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78results about How to "Avoid Radiation Hazards" patented technology
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Method for constructing double-stem-loop structure DNA template to detect nucleic acid based on ligation reaction
InactiveCN105821138AAvoid Radiation HazardsLow costMicrobiological testing/measurementNucleic acid detectionFluorescence
The invention discloses a method for constructing a double stem loop structure DNA template to detect nucleic acid based on a ligation reaction. The method includes the steps that ligase is used for connecting a probe containing a stem-loop structure and complemented with nucleic acid to be detected to form a double-stem-loop structure DNA template, the template can guide fast and efficient loop-mediated isothermal amplification reaction to achieve high-sensitivity nucleic acid detection, and meanwhile the method can specifically distinguish nucleic acid with single-base difference. It is provided for the first time that double stem loop structure DNA is constructed through the high-specificity ligation reaction, the specificity template is provided for the loop-mediated isothermal amplification reaction in the next step, fluorescence labeling is not needed in the method, cost is low, the precise heat cycle process in the PCR process is avoided, and fast amplification of the nucleic acid to be detected can be realized at constant temperature. The method can be used for quantitative analysis, methylation detection, SNP detection and the like on RNA or DNA and provides a new strategy for high-sensitivity nucleic acid analysis, early cancer diagnosis and other researches.
Owner:SHAANXI NORMAL UNIV
Wood nondestructive testing device capable of conducting imaging in real time at any angle
InactiveCN103792244AOvercome limitationsImprove clarityMaterial analysis by transmitting radiationSlide plateTest object
The invention discloses a wood nondestructive testing device capable of conducting imaging in real time at any angle to solve the problems that due to the fact that an existing testing device can not test a tested object at any angle and can usually test the object only in the two-dimensional plane, time for collecting images is long, definition is low, and the images can not be timely and coherently obtained, and relates to a wood testing device. According to the wood nondestructive testing device, two supports are vertically arranged in parallel, a slide rail is located between the two supports, a loading trolley is arranged on the slide rail in a slidable mode, radial moving sliding plates are arranged on the inner side walls of the two supports in a slidable mode, a swing adjusting motor is fixedly installed on the radial moving sliding plates, one end of an extension arm is connected with the swing adjusting motor, the other end of the extension arm is connected with a supporting arm through a rotating adjusting motor, the two ends of the supporting arm are respectively connected with a movable hinged joint, and a supporting rod is arranged on each hinged joint, and a ray transmitter and a receiver are fixedly arranged at the lower ends of the supporting rods respectively. The wood nondestructive testing device is used for testing wood.
Owner:NORTHEAST FORESTRY UNIVERSITY
Composite graphene far-infrared floor heating brick and floor heating device
InactiveCN107178815AReduce energy consumptionHigh thermoelectric conversion rateHeating fuelLighting and heating apparatusBrickInsulation layer
The invention relates to a composite graphene far-infrared floor heating brick and a floor heating device, and relates to the technical field of decorative materials. A composite graphene far-infrared floor heating brick comprises fourteen layers of structures which are a ceramic tile layer, a first resin adhesive layer, a first pc flame-retardant insulation layer, a high-performance composite graphene heating film, a second pc flame-retardant insulation layer, a second resin adhesive layer, an aluminium foil layer, a glass fibre layer and a silicone rubber coating layer sequentially from top to bottom, wherein the high-performance composite graphene heating film is connected with an electric connection wire. A floor heating device comprises a plurality of the composite graphene far-infrared floor heating bricks which are arranged in parallel. The composite graphene far-infrared floor heating brick disclosed by the invention is thin and occupies a small indoor height, a heating layer clings to a floor tile layer, and is fast in heating and less in energy consumption, and the problems of large occupied indoor height and slow heating of a traditional floor heating device are solved.
Owner:李禹志
Transmission power adjusting method and electronic equipment
InactiveCN106034351AReduce power consumptionAvoid Radiation HazardsPower managementWi-FiComputer module
The invention discloses a transmission power adjusting method and electronic equipment. The transmission power adjusting method comprises the steps of acquiring a first parameter through a first sensor, determining whether the first parameter satisfies a preset condition, if yes, adjusting transmission power of the electronic equipment to first transmission power; and otherwise, adjusting the transmission power of the communication module of the electronic equipment to second transmission power, wherein the first transmission power is larger than the second transmission power. In brief, when the first sensor on the electronic equipment detects a fact that the first sensor is in a stationary state, a WI-FI module on the electronic equipment is sustained to a first transmission power as a relatively high transmission power; and if the electronic equipment in the motion state, the WI-FI module on the electronic equipment is sustained to a second transmission power as a relatively low transmission power. The transmission power adjusting method and the electronic equipment can prevent radiation harm to a user in approaching the electronic equipment and furthermore can reduce power consumption of the electronic equipment.
Owner:LENOVO (BEIJING) CO LTD
Method and device for monitoring terminal conversation time
InactiveCN101568133AAvoid Radiation HazardsLow manufacturing costCalling susbscriber number recording/indicationWireless communicationRadiationReal-time computing
The invention discloses a method and a device for monitoring terminal conversation time. The method for monitoring terminal conversation time includes steps of acquiring preset conversation time threshold according to preset monitor strategy at beginning of terminal conversation; recording time when the terminal begins conversation, and counting the total time of the terminal conversation according to the monitor strategy; determining that the total time exceeds the conversation time threshold and prompting the user that the conversation time exceeds the conversation time threshold before the conversation is finished. The present invention can prevent user from radiation harm and unnecessary economic expense due to too long conversation time.
Owner:ZTE CORP
Image reconstructing method, device and equipment
ActiveCN106859685ASimple calculationAvoid Radiation HazardsComputerised tomographsTomographySingle crystalRadioactive source
The application provides an image reconstructing method, an image reconstructing device and image reconstructing equipment. The method comprises the following steps: determining a crystal efficiency factor and a geometrical factor of a single crystal in a crystal pair, wherein the crystal pair is the one on a crystal ring in PET equipment; determining the sensitivity of the crystal pair according to the crystal efficiency factor and the geometrical factor of the single crystal in the crystal pair; acquiring data of a patent scanned by the crystal pair; correcting the data by means of the sensitivity of the crystal pair; and reconstructing an image according to the corrected data. According to the application, by determining the sensitivity of the crystal pair according to the crystal efficiency factor and the geometrical factor of the single crystal in the crystal pair and effectively correcting the scanned data by means of the sensitivity, the image reconstructing accuracy is improved. In addition, by correcting the background radiation of the crystals, a radioactive source needs not to be purchased and a radioactive source device needs not to be manufactured, so that the geometrical factor of the crystal pair is concisely and efficiently calculated, and therefore, the cost is lowered, and the radioactive danger of an operator is avoided.
Owner:SHENYANG INTELLIGENT NEUCLEAR MEDICAL TECH CO LTD
Biological self-illumination three-dimensional imaging method based on pure optical system
ActiveCN106097437AAvoid Radiation HazardsImproving the results of quadratic orthographic projectionDetails involving processing stepsImage analysisWhole bodyPhoton diffusion
The invention discloses a biological self-illumination three-dimensional imaging method based on a pure optical system, comprising the steps of: obtaining the multi-angle two-dimensional white light image, two-dimensional fluoroscopic image and two-dimensional white light marking point distribution of a target object; reconstructing the three-dimensional surface structure of the target object; obtaining an isotropic body model through mesh generation; registering three-dimensional coordinates of a marker to obtain the distance deviation between a rotary central axis and an optical center outer normal vector; mapping two-dimensional fluoroscopic image fluorescence signals into the isotropic body model to obtain fluoroscopic surface light intensity information; building a photon diffusion transfer model in the target object; and establishing an optimal objective function and solving optimal intensity distribution in the target object, and furthermore obtaining biological autofluorescence luminescence light source distribution, i.e., biological autofluorescence imaging results. The biological self-illumination three-dimensional imaging method can be effectively applied to the whole body physiological metabolism research of the target object, has high reconstruction efficiency, and is suitable for cases with lower imaging system performance or poor experiment environment.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Combination technique of organic blue dye for labeling the sentinel node and fluorescence imaging
InactiveCN101380226ARelieve painAvoid Radiation HazardsLuminescence/biological staining preparationDiagnostics using lightOrganic dyeLength wave
The invention relates to a combined technology for marking an organic blue dye of a sentinel lymph node and fluorescence imaging. The fluorescence given out by the organic blue dye is displayed by a fluorescence imaging device by the illumination of excitation light of the fluorescence imaging device with a wavelength not less than 570nm; wherein, the organic blue dye is one from methylene blue, Evans blue, isosulfan blue and patent blue or a compound thereof. The combined technology has the advantages of: overcoming the defect of needing to cut a larger opening on a skin for finding out a blue stain lymph node when using an organic dye to dye and position in the normal method for carrying out location of the sentinel lymph node of a tumor in clinical practice, and the sentinel lymph node can be located without an operation, thus reducing the pain of a patient. The combined technology has non-radioactivity, is convenient, fast and accurate and is a method which has excellent clinical application value.
Owner:TONGJI UNIV
Stem-loop structured combined probe and application thereof
InactiveCN105525010AAvoid Radiation HazardsAvoid non-specific amplificationMicrobiological testing/measurementDNA/RNA fragmentationTelomeraseFluorescence
The invention discloses a stem-loop structured combined probe and application thereof. The probe is constituted by two DNA sequences of stem-loop structures; from 5' terminals to 3' terminals, probe I and probe II sequentially include stem-loop zones and detection object recognition zones, and are applicable to telomerase activity, RNA and DNA detection and telomerase inhibitor screening; when a detection object is telomerase, the detection object recognition zone of the probe I is a telomerase substrate sequence, and the detection object recognition zone of the probe II is a sequence which is complementary with 8-40 bases in a telomerase extension sequence; and when the detection object is RNA or DNA, the detection object recognition zone of the probe I is a sequence which is complementary with 8-40 bases, close to the 3' terminal, of to-be-detected RAN or DNA, and the detection object recognition zone of the probe II is a sequence which is equal to 8-40 bases, close to the 5' terminal, of the to-be-detected RAN or DNA. The combined probe disclosed by the invention is unnecessary to make use of fluorescence labeling and radioactive element labeling, and the combined probe, with the specific stem-loop structure, provides a specific amplification template for a nucleic acid amplification reaction, so that rapid signal amplification under constant temperature is achieved; and the combined probe is high in sensitivity and amplification efficiency.
Owner:SHAANXI NORMAL UNIV
Stratum density measuring while drilling instrument based on deuterium-tritium accelerator neutron source
InactiveCN104747179AReduce usageReduce Radiation HazardsBorehole/well accessoriesGamma rayNeutron yield
The invention provides a stratum density measuring while drilling instrument based on a deuterium-tritium accelerator neutron source. The stratum density measuring while drilling instrument is used for measuring the density of a stratum around a well hole in the well drilling process, and meanwhile can measure the neutron porosity. According to the stratum density measuring while drilling instrument, a U-shaped groove is formed in one side of a drill collar, a fast neutron monitoring detector and a neutron generator are arranged inside a neutron generator module compression resistance cylinder, a neutron shielding body, a first thermal neutron detector, a neutron shielding body, a second thermal neutron detector, a gamma ray shielding body, a gamma detector and a control processing circuit are sequentially installed inside a detector installation skeleton from top to bottom, and the neutron generator module compression resistance cylinder and the detector installation skeleton are connected and fixed into the U-shaped groove through a coupling connector. The stratum density measuring while drilling instrument adopts the deuterium-tritium accelerator neutron source for measuring the stratum density, a chemical gamma radioactive source is prevented from being used, damage to people and environment is eliminated, and the measuring precision is effectively improved by monitoring the neutron yield in real time.
Owner:CHINA PETROCHEMICAL CORP +1
Power generation and nuclear fuel processing disposal integrated nuclear energy base based on closed cycle
PendingCN107039095ASave resourcesMeeting Disposal NeedsNuclear energy generationReactor fuel elementsFuel reprocessingDeep geological repository
The invention discloses a power generation and nuclear fuel processing disposal integrated nuclear energy base based on closed cycle. The power generation and nuclear fuel processing disposal integrated nuclear energy base comprises a nuclear energy power generation area, a spent fuel and waste disposal area, and a waste final disposal area. The nuclear energy power generation area comprises a reactor workshop, a nuclear auxiliary workshop, and a fuel workshop. The spent fuel and waste disposal area comprises a spent fuel and waste disposal workshop and a waste processing workshop. The waste disposal area comprises a commissioned near surface disposal warehouse, a decommissioned near surface disposal warehouse, a middle depth disposal warehouse, and a deep geological disposal warehouse. The nuclear energy base is divided into the power generation area, the fuel and waste disposal area, and the waste final disposal area according to functions, and the planning, the siting, and the investment of the whole nuclear energy base are realized in a unified manner, and therefore planning is facilitated, and factory site resources are saved. The spent fuel and the wastes are processed and disposed in the neighborhood, and therefore radiation risks caused by long distance transport are prevented.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES
Medicine composition for enhancing immunity and resisting radiation and preparation method thereof
ActiveCN105194083AAvoid Radiation HazardsAvoid harmAntinoxious agentsImmunological disordersLiver and kidneyRHODIOLA ROSEA ROOT
The invention relates to a medicine composition for enhancing immunity and resisting radiation and a preparation method thereof, and belongs to the field of traditional Chinese medicine. The medicine composition is prepared from, by weight, 20-40 parts of ginseng, 20-40 parts of manyprickle acanthopanax roots, 15-25 parts of fructus lycii and 15-25 parts of rhodiola rosea. The medicine composition has the functions of strengthening the middle warmer and benefiting vital energy, strengthening livers and kidneys and benefiting essence and blood, can increase or improve the organism immunity, the anti-radiation capacity and the anti-aging capacity of radiated people, can prevent various types of radiation harm, and can be used as an auxiliary radiotherapy medicine preparation for tumor patients.
Owner:CHANGCHUN UNIV OF CHINESE MEDICINE
Chemiluminescence immune analysis determination reagent kit for detecting thyroglobulin
InactiveCN101377512AQuick checkEasy to detectChemiluminescene/bioluminescenceBiological testingChromogenic SubstratesTg thyroglobulin
The invention relates to a kit which uses enzyme to catalyze a chemiluminescent substrate, the absorbance of a chromogenic substrate in enzyme immunoassay is replaced by a light signal which is generated through detecting the chemiluminescent substrate and has the same absorbance as the chromogenic substrate, the sensitivity of the detection light signal is higher than the absorbance of the detection chromogenic substrate and the detection light signal provides specific, rapid and reliable basis for the diagnosis of thyroglobulin. The invention provides a kit for conveniently, rapidly, sensitively and stably detecting thyroglobulin and a preparation method thereof.
Owner:北京科美东雅生物技术有限公司
Method for preparing nonenzymatic biosensor based on microelectrode array
InactiveCN108072687AIncrease the areaImprove surface roughnessMaterial electrochemical variablesElectrochemical responseCoated surface
The invention discloses a preparation method for preparing a microelectrode array based on a photoetching technology and preparing an electrochemical nonenzymatic biosensor by modifying the microelectrode array with a conductive element and an inorganic sensing coating layer, and relates to the field of macromolecular material science, photoetching technologies, electrochemical sensors and the like. Photoresist adopted in the preparation method can realize preparation of the microelectrode array with ultrahigh length-diameter ratio; a three-dimensional structure is developed on the basis of atwo-dimensional planar structure, so that the specific surface area of the coating layer is greatly enlarged, and a foundation is laid for the preparation of a high-sensitivity electrochemical sensor;meanwhile, the three-dimensional microarray structure improves the coarseness of the surface of the coating layer, and the effective load of a sensing coating layer is facilitated. A method for in-situ electrochemical reduction of inorganic transitional metal nano particles in the invention realizes preparation of an inorganic sensing coating layer having an electrochemical response, and has a synergistic effect together with a conductive microelectrode array. The technology disclosed by the invention is easy and convenient to operate; the constructed sensor has the advantages of high sensitivity to an object to be analyzed, high stability and the like.
Owner:JIANGNAN UNIV
Exhaust pre-filter device changed outside hot cell
ActiveCN102872658AEnsure safetyEasy to install and replaceDispersed particle filtrationOuter CannulaMechanical engineering
The invention discloses an exhaust pre-filter device changed outside a hot cell, which comprises a pre-filter and a filter element changing trolley which are arranged in a hot cell concrete wall passageway; a plurality of filter elements of the pre-filter are sequentially arranged an outer sleeve in the hot cell concrete wall passageway, wherein one filter element is arranged above a hot cell exhaust channel; a protection shutter is arranged at one side of the outer sleeve; a protection cover is arranged above the filter element changing trolley and is internally provided with an inner sleeve adapting to the size of the outer sleeve; the inner sleeve is connected with a twist grip through a threaded bushing; and a hand wheel is arranged on a threaded push rod. When the filter element needs to be changed, the protection cover approaches the protection shutter to lift the protection shutter, the twist grip horizontally pushes the inner sleeve to be in contact with the outer sleeve, and then the hand wheel is rotated to push the threaded push rod to push the filter core arranged in the inner sleeve, so that the filter core is pushed to the outer sleeve to finish the change. According to the exhaust pre-filter device changed outside the hot cell, an operator can manually change the filter element outside the hot cell in a simple, convenient and safe way.
Owner:CHINA NUCLEAR POWER ENG CO LTD
Nuclear pulse signal generating method and nuclear pulse signal generating device
ActiveCN105720950AGuaranteed time characteristicsGuaranteed FeaturesElectric pulse generator circuitsPulse shapingRadioactive source
The invention provides a nuclear pulse signal generating method and a nuclear pulse signal generating device. The nuclear pulse signal generating method is characterized in that a nuclear pulse signal amplitude random distribution function can be acquired; a waveform function of a single nuclear pulse signal can be acquired; a nuclear pulse signal time interval random distribution function can be acquired; digital nuclear pulse signals can be generated by the waveform function of the single nuclear pulse signal and the nuclear pulse signal time interval random distribution function; the digital nuclear pulse signals can be converted into the simulation nuclear pulse signal, which can be output. The method is advantageous in that by adopting the nuclear pulse signals generated by the radioactive source and the detector in a combined manner by adopting the electronic way, the time characteristic, the amplitude characteristic, and the pulse shape characteristic of the nuclear pulse signals can be guaranteed, and then the real nuclear pulse signals can be simulated in the scientific research and teaching process, and therefore the radioactive harm caused by the generating of the nuclear pulse signals by the radioactive source can be prevented.
Owner:UNIV OF SCI & TECH OF CHINA
Experimental device for fuel combustion and soot generation characteristics under microwave radiation
ActiveCN112197975AEnhanced interactionReduce generationInternal-combustion engine testingChemical analysis using combustionCombustion chamberCapillary Tubing
The invention belongs to the related technical field of energy conservation and emission reduction of engines, and discloses an experimental device for fuel combustion and soot generation characteristics under microwave radiation. The experimental device comprises a high-voltage power supply, a signal generator, a magnetron, a tuner, a combustion chamber, an axial flow combustor and a capillary tube, the magnetron is used for generating microwaves, and the tuner is used for adjusting impedance in a circuit; the combustion chamber is a closed metal cavity; the axial flow combustor is used for generating axial flame in the combustion chamber; the capillary tube is arranged in the flame, small holes are formed in the capillary tube, substances in the flame at the position of the capillary tube are sucked into the small holes under the action of negative pressure and then enter a gas analyzer, components of the substances in the flame are obtained under the analysis of the analyzer, the position of the capillary tube in the flame is adjusted, the analysis of combustion products at different positions is achieved, and the comprehensive detection of the combustion products is achieved. By means of the device, the detection of the intermediate product in the combustion process is achieved, and the device is easy to operate, capable of saving energy, environmentally friendly, safe andreliable.
Owner:HUAZHONG UNIV OF SCI & TECH
Nuclide-containing heavy metal high-concentration acid separation system and separation method
InactiveCN111233108AHigh recovery rateEfficient separationDispersed particle separationWater/sewage treatmentHigh concentrationWastewater
The invention provides a nuclide-containing heavy metal high-concentration acid separation system and separation method, wherein a dialysis chamber I (21)and a diffusion chamber I (22)are formed by arranging membrane separation plates (1)and cation exchange membranes I (2)at intervals, wherein a dialysis chamber II (23)and a diffusion chamber II (24)are formed by arranging the membrane partition plates (1)and anion exchange membranes (3)at intervals, and a liquid outlet II' of the diffusion chamber I (22) is connected to a liquid inlet III of the dialysis chamber II (23), so that treatment onraw acid (high-concentration acid of nuclide-containing heavy metals)is realized; according to the separation system and the separation method provided by the invention, acid and the nuclide-containing heavy metals can be efficiently separated, a large amount of raw water (nuclide-containing heavy metal low-acid wastewater)can be utilized to realize pollution control by pollution, and secondary pollution is avoided; moreover, the separation system provided by the invention can realize automatic membrane loading and unloading, so that operators are prevented from being in direct contact with radioactive wastewater, and radioactive hazards are avoided.
Owner:金达泰克电子系统(北京)有限公司
Wireless terminal relay apparatus
According to a wireless terminal relay apparatus provided in the invention, people that get used to directly using mobile phones to answer phones can be prevented from the radiation hazard of mobile phone signals. Moreover, speaking time and standby time of a mobile phone can be extended greatly. Because of cellular radiation, a bluetooth headset of a mobile phone is widely applied. However, most of mobile phone users still prefer to directly use mobile phones to answer the phones. In this way, high electromagnetic radiation can be caused to the user for the speaking by the phone for a long time.
Owner:任少华
Infrared induction brightness control circuit
InactiveCN104851413AAvoid Radiation HazardsAvoid inappropriate viewing display device behaviorCathode-ray tube indicatorsEngineeringControl circuit
The invention discloses an infrared induction brightness control circuit, and the circuit at least comprises an infrared detection module which comprises one or more infrared induction devices and a start switch, wherein one end of each infrared induction device is connected with a power voltage, the other end of each infrared induction device is connected with the start switch, and the start switch is used for the connection of a detection signal or the power voltage. The circuit also comprises an integral circuit, and the integral circuit is connected with the start switch, so as to eliminate sharp pulse interference in the infrared signal detected by the infrared detection module. The circuit also comprises a drive circuit, and the drive circuit is connected with the output end of the integral circuit, so as to enable the infrared signal with the sharp pulse interference being eliminated to be driven and then transmitted to a line-field scanning brightness input end of display equipment. The circuit enables the infrared induction devices to be connected to the line-field scanning brightness input end of display equipment through the integral circuit and the drive circuit, thereby enabling the brightness of the display equipment to be lower when the intensity of the infrared signal is higher, and preventing the brightness signal if the display equipment at a short distance from stimulating the eyes of a child.
Owner:岳景睿
A kind of fracture real-time monitoring method and device
InactiveCN102293668AAvoid Radiation HazardsImprove securityOrgan movement/changes detectionUltrasonic/sonic/infrasonic dianostic techniquesWaveform analysisMonitoring data
The invention provides a method and device for monitoring bone fracture in real time. The device comprises a plurality of monitors and a human-machine interaction platform, wherein each monitor comprises a transceiving probe, a transmission module, a receiving module, a temperature measurement circuit and a control module; the transmission module, the control module and the transceiving probe areconnected in sequence through cables; and the control module and the temperature measurement circuit are connected with a program controlled amplifier in the receiving module and a coding module respectively. The method comprises the following steps: transmitting monitor information to a human-machine interaction center by virtue of a wireless communication technology; monitoring monitor data, such as bones, soft tissues and body temperatures by virtue of graphic display; transmitting an ultrasonic pulse train to a detected position to acquire the monitor information; carrying out waveform analysis on an ultrasonic reflection echo to learn the size of a bone fracture fissure and the condition of soft tissues close to the bone; and determining whether the body temperature close to the bonefracture part is normal or not, and whether the soft tissues are in inflammation or other abnormal conditions by means of the body temperature value. The device has the advantages of high instantaneity, high safety and simpler structure.
Owner:SOUTH CHINA UNIV OF TECH
Mobile in-vehicle panoramic X ray backscatter scanning safety check device
ActiveCN108549111AAvoid Radiation HazardsImprove detection accuracyNuclear radiation detectionNumerical controlRobotic arm
The invention relates to a mobile in-vehicle panoramic X ray backscatter scanning safety check device. The device includes a flying-spot scanning module, an electric control robotic arm, a numerical control case and a remote terminal. The electric control robotic arm is used for inserting the flying-spot scanning module into the inner part of the car and adjusting the space attitude and controlling angle and scope of the flying-spot scanning module; and the flying-spot scanning module is used for generating an one-dimensional thin beam used for performing scanning in the XY plane; and the numerical control case is used for centralized control of the light, machine and electricity of the whole safety check device; the remote terminal is used for controlling the space position of the electric control robotic arm, the scan speed of the flying-spot scanning module and the sampling rate of a detector array, and displaying scanning results in real time. Compared with the prior art, the problem that the contraband items such as drugs and explosives hidden in the inner interlayer of small vehicles are difficult to check is solved by the device, and the difficulty of the large detection workload, the long detection time and the tedious detection process for the hidden drugs in the vehicle of the drug enforcement front line is overcome by the application of the safety check device.
Owner:TONGJI UNIV
System for realizing voice calling through connecting common landline phone with mobile phone
The invention relates to the combined application of the technical field of wired communication and the technical field of mobile communication, and particularly relates to a system for realizing voice calling through connecting a common landline phone with a mobile phone. The system for realizing voice calling through connecting the common landline phone with the intelligent mobile phone comprises one common landline phone, one common intelligent mobile phone, one USB data line and a switching system of the common landline phone and the intelligent mobile phone. In the switching system of the common landline phone and the intelligent mobile phone, a telephone set interface circuit is formed by user interface chips. A processor of a common embedded type system is also used as a core control chip which is connected with the intelligent mobile phone via a USBHOST interface of the core control chip. A standard I2S audio interface and an I2C interface are used between the core control chip and the user interface chips. Radiation of the mobile phone can be kept away, and voice calling called in or called out by the mobile phone is switched via utilizing the landline phone so that radiation hazards to a human body by the mobile phone are avoided.
Owner:宋易霄
Wireless terminal relay device
InactiveCN102215601AAvoid Radiation HazardsExtend talk and standby timeConnection managementMobile phone signalElectromagnetic radiation
The invention discloses a wireless terminal relay device which is characterized in that crowds getting used to answering a call by virtue of directly using a mobile phone can avoid the radiation harm of mobile phone signals, and the conversation and standby time of the mobile phone can be greatly prolonged. Because of the radiation reason of the mobile phone, the Bluetooth headset of the mobile phone is widely used. In fact, most mobile phone users still like to answer the call by virtue of directly using the mobile phone, thus, larger electromagnetic radiation is caused for the user when the user has a conversion via the mobile phone for a long time under the situation.
Owner:任少华
Source storage container structure used for small-diameter radioactive instrument
The invention discloses a source storage container structure used for a small-diameter radioactive instrument. The source storage container structure used for the small-diameter radioactive instrument comprises a source storage container housing of a cross structure and a sealing cap of a U-shaped structure, the cross upper part of the source storage container housing is provided with a groove, a shielding block is arranged in the groove, the shielding block is used for placing a radioactive source, the sealing cap is used for sealing the radioactive source on the shielding block in an reversed placing mode, and the cross lower part of the source storage container housing is provided with a protrusion, and is used for installation and positioning. The source storage container structure used for the small-diameter radioactive instrument can be used for most radioactive logging instruments, and is particularly applied to radioactive instruments with small boreholes and capable of penetrating drilling tools, the advantage is more obvious, and the problem that the domestic small-diameter radioactive instrument has no suitable and usable 'radioactive source storage container' is solved.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Optical visual vertebral arch pedicle puncture system
PendingCN107822698AAvoid piercingAvoid the risk of punctureInternal osteosythesisDiagnosticsPedicle screwVertebral arch
The invention discloses an optical visual vertebral arch pedicle puncture system. The puncture system includes a guide needle channel into which a guide needle can be inserted and a lighting imaging channel for holding a lighting imaging element; and the guide needle channel and the lighting imaging channel are independent of each other. The invention can establish a vertebral arch pedicle channelduring a vertebral arch pedicle screw-setting operation through an optical imaging manner, can avoid cortex breaking of vertebral arch pedicle, and can avoid radiation hazards of X-ray examination and CT navigation adopted by current operations.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
Method and device for monitoring bone fracture in real time
InactiveCN102293668BAvoid Radiation HazardsImprove securityOrgan movement/changes detectionUltrasonic/sonic/infrasonic dianostic techniquesWaveform analysisUltrasound pulse
Owner:SOUTH CHINA UNIV OF TECH
Production method using microwaves to melt aluminum silicate minerals and microwave equipment
ActiveCN109896529ASolve the problem of energy consumptionFix security issuesAluminium silicatesMicrowave heatingMicrowaveAluminum silicate
The invention belongs to a production method using microwaves to melt aluminum silicate minerals and microwave equipment. The production method has the advantages that the aluminum silicate minerals are calcined, crushed, powdered and pelletized and then molten in the microwave equipment, the problem that traditional aluminum silicate mineral melting is high in energy consumption and potential safety hazard is solved, production efficiency is increased, and energy consumption is lowered by more than 30%. The microwave equipment has the advantages that based on the production method, the feed inlet of the microwave equipment is adjusted, a microwave damping spiral feeder is used, and efficient feeding is achieved while radiation harm, caused by microwave leakage, to human bodies is prevented by microwave damping; the material of a furnace discharge outlet is regulated to guarantee the service life of the microwave equipment and the continuity of aluminum silicate mineral microwave melting.
Owner:唐山顺浩环保科技有限公司
Membrane stack capable of being automatically assembled and disassembled for treating radioactive wastewater
InactiveCN111233099AImprove work efficiencyLow costSpecific water treatment objectivesWater/sewage treatment by ion-exchangeEngineeringNuclear chemistry
The invention provides a membrane stack capable of being automatically assembled and disassembled and used for treating radioactive wastewater. The membrane stack capable of being automatically assembled and disassembled and used for treating radioactive wastewater comprises membrane partition plates (1), membranes (2)and a membrane collecting mechanism, and the membranes (2)pass through the upperends or the lower ends of the two adjacent membrane partition plates (1)to separate the adjacent membrane partition plates (1)through the membranes; and the membranes continuously slid through the pulling of the automatic membrane collecting mechanism, so that the purpose of automatically and continuously mounting or dismounting the membranes is achieved, the direct contact between an operator and a membrane stack is avoided, and the radioactive hazard of radioactive wastewater, especially the radioactive hazard of high-radioactivity wastewater in nuclear wastewater, is avoided.
Owner:金达泰克电子系统(北京)有限公司
Detection method of double-metal composite material seabed pipeline circumferential welding seam phased array partitioning method
InactiveCN108982663AImprove laying efficiencySolving the problem of shear wave detectionAnalysing solids using sonic/ultrasonic/infrasonic wavesArray data structureWeld seam
The invention provides a detection method of a double-metal composite material seabed pipeline circumferential welding seam phased array partitioning method. The detection method comprises the following detection steps: 1: placing a probe on a weld welding seam; 2: setting a plurality of reflection bodies on a groove and setting upper and lower time difference diffraction reflection bodies on inner and outer surfaces in the center of the welding seam respectively; 3: setting a plurality of groups of phased array probe covering region probes and a plurality of groups of creeping wave probe covering regions; carrying out monitoring detection on opening defects of upper and lower surfaces; 4: setting two display strip shapes; calibrating on a calibration test block and mounting a scanning device on the calibration test block; carrying out sensitivity calibration on each partitioned zone; 5: carrying out dynamic calibration on the calibration test block and detecting the welding seam; and6: carrying out comprehensive evaluation on the quality of the welding seam. According to the detection method provided by the invention, the difficulty of transverse wave detection of a composite material is overcome and defects with different types of each position are effectively detected; and the field detection efficiency and the detection quantitative precision of welding the seabed pipelinewelding seam are greatly improved and the quality of the welding seam is controlled.
Owner:OFFSHORE OIL ENG
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