58 results about "Atomic state" patented technology

A system and method for providing a secure boot architecture, in accordance with one embodiment of the present invention, includes a processor having an atomic state machine and a physically protected storage area. The atomic state machine stores a state of the processor in a state save map upon a boot-mode event. The atomic state machine also authenticates an object of a Pre-BIOS Boot Vector Region (PBBVR) in response to the boot-mode event. The PBBVR may be stored in the physically protected storage area. The atomic state machine loads the PBBVR from the physically protected storage area into an overlay memory if the PBBVR is successfully authenticated. The processor executes the PBBVR from the overlay memory if the PBBVR is successfully authenticated. The atomic state machine may also receive a candidate PBBVR upgrade image, authenticate the candidate PBBVR upgrade image, and replace the current PBBVR with a new PBBVR contained in the candidate PBBVR upgrade image if the new PBBVR in the candidate PBBVR upgrade image is authenticated.

The invention discloses a microwave electric field intensity meter based on a cold Rydberg atom interferometer and a measuring method thereof. The microwave electric field intensity meter comprises: a vacuum system, which is used for cooling and trapping atom to generate a cold atom cloud for preparing a Rydberg state and generating an interference effect so as to generate a phase difference by coherent atomic states; a laser, which is used for generating coupling light and detection light and exciting the cold atom in the vacuum system from a ground state to the Rydberg state coherently; a photoelectric detector, which is used for detecting an interference fringe generated by two beams of cold atom clouds due to coherence; and a microwave source, which is used for generating a microwave electric field. According to the invention, when the microwave electric field intensity meter is applied to the evolution process of coherent beam splitting and combination, the atom cloud in the Rydberg state interacts with a to-be-measured microwave electric field, thereby generating an alternating-current stark effect; and the to-be-measured microwave electric field intensity is associated with a phase generated by the an alternating-current stark, thereby realizing precise measurement of the microwave electric field.

The invention discloses an aluminum-containing diamond-like carbon film and a method for preparing the same. The film adopts a diamond-like structure and comprises 3 to 20 percent of metal aluminum and the balance of carbon; the metal aluminum is dispersed in the amorphous diamond-like carbon film in an atomic state and is not bonded with the carbon, and the thickness of the film is between 500 and 5,000 nanometers. The aluminum containing diamond-like carbon film has the advantages of lower internal stress, higher hardness, good film-substrate bonding force and good abrasion proof property.

The invention discloses a method for recovering gold from iodine-potassium iodide leachate. Concentrated sulfuric acid (H2SO4) and hydrogen peroxide are added into the leachate containing iodine, potassium iodide and gold iodide, the two reagents are reacted with iodine ions in the leachate to generate iodine, the iodine is volatilized out of a container at high temperature, and after the iodine is volatilized, the leachate is transparent; and the leachate is continuously heated, the two reagents also can convert gold in an ion state into gold in an atomic state to fulfill the aim of reducing the gold, and excessive reagents are decomposed at high temperature. The invention aims to control the types and weight of the added chemicals, simplify the operating process and improve the purity of the recovered gold; and by the method, the utilization rate of the gold can be greatly improved.

A fabrication process of a flash memory device includes microwave excitation of high-density plasma in a mixed gas of Kr and an oxidizing gas or a nitriding gas. The resultant atomic state oxygen O* or hydrogen nitride radicals NH* are used for nitridation or oxidation of a polysilicon electrode surface. It is also disclosed the method of forming an oxide film and a nitride film on a polysilicon film according to such a plasma processing.

A catalyst for purification of automobile exhaust gas comprising: a support and rhodium supported on the support in an atomic state, wherein an amount of the rhodium supported is 0.05 to 0.30% by mass relative to the total amount of the support and the rhodium, 50 at. % or more of the rhodium is supported on the support as two-atom clusters of rhodium, and an average distance between adjacent ones of the two-atom clusters is 1.0 nm or more.

The invention discloses a laser-assisted thin film preparation method and corresponding equipment, and belongs to the field of thin film material preparation. The laser-assisted thin film preparation method comprises the following steps: feeding a gaseous precursor containing elements required for preparing a thin film into a plasma generating device, activating the gaseous precursor by using the plasma generating device, and then enabling the activated gaseous precursor to enter a reaction cavity; using a lens on the wall of the reaction cavity for converging laser beams emitted by a laser generating device, and then enabling the laser beams to enter the reaction cavity; heating the active gaseous precursor in the reaction cavity by using laser so as to split the active gaseous precursor, thus obtaining atomic state deposition elements, depositing the atomic state deposition elements on a substrate above the cavity, and growing so as to form the film on the substrate. The laser-assisted thin film preparation method has the advantages that the production cost of the thin film is greatly reduced, the equipment is simple, the process stability is good, the prepared thin film has high purity, good stability and high quality reliability and is uniform in morphology and particle sizes, and meanwhile, the relatively high thin film deposition rate can be realized.

Techniques for reconfiguring spectral features stored in a medium based on a two-state atomic system with transition dipole moment μ includes causing a chirp to pass into the medium. The chirp includes a monochromatic frequency that varies in time by a chirp rate κ over a frequency band B_R during a time interval T_R. The amplitude A_R of the chirp is constant over B_R and equal to

A_R=(hbar/μπ)√{square root over ((κ ln [2/ε]))},

The term hbar is reduced Plank's constant, ln is a natural logarithm function, and π is a ratio of a circumference of a circle to a diameter of the circle. For ε<<1, the atomic-state populations in the two states are inverted. For ε=1, prior atomic-state populations are erased, with final populations equal in the two states, regardless of populations before erasure.

The invention provides a Rydberg atomic pull ratio oscillation device and method. The method comprises the following steps: S1, respectively opening detection light and coupling light to excite atomsfrom a ground state to a Rydberg atomic state through the Rydberg atomic pull ratio oscillation device; S2, adiabatically turning off the coupling light and waiting for a time interval; and S3, opening the coupling light, enabling the atoms to jump to an excited state, and enabling the excited state to jump to a ground state and emit a photon under the influence of the storage time in the step S2.The Rydberg atom single-photon preparation and high-fidelity multi-photon detection prepared by the invention have the effects superior to those of common atoms, and have broad application prospectsin the field of quantum communication.

The invention relates to an MD and KMC coupling method for parallel simulation of reactor key materials. The method comprises the steps of performing molecular dynamics cascade collision simulation through an MD module; after calling of the MD module is completed, performing defect statistics and analysis on the atomic state after simulation of the MD module is completed; transmitting the initialdefect information of the cascade collision to a KMC module for KMC simulation; and finally, after the simulation of the KMC module is finished, outputting a defect evolution structure for a long timeor transmitting defect information to a rate theory (RT) module to carry out defect evolution analysis for a longer time. According to the method, the coupling simulation efficiency is improved through a tight coupling mode, and program interaction is facilitated through the design of a calling interface, a unified atom and lattice point representation method and a task division mode.

The invention relates to the technical field of atomic clocks, and discloses a fountain type cold atomic clock. On one hand, an atomic energy state selection mechanism is changed into an optical pumping state selection mechanism, an atomic state selection structure and a fluorescence detection structure can be combined into one, and then a state selection microwave cavity structure commonly used for the fountain type cold atomic clock can be removed, so that the overall height of a physical system structure is greatly reduced, the size and the weight of the atomic clock are effectively reduced, and movement, popularization and use are facilitated; and on the other hand, due to the fact that the atomic utilization rate is greatly improved through the optical pumping state selection, the number of atoms used for microwave inquiry is multiplied, the signal-to-noise ratio of a spectral line is increased, then the index influence caused by the fact that the line width of the spectral line is increased due to height reduction is counteracted, the index potential of the accuracy and the stability is equivalent to that of a current fountain type cold atomic clock, and the performance of the atomic clock cannot be affected due to height reduction.

The invention provides an energy-saving type soft alloy atomic state oil film lubricating oil additive, which is prepared from soft alloy, neodymium iron boron and a base lubricant, wherein the soft alloy includes Cu, Ni and Ti nanoscale spheroidal particles; particles with the particle diameter being 40 to 50nm account for 30 to 60 weight percent; particles with the particle diameter being 20 to40nm account for 20 to 50 percent; particles with the particle diameter being 50 to 100nm account for 10 to 20 percent. Through the reasonable raw material proportioning and process preparation, the prepared lubricating oil additive has an excellent lubrication assisting effect; meanwhile, good self-repair and maintenance effects are achieved; the friction loss is greatly reduced; the effective work time is prolonged for three times or higher; the industrial cost is obviously reduced; the economic benefit is improved.

An integrating sphere magnetism-insensitive imprisoning system mainly comprises a vacuum cavity, a magnetic field system and an optical path system. The integrating sphere magnetism-insensitive imprisoning system is used for manufacturing high-density and long-coherence-time cold atom sources. According to the integrating sphere magnetism-insensitive imprisoning system, an Ioffe-Pritchard micro magnetic trap is formed through an aligning Helmholtz coil and a single wire, and the magnetism-insensitive atomic state is searched for through a gradient field generated by the micro magnetic trap. The integrating sphere magnetism-insensitive imprisoning system has the advantages of being simple, small in size, low in power consumption, convenient to operate and favorable for forming coherent control researches on the atomic state in an integrating sphere, and a new technology is provided for finally developing small high-accuracy satellite-borne atomic clocks.

The invention belongs to the technical field of nano silver antibacterial glue preparation, and discloses nano silver antibacterial glue as well as a preparation method thereof and an intelligent detection system. The intelligent detection system of the nano silver antibacterial glue and the preparation method thereof comprises a weighing module, a time module, a pH detection module, a temperaturedetection module, a main control module, a dissolution module, a mixing and stirring module, a heating module, a detection data storage module and a detection display module. The nano silver antibacterial glue provided by the invention has a better antibacterial effect and is lower in toxicity to human cells; silver in the antibacterial glue provided by the invention is in an atomic state and ata nanometer size, therefore, the loss of silver can be avoided, the oxidation can be delayed, and the antibacterial glue can keep the antibacterial activity for a long time; the invention provides thepreparation of nano silver powder by adopting water as a reaction solvent and an alcohol as a reducing agent, the reaction system is green and environmentally-friendly, high-quality nano silver powder is obtained, and the quality of the nano silver antibacterial glue is improved.

The invention discloses a preparation method of an atomic state Ag-modified ZnO polycrystal nanobelt assembly structure with high hydrogen producing performance. The preparation method comprises the steps of weighing a certain amount of zinc acetate dihydrate, and dissolving the weighed zinc acetate dihydrate into deionized water to obtain a clear solution A; weighing a certain amount of hexamethylene tetramine and urea, and dissolving the weighed hexamethylene tetramine and urea into the deionized water to obtain a clear solution B; adding the solution B into the solution A, adding a certain volume of silver nitrate solution into the mixed solution, and evenly mixing to obtain a reaction system; transferring the mixed liquid into a reactor, and carrying out a reaction for 3-24h at the temperature of 60-100 DEG C; then, centrifuging, washing and drying; putting a dried solid into a tube furnace, and roasting to obtain a finished product. The preparation method provided by the invention is simple in operation and low in preparation cost, and can realize large-scale production; the obtained atomic state Ag-modified ZnO polycrystal nanobelt assembly structure is regular in morphology and adjustable in size; the atomic state Ag-modified ZnO polycrystal nanobelt assembly structure is used for simulating sunlight to carrying out photolysis on water so as to produce hydrogen, and the hydrogen production efficiency of the atomic state Ag-modified ZnO polycrystal nanobelt assembly structure is obviously higher than that of a pure ZnO nanostructure.

Provided are a Si/C composite, in which carbon (C) is dispersed in an atomic state in a silicon (Si) particle, and a method of preparing the Si/C composite. Since the Si/C composite of the present invention is used as an anode active material, electrical conductivity may be further improved and volume expansion may be minimized. Thus, life characteristics of a lithium secondary battery may be improved.

A microwave resonant cavity for laser cooling, microwave interrogation, and atomic state detection, comprising a microwave resonant cavity body, two cutoff waveguide end covers, and four waveguides for laser beams and microwave coupling. The cavity feeds not only microwave but also laser beams into the center of the cavity. In a vacuum chamber with target atoms, the target atoms may be trapped and cooled in the center of the cavity. By sequential operation of the resonant microwave and lasers, the microwave resonant cavity of the present invention may manipulate and detect the atomic state population and interrogate the energy level of the cold atoms in situ. The invention may be applied to the fields of atomic frequency standard, interferometer and atomic gyro for developing the miniaturized cold atoms related precision measurement equipment.

The invention belongs to the metal material field and relates to a method for preparing an alumium-phosphorus alloy, wherein the method is used for refining primary silicon in an alumium-silicon series alloy. The method comprises the following steps of: taking commercial-purity aluminum and a ferrophosphorus alloy as raw materials; firstly, melting the commercial-purity aluminum within the range of 850-1150 DEG C, adding the ferrophosphorus alloy to the melt and stirring till complete reaction, so that iron phosphide in the ferrophosphorus alloy reacts with alumium to form high-melting point AlP particles, wherein iron is dissolved in the alumium melt in atomic state; secondly, introducing the reacted melt to a heat preserving furnace 1 of a filter device, and after standing and filtering of the melt, performing casting molding of the melt at the upper part of a filter plate 4 to obtain the alumium-phosphorus alloy, and taking the melt at the lower part as alumium-iron alloy by-product. The prepared alumium-phosphorus alloy has an excellent refining effect. The process method provided by the invention employs conventional smelting equipment, and is low in cost, simple and convenient for operation and suitable for large-scale production.

The invention discloses a behavior model generation method and system. The method comprises a step of providing a behavior model edition interface, wherein the edition interface comprises edition entries, and the edition entries comprise an atomic state edition entry, a state diagram drawing entry, a state transfer relation edition entry and a state nest relation edition entry. A behavior model generated through the method is used for simulating the human decision behaviors in simulation systems, completing behavior model edition through carrying out state synthesis and condition transfer on basic atomic states, and rehearsing the state transfer process in real time. The method is visual, simple and convenient to carry out model edition by non-technical personnel, for example, the military personnel that do not understand programing only need to combine atomic conditions during the edition of tactic behavior models. The method is popular, easy to understand and convenient to use, and the edition model can be conveniently provided to various simulation systems for calling.

The present invention relates to plate-like sodium bismuth titanate powder prepared by a molten salt method, and a preparation method thereof. The method comprises: 1, calcining Na2CO3, Bi2O3, TiO2 and NaCl for 2-8 h at a temperature of 900-1100 DEG C to obtain a mixture A, wherein a ratio of the total mass of Na2CO3, Bi2O3 and TiO2 to the mass of NaCl is 0.5-1; and 2, removing the Cl<-> from themixture A, and drying to obtain the plate-like sodium bismuth titanate powder. According to the present invention, with the application of the molten salt method to prepare the sodium bismuth titanatepowder, the reaction can be carried out in an atomic state by the molten state NaCl, and the growth direction of the grain can be changed, such that the process is simple, the cost is low, the reaction cycle is short, the repeatability is good, and the Na0.5Bi0.5TiO3 powder has characteristics of good dispersibility, uniform distribution, low agglomeration degree and large aspect ratio.