75results about How to "Observation is clear" patented technology

The invention provides a method, a decoder and a monitoring system for realizing decoder synchronous polling, wherein the method comprises the following steps that: the decoder receives a synchronous polling request sent by a client, and the synchronous polling request carries starting polling time and polling interval time; the decoder acquires polling switching time according to the starting polling time and the polling interval time; the decoder starts to acquire a medium code stream of first front-end monitoring equipment according to the starting polling time, and the decoder is switched to second front-end monitoring equipment in a polling mode when the polling switching time arrives and acquires a medium code stream of the second front-end monitoring equipment; and the decoder decodes the medium code streams, generates a video-audio signal, and transmits the signal to display equipment to play. The method, the decoder and the monitoring system realize that a plurality of the decoders carry out polling play and switch on the media code streams of the front-end monitoring equipment at the same time.

The invention discloses a three-dimensional mold of displaying thyroid mini nodules in an ultrasound department. A rotating platform is arranged at a center of an upper surface of a supporting plate. A center of an upper surface of the rotating platform is provided with a cervix model. Two sides of the cervix model are provided with uniform silica gel thyroid models. Through the silica gel thyroid models, clear observation can be performed. A lower surface of the supporting plate is provided with a deceleration motor. The deceleration motor drives the rotating platform to rotate. Through rotation of the rotating platform, the silica gel thyroid models are adjusted so that thyroid mini nodule observation is convenient. An electric telescoping rod is provided with a marking head. Through the marking head, the silica gel thyroid models are marked so that the thyroid mini nodule observation is clear. By using the three-dimensional mold of displaying the thyroid mini nodules in the ultrasound department, the structure is simple and operation is convenient; and a sonographer can accurately feed back a fact to a surgeon who performs an operation, which is convenient for the surgeon to perform the operation.

The invention discloses a switching control method of a dual-view-field optical lens, and belongs to the technical field of control. The switching control method is achieved by a controller provided with a switch control software package. After the controller is powered on, the controller enters a corresponding control flow cycle according to a switching command; when a high level signal is detected by a Hall switching device, the controller controls a zoom lens to move towards the direction close to a switching position; when a low level signal is detected by the Hall switching device, the controller controls the zoom lens to move towards the direction away from the switching position. During the initial switching period, the controller controls the zoom lens to continuously move towards the direction close to the switching position, the zoom lens conducts tender motion at the switching position, the fact that the zoom lens is always in a controlled state is ensured, and the zoom lens has the capacity of real-time protection against external disturbances. The switching control method of the dual-view-field optical lens has the advantages of being high in control precision, simple, easy to implement and the like.

The invention relates to the technical field of metallurgy, particularly to an observation method of B-type inclusion behaviors in aluminum killed steel. The method comprises the steps as follows: preparing an aluminum killed steel sample, and performing coarse grinding, fine grinding, polishing and cleaning on the surface of the sample; placing the sample in a metallographic heating furnace of a high-temperature laser confocal microscopic; performing vacuum pumping treatment on the metallographic heating furnace and then feeding an inert gas continuously; performing radiation heating and real-time temperature measurement on the sample; heating the sample to 1550-1600 DEG C, keeping the sample at the constant temperature for 120-600 s, and then continuously cooling the sample at the speed of 0.2-1 DEG C/s; irradiating the surface of the aluminum killed steel sample by a laser beam, and performing high-speed scanning and observation on the surface of molten steel in the cooling process by the high-temperature laser confocal microscopic. With the adoption of the observation method of the B-type inclusion behaviors in the aluminum killed steel, the forming process of B-type inclusions in the aluminum killed steel can be observed clearly and conveniently, and a basis is provided for the research and the control on the B-type inclusions in the aluminum killed steel.

The invention provides a side slope three-dimensional bottom friction testing device and belongs to a testing device for simulating side slope damages. The side slope three-dimensional bottom friction testing device is composed of a side slope model, a friction device, a horizontal loading device and a basic framework, wherein the side slope model can be an entity with a plurality of steps and is packed in a rectangular box body; the friction device is arranged at the bottom of the side slope model; and the horizontal loading device is arranged at the back part of the side slope model. By utilizing the friction device at the bottom and the loading device at the back part, a shear force generated when a side slope is damaged is simulated, so that a condition that the three-dimensional side slope model is damaged under natural or manual conditions is simulated. The testing device provided by the invention is simple in structure and low in manufacture cost, can be used for clearly observing a damaging manner of the side slope, and also can be used for relatively accurately determining damage data and effect of the simulated side slope model.

The invention discloses a color waveform display method for a digital oscilloscope. The method uses the color coldness and warmness in the display waveform to reflect the level of signal frequency. The method comprises the steps that firstly the collected waveform points per frame are statistically processed by the frequency value within the display refresh timer time, then assigned to the corresponding color group according to the size of the frequency value of statistically collected waveforms points, and finally converted to the corresponding RGB color display data in the color group. Compared with the monochromatic waveform display method, the color level of the present method displayed by the color waveform display is far greater than the brightness level of the Mono waveform display, thus signal changes in a long time can be more detailed and better rendered for the measured signals. The method can be achieved by an FPGA hardware, the speed of RGB display data conversion is fast, and the waveform update rate is high.

The invention provides a device for generating water vapor at constant temperature and back-injecting same-temperature water and relates to the field of cavitation and super-cavitation. A middle partition is arranged inside a box to divide the same into an upper portion and a lower portion, and the upper portion of the box and the lower portion of the box are in one-way communication; through action of a vacuum pump, pressure intensity of the upper portion of the box can be changed, so that pressure intensity of the lower portion in one-way communication with the upper portion of the box can be changed; when the pressure intensity of the lower portion of the box is lower than saturated steam pressure of water, water stored in the lower portion of the box can be gasified to form water vapor which enters the upper portion of the box; when the upper portion of the box is filled with water vapor, a first through hole is closed, and an air injection pipe height adjusting rod is separated from an air injection pipe to realize communication between the upper portion of the box and the lower portion of the box through the hollow air injection pipe; air is injected into an airbag through a compressor, water vapor in the upper portion of the box is back-injected into water identical with water vapor in temperature through the hollow air injection pipe.

The invention is for a kind of closed observing circumstance for electron microscope, includes: a covering, there is a capacity room in the inside, there is one observation hole at least on the top and at the bottom of the covering respectively and is connected to the capacity room and they are at the same axis each other; a thin film is designed sealed at each observation hole; therefore, the common sample or living cell can be put into the capacity room to co-work with the electron microscope to conduct observation. And the fluid or gas can be sealed in the covering and then solve the problems of the fluid or gas that comes out outwards possibly.

The invention provides a simulation device and method for full-spectrum visual formation seepage. The device comprises power equipment, back pressure equipment, ring pressure equipment, a visual formation model, temperature control equipment, pressure monitoring equipment, observation and acquisition equipment and a full-spectrum light source; the power equipment is used for providing driving force for the visual formation model; the back pressure equipment is used for adjusting the internal pressure of the visual formation model; the ring pressure equipment is used for maintaining the internal pressure of the visual formation model; the temperature control equipment is used for simulating the reservoir temperature; the pressure monitoring equipment is used for monitoring a simulation experiment and the pressure of the visual formation model in real time; the full-spectrum light source is used for providing a light source; and the observation and acquisition equipment is used for displaying and recording the changes of various research objects of the visual formation model under the full-spectrum light source during the simulation experiment. The invention further provides formation penetration simulation that is accomplished using the above device. The device and the method provided by the invention can realize the real sense of visualization of the formation seepage simulation experiment process.

The invention relates to an endoscopic heat pipe visualization device and a test method. The endoscopic heat pipe visualization device comprises an endoscopic heat pipe (A1 or A2), a cooling system (B), a shooting system (C) and a heating system (D), wherein the endoscopic heat pipe (A1 or A2) consists of a heat pipe main body pipe (3A1 or 3A2), a transparent glass pipe (4) and a working medium (11), and is sealed through a first kovar alloy ring (2), a second kovar alloy ring (5), an expansion joint (6), a first end cover (1) and a second end cover (7); the transparent glass pipe (4) is placed in the heat pipe main body pipe (3A1 or 3A 2); and an endoscope (22) is connected with a high-speed camera (20), and extends into the transparent glass pipe (4) to shoot the phase change and the two-phase flow pattern of the working medium (11) in the heat pipe main body pipe (3A1 or 3A 2). The device and the method are suitable for disclosing a phase change heat and mass transfer mechanism of the working medium in the heat pipe under a metal wall surface; the test process is closer to actual working conditions; and the reliability of test results is improved.

The invention discloses an on-chip imaging microscopic system for observing behaviors of microorganisms. The microorganisms are injected into a micro-fluidic chip, and a capillary channel in the micro-fluidic chip can restrain the behaviors of the microorganisms, so that the microorganisms are ensured to stay in an observable range; an image sensor is adopted to carry out imaging on the microorganisms in the micro-fluidic chip, index-matching fluid in the micro-fluidic chip is blended to enable the refractive index of the index-matching fluid to be consistent with the refractive index of an outer layer material of the micro-fluidic chip, protective glass on the image sensor is disassembled, and the image sensor is tightly combined with the micro-fluidic chip, so that a problem of refractive index adaptation is effectively solved, and high-resolution imaging of the microorganisms in the micro-fluidic chip is realized; and in addition, a large visual field and high-resolution imaging canbe simultaneously achieved by the image sensor, so that the on-chip imaging microscopic system provided by the invention can be used for simultaneously restraining the microorganisms and observing the behaviors of the microorganisms with high flux.

The invention is for a kind of semiclosed observing circumstance for electron microscope, includes: a covering, the inside is divided into a capacity room by clapboard, and a gas room that is formed under the capacity room, and a buffer room that is formed under the gas room, the top of the capacity room has one observation hole at least that is designed on the covering, the bottom has one observation hole at least that is designed at the clapboard and is connected to the gas room, the bottom of the gas has one air hole at least that is designed another clapboard and is connected to the buffer room, the bottom of the buffer room has one outer hole at least that is designed on the covering and is connected to the outside, the two observation holes, the air hole and the outer hole are at the same axis, and a thin film is set sealed at the observation hole that is at the upper; there is an injection air hole at least that is designed at one side of the gas room for the covering, additionally there is one air bleeding hole at least at one side of the buffer room for the covering, thereout it can provide an observation environment for electron microscope, and with a clear observation result.

The invention relates to the technical field of metal foreign matter cleaning devices, and provides a portable metal foreign matter cleaning device which comprises an operation component, a cleaning component and a control component. The telescopic operation part is provided with a cleaning operation end and a connecting end, the connecting end is connected to the operation part, and the cleaning operation end is far away from the operation part; the electronic probe is arranged at the cleaning operation end; the electromagnetic adsorption component is arranged at the cleaning operation end; the electronic control component is arranged on the operation component and electrically connected with the electromagnetic adsorption component and the electronic probe, and the portable metal foreign matter cleaning device is simple in structure arrangement, convenient to carry and particularly suitable for but not limited to pipeline maintenance work in nuclear power maintenance work.

The invention relates to the technical field of lithium ion batteries, in particular to a battery cycle process in-situ observation tool which comprises a left clamping block, a right clamping block,a fastening bolt and a glass upper cover. The upper portions of the left clamping block and the right clamping block are used for clamping a battery. The glass upper cover is connected with the upperportion of the battery through resin, adjusting areas used for adjusting the battery are arranged in the middle of the left clamping block and the middle of the right clamping block, and the fasteningbolt is in threaded connection with the left clamping block and the right clamping block to fix the left clamping block and the right clamping block. According to the invention, the problem of lithium precipitation caused by multiple times of charging and discharging because the negative electrode does not exceed the positive electrode at the section is solved.

The invention discloses a white light supplementing device for a security and protection system, and a light supplementing method thereof. The white light supplementing device comprises a shell, a lamp panel, LED lamps, a power supply and an entire lamp glass cover, the entire lamp glass cover covers the shell, the lamp panel, the LED lamps and the power supply are arranged in the shell, a plurality of LED lamps are arranged on the lamp panel, the power supply is arranged below the lamp panel, and the LED lamps are electrically connected with the power supply; lenses are arranged on the LED lamps, and the lenses are used for the light distribution of the LED lamps; each LED lamp comprises a bracket, a bonding pad arranged in the bracket, a heat conduction bonding pad and a plurality of light emitting chips, the heat conduction bonding pad is provided by a silver panel silvering process, the plurality of light emitting chips are arranged on the heat conduction bonding pad, the light emitting chips comprise read light emitting chips, cyan or green light emitting chips and blue light emitting chips, and the light emitting chips are connected with the bonding pad through gold threads.The device can prevent dazzling/irritating of eyes; the device can supplement dark visual energy and reduce the occurrence of "temporary blindness" (objects cannot be seen clearly) in a conversion process of light and dark adaptation.

The invention provides a preparation method of a physical detection sample. The method comprises steps that: a wafer sectioned block is provided, wherein the wafer sectioned block comprises s first physical layer, a second physical layer and a third physical layer which grow sequentially, and a contact surface between the first physical layer and the second physical layer is a surface requiring observation; the first physical layer is stripped, such that the surface requiring observation is exposed, such that the physical detection sample is formed. With the method, the observation surface of the prepared physical detection sample is exposed, such that the observation surface is not obstructed by any physical layer. When the physical detection sample is observed by using a scanning electron microscope, the surface requiring observation can be clearly observed, such that the reliability of the physical detection can be improved.

The invention discloses a fine nursing method and system based on stepped nursing intervention. The method comprises the steps that first disease information of a first user is obtained; analyzing and generating a first nursing scheme; during nursing intervention, the intelligent monitoring module is used for monitoring vital signs in real time, and first real-time sign data are obtained; constructing a nursing stage decision model by using a classification regression tree algorithm idea, and analyzing and evaluating the first real-time physical sign data to obtain a first evaluation index; if the first evaluation index meets a preset evaluation threshold value, obtaining a first adjustment instruction; and adjusting the first nursing scheme to generate a second nursing scheme, and performing nursing intervention of a second nursing stage on the first user. The technical problems that in the prior art, when health care is conducted on the user, the nursing scheme is general and rough, the individuation degree is low, and meanwhile the nursing scheme cannot be dynamically adjusted in time based on the real-time nursing progress of the user are solved.

The invention discloses a water pump with an alarm function. The water pump is composed of a water inlet pipe, a dial gauge, a water pump shell, a water outlet pipe, an impeller shaft, impellers, a base, an alarm and a temperature detector. The water pump shell is arranged above the base and internally provided with the impeller shaft. The impeller shaft is provided with the impellers. The temperature detector is arranged above the water pump shell. One side of the temperature detector is provided with the alarm. The water inlet pipe is connected to the lower portion of the water pump shell, and the other side of the water pump shell is connected with the water outlet pipe. The temperature detector on the water pump shell is used for detecting the temperature of the water pump shell; and when the temperature of the water pump shell exceeds the safe value, the alarm gives out ear-piercing alarms to remind related operators to close the water pump temporarily. The water pump is simple in structure, convenient to operate and capable of protecting the water pump to a larger degree.

The invention discloses an underwater monitoring method and device of a hydraulic gripping beam. According to the method, a high-definition camera is mounted on the hydraulic gripping beam, the pin penetrating and pin disengaging process of the hydraulic gripping beam can be observed through the high-definition camera, hence, the operation safety of the hydraulic gripping beam is improved, it is guaranteed that the problems of a product of a hydraulic metal structure in the operating process can be timely discovered and timely handled, and loss is reduced. The device comprises the high-definition camera mounted on the hydraulic gripping beam. The high-definition camera is connected to a liquid crystal display and a hard disk video which are arranged inside a monitoring chamber through signal cables. By means of the underwater monitoring method and device of the hydraulic gripping beam, the pin penetrating and pin disengaging process of the hydraulic gripping beam can be observed, hence, the operation safety of the hydraulic gripping beam is improved, it is guaranteed that the problems of the product of the hydraulic metal structure in the operating process can be timely discovered and timely handled, and loss is reduced.