2161results about How to "Reduce usage" patented technology

The invention discloses a preparation method of a high-yield camellia oleifera shell pulp. The preparation method of the high-yield camellia oleifera shell pulp specifically comprises the steps of mechanical grinding, pre-impregnation, mechanical disc grinding treatment, washing, defibering and screening. The preparation method prepares the high-yield camellia oleifera shell pulp through a chemical and mechanical method; the prepared high-yield camellia oleifera shell pulp has the advantages of being high in yield, good in pulping performance and drainability and the like and can be applied tothe fields of paper-based packaging, molding and decorating materials and the like, thereby to some extent easing the stress brought about by shortage in papermaking fiber resources. Besides, a largenumber of waste camellia oleifera shells are applied to the fields of pulping and papermaking to achieve efficient and high-value application of agricultural waste.

The utility model discloses a bed body frame of a seedling raising bed, which is used for placing hole trays for seedling raising and comprises a plurality of cross beam section bars, a plurality of supporting pipe columns and connecting rods, the cross beam section bars are arranged in parallel, the supporting pipe columns are also arranged below the cross beam section bars vertically, and the connecting rods are connected with the cross beam section bars. The adjacent supporting pipe columns are connected through the connecting rods. Each cross beam sectional material comprises a cross plate and a separation part, the separation part is vertically arranged on the upper surface of the cross plate, a sliding groove is formed by the separation part and the upper surface of the cross plate, and the hole tray is placed on the sliding groove of the adjacent cross beam sectional material and can slide in a reciprocating mode along the sliding groove. The hole tray is simple in structure, high in strength, high in precision, good in stability and capable of enabling the hole tray to slide smoothly in the sliding groove.

The invention provides a precise and small broadband hyperspectral imager, which is used for solving the technical problem that the existing broadband spectral imager from visible near-infrared to short-wave infrared for sceneries cannot meet the increasingly harsh imaging requirements. According to the small broadband hyperspectral imager, the front optical assembly of an off-axis two-reflection structure and the spectrometer assembly in a free-form surface reflector, optical path multiplexing and axis folding mode are adopted, the number of used lenses is greatly reduced, meanwhile, the length of a spectrometer is effectively reduced, and the imaging precision is improved. The volume and the weight of the spectral imager are greatly reduced; besides, front surfaces and rear surfaces of a first lens and a second lens in the spectrometer assembly are plated with broadband antireflection films from visible near-infrared to short-wave infrared according to light angles, and broadband detection from visible near-infrared to short-wave infrared can be realized in combination with a broadband refrigeration type detector. And the complexity and the installation and adjustment difficulty of the detector assembly and the circuit assembly are greatly reduced.

The utility model relates to a tool changing device and a machining system, the tool changing device comprises a pick-and-place mechanism, and the pick-and-place mechanism is used for picking and placing a cutter head or a cutter box; in the cutter position, the cutter obtained by the taking and placing mechanism is placed in the cutter position, and the new cutter box and the old cutter box are exchanged in the cutter position; and the cutterhead opening and closing mechanism is used for opening or closing the cutterheads at the cutterhead positions, when the cutterheads are opened, the cutter boxes can be taken out or put into the cutterheads, and when the cutterheads are closed, the cutter boxes in the cutterheads are fixed. The cutter box in the cutter head can be replaced on the cutter replacing device, efficient circulation of cutters is achieved, the number of used cutter heads is reduced, and cost is reduced.

The invention relates to the technical field of oil field oil production engineering, in particular to an underground data acquisition unit with flow, pressure and temperature monitoring functions and a method. The method is suitable for underground working condition monitoring of submersible motor type lifting equipment such as submersible screw pumps, submersible plunger pumps and submersible centrifugal pumps. The unit comprises a pressure-resistant shell, wherein a central pipe, an electromagnetic flowmeter, two pressure and temperature sensors and an underground parameter collector are integrated in the pressure-resistant shell; the two sensors are used for measuring the temperature and pressure of liquid flow of the central pipe and the temperature and pressure of an oil casing annulus respectively; the electromagnetic flowmeter measures the flow, and real-time temperature and pressure data are used for compensation to improve the precision. The unit is further provided with a collecting pipe, an upper end, a lower end, a connecting sliding ring, an annulus / oil pipe inner testing channel, a sealing rubber ring and the like. Through the integrated design, synchronous high-precision in-situ monitoring of underground key parameters is achieved, the problem that underground data of multiple instruments are not synchronous is solved, and a reliable data terminal is provided for an intelligent oil field.

The invention discloses a cross-temperature health state assessment method and system for an underwater robot battery, and relates to the technical field of battery health state assessment, and the method comprises the steps: S1, collecting data in the operation process of an underwater robot; s2, an environment temperature profile is constructed, and working condition types are identified; s3, constructing a multi-dimensional health feature vector; s4, constructing an LSSVM and SVR regression model, and optimizing model hyper-parameters; s5, calculating characteristic stability and comprehensive complexity indexes, and adaptively selecting a model; s6, identifying the working condition category of the charge-discharge cycle, extracting and standardizing the features, calling the adaptive model, iteratively outputting SOH estimated values, and splicing to form an SOH evolution curve; according to the cross-temperature health state evaluation method and system for the underwater robot battery provided by the invention, the problems of unstable cross-temperature performance and insufficient generalization ability in the prior art are solved.

The invention discloses a preparation method and application of a bimetallic phosphate oxygen evolution electrode. The preparation method of the bimetallic phosphate oxygen evolution electrode comprises the following steps: cleaning a nickel substrate in an alkaline solution to remove oil, and cleaning the nickel substrate with pure water; soaking the cleaned nickel substrate in an acid solution, cleaning the nickel substrate with pure water, and placing the nickel substrate in the pure water for later use; the nickel substrate placed in the pure water serves as a cathode, two pure nickel materials are placed on the two sides of the nickel substrate to serve as two anodes, and electro-deposition is conducted on the nickel substrate in a bimetallic phosphate solution; and washing an electrode obtained after electrodeposition of the nickel substrate, and drying to obtain the bimetallic phosphate electrode. According to the preparation method, the adsorption free energy of a catalytic layer on the surface of the bimetallic phosphate oxygen evolution electrode on a reaction intermediate is optimized through the synergistic electronic effect of two metals, so that the intrinsic activity of oxygen evolution reaction is improved, meanwhile, a relatively stable catalytic layer structure is formed, and the stability of the bimetallic phosphate oxygen evolution electrode in the oxygen evolution process is improved.

The utility model provides a pond backflow cleaning and floating device, and belongs to the technical field of treatment of suspended impurities in wastewater. Comprising a mounting frame, a box body, a collecting basket, a sewage pump, a medicament tank and a monitor, an adjusting bolt is arranged at the top of the mounting frame, and the box body is movably mounted on the mounting frame through the adjusting bolt; a water inlet allowing water to flow in is formed in one side of the box body, the collecting basket is installed in the box body, and filtering holes are formed in the collecting basket; the sewage pump is positioned in the box body and is opposite to the water inlet so as to guide water flow into the box body and the collecting basket; the medicament tank is positioned in the box body and is used for performing medicament adding treatment on the water flow entering the box body and the collecting basket; a monitor is arranged on the mounting frame and transmits the detected water flow condition to a remote control unit in a signal form, and the remote control unit controls the operation states of the sewage pump and the medicament tank according to the detected water flow condition.

The invention discloses a micro-seismic outrange waveform reconstruction method based on multi-station joint calibration, and the method comprises the steps: firstly obtaining outrange sections and outrange stations corresponding to different micro-seismic events of each station, and then for the same micro-seismic event, selecting a station which does not generate outrange saturation as a reference station, and carrying out the calibration of the outrange waveform. Carrying out time alignment on a seismic phase time window of the reference station and a corresponding time period of the outrange station, and then calculating an equivalent attenuation coefficient corresponding to the micro-seismic event by adopting a multi-station joint inversion mode, so as to avoid the use of missing data; and finally, mapping the complete waveform amplitude of the reference station in the outrange section to the outrange station by using the equivalent attenuation coefficient to realize the real waveform amplitude of the outrange station in the outrange section, so that each station can obtain continuous microseismic waveforms in different microseismic events. Through the method, the physical consistency and availability of the outrange micro-seismic waveform are improved, and a reliable data basis is provided for micro-seismic energy evaluation, risk analysis and a subsequent intelligent early warning model.

The present application provides a diaphragm-free lithium ion battery. The battery comprises a positive electrode current collector, a positive electrode active material, a solid electrolyte, a solvent, a negative electrode active material, and a negative electrode current collector. The solid electrolyte is a solid porous organic polymer, which contains specific functional groups, including weakly coordinated anion groups, and the corresponding cation of the anion group is lithium ion. The porous polymer is a solid powder, which can act as a barrier between the positive electrode active material and the negative electrode active material, eliminating the need for a diaphragm and greatly improving the safety performance of the battery.

The application provides an automobile engine compartment drainage air intake system and a vehicle, and belongs to the technical field of automobile parts, wherein the automobile engine compartment drainage air intake system comprises a ventilation cover plate, an air chamber, a left drainage groove structure and a right drainage groove structure; the middle part of the top plate of the air chamber is concave downward, and an accommodation space extending along the length direction of the air chamber is formed between the top plate and the ventilation cover plate; the left drainage groove structure is arranged below the ventilation cover plate; the right drainage groove structure comprises a drainage groove body, the drainage groove body is arranged in the accommodation space, and the opening of the drainage groove body is communicated with the water inlet. The automobile engine compartment drainage air intake system provided by the application correspondingly sets the drainage groove structure as the left drainage groove structure and the right drainage groove structure; two drainage groove structures are used for drainage respectively, so that the drainage groove structure does not span the width direction of the vehicle body, the space occupation area of the drainage groove is smaller, the size of the engine compartment is reduced, the layout in the engine compartment is optimized, and the engine compartment maintenance is facilitated.

This disclosure provides a method and apparatus for estimating the latitude and longitude of a base station. The method includes acquiring measurement and statistical MR data of multiple cells covered by the base station to be estimated. The MR data includes at least one of the following: the identifier of the base station to be estimated, the received reference signal strength (RSRP), and the timing advance (TA). The MR data is preprocessed to obtain a set of MR sample points for the base station to be estimated. Based on RSRP or TA, a distance calculation model and an objective function are established. The distance calculation model is used to calculate the distance between the multiple MR sample points and the base station to be estimated. Based on the distance calculation model and the objective function, a gradient descent algorithm is used to determine the longitude and latitude of the base station to be estimated. This method reduces the amount of data required for solving the problem by preprocessing the MR data to obtain the set of MR sample points. The gradient descent algorithm is used to iteratively solve the objective function to obtain the longitude and latitude of the base station to be estimated, improving the speed of calculating the latitude and longitude of the base station and the accuracy of the measurement results.

The invention discloses a gradient composite reinforced anti-corrosion treatment method for a metal alloy guardrail, and belongs to the technical field of metal material surface treatment. The method comprises the following steps: carrying out ultrasonic cavitation micro-etching and electrochemical gradient activation pretreatment on the surface of a substrate; a metal ceramic composite layer containing a non-oxide ceramic reinforced phase is generated on the surface in situ through a micro-arc oxidation-chemical vapor deposition coupling process, and a component transition layer is formed with the assistance of vacuum gradient diffusion alloying treatment; and finally, coating an intelligent resin coating containing a corrosion inhibitor capsule and a corrosion indicator, and constructing a super-hydrophobic surface. By constructing a multi-layer composite protection system of the gradient diffusion layer / the metal ceramic layer / the intelligent coating / the super-hydrophobic layer, the anti-corrosion performance is remarkably improved, and the obtained guardrail has excellent bonding strength, wear resistance and long-acting anti-corrosion service life, has the intelligent functions of damage self-repairing and corrosion state visualization and is suitable for popularization and application. The method is especially suitable for harsh service environments.

The utility model provides a kind of pulling device for endoscopic surgery, it includes connecting piece, and multiple pulling rings fixed on the connecting piece, multiple the pulling ring is sequentially spaced along the length direction of the connecting piece, and the intersection of adjacent two the pulling ring and the included angle is 72 °-120 °;The material of the connecting piece is inelastic material, and the material of the pulling ring is elastic material.The pulling ring of the present application is suitable for endoscopic dissection surgery, cooperates tissue clamp, according to different needs, pulls open mucosa, improves surgical field of view, and the number of tissue clamp can be reduced, the operation time is reduced, and the operation cost is saved.

The application relates to the technical field of massage equipment, in particular to a sliding contact power supply device and a massage chair, which comprises a strip-shaped conductive assembly, a sliding conductive assembly and at least one flexible rack; the flexible rack is used for engaging and driving a gear on a massage core; the strip-shaped conductive assembly is used for electrically connecting with an external power supply and is installed along the extension path of the flexible rack; the sliding conductive assembly comprises a mounting seat and a conductive structural member; the mounting seat is fixedly installed on the massage core; when the massage core moves along the flexible rack, the conductive structural member is fixed on the mounting seat and is in sliding contact with the surface of the strip-shaped conductive assembly to supply power to the massage core. The application has the advantages of compact structure, small space occupation, stable power supply and good adaptability to the reciprocating motion of the massage core.

The application discloses a gain amplifier based on multi-stage gain, and relates to the field of amplifiers.The gain amplifier comprises an input signal processing circuit, a first-stage gain circuit, a second-stage gain circuit, a third-stage gain circuit, and an output signal processing circuit.The input signal processing circuit is used for processing an input signal.The first-stage gain circuit is used for gain amplification processing of the signal processed by the input signal processing circuit to obtain a first signal.The second-stage gain circuit is used for gain amplification processing of the first signal to obtain a second signal.The third-stage gain circuit is used for gain amplification processing of the second signal to obtain a third signal.The output signal processing circuit is used for outputting the third signal after processing.The feedback circuit is used for adjusting the gain amplification processing effect of the first-stage gain circuit, the second-stage gain circuit and the third-stage gain circuit.The application can improve the gain of the gain amplifier, improve the linearity and bandwidth of the gain amplifier, and effectively control the size and cost of the gain amplifier.

The utility model discloses a modularized pelvis fixator, relates to the technical field of medical instruments, and solves the problem that secondary injury is caused to a patient due to the fact that a connecting rod and a bone traction needle possibly interfere with each other when the number of operation parts is too large in the prior art. The main mounting seat is arranged on the outer trapezoidal supporting frame and used for mounting and locking the connecting rod, more straight line sections can be conveniently connected with the locking block through the outer trapezoidal supporting frame, meanwhile, the trapezoidal structure avoids shielding of an operation space in an operation, and better applicability is achieved; the outer trapezoid supporting frame has the advantages that the fixing rod scheme combination is more visual and convenient, meanwhile, the straight line section and the locking block can be connected more stably, the problem of unstable connection of the arc section is avoided, the inner rectangular supporting frame is adopted on the inner side, the inner operable space is larger, and operation in the operation is facilitated.

The application discloses a method for synthesizing tervalent tetraaryl iron porphyrin from pyrrole, aromatic aldehyde and ferrous salt, which comprises the following steps: adding anhydrous aluminum chloride, aromatic aldehyde, pyrrole and ferrous salt into DMF under stirring, and then heating and refluxing the reaction mixture for 0.5 hours under nitrogen; removing the nitrogen and continuing to heat the reaction mixture for a certain time; stopping the reaction; cooling the reaction mixture; and placing the reaction mixture at 273K overnight; and finally filtering the reaction mixture to obtain the iron porphyrin.

The invention belongs to the technical field of ecological water, mainly relates to ecological water for removing fruit peculiar smell, and particularly relates to ecological water for removing fruit peculiar smell and a preparation method thereof. Neotame and glucose modified cortex phellodendri are matched with tupistra chinensis, pogostemon cablin, liquorice and clove to be decocted into a traditional Chinese medicine decoction. According to the invention, lactobacillus plantarum ATCC 8014 and bacillus subtilis ATCC 6633 are used for fermentation. The antibacterial activity of the ecological water is improved, and the bitter taste of the cortex phellodendri is effectively removed due to the synergism of the two sweetening agents, namely the neotame and the glucose. The bacillus subtilis HZ-72 antagonistic bacteria used in the invention can enhance the capability of inhibiting pathogenic bacteria. Syzygium aromaticum has antibacterial activity, pogostemon cablin has an antiviral effect, and the syzygium aromaticum and the pogostemon cablin cooperate to enhance the antibacterial The ecological water prepared by the invention can remove peculiar smell and preserve freshness, and has a great development prospect in the field of fruit preservation.

The utility model relates to dry desulfurization tower technical field, and disclose refractory kiln dry desulfurization tower venturi adjustable mechanism, including venturi, the inner wall fixed assembly of venturi has fixed frame, the inner wall sliding connection of fixed frame has baffle no.

The utility model discloses a variable diameter blowout preventer pipe relates to wellhead sealing blowout preventer technical field, and its technical key points include main pipeline, the top of main pipeline installs first variable diameter pipe, the top of first variable diameter pipe installs second variable diameter pipe, the top of second variable diameter pipe installs the top pipe, the utility model discloses when using, realized through variable diameter pipe group and realized the passage diameter adaptation, and pressure sensor and blowout preventer valve guarantee safety, with the help of flange, U -shaped clamping plate and locking assembly, realize quick firm connection with least three bolts, trapezoidal positioning structure realizes pipeline accurate butt joint, and the overall operation efficiency, safety and convenience are improved.

This invention belongs to the field of catalyst preparation technology, specifically disclosing a catalyst for the hydrogenation of carbon dioxide to low-carbon olefins, its preparation method, and its application. The preparation method is as follows: An aqueous solution of the target metal salt is prepared, a precipitant is added for co-precipitation, and the solution is filtered, washed, dried, and calcined to obtain the corresponding metal oxide. An aluminum source, triethyl phosphate, a silicon source, and an imidazole derivative template agent are added to deionized water, and mixed to form a concentrated gel. The resulting concentrated gel system is heated to crystallize without the addition of a mesoporous pore-forming agent. The crystallized product is separated, washed, dried, and calcined to obtain a molecular sieve. The metal oxide and the molecular sieve are physically mixed and ground at a mass ratio of 1:10 to 10:1 to obtain a composite catalyst. This invention, through the synergistic effect of triethyl phosphate and the concentrated gel system, induces a non-classical growth mechanism to achieve multi-level pore self-assembly, without the need for additional mesoporous template agents, and significantly reduces the amount of template agent used. The composite catalyst exhibits mild acidity and excellent diffusion performance.

The utility model relates to the technical field of battery installation, and discloses a new energy automobile battery pack and automobile body integrated connecting structure which comprises a chassis fixing frame, an adjusting mechanism is arranged on the chassis fixing frame, an auxiliary mechanism is arranged on the adjusting mechanism, and the adjusting mechanism comprises a top hole. The top hole is formed in the inner wall of the top of the base plate fixing frame, the inner wall of an inner ring of the top hole is in threaded connection with a fixing screw, the outer wall of the bottom of the base plate fixing frame is fixedly connected with a T-shaped frame, a penetrating hole is formed in the inner wall of the front side of the T-shaped frame, the inner wall of the top of the T-shaped frame is slidably connected with a concave frame, and butt joint holes are formed in the outer walls of the front side and the rear side of the T-shaped frame. According to the utility model, the convenient installation and stable connection of the battery pack rack and the vehicle body are realized through the structural design, and the use amount of fixing parts is reduced by utilizing the guiding and limiting effects of a specific structure, so that the disassembly and assembly process is simplified, the maintenance time is shortened, and the protection performance can be enhanced through the sealing part.

The invention discloses a sewage plant tail water treatment system and method, and relates to the technical field of sewage treatment.The sewage plant tail water treatment system is applied to tail water generated by a sewage plant adopting an ozone advanced oxidation technology, and the treatment system comprises an activated carbon reaction device, a denitrification reaction device, an ecological pond and a horizontal subsurface flow wetland; the activated carbon reaction device is communicated with the tail water pipe and comprises an activated carbon filtering layer, and the activated carbon filtering layer is used for adsorbing chemical oxygen demand and dissolved oxygen in tail water; the denitrification reaction device is communicated with the activated carbon reaction device and comprises a denitrification filter material layer, and the denitrification filter material layer is used for autotrophic denitrification nitrogen removal of tail water; the ecological pond is communicated with the denitrification reaction device and comprises aquatic plants and aquatic animals; the horizontal subsurface flow wetland is communicated with the ecological pond and is used for deeply filtering the tail water. The treatment system can improve the purification effect of the tail water of the sewage plant.

The application relates to the technical field of waste gas treatment, in particular to a plate-and-frame filter press room unorganized gas treatment system which comprises a filter press room, a filtering device, an absorption device and an air induction device, the filter press room, the filtering device, the absorption device and the air induction device are sequentially connected, the filtering device comprises a filtering device body, a first air inlet is arranged on one side of the filtering device body, a first air outlet is arranged on the top surface of the filtering device body, a filtering screen is vertically arranged in the filtering device body and is in sliding connection with the filtering device body, a first limiting block and a second limiting block are arranged in the filtering device body, the first limiting block is located between the second limiting block and the first air inlet, the filtering screen is located between the first limiting block and the second limiting block, and the second limiting block is located on the side of the first air outlet close to the first air inlet; an arc-shaped elastic sheet is arranged on the side of the filtering screen away from the first air inlet and is connected with the filtering device body. The system can effectively prevent the filtering screen from being blocked.

The present application relates to the technical field of building construction, in particular to a bolt end plate connecting joint of a fabricated concrete beam column, comprising a sleeve plate one and a sleeve plate two, both of which are sleeved on a steel column, both sides of the steel column are provided with a concrete fabricated beam, the bottom surface of the sleeve plate one is fixed with two groups of traction plates, each group is provided with two traction plates, the two traction plates are inserted into two groove bodies at the end of the concrete fabricated beam, the surface of the traction plate is fixed with a connecting plate, and the surface of the connecting plate is provided with a assembling groove, the sleeve plate one and the sleeve plate two are sleeved on the steel column, the pre-limiting of the concrete fabricated beam is realized through the traction plate, the screw rod and the nut, the operation process is simple and easy to understand, the construction personnel do not need to have superb welding skills, only need to install the parts and tighten the bolts according to a certain order, the connection can be completed, the construction time is greatly shortened, and the construction efficiency is improved.

The utility model relates to portable crop pest killer technical field especially portable crop pest killer, including pest killer shell, the pest killer shell is provided with connecting mechanism, the connecting mechanism contains the first assembly of setting in the pest killer shell upper section, the second assembly is provided with in the pest killer shell middle section, the third assembly is provided with in the pest killer shell lower section. Portable crop pest killer adopts the physical pest killing mode of double pest killing lamp first pest killing lamp and second pest killing lamp combination airflow suction, avoids the use of chemical pesticide, effectively reduces the pollution to the ecological environment such as soil, water source, the top drive motor drives the fan blade to produce downward airflow, the bottom exhaust fan provides strong suction, both cooperate with each other, accelerate the pest to move to the pest killer inside and transport to the collecting cylinder, again cooperate with the control of the falling rhythm of the pest of rotary plate and fixed baffle, significantly improve the pest trapping and collection efficiency, and the pest killing effect is greatly promoted.

The utility model discloses a kind of pest trapping devices, it is related to pest control equipment technical field, including top cover, solar driving mechanism, base assembly, connecting arm, fixed clamp and capture assembly, solar driving mechanism is installed on top cover, base assembly is located below top cover, top cover is connected between base assembly by connecting arm, connecting arm is U-shaped structure, fixed clamp is installed on connecting arm, the pest trapping device is fixedly installed at specified capture site by fixed clamp, capture assembly is installed on the output end of solar driving mechanism, and rotate by solar driving mechanism drive, under the drive of solar driving mechanism, capture assembly makes circular motion around base assembly, base assembly includes pest collection box, pest collection box is communicated with capture assembly, pest attracted by base assembly is driven and guided to pest collection box by capture assembly and is captured and collected, the above driving principle is similar to full-automatic rotary fly trap.

The utility model relates to the technical field of nuclear power stations, in particular to an anti-deformation bracket for nuclear power station containment transportation. The nuclear power station containment transportation anti-deformation bracket comprises a truss and a supporting cushion frame. The truss comprises a plurality of main frame bodies, and the plurality of main frame bodies are sequentially connected end to end to form a main frame; the plurality of supporting pad frames are arranged at intervals, and are sequentially connected through the main frame; in every two adjacent main frame bodies, a first lifting lug is arranged on one main frame body, a second lifting lug is arranged on the other main frame body, the first lifting lug and the second lifting lug are connected through a first pin shaft after being matched, one of the first lifting lug and the second lifting lug is a single-side lifting lug, and the other one of the first lifting lug and the second lifting lug is a double-side lifting lug. The utility model provides an anti-deformation bracket for transportation of a containment vessel of a nuclear power station, which is used for preventing the containment vessel from being deformed in the transportation process.