2709 results about "Self repair" patented technology

A method or system for supporting a computer systems self repair, including the computer executed steps for booting from a first boot device, and booting from a second boot device in response to a signal indicating a need for repair. While booted from the second boot device the computer system is capable of repairing software on the first boot device. The signal may effect a logical or physical switch. Repairing software may be performed in part by copying BIOS, template, backup or archive software from a device other than the first boot device. Repairing software may be performed automatically without direction by a user or according to preset preferences.

A protective coating for a substrate is disclosed having an outer component or module formed of a swellable material and an inner module formed of a plurality of layer or bilayers formed of ceramic material. The coating comprising a plurality of modules comprising a first module comprising a number (m) of bilayers comprising zirconia and alumina wherein (m) is a number greater than 1. The coating further comprises a second module disposed on the first module comprising a number (n) of bilayers comprising zirconia and titania wherein (n) is a number greater than 1. The coating further comprises a third module disposed on the second module comprising a third-module compound capable of forming a hydrate or hydroxide compound upon contact with an oxygen containing environment.

A system and method for reusable efficient key distribution is disclosed. Key distribution is effected through the application of self-repairing groups that obviate the need for key distribution messages in portions of a hierarchical tree. In one embodiment, the self-repairing group is based on a reusable power set.

Methods and apparatus for self-repairing non-volatile memory using a PreAllocated Redundancy (PAR) architecture. In a representative embodiment, the non-volatile memory includes a block, a memory subblock, a redundancy subblock having a size equal to the size of the memory subblock, a comparator coupled to the block, a fail latch circuit coupled to the block, and a fuse coupled to the block. The comparator is configured to identify a failure within a particular memory subblock by comparing expected data with read data. The fail latch circuit is configured to determine an address of the particular memory subblock. The fuse is configured to cause the particular memory subblock to be replaced with the redundancy subblock, thereby repairing the non-volatile memory.

A Procesor-In-Memory (PIM) includes a digital accelerator for image and graphics processing. The digital accelerator is based on an ALU having multipliers for processing combinations of bits smaller than those in the input data (e.g., 4×4 adders if the input data are 8-bit numbers). The ALU implements various arithmetic algorithms for addition, multiplication, and other operations. A secondary processing logic includes adders in series and parallel to permit vector operations as well as operations on longer scalars. A self-repairing ALU is also disclosed.

The invention discloses a high-strength supramolecular hydrogel and a preparation method and application thereof. The high-strength supramolecular hydrogel is prepared by using acryloyl glycinamide as a monomer and triggering in the presence of an initiator; because of the synergistic effect of hydrogen bonds, the supramolecular hydrogel is high in tensile strength and anti-tear while being compressed, can realize functions of thermoplasticity and self-repair at a high temperature, and is good in biocompatibility.

The invention discloses a micro-crack self-repairing microcapsule, which comprises a capsule core and a capsule wall, wherein the capsule core comprises the following ingredients in part by weight: 10 to 60 parts of isocyanate derivative, 0.1 to 10 parts of capsule core diluent and 2 to 40 parts of cosolvent; and the capsule wall comprises ingredients with the following mol ratio: urea: formaldehyde solution, prepolymer=1: (1.0-4.0): (2.0-6.0), wherein the prepolymer is formed from the ingredients with the mol ratio: isocyanate derivative: cyclohexanone: chain extender=1: (2.0-5.0): (0.3-3.0). The invention also discloses a micro-crack self-repairing anti-corrosion coating utilizing the capsule. The micro-crack self-repairing microcapsule is free from additionally adding a repairing catalyst or an initiator, can realize completely automatic repairing function, can be widely applied to the protection field of a metal surface coating in a wet environment, and solves the problems that the contact probability between functional filling material flowing into cracks in the intelligent anticorrosion coating and the catalyst or the initiator is small.

The invention discloses a dynamic polymer having a hybrid cross-linked network, and contains common covalent crosslinking and dynamic covalent crosslinking; and the dynamic covalent crosslinking is realized by organic boric acid silicon ester bonds. The dynamic polymer combines the advantages of dynamic covalent organic boric acid silicon ester bonds and a common covalent bond, and by regulation and control of a reactant structure, a dynamic polymer having abundant structure and various properties can be prepared. The dynamic covalent crosslinking in the dynamic polymer has strong dynamic reversibility, the polymer can present function characteristics of stimulation responsiveness and self-repair performance, and the common covalent crosslinking endows certain intensity and stability to the polymer; in addition, the dynamic nature of the organic organic boric acid silicon ester bonds can generate good energy dissipation and energy-absorbing effect, and is capable of toughening, dampingand resisting impact on a material in a specific structure. The dynamic polymer can be used for preparing a shock-absorption material, a shock-resistant protection material, a self-repair material, and a toughness material.

The invention relates to the field of concrete engineering, in particular to a compound capsule underground structure concrete self-repairing system provided with aerobic microorganisms inside. The system comprises a concrete matrix, wherein microorganism compound capsules are arranged in the concrete matrix; and the aerobic microorganisms and culture mediums suitable for the growth of the aerobic microorganisms are coated in the microorganism compound capsules. Compared with the existing microorganism self-repairing system and the microcapsule self-repairing system containing repairing agent, the compound capsule underground structure concrete self-repairing system provided with the aerobic microorganisms inside has no need to be additionally provided with the culture mediums, and concrete can achieve intelligent repairing.

The invention relates to a self-repairing polyurethane hydrogel and a preparation method thereof. The polyurethane hydrogel comprises the following components in parts by mass: 10-30 parts of polyisocyanate, 30-50 parts of hydrophilic polyester polyol or hydrophilic polyether polyol, 10-50 parts of acrylamide monomer, 0.5-3 parts of chain extender, 3-10 parts of methacrylic acid functional monomer containing an UPy unit, 0.5-2 parts of catalyst and 0.5-3 parts of photoinitiator. The preparation method comprises the following steps of firstly preparing a hydrophilic polyurethane macromonomer terminated with an acrylic acid monomer and carrying out radical polymerization with the methacrylic acid functional monomer containing the UPy unit under the action of photo-initiation. According to the self-repairing polyurethane hydrogel, the self-repairing of the damage of the polyurethane hydrogel can be completed without need of any repairing agent or specific environmental requirements, the polyurethane hydrogel has the advantages of high repairing efficiency, high mechanical strength and low cost and the repeatedly repairing function can be achieved on the same site.

The invention belongs to the technical field of preparation of self-repairing coatings, and relates to a method for preparing a polyelectrolyte coating having self-repairing capability based on a layer-by-layer assembly technology. The prepared polyelectrolyte coating has high strength in the air and high mobility when the coating is immersed in water or the water is sprayed on the coating, so huge scratches caused by mechanical damage on the coating can be spontaneously repaired. The self-repairing polyelectrolyte coating has the advantages that: a repair means is easy to implement, the sameposition can be repeatedly and spontaneously repaired, and the preparation of the coating is free from the limitation of a substrate. Moreover, the method for preparing the self-repairing polyelectrolyte coating is simple, and the used raw materials are non-toxic and harmless. The method for preparing the self-repairing coating is believed to contribute to research of aspects comprising material science, surface chemistry, polymer science and the like, and the self-repairing polyelectrolyte coating is expected to be widely applied in aspects of preparation of protective coatings, biological material coatings, display equipment and the like.

The present invention relates to the technological field of self-repairing polymer material and discloses a self-repairing polymer composite material at the room temperature. The self-repairing polymer composite material is made of the following components of the following weight percentages: 40 percent to 98 percent of polymer matrix, 1 percent to 50 percent of capsule containing liquid epoxy resin, 1 percent to 50 percent of capsule containing liquid poly mercaptan and 0.1 percent to 15 percent of catalyst. The capsules containing the liquid epoxy resin and the poly mercaptan of the present invention can bear the external force of processing when the material is prepared. When the matrix material is damaged and cracked, the crack can be split together with the matrix while passing the capsules to release two reaction substances. The two reaction substances are polymerized rapidly so as to prevent the increase of the crack and to repair the crack. The self-repairing composite material of the present invention needs no heating while repairing; and the crack repair can be automatically finished at the room temperature.

A voice recognition system and a voice processing system in which a self-repair utterance can be inputted and recognized accurately as in a conversation between humans in the case where a user makes the self-repair utterance are provided. An signal processing unit for converting speech voice data into a feature, a voice section detecting unit for detecting voice sections in the speech voice data, a priority determining unit for selecting a voice section to be given priority from among the voice sections detected by the voice section detecting unit according to a predetermined priority criterion, and a decoder for calculating a degree of matching with a recognition vocabulary using the feature of the voice section selected by the priority determining unit and an acoustic model are included. The priority determining unit uses as the predetermined priority criterion at least one selected from the group consisting of (1) a length of the voice section, (2) a power or an S/N ratio of the voice section, and (3) a chronological order of the voice section.

The invention discloses a reversible covalent crosslinking polysiloxane elastomer, a preparation method therefor and an application thereof. The reversible covalent crosslinking polysiloxane elastomer has the following structure: FORMULA as shown in the specification. The present invention further discloses a preparation method and an application for the reversible covalent crosslinking polysiloxane elastomer. The polysiloxane elastomer provided by the present invention has advantages of relatively low temperature of reprocessing, good reprocessing performance and high self-repairing efficiency. The reversible covalent crosslinking polysiloxane elastomer is simple in preparation process and relatively low in cost.

The invention discloses a self-repairing fiber reinforced polymer matrix composite and a preparation method thereof. In the method, a double-capsule repairing system respectively containing epoxy resin prepolymer and curing agent is evenly mixed into a resin matrix, then, the matrix curing agent and catalyst are added to be evenly mixed, the obtained mixture is used for dipping fiber reinforcing material, and at last, the self-repairing fiber reinforced polymer matrix composite is obtained by solidifying and shaping. When the self-repairing composite of the invention generates cracks or fiber unsticking damage owing to heat, force, environment corrosion and the like during processing, storing and using process, cracks pass through a restorative capsule which cracks along with the matrix to release reacting substance and quickly polymerize, thus preventing crack from expanding, repairing crack damage, keeping the mechanical property of the composites and prolonging the service life thereof. The self-repairing composite prepared by the invention can automatically finish repairing cracks at the temperature of negative 50-250 DEG C, and the repairing process totally needs no artificial intervention.

The invention belongs to the technical field of bioengineering and in particular relates to a gene site-directed mutation vector as well as a construction method and application thereof. The invention provides the gene site-directed mutation vector due to lots of optimizations, cytosine deaminase is guided to be close to cytosine through a CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) system, the cytosine is changed into uracil, then uracil is changed into thymine through self-repair in plant cells, and finally, site-specific mutagenesis from C to T is realized in plants so as to generate resistance to herbicides. In addition, point mutation can be produced in a non-sgRNA targeted area, and novel herbicide-resistant great agronomic traits are brought.