438results about How to "Broaden the field of application" patented technology

New and improved applications of Raman Scattering are disclosed. These applications may be implemented with or without using an enhanced nano-structured surface that is trademarked as the RamanNanoChip™ disclosed in a pending patent. As a RamanNanoChip™ provides much higher sensitivity in SERS compared with conventional enhance surface, broader scopes of applications are now enabled and can be practically implemented as now disclosed in this application. Furthermore, a wide range of applications is achievable as new and improved Raman sensing applications. By applying the analysis of Raman scattering spectrum, applications can be carried out to identify unknown chemical compositions to perform the tasks of homeland security; food, drug and drinking materials safety; early disease diagnosis; environmental monitoring; industrial process monitoring, precious metal and gem authentications, etc.

The invention provides a fixed-wing multi-shaft aircraft, and belongs to the field of aircrafts. The fixed-wing multi-shaft aircraft comprises a fixed wing and a multi-shaft rotor wing rack which are connected with each other, and the multi-shaft rotor wing rack is provided with multiple rotor wing mechanisms; the rotor wing mechanisms comprise propellers and rotating shafts, the propellers are rotatably connected with drive devices, the drive devices are fixedly connected with the rotating shafts, and the rotating shafts are connected with rotating control mechanisms. The fixed-wing multi-shaft aircraft has the advantages of both a fixed-wing aircraft and a multi-shaft aircraft, can achieve a multi-shaft mode, a fixed-wing mode and a fixed-wing and multi-shaft mixed mode and also has the advantages of achieving vertical taking-off and landing and hovering and being high in flying speed and long in flying time.

There is provided a method and system for scheduling a job in a cluster, the cluster comprises multiple computing nodes, and the method comprises: defining rules for constructing virtual sub-clusters of the multiple computing nodes; constructing the multiple nodes in the cluster into multiple virtual sub-clusters based on the rules, wherein one computing node can only be included in one virtual sub-cluster; dispatching a received job to a selected virtual sub-cluster; and scheduling at least one computing node for the dispatched job in the selected virtual sub-cluster. Further, the job is dispatched to the selected virtual sub-cluster based on characteristics of the job and/or characteristics of virtual sub-clusters. The present invention can increase the throughput of scheduling effectively.

The invention discloses a bending unit, a flexible display screen and a mobile terminal. The bending unit comprises a voltage controller and at least one bending mechanism. Each bending mechanism comprises an electrode and a cavity, wherein the cavity is filled with liquid metal, a deformable top cover for sealing the liquid metal is arranged on the top of the cavity, the cavity has one extending direction, and the two ends, in the extending direction, of the cavity are fixed. The voltage controller is used for being electrically connected with the electrodes. Voltage is exerted on the liquid metal through the electrodes so that the surface tension can be reduced. The liquid metal is used for expanding outwards when the surface tension is reduced so that the voltage can be exerted on the top cover. The top cover is used for being bent when the voltage is exerted. The novel flexible display screen is manufactured through the liquid metal, the display screen of a mobile phone can be bent, and the pioneering technical contribution is achieved.

Disclosed is a method of controlling a fleet of drones. A method in which a ground control station (GCS) controls a fleet of drones includes registering, by the GCS which is located on the ground, stores information about the drones, and controls the drones, all the drones constituting the fleet in a fleet list, configuring the fleet by synchronizing a physical position and a logical position for each of all the registered drones, controlling a form of the fleet based on a mission of the fleet or a peripheral environment having an influence on a flight of the fleet, and maintaining the fleet by immediately reflecting inclusion or departure in fleet information when the drone constituting the fleet is incorporated into or departs from the fleet.

The present invention discloses a transparent solar cell system, which comprises: a light-permeable solar energy conversion device, balance units and conductive wires. The light-permeable solar energy conversion device has a transparent photovoltaic element, which is a PN semiconductor structure formed of two transparent conductive films. The transparent conductive films are respectively made of different oxides. The substrate of the transparent solar cell system is made of a common glass or a common plastic; therefore, the transparent solar cell system of the present invention is lightweight and environment-friendly. Further, the present invention has a simple fabrication process and a low fabrication cost; therefore, the present invention can be extensively applied to the windows and doors of buildings and vehicles and benefits the popularization of solar energy.

The invention relates to a preparation method of microcapsules for rubber material self-healing, belonging to the field of self-repair microcapsules. By adopting an in-situ polymerization method, the wall material urea-formaldehyde resin is coated on the surface of the repair agent core material dicyclopentadiene liquid drop to form microcapsules. An impregnation film spreading method is utilized to compound the microcapsules with natural latex, so that the microcapsules can break and release the repair agent to fill up the cracks and heal the wounds when the rubber substrate is damaged. The invention provides a new technical way for prolonging the service life of the rubber material.

The invention relates to the field of food packaging and in particular provides a poly(butylene adipate terephthalate)/starch high-barrier composite membrane and a preparation method of the poly(butylene adipate terephthalate)/starch high-barrier composite membrane. The membrane adopts a sandwiched structure and takes a poly(butylene adipate terephthalate) as an outer layer; a sandwiched layer is a starch nano composite material layer; the thickness of the sandwiched layer accounts for 40 percent to 90 percent of the whole composite membrane; the composite membrane with the structure has a good barrier performance and is widely applied to packaging of products which are easy to oxidize, especially packaging of fresh agricultural products and high-oil foods; meanwhile, the production cost of a full degradable packaging membrane is remarkably reduced.

The invention relates to an antistatic flame-retardant ultra high molecular weight polyethylene composition and a preparation method thereof. An ultra high molecular weight polyethylene composite material with antistatic and flame-retardant properties is prepared through adding flow modifier, polyphenylene oxide, brominated flame retardant, flame retardant synergist, an antistatic component, coupling agent, compatilizer and antioxidant into ultra high molecular weight polyethylene and mixing and pelleting in a double-screw extruder. The application field of the polyphenylene oxide is widened,the cost of a flame-retardant material is reduced, and a favorable antistatic effect is achieved.

A transistor includes a semiconductor channel layer, a gate structure, a gate insulation layer, an internal electrode, and a ferroelectric material layer. The gate structure is disposed on the semiconductor channel layer. The gate insulation layer is disposed between the gate structure and the semiconductor channel layer. The internal electrode is disposed between the gate insulation layer and the gate structure. The ferroelectric material layer is disposed between the internal electrode and the gate structure. A spacer is disposed on the semiconductor channel layer, and a trench surrounded by the spacer is formed above the semiconductor channel layer. The ferroelectric material layer is disposed in the trench, and the gate structure is at least partially disposed outside the trench. The ferroelectric material layer in the transistor of the present invention is used to enhance the electrical characteristics of the transistor.

The invention discloses a realization method of a business process and a workflow engine. The method comprises the following steps that: a business process is described by using a workflow engine, wherein the workflow engine comprises workflow nodes and each workflow node is used for describing one link of the business process; besides, the each workflow node includes: a behavior, which is used for describing a behavior of a link; a state, which is used for describing a state of the link; and a relation between the behavior and the state of the workflow node, wherein the relation is used for describing the relation between the behavior and the state of the link; and the behavior of the workflow node is used for driving a change of the state of the workflow node; and the workflow engine is operated to realize the business flow. According to the invention, development cycle and maintenance cost of the system are reduce, so that competitiveness of the workflow engine in the market is guaranteed and a user experience is improved.

The invention provides an unmanned-ship-mounted underwater robot mixing system which comprises an unmanned ship, an underwater robot and a connection system. The unmanned ship mainly comprises a ship body and a ship-mounted control system, ship-mounted power equipment and ship-mounted application equipment which are arranged on the ship body. The underwater robot comprises an underwater robot body and underwater application equipment, and the underwater robot body is provided with underwater control equipment, underwater power equipment and operation equipment. The connection system comprises a connection cable and a communication system, the connection cable is formed by binding communication cable, a charging cable and a dragging cable. The unmanned ship and the underwater robot are connected through the connection cable and exchange data through the communication system. According to the mixing communication system, the ship-mounted control system serves as the core, and an internal bus and a communication board card are adopted to control the unmanned ship and the underwater robot to conduct cooperative work in a unified mode; the unmanned ship serves as a water transport platform and a communication replay platform, and response is made to requirements of carrying, inward journey, parking, communication, power supply and the like of the underwater robot.

The invention belongs to the field of flavoring agents, and particularly relates to a preparation method for seafood soy sauce. The method includes the steps that meat of seafood products is taken through dissection, water is added, and homogenization treatment is performed, so that seafood homogenate is obtained; enzyme is added into the seafood homogenate to perform enzymolysis treatment, so that seafood enzymatic hydrolysate is obtained; inactivation treatment is performed on the seafood enzymatic hydrolysate, so that inactivated enzymatic hydrolysate is obtained; centrifugal treatment is performed on the inactivated enzymatic hydrolysate, so that a seafood stock solution is obtained; reducing sugar is added into the seafood stock solution to complete the Maillard reaction, so that a Maillard reaction product is obtained; food flavoring agents and a natural microbial growth inhibitor are added into the Maillard reaction product, so that the seafood soy sauce is obtained. The natural seafood products are adopted as the main raw materials which are reasonably proportioned and synergistically act, so that the seafood soy sauce has the peculiar flavor of the seafood and has moderate freshness, sweetness and saltiness, and the seafood soy sauce has a high aspartic acid content and a high glutamic acid content and contains rich mineral elements and vitamins.

A method for non-invasive detection of a disease, a status of illicit-drug use, or smoking status includes transferring a body fluid obtained from a patient to a sensor comprising a nano-scale surface structure to allow the body fluid to come in contact with the nano-scale surface structure, illuminating the body fluid and the nano-scale surface structure by a laser beam, scattering the laser beam by the body fluid and the nano-scale surface structure to produce a scattered light, and analyzing the scattered light using a spectral analyzer to diagnose a disease, the status of illicit-drug use, or smoking status in the patient.

The invention relates to a nitrogen-doped graphene oxide material and a preparation method thereof. By adopting the material, a part of carbon atoms in graphene oxide are replaced by nitrogen atoms. The preparation method comprises the following steps: firstly, pre-expanding graphite powder, and then obtaining nitrogen-doped graphite powder by doping a nitrogen element into the obtained pre-expanded graphite powder; obtaining nitrogen-doped graphene oxide by using an oxidation-stripping method, and then obtaining the nitrogen-doped graphene oxide material by ultrasonic dispersion. Compared with the prior art, the nitrogen-doped graphene oxide disclosed by the invention not only can be rapidly and cheaply prepared into high-quality graphene by a reduction process under a mild condition, but also can display new characteristics, so as to expand the application field.

A cleaning machine for floors and carpets includes a vacuum pick-up in front of the machine for suctioning loose material and debris off the floor. A microfiber cleaning assembly is mounted beneath the machine for cleaning the floor following the vacuum pick-up. The microfiber cleaning element may be motor driven. A source of solution delivers a controlled amount of solution or water to moisten the microfiber cloth. A vacuum motor provides suction to the forward vacuum pick-up, routes the suctioned air through a filter, and the filtered air is then delivered to an air diffuser to dry any residual moisture behind the microfiber cleaning assembly. The microfiber cleaning assembly may have two offset pads driven by a reciprocating or oscillating drive, or one or two cylindrical rollers for receiving and securing the microfiber fabric in the form of a sleeve.

The invention discloses a preparation method and application of pH-responsive amino sodium lignosulphonate. The preparation method comprises the following steps: dissolving sodium lignosulphonate in water to prepare a sodium lignosulphonate water solution, regulating the pH of the solution to be 10-13, and activating at 50-70 DEG C for 0.5-1.0 hour; adding an amination modifier, dropwise adding an aldehyde reagent, and reacting at 70-90 DEG C for 2-4 hours after the dropwise adding, so as to obtain an amino sodium lignosulphonate water solution; extracting the obtained amino sodium lignosulphonate water solution by virtue of an alcohol reagent, washing residual solids by virtue of petroleum ether after the extraction, and carrying out freeze drying on washed remnants. The amino sodium lignosulphonate prepared by virtue of the preparation method has remarkable pH response characteristic; by regulating the pH of the water solution of the product, the molecular configuration and the aggregation extent of the product can be changed, and a regular nanoparticle structure can be spontaneously formed; the amino sodium lignosulphonate can be used as a wall material to be applied field of pesticide microcapsules and is hopefully applied to the field of lignin-based nanometer materials.

The invention provides a CSI-based indoor human body motion speed judgment model. The model comprises velocity magnitude and velocity direction, and is a solution to indoor positioning and tracking. The method mainly utilizes the characteristic of wireless signal multipath propagation and is characterized by obtaining a CSI ( channel state information) data, wherein the CSI data carries information reflecting external environmental characteristics, comprising actions produced when a person walks; according to the obtained CSI data, through related algorithms, removing noise and extracting walking information; obtaining velocity magnitude information through short-time Fourier transform, and obtaining velocity direction through a music algorithm; and determining walking direction information of the person through multiple-AP joint deployment, and thus complete speed information in the walking process of the person can be obtained. The speed model can realize high-precision indoor positioning and tracking.

The detection system is composed of network flow acquisition unit distributed at each terminal in network system, and network worm analytic unit setup at server. The former collects information into and out of the terminal in real time. After snapshot and standardized processes, data are transferred to the analytic unit. Under request of analytic unit, the acquisition unit delivers suspicious attacking sample and basic status information of terminal. The analytic unit carries out statistics and analysis for flow data provided by the acquisition unit. Based on threshold value of flow, the analytic unit determines whether the terminal is possible to be suffered from worm attack or to become an attacking source. Based on determined result, and under interaction with the acquisition unit, the analytic unit requests the acquisition unit to deliver the said sample and information to carry out querying and matching operation in order to make determination, meanwhile alarming is sent out.

Disclosed is an electron beam irradiation modification method of polylactic acid and the derivate of the polylactic acid. The polylactic acid and the derivate of the polylactic acid are made into the needed form which is put into the nitrogen or vacuum environment and then is modified by the electron beam irradiation in the room temperature with the amount of radiation agent of 10 to 220kGy. The polylactic acid and the derivate of the polylactic acid can be made into the forms of film, sheet, plate and bar which are radiated in low energy, middle energy or high energy electron beam. The energy of the low energy electron beam is0.15 to 0.5 Mev; the energy of the middle energy electron beam is over 0.5 to 5 MeV; the energy of the high energy electron beam is over 5 to 10 MeV. Sensitizer can be added in order to control the cross-linking level of the polylactic acid and the derivate of the polylactic acid further with a weight ratio of the sensitizer and the and the derivate of the polylactic acid of 0.5: 100 to 30:100.

The invention discloses a spherical attapulgite mesoporous composite carrier and its preparation method, a supported benzenesulfonic acid catalyst and its preparation method, a use of the supported benzenesulfonic acid catalyst in an esterification reaction, and a preparation method of ethyl acetate. The spherical attapulgite mesoporous composite carrier contains attapulgite and a mesoporous molecular sieve material having a three-dimensional tunnel structure. The spherical attapulgite mesoporous composite carrier has the average particle size of 20-50 microns, a specific surface area of 150-600 m<2>/g and a pore volume of 0.5-1.5ml/g, and has a bimodal pore diameter distribution mode and most probable pore diameters of 2-10nm and 20-40nm corresponding to two peaks. The supported benzenesulfonic acid catalyst has high catalytic activity and can be recycled.

The invention relates to a method for increasing the measuring range of an optical fibre gyro. The method comprises: the design of a double sensing ring light path, the double demodulation of a double sensing ring, increasing the spanning stripe measuring range, stripe recognition and speed correction. Based on the spanning stripe treatment, Sagnac with larger measuring range is used for judging interferometric fringe level of the work of the optical fibre gyro formed by Sagnac main sensing rings according to the output angular speed of the sensing rings, and the output angular speed of the Sagnac main sensing rings is corrected, thus increasing the measuring range of the optical fibre gyro, solving the problem that the optical fibre gyro can not be started by electricity in the condition of fast spinning and expanding the application field of the optical fibre gyro; especially, the application of the high precision optical fibre gyro has important significance.

The invention belongs to the field of probiotic application and particularly relates to application of an Akkermansia muciniphila BAA-835 strain in preparation for treating or preventing diabetes mellitus. According to the application, controlled experiments on C57/BL6 male SPF mouse littermates which are randomly divided into a control group and a strain gavage group are adopted, an Akkermansia muciniphila BAA-835 strain suspension gavage test is given to the strain gavage group once a day for 5 weeks. By means of the tests, the glucose tolerance area under the curve of the strain gavage group is reduced by 21.3 percent in comparison with that of the control group, which verifies that the Akkermansia muciniphila BAA-835 strain has an effect of improving glycometabolism and can be applied to the field of treatment or prevention of diabetes mellitus.

The invention discloses a composite nanometer material and making method of polyhexamethylene adipamide (nylon 66), which comprises the following parts: 100wt% nylon 66, 5-20wt% elastic body and 5-30wt% inorganic nanometer particle, wherein these materials are blended to fuse and squeeze under 260-280 deg. c. The invention balances the rigidity, flexibility and fire resistance and size stability, which expands the applying domain of nylon 66.

A light emitting unit includes a substrate, a first reflecting element, a light-emitting diode (LED), and a second reflecting element. At least one part of the substrate is light permeable. The LED is disposed between the substrate and the first reflecting element, and the first and second reflecting elements are disposed on two opposite sides of the substrate, respectively.

The invention relates to a high-temperature resistant porcelain imitation material and a production method thereof. The high-temperature resistant porcelain imitation material comprises the followingcomponents in percentage by weight: 30-35% of melamine formaldehyde resin, 0-10% of glass fiber, 55-65% of filler, 0-2% of coloring agent, 0.5-2% of curing agent and 0.5-3% of auxiliary agent. The production method of the high-temperature resistant porcelain imitation material comprises the steps of resin synthesizing, raw material mixing, wet material drying and dried material grinding and sieving. The porcelain imitation material which has vivid porcelain sensation and can resist the temperature of more than 220 DEG C is obtained by adjusting the formula of the molding material. The porcelain imitation material can be widely used for the industries of tableware, articles for daily use and the like, is especially suitable for products with higher high-temperature resistant requirements, such as electrothermal cookers and the like, makes up the defect of low temperature resistance of the original melamine molding material, and expands the application field of the melamine molding material.

The semi-solid compounding formation process for producing composite structure part as one advanced technological process includes the following steps: drying the alloy block for the part matrix at 80-120 deg.c, heating in a resistance furnace to smelt, standing for 20-30 after smelting completely, stirring the alloy liquid to obtain semi-solid slurry with homogeneous composition and high performance, forming semi-solid mold, and semi-solid forming at the speed of 70-120 mm/s and the temperature determined on the alloy in mold preheated to 200-300 deg.c, with the forming pressure of 400-600 KN being applied for 5-15 sec. The present invention has the advantages of short production process, formed product with shape near the end product, low power consumption and high product quality.

The invention belongs to the magnesium alloy surface treatment technical field, mainly relating to the following steps that: colouring additive metal cation Cu<2+> undergoes ammonia water complexation so as to generate Cu(NH3)2<2+> which is added in alkaline basic electrolyte with sodium silicate as main salt; and electrical parameters adapted to the electrolyte are set to simultaneously carry out micro-arc oxidation and colouring of magnesium alloy, thereby making a series of bottle-green ceramic membranes with excellent corrosion resistance and stable color and luster. Different electrolytes have different coloring effects on a film, and the luster of an oxide film is mainly determined by the metal oxide formed in the oxide film and the structure of the salt of the metal oxide.

The invention provides a collagen-based dura on the basis of a process-friendly type ion liquid on-site spinning technology, and a preparation method thereof. The preparation method comprises the steps of: dissolving I type collagen by a novel process-friendly solvent system-ion liquid and sodium salt composite system, fully soaking by taking decellularized pig dermis as a substrate through an electrolyte solution, carrying out electrostatic spinning by taking air as a medium, and regulating the pore structure of collagen fibers by adjusting the electrospinning conditions; removing residual ion liquid with a proper eluent, and carrying out freeze-drying, sterilization and packaging to obtain the collagen-based dura. The collagen-based dura has two or more layers of structures: the aperture of collagen fibers at one side close to brain tissue is controlled to be 3mu m and below, and the aperture of collagen fibers at one side far away from brain tissue is controlled to be 20mu m and above. Compared with the traditional solvent spinning, the preparation method is process-friendly, the toxic and side effects are reduced, and the triple-helical structure of the collagen can be furthest retained.

A shaving board manufacturing method includes the following steps of (1) cutting-off and sorting, (2) shaving preparation and classification, (3) shaving mixing, (4) sizing, (5) laying, (6) hot pressing and (7) after-treatment. Shaving boards are manufactured through puelia production. Compared with the prior art, the method has the advantages that (1) raw materials are widely used, puelia can be used independently for board manufacturing and can be mixed with other raw materials for board manufacturing, the application field of the puelia is widened, the problems of the deficiency and uncertainty of non-wood shaving board raw materials are solved, the design scale of a single production is enlarged, and production cost can be reduced; (2) various raw materials are precisely mixed through independent equipment, and the control level of the production line can be improved; (3) puelia shaving guarantees the uniformity and consistency of fibers by means of a smashing and precise grinding two-stage manufacturing mode, and the product yield is increased and subsequent processing performance is improved; (4) by means of distribution of the overall technology and equipment, the problem caused when puelia is applied to industrialization of board manufacturing is solved.