87 results about "Thermal motion" patented technology

The invention relates to a fluid thermal motion simulation system based on the SPH algorithm and belongs to the field of thermodynamics simulation and visual flowing. The method comprises the steps of conducting modeling on fluid according to calculation examples and calculation requirements, solving a fluid control equation and a modified equation based on the SPH algorithm to achieve analogue simulation of fluid Lagrange thermal motion, and finally showing the thermal motion process of fluid visually in the form of graphs and animations by means of the visual processing technology. Compared with an existing meshing CFD simulation system, the fluid thermal motion simulation system has the advantage that a more reasonable simulation result can be obtained when the system is used for simulating certain advanced non-linear problems such as the jet flow problem, the ocean motion problem, the dam break problem and the dynamic boundary problem. Compared with an existing mesh-free CFD simulation system, the fluid thermal motion simulation system has the advantages that calculation stability and calculation accuracy are improved, and the gap of fluid thermal motion simulation and turbulent flow simulation is filled.

The invention discloses a fusion reactor plasma density and temperature diagnosing method based on the Thomson scattering weak coherent technique. The method comprises the steps that a broadband low-coherency intense light source is set, a bandwidth modulator is set, a beam splitting system is set, a reference arm is used for generating an optical path difference and a frequency shift signal, the light returned from the reference arm and a detection arm interferes and passes through an optical grating to be divided into interference spectrum signals with different wavelengths to be received by an array CCD, the incident light direction, namely the axial scattering intensity distribution is obtained through the Fourier transform, and the plasma electron density axial distribution information is obtained through rayleigh scattering or raman scattering absolute calibration; the thermal motion rate information of electrons is obtained through the Doppler broadening of a spectral line, and then the plasma electron temperature distribution is obtained; the horizontal movement adjustment is carried out on the length of the reference arm to change the optical path difference changing so as to achieve measurement on the great depth plasma with the depth larger than 1 m. The electron temperature and density of the fusion reactor plasma are measured online through the Thomson back scattering optical coherent chromatographic technique.

The present system and methods allow for low level detection of as little as single pathogen particles, such as viral or bacterial particles, during the early stage of infection. An optical trapping system, such as laser tweezers, are used to trap a substrate to which an analyte has been bound to detect and record the thermal motion of an antibody-antigen interaction that may occur between an anti-viral antibody-coated microsphere and a viral particle for example. The system may be equipped with a detection system such as a position sensitive photodetector (PSD) to record the thermal motion of a trapped microsphere and particle at a certain frequency. The thermal motion data may be Fourier transformed into a power spectrum, which may be transformed into an output value using a Lorentzian equation. The power spectrum of the trapped microsphere may be recorded before and after binding of the pathogenic particle to determine the presence thereof.

An external cavity diode laser system includes a thin film filter. The output facet of the laser diode is coated with a partial reflection coating and the cavity side facet is coated with an anti-reflection coating. A roof-top prism or corner cube retroreflector serves as the laser cavity end reflector and provides stability of the wavelength of the output over time. The laser cavity lies between the partial reflective coated facet of the laser diode and retroreflector. A collimating lens and a thin film filter are located between the end reflector and the laser diode cavity side facet. The lasing wavelength can be adjusted during either manufacture or operation by tilting the filter. Also included is thermal compensation in the mounting for the retroreflector to compensate for thermal movement of the laser system cavity.

The invention provides a method for manufacturing shallow trench isolation. After being etched to form a shallow trench, a substrate is subject to an annealing process under a certain condition of hydrogen atmosphere, so that element atoms of the substrate are promoted to make thermal motion migration under a high temperature, side walls of the rough shallow trench and square corners of the shallow trench become smooth, the leakage current of a semiconductor device employing the shallow trench isolation is reduced, and the performances of the semiconductor device and an integrated circuit are improved.

The invention provides a processing technology of a lotus seed juice, aiming to solve the problem that layering and precipitation are prone to occur in lotus seed drinks. In the invention, fresh lotus seeds or quick freezing lotus seeds are washed or unfreezed and then ground into thick liquid and filtered to obtain undiluted lotus seed juice; then carrying out gelatinization in combination with ultrasonic treatment; blending, homogenizing, canning, sterilizing and cooling according to ordinary drink processing technology to obtain lotus seed juice product. In the invention, gelatinization is adopted in combination with ultrasonic technology for processing lotus seed undiluted juice, under the collective action of thermal motion and ultrasonic waves, in the lotus seed juice, starch granules degradation and starch molecule dissolving out are accelerated and dissolved out long chain starch molecules are degraded to a certain degree to form micromolecules, thus effectively preventing lotus seed starch macromolecules from aging in the process storing lotus seed juice drink and preventing layering and precipitation of the louts seed juice drink, lengthening product shelf life; in addition, in the processing technology, no high requirements are imposed on equipment, operability is good, and aging of high starchiness drinks such as the lotus seed juice can be effectively solved, therefore the processing technology is suitable for industrialized mass production of the lotus seed juice.

The invention discloses a lumbocrural pain massager. The lumbocrural pain massager is formed by a massager casing, a static friction head, a speed control switch, medical cloth and a fixing sleeve for the lumbocrural pain treatment. The lumbocrural pain massager is characterized in that the diameter of a cylindrical portion of the static friction head is larger than the rotating radius and a triangular ribbed projection is static on the head end portion of the static friction head in a semi-circular shape. The lumbocrural pain massager can be used for compressing and sucking the massage position to perform the static friction massage so as to drive subcutaneous tissue to move to generate the internal friction and convert the done work into the internal energy of the thermal motion of the subcutaneous tissue. When the lumbocrural treatment and massage is performed currently, the large finger force stimulation is required by the manual massage to penetrate the inside of a body, the treatment position is small, the curative effect is limited, and the labor intensity is low. According to the lumbocrural pain massager, the multipoint contact static friction massage is adopted and accordingly the massage intensity can be significantly improved, the manual labor intensity can be reduced, the lumbocrural pain massage is achieved, and the significant curative effect is generated.

The invention belongs to the technical field of preparation of a film material, and discloses a solution film formation method and device of an organic material. The method comprises the following stages of dissolving the organic material in a mixed solvent containing a high-boiling point solvent and a low-boiling point solvent, and depositing the organic material on a substrate by a film formation technology to obtain a liquid film; and carrying out normal-pressure evaporation on the substrate containing the liquid film under conditions of rotation, variable frequency vibration and programmable temperature rise to remove the low-boiling point solvent, stopping rotating and vibrating, evaporating the high-boiling solvent under conditions of vacuum and programmable temperature rise to obtain an organic material film. The substrate is shaken in a reciprocating way through rotation and variable frequency vibration, so that the solution keeps flowing, the difference between the edge and the middle of the solution is reduced, and the difference of the surface and the interior of the solution is reduced; and meanwhile, the thermal motion of solvent molecules is accelerated by programmable temperature rise, and the film formation quality of the solvent during the drying process is improved.

A tube heat exchanger intended to be used for the production of carbon black, includes a cylindrical closed chamber having a plurality of tubes which extend through the entire, essentially cylindrically shaped chamber. Upper end of the tubes are attached to an upper end wall, preferably by welding, and hang down to a tube plate. The tube plate equipped with compensating devices to enable thermally induced expansions and contractions of the tubes to occur.

A general, closed, anisotropic kinetic turbulence theory for gases and liquids is based on new solutions of the Maxwell moment equations of the Boltzmann equations. These solutions provide a closed initial equation set for the four time average fluid mechanic variables, the sixteen time average thermal motion correlation and the sixteen time average turbulent motion correlations listed in Table I.

The invention relates to an ion-mobility-spectrometry membrane sample-entering device. The membrane sample-entering device comprises a membrane device, a sample gathering cavity and two two-position three-way valves. The membrane device is provided with a heating device. A membrane cavity is divided by a membrane into an outer membrane cavity body and an inner membrane cavity body. The outer membrane cavity body is communicated with a sampling pump. The inner membrane cavity body and the sample gathering cavity generate negative pressure under the effect of an air sucking pump. During sample entering, a sample rapidly permeates through the membrane under the three effects of the concentration diffusion effect, the thermal motion diffusion effect and the pressure diffusion effect, so that the membrane permeating speed, the membrane permeating rate and the residual removing rate of the sample are greatly increased. The sample gathering cavity can be further used for gathering a trace quantity of samples. The membrane sample-entering device is mainly used for gas sample entering and can also be used for liquid sample entering. The two modes of discontinuous sample entering and continuous sample entering can be achieved.

In a method for determining charge and/or size of an object (15) suspended in a fluid, the object (15) is introduced, together with the fluid, into an electrostatic trap (1) defining an electrostatic confining potential. The thermal motion of the object (15) in the fluid is observed under influence of the confining potential, and charge and/or size are determined from the observed thermal motion. In particular, the viscous drag on the object yields a measure of its size, while the stiffness of its confinement can be compared with a potential model to reveal the total charge it carries. Also disclosed are an apparatus and software for carrying out the method.

The invention discloses an azobenzol liquid crystal holography storage material and a preparation method thereof. The material comprises silicon dioxide, a compound containing azobenzol radical and a compound containing liquid crystal radical, wherein mol ratio of the azobenzol radical to the liquid crystal radical is 0.5-10:1. The substrate material used in the azobenzol liquid crystal holography storage material has a silicon dioxide structure with excellent high-transparency and low scattered power, has lower refractive index, and can obtain high modulation index of the refractive index when the substrate material is matched with a photorefractive compound with higher refractive index. Existence of the liquid crystal radical can reinforce the photorefractive effect generated by the azobenzol radical in light, and improve diffraction efficiency, thereby improving information storage capacity; and regular arrangement of the liquid crystal radical cannot be affected by thermal motion and non signal light, so that data storage time can be greatly prolonged. Cis-trans isomers of the azobenzol radical can be converted with each other under radiation of signal light and induce the arrangement of the liquid crystal radical, and data can be repeatedly erased and written.

The invention discloses a power generating method adopting an ionic thermal motion principle. The power generating method comprises the following steps of: firstly, transferring graphene to a substrate and bonding a graphene film on the substrate; secondly, depositing a conducting material with a work function higher than that of the graphene at one end of the graphene film to obtain a first electrode and depositing a conducting material with a work function lower than that of the graphene at the other end of the graphene film to obtain a second electrode; thirdly, leading out the first electrode and the second electrode at two ends of the graphene film by using two metal wires; and fourthly, holding an ionic salt solution in a container casing, integrally immersing the substrate, the graphene film, the first electrode, the second electrode and the two metal wires in the ionic salt solution and leading the metal wires to the outside of the container casing. The invention also provides a graphene battery manufactured by using the power generating method. The power generating method adopting the ionic thermal motion principle and the graphene battery manufactured by the power generation method have the advantages of safety, reliability, no need of using power for charging, long service life of the graphene battery and no harm to a human body and environment.

The invention discloses a method for increasing super cooling degree of water and an application thereof and a device adopting the method. An alternating magnetic field is used for exerting effect on super cooled water, which leads to the vibration of hydrones, thereby preventing the super cooled water from icing up at certain temperature. The method comprises the following steps: a magetostatic field and the alternating magnetic field are superimposed to generate a single-way magnetic field; wherein the magetostatic field is between 1 GS and 20,000 GS, and the alternating magnetic field changes alternatively by taking the value of the magetostatic field as a reference, and the change amplitude ranges from 5 percent to 15 percent of the value of the magetostatic field; the alternating magnetic field exerts effect on the hydrones and leads to the regular magnetic moment arrangement in the hydrones due to electron spinning so as to be beneficial to the motion of electrons in the hydrones, improve thermal conduction performance and lead to fast thermal conduction in the water; a magnetic field is applied during the cooling of water, which can enhance the thermal motion of the hydrones; and after being in a super cooled state, the hydrones are further cooled to increase the super cooling degree of the water.

The invention relates to a method for synthesizing a compound by solid phase reaction, which comprises the following steps that: 1, solid reactants are mixed and are accelerated to reach supersonic speed by high-speed carrier airflow, so that the solid reactants have high kinetic energy; 2, a microwave field is arranged in the motion process of the solid reactants, so that the solid reactants pass through the microwave field to enhance the molecular thermal motion of the reactants and improve activity; and 3, the solid reactants are synthesized, namely A, the solid reactants which moves at a high speed impact a fixed target circularly, and are crushed gradually to form solid reactants with molecular grain diameters; and B, the solid reactants with the molecular grain diameters impact a target head at the high speed, so that the kinetic energy is converted into internal energy, molecular chemical bonds are broken to be decomposed into ions, and negative ions and positive ions recombineto form bonds to synthesize the target compound. By the method, the high-temperature limit of the conventional solid phase reaction is broken through, so that the solid phase reaction can be performed at normal temperature. Therefore, a new technical route is provided for the synthesis of the compound, the application range is wide, the reaction speed and yield are high, cost is low, and obvious economic and environment-friendly effects are achieved.

The invention discloses a spacecraft sealed cabin gas sampling and analyzing system for a vacuum thermal test. The system comprises a space environment simulator, a sampling and analyzing system and agas sampling pipeline, a sealed cabin is arranged in the space environment simulator, the sampling and analyzing system comprises a sampling bin, a gas analyzing device, a gas detection device, a pump set and a valve group, and the sealed cabin is in communicated connection with the sampling bin through the gas sampling pipeline. The system is simple in structure, high in stability, capable of monitoring gas composition in the sealed cabin, few in monitoring error, high in accuracy, capable of avoiding subsequent risk of the sealed cabin and simple in monitoring process operation; when pressure of the sealed cabin is lower than 50Pa, vacuumizing pressure difference sampling is not needed, so that energy damage is lowered, diffusion to the sampling bin through thermal motion can be realized, and the gas composition in the sealed cabin can be directly analyzed through a spectral mass spectrometer.

The invention provides a flame-retardant high-polymer composite material. The material is characterized by being prepared from an environment-friendly brominated flame retardant, graphene nano-platelets and an auxiliary dispersant, wherein the high-polymer material is polystyrene. The graphene nano-platelets are creatively added into the flame-retardant material and the adding mount is accurately limited; the graphene nano-platelets belong to condensed-phase flame retarding and a network structure is mainly formed in a combustion process, so that the material represents a solid-like behavior in a combustion process; the network structure can effectively inhibit thermal motion of a polymer molecular chain and the exchange of gas and heat is stopped. In view of the flame-retardant effect, only a few of graphene nano-platelets are added and the heat releasing speed and the smoke density of a polymer can be remarkably reduced; unpredicted technical effects are realized.

The disclosed solar energy water heater is mainly composed of following parts: bilayered 'interbedded vacuum' strip shaped evaporation pan of receiving light; laid heat retaining water storage tank; jointed pipes of guiding water between the said evaporation pan and the water storage tank; digital system for controlling swivel angle of main body. Operating principle of the heater is that after water in the evaporation pan is irradiated by sunlight continuously, continual calefactive steady heat-balanced motion - reciprocating circular convection type thermal motion occurs between water in evaporation pan and water in the water storage tank.

The invention provides a thermally-stable emulsion of an antigen as well as a preparation method and an application of the thermally-stable emulsion. The thermally-stable emulsion of the antigen comprises a water phase, an oil phase and inorganic particles combined with the antigen; the oil phase is wrapped by the water phase; the inorganic particles combined with the antigen are dispersed on an interface of the water phase and the oil phase; and the antigen and the inorganic particles are combined in an electrostatic adsorption way. By using the emulsion provided by the invention, the thermalstability of the antigen of an organism can be remarkably improved; structural water molecules in a mineral phase are tightly connected to the peripheries of mineralized proteins, so that the hydrogen bond exchange rate of protein molecules and water molecules in an external environment is reduced, the destruction of a thermal motion process to the structures of the proteins is reduced, the stability of a vaccine in a high-temperature environment is improved, the valid period of vaccine storage is prolonged, and the vaccine can be stored at 25 DEG C for three weeks or longer; in addition, theemulsion can also be applied as a vaccine adjuvant, a drug delivery carrier or a controlled-release carrier, a surfactant is prevented from being used, and the poisonousness to human bodies and environment pollution can be reduced.

The invention provides a dispergation device, which is used for being placed in dispergation solvent to remove the bonding glue between multiple optical lens groups. The dispergation device comprisesa rotary device and a load bearing device, wherein the load bearing device is fixed on the rotary device and is used for bearing the optical lens groups to ensure that the rotary device can drive theoptical lens groups to rotate. The dispergation device in the invention utilizes the rotary device to drive the load bearing device which accommodates the optical lens groups to rotate in the dispergation solvent. The thermal motion of the dispergation solvent is enlarged due to the motion of the rotary device, thus greatly improving the dispergation speed; and the rotary device is always in a rotary state in the dispergation process, thus being capable of preventing the residue stain of the glue body from sedimentating on the optical lens groups; in addition, the dispergation device has simple structure and low assembly cost and does not need to utilize parts with high cost.

The present invention relates to a method for microwave steam explosion and anti-absorption reduction in low-permeability water-bearing coal reservoirs. The method utilizes ground microwave generators to generate high-power microwaves, transmits them to downhole power dividers through waveguides, and then arranges them in coal reservoirs. The inner port emits microwaves to the coal seam, and the water in the water-bearing pores/cracks of the reservoir will evaporate instantly after being irradiated by high-power microwaves to form a steam explosion. Under the huge pressure of water vapor from the inside to the outside, the pores and fissures of the coal rock expand and penetrate, making the coal seam The gas migration channel is smoother to achieve the purpose of increasing permeability; at the same time, the coal reservoir will heat up rapidly after absorbing microwave energy, which will promote the thermal movement of coalbed gas molecules to get rid of the adsorption and turn into a free state, so as to reduce the adsorption and increase the gas production. . The method has the advantages of simple system, obvious anti-reflection effect and high heating efficiency, and can improve the extraction efficiency of coalbed methane.

An organic thermoelectric conversion material containing: a basic skeleton that comprises a polycyclic aromatic ring having carrier transport properties; and a conductive compound that bonds to the basic skeleton and includes an alkyl group which causes the intermolecular distance and molecular packing structure of the basic skeleton to change due to thermal motion.