Abstract: Each layer in the magnetic multilayer film is a closed ring or oval ring and the magnetic moment or flux of the ferromagnetic film in the magnetic unit is in close state either clockwise or counterclockwise. A metal core is put in the geometry center position in the close-shaped magnetic multilayer film. The cross section of the metal core is a corresponding circular or oval. A MRAM is made of the closed magnetic multilayer film with or without a metal core. The close-shaped magnetic multilayer film is formed by micro process method. The close-shaped magnetic multilayer film can be used broadly in a great variety of device that uses a magnetic multilayer film as the core, such as MRAM, magnetic bead in computer, magnetic sensitive sensor, magnetic logic device and spin transistor.

Abstract: The present invention concerns a high vacuum in-situ refining method for high-purity and superhigh-purity materials and the apparatus thereof, characterized in heating the upper part and lower part of crucible separately using double-heating-wires diffusion furnace under vacuum, thereby forming the temperature profile which is high at upper part and low at lower part of crucible, or in reverse during different stages; then heating the crucible in two steps to remove impurities with high saturation vapor pressure and low saturation vapor pressure respectively in efficiency; and obtaining high-purity materials eventually. The whole procedure is isolated from atmosphere, reducing contamination upon stuff remarkably. The present invention could provide products with high-quality and high production capacity, which are stable in performance, therefore is reliable and free from contamination.

Abstract: Rupestonic acid derivatives are rupestonic acid derivative A- or B-type compounds, prepared through a condensation reaction from starting materials, i.e., a monomer compound of rupestonic acid and an aromatic amine or fatty amine or an organic alcohol, i.e., a fatty alcohol or an aromatic alcohol. Rupestonic acid, which is the monomer compound of sesquiterpene isolated from the plant Xinjiang Artemisia rupestric L., is used as a mother compound. Natural anti-virus lead compound with high activity are discovered by modifying the structure of the monomer compound of rupestonic acid. Activity results of the lead compound showed pharmaceutical application of anti-I, II flu virus and anti-I, II herpes simplex virus infection. These compounds can be used alone or in combination with one or more pharmaceutical acceptable, inert and nontoxic excipients or carries in a pharmaceutical composition.

Abstract: In a method of welding of metal plates in a solid phase, wherein the metal plates are combined to form a package, and welded together by heating and deforming the package by contacting with two rotating cylinders, the improvement includes: providing a damping lining between the metal plates; placing the package between two cylinders such that the metal plate with the smallest yield value under welding temperature faces the cylinder with smaller diameter, heating and deforming the package in vacuum, such that during a first stage the temperature reaches 0.4-0.5 of melting temperature of a metal plate with the smallest yield value, during a second stage the package is heated by a high frequency which heats the damping lining up to 0.92-0.95 of its melting temperature, wherein angular velocities of the rotating cylinders and their radiuses are selected in accordance with a formula.

Abstract: A magnetic logic element with toroidal magnetic multilayers (5,6,8,9). The magnetic logic element comprises a toroidal closed section which is fabricated by etching a unit of magnetic multilayers (5,6,8,9) deposited on a substrate. Optionally, the magnetic logic element may also comprise a metal core (10) in the closed toroidal section. Said magnetic multilayers (5,6,8,9) unit is arranged on the input signal lines A, B, C and an output signal line O, and then is made into a closed toroidal. Subsequently, on the toroidal magnetic multilayered unit (5,6,8,9), the input signal lines A?, B?, C? and an output signal line O? are fabricated by etching. This magnetic logic element can reduce the demagnetization field and the shape anisotropy effectively, leading to the decrease of the reversal field of magnetic free layer. Furthermore, this magnetic logic element has stable working performance and long operation life of the device.

Abstract: A method of manufacturing epitaxial material used for GaN based LED with low polarization effect, which includes steps of growing n-type InGaAlN layer composed of GaN buffer layer (2) and n-type GaN layer (3), low polarizing active layer composed of InGaAlN multi-quantum well structure polarized regulating and controlling layer (4) and InGaAlN multi-quantum well structure light emitting layer (5) and p-type InGaAlN layer (6) on sapphire or SiC substrate (1) in turn. The method adds InGaAlN multi-quantum well structure polarized regulating and controlling layer, thus reduces polarization effect of quantum well active region.

Abstract: This invention relates to co-crystals of at least one molecule of calyx[n]arene or at least one of its derivatives, and at least one biologically active molecule, compositions and medicines including them, and the use of these co-crystals and methods used to obtain them.

Abstract: The present invention provides a cesium-rubidium-borate nonlinear optical crystal, which is represented by the chemical formula CsxRb1?xB3O5 (0<x<1), and belongs to the P212121 space group with the unit cell parameters in the following range: a=8.202-8.514 ?, b=10.075-9.140 ?, c=5.375-6.207 ? and Z=4. A preparation method of the crystal is as follows: a cesium salt, a rubidium salt and a boron-containing compound are mixed pro rata, heated, kept at a temperature, and then cooled down to obtain the cesium-rubidium-borate. The cesium-rubidium-borate and a flux are mixed and heated to form a melt to obtain a mixing melt. Then a seed crystal attached to a seed rod is dipped into the mixing melt and the seed rod is rotated simultaneously. The melt is kept at 620-780° C., and then cooled down slowly at a rate of 0-5° C. per day. The obtained crystal is drawn out of the melt surface and cooled down to room temperature. Thereby, the cesium-rubidium-borate nonlinear optical crystal is obtained.

Abstract: The present invention relates to methods for accelerating the trans-cis isomerization of 1,2-diphenylethylene analogues by using photocatalyst. According to this invention, in the presence of polypyridyl platinum(II) complex with catalytic dosage, a solution containing trans-1,2-diphenylethylene analogues or mixture of cis- and trans-1,2-diphenylethylene analogues is irradiated by visible light to prepare product of cis-1,2-diphenylethylene analogues or product predominantly being cis-1,2-diphenylethylene analogues under inert gas atmosphere. This method has the advantages of fast reaction, high performance, easy separation of reaction system and recycle of the polypyridyl platinum (II) complexes.

Abstract: Capillary columns (102) pass through and are inserted in a rubber plate (14), held and fixed by elastic force of rubber, and two-dimensionally arranged on a sample injection side. it fixes the capillary columns (102) arranged on a plane in close contact by holding the same with a holder plate (6a) from below and with a rubber plate (16) from above on a detection side. In order to press the capillary columns (102) against the holder plate 6a and fix the same with the rubber plate (16), a holder plate (6b) fixing the rubber plate (16) to the holder plate (6a) on both sides of the arrangement of the capillary columns (102) is provided.

Abstract: Disclosed herein are several organic compounds having electron-transporting and/or hole-blocking performance and their preparation method and use and the OLEDs comprising the organic compound. The organic compounds exhibit high ionization potential (IP), electron affinity (Ea), glass transition temperature (Tg) and high electron mobility, and are a kind of good electron-transporting material with good hole-blocking ability. The devices comprising these compounds as one of the emitting layer, electron-transporting layer (ETL) and hole-blocking layer (HBL) show improved efficiency and better color purity.

Abstract: The invention discloses a MRAM (Magnetoresistive RAM) based on vertical current writing and its control method, the operation of information writing in the MRAM unit is completed by the corporate effect of the magnetic field generated by the current parallel to the MFC unit and the other current vertical to the MFC unit and passing through this unit. The advantage of such structure is: eliminating a word line (WL) of the prior art especially for information writing, reducing the number of the metal wiring layers and the contact holes, and reducing the complexity of MRAM's structure, and difficulty and cost of manufacturing process.

Abstract: A sound insulation/absorption structure, a sound insulation/absorption device, and a structure having these applied thereto and a member constituting the same, are capable of insulating or absorbing sound by stiffness control. The sound insulation/absorption structure comprises a film member, such as a polymer film or metal foil, and a frame body having at least one annular opening, the film member being fixed to the frame body, the section of the film member surrounded by the frame body being of a curved shape such as a dome, wherein the resonance frequency of the in-plane stretching of this curved shape is set at a frequency equal to or higher than the audible frequency band, so as to insulate or absorb sound by the elastic force of the film. The film member may be replaced by an acrylic, polyethylene terephthalate or other plastic plate, an aluminum or other metal plate, or a veneer or other plate member, molded into a curved shape, such as a dome, a semi-cylinder and a cone.

Abstract: A method for enhancing activity of enzyme at an elevated temperature which comprises adding a substance exhibiting chaperone function such as a saccharide to a reaction mixture containing the enzyme. The method can improve activity of enzymes more easily and more effectively and hence afford increased enzyme activity at an elevated temperature.

Abstract: An illumination apparatus for a microscope and an image processing apparatus using the illumination apparatus include a light source, a semi-transmissive mirror splitting a light beam from the light source into two beams of the first and second irradiation light, two excitation filters selecting the wavelengths of the first and second irradiation light, a semi-transmissive mirror synthesizing individual beams of the first and second irradiation light whose wavelengths are selected, into a single beam, a dichroic mirror directing a light beam synthesized by the semi-transmissive mirror toward a specimen and transmitting light from the specimen, an objective lens, cameras imaging fluorescent light from the specimen after being separated into fluorescent light excited by the first and second wavelengths, and an image processing section processing fluorescent images formed by imaging elements.

Abstract: An electrode plate of a sample plate is set on the body of an electrophoretic apparatus, while a plug is inserted into a migration high voltage line connection hole and connected to a high-tension distribution cable. Each well of a base plate is inserted into a through hole of a well guide and further press-fit and engaged into a cavity of an electrode plate, for fixing the base plate to the electrode plate. Thereafter a sample is introduced into each well of the base plate and an end of a capillary column is dipped into each well for applying a migration voltage and electrophoretically injecting the sample into the capillary column.

Abstract: A novel protein which binds with tumor necrosis factor receptor associated factor 2, TRAF2, as well as a nucleic acid coding for the protein is disclosed. From a mouse cDNA library, a cDNA coding for a novel protein which binds with TRAF2 was discovered by mammalian two-hybrid assay, the cDNA was sequenced, the protein encoded by the cDNA was produced, and the fact that the protein binds with TRAF2 was experimentally confirmed.

Abstract: Refrigerant mixtures used in the lower temperature stage of two-stage cascade refrigeration systems and obtained by physical mixing of ethane, hexafluoroethane, or/and trifluoromethane. One of the refrigerant mixtures comprises ethane and hexafluoroethane. Another refrigerant mixture comprises ethane and trifluoromethane. Yet another one of the refrigerant mixtures comprises ethane, hexafluoroethane, and trifluoromethane.

Abstract: An illumination apparatus for a microscope and an image processing apparatus using the illumination apparatus include a light source, a semi-transmissive mirror splitting a light beam from the light source into two beams of the first and second irradiation light, two excitation filters selecting the wavelengths of the first and second irradiation light, a semi-transmissive mirror synthesizing individual beams of the first and second irradiation light whose wavelengths are selected, into a single beam, a dichroic mirror directing a light beam synthesized by the semi-transmissive mirror toward a specimen and transmitting light from the specimen, an objective lens, cameras imaging fluorescent light from the specimen after being separated into fluorescent light excited by the first and second wavelengths, and an image processing section processing fluorescent images formed by imaging elements.

Abstract: Capillary columns (102) pass through and are inserted in a rubber plate (14), held and fixed by elastic force of rubber, and two-dimensionally arranged on a sample injection side. it fixes the capillary columns (102) arranged on a plane in close contact by holding the same with a holder plate (6a) from below and with a rubber plate (16) from above on a detection side. In order to press the capillary columns (102) against the holder plate 6a and fix the same with the rubber plate (16), a holder plate (6b) fixing the rubber plate (16) to the holder plate (6a) on both sides of the arrangement of the capillary columns (102) is provided.