanorods arrays, with high crystal quality has been successfully synthesized by sol-gel assisted hydrothermal method and their photoelectric property has been studied for toward a UV detection. The results show that the diameter of nanorods with high crystal quality samples becomes thinner from the bottom to the top, and the middle diameter of that is 120 nm. In addition, the photoelectric

Abstract Construction organization design applicable to China Railway 12 Bureau Group Co., Ltd. Mimeng Railway Kaiyuan beam yard (scope of supply DK54 ∼DK83 000 866) Prefabrication of 270-hole box girders (32 m 237 holes, 24 m (33 holes), Including Kai Dian 1 double-line bridge, Kai Dian 2 double-line super bridge, Kai Dian 3 double-line bridge, Kai Dian 4 double-line bridge, Kai Dian 5 double-line

Abstract In order to optimize the position of the micro-texture on the negative chamfering edge ball-end milling cutter, the experiment of milling titanium alloy with the negative chamfering micro-texture ball-end milling cutter was carried out. The effects of micro-texture at different placement positions (rake and flank faces of cutting tools) on cutting performance were compared when the cutting

Abstract In recent years, with the improvement of national material living standards, people are increasingly pursuing a high-quality life, and focusing on interior design has become a way for people to improve their quality of life. However, while personalized interior design brings comfort and beauty, it also brings serious pollution to the indoor environment. Therefore, the research on the function

Abstract The emergence of nanotechnology provides a new method for the development and application of nanomaterials in the medical field. Nanoparticles could promote the expression of vascular endothelial growth factor (VEGF), dilate the coronary artery, improve the cardiac mechanism and reduce the recurrence rate of angina pectoris. Nanoparticles have the advantages of large specific surface area

Abstract Chronic heart failure (CHF), referred to as chronic heart failure, is the end stage of most cardiovascular diseases and the leading cause of death. One-dimensional nanomaterials have related applications in medical rehabilitation due to their high specific surface area and aspect ratio. This article mainly studies the effect of one-dimensional nanomaterials on the prognosis and sports rehabilitation

Abstract At present, shale gas pressure fracturing volume development technology tends to be mature, shale gas backlog fracturing ends and enters the trial production stage. Due to the improper control of oil nozzle or its causes, the output drops sharply, or the drainage in the production process makes the funnel effect near the wellbore zone, resulting in the closure of the main fracture passage

Abstract In this study, graphite felt was treated with ammonia, and graphene was prepared from graphene oxide by the Hummers method. The as-obtained graphene oxide and graphene-modified graphite felt were then utilized as anode materials in all vanadium liquid flow batteries. The surface morphologies and electrochemical properties of the composite electrode materials were characterized by scanning

Abstract Use CaO-Al2O3-SiO2 glass-ceramics from gold tailings in Hanyin as main raw materials, which were prepared by a melting method. In this paper, the effects of nucleation temperature and crystallization temperature on microstructures and properties of the glass-ceramic specimens were investigated. The thermal property of the glass-ceramics was discussed by differential scanning calorimetry (DSC)

Abstract Aiming at the temperature control of the multi-loop engine cooling system, this paper establishes a mathematical model of the multi-loop cooling system. Taking the engine multi-loop temperature control and energy consumption optimization as research goals, a nonlinear adaptive control strategy based on Lyapunov is proposed. It achieves the engine and transmission temperature control and compensation

Abstract The key problem of paste filling technology lies in whether paste can meet the requirements of stope structural parameters on cementing strength, pipe transportation and mining methods on filling performance. The separated paste will cause serious wear and even pipe blockage in the pipeline transportation process. If the paste is separated in the stope, the strength of the filling body will

Abstract As for the postoperative treatment effect of joint reconstruction, researchers have recognized the following point of view: surgical treatment alone not only has many complications, but also the recovery of knee joint function in some patients is not ideal. The effect of ligament reconstruction depends not only on the level of operation, but also on the postoperative rehabilitation. In order

Abstract Using vanadium oxide (VOx) thin film as active layer, microbolometer with gold black absorber was fabricated due to the high mid-infrared (8-14μm) absorption property of gold black. This paper describes the design and fabrication of microbolometer with micromachining surface technology. The characteristics of the device are investigated. The detector performance exhibits maximum detectivity

Abstract The anterior cruciate ligament (ACL) is an important stable structure of the knee joint. It has the physiological function of maintaining the stability of the knee joint at rest and during exercise. When the knee anterior cruciate ligament is damaged, due to the mechanical structure and proprioception of the knee joint Damage, resulting in decreased knee stability. This article studies rehabilitation

Abstract Nanomaterials are solid systems composed of 1–100 nm particles. These systems usually include nanomaterial sensors, nanomolecules, imaging technology, drug transportation, and DNA delivery. Therefore, nanomaterials are widely used in biomedicine, biochemical analysis, mechanics, and magnetism. Based on the above background, this paper mainly studies the application of nanomaterials in the

Abstract In sports competitions, bone tissue injury seriously affects athletes’ exercise levels, and some even cause lifelong regrets. With the continuous development of modern medicine, sports medicine has also been rapidly improved, and many tissue engineering techniques have been applied in the field of sports medicine. Used for the treatment of sports injuries, but the repair of bone injuries has

Abstract In order to study the application of nano carbon water retaining fertilizer in agricultural production, and to explore the effects of its use on the bacterial community structure of agricultural soil and crop growth, a series of experimental studies were carried out in a grape field. In this paper, the coated slow-release fertilizer with soluble nitrogen particles as the core and nano carbon

Abstract The process of basketball is often accompanied by physical injury, serious fractures of limbs will also occur. At present, the most common treatment for limb fracture is surgery, which can repair the fracture site and achieve the ideal treatment effect through the postoperative sports rehabilitation training. But even so, there are still some difficult problems such as high postoperative infection

Abstract Nanocomposite materials use matrix resin and rubber as continuous phases, and modifier semiconductor nanometers and nanometals as dispersed phases. The modifier is evenly dispersed into the body material according to a certain preparation method. Compound mechanism. This article aims to study the effect of silane coupling agent on the structure and properties of polymethyl methacrylate silica

Abstract Nanotechnology refers to technology that studies the performance and usage of materials with a structure size of 0.1 to 100 nanometers. Due to the special size of this material, it determines that this material has many more special properties than ordinary materials, such as size effect, surface effect, etc., so its application market can be said to be very broad. At present, the application

Abstract With the frequent occurrence of natural disasters nowadays, traditional house construction can no longer be adapted to the current needs of people for building living conditions. Over time, traditional house construction presents deeper cracks, seriously endangering people’s safety. This study mainly discusses the modification of nanocomposite particles on the hydrophobicity of concrete. In

Abstract Concrete with manufactured sand (MSC) requires adequate compressive properties, which may be caused by stone powder. This present study investigated the effect of different stone powder content (0%, 3%, 5%, 7%, 9% and 11%) on compressive properties of MSC. The properties of fresh MSC were evaluated by three tests, compressive strength, axial compressive strength and elastic modulus. Measure

Abstract A novel chiral selector polyacrylic acid-β-cyclodextrin (PAA-β-CD) was successfully prepared, then a facile synthesis of PAA-β-CD stationary phase based on diazotized silica was developed and characterized. Monodisperse silica microspheres were synthesized by a modified Stöber method. The obtained silica particles were functionalized by self-assembly positive charged photosensitive diazoresin

Abstract This paper mainly studies the influence of clinker mineral composition on the performance (flow variability and expansion performance, hole structure, etc.) of silicate cement. The experimental results show that the shear stress of silicate cement slurry body consisting of different minerals is different with the rheography curve of shear rate, and the linear relationship between the two belongs

(2021). Guest Editorial. Ferroelectrics: Vol. 578, No. 1, pp. v-v.

Abstract Improving the power output and other power generation performance is the technical bottleneck restricting the industrial application of microbial fuel cell (MFC). Modification of the anode using nanomaterials can significantly increase the power output of MFC. The negatively charged characteristics of Rhodopseudomonas palustris was utilized to propose electroplating of graphene on the surface

Abstract In this paper, 3D dual impeller stirring tank was used as a model to simulation combine with experiments to explore the acid leaching kinetics of high-calcium and -silicon manganese ores. The effects of stirring speed, temperature, and aeration rate on the spatial distribution of gas and liquid phases were investigated, and the influence of the gas phase on the flow state was further explored

Abstract A MoS2 nanosheets drug delivery system with photothermal conversion ability was synthesized. The drug loading content of the synthesized was as high as 24.5%. The drug HCPT was modified by lipoic acid (LA) and connected onto MoS2 nanosheets through S-Mo bond, which is more stable than physical adsorption. Due to the ester bond between HCPT and MoS2 nanosheets, the drug delivery system could

Abstract The structural, electronic, mechanical, and lattice dynamical properties of binary Ti-Au intermetallic were systematically investigated by means of first-principles calculations method. By assessing the formation enthalpies and cohesive energies, all the Ti-Au intermetallic are thermodynamically stable and Ti3Au possesses the greatest stability among all the intermetallic. Afterwards, the

Abstract Three-dimensional modeling of the growth characteristics of living wood is a difficult problem. In tree growth characteristics of nondestructive testing of data, how to process the image of tree growth defect and how to reconstruct the three-dimensional model of tree growth is the key technology, so the use of radar signal detection feedback internal growth of the trunk, using 3D raster scan

Abstract The article provides the basic theory for adjusting and optimizing grinding of cassiterite-polymetallic sulfide ore, using ore from Guangxi China as the research object. The Julius Kruttschnitt drop weight test was adopted to establish the breakage distribution matrix for the ore with piecewise spline interpolation using MATLAB. Breakage and abrasion parameters were obtained from abrasion

Abstract With the rapid development of various industries, the machinery manufacturing industry has been constantly carrying out reform and innovation, among which the introduction and use of technology is constantly increasing, so as to promote the development level of the machinery manufacturing industry. As the most cutting-edge and most potential technology, 3 D printing technology is an important

Abstract With the rapid development of industry and transportation in China, the incidence rate of open fracture caused by high energy injuries such as traffic accidents and falling height is increasing year by year. Based on the above background, the purpose of this paper is to study the application of ZnO nano materials with different dimensions in the rehabilitation of patients with limb fracture

Abstract Natural organic nanoparticle cellulose nanocrystals (CNCs) with good biocompatibility and unique physical and chemical properties have been proved to be promising materials for drug delivery systems. In this study, a CNC with rich. It has the property of modifying dendrimers. The polymer has good biocompatibility and stability. TEM shows that CNC has a good particle size, about 154–200 nm

Abstract The structure and the cavity surface hardened steel mold of automobile cover is very complex. In the stamping process, the local structure bears higher extrusion stress than the type surface, which often causes local wear and even cracking. The process of multi-hardness splicing joint is applied to ensure the service life of the die according to the features of each part of the mold. The impact

Abstract To optimize the high-speed milling parameters of titanium alloy TC17, the influence of cutting parameters on cutting force and surface roughness was analyzed according to TC17 high-speed milling experiments. Moreover, the prediction model of the cutting force and the surface roughness was established by the regression method, and the multi-objective optimization using genetic algorithm obtains

Abstract Direct shear test is one of the important test methods to obtain shear strength index. With the increase of shear displacement, the area of shear plane decreases gradually. According to the normal stress and shear stress, the shear strength line was obtained and the index of shear strength was calculated. However, the phenomenon of shear area decreasing was neglected in the calculation, and

Abstract Ga- doped ZnO films and Ga-Al co - doped ZnO films were prepared on glass and Si substrates by sol - gel spin coating. The crystal structure of the sample film was characterized by X-ray diffractometer (XRD), the surface morphology of the film was measured by scanning electron microscope (SEM), the optical properties were investigated by UV-vis spectrophotometer, and the luminescence properties

Abstract In this paper, the adsorption capacity of CNT modified polyacrylonitrile (PAN) film on copper ions under different conditions was studied by the adsorption experiment of the prepared multilayer diazo resin acidified carbon nanotubes/PAN composite film. The concentration of copper ion solution before and after adsorption was measured by inductively coupled plasma (ICP). The results show that

Abstract Modern biotechnology and nanotechnology are conducive to the selection and training of athletes, promote the development of Sports Biological Science, and effectively improve athletes’ sports ability. In this paper, the main study of modern biology and nanotechnology on the impact of competitive sports. In this paper, eight boys were randomly divided into two groups, one group wore the swimsuit

Abstract Traditional concrete can no longer meet people's needs for construction quality in terms of quality. This study mainly discusses the effect of nanomaterials on the strength of ultra-high performance concrete. In response to people's concerns, this study improves the performance of concrete filled with nanomaterials from two indicators: the bending strength of concrete after being doped with

Abstract For many decades, switching of ferroelectric polarization has been considered as a process of nucleation and growth of domains. Due to this mechanism, the switching time is limited from below to nanoseconds. Problems with interfaces and electric circuits even increase this time. In this article, we give brief review of new approach that can breakthrough decrease switching times by using freely

Abstract Barium titanate prepared by two step sintering method is preferred for its small grain size approximately 1 µm and high piezoelectric constant 470. In this paper, finite element analysis (FEA) is performed to quantitatively determine the influence of external applied stress on the generated surface potential and polarization effect for both poled and unpoled BaTiO3. The modeling simulation

Abstract During the past decade, the researchers have explored some of the valuable energy sources that are wasted if these are not being utilized like heat and vibration. These energy sources can be converted into micro electric power which is required in numerous electronic applications like wireless sensors, actuators etc. Many of researchers have been working on extracting the energy from ambient

Abstract In this study, different phases of iron oxide have been synthesized by sol–gel auto combustion route followed by annealing. Temperature and frequency-dependent dielectric properties have been studied in detail which provide the information on the contribution of grain and grain boundary in charge transport. Conductivity and electric modulus spectra have also been analyzed. The scaled coordination