66results about How to "Improve fully" patented technology

The invention discloses an intensive, green and efficient ginger cultivation method. A mode of interplanting ginger and corn is adopted. The method comprises the following steps of (1) interplanting variety selection, (2) ginger seed and corn seedling treatment, (3) land selection, land preparation and sowing, and (4) topdressing and pest control. The corn and the ginger which grow robustly and are free of diseases and pests are selected for interplanting, the ginger root system is shallow, the seedling stage is shade-tolerant, and the corn is a gramineous high-stalk and high-photosynthetic-efficiency crop. The water and fertilizer integration technology is adopted during intercropping of the two crops, the land utilization efficiency is improved, natural resources such as light energy are fully utilized, favorable conditions are provided for vigorous growth of the ginger, and economic benefits are improved.

The invention belongs to the technical field of ceramic materials, and particularly discloses whisker toughened zirconium oxide-aluminum oxide composite ceramic and an additive manufacturing method thereof, the composite ceramic comprises the following components by mass: 94 parts of zirconium oxide toughened aluminum oxide ceramic and 5 parts of silicon carbide whisker; the zirconium oxide toughened aluminum oxide ceramic is prepared from the following components in parts by mass: 76 parts of aluminum oxide and 24 parts of zirconium oxide, and 3mol% of yttrium oxide is added into the zirconium oxide. According to the whisker toughened zirconium oxide-aluminum oxide composite ceramic and the additive manufacturing method thereof, the preparation method has unique design of components and process, and the preparation of a high-density and high-performance ceramic-based composite material part based on a fused deposition modeling technology is successfully realized. Further, the prepared silicon carbide whisker toughened zirconium oxide-aluminum oxide-based composite ceramic has relatively high density and excellent obdurability.

The invention discloses a preparation method of borate mineralized cerium-based rare earth polishing powder, and belongs to the technical field of rare earth polishing materials. Comprising the following steps: adding water into a rare earth precursor for size mixing, then adding a fluorinating agent and a mineralizing agent for mixing, size mixing, ball-milling, aging, then carrying out spray drying to remove moisture, then carrying out high-temperature roasting, and screening the calcined material to obtain a polishing powder product. The operation process is stable and easy to implement, the average particle size of materials is adjusted through precursor ball milling, structural defects are eliminated, uniform dispersion of a fluorinating agent and a mineralizing agent is promoted, the mineralizing agent promotes a solid-phase reaction in the high-temperature roasting process, and therefore the solid-phase reaction temperature is reduced, and the unit cell agglomeration strength is enhanced; compared with a conventional production process, the cost of calcination and crushing grading is obviously reduced, and the prepared polishing powder has the advantages of strong grinding capability, good wear resistance, high grinding precision and high effective utilization rate compared with the existing product in the market, and can be used for rapid thinning of soft optical glass and surface precision machining of high-hardness and fragile glass.

The utility model relates to the technical field of salt lake boron resources, and particularly discloses a crystallization system for preparing borax from salt lake brine, which comprises a first hot melting batching tank, a second hot melting batching tank, a first set of crystallization tank, a second set of crystallization tank, a buffer tank and a centrifugal machine, the first crystallization tank comprises a first crystallization tank, a second crystallization tank, a third crystallization tank and a fourth crystallization tank, the second crystallization tank comprises a fifth crystallization tank, a sixth crystallization tank, a seventh crystallization tank and an eighth crystallization tank, the first hot melting batching tank collects borax mother liquor, and the borax mother liquor is mixed with a surface active additive and then enters the first crystallization tank in sequence; after the first set of crystallizing tank is cooled to a certain temperature, the materials enter a second hot-melting batching tank in a manner of introducing the discharged materials into a groove, and the materials in the second hot-melting batching tank are sequentially pumped into the second set of crystallizing tank through a pump, are continuously cooled to a certain temperature, enter a buffer tank and then enter a centrifugal machine to be separated; according to the utility model, accurate temperature and time control is carried out on two-stage cooling crystallization, and the device has the characteristics of large borax grains and no caking of products.

The utility model discloses a dust collection station and cleaning equipment, and the dust collection station comprises a mounting chamber, a first air inlet and a first air outlet which are communicated with a first cavity are formed in the mounting chamber, and a second cavity is formed in the mounting chamber; the mounting bracket is arranged in the first cavity; the dust collection container comprises a dust bag and a mounting plate, a second cavity used for collecting garbage is formed in the dust bag, the dust collection container is provided with a second air inlet communicated with the second cavity, the second air inlet is used for being in butt joint communication with the first air inlet, and the mounting plate is connected to the mounting support; the negative pressure device is used for extracting air from the first cavity through the first air outlet; and one side of the mounting plate is inclined towards the center of the first cavity. By adjusting the angle of the dust bag in the dust cavity, the dust bag can be fully unfolded, and the utilization rate of the dust bag is increased.

The invention provides a silicon carbide single crystal growth device and method for improving the powder utilization rate, the silicon carbide single crystal growth device comprises a heating barrel, a crucible and a heat conduction assembly, the heating barrel comprises an upper cover and a barrel body which are matched with each other, the crucible is contained in the barrel body, a through hole is formed in the bottom of the crucible, a heat conduction rod is arranged at the bottom of the barrel body, and the heat conduction rod extends into the crucible; the crucible comprises a crucible cover and a crucible body which are matched with each other, silicon carbide seed crystals are arranged at the lower end of the crucible cover, silicon carbide powder is arranged in the crucible body, a heat conduction assembly is arranged in the charging area and comprises a heat conduction tower and a heat conduction ring, a hollow structure is arranged in the heat conduction tower, and the heat conduction tower is connected to the outer side of the heat conduction rod in a sleeving mode. A plurality of layers of heat conduction rings are arranged on the heat conduction tower, and the heat conduction rings extend outwards to act on different areas of the charging area. The heating barrel and the heat conduction structure are introduced in the silicon carbide single crystal growth process, the powder utilization rate is increased, the sealing performance of the growth structure is improved, and efficient utilization of powder in the growth process is achieved.

The invention relates to the technical field of medical instruments, in particular to an enteric cavity segment filling controllable device for colon cancer preoperative T staging, which comprises a central mandrel, a flexible head end cap is arranged at the foremost end of the central mandrel, and a near-end balloon inflating pipeline, a far-end balloon inflating pipeline and a main pipeline which are mutually independent are arranged in the central mandrel; the near-end balloon is arranged on the central mandrel in a sleeving manner and is communicated with the near-end balloon inflating pipeline; the far-end balloon is arranged on the central mandrel in a sleeving manner, is positioned on the far side of the near-end balloon and is communicated with the far-end balloon inflating pipeline; at least two main pipeline lateral holes are formed in the tube wall of the central mandrel between the near-end balloon and the far-end balloon, are communicated with the main pipeline and are used for injecting a contrast agent or normal saline into the closed enteric cavity section between the two balloons. The near-end balloon and the far-end balloon are synchronously filled at the two ends of a target intestinal segment to form a closed segment, and a contrast agent is uniformly injected through lateral opening, so that the intestinal wall is fully expanded and does not collapse, and the display definition of the five-layer structure of the intestinal wall is remarkably improved.

The present application relates to the technical field of metal laser cladding, and specifically discloses a high-performance pick and a method for preparing the pick by laser cladding. The high-performance pick comprises a pick body and a cladding layer clad on the surface of the pick body. The pick body is prepared by feeding preparation, molding degreasing, sintering treatment, and post-treatment. The cladding layer is prepared by a synchronous powder feeding method. The cladding layer has high hardness and wear resistance, and the coating has excellent mechanical properties. The prepared laser cladding layer has high bonding strength with the pick, small internal stress, low porosity of the cladding layer, no obvious cracks, pores and other defects, significantly improved hardness, toughness and wear resistance, and significantly improved service life of the pick.

The utility model discloses a kind of side smoke blocking structure, range hood and integrated cooker, it is related to kitchen equipment field, including multiple side plates, each side plate is sequentially rotationally connected by transition connecting pair, the side smoke blocking structure is used to set between flap and range hood main body, two ends of the side smoke blocking structure are rotationally connected with range hood main body and flap by first side connecting pair and second side connecting pair, at least one in the transition connecting pair, first side connecting pair and second side connecting pair is universal connecting pair, the rest is fixed shaft rotating pair, the universal connecting pair makes the side plate connected with it have the freedom of rotation and sliding around any one axis in three-dimensional coordinate system, the fixed shaft rotating pair makes the side plate connected with it have the freedom of rotation around one axis in three-dimensional coordinate system.The utility model provides a kind of side smoke blocking structure, range hood and integrated cooker, which can improve the effect of gathering smoke.

The utility model relates to the technical field of ecological restoration water and soil conservation devices, in particular to an ecological restoration water and soil conservation device which comprises a slope surface, artificial turf and a shielding mechanism, the shielding mechanism comprises a base, a supporting frame, a shielding curtain, two side baffles, a storage box, a counterweight assembly and a storage assembly, and when rainstorm weather comes, the storage assembly is started in a reverse phase mode, so that the slope surface is protected; under the action of the counterweight assembly, the shielding curtain is pulled out of the storage box and slides along the supporting frame until the shielding curtain is completely pulled out, at the moment, the shielding curtain completely covers the upper portion of the artificial turf, and most of water flows through the surface of the shielding curtain and is discharged from the bottom of the supporting frame; other water flow cannot enter the artificial turf under the action of the two side baffles, the shielding curtain can be stored in the storage box through the storage assembly at ordinary times, the vegetation can make contact with sufficient sunlight to grow, and the effect of prolonging the service life of the device is achieved.

The present application belongs to the field of textile printing and dyeing technology, and particularly relates to a polyester fabric continuous pad dyeing device and pad dyeing process, which comprises a pad dyeing frame; a feeding roller is arranged on one side of the top of the pad dyeing frame, and a tension roller is arranged below the feeding roller; through the design of a mixed turbulent flow component, the dye is delivered to the inner and outer rotating rods by a circulating pump to realize dye circulation; the fabric advances to drive the guide wheel to rotate, drives the first driving wheel and the first driven wheel, and makes the inner rotating rod rotate reversely; the spiral plate agitates the dye; at the same time, the motor drives the third driving wheel to drive the axial stirring rod to stir the dyeing liquid in the same direction; the outer rotating rod uniformly sprays the dye; the design of the staggered arrangement of the spiral plates, the liquid outlet holes and the diffusion holes further enhances the mixing effect; multiple components cooperate to stir the dye from multiple directions, avoids stratified precipitation, ensures uniform dye concentration, greatly improves the mixing efficiency compared with the traditional method, effectively solves the dyeing color difference problem, and significantly improves the dyeing uniformity and product quality.

The invention provides a Prussian blue positive electrode material and a preparation method thereof, a positive electrode plate, a sodium ion battery and electric equipment, and relates to the technical field of new energy. According to the preparation method of the Prussian blue positive electrode material provided by the invention, the Prussian blue material with high crystallinity, low crystal water and few defects is prepared by using a disodium tartrate one-step method, the method is simple, and the cost is low. The first solution and the second solution are alkalescent and are rich in a large amount of tartrate ions, the tartrate ions are rich in-OH, so that the first solution and the second solution can be used as strong complexing agents, each single tartrate ion can be complexed with a single transition metal ion to form a transition metal-tartrate complex, the release rate of transition metal is obviously reduced, and the transition metal-tartrate complex can be used for preparing the transition metal-tartrate complex. And by virtue of slow combination, the crystal can grow more sufficiently, so that the content of the ferrocyanide and the content of crystal water are reduced.

The invention relates to the technical field of camouflage equipment, in particular to a special-shaped camouflage net with an optical radar infrared camouflage stealth function, which comprises a first wave-absorbing layer and a second wave-absorbing layer, the first wave-absorbing layer and the second wave-absorbing layer are both coated with wave-absorbing paint, and the surfaces of the first wave-absorbing layer and the second wave-absorbing layer are subjected to pattern cutting treatment; a separator used for separating the first wave absorbing layer from the second wave absorbing layer is arranged between the first wave absorbing layer and the second wave absorbing layer. Compared with the prior art, the space complexity between the wave absorbing layers and the expansion degree of the upper cavity of the camouflage layer are enhanced by arranging the separators, and the problems that in the process of combining the camouflage net surface layer with other functional layers in the prior art, protrusions formed by cutting patterns on the surface layer interfere with the other functional layers, and the disguise effect is poor are solved. Therefore, the volume of a cavity formed by the surface layer is reduced, and the wave absorbing effect of the camouflage net is influenced.

The invention belongs to the technical field of preparation of TPR (Thermoplastic Rubber), and provides a high-performance TPR modifier as well as a preparation method and application thereof. Comprising the following components in parts by mass: 100 parts of SBS (Styrene Butadiene Styrene), 40-60 parts of naphthenic oil, 10-20 parts of an auxiliary agent, 5-15 parts of a styrene-butadiene copolymer, 10-20 parts of super white calcium carbonate, 0.4-0.8 part of an antioxidant and 0.6-1 part of zinc stearate, the preparation method comprises the following steps: mixing SBS and naphthenic oil to obtain oil-filled SBS; the preparation method comprises the following steps: mixing oil-extended SBS, an auxiliary agent, a styrene-butadiene copolymer, ultra-white calcium carbonate, an antioxidant and zinc stearate, and granulating to obtain the high-performance TPR modifier. The high-performance TPR modifier provided by the invention has excellent fluidity, resilience and mechanical properties, can effectively improve the flexibility and elasticity of EVA after being added into a formula of an EVA shoe material, and perfectly combines the excellent wear resistance of rubber and the low specific gravity characteristic of EVA.

The utility model discloses a bag type dust collector, which belongs to the technical field of dust collection equipment and comprises a support main body, a dust collection component and a dust storage component. Wherein a containing space is formed in the supporting main body, an air inlet and an air outlet are formed in the supporting main body, and the air inlet and the air outlet are respectively communicated with the containing space; the dust removal assembly is arranged in the containing space and comprises a pulse module, a filter bag and a back flushing module, the outer surface of the filter bag can adsorb dust in dusty gas, the pulse module is connected with the filter bag, and the pulse module can inflate or exhaust the filter bag to enable the filter bag to expand or contract, so that the dust on the surface of the filter bag is shaken off; the backflushing module can blow air to the filter bag, so that dust on the outer surface of the filter bag is blown off; the dust storage assembly is arranged at the bottom of the supporting main body, a dust storage space is formed in the dust storage assembly, the dust storage space is communicated with the containing space, the dust storage assembly is used for storing dust falling from the filter bag, and the dust removal efficiency is high.

The invention discloses battery-grade lithium carbonate as well as a preparation method and application thereof, and the preparation method comprises the following steps: synchronously introducing a lithium-containing solution and carbon dioxide bubble water into a reaction device, and reacting to obtain lithium carbonate; the carbon dioxide bubble water is prepared by adopting the following method: simultaneously introducing carbon dioxide and water into a shear pump, and shearing and mixing to prepare the carbon dioxide bubble water. According to the method, the traditional gas-liquid reaction that carbon dioxide is directly introduced into the lithium-containing solution is creatively transformed into a gas-liquid-liquid reaction system that carbon dioxide bubble water prepared in advance and the lithium-containing solution are synchronously introduced, so that the product purity and stability are remarkably improved, and the bottleneck of a traditional intermittent process is broken through; the preparation method is simple, the production capacity and efficiency are remarkably improved, industrial large-scale production is easy to realize, and the obtained product lithium carbonate crystal is complete in growth, concentrated and controllable in particle size distribution and regular in morphology, and meets the processing requirements of high-end battery materials.

The invention discloses a jean fabric wrinkle removing and flattening device, and relates to the technical field of jean fabric wrinkle removing, the jean fabric wrinkle removing and flattening device comprises a base plate, the two ends of the base plate are respectively provided with a first winding mechanism and a second winding mechanism, and the upper side of the base plate is provided with an air pump module; the wrinkle removing box is located between the first winding mechanism and the second winding mechanism; the ironing assembly is mounted at the top end in the wrinkle removing box through a plurality of second lifting air cylinders; the two sets of driving assemblies are connected with the wrinkle removing box through third lifting air cylinders correspondingly, and at least one set of flattening rollers is installed between the two sets of driving assemblies; through the combined action of steam and negative pressure, the device can effectively permeate steam into the jean fabric, it is ensured that the steam is evenly distributed, and therefore the wrinkle removing effect is improved. Due to the negative pressure design, the denim fabric is adsorbed through the hole structure of the supporting base, the smoothness of the fabric is ensured, meanwhile, the seepage force of steam is enhanced, and the problem that steam is not evenly distributed in traditional equipment is solved.

This application provides a multimodal ultrasound intelligent identification method and precision diagnosis system for thyroid lesions. The method determines image data blocks with multimodal spatial registration and grayscale-contrast temporal alignment. Based on the grayscale ultrasound image sequence in the image data blocks, a first depth feature map of the target user's thyroid region is determined. A second depth feature map of the target user's thyroid region is determined based on the elastography map in the image data blocks. The hemodynamic spatial distribution characteristics of the parametric map in the image data blocks are captured to determine a third depth feature map of the target user's thyroid region. Cross-modal fusion is performed on the first, second, and third depth feature maps, and then the lesion segmentation mask, benign / malignant probability value, and risk classification of the target user's thyroid region are inferred and output in parallel. Using the scheme of this application, high-precision spatiotemporal alignment and cross-modal depth feature fusion of multimodal ultrasound images can be achieved to complete end-to-end intelligent identification of thyroid lesions.

The invention relates to the technical field of bleaching equipment, and provides high-concentration ozone water rapid bleaching equipment for cotton fabrics and an operation system.The bleaching equipment comprises a bleaching box, and the outer wall of the bleaching box is provided with an inlet and an outlet for a cotton fabric belt to pass through; the multiple sets of tensioning rollers are arranged in the bleaching box in a horizontally rotating mode and arranged at intervals, and each set of tensioning rollers is used for tensioning the cotton fabric belt so that the cotton fabric belt can make contact with the ozone water in the bleaching box completely. The equipment takes ozone water as a bleaching agent, pigment molecules are damaged by virtue of the strong oxidizing property of the ozone water to realize bleaching, the pigment molecules are reduced into oxygen after reaction, and the residual concentration does not need to be manually detected; and automatic monitoring can be realized by matching with the closed space of the bleaching box and an online detection system. Ozone water can efficiently bleach at normal temperature, and no high-temperature steam is generated; the built-in interval tensioning rollers can fully unfold the cotton fabric belt, so that the cotton fabric belt is in full contact with ozone water, and the bleaching uniformity is improved. Ozone bleaching products are water and carbon dioxide, so that sewage pollution is greatly reduced.

The utility model discloses a high-speed horizontal dough mixer for bread processing, which comprises a worktable, support columns are fixed on two sides of the top end of the worktable, a first motor is mounted on one side of the top end of a transmission disc, and the output end of the first motor is connected with a mixing rod. The supporting columns are installed on the two sides of the top end of the top plate, the supporting columns are used for supporting and fixing the top plate, flour, water and other raw materials are placed in the dough kneading barrel during dough kneading, then the servo motor is started to work to drive the threaded rod to rotate, at the moment, under the cooperation of the guide columns, the adjusting plate can move vertically, and therefore the dough kneading barrel is convenient to adjust. According to the dough kneading machine, the dough kneading height of the material mixing rod is changed due to the fact that the working motor can drive the transmission disc to rotate after working, the material mixing rod is installed on one side of the bottom end of the transmission disc, so that the material mixing rod can do circular motion, meanwhile, the material mixing rod can rotate to work after the first motor works, and the overall sufficient dough kneading capacity is well improved in the working process.

This invention discloses a segmented drum screen device for mineral processing, comprising a base, a storage box, a screening machine, and a mounting frame. The storage box and mounting frame are both fixedly connected to the base, and the screening machine is inclinedly positioned on top of the storage box. The screening machine includes a casing, a main shaft, and several circular screens. The main shaft is rotatably connected to the casing. Several connecting rods are fixedly connected between the circular screens and the main shaft. Several screen holes are evenly distributed on the circular screens. Baffles are rotatably connected between adjacent circular screens, and discharge holes are provided on the baffles. A drive gear is fixedly connected to one end of the main shaft, and a drive reduction motor is fixedly connected to the top of the mounting frame. A receiving box is provided inside the storage box, located below the corresponding circular screen. This invention employs a mechanical structure for mineral particle size classification. The inclination degree controls the mineral's movement speed, and the baffles control the classification and discharge speed, ensuring good classification results for minerals at each stage and improving the efficiency of mineral processing and classification operations.

The utility model provides a kind of control cable processing with plastic extrusion device, it is related to cable processing equipment technical field, including preheating mechanism, the outer surface wall of preheating mechanism is provided with stirring mechanism, preheating mechanism includes extruder main body, the input end fixed communication of extruder main body has feed pipe.The utility model in, under the interaction of each component of preheating mechanism, realizes the efficient preheating treatment of plastic particles and additive, ensures that material and heating water are fully contacted and are evenly preheated, and this preheating treatment mechanism effectively avoids the problem that plastic particles appear local overheating or uneven heating in cylinder, promotes that plastic molecular chain is fully unfolded and mixes evenly, ensures the consistency of melting process, to significantly reduce the generation of bubble, block and other defects in extrusion process, greatly improves the processing quality and production efficiency of cable.

The invention relates to the technical field of aluminum alloy smelting, in particular to aluminum alloy smelting molten aluminum refining equipment which comprises a refining tank body, a stirring rod, a servo motor, a supporting plate, a lifting mechanism and a walking trolley, the lifting mechanism is installed at one end of the walking trolley, and the supporting plate is installed at the output end of the lifting mechanism; the servo motor is installed at one end of the supporting plate, the output end of the servo motor is fixedly connected with the stirring rod, the stirring rod is used for stirring molten aluminum in the refining tank body, and the outer side of the stirring rod is sleeved with a liquid guide sleeve; according to the molten aluminum refining equipment for aluminum alloy smelting, inert gas can fully absorb hydrogen in molten aluminum and adsorb oxidizing slag, meanwhile, the mixed molten aluminum is discharged into the refining tank body again, and the falling molten aluminum mixes and presses down a refining agent floating on the upper surface of the molten aluminum, so that the refining agent can be fully mixed into the molten aluminum; and the molten aluminum is fully refined.

The utility model relates to the technical field of oxygen-free copper rod processing, in particular to a melt purification mechanism for oxygen-free copper rod processing, which comprises a refining furnace body, a stirring component is arranged in the refining furnace body, the stirring component comprises a stirring shaft and a plurality of stirring blades, and a stirring motor for driving the stirring shaft to rotate is arranged at the top of the refining furnace body; a degassing assembly is arranged in the refining furnace body and comprises a plurality of degassing pipes, each degassing pipe is provided with a plurality of evenly-distributed air nozzles, and the degassing pipes are connected with an inert gas source through pipelines. A filter box is arranged below the refining furnace body, a multi-stage filter assembly is arranged in the filter box, and the multi-stage filter assembly comprises a coarse filter screen, a middle filter screen and a fine filter screen which are sequentially arranged from top to bottom; a cleaning assembly is arranged at the top of the filter box and comprises a plurality of cleaning brushes, and the cleaning brushes are correspondingly arranged over the coarse filter screen, the medium filter screen and the fine filter screen respectively; through the synergistic effect of stirring, degassing, multi-stage filtering and automatic control links, the purification efficiency and quality of the oxygen-free copper melt are improved.

The invention discloses a method for topping Yunyan 87. The method comprises the steps that tobacco plant transplanting is completed from April 25 to May 5, and classified jointing and topping are carried out according to different growth vigor (early blossoming, poor growth vigor, general growth vigor, good growth vigor and good growth vigor) of tobacco plants. The method specifically comprises the following steps: in early flowering and topping, a method of'topping without leaf removal 'is adopted, the pitch is lengthened by 5cm, 16 leaves are reserved, and the plant height is controlled to be 80-85cm after topping; the growth vigor is poor, 18 leaves, 20 leaves, 22 leaves and 24 leaves are reserved on common tobacco plants, good tobacco plants and good tobacco plants respectively, and the plant heights are controlled to be 90-95 cm, 100-105 cm, 110-115 cm and 120-125 cm. Tests prove that the method remarkably improves the tobacco leaf yield and economic benefits, the average output value per mu and the first-class tobacco proportion are greatly improved, and the method is superior to a traditional topping method. The method can effectively solve the problems of unreasonable group structure and low tobacco yield and quality in the low-latitude and high-altitude tobacco area.

The invention relates to the technical field of paddy field slurry leveling machines, and specifically to a paddy field slurry leveling machine, comprising a traction frame, a mud guard cover, a leveling scraper, a driving device, a stirring shaft and a slurry blade, wherein the traction frame is connected to a walking machine, the traction frame is used to fix the mud guard cover, and the leveling scraper is installed at the bottom of one end of the mud guard cover, the driving device is used to drive the stirring shaft inside the mud guard cover, the slurry blades are grouped into three, and a plurality of groups of slurry blades are installed on the stirring shaft at equal distances, and further comprises: a front cover, the front cover is installed at the top at the forward end of the mud guard cover, and a moving opening is provided at the bottom of the front cover and at the position corresponding to each group of slurry blades; the paddy field slurry leveling machine keeps the slurry blades in a sharp slurry stirring state, can fully crush the soil in the paddy field, ensure the uniformity of the crushing of the paddy field soil, enable the rice root system in the paddy field to fully grow and develop, and at the same time improves the stirring efficiency of the slurry blades.

The utility model relates to a device for measuring the ion exchange capacity of mineral source humic acid. Comprising a container body used for containing a solution, a dialysis membrane bag of a sealed structure is arranged in the container body, and a conductivity meter probe is arranged in the container body and connected with a conductivity meter. The method is suitable for measuring the ion exchange capacity of the water-soluble mineral source humic acid, the cation adsorption amount and strength of the mineral source humic acid are represented by measuring the change difference of an external solution, the operation is convenient, the flow rate does not need to be controlled, and meanwhile the water-soluble mineral source humic acid ion exchange capacity can be measured by eliminating the permeation speed deviation caused by too high permeation pressure. The stability of the device and the accuracy of a detection result are improved.

This invention relates to the field of cable tray technology and discloses a cable tray capable of cable bundling, comprising a cable tray body and electrical components installed inside the cable tray body. A retainer is installed on the inner wall of the cable tray body, and a sliding groove is formed on the retainer. A cable bundle slider is slidably installed in the sliding groove. A first bearing seat is slidably installed on the cable bundle slider, and a first wire roller is installed on the first bearing seat. A first protrusion is connected to the outer side of the middle part of the first bearing seat, and a first connecting rod is sleeved on the first protrusion. A second protrusion is sleeved on the end of the first connecting rod away from the first protrusion. The cable bundle is installed in a Z-shape between the first wire roller and the second wire roller, which increases the cable bundle arrangement range. The outer circumferences of the multiple first and second wire rollers are all circular with a large curvature, which will not cause damage to the cable bundle.

The invention discloses a crystallization process of famoxadone, and belongs to the technical field of crystallization processes. The crystallization process comprises the following steps: dissolving a famoxadone crude product in a solvent, and filtering to obtain a solution A; cooling the solution A to 0 DEG C; dropwise adding a solventing-out agent for solventing-out crystallization; after the solventing-out agent is dropwise added, performing suction filtration, washing and drying to obtain famoxadone; wherein the solventing-out agent is a mixed solution of normal hexane and benzene. The benzene is added into the n-hexane solventing-out agent in the prior art, so that the polarity of the solvent can be adjusted in a proper volume ratio range, the caking rate is reduced, impurities crystallized and separated out in the solvent can be dissolved, and the purity of famoxadone is improved.

The invention provides a control system for frost heaving and thaw collapse of a connecting channel in a soft soil area. A slurry discharge pipe fitting; a heating tape; the first digital pressure measuring valve is fixedly mounted on the grouting pipe fitting; the second digital pressure measuring valve is fixedly mounted on the slurry discharging pipe fitting; a grouting machine; a pulp pumping machine; and a controller. The heating belt serves as a heat source, it is guaranteed that slurry cannot be frozen at the initial stage of low-flow grouting, sufficient expansion of the bag is facilitated, hot slurry is continuously injected and discharged, the bag is always kept to have the heating function, a soil layer is heated, and after heating is conducted for a certain time, the soil layer near the bag is melted completely; and the bag is expanded by injecting hot slurry, so that melt collapse soil around the bag can be extruded, filled and supported, the melt collapse degree can be reduced, and the adverse effect of melt collapse on the stability of a foundation near the channel can be reduced.