54results about How to "Avoid interference" patented technology

A wireless link provides an extension to cable television signals for a television receiver that does not have access to a coaxial cable. Analog and digital cable channels are processed and transmitted over the wireless link. Security of the signal is provided by transmitting encrypted data and decrypting at the receiving node. The conditional access encryption inherent in the data can insure communication security or encryption may be performed at the transmitting node.

The invention discloses a high water-solubility ruthenium metal complex singlet oxygen fluorescent probe, a preparation method thereof, and an application thereof. According to the invention, a transition metal ruthenium is adopted as a central ion of the ruthenium complex; and anthracene nucleus derivatives with sodium (or potassium) sulfonate groups are adopted as ligands. The ruthenium complex has properties of a singlet oxygen fluorescent probe and a better water-solubility than existing anthracene nucleus derivative ligand ruthenium complexes. The ruthenium complex is suitable for quantitative or qualitative determinations of <1>O2 in neutral or basic system solutions.

The invention discloses a DNA motor capable of realizing in-situ acceleration in living cells as well as a preparation method and application thereof, and belongs to the technical field of living cellimaging. The invention innovatively designs and prepares the DNA motor capable of realizing the in-situ acceleration in the living cells; gold nanoparticles AuNP are used as carriers; three kinds ofDNA chains are loaded on the carriers; an integral structure is formed; the integral structure can avoid the cytoplasm diffusion limitation; the living cell endogenous injury basic group repair enzymedriving is realized; any substances do not need to be additionally provided for cells; the interference caused by cell difference and complicated environment in cells can be avoided; the high-sensitivity kinetic acceleration living cell imaging and detection is realized, so that the DNA motor can be better applied to a self calibration DNA walking machine developing the living cell endogenous enzyme drive; the high-sensitivity precise imaging analysis of a single cell low-abundance target is realized.

The invention discloses citrus puer tea leaf preparation equipment. The equipment structurally comprises a bottom ring; an open ring inner cavity is formed in the bottom ring; a top shaft is fixedly arranged on the end wall of the ring inner cavity; a side fixed box body is fixedly arranged on the upper end face of the top shaft; a clamped side inner cavity is formed in the side fixed box body; amiddle column body is fixedly arranged in the end wall of the side inner cavity and penetrates through the side fixed box body; a movable clamping device used for clamping citruses is arranged on oneside of the side fixed box body; and a topping and cutting device used for cutting and topping the citruses is arranged in the side inner cavity. The equipment adopts the design of the movable clamping device, the topping and cutting device and a top clamping device, so that the equipment can perform stable clamping, topping and automatic citrus top removal functions according to the citruses of different specifications, the automation level of the equipment is greatly improved, and the labor burden of personnel is reduced.

The embodiment of the invention discloses an electrocardiogram signal classification method and a device. The method comprises the following steps: carrying out heart beat cutting on electrocardiogramsignals to be classified so as to obtain heart beat data, wherein the heart beat data is time-domain heart beat data; then, converting the heart beat data to obtain frequency-domain heart beat data,and extracting statistical characteristics and sampling characteristics of the heart beat data and the frequency-domain heart beat data as the heart beat characteristics of the heart beat data; identifying invalid heart beat data according to the heart beat characteristics of the heart beat data so as to remove the invalid heart beat data from the heart beat data and to obtain updated heart beat data; and inputting the heart beat characteristics of the updated heart beat data into a heart beat classification model to obtain a classification result of the heart beat data. The invention performsclassification by using the heart beat characteristics peculiar to each heart beat data. Compared with the prior art that classification is carried out by sampling a fixed threshold value, the methodimproves the classification accuracy.

The invention relates to a method for predicting a 10% point of the first atmospheric pressure for an atmospheric tower in an atmospheric and vacuum distillation unit, and mainly solves the problem that no soft measurement method for the 10% point of the first atmospheric pressure exists in the prior art. The method for predicting a 10% point of the first atmospheric pressure for an atmospheric tower in an atmospheric and vacuum distillation unit is adopted to predict the 10% point of the first atmospheric pressure through the login of a prediction system, the prediction system is installed on a server which is connected with a real-time database system and the server of an LIMS system through cables respectively, and clients adopt authorized computers and mobile terminals; the above technical scheme can solve the problem better, and the method for predicting a 10% point of the first atmospheric pressure for an atmospheric tower in an atmospheric and vacuum distillation unit can be applied in the atmospheric and vacuum distillation unit.

The invention relates to a test device and method for simulating stratum displacement caused by double-circle shield tunnel construction, and belongs to the field of civil engineering tests. The device comprises a transparent model box filled with transparent soil, a double-circle tunnel model, a tractor, laser emitters and cameras. The double-circle tunnel model horizontally penetrates through the transparent model box and comprises a transparent double-circle supporting column and a transparent double-circle pipe which are sleeved with each other and can slide relatively, and the transparentdouble-circle supporting column and the transparent double-circle pipe which are located in the transparent model box are embedded into transparent soil. The tractor is located outside the transparent model box and connected with the transparent double-circular pipe so as to discontinuously pull the transparent double-circular pipe to be horizontally drawn. The two laser emitters and the two cameras are arranged at the periphery of the transparent model box in a manner of corresponding to the transparent double-circular pipe, one laser emitter and one camera are arranged at the two sides of the drawing direction of the transparent double-circular pipe respectively, and the other laser emitter and the other camera are arranged at the two sides of the direction vertical to the drawing direction of the transparent double-circular pipe respectively. Operation is convenient, the structure is simple, and the simulation effect is visual and accurate.

The invention discloses a method using ATP bioluminescence reaction to detect shigella dysenteriae. The method includes: mixing a to-be-detected sample and a PBS buffer solution, centrifuging to obtain initial supernate, adding a digestive fluid to perform water-bath heating reaction, centrifuging again to obtain digestive supernate, performing suction filtration, soaking the filter membrane intoATP release liquid to perform vibrating extraction to obtain ATP extract, mixing prepared luminescence reaction liquid and the ATP extract in a luminescence reaction tube, and placing into an ATP fluorescent detector to detect luminescence intensity so as to fast detect the shigella dysenteriae in food. The method is simple, quick, high in sensitivity, capable of accurately detecting whether the food contains the shigella dysenteriae or not and the relative content of the shigella dysenteriae and capable of greatly promoting the improving of the food safety detection technology.

The invention discloses a simple type floating support combination mechanism. The simple type floating support combination mechanism comprises a rectangle fixing block, a floating block and a fastening sunk screw, wherein a rectangle mounting seat is arranged at the bottom of the rectangle fixing block, a positing hole is formed in the bottom of the rectangle mounting seat, a spherical groove is formed in the top of the rectangle fixing block, a tapped blind hole which extends downwards is formed in the middle of the spherical groove, the floating block is a hemispheric block matched with the spherical groove and right placed in the spherical groove, a sunk slotted hole corresponding to the position of the tapped bind hole is formed in the middle of the top face of the hemispheric block, the left side and the right side of the top face of the hemispheric block respectively extend upwards so as to form crescent work piece support faces, the fastening sunk screw connects the rectangle fixing block with the floating block, a hollow area is arranged in the middle of the rectangle fixing block, and weight reduction oblique angles are formed at four corners of the top of the rectangle fixing block. The simple type floating support combination mechanism is specially used for supporting a work piece with a rough bottom face, can reliably position the work piece by using a pressing block in combination, and prevents the work piece from swinging during the drilling process.

The invention provides a novel vacuum circuit breaker insulating sheath, and relates to the technical field of breaker protective sleeves. The novel vacuum circuit breaker insulating sheath comprisesa rear-end insulating sheath, the left side of the rear-end insulating sheath is fixedly connected with a front-end insulating sheath, the left side of the front-end insulating sheath is provided witha wire fixing component, the bottom of the rear-end insulating sheath is in threaded connection with an insulating sheath fixing seat, and the upper end of the insulating sheath fixing seat is in threaded connection with a protective nut. After the insulating sheath is assembled, a rubber strip clamping strip is clamped with a sealing rubber strip, so that the connection between the shells of theinsulating sheath has the good sealing performance, moisture and dust in external air can be effectively avoided, the joint of the circuit breaker is protected from being interfered, and the servicelife of the vacuum circuit breaker can be effectively prolonged.

The invention relates to a brushless passive hard winding and unwinding device for a signal wire of an eddy current probe of a nuclear power plant. The winding and unwinding device comprises a base plate, the base plate is fixedly provided with wire passing grooves, a vertical upward extending part is arranged in the middle of the wire passing grooves, the top end of the extending part is providedwith a wire outlet, the bottom end of the extending part is provided with a wire inlet, the tail ends of the wire passing grooves are communicated with wire storage grooves, the wire storage groovesare upwarped by a certain height along the wire passing grooves, and the height is better the height by which the wire to be stored are upwarped in the wire storage grooves due to the deflection torque. According to the winding and unwinding device, the problem that signal transmission adopts switching can be solved, signal acquisition is directly carried out from the probe to an eddy current instrument, so that the signal analysis is improved to be in a non-destructive state from a state with the signal-to-noise ratio, and therefore the signal quality is improved, the structure is simple, andthe manufacturing cost, the maintenance cost and the trouble removal difficulty are greatly lowered.

The invention discloses a micro-power wireless frequency-locking communication method and apparatus, aiming at overcoming the drop of communication quality or abnormal operation in the communication process which is caused by interference of multiple signals in the process of micro-power wireless communication. According to the embodiments of the invention, the method includes the following steps: alternating between at least two channels at preset interval through a frequency hopping timer, scanning the lead codes of the channels and saving the RSSIs of the lead codes that are obtained by scanning; after scanning all the channels for all preset rounds, determining the priorities of the channels that have lead codes scanned in each round; when there is the channel and the only one channel that has the highest priority, locking the channel that has the highest priority and receiving data; when there are at least two channels that have the highest priories, determining the magnitudes of the RSSIs of the at least two channels, and locking the channel that has the maximum RSSI and receiving data.

The invention discloses a non-rare earth impurity and rare earth element extraction and separation method. The method comprises the steps that at first, N235 is adopted for extracting and separating iron in rare earth feed liquid, then a sediment iron removing method is used for eliminating the iron in the rare earth feed liquid completely further, and then unsaponifiable naphthenic acid is adopted for extracting and separating aluminum in the feed liquid; the rare earth feed liquid obtained after the iron and aluminum are separated is extracted and grouped by adopting an extraction agent P507-N235, heavy rare earth elements are separated from light and medium rare earth elements, for feed liquid containing the heavy rare earth elements, unsaponifiable naphthenic acid is adopted for separating yttrium and other heavy rare earth elements, for feed liquid containing the light rare earth elements, the extraction agent P507-N235 is adopted for extracting, grouping and separating calcium, magnesium and the light rare earth elements, and the extraction agent P507-N235 continues to be used for separating other rare earth elements one by one. According to the method, non-rare earth impurities such as iron, aluminum, calcium, magnesium and the rare earth elements are separated completely, acid is utilized comprehensively, the adopted extraction agent does not need to be saponified and can be used directly and circularly, an acid reagent and an alkaline reagent do not need to be added in the extraction process, and the separation cost is very low.

The application discloses an electronic device as well as a control method and a control device. The electronic device comprises a display screen and a structured light assembly, wherein the display screen comprises a display area; a front side and a back side which are opposite to each other are formed in the display area; the display screen comprises a first sub-screen and a second sub-screen which are controlled independently, and are of different types; a first sub-display area is formed through the first sub-screen; a second sub-display area is formed through the second sub-screen; the structured light assembly comprises a structured light camera; the structured light camera is arranged on one side on which the back side of the camera is positioned; and the structured light camera isused for receiving modulated laser light passing through the first sub-display area. When the structured light camera is started, a first display time sequence of the first sub-display area is staggered with an effective working state corresponding to the exposure sequence of the structured light camera. The structured light camera is arranged on one side on which the back side of the display screen is positioned, so that the display screen does not need to be provided with an opening aligned with the structured light camera, and the screen-to-body ratio of the electronic device is improved.

The invention relates to a speed-controlled appliance and a method of filtering noise therein. the method includes: acquiring a user's speed control command information; comparing the speed control command information to reference ambient noise information, and separating ambient noise information from the speed control command information; comparing the speed control command information with the ambient noise information removed to a preset command word list, acquiring a matching command word, and recognizing the user's valid command. The speed-controlled appliance and the method of filtering noise therein have the advantages that the interference of the ambient noise of the speed-controlled appliance upon speech command recognition accuracy is avoided and speed control is smoother and more reliable.

The invention discloses a transparent display device and a display method thereof, and relates to the technical field of display. In order to solve the problems that under the condition that an existing transparent display device is applied to color backgrounds, the frame display effect is poor, and user experiences are poor. The transparent display device comprises a transparent display panel, alight ray control module and a controller, wherein the transparent display panel can be switched between a display state and a transparent state; the light ray control module is located on the non-display side of the transparent display panel, and can be switched between a first light-transmitting state and a second light-transmitting state, when the light ray control module is in the first light-transmitting state, a transmission route of incident light rays cannot be changed, and when the light ray control module is in the second light-transmitting state, the transmission route of the incident light rays can be changed; the controller is used for controlling the light ray control module to be in the second light-transmitting state when the transparent display panel is in the display state and controlling the light ray control module to be in the first light-transmitting state when the transparent display panel is in the transparent state. The transparent display device is used for transparent displaying.

The invention provides a water-surface aircraft single-hull model pool towing test device and method. The test device comprises a single-hull model 1, a trailer 14, a measuring bridge 7, a slide device, a sensor system and a load simulation system. In the water-surface aircraft single-hull model pool test process, the test speed is mainly controlled by the trailer 14; a heaving rod 4 and a pulley 3 are utilized to ensure the single-hull model 1 to be able to realize free motion in longitudinal and transverse directions; at the center of gravity, the model is allowed to realize free rotation in the pitching direction through a hinge mode of a hinge base 10; and yawing movement of the model in the test process is prevented through a navigation bar 6. A gravity center connecting rod is utilized to connect the model; and since the gravity center connecting rod is always vertical and can move freely in the vertical direction, and the lower end thereof is hinged with the test model, the drag force can be always kept in the horizontal direction without applying upward or downward force to the model, and interference to the test model is prevented.

The invention discloses a method for measuring the perpendicularity of a precast concrete tower drum. The method comprises the steps: 1, erecting an X-direction theodolite (11) and a Y-direction theodolite (12) which are perpendicular to a connecting line of the center of the bottom surface of the tower drum outside the tower drum (2); 2, measuring a first horizontal distance Sx and a second horizontal distance Sy between the two theodolites and the outer wall of the tower at the same height; 3, measuring an X-direction eccentric included angle between the center of the top surface and the center of the bottom surface of the tower drum through the X-direction theodolite, and calculating an X-direction horizontal eccentric distance [delta]x; 4, measuring a Y-direction eccentric included angle between the center of the top surface and the center of the bottom surface of the tower drum through the Y-direction theodolite, and calculating a Y-direction horizontal eccentric distance [delta]y; 5, calculating the total eccentric distance [delta]h=(([delta]x)<2>+([delta]x)<2>)<1/2> between the center of the top surface and the center of the bottom surface of the tower drum; and 6, calculating the perpendicularity [delta]h/H of the tower drum. The perpendicularity of the tower drum can be rapidly measured and calculated, and the construction efficiency can be improved.

The invention relates to the technical field of power systems, and particularly discloses a power system deep ultraviolet arc light monitoring and protecting device which comprises an acquisition unitand an industrial control unit in communication connection with the acquisition unit, wherein the acquisition unit comprises an arc light acquisition module, a current acquisition module and a temperature acquisition module, the industrial control unit comprises a signal processing module, the arc light acquisition module is in communication connection with the signal processing module through anoptical fiber, the current acquisition module is in communication connection with the signal acquisition module through a cable, and the temperature acquisition module is in communication connectionwith the signal processing module. By detecting the arc light and the fault current, the total fault removal time is controlled within the bearable arcing time of the switch cabinet, the harm caused by arc light short circuit is reduced to the minimum, the interference of other light except the arc light can be effectively avoided, nearby workers are protected against the harm of the arc light tohuman bodies, and the power failure time of users is reduced to the maximum extent.

The invention discloses a wireless rechargeable intraperitoneal magnetic anchoring visual surgical robot, relates to a visual robot, and solves the problems in an existing laparoscopic technology that examining guidance is carried out through an endoscopy, the working labor intensity is large, the view range of the endoscopy is difficultly adjusted, and the operating difficulty is increased as certain interference can also be generated between the endoscopy and a surgical instrument. The wireless rechargeable intraperitoneal magnetic anchoring visual surgical robot comprises a shell, a cleaning base body, a three-section shaft structure, a hanging support, a motor, a damper, a crank-sliding block mechanism, a camera module, a wireless transceiver module, a center control circuit module, two permanent magnets, two sets of rechargeable battery groups, two fixing shafts and multiple LED (Light Emitting Diode) lamps, wherein the crank-sliding block mechanism comprises a driving shaft, a crank, a connecting rod I, a sliding block, a connecting rod II, a guiding rail, a crown gear, a spur gear, a first cylindrical gear and a second cylindrical gear. The wireless rechargeable intraperitoneal magnetic anchoring visual surgical robot disclosed by the invention is used for a peritoneal minimally invasive surgery.

The invention discloses a chemiluminescence probe capable of measuring hydroxyl radical (.OH) in an atmospheric particulate matter (PM2.5) sample and a sensing analysis method of the chemiluminescenceprobe. The chemiluminescence probe is amination cage polyhedral oligomeric silsesquioxane (Amino-POSS) bonded with a PDI (perylene diimide derivative) dye, and hereinafter is referred as Amino-POSS-PDI; and the Amino-POSS only shows excellent chemiluminescence selectivity to the .OH in a variety of reactive oxygen components and oxidants, and after PDI dye molecules with the high luminescence efficiency are bonded, the chemiluminescence sensing response is further enhanced due to the intramolecular chemiluminescence energy transfer phenomenon. The sensing analysis method can detect the .OH atthe pH of 2.0-7.0, and the detection limit is as low as 7.1*10<-8> mol/L; and according to the chemiluminescence probe capable of measuring the hydroxyl radical (.OH) in the atmospheric particulate matter (PM2.5) sample and the sensing analysis method of the chemiluminescence probe, interference of other reactive oxygen compositions in the PM2.5 is avoided, the sensitivity of the sensing analysismethod is high, apparatus is simple, operation is convenient and easy, and the .OH in the PM2.5 is successfully detected.

The invention discloses a bioreactor for online automatic pH control. The bioreactor comprises a data acquisition controller, an alkali storage tank, an acid storage tank, a regulation tank and a biological reaction tank, wherein the data acquisition controller comprises a pH acquisition unit, a liquid level acquisition unit and an electromagnetic valve which are connected with a peristaltic pump control unit; the alkali storage tank and the acid storage tank are connected with the regulation tank and the biological reaction tank through a pipeline with an electromagnetic valve; a liquid inlet of the regulation tank is connected with the biological reaction tank through a pipeline with a peristaltic pump, and a liquid outlet is connected with the biological reaction tank through the pipeline with an electromagnetic valve; the regulation tank is provided with a pH meter and a liquid level meter; the biological reaction tank is provided with a gas outlet, a stirrer and a liquid level meter; the pH meter is connected with the pH acquisition unit; the liquid level meter is connected with the liquid level acquisition unit; the electromagnetic valve and the peristaltic pump are connected with the electromagnetic valve and the peristaltic pump control unit. The bioreactor disclosed by the invention can effectively realize online control on the pH in the reactor in real time so as to avoid local impact of high-concentration acid-base reagent on microbial activity and promote long-term efficient and stable operation of the reactor.

Disclosed is an IR data transmitting device having an ID that converts a RF signal received from a remote controller into an IR signal and transmits it to a device to be controlled. The IR data transmitting device having an ID includes a remote controller provided with an IR transmitter for transmitting an IR signal and a RF transmitter for adding a distinguishment ID allocated to the remote controller to a RF signal and transmitting the RF signal added with the ID; and a relay for receiving the RF signal added with the distinguishment ID from the RF transmitter of the remote controller to check the distinguishment ID, removing the distinguishment ID from the RF signal added with the distinguishment ID according to whether the distinguishment ID is identical to a previously stored set ID or not, and then converting the RF signal from which the distinguishment ID is removed into an IR signal to output the IR signal to a device.