13results about How to "Achieve concentration" patented technology

The application provides a method for constructing a regulation network of a potato JA pathway in response to Cd stress. The method relates to the technical field of data processing, and comprises the following steps: obtaining multi-omics time series data of potatoes under the conditions of cadmium stress and methyl jasmonate treatment; performing signal decomposition and feature purification on the multi-omics time series data by using a weak stationary signal decomposition method based on sequence patterns to obtain a plurality of intrinsic mode components; constructing a dynamic regulation network model to capture multi-scale change patterns of response characteristics in the time dimension and the concentration dimension, thereby extracting deep features; inputting the intrinsic mode components into the trained dynamic regulation network model to output an attention weight matrix, thereby forming a regulation network representing the dynamic regulation intensity of the jasmonic acid pathway; and solving the optimal exogenous methyl jasmonate concentration for promoting biomass and inhibiting cadmium accumulation by optimizing an objective function. The application provides a high-precision model tool for analyzing the regulation mechanism of plant hormone signals under heavy metal stress.

This invention provides a salt-resistant evaporator and its preparation method that utilize a dual-scale structure to achieve salt migration and bidirectional water replenishment, belonging to the field of saline wastewater treatment such as seawater desalination. The salt-resistant evaporator of this invention includes: an evaporation main frame, composed of an array of micron-sized unit cells connected together, with micron-sized pores between each pair of micron-sized unit cells; millimeter-sized channels passing through the evaporation main frame and located at its geometric center, communicating with the micron-sized pores between each pair of micron-sized unit cells; and a hydrophilic photothermal conversion coating disposed on the outer surface of the evaporation main frame. The salt-resistant evaporator of this invention forms a temperature gradient and a concentration gradient inside, thereby triggering Marangoni convection, pumping salt from a high-concentration region (micron-sized unit cells) to a low-concentration region (millimeter-sized channels), and finally returning it to the solution to be evaporated, ultimately achieving real-time salt migration.

The utility model relates to a car technical field especially, it is a kind of central hand box refrigeration structure, including central hand box, condenser pipe, semiconductor refrigeration module, shroud and heat dissipation pipeline, wherein, central hand box inside is equipped with refrigeration space;Condenser pipe is embedded in the lateral wall of refrigeration space, and its both ends are communicated with the refrigerant circulation pipeline of car air conditioning system by pipeline;Semiconductor refrigeration module cold end is embedded in the lateral wall of refrigeration space, and hot end is placed in the inside of shroud;Shroud is fixed in the inside of central hand box;One end of heat dissipation pipeline is communicated inside shroud, and the other end is communicated to engine cabin, and exhaust fan is embedded in the inside of heat dissipation pipeline;The utility model proposes a kind of central hand box refrigeration structure, it is additionally equipped with semiconductor refrigeration module as auxiliary cold source, can carry out cold supplement to refrigeration space under the condition that vehicle is temporarily extinguished, effectively inhibits the temperature rise in refrigeration space, and reduces temperature fluctuation, guarantees the continuity and stability of refrigeration effect.

The utility model discloses a single well pipeline, hydrogen sulfide closed automatic monitoring device of oil gathering trunk line, including detection casing, the detection casing top sets up linear drive arrangement, the detection casing inside sets up sealing device, sealing device is connected to the output shaft of linear drive arrangement, the detection casing is divided into air cavity, detection cavity by sealing device, the detection casing sets up exhaust port in air cavity, the detection casing sets up gas guide port in detection cavity, the detection casing sets up detection mouth, and the detection mouth is communicated with air cavity or detection cavity under the control of sealing device, and the gas guide port is connected gas -liquid separation collection device. The utility model will collect the gas in the pipeline, measure the hydrogen sulfide content in natural gas, and push the measurement gas back to the original flow after measuring, and the hydrogen sulfide gas that escapes a little is absorbed through the hydrogen sulfide removing agent, which fundamentally eliminates the environmental air pollution.

The invention relates to a valve block, a control cover plate and a cartridge valve. Compared with the prior art, the second pressure buildup oil port of the pressure buildup oil way is used for obtaining hydraulic oil from the second main oil way of the valve block, and the first pressure buildup oil port is used for conveying the obtained hydraulic oil to the first main oil way of the valve block through the pressure buildup oil way; the first pilot oil way is connected with the pressure buildup control valve and drives the pressure buildup control valve to be opened through a hydraulic signal so as to conduct the pressure buildup oil way. Due to connection of the pressure buildup oil circuit, bypass connection of the second main oil circuit and the first main oil circuit is achieved, then oil pressure between the second main oil circuit and the first main oil circuit is balanced, the oil pressure difference between the two sides of the valve element assembly is reduced, the initial potential energy of oil flowing out can be reduced after the valve element is opened, and hydraulic oil can flow gently; and the pressure impact problem of the system at the conduction moment is improved.

The application relates to the technical field of unmanned aerial vehicles, in particular to a throwing device and an unmanned aerial vehicle thereof, which comprises a base, an accommodating cavity for accommodating a control panel is formed in the base; a support frame extends outwardly with the base as the center, the support frame is provided with a wiring cavity communicating with the accommodating cavity; a quick-release assembly is arranged at the top of the base and / or the support frame, and a wire passing channel communicating with the accommodating cavity is arranged in the quick-release assembly; a plurality of throwing assemblies are correspondingly arranged at the ends of the support frame, so that the center of gravity of the base is kept balanced, the cables of the throwing assemblies sequentially pass through the wiring cavity of the support frame, enter the accommodating cavity and are connected with the control panel, and the cable of the control panel is led out through the wire passing channel and is used for electrically connecting with the unmanned aerial vehicle. The application realizes centralized, orderly and concealed arrangement of the cables of the multiple throwing assemblies, and the structured wiring mode solves the problem of disorder of the internal cables of the traditional multiple throwing end devices.

The invention provides an on-chip variable resistance device structure and electronic equipment. The on-chip variable resistance device structure comprises a substrate, a nitride epitaxial layer, an electrode structure layer and a gate structure layer, wherein the nitride epitaxial layer is formed on the substrate; the electrode structure layer and the gate structure layer are formed on the nitride epitaxial layer; the electrode structure layer comprises a first electrode and a second electrode, the nitride epitaxial layer comprises a channel layer and a barrier layer which are used for forming a heterojunction interface, and the gate structure layer comprises a first semiconductor layer and a third electrode which are stacked and formed on the barrier layer, and a separation groove formed in the first semiconductor layer. By regulating and controlling the extension path and the structure parameter of the separation groove on the barrier layer and combining the applied voltage of the third electrode, the concentration and the distribution of two-dimensional electron gas at the heterojunction interface and the dynamic control of a conductive channel can be realized, so that the wide-range and high-precision dynamic adjustment of the on-chip resistance device structure on-resistance is realized, and the on-chip resistance device is suitable for large-scale production. The technical requirements of a high-performance integrated system on the on-chip variable resistor are met, and the on-chip variable resistor has important application value.

The application discloses a front-mounted natural gas oil removal drying device applied to the technical field of oil removal devices, and the natural gas is conveyed into a drying tank body, so that the natural gas is floated in the form of bubbles through a gas surge pipe into a clean water tank, and the flowing direction of the pure water in the clean water tank to the drying tank body effectively prevents the water in the drying tank body from entering the clean water tank along with the bubbles, further effectively prevents oil from entering the clean water tank, realizes the separation of the natural gas and the oil, utilizes the natural gas bubbles which are concentrated and floated by the extension pipe, and drives the pure water in the clean water tank to rise along with the bubbles in the extension pipe by the water guide paddle wheel, so that the natural gas is released from the top end of the extension pipe, the pure water which rises along with the bubbles is overflowed from the top end of the extension pipe, the pure water is effectively prevented from staying in the natural gas release area, the oil which is left on the liquid surface of the pure water is effectively prevented from contacting the natural gas, and the oil removal effect of the natural gas is further improved.

This invention discloses an air particulate matter separation device and method. The device includes a fan, a purified water chamber, and a multi-stage separation chamber. A filter element is installed within the multi-stage separation chamber. The fan blows air carrying dust particles into the multi-stage separation chamber, causing the dust particles (calcium carbonate particles) to be filtered onto the filter element. The multi-stage separation chamber is connected to a first gas separation mechanism, which in turn is connected to the purified water chamber. The purified water chamber stores distilled water. The first gas separation mechanism separates carbon dioxide from the air and inputs the carbon dioxide into the purified water chamber, converting the distilled water into carbon dioxide-containing water. The purified water chamber is connected to the multi-stage separation chamber, and the filter element is rinsed using this carbon dioxide-containing water. During physical rinsing, carbon dioxide, water, and calcium carbonate react to form calcium bicarbonate dissolved in the water, effectively removing dust particles adhering to the filter element, preventing filter pore clogging, extending filter element life, and avoiding frequent filter element replacements.

The application relates to the technical field of semiconductor packaging, in particular to a radio frequency unit; the unit comprises a substrate; a semiconductor device module is arranged on the substrate, and the semiconductor device module comprises a filter chip and a to-be-filled device; the filter chip has a first end closest to a first edge of the substrate and a second end farthest from the first edge of the substrate, the first end is arranged at a first distance from the first edge of the substrate, and the second end is arranged at a second distance from the first edge of the substrate; the to-be-filled device has a third end closest to the first edge of the substrate and a fourth end farthest from the first edge of the substrate, the third end is arranged at a third distance from the first edge of the substrate, and the fourth end of the to-be-filled device is arranged at a fourth distance from the first edge of the substrate; the third distance and the fourth distance are not simultaneously between the first distance and the second distance. The radio frequency unit adopting the application can centrally arrange the filter chip in the module, realizes centralized film coating area, saves the film coating area, and reduces the cost.

A kind of gel material for reducing bladder stone formation and its preparation method and application, the raw materials of the gel material include temperature-sensitive component Pluronic F127, photo-crosslinking component methacrylated gelatin and active functional ingredient cerium dioxide nanoparticles.The gel material is liquid at low temperature, which is convenient for perfusion into bladder through catheter;It quickly changes into physical gel at body temperature, realizing in-situ forming;Then it occurs photo-crosslinking through ultraviolet irradiation, forming chemical crosslinking gel with high mechanical strength and good stability, which can resist urine flushing and realize long-term residence.Loaded cerium dioxide nanoparticles continuously remove reactive oxygen species in stone formation microenvironment by simulating catalase and superoxide dismutase activity, thereby inhibiting the nucleation, growth and aggregation of crystals.The material has excellent biocompatibility, simple preparation method, can significantly reduce bladder stone formation, and has broad application prospect in preventing postoperative recurrence of bladder stone and conservative treatment.

This utility model discloses a convenient ampoule cap for dispensing liquid, comprising an inner plug and an outer cap. The inner plug is used for sealing assembly with an external container and is provided with a liquid guiding hole. The inner ring of the outer cap has internal threads for threaded connection with the external container. A positioning sealing structure is provided between the inner plug and the outer cap. The positioning sealing structure can be sealed and inserted into the liquid guiding hole during the assembly of the outer cap, thereby achieving effective sealing of the liquid guiding hole. This utility model introduces a positioning sealing structure between the traditional inner plug and outer cap, allowing the ampoule to maintain good sealing while being easily opened and closed by tightening or unscrewing the outer cap. This avoids the cumbersome step of first removing the inner plug and then pouring out the liquid in the traditional structure, improving efficiency. This structure can effectively prevent liquid spillage, ensure concentrated and stable liquid dispensing, and is simple and reliable to operate. It is suitable for medical, cosmetic, and laboratory applications that require high sealing and convenient liquid dispensing, and has good application value.