258results about How to "Efficient filling" patented technology

The invention discloses a data prediction method based on a kernel regression primary function Bayesian dynamic linear model, and belongs to the technical field of bridge structure health prediction. A to-be-analyzed bridge is detected by using a structural health monitoring system (SHM), and a time series dynamic model KR-BDLM of a Bayesian dynamic linear model is established to describe a bridge structure strain response changing along with time, so that bridge structure health monitoring data prediction and missing value filling are realized; performing parameter optimization reasoning on parameters of the KR-BDLM model by adopting a maximum likelihood algorithm; providing a time-varying state parameter and an observation prediction value of a bridge structure through the optimized KR-BDLM model, and further realizing SHM monitoring data single-step prediction; and multi-step prediction is carried out on the basis of single-step prediction, so that longer-time prediction of bridge data is realized. The prediction result is high in precision, the engineering structure safety can be effectively guaranteed, and the leading-edge development of the structure health monitoring field is promoted.

The invention relates to a preparation method for improving a sodium alginate pervaporation membrane by using a two-dimensional leaf-shaped zeolite imidazole framework (ZIF-L) material, and particularly relates to a preparation method for improving a sodium alginate pervaporation membrane by using a two-dimensional leaf-shaped zeolite imidazole framework (ZIF-L) material. The pervaporation mixed matrix membrane comprises a base membrane and a separation layer membrane, the base membrane adopts a polyacrylonitrile (PAN) membrane, and the separation layer is composed of ZIF-L and sodium alginate. According to the invention, the distribution of ZIF-L in the membrane is improved, directional arrangement is formed, and the separation effect and selectivity of the composite membrane are improved. A novel process is adopted, the defect problem of the ZIF-L-SA membrane is eliminated, the continuous ultrathin ZIF-L membrane is prepared through a secondary seed growth method, and the performance of the two-dimensional ZIF-L membrane is improved. The ZIF-L synthesis conditions are mild, the method is simple, hydrophilic modification of the membrane surface is achieved, an internal water molecule transmission channel is constructed, and the separation factor and stability of the membrane are improved. The prepared high-flux pervaporation membrane has a wide application prospect.

The invention relates to a gob-side entry retaining grouting reinforcement technology in the field of mining engineering, provides a method for grouting reinforcement of a reuse roof of a gob-side entry retaining of a coal mine and accurate control of the grouting amount, and aims to realize real-time monitoring and control of the grouting amount in the grouting process. According to the method, pressure monitoring, flow velocity monitoring, low-frequency electromagnetic wave detection, ultrasonic detection and on-site drilling slurry discharge monitoring are combined, the grouting process is detected in real time through multiple monitoring means, and it is ensured that cement slurry fills cracks and does not flow into a goaf. And meanwhile, cement paste with different particle sizes is adopted for grouting step by step according to the size of the crack, and paste leakage is avoided while the filling effect is guaranteed. The method is suitable for grouting operation under complex geological conditions, has the characteristics of high efficiency and accuracy, and remarkably improves the stability and safety in the use process of a roadway.

The invention provides a quality control method based on laser wind-finding radar data, and the method comprises the steps: taking radial data directly obtained by a laser wind-finding radar as basic data, and fusing the signal-to-noise ratio characteristics and spatial distribution characteristics of abnormal data; quality control such as abnormal value elimination and missing value filling is carried out on the radial wind speed data, and abnormal value effective elimination is carried out on the radial wind speed data, so that the false alarm rate of the laser wind finding radar detection signals is greatly reduced. According to the spatial relationship of the wind speed data detected by the laser wind-finding radar in the radial direction and the tangential direction, effective filling of the radial wind speed is realized by adopting a mode based on frequency statistics and median filtering in the moving window, and the integrity of the wind speed measured by the laser wind-finding radar is ensured.

The invention provides a novel coal mining method for an open-air well-to-well worker. The novel coal mining method comprises the following steps: stoping by a slope coal mining machine; filling a mining cave, determining a filling process, selecting one of pumping filling, waste rock throwing machine filling or side upper part drill hole conveying filling in the filling process, and selecting filling materials according to a ratio of waste rock to concrete; carrying out slope stability calculation and analysis and slope monitoring, and carrying out mechanical analysis and calculation by adopting a limit equilibrium method and a finite element method. The invention provides a mining process system and complete equipment, including automation of coal mining and transportation, realization of automatic operation and connection of coal, mining and transportation equipment, improvement of coal mining efficiency and efficiency of a filling system, and realization of key technologies and processes of efficient paste filling, and provides an overlying strata stability monitoring control technology and equipment. The intelligent mining site is realized, the scientific and reasonable cooperation of mining, filling and slope stability monitoring is realized, and the connection is orderly and efficient.

The invention discloses a sulfide solid electrolyte based on ionic liquid electrowetting modification and application thereof. The preparation method of the electrolyte comprises the following steps: preparing a sulfide electrolyte into an electrolyte sheet, and coating the surface of the electrolyte sheet with an ionic liquid to form an ionic liquid film, thereby obtaining the electrolyte sheet containing the ionic liquid film; and placing the sulfide solid electrolyte between electrode plates which are arranged in parallel to assemble a parallel-plate capacitor, and applying a direct-current signal to carry out electrowetting treatment, thereby obtaining the sulfide solid electrolyte based on ionic liquid electrowetting. The specific ionic liquid is introduced into the interface of the sulfide solid electrolyte and the negative electrode for electrowetting treatment, so that the interface contact angle is effectively reduced, the interface wettability is improved, the interface impedance is reduced, the electrochemical performance of the all-solid-state battery is improved, and the cycle life of the all-solid-state battery is prolonged. The method particularly focuses on the use of imidazole and pyridine ionic liquids, and selects the appropriate ionic liquid for the lithium metal negative electrode material to realize the optimal interface modification effect.

The invention discloses injectable hydrogel with anti-inflammatory and drainage functions for promoting anal fistula healing and a preparation method of the injectable hydrogel. The preparation method comprises the following steps: adding acrylic acid-N-succinimide ester and acrylated beta-cyclodextrin into a gelatin solution; then adding a carbon nanotube grafted with poly (vinyl benzyl trimethyl ammonium chloride), stirring and carrying out ultrasonic treatment; adding ammonium persulfate, stirring and performing ultrasonic treatment to obtain a mixture A; and heating the mixture A, cooling, washing and mechanically crushing to obtain the GAA coated CNT-g-PVBTMA hydrogel. The hydrogel is novel quaternized molecular brush grafted injectable hydrogel, has excellent swelling resistance and a broken porous structure, can effectively fill a fistula, and is beneficial to discharge of exudate; the hydrogel can also capture inflammatory cytokines of the fistula through electrostatic interaction, and shows excellent anti-inflammatory characteristics.

The invention belongs to the field of thin films, and particularly discloses an atomic layer deposition method and a thin film prepared through the atomic layer deposition method. According to the deposition method, the reaction cavity, the two input pipeline systems, the outlet valve and the vacuum pump in the atomic layer deposition system are used for controlling precursor pulse deposition and inert gas purging conditions in the atomic deposition process, and the film deposition state is improved; the efficiency of purging and removing substances and impurity residues such as a precursor and a reaction product thereof is improved, the problem that the quality of a deposited film is affected by the impurity residues in a reaction system or on the surface of a sample in the film deposition process is avoided, the uniformity and compactness of film deposition and the coverage rate and conformal rate of a film on the surface of a base material hole are improved, the defects of the film are reduced, and the yield is improved. And the method can be applied to a substrate with a high aspect ratio structure to deposit the film, so that the purpose of manufacturing a large-size complicated special-shaped structure device is achieved.

According to the technical scheme, the sealing method for the split type bottled powder product comprises the following steps that a stable high-strength electric field is formed at the top of a filling bottle, and static electricity of the filling bottle is neutralized by plasma formed by air ionized by the electric field; when material filling is prepared, the gap between the discharging nozzle and a filling bottle is reduced, and dust splashing caused by the discharging gap is reduced; after the blanking nozzle is used for blanking, dust splashing is generated, negative pressure is formed at the blanking nozzle, and splashing dust generated in the filling process is removed; after filling, dust on the edge of a sealing opening of the filling bottle is cleaned above the filling bottle; the sealing film and the filling bottle are sealed and positioned; and the positioned sealing film and the sealing position of the filling bottle are sealed. By means of a series of innovative measures, static neutralization, dust control, precise sealing and quality guarantee in the filling process are achieved, the production efficiency and the product quality are improved, and meanwhile environmental pollution is reduced. The sealing device is also suitable for sealing other split bottled powder products.

The invention relates to the technical field of integrated circuits, electronic packaging, printing materials, processes and the like, and provides sintered copper paste for TSV hole filling and a preparation method and a filling method thereof.The sintered copper paste comprises, by weight, 50%-95% of copper particles, 1%-5% of a surfactant and 1%-5% of a solvent. The weight ratio of the surfactant in the sintered copper paste is 0.01%-5%, and the weight ratio of the solvent in the sintered copper paste is 5%-50%. The sintered copper paste is used for TSV hole filling, and can avoid the formation of holes during high aspect ratio hole filling, relieve thermal mechanical stress, reduce filling cost and realize rapid and efficient green filling.

The invention relates to the technical field of pressure testing, in particular to a pressure testing device for a chemical liquid container. Comprising a shell, a mounting base, a placement base, a first inflator pump, a connecting pipe, a connector and the like, the mounting base is connected to the side face of the shell, the placement base is connected to the bottom in the shell, a container body can be placed at the top of the placement base, and the first inflator pump is mounted at the top of the mounting base; the connector is connected to the other end of the connecting pipe and used for being connected with the connector of the container body. The camera can shoot a leakage part and transmit an image to the external displayer, an operator can confirm the specific leakage position through the displayer, then a leakage point is automatically marked through the marking pen, and therefore the leakage point of the container body can be automatically positioned and marked; the tedious process of manually checking connection points and welding seams one by one can be avoided, and the detection efficiency and precision are improved.

The utility model is applicable to the technical field of vegetable seedling raising, and provides an automatic substrate filling device for a planting plate for vegetable seedling raising, which comprises a base, and a rack is fixedly mounted at the top of the base; the stock bin is used for containing a matrix for vegetable seedling raising, and the bottom of the stock bin is fixedly communicated with a filling pipe; the collecting hopper is arranged on the base, and a placing seat is arranged in the collecting hopper; the placement seat is provided with a planting disc used for receiving and containing a matrix; and the adjustable trowelling plate is used for trowelling the matrix in the planting plate and is arranged in the collecting hopper. According to the automatic substrate filling device of the planting plate for vegetable seedling culture, provided by the scheme, the efficient and uniform filling of the substrate is realized by integrating the automatic discharging mechanism and the stirring and blending mechanism; and the problems of low efficiency and non-uniform filling in a traditional manual filling mode are also solved.

The invention provides bentonite for compound anti-seepage drilling mud as well as a preparation method and application thereof, and the method comprises the following steps: respectively airing and coarsely crushing bentonite raw ore and attapulgite raw ore to obtain bentonite coarse ore and attapulgite coarse ore; the bentonite coarse ore and the attapulgite coarse ore are subjected to drying, grinding, impurity removal and sieving respectively, and bentonite ore powder and attapulgite ore powder are obtained; the preparation method comprises the following steps: mixing bentonite mineral powder, attapulgite mineral powder, a tackifier and water in parts by mass, and stirring to obtain compound clay ore pulp; the compound clay ore pulp is subjected to standing curing treatment and heating treatment, and the compound anti-seepage drilling mud is obtained. The bentonite for the compound anti-seepage drilling mud is high in viscosity, low in filter loss and capable of effectively meeting the requirements of the drilling mud after being subjected to high-temperature reaction, and meanwhile the preparation method is simple in process, low in production cost, rich in raw material and easy to produce and use in a large scale.

The present invention discloses a sealing structure and a sealing method for the mouth of a type IV hydrogen storage gas cylinder, and belongs to the technical field of high-pressure hydrogen storage gas cylinders. The sealing structure of the mouth of a type IV hydrogen storage gas cylinder provided by the present invention comprises an aluminum alloy valve seat, an aluminum alloy locking device and a plastic liner; a limit groove, an overflow sealing groove and a continuous sealing groove are arranged on the vertical section and the horizontal section of the aluminum alloy valve seat, the overflow sealing groove is filled with carbon fiber felt strips, and the overflow sealing groove and the continuous sealing groove are interference filled with high-temperature resistant sealant; the mouth section of the plastic liner is located between the aluminum alloy valve seat and the aluminum alloy locking device; the bottle shoulder and the mouth section of the plastic liner are limitedly matched with the aluminum alloy valve seat through the limit groove, and a high-temperature resistant sealant is arranged on the contact interface between the two. The design of the sealing structure of the present invention can effectively ensure the sealing effect of the high-temperature resistant sealing layer between the plastic liner and the specific position of the aluminum alloy valve seat, and has a longer sealing life.

The invention provides a processing method of mixed indigo naturalis and medulla junci, which comprises the following steps: taking cleaned and segmented medulla junci, spraying a small amount of clear water, adding indigo naturalis powder, and mixing until the surface of the medulla junci is uniformly adhered with indigo naturalis. Wherein the extraction process of the indigo naturalis powder is improved, and the indigo naturalis powder is subjected to hydrophilic modification to obtain a high-quality indigo naturalis product.

According to the post-grouting expanded-base composite tubular pile and the construction method, an expanded-base technology and a post-grouting technology are combined, pile end post-grouting can efficiently fill pores of an expanded-base part, the strength and compactness of a pile end soil body are remarkably enhanced, the bearing performance of a pile foundation is improved, meanwhile, the settlement amount of the pile foundation is effectively reduced, and the construction efficiency is improved. The stability and the safety of the building in the long-term use process are ensured; a technical solution; comprising a grouting pipe, a prefabricated tubular pile and a composite pile outer wrapping body. The grouting pipes are symmetrically arranged in the prefabricated tubular pile in the axial direction, the outer sides of the grouting pipes are wrapped with water stop adhesive tape, and the length of the grouting pipes is larger than that of the prefabricated tubular pile. A composite pile wrapping body is arranged on the outer side of the prefabricated tubular pile, the prefabricated tubular pile is in a cylindrical shape, the upper portion of the composite pile wrapping body is also in a cylindrical shape, and the lower portion of the composite pile wrapping body is in a circular truncated cone shape.

The invention provides a foundation treatment process, and relates to the technical field of foundation treatment. The foundation treatment process specifically comprises the following steps: S1, geological survey and three-dimensional modeling; s2, establishing a micro-seismic monitoring system; s3, applying a self-healing material; s4, construction of a rotary drilling rig; s5, performing real-time construction monitoring and adjustment; s6, detecting the hole forming quality of the pile foundation; s7, concrete is poured, and a self-healing material is injected; and S8, geological treatment and acceptance after construction. Safety and accuracy of the construction process can be guaranteed by monitoring changes of underground rock strata and karst caves in real time, the construction quality of each pile foundation is guaranteed through data analysis and dynamic adjustment of a construction scheme, self-repairing of the material can be achieved through the fungus self-healing cement-based material, durability and stability of the pile foundations are enhanced, and the construction quality of the pile foundations is improved. The long-term effect of foundation treatment is improved, the later maintenance cost is reduced, the pile foundation construction quality under the complex karst geological condition can be ensured, the construction efficiency is improved, the cost is reduced, and the engineering safety and stability are ensured.

The invention discloses a geological formation multi-source data fusion method and device. The method comprises the steps that various geological data of a target mine are extracted from geological drill holes of the target mine, and the target mine is a mine needing geological stratum modeling; acquiring position information of various geological data; performing coordinate conversion on the various geological data according to the position information of the various geological data so as to convert the various geological data into a target coordinate system, and obtaining various geological data after coordinate conversion; generating a logging two-dimensional profile map according to the various geological data after coordinate conversion; and performing multi-source data fusion on various geological data according to the logging two-dimensional profile map to obtain multi-source fusion data of the target mine. According to the method and the device, the technical problem that multi-source data information is difficult to fully utilize during geologic strata modeling due to the difficult problems of various data sources, different data quality and complex geologic structure during geologic strata modeling is solved.

The invention relates to a submersible hydroelectric generator device (1) comprising a substantially upright body having an outer chamber (9) and an inner pressure chamber (7). The inner pressure chamber (9) has a pressurizable fluid supply therein, and the outer chamber (9) has a charge inlet (21) adjacent to the top of the upright body, a discharge outlet (11) adjacent to the bottom of the upright body, and a liquid passage having a turbine (25) and a flow regulator (27) mounted therein. An auxiliary pressurized fluid supply is provided to replenish the pressurizable fluid supply. A pressure regulator is provided that is operable to control delivery of the auxiliary pressurized fluid from the auxiliary supply to the inner pressure chamber to maintain the pressure of the pressurizable fluid supply at or above a predetermined pressure level during drainage of water from the apparatus. In this way, water will be discharged from the device in a rapid, repeatable manner.

The present application provides a sponge-filled automobile tire and a manufacturing method thereof, comprising a tire body and a sponge block; the tire body is provided with a through hole for passing through a hub, and a cavity is arranged in the tire body and communicates with the through hole, and the sponge block is inserted into the cavity; the sponge block is provided with a through opening, and a cloth sleeve is sleeved on the outer wall of the sponge block outside the through opening. The present application utilizes the design of the cloth sleeve, the cloth sleeve is sleeved on the outside of the sponge block, when the sponge block is filled into the cavity, the cloth sleeve on the outside of the sponge block is bonded with the glue sprayed on the inner wall of the cavity, avoiding the case that the sponge block is directly bonded inside the cavity, when the tire body is punctured, the cloth sleeve is separated from the tire body, so that the sponge block can be disassembled, which facilitates the disassembly of the sponge block, and avoids the case that the sponge block and the tire body are bonded and broken during disassembly of the sponge block, part of the sponge block is left in the cavity, which causes inconvenience in cleaning and repairing the tire body.

The present invention discloses a regenerated micro-powder improved soil-bentonite vertical anti-fouling isolation wall and a construction method thereof, including an isolation wall body, a guide wall and a steel pipe frame, wherein the steel pipe is arranged at the bottom of the isolation wall body. The method comprises: a, preparation of bentonite slurry; b, preparation of regenerated micro-powder of construction waste; c, construction of the guide wall; d, digging and grooving; e, preparation of the wall material of the isolation wall; f, making a bottom support plate and an inner insert plate; g, making a steel pipe frame; h, welding a bottom support plate; i, welding an inner insert plate; j, hanging and placing the steel pipe frame; k, hot-melt connection of the anti-seepage plate; l, backfilling of the wall material of the isolation wall; m, forming of the vertical anti-fouling isolation wall. The present invention can enhance the stability of the groove during the construction of the vertical anti-fouling isolation wall, that is, ensure the integrity of the wall body after the wall is formed, enhance the anti-seepage and anti-fouling performance of the vertical anti-fouling isolation wall, and at the same time, utilize the regenerated micro-powder of construction waste as the wall improvement material, which can optimize the mechanical properties and anti-seepage and anti-fouling performance of the wall body.

The utility model discloses a double-station cosmetic processing and filling device which comprises a base, a container tank and a control module, and a spray head assembly is arranged above the base; the nozzle assembly comprises a nozzle body and a telescopic motor; the telescopic motor is connected with the base through the vertical frame; a moving plate is arranged between the base and the spray head assembly; a left-right driver is arranged between the movable plate and the base; placing plates are arranged above the moving plate in a left-right opposite manner; a rotary driver is arranged between the placing plate and the moving plate, and a plurality of assembling grooves which are uniformly distributed in the circumference are formed in the surface of the placing plate; a detachable bearing disc is arranged on the placing plate, a convex part is arranged on the lower surface of the bearing disc, and a placing groove is formed in the convex part; and a suction pump connected with the spray head body is arranged on the container tank. According to the cosmetic box taking and placing device, accurate filling of cosmetics can be carried out while the cosmetic boxes are taken and placed, all the cosmetic boxes on one station placing plate can be taken and placed at a time, and the cosmetic box taking and placing device has the advantages of being convenient to operate, efficient and accurate in filling, low in cost and the like.

The utility model relates to photoresist production auxiliary equipment technical field, concretely relates to an insulating carbon black storage device for photoresist, including storage box, the top of storage box is connected with feed inlet, the first solenoid valve is installed in the communication of feed inlet and storage box, the output port department of storage box bottom is provided with the second solenoid valve, still including fixed mounting on the turbine molecular pump of storage box outer side wall, the output end of turbine molecular pump is connected with the air cylinder of fixed mounting in the outer side wall of storage box, the top lift sliding of air cylinder is inserted with nitrogen tube, the output end of nitrogen tube is inserted to storage box, and is equipped with one -way exhaust valve, the utility model discloses nitrogen tube height is adjusted dynamically through lift cylinder, makes it always close carbon black material surface, and nitrogen fills the space not being occupied by material directly, and replacement efficiency improves 30% or more, and nitrogen consumption reduces 20%-40%, and turbine molecular pump provides high -purity nitrogen delivery, prevents the back flow in combination one -way exhaust valve, ensures the inert environment of fast establishment.

The utility model provides a metal commodity shelf with a waterproof function, and relates to the technical field of metal commodity shelves, the metal commodity shelf comprises a supporting square tube, a commodity plate is fixedly installed on the surface of the supporting square tube, a rotating rod is rotatably connected to the position, close to the top end, of the surface of the supporting square tube, and a supporting plate is fixedly installed at one end of the rotating rod. A rain baffle is fixedly installed on the side face of the supporting plate, a connecting block is fixedly installed on the surface of the rotating rod, an inserting rod is arranged on the surface of the connecting block in a penetrating mode, a pull block is fixedly installed at one end of the inserting rod, a tension spring is arranged on the surface of the inserting rod in a sleeving mode, and an inserting hole A and an inserting hole B are formed in the surface of the supporting square pipe. By means of the arrangement of the rain baffle, the novel storage rack has the waterproof effect and can be used indoors and outdoors, the universality is improved, when the rain baffle is not used, the rain baffle can be folded easily, higher objects can be placed on the uppermost object placing plate, and practicability is high.

The application discloses a mural reinforcing protective agent and a preparation method and application thereof, belongs to the technical field of cultural relic restoration, and can solve the technical problems that existing mural reinforcing materials cannot reinforce the lower layer structure of ancient murals and are prone to being attached to the surface of murals to cause the whitening of the surface pigments. The mural reinforcing protective agent comprises a bacterial cellulose carrier and Ba(OH)2 nanoparticles loaded on the bacterial cellulose carrier in situ. The application plays a reinforcing role on the lower layer structure of murals, realizes deep reinforcement of ancient murals, improves the protection effect, stability and durability, and the surface of the mural will not be whitened.

The utility model belongs to the technical field of heating pipelines, and particularly discloses a heating pipeline connector which comprises a first pipeline, a second pipeline is arranged on one side of the first pipeline, a first butt joint ring and a second butt joint ring are arranged on one side of the first pipeline and one side of the second pipeline respectively, and sealing assemblies are arranged in the first butt joint ring and the second butt joint ring. The sealing assembly comprises a thermal expansion block, the thermal expansion block is located in the first butt joint ring, a first sealing ring is arranged on one side of the thermal expansion block, a second sealing ring is arranged in the second butt joint ring, and one end of the first sealing ring makes contact with the second sealing ring. The gap at the joint of the first pipeline and the second pipeline can be effectively filled, heating liquid or gas is prevented from leaking through the gap, the good sealing performance of the heating pipeline is ensured, the possibility that the temperature of a medium in the pipeline drops is reduced, and the stability and efficiency of the heating pipeline are maintained.

The utility model relates to the technical field of tank car filling metering, in particular to a low-temperature liquid tank car filling metering device. According to the technical scheme, the filling metering device for the low-temperature liquid tank car comprises a plug, an inner fixing plate, a tank and an outer fixing plate, a window is formed in one end of the tank, the outer fixing plate is installed in the window of the tank, the inner fixing plate is installed at the position, corresponding to the outer fixing plate, of the interior of the tank, and the plug is connected with the inner fixing plate. The inner fixing plate and the outer fixing plate are locked and fixed through bolts, a tuning fork type liquid level meter is installed on the outer fixing plate, a measuring head is arranged at the end, located in the tank, of the tuning fork type liquid level meter, and a controller is arranged at the end, located on the outer side of the tank, of the tuning fork type liquid level meter. The problem that the filling weight is overloaded due to the fact that the mechanical liquid level meter is jammed and frozen to death can be effectively solved, and the safety and the accuracy of the filling process are guaranteed.

The present application relates to the field of composite ceramics, and aims to provide a new B4C-cBN composite ceramic with good mechanical properties and thermal conductivity, and a preparation method thereof, which comprises the following steps: S100, mixing boron carbide 5-9 parts, cubic boron nitride 1-5 parts and sintering additives to obtain a mixture; S200, obtaining the B4C-cBN composite ceramic through a sintering process; the sintering temperature is 1400-1550 DEG C; the sintering pressure is 4.9-5.5 GPa; and the sintering time is 1-3 h. The reason why aluminum and cobalt are selected as sintering additives is that the melting point of aluminum is low, and a liquid phase formed in the sintering process can effectively fill the pores through capillary action, thereby promoting the sintering process. Aluminum reacts with cubic boron nitride to form aluminum nitride, which can inhibit the conversion of cubic boron nitride into hexagonal boron nitride. Cobalt has oxygen affinity and can play a purifying role of "deoxidation and degassing", thereby reducing pores, improving density and improving the sintering performance of the composite ceramic. The optimal raw material ratio and sintering parameters are determined, so that the mechanical properties and thermal conductivity of the composite ceramic are both excellent.

The embodiment of the invention relates to the technical field of oil and gas reservoir engineering, and discloses an online filling and reporting method, system and device for oil and gas data and a storage medium. The method comprises the steps that corresponding data filling and reporting tables are generated according to different oil and gas data; a corresponding storage process is set for each data filling table, so that each kind of oil and gas data is automatically and structurally stored in a database according to the corresponding storage process; managing the filling permissions according to the user attributes, and associating the filling permissions corresponding to the user attributes with the data filling table; and when data filling is carried out, according to the filling permission corresponding to the attribute of the currently logged-in user, matching a corresponding data filling table for the currently logged-in user to fill. By utilizing the exemplary embodiment of the invention, the difference between the stored data and the original data can be quickly compared, the error checking and correcting cost is greatly reduced, and finally, the safety management, efficient storage and high-quality filling of the data are realized.

The invention discloses a large LNG storage tank pearlife field expansion filling construction method which comprises the steps that an expansion furnace, a dust remover, a pneumatic conveying device and other equipment are installed on a construction field, perlite raw ore sand is transported to the construction field to be subjected to expansion treatment, and a cold insulation layer of a storage tank is filled with expanded pearlife through the pneumatic conveying device; and a good effect can be achieved. The on-site expansion filling method achieves synchronous operation from machining to filling, and the construction period is greatly shortened. Loss and damp risks of materials in the transportation and storage process are reduced, and the overall construction cost is reduced. The pneumatic conveying device is adopted for filling, the situation that gaps or uneven accumulation occurs in the pearlife filling process is effectively prevented, it can be guaranteed that the pearlife is evenly distributed in a cold insulation layer of the storage tank, the cold insulation effect is improved, dust pollution to the environment is reduced, and construction safety is improved.