19results about How to "Increase penetration depth" patented technology

This invention discloses a snapshot-type hyperspectral three-dimensional skin imaging method and device, belonging to the field of biomedical imaging technology. The method includes: constructing a snapshot-type spectral-light field coupled imaging system containing a light source and an acquisition model; achieving full-domain skin illumination with broadband illumination; synchronously coupling and acquiring spectral and three-dimensional spatial information through the synergistic action of a lens group and a hyperspectral sensor to generate spectral coupled light field data; establishing a correlation dataset between the spectral coupled light field image and the hyperspectral light field image; training a spectral reconstruction network and solving the data; reconstructing the hyperspectral light field image and obtaining multi-view images through macro-pixel sampling; using a light field super-resolution network to improve image resolution; selecting the optimal skin penetration band image for stereo matching to obtain a target band depth map; and fusing the high-resolution center-view images from each channel with the target band depth map to complete the generation of a hyperspectral three-dimensional image. This invention achieves single-exposure hyperspectral three-dimensional imaging of the superficial skin layer.

The utility model provides a device of adding anti -caking agent before static atomization coupling type fluidized bed in potassium chloride production, including vibration feeder and static atomizer, and vibration feeder includes feeder body, is provided with vibration motor on feeder body, and feeder body is connected with support frame through composite damping system, still be provided with opening on feeder body, and static atomizer includes the multi -hole nozzle corresponding to the opening setting. According to the device of adding anti -caking agent before static atomization coupling type fluidized bed in potassium chloride production of the utility model, not only can the anti -caking agent be evenly sprayed on the salt particle surface, but also can ensure that the salt particle is fully loose in the conveying process, and further improve the uniform distribution effect of anti -caking agent addition.

This invention belongs to the field of rare-earth luminescent materials and optical sensing technology, specifically disclosing an upconversion temperature probe excited by NIR-I, its preparation method, and its application. The probe includes a matrix core material, which is a fluoride crystal; and dopant ions, specifically holmium ions (Ho) doped into the matrix core material. 3+ Ho 3+ As the sole luminescent center, it is excited by a near-infrared I light source with a wavelength of 880-920 nm to generate Ho. 3+ Characteristic green upconversion luminescence and red upconversion luminescence. This invention employs the aforementioned NIR-I excited upconversion temperature probe, its preparation method, and its application, utilizing Ho... 3+ The unique energy level competition mechanism of ions enables high-sensitivity temperature measurement over a wide temperature range, and the temperature measurement signal is unaffected by fluctuations in excitation power.

The application provides a suspension agent containing pyriproxyfen and clothianidin, which comprises pyriproxyfen 3-8%, clothianidin 30-40%, clove extract 1-1.5%, and astragalus polysaccharide 0.5-1% according to percentage by weight; and the weight ratio of the clove extract and the astragalus polysaccharide is 3:2. The suspension agent provided by the application has good wetting property, strong soil permeability, can improve the effective utilization rate of the liquid medicine, and improves the drug efficacy.

The application relates to the technical field of industrial control systems, in particular to a multi-data real-time acquisition control system for wheat moistening, which comprises a segmented water injection control unit, which is used for controlling a water injection actuator according to a segmented water injection proportioning scheme, so as to inject water into wheat in a stirring or turning material state in multiple small-dose interval modes; and a moisture content calculation unit, which is used for introducing a moisture content index, collecting second data in the segmented water injection and wheat moistening standing stages, analyzing moisture distribution differences and time change trends of the wheat at different positions according to the second data, and calculating the moisture content index of the current batch of wheat according to a moisture content evaluation model. The moisture content index of the current batch of wheat is calculated according to the moisture content evaluation model, and the threshold value judgment unit compares the moisture content index with a preset moisture content target threshold value; when the threshold value is reached, a wheat moistening completion instruction is automatically output; and when the threshold value is not reached, an adjustment strategy is generated according to a moisture content index deviation and a multi-parameter change.

The application belongs to the technical field of hazardous waste pollution control, and discloses a synergistic penetration stable-effect fly ash selenium-fixing composite chelating agent and application thereof. The chelating agent is composed of the following components in percentage by mass: piperazine compound 10-30%, ferrous sulfate 15-35%, penetrating agent 3-12%, and borax-sodium hydroxide buffer 40-70%. In preparation, ferrous sulfate is dissolved in the buffer at room temperature, then the piperazine compound is added and stirred, and finally the penetrating agent is added, heated to 40-50 DEG C, and stirred for preservation, to obtain a red-brown transparent liquid with pH 9.5-11.5. The application realizes efficient and stable fixation of various forms of selenium in fly ash through the multi-mechanism synergy of penetrating agent reinforced diffusion of the medicament in fly ash micropores, a stable alkaline environment maintained by the buffer system, and Fe 2+ reduction precipitation and piperazine chelation adsorption, and the selenium leaching concentration of the treated fly ash is ≤0.1 mg / L, meeting the standard and having long-term stability.

The application provides a medical waste high-temperature steam permeation control treatment method, relates to the field of harmless treatment of medical waste, and comprises the following steps: loading medical waste in a treatment cabin and performing vacuumization on the treatment cabin, so that the pressure in the treatment cabin is reduced to a first target negative pressure value; saturated steam is injected into the treatment cabin, and a multi-stage gradient pressure increasing program is performed, so that the working pressure of the treatment cabin is maintained in a slightly positive pressure state in which a slightly positive pressure offset of the target sterilization pressure is increased; the target sterilization temperature in the slightly positive pressure state is maintained to perform basic heat penetration, and the treatment cabin is subjected to periodic pressure pulse cycle treatment; the target sterilization temperature in the slightly positive pressure state is maintained to perform final sterilization, the treatment cabin is subjected to vacuum drying and air injection into the treatment cabin for cooling, and the treatment cabin is opened to unload the treatment product.

The application discloses a long-afterglow nano carrier and a preparation method and application thereof, and belongs to the field of biomedical materials. The long-afterglow nano carrier comprises a near-infrared luminescent center, an organic mesoporous silica layer and an autophagy inhibitor; the organic mesoporous silica layer is coated on the outer layer of the near-infrared luminescent center, and the autophagy inhibitor is loaded in the mesopores of the organic mesoporous silica layer; the near-infrared luminescent center comprises a transition metal element; the organic mesoporous silica layer is prepared by co-condensation of an organic silane precursor and an inorganic silicon precursor, wherein the organic silane precursor is an organic silane containing a tetrasulfide bond, and the inorganic silicon precursor is a silicate compound. The carrier can specifically respond to excessively high concentration of hydrogen peroxide in a tumor microenvironment, and accurately release the loaded autophagy inhibitor; the release process can be observed by positioning with the aid of a high signal-to-noise ratio afterglow signal, thereby providing guidance for subsequent drug release, and finally realizing efficient radiotherapy sensitization.

The invention discloses a thermal strain alloy support plate flame stabilizer applied to an afterburner, and belongs to the field of aero-engine afterburner design. The thermal strain alloy flame stabilizer is composed of two thin-wall performance adjusting plates, the adjusting plates generate thermal bending moment and deform when forming a temperature gradient in the thickness direction, and therefore the divergence angle of the tail edge of the supporting plate is changed in a self-adaptive mode. Flow channel blockage is weakened, and the total pressure loss is reduced; under the afterburning working condition, high-temperature fuel gas in a backflow area heats the inner side of the adjusting plate to promote the adjusting plate to expand outwards, a larger trailing edge divergence angle and the backflow area are formed, fuel evaporation and mixing are accelerated, and the penetration depth and the space uniformity are improved; meanwhile, the temperature difference is further increased through liquid drop impact and evaporation heat absorption, and deformation and combustion efficiency is enhanced. An additional executing mechanism is not needed, the structure is simple and reliable, and stress application efficient combustion and non-stress application low-resistance operation can be both considered.

This invention provides a transdermal follicular delivery system for active ingredients based on a protein carrier. The system comprises a composite structure of a small molecule active ingredient, a bioactive protein, and a polymer shell, with a size of 40-150 nm and a polymer shell thickness of 10-70 nm. The zeta potential of this protein carrier-based transdermal follicular delivery system is positively charged. The small molecule active ingredient is loaded within the bioactive protein, and the polymer shell coats the bioactive protein to form a protein nanogel. Both the small molecule active ingredient and the bioactive protein have beneficial effects on hair follicles. When this transdermal follicular delivery system is applied to the surface of a hair follicle or skin, the functional small molecules are delivered transdermally along with the nanogel to the interior of the hair follicle and surrounding tissues, where they are released in a controlled manner, thus effectively exerting their effects.

This invention discloses a method for full-cycle carbon dioxide sequestration based on multiphase reaction filling materials, relating to the field of carbon sequestration, comprising the following steps: adding gaseous SiO2 and nano-CaO particles to the filling material as gas-entraining agents and transport enhancers; injecting CO2 gas into the filling slurry to form a gas-liquid two-phase dispersion system, and adding a surfactant with a mass fraction of 0.05%-0.2% to the filling slurry; transporting the filling slurry to the downhole filling area through a delivery pipeline, and installing an online rheometer in the delivery pipeline; after the filling slurry is injected into the goaf, injecting CO2 into at least one of the top, bottom, and sidewalls of the goaf through a gas injection pipeline until a gas-liquid-solid three-phase reaction interface is formed; monitoring its strain and acoustic emission signals in real time, and when a sudden change in signal is detected, determining that a new fracture has been generated or an existing fracture has expanded, and injecting CO2 gas into the target fracture through a pre-embedded gas injection pipeline.

This invention discloses a device for high-precision measurement of blood oxygenation status in cerebral cortex tissue, comprising a light source module containing multiple near-infrared light sources, each of which emits three different wavelengths of near-infrared light into the brain tissue; a signal acquisition module containing multiple signal acquisition groups, each forming long and short-distance channels for acquiring near-infrared light signals emitted from the brain tissue by a single near-infrared light source; and a signal processing module that calculates the long and short optical path lengths of near-infrared light in the brain tissue, constructs expressions for the optical density changes of the long and short-distance channels based on the optical path lengths, eliminates the brain surface tissue absorption term in the optical density change of the long-distance channel by subtracting the two expressions, and obtains the noise-reduced optical density change expression. The noise-reduced optical density change expressions for the three near-infrared wavelengths are then solved to obtain the blood oxygenation status of the cerebral cortex tissue.

The utility model discloses ecological paving stone of imitating stone surface relates to paving stone technical field. Including the pavement base plate, the bottom surface is used to lay on the ground surface base soil, a plurality of processing filling body, even fixed in the pavement base plate top, and the drainage structure is reserved between two adjacent processing filling bodies, is provided with imitating stone convex between two adjacent drainage structures, and there is height difference between imitating stone convex and drainage structure, and imitating stone convex is fixed in the top of processing filling body, along with rainwater contact imitating stone convex's surface, and rainwater flows along the slope of imitating stone convex to adjacent drainage structure, and through the water gap of drainage structure rapid penetration to the base soil below the pavement base plate, the utility model discloses the slope design of imitating stone convex and the synergistic effect of drainage structure, effectively guide rainwater along the slope rapid convergence to the passageway gap, and then through the discharge port of gradually increasing aperture smooth infiltration base soil, has improved the drainage efficiency of paving stone significantly.

The application belongs to the technical field of slump detection, and particularly relates to an engineering quality detection device, which comprises a workbench, a first lifting mechanism and a second lifting mechanism are installed on the workbench; the first lifting mechanism is used for adjusting the height of a inserting and tamping assembly; the second lifting mechanism is used for adjusting the height of a slump cylinder; the inserting and tamping assembly comprises a mounting frame body, an inserting and tamping rod and a driving mechanism used for driving the inserting and tamping rod to extend and retract; a mounting plate is rotatably installed on the mounting frame body, a guide sleeve is rotatably installed on the mounting plate, and the inserting and tamping rod is arranged in the guide sleeve; the driving mechanism is used for driving the inserting and tamping rod to axially extend and retract along the guide sleeve; the application can improve the consistency of the inserting and tamping depth, the inserting and tamping direction and the inserting and tamping sequence, make the concrete slump detection process more standardized, reduce the human operation difference, and improve the stability and repeatability of the detection result.

The present application belongs to the technical field of plant fiber surface modification, and provides a method for atomization-induced in-situ modification of plant fiber. The method comprises: preparing an aqueous inorganic salt solution, the inorganic salt being selected from at least one of sodium silicate, potassium silicate, sodium aluminate, aluminum sulfate, magnesium chloride and magnesium sulfate, the concentration being 0.3-4.0 wt%, and the pH value being 9.0-11.2; putting dry plant fiber into a plow blade fly cutter mixer to make the fiber loose and layered; starting the plow blade fly cutter to make the solution drop to the high-speed rotating plow blade fly cutter blade surface and be atomized into microdroplets, the microdroplets impacting, coating and dispersing the plant fiber under the action of centrifugal force and shear flow field; and continuously mixing until semi-dry modified plant fiber material is obtained. The present application effectively reduces modification energy consumption, improves modification uniformity and penetration depth, generates a chemical bonding mineral layer on the fiber surface in-situ, and significantly improves the flame resistance and water resistance of the plant fiber.

The application discloses a sample adding device and a sample adding method thereof, a sample analyzer and a sample adding method thereof. The sample adding device comprises a sampling needle, a first driving member, a second driving member and a controller. The controller is configured to control the first driving member to move the sampling needle to a liquid container, control the second driving member to draw liquid from the liquid container after the liquid in the liquid container is higher than a needle opening of the sampling needle, control the first driving member to move the needle opening of the sampling needle away from a liquid surface of the liquid container, control the second driving member to draw a preset volume of gas, control the first driving member to move the sampling needle to an empty cup container, and control the second driving member to discharge a liquid drop from the sampling needle when a distance between the needle opening of the sampling needle and a bottom wall of the empty cup container is within a preset range, and the speed of the liquid drop reaching the needle opening of the sampling needle is greater than 0. The sample adding device can improve the accuracy and repeatability of sample adding, and can also improve the efficiency of sample adding.

The invention provides ground anchor counter-force enhanced hydraulic static sounding equipment which comprises a bottom frame and a control system, a pressing frame is arranged above the bottom frame, a hydraulic cylinder for driving the bottom frame to move downwards or reset is arranged on the bottom frame, a probe rod is arranged in the pressing frame, and a reamer and a probe are sequentially arranged at the lower end of the probe rod; the control system comprises an acquisition module, a control module and an execution module; the acquisition module is used for acquiring conical tip resistance, side wall friction resistance and penetration speed of the probe and oil pressure data of the hydraulic cylinder; a control strategy is configured in the control module, and the control module is used for judging the stratum working condition according to the data collected by the collection module and generating a control instruction; the execution module is used for receiving the control instruction and adjusting oil pressure and flow of an oil way leading to the hydraulic cylinder; during penetration operation, the cone tip resistance and side wall friction resistance data are collected in real time through the collecting module, the penetration speed and the oil pressure are automatically adjusted, automatic penetration is achieved, manpower consumption is reduced, and the operation efficiency is improved.

The utility model relates to a wind distribution mechanism technical field especially, relates to a kind of hierarchical wind distribution mechanism for low-nitrogen combustion of coal-fired boiler.The utility model provides a kind of hierarchical wind distribution mechanism for low-nitrogen combustion of coal-fired boiler, including wind distribution mechanism shell, drive motor, impeller, connecting frame and wind distribution pipe etc., drive motor is connected with the rear side of wind distribution mechanism shell, drive motor output shaft is penetrated to wind distribution mechanism shell inner chamber, and is connected with impeller, impeller and wind distribution mechanism shell inner chamber constitute centrifugal wind distribution mechanism, and connecting frame is connected and communicated with the air outlet of wind distribution mechanism shell right end outlet.Through servo motor drive gear pair drive distribution pipe rotation, make the linear variation of the overlapping area of wind distribution through-hole and connecting pipe, realize the continuous accurate control of single branch air volume from full close to full open, combined with external control system, the air volume gradient required by each combustion layer of boiler can be dynamically matched, solve the traditional air door regulation lag problem, guarantee the combustion stability of lean oxygen / oxygen-rich partition.

This invention belongs to the field of epoxy resin technology, specifically relating to a low-viscosity, high-penetration epoxy resin adhesive, its preparation method, and its application. The prepared low-viscosity, high-penetration epoxy resin adhesive comprises the following components in parts by weight: 45-55 parts bisphenol F type epoxy resin, 15-20 parts bis((3,4-epoxycyclohexyl)methyl)adipate, 25-35 parts curing agent, 5-15 parts reactive diluent, 3-8 parts toughening agent, 0.5-1 part nano-silica, 0.5-2 parts siloxane coupling agent, 1-2 parts accelerator, and 0-0.5 parts penetrant. The preparation method includes the following steps: S1. Mixing and dehydration; S2. Ultrasonic dispersion for 20 min to obtain a mixture; S3. Heating the accelerator to 60℃ to melt, then adding the nano-silica and stirring for 1 h before adding it to the mixture obtained in step S2, and mixing evenly; S4. Curing and degassing to obtain the product. The low-viscosity, high-penetration epoxy resin prepared by this invention has low viscosity, high tensile strength, and high penetration depth, which can meet the needs of multiple application scenarios. The preparation method is simple and easy to industrialize.