96results about How to "Interfere" patented technology

An MRI antenna array including a housing and a substrate, antenna elements and circuitry encapsulated by the housing. The housing, antenna elements, and substrate are flexible to allow the housing to distort in three dimensions to closely conform to contours of a patient. The antenna elements are mounted to the substrate in a manner that permits each element to maintain a desired resonance when the housing is distorted in three dimensions. The circuitry is electrically coupled with the antenna elements to maintain tuning and isolation of the elements when the housing is distorted in three dimensions. The housing, antenna elements, and substrate may be elastic to allow the housing to be worn by a plurality of different sized patients so that the housing is in close contact with the patient and conforms to contours of the patient.

The present invention provides a method for the preparation of a cross-linked hydrophilic coating of a hydrophilic polymer on a substrate polymer surface of a medical device, involving the use of a polymer solution comprising 1-20% by weight of a hydrophilic polymer, 0-5% by weight of additive(s), and the balance of a vehicle with plasticizing effect on the hydrophilic polymer, wherein the vehicle comprises at least one plasticizer having a solubility in water of at least 6 g / L, a boiling point above 210° C. at 760 mmHg, and Hansen δH parameter of less than 20. Furthermore, the invention provides a medical device, e.g. a catheter or guide wire, provided with such a hydrophilic coating. The invention also provides the use of specific polymer solution for the preparation of a cross-linked hydrophilic coating.

This document provides methods and materials related to regulating inflammatory pathways. For example, compositions and kits containing two or more of an anticholinesterase compound, a choline compound, and a carnitine compound and methods for using the compositions and kits described herein to support acetylcholine function to regulate one or more inflammatory pathways are provided.

The invention discloses an ablation test method of a thermal protection structure of a high supersonic velocity aircraft. The ablation test method of the thermal protection structure of the high supersonic velocity aircraft includes the following steps: placing the thermal protection structure of the high supersonic velocity aircraft in an electric arc wind tunnel to conduct an ablation test. In the ablation test process, a computer utilizes a synchronous device to drive two cameras to conduct collection on an image pair, a filter device is adjusted in real-time to conduct light intensity adjustment to obtain an optical image quality when collection is conducted, and the computer processes the image pair which is collected at the same moment to obtain a three-dimensional morphology information of a measured object at the moment. According to three-dimensional morphology information of the measured object at different moment, ablation amount of the measured object is calculated. The ablation test method of the thermal protection structure of the high supersonic velocity aircraft is simple in operation and low in cost, can overcome extremely bad experiment conditions of the electric arc wind tunnel and can obtain surface morphology change course and ablation of the thermal protection structure of the high supersonic velocity aircraft in real-time.

The invention relates to the technical field of computer network security, and provides an automatic network switching method and an automatic network switching system. Data exchange between two networks is realized based on the physical isolation technology. The automatic network switching system comprises an outer net network, an intranet network, an exchange server and a network switching device, wherein the outer net network and the intranet network are respectively responsible for organizing outer net data and intranet data, and are used for the exchange server to extract and release thedata; the exchange server is used for controlling the switching of the network switching device and realizing the data exchange between the outer net network and the intranet network; and the networkswitching device is used for switching a network connected with the exchange server. The automatic network switching method and the automatic network switching system can realize the data exchange among different networks conveniently under the requirement of the physical isolation without generating interference on the prior network, and have low cost and simple and convenient use.

The invention discloses an NT-ProBNP detection kit. The NT-ProBNP detection kit comprises a calibrator, a cleaning solution, a substrate solution, a pretreatment solution, an enzyme conjugate workingsolution and a magnetic bead conjugate working solution; the pretreatment solution contains pyridine, the enzyme conjugate working solution contains NT-ProBNP antibody labeled by enzyme, and the magnetic bead conjugate working solution contains magnetic beads labeled by the NT-ProBNP antibody. The NT-ProBNP detection kit can accurately measure NT-ProBNP in a whole blood sample, the lowest limit detection of the kit is 20 pg / ml, the linearity range is 20-5,000 pg / ml, the detection sensitivity is high, the linearity range is wide, and the result is accurate. The invention further discloses a using method of the NT-ProBNP detection kit. The NT-ProBNP detection kit is simple in using step, the detection time of an NT-ProBNP is shortened, and quick and sensitive detection of the NT-ProBNP is achieved.

The invention provides a vehicle control method and system, and relates to the technical field of vehicle intelligent control. The vehicle control method comprises the following steps: receiving identity information of a pedestrian approaching a vehicle and distance information between the pedestrian and the vehicle; and when the identity information shows that the pedestrian is a vehicle owner and the distance between the pedestrian and the vehicle is smaller than a first preset distance, controlling to start a touch screen display system; responding to the instruction of the touch screen display system, controlling the vehicle to execute a corresponding action. According to the method and the system, the touch screen display system is arranged on the vehicle, and the functions of intelligent unlocking of the whole vehicle, intelligent projection and closing of the transparent touch screen system, touch control, intelligent locking of the whole vehicle, misoperation prevention of a vehicle washing mode and the like can be achieved under the condition that the view in the vehicle is not affected. On the premise that the functions are achieved, the vehicle control method and systemare not restrained by the appearance of the vehicle, do not need to be sealed, are visual and visible, and are not limited by the brightness of the external environment.

The invention discloses a core holder, which includes: a nonmetal high pressure resistant cylinder; a core component disposed in the cylinder; a left mandrel end seat assembly and a right mandrel end seat assembly that are respectively disposed at the left end and right end of the cylinder and are connected with the left end and the right end of the core component; a ring crush cavity formed by the cylinder, the core component, and the left mandrel end seat assembly and the right mandrel end seat assembly; and a left connecting sleeve and a right connecting sleeve, with the left connecting sleeve being used for connecting the cylinder left end and the left mandrel end seat assembly, and the right connecting sleeve being used for connecting the cylinder right end and the right mandrel end seat assembly. The core holder provided by the invention is difficult to leak, can withstand higher pressure, and can better meet the experimental requirements, thereby being more conducive to oil-gas exploration and development.

The invention discloses a shift register, an array substrate driving circuit and a display apparatus so as to realize that the shift register can carry out periodic discharging on a capacitor and an output terminal in a non-working region and ensure that a signal output by the shift register in the non-working region is zero and interference to whole frame display is not generated. The shift register comprises the capacitor, a first pull-up unit, a first drop-down unit, a first drop-down control unit, a second drop-down unit and a second drop-down control unit, wherein the capacitor is charged under the control of a triggering signal so as to provide a first driving control voltage; the first pull-up unit makes a first clock signal output under the control of the first driving control voltage; the first drop-down unit periodically carries out discharging on the capacitor; the first drop-down control unit makes the first drop-down control unit periodically carry out discharging on the capacitor under the control of the first clock signal and a second clock signal; the second drop-down unit periodically carries out discharging on the output terminal of the first pull-up unit; the second drop-down control unit makes the second drop-down unit carry out discharging on the output terminal of the first pull-up unit under the control of the first clock signal and the second clock signal.

The invention discloses a pushing method, a pushing device and a server. The pushing method comprises the following steps: obtaining position information of a non-coverable region in a video image in the server by an obtaining module; calculating position information of a display region according to the display size of pushing information and the position information of the non-coverable region by a calculation module, wherein the display region and the non-coverable region are not overlapped; sending the pushing information and the position information of the display region to a client by a pushing module, and displaying the pushing information in the display region. In the client, the display region and the non-coverable region are not overlapped, so that the pushing information from the server cannot be overlapped with additional information from a TV station and cannot cause interference to a user, and the user experience is improved.

The invention relates to a self-centering locking damping device suitable for a vehicle-mounted photoelectric turntable. An electric locking mechanism part of the device comprises a locking seat and three groups of linear motor locking mechanisms same in configuration and peripherally and uniformly distributed and mounted on a lower absorber mounting seat; the locking seat is fixedly connected to the bottom of an upper connecting flange part, the three groups of linear motor locking mechanisms are arranged on the lower absorber mounting seat at intervals; the upper part of an absorber component is fixedly connected to the upper connecting flange part; when the turntable is in a working mode, locking taper pins of the three groups of linear motor locking mechanisms are respectively inserted into three taper holes of the locking seat, such that a turntable connecting flange is rigidly connected to the absorber mounting seat; when the turntable is in a conveying mode, the locking taper pins of the three groups of linear motor locking mechanisms are separated from the taper holes of the locking seat, such that the turntable connecting flange is separated from the absorber mounting seat. The self-centering locking damping device has two capacities of stabilizing a base and facilitating conveying, and is high in locking precision and reliable in locking.

The invention provides a medical weight measuring device. The medical weight measuring device is placed below supporting columns, making contact with the ground, of a sickbed and is characterized in that the medical weight measuring device comprises at least one measuring part, a processing and display part and a control part; the measuring parts are placed under all the supporting columns respectively, and each measuring part comprises a weighing plate, a weighing sensor, an AD converter and a measuring side communication module; the processing and display part comprises a processing side communication module in communication with all the measuring side communication modules, a computing module, a storage module used for storing the initial weight of the sickbed, and a display module; the control part comprises a power supply control component, a zero setting control component and a computing control component; each measuring side communication module transmits weight data obtained through weighing of the corresponding weighing sensor to the processing side communication module; when a patient does not lies in the sickbed, the computing module performs sum operation to obtain the initial weight; when the patient lies in the sickbed, the computing module performs sum operation to obtain the total weight of the sickbed and the patient, and the weight of the patient is obtained after the initial weight is subtracted from the total weight.

The invention discloses a cTnI detection kit which comprises a calibration product, a cleanout fluid, a substrate solution, a pretreatment liquid, an enzyme conjugate working solution and a magnetic bead conjugate working solution, wherein the pretreatment liquid contains imidazole; the enzyme conjugate working solution contain an enzyme labeled cTnI antibody; and the magnetic bead conjugate working solution contains cTnI antibody labeled magnetic beads. The cTnI detection kit can realize accurate determination of cTnI in a whole blood sample, the detection steps are simplified, and the detection efficiency is improved. The lowest detection limit of the kit is 0.02ng / ml, the linear range is 0.02-50ng / ml, the detection sensitivity is high, the linear range is wide, and the detection resultis accurate. The invention further discloses a using method of the cTnI detection kit. The using method is simple in using steps, the detection time of the cTnI is effectively shortened, and rapid andsensitive detection of the cTnI is realized.

The invention provides an energy-saving automatic control device of a cloth-bag dust removal system and a control method for blast furnace dust removal. The energy-saving automatic control device comprises an input unit, a variable frequency drive unit, an execution unit and a PLC (programmable logic controller) control unit, wherein the input unit is composed of a fast acting fuse, a contactor and an electric reactor; the variable frequency drive unit consists of a rectification module and a capacitor, together with a braking unit, an inverter, a CPU (central processing unit) with a vector control function and a 220V power supply; the execution unit is composed of an electric reactor, a throttle rotary actuator and a throttle control device; the PLC control unit is composed of a PLC and an auxiliary circuit; the primary side of the rectification module of the variable frequency drive unit is connected with an output end of the electric reactor of the input unit and the secondary side of the rectification module is connected with the electric reactor of the execution unit through the capacitor and the inverter; the rectification module and the inverter are connected with the CPU through a bus, the CPU and the PLC are connected in a communication manner through a switching value and an analog quantity, and a throttle control end of the PLC unit is connected with the execution unit. Meanwhile, the device is used for controlling the blast furnace dust removal. By adopting the energy-saving automatic control device and the control method provided by the invention, the fan utilization can be improved, the accuracy control on the dust removal can be realized, the electric energy can be saved, heat productivity of the device can be reduced, the dust recovery rate can be improved, the cloth-bag damage rate can be reduced, and exhaust gas and dust emissions can be decreased.

An annular frictional engaging piston includes an annular pressure apply portion which pushes a frictional engagement element in an axial direction against urging force of a return spring that urges in a direction opposite the frictional engagement element, and which has a cutout portion where a portion in the circumferential direction has been removed to avoid interference between the piston and another member. A partially removed region is provided, and a mounting hole for mounting the return spring on the piston is provided in a region other than the partially removed region.

The invention provides an estimating method and the device for wireless channel in orthogonal frequency division multiplexing communication system. It judges if the OFDM symbol at reception end is front series or not, if it is front series, the method carries on the LS estimation based on front series; then selects key paths, (a) compares the channel impulsion response coefficient amplitude and the preset threshold, and selects an element of channel impulsion response which is not less than the threshold as the key path, the other transmission paths are abandoned, or (b) selects the element which is preset in quantity and has the maximal channel impulsion response amplitude as the key transmission path, abandons other paths; if it is not front series, it is OFDM data symbol, and carries on LS estimation based on guiding frequency in OFDM symbol to the selected transmission path. The obtained amplitude value and phase are the terminal channel estimation value.

The invention relates to medical apparatus. A mechanism for taking out an intravascular stent includes a hollow cylindric mechanism main body which is a shrinkable mechanism capable of radial shrinkage. The mechanism main body includes a hook head and at least two connecting ropes arranged along the circumferential direction. One end of each connecting rope is connected to the hook head and the other end of each connecting rope is an end for connecting an intravascular stent body. The length direction of the connecting ropes is from the hook head to the intravascular stent body in an inclinedand outward extending manner. The mechanism for taking out an intravascular stent and the intravascular stent are characterized in that (1) the disclosed mechanism is provided with the hook head thatcan be drawn into a catheter sheath conveniently, and the mechanism main body is the shrinkable mechanism capable of radial shrinkage so that the mechanism main body can be stored in and taken out ofthe catheter sheath conveniently, and also can be put into the catheter sheath and led into a blood vessel conveniently.

The invention discloses a preparation method of speckle and a characterization method for material microdomain deformation. The preparation method of the speckle comprises the following steps that (1)nanometer-sized speckle particle powder is prepared into a suspension; (2) after the suspension is subjected to standing for a period of time, an upper mother clear solution is taken for centrifugation to obtain a child clear solution; and (3) a substrate to be tested is placed in the child clear solution to enable speckle particle powder in the child clear solution to adhere to the surface of the substrate to be tested, and after drying, the speckle is prepared on the surface of the substrate to be tested. The characterization method for the material microdomain deformation comprises the following steps that (1) first the speckle is prepared on the surface of the substrate to be tested by using the preparation method of the speckle; (2) an initial SEM photograph and initial EBSD data ofthe substrate to be tested are obtained; (3) external force loading is performed on the substrate to be tested; (4) a deformation SEM photograph and deformation EBSD data of the substrate to be testedafter the deformation are obtained; and (5) the initial SEM photograph and the deformation SEM photograph are analyzed to obtain a strain field pattern. According to the preparation method of the speckle and the characterization method for the material microdomain deformation, a scanning electron microscope is successfully applied to a DIC experimental method.

The invention discloses a per-antenna rate control method and a system; wherein, the method comprises the steps that: a base station acquires the signal-to-interference-and-noise ratios of different transmitting antenna according to the feedback information of a mobile station and determines the modulation and coding modes adopted for each transmitting antenna according to the signal-to-interference-and-noise ratio; the balancing of the transmit power is carried out between different transmitting antennas according to the signal-to-interference-and-noise ratio of each antenna, the modulation and coding modes adopted for each transmitting antenna and the corresponding relation ensured by the target QoS. The invention can implement the balancing of the transmit power between different transmitting antennas so as to strive as much as possible to ensure that the transmission on each link meets the QoS requirement of the system without wasting the transmit power and causing the interference or strive as much as possible to ensure that each antenna uses the minimum transmit power required for acquiring the target QoS to carry out the transmitting according to the result of the adaptive modulation coding and QoS requirement of the system.

The invention belongs to the technical field of mobile communication, and particularly relates to a device and a method for detecting a flip cover or a sliding cover of a mobile terminal. The device for detecting the flip cover or the sliding cover of the mobile terminal comprises the flip cover or the sliding cover, a main board, a central processing unit, a light emitting device and a distance sensor, wherein the light emitting device is used for providing a light source, and the light source generated by the light emitting device is irradiated on the sliding cover or the flip cover to generate reflected light; the distance sensor is used for detecting the signal intensity of the reflected light reflected from the sliding cover or the flip cover and converting the signal intensity of the reflected light into a distance between the flip cover or the sliding cover and the distance sensor; and when predetermined conditions are reached, the distance sensor sends an interrupt signal to inform the central processing unit that the mobile terminal generates flip cover or sliding cover action. The device and the method have the advantages that: the device and the method can accurately detect whether the flip cover or the sliding cover is opened in the mobile terminal, do not produce interference to the mobile terminal provided with an e-Compass (electronic guide or electronic compass) at the same time, and are convenient for a user to use.

The invention discloses a self-excited vibration principle-based microstructural fatigue test device which comprises an insulating supporting base, a microtest piece, two direct-current driving electrodes and a substrate, wherein the insulating supporting base is neither connected with any electrode nor grounded, and is in a potential floating state; one end of the microtest piece is fixedly arranged on the insulating supporting base, and the other end is in a horizontal suspension state; a certain clearance is kept between the two direct-current driving electrodes, and the two direct-current driving electrodes are arranged at two sides of the microtest piece and are in parallel to the microtest piece, wherein one direct-current driving electrode is connected into direct-current positive voltage, and the other direct-current driving electrode is connected into direct-current negative voltage; the insulating supporting base and the direct-current driving electrodes are fixedly arranged on the substrate. The self-excited vibration principle-based microstructural fatigue test device is simple in structure, and avoids the problems of being difficult to clamp and align; a large enough low-cycle fatigue test load can be provided without the need of prefabricating a gap on the microtest piece or placing the microtest piece in the vacuum environment; the fatigue tests of a plurality of microtest pieces can be simultaneously performed with relatively low cost, and the load cycle number can be conveniently recorded.

The invention discloses a power module and a vehicle with the same. The power module comprises a shell, a power chip, a first heat radiation substrate and a second heat radiation substrate. An accommodation cavity is defined in the shell and is filled with insulation material. The first heat radiation substrate and the second heat radiation substrate are oppositely arranged. The power chip, the first heat radiation substrate and the second heat radiation substrate are all positioned in the accommodation cavity and are covered by the insulation material. The first heat radiation substrate and the second heat radiation substrate are arranged on the upper surface and the lower surface of the power chip respectively. A collector electrode is led out of the second heat radiation substrate, an emitting electrode is led out of the first heat radiation substrate, and a gate electrode is led out of the power chip. According to the power module provided by the embodiment of the invention, the upper and lower surfaces of the power chip achieve heat radiation at the same time, so that the heat radiation performance of the power module is greatly enhanced, thereby improving the reliability of the power module, and by arranging the insulation material in the shell, the effect of electrical insulation is achieved, devices in the shell are prevented from interference, and independent electrical features of each device are ensured.

The invention discloses a C / C composite material bone fracture plate and a preparation method thereof. The C / C composite material bone fracture plate is composed of a C / C composite material base whichis formed by sequentially and alternately overlapping 0-degee non-woven fabric, carbon fiber net blanks and 90-degree non-woven fabric; needled carbon fiber is filled among layers of the C / C composite material base; the surface of the C / C composite material base is covered by a pyrolytic carbon layer; resin carbon is filled outside the pyrolytic carbon layer. The C / C composite material bone fracture plate is high in biological compatibility and fatigue performance, close to human bone in mechanical properties, and free from interference and blocking effects on MRI (magnetic resonance imaging), CT (computed tomography) and X-ray examinations and the like.

The invention discloses a simultaneous phosphorus and nitrogen removal method for micro-polluted water. The method comprises the following steps: step 1, allowing raw water to enter a mixing zone at the bottom of a reactor; step 2, allowing the mixed solution to enter a lifting zone isolation hood under drive of an impeller of a mechanical lifting device; step 3, allowing the mixed solution to enter a mud layer reaction zone between a sleeve and an inner wall of the reactor after the mixed solution enters the lower part of the reactor, wherein diatomite is arranged in the mud layer reaction zone; step 4, allowing mud pie collected in the mud layer reaction zone to enter the mixing zone under the action of gravity along with a guide plate at the bottom of the reactor; step 5, performing intermittent reflux recoil by virtue of a recoil pipeline arranged at the bottom of the mixing zone. According to the process, the problem that phosphorus and nitrogen in the micro-polluted water exceed the standard is effectively solved, water eutrophication caused by standard exceeding of phosphorus and nitrogen can be prevented by virtue of phosphorus and nitrogen removal, and the method is suitable for deep phosphorus and nitrogen removal in rivers, lakes and other landscape water bodies.

The invention provides a method for eliminating a shadow region of a mobile subscriber by using multiple antennae of multiple base station terminals. The method comprises the following steps of: a. analyzing a channel matrix from a base station to a subscriber; b. judging the receiving signal to noise ratio of the subscriber under the condition that subscriber noise power is supposed to be known; c. judging whether the subscriber meets single-cell service condition according to the receiving signal to noise ratio of the subscriber; if so, entering a step d; and otherwise, entering a step e; d. servicing the subscriber only by the station of the current cell, and performing space division multiplexing for the subscriber in the current cell by a base station antenna; e. servicing the subscriber by the base stations of a plurality of cells, and performing space division multiplexing for the subscriber by base station antennae, and servicing the subscriber by different weave beams formed by multiple antennae of base stations of adjacent cells; and f. calculating a wave beam forming vector according to a service mode. The method is favorable for effectively eliminating the shadow region, reducing the complexity of scheduling multiple antennae of the base stations and improving communication quantity.

The invention discloses a method for signal channel estimation denoising post-treatment in a multiantenna system, which comprises the following steps: obtaining a signal channel estimation result * of the multiantenna system, wherein the signal channel estimation result * comprises signal channel estimation results * of K users, namely, *=[ *1, *2, ellipsis, and *K], and k=1, 2, ellipsis, and k; obtaining a beamforming combination result *K of the multiantenna signal estimation of a user k and sequentially arranging the beamforming combination results of the users to obtain a row vector *=[*1,*2, ellipsis, and *K]; denoising the row vector * to obtain a denoised signal estimation result *; and according to a tap position set to zero in the denoised signal estimation result *, setting a corresponding position in the signal estimation result * to zero and outputting the signal estimation obtained after zero setting. The invention also discloses a device for signal channel estimation denoising post-treatment in the multiantenna system. The proposal of the invention can fully use the denoising capacity of multiple antennae and effectively improve the accuracy of the signal channel estimation denoising post-treatment.

The invention relates to a heavy metal removal preparation, and a synthesis method and an application thereof. The synthesis method comprises the following steps: one-pot synthesis of the heavy metalremoval preparation from dichloroalkane, ammonia and carbon disulfide in the presence of an alkaline substance especially a weakly alkaline substance, and distillation off of the remaining ammonia. The synthesis of the heavy metal removal preparation of the invention adopts the dichloroalkane and ammonia with low prices as raw materials, and is obtained through a two-step or one-step reaction by the one-pot process, so the cost is low, and the yield is high. The synthesis method breaks through the abuses and defects of the prior art using ethylenediamine as a raw material, and significantly reduces the production cost; and the prepared heavy metal removal preparation still maintains a stable heavy metal removal performance under an extremely low pH condition, and plays a great role in theremoval of heavy metals from wastewater in actual electroplating and smelting industries.

The invention relates to a zero-voltage control circuit for small signals. The circuit comprises a first operational amplifier, a second operational amplifier, a third operational amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first transistor, a first exclusive-OR gate, a second exclusive-OR gate, a third exclusive-OR gate, an optical coupler, a first power source and a second power source. The zero-voltage control circuit for the small signals achieves zero-voltage detection on the small signals, detection accuracy is high, various isolation protection means are adopted, and therefore no interference will happen to an external circuit, the signal deviation problem does not exist, and zero-voltage control over data output is achieved well.

The invention discloses a culture medium for culturing astroglia cells in vitro and a culture method and belongs to the field of cell culture. According to the culture medium, an epidermal growth factor, a fibroblast growth factor, SAG and Purmorphamine are added into an astroglia cell culture medium, so that the in-vitro culture time of the astroglia cells can be remarkably prolonged, the numberof time of passage is increased, the purity is improved and original properties of the astroglia cells can be kept. The inventor researches and finds out that the culture medium disclosed by the invention can be used across generations, and the astroglia cells are passed to 1 to 3 generations. The purity of the astroglia cells, which are cultured to 12 generations, is greater than 95 percent and the original properties of the astroglia cells can be kept.