59results about How to "High temporal stability" patented technology

This relates to a method for image segmentation and video object tracking. While conventional methods rely on the motion homogeneity of the objects to be tracked, the present method is based on a concept of partition projection in which both spatial and motion information are now exploited, and implemented by means of a modified double partition approach, including a re-segmentation of a first partition followed by a projection step of the obtained fine partition into the current frame. Objects presenting non-homogeneous motion, static objects, and parts of an object with homogeneous motion can thus be tracked.

An electrical coil, particularly a gradient coil for a magnetic resonance apparatus, contains at least one electrical conductor, a carrier structure, at least one component of a cooling device and a heat insulator, which is arranged for at least one section of the conductor between the conductor and the carrier structure.

The invention discloses a cold-heat circulation aging treatment method for increasing magnetic stability of permanent magnets. The method comprises the following steps of: putting one or more permanent magnets magnetized in a saturated manner on a non-magnetic bottom plate; then putting in a high-low temperature chamber, and freezing at minus 70 DEG C to minus 20 DEG C for 30-120 min; then, heating the high-low temperature chamber to 60-250 DEG C at the temperature increasing rate of 1-10 DEG C / min, and keeping the temperature for 30-240 min; and finally, naturally cooling to room temperature, and completing cold-heat circulation aging treatment. By adopting the method disclosed by the invention, total loss, irreversible loss, reversible loss and reversible temperature coefficients when temperature of the permanent magnets is changed can be effectively eliminated or reduced; and heat stability, time stability, magnetic stability and radiation-resistant magnetic stability of the permanent magnets under a vibration condition can be increased.

The present invention relates to the preparation of liposomes with enhanced loading capacity for pharmaceutically and / or diagnostically active agents and / or cosmetic agents which are substantially solubilized by the liposomal membranes, to liposome dispersions with enhanced stability with respect to release of the active agent and / or cosmetic agent from the liposomes obtainable by the process, and to pharmaceutical or cosmetic compositions comprising said stabilized liposome dispersions. The preparation may involve dehydration and rehydration steps of liposome dispersions which may be carried out by spray drying.

The purpose of the present invention is to provide a thermoplastic resin composition for a reflective material which has excellent mechanical strength, excellent heat resistance, excellent high reflectance, and excellent moldability, and which makes it possible to obtain a reflective plate with little decline in reflectance caused by heating. A first embodiment of this thermoplastic resin composition for a reflective material includes: a polyester resin (A) that has a melting point or glass transition temperature of 250° C. or higher and includes an alicyclic hydrocarbon structure; a thermoplastic resin (B) that has a polyolefin backbone and a functional group; a white pigment (C); and an inorganic filler (D); the thermoplastic resin (B) either including 0.1 to 1.8 wt % of a functional group unit (B1) that further includes a heteroatom, or further including an aromatic hydrocarbon structure (B2), and the limiting viscosity [η] being 0.04 to 1.0 dl / g.

A water dispersible colloidal system in the form of generally spherical matrix type particles and of sizes typically in the range of from 50 to 500 nm, called nanoparticles, and a process for the preparation of such systems. The system is characterized in that the nanoparticles comprise at least one amphiphilically modified calixarene. The water dispersion contains at least one active component such as a cosmetic, a pharmaceutical compound or other biologically active substances, foods, beverages, etc. enclosed within the nanoparticles, in the outer aqueous phase, or in both. The systems show outstanding properties, especially long-life stability even at elevated la temperatures.

The invention discloses a method for deep diffusion based on contour matching. The method comprises the following steps of: inputting multiple frame images, and extracting the contour of each frame image in the multiple frame images to obtain a contour sequence of each frame image; calculating a contour characteristic value of each contour in the contour sequence of each frame image according to the contour sequence of each frame image; comparing each contour characteristic value of the current frame image with the contour characteristic value of each contour in the contour sequence of the previous frame image of the current frame to acquire a similar contour of each contour of the current frame image in the previous frame image; and assigning the depth value of an area surrounded by the similar contour in the previous frame image to an area surrounded by a contour corresponding to the current frame to generate a depth map of the previous frame image. The invention also discloses a device for deep diffusion based on contour matching. A non-key-frame depth image which can be obtained by using the method and the device has clear edges, definite depth level, high smooth performance and high time-domain stability.

The present invention relates to a weakly acidic composition for skin external application, which comprises a pH adjuster, a polymeric thickener and a multi-lamellar emulsion and has a pH of 3-5, preferably 3-4.5, and to a cosmetic formulation comprising the composition. The multi-lamellar emulsion in the weakly acidic composition of the present invention contains large amounts of dermatologically useful oleophilic substances, has skin barrier function, and is stably maintained at a relatively low pH, and thus the composition normalizes the pH of the skin to enhance or restore the skin's barrier function to thereby restore and maintain the skin in a healthy state, and effectively moisturizes the skin. In addition, the composition is maintained at suitable viscosity so as to be effectively prevented from phase separation. Also, the composition does not penetrate the skin, and thus causes no skin irritation.

Disclosed is an ink composition including: (1) a pigment; (2) a polymerization initiator having a content of 2% by mass or more with respect to a total amount of the composition and having a solubility with respect to pure water at 25° C. of 5 to 8 g / l; (3) a compound A that is at least one selected from the group consisting of dimethylacrylamide, diethylacrylamide, N-isopropylacrylamide, dimethylacetamide, N-ethylpyrrolidone, 1-cyclohexyl-2-pyrrolidone, 1-(2-hydroxyethyl)-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, tetramethylurea and gamma-valerolactone; (4) a polymerizable compound having two or more ethylenically unsaturated double bonds; and (5) water having a content of 50% by mass or more with respect to the total amount of the composition.

A two-liquid composition, includes (A) a first liquid composition that contains a hydrophilic polymer having a hydrolyzable silyl group; and (B) a second liquid composition that contains a catalyst capable of accelerating reaction of the hydrolyzable silyl group, and a hydrophilic member is formed by mixing the first liquid composition (A) and the second liquid composition (B), coating a substrate with the resultant mixture and drying the mixture coated.

A sulfonate group-containing copolymer is provided which comprising a structural unit (a) derived from a sulfonate group-containing monomer (A); a structural unit (b) derived from a (poly)oxyalkylene monomer (B); a structural unit (c) derived from a carboxyl group-containing monomer (C). The sulfonate group-containing copolymer comprises from 20% to 90% by mass in an acid form equivalent of the structural unit (c) in 100% by mass of all the structural units constituting the sulfonate group-containing copolymer. The product (P×Mw×n) of the ratio by mass P of the structural unit (b) to the structural unit (a) multiplied by the weight average molecular weight Mw of the sulfonate group-containing copolymer multiplied by the value n is from 950,000 to 800,000,000.

A cellulose acetate film is produced from a solution of a cellulose acylate in a mixed solvent. The mixed solvent comprises a main solvent and an alcohol. The mixed solvent essentially does not contain chlorine atom. The main solvent comprises an ester and a ketone. The ester has a solubility parameter of 16 to 23. The ketone has a solubility parameter of 16 to 23. The alcohol has a solubility parameter of 20 to 30. The mixed solvent comprises the ester in an amount of 58 to 96 wt. %, the ketone in an amount of 2 to 15 wt. %, and the alcohol in an amount of 2 to 40 wt. %.

A method for preparing an alignment layer surface provides a surface on the alignment layer. The surface is bombarded with ions, and reactive gas is introduced to the ion beam to saturate dangling bonds on the surface. Another method for preparing an alignment layer surface provides a surface on the alignment layer. The surface is bombarded with ions and quenched with a reactive component to saturate dangling bonds on the surface.

The invention discloses a high-power all-fiber MOPA structure superfluorescence fiber light source based on tandem pumping. The high-power all-fiber MOPA structure superfluorescence fiber light source comprises a superfluorescence seed light source, a power preamplifier and a tandem pumping power main amplifier, wherein the superfluorescence seed light source comprises a first residual pumping light decanter, a first side pump beam combiner, a first multimode pumping laser, a first double-clad ytterbium-doped fiber, a second side pump beam combiner, a second residual pumping light decanter, a first fiber isolator and a second fiber isolator; the power preamplifier comprises a first (N+1)*1 fiber pumping signal beam combiner, a second multimode pumping laser, a second double-clad ytterbium-doped fiber, a second residual pumping light decanter and a third fiber isolator; and the tandem pumping power main amplifier comprises a second (N+1)*1 fiber pumping signal beam combiner, a tandem pumping laser module, a third double-clad ytterbium-doped fiber, a third (N+1)*1 backward pumping signal beam combiner, a fourth residual pumping light decanter and a fiber output end cap. The high-power all-fiber MOPA structure superfluorescence fiber light source based on the tandem pumping realizes output of a high-brightness superfluorescence fiber light source.

A stabilized food composition with a reduced dry matter content, wherein the stabilizing agent is a fructane or fructane mixture in an amount of 1-15 wt % and to 1-25% of the water content of said food composition.

The invention discloses a continuous terahertz wave self-reference digital holographic imaging method based on a Fresnel double-sided mirror. According to the method, high-time-stability common-optical-path off-axis interference holography can be achieved only through few optical elements. The method has the advantages that the number of required optical elements is small, the optical path structure is compact, the period of interference fringes can be flexibly adjusted, and the sampling condition of the detector can be better met. Because the intensities of the object light and the referencelight on are cording plane are almost equal, interference fringes with consistent contrast can be obtained, and the reproduction of an amplitude image and a phase image and the improvement of the precision are facilitated. Under the conditions of the same recording duration and unchanged experimental conditions, experiments prove that the recording device provided by the invention has higher timestability than the traditional optical path system based on a Mach-Zehnder interferometer structure.

The present invention provides a lambda-shaped carbazole based chromophore, and a main-chain NLO polyurethane containing the same. The lambda-shaped structure reduces the plasticization to the main-chain polymers caused by the chromophore and increases temporal stability of the NLO coefficients of the main-chain NLO polyurethane. The NLO coefficients of the main-chain NLO polyurethane are stable because the efficiency of dipole alignment in electric field is increased due to the dipole thereof being perpendicular to the main chain of the polyurethane.

The invention discloses a high-efficiency perovskite solar cell and a preparation method thereof. The perovskite solar cell comprises a light transmission / transparent electrode layer, a transition layer, an electron transport layer, a light absorption layer, an electron absorption layer, a hole transport layer, and a top electrode which are successively stacked. The transition layer is an oxide of nickel. The electron transport layer is a quaternary oxide. The light absorption layer is a material provided with perovskite structure. The electron absorption layer is formed by fullerene derivative. The hole transport layer is formed by a ternary oxide. The top electrode is formed by a material with good conductivity. The high-efficiency perovskite solar cell effectively utilizes the performance of the perovskite material, is increased in the photoelectric converting efficiency by over 20 percent, and is suitable for batch production.

Provided is a method for improving the photoelectric conversion efficiency and the light-heat stability of an organic solar device. A little amount of mercaptan-type solvent additive is added to an organic solar cell light absorption layer solution, appropriate aggregation and separation of a donor and a receptor are achieved through the solvent effect of the solvent additive on the receptor in the light absorption layer spin-coating and film-forming process, the purity of a donor phase is improved, and the light-heat stability of the device is improved while the photoelectric conversion performance is improved. The method is a simple morphological control means, the shortcomings of likely light decomposition of an existing halogen additive are avoided, the donor and the receptor distribution situation at a body heterojunction is also optimized, and the photoelectric conversion efficiency and light-heat stability of the device are effectively improved by adopting the method.

An object of the present invention is to provide a treatment liquid for a semiconductor device, which has excellent temporal stability of residue removing performance, and excellent anticorrosion performance for a treatment target. In addition, another object of the present invention is to provide a method for washing a substrate and a method for manufacturing a semiconductor device, each using the treatment liquid.The treatment liquid of an embodiment of the present invention is a treatment liquid for a semiconductor device, including at least one hydroxylamine compound selected from the group consisting of hydroxylamine and a hydroxylamine salt, at least one basic compound selected from the group consisting of an amine compound other than the hydroxylamine compound and a quaternary ammonium hydroxide salt, and at least one selected from the group consisting of a reducing agent other than the hydroxylamine compound and a chelating agent, and having a pH of 10 or more.

The invention discloses a superconductive electromagnetic iron remover, which comprises a magnetic field system, a drive system and a control system. A magnet winding coil in the magnetic field system is made of the superconductive material. An insulating layer is disposed outside the coil. A refrigerator is mounted on the iron remover. A superconductive coil is connected to the cold junction of the refrigerator. An exciter coil of the iron remover mainframe is made of superconducting wire material such as NbTi. The superconductive electromagnetic iron remover has high field intensity, strong iron removing ability, low energy consumption of the entire remover, small size, stable operation, etc., and can absorb iron impurities in the material efficiently. With the superconductive electromagnetic iron remover, iron removing effect can be greatly improved, operation cost can be greatly reduced, and potential safety hazard caused by iron impurities can be reduced to the least.

The invention discloses a PIN heterojunction solar cell and a preparation method thereof. The perovskite solar cell comprises a light-transmitting / transparent electrode layer, a transition layer, an electron transfer layer, a light absorbing layer, an electron absorbing layer, a hole transfer layer and a top electrode which are sequentially stacked, wherein the transition layer is made from oxide of nickel; the electron transfer layer is made from quaternary oxide; the light absorbing layer is made from a material with a perovskite structure; the electron absorbing layer is formed by graphene and oxidized graphene; and the hole transfer layer is formed by ternary oxide, and the top electrode is formed by a material with good conductivity. According to the invention, the performance of the perovskite material is effectively utilized, the photoelectric conversion efficiency of the perovskite solar cell is improved by more than 18%, and the solar cell is suitable for batch production.

A silicone compound is represented by the formula (1) and has a weight average molecular weight of 500 to 200000. A polyhydric alcohol-modified silicone compound can provide a stable composition (emulsified product, powder dispersion, etc.) having a silicone oil and other oil as a continuous phase.R1aR2bR3cR4dSiO(4-a-b-c-d) / 2  (1)(R1 represents an organic group, R2 is a group represented by —Y—O—X (Y represents a divalent hydrocarbon group having 3 to 20 carbons and optionally containing at least one of an ether bond and an ester bond, and X represents a polyhydric alcohol-substituted hydrocarbon group having at least two hydroxyl groups); R3 is a monovalent branched type organosiloxane group represented by the formula (4); and R4 is a monovalent organosiloxane group represented by the formula (5) or the formula (6).)MoMRpDqDRrTsTRtQu  (4)MMRDv1  (5)MwDv1DRv2TRv3  (6)

A method for optical microscopy, including using a first laser beam to excite dye particles in a sample region with light having a first wavelength. A second laser beam with a second wavelength based on the emission spectrum of the excited particles is used to de-excite the excited particles. The first and second beams have first and second respective intensity distributions which are spatially different when co-aligned; the second profile has a minimum where the first has a maximum. The region is once concurrently illuminated with the first and second beams, and an emission signal is detected. For each scanning point, the region is illuminated also with a pulse of the second laser beam or continuously prior to or after illuminating the region of the sample concurrently with both lasers. The illumination with only the second laser beam defines a background signal that is subtracted from the emission signal.

The invention provides a mixed period permanent magnet focusing system of a single-row multi-electron beam terahertz radiation source. The system is designed by combining a transverse magnetization period permanent magnet system and a longitudinal magnetization period permanent magnet system and comprises two groups of period permanent magnet assemblies and a group of period pole shoe assemblies. The cone permanent magnets distributed on the two sides of the wide edge of the electron channel form a transverse magnetization period permanent magnet system, the rectangular annular permanent magnets surrounding the electron channel form a longitudinal magnetization period permanent magnet system, and the transverse magnetization period permanent magnet system and the longitudinal magnetization period permanent magnet system are mainly used for bunching electron beams in the x direction and the y direction respectively. By combining the two focusing systems, bunching of electrons can be realized in x and y directions so that stable transmission of single-row multi-electron beams is realized, and the problem of unstable transmission of electron beams caused by electron beam divergence when the single-row multi-electron beams are transmitted in an anode electron channel is solved; and the beam-wave interaction efficiency and the performance of the whole device are improved.