296results about How to "Low applicability" patented technology

A surgical endoscopic cuffing device includes cutting elements fitted in a protective tube. The device has an inlet for fluid, a discharge outlet for tissue and fluid, and a further outlet that discharges most of the fluid.

A surgical endoscopic cutting device includes cutting elements fitted in a protective tube. The device has an inlet for fluid, a discharge outlet for tissue and fluid, and a further outlet that discharges most of the fluid.

The invention provides a laser machining method applicable for a complicated curved surface. By adopting processing steps of dividing the complicated curved surface into curved surface sheets and establishing a coordinate system of each curved surface sheet, the subsequent processing steps of dividing sub blocks and machining pattern parallel projection can be implemented according to the coordinates of the curved surface sheets respectively, so the limit that a machining molded surface backing to a laser incident direction or a steep surface parallel to an optical axis direction cannot be machined because only one coordinate system is adopted to perform whole injection in the prior art can be overcome, the machining efficiency is improved and the machining applicable range is extended. The invention also provides a laser machining device. The laser machining device has a three-axis laser machining head structure provided with a two-axis laser polarization mirror and a Z-axis mobile mechanism, so the problem that the conventional system depends on a three-axis lathe is solved; therefore, a machining unit is independent and compact, and is easy to assemble and disassemble; the conventional five-axis linkage milling machine can be changed into a laser-etching machining lathe so that the functions are compatible; and the laser machining device has a significant practical value.

The invention provides a watershed hydrological model design method based on a storage capacity curve and a TOPMODEL, which comprises the following steps: calculating surface runoff yield; calculating subsurface runoff yield; calculating evapotranspiration; applying a water balance equation; establishing a convergence mechanism; generating isochrones; dynamically and visually expressing soil moisture; and coupling with a Noah land surface model (Noah LSM). The method has a high simulation deterministic coefficient, is advantageous over a semi-distributed model TOPMODEL, a Xinanjiang model and distributed hydrological models such as an engineering and science summer institute (ESSI) model, a hydrologic engineering center hydrologic modeling system (HEC-HMS) model and a soil and water assessment tool (SWAT) model in the simulation of a daily runoff process and the simulation of a flood process, and overcomes the drawback that the conventional watershed hydrological model is usually inapplicable to hydrological process accurate simulation under large-scale, arid and semiarid conditions. The model of the invention can be successfully coupled with Noah LSM and improves the rainfall, soil moisture and runoff broadcasting capacity of a service weather research forecast mode, namely global / regional assimiliation prediction system (GRAPES)-mesoscale(MESO).

A methodology for designing structured metamaterials that can reflect, absorb and focus the propagation of both scalar acoustic and vector elastic waves is described. Three exemplary representative inventions based on the disclosed invention are described, illustrating i) compact ultra-wide broadband isolation, ii) sub-wavelength gaps and negative index propagation utilizing a single material platform, and iii) a fundamentally new method of producing multiple high frequency spectral gaps. Such metamaterial designs possess a wide range of potential applications, ranging from but not limited to, isolating an entity from external mechanical or acoustical vibrations, compact focusing lenses as well as cascaded high frequency filters for wave shaping and nonlinear wave propagation control.

A mass analysis system including a low pressure dissociation region and a differential mobility spectrometer. The differential mobility spectrometer including at least one pair of filter electrodes defining an ion flow path where the filter electrodes generate an electric field for passing through a selected portion of the sample ions based on the mobility characteristics of the sample ions. The differential mobility spectrometer also includes a voltage source that provides DC and RF voltages to at least one of the filter electrodes to generate the electric field, an ion inlet that receives sample ions that have passed through the low pressure dissociation region, and an ion outlet that outputs the selected portion of the sample ions. A mass spectrometer receives some or all of the selected portion of the sample ions.

The present invention relates to methods of making fiber-reinforced molded articles and fiber mats, wherein the methods use, inter alia, anaerobic binders.

The present invention relates to a multifunctional doorbell with controllable lighting which comprises an outdoor member and an indoor member. The outdoor member and the indoor member communicate with each other by wireless signals. The indoor member comprises a power supply, a speaker, a light and sound control module and a lighting member. The light and sound control module is connected with the power supply. The lighting member and the speaker are both connected with the light and sound control panel. Based on the existing wireless doorbell system, the present multifunctional doorbell with controllable lighting could also alert occupants of a house to presence of visitors outdoor by way of lighting. Besides, the indoor member may be configured to switch on and off in response to ambient light conditions and thereby providing lighting at night.

A magnetically controlled welding method with consumable electrode features that a pair of exciting coils for upper and lower electrodes are arranged respectively above and under the workpiece to be welded, and an exciting power supply is used to provide the exciting current to said coils and generate an external vertical magnetic field for controlling and perform the welding to the workpiece protected by active gas or CO2. Its welding apparatus has exciting power supply, exciting unit and water cooling system.

Methods and apparatus are described for monocular 3D human pose estimation and tracking, which are able to recover poses of people in realistic street conditions captured using a monocular, potentially moving camera. Embodiments of the present invention provide a three-stage process involving estimating (10, 60, 110) a 3D pose of each of the multiple objects using an output of 2D tracking-by detection (50) and 2D viewpoint estimation (46). The present invention provides a sound Bayesian formulation to address the above problems. The present invention can provide articulated 3D tracking in realistic street conditions.The present invention provides methods and apparatus for people detection and 2D pose estimation combined with a dynamic motion prior. The present invention provides not only 2D pose estimation for people in side views, it goes beyond this by estimating poses in 3D from multiple viewpoints. The estimation of poses is done in monocular images, and does not require stereo images. Also the present invention does not require detection of characteristic poses of people.

A method of N-alkoxyalkylating ureides according to the invention comprises reacting a ureide of structure I with an alkylating agent of structure III in the presence of a basic catalyst in an aprotic reaction medium. The ureide may be a 5,5-disubstituted barbituric acid, or it may be phenytoin, glutethimide, and ethosuximide. The alkylating agent is an ester of a sulfonic acid. The base may be a hydride or amine. A preferred process comprises N-alkoxyalkylating 5,5-diphenyl-barbituric acid with methoxymethyl methanesulfonate in the presence of di-isopropyl ethyl amine and isolating the resultant N,N′-bismethoxymethyl-5,5-diphenyl-barbituric acid. The invention also contemplates the novel compounds N-methoxymethyl-5,5-diphenylbarbituric acid, N-methoxymethyl ethosuximide, and N-methoxymethyl glutethimide, and a method comprising administering them to a patient.

The invention discloses a production method of an aluminum and copper composite metal band. In the method, the aluminum and copper composite metal band is manufactured by anaerobic continuous casting and rolling of semisolid aluminum or aluminum alloy and a solid copper band. In the production method of the invention, the anaerobic metallurgical combination of the solid copper band and molten aluminum is realized, the aluminum oxidization problem is solved, the combined strength is high, and the aluminum and copper bonding strength is more than or equal to 100MPa; the continuous casting and rolling of the copper band and the molten aluminum are adopted to produce the aluminum and copper composite metal band, so the production efficiency is greatly improved by scores of times and the product quality is stable; the produced aluminum and copper composite metal band retains the original surface quality of the copper band, has a uniformly-thick copper layer and can be deeply processed by cold rolling; and the copper band and the molten aluminum, which comprise different components, can be used, and products are diversified and widely applicable. The method has the advantages that: the production process of the copper and aluminum composite band is advanced and comprises a few working procedures; and the energy-saving, material-saving and economic effects are obvious.

An SVC compensation strategy optimization method, comprising: calculating a weak voltage node in a fault state based on risk measure; calculating the weak voltage node in a normal state based on a static stability margin; and determining an optimal SVC distribution point and calculating the optimal configuration of SVC capacity. The SVC compensation strategy optimization method overcomes the defects in the prior art, such as low reliability, low optimization precision, poor applicability, etc., and has the advantages of high reliability, high optimization precision, and good applicability.

The invention discloses an automatic high-precision indoor rapid positioning method. A positioning system comprises a hardware system and a software system, the hardware system comprises a color image acquisition apparatus, a laser speckle projection apparatus, a laser speckle image acquisition apparatus, a holder control apparatus, a communication apparatus, and a central control apparatus, and the software system comprises a laser speckle projection system, a color image and laser speckle image acquisition system, an image processing system, an image matching system, a mode recognition system, a holder control system, a central control system, and a path planning and control system. According to the scheme of the method, software and hardware are combined, an indoor positioning device accomplishes intelligence and systematization of the whole process of personal / household service robot characteristic information acquisition and input, indoor object image acquisition and matching recognition, indoor object positioning, path planning, and robot motion control, and methods of indoor positioning and path planning and control are more accurate and efficient.

A direct assay is described using novel three-dimensional polymeric assemblies which change from a blue to red color when exposed to an analyte, in one case a flue virus. The assemblies are typically in the form of liposomes which can be maintained in a suspension, and show great intensity in their color changes. Their method of production is also described.

The invention discloses a self-microemulsion and a preparation method thereof, relates to a microemulsion and provides the self-microemulsion with the advantages of wide regional applicability, stable transmission, wide temperature range, high oil carrying amount and transparency as well as the preparation method thereof. The self-microemulsion consists of the following components in parts by mass: 10-40 parts of oil phase, 0-5 parts of oil phase emulsifying agent, 20-40 parts of main body emulsifying agent, 20-50 parts of assisted emulsifying agent, 5-15 parts of aqueous media, 0-2 parts of functional additive and 20-40 parts of main body emulsifying agent. The preparation method comprises the following steps of: feeding oil-soluble products into stirring equipment; adding carried oil and the oil phase emulsifying agent; mixing and heating the mixture until the mixture is dissolved for later use; adding the main body emulsifying agent, the assisted emulsifying agent, the aqueous media and the functional substance in another stirring equipment; stirring, mixing and heating the mixer until the mixture is dissolved for later use; and adding the dissolved aqueous phase in an oil phase vessel, stirring until the emulsion is transparent and cooling to be normal temperature to obtain a product.

The invention relates to the extraction and utilization of rosmarinus officinalis, and discloses a method for comprehensively extracting the rosmarinus officinalis and preparing a fat-soluble instant antioxidant. The method comprises the following steps of: mincing raw materials rosmarinus officinalis tender stems or leaves which are dried in shade, and distilling the minced rosmarinus officinalis tender stems or leaves by using water vapor to obtain rosmarinus officinalis essential oil and distillation residues; and performing percolation extraction on the distillation residues by using ethanol, performing ethanol recovery treatment on extracting solution, obtaining a water-soluble antioxidant from a water phase, dissolving precipitates by using a low-boiling solvent, and decreaming a carnosic acid into cooking oil after decoloring; and performing concentration, and recovering the solvent to obtain a fat-soluble instant antioxidant product with the carnosic acid content of 5 to 20 percent. The method has the advantages of high yield, full raw material utilization, low production cost and the like; and in addition, the application performance of a rosmarinus officinalis antioxidant product is greatly improved, and the rosmarinus officinalis antioxidant can be more conveniently and efficiently used.

The invention is related to the method for production of diamond electrode with improved stability for use in electrochemical reaction. The method concerns to the production of diamond electrodes where the diamond layer is composed of small sized grain, avoiding the delamination problems found in conventional diamond electrodes.

The invention provides a three-coordinate galvanometer scanning laser processing head, which comprises an XY two-axis laser galvanometer system, a clamping mechanism, a Z-axis moving mechanism, a laser displacement sensor and a control system, wherein the Z-axis moving mechanism comprises a fixed part and a moving part, and the clamping mechanism is fixedly mounted on the fixed part of the Z-axis moving mechanism; and the XY two-axis laser galvanometer system and the laser displacement sensor are fixedly mounted on the moving part of the Z-axis moving mechanism, and the laser displacement sensor, the Z-axis moving mechanism and the XY two-axis laser galvanometer system are all electrically connected with the control system. The laser processing head has the function of dynamic focal length setting, and has an independent and compact structure; the laser processing head has the broach interface design of a standard numerically-controlled machine tool, which enables the laser processing head to be easily assembled for processing with commercialized multi-axis synchronous numerically-controlled machine tools of a three-axis type, a five-axis type, and the like; and technological flexibility is greatly enhanced, and a conventional multi-axis synchronous numerically-controlled machine tool can be conveniently changed into a galvanometer scanning laser processing machine tool with compatible functions, thereby the three-coordinate galvanometer scanning laser processing head has important practical value.

Methods and apparatus are described for monocular 3D human pose estimation and tracking, which are able to recover poses of people in realistic street conditions captured using a monocular, potentially moving camera. Embodiments of the present invention provide a three-stage process involving estimating (10, 60, 110) a 3D pose of each of the multiple objects using an output of 2D tracking-by detection (50) and 2D viewpoint estimation (46). The present invention provides a sound Bayesian formulation to address the above problems. The present invention can provide articulated 3D tracking in realistic street conditions.The present invention provides methods and apparatus for people detection and 2D pose estimation combined with a dynamic motion prior. The present invention provides not only 2D pose estimation for people in side views, it goes beyond this by estimating poses in 3D from multiple viewpoints. The estimation of poses is done in monocular images, and does not require stereo images. Also the present invention does not require detection of characteristic poses of people.

A mass analysis system including a low pressure dissociation region and a differential mobility spectrometer. The differential mobility spectrometer including at least one pair of filter electrodes defining an ion flow path where the filter electrodes generate an electric field for passing through a selected portion of the sample ions based on the mobility characteristics of the sample ions. The differential mobility spectrometer also includes a voltage source that provides DC and RF voltages to at least one of the filter electrodes to generate the electric field, an ion inlet that receives sample ions that have passed through the low pressure dissociation region, and an ion outlet that outputs the selected portion of the sample ions. A mass spectrometer receives some or all of the selected portion of the sample ions.

The invention relates to the technical field of medical equipment, and especially relates to a sleep apnea monitoring and treatment system. The monitoring and treatment system comprises a breath airflow monitor for inducing a breath airflow, an oxyhemoglobin saturation monitor for detecting oxyhemoglobin saturation, an electrical stimulator for causing a human body genioglossus movement and receiving a submental muscle electrical signal, and calculation control equipment. The calculation control equipment is in communication connected with the breath airflow monitor and the oxyhemoglobin saturation monitor so as to collect a breath airflow signal and an oxyhemoglobin saturation signal, and the calculation control equipment is connected with the electrical stimulator so as to control the electrical stimulator to be switched between a function of causing the human body genioglossus movement and a function of receiving the submental muscle electrical signal. Therefore, the monitoring and treatment system of the invention can non-invasively and simply monitor occurrence of a sleep apnea condition, and can give treatments; and the system has high safety and applicability.

A composite method for measuring gas fluid flow, comprising the steps of: (a) providing a bypass pipe astride to a mechanical device for measuring gas fluid flow with a temperature sensor and a pressure sensor, (b) providing an MEMS flowrate sensor on the bypass pipe, (c) connecting the temperature sensor, the pressure sensor, the mechanical device for measuring gas fluid flow and the MEMS flowrate sensor to a data processing system, and (d) linking the data processing system with a data display system, wherein the measured data from the temperature sensor, the pressure sensor, the mechanical device for measuring gas fluid flow and the MEMS flowrate sensor is processed by the data processing system and gas fluid flow data is displayed by the data display system.

The invention relates to a data streaming apparatus for an RFID tag capable of streaming large scale data with low power consumption without a complicated structure. A mass storage is segmented into unit banks, and only the unit banks are selectively operated in a sequential manner. As a result, a tag capable of streaming large scale data with low power consumption can be provided.

Ionic liquids comprising a mixture of one or more triflate or bis(trifluoromethylsulfonyl)imide salt(s) with one or more Lewis acids(s), wherein the total of the molar contents of the Lewis acid(s) in the mixture is from about 0.01-98%, are provided, that are useful as catalysts in Lewis acid catalyzed reactions.

The present invention discloses process of preparing polycarbonate / acrylonitrile-ternary ethyl propylene rubber-styrene resin / laminated silicate nanometer composite material. The preparation process includes pre-mixing polycarbonate 55-80 weight portions, acrylonitrile-ternary ethyl propylene rubber-styrene resin 10-30 weight portions, flame retardant 1-10 weight portions, laminated silicate 1-10 weight portions, drippage resisting agent 0.1-2 weight portions and antioxidant 0.1-1 weight portion in a high speed mixer; and subsequent melting and extruding in an extruder. The composite material with montmorillonite of 5 weight portions has an increase in strength, modulus and thermal deformation temperature of 7 %, 11.3 % and 18.6 % separately compared with that before modification. The composite material has balanced comprehensive performance and may be used in electric appliance, electronic equipment and other fields.

The invention relates to a method and an apparatus for measuring the position and the orientation of an interventional device within a magnetic resonance imaging apparatus, the magnetic resonance image apparatus providing a static magnetic field B0 and magnetic field gradients with known magnetic flux densities and directions. The invention includes attaching a Faraday sensor to the interventional device, the Faraday sensor being connected to an optical measuring device. The method also includes using the optical measuring device for measuring the rotation of the plane of polarization of linearly polarized light in the Faraday sensor, while exposing the interventional device: (i) to the static magnetic field B0, and (ii) to the field gradients in all three directions of space in addition to the static magnetic field B0. The method also includes determining the position and the orientation of the interventional device by evaluating the measured rotation of the plane of polarization of the linearly polarized light.