17results about How to "Significant change" patented technology

The present application discloses a health monitoring system and a monitoring method for ancient tree maintenance, which belongs to the field of forest health monitoring, and includes a controller, a runoff monitoring module, a temperature monitoring module and an illuminance monitoring module, wherein the runoff monitoring module, the temperature monitoring module and the illuminance monitoring module are electrically connected to the controller respectively; the present application also discloses a corresponding monitoring method, which first performs a health check on the ancient tree to be monitored; then calculates the historical temperature parameters, illuminance parameters and the historical runoff parameters of the planting environment of the ancient tree to be monitored in the past natural year, and establishes a health assessment model, and then obtains the monitoring temperature parameters, the monitoring illuminance parameters and the monitoring runoff parameters of the ancient tree to be monitored, and finally imports the monitoring temperature parameters, the monitoring illuminance parameters and the monitoring runoff parameters into the health assessment model to output the health assessment results; the present application improves the monitoring effect by comprehensively monitoring the transpiration of the ancient trees, thereby quickly predicting the health status of the ancient trees.

The invention provides pH detection test paper and a preparation method and application thereof, the pH detection test paper comprises a substrate and a reagent loading layer, and the reagent loading layer is arranged on the substrate; the reagent loading layer contains a pH color developing agent and cationic organic salt. The preparation method of the pH detection test paper comprises the following steps: mixing a substrate and a solution containing a pH color developing agent, and carrying out first drying to obtain a first material; and then mixing the first material and the solution containing the cationic organic salt, and carrying out secondary drying to obtain the pH detection test paper. According to the method, the falling phenomenon of the pH color developing agent during detection can be avoided, color indication is uniform in the detection process, and the detection accuracy is high.

A lithium ion conductive solid electrolyte contains a lithium ion conductive powder having a garnet-type crystal structure including at least Li, La, Zr, and O, and a lithium ion conductive polymer. The lithium ion conductive solid electrolyte can maintain its shape without use of an additional polymer different from the lithium ion conductive polymer. The lithium ion conductive solid electrolyte exhibits an activation energy of 30 kJ / mol or less at 20°C to 80°C.

The paper diaper with the soft leakage-proof partition edges comprises a body, the body comprises a liquid-permeable surface layer, an absorption part and a liquid-tight bottom layer, the leakage-proof partition edges extending in the longitudinal direction are symmetrically arranged on the skin side of the liquid-permeable surface layer, each leakage-proof partition edge comprises a leakage-proof partition edge non-woven fabric and a soft non-woven fabric, and the soft non-woven fabric is compounded on the leakage-proof partition edge non-woven fabric, so that the leakage-proof partition edges are made of non-woven fabric. The soft non-woven fabric covers the rubber root part of the non-woven fabric of the leakage-proof partition edge, so that the softness of the whole leakage-proof partition edge is improved, meanwhile, multi-layer material protection is formed, the liquid blocking capacity is improved, and the urine leakage risk is reduced.

The application relates to a high-safety high-voltage cable applied to the technical field of cable-related technologies. When local damage occurs, water seeps at the damage point during use of the cable, which causes the corresponding cavity inside to generate gas. On one hand, the inner floating bag is inflated, gradually becomes larger, and effectively compensates for the problem of the decrease in buoyancy caused by water seepage due to the breakage; on the other hand, the gas in the cavity instantaneously increases, generates pressure on the floating block from the inside to the outside, and then makes the floating block rapidly crack. At this time, the enlarged inner floating bag leaks out, can provide buoyancy for the damage point again, is separated from the floating block, and is obviously changed in vision, so that the warning effect can be effectively ensured. Whether the cable is on the water surface or leaves the water surface after the work is completed, the obvious damage warning effect can be presented.

The utility model relates to the field of automobile door panels, in particular to a handle box and a door panel structure, the handle box comprises a box main body, and one end, close to a switch panel, of the box main body is provided with a support lug used for being connected with other parts; the door plate comprises a handrail and the handle box, and the supporting lugs of the handle box are detachably connected with the handrail. According to the scheme, the connection strength between the handrail and the handle box can be enhanced, so that the handrail is stabilized, in the prior art, the handle box and the switch panel are connected and can be kept relatively fixed, therefore, the relative fixation between the handrail and the switch panel can be kept, and the problem that a gap is generated between the handrail and the switch panel is solved.

The utility model relates to the technical field of cabinet assembly, in particular to a combined cabinet sorting device which comprises a base, supporting blocks are connected to the two sides of the top of the base respectively, a two-way threaded rod is rotationally connected to the position between the supporting blocks, threaded blocks are connected to the two sides of the outer wall of the two-way threaded rod in a threaded mode respectively, and the two sides of the outer wall of the two-way threaded rod are in threaded connection with the threaded blocks respectively. A threaded block is arranged on the top of the base, the threaded block is slidably connected with the top of the base, measurement reading assemblies are arranged on the two sides of the threaded block respectively, a clamping plate is pushed to be attached to the two sides of the cabinet body through tension of a first spring for measurement, and the clamping plate drives a first piston rod to stretch out and draw back through a connecting rod; the gas of the second piston rod and the first piston rod mutually circulate, so that the position change of the clamping plate can be judged through the telescopic length of the first piston rod.

The invention provides an application of human circular RNA (Ribonucleic Acid) in preparation of a detection kit or a medicine for diagnosing pathological myocardial hypertrophy, and the human circular RNA comprises nucleic acid containing a sequence as shown in SEQ ID NO.1, or a bioactive functional fragment, a variant or a derivative of the nucleic acid containing the sequence as shown in SEQ ID NO.1. The invention also provides a derivative peptide generated by circular RNA translation. The invention also provides a kit for diagnosis or prognosis evaluation of pathological myocardial hypertrophy and a pharmaceutical composition for treatment or / and prevention of pathological myocardial hypertrophy. Compared with other types of markers, the human source circular RNA provided by the invention has stable and specific properties, has larger abundance in body fluid of a patient and more obvious change, and has the potential of becoming a novel diagnostic marker. The specific RNA interference adenovirus is prepared, and the expression efficiency is high; the virus genome cannot be integrated into the host cell genome, the controllability is good, and the safety is high.

A front-end and back-end combined hidden danger analysis system and method thereof, the system comprising: a front-end camera module, a video target recognition module, an image definition recognition module, an image similarity recognition module, a front-end slice compression module, a back-end image analysis module, a back-end hidden danger analysis result module and a front-end loudspeaker module, the method comprising: one: image acquisition; two: hidden danger target recognition; three: image definition recognition; four: image similarity recognition; five: video slice compression; six: image analysis; seven: hidden danger analysis; eight: hidden danger broadcast reminder; the video frame is preliminarily detected through the front-end video target recognition module, only the frame containing the hidden danger target is reserved for subsequent processing; combined with the image definition recognition module and the image similarity recognition module, further eliminate the fuzzy and repeated frames, generate high-quality video segments, effectively reduce the image data amount required to be processed by the back-end multi-modal large model, thereby greatly reduce the consumption of token.

The invention discloses a leak detection auxiliary device for a steel cylinder angle valve, and provides the following scheme that the leak detection auxiliary device comprises a detection table, a supporting structure for placing a steel cylinder body is arranged on the detection table, and a moving structure and a foam spraying structure for performing leak detection treatment on the steel cylinder body are arranged on the detection table; a display structure and a mounting structure are arranged on the moving structure; by arranging a foam spraying structure, a hollow conveying frame drives a mounting ring and a spray head to move close to a steel cylinder body, and at the moment, an electronic control valve is automatically opened under the action of an internal sensor, so that air pressure in the steel cylinder body can enter a storage tank through an air inlet pipe; according to the spraying device, through the arrangement of the water discharging pipe, detection liquid in the storage tank can enter the hollow conveying frame through the water discharging pipe and then enter the spraying head through the communicating pipe, and finally the joint area of a steel cylinder and an angle valve and the connecting portion of an angle valve body are evenly and comprehensively sprayed through the spraying head, so that secondary leakage detection treatment is conducted, and the leakage detection accuracy is guaranteed.

This invention discloses a probe for detecting Ox-LDL and its applications, belonging to the field of Ox-LDL detection technology. This invention provides a variety of probe molecules that can specifically and sensitively recognize Ox-LDL and effectively distinguish between high-density lipoprotein (HDL), low-density lipoprotein (LDL), and Ox-LDL. The probe exhibits significantly enhanced fluorescence in the presence of Ox-LDL, while showing almost no fluorescence in pure PBS solution, with low background noise. The probe of this invention is a molecular probe, simple to prepare, stable, easy to store and detect, and can be used as a reagent for detecting Ox-LDL in peripheral blood, cells, and tissues, a lipoprotein identification reagent, an early diagnostic reagent for atherosclerosis, and an early diagnostic reagent for fatty liver.

The invention relates to the field of crack repairing quality detection, in particular to a method and system for detecting concrete crack repairing quality of an inserted fabricated building. Signals generated by a plurality of energy generation points are received by a sensor from various angles, whether cavities and / or cracks exist in repaired cracks or not is comprehensively detected from various angles so as to continuously judge whether the filling amount of repairing materials in the repairing process is sufficient or not, and the filling amount of the repairing materials in the repairing process is sufficient or not by conducting wavelet decomposition on the signals received by the sensor. According to the method, signals of different frequency ranges can be obtained, signals of frequencies with obvious changes can be obtained according to different attenuation effects of the signals of different frequencies after passing through concrete, and thus the repairing condition of concrete cracks can be analyzed more obviously; the problem that in the process of repairing the cracks in the concrete component through concrete at present, the repairing condition of the cracks in the concrete component is difficult to accurately judge due to the fact that the situation of the cracks in the concrete is difficult to observe through visual inspection is solved.

The application relates to the field of bank slope deformation monitoring devices, in particular to a reservoir bank slope deformation early warning device based on Beidou monitoring, which comprises a light ray emitting unit, a reflecting unit, a protection assembly, a processing unit and a power supply unit. The light ray emitting unit is arranged on the front side of the protection assembly, the light rays thereof are directed to the reflecting unit, the light rays passing through the reflecting unit are finally reflected to the processing unit, the light rays are processed through the processing unit, and are transmitted to the general control room through Beidou signals. The power supply unit supplies power to the electrical appliances of the device. The device adopts the principle of light reflection. When the slope of the bank changes, the surface of the first reflecting plate changes, the position of the light reflected to the second reflecting plate is different, the position height of the light column transmitted to the grating sensor is different, the change of the bank is monitored, and the change is obvious.

The utility model discloses an optical fiber magnetic field sensor based on an F-P interferometer. The optical fiber magnetic field sensor is composed of a single-mode optical fiber, a capillary glass tube and an annular nickel film. Welding a section of capillary glass tube between two sections of single-mode optical fibers, and plating two layers of superposed annular nickel films on the surface of the capillary glass tube at intervals; when the sensor is placed in an external magnetic field environment, the annular nickel film deforms due to the magnetostriction characteristic of nickel, and the deformation enables the thin inner wall of the capillary glass tube to also deform, so that the cavity length of the interferometer is changed, namely the free spectral range of the F-P interferometer is changed, and finally the reflection spectrum of the sensor drifts; the change of the external magnetic field intensity can be demodulated by recording the drifting of the reflection spectrum of the sensor through the optical fiber spectrometer; the annular nickel films can attract each other due to magnetization of a magnetic field, and the capillary glass tube is easier to deform, so that the change of the cavity length of the interferometer is more obvious, the thin inner wall of the capillary glass tube is easier to deform compared with the thick inner wall of the capillary glass tube, and the sensitivity of the sensor is further improved. The optical fiber magnetic field sensor based on the F-P interferometer has the advantages of being high in sensitivity, resistant to electromagnetic interference, simple to manufacture, compact in structure and the like, and can be used for sensing measurement of magnetic field intensity.

The invention provides a polyethersulfone porous membrane for virus removal and a preparation method thereof.The polyethersulfone porous membrane for virus removal sequentially comprises an outer layer area and an inner layer area in the thickness direction, the average pore size of the outer layer area is 10-20 nm, the thickness of the outer layer area is 20-50 microns, the average pore size of the inner layer area is 5-10 microns, and the thickness of the inner layer area is 20-50 microns. The thickness of the inner layer area is 60 to 150 [mu] m; the polyethersulfone porous membrane for removing viruses is prepared by a method which at least comprises the following steps: taking polyethersulfone as a raw material, and obtaining the polyethersulfone porous membrane for removing viruses under the action of a water-soluble diluent and a hydrophilic additive, wherein the water-soluble diluent comprises ethylene carbonate and polyethylene glycol. The polyethersulfone porous membrane for virus removal has high virus removal rate and protein transmittance.

The invention discloses a paper-based micro-fluidic chip and application thereof. The paper-based micro-fluidic chip comprises a sample inlet, micro-reaction units, a micro-fluidic chip channel and a waste liquid outlet, wherein the micro-reaction units are connected through the micro-fluidic chip channel; the micro-reaction unit comprises a magnetic bead and a nucleic acid aptamer. According to the invention, the micro-fluidic chip and Mie scattering are combined to establish a novel paper-based micro-fluidic chip rapid detection method for the coronavirus. A hydrophilic cellulose paper-based micro-fluidic chip is pre-loaded in micro-reaction holes of a plurality of micro-fluidic chips to serve as an immunoreaction container, and a polystyrene microsphere-novel coronavirus S1 protein nucleic acid aptamer covalent conjugate covalently coupled in the micro-fluidic reaction holes serves as a chip induction and signal amplification element. The rapid and high-sensitivity detection of the novel coronavirus in a sample can be realized within 1.5-3h without a culture amplification procedure.